US20150320444A1 - Apparatus Including a Cylindrical Body and a Nub - Google Patents
Apparatus Including a Cylindrical Body and a Nub Download PDFInfo
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- US20150320444A1 US20150320444A1 US14/691,220 US201514691220A US2015320444A1 US 20150320444 A1 US20150320444 A1 US 20150320444A1 US 201514691220 A US201514691220 A US 201514691220A US 2015320444 A1 US2015320444 A1 US 2015320444A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/42—Gynaecological or obstetrical instruments or methods
- A61B17/425—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation
- A61B17/43—Gynaecological or obstetrical instruments or methods for reproduction or fertilisation for artificial insemination
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D19/00—Instruments or methods for reproduction or fertilisation
- A61D19/02—Instruments or methods for reproduction or fertilisation for artificial insemination
- A61D19/027—Devices for injecting semen into animals, e.g. syringes, guns, probes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/3129—Syringe barrels
- A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
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- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An apparatus may include a plunger and a substantially cylindrical body. The substantially cylindrical body may include an end portion having rounded edges and may define a cavity sized to receive the plunger. The substantially cylindrical body may include at least one opening extending from the cavity to an external surface. The at least one opening may a substantially irregular shape. In some embodiments, the at least one opening may extend from the cavity through a nub to the external surface. The nub may have a rounded shape. In some embodiments, the substantially irregular shape may include one of a slit, an oval shape, an elliptical shape, an hourglass shape, a rectangular shape, and a diamond shape. In some embodiments, the opening may be part of a non-cylindrical fluid passage.
Description
- CROSS-REFERENCE TO RELATED APPLICATION(S)
- This application claims priority to and is a continuation-in-part application of co-pending U.S. patent application Ser. No. 14/272,368 filed on May 7, 2014 and entitled “Apparatus Including a Cylindrical Body and a Nub”, which is incorporated by reference herein in its entirety.
- The present disclosure is generally related to a fluid dispensing apparatus, and more particularly to an apparatus including a substantially cylindrical body and a nub, where the cylindrical body and the nub are rounded.
- Infertility is a common problem among couples. An evaluation by a doctor is often recommended after a period of time (such as one year) of unprotected intercourse without achieving conception. While it is sometimes possible to identify correctable issues that may be preventing conception, some couples pursue expensive medical solutions, such as in vitro fertilization at a fertility clinic.
- In an embodiment, an apparatus may include a substantially cylindrical body including an end portion having rounded edges and at least one opening. The apparatus further may include a nub extending from the end portion proximate to the at least one opening. The nub may include a substantially rounded end. In some embodiments, the opening may have an irregular shape, an oval or elliptical shape, an hour-glass shape, a diamond shape, or another shape. In some embodiments, the opening may define or couple to a non-cylindrical fluid passage.
- In still another embodiment, an apparatus may include a tubular element including a body portion and a distal end and including a substantially smooth surface having rounded edges. The apparatus further may include a nub having an opening. In some embodiments, the apparatus may further include one or more second openings distributed about the nub. In some embodiments, at least one of the opening and the one or more second openings may have an irregular shape. In some embodiments, the opening may be configured to diffuse a fluid dispelled through the opening.
- In some embodiments, an apparatus may include a tubular element including a body portion defining an internal cavity and including a distal end. The distal end may include a nub and an opening having a non-circular shape. The tubular element may include a substantially smooth exterior surface having rounded edges. The apparatus may further include a plunger configured to fit within the cavity.
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FIG. 1 is a perspective view of an apparatus including a syringe with a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 2 is a perspective view of an apparatus including a syringe with a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 3 is a cross-sectional view of an apparatus including a syringe with a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 4 is a cross-sectional view of an apparatus including a syringe and a sheath including a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 5 is a cross-sectional view of a sheath including a nub and a threaded attachment, in accordance with certain embodiments of the present disclosure. -
FIG. 6 is a cross-sectional view of a sheath including a nub and a threaded attachment, in accordance with certain embodiments of the present disclosure. -
FIG. 7 is a front view of a distal end of the sheath ofFIG. 6 , in accordance with certain embodiments of the present disclosure. -
FIG. 8 is a front view of a distal end of a sheath, similar to the sheath ofFIG. 6 , in accordance with certain embodiments of the present disclosure. -
FIG. 9 is a cross-sectional view of a sheath including a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 10 is a cross-sectional view of a sheath including a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 11 is a side view of an apparatus including a syringe and a cap including a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 12 is a cross-sectional view of the cap ofFIG. 11 including an attachment mechanism, in accordance with certain embodiments of the present disclosure. -
FIG. 13 is a cross-sectional view of the cap ofFIG. 11 including an attachment mechanism, in accordance with certain embodiments of the present disclosure. -
FIG. 14 is a side view of a cap configured to couple to a syringe, in accordance with certain embodiments of the present disclosure. -
FIG. 15 is a flow diagram of a method of forming a sheath configured to receive a syringe, in accordance with certain embodiments of the present disclosure. -
FIG. 16A is a side-view of a syringe including multiple openings, in accordance with certain embodiments of the present disclosure. -
FIG. 16B is a cross-sectional view of the syringe ofFIG. 16A taken along line A-A, in accordance with certain embodiments of the present disclosure. -
FIG. 17 is an exploded view and a perspective view of the syringe ofFIG. 16A , in accordance with certain embodiments of the present disclosure. -
FIG. 18A is a front view of the syringe ofFIG. 16A , in accordance with certain embodiments of the present disclosure. -
FIG. 18B is a perspective view of the syringe ofFIG. 16A , in accordance with certain embodiments of the present disclosure. -
FIG. 19A is a side view of a syringe including a nub, in accordance with certain embodiments of the present disclosure. -
FIG. 19B is cross-sectional view of the syringe ofFIG. 19A taken along line B-B, in accordance with certain embodiments of the present disclosure. -
FIG. 20A is a front view of the syringe ofFIG. 19A , in accordance with certain embodiments of the present disclosure. -
FIG. 20B is a perspective view of the syringe ofFIG. 19A , in accordance with certain embodiments of the present disclosure. -
FIGS. 21A-21D are front views of the syringe ofFIG. 19A , in accordance with certain embodiments of the present disclosure. -
FIGS. 22A-22D are front views of the syringe ofFIG. 19A , in accordance with certain embodiments of the present disclosure. - In the following discussion, the same reference numbers are used in the various embodiments to indicate the same or similar elements.
- Embodiments of an apparatus are disclosed below that include a substantially cylindrical body portion and a nub that extends from a distal end of the body portion. The cylindrical body portion may be a syringe, a sheath sized to receive a syringe, or cap configured to couple to a syringe. The nub may have a rounded shape, such as a hemispherical shape, a ring shape (with rounded edges), an elliptical shape (with rounded edges), a bulbous shape, or some other rounded shape. In some embodiments, the nub may have a diameter that is less than a cross-sectional diameter of the syringe. Further, the edges of the syringe, the sheath, the cap, or any combination thereof, may be rounded, presenting a smooth transition from the elongate body portion to the distal end. In some embodiments, portions of the syringe, portions of the cap, portions of the sheath, or any combination thereof may be formed from a first material, while other portions of the syringe, the sheath, the cap, the nub, or any combination thereof may be formed from a second material. In some embodiments, the second material may be more flexible or malleable than the first material.
- In some embodiments, the apparatus may be used for artificial insemination by filling a fluid canal of a barrel of the syringe with seminal fluid, and by inserting the apparatus into the vaginal canal to deliver seminal fluid through the vaginal canal to the cervix of the woman. The nub may provide tactile feedback to the woman by allowing her to feel when the distal end of the apparatus is touching the cervix. Further, the feedback provided by the nub may allow the woman to adjust the position of the apparatus relative to the cervix prior to depression of the plunger of the syringe to deliver of the seminal fluid. Embodiments of the apparatus are described below with respect to
FIGS. 1-13 . -
FIG. 1 is a perspective view of anapparatus 100 including asyringe 102 with anub 106 according to some embodiments. Thesyringe 102 may include a body having a proximal end with aflange 104 and may define a cavity sized to receive aplunger 110 to draw fluid into the cavity and to propel fluid through theopening 108. Theflange 104 may be used as leverage by a user when depressing theplunger 110. Further, the body of thesyringe 102 may include a distal end with thenub 106. The distal end of the body of thesyringe 102 may also include anopening 108 to allow fluid flow. In the illustrated example, theopening 108 extends through a corresponding opening in thenub 106; however, thenub 106 and theopening 108 may be offset from one another. In some embodiments, theopening 108 may be offset from a center of the distal end of thesyringe 102. In some embodiments, thenub 106 may be offset from the center of the distal end. In some embodiments, thenub 106 and theopening 108 may be offset from the center of the distal end. - In some embodiments, the body of the
syringe 102 may have a substantially cylindrical shape (or tubular shape) forming a fluid conduit and having rounded edges at the distal end. Further, thenub 106 may have a substantially semi-spherical shape and may extend outward from the distal end of thesyringe 102 proximate to alongitudinal axis 112 of thesyringe 102. In some embodiments, thenub 106 may have a diameter (D1) that is orthogonal to thelongitudinal axis 112 of thesyringe 102 and that is smaller than a diameter (D2) of the body of thesyringe 102. In some embodiments, the body of thesyringe 102 may be formed from a first material, and thenub 106 may be formed from a second material. In some embodiments, the body of thesyringe 102 and thenub 106 may be formed from a unitary piece of material (such as molded antibacterial plastic). - In some embodiments, a user may draw fluid into a cavity within the body of the
syringe 102 by pulling theplunger 110. The user may then insert thesyringe 102 into the vaginal cavity and depress theplunger 110 to dispense the fluid throughopening 108. Thenub 108 may provide feedback to the woman to allow her to feel the position of the distal end of thesyringe 102 against her cervix prior to dispensing the fluid. - In some embodiments, the rounded edges of the distal end of the body of the
syringe 102 and the rounded shape of thenub 108 provide a substantially smooth and relatively comfortable feel as compared to a standard syringe that has corners and a pointed (though needle-less) end. While a conventional syringe may have edges or corners that can be sharp or abrasive, thesyringe 102 and thenub 108 are rounded to provide smooth edges. - While the illustrated example of
FIG. 1 included a single opening that extends through thenub 108, it should be understood that the distal end of thesyringe 102 may include one or more openings to allow fluid passage to and from the cavity within the body of thesyringe 102 and the outside environment. One possible example of a syringe that may include multiple openings is described below with respect toFIG. 2 . -
FIG. 2 is a perspective view of anapparatus 200 including asyringe 202 with anub 106 according to some embodiments. Thesyringe 202 may include theflange 104 and may include a cavity sized to receive theplunger 110. Thesyringe 202 further may includemultiple openings 204 extending from the cavity to the outside environment. In the illustrated example, theopenings 204 are distributed about thenub 106 and are offset from thenub 106. In some embodiments,additional openings 204 or fewer openings may be provided. In some embodiments, theopenings 204 may be distributed circumferentially along the sidewalls of the body of thesyringe 202 near the distal end. Further, in some embodiments, theopenings 204 may align with corresponding openings that extend through thenub 106. - In the illustrated examples of
FIGS. 1 and 2 , thesyringe nub 106 may be formed from a second material, that may also have anti-bacterial and anti-microbial properties, but that may be more elastic or malleable than the first material. Additionally, in some embodiments, thenub 106 may be attached to or coupled to thesyringe nub 106 may be integrally formed with thesyringe syringe 202 having an integrally formednub 106 and including theopening 108 is described below with respect toFIG. 3 . -
FIG. 3 is a cross-sectional view of anapparatus 300 including asyringe 202 with anub 106 according to some embodiments. Thesyringe 202 may include a body portion that defines acavity 308 that extends from a proximal end, which may include theflange 104, to a distal end, which may includeopenings 204, and thenub 106. Additionally, in some embodiments, thenub 106 also may include anopening 108. Theopenings syringe 202 to permit fluid flow between afluid area 310 and the environment. - The
apparatus 300 further may include theplunger 110 including arod portion 302 and anend portion 304. A gasket or seal 306 may be coupled to theend portion 304 to provide a fluid seal to prevent fluid flow from thefluid area 310 toward thebody portion 302 and to draw fluid through theopenings fluid area 310 or to drive fluid from thefluid area 310 through theopenings - In some embodiments, the
nub 106 may be part of the distal end of the body of thesyringe 202. In some embodiments, thenub 106 may omit theopening 108 and theopenings 204 may be included. In some embodiments, theopenings 204 may be omitted and theopening 108 may be included. - In some embodiments, an outer sheath or covering may be provided that may be adapted to cover a needle-less syringe. The outer sheath may be configured to receive the syringe and to provide a rounded distal end and a nub. An example of an apparatus including a sheath is described below with respect to
FIGS. 4-10 according to some embodiments. -
FIG. 4 is a cross-sectional view of anapparatus 400 including asyringe 402 and asheath 405 including anub 406 according to some embodiments. Thesyringe 402 may include a body portion defining thecavity 308 sized to receive aplunger 110 having a rod portion and anend portion 304 that is coupled to a gasket orseal 306. Thesyringe 402 may further include aflange 404, ahub portion 412, and anose portion 414. Thenose portion 414 may define an opening for fluid passage from afluid area 410 and the external environment. - The
sheath 405 may include astop portion 422 configured to contact the hub portion 212 of thesyringe 402 to seat thesyringe 402 within thesheath 405. The sheath may be a substantially cylindrical (or tubular member) defining a cavity sized to receive thesyringe 402. Thesheath 405 may also include anopening 416 configured to receive theneck portion 414 of thesyringe 402. Thesheath 405 may further may include anub 406 that extends outward from a distal end of thesheath 405. Thenub 406 may have a rounded, substantially hemispherical, ring, elliptical, or other rounded shape that may partially define theopening 416 that is configured to align with acorresponding opening 108 through theneck portion 414 to allow fluid passage. - In some embodiments, the
sheath 405 may be formed from a first material, and thesyringe 402 may be formed from a second material. The first material may be more elastic, more malleable, softer, or any combination thereof relative to the second material. In some embodiments, thesheath 405 may have a substantially cylindrical shape without edges and may define an opening on a proximal end that is sized to receive asyringe 402. Thesheath 405 may include one or more openings configured to align with an opening on the syringe. Further, in some embodiments, the surface of thesheath 405 may have some texture or uneven areas. Additionally, in some embodiments, thesheath 405 may include an attachment element, such as threads to mate with corresponding threads on an outer surface of a syringe, a flange element configured to mate with a corresponding recess on the syringe, some other attachment structure, or any combination thereof. An example of a sheath that may include an attachment structure is described below with respect toFIG. 5 . -
FIG. 5 is across-sectional view 500 of asheath 505 including anub 406 and a threadedattachment 502 according to some embodiments. Thesheath 505 may define acavity 504 sized to receive a syringe and may include anopening 508 configured to align to acorresponding opening 408 of a syringe. Thesheath 505 further may include anattachment feature 502. In the illustrated example, theattachment feature 502 may be threads configured to fit corresponding threads on an exterior surface of the syringe. The user may turn the syringe within thecavity 504 in order to secure thesheath 505 to the syringe. - In some embodiments, the size of the
opening 416 may be sufficiently narrow to apply a hoop stress on theneck portion 414 of thesyringe 402 to secure thesheath 505 to the syringe. In some embodiments, an extension on an inner surface of thesheath 505 may be configured to mate with a corresponding recess on an exterior surface of the syringe to secure thesheath 505 to the syringe. - In some embodiments, the
sheath 505 may be formed from a medical grade silicone. In some embodiments, thesheath 505 may be formed from a medical device material, such as a polymer designed to support medical applications and to maintain its material properties even after sterilization. In some embodiments, thesheath 505 may be formed from a flexible, substantially malleable material that may be of a different material from that of the syringe. -
FIG. 6 is across-sectional view 600 of asheath 605 including anub 406 and a threadedattachment 502 according to some embodiments. Thesheath 605 defines acavity 504 sized to receive a syringe and may include a threadedfeature 502 configured to mate with a corresponding feature on an outside surface of the syringe to secure the syringe within thesheath 605. Thesheath 605 may include anub 406 that extends from adistal end 602 of thesheath 605. Thesheath 605 may includeopenings 204 about a periphery of thenub 406. -
FIG. 7 is afront view 700 of adistal end 602 of thesheath 605 ofFIG. 6 according to some embodiments. Thedistal end 602 may includeopenings 204 andnub 406. While theopenings 204 are distributed around thenub 406 of thedistal end 602 approximately midway between thenub 406 and the peripheral edge of thedistal end 602, in some embodiments, theopenings 204 may be positioned closer to the peripheral edge or closer to thenub 406. Further, in some embodiments, additional openings or fewer openings may be provided. One possible example of a distal end that may include an additional opening is described below with respect toFIG. 8 . -
FIG. 8 is afront view 800 of adistal end 602 of a sheath, similar to thesheath 605 ofFIG. 6 , according to some embodiments. Thefront view 800 may include theopening 108 that extends through a center of thenub 406 in addition to theopenings 204. - In some embodiments, the
nub 406 may be positioned at approximately a center of thedistal end 602. In some embodiments, thenub 406 may be offset from a center of thedistal end 602. Theopening 108 may be aligned to a longitudinal axis of a syringe. -
FIG. 9 is across-sectional view 900 of asheath 905 including anub 406 according to some embodiments. Thesheath 905 may include multiple layers including anouter layer 902 and aninner layer 904. Thesheath 905 may define anopening 504 sized to receive a syringe. Theouter layer 902 may include thenub 406. In some embodiments, theinner layer 904 and theouter layer 902 may cooperate to form thenub 406. In some embodiments, theinner layer 904 may be formed from a first material and theouter layer 902 may be formed form a second material. In some embodiments, the first material may be more rigid than the second material. - While the illustrated example of
FIG. 9 depicts the inner layer extending from the opening of the proximal end along its entire length to the opening of thedistal end 602, in some embodiments, the inner layer may extend only a portion of the length of thesheath 905. One possible example of a sheath having an inner layer that extends for only a portion of the length of the sheath is described below with respect toFIG. 10 . -
FIG. 10 is across-sectional view 1000 of asheath 1005 including anub 406 according to some embodiments. Thesheath 1005 may include multiple layers including afirst layer 1002 that extends about an entire periphery of thesheath 1005. Thesheath 1005 may further include aninner layer 1004 that extends over a portion of an interior surface of thesheath 1005. In some embodiments, theinner layer 1004 may extend over thestop portion 422 of thesheath 1005, providing a relatively rigid seat against which the syringe may be positioned without over-stressing thedistal end 602 of thesheath 1005. - In some embodiments, the
nub 406 may include an opening that extends therethrough, and thenub 406 may be positioned at approximately a center of thedistal end 602. In some embodiments, thenub 406 may be offset from a center axis of thesheath 1005. In some embodiments, thenub 406 may extend at least partially over theopening 108 to prevent the fluid from dispensing in a direct stream out of theopening 108, and dispersing the fluid over a larger spray area than a fluid stream would otherwise provide. - While the embodiments described above included a syringe with a nub and a sheath with a nub, in some embodiments, the nub may be provided on a cap configured to fit onto a distal end of a syringe. Examples of such embodiments are described below with respect to
FIGS. 11-14 . -
FIG. 11 is a side view of anapparatus 1100 including asyringe 102 and acap 1102 including anub 1106 according to some embodiments. Thesyringe 102 may include theplunger 110 and theflange 104. Thesyringe 102 may further include ahub portion 412 and aneck portion 1110 that extends from thehub portion 412 and through which theopening 108 may extend. Thesyringe 104 may further include anattachment feature 1104 configured to mate with a corresponding attachment feature of thecap 1102. - In some embodiments, the
cap 1102 may be a substantially cylindrical shape (or tubular shape) having a rounded end that may include anub 1106 and anopening 1108 that extends through thecap 1102. Thecap 1102 may include an attachment feature on an interior surface of thecap 1102 that may be configured to couple to theattachment feature 1104 on thesyringe 102 to secure thecap 1102 to thesyringe 102. In some embodiments, thecap 1102 may include anopening 1108 configured to align to theopening 108 of theneck 1110 of thesyringe 102. -
FIG. 12 is across-sectional view 1200 of thecap 1102 ofFIG. 11 including anattachment mechanism 1202 according to some embodiments. Theattachment mechanism 1202 may be configured to mate with acorresponding recess 1104 of thesyringe 102 in a manner that may be similar to a pen cap coupling to a pen. In some embodiments, theattachment feature 1202 may be a flange or other structure that extends from an inner surface of thecap 1102. In some embodiments, theattachment feature 1202 may extend about an entire inner circumference of thecap 1102. In some embodiments, theattachment feature 1202 may extend about a portion of the inner circumference of thecap 1102. -
FIG. 13 is across-sectional view 1300 of thecap 1102 ofFIG. 11 including anattachment mechanism 1302 according to some embodiments. In some embodiments, theattachment mechanism 1302 may be located at a stop portion of thecap 1102. In some embodiments, theattachment mechanism 1302 may be located within anopening 1108 of thecap 1102. Theattachment mechanism 1302 may be a threaded portion configured to mate with a corresponding threaded portion of a syringe to secure thecap 1102 to the syringe. - While the
cap 1102 depicted inFIGS. 11-13 may include theopening 1108 located at a center of the rounded end of thecap 1102, it should be appreciated that, in some embodiments, theopening 1108 may be offset from a center axis of thecap 1102. In some embodiments, thecap 1102 may include multiple openings as described below with respect toFIG. 14 . -
FIG. 14 is aside view 1400 of acap 1102 configured to couple to a syringe according to some embodiments. Thecap 1102 may include anub 1106 and anopening 1108 that extends through thenub 1106. Additionally, thecap 1102 may includemultiple openings 1402, which may be arranged circumferentially about thenub 1106. Within thecap 1102, theopenings 1402 may be coupled to anopening 108 of the syringe by conduits extending from theopening 108 to theopenings 1402. -
FIG. 15 is a flow diagram of amethod 1500 of forming a sheath configured to receive a syringe according to some embodiments. At 1502, an apparatus may be formed that may include an open proximal end and a distal end including a rounded nub and that may include a cavity extending from the proximal end to the distal end. Advancing to 1504, at least one opening is formed that extends from the cavity through the distal end. Continuing to 1506, an attachment feature may be optionally machined on a surface of the apparatus configured to mate with a corresponding attachment feature of another component. In some embodiments, the apparatus may be a syringe having a nub, and the attachment feature may include a recess configured to mate with a flange or ridge on an interior surface of a cap or sheath (the other component) that also may include a nub. In some embodiments, the apparatus may be a sheath or cap that is configured to couple to a corresponding attachment feature on a syringe. In some embodiments, the sheath and the syringe may include a nub. In some embodiments, the sheath may include a nub, and the syringe may include a neck portion that extends at least partially toward the nub. -
FIG. 16A is a side-view of asyringe 1600 including multiple openings, in accordance with certain embodiments of the present disclosure. Thesyringe 1600 may include abody portion 1602 having aflange 1604. Thebody portion 1602 may define a cavity sized to receive arode portion 1606 of aplunger 1608. Thebody portion 1602 may further include one ormore openings 1610 at a distal end opposite theflange 1604. The one ormore openings 1610 may extend from an exterior surface through the distal end of the body portion and into the internal cavity. In some embodiments, the number, the spacing, the shape, and the interior dimensions of theopenings 1610 may vary to provide a desired diffusion for fluid disbursed through theopenings 1610. -
FIG. 16B is across-sectional view 1620 of thesyringe 1600 ofFIG. 16A taken along line A-A, in accordance with certain embodiments of the present disclosure. Thesyringe 1600 further includes aseal 1622 configured to fit over a tip of therod portion 1606 of theplunger 1608 to form a fluid seal against the interior surface of the cavity of thebody portion 1602 in order to push fluid toward and through theopenings 1610. In the cross-sectional view, acentral opening 1624 is shown, which may be formed at a substantially central position in the distal end of the body portion 1602 (opposite end from the flange 1604). -
FIG. 17 is an explodedview 1700 and aperspective view 1720 of thesyringe 1600 ofFIG. 16A , in accordance with certain embodiments of the present disclosure. The explodedview 1700 includes theseal 1622. Further, the explodedview 1700 includes therod portion 1606 of theplunger 1608. Therod portion 1606 includes anend 1702 sized to fit into an opening of theseal 1622. Therod portion 1606 may further include aflange portion 1702 sized to engage an interior surface of theseal 1622 and may further include astopper portion 1704 configured to engage a portion of theseal 1622 to prevent over stressing. In some embodiments, theseal 1622 may be installed onto theend 1702 and may be pushed over theflange portion 1702 to engage thestopper portion 1704. Theflange portion 1702 may engage an interior portion of theseal 1622 to secure theseal 1622 to therod portion 1606. -
FIG. 18A is afront view 1800 of thesyringe 1600 ofFIG. 16A , in accordance with certain embodiments of the present disclosure. Thefront view 1800 depicts theplunger 1608, theflange 1604, and thebody portion 1602. Thebody portion 1602 includes theopenings 1610 and thecentral opening 1624. In the illustrated example, theopenings openings 1610 may be a different size and shape as compared to thecentral opening 1624. In some embodiments, instead of being arranged in a circular formation around thecentral opening 1624, theopenings 1624 may be arranged in a different configuration. -
FIG. 18B is aperspective view 1820 of thesyringe 1600 ofFIG. 16A , in accordance with certain embodiments of the present disclosure. Theperspective view 1820 includes theopenings body portion 1602 opposite to theflange 1604. -
FIG. 19A is a side view of asyringe 1900 including anub 106, in accordance with certain embodiments of the present disclosure. Thesyringe 1900 may include abody portion 1902 having aflange 1904. Thesyringe 1900 may further include aplunger 1908 having arod portion 1906, which may have an end to which aseal 1922 may be coupled. Thesyringe 1900 may include an opening that may extend from an exterior surface of thenub 106 into the interior cavity defined by thebody portion 1902. - In some embodiments, the opening through the
nub 106 may have a substantially irregular shape, which may diffuse or otherwise distribute fluid as it passes through the opening. Examples of such irregular shapes may be described below with respect toFIGS. 20A-22B . As used herein, the term “irregular shape” refers to a shape other than a circle or square shape. -
FIG. 19B iscross-sectional view 1920 of thesyringe 1900 ofFIG. 19A taken along line B-B, in accordance with certain embodiments of the present disclosure. Thecross-sectional view 1920 depicts acavity 1924 within thebody portion 1902. Thecavity 1924 may hold fluid to be disseminated through theopening 1926, which may extend from thecavity 1924 through thenub 106. - As discussed above, in some embodiments, the
body portion 1902 may include a plurality of openings. In some embodiments, theopening 1926 may have a substantially irregular shape. Further, in some embodiments, theopening 1926 may define a fluid passage having an irregular internal shape. Examples of the irregular shapedopening 1926 may be described below with respect toFIGS. 20A-21D . -
FIG. 20A is afront view 2000 of thesyringe 1900 ofFIG. 19A , in accordance with certain embodiments of the present disclosure. Thefront view 2000 includes thebody portion 1902, theflange 1904, theplunger 1908 and thenub 106. In the illustrated embodiment, theopening 1926 may be implemented as a rounded rectangular shape, an elliptical shape, an oval shape, or another non-circular shape. Theopening 1926 may extend from the cavity within thebody portion 1902 through thenub 106. Other openings may also be provided (either through or around the nub 106). -
FIG. 20B is aperspective view 2020 of thesyringe 1900 ofFIG. 19A , in accordance with certain embodiments of the present disclosure. Theperspective view 2020 depicts theopening 1926 having a substantially elliptical, oval or oblong shape, which may provide a diffused fluid dispersion pattern as compared to a high pressure stream that might be produced by a small circular opening. -
FIGS. 21A-21D are front views of the syringe ofFIG. 19A , in accordance with certain embodiments of the present disclosure. Referring now toFIG. 21A , afront view 2100 of thesyringe 1900 ofFIG. 19A is shown. Thefront view 2100 includes thebody portion 1902, theflange 1904, theplunger 1908 and thenub 106. Thenub 106 may include anopening 2102 having an irregular shape, such as a barbell type of shape or another shape. -
FIG. 21B depicts afront view 2120 of thesyringe 1900 ofFIG. 19A including anopening 2122 having an irregular shape that is substantially rectangular-shaped. In some embodiments, the rectangular-shapedopening 2122 may provide a non-uniform dispersal of fluid. -
FIG. 21C depicts afront view 2140 of thesyringe 1900 ofFIG. 19A including anopening 2142 having an irregular shape that is substantially hourglass-shaped. In some embodiments, the hourglass-shapedopening 2142 may provide a non-uniform dispersal of fluid. -
FIG. 21D depicts afront view 2160 of thesyringe 1900 ofFIG. 19A including anopening 2162 having an irregular shape that is substantially diamond-shaped. In some embodiments, the diamond-shapedopening 2162 may provide a non-uniform dispersal of fluid. -
FIG. 22A is across-sectional view 2200 of thesyringe 1900 ofFIG. 19A including anopening 2204. In some embodiments, theopening 2204 may define a cylindrically-shaped fluid passage extending from the cavity within thebody portion 1902 through thenub 106. Thecross-sectional view 2200 further depicts therod portion 1906 of theplunger 1908 extending within the cavity of thebody portion 1902. Further, therod portion 1906 may include anend portion 2222, aflange portion 2224, and astop portion 2226. Further, aseal 2202 may be coupled to theend portion 2222 and may be configured to provide a fluid seal extending a full internal diameter of the cavity to push fluid toward the opening as theplunger 1908 is pushed toward the distal end of thebody portion 1902. -
FIG. 22B is across-sectional view 2220 of a portion of thesyringe 1900 including theopening 2204 having a substantially cylindrical fluid passage that extends from an external surface of thenub 106 to a cavity defined by the hub portion of thesyringe 1900. In the illustrated example, therod portion 1906 is fully inserted within the cavity such that theseal 2202 is in contact with the interior surface of the distal end of thebody portion 1902. -
FIG. 22C is across-sectional view 2240 of a portion of thesyringe 1900 including anopening 2242 defining a fluid passage having a varying internal diameter. In the illustrated example, the varying internal diameter may form a Venturi tube type of passage having a narrow portion toward the middle of the passage and a wider portion at the opening to provide reduced pressure and increased dispersion. -
FIG. 22D is across-sectional view 2260 of a portion of thesyringe 1900 including anopening 2262 defining a fluid passage. Within theopening 2262, thesyringe 1900 may include anobstruction element 2264 configured to diffuse or otherwise disperse fluid that may be pushed through theopening 2262 by theplunger 1908 via therod portion 1906 and theseal 2202. - In some embodiments, the shape of the opening, the shape of the fluid passage, or any combination thereof may be selected to provide a desired fluid dispersion at a distal end of the syringe. In some embodiments, the external diameter and length of the syringe may be selected to provide a suitable insertion vessel through which the fluid may be presented. For in vitro fertilization, for example, the vagina extends from the vulva to the uterus, and the length of the vagina may vary from about 2.75 inches to about 4.75 inches. Accordingly, the length of the syringe may be selected to be a suitable length for a particular woman. For in vitro fertilization purposes, the body portion of the syringe (from the distal end to the flange) may be approximately 2.75 to 3 inches in length. Other lengths may also be possible.
- In conjunction with
FIGS. 1-22D , an apparatus is described that may include a sheath or body portion having a distal end having a rounded nub and at least one opening. In some embodiments, the at least one opening may include a non-circular or irregular shaped opening, such as a slit, an hourglass shape, a barbell shape, a diamond shape, another shape, or any combination thereof. The distal end of the apparatus may be rounded to present a blunt or “edgeless” end presenting a substantially smooth transition from an elongate portion to a distal portion of the apparatus. In some embodiments, the apparatus may be used for home-based artificial insemination, such as by insertion of the apparatus into the vagina of a woman until the nub contacts the woman's cervix. The plunger may then be depressed to expel seminal fluid onto the cervix through the opening to provide artificial insemination. - In some embodiments, the apparatus may include a syringe having a substantially tubular shape and having a substantially rounded distal end. The syringe may further include a rounded nub extending from the distal end proximate to a longitudinal axis of the syringe. In some embodiments, the rounded nub may include the opening to allow fluid to pass therethrough. In some embodiments, the distal end may include a plurality of openings to allow fluid passage. In some embodiments, the opening or openings in the rounded nub, the other openings at the distal end, or any combination thereof may have a non-circular or irregular shapes to diffuse the fluid as it passes through the one or more openings.
- In some embodiments, the apparatus may include a syringe and a sheath having a cavity sized to receive the syringe. The sheath may include one or more openings on a distal end that are configured to align with (or mate with) a fluid opening of the syringe. In some embodiments, the sheath may include an attachment feature configured to mate with a corresponding feature on the syringe. In an example, the attachment feature may include threads configured to mate with corresponding threads of the syringe to secure the syringe within the sheath. In another example, the attachment mechanism may include a raised edge on one of an interior surface of the sheath and an exterior surface of the syringe that is configured to mate with a corresponding recess on the other of the exterior surface of the syringe and the interior surface of the sheath. Further, in some embodiments, at least a portion of the sheath may be formed from a first material, and at least a portion of the syringe may be formed from a second material. In some embodiments, the first material may be more flexible or malleable than the second material.
- In some embodiments, a cap or partial sheath may be configured to mate with a syringe to provide a rounded end having a nub and including one or more openings for fluid passage. In some embodiments, the nub may be rounded and may include an opening configured to align to an opening of the syringe to allow fluid from the syringe to pass therethrough. The opening of the cap or partial sheath may be irregular in shape (e.g., oval, elliptical, hourglass shaped, barbell shaped, rectangular shaped, or some other shape). In some embodiments, the cap or partial sheath may include an attachment feature configured to mate with a corresponding feature of the syringe to secure the cap or partial sheath to the syringe. In some embodiments, the syringe may be formed from a first material, and the cap or partial sheath may be formed from a second material. The first material may be more rigid than the second material.
- Although the present invention has been described with reference to preferred embodiments, workers skilled in the art will recognize that changes may be made in form and detail without departing from the scope of the invention.
Claims (19)
1. An apparatus comprising:
a plunger; and
a substantially cylindrical body including an end portion having rounded edges and defining a cavity sized to receive the plunger, the substantially cylindrical body including at least one opening extending from the cavity to an external surface, the at least one opening having a substantially irregular shape.
2. The apparatus of claim 1 , wherein the substantially irregular shape comprises at least one of a slit, an oval shape, an elliptical shape, an hourglass shape, a rectangular shape, and a diamond shape.
3. The apparatus of claim 1 , further comprising a nub extending from the end portion proximate to the at least one opening, the nub having a substantially rounded end.
4. The apparatus of claim 1 , further comprising a nub extending from the end portion and having a substantially rounded end, the nub including the at least one opening extending therethrough.
5. The apparatus of claim 1 , wherein the substantially cylindrical and the nub may be formed from a unitary material.
6. The apparatus of claim 1 , further comprising the substantially cylindrical body including a fastener element configured to mate to a corresponding feature of a cap.
7. The apparatus of claim 1 , wherein the substantially cylindrical body comprises a syringe.
8. An apparatus comprising:
a cylindrical body having a proximal end, a distal end and an elongate portion extending therebetween, the distal end having a rounded corner relative to the elongate portion to form a substantially smooth transition from the elongate portion to the distal end, the distal end further including an opening having a substantially irregular shape; and
a nub coupled to and extending from the distal end proximate to the opening, the nub having a rounded end.
9. The apparatus of claim 8 , wherein the substantially irregular shape comprises at least one of a slit, an oval shape, an elliptical shape, an hourglass shape, a rectangular shape, and a diamond shape.
10. The apparatus of claim 8 , wherein the nub comprises at least one of a substantially hemispherical shape, a substantially annular shape, and a substantially elliptical shape.
11. The apparatus of claim 8 , wherein the nub includes an opening configured to align with the opening of the distal end.
12. The apparatus of claim 11 , further comprising a fluid passage configured to couple an internal cavity of the cylindical body to the opening of the nub.
13. The apparatus of claim 12 , wherein the fluid passage comprises a non-cylindrical shape.
14. The apparatus of claim 8 , further comprising a plurality of second openings extending through the distal end of the cylindrical body.
15. The apparatus of claim 8 , wherein the cylindrical body includes an attachment element configured to mate with a corresponding attachment feature of a cap to secure the cylindrical body to the cap.
16. An apparatus comprising:
a tubular element including a body portion defining an internal cavity and including a distal end, the distal end including a nub and an opening having a non-circular shape, the tubular element including a substantially smooth exterior surface having rounded edges; and
a plunger configured to fit within the cavity.
18. The apparatus of claim 16 , further comprising an attachment element on the tubular element, the attachment element configured to mate with a corresponding attachment feature of a cap.
19. The apparatus of claim 16 , wherein the non-circular shape comprises at least one of a slit, an oval shape, an elliptical shape, an hourglass shape, a rectangular shape, and a diamond shape.
20. The apparatus of claim 16 , wherein the tubular element comprises a syringe.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/691,220 US20150320444A1 (en) | 2014-05-07 | 2015-04-20 | Apparatus Including a Cylindrical Body and a Nub |
PCT/US2015/029310 WO2015171655A1 (en) | 2014-05-07 | 2015-05-05 | Apparatus including a cylindrical body and a nub |
US29/666,538 USD903859S1 (en) | 2014-05-07 | 2018-10-13 | Insemination syringe |
US16/267,254 US11350967B2 (en) | 2014-05-07 | 2019-02-04 | Apparatus including a cylindrical body and a nub |
US17/834,481 US20230056164A1 (en) | 2014-05-07 | 2022-06-07 | Apparatus including a cylindrical body and nub |
Applications Claiming Priority (2)
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US14/272,368 US10231755B2 (en) | 2014-05-07 | 2014-05-07 | Apparatus including a cylindrical body and a nub |
US14/691,220 US20150320444A1 (en) | 2014-05-07 | 2015-04-20 | Apparatus Including a Cylindrical Body and a Nub |
Related Parent Applications (1)
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US14/272,368 Continuation-In-Part US10231755B2 (en) | 2014-05-07 | 2014-05-07 | Apparatus including a cylindrical body and a nub |
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US29/666,538 Continuation-In-Part USD903859S1 (en) | 2014-05-07 | 2018-10-13 | Insemination syringe |
US16/267,254 Continuation-In-Part US11350967B2 (en) | 2014-05-07 | 2019-02-04 | Apparatus including a cylindrical body and a nub |
Publications (1)
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US20150320444A1 true US20150320444A1 (en) | 2015-11-12 |
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US14/691,220 Abandoned US20150320444A1 (en) | 2014-05-07 | 2015-04-20 | Apparatus Including a Cylindrical Body and a Nub |
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US (2) | US10231755B2 (en) |
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CN109350833A (en) * | 2018-11-23 | 2019-02-19 | 王倩倩 | A kind of gynecopathy therapeutic cartridge syringe |
US11931075B2 (en) | 2021-11-15 | 2024-03-19 | PherDal, LLC | Fertility kits with sterile syringes and collection jars, method of sterilization and use |
US20230225764A1 (en) * | 2022-01-15 | 2023-07-20 | Ryoko Kai | Device for supporting insemination |
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Also Published As
Publication number | Publication date |
---|---|
US20150320443A1 (en) | 2015-11-12 |
WO2015171655A1 (en) | 2015-11-12 |
US10231755B2 (en) | 2019-03-19 |
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