CN202665704U - Epidural space puncture positioning indicator - Google Patents
Epidural space puncture positioning indicator Download PDFInfo
- Publication number
- CN202665704U CN202665704U CN2012203180407U CN201220318040U CN202665704U CN 202665704 U CN202665704 U CN 202665704U CN 2012203180407 U CN2012203180407 U CN 2012203180407U CN 201220318040 U CN201220318040 U CN 201220318040U CN 202665704 U CN202665704 U CN 202665704U
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- closing member
- nook closing
- puncture
- fruit
- needle
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Abstract
The utility model relates to the technical field of epidural space puncture positioning, in particular to an epidural space puncture positioning indicator. The indicator comprises a needle core and a needle core pedicel, wherein the needle core is a hollow pipe with a pipe cavity penetrating the needle core, the upper end of the needle core is connected with the needle core pedicel provided with a hollow cavity, and the lower end of the needle core pedicel is connected with an observation pipe made of transparent materials. A proper amount of liquid is filled in an observation cavity of the observation pipe to form a liquid column, when the puncture needle reaches the epidural space, because negative pressure exists in the epidural space, the liquid column moves under the action of pressure difference, so that a user knows the puncture needle has reached the epidural space and stops the insertion of the puncture needle. Therefore, by using the positioning indictor, the user is unnecessary to repeatedly draw out the needle core to connect a wave duct or syringe for repeated test positioning, the operational complexity is lowered, the puncturing efficiency is improved, the puncturing errors are reduced, and for beginners, the effect is obvious. Simultaneously, during the insertion of the puncture needle, the user can synchronously judge whether the puncture needle reaches the epidural space, so the puncturing accuracy is improved.
Description
Technical field
This utility model relates to the epidural puncture technical field, refers to especially a kind of cavum epidural puncture register guide that cooperates puncture needle to use.
Background technology
Nowadays, extradural nerve block anesthesia is the anesthesia of often using, and a very important step is that anesthesia spinal needle is punctured to epidural space accurately in this anesthesia.If the puncture needle inserting needle is too shallow, then cause anaesthetizing unsuccessfully, excessively dark such as inserting needle, then might patient's Spinal Cord be worked the mischief.And in order to make inserting needle more accurate, anaesthetize in recent years medical worker and proposed air vesicle indication according to a large amount of clinical researches, the location such as pressure measuring alarm method indicating means, but there is open defect in these methods, and practical operation is difficulty relatively.
China Patent Publication No. is CN2244917Y, the patent document of " anesthesia spinal needle " by name discloses a kind of anesthesia spinal needle, include needle body and be used for preventing the solid nook closing member that needle tubing stops up, in actual mechanical process, in order to realize accurate location, in the puncture procedure, puncture needle is extracted nook closing member out after advancing certain distance, connect wave duct again or syringe positions test, as arriving, then need to insert again and repeat again above operation after nook closing member continues to advance a segment distance.Although the method can realize judging puncture needle and whether arrive epidural space, connect again repeatedly test position fix of wave duct or syringe owing to need to repeatedly extract nook closing member out, operating process is loaded down with trivial details, easily causes error.Simultaneously owing to failing in the inserting needle process, to judge whether puncture needle has arrived epidural space synchronously, thus the last time in the inserting needle process inserting needle excessively dark, defective is obvious.
Summary of the invention
The technical problems to be solved in the utility model provides the cavum epidural puncture register guide, connect again repeatedly test position fix of wave duct or syringe so that need not repeatedly to extract out nook closing member in the piercing process, can realize in the inserting needle process, judging whether puncture needle has arrived epidural space synchronously simultaneously.
For solving the problems of the technologies described above, this utility model adopts following technical scheme: the cavum epidural puncture register guide, include nook closing member and the nook closing member base of a fruit, described nook closing member is the hollow pipe that is provided with the tube chamber that connects nook closing member, described nook closing member upper end is connected with the nook closing member base of a fruit that offers cavity, the upper end of the described nook closing member base of a fruit is connected with the observing tube of being made by transparent material, described observing tube offers the observation chamber that connects observing tube, and the cavity of the tube chamber of described nook closing member, the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively.
Preferably, the described nook closing member base of a fruit and observing tube are one-body molded.
Wherein, the outer wall of described observing tube is provided with anti-slip veins.
Wherein, the chamber wall of the observation chamber of described observing tube is provided with the anti-flow liner that prevents that liquid from flowing voluntarily.
Wherein, the bottom of the described nook closing member base of a fruit is provided with the annular groove that mates with the puncture needle tubing base of a fruit.
Wherein, the length of described observing tube is 2cm～5cm.
Wherein, described observing tube upper end sidewall offers passage, and described passage is communicated with observation chamber.
Wherein, the external diameter of the internal diameter of the upper end of described observing tube and syringe union joint is complementary.
Wherein, the lower end of described nook closing member offers two or more through hole.
The beneficial effects of the utility model are: this utility model provides a kind of cavum epidural puncture register guide that cooperates puncture needle to use, include nook closing member and the nook closing member base of a fruit, described nook closing member is the hollow pipe that is provided with the tube chamber that connects nook closing member, described nook closing member upper end is connected with the nook closing member base of a fruit that offers cavity, the upper end of the described nook closing member base of a fruit is connected with the observing tube of being made by transparent material, described observing tube offers the observation chamber that connects observing tube, and the cavity of the tube chamber of described nook closing member, the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively.Appropriate amount of fluid is injected to the observation chamber of observing tube by elder generation during use, such as normal saline, liquid since capillary act in the observation chamber form one section can be for the fluid column of observing, simultaneously nook closing member is inserted in the puncture needle tubing, puncture needle is thrust the subcutaneous slow propelling of human body, when puncture needle arrives epidural space, because there is negative pressure in epidural space, simultaneously because nook closing member is hollow, the tube chamber of nook closing member, the cavity of the nook closing member base of a fruit and the observation chamber of observing tube are communicated with successively, so fluid column can move under the effect of pressure differential, can significantly observe the movement of fluid column on observing tube, just can know that puncture needle has arrived epidural space this moment, and operator stop inserting needle immediately.Therefore this register guide need not repeatedly to extract out nook closing member and connects repeatedly test position fix of wave duct or syringe again in piercing process, and the complexity of reduction operation improves puncture efficient and reduces error, and effect is more remarkable concerning the abecedarian.Simultaneously can realize in the inserting needle process, judging whether puncture needle has arrived epidural space synchronously, improve the order of accuarcy of puncture.
Description of drawings
Fig. 1 is the cross-sectional view of this utility model embodiment one.
Fig. 2 is the cross-sectional view of this utility model embodiment one when using in conjunction with syringe.
Fig. 3 is the cross-sectional view of this utility model embodiment two when using in conjunction with syringe.
Cross-sectional view when Fig. 4 is this utility model embodiment two cooperation puncture needles use.
Cross-sectional view when Fig. 5 is this utility model embodiment three cooperation puncture needles use.
Cross-sectional view when Fig. 6 is this utility model embodiment four cooperation puncture needles use.
Cross-sectional view when Fig. 7 is this utility model embodiment five cooperation puncture needles use.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing this utility model is further described, the content that embodiment is mentioned not is to restriction of the present utility model.
Be the embodiment one of cavum epidural puncture register guide described in the utility model as depicted in figs. 1 and 2, include nook closing member 1 and the nook closing member base of a fruit 2, described nook closing member 1 is for being provided with the hollow pipe of the tube chamber 3 that connects nook closing member 1, described nook closing member 1 upper end is connected with the nook closing member base of a fruit 2 that offers cavity 4, the lower end of the described nook closing member base of a fruit 2 is connected with the observing tube 5 of being made by transparent material, described observing tube 5 offers the observation chamber 6 that connects observing tube 5, and the observation chamber 6 of the tube chamber 3 of described nook closing member 1, the cavity 4 of the nook closing member base of a fruit 2 and observing tube 5 is communicated with successively.
Whether unobstructed well and airtight good detect first this register guide during use, can adopt following methods, as detecting with syringe gas injection or fluid injection, block other pore of observation chamber 6 during gas injection with finger or plug, come the detection and location indicator whether unobstructed and airtight by pressing syringe.Detect good after, the observation chamber 6 to observing tube 5 injects appropriate amount of fluid first, such as normal saline, liquid since capillary act on form one section in the observation chamber 6 can be for the fluid column of observing; Then register guide is inserted in the puncture needle tubing, then puncture needle is thrust the subcutaneous slow propelling of human body, when puncture needle arrives epidural space, because there is negative pressure in epidural space, simultaneously because nook closing member 1 is hollow, the observation chamber 6 of the tube chamber 3 of nook closing member 1, the cavity 4 of the nook closing member base of a fruit 2 and observing tube 5 is communicated with successively, so fluid column can move under the effect of pressure differential, on observing tube 5, can significantly observe the movement of fluid column, just can know that puncture needle has arrived epidural space this moment, and operator stop inserting needle immediately.Therefore this register guide need not repeatedly to extract out nook closing member and connects repeatedly test position fix of wave duct or syringe again in piercing process, and the complexity of reduction operation improves puncture efficient and reduces error, and effect is more remarkable concerning the abecedarian.Simultaneously can realize in the inserting needle process, judging whether puncture needle has arrived epidural space synchronously, improve the order of accuarcy of puncture.
In the present embodiment, the bottom of the described nook closing member base of a fruit 2 is provided with the annular groove 10 with the puncture needle tubing base of a fruit 11 couplings, as shown in Figure 1.When nook closing member 1 was inserted into needle tubing, the puncture needle tubing base of a fruit 11 can embed in the nook closing member base of a fruit 2 just, so that keep good sealing property at puncture needle and register guide, improved the reliability of location.Also be conducive to simultaneously mutually combining of this register guide and puncture needle, convenient operation and observation.Certainly also can be set to the groove of square groove or other shapes, as long as just can with the puncture needle tubing base of a fruit 11 couplings.
In the present embodiment, the length that preferred embodiment is described observing tube 5 is 2cm.This moderate length can reach good observing effect, also is unlikely to simultaneously the oversize impact operation of pushing pin.In addition, the length of observing tube 5 also can be other the arbitrary numerical value between 3cm, 5cm or the 2cm～5cm, as long as the length of observing tube can satisfy the observation demand.
In the present embodiment, the external diameter of the internal diameter of the upper end of described observing tube 5 and syringe union joint 9 is complementary.Owing to need use first syringe to test the performance of this register guide as last carrying out puncture procedure, therefore, the size that the external diameter of the internal diameter of the upper end of observing tube 5 and syringe union joint 9 is complementary.
In the present embodiment, the lower end of described nook closing member 1 offers two through holes 8.By offering more through hole 8 at nook closing member 1 leading portion, avoid in the inserting needle process, having indivedual through hole 8 blocked and can't produce pressure differential when causing puncture needle to arrive epidural space, cause fluid column mobile and cause register guide to lose efficacy, the practicality of the present embodiment is stronger.Certainly in order to obtain better effect, can also offer three even more through hole 8.
Be the embodiment two of this utility model cavum epidural puncture register guide as shown in Figure 3 and Figure 4, be with the difference of above-described embodiment one: the upper end sidewall of described observing tube 5 offers passage 7, and described passage 7 is communicated with observation chamber 6.Because the setting of passage 7, even observing tube 5 upper ends are blocked, observation chamber 6 still can be communicated with atmosphere, thereby fluid column can correctly move when puncture needle arrives epidural space, so can be with hands by being pressed in observing tube 5 upper ends in the inserting needle process, make the more convenient operation of pushing pin, also avoid the operator to fail to communicate with atmosphere and then so that this register guide can not reach the effect of location indication, improved operability and the practicality of this register guide owing in the past operating habit causes observation chamber 6.All can ventilate in upper end sidewall and the upper end of observing tube 5, thereby be applicable to the grasping person of different operating maneuver, and practicality is stronger.
Be illustrated in figure 5 as the embodiment three of this utility model cavum epidural puncture register guide, be with the difference of above-described embodiment two: the chamber wall of the observation chamber 6 of described observing tube 5 is provided with the anti-flow liner that prevents that liquid from flowing voluntarily.Anti-flow liner is wavy in the present embodiment, utilizes the surface tension of liquid to avoid fluid column in 6 li free-flows of observation chamber, and then the erroneous judgement of avoiding so causing, and improves the accuracy of location indication.
Be illustrated in figure 6 as the embodiment four of this utility model cavum epidural puncture register guide, be with the difference of above-described embodiment three: the outer wall of described observing tube 5 is provided with anti-slip veins.By the frictional force between this anti-slip veins increase finger and the observing tube 5, exert all one's strength when conveniently pushing pin, so that the operation of pushing pin is more prone to.This anti-slip veins is wavy anti-slip veins in the present embodiment, does not also affect simultaneously observation to fluid column conveniently pushing pin, and certainly, this anti-slip veins also can be strip anti-slip veins or other anti-slip veins.
Anti-flow liner is square-wave-shaped shown in the present embodiment, is avoiding the free-pouring while of liquid also more to be convenient to observe.
Be illustrated in figure 7 as the most preferred embodiment five of this utility model cavum epidural puncture register guide, be with the difference of above-described embodiment four: the described nook closing member base of a fruit 2 is one-body molded with observing tube 5, in the course of processing, need not again observing tube 5 and the nook closing member base of a fruit 2 to be carried out assembly and connection, further simplify manufacturing procedure, reduce the register guide production cost, improved its production efficiency; Also avoided simultaneously in the assembling process locating inaccurate problem owing to being connected tight causing between observing tube 5 and the nook closing member base of a fruit 2, made the location deictic function of this register guide more reliable.
Above-described embodiment is the better implementation of this utility model, in addition, all right alternate manner realization of this utility model, any apparent replacement is all within protection domain of the present utility model without departing from the inventive concept of the premise.
Claims (9)
1. cavum epidural puncture register guide, include nook closing member (1) and the nook closing member base of a fruit (2), it is characterized in that: described nook closing member (1) is for offering the hollow pipe of the tube chamber (3) that connects nook closing member (1), described nook closing member (1) upper end is connected with the nook closing member base of a fruit (2) that offers cavity (4), the upper end of the described nook closing member base of a fruit (2) is connected with the observing tube (5) of being made by transparent material, described observing tube (5) offers the observation chamber (6) that connects observing tube (5), the tube chamber (3) of described nook closing member (1), the cavity (4) of the nook closing member base of a fruit (2) and the observation chamber (6) of observing tube (5) are communicated with successively.
2. cavum epidural puncture register guide according to claim 1 is characterized in that: the described nook closing member base of a fruit (2) is one-body molded with observing tube (5).
3. cavum epidural puncture register guide according to claim 1, it is characterized in that: the outer wall of described observing tube (5) is provided with anti-slip veins.
4. cavum epidural puncture register guide according to claim 1 is characterized in that: the chamber wall of the observation chamber (6) of described observing tube (5) is provided with the anti-flow liner that prevents that liquid from flowing voluntarily.
5. cavum epidural puncture register guide according to claim 1 is characterized in that: the bottom of the described nook closing member base of a fruit (2) is provided with the annular groove (10) with the puncture needle tubing base of a fruit (11) coupling.
6. cavum epidural puncture register guide according to claim 1, it is characterized in that: the length of described observing tube (5) is 2cm～5cm.
7. cavum epidural puncture register guide according to claim 1, it is characterized in that: the upper end sidewall of described observing tube (5) offers passage (7), and described passage (7) is communicated with observation chamber (6).
8. cavum epidural puncture register guide according to claim 1, it is characterized in that: the external diameter of the internal diameter of the upper end of described observing tube (5) and syringe union joint (9) is complementary.
9. cavum epidural puncture register guide according to claim 1, it is characterized in that: the lower end of described nook closing member (1) offers two or more through hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203180407U CN202665704U (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture positioning indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203180407U CN202665704U (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture positioning indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202665704U true CN202665704U (en) | 2013-01-16 |
Family
ID=47486645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203180407U Expired - Fee Related CN202665704U (en) | 2012-07-03 | 2012-07-03 | Epidural space puncture positioning indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202665704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715937A (en) * | 2012-07-03 | 2012-10-10 | 罗永温 | Epidural space puncture location indicator |
| US9144436B2 (en) | 2013-06-24 | 2015-09-29 | Thomas A. Senatore | Apparatus for hanging drop detection of epidural space penetration |
-
2012
- 2012-07-03 CN CN2012203180407U patent/CN202665704U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102715937A (en) * | 2012-07-03 | 2012-10-10 | 罗永温 | Epidural space puncture location indicator |
| CN102715937B (en) * | 2012-07-03 | 2015-01-07 | 罗永温 | Epidural space puncture location indicator |
| US9144436B2 (en) | 2013-06-24 | 2015-09-29 | Thomas A. Senatore | Apparatus for hanging drop detection of epidural space penetration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150703 |
|
| EXPY | Termination of patent right or utility model |