US2570774A - Insufflator - Google Patents
Insufflator Download PDFInfo
- Publication number
- US2570774A US2570774A US781129A US78112947A US2570774A US 2570774 A US2570774 A US 2570774A US 781129 A US781129 A US 781129A US 78112947 A US78112947 A US 78112947A US 2570774 A US2570774 A US 2570774A
- Authority
- US
- United States
- Prior art keywords
- tube
- blow
- medicament
- container
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003814 drug Substances 0.000 description 20
- 238000004804 winding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
Classifications
-
- 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
- A61M15/00—Inhalators
- A61M15/0065—Inhalators with dosage or measuring devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/06—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump
- B05B11/062—Gas or vapour producing the flow, e.g. from a compressible bulb or air pump designed for spraying particulate material
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/06—Solids
- A61M2202/064—Powder
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/07—General characteristics of the apparatus having air pumping means
- A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
- A61M2205/075—Bulb type
Definitions
- This invention relates to an improved insuffiator of the general character disclosed in Patent No. 2,122,234 issued June 28,1938, to Joseph
- the medicament container is inverted to load the discharge tube of the device with a charge of -medicament, after which the rubber bulb of the device is squeezed to expel the charge through said tube.
- the blast of air from said bulb tends to blow more or less into the containen'so that the full force of said air blast to expel the charge of medicament is lost.
- the blow-tube employed may be projectedforwardly through said cavity for the dual purpose, first, of loading the forward end portion of said tube with a charge of medicament and, second, at the same time closing communication between said tube and the container, so that when the air bulb is squeezed, no blow-back of air into the container will occur while the full force of the aid blast to expel the charge of medicament will be r ealized.
- Another object of the invention is to provide a device wherein, as will be perceived in view of the foregoing, the blow-tube will function as a valve, and wherein the structure will necessitate a winding action of said tube as it is shifted longitudinally, since a winding action of the tube as it is moved forwardly into a mass of powdered medicament hasbeen found more eflicient in crowding the medicament into the forward end of the tube, as compared with a plain rectilinear movement of said tube.
- a still further object of the invention is to provide a device commercially practical, and possible of manufacture at low cost.
- Figure 1 is a perspective view of my improved device.
- Figure 2 is an enlarged vertical section showing the device inverted, the blow-tube employed being retracted.
- Figure 3 is a vertical section showing the device upright and the blow-tube projected forwardly to 'closed position with respect to the container.
- Figure 4 is a section on the line 44 of Fig- 1116 3.
- Figure 5 is a detail perspective view of the blow-tube, and the bushing therefor.
- a medicament container l0 which may be of glass or other approved material, and screwed onto the container is a removable closure cap H, a suitable gasket [2 being preferably employed between the parts.
- the cap H is preferably of plastic, although vice is inverted, medicant in the container l0 will, as shown, gravitate through said opening to fill the cavity l4.
- a removable discharge tube 16 equipped with an appropriate tip I I. It is contemplated, as will be understood, that discharge tubes having different shaped tips may be substituted one for another as may be deemed expedient.
- a bushing 18 Fixed in the rear end portion of the bore of the boss I3- is a bushing 18. As seen in detail in Figure 5 of the drawings, this bushing is provided with a helical slot I9, and slidable as well as rotatable in said bushing is a blowtube 20.
- This blow-tube is provided at its inner end with a flange 2
- the blow-tube is shifted longitudinally, it will be rotated by the stud 22 traveling in said slot.
- a bulb 23 of rubber or the like Fitting over the outer end portion of the blowtube 20 is a bulb 23 of rubber or the like.
- This bulb carries an inlet valve, indicated as a whole at 24, and mounted within the tube 20 is an outlet valve 25 limited against forward displacement by knobs 26 indented from the wall of said tube. As will be perceived, when the bulb is squeezed, air will be expelled through the blow-tube.
- the blow-tube 20 is retracted, as shown in Figure 2 of the drawings, when the device is inverted to fill the cavity I4 with medicament.
- the blow-tube is then pushed forwardly to the position shown in Figure 3, when the device may be righted.
- a winding action will be imparted thereto, as previously explained, so that as the inner end portion of said l6 while blow-back of air into the container w.-il 1 be prevented.
- An insufflator including a medicamentcontainer, a cap carried thereby and formed with a portion having a bore therethrough-provid-ing :a metering cavity communicating with ,the container to receive medicament therefrom, a discharge tube mounted inthe forward end of said bore, 'a blow-tube slidably mounted in the rear end portion 'of said bore and movable forwardly to Shiftthe forward end portion thereof through a mass of medicament in said cavity andloadthe blow tube with a charge of said medicament 'as "well as to abut at its inner :end with the inner end of said discharge tube “closing communication between the blow tube and said cavity, whereby a blast of air through the blow-tubewill 'expel saidcharge of medicamentthrough the discharge tube "with 'minimum leakage of air into said cavity, a bushing mounting said blow-tube, and coacting'mea'ns carried by the blow-tube and said "bushing respectively "for imparting a'rotary motion to'the blow-tubeas it
- An insufflator including a medicament container, a cap carried thereby and provided 'at its upper 'end witha diametric'boss having a bore therethroughfth'e middieportion of. said'boreproviding a metering cavity and the cap heing'formed with an opening leading from said cavity into the "container whereby said cavity may receive 4 medicament from said container, a discharge tube disposed in the forward end portion of said bore, a bushing fixed in the rear end portion of said bore and provided with a helical slot therein, a blow-tube slidable in said bushing and movable forwardly to project the forward end thereof through a mass of medicament in said cavity and engage the vinner endof said discharge tube, whereby do load ,the blow-tube with a charge of medicament disposed to b expelled through said discharge tube by a blast of air through said blowtube as well as close communication between the -:blow-tube and said cavity, and a stud carried by theblow-tube to engage in
Description
1951 P. c. DAVIS 7 ,774
INSUFFLATOR Filed Oct. 21. 1947 M. McAuliffe.
Patented Oct. 9, 1 951 UNITED STATES PATENT OFFICE -INSUFFLATOR Frank P.- 0. Davis, Keno, Wash. I Application October 21, 1947, Serial No. 781,129
3 Claims.
p 1 I This invention relates to an improved insuffiator of the general character disclosed in Patent No. 2,122,234 issued June 28,1938, to Joseph In the device of the patent mentioned, the medicament container is inverted to load the discharge tube of the device with a charge of -medicament, after which the rubber bulb of the device is squeezed to expel the charge through said tube. However,- experience has shown that the blast of air from said bulb tends to blow more or less into the containen'so that the full force of said air blast to expel the charge of medicament is lost.
It is therefore an object of the present invention to provide a device wherein, after the container has been inverted to fill the metering cavity of the device with medicament, the blow-tube employed may be projectedforwardly through said cavity for the dual purpose, first, of loading the forward end portion of said tube with a charge of medicament and, second, at the same time closing communication between said tube and the container, so that when the air bulb is squeezed, no blow-back of air into the container will occur while the full force of the aid blast to expel the charge of medicament will be r ealized.
Another object of the invention is to provide a device wherein, as will be perceived in view of the foregoing, the blow-tube will function as a valve, and wherein the structure will necessitate a winding action of said tube as it is shifted longitudinally, since a winding action of the tube as it is moved forwardly into a mass of powdered medicament hasbeen found more eflicient in crowding the medicament into the forward end of the tube, as compared with a plain rectilinear movement of said tube.
And a still further object of the invention is to provide a device commercially practical, and possible of manufacture at low cost.
Other and incidental objects of the invention will appear during the course of the following description, and in the drawings:
Figure 1 is a perspective view of my improved device.
Figure 2 is an enlarged vertical section showing the device inverted, the blow-tube employed being retracted.
Figure 3 is a vertical section showing the device upright and the blow-tube projected forwardly to 'closed position with respect to the container.
Figure 4 is a section on the line 44 of Fig- 1116 3.
Figure 5 is a detail perspective view of the blow-tube, and the bushing therefor.
In carrying the invention into effect, I. employ a medicament container l0 which may be of glass or other approved material, and screwed onto the container is a removable closure cap H, a suitable gasket [2 being preferably employed between the parts.
' The cap H is preferably of plastic, although vice is inverted, medicant in the container l0 will, as shown, gravitate through said opening to fill the cavity l4. I j
Frictionally fitting in the forward end portion of the bore of the boss I3 is a removable discharge tube 16 equipped with an appropriate tip I I. It is contemplated, as will be understood, that discharge tubes having different shaped tips may be substituted one for another as may be deemed expedient.
Fixed in the rear end portion of the bore of the boss I3- is a bushing 18. As seen in detail in Figure 5 of the drawings, this bushing is provided with a helical slot I9, and slidable as well as rotatable in said bushing is a blowtube 20. This blow-tube is provided at its inner end with a flange 2| of a circumference fitting the cavity l4, and appropriately fixed to said tube is a stud 22 slidable in the slot IQ of the bushing l8. Thus, as the blow-tube is shifted longitudinally, it will be rotated by the stud 22 traveling in said slot.
Fitting over the outer end portion of the blowtube 20 is a bulb 23 of rubber or the like. This bulb carries an inlet valve, indicated as a whole at 24, and mounted within the tube 20 is an outlet valve 25 limited against forward displacement by knobs 26 indented from the wall of said tube. As will be perceived, when the bulb is squeezed, air will be expelled through the blow-tube.
In use, the blow-tube 20 is retracted, as shown in Figure 2 of the drawings, when the device is inverted to fill the cavity I4 with medicament. By manipulating the bulb 23, the blow-tube is then pushed forwardly to the position shown in Figure 3, when the device may be righted. As the blow-tube is pushed forwardly, a winding action will be imparted thereto, as previously explained, so that as the inner end portion of said l6 while blow-back of air into the container w.-il 1 be prevented.
Having thus described my invention, I claim:
1. An insufflator including a medicamentcontainer, a cap carried thereby and formed with a portion having a bore therethrough-provid-ing :a metering cavity communicating with ,the container to receive medicament therefrom, a discharge tube mounted inthe forward end of said bore, 'a blow-tube slidably mounted in the rear end portion 'of said bore and movable forwardly to Shiftthe forward end portion thereof through a mass of medicament in said cavity andloadthe blow tube with a charge of said medicament 'as "well as to abut at its inner :end with the inner end of said discharge tube "closing communication between the blow tube and said cavity, whereby a blast of air through the blow-tubewill 'expel saidcharge of medicamentthrough the discharge tube "with 'minimum leakage of air into said cavity, a bushing mounting said blow-tube, and coacting'mea'ns carried by the blow-tube and said "bushing respectively "for imparting a'rotary motion to'the blow-tubeas it is shifted forwardly.
2. An insufflator including a medicament container, a cap carried thereby and provided 'at its upper 'end witha diametric'boss having a bore therethroughfth'e middieportion of. said'boreproviding a metering cavity and the cap heing'formed with an opening leading from said cavity into the "container whereby said cavity may receive 4 medicament from said container, a discharge tube disposed in the forward end portion of said bore, a bushing fixed in the rear end portion of said bore and provided with a helical slot therein, a blow-tube slidable in said bushing and movable forwardly to project the forward end thereof through a mass of medicament in said cavity and engage the vinner endof said discharge tube, whereby do load ,the blow-tube with a charge of medicament disposed to b expelled through said discharge tube by a blast of air through said blowtube as well as close communication between the -:blow-tube and said cavity, and a stud carried by theblow-tube to engage in the slot of said bushing for imparting a rotary motion to the blow-tube as Iitis shifted forwardly.
3. 'An insuifiator including a medicament container having an end wall provided with a discharge duct and being formed with a metering cavity communicating with the container to'receive*med-ica menttherefrom as well as communieating with said discharge duct, a blow-tube carried by said end wall and movable forwardly thereon within said cavity through a mass of medicament therein to load the blow-tube with a charge of medicament disposed to be expelled through said discharge "duct by a blast of air I Number REFERENCES CIT-ED V The following references are of record in the file of this patent:
UNITED STATES PATENTS Name Date "1; 934,' 7 9'-3 Crain Nov. 14, 1933 1,985,001 Ih'ometz l Dec. 18,1934
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US781129A US2570774A (en) | 1947-10-21 | 1947-10-21 | Insufflator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US781129A US2570774A (en) | 1947-10-21 | 1947-10-21 | Insufflator |
Publications (1)
Publication Number | Publication Date |
---|---|
US2570774A true US2570774A (en) | 1951-10-09 |
Family
ID=25121783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US781129A Expired - Lifetime US2570774A (en) | 1947-10-21 | 1947-10-21 | Insufflator |
Country Status (1)
Country | Link |
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US (1) | US2570774A (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274403A (en) * | 1979-08-29 | 1981-06-23 | Struve Roger L | Inhaler |
US5113855A (en) * | 1990-02-14 | 1992-05-19 | Newhouse Michael T | Powder inhaler |
US5312331A (en) * | 1993-04-15 | 1994-05-17 | Knoepfler Dennis J | Method and apparatus for talc pleurodesis |
US5724960A (en) * | 1994-04-20 | 1998-03-10 | Valois S.A. | Insert defining a measuring chamber of an inhaler device |
WO1998018561A1 (en) * | 1996-10-30 | 1998-05-07 | The Procter & Gamble Company | Dispensing devices |
US5785049A (en) * | 1994-09-21 | 1998-07-28 | Inhale Therapeutic Systems | Method and apparatus for dispersion of dry powder medicaments |
US5983893A (en) * | 1994-12-21 | 1999-11-16 | Astra Aktiebolag | Inhalation device |
US6055979A (en) * | 1996-04-02 | 2000-05-02 | Ing. Erich Pfeiffer Gmbh | Dosing and discharging device for flowable media including powder/air dispersions |
EP1056496A1 (en) * | 1998-02-12 | 2000-12-06 | IEP Pharmaceutical Devices, Inc. | Metered dose inhaler pump |
US6257233B1 (en) | 1998-06-04 | 2001-07-10 | Inhale Therapeutic Systems | Dry powder dispersing apparatus and methods for their use |
US6543448B1 (en) | 1994-09-21 | 2003-04-08 | Inhale Therapeutic Systems, Inc. | Apparatus and methods for dispersing dry powder medicaments |
US6679256B2 (en) | 1999-12-17 | 2004-01-20 | Nektar Therapeutics | Systems and methods for extracting powders from receptacles |
US6681767B1 (en) | 1991-07-02 | 2004-01-27 | Nektar Therapeutics | Method and device for delivering aerosolized medicaments |
FR2863503A1 (en) * | 2003-12-12 | 2005-06-17 | Genzyme Sas | Powder atomiser for use during surgery has bulb connected to turbulence chamber through tube that partially penetrates chamber |
US20050279349A1 (en) * | 1991-07-02 | 2005-12-22 | Patton John S | Method and device for delivering aerosolized medicaments |
US20080251072A1 (en) * | 2005-07-13 | 2008-10-16 | Amar Lulla | Inhaler Device |
US20090211577A1 (en) * | 2005-04-08 | 2009-08-27 | Nycomed Gmbh | Device for Dosing and Dry Nebulization |
US20100248179A1 (en) * | 2007-11-26 | 2010-09-30 | Sogaro Alberto C | Apparatus for applying a powdery or liquid material |
US20130046278A1 (en) * | 2010-01-15 | 2013-02-21 | Xin Ji | Internal Dry Powder Delivery System and Method Thereof |
EP3199192A4 (en) * | 2014-09-22 | 2018-06-06 | Utah-Inha DDS & Advanced Therapeutics Research Center | Dispenser for spraying powder and powder sprayer including same |
US10314937B2 (en) | 2014-09-18 | 2019-06-11 | Endoclot Plus Co., Ltd. | Biocompatible hemostatic product and preparation method thereof |
US11213615B2 (en) | 2017-02-28 | 2022-01-04 | EndoClot Plus Co.. Ltd | Composition for submucosal injection, reagent combination, and applications thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1934793A (en) * | 1932-03-02 | 1933-11-14 | Crain | Insufflator |
US1985001A (en) * | 1933-07-01 | 1934-12-18 | Harry M Thometz | Inhaler |
-
1947
- 1947-10-21 US US781129A patent/US2570774A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1934793A (en) * | 1932-03-02 | 1933-11-14 | Crain | Insufflator |
US1985001A (en) * | 1933-07-01 | 1934-12-18 | Harry M Thometz | Inhaler |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274403A (en) * | 1979-08-29 | 1981-06-23 | Struve Roger L | Inhaler |
US5113855A (en) * | 1990-02-14 | 1992-05-19 | Newhouse Michael T | Powder inhaler |
US20050279349A1 (en) * | 1991-07-02 | 2005-12-22 | Patton John S | Method and device for delivering aerosolized medicaments |
US6681767B1 (en) | 1991-07-02 | 2004-01-27 | Nektar Therapeutics | Method and device for delivering aerosolized medicaments |
US5312331A (en) * | 1993-04-15 | 1994-05-17 | Knoepfler Dennis J | Method and apparatus for talc pleurodesis |
US5724960A (en) * | 1994-04-20 | 1998-03-10 | Valois S.A. | Insert defining a measuring chamber of an inhaler device |
US6543448B1 (en) | 1994-09-21 | 2003-04-08 | Inhale Therapeutic Systems, Inc. | Apparatus and methods for dispersing dry powder medicaments |
US5785049A (en) * | 1994-09-21 | 1998-07-28 | Inhale Therapeutic Systems | Method and apparatus for dispersion of dry powder medicaments |
US5983893A (en) * | 1994-12-21 | 1999-11-16 | Astra Aktiebolag | Inhalation device |
US6055979A (en) * | 1996-04-02 | 2000-05-02 | Ing. Erich Pfeiffer Gmbh | Dosing and discharging device for flowable media including powder/air dispersions |
WO1998018561A1 (en) * | 1996-10-30 | 1998-05-07 | The Procter & Gamble Company | Dispensing devices |
US6216966B1 (en) | 1996-10-30 | 2001-04-17 | The Procter & Gamble Company | Dispensing devices |
EP1056496A1 (en) * | 1998-02-12 | 2000-12-06 | IEP Pharmaceutical Devices, Inc. | Metered dose inhaler pump |
EP1056496A4 (en) * | 1998-02-12 | 2001-07-11 | Iep Pharmaceutical Devices Inc | Metered dose inhaler pump |
US6546929B2 (en) | 1998-06-04 | 2003-04-15 | Inhale Therapeutic Systems, Inc. | Dry powder dispersing apparatus and methods for their use |
US20030209243A1 (en) * | 1998-06-04 | 2003-11-13 | Inhale Therapeutic Systems | Dry powder dispersing apparatus and methods for their use |
US6901929B2 (en) | 1998-06-04 | 2005-06-07 | Nektar Therapeutics | Dry powder dispersing apparatus and methods for their use |
US6257233B1 (en) | 1998-06-04 | 2001-07-10 | Inhale Therapeutic Systems | Dry powder dispersing apparatus and methods for their use |
US7422013B2 (en) | 1998-06-04 | 2008-09-09 | Nektar Therapeutics | Dry powder dispersing apparatus and methods for their use |
US20080230058A1 (en) * | 1998-06-04 | 2008-09-25 | Nektar Therapeutics | Dry powder dispersing apparatus and methods for their use |
US8161969B2 (en) | 1998-06-04 | 2012-04-24 | Novartis Ag | Dry powder dispersing apparatus and methods for their use |
US6679256B2 (en) | 1999-12-17 | 2004-01-20 | Nektar Therapeutics | Systems and methods for extracting powders from receptacles |
FR2863503A1 (en) * | 2003-12-12 | 2005-06-17 | Genzyme Sas | Powder atomiser for use during surgery has bulb connected to turbulence chamber through tube that partially penetrates chamber |
US20090211577A1 (en) * | 2005-04-08 | 2009-08-27 | Nycomed Gmbh | Device for Dosing and Dry Nebulization |
US9713682B2 (en) * | 2005-04-08 | 2017-07-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for dosing and dry nebulization |
US20080251072A1 (en) * | 2005-07-13 | 2008-10-16 | Amar Lulla | Inhaler Device |
US20100248179A1 (en) * | 2007-11-26 | 2010-09-30 | Sogaro Alberto C | Apparatus for applying a powdery or liquid material |
US8647114B2 (en) * | 2007-11-26 | 2014-02-11 | Dispensys Ag | Apparatus for applying a powdery or liquid material |
US20130046278A1 (en) * | 2010-01-15 | 2013-02-21 | Xin Ji | Internal Dry Powder Delivery System and Method Thereof |
US8827980B2 (en) * | 2010-01-15 | 2014-09-09 | Xin Ji | Internal dry powder delivery system and method thereof |
US10314937B2 (en) | 2014-09-18 | 2019-06-11 | Endoclot Plus Co., Ltd. | Biocompatible hemostatic product and preparation method thereof |
EP3199192A4 (en) * | 2014-09-22 | 2018-06-06 | Utah-Inha DDS & Advanced Therapeutics Research Center | Dispenser for spraying powder and powder sprayer including same |
US10463811B2 (en) | 2014-09-22 | 2019-11-05 | Nextbiomedical Co., Ltd. | Dispenser for spraying powder and powder sprayer including same |
US11213615B2 (en) | 2017-02-28 | 2022-01-04 | EndoClot Plus Co.. Ltd | Composition for submucosal injection, reagent combination, and applications thereof |
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