CN114608765A - Needle sleeve sealing performance detection device for medical pre-filling and sealing syringe - Google Patents
Needle sleeve sealing performance detection device for medical pre-filling and sealing syringe Download PDFInfo
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- CN114608765A CN114608765A CN202210378425.0A CN202210378425A CN114608765A CN 114608765 A CN114608765 A CN 114608765A CN 202210378425 A CN202210378425 A CN 202210378425A CN 114608765 A CN114608765 A CN 114608765A
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- air
- needle sleeve
- plywood
- cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Abstract
The invention discloses a needle sleeve sealing performance detection device for a medical pre-filling and sealing syringe, which comprises a lower plywood, wherein fixed plates are fixedly arranged at the left end and the right end of the lower plywood, a water tank is arranged at the lower end of each fixed plate, a water cavity is formed in the lower plywood, a left water outlet pipe, a right water outlet pipe and an air outlet pipe are communicated with the water cavity, a boss is fixedly arranged on the upper end surface of the lower plywood, a needle sleeve is arranged in a rubber cylinder, a water pump is arranged on the peripheral wall of each connecting cavity, supporting plates are arranged on the circumferential outer side of each connecting cavity, an upper group of supporting blocks and a lower group of supporting blocks are arranged on the inner side surface of each supporting plate, the needle sleeve is sealed by a double peripheral wrapping method, the service lives of a rubber pad and a sealing ring are prolonged, the detection of the needle sleeve in the inner and outer directions is carried out through an air pressure detector and a pressure detector which are arranged up and down, the detection precision is improved, and the problem of the air tightness caused by the detection that whether the rubber pad and the sealing ring are aged or not is caused, and the pressure detector are arranged up and down, inside and outside, so that manual judgment is not needed.
Description
Technical Field
The invention relates to the technical field of needle sleeve airtightness detection, in particular to a needle sleeve sealability detection device for a medical prefilled syringe.
Background
The size of medical needle cover is different, has big or small, when carrying out sealing performance detection to the needle cover, need use article jam needle cover, and butt mode is sealed in adopting mostly, and the article is in the use, owing to hug closely with needle cover inner wall, lays and the in-process of dismantling, causes the damage to blocking up the article easily, has reduceed life, and installs and dismantle the in-process, need advance artifical pre-compaction and calibration, wastes time and energy.
Disclosure of Invention
The invention aims to provide a needle sleeve sealing performance detection device for a medical pre-filling and sealing syringe, which is used for overcoming the defects in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A needle sleeve sealing performance detection device for a medical pre-filling and sealing syringe comprises a lower plate, wherein fixed plates are fixedly arranged at the left end and the right end of the lower plate, a water tank is arranged at the lower end of each fixed plate, and an upper plate is arranged at the upper end of the lower plate;
a water cavity is formed in the lower close plate, a left water outlet pipe, a right water outlet pipe and an air outlet pipe are communicated with the water cavity, a boss is fixedly arranged on the upper end surface of the lower close plate, connecting cavities which are uniformly distributed in the circumferential direction are formed in the boss, a rubber cylinder is fixedly arranged on the circumferential wall of each connecting cavity, and the lower end of each connecting cavity is communicated with the water cavity;
the rubber tube is internally provided with a needle sleeve, the peripheral wall of each connecting cavity is provided with a water pump, the circumferential outer side of each connecting cavity is provided with a supporting plate, the inner side surface of each supporting plate is provided with an upper group of supporting blocks and a lower group of supporting blocks, and the supporting blocks are tightly attached to the needle sleeve.
Preferably, a sleeve cavity is formed in the needle sleeve, a detection cavity is formed in the rubber barrel, each supporting block corresponds to the telescopic rod which is circumferentially distributed between the supporting plates, a push spring is connected between the detection cavity and the supporting block, and the connection cavity is communicated with the detection cavity.
Preferably, an air box is fixedly arranged on the upper end face of the upper plywood, an air ring box is arranged on the periphery of the air box, air cavities which are opened up from top to bottom are formed in the air box, an air pump is fixedly arranged at the upper end of the air box, an air inlet pipe is communicated with the upper end of the air pump and communicated with an air bottle, connecting pipes which are uniformly distributed in the circumferential direction are communicated with the circumferential side wall of the air cavities, and the connecting pipes extend outwards and are communicated with the air ring box.
Preferably, the interior smooth chamber that has seted up circumference evenly distributed of last plywood, smooth chamber with detect the mutual corresponding setting from top to bottom in chamber, every smooth intracavity all sets firmly the inflator, every the inflator respectively with correspond the air cavity intercommunication, every the atmospheric pressure detector has all set firmly in the inflator, every all be equipped with gliding a section of thick bamboo of sealing from top to bottom in the periphery of inflator, seal a section of thick bamboo with be connected with thrust spring between the smooth chamber, seal and set firmly the rubber pad on the section of thick bamboo inner wall, the upside of rubber pad is equipped with the seal ring, the air pump can with the outlet duct intercommunication.
Preferably, two fixed cylinders which are bilaterally symmetrical are fixedly arranged on the upper end surface of the lower plywood, sliding connecting plates which can slide up and down are respectively arranged on the two fixed cylinders, bilaterally symmetrical sliding grooves are respectively formed in the two sliding connecting plates, the fixed cylinders are in sliding fit with the sliding grooves, a rotating part is fixedly arranged at the upper end of each sliding connecting plate, a return spring is connected between the rotating part and the fixed cylinders, a connecting part is rotatably arranged at the upper end of the rotating part, and a rotating rod is rotatably connected between the two connecting parts;
dwang and two all be connected with the torsional spring between the connecting piece, both ends all have set firmly the connecting rod about going up the plywood, set firmly two bilateral symmetry's dead lever in the periphery of dwang, the dead lever with correspond connecting rod fixed connection, two the dead lever with correspond all be connected with the extension spring between the slip even board.
Preferably, two both ends all set firmly the support around the fixed plate, adjacent two between the support with both ends fixed connection around the water tank, two all communicate in the water tank and be equipped with the inlet tube, two the inlet tube all with outlet pipe intercommunication, two all be equipped with the water diversion board in the water tank.
Preferably, a pressure detector is arranged on the upper side of each water pump.
Preferably, evenly distributed bottom feet are fixedly arranged on the lower end face of the lower plywood and are abutted to the ground.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The rubber pad and the sealing ring are attached to the upper end face of the needle sleeve, the needle sleeve is sealed by a double-periphery wrapping method, so that the service lives of the rubber pad and the sealing ring are prolonged, the needle sleeve is detected in the inner and outer directions by the air pressure detector and the pressure detector which are arranged up and down, the detection precision is improved, the problem of air tightness reduction caused by aging of the rubber pad and the sealing ring is detected, and the detection is carried out by the air pressure detector and the pressure detector which are arranged up and down, inside and outside, without manual judgment.
Drawings
FIG. 1 is a schematic exterior view of a needle sleeve sealing performance detection device for a medical pre-filling and sealing syringe according to the present invention;
FIG. 2 is a schematic structural diagram of the lower part of the device for detecting the sealing performance of the needle sleeve for the medical pre-filling and sealing syringe;
FIG. 3 is a schematic structural view of the upper part of the needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe of the present invention;
FIG. 4 is a schematic top view of FIG. 2 of the present invention;
FIG. 5 is an enlarged partial rear view of the rotary member of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged partial schematic view of the invention at the cuff cavity of FIG. 2;
FIG. 7 is an enlarged side sectional view of the invention at the rotating member of FIG. 2;
in the figure: 10. a lower plywood; 11. a fixing plate; 12. a boss; 13. a water tank; 14. a support; 15. a water inlet pipe; 16. a rotating member; 17. a connecting member; 18. rotating the rod; 19. a sliding connecting plate; 20. a return spring; 21. a fixed cylinder; 22. footing; 23. a water chamber; 24. a water outlet pipe; 25. a sleeve cavity; 26. a water pump; 27. a connecting cavity; 28. a telescopic rod; 29. pushing a spring; 30. a resisting block; 31. a detection chamber; 32. a support plate; 33. a needle sleeve; 34. a rubber cylinder; 35. a torsion spring; 36. a chute; 37. a tension spring; 38. fixing the rod; 39. a pressure detector; 40. a plywood is arranged; 41. a connecting rod; 42. sealing the cylinder; 43. a rubber pad; 44. sealing a ring; 45. an air pressure detector; 46. an air cylinder; 47. a slide chamber; 48. a thrust spring; 49. an air pump; 50. an air inlet pipe; 51. a gas tank; 52. an air cavity; 53. a connecting pipe; 54. a gas ring box; 55. an air outlet pipe; 56. and (5) a water distribution plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a needle cover sealing performance detection device for medical embedment syringe in advance, refers to fig. 1-7, includes lower plywood 10, both ends all have set firmly fixed plate 11 about lower plywood 10, the lower extreme of fixed plate 11 is equipped with water tank 13, the upper end of lower plywood 10 is equipped with plywood 40.
A needle sleeve 33 is arranged in the rubber cylinder 34, a water pump 26 is arranged on the circumferential wall of each connecting cavity 27, supporting plates 32 are arranged on the circumferential outer sides of the connecting cavities 27, an upper group of abutting blocks 30 and a lower group of abutting blocks 30 are arranged on the inner side surfaces of the supporting plates 32, and the abutting blocks 30 are tightly attached to the needle sleeve 33.
Optionally, a sleeve cavity 25 is formed in the needle sleeve 33, a detection cavity 31 is formed in the rubber cylinder 34, the circumferentially distributed telescopic rods 28 are connected between each supporting block 30 and the corresponding supporting plate 32, a push spring 29 is connected between the detection cavity 31 and the supporting block 30, and the connection cavity 27 is communicated with the detection cavity 31.
Optionally, an air tank 51 is fixedly arranged on the upper end surface of the upper plywood 40, an air ring tank 54 is arranged on the periphery of the air tank 51, air chambers 52 which are opened up and down are respectively arranged in the air tank 51 and the air ring tank 54, an air pump 49 is fixedly arranged at the upper end of the air tank 51, an air inlet pipe 50 is communicated with the upper end of the air pump 49, the air inlet pipe 50 is communicated with an air bottle, connecting pipes 53 which are uniformly distributed in the circumferential direction are respectively communicated with the peripheral side wall of the air chamber 52, and the connecting pipes 53 extend outwards and are communicated with the air ring tank 54.
Optionally, a sliding cavity 47 with circumference evenly distributed is formed in the upper plywood 40, the sliding cavity 47 and the detection cavity 31 are arranged corresponding to each other up and down, each an air cylinder 46 is fixedly arranged in the sliding cavity 47, each air cylinder 46 is communicated with the corresponding air cavity 52, each an air pressure detector 45 is fixedly arranged in each air cylinder 46, each a sealing cylinder 42 capable of sliding up and down is arranged on the periphery of each air cylinder 46, a thrust spring 48 is connected between each sealing cylinder 42 and the sliding cavity 47, a rubber pad 43 is fixedly arranged on the inner wall of each sealing cylinder 42, a sealing ring 44 is arranged on the upper side of each rubber pad 43, and each air pump 49 can be communicated with the corresponding air outlet pipe 55.
Promote downwards through the user go up plywood 40, make go up plywood 40 upset downwards extension spring 37 with reset spring 20's effect down, make go up plywood 40's lower terminal surface with the up end of boss 12 is hugged closely, through rubber pad 43 seal ring 44 with the up end of needle cover 33 is hugged closely, carries out first closure, passes through afterwards seal a section of thick bamboo 42 with detect the chamber 31 and carry out secondary seal, through air pump 49 work is followed air in intake pipe 50 department extraction gas cylinder, through gas tank 51 with gas ring case 54 gets into correspondingly in the inflator 46, the air passes through atmospheric pressure detector 45 is downwards in the cover chamber 25, through upper and lower direction atmospheric pressure detector 45 with pressure reading between the pressure detector 39, it detects to carry out the gas tightness needle cover 33, accomplishes holistic first time and aerifys and detects, air pump 49 work is clear away detect chamber 31 with the air to the standard atmospheric pressure of cover chamber 25 department, afterwards air pump 49 work, this moment air pump 49 lower extreme with outlet duct 55 intercommunication, through outlet duct 55, it is right to detect chamber 31 department and fill in the air seal a section of thick bamboo 42 rubber pad 43 with under the double-sealed of seal ring 44, it is right the week lateral wall of cover chamber 25 carries out the gas tightness and detects, detects whether there is the gas leakage problem that the crack leads to in the lateral wall department of needle cover 33, accomplishes the second time of lower extreme week lateral wall department and aerifys the detection, through water pump 26 work, the extraction the water entering of water tank 13 department in the water cavity 23, make water upwards spread to needle cover 33 department, through inflator 46 to the upper end of needle cover 33 fills in the air, accomplishes the upper end gas tightness of the third time and detects.
It is optional, fixed cylinder 21 of two bilateral symmetry, two set firmly on lower plywood 10's the up end fixed cylinder 21 is last all to be equipped with gliding slip even board 19 from top to bottom, two slip even the spout 36 of bilateral symmetry has all been seted up in the board 19, fixed cylinder 21 with spout 36 sliding fit, the upper end of slip even board 19 has set firmly and has rotated piece 16, rotate piece 16 with be connected with reset spring 20 between the fixed cylinder 21, the upper end rotation of rotating piece 16 is equipped with connecting piece 17, two it is connected with dwang 18 to rotate between the connecting piece 17.
Dwang 18 and two all be connected with torsional spring 35 between the connecting piece 17, both ends all have set firmly connecting rod 41 about going up plywood 40, set firmly two bilateral symmetry's dead lever 38 in the periphery of dwang 18, dead lever 38 with correspond connecting rod 41 fixed connection, two dead lever 38 and corresponding all be connected with extension spring 37 between the even board 19 of sliding.
Upwards promote through the user go up plywood 40, make go up plywood 40 receives ascending power to overcome torsional spring 35's power makes go up plywood 40 along dwang 18 upwards overturns and opens, this moment torsional spring 35 atress disconnection makes go up plywood 40 keeps the direction of upwards swinging to fix, otherwise, the user promotes downwards go up plywood 40, go up plywood 40 is in reset under torsional spring 35's the effect, simultaneously through the spring tension of extension spring 37 makes go up plywood 40 with boss 12 keeps hugging closely the state.
Optionally, two both ends all have set firmly support 14 around the fixed plate 11, adjacent two between the support 14 with both ends fixed connection around the water tank 13, two all communicate in the water tank 13 and be equipped with inlet tube 15, two inlet tube 15 all with outlet pipe 24 intercommunication, two all be equipped with water distribution plate 56 in the water tank 13.
Through the work of water distribution plate 56, the extraction the water at both ends about water tank 13 extremely the intermediate position of water tank 13, through inlet tube 15 with outlet pipe 24's intercommunication, to water cavity 23 department supplies water, and the cooperation air pump 49 carries out the secondary gas tightness and detects.
Optionally, a pressure detector 39 is arranged on the upper side of each water pump 26; the pressure detection is performed on the outside of the needle sheath 33 by the pressure detector 39.
Optionally, uniformly distributed bottom feet 22 are fixedly arranged on the lower end surface of the lower plywood 10, and the bottom feet 22 are abutted to the ground; the user can lift the lower plate 10 and fix the lower plate 10 by the feet 22.
The invention relates to a needle sleeve sealing performance detection device for a medical pre-filling and sealing syringe, which comprises the following working procedures.
The upper combination plate 40 is pushed downwards by a user, the upper combination plate 40 is turned downwards, the lower end surface of the upper combination plate 40 is tightly attached to the upper end surface of the boss 12 under the action of the tension spring 37 and the return spring 20, primary sealing is carried out through tightly attaching the rubber pad 43 and the seal ring 44 to the upper end surface of the needle sleeve 33, secondary sealing is carried out through the seal cylinder 42 and the detection cavity 31, air in an air bottle is extracted from an air inlet pipe 50 through the work of an air pump 49, the air enters the corresponding air cylinder 46 through the air box 51 and the air ring box 54, the air is filled into the sleeve cavity 25 downwards through the air pressure detector 45, the air tightness detection is carried out on the needle sleeve 33 through the pressure reading between the air pressure detector 45 and the pressure intensity detector 39 in the vertical direction, the integral first inflation detection is completed, the air in the detection cavity 31 and the sleeve cavity 25 is removed to the standard atmospheric pressure through the work of the air pump 49, then the air pump 49 works, the lower end of the air pump 49 is communicated with the air outlet pipe 55, the air is filled into the detection cavity 31 through the air outlet pipe 55, the air tightness detection is carried out on the peripheral side wall of the sleeve cavity 25 under the double sealing of the sealing cylinder 42, the rubber pad 43 and the sealing ring 44, the air leakage problem caused by cracks existing on the peripheral side wall of the needle sleeve 33 is detected, the secondary air filling detection on the peripheral side wall of the lower end is completed, water in the water tank 13 is pumped into the water cavity 23 through the work of the water pump 26, the water is made to upwards spread to the needle sleeve 33, the air is filled into the upper end of the needle sleeve 33 through the air cylinder 46, and the third-time upper end air tightness detection is completed.
Upwards promote upper plywood 40 through the user, make upper plywood 40 receive the power that ascending power overcome torsional spring 35, make upper plywood 40 upwards overturn along dwang 18 and open, torsional spring 35 atress disconnection this moment makes upper plywood 40 keep the direction of upwards swinging to fix, otherwise, the user promotes upper plywood 40 downwards, upper plywood 40 resets under torsional spring 35's effect, simultaneously through the spring pulling force of extension spring 37, make upper plywood 40 and boss 12 keep hugging closely the state.
The water at the left end and the right end of the water tank 13 is pumped to the middle position of the water tank 13 through the work of the water distribution plate 56, water is supplied to the water cavity 23 through the communication between the water inlet pipe 15 and the water outlet pipe 24, and secondary air tightness detection is carried out by matching with the air pump 49.
The outside of the needle sheath 33 is pressure-detected by a pressure detector 39.
The user can lift the lower plate 10 and fix the lower plate 10 by the feet 22.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a needle cover sealing performance detection device for medical embedment syringe in advance, includes plywood (10) down, its characterized in that: the left end and the right end of the lower plywood (10) are fixedly provided with fixing plates (11), the lower end of each fixing plate (11) is provided with a water tank (13), and the upper end of the lower plywood (10) is provided with an upper plywood (40);
a water cavity (23) is formed in the lower plywood (10), the water cavity (23) is communicated with a left water outlet pipe (24) and a right water outlet pipe (55), a boss (12) is fixedly arranged on the upper end face of the lower plywood (10), connecting cavities (27) which are uniformly distributed in the circumferential direction are formed in the boss (12), a rubber cylinder (34) is fixedly arranged on the circumferential wall of each connecting cavity (27), and the lower end of each connecting cavity (27) is communicated with the water cavity (23);
a needle sleeve (33) is arranged in the rubber cylinder (34), a water pump (26) is arranged on the peripheral wall of each connecting cavity (27), supporting plates (32) are arranged on the circumferential outer sides of the connecting cavities (27), an upper group of supporting blocks (30) and a lower group of supporting blocks (30) are arranged on the inner side surfaces of the supporting plates (32), and the supporting blocks (30) are tightly attached to the needle sleeve (33).
2. The needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe as claimed in claim 1, wherein: set chamber (25) have been seted up in needle cover (33), detection chamber (31) have been seted up in rubber tube (34), every support piece (30) and corresponding all be connected with circumference distribution's telescopic link (28) between backup pad (32), detect chamber (31) with support and be connected with between piece (30) and push away spring (29), connect chamber (27) with detect chamber (31) intercommunication.
3. The needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe as claimed in claim 2, wherein: last plywood (40) the up end on set firmly gas tank (51), the week side of gas tank (51) is equipped with gas ring case (54), gas tank (51) with air cavity (52) that open from top to bottom have all been seted up in gas ring case (54), air pump (49) have been set firmly to the upper end of gas tank (51), the upper end intercommunication of air pump (49) is equipped with intake pipe (50), intake pipe (50) and gas cylinder intercommunication, all communicate on the week lateral wall of air cavity (52) and be equipped with circumference evenly distributed's connecting pipe (53), connecting pipe (53) outwards extend with gas ring case (54) intercommunication.
4. The needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe as claimed in claim 3, wherein: go up the plywood (40) and seted up smooth chamber (47) of circumference evenly distributed, smooth chamber (47) with detect chamber (31) and correspond the setting from top to bottom each other, every air cylinder (46) have all been set firmly in smooth chamber (47), every air cylinder (46) respectively with correspond air cavity (52) intercommunication, every air pressure detector (45) have all been set firmly in air cylinder (46), every gliding section of thick bamboo (42) seal from top to bottom all be equipped with in the periphery of air cylinder (46), seal a section of thick bamboo (42) with be connected with thrust spring (48) between smooth chamber (47), seal and be equipped with rubber pad (43) on section of thick bamboo (42) inner wall, the upside of rubber pad (43) is equipped with seal ring (44), air pump (49) can with outlet duct (55) intercommunication.
5. The needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe as claimed in claim 1, wherein: the upper end face of the lower plywood (10) is fixedly provided with two bilaterally symmetrical fixed cylinders (21), the two fixed cylinders (21) are respectively provided with a sliding connecting plate (19) capable of sliding up and down, bilaterally symmetrical sliding grooves (36) are formed in the two sliding connecting plates (19), the fixed cylinders (21) are in sliding fit with the sliding grooves (36), the upper ends of the sliding connecting plates (19) are fixedly provided with rotating pieces (16), reset springs (20) are connected between the rotating pieces (16) and the fixed cylinders (21), the upper ends of the rotating pieces (16) are rotatably provided with connecting pieces (17), and rotating rods (18) are rotatably connected between the two connecting pieces (17);
dwang (18) and two all be connected with torsional spring (35) between connecting piece (17), both ends all have set firmly connecting rod (41) about going up plywood (40), set firmly two bilateral symmetry's dead lever (38) in the periphery of dwang (18), dead lever (38) and corresponding connecting rod (41) fixed connection, two dead lever (38) and corresponding all be connected with extension spring (37) between slip even board (19).
6. The needle sleeve sealing performance detection device for the medical pre-filled and sealed syringe as claimed in claim 1, wherein: two both ends all have set firmly support (14), adjacent two around fixed plate (11) between support (14) with both ends fixed connection, two around water tank (13) all communicate in water tank (13) and be equipped with inlet tube (15), two inlet tube (15) all with outlet pipe (24) intercommunication, two all be equipped with in water tank (13) and divide water board (56).
7. The needle sleeve sealing performance detection device for the medical pre-filled and sealed syringe as claimed in claim 1, wherein: the upper side of each water pump (26) is provided with a pressure detector (39).
8. The needle sleeve sealing performance detection device for the medical pre-filling and sealing syringe as claimed in claim 1, wherein: evenly distributed bottom feet (22) are fixedly arranged on the lower end face of the lower plywood (10), and the bottom feet (22) are abutted to the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378425.0A CN114608765B (en) | 2022-04-12 | 2022-04-12 | Needle sleeve sealing performance detection device for medical pre-filling and sealing syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378425.0A CN114608765B (en) | 2022-04-12 | 2022-04-12 | Needle sleeve sealing performance detection device for medical pre-filling and sealing syringe |
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| Publication Number | Publication Date |
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| CN114608765A true CN114608765A (en) | 2022-06-10 |
| CN114608765B CN114608765B (en) | 2022-11-25 |
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| CN202210378425.0A Active CN114608765B (en) | 2022-04-12 | 2022-04-12 | Needle sleeve sealing performance detection device for medical pre-filling and sealing syringe |
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| CN (1) | CN114608765B (en) |
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| CN117268688A (en) * | 2023-11-21 | 2023-12-22 | 河北橡一医药科技股份有限公司 | Needle head protective cap strength detection equipment of prefilled syringe |
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| CN117268688B (en) * | 2023-11-21 | 2024-02-09 | 河北橡一医药科技股份有限公司 | Needle head protective cap strength detection equipment of prefilled syringe |
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| CN114608765B (en) | 2022-11-25 |
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