CN111964937B - Medical syringe detection device - Google Patents
Medical syringe detection device Download PDFInfo
- Publication number
- CN111964937B CN111964937B CN202010873864.XA CN202010873864A CN111964937B CN 111964937 B CN111964937 B CN 111964937B CN 202010873864 A CN202010873864 A CN 202010873864A CN 111964937 B CN111964937 B CN 111964937B
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- piston
- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims description 6
- 239000011550 stock solution Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 210000002445 nipple Anatomy 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a medical injector detection device, and belongs to the technical field of medical equipment production instruments. A medical syringe detection device comprises a base and a driving motor connected to the top of the base, wherein a first sliding cavity, a through groove, a positioning cavity and a second sliding cavity are arranged in the base, a liquid storage box slides in the first sliding cavity, a driving wheel and a ball body are rotatably connected in the positioning cavity, a chuck is slidably connected in the second sliding cavity, a clamping cavity is formed in the chuck, the clamping cavity is sequentially and rotatably connected with a first clamping roller and a second clamping roller from top to bottom, the top of the chuck is connected with a rotating seat, the output end of the driving motor is connected with a rotating disc, an eccentric shaft is connected to the rotating disc, a connecting rod is rotatably connected to the eccentric shaft, and one end, away from the eccentric shaft, of the connecting rod is rotatably connected to the rotating seat; the invention utilizes the quick return characteristic to simulate the action of manual work when using the injector more truly, thereby enabling the acquired data to be more fit with various parameters in actual manual use and improving the reference value of the acquired data.
Description
Technical Field
The invention relates to the technical field of medical equipment production instruments, in particular to a medical injector detection device.
Background
Syringes are a common medical device. The syringe cylinder may be made of plastic or glass, and the syringe is composed of a piston, a piston handle, an empty cylinder, a nipple and the like, and is generally provided with a scale indication for indicating the liquid volume in the syringe. Glass syringes can be sterilized by autoclaving, but because plastic syringes are relatively inexpensive to handle, most modern medical syringes are made of plastic, and during the production of syringes, sampling of syringes is required to avoid syringe defects due to wear of mechanical equipment and the like.
Among the prior art, the mode that detects is mostly the hard pull detection of mechanical type, and the pull action of the data of its detection in very difficult laminating in-service use, and rocking, the skew of syringe are great in the pull in-process, lead to the detection data reference value of syringe to be lower, and if artifical pull detects, work load is great, and data are difficult to gather, consequently, need a medical syringe detection device who laminates the in-service use effect.
Disclosure of Invention
The invention aims to solve the defects of inaccurate parameters and difficulty in acquisition caused by nonstandard drawing action and easiness in shaking of an injector in the prior art, and provides a medical injector detection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a medical syringe detection device, includes base and the driving motor of fixed connection at the base top, by supreme first slip chamber, logical groove, location chamber and the second slip chamber of having seted up in proper order down in the base, first slip intracavity sliding connection has the stock solution box, location chamber top is rotated and is connected with the drive wheel, location chamber bottom is rotated and is connected with the spheroid, second slip intracavity sliding connection has the chuck, set up in the chuck and press from both sides tight chamber, press from both sides tight chamber and rotate in proper order from top to bottom and be connected with first clamp roller and the tight roller of second clamp, chuck top fixedly connected with rotates the seat, driving motor's output fixedly connected with carousel, fixedly connected with eccentric shaft on the carousel, it is connected with the connecting rod to rotate on the rotation seat to rotate the one end that the eccentric shaft was kept away from to the connecting rod.
Preferably, a gas storage cavity is formed in the base, an exhaust pipe is arranged on the gas storage cavity, and a valve is arranged when the exhaust pipe extends to the outside of the base.
Preferably, a second telescopic rod is fixedly connected to the inside of the liquid storage box, a second piston is fixedly connected to the top of the second telescopic rod, and the second piston is slidably connected to the bottom of the gas storage cavity.
Preferably, a limiting cavity is formed in the top of the gas storage cavity, a first telescopic rod is connected in the limiting cavity in a sliding mode, two ends of the first telescopic rod are fixedly connected with an ejector block and a first piston respectively, and the first piston is connected in the gas storage cavity in a sliding mode.
Preferably, the top of the limiting cavity is communicated with the positioning cavity, the ball body is slidably connected into the limiting cavity, a spring is arranged in the limiting cavity, and two ends of the spring respectively abut against the ball body and the top block.
Preferably, the first piston and the second piston are both provided with sealing rings.
Preferably, the driving wheel lateral wall fixedly connected with gear, stock solution box top fixedly connected with lifter, the lifter top is equipped with the pinion rack, the pinion rack meshes with the gear mutually.
Preferably, the outer wall of the driving wheel is provided with anti-skid grains.
Preferably, the first pinch roller and the second pinch roller are both made of rubber.
Preferably, the bottom of the base is fixedly connected with a positioning disc, and positioning holes are uniformly distributed on the positioning disc in the circumferential direction.
Compared with the prior art, the invention provides a medical injector detection device, which has the following beneficial effects:
1. this medical syringe detection device, upper and lower two sides through the piston handle drive first pinch roller and second pinch roller and rotate, the limiting plate then drives drive wheel and spheroid and rotates, and lead to the groove and make the convenient finger of wave formula and stretch into, be convenient for push or take out the syringe, promote detection operation speed, driving motor's pivot is not collinear with rotating the seat, because eccentric crank slider mechanism has the snap-back characteristic, so the speed at the in-process of drawing liquid can be greater than flowing back speed, more can effectual simulation manual drawing liquid, the in-process of flowing back is then more steady, more can simulate artifical action when using the injection, thereby each item parameter when making the data of gathering more laminate actual manual work use, promote data collection's reference value.
2. The medical syringe detection device has the advantages that the top block is abutted against the limiting ring in the limiting cavity, so that a part of a ball body protrudes into the positioning cavity, the ball body is pressed down to enable a spring to contract in the pushing process of the syringe to abut against the bottom wall of the limiting plate, the top wall of the limiting plate of the syringe can be attached to a driving wheel, so that the driving wheel is driven to rotate, in the rotating process of the driving wheel, a gear is meshed with a toothed plate along with rotation to lift a lifting rod, the lifting rod drives a liquid storage box to lift so that observation liquid gradually covers a nipple, in the lifting process of the liquid storage box, a second telescopic rod drives a second piston to compress the inner space of a gas storage cavity, so that the first piston rises to force the spring to contract again through the first telescopic rod, and as the elastic potential energy is continuously increased, the ball body further extrudes the limiting plate, so that the empty syringe is more firm in fixation, and the syringe is prevented from deflecting or shaking during drawing, the data accuracy during the further promotion test can directly open the valve and release by compressed gas after the detection, eliminates the partial elastic potential energy of spring, is convenient for take out of syringe.
3. This medical syringe detection device, the material through first pinch roller and second pinch roller is rubber, base bottom fixedly connected with positioning disk, it has the locating hole to be the circumference equipartition on the positioning disk, in the use, the pinch roller of rubber material has partial deformability, not only can effectively press from both sides the piston handle of tight syringe, still be convenient for get and take, before the use, pass through the bolt fastening with the positioning disk on the workstation earlier, prevent to examine time measuring and rock, promote the accuracy that detects data.
Drawings
FIG. 1 is a front view of a medical injector testing apparatus according to the present invention;
FIG. 2 is a top view of a medical injector testing apparatus according to the present invention;
FIG. 3 is a schematic structural view of a portion A of the medical injector testing device of FIG. 1 according to the present invention;
fig. 4 is a schematic structural diagram of a portion B in fig. 1 of a medical injector detection device according to the present invention.
In the figure: 1. a base; 101. positioning a plate; 1011. positioning holes; 102. a first sliding chamber; 103. a through groove; 104. a positioning cavity; 105. a second sliding chamber; 106. a gas storage cavity; 1061. a limiting cavity; 107. an exhaust pipe; 1071. a valve; 2. a liquid storage box; 201. a lifting rod; 2011. a toothed plate; 202. a second telescopic rod; 203. a second piston; 3. a drive motor; 301. a turntable; 3011. an eccentric shaft; 302. a connecting rod; 303. a chuck; 3031. a first pinch roller; 3032. a second pinch roller; 3033. a clamping cavity; 304. a rotating seat; 4. a drive wheel; 401. a gear; 5. a first telescopic rod; 501. a first piston; 502. a top block; 503. a spring; 504. a sphere.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a medical injector detection device comprises a base 1 and a driving motor 3 fixedly connected to the top of the base 1, a first sliding cavity 102 and a through groove 103 are sequentially arranged in the base 1 from bottom to top, location chamber 104 and second slip chamber 105, sliding connection has liquid storage box 2 in first slip chamber 102, location chamber 104 top is rotated and is connected with drive wheel 4, location chamber 104 bottom is rotated and is connected with spheroid 504, sliding connection has chuck 303 in the second slip chamber 105, it presss from both sides tight chamber 3033 to have seted up in the chuck 303, it has first clamp roller 3031 and second clamp roller 3032 to press from both sides tight chamber 3033 to rotate in proper order from top to bottom to press from both sides tight chamber 3033, chuck 303 top fixedly connected with rotates seat 304, driving motor 3's output fixedly connected with carousel 301, fixedly connected with eccentric shaft 3011 on the carousel 301, it has connecting rod 302 to rotate on the eccentric shaft 3011, connecting rod 302 keeps away from the one end rotation of eccentric shaft 3011 and connects on rotating seat 304.
When detection is needed, an empty cylinder of the syringe is pushed into the through groove 103, meanwhile, a piston handle of the syringe is aligned with a gap between the first clamping roller 3031 and the second clamping roller 3032, a limiting plate on the empty cylinder is aligned with a gap between the driving wheel 4 and the ball 504, in the pushing process, the upper surface and the lower surface of the piston handle drive the first clamping roller 3031 and the second clamping roller 3032 to rotate, the limiting plate drives the driving wheel 4 and the ball 504 to rotate, the through groove 103 is made into a wave type to facilitate the insertion of fingers, so as to facilitate the pushing or the taking out of the syringe, the detection operation speed is improved, before the detection process, observation liquid is injected into the liquid storage box 2 in advance, after the syringe is completely pushed into the through groove 103, the liquid storage box 2 is lifted to cover the nipple of the syringe by the observation liquid, the driving motor 3 is started to drive the rotating disc 301 to rotate, and here, the rotating shaft of the driving motor 3 is not in the same straight line with the rotating seat 304, so as to form an eccentric sliding block mechanism, the eccentric shaft 3011 rotates around the axis of the rotary table 301, firstly, it rises to simulate manual drawing of observation liquid, after the drawing is finished, the eccentric shaft 3011 moves to the farthest end of the line connecting the rotary base 304 and the axis of the rotary table 301, in the process, the capacity in the empty cylinder is recorded, which is convenient for subsequent comparison of capacity tolerance, the rotary table 301 continues to rotate, the observation liquid is discharged into the liquid storage box 2, when the eccentric shaft 3011 moves to the nearest end of the line connecting the rotary base 304 and the axis of the rotary table 301, the residual amount of the observation liquid is recorded, and a force measuring instrument can be arranged on the chuck 303 to record the sliding performance and the push-pull acting force of the piston, and because the eccentric crank slider mechanism has the snap-back characteristic, the speed in the process of liquid drawing is greater than the liquid discharge speed, which can simulate manual liquid drawing more effectively, the process of liquid discharge is more stable, which can simulate the action of manual injection, thereby making the collected data more fit to various parameters in practical manual use, and the reference value of the collected data is improved.
Example 2:
referring to fig. 1 and 3, basically the same as embodiment 1, further, a gas storage cavity 106 is formed in the base 1, an exhaust pipe 107 is arranged on the gas storage cavity 106, the exhaust pipe 107 extends to the outside of the base 1 and is provided with a valve 1071, a second telescopic rod 202 is fixedly connected in the liquid storage box 2, a second piston 203 is fixedly connected to the top of the second telescopic rod 202, the second piston 203 is slidably connected to the bottom of the gas storage cavity 106, a limiting cavity 1061 is formed in the top of the gas storage cavity 106, a first telescopic rod 5 is slidably connected in the limiting cavity 1061, a top block 502 and a first piston 501 are respectively fixedly connected to two ends of the first telescopic rod 5, the first piston 501 is slidably connected in the gas storage cavity 106, the top of the limiting cavity 1061 is communicated with the positioning cavity 104, the sphere 504 is slidably connected in the limiting cavity 1061, a spring 503 is arranged in the limiting cavity 1061, two ends of the spring 503 are respectively abutted against the sphere 504 and the top block 502, and sealing rings are respectively arranged on the first piston 501 and the second piston 203, 4 lateral walls fixedly connected with gears 401 of drive wheel, 2 top fixedly connected with lifter 201 of stock solution box, lifter 201 top are equipped with pinion plate 2011, and pinion plate 2011 meshes with gear 401 mutually, and 4 outer walls of drive wheel are equipped with anti-skidding line.
When the injector is put in, the valve 1071 is closed, the top block 502 abuts against the limit ring in the limit cavity 1061 so as to make a part of the sphere 504 protrude into the positioning cavity 104, in the process of pushing the injector, the sphere 504 is pressed down to make the spring 503 contract and abut against the bottom wall of the limit plate, so as to ensure that the top wall of the limit plate of the injector can be attached to the driving wheel 4, thereby driving the driving wheel 4 to rotate, in the process of rotating the driving wheel 4, the gear 401 rotates along with the rotation to be engaged with the toothed plate 2011 to lift the lifting rod 201, the lifting rod 201 drives the liquid storage box 2 to lift so as to make the observation liquid gradually cover the nipple, in the process of lifting the liquid storage box 2, the second telescopic rod 202 drives the second piston 203 to compress the inner space of the gas storage cavity 106, thereby making the first piston 501 lift to force the spring 503 to contract again through the first telescopic rod 5, because the elastic potential energy is continuously increased, the sphere 504 further extrudes the limit plate, therefore, the empty syringe barrel is more firmly fixed, the empty syringe barrel is prevented from deflecting or shaking during drawing, the data accuracy during testing is further improved, after the detection is finished, the valve 1071 can be directly opened to release compressed gas, partial elastic potential energy of the spring 503 is eliminated, and the syringe can be conveniently taken out.
Example 3:
referring to fig. 1-2 and fig. 4, basically the same as embodiment 1, further, the first clamp roller 3031 and the second clamp roller 3032 are made of rubber, the bottom of the base 1 is fixedly connected with a positioning disc 101, positioning holes 1011 are circumferentially and uniformly distributed on the positioning disc 101, and in the using process, the rubber clamp rollers have partial deformation capacity, so that not only can the piston handle of the injector be effectively clamped, but also the taking is convenient, before the use, the positioning disc 101 is fixed on the workbench through bolts, the shaking during detection is prevented, and the accuracy of detection data is improved.
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 to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A medical syringe detection device comprises a base (1) and a driving motor (3) fixedly connected to the top of the base (1), and is characterized in that a first sliding cavity (102), a through groove (103), a positioning cavity (104) and a second sliding cavity (105) are sequentially formed in the base (1) from bottom to top, a liquid storage box (2) is connected in the first sliding cavity (102) in a sliding mode, a driving wheel (4) is rotatably connected to the top of the positioning cavity (104), a ball body (504) is rotatably connected to the bottom of the positioning cavity (104), a chuck (303) is connected in the second sliding cavity (105) in a sliding mode, a clamping cavity (3033) is formed in the chuck (303), a first clamping roller (3031) and a second clamping roller (3032) are sequentially rotatably connected from top to bottom, a rotating seat (304) is fixedly connected to the top of the chuck (303), the output end of the driving motor (3) is fixedly connected with a turntable (301), an eccentric shaft (3011) is fixedly connected to the turntable (301), a connecting rod (302) is rotatably connected to the eccentric shaft (3011), and one end, far away from the eccentric shaft (3011), of the connecting rod (302) is rotatably connected to a rotating seat (304);
a gas storage cavity (106) is formed in the base (1), an exhaust pipe (107) is arranged on the gas storage cavity (106), and a valve (1071) is arranged on the exhaust pipe (107) extending to the outside of the base (1);
a second telescopic rod (202) is fixedly connected in the liquid storage box (2), a second piston (203) is fixedly connected to the top of the second telescopic rod (202), and the second piston (203) is connected to the bottom of the gas storage cavity (106) in a sliding manner;
the top of the air storage cavity (106) is provided with a limiting cavity (1061), the limiting cavity (1061) is connected with a first telescopic rod (5) in a sliding manner, two ends of the first telescopic rod (5) are respectively and fixedly connected with a top block (502) and a first piston (501), and the first piston (501) is connected in the air storage cavity (106) in a sliding manner;
the top of the limiting cavity (1061) is communicated with the positioning cavity (104), the sphere (504) is connected in the limiting cavity (1061) in a sliding manner, a spring (503) is arranged in the limiting cavity (1061), and two ends of the spring (503) are respectively abutted against the sphere (504) and the top block (502);
drive wheel (4) lateral wall fixedly connected with gear (401), stock solution box (2) top fixedly connected with lifter (201), lifter (201) top is equipped with pinion rack (2011), pinion rack (2011) meshes with gear (401) mutually.
2. The medical injector testing device according to claim 1, wherein the first piston (501) and the second piston (203) are provided with sealing rings.
3. The medical injector detection device according to claim 2, characterized in that the outer wall of the driving wheel (4) is provided with anti-slip threads.
4. The medical syringe detection device according to claim 1, wherein the first clamp roller (3031) and the second clamp roller (3032) are both made of rubber.
5. The medical injector detection device according to claim 1, wherein a positioning disc (101) is fixedly connected to the bottom of the base (1), and positioning holes (1011) are uniformly distributed on the circumference of the positioning disc (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873864.XA CN111964937B (en) | 2020-08-26 | 2020-08-26 | Medical syringe detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873864.XA CN111964937B (en) | 2020-08-26 | 2020-08-26 | Medical syringe detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111964937A CN111964937A (en) | 2020-11-20 |
| CN111964937B true CN111964937B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010873864.XA Expired - Fee Related CN111964937B (en) | 2020-08-26 | 2020-08-26 | Medical syringe detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111964937B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007027878A1 (en) * | 2007-06-18 | 2008-12-24 | Robert Bosch Gmbh | Apparatus and method for removing a sterile article from a sterile package |
| CN105126225A (en) * | 2015-10-21 | 2015-12-09 | 苏州贝尔一峰医疗器械有限公司 | Painless trace anesthetic injector |
| ES1213886Y (en) * | 2018-04-17 | 2018-09-12 | Silvoso Maria Angeles Julia | Measuring container with improved visibility. |
| CN108655981B (en) * | 2018-05-23 | 2019-10-15 | 江苏迈硕医疗科技有限公司 | A kind of fixed equipment detecting injector for medical purpose |
| CN110702321B (en) * | 2019-10-16 | 2020-05-29 | 黑龙江升华医疗器械有限公司 | Medical injector detection device and method |
| CN212748612U (en) * | 2020-08-26 | 2021-03-19 | 青海省药品检验检测院 | Medical syringe detection device |
-
2020
- 2020-08-26 CN CN202010873864.XA patent/CN111964937B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN111964937A (en) | 2020-11-20 |
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Granted publication date: 20220201 |