CN106474604B - Automatic separating device for medical syringe - Google Patents
Automatic separating device for medical syringe Download PDFInfo
- Publication number
- CN106474604B CN106474604B CN201611119115.8A CN201611119115A CN106474604B CN 106474604 B CN106474604 B CN 106474604B CN 201611119115 A CN201611119115 A CN 201611119115A CN 106474604 B CN106474604 B CN 106474604B
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- stator
- groove
- needle
- rolling ball
- roller
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/50—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/50—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
- A61M2005/5006—Having means for destroying the syringe barrel, e.g. by cutting or piercing
Abstract
An automatic separation device for a medical injector belongs to the field of medical instrument auxiliary equipment. The invention aims to provide an automatic separating device for a medical injector, which can mechanically separate a needle head, a pintle and a syringe of a waste injector generated in work. The invention is provided with the following components on the guide rail in sequence: fixed mounting's cutting device, arrange separator on the guide rail through the rail wheel, arrange the year thing car on the guide rail through the walking wheel in, wherein the separator rear side is connected with the dog through reset spring, dog fixed mounting. The invention has simple operation, and the injector can be automatically completed only by reasonably installing the position and correctly operating the key.
Description
Technical Field
The invention belongs to the field of medical auxiliary equipment, and particularly relates to a mechanical device for separating an injector.
Background
In medical activities, medical personnel typically use syringes to administer treatments or blood tests to patients by injecting medication, and the used syringe needles often leave a residue of blood in the patient. When the blood of a patient has infectious diseases, the needle head may become the source of infection of viruses such as AIDS, Ebola and the like. When the used medical syringe is recycled and disposed, virus transmission and infection are easily caused if medical staff operate improperly, and particularly, the needle head part is relatively sharp and is easy to stab. To prevent viral carriage or infection from a puncture wound, the needle must be detached. The prior syringe separation method adopts the separation of a needle cylinder by hands. This type of separation often requires manual instruments or freehand separation without removing the pintle portion of the needle. And easily cause injury to medical personnel, increase psychological burden.
Disclosure of Invention
The invention aims to provide an automatic separating device for a medical injector, which can mechanically separate a needle head, a pintle and a syringe of a waste injector generated in work.
The invention is provided with the following components on the guide rail in sequence: the cutting device is fixedly installed, the separating device is arranged on the guide rail through a rail wheel, and the carrying vehicle is arranged on the guide rail through a travelling wheel, wherein the rear side of the separating device is connected with the stop block through a return spring, and the stop block is fixedly installed;
structure of the cutting device: two sides of a touch plate of the cutting device are provided with cutter limiting grooves, cutters are arranged in the cutter limiting grooves, the touch plate is provided with a honeycomb net, a cutter rack is fixedly arranged on the cutters, and the cutter rack is meshed with a gear on a cutter motor shaft;
structure of the separation apparatus: install cylinder mechanism through the axis in the separator box, cylinder mechanism's structure is: a stator is fixedly arranged on the middle shaft, a spring groove is formed in the stator, one end of the spring is propped against the bottom end of the spring groove, the other end of the spring is propped against the rolling ball, a stator rolling ball groove is formed in the outer edge of the stator, the roller rotor is sleeved outside the stator, a rotor rolling ball groove is formed in one side, in contact with the stator, of the roller rotor, and corresponding to the stator rolling ball groove, rolling balls are arranged in the stator rolling ball groove and the rotor rolling ball groove; the outer edge of the roller rotor is provided with roller teeth; the lower end of the lifting rod is arranged in the separating box, and a tooth socket is arranged on the lifting rod arranged in the separating box and matched with the roller teeth; a V-shaped open slot of a separation baffle is formed on the lifting rod;
the structure of carrying vehicle is: a propelling rack is fixedly arranged on the rear side of the loading vehicle and meshed with a gear on a propelling motor shaft; a needle tube bracket is arranged at one end of the base of the object carrying vehicle through a shaft, an empty cylinder edge clamping groove is formed in the needle tube bracket, a crank mechanism is arranged on a shaft of a needle tube bracket lifting motor, and the top end of the crank mechanism is propped against the lower surface of the needle tube bracket.
A photoelectric sensor is mounted under a touch plate of a cutting device.
The invention is provided with a pressure sensor at the joint of the propelling rack and the loading vehicle.
The upper surface of the needle tube bracket is in an arc shape matched with the needle tube.
The invention is provided with a stop block channel matched with the stop block under the base of the carrier vehicle.
The invention has the beneficial effects that:
1. the operation is simple, the injector can be automatically completed only by reasonably installing the position and correctly operating the key.
2. Safety and sanitation, and medical personnel directly retrieve the syringe needle and handle after the injection process, have reduced medical personnel's psychological burden, have reduced secondary pollution's possibility.
The syringe is divided into a needle head, a pintle and a needle cylinder by the whole separating device, so that the recycling treatment is more convenient for operators. The whole device is small in size and easy to carry.
And the modularized design is adopted, so that the maintenance is convenient.
The efficiency of separating the syringe is improved, and the syringe is more thoroughly separated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cutting apparatus of the present invention;
FIG. 3 is a schematic view A-A of FIG. 2 of the present invention;
FIG. 4 is a schematic view of the separating apparatus of the present invention;
FIG. 5 is a left side view of FIG. 4 of the present invention;
FIG. 6 is a schematic view of the structure of the roller mechanism inside the separating apparatus of the present invention;
FIG. 7 is a schematic view of the present invention carrier vehicle;
FIG. 8 is a left side view (needle cannula holder down configuration) of FIG. 7 of the present invention;
FIG. 9 is a left side view of FIG. 7 (a schematic view of the syringe carrier being pushed up by the crank mechanism) of the present invention.
Detailed Description
The invention is provided with the following components on a guide rail 7 in sequence: the cutting device comprises a fixedly installed cutting device 1, a separating device 2 arranged on a guide rail 7 through a rail wheel, and a carrying vehicle 6 arranged on the guide rail 7 through a travelling wheel 5, wherein the rear side of the separating device 2 is connected with a stop block 4 through a return spring 3, and the stop block 4 is fixedly installed; because cutting device 1, separator 2 and year thing car 6 need the cooperation to work, so the setting of guide rail 7 mainly lets cutting device 1, separator 2 and year thing car 6 can be in the operation on the same orbit, if have other structures can let cutting device 1, separator 2 and year thing car 6 work on the same orbit closely also can replace. The cutting device 1 can also be arranged on the bearing surface of the same plane as the separating device 2 and the carrying vehicle 6, as long as the cutting device 1, the separating device 2 and the carrying vehicle 6 are ensured to be positioned on the same running plane and have too many deviations.
Structure of cutting device 1: the two sides of a touch plate 101 of the cutting device 1 are provided with cutter limiting grooves 103, cutters 104 are arranged in the cutter limiting grooves 103, the parts of the cutters 104 arranged in the limiting grooves are only two sides, so that the cutters 104 can only lift up and down in the grooves conveniently, a honeycomb net 102 is arranged on the touch plate 101, cutter racks 12 are fixedly arranged on the cutters 104, and the cutter racks 12 are meshed with gears on a cutter motor 11 shaft; the lifting operation of the cutter 104 is completed by the cooperation of the cutter rack 12 and the motor 11. The cutting device 1 mainly cuts and separates the needle head and the pintle, the honeycomb net 102 has countless honeycomb holes, so that the needle point and the needle stalk on the needle head can pass through the honeycomb holes, and the pintle on the needle head can be blocked and is cut and separated by the cutter 104.
Structure of the separation device 2: a roller mechanism is arranged in the separation box 211 through a middle shaft 206, and the roller mechanism has the structure that: a stator 212 is fixedly arranged on the middle shaft 206, a spring groove is formed on the stator 212, one end of the spring 203 is propped against the bottom end of the spring groove, the other end of the spring is propped against the rolling ball 201, a stator rolling ball groove 208 is formed in the outer edge of the stator 212, the roller rotor 204 is sleeved outside the stator 212, a rotor rolling ball groove 207 is formed in one side, which is in contact with the stator 212, of the roller rotor 204 corresponding to the stator rolling ball groove 208, and the rolling balls 201 are arranged in the stator rolling ball groove 208 and the rotor rolling ball groove 207; the outer edge of the roller rotor 204 is provided with roller teeth 210; the lower end of the lifting rod 202 is arranged in the separating box 211, a tooth groove 209 is formed in the lifting rod 202 arranged in the separating box 211, and the tooth groove 209 is matched with the roller teeth 210; a V-shaped opening groove 205 for separating the baffle is arranged on the lifting rod 202;
the V-shaped design of the V-shaped opening groove 205 of the separation baffle is to facilitate the insertion of the nipple part of the syringe from above, and to match the optimal position where the front needle point and needle stalk correspond to the honeycomb network 102 as much as possible, so that the height of the lifting rod 202 can be adjusted up and down, the lifting rod 202 is adjusted by a roller mechanism engaged with the lifting rod, the roller mechanism is composed of a rotor and a stator, the rotor rotates and is engaged with the lifting rod, the stator is fixed, but the rotor and the stator are connected by a rolling ball, and cannot easily rotate without applying a large force, and the lifting rod 202 can be lifted only when the external force is greater than the elastic force of the spring 203. The stopper 4 on the rear side of the separating apparatus 2 is provided to limit the advance and retreat of the separating apparatus 2 and prevent the apparatus from being damaged beyond the limit.
The structure of the carrier vehicle 6 is: a pushing rack 8 is fixedly arranged at the rear side of the loading vehicle 6, and the pushing rack 8 is meshed with a gear on a pushing motor 9 shaft; the whole carrier 6 is advanced and retreated through the cooperation of the propelling motor 9 and the propelling rack 8. One end of the carrier vehicle base 603 is provided with a needle tube bracket 606 through a shaft 605, an empty cylinder edge clamping groove 13 is arranged on the needle tube bracket 606, a crank mechanism 601 is arranged on the shaft of the needle tube bracket lifting motor 602, and the top end of the crank mechanism 601 is propped against the lower surface of the needle tube bracket 606. The carrier vehicle 6 mainly carries the empty cylinder and the piston part of the injector, and only contacts with the empty cylinder, the back end of the empty cylinder of the conventional injector has an edge with an outer diameter about the outer diameter of the empty cylinder, the edge is arranged in the empty cylinder edge clamping groove 13, the empty cylinder can clamp the injector along the clamping groove 13, the empty cylinder part of the injector is basically and evenly arranged on the upper surface of the needle tube bracket 606, when the empty cylinder and the piston part of the injector need to be separated from the needle tube bracket, the needle tube bracket 606 can be pushed to be lifted along the shaft 605 only by driving the crank mechanism 601 to extend through the needle tube bracket lifting motor 602, so that the injector can be separated.
A photoelectric sensor 10 is mounted on the lower surface of a touch plate 101 of a cutting device 1. The photoelectric sensor 10 employs an existing limit circuit design for limiting the travel distance of the tool 104.
The invention is provided with a pressure sensor 14 at the joint of the propulsion rack 8 and the loading vehicle 6. This pressure sensor 14 is arranged to limit the distance travelled by the carrier vehicle 6.
The upper surface of the needle cannula holder 606 of the present invention is arcuate in shape to mate with the needle cannula 15. The barrel 15 is the empty part of the syringe. The arcuate design of the upper surface of the needle holder 606 substantially matches the outer edge of the empty barrel portion of the syringe, see fig. 8 and 9, and is slightly larger than a quarter of an arc, one side of which is high to catch and hold the syringe, and the other side is relatively low, but ends slightly above the bottom of the arc, in order to prevent the syringe from rolling off when in a flat position, but under the urging of the crank mechanism, the needle holder 606 is raised up along the shaft 605 so that the side is below the bottom of the arc, allowing the syringe to roll off naturally.
The invention is provided with a block channel 604 matched with a block 4 under a loading vehicle base 603. Dog pathway 604 is provided to prevent dog 4 from stopping the travel of cart 6.
The working process is as follows:
the separation method of the automatic syringe separation device comprises the following steps: the shell is opened, the used medical syringe is placed on the object carrying trolley, the syringe ear (edge) is placed in the shallow groove (hollow cylinder edge clamping groove 13) of the object carrying trolley, and the pintle is placed in the V-shaped groove of the pintle separating device to ensure that the pintle is clamped. The housing is then closed. The pushing motor drives the pushing rack to push the carrying vehicle to move forward, when a needle cylinder on the carrying vehicle contacts the pintle separating device, the needle cylinder can be pushed to move forward together, and when the needle point passes through the honeycomb-shaped small hole and the pintle is pushed onto the touch plate, the carrying vehicle cannot move forward. When the pressure value measured by the pressure sensor on the carrying vehicle exceeds the set pressure value, the propulsion motor stops working, the cutter motor rotates forwards to cut off the needle head, and the needle head falls into the box body. After photoelectric sensor at baffle lower extreme detects the cutter of accomplishing the action, will the signal, the cutter is sent out to move and is reset, carry the step motor reversal of thing car simultaneously, carry the thing car and pull the backward motion of pintle separator when the propulsion motor reversal, touch dog stop motion when pintle separator, carry the thing car still backward motion this moment, then the pintle on the cylinder will be blocked by separation baffle V type open slot 205 and drop under the effect of pulling force, fall into in the special collection box in the casing, then carry the thing car and stop retreating, needle tubing bracket lifting motor 602 works this moment, promote crank mechanism, push up the needle tubing bracket, the messenger has got rid of the syringe needle, the syringe empty section of thick bamboo part of pintle breaks away from and carries the thing car.
Claims (5)
1. An automatic separation device for a medical injector is characterized in that: the guide rail (7) is sequentially provided with: the cutting device comprises a fixedly installed cutting device (1), a separating device (2) arranged on a guide rail (7) through a rail wheel, and a carrying vehicle (6) arranged on the guide rail (7) through a travelling wheel (5), wherein the rear side of the separating device (2) is connected with a stop block (4) through a return spring (3), and the stop block (4) is fixedly installed;
structure of cutting device (1): two sides of a touch plate (101) of the cutting device (1) are provided with cutter limiting grooves (103), cutters (104) are arranged in the cutter limiting grooves (103), the touch plate (101) is provided with a honeycomb net (102), cutter racks (12) are fixedly arranged on the cutters (104), and the cutter racks (12) are meshed with gears on a cutter motor (11) shaft;
structure of the separation device (2): a roller mechanism is arranged in the separation box (211) through a middle shaft (206), and the roller mechanism has the structure that: a stator (212) is fixedly installed on the middle shaft (206), a spring groove is formed in the stator (212), one end of a spring (203) is abutted to the bottom end of the spring groove, the other end of the spring is abutted to the rolling ball (201), a stator rolling ball groove (208) is formed in the outer edge of the stator (212), the roller rotor (204) is sleeved outside the stator (212), a rotor rolling ball groove (207) is formed in one side, which is in contact with the stator (212), of the roller rotor (204) and corresponds to the stator rolling ball groove (208), and rolling balls (201) are arranged in the stator rolling ball groove (208) and the rotor rolling ball groove (207); the outer edge of the roller rotor (204) is provided with roller teeth (210); the lower end of the lifting rod (202) is arranged in the separating box (211), a tooth groove (209) is formed in the lifting rod (202) arranged in the separating box (211), and the tooth groove (209) is matched with the roller teeth (210); a V-shaped opening groove (205) of a separation baffle is formed on the lifting rod (202);
the structure of the loading vehicle (6) is as follows: a propelling rack (8) is fixedly arranged at the rear side of the carrying vehicle (6), and the propelling rack (8) is meshed with a gear on a shaft of a propelling motor (9); one end of the carrier vehicle base (603) is provided with a needle tube bracket (606) through a shaft (605), an empty cylinder edge clamping groove (13) is arranged on the needle tube bracket (606), a crank mechanism (601) is arranged on the shaft of the needle tube bracket lifting motor (602), and the top end of the crank mechanism (601) is propped against the lower surface of the needle tube bracket (606).
2. The automatic separation device for a medical injector according to claim 1, wherein: a photoelectric sensor (10) is mounted on the lower surface of a touch plate (101) of a cutting device (1).
3. The automatic separation device for a medical injector according to claim 1, wherein: a pressure sensor (14) is arranged at the joint of the propulsion rack (8) and the loading vehicle (6).
4. The automatic separation device for a medical injector according to claim 1, wherein: the upper surface of the needle holder (606) is curved to match the needle (15).
5. The automatic separation device for a medical injector according to claim 1, wherein: a block channel (604) matched with the block (4) is arranged below the loading vehicle base (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119115.8A CN106474604B (en) | 2016-12-08 | 2016-12-08 | Automatic separating device for medical syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119115.8A CN106474604B (en) | 2016-12-08 | 2016-12-08 | Automatic separating device for medical syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106474604A CN106474604A (en) | 2017-03-08 |
| CN106474604B true CN106474604B (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119115.8A Active CN106474604B (en) | 2016-12-08 | 2016-12-08 | Automatic separating device for medical syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106474604B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350297A (en) * | 2018-11-07 | 2019-02-19 | 浙江康瑞器械科技股份有限公司 | Intelligent animal doctor's automatic injector |
| CN110663672B (en) * | 2019-11-13 | 2024-04-26 | 南京林业大学 | Thread-driven root pesticide application head |
| CN111214730B (en) * | 2020-01-08 | 2021-09-24 | 重庆医科大学附属永川医院 | Rotary type syringe destroying device |
| CN113578922B (en) * | 2021-07-27 | 2022-06-03 | 青岛市中心医院 | Medical abandonment syringe needle tubing separator |
| CN114309009B (en) * | 2021-12-23 | 2023-07-07 | 南京市淑先科技有限公司 | Be used for old and useless needle tubing treatment facility of medical article |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153419Y (en) * | 1993-05-12 | 1994-01-19 | 北京海淀航特机电设备公司 | Disposable medical utensil destroying machine |
| CN2451131Y (en) * | 2000-10-09 | 2001-10-03 | 武汉丽辉新技术有限公司 | Injector damage device |
| US6421898B1 (en) * | 2001-04-12 | 2002-07-23 | David Tsai | Device for separating a needle from a used syringe |
| CN2542260Y (en) * | 2002-04-05 | 2003-04-02 | 富求达医疗器材科技股份有限公司 | Syringe needle separator for recovery |
| KR101249725B1 (en) * | 2012-09-10 | 2013-04-03 | 홍기근 | Device for seperating and processing needle |
| GB2519930A (en) * | 2013-07-24 | 2015-05-13 | Needlesmart Holdings Ltd | Hypodermic needle destruction |
| CN206508352U (en) * | 2016-12-08 | 2017-09-22 | 吉林大学 | Injector for medical purpose automatic separating apparatus |
-
2016
- 2016-12-08 CN CN201611119115.8A patent/CN106474604B/en active Active
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| Publication number | Publication date |
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| CN106474604A (en) | 2017-03-08 |
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