CN213252484U

CN213252484U - Medicine injection device in joint cavity

Info

Publication number: CN213252484U
Application number: CN202021682614.XU
Authority: CN
Inventors: 闫兆威; 姚鑫
Original assignee: First Affiliated Hospital of Suzhou University
Current assignee: First Affiliated Hospital of Suzhou University
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-25
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a medicine injection device in joint cavity, including the injection main part, the outside of injection main part is provided with unable adjustment base, the injection main part is threaded connection with unable adjustment base, the hole groove has been seted up to unable adjustment base's bottom, the upper end of injection main part is provided with the shell, the outside reservation of shell has the bleeder vent, the bleeder vent symmetry is provided with a plurality ofly, the top of injection main part is provided with the motor, the inboard of injection main part is provided with the injection tube, the outside of injection tube is sliding connection with the inboard of injection main part. This joint intracavity medicine injection device, through the second sleeve along first telescopic inboard downstream, the second sleeve drives the second push pedal downstream, and the first slurcam downstream of second push pedal promotion, first slurcam drive the rubber pad through the catch bar and promote downwards, and the rubber pad drives the medicine and injects out from the syringe needle, has realized the automatic injection to the target, has realized the accurate injection to the target.

Description

Medicine injection device in joint cavity

Technical Field

The utility model relates to an injection equipment technical field specifically is a medicine injection device in articular cavity.

Background

Injection devices are used for medical devices, containers, and scientific instruments in some chromatography, and inject gas through a rubber septum, which will cause air embolism, and the way to remove air from the syringe to avoid embolism is to invert the syringe, tap it gently, and then squeeze a little liquid before injecting into the bloodstream.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medicine injection device in articular cavity to solve the problem that current injection device that above-mentioned background art provided can not carry out the injection to the accurate medicine of target automatically.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a medicine injection device in articular cavity, includes the injection main part, the outside of injection main part is provided with unable adjustment base, the injection main part is threaded connection with unable adjustment base, the hole groove has been seted up to unable adjustment base's bottom, the upper end of injection main part is provided with the shell, the outside of shell is reserved has the bleeder vent, the bleeder vent symmetry is provided with a plurality ofly, the top of injection main part is provided with the motor, the inboard of injection main part is provided with the injection tube, the outside of injection tube is sliding connection with the inboard of injection main part.

Preferably, the bottom of injection cylinder is provided with the syringe needle, the outside and the inboard interconnect of hole groove of syringe needle, the inboard of injection cylinder is provided with the catch bar, injection cylinder and catch bar are sliding connection.

Preferably, the bottom end of the push rod is provided with a rubber pad, the outer side of the rubber pad is in sliding connection with the inner side of the injection cylinder, the upper end of the push rod is fixedly provided with a first push plate, and the outer side of the first push plate is in sliding connection with the inner side of the injection main body.

Preferably, a first sleeve is fixed on the inner side of the injection main body, a second sleeve is arranged on the inner side of the first sleeve, the first sleeve and the second sleeve are in sliding connection, and the length of the first sleeve is the same as that of the second sleeve.

Preferably, the telescopic bottom mounting of second has the second push pedal, the outside of second push pedal is sliding connection with the inboard of injection main part, the telescopic inboard of second is provided with the threaded rod, the upper end of threaded rod and the bottom interconnect of motor, the second sleeve is connected for the lead screw with the threaded rod, the telescopic length of second is the same with the length of threaded rod.

Compared with the prior art, the beneficial effects of the utility model are that: this articular intracavity medicine injection device, place the inboard at the injection tube through the medicine that will join in marriage, slide the catch bar along the rubber pad, slide the syringe needle of rubber pad bottom along the hole groove of unable adjustment base bottom, place the injection tube in the inboard of injection main part, with unable adjustment base along injection main part bottom swivelling joint, the change of the injection tube of being convenient for has been realized, the starter motor drives the threaded rod and rotates, the threaded rod drives second sleeve downstream, the second sleeve downstream along the inboard of first sleeve, the second sleeve drives second push pedal downstream, the first catch plate of second push pedal promotion downstream, first catch plate drives the rubber pad through the catch bar and promotes downwards, the rubber pad drives the medicine and injects out from the syringe needle, realized the autoinjection to the target, realized the accurate injection to the target.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the unfolding structure of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the present invention.

In the figure: 1. an injection main body; 2. a fixed base; 3. a hole groove; 4. a housing; 5. air holes are formed; 6. a motor; 7. an injection tube; 8. a needle head; 9. a push rod; 10. a rubber pad; 11. a first push plate; 12. a first sleeve; 13. a second sleeve; 14. a second push plate; 15. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a medicine injection device in articular cavity, including injection main part 1, the outside of injection main part 1 is provided with unable adjustment base 2, injection main part 1 is threaded connection with unable adjustment base 2, hole groove 3 has been seted up to unable adjustment base 2's bottom, the upper end of injection main part 1 is provided with shell 4, the outside of shell 4 is reserved has bleeder vent 5, bleeder vent 5 symmetry is provided with a plurality ofly, the top of injection main part 1 is provided with motor 6, the inboard of injection main part 1 is provided with injection tube 7, the outside of injection tube 7 is sliding connection with the inboard of injection main part 1.

Further, the bottom of injection tube 7 is provided with syringe needle 8, the outside of syringe needle 8 and the inboard interconnect of hole groove 3, and the inboard of injection tube 7 is provided with catch bar 9, and injection tube 7 is sliding connection with catch bar 9, has realized the promotion to the medicine.

Further, the bottom of catch bar 9 is provided with rubber pad 10, and the outside of rubber pad 10 is sliding connection with the inboard of injection tube 7, and the upper end of catch bar 9 is fixed with first catch plate 11, and the outside of first catch plate 11 is sliding connection with the inboard of injection main part 1, has realized conveniently changing catch bar 9, and is more sanitary.

Further, the inside of injection main body 1 is fixed with first sleeve 12, and the inboard of first sleeve 12 is provided with second sleeve 13, and first sleeve 12 is sliding connection with second sleeve 13, and the length of first sleeve 12 is the same with the length of second sleeve 13, has realized promoting first slurcam 11 through second push pedal 14.

Further, the bottom end of the second sleeve 13 is fixed with a second push plate 14, the outer side of the second push plate 14 is in sliding connection with the inner side of the injection main body 1, the inner side of the second sleeve 13 is provided with a threaded rod 15, the upper end of the threaded rod 15 is connected with the bottom end of the motor 6, the second sleeve 13 is connected with the threaded rod 15 through a screw rod, the length of the second sleeve 13 is the same as that of the threaded rod 15, and automatic and accurate injection is achieved.

The working principle is as follows: through placing the medicine that will join in marriage in the inboard of injection tube 7, with catch bar 9 along rubber pad 10 cunning, slip into syringe needle 8 of rubber pad 10 bottom along the hole groove 3 of 2 bottoms of unable adjustment base, place injection tube 7 in the inboard of injection main part 1, with unable adjustment base 2 along injection main part 1 bottom swivelling joint, the change of the injection tube 7 of being convenient for has been realized, starter motor 6 drives threaded rod 15 and rotates, threaded rod 15 drives second sleeve 13 and moves down, second sleeve 13 moves down along the inboard of first sleeve 12, second sleeve 13 drives second push pedal 14 and moves down, second push pedal 14 promotes first catch plate 11 and moves down, first catch plate 11 drives rubber pad 10 through catch bar 9 and promotes downwards, rubber pad 10 drives the medicine and injects from syringe needle 8, the autoinjection to the target has been realized, accurate injection to the target.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An intra-articular cavity drug injection device comprising an injection body (1), characterized in that: the injection device is characterized in that a fixing base (2) is arranged on the outer side of an injection main body (1), the injection main body (1) is in threaded connection with the fixing base (2), a hole groove (3) is formed in the bottom end of the fixing base (2), a shell (4) is arranged at the upper end of the injection main body (1), air holes (5) are reserved in the outer side of the shell (4), the air holes (5) are symmetrically arranged in a plurality, a motor (6) is arranged at the top end of the injection main body (1), an injection cylinder (7) is arranged on the inner side of the injection main body (1), and the outer side of the injection cylinder (7) is in sliding connection with the inner side of the injection main body.

2. The device according to claim 1, wherein: the bottom of injection tube (7) is provided with syringe needle (8), the outside of syringe needle (8) and the inboard interconnect of hole groove (3), the inboard of injection tube (7) is provided with catch bar (9), injection tube (7) and catch bar (9) are sliding connection.

3. An intra-articular cavity drug injection device according to claim 2, characterized in that: the injection device is characterized in that a rubber pad (10) is arranged at the bottom end of the push rod (9), the outer side of the rubber pad (10) is in sliding connection with the inner side of the injection cylinder (7), a first push plate (11) is fixed at the upper end of the push rod (9), and the outer side of the first push plate (11) is in sliding connection with the inner side of the injection main body (1).

4. The device according to claim 1, wherein: the injection device is characterized in that a first sleeve (12) is fixed on the inner side of the injection main body (1), a second sleeve (13) is arranged on the inner side of the first sleeve (12), the first sleeve (12) is in sliding connection with the second sleeve (13), and the length of the first sleeve (12) is the same as that of the second sleeve (13).

5. The device according to claim 4, wherein: the bottom mounting of second sleeve (13) has second push pedal (14), the outside of second push pedal (14) is sliding connection with the inboard of injection main part (1), the inboard of second sleeve (13) is provided with threaded rod (15), the upper end of threaded rod (15) and the bottom interconnect of motor (6), second sleeve (13) are the lead screw with threaded rod (15) and are connected, the length of second sleeve (13) is the same with the length of threaded rod (15).