CN219001495U

CN219001495U - Injector capable of controlling extraction and injection quantity

Info

Publication number: CN219001495U
Application number: CN202222222359.6U
Authority: CN
Inventors: 文杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-05-12
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a syringe capable of controlling extraction and injection quantity, comprising: the novel needle cylinder comprises a needle cylinder body, a push rod, a first rubber block and a second rubber block, wherein the push rod is nested in the inner wall of the needle cylinder body, the first rubber block is fixedly connected to the right end of the outer wall of the push rod, the second rubber block is fixedly connected to the right end of the outer wall of the first rubber block, a connecting rod is nested in the left end of the inner wall of the second rubber block, and a first limiting rod is arranged at the connecting position of the second rubber block and the connecting rod. Under the work of servo motor, carousel, spout, movable rod and movable block, drive the top horizontal slip of catch bar along the bottom plate, under the connection of connecting rod, first gag lever post and catch bar, drive first rubber piece and second rubber piece and slide along the inner wall of cylinder, realize the purpose of syringe ration extraction rib cartilage granule, make servo motor work, drive first rubber piece and second rubber piece at last and slide along the inner wall of cylinder, realize the purpose of syringe ration injection rib cartilage granule.

Description

Injector capable of controlling extraction and injection quantity

Technical Field

The utility model relates to the technical field of medical and aesthetic instruments, in particular to an injector capable of controlling extraction and injection quantity.

Background

With the development of technology, people are mature in the medical field, a part of people's nose is collapsed, so that the nose is filled with autologous or allogenic tissue or tissue substitutes to raise the outer nose, thereby achieving the surgery for improving the appearance of the nose, and a syringe for filling costal cartilage particles is needed during the surgery.

When the existing injector for filling the costal cartilage particles is used, most of manual operations cannot be performed, the content of the costal cartilage particles cannot be appointed for extraction and injection, the problem that the costal cartilage particles are excessively injected or excessively injected easily occurs in the specific use process, when the costal cartilage particles are excessively injected, the postoperative recovery effect is poor easily, the expected aesthetic degree is influenced, and the secondary compensation injection is caused by excessively injecting the costal cartilage particles, so that the operation is time-consuming, and the economic cost is increased.

Improvements to the above problems are needed to meet market demands.

Disclosure of Invention

The utility model aims to provide an injector capable of controlling extraction and injection quantity, so as to solve the problems that when the existing injector for filling the rib cartilage particles is used, most of manual operations cannot specify the content of the rib cartilage particles, excessive injection or too little injection of the rib cartilage particles easily occurs in the specific use process, the postoperative recovery effect is poor when the rib cartilage particles are excessively injected, the expected aesthetic degree is influenced, secondary compensation injection is caused when the rib cartilage particles are excessively injected, labor and time are wasted, and the economic cost is increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a syringe capable of controlling withdrawal and injection quantity, comprising: the automatic feeding device comprises a needle cylinder, a push rod, a first rubber block and a second rubber block, wherein the push rod is nested in the inner wall of the needle cylinder, the first rubber block is fixedly connected to the right end of the outer wall of the push rod, the second rubber block is fixedly connected to the right end of the outer wall of the first rubber block, a connecting rod is nested in the left end of the inner wall of the second rubber block, a first limit rod is arranged at the connecting position of the second rubber block and the connecting rod, the push rod is fixedly connected to the right end of the outer wall of the connecting rod, the movable block is fixedly connected to the right end of the outer wall of the push rod, the movable rod is nested in the inner wall of the movable block, a sliding groove is formed in the connecting position of the movable block and the movable rod, the outer wall of the movable rod is located on one side of the movable block, one side of the outer wall of the rotary table, which is far away from the movable rod, is fixedly connected with a servo motor, and the bottom plate is fixedly connected to the outer wall of the servo motor.

Preferably, the top edge fixedly connected with braced frame of bottom plate, the top laminating of cylinder has the clamp splice, the top laminating of clamp splice has the threaded rod, the top of clamp splice is located one side fixedly connected with second gag lever post of threaded rod.

Preferably, the central axis of the needle cylinder, the central axis of the push rod, the central axis of the first rubber block and the central axis of the second rubber block are coincident.

Preferably, the pushing rod forms a sliding structure with the bottom plate through the movable block, the movable rod and the sliding groove.

Preferably, the vertical height of the sliding groove is equal to the diameter of the turntable, and the cross section of the sliding groove is O-shaped.

Preferably, the outer wall of the threaded rod is in threaded connection with the inner wall of the top end of the supporting frame, and the supporting frame is nested on the outer wall of the second limiting rod.

Preferably, the second limiting rods are provided with two groups, and the position relation of the two groups of second limiting rods is symmetrically arranged about the clamping blocks.

Compared with the prior art, the utility model has the beneficial effects that:

in summary, under the work of the servo motor, the turntable, the sliding groove, the movable rod and the movable block, the push rod is driven to horizontally slide along the top end of the bottom plate, and under the connection of the connecting rod, the first limiting rod and the push rod, the first rubber block and the second rubber block are driven to slide along the inner wall of the syringe, so that the aim of quantitatively extracting the rib cartilage particles of the syringe is fulfilled, the servo motor is enabled to work, and finally the first rubber block and the second rubber block are driven to slide along the inner wall of the syringe, so that the aim of quantitatively injecting the rib cartilage particles of the syringe is fulfilled; when the injector is used, the first limiting rod is separated from the connecting rod and the push rod, the threaded rod is rotated, so that the threaded rod is separated from the clamping blocks, the two groups of second limiting rods are pulled, the clamping blocks are separated from the needle cylinder, and the purpose of convenient fixing of the injector is achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting part of the needle cylinder of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of the connecting portion of the syringe of the present utility model;

fig. 4 is a schematic diagram of a connection part of the movable block.

In the figure: 1. a needle cylinder; 2. a push rod; 3. a first rubber block; 4. a second rubber block; 5. a connecting rod; 6. a first stop lever; 7. a push rod; 8. a movable block; 9. a movable rod; 10. a chute; 11. a turntable; 12. a servo motor; 13. a bottom plate; 14. a support frame; 15. clamping blocks; 16. a threaded rod; 17. and the second limiting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a syringe capable of controlling withdrawal and injection quantity, comprising: the novel needle cylinder comprises a needle cylinder 1, a push rod 2, a first rubber block 3 and a second rubber block 4, wherein the push rod 2 is nested in the inner wall of the needle cylinder 1, the first rubber block 3 is fixedly connected to the right end of the outer wall of the push rod 2, the second rubber block 4 is fixedly connected to the right end of the outer wall of the first rubber block 3, the connecting rod 5 is nested in the left end of the inner wall of the second rubber block 4, the first limit rod 6 is arranged at the connecting position of the second rubber block 4 and the connecting rod 5, the push rod 7 is fixedly connected to the right end of the outer wall of the connecting rod 5, the movable block 8 is fixedly connected to the right end of the outer wall of the push rod 7, the movable rod 9 is nested in the inner wall of the movable block 8, the sliding groove 10 is arranged at the connecting position of the movable block 8, the rotary table 11 is fixedly connected to one side of the movable rod 9, the servo motor 12 is fixedly connected to one side of the outer wall of the rotary table 11, and the bottom end of the servo motor 12 is fixedly connected to the bottom plate 13.

Further, the top edge fixedly connected with braced frame 14 of bottom plate 13, the laminating of further cylinder 1's top has clamp splice 15, and the laminating of further clamp splice 15's top has threaded rod 16, and the top of further clamp splice 15 is located one side fixedly connected with second gag lever post 17 of threaded rod 16, is favorable to under braced frame 14's support, clamp splice 15 outer wall and cylinder 1 outer wall laminating.

Further, the central axis of the needle cylinder 1, the central axis of the push rod 2, the central axis of the first rubber block and the central axis of the second rubber block 4 are coincident, so that the push rod 2 is beneficial to driving the first rubber block 3 and the second rubber block 4 to slide along the inner wall of the needle cylinder 1, and the aim of quantitatively extracting rib cartilage particles of the injector is fulfilled.

Further, the push rod 7 forms a sliding structure with the bottom plate 13 through the movable block 8, the movable rod 9 and the sliding groove 10, which is beneficial for the movable rod 9 to slide along the inner wall of the sliding groove 10 formed on the outer wall of the movable block 8, and drives the push rod 7 to slide horizontally along the top end of the bottom plate 13, so as to drive the connecting rod 5 to move.

Further, the vertical height of the sliding groove 10 is equal to the diameter of the rotary table 11, and the cross section of the further sliding groove 10 is in an O shape, which is beneficial to the rotation of the rotary table 11 and drives the movable rod 9 to slide along the inner wall of the sliding groove 10 arranged on the outer wall of the movable block 8.

Further, the outer wall of the threaded rod 16 is in threaded connection with the inner wall of the top end of the supporting frame 14, and the supporting frame 14 is nested on the outer wall of the second limiting rod 17, so that the threaded rod 16 can rotate and is separated from the clamping block 15.

Further, the two groups of second limiting rods 17 are arranged, and the two groups of further second limiting rods 17 are symmetrically arranged with respect to the clamping block 15, so that the two groups of second limiting rods 17 are beneficial to limiting the clamping block 15 and prevent the clamping block 15 from deflecting.

Working principle: as shown in fig. 1-4, when the injector with controllable extraction and injection quantity is used, a worker makes a servo motor 12 work to drive a turntable 11 to rotate, so that a movable rod 9 slides along the inner wall of a chute 10 formed on the outer wall of a movable block 8, a push rod 7 is driven to horizontally slide along the top end of a bottom plate 13, a first rubber block 3 and a second rubber block 4 are driven to slide along the inner wall of a needle cylinder 1 under the connection of a connecting rod 5, a first limiting rod 6 and a push rod 2, the aim of quantitatively extracting rib cartilage particles of the injector is realized, a servo motor 12 is made to work, and finally the first rubber block 3 and the second rubber block 4 are driven to slide along the inner wall of the needle cylinder 1, so that the aim of quantitatively injecting the rib cartilage particles of the injector is realized;

when the injector is used, the first limiting rod 6 is separated from the connecting rod 5 and the push rod 2, the threaded rod 16 is rotated, so that the threaded rod 16 is separated from the clamping block 15, and the two groups of second limiting rods 17 are pulled, so that the clamping block 15 is separated from the injector 1, and the purpose of convenient fixing of the injector is realized.

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

Claims

1. A syringe capable of controlling withdrawal and injection quantity, comprising: needle cylinder (1), push rod (2), first rubber piece (3) and second rubber piece (4), a serial communication port, the inner wall nestification of needle cylinder (1) has push rod (2), the outer wall right-hand member fixedly connected with first rubber piece (3) of push rod (2), the outer wall right-hand member fixedly connected with second rubber piece (4) of first rubber piece (3), the inner wall left end nestification of second rubber piece (4) has connecting rod (5), first gag lever post (6) have been seted up to the junction of second rubber piece (4) and connecting rod (5), the outer wall right-hand member fixedly connected with push rod (7) of connecting rod (5), the outer wall right-hand member fixedly connected with movable block (8) of push rod (7), the inner wall nestification of movable block (8) has movable rod (9), spout (10) have been seted up to the junction of movable block (8) and movable rod (9), the outer wall of movable rod (9) is located one side fixedly connected with carousel (11) of movable block (8), the outer wall right-hand member fixedly connected with push rod (7) of connecting rod (8) has servo motor (12), servo motor (12) of outer wall (12) are kept away from to one side.

2. A syringe capable of controlling the amount of extraction and injection as claimed in claim 1, wherein: the top edge fixedly connected with braced frame (14) of bottom plate (13), the top laminating of cylinder (1) has clamp splice (15), the top laminating of clamp splice (15) has threaded rod (16), the top of clamp splice (15) is located one side fixedly connected with second gag lever post (17) of threaded rod (16).

3. A syringe capable of controlling the amount of extraction and injection as claimed in claim 1, wherein: the central axis of the needle cylinder (1), the central axis of the push rod (2), the central axis of the first rubber block and the central axis of the second rubber block (4) are coincident.

4. A syringe capable of controlling the amount of extraction and injection as claimed in claim 1, wherein: the pushing rod (7) forms a sliding structure through the movable block (8), the movable rod (9), the sliding groove (10) and the bottom plate (13).

5. A syringe capable of controlling the amount of extraction and injection as defined in claim 4, wherein: the vertical height of the sliding groove (10) is equal to the diameter of the rotary table (11), and the cross section of the sliding groove (10) is O-shaped.

6. A syringe capable of controlling the amount of extraction and injection as claimed in claim 2, wherein: the outer wall of the threaded rod (16) is in threaded connection with the inner wall of the top end of the supporting frame (14), and the supporting frame (14) is nested on the outer wall of the second limiting rod (17).

7. A syringe capable of controlling the amount of extraction and injection as defined in claim 6, wherein: the second limiting rods (17) are arranged in two groups, and the position relation of the two groups of second limiting rods (17) is symmetrically arranged about the clamping blocks (15).