CN218870980U

CN218870980U - Quantitative medicine injection device

Info

Publication number: CN218870980U
Application number: CN202320102629.1U
Authority: CN
Inventors: 李果; 路小寒
Original assignee: Xian International Medical Center Co Ltd
Current assignee: Xian International Medical Center Co Ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-04-18
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a ration injection device belongs to anesthesia technical field, aims at solving current injection device and though can realize the function of injection when using, but injection device's internal capacity is fixed, and inconvenient quantitative injection and extraction are carried out to the narcotic drug, need the medicine volume of manual observation extraction, the not good problem of practicality. Through the observation window, the scale mark, the external screw thread section, the internal thread, the control tube, the rubber tube, the push rod, the setting of piston and ejector pad, can be when injecting anesthetic, the anesthetic dosage that injects as required rotates the control tube, utilize the internal thread to change the position of control tube on the external screw thread section, the control tube corresponds with the scale mark that corresponds the capacity on the observation window when can make the intraductal capacity of capacity unanimous with the anesthetic dosage that needs to inject, the rubber tube plays further sealed effect, can utilize the push rod after the regulation is accomplished, the quantitative injection is realized to piston and ejector pad, and can realize the quantitative extraction to anesthetic.

Description

Quantitative medicine injection device

Technical Field

The utility model relates to an anesthesia technical field specifically is a quantitative injection device.

Background

The anesthesia treatment is a surgical treatment which is performed by temporarily losing the feeling of the whole or part of a patient by using a medicine or other methods so as to achieve the purpose of no pain. During anesthesia, an injection device is required to slowly inject the anesthetic agent into the patient.

Although the existing injection device can realize the injection function when in use, the internal capacity of the injection device is fixed, the anesthetic is inconvenient to be injected and extracted quantitatively, the extracted dose needs to be observed manually, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

In view of the problem that exists among the prior art, the utility model discloses a quantitative injection device, the technical scheme of adoption is, including volumetric tube and play medicine mouth, the one end of volumetric tube is provided with out the medicine mouth, goes out the medicine mouth and is used for discharging anesthesia medicament, the front of volumetric tube is provided with the observation window, be provided with the scale mark on the observation window, through the setting of observation window and scale mark, can conveniently look over the intraductal capacity of capacity after the regulation, the other end of volumetric tube is provided with the external screw thread section, threaded connection has the control tube on the external screw thread section, through the setting of external screw thread section and control tube, can adjust the intraductal capacity of capacity through changing the position of control tube on the external screw thread section, the one end fixedly connected with connection piece that the volumetric tube was kept away from to the control tube can conveniently rotate the control tube through the setting of connection piece, one side of connection piece lies in the inside fixedly connected with rubber tube of control tube, through the setting of rubber tube, can make things convenient for the piston, play further sealed effect simultaneously, the internal connection of rubber tube has the push rod, the one end fixedly connected with the piston of push rod, the setting of push rod, can push away from the medicine through the medicine piece, can realize pushing away from the anesthetic injection piece.

As the utility model discloses a preferred technical scheme, the external diameter of external screw thread section is greater than the external diameter of capacity pipe, the length of control tube is greater than the length of rubber tube, the piston is close to one side parallel and level of capacity pipe with the control tube, and the piston can be taken in the capacity pipe inside.

As a preferred technical scheme of the utility model, set up the cavity with external screw thread section wall thickness looks adaptation between the inner wall of control tube and the surface of rubber tube, through the setting of cavity, can avoid the inner wall and the friction of volumetric pipe outer wall of control tube when rotating the control tube.

As a preferred technical scheme of the utility model, the inner wall of control tube is seted up there is the internal thread, internal thread and external screw thread section threaded connection through the internal screw thread setting, can conveniently rotate the control tube to change the position of control tube on external screw thread section.

As a preferred technical scheme of the utility model, the surface of connection piece is provided with anti-skidding line, through the setting of anti-skidding line, can improve the stability when rotating the connection piece.

The utility model has the advantages that: the utility model discloses an observation window, the scale mark, the external screw thread section, the internal thread, the control tube, the rubber tube, the push rod, the setting of piston and ejector pad, can be when injecting anesthetic, the anesthetic dosage of injecting as required rotates the control tube, utilize the internal thread to change the position of control tube on the external screw thread section, the dial mark that corresponds capacity on control tube and observation window corresponds the time can make the intraduct capacity of capacity unanimous with the anesthetic dosage that needs the injection, the rubber tube plays further sealed effect, can utilize the push rod after the regulation is accomplished, piston and ejector pad realize the ration injection, and can realize the ration extraction to anesthetic.

Drawings

FIG. 1 is a schematic view of the structure of the present invention in an unregulated state;

FIG. 2 is a schematic view of a cross-sectional structure of the volume-unregulated state of the present invention;

FIG. 3 is a schematic view of the structure of the present invention in a capacity-adjusted state;

FIG. 4 is a schematic view of the cross-sectional structure of the volume-adjusted state of the present invention;

FIG. 5 is a schematic view of the detachable structure of the present invention;

fig. 6 is a schematic view of the main sectional structure in a disassembled state.

In the figure: 1. a volumetric tube; 2. a medicine outlet; 3. an observation window; 4. scale marks; 5. an external threaded section; 6. an adjusting tube; 7. connecting sheets; 8. a rubber tube; 9. a push rod; 10. a piston; 11. pushing a block; 12. a cavity; 13. an internal thread; 14. and (4) anti-skid lines.

Detailed Description

Example 1

As shown in fig. 1 to 6, the utility model discloses a quantitative medicine injection device, which adopts the technical proposal that the device comprises a volumetric tube 1 and a medicine outlet 2, one end of the volumetric tube 1 is provided with the medicine outlet 2, in order to change the capacity in the volumetric tube 1 conveniently, the other end of the volumetric tube 1 is provided with an external thread section 5, the external thread section 5 is in threaded connection with an adjusting tube 6, the inner wall of the adjusting tube 6 is provided with an internal thread 13, the internal thread 13 is in threaded connection with the external thread section 5, one end of the adjusting tube 6 far away from the volumetric tube 1 is fixedly connected with a connecting piece 7 with an anti-skid thread 14, one side of the connecting piece 7 is positioned inside the adjusting tube 6 and is fixedly connected with a rubber tube 8 for sealing, the adjusting tube 6 can be rotated by utilizing the connecting piece 7, and the position of the adjusting tube 6 on the external thread section 5 is changed, thereby adjusting the volume inside the volumetric tube 1, in order to prevent the internal thread 13 from scratching the outer wall of the volumetric tube 1, a cavity 12 matched with the wall thickness of the external thread section 5 is arranged between the inner wall of the adjusting pipe 6 and the outer surface of the rubber pipe 8, so that the inner capacity of the adjusted capacity pipe 1 can be conveniently checked, an observation window 3 is arranged on the front surface of the volumetric tube 1, and scale marks 4 are arranged on the observation window 3, so that in order to extrude the anesthetic after the volume of the volumetric tube 1 is adjusted, the inside swing joint at rubber tube 8 has push rod 9, and the one end fixedly connected with piston 10 of push rod 9, the other end of push rod 9 are provided with ejector pad 11, and the external diameter of external screw thread section 5 is greater than the external diameter of volumetric tube 1 in addition, and the length of adjusting tube 6 is greater than the length of rubber tube 8, and piston 10 and adjusting tube 6 are close to one side parallel and level of volumetric tube 1, promote ejector pad 11, drive push rod 9 and piston 10 and remove, can extrude anesthetic from medicine outlet 2.

The utility model discloses a theory of operation: when the injection device is used, firstly, according to the quantity of anesthetic to be injected, the adjusting tube 6 is rotated by the anti-skidding threads 14 on the connecting piece 7, the adjusting tube 6 rotates with the external thread section 5 through the internal threads 13, the adjusting tube 6 moves along the direction of the external thread section 5, when the adjusting tube 6 corresponds to the scale mark 4 with the corresponding volume on the observation window 3, the volume inside the volumetric tube 1 can be consistent with the quantity of the anesthetic to be injected, at the moment, the piston 10 can be pushed to the leftmost end inside the volumetric tube 1 by the pushing block 11 and the pushing rod 9, the anesthetic can be extracted by pulling the pushing block 11 again, when the piston 10 is in contact with the rubber tube 8, the quantity of the anesthetic to be injected can be obtained, and finally, the anesthetic can be injected from the anesthetic outlet 2 by pushing the pushing block 11.

The mechanical connection of the present invention is a conventional means used by those skilled in the art, and can be suggested by a limited number of tests, which belong to the common knowledge.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides a ration injection device, includes volumetric tube (1) and goes out medicine mouth (2), the one end of volumetric tube (1) is provided with out medicine mouth (2), its characterized in that: the front of capacity pipe (1) is provided with observation window (3), be provided with scale mark (4) on observation window (3), the other end of capacity pipe (1) is provided with external screw thread section (5), threaded connection has control tube (6) on external screw thread section (5), one end fixedly connected with connection piece (7) of capacity pipe (1) are kept away from in control tube (6), one side of connection piece (7) is located inside fixedly connected with rubber tube (8) of control tube (6), the inside swing joint of rubber tube (8) has push rod (9), the one end fixedly connected with piston (10) of push rod (9), the other end of push rod (9) is provided with ejector pad (11).

2. A dosing device as claimed in claim 1, wherein: the external diameter of external screw thread section (5) is greater than the external diameter of capacity pipe (1), the length of adjusting pipe (6) is greater than the length of rubber tube (8), piston (10) and one side parallel and level that adjusting pipe (6) are close to capacity pipe (1).

3. A dosing device as claimed in claim 1, wherein: and a cavity (12) matched with the wall thickness of the external thread section (5) is formed between the inner wall of the adjusting pipe (6) and the outer surface of the rubber pipe (8).

4. A dosing device as claimed in claim 1, wherein: an internal thread (13) is formed in the inner wall of the adjusting pipe (6), and the internal thread (13) is in threaded connection with the external thread section (5).

5. A dosing device as claimed in claim 1, wherein: the outer surface of the connecting piece (7) is provided with anti-skidding lines (14).