CN212187348U

CN212187348U - Local anesthesia injection device for orthopedic clinical operation

Info

Publication number: CN212187348U
Application number: CN201821833742.2U
Authority: CN
Inventors: 张国瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2020-12-22
Anticipated expiration: 2028-11-08

Abstract

The utility model relates to the technical field of medical equipment, and a local anesthesia injection device is used in clinical operation of orthopedics is disclosed, including openly being carved with the valve of graduated cylinder, one end and cylinder intercommunication and one side and cylinder fixed connection's inflator, the positive one end intercommunication of cylinder has the feed liquor pipe, the top screw thread of feed liquor pipe has cup jointed sealed lid, the one end intercommunication of cylinder bottom has the air duct, one side intercommunication that the cylinder was kept away from to the valve has the infusion hose, the one end intercommunication of infusion hose has the adapter, the syringe needle has been cup jointed in the one end activity of adapter. This local anesthesia injection device for orthopedic clinical operation uses through the cooperation of inflator, air duct, infusion hose, first check valve, second check valve and piston for the anesthetic accessible air pressure difference's in the cylinder mode loops through infusion hose, adapter and syringe needle and impresses the human body, and can not lead to the fact the influence to the feed volume of anesthetic when the device rocks.

Description

Local anesthesia injection device for orthopedic clinical operation

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a local anesthesia injection device for clinical orthopedic surgery.

Background

Need use anesthesia injection device to carry out local anesthesia to patient's operation position before the clinical operation of orthopedics, among the current anesthesia injection device, the anesthetic is injected by the mode that the piston promoted to impress, because anesthetic diffusion rate is slow and need inject many times, when medical personnel handheld syringe injected, when promoting the piston rod, hand stability was relatively poor, and the feed amount is wayward, can appear rocking, increases patient's misery.

SUMMERY OF THE UTILITY MODEL

The utility model provides an orthopedics is local anesthesia injection device for clinical operation, possess that anesthetic feed volume is easy to control, injection device rock can not cause advantages such as influence to the injection, solved the problem that the background art provided.

The utility model provides a following technical scheme: the local anesthesia injection device for the orthopedic clinical operation comprises a needle cylinder with scales on the front surface, a valve with one end communicated with the needle cylinder and an air cylinder with one side fixedly connected with the needle cylinder, wherein a liquid inlet pipe is communicated with one end of the front surface of the needle cylinder, a sealing cover is sleeved on the top end of the liquid inlet pipe in a threaded manner, an air guide pipe is communicated with one end of the bottom of the needle cylinder, an infusion hose is communicated with one side, away from the needle cylinder, of the valve, an adapter is communicated with one end of the infusion hose, and a needle head is movably sleeved on one end of the;

the one end of inflator bottom has first check valve through the switching pipe intercommunication, the bottom of first check valve and the one end intercommunication of air duct, the one end at inflator top has the second check valve through the switching pipe intercommunication, the piston has been cup jointed in the inside activity of inflator, the inside cover that the inflator is located piston one side is equipped with the spring, one side screw thread that the cylinder was kept away from to the inflator has cup jointed the cover, fixedly connected with auxiliary frame on the outer wall of cover, the middle part common activity that one side of piston was kept away from to cover and auxiliary frame has cup jointed the push rod, and the other end of push rod cup joints with the inside of piston is fixed.

Preferably, one end of the needle cylinder, which is far away from the air cylinder, is provided with an external thread, and the needle cylinder is connected with the internal thread at one end of the air cylinder through the external thread.

Preferably, the bottom of adapter intercommunication has the outlet duct that inside was provided with the liquid-proof layer.

Preferably, the first one-way valve and the second one-way valve are both one-way vent valves, and the top of the second one-way valve is communicated with an air inlet pipe of which the top end is provided with a filter layer.

Preferably, the space inside the auxiliary frame is larger than the size of a palm of a normal person.

Preferably, one end of the push rod is provided with a handle.

The utility model discloses possess following beneficial effect:

1. this local anesthesia injection device for orthopedic clinical operation uses through the cooperation of inflator, air duct, infusion hose, first check valve, second check valve and piston for the anesthetic accessible air pressure difference's in the cylinder mode loops through infusion hose, adapter and syringe needle and impresses the human body, and can not lead to the fact the influence to the feed volume of anesthetic when the device rocks.

2. This local anesthesia injection device for orthopedic clinical operation uses through the cooperation of spring, auxiliary frame and push rod for the manual handle of pressing on the push rod just can provide the air pressure difference for impressing of anaesthetic in the cylinder, and the piston passes through the spring and can automatic re-setting, the injection of the anaesthetic of being convenient for.

Drawings

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

FIG. 2 is a schematic side view of the liquid inlet pipe of the present invention;

fig. 3 is a schematic view of the auxiliary frame of the present invention.

In the figure: 1. a needle cylinder; 2. a valve; 3. an air cylinder; 4. a liquid inlet pipe; 5. a sealing cover; 6. an air duct; 7. a flexible infusion tube; 8. an adapter; 9. a needle head; 10. a first check valve; 11. a second one-way valve; 12. a piston; 13. a spring; 14. a cylinder cover; 15. an auxiliary frame; 16. a push 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.

As shown in fig. 1-3, a local anesthesia injection device for orthopedic clinical operation comprises a needle cylinder 1 with scales on the front surface, a valve 2 with one end communicated with the needle cylinder 1, and an air cylinder 3 with one side fixedly connected with the needle cylinder 1, wherein one end of the front surface of the needle cylinder 1 is communicated with a liquid inlet pipe 4, a sealing cover 5 is sleeved on the top end of the liquid inlet pipe 4 in a threaded manner, one end of the bottom of the needle cylinder 1 is communicated with an air duct 6, one side of the valve 2 away from the needle cylinder 1 is communicated with an infusion hose 7, one end of the infusion hose 7 is communicated with an adapter 8, and one end of the adapter 8 is movably;

the one end of inflator 3 bottom is through the adapter tube intercommunication have first check valve 10, the bottom of first check valve 10 and the one end intercommunication of air duct 6, the one end at inflator 3 top is through the adapter tube intercommunication have second check valve 11, the inside activity of inflator 3 has cup jointed piston 12, the inside cover that inflator 3 is located piston 12 one side is equipped with spring 13, one side screw thread that syringe 1 was kept away from to inflator 3 has cup jointed cover 14, fixedly connected with auxiliary frame 15 on the outer wall of cover 14, the middle part common activity of one side that piston 12 was kept away from to cover 14 and auxiliary frame 15 has cup jointed push rod 16, and the other end of push rod 16 and the inside fixed cup joint of piston 12.

An external thread is arranged at one end of the needle cylinder 1 far away from the air cylinder 3, and the needle cylinder 1 is in threaded connection with the inside of one end of the air cylinder 3 through the arranged external thread;

the bottom of the adapter 8 is communicated with an air outlet pipe with a liquid-isolating layer arranged inside, and the air outlet pipe is used for enabling gas to flow out through the liquid-isolating layer after the anesthetic is injected, so that continuous pressing caused by the fact that the allowance of the anesthetic in the device is not observed when an operator injects the anesthetic is prevented, and the gas in the device is prevented from entering a human body and causing harm to the human body;

the first one-way valve 10 and the second one-way valve 11 are both one-way vent valves, the top of the second one-way valve 11 is communicated with an air inlet pipe of which the top end is provided with a filter layer, the conversion of air in the air cylinder 3 can be realized to generate air pressure difference by the matching use of the first one-way valve 10 and the second one-way valve 11, the external air is pressed into the needle cylinder 1, and the injection of anesthetic can be completed;

the space size of the inner side of the auxiliary frame 15 is larger than the size of a palm of a normal person, and the auxiliary frame 15 is utilized to enable the handle to be convenient for pressing the piston 12 and continuously pressing the handle;

the push rod 16 is provided at one end with a knob by which the piston 12 is pressed so that the gas in the gas cylinder 3 can be introduced into the cylinder 1.

When the device is used, the sealing cover 5 is opened and is vertically taken up through the auxiliary frame 15, anesthetic is added into the needle cylinder 1 through the liquid inlet pipe 4, the sealing cover 5 is screwed to open the valve 2, the handle on the push rod 16 is manually pressed, gas in the gas cylinder 3 sequentially enters the needle cylinder 1 through the first one-way valve 10 and the gas guide pipe 6, the handle piston 12 is loosened to be in an initial state under the action of the spring 13, meanwhile, the gas enters the gas cylinder 3 through the second one-way valve 11, the handle is continuously pressed, so that external gas is pressed into the needle cylinder 1 through the second one-way valve 11 and the piston 12, the pressure in the needle cylinder 1 reaches a certain time, the anesthetic flows into the needle 9 through the valve 2, the infusion hose 7 and the adapter 8, the pressing is stopped when the anesthetic flows out from the needle 9, the needle 9 is inserted into a part of a patient to be operated, the handle is continuously pressed, and the feeding amount of the anesthetic is observed through the, the device is in vertical state always when guaranteeing the device injection, and need observe the surplus of anaesthetic in the cylinder 1 during the injection, when operating personnel injection when the surplus of anaesthetic in the device is continuously pressed because of not observing, the liquid barrier in the gaseous accessible outlet duct of adapter 8 of impressing runs out, avoids the gaseous entering human body in the device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides an orthopedics clinical operation is with local anesthesia injection device, includes openly be carved with valve (2) and one side and syringe (1) fixed connection's inflator (3) of syringe (1), one end and syringe (1) intercommunication, its characterized in that: the syringe is characterized in that one end of the front surface of the syringe (1) is communicated with a liquid inlet pipe (4), a sealing cover (5) is sleeved at the top end of the liquid inlet pipe (4) in a threaded manner, one end of the bottom of the syringe (1) is communicated with an air guide pipe (6), one side, away from the syringe (1), of the valve (2) is communicated with an infusion hose (7), one end of the infusion hose (7) is communicated with an adapter (8), one end of the adapter (8) is movably sleeved with a needle head (9), one end of the bottom of the inflator (3) is communicated with a first one-way valve (10) through an adapter pipe, and the bottom of the first one-way valve (10) is communicated with one end of;

the one end at inflator (3) top has second check valve (11) through the adapter tube intercommunication, piston (12) have been cup jointed in the inside activity of inflator (3), the inside cover that inflator (3) are located piston (12) one side is equipped with spring (13), one side screw thread that cylinder (3) kept away from cylinder (1) has cup jointed cover (14), fixedly connected with auxiliary frame (15) on the outer wall of cover (14), push rod (16) have been cup jointed in the middle part common activity of one side that piston (12) were kept away from in cover (14) and auxiliary frame (15), and the other end of push rod (16) and the inside fixed of piston (12) cup joint.

2. The local anesthetic injection apparatus for clinical surgery in orthopedics according to claim 1, further comprising: an external thread is arranged at one end, far away from the air cylinder (3), of the needle cylinder (1), and the needle cylinder (1) is connected with the internal thread at one end of the air cylinder (3) through the arranged external thread.

3. The local anesthetic injection apparatus for clinical surgery in orthopedics according to claim 1, further comprising: the bottom of adapter (8) intercommunication has the outlet duct that inside was provided with the liquid separation layer.

4. The local anesthetic injection apparatus for clinical surgery in orthopedics according to claim 1, further comprising: the first one-way valve (10) and the second one-way valve (11) are both one-way vent valves, and the top of the second one-way valve (11) is communicated with an air inlet pipe of which the top end is provided with a filter layer.

5. The local anesthetic injection apparatus for clinical surgery in orthopedics according to claim 1, further comprising: the space size of the inner side of the auxiliary frame (15) is larger than the size of a palm of a normal person.

6. The local anesthetic injection apparatus for clinical surgery in orthopedics according to claim 1, further comprising: one end of the push rod (16) is provided with a handle.