CN215460233U

CN215460233U - Syringe for local anesthesia in operation of anesthesia department in hospital

Info

Publication number: CN215460233U
Application number: CN202121417571.7U
Authority: CN
Inventors: 吴静; 斯坎带尔·吾守尔; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-11
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses an injector for local anesthesia in operations of hospital anesthesia department, which comprises an injection tube, wherein scales are arranged on the front surface of the injection tube, supporting plates are arranged at the bottoms of two ends of the injection tube, push-pull plates are arranged at the center positions of the two ends of the injection tube, a fixed tube is arranged on the outer surface of the top of the injection tube in a threaded manner, and limiting plates are arranged at the tops of the two ends of the fixed tube. According to the utility model, a finger is buckled in the circular hole in the push-pull plate to facilitate medical staff to take the injection tube, the fixed cylinder is connected with the injection tube through threads and is clamped into the clamping groove on the needle head through the clamping block, so that the needle head is conveniently fixed to prevent the needle head from falling off, the limiting plate can be attached to the skin to play a certain limiting role, the injection tube can be prevented from shaking left and right, the movable rod, the limiting block and the second spring are matched for use, the rubber plug can be limited to a certain extent, and the situation that the liquid medicine flows out due to the fact that the rubber plug is separated in the liquid medicine extracting process is prevented.

Description

Syringe for local anesthesia in operation of anesthesia department in hospital

Technical Field

The utility model relates to the technical field of local anesthesia in operations of anesthesia departments in hospitals, in particular to a syringe for local anesthesia in operations of anesthesia departments in hospitals.

Background

The syringe is a common medical appliance, and the process of extracting and injecting gas or liquid by using a needle is called injection, and the syringe consists of a syringe barrel with a small hole at the front end and a matched piston core rod and is used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, wherein the small hole at the front end of the syringe barrel sucks the liquid or the gas when the core rod is extracted, and the liquid or the gas is extruded when the core rod is pushed in.

Along with medical technology's development, often can use the syringe to carry out the local anesthesia operation for patient earlier when patient's operation, current syringe can not play fine limiting displacement, patient after injecting some anesthetic, probably can appear shaking because the body condition reflects, lead to the syringe needle to rock and cause patient discomfort, and the syringe needle is detained on the liquid outlet at injection tube top mostly, it is firm inadequately to install, patient's skin shrink leads to the syringe needle to drop easily, inconvenient medical personnel use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a syringe for local anesthesia in a hospital anesthesia department operation, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a syringe for local anesthesia of hospital's department of anesthesia operation, includes the injection tube, the front of injection tube is provided with the scale, the backup pad is installed to the bottom at injection tube both ends, the central point at injection tube both ends puts and installs the push-and-pull board, the surface threaded mounting at injection tube top has the solid fixed cylinder, the limiting plate is installed at the top at solid fixed cylinder both ends, the internal surface slidable mounting of injection tube has the rubber buffer, the central point of rubber buffer bottom puts and installs the core bar, the one end that the core bar kept away from the rubber buffer is installed and is pressed the board, the one end that the backup pad top is close to the injection tube is installed the fixed plate, the both ends that the solid fixed cylinder is close to the injection tube all are seted up flutedly, the internally mounted of recess has first spring, the fixture block is installed to the one end that recess was kept away from to first spring, the central point at injection tube top puts and installs the syringe needle, the internal surface slidable mounting of fixed plate has the movable rod, the stopper is installed to the inside one end that the movable rod extends to the injection tube, the movable rod is kept away from the one end of stopper and is installed and press the briquetting, the movable rod is close to the surface cover that presses the briquetting and is equipped with the second spring.

Preferably, a circular through hole is formed in the push-pull plate.

Preferably, the outer surface of the needle head is provided with a clamping groove corresponding to the clamping block in position and matched with the clamping block in size, the fixed cylinder is internally provided with a through hole corresponding to the needle head in position and matched with the needle head in size, and the top of the needle head penetrates through the through hole in the fixed cylinder and extends to the top of the fixed cylinder.

Preferably, the diameter of the pressing plate is larger than the inner diameter of the injection cylinder, and a sliding hole which corresponds to the position of the limiting block and is matched with the limiting block in size is formed in the injection cylinder.

Preferably, the top of the injection tube is provided with a liquid outlet communicated with the inside of the needle head.

Preferably, the limiting block is not in contact with the outer surface of the core rod, and two ends of the second spring are connected with the outer surfaces of the fixing plate and the pressing block.

Compared with the prior art, the utility model provides a syringe for local anesthesia in a hospital anesthesia department operation, which has the following beneficial effects: the finger is detained and is made things convenient for medical personnel to take the injection tube in the round hole of push-and-pull board inside, a solid fixed cylinder passes through the screw thread and is connected with the injection tube, go into the draw-in groove on the syringe needle through the fixture block card, make things convenient for solid fixed syringe needle to prevent that the syringe needle from dropping, the limiting plate can laminate skin and play certain limiting displacement, can prevent to rock about the injection tube, through the movable rod, the stopper is pressed the cooperation of briquetting and second spring and is used, can play certain limiting displacement to the rubber buffer, prevent at the extraction liquid medicine in-process, the rubber buffer is deviate from and is caused the liquid medicine to flow.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of FIG. 1 at B.

In the figure: 1. an injection tube; 2. calibration; 3. a support plate; 4. a push-pull plate; 5. a fixed cylinder; 6. a limiting plate; 7. a rubber plug; 8. a core bar; 9. a pressing plate; 10. a fixing plate; 11. a groove; 12. a first spring; 13. a clamping block; 14. a needle head; 15. a movable rod; 16. a limiting block; 17. a pressing block; 18. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: an injector for local anesthesia in operations of anesthesia departments in hospitals comprises an injection tube 1, scales 2 are arranged on the front surface of the injection tube 1, supporting plates 3 are arranged at the bottoms of two ends of the injection tube 1, push-pull plates 4 are arranged at the central positions of the two ends of the injection tube 1, a fixed tube 5 is arranged on the outer surface of the top of the injection tube 1 in a threaded manner, limiting plates 6 are arranged at the tops of the two ends of the fixed tube 5, a rubber plug 7 is arranged on the inner surface of the injection tube 1 in a sliding manner, a core rod 8 is arranged at the central position of the bottom of the rubber plug 7, a pressing plate 9 is arranged at one end, far away from the rubber plug 7, of the core rod 8, a fixing plate 10 is arranged at one end, close to the injection tube 1, of the top of the supporting plate 3, grooves 11 are formed at two ends, close to the injection tube 1, of the fixed tube 5, first spring 12 is arranged inside the grooves 11, a clamping block 13 is arranged at one end, a needle 14 is arranged at the central position, far away from the grooves 11, of the first spring 12, the internal surface slidable mounting of fixed plate 10 has movable rod 15, and movable rod 15 extends to the inside one end of injection tube 1 and installs stopper 16, and movable rod 15 keeps away from the one end of stopper 16 and installs and press the briquetting 17, and movable rod 15 is close to the surface cover that presses briquetting 17 and is equipped with second spring 18.

In this implementation, circular through-hole has been seted up to the inside of push-and-pull board 4, and when medical personnel took injection tube 1, two fingers inserted in the circular through-hole of push-and-pull board 4 inside, can play certain limiting displacement to injection tube 1, make things convenient for medical personnel to use.

In this implementation, the draw-in groove that corresponds and size looks adaptation with fixture block 13 position is seted up to the surface of syringe needle 14, the through-hole that corresponds and size looks adaptation with syringe needle 14 position is seted up to the inside of solid fixed cylinder 5, the top of syringe needle 14 runs through the inside through-hole of solid fixed cylinder 5 and extends to the top of solid fixed cylinder 5, fixture block 13 card is gone into in the draw-in groove of syringe needle 14 surface and is fixed, can make syringe needle 14 fixed, syringe needle 14 can be linked together with injection tube 1 through the inside through-hole of solid fixed cylinder 5.

In this implementation, the diameter ratio of pressing board 9 is big than 1 inside diameter of injection tube, and the inside of injection tube 1 is seted up with the corresponding and size looks adaptation's of stopper 16 position slide opening, and pressing board 9 can play certain limiting displacement to pressing board 9 than 1 diameter of injection tube greatly, and movable rod 15 drives limiting plate 16 and removes, removes to the outside of injection tube 1 through the slide opening of 1 inside of injection tube, can make rubber buffer 7 take out smoothly from the inner wall of injection tube 1.

In this embodiment, the top of the syringe 1 is opened with a liquid outlet communicated with the inside of the needle 14, and the liquid medicine can flow out of the needle 14 through the syringe 1 and the through hole communicated with the needle 14.

In this embodiment, the stopper 16 is not in contact with the outer surface of the core rod 8, both ends of the second spring 18 are connected to the outer surfaces of the fixing plate 10 and the pressing block 17, the second spring 18 can limit the distance between the fixing plate 10 and the pressing block 17, and the pressing block 17 is returned to the initial position by the elasticity of the second spring 18.

The working principle is as follows: when the device is needed to be used, a medical worker installs a needle 14 on a liquid outlet hole at the top of an injection tube 1 for fixation, a fixed tube 5 is installed at the top of the injection tube 1 in a threaded manner, the top of the needle 14 passes through a through hole in the fixed tube 5 and extends to the top of the fixed tube 5, a first spring 12 enters into a groove 11, a clamping block 13 is clamped into a clamping groove on the outer surface of the needle 14 for fixation, so that the needle 14 is fixed, the pressing plate 9 is pushed to push the pressing plate 9 to drive a core rod 8 to move, the core rod 8 drives a rubber plug 7 to slide on the inner surface of the injection tube 1, air in the injection tube 1 is discharged by using the rubber plug 7, the rubber plug 7 can be prevented from falling through the limit of a limit block 16, the needle 14 is placed in liquid medicine, the liquid is conveniently observed by the scale 2 on the front surface of the injection tube 1, the pressing plate 9 is pulled, and the liquid medicine enters into the inner cavity of the injection tube 1 through the needle 14, when the liquid medicine needs to be injected, two fingers are inserted into the round holes inside the push-pull plate 4 for fixation, the needle head 14 is inserted into the body of a patient, the limiting plates 6 at the two ends of the fixed cylinder 5 are attached to the body of the patient, so that the limiting plates 6 have a certain limiting effect on the injection tube 1, the injection tube 1 is prevented from shaking left and right, the thumb at the two ends presses the pressing plate 9, the pressing plate 9 drives the rubber plug 7 to move, the rubber plug 7 drives the liquid medicine to flow out of the needle head 14, therefore, injection anesthesia is completed, when the rubber plug 7 needs to be pulled out, the pressing block 17 is pulled, the pressing block 17 drives the movable rod 15 to move, the second spring 18 can play a certain limiting role on the pressing block 17, the movable rod 15 drives the limiting block 16 to move, the limiting block 16 is moved to the outside of the injection tube 1 through the sliding hole in the injection tube 1, the pressing plate 9 is moved, the pressing plate 9 drives the core rod 8 to move, and the core rod 8 drives the rubber plug 7 to be drawn out from the injection tube 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a syringe for local anesthesia of hospital's department of anesthesia operation, includes injection cylinder (1), its characterized in that: the front of injection tube (1) is provided with scale (2), backup pad (3) are installed to the bottom at injection tube (1) both ends, the central point at injection tube (1) both ends puts and installs push-and-pull plate (4), the surface threaded mounting at injection tube (1) top has solid fixed cylinder (5), limiting plate (6) are installed at the top at solid fixed cylinder (5) both ends, the internal surface slidable mounting of injection tube (1) has rubber buffer (7), central point at rubber buffer (7) bottom puts and installs core bar (8), the one end that rubber buffer (7) were kept away from in core bar (8) is installed and is pressed clamp plate (9), fixed plate (10) are installed to the one end that backup pad (3) top is close to injection tube (1), solid fixed cylinder (5) are close to the both ends of injection tube (1) and all set up fluted (11), the internally mounted of recess (11) has first spring (12), first spring (12) are kept away from the one end of recess (11) and are installed fixture block (13), the central point at injection tube (1) top puts and installs syringe needle (14), the internal surface slidable mounting of fixed plate (10) has movable rod (15), stopper (16) are installed to the one end that movable rod (15) extend to injection tube (1) inside, movable rod (15) are kept away from the one end of stopper (16) and are installed and press briquetting (17), the surface cover that movable rod (15) are close to and press briquetting (17) is equipped with second spring (18).

2. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: and a circular through hole is formed in the push-pull plate (4).

3. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the outer surface of the needle head (14) is provided with a clamping groove corresponding to the clamping block (13) in position and matched in size, a through hole corresponding to the needle head (14) in position and matched in size is formed in the fixed barrel (5), and the top of the needle head (14) penetrates through the through hole in the fixed barrel (5) and extends to the top of the fixed barrel (5).

4. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the diameter of the pressing plate (9) is larger than the diameter of the interior of the injection cylinder (1), and a sliding hole which corresponds to the position of the limiting block (16) and is matched with the limiting block in size is formed in the injection cylinder (1).

5. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the top of the injection tube (1) is provided with a liquid outlet hole communicated with the inside of the needle head (14).

6. The syringe for local anesthesia in hospital anesthesia surgery according to claim 1, wherein: the limiting block (16) is not contacted with the outer surface of the core rod (8), and two ends of the second spring (18) are connected with the outer surfaces of the fixing plate (10) and the pressing block (17).