CN215689919U

CN215689919U - Local anesthesia syringe for children

Info

Publication number: CN215689919U
Application number: CN202122295410.1U
Authority: CN
Inventors: 王新宁
Original assignee: Capital Institute of Pediatrics
Current assignee: Capital Institute of Pediatrics
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-02-01
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a local anesthesia injector for children, and relates to the technical field of medical instruments. The needle tube comprises a needle tube body, scales are arranged on the surface of the needle tube body, a piston is connected to the inner wall of the needle tube body in a piston mode, a piston shaft is fixedly connected to the surface of the piston, a piston handle is fixedly connected to the surface of the piston shaft, a nipple is arranged on the surface of the needle tube body, a needle stem is movably connected to the surface of the nipple, a medicine dose handle control mechanism is arranged on the circumferential surface of the needle tube body and comprises a fixed block, a sliding groove is formed in the surface of the fixed block, the surface of the fixed block is fixedly connected to the circumferential surface of the needle tube body, a limiting groove is formed in the inner wall of the fixed block, a pointer surface is slidably connected to the inner wall of the sliding groove, and the lower surface of the pointer is slidably attached to the inner wall of the scales; the surface of the connecting rod is provided with the synchronizing mechanism, so that an anaesthetist can visually observe the anaesthetized medicine amount in the needle tube body, the phenomenon that the medicine amount is injected to be lower or higher is avoided, the medicine amount injection accuracy is effectively improved, and the operation quality of a child patient is improved.

Description

Local anesthesia syringe for children

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a local anesthesia injector for children.

Background

Along with the continuous development of social economy, science and technology also continuously develops and innovates, people's life has had very big improvement, and medical science and technology level also is improving gradually, and the operation is more and more common, and some diseases need to move the operation and just can be treated, need carry out the anesthesia to the patient before the doctor carries out the operation to reduce patient's misery, guarantee going on that the operation can be smooth, need use the syringe to patient's anesthesia.

Often need the very accurate accuse dose of anaesthesiologist when carrying out anesthesia injection in child patient's operation process, often can lead to the unable accurate accuse needle tubing of anaesthesiologist's dose of anaesthesia when using the needle tubing to absorb the medicine because light refraction, can lead to the dose to inject and hang down or be high to the dose that leads to injecting into the infant is nonstandard, has pain sense or the long-time phenomenon of losing consciousness in the art, increases the infant misery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a local anesthesia injector for children, which solves the technical problems that an anesthesia doctor is required to accurately control the drug amount when performing anesthesia injection in the operation process of a child patient, the anesthesia dose in a needle control tube cannot be accurately controlled by the anesthesia doctor due to light refraction when a needle tube is used for sucking a drug, the drug amount injection is low or high, the drug amount injected into a child patient is not standard, pain or long-time unconsciousness is caused in the operation, and the pain of the child patient is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: an injector for local anesthesia of children comprises a needle tube body, wherein the surface of the needle tube body is provided with scales, the piston is connected with the inner wall of the needle tube body, the surface of the piston is fixedly connected with a piston shaft, the surface of the piston shaft is fixedly connected with a piston handle, the surface of the needle tube body is provided with a nipple, the surface of the nipple is movably connected with a needle stem, the circumferential surface of the needle tube body is provided with a drug dose handle control mechanism which comprises a fixed block, the surface of the fixed block is provided with a chute, the surface of the fixed block is fixedly connected with the circumferential surface of the needle tube body, the inner wall of the fixed block is provided with a limit groove, the inner wall of the limit groove is connected with a movable plate in a sliding way, the surface of the movable plate is fixedly connected with a connecting rod, the surface of the movable plate is fixedly connected with a pointer, the surface of the pointer is connected to the inner wall of the sliding chute in a sliding mode, and the lower surface of the pointer is attached to the inner wall of the scale in a sliding mode; the surface of the connecting rod is provided with a synchronizing mechanism.

Preferably, the synchronizing mechanism comprises a buckle, the surface of the buckle is movably clamped with a clamping groove, and the surface of the clamping groove is fixedly connected to the surface of the piston handle.

Preferably, the surface of the needle stalk is fixedly connected with a pintle, the inner wall of the circumference of the pintle is provided with threads, and the threads of the inner wall of the pintle are rotatably connected to the circumferential surface of the nipple.

Preferably, the circumferential surface of the needle tube body is symmetrically and fixedly connected with a handheld frame.

Preferably, the surface of the movable plate is movably attached to the inner wall of the fixed block.

Preferably, the length of the needle stem is 35mm, the length of the inclined plane of the needle stem is 1.5mm, and the outer diameter of the needle stem is 0.4 mm.

Compared with the related art, the local anesthesia injector for the children provided by the utility model has the following beneficial effects:

the utility model provides a local anesthetic injector for children, which is characterized in that a clamping groove on the surface of a piston handle is rotated to the inner wall of a buckle to complete clamping, then the piston handle is pulled to suck a medicine into a needle tube body, a connecting rod fixedly connected with the buckle drives a movable plate to slide on the inner wall of a fixed block in the process of sliding, and the surface of a pointer is driven to slide on a scale surface, so that an anesthetic can visually observe the anesthetic dosage in the needle tube body, the phenomenon that the injection dosage is low or high is avoided, the accuracy of the injection dosage is effectively improved, the operation quality of a child patient is improved, the problem that the anesthetic often needs to accurately control the dosage when performing anesthetic injection in the operation process of the child patient is solved, the anesthetic often cannot accurately control the anesthetic dosage in the needle tube due to light refraction when the medicine is sucked by using the needle tube, and the injection dosage is low or high, thereby causing the problems that the dose injected into the body of the infant is not standard, the pain or the long-time unconsciousness phenomenon exists in the operation, and the pain of the infant is increased.

The utility model provides a local anesthesia injector for children, which is more stable and labor-saving to hold by an anesthesia doctor during injection due to a handheld frame fixedly connected with the surface of a needle tube body.

The utility model provides a local anesthesia injector for children, which effectively reduces the pain of the children during injection through the specification design of needle peduncles, solves the problems that the traditional injection needle is thick, the puncture pain is strong, the fear is increased, the matching degree of the children during operation is reduced, the operation risk is increased, the subcutaneous fat of the obese children is thick, the length of the needle of the common injector is not enough to reach the periosteum, the anesthesia strength is not enough, and the pain of the children is increased.

Drawings

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

FIG. 2 is a cross-sectional view of the needle cannula body of the present invention;

FIG. 3 is a schematic view of a connecting rod structure according to the present invention;

fig. 4 is a schematic view of a card slot structure of the present invention.

In the figure: 1. the needle tube comprises a needle tube body, 11, scales, 12, a handheld frame, 13, a piston shaft, 14, a piston handle, 15, a needle stem, 16, a fixed block, 17, a movable plate, 18, a pointer, 19, a pintle, 2, a limiting groove, 21, a connecting rod, 22, a piston, 23, a nipple, 24, a buckle, 25 and a clamping groove.

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.

The first embodiment is as follows:

referring to fig. 1-4, the present invention provides a technical solution, including a needle tube body 1, scales 11 are disposed on the surface of the needle tube body 1, a piston 22 is connected to the inner wall of the needle tube body 1 via a piston, a piston shaft 13 is fixedly connected to the surface of the piston 22, a piston handle 14 is fixedly connected to the surface of the piston shaft 13, a nipple 23 is disposed on the surface of the needle tube body 1, a needle stem 15 is movably connected to the surface of the nipple 23, a medicine dose handle control mechanism is disposed on the circumferential surface of the needle tube body 1, the medicine dose handle control mechanism includes a fixed block 16, a sliding groove is disposed on the surface of the fixed block 16, the surface of the fixed block 16 is fixedly connected to the circumferential surface of the needle tube body 1, a position-limiting groove 2 is disposed on the inner wall of the fixed block 16, a movable plate 17 is slidably connected to the inner wall of the position-limiting groove 2, a connecting rod 21 is fixedly connected to the surface of the movable plate 17, a pointer 18 is slidably connected to the inner wall of the sliding groove, the lower surface of the pointer 18 is in sliding fit with the inner wall of the scale 11; the connecting rod 21 surface is provided with lazytongs, and lazytongs includes buckle 24, and buckle 24 surface activity joint has draw-in groove 25, and draw-in groove 25 fixed surface connects on 14 surfaces of piston handle, and needle stalk 15 fixed surface is connected with

pintle

19, and 19 circumference inner walls of pintle have seted up the screw thread, and the inner wall screw thread of pintle 19 rotates and connects on nipple 23 circumference surface.

In this embodiment: the clamping is completed by rotating the clamping groove 25 on the surface of the piston handle 14 to the inner wall of the buckle 24, then the piston handle 14 is pulled to suck medicines into the needle tube body 1, the movable plate 17 is driven by the connecting rod 21 fixedly connected with the buckle 24 to slide on the inner wall of the fixed block 16 in the process, and the surface of the pointer 18 is driven to slide on the surface of the scale 11, so that an anaesthetist can visually observe the anaesthesia dosage in the needle tube body 1, the phenomenon that the dosage injection is low or high is avoided, the accuracy of the dosage injection is effectively improved, and the operation quality of a child patient is improved.

Example two:

referring to fig. 1, on the basis of the first embodiment, the present invention provides a technical solution: the circumferential surface of the needle tube body 1 is symmetrically and fixedly connected with a handheld frame 12.

In this embodiment: the hand-held frame 12 fixedly connected with the surface of the needle tube body 1 ensures that an anaesthetist can inject more stably and the holding is more labor-saving.

Example three:

on the basis of the first embodiment, the utility model provides a technical scheme that: the length of the needle stalk 15 is 35mm, the length of the inclined plane of the needle stalk 15 is 1.5mm, and the outer diameter of the needle stalk 15 is 0.4 mm.

In this embodiment: the pain of the children patients during injection is effectively relieved through the specification design of the needle stalk 15.

The working principle is as follows: rotate draw-in groove 25 on piston handle 14 surface to buckle 24 inner walls and accomplish the joint, then stimulate piston handle 14 and inhale the medicine in the needle tubing body 1, the in-process is driven fly leaf 17 by the connecting rod 21 with buckle 24 fixed connection and is slided at the fixed block 16 inner wall, it slides at scale 11 surface to drive the pointer 18 surface, make anesthesia doctor can audio-visually observe the dose of anesthesia in the needle tubing body 1, avoid appearing the phenomenon that the dose injection is low or high on the side, the effectual degree of accuracy that improves the dose injection, improve infant's operation quality, it is more stable when making anesthesia doctor inject by the handheld frame 12 of needle tubing body 1 fixed surface connection, it is more laborsaving to grip.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an infant's local anesthesia syringe, includes needle tube body (1), scale (11) have been seted up on needle tube body (1) surface, needle tube body (1) inner wall piston is connected with piston (22), piston (22) fixed surface is connected with piston shaft (13), piston shaft (13) fixed surface is connected with piston handle (14), nipple (23) have been seted up on needle tube body (1) surface, nipple (23) surface swing joint has needle stalk (15), its characterized in that: the needle tube comprises a needle tube body (1), and is characterized in that a medicine dose handle control mechanism is arranged on the circumferential surface of the needle tube body (1), the medicine dose handle control mechanism comprises a fixed block (16), a sliding groove is formed in the surface of the fixed block (16), the surface of the fixed block (16) is fixedly connected to the circumferential surface of the needle tube body (1), a limiting groove (2) is formed in the inner wall of the fixed block (16), a movable plate (17) is slidably connected to the inner wall of the limiting groove (2), a connecting rod (21) is fixedly connected to the surface of the movable plate (17), a pointer (18) is fixedly connected to the surface of the movable plate (17), the surface of the pointer (18) is slidably connected to the inner wall of the sliding groove, and the lower surface of the pointer (18) is slidably attached to the inner wall of a scale (11);

the surface of the connecting rod (21) is provided with a synchronous mechanism.

2. The pediatric local anesthetic syringe according to claim 1, wherein: the synchronous mechanism comprises a buckle (24), the surface of the buckle (24) is movably clamped with a clamping groove (25), and the surface of the clamping groove (25) is fixedly connected to the surface of the piston handle (14).

3. The pediatric local anesthetic syringe according to claim 1, wherein: the needle stem (15) fixed surface is connected with pintle (19), the circumference inner wall of pintle (19) is seted up threadedly, the inner wall screw thread of pintle (19) rotates and connects on nipple (23) circumference surface.

4. The pediatric local anesthetic syringe according to claim 1, wherein: the needle tube body (1) is symmetrically and fixedly connected with a handheld frame (12) on the circumferential surface.

5. The pediatric local anesthetic syringe according to claim 1, wherein: the surface of the movable plate (17) is movably attached to the inner wall of the fixed block (16).

6. The pediatric local anesthetic syringe according to claim 1, wherein: the length of the needle stalk (15) is 35mm, the length of the inclined plane of the needle stalk (15) is 1.5mm, and the outer diameter of the needle stalk (15) is 0.4 mm.