CN209808480U

CN209808480U - Positioning device for lumbar puncture needle

Info

Publication number: CN209808480U
Application number: CN201822190675.3U
Authority: CN
Inventors: 杨军
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-12-20
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a positioner for lumbar puncture needle, including fixed establishment and puncture mechanism, fixed establishment's surface is provided with puncture mechanism, fixed establishment includes the fixed plate, the mounting hole has been seted up on the surface of fixed plate, the bottom of fixed plate and the both sides that are located the mounting hole all are provided with ultrasonic detector, the right side at fixed plate top is provided with radio signal transmitter, the equal fixedly connected with waistband in both sides of fixed plate. The utility model discloses a set up fixed establishment, can be convenient for install at patient's waist, and the setting through the fixed plate, patient's waist can laminate, and through the oblique forty-five degree setting of ultrasonic detector, can be convenient for medical personnel observe patient's lumbar vertebrae, the oblique angle of forty-five degrees of ultrasonic detector is just to the vertical position with the needle tubing, and the medical personnel of being convenient for observe the effect of position, have set up puncture mechanism, can be convenient for medical personnel to puncture patient's lumbar vertebrae.

Description

Positioning device for lumbar puncture needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a positioning device for a lumbar puncture needle.

Background

Lumbar puncture is a basic operation which must be mastered and is commonly used in clinical work of hospitals, and the failure rate of lumbar puncture is the highest in all puncture operations.

In daily work, lumbar puncture is usually completed by low-tech inpatients or interns, because of insufficient experience of doctors, psychological stress and poor cooperation of patients, the success of puncture often occurs once, multiple times of puncture can bring more pain and more complications to patients, sometimes doctor-patient contradictions can be caused, lumbar puncture generally requires that patients adopt lateral position, the back of the patients is required to be vertical to a bed surface when the patients lie on the side, the needle inserting direction of the puncture needle is required to be vertical to the back of the patients when the puncture is performed, the most common reason of puncture failure is that the body position and the puncture direction of the patients required by the puncture cannot be reached in actual operation, and therefore, the positioning device for the lumbar puncture needle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner for lumbar puncture needle possesses the effectual advantage of location, has solved the lumbar puncture and has generally required patient to take the lateral position, and patient's back must be perpendicular with the bed surface when the lateral position, and the pjncture needle direction of inserting will be perpendicular with patient's back during the puncture, and the most common reason of puncture failure is the problem that can not reach required patient's position and puncture direction during the puncture during actual operation.

In order to achieve the above object, the utility model provides a following technical scheme:

a positioning device for a lumbar puncture needle comprises a fixing mechanism and a puncture mechanism, wherein the puncture mechanism is arranged on the surface of the fixing mechanism.

Preferably, the fixing mechanism comprises a fixing plate, mounting holes are formed in the surface of the fixing plate, ultrasonic detectors are arranged at the bottom of the fixing plate and on two sides of the mounting holes, a wireless signal transmitter is arranged on the right side of the top of the fixing plate, and waistbands are fixedly connected to the two sides of the fixing plate.

Preferably, the right ends of the two waistbands are provided with buckles, and the left ends of the two waistbands are provided with clamping blocks.

Preferably, the puncture mechanism includes a fixed barrel, the surface of the bottom of the fixed barrel is in contact with the inner cavity of the mounting hole, through holes are formed in the tops of the two sides of the fixed barrel, a needle tube penetrates through the inner cavity of the fixed barrel, a pressing plate is fixedly connected to the top of the needle tube, a first spring is sleeved on the top of the surface of the needle tube, the top of the first spring is fixedly connected with the bottom of the pressing plate, the bottom of the first spring is fixedly connected with the top of the fixed barrel, a second spring is fixedly connected to the surface of the needle tube, which is located in the inner cavity of the fixed barrel, a pressing block is fixedly connected to one end, away from the needle tube, of the second spring, and one end, away from the second spring, of the pressing block penetrates.

Preferably, the equal fixedly connected with mounting panel in both sides of fixed bucket, the mounting panel contacts with the top of fixed plate, the surface of mounting panel is provided with the bolt, the bottom of bolt run through the mounting panel and with fixed plate swing joint.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can be conveniently installed on the waist of a patient by arranging the fixing mechanism, can be attached to the waist of the patient by arranging the fixing plate, can be conveniently observed by medical personnel by arranging the ultrasonic detector at a forty-five degree angle, can be conveniently used for observing the lumbar of the patient by the medical personnel, can be conveniently used for observing the position effect of the medical personnel by arranging the ultrasonic detector at a forty-five degree angle, can be conveniently used for the medical personnel to puncture the lumbar of the patient, can adjust the depth of the needle tube by arranging the through hole, the second spring and the pressing block, avoids the effect of over-deep or over-shallow puncture, is provided with the mounting plate and the bolt, can be conveniently replaced by the medical personnel, avoids the effect of cross infection, thereby solving the problem that the puncture generally requires the patient to adopt a lateral position, the back of the patient is required to be perpendicular to the bed surface when the patient lies on the side, the needle inserting direction of the puncture needle is perpendicular to the back of a patient during puncture, and the most common reason of puncture failure is that the body position and the puncture direction of the patient required during puncture cannot be achieved during actual operation.

Drawings

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

FIG. 2 is a schematic view of the fixing mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the puncturing mechanism of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.

In the figure: the device comprises a fixing mechanism 1, a fixing plate 11, a mounting hole 12, an ultrasonic detector 13, a wireless signal transmitter 14, a belt 15, a buckle 16, a clamping block 17, a puncture mechanism 2, a fixing barrel 21, a through hole 22, a needle tube 23, a pressing plate 24, a first spring 25, a second spring 26, a pressing block 27, a mounting plate 28 and a bolt 29.

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.

Referring to fig. 1-4, a positioning device for a lumbar puncture needle comprises a fixing mechanism 1 and a puncture mechanism 2, wherein the fixing mechanism 1 comprises a fixing plate 11, a mounting hole 12 is formed on the surface of the fixing plate 11, ultrasonic detectors 13 are arranged at the bottom of the fixing plate 11 and at two sides of the mounting hole 12, a wireless signal transmitter 14 is arranged at the right side of the top of the fixing plate 11, waist belts 15 are fixedly connected to two sides of the fixing plate 11, buckles 16 are arranged at the right ends of the two waist belts 15, a clamping block 17 is arranged at the left end of the fixing plate, the puncture mechanism 2 is arranged on the surface of the fixing mechanism 1, the puncture mechanism 2 comprises a fixing barrel 21, the surface of the bottom of the fixing barrel 21 is in contact with an inner cavity of the mounting hole 12, through holes 22 are formed in the tops of two sides of the fixing barrel 21, a needle tube 23 penetrates through the inner cavity of the fixing barrel, the top of the first spring 25 is fixedly connected with the bottom of the pressing plate 24, the bottom of the first spring 25 is fixedly connected with the top of the fixed barrel 21, the surface of the needle tube 23 in the inner cavity of the fixed barrel 21 is fixedly connected with the second spring 26, one end of the second spring 26 far away from the needle tube 23 is fixedly connected with the pressing block 27, one end of the pressing block 27 far away from the second spring 26 penetrates through the through hole 22 and extends to the outside of the fixed barrel 21, both sides of the fixed barrel 21 are fixedly connected with the mounting plates 28, the mounting plates 28 are in contact with the top of the fixed plate 11, the surface of the mounting plates 28 is provided with the bolts 29, the bottoms of the bolts 29 penetrate through the mounting plates 28 and are movably connected with the fixed plate 11, the fixing mechanism 1 is arranged to facilitate installation at the waist of a patient, the fixing plate 11 can be attached to the waist of the patient, and the ultrasonic detector 13 is arranged at forty, the ultrasonic detector 13 is inclined at an angle of forty-five degrees and is right opposite to the vertical position of the needle tube 23, so that the effect of observing the position by medical staff is facilitated, the puncture mechanism 2 is arranged, so that the medical staff can conveniently puncture the lumbar of a patient, the depth of the needle tube 23 can be adjusted through the arrangement of the through hole 22, the second spring 26 and the pressing block 27, the effect of too deep or too shallow puncture is avoided, the arrangement of the mounting plate 28 and the bolt 29 is convenient for medical staff to replace the puncture mechanism 2, the effect of cross infection is avoided, therefore, the problems that the lumbar puncture generally requires that the patient adopts a lateral position, the back of the patient is required to be vertical to the bed surface when the patient lies on the side, the needle inserting direction of the puncture needle is required to be vertical to the back of the patient when the puncture is carried out, and the most common reason of the puncture failure is that the body position and the puncture direction of the patient required when the puncture cannot be achieved in the actual operation are solved.

During the use, the user twines waistband 15 at patient's waist, rethread buckle 16 is fixed this device with fixture block 17's cooperation, after fixed the completion, ultrasonic detector 13 work is opened through peripheral controller to rethread, ultrasonic detector 13 passes through ultrasonic wave observation patient's waist, and through ultrasonic detector 13 oblique forty-five degree's setting, the position of observing is exactly the same with the vertical angle of needle tubing 23, it transmits to outside developing equipment through radio signal transmitter 14 to observe the image, so that medical personnel observes, after angle adjustment is accomplished, medical personnel presses down pressing plate 24, pressing plate 24 drives needle tubing 23 and descends and punctures patient's lumbar vertebrae, simultaneously according to ultrasonic detector 13's observation needle tubing 23's the degree of depth, rethread second spring 26 and pressing block 27's setting, fix needle tubing 23.

In summary, the following steps: this positioner for lumbar puncture needle uses through the cooperation of fixed establishment 1 and piercing depth 2, has solved the lumbar puncture and has generally required patient to take the lateral position, and patient's back must be perpendicular with the bed surface when the lateral position, and the pjncture needle direction of inserting will be perpendicular with patient's back during the puncture, and the most common reason of puncture failure is the problem that can not reach required patient's position and puncture direction during the puncture during actual operation.

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 a positioner for lumbar puncture needle, includes fixed establishment (1) and piercing depth (2), its characterized in that: the surface of the fixing mechanism (1) is provided with a puncture mechanism (2); the fixing mechanism (1) comprises a fixing plate (11), a mounting hole (12) is formed in the surface of the fixing plate (11), ultrasonic detectors (13) are arranged at the bottom of the fixing plate (11) and on two sides of the mounting hole (12), a wireless signal transmitter (14) is arranged on the right side of the top of the fixing plate (11), and two sides of the fixing plate (11) are fixedly connected with a waistband (15); puncture mechanism (2) is including fixed bucket (21), the surface of fixed bucket (21) bottom and the inner chamber contact of mounting hole (12), through-hole (22) have all been seted up at the top of fixed bucket (21) both sides, the inner chamber of fixed bucket (21) runs through and is provided with needle tubing (23), the top fixedly connected with press platen (24) of needle tubing (23), the top cover on needle tubing (23) surface is equipped with first spring (25), the top of first spring (25) and the bottom fixedly connected with of press platen (24), the bottom of first spring (25) and the top fixed connection of fixed bucket (21), needle tubing (23) are located the fixed surface fixedly connected with second spring (26) of fixed bucket (21) inner chamber, the one end fixedly connected with press block (27) of needle tubing (23) are kept away from to second spring (26) is passed through-hole (22) and is extended to fixed bucket (21) to second spring (26) is kept away from in press block (26) Of the outer part of (1).

2. The positioning device for a lumbar puncture needle according to claim 1, characterized in that: the right ends of the two waist belts (15) are provided with buckles (16), and the left ends are provided with clamping blocks (17).

3. The positioning device for a lumbar puncture needle according to claim 1, characterized in that: the equal fixedly connected with mounting panel (28) in both sides of fixed bucket (21), the top contact of mounting panel (28) and fixed plate (11), the surface of mounting panel (28) is provided with bolt (29), the bottom of bolt (29) run through mounting panel (28) and with fixed plate (11) swing joint.