CN219397480U - Puncture needle fixing device - Google Patents

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a puncture needle fixing device, which comprises: the puncture fixing device comprises two fixing plates symmetrically connected with the free end of the inner rod and a positioning ball connected between the two fixing plates, wherein the positioning ball is provided with a puncture hole for a puncture needle to pass through, a limit tooth is connected between the two fixing plates, and a limit hole is vertically and uniformly arranged on one side of the limit ball, which is close to the inner rod, of the inner rod.

Description

Puncture needle fixing device

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a puncture needle fixing device.

Background

The ultrasonic examination is an advanced medical technology, has better directivity, real-time imaging, no radiation and pollution, low price compared with other image examination, high examination speed and high precision for tumors, stones, pathological tissue inflammation and the like, is a diagnosis method commonly used by doctors, combines with a puncture technology, can realize real-time imaging and monitoring on pathological tissue through an ultrasonic probe, simultaneously inserts the puncture needle into the pathological tissue of a patient under the guidance of the ultrasonic probe, performs puncture operation on the patient, performs pathological and laboratory examination after puncture and taking out the pathological tissue of the patient, and helps the treatment direction of the next step, thus being very important diagnosis and treatment technology in modern medicine.

When clinically guiding the ultrasonic probe to puncture, a doctor needs to hold the ultrasonic probe and the puncture needle to detect and puncture simultaneously, so that the puncture difficulty is increased and the puncture success rate is reduced.

Therefore, there is a need to design a needle fixing device for nerve block based on ultrasonic guidance so that the difficulty of a doctor in assisting the puncture using an ultrasonic probe is reduced.

Disclosure of Invention

The utility model aims to provide a puncture needle fixing device for nerve block based on ultrasonic guidance, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a puncture needle fixing device comprising:

the fixed ring sleeve is provided with a connecting hole for fixedly connecting with the ultrasonic probe;

the connecting component is connected to the side surface of the fixed ring sleeve;

the puncture needle fixing assembly is used for rotationally adjusting the puncture point of the puncture needle and is connected with a positioner.

Preferably, the fixed ring sleeve is penetrated with a clamping bolt, and one end of the clamping bolt, which is arranged at the inner side of the fixed ring sleeve, is connected with a rubber block.

Preferably, the connecting assembly comprises an outer shell connected with the fixed ring sleeve and an inner rod connected with the outer shell in a sliding manner, and the connecting assembly telescopically adjusts the distance between the puncture fixing device and the fixed ring sleeve.

Preferably, the puncture fixing device comprises two fixing plates symmetrically connected at the free end of the inner rod and a positioning ball connected between the two fixing plates, wherein the positioning ball is provided with a puncture hole for the puncture needle to pass through, two T-shaped sliding grooves are formed in the inner sides of the fixing plates, T-shaped sliding blocks sliding with the T-shaped sliding grooves are rotationally connected to the two sides of the positioning ball, a spring is connected to one end of the inner rod close to the inner wall of the T-shaped sliding grooves, the other end of the spring is connected with the T-shaped sliding blocks, limiting teeth are connected between the two fixing plates, and the limiting teeth are vertically and uniformly provided with limiting holes on one side of the inner rod close to the limiting teeth and are matched and fixed with the positioning ball.

Preferably, the locator is an infrared marker, and the locator emits an infrared light source to simulate the puncture point of the puncture needle.

The beneficial effects of the utility model are as follows:

1. the fixing device is fixedly sleeved outside the ultrasonic probe through the fixing ring sleeve with the clamping bolt, and the fixing device moves along with the ultrasonic probe when the medical staff detects by using the ultrasonic probe, so that the operation is simple.

2. Set up telescopic coupling assembling, coupling assembling flexible regulation puncture fixed subassembly and ultrasonic probe between the distance, the search puncture point of bigger degree and area, practicality reinforcing

3. The locating ball capable of being rotationally adjusted and located is arranged, the locator connected to the locating ball sends out an infrared light source to simulate and find a puncture point, the rotating angle of the locating ball is adjusted and fixed under the assistance of the ultrasonic probe and the locator, a doctor punctures through the puncture hole arranged in the adjusted locating ball, the structure is simple to operate, the puncture difficulty of the doctor is reduced, and the puncture accuracy is improved.

Drawings

FIG. 1 is a schematic view of a lancet holder of the present utility model;

FIG. 2 is a schematic view of the connection structure of the puncture needle fixing device and the ultrasonic probe according to the present utility model;

FIG. 3 is a cross-sectional view of the lancet holder assembly a of FIG. 1;

FIG. 4 is a cross-sectional view of the lancet holder assembly b of FIG. 1;

fig. 5 is a cross-sectional view of the fixing plate a of fig. 1;

the reference numerals include: the fixing ring sleeve 1, the connecting assembly 2, the clamping bolt 3, the rubber block 4, the outer shell sleeve 5, the inner rod 6, the fixing plate 7, the positioning ball 8, the puncture hole 9, the T-shaped sliding chute 10, the T-shaped sliding block 11, the spring 12, the limiting teeth 13, the limiting hole 14 and the positioner 15.

Detailed Description

The present utility model provides a puncture needle fixing device, and for making the object, technical scheme and effect of the present utility model clearer and more definite, the present utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", "lower", "left", "right", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be mechanically connected, can be directly connected or can be indirectly connected through an intermediate medium, and can be communicated with each other. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, the puncture needle fixing device comprises a fixing ring sleeve 1, a connecting component 2 and a puncture needle fixing component, wherein the fixing ring sleeve 1 is provided with a connecting hole for fixedly connecting with an ultrasonic probe, a clamping bolt 3 is further arranged on the fixing ring sleeve 1 in a penetrating mode, one end of the clamping bolt 3 is arranged in the connecting hole in a rotating mode, a rubber block 4 is rotatably pushed to be in contact with the outer side of the ultrasonic probe through the clamping bolt to be connected with the outer side of the ultrasonic probe, stability of the fixing ring sleeve 1 is improved, the connecting component 2 comprises an outer shell sleeve 5 and an inner rod 6, the right end of the outer shell sleeve 5 is fixedly connected with the fixing ring sleeve 1, the inner rod 6 is slidably connected in the outer shell sleeve 5, the distance between the puncture fixing component and the fixing ring sleeve 1 is adjusted in a telescopic mode through matching of the outer shell sleeve 5 and the inner rod 6, a puncture point is found and positioned in a larger degree and area, and practicability of the device is improved.

The puncture fixing assembly is connected to the left side of the inner rod 6, the puncture fixing assembly comprises two fixing plates 7 and a positioning ball 8 which is in sliding connection with the fixing plates 7, T-shaped sliding grooves 10 are formed in the inner sides of the two fixing plates 7, T-shaped sliding blocks 11 which are matched with the T-shaped sliding grooves 10 to slide are rotationally connected to the two sides of the positioning ball 8, the T-shaped sliding blocks 11 are arranged in the T-shaped sliding grooves 10, springs 12 are connected between the inner wall of the right side of the T-shaped sliding grooves 10 and the T-shaped sliding blocks 11, the springs 12 provide tension for the T-shaped sliding blocks 11 so that the T-shaped sliding blocks 11 move to the right side when no external force acts on the T-shaped sliding blocks 11, puncture holes 9 are formed in the positioning ball 8 for puncture needles to pass through, limiting holes 14 which are vertically and evenly distributed are formed in the right side of the positioning ball 8, limiting teeth 13 are connected to the middle positions of the left side of the inner rod 6 arranged on the two fixing plates 7, the spacing hole 14 is used for fixed with the locating ball 8 after the rotation adjustment with spacing tooth 13 cooperation, locating ball 8 bottom is connected with locator 15, locator 15 is infrared marker, when pulling locating ball 8 rotation adjustment to the left side, locator 15 sends infrared light source simulation pjncture needle and seeks suitable puncture point, move locating ball 8 to the right side when confirming the puncture point, spacing hole 14 and spacing tooth 13 joint that are equipped with on the locating ball 8 just can puncture the pjncture needle through puncture hole 9 this moment, this structure has reduced the doctor and has used the operation degree of difficulty when supplementary puncture of ultrasonic probe, utilize locator 15 simulation to seek fixed puncture point to increase the accurate rate of puncture simultaneously. The ultrasonic probe sleeve is provided with an ultrasonic sterile protective sleeve.

The specific implementation process is as follows: when the ultrasonic probe is used, the ultrasonic probe is placed in the connecting hole, the clamping bolt 3 is rotated to push the rubber block 4 inwards so that the fixed ring sleeve 1 is fixedly connected with the ultrasonic probe, the connecting component 2 is adjusted after the ultrasonic probe detects, the connecting component 2 is telescopically adjusted and locked, the locating ball 8 is pulled to the left side to be matched with the infrared light source rotation adjustment sent by the locator 15 to find a proper puncture point, the locating ball 8 is moved to the right side after the puncture point is determined, the locating ball 8 is moved to the right side under the action of the tensile force of the spring 12, the limiting hole 14 arranged on the outer side of the locating ball is clamped with the limiting teeth 13, and the puncture needle punctures through the puncture hole 9 arranged on the locating ball 8.

The foregoing is merely an example of the present utility model, and specific technical solutions and/or features that are well known in the solutions are not described in detail herein, it should be noted that, for those skilled in the art, modifications and improvements may be made without departing from the technical solutions of the present utility model, and these should also be considered as protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practicability of the patent, the protection scope of the present application should be subject to the claims, and the description of specific embodiments and the like in the specification can be used to explain the contents of the claims.

Claims (5)

1. The puncture needle fixing device is characterized by comprising:

the ultrasonic probe comprises a fixed ring sleeve (1), wherein the fixed ring sleeve (1) is provided with a connecting hole for fixedly connecting with the ultrasonic probe;

the connecting component (2) is connected to the side surface of the fixed ring sleeve (1);

the puncture needle fixing assembly is used for rotationally adjusting the puncture point of the puncture needle and is connected with a positioner (15).

2. The needle mount of claim 1, wherein: the fixing ring sleeve (1) is penetrated with a clamping bolt (3), and the clamping bolt (3) is arranged at one end of the inner side of the fixing ring sleeve (1) and is connected with a rubber block (4).

3. The needle mount of claim 1, wherein: the connecting component (2) comprises an outer shell (5) connected with the fixed ring sleeve (1) and an inner rod (6) connected with the outer shell (5) in a sliding mode, and the connecting component (2) is used for adjusting the distance between the puncture needle fixing component and the fixed ring sleeve (1) in a telescopic mode.

4. The needle mount of claim 1, wherein: the puncture needle fixing assembly comprises two fixing plates (7) symmetrically connected to the free end of an inner rod (6) and a positioning ball (8) connected between the two fixing plates (7), wherein the positioning ball (8) is provided with a puncture hole (9) for the puncture needle to pass through, T-shaped sliding grooves (10) are formed in the inner sides of the fixing plates (7), T-shaped sliding blocks (11) sliding in the T-shaped sliding grooves (10) are rotationally connected to the two sides of the positioning ball (8), springs (12) are connected to one end of the inner rod (6) close to the inner wall of the T-shaped sliding grooves (10), limiting teeth (13) are connected between the two fixing plates (7), the limiting teeth (13) are close to one side of the inner rod (6), and limiting holes (14) are vertically and evenly formed in the limiting teeth (13) and the limiting holes (14) in a matched mode to fix the positioning ball (8).

5. The needle mount of claim 1, wherein: the locator (15) is an infrared marker, and the locator (15) emits an infrared light source to simulate the puncture point of the puncture needle.