CN214632285U

CN214632285U - Ultrasonic guide needle

Info

Publication number: CN214632285U
Application number: CN202022991965.5U
Authority: CN
Inventors: 刘小曼; 杨颖�; 赵金荣
Original assignee: Peoples Hospital of SND
Current assignee: Peoples Hospital of SND
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-09
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an ultrasonic guide needle, including guide needle body, cylinder and fine-tuning, the cylinder cover is in the guide needle body tail end outside for the focus is stably inserted to the guide needle body fine-tuning installation and guide needle body tail end, and be connected with the cylinder, the utility model discloses a change wheel in the rotation fine-tuning to the realization is adjusted feeding of guide needle body, makes the antedisplacement that the guide needle body can be stable, and the cooperation is observed the image guide pjncture needle that ultrasonic diagnostic equipment shows and is punctured, thereby makes and insert the focus position more accurate, when avoiding because the manual contact pin of personnel, causes the pjncture needle stability not enough because of the careless or its reason of operation, makes the needle point deviate from or puncture pathological change position, lead to the treatment failure.

Description

Ultrasonic guide needle

Technical Field

The utility model relates to a guide needle technical field specifically is an ultrasonic guide needle.

Background

Conventionally, there is known an ultrasound-guided puncture medical technique in which an ultrasound diagnostic apparatus is used to perform an interventional diagnosis and treatment on a diseased part in a patient's body, a puncture needle is guided to puncture the diseased part by observing an image displayed on the ultrasound diagnostic apparatus, and clinical operations such as tissue or cell collection, body fluid discharge, and drug solution injection are performed on the diseased part.

Currently, puncture therapy is divided into two steps; the first step is to put the puncture needle into the puncture target, and the second step is to collect or draw liquid and inject medicine. In the puncture process, as the range of part of focuses is small, when a person inserts a guide needle, the person needs to accurately control the force to guide the needle to move forward, otherwise, the person can not find an accurate position easily, medical staff need not to accurately puncture the puncture needle into a diseased region, but also need to keep the needle point of the puncture needle in the diseased region stably all the time in subsequent treatment, in actual puncture treatment, the medical staff is inevitably careless to operate or cause the carelessness, so that the stability of the puncture needle is insufficient, the needle point is separated from or punctures the diseased region, treatment failure is caused, serious complications are caused after the situations occur, and particularly, the easily damaged fatal region can even cause death of a patient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can stably insert supersound guide needle of focus to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultrasonic guide needle comprises a guide needle body, a needle cylinder and a fine adjustment mechanism, wherein the needle cylinder is sleeved on the outer side of the tail end of the guide needle body and used for stably inserting the guide needle body into a focus.

Preferably, fine-tuning includes screwed pipe and regulating wheel, the screwed pipe is fixed in the guide needle body outside, and the regulating wheel screw thread cup joints in the screwed pipe outside, it has the removal chamber that is used for the screwed pipe to move the usefulness to open in the cylinder, and the cylinder outside opens and have the regulation mouth of being connected with the regulating wheel rotation, the screwed pipe outer end is fixed with the stopper, realizes the slight displacement regulation to the guide needle body through fine-tuning to make personnel's contact pin position more accurate.

Preferably, the locating part includes spacing pipe, spacing pipe is fixed in the guide needle body outside to it is fixed with screwed pipe one end, and the equal angle of spacing outside of tubes side is opened has a plurality of spacing grooves, it is fixed with a plurality of spacing strips to remove intracavity and correspond spacing groove position department, realize the spacing processing to the guide needle body through the locating part.

Preferably, the outer side of the needle cylinder is in a streamline shape suitable for being held by hands of people, and the hands of the people are held by the needle cylinder respectively, so that the needle cylinder is more labor-saving and comfortable to hold.

Preferably, one end of the needle cylinder is fixed with a guide tube which is in sliding connection with the outer side of the guide needle body, and the guide tube plays a role in improving certain stability of the guide needle body.

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

the utility model discloses a rotation fine-tuning in the mechanism regulating wheel to the realization is adjusted feeding of guide needle body, makes the antedisplacement that the guide needle body can be stable, and the cooperation is observed the image guide pjncture needle that ultrasonic diagnostic equipment shows and is punctured, thereby makes to insert the focus position more accurate, when avoiding because the manual contact pin of personnel, because of the careless or its reason of operation, causes the pjncture needle stability not enough, makes the needle point deviate from or impale pathological change position, leads to the treatment failure.

Drawings

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

FIG. 2 is a schematic view of the present invention in a partial cross-sectional view;

fig. 3 is a schematic view of the fine adjustment mechanism of the present invention.

In the figure: 1-a guide needle body; 2-a needle cylinder; 3-fine adjustment mechanism; 4-a threaded pipe; 5-a regulating wheel; 6-a moving cavity; 7-an adjusting port; 8-a limiting member; 9-a limiting pipe; 10-a limiting groove; 11-a limit bar; 12-guide tube.

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. 1-3, an ultrasonic guide needle shown in the drawings comprises a guide needle body 1, a needle cylinder 2 and a fine adjustment mechanism 3, in order to make the holding of the needle cylinder 2 more comfortable and labor-saving, the outer side of the needle cylinder 2 is designed into a streamline shape suitable for the hand holding of a person, the needle cylinder 2 is sleeved on the outer side of the tail end of the guide needle body 1, and the fine adjustment mechanism 3 for stably inserting the needle body 1 into a focus is installed at the tail end of the guide needle body 1 and connected with the needle cylinder 2.

The fine adjustment mechanism 3 comprises a threaded pipe 4 and an adjusting wheel 5, the threaded pipe 4 is fixed on the outer side of the guide needle body 1, the adjusting wheel 5 is in threaded sleeve connection with the outer side of the threaded pipe 4, a moving cavity 6 for moving the threaded pipe 4 is formed in the needle cylinder 2, an adjusting opening 7 in rotary connection with the adjusting wheel 5 is formed in the outer side of the needle cylinder 2, a limiting piece 8 is fixed at the outer end of the threaded pipe 4, and after a person holds the needle cylinder 2, the adjusting wheel 5 is adjusted by using the mutual matching of a thumb and a forefinger, so that the guide needle body 1 is stably adjusted in a moving mode;

the limiting part 8 comprises a limiting pipe 9, the limiting pipe 9 is fixed on the outer side of the guide needle body 1 and is fixed with one end of the threaded pipe 4, a plurality of limiting grooves 10 are formed in the outer side of the limiting pipe 9 at equal angles, a plurality of limiting strips 11 are fixed in the moving grooves corresponding to the positions of the limiting grooves 10, and the limiting strips 11 are clamped with the limiting grooves 10, so that the guide needle body 1 is prevented from rotating, and the guide needle is more stable to move;

the principle of avoiding the contact pin unstable in the stable removal of guide pin body 1 is realized: at first personnel find the contact pin position, aim at guide needle body 1 and insert the department, the picture through observing ultrasonic diagnostic equipment demonstration guides the pjncture needle and punctures, when piercing a section distance and being close to the focus soon, personnel change to use fine adjustment mechanism 3 to carry out the stability to guide needle body 1 this moment and advance, utilize the thumb to mutually support with the forefinger, realize the regulation to regulating wheel 5, make screwed pipe 4 can drive guide needle body 1 and move forward, and utilize locating part 8 to avoid its rotation, thereby can accurately pierce the focus, when avoiding because personnel's manual contact pin, because of careless or its reason of operation, cause the pjncture needle stability not enough, make the needle point deviate from or pierce through pathological change position, lead to the treatment failure.

In order to more stably guide the movement of the needle body 1, a guide tube 12 slidably connected to the outside of the needle body 1 is fixed to one end of the cylinder 2.

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. An ultrasound guided needle, comprising:

a guide needle body (1);

the needle cylinder (2), the needle cylinder (2) is sleeved outside the tail end of the guide needle body (1);

the fine adjustment mechanism (3) is used for guiding the needle body (1) to be stably inserted into a focus, is arranged at the tail end of the guiding needle body (1) and is connected with the needle cylinder (2);

the fine adjustment mechanism (3) comprises a threaded pipe (4) and an adjusting wheel (5), the threaded pipe (4) is fixed on the outer side of the guide needle body (1), the adjusting wheel (5) is in threaded sleeve connection with the outer side of the threaded pipe (4), a moving cavity (6) for moving the threaded pipe (4) is formed in the needle cylinder (2), an adjusting opening (7) in rotary connection with the adjusting wheel (5) is formed in the outer side of the needle cylinder (2), and a limiting piece (8) is fixed at the outer end of the threaded pipe (4);

the limiting piece (8) comprises a limiting tube (9), the limiting tube (9) is fixed on the outer side of the guide needle body (1) and is fixed with one end of the threaded tube (4), a plurality of limiting grooves (10) are formed in the outer side of the limiting tube (9) at equal angles, and a plurality of limiting strips (11) are fixed in the movable cavity (6) corresponding to the positions of the limiting grooves (10);

the outer side of the needle cylinder (2) is in a streamline shape suitable for being held by the hand of a person;

one end of the needle cylinder (2) is fixed with a guide tube (12) which is connected with the outer side of the guide needle body (1) in a sliding way.