CN210903262U

CN210903262U - Puncture needle for interventional therapy

Info

Publication number: CN210903262U
Application number: CN201921151849.3U
Authority: CN
Inventors: 唐石晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-07-03
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a pjncture needle for intervene treatment, include: the needle tubing, the needle tubing is equipped with the fixing base all around and passes through the bolt fastening, the inside bracing piece that is equipped with of fixing base, the bracing piece passes through to rotate between loose axle and the fixing base and is connected, the bracing piece bottom is equipped with the cushion, the inside medicinal liquid jar that is equipped with of needle tubing, the medicinal liquid jar lower part is equipped with the fixture block and unites rather than each other, the fixture block lower part is equipped with the spring, the spring lower part is equipped with the fixed block, the inside mount that is equipped with of medicinal liquid jar, the inside through-hole that is equipped with of mount, the through-hole inboard is equipped with the telescopic link, the telescopic link lower. The utility model discloses a set up the bracing piece and cooperate the needle tubing to use, can the effective control depth of penetration to improved the stability of pjncture needle, replaced the syringe through the device of dosing and used, the operation of being convenient for has reduced medical personnel's working strength.

Description

Puncture needle for interventional therapy

Technical Field

The utility model relates to the technical field of medical equipment, more specifically is a pjncture needle for intervene treatment.

Background

Interventional radiology, also called interventional therapeutics, is an emerging discipline combining image diagnosis and clinical treatment, which has been rapidly developed in recent years. Under the guidance and monitoring of digital subtraction angiography machine, CT, ultrasonic and magnetic resonance imaging equipment, puncture needle, catheter and other interventional devices are used to introduce specific instrument into the pathological change part of human body via natural pore canal or small wound for minimally invasive treatment. It is the clinical three-column discipline which is parallel to the traditional internal medicine and surgery.

At present, a puncture needle is used in interventional puncture treatment, but the prior puncture needle has the following defects: 1. the existing puncture needle is difficult to control the puncture depth and cannot keep stability for the puncture needle; 2. when the medicine needs to be injected, the injection is often carried out in a syringe mode, and the operation is unstable. Therefore, a new technical solution needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for interveneeing treatment, this pjncture needle has good stability, and is convenient for operate when the medicine is injected, has reduced medical personnel's working strength.

In order to achieve the above object, the utility model provides a following technical scheme: a needle for interventional procedures, comprising: the needle tube, the needle tube is provided with a fixed seat around and fixed by bolts, the fixed seat is internally provided with a support rod, the support rod is rotatably connected with the fixed seat by a movable shaft, the bottom of the support rod is provided with a cushion block, the needle tube is internally provided with a liquid medicine tank, the lower part of the liquid medicine tank is provided with a clamping block and mutually combined with the clamping block, the lower part of the clamping block is provided with a spring, the lower part of the spring is provided with a fixed block, the clamping block is telescopically connected with the fixed block by the spring, the liquid medicine tank is internally provided with a fixed frame, the fixed frame is internally provided with a through hole, the inner side of the through hole is provided with a telescopic rod, the lower part of the telescopic rod is provided with a ball valve, the ball valve is vertically telescopic by the telescopic rod, the novel medicine feeding device is characterized in that an ejector rod is arranged inside the connecting block, the ejector rod is in contact with the ball valve, an inserting block is arranged on the lower portion of the needle tube, a puncture needle is arranged inside the inserting block, and the puncture needle is in threaded connection with the connecting block and communicated with a medicine feeding opening.

As a preferred embodiment of the utility model, the liquid medicine tank top is equipped with the spiral cover, threaded connection between spiral cover and the liquid medicine tank.

As a preferred embodiment of the present invention, locking members are disposed on both sides of the insertion block, and the locking members are connected to the insertion block by screw threads and contact with the puncture needle.

In a preferred embodiment of the present invention, the needle tube has a holding groove on a surface thereof, and the holding groove and the needle tube are integrally formed.

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

(1) the utility model discloses a set up the bracing piece and cooperate the needle tubing to use, can effective control depth of penetration to the stability of pjncture needle has been improved.

(2) The utility model discloses a device of dosing replaces the syringe to use, and the operation of being convenient for has reduced medical personnel's working strength.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the needle tube of the present invention;

fig. 3 is a schematic view of the top view structure of the fixing frame of the present invention.

In the drawing, a needle tube-1, a screw cap-2, a holding groove-3, a fixed seat-4, a support rod-5, a cushion block-6, an insertion block-7, a puncture needle-8, a locking piece-9, a liquid medicine tank-10, a fixed frame-11, a clamping block-12, a spring-13, a telescopic rod-14, a through hole-15, a fixed block-16, a ball valve-17, a medicine feeding opening-18, a mandril-19 and a connecting block-20.

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, the present invention provides a technical solution: a needle for interventional procedures, comprising: the needle tube 1, the needle tube 1 is provided with a fixed seat 4 around and fixed by bolts, the fixed seat 4 is internally provided with a support rod 5, the support rod 5 is rotatably connected with the fixed seat 4 by a movable shaft, the bottom of the support rod 5 is provided with a cushion block 6, the needle tube 1 is supported by the support rod 5 so as to ensure the stability of a puncture needle 8 during the puncture work and improve the puncture precision, the needle tube 1 is internally provided with a liquid medicine tank 10, the lower part of the liquid medicine tank 10 is provided with a clamping block 12 and is mutually combined with the clamping block 12, the lower part of the clamping block 12 is provided with a spring 13, the lower part of the spring 13 is provided with a fixed block 16, the clamping block 12 is telescopically connected with the fixed block 16 by the spring 13, the liquid medicine tank 10 is internally provided with a fixed frame 11, the fixed frame 11 is internally provided with a through, the medicine discharging port 18 and the ball valve 17 are mutually embedded, the lower portion of the medicine discharging port 18 is provided with the connecting block 20, the medicine discharging port 18 is in telescopic connection with the connecting block 20, the ejector rod 19 is arranged inside the connecting block 20, the ejector rod 19 is in contact with the ball valve 17, the lower portion of the needle tube 1 is provided with the inserting block 7, the inserting block 7 is internally provided with the puncture needle 8, the puncture needle 8 is in threaded connection with the connecting block 20 and is communicated with the medicine discharging port 18, the medicine needs to be injected to enable the medicine to lightly drip the liquid container 10, the liquid medicine container 10 is pressed down through the spring 13, the ball valve 17 inside the medicine discharging port 18 is in contact with the ejector rod 19 inside the connecting block 20, the ball valve 17 is jacked up, the liquid medicine flows into the puncture needle 8 along the medicine discharging port 18, medicine injection is completed.

Further improved, as shown in fig. 1: the top of medicinal liquid jar 10 is equipped with spiral cover 2, threaded connection between spiral cover 2 and the medicinal liquid jar 10, and threaded connection between spiral cover 2 and the medicinal liquid jar 10 has increased the leakproofness of medicinal liquid jar 10, conveniently opens medicinal liquid jar 10 simultaneously and adds the medicine.

Further improved, as shown in fig. 1: locking parts 9 are arranged on two sides of the insertion block 7, the locking parts 9 are in threaded connection with the insertion block 7 and are in contact with the puncture needle 8, the locking parts 9 are rotated, the locking parts 9 extend inwards to be in contact with the puncture needle 8, the puncture needle 8 is fixed, the stability of the puncture needle 8 is improved, and meanwhile, the puncture needle 8 is convenient to replace.

Further improved, as shown in fig. 1: the surface of the needle tube 1 is provided with a holding groove 3, the holding groove 3 and the needle tube 1 are integrally formed, and the friction force between the hand and the needle tube 1 is increased due to the arrangement of the holding groove 3, so that the holding stability of medical staff is ensured.

The utility model discloses when using, support needle tubing 1 through setting up bracing piece 5, in order to guarantee the puncture during operation, puncture needle 8's stability, improve the puncture precision, it makes light point medicinal liquid jar 10 to need the injection medicine, make medicinal liquid jar 10 push down through spring 13, make the inside ball valve 17 of 18 inside of medicine mouths and the inside ejector pin 19 contact of connecting block 20 down, jack-up ball valve 17, make the medicinal liquid along 18 inflow pjncture needles 8 of medicine mouths down, accomplish the medicine injection, loosen medicinal liquid jar 10, telescopic link 14 pushes down ball valve 17 and closes medicine mouths 18 down, the device easy operation is practical.

The product protected by the scheme is put into practical production and application at present, and particularly has certain success in the field of medical instruments, so that the technical scheme of the product is obviously proved to be beneficial, meets social requirements, and is suitable for batch production and popularization and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A needle for interventional procedures, comprising: the method comprises the following steps: the needle tube (1), the needle tube (1) is provided with a fixing seat (4) on the periphery and fixed by bolts, a support rod (5) is arranged inside the fixing seat (4), the support rod (5) is rotatably connected with the fixing seat (4) through a movable shaft, a cushion block (6) is arranged at the bottom of the support rod (5), a liquid medicine tank (10) is arranged inside the needle tube (1), a clamping block (12) is arranged on the lower portion of the liquid medicine tank (10) and is mutually combined with the clamping block, a spring (13) is arranged on the lower portion of the clamping block (12), a fixing block (16) is arranged on the lower portion of the spring (13), the clamping block (12) is telescopically connected with the fixing block (16) through the spring (13), a fixing frame (11) is arranged inside the liquid medicine tank (10), a through hole (15) is arranged inside the fixing frame (11), a telescopic rod (14) is arranged, ball valve (17) are flexible from top to bottom through telescopic link (14), ball valve (17) lower part is equipped with down medicine mouth (18), gomphosis each other between medicine mouth (18) and ball valve (17) down, medicine mouth (18) lower part is equipped with connecting block (20) down, telescopic connection between medicine mouth (18) and connecting block (20) down, inside ejector pin (19) that is equipped with of connecting block (20), ejector pin (19) and ball valve (17) contact each other, needle tubing (1) lower part is equipped with plug block (7), plug block (7) inside is equipped with pjncture needle (8), threaded connection and be linked together with medicine mouth (18) down between pjncture needle (8) and connecting block (20).

2. A puncture needle for interventional therapy according to claim 1, characterized in that: the top of the liquid medicine tank (10) is provided with a screw cap (2), and the screw cap (2) is in threaded connection with the liquid medicine tank (10).

3. A puncture needle for interventional therapy according to claim 1, characterized in that: the insertion block (7) is provided with locking pieces (9) on two sides, and the locking pieces (9) are in threaded connection with the insertion block (7) and are in contact with the puncture needle (8).

4. A puncture needle for interventional therapy according to claim 3, characterized in that: the surface of the needle tube (1) is provided with a holding groove (3), and the holding groove (3) and the needle tube (1) are integrally formed.