CN211131312U

CN211131312U - Tumor minimally invasive interventional therapy puncture needle

Info

Publication number: CN211131312U
Application number: CN201921850960.1U
Authority: CN
Inventors: 宋飞; 向盈盈; 黄明; 杨银山; 谭华; 赵玲; 笪彬彬
Original assignee: Third Affiliated Hospital of Kunming Medical University; Yanan Hospital of Kunming City
Current assignee: Third Affiliated Hospital of Kunming Medical University; Yanan Hospital of Kunming City
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-31
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a tumor minimally invasive interventional therapy puncture needle, which comprises a puncture needle body, wherein the puncture needle body is a cylindrical cavity, one end of the puncture needle body is provided with a first opening, the end of the puncture needle body, which is away from the first opening, is provided with a first through hole, the inner side wall of the puncture needle body is provided with a first annular groove, the inner side wall of the first annular groove is slidably connected with an annular slider, the inner side wall of the annular slider is fixedly connected with a sleeve, the inner side wall of the sleeve is screwed with a movable plate, the inner side wall of the sleeve is positioned close to one end of an adjusting ring, the movable plate is screwed in the sleeve by rotating the connecting sleeve in the puncture needle body, and the movable plate can be controlled to move back and forth by rotating the sleeve, so that the length of a needle head is adjusted to be proper, medical staff only need insert the device completely in the affected part can, alleviateed the operation degree of difficulty.

Description

Tumor minimally invasive interventional therapy puncture needle

Technical Field

The utility model relates to an intervene branch of academic or vocational study equipment technical field, concrete field is a tumour wicresoft intervenes treatment pjncture needle.

Background

The tumor is medically the abnormal pathological changes of the cells, make some cells of the body have uncontrolled hyperplasia, many will concentrate into the lump, the tumor is divided into benign tumor, malignant tumor, benign tumor growth rate is slow, the surface is relatively smooth, and does not invade the adjacent normal tissue, form the envelope around the tumor body often, therefore it is generally not fatal to divide the benign tumor with the normal tissue obviously, most can be totally resected, there is few recurrence; cancer is the most common malignant tumor, which is divided into epithelial "cancer" and mesenchymal "sarcoma", in which the proliferating cells, besides being aggregated into lumps, can spread to other parts to proliferate and cause harm to human body. The method for clinically treating the tumor is to remove the tumor to avoid the tumor from continuously growing to cause damage to a human body, but the tumor removal operation has a large wound which is not easy to recover, and great pain is caused to a patient.

The existing instrument for tumor interventional therapy is mostly a single puncture needle and consists of a puncture needle and a piston which are connected to a needle cylinder, tissue fluid is absorbed through pulling the piston during use, the use length of the puncture needle can not be adjusted according to the tumor puncture requirement during operation, and in the puncture process, the needle cylinder is required to be held for puncture, so that the operation is very inconvenient, and the tumor minimally invasive interventional therapy puncture needle is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a treatment pjncture needle is intervene to tumour wicresoft to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tumor minimally invasive interventional therapy puncture needle comprises a puncture needle body, wherein the puncture needle body is a cylindrical cavity, a first opening is formed in one end of the puncture needle body, a first through hole is formed in one end, away from the first opening, of the puncture needle body, a first annular groove is formed in the inner side wall of the puncture needle body, an annular slider is connected to the inner side wall of the first annular groove in a sliding mode, a sleeve is fixedly connected to the inner side wall of the annular slider and located inside the puncture needle body, an adjusting ring is fixedly connected to one end, close to the first opening, of the puncture needle body, an internal thread is formed in the inner side wall of the sleeve, a movable plate is connected to the inner side wall of the sleeve in a threaded mode, the end face of the movable plate penetrates through one end provided with a needle head, the other, the guide rod with the axle center parallel arrangement of pjncture needle body, the guide rod passes the fly leaf and with fly leaf sliding connection, telescopic inside wall just is located and is close to the one end fixedly connected with end cap of adjustable ring.

Preferably, the adjustment ring is in intimate contact with the needle body.

Preferably, one end of the guide rod, which is close to the plug, is fixedly connected with a limiting plate.

Preferably, the length of the guide rod is smaller than the length of the needle.

Preferably, the end cap includes the body, the terminal surface of body is equipped with the second through-hole, the inside wall of second through-hole is close to the first spacing ring of the one end fixedly connected with of fly leaf, the inside wall of second through-hole is kept away from the one end fixedly connected with second spacing ring of first spacing ring, the inside wall sliding connection of second through-hole has the sleeve pipe, the sleeve pipe is cylindrical cavity, the sleeve pipe orientation the one end of second spacing ring is equipped with the second opening, sheathed tube lateral wall is equipped with the third through-hole, the lateral wall of body is equipped with the second ring channel, first spacing ring with be equipped with the spring between the sleeve pipe.

Preferably, the side wall of the puncture needle body is provided with an observation port corresponding to the sleeve and close to the plug.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a tumour wicresoft intervenes treatment pjncture needle, through setting up the pjncture needle body, the operation of puncturing is carried out to handheld pjncture needle body at puncture in-process, it is comparatively convenient to make the puncture process, through at this internal rotation connecting sleeve of pjncture needle, and at telescopic inside spiro union fly leaf, through setting up the pjncture needle at the fly leaf terminal surface, through setting up the guide arm between fly leaf and pjncture needle body, make the fly leaf can be along guide arm round trip movement, and rotate the sleeve and can control fly leaf round trip movement, thereby adjust the length of syringe needle, make when the puncture, the syringe needle is suitable length, medical staff only need with the device.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic left-side sectional structure of the present invention;

fig. 4 is a schematic view of the sectional structure of the plug.

In the figure: 1-puncture needle body, 2-first opening, 3-first through hole, 4-first annular groove, 5-annular slide block, 6-sleeve, 7-adjusting ring, 8-movable plate, 9-needle head, 10-guide rod, 11-observation hole, 12-plug, 1201-body, 1202-second through hole, 1203-first limiting ring, 1204-second limiting ring, 1205-sleeve, 1206-second opening, 1207-third through hole, 1208-second annular groove, 1209-spring and 13-limiting plate.

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, the present invention provides a technical solution: a tumor minimally invasive interventional therapy puncture needle comprises a puncture needle body 1, as shown in figures 2 and 3, the puncture needle body 1 is a cylindrical cavity and is convenient for medical staff to hold, the puncture needle body 1 is made of medical stainless steel and is convenient for the medical staff to exert force when in use so that the device can be conveniently punctured into an affected part, as shown in figure 1, one end of the puncture needle body 1 is provided with a first opening 2, one end of the puncture needle body 1, which is far away from the first opening 2, is provided with a first through hole 3, the first through hole 3 is positioned at the axle center of the puncture needle body 1, the inner side wall of the puncture needle body 1 is provided with a first annular groove 4, the inner side wall of the first annular groove 4 is slidably connected with an annular sliding block 5, the annular sliding block 5 can rotate inside the first annular groove 4, and the inner side wall of the annular sliding block 5, one end of the sleeve 6, which is far away from the first opening 2, should be close to the side wall of the puncture needle body 1 enough, so as to ensure the length of the sleeve 6, the sleeve 6 is located inside the puncture needle body 1, the outer side wall of the sleeve 6 contacts with the inner side wall of the puncture needle body 1, so as to enable the connection between the sleeve 6 and the puncture needle body 1 to be more stable, one end of the puncture needle body 1, which is close to the first opening 2, is fixedly connected with an adjusting ring 7, the adjusting ring 7 is rotated to drive the sleeve 6 to rotate, the inner side wall of the sleeve 6 is provided with internal threads, the inner side wall of the sleeve 6 is screwed with a movable plate 8, the end surface of the movable plate 8 penetrates through one end provided with a needle head 9, the other end of the needle head 9 penetrates through the first through hole 3, and the space, the blood is prevented from entering the interior of the puncture needle body 1 from the position to pollute the equipment, a guide rod 10 is fixedly connected to the inner side wall of the puncture needle body 1, the guide rod 10 is parallel to the axis of the puncture needle body 1, the guide rod 10 penetrates through the movable plate 8 and is slidably connected with the movable plate 8, the guide rod 10 limits the degree of freedom of the movable plate 8, so that the movable plate 8 can only move along the guide rod 10, when the sleeve 6 rotates, the movable plate 8 cannot rotate with the sleeve 6 simultaneously, and then moves under the matching of threads, and simultaneously, due to the self-locking characteristic of the thread matching, when the needle head 9 is stressed, the movable plate 8 cannot be driven to move, and the length of the sleeve 6 is ensured, so that the stroke of the movable plate 8 is increased, and the adjustable range of the length of the needle head 9 is ensured, and a plug 12 is fixedly connected to one end, close to the adjusting ring 7, of the inner side wall of the sleeve 6.

Specifically, the adjusting ring 7 is in close contact with the puncture needle body 1, so that external contaminants such as dust and blood cannot enter the device through a gap between the adjusting ring 7 and the puncture needle body 1, and the device is contaminated.

Specifically, a limiting plate 13 is fixedly connected to one end of the guide rod 10 close to the plug 12, and when the movable plate 8 moves to one end of the guide rod 10 close to the plug 12, the movable plate 8 contacts the limiting plate 13 and cannot move continuously, so that the movable plate 8 cannot be separated from the guide rod 10.

Specifically, the length of the guide rod 10 is less than that of the needle 9, and when the movable plate 8 moves to an end close to the stopper 12, the needle 9 is longer than the guide rod 10, so that the needle 9 is still located outside the puncture needle body 1, and the needle 9 and the first through hole 3 still maintain a seal.

Specifically, as shown in fig. 4, the plug 12 includes a body 1201, an end surface of the body 1201 is provided with a second through hole 1202, the second through hole 1202 is in communication with the sleeve 6, one end of an inner side wall of the second through hole 1202 close to the movable plate 8 is fixedly connected with a first stop ring 1203, one end of the inner side wall of the second through hole 1202 far from the first stop ring 1203 is fixedly connected with a second stop ring 1204, an inner side wall of the second through hole 1202 is slidably connected with a sleeve 1205, the sleeve 1205 is in sealing contact with the sleeve 6, so that tissue fluid and blood can be blocked by the sleeve 1205, the sleeve 1205 is a cylindrical cavity, one end of the sleeve 1205 facing the second stop ring 1204 is provided with a second opening 1206, the side wall of the sleeve 1205 is provided with a third through hole 1207, the side wall of the body 1201 is provided with a second annular groove 1208, a spring 1209 is provided between the first stop ring 1203 and the sleeve 1205, the spring 1209 makes the sleeve 1205 contact with the second limit ring 1204, the third through hole 1207 contacts with the inner side wall of the puncture needle body 1, the third through hole 1207 is arranged on one side of the sleeve 1205 close to the first limit ring 1203, the second annular groove 1208 is arranged between the third through hole 1207 and the first limit ring 1203, the inner diameter of the second limit ring 1204 is the same as the outer diameter of the joint of the needle head of a conventional syringe, so that when the syringe is inserted by the second limit ring 1204, a seal can be formed between the syringe and the second limit ring 1204, and the inner diameter of the sleeve 1205 is smaller than that of the second limit ring 1204, so that when the syringe is inserted, the sleeve 1205 can abut against the end face of the sleeve 1205 to compress the spring 1209.

Specifically, as shown in fig. 2, an observation port 11 is provided on the side wall of the puncture needle body 1 corresponding to the sleeve 6 and near the plug 12, the observation port 11 is made of organic glass which is arranged on the side wall of the puncture needle body 1 in a penetrating manner, and the tissue fluid condition can be observed before the tissue fluid is extracted.

The working principle is as follows: the utility model is used for extracting the tissue fluid of the affected part when the puncture is performed with the minimally invasive interventional therapy of tumor, when in use, the adjusting ring 7 is rotated, the adjusting ring 7 drives the sleeve 6 to rotate, the sleeve 6 drives the movable plate 8 to move, and then the movable plate 8 drives the needle head 9 to move, thereby the length of the needle head 9 can be adjusted, after the proper length is adjusted, the puncture needle body 1 is held by hand and inserted into the affected part of the patient, because the needle head 9 is adjustable, after the needle head 9 is adjusted to the proper length, only the exposed needle head is required to be completely inserted into the body of the patient, the operation is simplified, after the insertion, the injector head is inserted by the second limit ring 1204, the injector head supports the sleeve 1205, so that the sleeve 1205 compresses the spring 1209, at the moment, the third through hole 1207 is contacted with the second annular groove 1208, the tissue fluid flows into the sleeve 6 by the, flows into the sleeve 1205 through the third through hole 1207, then contacts with the injector head through the second opening 1206, pulls the injector piston, and the tissue fluid is sucked into the injector.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 tumour wicresoft intervenes treatment pjncture needle, includes pjncture needle body (1), its characterized in that: the puncture needle comprises a puncture needle body (1), wherein the puncture needle body (1) is a cylindrical cavity, one end of the puncture needle body (1) is provided with a first opening (2), one end, far away from the first opening (2), of the puncture needle body (1) is provided with a first through hole (3), the inner side wall of the puncture needle body (1) is provided with a first annular groove (4), the inner side wall of the first annular groove (4) is connected with an annular sliding block (5) in a sliding manner, the inner side wall of the annular sliding block (5) is fixedly connected with a sleeve (6), the sleeve (6) is positioned inside the puncture needle body (1), one end, close to the first opening (2), of the puncture needle body (1) is fixedly connected with an adjusting ring (7), the inner side wall of the sleeve (6) is provided with an internal thread, the inner side wall of the sleeve (6) is screwed with a movable plate (8), the other end of syringe needle (9) passes first through-hole (3), inside wall fixedly connected with guide arm (10) of pjncture needle body (1), guide arm (10) with the axle center parallel arrangement of pjncture needle body (1), guide arm (10) pass fly leaf (8) and with fly leaf (8) sliding connection, the inside wall of sleeve (6) just is located and is close to the one end fixedly connected with end cap (12) of adjustable ring (7).

2. The minimally invasive interventional treatment puncture needle for tumors according to claim 1, characterized in that: the adjusting ring (7) is in close contact with the puncture needle body (1).

3. The minimally invasive interventional treatment puncture needle for tumors according to claim 1, characterized in that: one end of the guide rod (10) close to the plug (12) is fixedly connected with a limiting plate (13).

4. The minimally invasive interventional treatment puncture needle for tumors according to claim 3, characterized in that: the length of the guide rod (10) is less than that of the needle head (9).

5. The minimally invasive interventional treatment puncture needle for tumors according to claim 1, characterized in that: the plug (12) comprises a body (1201), a second through hole (1202) is formed in the end face of the body (1201), one end of the inner side wall of the second through hole (1202) close to the movable plate (8) is fixedly connected with a first limiting ring (1203), one end of the inner side wall of the second through hole (1202) far away from the first limit ring (1203) is fixedly connected with a second limit ring (1204), the inner side wall of the second through hole (1202) is connected with a sleeve (1205) in a sliding way, the sleeve (1205) is a cylindrical cavity body, a second opening (1206) is arranged at one end of the sleeve (1205) facing the second limit ring (1204), the side wall of the sleeve (1205) is provided with a third through hole (1207), the side wall of the body (1201) is provided with a second annular groove (1208), a spring (1209) is arranged between the first limiting ring (1203) and the sleeve (1205).

6. The minimally invasive interventional treatment puncture needle for tumors according to claim 1, characterized in that: an observation port (11) is formed in the position, close to the plug (12), of the sleeve (6) and corresponding to the side wall of the puncture needle body (1).