CN212282574U

CN212282574U - Removable human radiotherapy location gold mark implantation device

Info

Publication number: CN212282574U
Application number: CN202020819678.3U
Authority: CN
Inventors: 李小波; 徐本华; 董芳芬; 江柳青; 郑芬; 郭岚晏; 林庆良
Original assignee: Tsinghua University; Union Medical College Hospital of Fujian Medical University
Current assignee: Tsinghua University; Union Medical College Hospital of Fujian Medical University
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-05
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a removable human body radiotherapy positioning gold mark implanting device, which comprises a gold mark and a puncture needle; the gold mark is arranged in a needle cylinder of the puncture needle when in use, and comprises a gold mark head part and a gold mark tail part connected with the gold mark head part; the gold mark tail part is a flexible medical fine line; the puncture needle comprises a needle cylinder and a needle core; the front end of the needle core is a needle point, and the front end of the needle core is slightly smaller than the inner diameter of the needle cylinder; the tail of the needle cylinder is connected with a handle; the tail part of the needle cylinder is a funnel-shaped cavity; the side of the funnel-shaped cavity is provided with a gold mark filling hole. The gold mark tail part made of medical fine lines is connected to the head part of the gold mark, so that after the gold mark is implanted, the gold mark is externally pasted on the body surface by using a medical adhesive tape, and the gold mark fixing effect is better. The flat-top syringe can reduce the influence on the wound as small as possible, the best puncture effect is achieved by matching with the solid needle point, and the head of the gold mark is taken out by pulling the tail of the gold mark after the radiotherapy of a patient is finished, so that foreign matters are prevented from remaining in the body.

Description

Removable human radiotherapy location gold mark implantation device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a device is implanted to human radiotherapy location gold mark of removable.

Background

The wave-shooting knife, also known as a stereotactic wave-shooting operation platform, also known as a network knife or a computer knife, is the latest global whole body stereotactic radiosurgery treatment equipment. The radiation therapy device can treat tumors of all parts of the whole body, can kill tumor tissues by only 3-5 times of irradiation, is a unique whole body radiation operation mode integrating the advantages of no wound, no pain, no bleeding, no anesthesia, short recovery period and the like, and can be used for returning home after operation of a patient.

Before the treatment of the wave-jet knife, a gold mark is implanted near the tumor (namely a target area) under the guidance of an image so as to facilitate the tracking of the position of the tumor during the treatment of the wave-jet knife and realize accurate treatment, wherein the gold mark is a pure gold particle, the length of the gold mark is 3-5 mm, and the diameter of the gold mark is 0.70-0.80 mm. The tumor position is obtained in real time through digital images, and the treatment rays are guided to carry out automatic correction. There are many modes for radiation therapy tracking and image registration, but for a specific radiation therapy device such as a respiratory tracking mode and a gold mark tracking mode of a radiowave knife, a gold mark needs to be implanted in a human body, and existing gold marks are smooth cylinders or compact and smooth hollow thread designs. Meanwhile, after treatment, the gold mark cannot be taken out, and the gold mark can cause certain influence on the human body after being left in the body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a removable human body radiotherapy positioning gold mark implanting device which is convenient to implant and has a gold mark which is not easy to shift and a removable gold mark.

The utility model discloses a realize through following mode: a removable human body radiotherapy positioning gold mark implantation device comprises a gold mark and a puncture needle; the gold mark is arranged in the needle cylinder of the puncture needle when in use, and is characterized in that: the gold mark comprises a gold mark head part and a gold mark tail part connected with the gold mark head part; the gold mark tail part is a flexible medical fine line; the puncture needle comprises a needle cylinder and a needle core; the front end of the needle core is a needle point, and the front end of the needle core is slightly smaller than the inner diameter of the needle cylinder; the tail of the needle cylinder is connected with a handle; the tail part of the needle cylinder is a funnel-shaped cavity; the side of the funnel-shaped cavity is provided with a gold mark filling hole.

Furthermore, the head part of the gold mark is a cylinder, and the head part of the gold mark is provided with a connecting hole for connecting the tail part of the gold mark conveniently.

Further, the gold-labeled tail is preferably a non-absorbable surgical suture.

Furthermore, a guide hole communicated with the needle cylinder is arranged in the handle; and a limiting plate is arranged at the top of the guide hole.

Furthermore, the tail part of the needle core is provided with a push-pull part.

Further, the needle cylinder is flat-top type.

Furthermore, the needle point of the needle core is in a burr shape.

Further, when the needle core is pushed to the bottom, the needle tip part of the needle core slightly exceeds the bottom end of the needle cylinder.

Furthermore, the length of the tail part of the gold mark is equal to that of the needle cylinder.

The beneficial effects of the utility model reside in that: through the gold mark afterbody of connecting by the preparation of medical treatment fine rule on the gold mark head for the back is implanted to the gold mark, and the outside medical sticky tape that uses is pasted at the body surface, and the fixed effect of gold mark will be better, and the gold mark afterbody leads to the gold mark position by the simultaneous movement with stomach wall or chest wall tractive when can preventing to breathe, avoids the gold mark to remove during the treatment, improves the accuracy nature of treatment. The utility model discloses the device can be convenient with the gold mark implant internal, the syringe of flat-top type can be as little as possible the reduction to the influence of wound, cooperates solid needle point to reach best puncture effect. The head of the gold mark is taken out by pulling the tail of the gold mark after the radiotherapy of the patient is finished, so that the foreign body is prevented from remaining in the body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

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

FIG. 2 is a structural use state diagram of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1-2, a removable human body radiotherapy positioning gold mark implanting device comprises a gold mark 1 and a puncture needle 2; the gold mark 1 is arranged in the needle cylinder 21 of the puncture needle 2 when in use, and is characterized in that: the gold mark 1 comprises a gold mark head part 11 and a gold mark tail part 12 connected with the gold mark head part 11; the gold-labeled tail part 12 is a flexible medical fine wire; the puncture needle 2 comprises a needle cylinder 21 and a needle core 22; the front end of the needle core 22 is a needle point 221, and the front end of the needle core 22 is slightly smaller than the inner diameter of the needle cylinder 21; the tail part of the needle cylinder 21 is connected with a handle 23; the tail part of the needle cylinder 21 is a funnel-shaped cavity 211; the side of the funnel-shaped cavity 211 is provided with a gold mark filling hole 212.

Furthermore, the gold mark head 11 is a cylinder, and the gold mark head 11 is provided with a connecting hole for connecting the gold mark tail 12 conveniently.

Further, the gold-labeled tail 12 is preferably a non-absorbable surgical suture.

Further, a guide hole 24 communicated with the needle cylinder 21 is arranged in the handle 23; and a limiting plate 25 is arranged at the top of the guide hole 24.

Further, the rear portion of the stylet 22 is provided with a push-pull portion 26.

Further, the cylinder 21 is of a flat top type.

Further, the needle tip 221 of the needle core 22 is shaped like a burr.

Further, when the needle core 22 is pushed to the bottom, the needle point 221 of the needle core 22 slightly exceeds the bottom end of the needle cylinder 21.

Further, the length of the gold mark tail 12 is equal to the length of the needle cylinder 21.

The working principle is as follows: the needle core 22 is pushed to the bottom, so that the top of the needle core 22 slightly exceeds the top of the needle cylinder 21; then the puncture needle 2 is implanted into a target area through the body surface; slowly withdrawing the needle core 22 to empty a passage in the needle cylinder 21; the gold mark head part 11 is pushed into the gold mark filling hole 212, and the gold mark head part 11 enters the needle cylinder 21 through the funnel-shaped cavity 211; slowly pushing in the stylet 22 again until the end; the needle core 22 drives the gold mark head 11 to reach the top end of the needle cylinder 21; slowly extracting the needle core 22 out of the needle cylinder 21, and then integrally extracting the puncture needle 2; the gold mark tail part 12 reserved outside the body surface is stuck and fixed on the body surface by using a medical adhesive plaster; implanting the rest of the gold labels 1 again in the above manner to complete the implantation and fixation of a plurality of gold labels 1; after the whole treatment is finished, the medical adhesive plaster stuck on the body surface is torn off, and the head part 11 of the gold label is removed from the human body by pulling the tail part 12 of the gold label.

Through connecting the gold mark afterbody 12 by the preparation of medical treatment fine rule on gold mark head 11 for behind the gold mark 1 implantation, the outside medical tape that uses is pasted at the body surface, and the fixed effect of gold mark 1 will be better, and gold mark afterbody 12 and abdominal wall or chest wall tractive lead to the gold mark position by the simultaneous movement when can preventing to breathe, avoid the gold mark 1 to remove during the treatment, improve the accuracy nature of treatment. The utility model discloses the device can be convenient with gold mark 1 implantation in vivo, through the guide of funnel-shaped cavity 211, make things convenient for gold mark head 11 to slide smoothly into cylinder 21, reduced the operation degree of difficulty, make gold mark head 11 keep the vertical state in cylinder 21 simultaneously; the retainer plate 25 can prevent the needle core 22 from being pulled out of the guide hole 24 when retracting; the flat-top syringe 21 can reduce the influence on the wound as small as possible, can ensure that the puncture needle can not damage surrounding tissues and organs after being introduced into a human body, and avoids potential risks; the utility model discloses well nook closing member 22's needle point 221 is lance thorn form, can guarantee the smooth and easy nature that nook closing member 22 pierces target area, cooperates solid needle point to reach the best puncture effect. The head of the gold mark is taken out by pulling the tail of the gold mark after the radiotherapy of the patient is finished, so that the foreign body is prevented from remaining in the body.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 removable human body radiotherapy positioning gold mark implanting device comprises a gold mark (1) and a puncture needle (2); the gold mark (1) is arranged in a needle cylinder (21) of the puncture needle (2) when in use, and is characterized in that: the gold mark (1) comprises a gold mark head part (11) and a gold mark tail part (12) connected with the gold mark head part (11); the gold mark tail part (12) is a flexible medical fine line; the puncture needle (2) comprises a needle cylinder (21) and a needle core (22); the front end of the needle core (22) is a needle point (221), and the front end of the needle core (22) is slightly smaller than the inner diameter of the needle cylinder (21); the tail part of the needle cylinder (21) is connected with a handle (23); the tail part of the needle cylinder (21) is a funnel-shaped cavity (211); the side surface of the funnel-shaped cavity (211) is provided with a gold mark filling hole (212).

2. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the gold mark head part (11) is a cylinder, and a connecting hole for connecting the gold mark tail part (12) is formed in the gold mark head part (11).

3. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the gold-labeled tail (12) is preferably a non-absorbable surgical suture.

4. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: a guide hole (24) communicated with the needle cylinder (21) is arranged in the handle (23); and a limiting plate (25) is arranged at the top of the guide hole (24).

5. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the tail part of the needle core (22) is provided with a push-pull part (26).

6. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the needle cylinder (21) is flat-top type.

7. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the needle point (221) of the needle core (22) is in a burr shape.

8. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: when the needle core (22) is pushed to the bottom, the needle point (221) part of the needle core (22) slightly exceeds the bottom end of the needle cylinder (21).

9. The removable positioning gold-labeled human body radiotherapy implantation device according to claim 1, wherein: the length of the gold mark tail part (12) is equal to that of the needle cylinder (21).