CN219355131U

CN219355131U - Guide plate device for outputting cervical cancer radiation particles

Info

Publication number: CN219355131U
Application number: CN202223375463.5U
Authority: CN
Inventors: 纪娟; 邱健; 杨延超; 陈华磊
Original assignee: Shaanxi Ruiyi Medical Technology Co ltd
Current assignee: Shaanxi Ruiyi Medical Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-07-18
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a guide plate device for outputting cervical cancer radioactive particles, which comprises a guide plate body, wherein the guide plate body is of a cylindrical structure, and a needle inlet hole for conveying the radioactive particles is formed in the guide plate body; the needle inlet hole penetrates from one end of the guide plate body to the side part of the guide plate body along the inside of the guide plate body, and the position of the needle inlet hole at the side part of the guide plate body corresponds to the cancerous position in the cervical; a mark for marking the relative position of the inlet and outlet of the pin hole is arranged on the guide plate body; the whole guide plate device is made of soft materials. When the device is used, the device penetrates from the anus of a patient, and the radioactive particles are conveyed to a designated cancerous place through the needle inlet hole for precise sterilization; meanwhile, the device is made of soft materials, so that stinging caused by penetration is avoided.

Description

Guide plate device for outputting cervical cancer radiation particles

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a guide plate device for outputting cervical cancer radioactive particles.

Background

Cervical cancer is the most common gynaecological malignancy. In-situ cancer has a high-incidence age of 30 to 35 years old and invasive cancer has a high-incidence age of 45 to 55 years old, and the incidence of the cancer has a tendency to be younger in recent years. Current treatment modalities are total hysterectomy, radiation therapy and chemotherapy. Radiation therapy is a precise treatment mode, and is to precisely kill by precisely placing radioactive particles in a cancerous region. Because the cancerous position is hidden, the cancerous position is difficult to accurately convey to the position, so that the treatment effect is limited, even other parts can be influenced, and great pain is caused to a patient.

Disclosure of Invention

Aiming at the technical requirements, the utility model provides a guide plate device for outputting cervical cancer radioactive particles, which avoids stinging during penetration and solves the problem of accurate placement of the radioactive particles.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the guide plate device for outputting cervical cancer radiation particles comprises a guide plate body, wherein the guide plate body is of a cylindrical structure, and a needle inlet hole for conveying the radiation particles is formed in the guide plate body; the needle inlet hole penetrates from one end part of the guide plate body to the side part of the guide plate body along the inside of the guide plate body, and the position of the needle inlet hole at the side part of the guide plate body corresponds to the cancerous position in the cervical; a mark for marking the relative position of the inlet and outlet of the pin hole is arranged on the guide plate body; the whole guide plate device is made of soft materials.

Optionally, a limiting piece for limiting the insertion depth of the guide plate body is arranged on the guide plate body, and the limiting piece is arranged on the guide plate body close to the inlet end of the needle inlet hole.

Further optionally, the limiting member is a ring disposed around the circumference of the guide plate body.

Optionally, one end of the guide plate body opposite to the inlet of the needle inlet hole is provided with a guide head.

Optionally, a horn-shaped circular ring is arranged at the inlet end of the pin inlet hole of the guide plate body; the sign is arranged on the inner side surface of the trumpet-shaped ring.

Optionally, the number of the needle inlet holes is set according to the number of the cervical cancers.

Optionally, the whole guide plate device is formed through 3D printing.

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

when the device is used, the device penetrates from the anus of a patient, and the radioactive particles are conveyed to a designated cancerous place through the needle inlet hole for precise sterilization; meanwhile, the device is made of soft materials, so that stinging caused by penetration is avoided.

Additional advantages of the utility model will be set forth in the description which follows.

Drawings

FIG. 1 is a schematic view showing the overall structure of a guide plate device according to an embodiment of the present utility model.

Meaning of each reference numeral in the drawings:

1-a guide plate body, 2-a limiting piece, 3-a horn-shaped circular ring and 4-a mark;

11-needle inlet holes and 12-guide heads;

111-inlet needle inlet, 112-outlet needle inlet.

Detailed Description

In the description of the utility model, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either direct or indirect connection, etc. Unless otherwise indicated, terms of orientation such as "upper, lower, front and rear" are generally defined with reference to the drawing plane of the corresponding drawing figures, and "inner and outer" are defined with reference to the outline of the corresponding drawing figures.

It is noted that the terminology used in the present utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present utility model. As used herein, unless the context clearly indicates otherwise, the singular forms also are intended to include the plural forms, and furthermore, it is to be understood that the terms "comprises" and "comprising" and any variations thereof are intended to cover a non-exclusive inclusion, e.g., a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The following detailed description of the preferred embodiments of the utility model is provided, however, the utility model is not limited to the specific embodiments described below, and modifications and equivalent arrangements can be made by those skilled in the art within the scope of the appended claims, which are intended to be included within the scope of the utility model.

The embodiment discloses a baffle device for outputting cervical cancer radiation particles, as shown in fig. 1, including the baffle body 1 of cylinder shape, be provided with the pinhole 11 that is used for carrying the radiation particle on the baffle body 1, the pinhole 11 link up to baffle body 1 lateral part along the baffle body is inside from one of them tip of baffle body 1, wherein, the mouth that pinhole 11 is located baffle body 1 tip is the pinhole import 111, the mouth that is located baffle body 1 lateral part is the pinhole export 112, and pinhole export 112 corresponds with the cancerous position in the cervical, the quantity of pinhole 11 sets up according to the cancerous quantity in the cervical.

The guide plate body 1 is provided with a mark 4 for marking the relative position of the inlet and outlet holes, and after the guide plate body is inserted, the relative position of the inlet and outlet holes 112 can be known through the mark 4.

The whole guide plate device is made of soft materials, so that the pricking pain during penetration is avoided, and the pain of a patient is reduced.

As a preferred scheme of the embodiment, a limiting piece 2 is arranged on the guide plate body 1 and is used for limiting the insertion depth of the guide plate body 1, and the limiting piece 2 is arranged on the guide plate body 1 close to the inlet 111 end of the needle inlet hole, so that the position of the needle inlet hole outlet 112 is prevented from being interfered. The limiting piece 2 of this embodiment is a ring arranged around the circumference of the guide plate body, the diameter of the guide plate body 1 of this embodiment is 20mm, and the outer diameter of the limiting piece 2 is 25mm.

As a preferable scheme of the embodiment, a guide head 12 is arranged at one end of the guide plate body 1 opposite to the needle inlet 111, and the guide head 12 is hemispherical, so that the guide plate body 1 can be conveniently inserted.

As a preferable scheme of the embodiment, a horn-shaped circular ring 3 is arranged at the inlet 111 end of the pin inlet of the guide plate body 1, so as to prevent the guide plate body 1 from sinking into the whole and simultaneously facilitate grabbing the guide plate body 1. The outer diameter of the small opening end of the trumpet-shaped ring is equal to the diameter of the guide plate body, the inner diameter of the small opening end is 16mm, the thickness of the trumpet-shaped ring is 2mm, the small opening end is abutted to the end part of the guide plate body, and the outer diameter of the large opening end is 40mm. The sign 4 is arranged on the inner side surface of the horn-shaped ring 3.

The entire guide plate device in the above embodiment is molded by 3D printing.

The use of the utility model is described below in connection with the above examples:

(1) CT scanning the patient part to obtain CT data;

(2) Reconstructing a cancerous region model from the CT data;

(3) A needle inlet hole 11 is designed according to the cancerous part;

(4) Forming a guide plate device by adopting a 3D printing method;

(5) When the guide plate device is used, the guide plate body 1 is penetrated from the anus of a patient, and the radioactive particles are conveyed to a designated cancerous place through the needle inlet hole 11 for precise sterilization.

Claims

1. The guide plate device for outputting cervical cancer radioactive particles is characterized by comprising a guide plate body (1), wherein the guide plate body (1) is of a cylindrical structure, and a needle inlet hole (11) for conveying the radioactive particles is formed in the guide plate body (1);

the needle inlet hole (11) penetrates through the side part of the guide plate body (1) from one end part of the guide plate body (1) along the inside of the guide plate body, and the position of the needle inlet hole (11) at the side part of the guide plate body (1) corresponds to the cancerous position in the cervical;

a sign (4) for marking the relative position of the inlet and outlet of the pin hole is arranged on the guide plate body (1);

the whole guide plate device is made of soft materials.

2. The guide plate device for outputting cervical cancer emitting particles according to claim 1, wherein a stopper (2) for limiting the insertion depth of the guide plate body (1) is provided on the guide plate body (1), and the stopper (2) is provided on the guide plate body (1) near the inlet end (111) of the needle inlet hole.

3. A guide plate device for outputting cervical cancer emitting particles as claimed in claim 2, wherein the limiting member (2) is a ring disposed around the circumference of the guide plate body.

4. The guide plate device for outputting cervical cancer emitting particles according to claim 1, wherein the guide plate body (1) is provided with a guide head (12) at an end opposite to the inlet needle hole (111).

5. The guide plate device for outputting cervical cancer radiation particles according to claim 1, wherein a horn-shaped circular ring (3) is arranged at the inlet end (111) of the needle inlet hole of the guide plate body (1); the mark (4) is arranged on the inner side surface of the horn-shaped ring (3).

6. The guide plate device for outputting cervical cancer emitting particles according to claim 1, wherein the number of the needle inlet holes (11) is set according to the number of cervical cancers.

7. The guide plate device for outputting cervical cancer emitting particles as claimed in claim 1, wherein the guide plate device is integrally formed by 3D printing.