CN215195092U

CN215195092U - Basic head ring for head radiotherapy

Info

Publication number: CN215195092U
Application number: CN202120328408.7U
Authority: CN
Inventors: 张文山; 罗月华
Original assignee: Shanghai Gamastar Technology Development Co ltd
Current assignee: Shanghai Gamastar Technology Development Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-12-17
Anticipated expiration: 2031-02-04

Abstract

The utility model belongs to the technical field of medical instrument, concretely relates to basic head ring is used in head radiotherapy, it includes an arc, a horizontal frame, two side frames and four installation pieces, horizontal frame both ends through wherein two installation pieces respectively with two side frame one end fixed connection, two side frame other ends through two other installation pieces can dismantle with the arc both ends respectively and be connected, two side frame outer walls all are equipped with the forked tail slide rail of taking the size scale mark, the dovetail groove has all been seted up on four installation piece inner walls, is equipped with the first screw hole that runs through the inside and outside wall in the dovetail groove. The utility model relates to a rationally, simple structure can supply the head puncture to use after addding forked tail slide rail and size scale mark, combines the multiunit screw hole, can fix a position and fix patient's head in a plurality of links of head radiotherapy process.

Description

Basic head ring for head radiotherapy

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to basic head ring is used in head radiotherapy.

Background

The head puncture is also called head biopsy and is applied to sampling or directionally implanting medicine at a target lesion point of the head of a patient.

Clinically, in many links of the head radiotherapy process of a patient, a head positioning device is needed to fix the head and position the focus. For example, when performing head puncture sampling on a head tumor of a patient, the head of the patient needs to be fixed and positioned by adopting a head nail assembly positioning device or a head mask positioning device, and the head biopsy device is used for adjusting a puncture angle according to the condition of the patient to perform biopsy sampling; for another example, when performing stereotactic radiotherapy on a head tumor of a patient, the head of the patient needs to be fixed and positioned by a head positioning device, then an N-shaped wire frame is installed, then CT or nuclear magnetic scanning is performed, an image file is output by an image device, and a doctor sets an irradiation field range according to CT and MRI pictures, so that the intracranial tumor is accurately positioned, and then radiotherapy irradiation is performed on the patient by a head radiotherapy device. Furthermore, considering the radiation dose, it is generally necessary to perform multiple radiotherapy treatments on the same focal point of a patient, and several days are required between each radiotherapy treatment, so that during the second and later radiotherapy treatment, the head of the patient needs to be fixed for multiple times, and the position of the patient lying for the first time is restored.

In the prior art, in the head radiotherapy process of a patient, head positioning devices adopted in multiple links such as biopsy sampling, tumor positioning or radiotherapy irradiation are not identical in structure, and have the defects of single application method, narrow application range and the like, so that the accuracy of restoring the position of the patient lying at the first time in the subsequent radiotherapy process is not improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a basic head ring for head radiotherapy, which has reasonable design and simple structure and can fix the head of a patient in a plurality of links in the head radiotherapy process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

basic head ring is used in head radiotherapy, it includes an arc, a horizontal frame, two side frames and four installation pieces, horizontal frame both ends through wherein two installation pieces respectively with two side frame one end fixed connection, two side frame other ends through two other installation pieces can dismantle with the arc both ends respectively and be connected, two side frame outer walls all are equipped with the forked tail slide rail of taking the size scale mark, the dovetail groove has all been seted up on four installation piece inner walls, and the dovetail groove is equipped with the first screw hole that runs through inside and outside wall.

Preferably, the side walls of at least three mounting blocks are provided with second screw holes penetrating through the two side walls.

Preferably, the side walls of three of the four mounting blocks are provided with a second screw hole, and the side wall of the rest mounting block is provided with a positioning pin. This design enables the foundation headring to be connected with the L-shaped adapter of an existing radiation treatment couch using three second screw holes.

Preferably, the side walls of the four mounting blocks are provided with second screw holes penetrating through the two side walls. The design enables the basic head ring to be connected with a positioning component or a detection component of the existing head biopsy device by four second screw holes, and the basic head ring is combined into a puncture locator or a head puncture tester for detecting whether the head biopsy device is deviated in position or not, or is connected with an L-shaped adapter of the existing radiotherapy bed by three second screw holes.

Furthermore, all be equipped with detachable couple on two side frame outer walls. The design enables the basic head ring to select whether to install the hook according to different applications; for example, when the basic head ring needs to be strengthened and is connected with an N-shaped wire frame of the existing head radiotherapy device, the hook is selected to be installed, and when the dovetail slide rail of the basic head ring is used for being slidably connected with a slide block of the existing radiotherapy equipment, the hook is selected not to be installed.

Preferably, the hook is detachably mounted on the outer wall of the side frame through a pin shaft and a nut.

Preferably, the four mounting blocks are integrally formed with the lateral frame and the two side frames.

Preferably, the two ends of the arc-shaped plate are detachably connected with the other two mounting blocks through fastening screws.

Preferably, the arc-shaped plate is a titanium alloy plate, a POM plate or a splicing plate, and the splicing plate is formed by splicing the titanium alloy plate and the POM plate.

The utility model adopts the technical proposal, the arc plate is designed, the shape of the arc plate can form a space for abdication at the nose position, and the anesthesia intubation can be conveniently performed or the requirement of the operation through the nasal cavity can be met; the design of the dovetail slide rail with the size scale lines enables the basic head ring to be connected with the slide block of the radiotherapy equipment in a sliding mode through the dovetail slide rail to form a positioning frame applied to the radiotherapy equipment in the radiotherapy process in a combined mode, and the size scale lines can provide spatial position information in one direction for head puncture; the design of dovetail groove and first screw hole not only can make basic cephalic ring utilize two dovetail grooves and current head radiotherapy device's head fixed support plate screw connection, the combination becomes the head positioner who is applied to CT or nuclear magnetic scanning process, can make basic cephalic ring utilize four dovetail grooves to be connected with the head nail subassembly moreover, the head nail has the invasive positioner to fix a position and fix patient's head when the combination becomes the head positioner who is applied to the radiotherapy process or head biopsy. The utility model relates to a rationally, simple structure can supply the head puncture to use after addding forked tail slide rail and size scale mark, combines the multiunit screw hole, and application method is various, and the range of application is wide, can fix a position and fix patient's head in a plurality of links of head radiotherapy process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of the basic head ring for head radiotherapy of the present invention;

FIG. 2 is a front view of the basic head ring for head radiotherapy of the present invention;

fig. 3 is a schematic structural diagram of a third application of the present invention;

fig. 4 is a schematic structural diagram of a fourth application of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

As shown in one of fig. 1-4, the utility model discloses basic head ring 100 is used in head radiotherapy, it includes an arc 101, a horizontal frame 102, two side frames 103 and four installation pieces 104, horizontal frame 102 both ends through wherein two installation pieces 104 respectively with two side frames 103 one end fixed connection, two side frames 103 other ends through two other installation pieces 104 respectively with arc 101 both ends can dismantle the connection, two side frames 103 outer walls all are equipped with the forked tail slide rail 105 of taking the size scale mark, trapezoidal groove 106 has all been seted up on four installation piece 104 inner walls, is equipped with the first screw hole 107 that runs through the interior outer wall in the trapezoidal groove 106.

Preferably, the side walls of at least three mounting blocks 104 are provided with second screw holes 108 penetrating through the side walls.

Preferably, the side walls of three mounting blocks 104 in the four mounting blocks 104 are all provided with second screw holes 108, and the side wall of the remaining one mounting block 104 is provided with a positioning pin 109. As an application, the base headring 100 can be connected to an L-shaped adapter of an existing radiation treatment couch using three second screw holes 108.

Preferably, the side walls of the four mounting blocks 104 are provided with second screw holes 108 penetrating through the side walls. As another application, the basic headring 100 can be connected with a positioning component or a detecting component of an existing head biopsy device by using four second screw holes 108, and combined to form a puncture locator or a head puncture tester for detecting whether the head biopsy device is positioned or not; or with three second screw holes 108 to connect with the L-shaped adapter of the existing radiation treatment couch.

Further, the outer walls of the two side frames 103 are provided with detachable hooks 110. This design enables the base headring 100 to select whether to install the hook 110 depending on the application; for example, when the reinforcing base head ring 100 is connected to the N-shaped wire frame of the conventional head radiotherapy apparatus, the hook 110 is selected to be installed, and when the dovetail slide rail 105 of the base head ring 100 is slidably connected to the slider of the conventional radiotherapy apparatus, the hook 110 is not selected to be installed.

Preferably, the hook 110 is detachably mounted on the outer wall of the side frame 103 through a pin 111 and a nut 112.

Preferably, the four mounting blocks 104 are integrally formed with the lateral frame 102 and the two side frames 103.

Preferably, two ends of the arc-shaped plate 101 are detachably connected with the other two mounting blocks 104 through fastening screws 113.

Preferably, the arc-shaped plate 101 is a titanium alloy plate, a POM plate or a splice plate, and the splice plate is formed by splicing the titanium alloy plate and the POM plate.

The utility model adopts the technical proposal that the arc-shaped plate 101 is designed to form a space for abdication at the nose position, thereby being convenient for anesthesia intubation or meeting the requirement of nasal cavity operation; as a third application, the dovetail slide rail 105 with the size scale lines enables the basic head ring 100 to be slidably connected with the slide block 201 of the radiotherapy apparatus 200 by using the dovetail slide rail 105 (as shown in fig. 3), so as to be combined into a positioning frame applied to the radiotherapy apparatus 200 in the radiotherapy process, and the size scale lines can provide spatial position information in one direction for head puncture; the trapezoidal grooves 106 and the first screw holes 107 are designed to enable the basic head ring 100 to be connected with the head fixing supporting plate of the existing head radiotherapy device through the two trapezoidal grooves 106 to form a head positioning device applied to the CT or nuclear magnetic scanning process in a combined mode, and as a fourth application, the basic head ring 100 can be connected with the head nail assembly 300 (shown in figure 4) through the four trapezoidal grooves 106 to form a head positioning device applied to the radiotherapy process in a combined mode or a head nail invasive positioning device applied to head biopsy to position and fix the head of a patient. The utility model discloses basis headring 100 is installed head nail subassembly 300 when radiotherapy and is made up into head nail subassembly positioner or head facial mask positioning system and can fix a position and fix patient's head and be used for the treatment, and the initial point of last size scale mark of forked tail slide rail 105 is decided by the TPS software of radiotherapy. The utility model relates to a rationally, simple structure can supply the head puncture to use after addding forked tail slide rail and size scale mark, combines the multiunit screw hole, makes it can adopt same basic head ring to fix a position and fix patient's head in a plurality of links of head radiotherapy process, and the range of application is wide, and the rate of repetitive use is high, is favorable to the first position of lying of follow-up radiotherapy process reduction, and reduction convenient and fast precision is high.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. Basic head-ring is used in head radiotherapy which characterized in that: it includes an arc, a horizontal frame, two side frames and four installation pieces, horizontal frame both ends through wherein two installation pieces respectively with two side frame one end fixed connection, two side frame other ends can dismantle with the arc both ends respectively through two other installation pieces and be connected, two side frame outer walls all are equipped with the forked tail slide rail of taking the size scale mark, trapezoidal groove has all been seted up on four installation piece inner walls, and the trapezoidal inslot is equipped with the first screw hole that runs through the inside and outside wall.

2. The basic head ring for head radiotherapy according to claim 1, wherein: and the side walls of the at least three mounting blocks are provided with second screw holes penetrating through the two side walls.

3. The basic head ring for head radiotherapy according to claim 2, wherein: and the side walls of three of the four mounting blocks are provided with second screw holes, and the side wall of the remaining mounting block is provided with a positioning pin.

4. The basic head ring for head radiotherapy according to claim 2, wherein: and the side walls of the four mounting blocks are provided with second screw holes penetrating through the two side walls.

5. The basic head ring for head radiotherapy according to one of claims 1 to 4, wherein: and detachable hooks are arranged on the outer walls of the two side frames.

6. The basic head ring for head radiotherapy according to claim 5, wherein: the hook is detachably arranged on the outer wall of the side frame through a pin shaft and a nut.

7. The basic head ring for head radiotherapy according to claim 1, wherein: the four mounting blocks, the transverse frame and the two side frames are integrally formed.

8. The basic head ring for head radiotherapy according to claim 1, wherein: the two ends of the arc-shaped plate are detachably connected with the other two mounting blocks through fastening screws.

9. The basic head ring for head radiotherapy according to claim 1, wherein: the arc-shaped plate is a titanium alloy plate, a POM plate or a splice plate, and the splice plate is formed by splicing the titanium alloy plate and the POM plate.