CN115154939A

CN115154939A - Radiotherapy is with quick location and locking structure of location bed

Info

Publication number: CN115154939A
Application number: CN202211075472.4A
Authority: CN
Inventors: 张千护; 阙余伟
Original assignee: Hanstai Medical Technology Suzhou Co ltd
Current assignee: Hanstai Medical Technology Suzhou Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-10-11
Anticipated expiration: 2042-09-05
Also published as: CN115154939B

Abstract

The invention relates to the technical field of radiotherapy instruments, and discloses a quick positioning and locking structure of a positioning bed for radiotherapy, which comprises: the upper surface of the supporting plate is provided with rails which extend along the length direction of the supporting plate and are arranged in parallel at intervals; the positioning bed is suitable for moving on the track and is provided with a fixing through hole; the positioning bed is suitable for limiting the position of the positioning bed on the supporting plate through simultaneous clamping of a plurality of clamping mechanisms by moving, and the relative position of the positioning bed and the supporting plate is locked through the fixing through hole by a quick fixing device. The invention can quickly and accurately position and lock the position of the positioning bed, greatly shorten the positioning time of the positioning bed, improve the positioning precision and speed of the positioning bed, and can quickly unlock when the radiotherapeutic equipment is abnormal, so that the positioning bed can be quickly moved out of the radiotherapeutic equipment, thereby effectively avoiding the occurrence of accidents and improving the safety of the radiotherapeutic treatment.

Description

Radiotherapy is with quick location and locking structure of location bed

Technical Field

The invention relates to the technical field of radiotherapy instruments, in particular to a quick positioning and locking structure of a positioning bed for radiotherapy.

Background

The radiotherapy is a local treatment method for treating tumor by utilizing radioactive rays, wherein the radioactive rays comprise alpha, beta and gamma rays generated by radioactive isotopes and x rays, electron beams, proton beams and other particle beams generated by various x-ray treatment machines or accelerators.

Disclosure of Invention

The invention aims to provide a quick positioning and locking structure of a positioning bed for radiotherapy, which solves the problems in the background art. In order to achieve the purpose, the invention provides the following technical scheme: a quick positioning and locking structure of a positioning bed, comprising:

the upper surface of the supporting plate is provided with rails which extend along the length direction of the supporting plate and are arranged in parallel at intervals;

the positioning bed is suitable for moving on the track and is provided with a fixing through hole;

the positioning bed is suitable for limiting the position of the positioning bed on the supporting plate through simultaneous clamping of a plurality of clamping mechanisms by moving, and the relative position of the positioning bed and the supporting plate is locked through the fixing through hole by a quick fixing device.

Preferably, the clamping mechanisms comprise a first fixing button arranged at the end part of the supporting plate, a second fixing button arranged at the middle part of the supporting plate, a first clamping piece arranged at the end part of the positioning bed and a second clamping piece arranged at the middle part of the positioning bed, the first clamping piece is suitable for being clamped with the first fixing button, and the second clamping piece is suitable for being clamped with the second fixing button.

Preferably, the first fixing buttons are arranged along the width direction of the supporting plate at intervals, the first clamping pieces are arranged along the width direction of the positioning bed at intervals, and each first fixing button corresponds to each first clamping piece and is clamped with the first clamping piece.

Preferably, the first fixing button and the second fixing button are arranged on the upper surface of the end part of the supporting plate, the first clamping piece is arranged in the positioning bed, and the second clamping piece is connected with the lower surface of the positioning bed.

Preferably, first fixed button includes the first fixed button body of columniform, first fixed button body lower extreme with the backup pad is connected, first fixed button body upper end is equipped with first fixed button tip, first fixed button tip is greater than first fixed button body.

Preferably, the first clamping piece is a C-shaped buckle, the first clamping piece is clamped with the first fixing button body, and the first clamping piece is clamped between the end part of the first fixing button and the support plate.

Preferably, the second fixing button comprises a second fixing button body, the lower end of the second fixing button body is connected with the supporting plate, the second fixing button body is provided with a second fixing button end, and the second fixing button end is larger than the second fixing button body.

Preferably, the end part of the second clamping piece is provided with a U-shaped clamping groove, the U-shaped clamping groove is clamped with the second fixing button body, and the U-shaped clamping groove is formed between the end part of the second fixing button and the support plate.

Preferably, quick fixing device includes first mounting and locates second mounting in the backup pad, first mounting is including the cylinder that has the spout, the spout includes straight flute and helicla flute, the straight flute is seted up on the cylinder surface along being on a parallel with cylinder axial direction, the helicla flute is seted up along the circumferential surface of cylinder, just the straight flute with the one end intercommunication that the helicla flute contacted, the second mounting includes that the inner wall is equipped with the body of outstanding slider, the cylinder is suitable for to pass fixing hole with the body passes through the slider with the cooperation interconnect of spout.

Preferably, the first fixing part further comprises a rotating handle connected with the column, and the positioning bed is clamped between the supporting plate and the rotating handle.

The invention has the technical effects and advantages that: according to the positioning bed for radiotherapy, the plurality of clamping mechanisms are simultaneously clamped and limited on the supporting plate through movement, the relative position of the positioning bed and the supporting plate is locked through the fixing through holes arranged on the positioning bed by the rapid fixing device, so that the positioning bed can be rapidly and accurately positioned, the positioning time of the positioning bed is greatly shortened, the positioning precision and the positioning speed of the positioning bed are improved, when radiotherapy equipment is abnormal, the rapid fixing device can be rapidly unlocked, the positioning bed can be rapidly moved out of the radiotherapy equipment, accidents can be effectively avoided, and the safety of radiotherapy is improved.

Drawings

FIG. 1 is an exploded view of a quick positioning and locking mechanism of a positioning bed according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 showing two first fixing buttons mounted on a support plate in accordance with the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic structural view of a first fastener of the present invention;

FIG. 5 is a schematic view of the first fixing button and the first clamping member of the present invention;

fig. 6 is a schematic structural view of the quick fixing device of the present invention.

Detailed Description

In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

As shown in fig. 1 to 6, a fast positioning and locking structure of a positioning bed for radiotherapy includes a support plate 1, a rail 11 extending in a length direction of the support plate 1 and arranged in parallel at intervals is provided on an upper surface of the support plate 1, the positioning bed 2 is adapted to move on the rail 11, the positioning bed 2 is provided with a fixing through hole 21, wherein the positioning bed 2 is adapted to simultaneously engage and limit a position of the positioning bed 2 on the support plate 1 by moving a plurality of positioning mechanisms, which simultaneously limit a movement of the positioning bed 2, and lock a relative position of the positioning bed 2 and the support plate 1 via the fixing through hole 21 by a fast fixing device 3, in other words, the positioning bed 2 slides to a predetermined position on the rail 11, the positioning bed 2 is fixed by the plurality of positioning mechanisms, the fast fixing device 3 fixes the positioning bed 2 and the support plate 1, in order to make a sliding movement of the positioning bed 2 on the support plate 1, the two rails 11 are preferably made of teflon, but not limited to two rails 11, and may be more than two rails arranged in parallel.

More specifically, in this embodiment, the plurality of clamping mechanisms include two first fixing buttons 12 arranged at the end of the supporting plate 1, a second fixing button 13 arranged at the middle of the supporting plate 1, two first clamping pieces 22 arranged at the end of the positioning bed 2, and a second clamping piece 23 arranged at the middle of the positioning bed 2, wherein the two first clamping pieces 22 are arranged at corresponding positions (not shown in fig. 1) on the positioning bed 2 at the same side as the two first fixing buttons 12, the two first clamping pieces 22 are suitable for being clamped with the two first fixing buttons 12, and the second clamping piece 23 is suitable for being clamped with the second fixing button 13. The two first fixing buttons 12 are arranged at intervals along the width direction of the supporting plate 1, the two first clamping pieces 22 are arranged at intervals along the width direction of the positioning bed 2, the two first fixing buttons 12 and the two second fixing buttons 13 are arranged in an isosceles triangle shape in the embodiment, and when the positioning bed 2 moves to a preset position, the two first fixing buttons 12 and the two second fixing buttons 13 are simultaneously contacted with the two first clamping pieces 22 and the two second clamping pieces 23 respectively, so that the inertia impulsive force of the positioning bed 2 can be evenly distributed, and the clamping mechanism can be prevented from being damaged. In a specific implementation process, two or more than two first fixing buttons 12 and first clamping pieces 22 can be provided, and one or more than two second fixing buttons 13 and second clamping pieces 23 can be provided.

In this embodiment, the two first fixing buttons 12 and the second fixing button 13 are disposed on the end of the supporting board 1 and protrude from the supporting board 1, the two first clamping pieces 22 are embedded in the positioning bed 2, and the second clamping piece 23 is connected to the lower surface of the positioning bed 2. The first fixing button 12 includes a first cylindrical fixing button body 121, the lower end of the first fixing button body 121 is connected to the support plate 1, a first fixing button end portion 122 is arranged at the upper end of the first fixing button body 121, and the first fixing button end portion 122 is larger than the first fixing button body 121. The two first clamping pieces 22 are C-shaped buckles, when the positioning bed 2 moves to a preset position, the first clamping pieces 22 encircle the first fixing button body 121 to realize clamping with the first fixing button body 121 and enable the positioning bed 2 to be accurately positioned, and the first clamping pieces 22 are clamped between the two first fixing button end portions 122 and the supporting plate 1, so that the up-and-down movement positions of the end portions of the positioning bed 2 can be limited. The second fixing button 13 includes a second fixing button body 131, the lower end of the second fixing button body 131 is connected to the support plate 1, the second fixing button body 131 is provided with a second fixing button end portion 132, and the second fixing button end portion 132 is larger than the second fixing button body 131. The end of the second clamping piece 23 is provided with a U-shaped clamping groove 231, when the positioning bed 2 moves to a preset position, the U-shaped clamping groove 231 encircles the second fixing button body 131 to realize clamping with the second fixing button body 131 and enable the positioning bed 2 to be positioned, the U-shaped clamping groove 231 is arranged at the second fixing button end 132 and between the supporting plates 1, and therefore the position of the middle part of the positioning bed 2 in an up-and-down movement mode can be limited.

When the positioning bed 2 moves to a predetermined position and is positioned, the position of the positioning bed 2 is fixed by the quick fixing device 3, the quick fixing device 3 includes a first fixing member 31 and a second fixing member 32 embedded in the support plate 1, the first fixing member 31 includes a cylinder 311 having a sliding groove 312 on a surface thereof, the sliding groove 312 is a sliding groove having an entrance, the sliding groove 312 includes a straight groove 312a and a spiral groove 312b, wherein the straight groove 312a is formed on the surface of the cylinder 311 in a direction parallel to an axial direction of the cylinder 311, the spiral groove 312b is formed on the circumferential surface of the cylinder 311, and an end of the straight groove 312a contacting the spiral groove 312b is communicated with an end of the spiral groove 312b, the second fixing member 32 includes a tubular body 321 having a protruding slider (not shown) on an inner wall thereof, when the positioning bed 2 is fixed, the cylinder 311 passes through the fixing through hole 21 to align the entrance of the sliding groove 312 with the slider, the cylinder 311 is inserted into the tubular body 321 downward, the slider passes through the straight groove 312a, the first fixing member 31 is rotated, and the slider enters the spiral groove 312b to complete the mutual connection between the first fixing member 31 and the second fixing member 32. In this embodiment, two straight grooves 312a are symmetrically disposed on the cylinder 311, and two symmetrical spiral grooves 312b are also provided, which are respectively communicated with one of the straight grooves 312a to form a through groove; in addition, the first fixing unit 31 further includes a rotating handle 313 connected to the column 311, the positioning bed 2 is sandwiched between the support plate 1 and the rotating handle 313, and the rotating handle 313 may facilitate rotating the first fixing unit 31 to quickly fix the positioning bed 2 and the support plate 1 in position, or may quickly remove the first fixing unit 31 from the second fixing unit 32 to release the position lock between the positioning bed 2 and the support plate 1, so as to restore the positioning bed 2 to a movable state.

In the present application, the plurality of clamping mechanisms include a first fixing button 12 disposed at an end of the supporting plate 1, a second fixing button 13 disposed at a middle of the supporting plate 1, a first clamping piece 22 disposed at an end of the positioning bed 2, and a second clamping piece 23 disposed at a middle of the positioning bed, the first clamping piece 22 is adapted to be clamped with the first fixing button 12, and the second clamping piece 23 is adapted to be clamped with the second fixing button 13, wherein the number of the first fixing button 12 and the first clamping piece 22 is not limited to two respectively in the above embodiments, and certainly, preferably, two clamping pieces are respectively disposed, and are respectively disposed at two sides of each end of the supporting plate 1 and the positioning bed 2, and are arranged in an isosceles triangle with the position of the second fixing button 13; however, in other embodiments, more than two first fixing buttons 12 may be provided and respectively arranged at intervals along the width direction of the supporting plate 1, more than two first clamping pieces 22 are correspondingly provided and respectively arranged at intervals along the width direction of the positioning bed 2, and each first fixing button 12 corresponds to and is clamped with each first clamping piece 22.

Through above-mentioned quick location and locking structure, the radiotherapy is injectd with location bed through removing to make a plurality of screens mechanism block simultaneously location bed is in position in the backup pad to through quick fixing device via the fixing hole locking location bed with the relative position of backup pad can make the quick accurate location of location bed, has shortened the positioning time of location bed greatly, has improved the precision and the speed of location bed location, and when radiotherapy equipment appears unusually, quick fixing device can unblock fast, makes the location bed can shift out radiotherapy equipment fast, can effectively avoid accident's emergence, has improved radiotherapy's security.

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 one skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a radiotherapy is with quick location and locking structure of location bed which characterized in that includes:

the upper surface of the supporting plate is provided with rails which extend along the length direction of the supporting plate and are arranged in parallel at intervals; the positioning bed is suitable for moving on the track and is provided with a fixing through hole;

2. The rapid positioning and locking structure of a positioning bed for radiotherapy according to claim 1, wherein the plurality of clamping mechanisms comprise a first fixing button disposed at an end of the supporting plate, a second fixing button disposed at a middle of the supporting plate, a first clamping piece disposed at an end of the positioning bed, and a second clamping piece disposed at a middle of the positioning bed, the first clamping piece is adapted to be clamped with the first fixing button, and the second clamping piece is adapted to be clamped with the second fixing button.

3. The quick positioning and locking structure of a positioning bed for radiotherapy according to claim 2, wherein the first fixing buttons are plural and are respectively disposed at intervals along the width direction of the supporting plate, the first locking pieces are plural and are respectively disposed at intervals along the width direction of the positioning bed, and each of the first fixing buttons corresponds to and is engaged with each of the first locking pieces.

4. The rapid positioning and locking structure of a positioning bed for radiotherapy according to claim 3, wherein the first fixing button and the second fixing button are both disposed on the upper surface of the end of the supporting plate, the first clip is disposed in the positioning bed, and the second clip is connected to the lower surface of the positioning bed.

5. The fast positioning and locking structure of a positioning bed for radiotherapy as claimed in claim 4, wherein the first fixing button comprises a cylindrical first fixing button body, the lower end of the first fixing button body is connected to the supporting plate, the upper end of the first fixing button body is provided with a first fixing button end portion, and the first fixing button end portion is larger than the first fixing button body.

6. The rapid positioning and locking structure of a positioning bed for radiotherapy as claimed in claim 5, wherein the first clip is a C-shaped clip, the first clip is engaged with the first fixing button body, and the first clip is clamped between the end of the first fixing button and the supporting plate.

7. The fast positioning and locking structure of a positioning bed for radiotherapy as claimed in claim 2, wherein the second fixing button comprises a second fixing button body, the lower end of the second fixing button body is connected to the supporting plate, the second fixing button body is provided with a second fixing button end portion, and the second fixing button end portion is larger than the second fixing button body.

8. The quick positioning and locking structure of a positioning bed for radiotherapy as claimed in claim 7, wherein the end of the second clip has a U-shaped slot, the U-shaped slot is engaged with the second fixing button body, and the U-shaped slot is disposed between the end of the second fixing button and the supporting plate.

9. The rapid positioning and locking structure of a positioning bed for radiotherapy according to claim 1, wherein the rapid fixing device comprises a first fixing member and a second fixing member disposed in the supporting plate, the first fixing member comprises a cylinder having a sliding groove, the sliding groove comprises a straight groove and a spiral groove, the straight groove is disposed on the surface of the cylinder in a direction parallel to the axial direction of the cylinder, the spiral groove is disposed on the circumferential surface of the cylinder, the straight groove is communicated with one end of the cylinder contacting with the spiral groove, the second fixing member comprises a tube body having a protruding slider on the inner wall, and the cylinder is adapted to pass through the fixing through hole and is connected with the tube body through the matching of the slider and the sliding groove.

10. The quick positioning and locking structure of a positioning bed for radiotherapy as claimed in claim 9, wherein said first fixing member further comprises a rotating handle connected to said column, and said positioning bed is sandwiched between said supporting plate and said rotating handle.