CN109731239B - Chest radiotherapy positioner - Google Patents
Chest radiotherapy positioner Download PDFInfo
- Publication number
- CN109731239B CN109731239B CN201811487069.6A CN201811487069A CN109731239B CN 109731239 B CN109731239 B CN 109731239B CN 201811487069 A CN201811487069 A CN 201811487069A CN 109731239 B CN109731239 B CN 109731239B
- Authority
- CN
- China
- Prior art keywords
- positioning
- film
- fixing frame
- chest
- positioning film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Radiation-Therapy Devices (AREA)
Abstract
The invention provides a positioning device for chest radiotherapy, which comprises a fixing frame and a positioning mechanism, wherein the fixing frame is provided with a chest and abdomen positioning groove, and a plurality of pressing mechanisms for pressing the positioning mechanism are respectively arranged on the fixing frame at two sides of the chest and abdomen positioning groove; the positioning mechanism comprises a lower positioning film, an upper positioning film and a vacuum pad, wherein the lower positioning film is arranged in the chest and abdomen positioning groove and connected with the fixing frame, the upper positioning film is positioned above the lower positioning film and connected with the fixing frame, and the vacuum pad is arranged between the upper positioning film and the lower positioning film. According to the breast radiotherapy positioning device provided by the invention, the lower positioning film is used for positioning the back of the patient after lying on the back, and the lower positioning film can be firmly attached to the back of the patient, so that the problem that the treatment effect is influenced by the micro motion of the patient due to the gap between the back of the patient and the fixing frame is avoided; the positioning surface of the upper positioning film or the lower positioning film can be bonded with a vacuum pad, the vacuum pad is formed according to the supine posture of the patient after being exhausted, the gap between the upper positioning film or the lower positioning film and the patient can be filled, and the positioning precision is further improved.
Description
Technical Field
The invention belongs to the technical field of radiotherapy equipment, and particularly relates to a positioning device for chest radiotherapy.
Background
At present, in tumor radiotherapy, a radiotherapy doctor needs to fix the body position of a patient so as to ensure the accuracy of treatment, and in chest radiotherapy of lung cancer, esophageal cancer, pleural cancer and the like, a chest radiotherapy positioning device needs to be used for fixing the chest of the patient.
The chest radiotherapy positioning device in the prior art comprises a fixing frame and a positioning film, wherein a patient lies on the back of the fixing frame during radiotherapy, and the positioning film is heated, deformed, elongated and covered on the chest and abdomen of the patient for positioning. The positioning requirement of radiotherapy is that the fixation is accurate in the three-dimensional directions of up-down, left-right and front-back, and the movement error is less than 6 mm. The fixing control error of the body parts such as the chest, the abdomen and the like is difficult, and the positioning effect is influenced by the heartbeat, the respiration, the intestinal peristalsis and the like of the patient. Although the fixing mode of locating film and mount is various, the patient lies on the mount, has the clearance between patient's back and the mount, also has the clearance between locating film and the patient, if the patient treatment in-process fine motion can influence treatment, can cause the injury to other parts of patient even.
Disclosure of Invention
The invention aims to provide a positioning device for thoracic radiotherapy, and aims to solve the technical problem that positioning accuracy of a positioning film and a fixing frame is poor in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the chest radiotherapy positioning device comprises a fixing frame and a positioning mechanism, wherein a chest and abdomen positioning groove is formed in the fixing frame, and a plurality of pressing mechanisms for pressing the positioning mechanism are respectively arranged on the fixing frame on two sides of the chest and abdomen positioning groove;
the positioning mechanism comprises a lower positioning film, an upper positioning film and a vacuum pad, wherein the lower positioning film is arranged in the chest and abdomen positioning groove and connected with the fixing frame, the upper positioning film is arranged above the lower positioning film and connected with the fixing frame, and the vacuum pad is arranged between the upper positioning film and the lower positioning film.
Furthermore, two vacuum pads are arranged, wherein one vacuum pad is adhered to the bottom surface of the upper positioning film, and the other vacuum pad is adhered to the top surface of the lower positioning film.
Furthermore, clamping and connecting plates used for being connected with the fixing frame are respectively arranged on two sides of the upper positioning film and two sides of the lower positioning film.
Furthermore, the clamping plate comprises a top plate, a bottom plate and a side plate for connecting the top plate and the bottom plate; the top plate and the bottom plate are respectively provided with a tightening screw, the nut end of the tightening screw is positioned in the top plate or the bottom plate, and the screw end of the tightening screw penetrates through the top plate or the bottom plate.
Furthermore, a plurality of positioning columns are respectively arranged on the fixing frame on two sides of the chest and abdomen positioning groove; and the clamping plate is provided with positioning holes which correspond to the positioning columns one to one.
Furthermore, the pressing mechanism comprises a fixed plate connected with the fixed frame, a fixed rod connected with the fixed plate, a sliding sleeve nested on the fixed rod and capable of sliding up and down along the fixed rod, and a pressing block rotatably connected with the sliding sleeve through an eccentric rotating shaft.
Furthermore, a plurality of annular grooves are arranged in the sliding sleeve at intervals along the sliding direction of the sliding sleeve; the top end of the fixed rod is provided with an annular convex block protruding outwards; the annular convex block is clamped with one of the annular grooves.
Furthermore, the fixing frame is provided with a head positioning groove and a leg positioning groove; and the fixing frame is provided with binding bands on two sides of the leg positioning groove.
Furthermore, two strip-shaped grooves are formed in the top surface of the fixing frame above the chest and abdomen positioning grooves; a conveying mechanism is arranged in each strip-shaped groove; the conveying mechanism comprises two transmission shafts arranged at intervals and a conveying belt sleeved on the two transmission shafts; the conveying belt is provided with a handheld holding rod; the transmission shaft is arranged in the strip-shaped groove through the fixing block.
Furthermore, the handheld holding rod comprises a fixing sleeve arranged on the conveyor belt, a pressure rod with the lower part embedded in the fixing sleeve, a spring with one end fixedly connected to the bottom surface of the pressure rod, and a pressing block connected with the other end of the spring.
The breast radiotherapy positioning device provided by the invention has the beneficial effects that: compared with the prior art, the chest radiotherapy positioning device is characterized in that the lower positioning film is arranged in the chest and abdomen positioning groove and used for positioning the back of a patient lying on the back, and the lower positioning film can be firmly attached to the back of the patient, so that the problem that the treatment effect is influenced by the micromotion of the patient due to the gap between the back of the patient and the fixing frame is solved; the positioning surface of the upper positioning film or the lower positioning film can be bonded with a vacuum pad, the vacuum pad is formed according to the supine posture of the patient after being exhausted, the gap between the upper positioning film or the lower positioning film and the patient can be filled, the positioning precision is further improved, the positioning of the vacuum pad is less influenced by the subjective factors of a radiotherapy doctor, and the movement of the field center is less.
Drawings
Fig. 1 is a schematic structural view of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a fixing frame of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a positioning mechanism of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an upper positioning film of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic structural diagram of a compressing mechanism of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of FIG. 6;
FIG. 8 is an enlarged view of a portion of FIG. 7;
fig. 9 is a schematic structural diagram of a delivery mechanism of a positioning device for thoracic radiotherapy according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a handheld grip of a positioning device for thoracic radiotherapy according to an embodiment of the present invention.
In the figure: 10. a fixed mount; 11. chest and abdomen positioning slots; 12. a positioning column; 13. a strip-shaped groove; 14. a head positioning groove; 15. a leg positioning groove; 16. binding bands; 20. a positioning mechanism; 21. a lower positioning film; 22. an upper positioning film; 23. a vacuum pad; 24. a clamping and connecting plate; 241. a top plate; 242. a base plate; 243. a side plate; 244. positioning holes; 25. tightening the screw; 26. a handle; 30. a hold-down mechanism; 31. a fixing plate; 32. fixing the rod; 321. an annular projection; 33. a sliding sleeve; 331. an annular groove; 34. a compression block; 35. an eccentric rotating shaft; 40. a transport mechanism; 41. a drive shaft; 42. a conveyor belt; 43. a fixed block; 50. a holding rod is held by hand; 51. fixing a sleeve; 52. a pressure lever; 53. a spring; 54. and (7) briquetting.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a positioning device for thoracic radiotherapy provided by the present invention will now be described. The chest radiotherapy positioning device comprises a fixing frame 10 and a positioning mechanism 20, wherein a chest and abdomen positioning groove 11 is formed in the fixing frame 10, and a plurality of pressing mechanisms 30 used for pressing the positioning mechanism 20 are respectively arranged on the fixing frame 10 and on two sides of the chest and abdomen positioning groove 11.
The positioning mechanism 20 includes a lower positioning film 21 disposed in the abdomen-chest positioning groove 11 and connected to the fixing frame 10, an upper positioning film 22 disposed above the lower positioning film 21 and connected to the fixing frame 10, and a vacuum pad 23 disposed between the upper positioning film 22 and the lower positioning film 21.
The lower positioning film 21 and the upper positioning film 22 are thermoplastic films commonly used in the prior art, can be deformed according to requirements after being heated and softened, and are hardened and molded after the temperature is reduced.
The vacuum pad 23 is composed of a vacuum valve and plastic particle balls packed in a plastic or rubber bag, and the vacuum pad 23 is evacuated to a certain degree of vacuum negative pressure by a vacuum pump, and the plastic particle balls are pressed against each other to be deformed.
The chest radiotherapy positioning device provided by the invention is used as follows:
the lower positioning film 21 and the upper positioning film 22 are immersed in a constant temperature water tank at 60-70 ℃, after being sufficiently softened, the lower positioning film 21 is placed in the chest and abdomen positioning groove 11 and is connected with the fixing frame 10, a vacuum pad 23 can be adhered to the upper surface of the lower positioning film 21, a patient lies on the fixing frame 10 when lying on his back, namely lies on the fixing frame 10, and the patient presses the lower positioning film 21, so that the lower positioning film 21 deforms to conform to the shape of the back of the patient (because the thickness of the vacuum pad 23 is smaller than that of the lower positioning film 21, and plastic particle balls are filled in the vacuum pad 23, the vacuum pad 23 also deforms when the patient presses down); a vacuum pad 23 can be adhered to the lower surface of the upper positioning film 22, the upper positioning film 22 is covered on the chest and abdomen of the patient and fixed on the fixing frame 10 by the radiotherapy personnel, the softened upper positioning film 22 is stretched to enable the upper positioning film 22 to deform to conform to the shape of the chest and abdomen of the patient, and the upper positioning film 22 and the lower positioning film 21 are hardened and formed (the upper positioning film 22 and the lower positioning film 21 in the figure 1 are in an undeformed state, namely in a state of not contacting with the patient, in practical application, the two positioning films are not in contact with other parts except the two side edge parts, and the patient is positioned between the two positioning films). When the positioning film (the positioning film is a general term for the upper positioning film 22 and the lower positioning film 21) is shaped, a patient may slightly move, so that the shaping of the positioning film has deviation, gaps may exist between the upper positioning film 22, the lower positioning film 21 and the patient, and a radiotherapy person uses a vacuum pump to pump vacuum negative pressure to a certain degree to the vacuum pad 23 by observing the gap between the upper positioning film 22 or the lower positioning film 21 and the patient, so that plastic particle balls of the vacuum pad 23 are squeezed with each other, the vacuum pad 23 deforms, and the gap between the patient and the positioning film is filled.
Compared with the prior art, the chest radiotherapy positioning device provided by the invention has the advantages that the lower positioning film 21 is arranged in the chest and abdomen positioning groove 11 and is used for positioning the back of a patient after lying on the back, and the lower positioning film 21 can be firmly attached to the back of the patient, so that the problem that the treatment effect is influenced by the micromotion of the patient due to the gap between the back of the patient and the fixing frame 10 is solved; the positioning surface of the upper positioning film 22 or the lower positioning film 21 can be adhered with a vacuum pad 23, the vacuum pad 23 is formed according to the supine posture of the patient after air exhaust, the gap between the upper positioning film 22 or the lower positioning film 21 and the patient can be filled, the positioning precision is further improved, the positioning of the vacuum pad 23 is less influenced by the subjective factors of the radiotherapy doctor, and the movement of the field center is less.
Specifically, two vacuum pads 23 are provided, see fig. 3, and are bonded to the bottom surface of the upper positioning film 22 and the top surface of the lower positioning film 21, respectively.
Since the two sides of the upper positioning film 22 and the lower positioning film 21 need to be connected and fixed with the fixing frame 10, in order to not affect the deformation and shaping effects of the upper positioning film 22 and the lower positioning film 21, as a specific embodiment of the positioning device for thoracic radiotherapy provided by the present invention, the two sides of the upper positioning film 22 and the two sides of the lower positioning film 21 are respectively provided with a clamping plate 24, and the clamping plates 24 are used for being connected with the fixing frame 10, see fig. 3 and 4.
Specifically, the clamping plate 24 includes a top plate 241, a bottom plate 242, and a side plate 243 for connecting the top plate 241 and the bottom plate 242, and the top plate 241, the side plate 243, and the bottom plate 242 are an integrally formed structure; the outer side of the side plate 243 is provided with a handle 26; the space between the top plate 241 and the bottom plate 242 is used for clamping the positioning film, see fig. 5. In order to make the positioning film clamped firmly, the top plate 241 and the bottom plate 242 are respectively provided with a tightening screw 25 penetrating through the top plate 241 and the bottom plate 242, and a nut end of the tightening screw 25 is located in the top plate 241 or the bottom plate 242, that is, the nut end of the tightening screw 25 does not protrude out of the top plate 241 or the bottom plate 242, so that the clamping plate 24 of the upper positioning film 22 is not influenced to contact with the clamping plate 24 of the lower positioning film 21, and a screw end of the tightening screw 25 penetrates through the top plate 241 or the bottom plate 242.
Tightening screw 25 is used for fastening the position membrane on the one hand, and it can make location membrane and joint board 24 fixed firm to screw up tightening screw 25, and tightening screw 25 on the other hand can make location membrane and joint board 24 separate, loosens tightening screw 25, and the location membrane does not receive roof 241, bottom plate 242 and tightening screw 25 to its pressure, and joint board 24 can separate with the location membrane. The positioning film and the clamping plate 24 are of a split structure, and after the positioning film is aged, the positioning film can be independently replaced without replacing the clamping plate 24, so that the positioning mechanism 20 has the characteristic of low replacement cost.
In order to accurately position the positioning film, that is, to precisely fix the clamping plate 24 on the fixing frame 10, as a specific embodiment of the positioning device for thoracic and abdominal radiotherapy provided by the present invention, a plurality of positioning posts 12 are respectively disposed on the fixing frame 10 at two sides of the positioning slot 11 of the thoracic and abdominal part, as shown in fig. 2, positioning holes 244 corresponding to the positioning posts 12 one by one are disposed on a side plate 243 of the clamping plate 24, as shown in fig. 4, when the clamping plate 24 is positioned with the fixing frame 10, the positioning posts 12 pass through the positioning holes 244, and since two rows of the positioning posts 12 are disposed and each row is disposed with a plurality of positioning posts, the clamping plate 24 can be precisely positioned on the fixing frame 10.
In order to achieve the purpose that the clamping plate 24 is required to be fixed firmly in addition to accurate positioning, as one embodiment of the positioning device for thoracic radiotherapy provided by the present invention, the pressing mechanism 30 includes a fixing plate 31 connected to the fixing frame 10, a fixing rod 32 connected to the fixing plate 31, a sliding sleeve 33 nested on the fixing rod 32 and capable of sliding up and down along the fixing rod 32, and a pressing block 34 rotatably connected to the sliding sleeve 33 through an eccentric rotating shaft 35. The cross-section of the hold-down block 34 is semi-circular as shown in fig. 6.
Compressing block 34 accessible eccentric pivot 35 rotates, and before joint board 24 is connected with mount 10, the radiotherapy doctor stirs compressing block 34 and makes it rotate to the outside, keeps away from chest belly constant head tank 11, can not form the fixed of butt joint board 24 and interfere. When the clamping plate 24 is placed on the fixing frame 10, and the positioning column 12 is embedded in the positioning hole 244, the radiotherapy doctor shifts the pressing block 34 again to move the clamping plate 24, and the bottom surface of the pressing block 34 presses the clamping plate 24, so that the clamping plate 24 is fixed and limited to move upwards. The pressing mechanism 30 in this embodiment has a simple structure, is easy to operate, and is firmly fixed to the engagement plate 24.
Different positioning films can be connected with the clamping plates 24 with different thicknesses, in order to enable the pressing mechanism 30 to adapt to the clamping plates 24 with different thicknesses, the pressing mechanism 30 is required to move up and down, and in order to achieve the purpose, on the basis of the above embodiment, a plurality of annular grooves 331 are arranged at intervals in the sliding sleeve 33 along the sliding direction, the top end of the fixing rod 32 is provided with an annular convex block 321 protruding outwards, and the annular convex block 321 is clamped with one of the annular grooves 331, as shown in fig. 7 and 8. The annular projection 321 can be made of an elastic material, the annular projection 321 is extruded and deformed when the sliding sleeve 33 moves, the movement of the sliding sleeve 33 is not affected, the annular projection 321 is clamped in the annular groove 331 when the sliding sleeve 33 does not move, and the annular projection 321 plays a limiting role.
When the patient is carrying out the radiation therapy of chest belly, the radiotherapy district will be kept away from to patient's arm, and under the general condition, patient's arm will lift up and place in the both sides of head to require the arm can not move during the treatment, in order to avoid the arm to move and get into the radiotherapy district and cause unnecessary injury, or the arm removes and drives the trunk and remove and influence the radiotherapy effect. In order to keep the arms in a lifted state for a long time, the comfort level is not good, and in order to keep the arms of the patient in a comfortable state, as a specific embodiment of the positioning device for thoracic radiotherapy provided by the present invention, two handheld holding rods 50 are arranged on the top surface of the fixing frame 10 above the positioning groove 11 of the chest and abdomen, and during treatment, the hand of the patient holds the handheld holding rods 50, that is, the handheld holding rods 50 can limit the position of the arms, so as to reduce the discomfort of lifting the arms for a long time.
Because the height and the arm length of each patient are different, in order to enable the arm and the hand holding rod 50 of the patient to be in the most comfortable lifting state, the hand holding rod 50 needs to be movable along the length direction of the fixing frame 10, and in order to achieve the purpose, two strip-shaped grooves 13 are arranged on the top surface of the fixing frame 10 above the chest and abdomen positioning grooves 11 on the basis of the embodiment; each elongated groove 13 is provided with a conveying mechanism 40, and the handheld holding rod 50 is arranged on the conveying mechanism 40 and driven by the conveying mechanism 40 to move. Specifically, the transmission mechanism 40 includes two transmission shafts 41 disposed at an interval, and a transmission belt 42 sleeved on the two transmission shafts 41, the transmission shafts 41 are disposed in the elongated grooves 13 through fixing blocks 43, and the handheld grip 50 is disposed on the movable transmission belt 42, as shown in fig. 9. The handheld holding rod 50 is held by the patient's hand, and through promoting or pulling back handheld holding rod 50, handheld holding rod 50 atress is portable, because handheld holding rod 50 sets up on conveyer belt 42, conveyer belt 42 cover is established in the pivot, can realize handheld holding rod 50 steady movement.
In order to avoid that the patient frequently pushes the handheld grip 50 to move during the radiotherapy, and the movement of the conveyor belt 42 is required to be limited, on the basis of the above embodiment, the handheld grip 50 comprises a fixed sleeve 51 with a bottom surface arranged on the conveyor belt 42, a pressure rod 52 with a lower part embedded in the fixed sleeve 51, a spring 53 with one end fixedly connected to the bottom surface of the pressure rod 52, and a pressing block 54 connected to the other end of the spring 53, as shown in fig. 10, the outer wall of the pressure rod 52 is in frictional contact with the inner wall of the fixed sleeve 51, and friction force exists between the two, the friction force can overcome the gravity of the pressure rod 52, the spring 53 and the pressing block 54, so that the pressure rod 52, the spring 53 and the pressing block 54 cannot move downwards by themselves, the spring 53 is a stiff spring, the pulling force of the spring 53 on the pressing block 54 is greater than the. The pressing rod 52 and the fixing sleeve 51 are light in weight, the fixing sleeve 51 is hollow, excessive pressure cannot be applied to the conveying belt 42, the pressing block 54 is in contact with the conveying belt 42, the contact area is large, the pressing block 54 applies downward pressure to the conveying belt 42, and the conveying belt 42 is deformed and cannot move.
The patient holds the handheld holding rod 50, the position of the handheld holding rod 50 can be automatically adjusted, after adjustment is completed, the pressing rod 52 can be pressed downwards by a radiotherapy doctor, the pressing rod 52 presses the spring 53 and the pressing block 54 to move downwards, after the pressing block 54 is contacted with the conveying belt 42, the pressing block 54 applies downward pressure to the conveying belt 42 to limit the conveying belt 42, the part, contacted with the pressing block 54, of the conveying belt 42 moves downwards, so that the conveying belt cannot move horizontally, and the handheld holding rod 50 cannot be driven to move. When the position of the handheld holding rod 50 needs to be readjusted, the radiotherapy doctor can press the pressing rod 52 again, the pressing rod 52 applies pressure to the spring 53, the spring 53 rebounds after being pressed, the rebounding force overcomes the friction force between the pressing rod 52 and the sleeve 51, the pressing block 54 and the pressing rod 52 move upwards, the pressing block 54 is far away from the conveying belt 42, and the limiting on the conveying belt 42 is released.
In order to prevent the legs of the patient from moving during the treatment, as an embodiment of the positioning device for the breast radiotherapy provided by the present invention, a head positioning groove 14 and a leg positioning groove 15 are provided on the fixing frame 10, and binding bands 16 are provided on the fixing frame 10 at both sides of the leg positioning groove 15, as shown in fig. 1 or 2, during the treatment, the head of the patient is located in the head positioning groove 14, the legs are located in the leg positioning groove 15, and the legs are bound with the binding bands 16 to limit the movement.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Chest radiotherapy positioner, including mount and positioning mechanism, its characterized in that: the fixing frame is provided with a chest and abdomen positioning groove, and a plurality of pressing mechanisms for pressing the positioning mechanisms are respectively arranged on the fixing frame on two sides of the chest and abdomen positioning groove;
the positioning mechanism comprises a lower positioning film, an upper positioning film and a vacuum pad, wherein the lower positioning film is arranged in the chest and abdomen positioning groove and connected with the fixing frame, the upper positioning film is positioned above the lower positioning film and connected with the fixing frame, and the vacuum pad is arranged between the upper positioning film and the lower positioning film;
the vacuum pads are two, wherein one vacuum pad is adhered to the bottom surface of the upper positioning film, and the other vacuum pad is adhered to the top surface of the lower positioning film.
2. The positioning apparatus for thoracic radiotherapy as set forth in claim 1, wherein: and clamping and connecting plates used for being connected with the fixing frame are respectively arranged on two sides of the upper positioning film and two sides of the lower positioning film.
3. The positioning apparatus for thoracic radiotherapy as set forth in claim 2, wherein: the clamping plate comprises a top plate, a bottom plate and a side plate for connecting the top plate and the bottom plate; the top plate and the bottom plate are respectively provided with a tightening screw, the nut end of the tightening screw is positioned in the top plate or the bottom plate, and the screw end of the tightening screw penetrates through the top plate or the bottom plate.
4. The positioning apparatus for thoracic radiotherapy as set forth in claim 2, wherein: a plurality of positioning columns are respectively arranged on the fixing frame on two sides of the chest and abdomen positioning groove; and the clamping plate is provided with positioning holes which correspond to the positioning columns one to one.
5. The positioning apparatus for thoracic radiotherapy as set forth in claim 1, wherein: the pressing mechanism comprises a fixed plate connected with the fixed frame, a fixed rod connected with the fixed plate, a sliding sleeve nested on the fixed rod and capable of sliding up and down along the fixed rod, and a pressing block rotatably connected with the sliding sleeve through an eccentric rotating shaft.
6. The positioning apparatus for thoracic radiotherapy as set forth in claim 5, wherein: a plurality of annular grooves are formed in the sliding sleeve at intervals along the sliding direction of the sliding sleeve; the top end of the fixed rod is provided with an annular convex block protruding outwards; the annular convex block is clamped with one of the annular grooves.
7. The positioning apparatus for thoracic radiotherapy as set forth in claim 1, wherein: the fixing frame is provided with a head positioning groove and a leg positioning groove; and the fixing frame is provided with binding bands on two sides of the leg positioning groove.
8. The positioning apparatus for thoracic radiotherapy as set forth in claim 1, wherein: two strip-shaped grooves are formed in the top surface of the fixing frame above the chest and abdomen positioning grooves; a conveying mechanism is arranged in each strip-shaped groove; the conveying mechanism comprises two transmission shafts arranged at intervals and a conveying belt sleeved on the two transmission shafts; the conveying belt is provided with a handheld holding rod; the transmission shaft is arranged in the strip-shaped groove through the fixing block.
9. The positioning apparatus for thoracic radiotherapy as set forth in claim 8, wherein: the handheld holding rod comprises a fixed sleeve arranged on the conveyor belt, a pressure rod with the lower part embedded in the fixed sleeve, a spring with one end fixedly connected to the bottom surface of the pressure rod, and a pressing block connected with the other end of the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487069.6A CN109731239B (en) | 2018-12-06 | 2018-12-06 | Chest radiotherapy positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487069.6A CN109731239B (en) | 2018-12-06 | 2018-12-06 | Chest radiotherapy positioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109731239A CN109731239A (en) | 2019-05-10 |
| CN109731239B true CN109731239B (en) | 2020-06-30 |
Family
ID=66359277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811487069.6A Active CN109731239B (en) | 2018-12-06 | 2018-12-06 | Chest radiotherapy positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109731239B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448816B (en) * | 2019-09-19 | 2024-04-26 | 德阳市人民医院 | Body frame for radiotherapy |
| CN112604188A (en) * | 2020-12-31 | 2021-04-06 | 陈文俊 | Lifting device for radiotherapy equipment in tumor and radiotherapy equipment |
| CN113069692B (en) * | 2021-03-17 | 2021-12-21 | 陕西省人民医院 | Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy |
| CN113509650A (en) * | 2021-07-14 | 2021-10-19 | 河南省肿瘤医院 | Positioning plate for breast tumor treatment |
| CN113616940B (en) * | 2021-08-10 | 2024-01-30 | 张蕴蕴 | Device for assisting tumor radiotherapy positioning |
| CN114053603B (en) * | 2021-11-30 | 2022-05-13 | 贾飞 | Radiotherapy position mount |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07148279A (en) * | 1993-11-29 | 1995-06-13 | Hidenao Akatsu | Chest fixing device for radiation treatment |
| US5566681A (en) * | 1995-05-02 | 1996-10-22 | Manwaring; Kim H. | Apparatus and method for stabilizing a body part |
| CN103371838A (en) * | 2012-04-27 | 2013-10-30 | Ge医疗系统环球技术有限公司 | X-ray device and lifting structure thereof |
| CN104815393A (en) * | 2015-05-01 | 2015-08-05 | 浙江省肿瘤医院 | Cylindrical limb fixing type radiation treatment body part positioning hollow fixing frame |
| CN204637316U (en) * | 2015-05-01 | 2015-09-16 | 浙江省肿瘤医院 | Radiotherapy body location Tenon integral type body film |
| CN205108754U (en) * | 2015-11-18 | 2016-03-30 | 天津医科大学肿瘤医院 | Chest radiotherapy position mount |
| CN205163926U (en) * | 2015-10-26 | 2016-04-20 | 上海市肺科医院 | Accurate radiotherapy fixing device of somatic part |
| CN205433729U (en) * | 2015-12-23 | 2016-08-10 | 天津观兰集域科技有限公司 | Novel medical imaging inspects location device |
| CN206730288U (en) * | 2016-09-28 | 2017-12-12 | 浙江省肿瘤医院 | Radiotherapy incidence locating rack accessory upper limbs limiter |
-
2018
- 2018-12-06 CN CN201811487069.6A patent/CN109731239B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07148279A (en) * | 1993-11-29 | 1995-06-13 | Hidenao Akatsu | Chest fixing device for radiation treatment |
| US5566681A (en) * | 1995-05-02 | 1996-10-22 | Manwaring; Kim H. | Apparatus and method for stabilizing a body part |
| CN103371838A (en) * | 2012-04-27 | 2013-10-30 | Ge医疗系统环球技术有限公司 | X-ray device and lifting structure thereof |
| CN104815393A (en) * | 2015-05-01 | 2015-08-05 | 浙江省肿瘤医院 | Cylindrical limb fixing type radiation treatment body part positioning hollow fixing frame |
| CN204637316U (en) * | 2015-05-01 | 2015-09-16 | 浙江省肿瘤医院 | Radiotherapy body location Tenon integral type body film |
| CN205163926U (en) * | 2015-10-26 | 2016-04-20 | 上海市肺科医院 | Accurate radiotherapy fixing device of somatic part |
| CN205108754U (en) * | 2015-11-18 | 2016-03-30 | 天津医科大学肿瘤医院 | Chest radiotherapy position mount |
| CN205433729U (en) * | 2015-12-23 | 2016-08-10 | 天津观兰集域科技有限公司 | Novel medical imaging inspects location device |
| CN206730288U (en) * | 2016-09-28 | 2017-12-12 | 浙江省肿瘤医院 | Radiotherapy incidence locating rack accessory upper limbs limiter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109731239A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109731239B (en) | Chest radiotherapy positioner | |
| WO2019080843A1 (en) | Integrated thrombus prevention device capable of synchronous pulling and sequential-compression | |
| CN209951665U (en) | Pressure sore nursing device | |
| CN113069692B (en) | Vacuum pad combined thermoplastic membrane fixing device for breast tumor radiotherapy | |
| CN213608120U (en) | Novel emergency department machinery is pressed device | |
| CN114129384A (en) | Orthopedics postoperative care trainer | |
| CN209714026U (en) | Radiotherapy fixed frame | |
| CN213099137U (en) | Heart trainer for medical treatment of large internal medicine department | |
| CN209864386U (en) | Limb restraint device for pediatric clinic | |
| CN111297589B (en) | Medical instrument for leg rehabilitation of patient with sickbed lying | |
| CN114403914A (en) | Hand positioning device for X-ray film shooting | |
| CN211244516U (en) | Chest compression device for department of respiration | |
| CN210096316U (en) | Neonatal cardiopulmonary resuscitation prompting device | |
| CN210991706U (en) | Cardio-pulmonary resuscitation device suitable for different crowds | |
| CN114569900A (en) | Pelvic cavity and abdominal cavity radiotherapy positioning device and method | |
| CN210057277U (en) | Upper limb rehabilitation training device | |
| CN111529339A (en) | Massage robot and massage method | |
| CN219439170U (en) | Adjustable hand fixing device | |
| CN217724027U (en) | Limb rehabilitation tool for diabetic patients | |
| CN211094958U (en) | Fixing device for acupuncture experiment | |
| CN219331619U (en) | Head fixing device for ophthalmic examination | |
| CN219397821U (en) | Wrist strap fixing | |
| CN213430359U (en) | Pressure-adjustable low-cost wound pressurizing device | |
| CN220989544U (en) | Rehabilitation balancing ability training instrument | |
| CN219783133U (en) | Manual heart pressing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |