CN213527174U

CN213527174U - Radiotherapy positioner is used to oncology

Info

Publication number: CN213527174U
Application number: CN202021019510.0U
Authority: CN
Inventors: 关婷; 华红霞
Original assignee: Wuxi No 2 Peoples Hospital
Current assignee: Wuxi No 2 Peoples Hospital
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-06-25
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a radiotherapy positioner for oncology, comprising a base plate, the bottom plate upper surface is equipped with patient's end positioner, the bottom plate side is equipped with radiation end positioner, patient's end positioner includes head fixing device, neck fixing device, four limbs fixing device and truck fixing device, radiation end positioner includes the bracing piece, be equipped with vertical telescoping device on the bracing piece, bracing piece one end is passed through slider and is connected with the bottom plate side, horizontal bar one end is connected to the bracing piece other end, the horizontal bar other end is equipped with clamping jaw mechanism, be used for fixed radiation probe, the horizontal bar sets up with the bracing piece is perpendicular, be equipped with horizontal telescoping device on the horizontal bar. The utility model discloses simple structure, convenient operation sets up positioner into patient end positioner and radiation end positioner, and dual location, location accuracy is high, ensures that the radiotherapy dose is accurate as far as to be used in the tumour position, reduces the damage of normal tissue around the tumour as far as simultaneously.

Description

Radiotherapy positioner is used to oncology

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a radiotherapy positioner is used to oncology.

Background

Oncology department, some hospitals are divided into oncology department and oncology surgery department, and the oncology department mainly deals with the medical treatment of various benign and malignant tumors; tumor surgery provides a comprehensive treatment mainly based on surgery. The departments concerned by the specialized oncology hospital are subdivided according to different sites, such as breast surgery, head and neck surgery, thoracic surgery, oncology gynecology, abdominal surgery, oncology, etc.

Radiotherapy is most often used as one of the ways to treat tumors, either directly or as an adjunct, and radiotherapy is the use of free radiation as a way of treatment. The principle is that the energy generated by a large amount of radiation can destroy the chromosomes of cells to stop the cells from growing, thereby eliminating cancer cells which can divide and grow rapidly.

In the radiotherapy process, after a part to be radiotherapy is fixed, the part to be radiotherapy is irradiated by radioactive rays, the irradiation position is inaccurate, other parts of the body of a patient can be damaged, and the radiotherapy effect is influenced.

Present radiotherapy positioner mostly restricts the patient whole body through single mode, fixes the processing to the patient health, and the whole fixed firmness is low, leads to patient's health to be uncomfortable among the radiotherapy process. Radiation probes are mostly arranged on a radiation therapy instrument, and the radiation probes are fixed in position and cannot be accurately positioned according to specific radiotherapy positions of a patient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a positioner, especially simple structure, convenient operation is applicable to the radiotherapy of oncology specially, has patient's end and the dual locate function of radiation end, a radiotherapy positioner for oncology that positioning accuracy is high.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a radiotherapy positioner for oncology, includes the bottom plate, the bottom plate upper surface is equipped with patient's end positioner for each position of fixed patient's health, the bottom plate side is equipped with radiation end positioner for fixed radiation probe, patient's end positioner includes head fixing device, neck fixing device, four limbs fixing device and truck fixing device, radiation end positioner includes the bracing piece, be equipped with vertical telescoping device on the bracing piece, bracing piece one end pass through slider with the bottom plate side is connected, the bracing piece other end is connected horizon bar one end, the horizon bar other end is equipped with clamping jaw mechanism, is used for fixing radiation probe, the horizon bar with the bracing piece sets up perpendicularly, be equipped with horizontal telescoping device on the horizon bar.

Further, the bottom plate is rectangular shaped plate, bottom plate upper surface middle part is equipped with humanoid outline line, humanoid outline line head both ends are equipped with head fixing device, humanoid outline line neck both ends are equipped with neck fixing device, humanoid outline line four limbs department both ends are equipped with four limbs fixing device, four limbs fixing device includes arm fixing device, elbow fixing device, wrist fixing device, thigh fixing device, knee fixing device, shank fixing device and ankle fixing device, humanoid outline line trunk portion both ends are equipped with trunk fixing device, trunk fixing device includes chest fixing device, waist fixing device and buttock fixing device.

Furthermore, the head fixing device is a head fixing band, a head adjusting device is arranged on the head fixing band, and the head adjusting device enables the head fixing band to form a closed ring to be arranged on the periphery of the head of the patient.

Furthermore, the head adjusting device is a thread gluing, the head fixing band comprises a first head fixing band and a second head fixing band, the first head fixing band and the second head fixing band are respectively arranged at two ends of the head of the humanoid contour line, a connecting ring is arranged on the first head fixing band, and the thread gluing is arranged on the second head fixing band.

Further, the neck fixing device, the four limbs fixing device and the trunk fixing device are structurally the same as the head fixing device.

Further, slider includes the guide rail, the guide rail is arranged in the bottom plate side, the bracing piece bottom is equipped with the buckle, the buckle is the square column body, a buckle terminal surface is equipped with the guide rail recess, guide rail recess cross-section is "U" font, guide rail recess terminal surface is equipped with the baffle, the baffle includes two bar boards, the baffle is arranged in guide rail recess upper and lower edges, the baffle with guide rail recess parallel arrangement.

Furthermore, another terminal surface of buckle is equipped with the fastening thru hole, fastening thru hole connects fastener, fastener includes the top plate, the top plate is circular slice, a terminal surface of top plate is connected the axis of rotation, the axis of rotation with top plate joint end portion is equipped with the external screw thread, be equipped with the internal thread in the fastening thru hole, the external screw thread with the internal thread cooperation realizes another terminal surface of top plate with the guide rail terminal surface contact.

Furthermore, the vertical telescopic device comprises a vertical telescopic sleeve, a vertical telescopic rod and a vertical driving mechanism, one end of the vertical telescopic rod is connected with the horizontal rod, the other end of the vertical telescopic rod is arranged in one end of the vertical telescopic sleeve, and the other end of the vertical telescopic sleeve is connected with the vertical driving mechanism.

Further, horizontal telescoping device includes horizontal telescope tube, horizontal telescopic link and horizontal actuating mechanism, horizontal telescopic link one end is connected clamping jaw mechanism, the horizontal telescopic link other end is arranged in horizontal telescope tube one end, the horizontal telescope tube other end is connected horizontal actuating mechanism.

Further, the clamping jaw mechanism comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is hinged to the second clamping jaw in an X shape, the top of the first clamping jaw is connected with the top of the second clamping jaw through a return spring, and anti-skidding devices are arranged at the bottom of the first clamping jaw and the bottom of the second clamping jaw respectively.

The utility model has the advantages and positive effects that:

1. the utility model discloses simple structure, convenient operation sets up positioner into patient end positioner and radiation end positioner, and dual location, location accuracy is high, ensures that the radiotherapy dose is accurate as far as to be used in the tumour position, reduces the damage of normal tissue around the tumour as far as simultaneously.

2. The utility model discloses a patient holds positioner, including head, neck, four limbs, each position location fixing device of truck, each location position can use simultaneously, and fixed patient's health is whole-body, also can be according to concrete radiotherapy position, the exclusive use, and is fixed firm, and the flexibility is strong, has improved user's comfort level.

3. The utility model discloses a coordinate cooperation of radiation end positioner accessible each part realizes that the radiation probe is horizontal, vertical, arbitrary position of direction of height removes, with the accurate arbitrary point of fixing a position at three-dimensional coordinate of radiation probe, ensures that the radiotherapy dose is accurate as far as to be used in the tumour position, improves the radiotherapy effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a bottom plate according to an embodiment of the present invention.

Fig. 3 is a sectional view of the radiation end positioning device according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of a clamping jaw mechanism according to an embodiment of the present invention.

In the figure:

1. a radiation end positioning device 2, a patient end positioning device 3 and a bottom plate

4. Guide rail 5, buckle 6, slider

7. Head fixing device 8, neck fixing device 9 and arm fixing device

10. Chest fixing device 11, elbow fixing device 12 and waist fixing device

13. Wrist fixing device 14, hip fixing device 15, thigh fixing device

16. Knee fixing device 17, lower leg fixing device 18, ankle fixing device

19. Trunk fixing device 20, four-limb fixing device 21 and humanoid contour line

22. Thread gluing 23, first head fixing strap 24 and second head fixing strap

25. Connecting ring 26, horizontal rod 27 and transverse telescopic sleeve

28. Transverse telescopic rod 29, clamping jaw mechanism 30 and guide rail groove

31. Vertical telescopic sleeve 32, support rod 33 and guide rail groove

34. Fastening through hole 35, rotating shaft 36, and top sheet

37. Baffle 38, first clamping jaw 39 and second clamping jaw

40. Return spring 41, antiskid.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

The embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in fig. 1, the radiotherapy positioning device for oncology department of the present embodiment includes a base plate 3, and a patient end positioning device 2 is disposed on the upper surface of the base plate 3 for fixing each part of the patient's body. The side surface of the bottom plate 3 is provided with a radiation end positioning device 1 for fixing a radiation probe.

This embodiment simple structure, convenient operation sets up positioner into patient end positioner 2 and radiation end positioner 1, and dual location, location accuracy is high, ensures that the radiotherapy dose is accurate as far as possible to be used in the tumour position, reduces the damage of normal tissue around the tumour as far as possible simultaneously.

Patient holds positioner 2 and includes head fixing device 7, neck fixing device 8, four limbs fixing device 20 and truck fixing device 19, and each location position can use simultaneously, and fixed patient's health is whole-body, also can be according to specific radiotherapy position, exclusive use, and is fixed firm, and the flexibility is strong, has improved user's comfort level.

Specifically, as shown in fig. 2, the bottom plate 3 is a rectangular plate, a human-shaped contour line 21 is arranged in the middle of the upper surface of the bottom plate 3, head fixing devices 7 are arranged at two ends of the head of the human-shaped contour line 21, neck fixing devices 8 are arranged at two ends of the neck of the human-shaped contour line 21, and four-limb fixing devices 20 are arranged at two ends of four limbs of the human-shaped contour line 21. Preferably, the limb fixation device 20 includes an arm fixation device 9, an elbow fixation device 11, a wrist fixation device 13, a thigh fixation device 15, a knee fixation device 16, a calf fixation device 17, and an ankle fixation device 18. The trunk fixing devices 19 are arranged at two ends of the trunk part of the human-shaped contour line 21, and the trunk fixing devices 19 comprise a chest fixing device 10, a waist fixing device 12 and a hip fixing device 14.

The fixing means of each portion may be implemented by various structures. Specifically, as shown in fig. 2, the head fixing device 7 provided in this embodiment is a head fixing band, and a head adjusting device is disposed on the head fixing band, and the head adjusting device forms the head fixing band into a closed loop to be disposed on the periphery of the head of the patient.

The head adjusting device forms the head fixing band into a closed ring for adjusting the diameter of the closed ring, and the head adjusting device can be of various structures as long as the functions are realized. The head adjustment means may be a snap, catch or the like. As shown in fig. 2, the head adjustment device provided in this embodiment is a hook and loop fastener 22, the head fixing strap includes a first head fixing strap 23 and a second head fixing strap 24, the first head fixing strap 23 and the second head fixing strap 24 are respectively disposed at two ends of the head of the anthropomorphic outline 21, the first head fixing strap 23 is provided with a connecting ring 25, and the second head fixing strap 24 is provided with a hook and loop fastener 22. The sticking buckle 22 comprises a sticky hook and sticky hair, and the sticky hook and the sticky hair are arranged on the front side and the back side of the second head fixing band 24 in a staggered mode. When in use, the end of the thread gluing 22 passes through the connecting ring 25, and the thread gluing 22 is fixed with the sticky hair.

The neck fixation device 8, the limb fixation device 20 and the trunk fixation device 19 provided in this embodiment have the same structure as the head fixation device 7.

As shown in fig. 3, the radiation end positioning device 1 includes a support rod 32, a vertical telescopic device is disposed on the support rod 32, one end of the support rod 32 is connected to the side of the bottom plate 3 through a sliding device 6, the other end of the support rod 32 is connected to one end of a horizontal rod 26, a clamping jaw mechanism 29 is disposed at the other end of the horizontal rod 26 for fixing the radiation probe, the horizontal rod 26 is perpendicular to the support rod 32, and a horizontal telescopic device is disposed on the horizontal rod 26.

The radiation end positioning device 1 of this embodiment can realize the horizontal, vertical, arbitrary position of direction of height of radiation probe and remove through the coordination of each part, with the accurate arbitrary point of positioning at three-dimensional coordinate of radiation probe, ensure that the radiotherapy dose is accurate as far as possible and is used in tumor position, improve the radiotherapy effect.

Slide device 6 is for realizing the arbitrary device that radiation end positioner 1 removed along 3 length direction of bottom plate, slide device 6 can be multiple structure, it is concrete, as shown in fig. 3, slide device 6 includes

guide rail

4, 3 sides of bottom plate are arranged in to guide rail 4, bracing piece 32 bottom is equipped with buckle 5, buckle 5 is square columnar body, 5 terminal surfaces of buckle are equipped with guide rail groove 33, guide rail groove 33 cross-section is "U" font, guide rail groove 33 terminal surface is equipped with baffle 37, baffle 37 includes two bar boards, the upper and lower edges of guide rail groove 33 are arranged in to baffle 37, baffle 37 and guide rail groove 33 parallel arrangement.

Another terminal surface of buckle 5 is equipped with fastening thru hole 34, fastening thru hole 34 connects fastener, fastener is for realizing the fixed device in radiation end positioner 1 along bottom plate 3 length direction optional position, fastener can be multiple structure, it is specific, as shown in fig. 3, the fastener that this embodiment provided includes top plate 36, top plate 36 is circular slice, axis of rotation 35 is connected to top plate 36 one terminal surface, axis of rotation 35 is equipped with the external screw thread with top plate 36 joint end portion, be equipped with the internal thread in the fastening thru hole 34, external screw thread and female screw-thread fit, realize top plate 36 another terminal surface and the contact of guide rail 4 terminal surface, realize the fastening.

Vertical telescoping device is the adjust support pole 32 height, realizes the arbitrary device of adjusting of radiation probe along 3 direction of height of bottom plate, and vertical telescoping device can be multiple structure, and is specific, as shown in fig. 3, vertical telescoping device includes vertical telescope tube 31, vertical telescopic link 30 and vertical actuating mechanism, and the horizon bar 26 is connected to 30 one end of vertical telescopic link, and vertical telescope tube 31 one end is arranged in to the 30 other ends of vertical telescopic link, and vertical actuating mechanism is connected to the 31 other ends of vertical telescope tube. The vertical driving mechanism is a motor, and the motor drives the vertical telescopic rod 30 to move, so that the vertical telescopic device is lifted.

Horizontal telescoping device is for adjusting 26 lengths of horizon bar, realizes the device that the radiation probe adjusted along bottom plate 3 width direction wantonly, and horizontal telescoping device can be multiple structure, and is concrete, as shown in fig. 3, horizontal telescoping device includes horizontal telescope tube 27, horizontal telescopic link 28 and horizontal actuating mechanism, and clamping jaw mechanism 29 is connected to horizontal telescopic link 28 one end, and horizontal telescope tube 27 one end is arranged in to the horizontal telescopic link 28 other end, and horizontal actuating mechanism is connected to the horizontal telescope tube 27 other end. The transverse driving mechanism is a motor, and the motor drives the transverse telescopic rod 28 to move, so that the transverse telescopic device is telescopic.

The clamping jaw mechanism 29 is any device for clamping the radiation probe and realizing the position fixation of the radiation probe, the clamping jaw mechanism 29 can be in various structures, specifically, as shown in fig. 4, the clamping jaw mechanism 29 comprises a first clamping jaw 38 and a second clamping jaw 39, the first clamping jaw 38 and the second clamping jaw 39 are hinged in an X shape, the top of the first clamping jaw 38 is connected with the top of the second clamping jaw 39 through a return spring 40, and the bottom of the first clamping jaw 38 and the bottom of the second clamping jaw 39 are respectively provided with an anti-skid device 41.

Preferably, the present embodiment further provides a control end, and the interaction between the control end and each device can be implemented by using various signals and technologies. These signals and techniques include: one or more of orthogonal signals, CDMA, TDMA, FDMA, OFDMA, ultra wideband signals, chirp signals, laser signals. The signals to and from the control end and devices may be modulated (using AM, FM, PSK, FSK, MSK, QAM, or any other possible modulation) or may be otherwise encoded or configured to contain timing, synchronization, control, data, multipath signal component identification, security codes, information to ensure proper operation, and redundancy. The signals to and from the control end and devices may include Gold codes, PN codes, M-Sequence codes, Walsh-Hadamard codes, or any other codes. The control end may be a conventional chip, a single chip, or a controller, and the like, and has a module with a corresponding function, which drives the above device to implement the above function, and the details are not repeated herein.

The connection mode of the control end and each part of the radiation end positioning device 1 comprises wired connection and wireless connection. Wired connection can be connected through modes such as serial bus, P1394, Thunderbolt, and wireless connection mode accessible Bluetooth, Bluetooth Low Energy, WIFI, Zigbee etc. mode is connected.

The utility model discloses a theory of operation is:

the patient lies in the humanoid contour line 21 on the upper surface of the bottom plate 3, and each part of the body of the patient is coincided with each part of the humanoid contour line 21. After the part of the patient to be treated by radiotherapy is fixed, the radiation probe is clamped by the clamping jaw mechanism 29, the radiation probe is adjusted to the accurate position by the control end and then is fixed, and the radiotherapy is carried out on the patient.

The utility model has the advantages and positive effects that:

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a radiotherapy positioner for oncology which characterized in that: the bottom plate comprises a base plate, the bottom plate upper surface is equipped with patient's end positioner for each position of fixed patient's health, the bottom plate side is equipped with radiation end positioner for fixed radiation probe, patient's end positioner includes head fixing device, neck fixing device, four limbs fixing device and truck fixing device, radiation end positioner includes the bracing piece, be equipped with vertical telescoping device on the bracing piece, bracing piece one end pass through slider with the bottom plate side is connected, horizontal bar one end is connected to the bracing piece other end, the horizontal bar other end is equipped with clamping jaw mechanism, is used for fixing radiation probe, the horizontal bar with the bracing piece sets up perpendicularly, be equipped with horizontal telescoping device on the horizontal bar.

2. The positioning device for radiotherapy in oncology department according to claim 1, wherein: the bottom plate is rectangular shaped plate, bottom plate upper surface middle part is equipped with humanoid outline line, humanoid outline line head both ends are equipped with head fixing device, humanoid outline line neck both ends are equipped with neck fixing device, humanoid outline line four limbs department both ends are equipped with four limbs fixing device, four limbs fixing device includes arm fixing device, elbow fixing device, wrist fixing device, thigh fixing device, knee fixing device, shank fixing device and ankle fixing device, humanoid outline line cadre body both ends are equipped with truck fixing device, truck fixing device includes chest fixing device, waist fixing device and buttock fixing device.

3. The positioning device for radiotherapy in oncology department according to claim 2, wherein: the head fixing device is a head fixing band, a head adjusting device is arranged on the head fixing band, and the head adjusting device enables the head fixing band to form a closed ring to be arranged on the periphery of the head of a patient.

4. The positioning device for radiotherapy in oncology department according to claim 3, wherein: the head adjusting device is a thread gluing, the head fixing band comprises a first head fixing band and a second head fixing band, the first head fixing band and the second head fixing band are respectively arranged at two ends of the head of the humanoid contour line, a connecting ring is arranged on the first head fixing band, and the thread gluing is arranged on the second head fixing band.

5. The positioning device for radiotherapy in oncology department according to claim 4, wherein: the neck fixing device, the four limbs fixing device and the trunk fixing device are structurally the same as the head fixing device.

6. The positioning device for radiotherapy in oncology department according to any one of claims 1 to 5, wherein: the sliding device comprises a guide rail, the guide rail is arranged on the side face of the bottom plate, a buckle is arranged at the bottom of the supporting rod and is a square columnar body, a guide rail groove is formed in one end face of the buckle, the cross section of the guide rail groove is in a U shape, a baffle is arranged on the end face of the guide rail groove and comprises two strip-shaped plates, the baffle is arranged on the upper edge and the lower edge of the guide rail groove, and the baffle is parallel to the guide rail groove.

7. The positioning device for radiotherapy in oncology department according to claim 6, wherein: the other end face of the buckle is provided with a fastening through hole, the fastening through hole is connected with a fastening device, the fastening device comprises a top plate, the top plate is in a circular sheet shape, one end face of the top plate is connected with a rotating shaft, an external thread is arranged at the connecting end part of the rotating shaft and the top plate, an internal thread is arranged in the fastening through hole, and the external thread is matched with the internal thread to realize the contact of the other end face of the top plate and the end face of the guide rail.

8. The positioning device for radiotherapy in oncology department according to any one of claims 1 to 5 or 7, wherein: the vertical telescopic device comprises a vertical telescopic sleeve, a vertical telescopic rod and a vertical driving mechanism, one end of the vertical telescopic rod is connected with the horizontal rod, the other end of the vertical telescopic rod is arranged in one end of the vertical telescopic sleeve, and the other end of the vertical telescopic sleeve is connected with the vertical driving mechanism.

9. The positioning device for radiotherapy in oncology department according to any one of claims 1 to 5 or 7, wherein: the horizontal telescoping device includes horizontal telescope tube, horizontal telescopic link and horizontal actuating mechanism, horizontal telescopic link one end is connected gripper mechanism, the horizontal telescopic link other end is arranged in horizontal telescope tube one end, the horizontal telescope tube other end is connected horizontal actuating mechanism.

10. The positioning device for radiotherapy in oncology department according to any one of claims 1 to 5 or 7, wherein: the clamping jaw mechanism comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is hinged to the second clamping jaw in an X-shaped mode, the top of the first clamping jaw is connected with the top of the second clamping jaw through a return spring, and anti-skidding devices are arranged at the bottom of the first clamping jaw and the bottom of the second clamping jaw respectively.