269 results about "Therapeutic bed" patented technology

The present invention belongs to the field of medical equipment, and in particular, relates to a medical bed for patient transfer and treatment and a method of using the same. The medical bed includes a treatment bed and a transfer bed that can be docked and separated, a guide mechanism for guiding when the two are connected is provided between the transfer bed and the treatment bed, and a transfer bed locking mechanism is provided between the transfer bed and the treatment bed, and the transfer bed locking mechanism is used to lock the transfer bed and the treatment bed when docked and unlock when separated. The beneficial effects of the present invention are: the docking of the transfer bed and the treatment bed is simple and convenient, and the docking is stable and accurate, which is convenient for the transfer and treatment of patients, and the patient does not need to move frequently, which reduces the difficulty of patient transfer treatment.

The invention discloses an optical body surface monitoring method and device applied to a radiotherapy room system and a medium, and relates to the technical field of optical body surface monitoring, and the method comprises the steps: employing a checkerboard calibration algorithm, and determining a positioning external parameter and a treatment external parameter; performing positioning monitoring on the user according to the positioning reference body surface, the body surface positioning real-time point cloud of the user under multiple visual angles and the positioning external parameters of each camera in the positioning camera group, and moving the treatment bed until the body surface positioning mark point of the user is aligned with the positioning isocenter of the radiotherapy machine; performing radiotherapy image verification monitoring on the user according to the treatment reference body surface, the first body surface treatment real-time point cloud and the treatment external reference, and moving the treatment bed until the body surface positioning mark point of the user is aligned with the treatment center of the radiotherapy machine; and performing treatment monitoring on the user in the beam treatment process according to the second body surface treatment real-time point cloud and the treatment external reference, and determining a treatment real-time error. The optical body surface monitoring can be completed based on the annular structure radiotherapy machine by determining the positioning external reference and the treatment external reference.

The utility model provides a two-dimensional rotation driving mechanism of a treatment couch, which is arranged under the treatment couch, fixedly connected with the treatment couch and used for driving the treatment couch to rotate transversely and longitudinally. The two-dimensional rotation driving mechanism comprises a top frame, a middle frame and a bottom frame which are stacked up and down, a transverse driving assembly used for driving the top frame and the middle frame to synchronously rotate in the transverse direction, and a longitudinal driving assembly used for driving the top frame to rotate in the longitudinal direction. By adopting the two-dimensional rotation driving mechanism and the driving method of the treatment bed, the positioning error of a patient can be reduced, and the positioning flexibility can be improved.

The invention provides a radiotherapy bed, and belongs to the technical field of medical instruments. Comprising a base, a lifting part is arranged at the top of the base, a transverse moving part is arranged at the top of the lifting part, a top frame is arranged at the top of the transverse moving part, a bed plate is slidably connected to the top of the top frame, two electric sliding rails are symmetrically installed at the top of the bed plate, and a carrying plate is arranged at the tops of the electric sliding rails; and a limiting part is arranged at the top of the carrier plate. A limiting part is moved to the position near the waist of the patient through an electric sliding rail, so that the stability of fixing the patient is improved by using the limiting part; a first air cylinder is started to drive a first output shaft to move, so that a limiting plate is driven to rotate, the limiting plate presses a patient, and the patient is prevented from moving on a bed board; the position of the bed board is adjusted through a control button, a second motor and a third motor are controlled to be started through the control button, the second motor drives a second lead screw to rotate, and a second sliding block drives a top frame and the bed board to transversely move.

Example methods and systems for treatment couch calibration are described. In one example, a computer system may obtain multiple candidate datasets and multiple first couch models. Based on the multiple candidate sets and the multiple first couch models, the computer system may perform numerical calibration to generate multiple second couch models. Based on the multiple first couch models and the multiple second couch models, the computer system may determine metric data associated with the multiple candidate datasets. The computer system may select, from the multiple candidate datasets, a first dataset based on the metric data. The first dataset may be selected for use by a controller associated with a treatment couch to cause the treatment couch to move towards each of the multiple first calibration poses during treatment couch calibration.

The invention discloses an intelligent intervertebral disc physiotherapy instrument with a thermomagnetic function based on the theory of traditional Chinese medicine, and the instrument comprises a treatment bed, the outer surface of the front end of the treatment bed is provided with a control panel, the outer surface of the upper end of the treatment bed is fixedly connected with a base plate, and the outer surfaces of the two sides of the treatment bed are fixedly connected with a mounting frame. The inner surface of the upper end of the mounting frame is provided with a multidirectional adjustable positioning and supporting device used for improving the positioning convenience of intervertebral disc treatment, the multidirectional adjustable positioning and supporting device comprises a mounting seat, and the outer surface of the upper end of the mounting seat is fixedly connected with a fixing plate. According to the intelligent intervertebral disc physiotherapy instrument with the thermomagnetic function based on the theory of traditional Chinese medicine, the multidirectional adjustable positioning and supporting device is arranged, the structure is simple, the automation degree is high, automatic adjusting and positioning of the discomfort position of the intervertebral disc of a patient can be achieved, the use convenience of the device is improved, the accuracy of the treatment position is improved, and the practicability is high. The treatment effect is improved.

The invention relates to the technical field of medical equipment, in particular to a positioning position determining method for neutron therapy and a therapy auxiliary system. Checking whether the treatment table and the auxiliary firmware interfere with the treatment head or not to obtain an auxiliary firmware positioning parameter and a treatment table positioning parameter; after an auxiliary firmware is fixed to the treatment bed according to the auxiliary firmware positioning parameters, the treatment bed is located at the initial center position, and the laser positioning line is aligned with the initial center position, the treatment bed is controlled to move according to the treatment bed positioning parameters, and the alignment position of the moved laser positioning line on the treatment bed is determined as the positioning position of the detected target. According to the invention, the positioning and positioning time of neutron treatment of the detected target is greatly saved, and the inconvenience of frequent CT scanning of the detected target and multiple attempts of verification and positioning of the treatment bed is greatly reduced.

The invention provides a robot treatment bed positioning error correction method. The method comprises three steps of coordinate system establishment and calibration, positioning error detection and calculation and error correction. A first reflection target ball is installed at an angular point of a treatment bed, a high-precision optical positioning system is used for obtaining coordinates of a radiotherapy isocenter point, and a conversion relation between a base coordinate system and an optical positioning system coordinate system is established. Controlling the treatment bed to move to four non-coplanar feature points, collecting actual coordinates, comparing the actual coordinates with theoretical coordinates, calculating an error matrix of a base coordinate system, solving a target pose matrix, driving the robot treatment bed to adjust the tail end pose, and realizing accurate alignment of a treatment center and an isocenter. The method can detect and automatically compensate systematic pose deviation caused by mechanical wear in real time, has the advantages of high precision, high automation degree, correction from an error source and the like, and effectively guarantees long-term positioning precision and clinical safety of a radiotherapy system.

The invention provides a proton helium ion treatment device. The proton helium ion treatment device comprises an injector, an accelerator, a rotating rack, a treatment head, a beam distribution system and a six-dimensional treatment bed which are sequentially arranged in the conveying direction of a beam. The injector comprises a hydrogen ion source and a helium ion source which can be switched; the treatment head and beam distribution system comprises an integrated scanning magnet, a position ionization chamber, a dose ionization chamber, a ridge-shaped filter and a range shifter which are installed on a treatment head support and sequentially arranged in the beam conveying direction, and the integrated scanning magnet is used for beam deflection in the transverse X direction and the transverse Y direction at the same time. A cone beam CT system is further fixedly installed on the rotating rack, and precise positioning and positioning correction of a patient are achieved in combination with the six-dimensional mechanical arm treatment bed. The proton helium ion treatment device can meet the requirement for high precision of patient positioning in ion treatment, ion treatment with optional proton helium ions can be achieved, and the treatment system is more compact through the design of the integrated scanning magnet.

Systems, devices, and methods for increasing the dose spread in treatment systems delivering non-coplanar treatments to a patient using a couch with limited couch rotation angle ranges, the increasing including combining dose spreads generated by shifting the isocenter location and shifting the couch angles in such a way as to maximize the dose spread in both sides of the patient, and systems, devices and methods for generating non-coplanar treatment plans with different couch-kick ranges from which the non-coplanar treatment plan that takes into account the couch shifts needed for correcting patient positioning is selected for delivery.

An apparatus for a treatment delivery system includes a base with a first surface for resting on a patient-receiving surface of a couch of the treatment delivery system and a second surface; and a movable surface that is included in the second surface and can be actuated in a first direction away from the couch and in a second direction toward the couch. Alternatively or additionally an apparatus for a treatment delivery system includes a base with a first surface for resting on a patient-receiving surface of a couch of the treatment delivery system and a second surface; and a movable surface that is included in the second surface and can be actuated in a first direction away from the couch and in a second direction toward the couch.

The invention relates to a real-time magnetic resonance guided head gamma beam stereotactic radiotherapy system, which comprises a magnet module, a gamma beam module, a treatment bed module and a source body driving assembly, the magnet module comprises a base, a left vertical yoke and a right vertical yoke which are arranged on two sides of the base, and a left magnetic pole and a right magnetic pole which are respectively arranged on the inner side of the left vertical yoke and the inner side of the right vertical yoke; the left magnetic pole and the right magnetic pole are arranged in parallel; a Y-axis linear guide rail is arranged on the base; the gamma beam module comprises a shielding body assembly, a source body assembly and a collimation body assembly, wherein the source body assembly and the collimation body assembly are arranged in the shielding body assembly and are coaxially nested. The shielding body assembly is fixedly connected with the left vertical yoke and the right vertical yoke; the treatment bed module is arranged on the Y-axis linear guide rail, and the source body driving assembly is connected with the source body assembly. According to the invention, clear imaging of cranial soft tissue in a high field intensity environment can be realized, gamma rays are guided to carry out real-time image-guided stereotactic radiotherapy, and the radiotherapy precision is improved.

The invention discloses a light-induced therapeutic apparatus for preventing myopia, and relates to the technical field of ophthalmology medical instruments. The supporting frame is erected on the upper side of the shell and is of an inverted-U-shaped structure. Rotating shafts are symmetrically and fixedly arranged on the two side walls of the shell, and the ends of the rotating shafts are rotationally arranged on the two side walls of the supporting frame through bearings; the two ends of the supporting frame are arranged in the guide grooves in a sliding mode through guide strips arranged on the supporting frame. The electric push rod is vertically and fixedly arranged on the horizontal end face of the right-angle base on the right side, and the upper end of the electric push rod is fixedly arranged on the side wall of the supporting frame through a mounting base. The angle limiting mechanisms are arranged on the two sides of the shell and connected with the rotating shaft. The fixing mechanism is arranged on the horizontal end face of the right-angle base on the left side. The device is installed on a treatment bed through the fixing mechanism, a patient is treated in a flat lying mode, the light-induced training integrated board is in a fixed state, displacement and shaking are not prone to occurring, and the training stability is guaranteed.

The invention relates to the field of orthopedic appliances for bone or joint non-surgical treatment and the field of electrotherapy, magnetic therapy and radiation therapy, in particular to a postpartum infrared rehabilitation treatment device which comprises a treatment bed, a pelvis containing groove is formed in the treatment bed, an infrared heater is arranged at the bottom of the pelvis containing groove, and a transparent bottom plate is arranged at the bottom of the pelvis containing groove. A mounting base is arranged at the tail of the treatment bed, two fixing plates are slidably arranged on the mounting base, a synchronous driving mechanism is arranged in the mounting base and used for driving the two fixing plates to be synchronously separated or synchronously drawn close, connecting plates are slidably arranged on the fixing plates, bandages are arranged on the connecting plates, one ends of the bandages are fixedly connected with the connecting plates, and the other ends of the bandages are fixedly connected with the connecting plates. And the other end of the bandage is detachably connected with the connecting plate. The problem that in the prior art, the whole repairing process is driven by two legs of a patient, and labor is consumed is solved.

This invention discloses a multi-position adjustable rehabilitation treatment bed, belonging to the field of medical device technology, including a support platform; a tray is provided on the support platform; a lifting adjustment mechanism is provided on the support platform to tilt the tray upwards; a head adjustment mechanism is provided on the front side of the tray to adjust the height of the patient's head; and a lower limb adjustment mechanism is provided on the rear side of the tray to adjust the patient's lower limbs in multiple positions. This invention enables rehabilitation movements such as standing up, leg raising, knee flexion, and head movement without requiring medical staff to manually lift and support the patient's limbs. It changes the traditional situation where rehabilitation exercises require multiple medical staff to operate together, effectively reducing the physical exertion of medical staff, saving the human resource cost of clinical rehabilitation, and solving the problems of high human resource input and high operational difficulty in traditional manual rehabilitation.

The invention provides a treatment bed panel supporting device. The treatment bed panel supporting device comprises a bottom plate, a first movable plate, a second movable plate, a swing assembly, a bidirectional rotating assembly and two rod end knuckle bearing assemblies. The second movable plate is arranged at the top of the bottom plate and is rotationally connected with the bottom plate through a rotating shaft; the swing assembly is connected with the rear end of the second movable plate. A first horizontal rotating part of the two-way rotating assembly is fixedly connected with the top of the second movable plate, and a second horizontal rotating part of the two-way rotating assembly is fixedly connected with the bottom of the first movable plate; the two groups of rod end knuckle bearing assemblies comprise longitudinal beams and rod end knuckle bearings; the rod end knuckle bearing comprises a bearing seat, a rod and an output pin shaft; the longitudinal beam is fixedly connected with the output pin shaft; the bottom of the first movable plate is slidably connected with the two longitudinal beams in the first horizontal direction. A bearing seat of the rod end knuckle bearing is in sliding connection with the top of the second movable plate in the second horizontal direction; the top of the first movable plate is used for fixing the panel. By means of the positioning device, a patient on the treatment bed can be accurately positioned.

The invention discloses a traditional Chinese medicine scraping therapy treatment device which comprises two moving guide rails installed on the two sides of a treatment bed through screws, sliding blocks are slidably connected to the interiors of the moving guide rails through moving control mechanisms, a moving frame is connected to the upper portions of the sliding blocks, and a fixing frame is connected to the interior of the horizontal portion of the moving frame. The lower portion of the fixing frame is connected with an upper connecting base through a regulation and control assembly, the lower portion of the upper connecting base is connected with a lower connecting base through an elastic connecting piece, and a scraping therapy assembly is connected into the lower connecting base. According to the traditional Chinese medicine scraping therapy treatment device, the whole traditional Chinese medicine scraping therapy treatment device does not need to be manually supported, the labor intensity of medical staff is further reduced, then through cooperation of a moving control mechanism in a moving guide rail and a sliding block, a moving frame and a scraping therapy assembly can be automatically driven to move in a reciprocating mode to conduct scraping therapy operation, and the traditional Chinese medicine scraping therapy treatment device is convenient to use. The height position of the scraping therapy assembly can be automatically and finely adjusted, and therefore the situation that the force of the scraping therapy assembly is too small or too large due to the too large or too small distance is avoided.

The application provides a medical linear accelerator mechanical rotation accuracy detection device and method, wherein the device comprises a stationary pointer, a fixed rod, a movable pointer and a ranging assembly. The stationary pointer and the fixed rod are respectively preassembled on a treatment bed and a support frame, and the fixed rod is provided with a containing groove; the movable pointer is slidingly inserted into the containing groove and is connected with a positioning element. The method comprises the following steps: (1) installing the stationary pointer and the fixed rod; (2) moving the movable pointer; (3) connecting the positioning element and the stationary pointer, and recording the value of the ranging assembly; (4) rotating the support frame, and observing the value change of the ranging assembly; (5) if there is no value change, the accelerator passes the detection; if there is a change, it is determined that the accelerator is damaged, and the value of the ranging assembly after the change is recorded. The medical linear accelerator mechanical rotation accuracy detection device and method provided by the application can reflect the detection result as a value, which is convenient to observe and easy to record, and is beneficial to later analysis.

The utility model relates to a focused ultrasound system, which comprises an ultrasound image acquisition device, a B-mode ultrasound host acquires a real-time ultrasound image of a target tissue through a B-mode ultrasound probe; the treatment head comprises a transducer for emitting focused ultrasonic waves to the target tissue; the movement mechanism drives the treatment head to move; a control host for controlling the transducer is arranged in the control cabinet; the ultrasonic controller is in communication connection with the control host to start or close the transducer; the water bag used for containing a coupling agent is installed on the bracket, the bracket is detachably and movably connected with the treatment bed, and the treatment head freely moves in the water bag so as to conduct focused ultrasound on the target tissue located between the water bag and the treatment bed. According to the focused ultrasound system, the movement mechanism is controlled by the movement controller to enable the focus of the treatment head to be quickly overlapped with the target position of the treatment plan, a patient is located between the water bag and the treatment bed, the bracket can be moved according to needs, and great convenience is provided.

The present invention discloses a treatment bed and radiotherapy equipment, belonging to the technical field of medical devices. The treatment bed comprises: a treatment bed body, a support bracket and a base body. The support bracket supports the treatment bed body; the base body is connected to one end of the support bracket and is configured to be fixedly connected to the rigid support part of the radiotherapy equipment. When the base body does not contact the ground or the contact area is small, the contact area between the treatment bed body and the support bracket is large, so that the base body can effectively support the treatment bed body, effectively reducing the floor space of the treatment bed.

The invention discloses a multifunctional radiotherapy calibration device, a positioning system and a calibration method.The multifunctional radiotherapy calibration device comprises a laser tracker target ball assembly, a calibration device body with supporting plate orthogonal scribed lines and a cubic die body with die body orthogonal scribed lines, and the calibration device body and the cubic die body are each provided with a plurality of target ball positioning holes; the target ball positioning holes in the cubic die body are respectively formed in the central positions of all surfaces of the cubic die body; the verification device body is provided with a surface positioning structure which is used for performing surface matching positioning with the cubic die body in the X direction, the Y direction and the Z direction, and a target ball center positioning hole is formed in the orthogonal point of the orthogonal scribed lines of the supporting plate. The method can realize the coincidence of the central point of a treatment area on a treatment bed board and the treatment central point of a beam port, the line width of a laser positioning system, the perpendicularity of orthogonal laser lines and the central point position of the laser positioning system, and the image guide range, geometric position relation and central point position of an image guide radiotherapy system. And quickly checking whether the axes of the two groups of X-ray beams are coplanar or not.

The invention discloses a quantum space capsule with a magnetization energy field, which comprises a treatment bed for a patient to lie on, a cabin cover body is connected to the treatment bed in a turnover manner, a cabin body is formed between the treatment bed and the cabin cover body, and a magnetization energy field generation system for generating a stable and uniform magnetic field is arranged in an inner cavity of the cabin cover body. An electric push rod for driving the hatch cover body to automatically turn over, open and close is arranged between the treatment bed and the hatch cover body, and a ventilation system for ensuring the air quality and humidity in the hatch cover body is arranged on the outer side of the hatch cover body; by adopting an advanced magnetic field control technology and an electromagnetic frequency adjusting technology, the control precision and the energy transfer efficiency of a magnetized energy field are improved, and the treatment effect is enhanced; the intelligent control system realizes personalized treatment, meets different requirements of patients, and improves the pertinence and effectiveness of treatment; a comfortable treatment environment is provided, and the comfort and safety of a patient are enhanced; the treatment effect of the magnetized energy field can effectively relieve body pain and improve body conditions.

The utility model discloses a support for replacing a treatment bed, and relates to the field of proton and heavy ion therapeutic apparatuses, the support comprises a bed board, the two ends of the bed board are respectively provided with a supporting table, a connecting plate is arranged above the supporting tables, the connecting plate is located between the supporting tables and the bed board, and a bearing plate is arranged between the bed board and the connecting plate. A limiting frame is fixed to the supporting table, the connecting plate slides in the limiting frame, a height coarse adjustment assembly is arranged between the supporting table and the connecting plate, a height fine adjustment assembly is arranged between the connecting plate and the bearing plate, and horizontal adjustment mechanisms are arranged at the two ends of the bearing plate. When the treatment bed breaks down, the bed plate can replace the treatment bed. The bed board is finally adjusted to the accurate position through the height coarse adjustment assembly and the height fine adjustment assembly. After height adjustment is completed, the horizontal position of the bed board can be adjusted through the horizontal adjusting mechanism, and smooth treatment is guaranteed.

The invention belongs to the technical field of radiotherapy auxiliary equipment, and provides a head, neck and shoulder fixing frame for radiotherapy, which comprises a head and neck bearing plate, the head and neck bearing plate is mounted on a treatment bed, a detachably connected pressing plate is arranged at the edge of the top of the head and neck bearing plate, a thermoplastic film body is arranged at the bottom of the pressing plate, and the thermoplastic film body is provided with an elastic sheet. The thermoplastic film body covers the head, the neck and the shoulders of a person, the thermoplastic film body is divided into a high-rigidity head and neck area and an elastic shoulder area, and the head and neck area and the shoulder area adopt different thermal deformation temperatures; mounting clamping plates are symmetrically arranged at the tail end of the head and neck bearing plate, rotary clamping assemblies are arranged at the tops of the mounting clamping plates, and shoulder baffles used for limiting the shoulders are arranged on the rotary clamping assemblies; through the arrangement of the fixing frame, the fixing degree of a radiotherapy patient is improved, and the comfort is improved.

The invention discloses a comprehensive tumor radiotherapy bed, and relates to the technical field of radiotherapy. The device comprises a bottom frame, a plurality of lifting parts are installed at the top end of the bottom frame, a top frame is fixedly connected between the top ends of the lifting parts, and height adjusting mechanisms are installed between the two sides of the bottom frame and the two sides of the top frame and used for being matched with the lifting parts to vertically move the top frame; a bending piece is placed at the top end of the top frame, a back supporting mechanism is installed between the bending piece and the bottom frame, a leg supporting piece is rotationally connected to one side of the bending piece, a leg supporting mechanism is installed between the leg supporting piece and the bottom frame, and the leg supporting mechanism is used for being matched with the back supporting mechanism to adjust the posture of radiotherapy of a patient. According to the invention, by controlling the pitching adjustment of the upper body and the lower body of the patient in a segmented manner, the radiotherapy of partial pitching body position is realized, and the radiotherapy precision of the treatment point position during the pitching body position treatment is improved; and the comfort of the patient in the lifting radiotherapy state is improved through more stable height adjustment.

The invention relates to a therapeutic bed with pulsed electromagnetic and thermal effects. This bed consists of a cover (1), a flexible core (2) under which is placed an emission network (3) with an electromagnetic induction transmitter of value 0.2 to 25 μT consisting of a resistance cable (7) arranged in equidistant parallel loops arranged at least under a part of the flexible core (2), where the ends of the resistance cable (7) are connected to the pulsed current source, while the emission network (3) with insulating material (4) is fixed to the flexible core (2) by Velcro fasteners (5) while the entire emission network (3) is connected by a cable (7) to the control unit (6). Figure to be published with the abstract: FIGURE 1

The invention provides a boron neutron treatment center with double treatment rooms and an application method, a first treatment space is sequentially provided with a first preposed labyrinth, a first preposed preparation room and a first treatment room, the first preposed preparation room and the first treatment room are connected and provided with a first operation track, and a first treatment bed is movably arranged on the first operation track; a second front labyrinth, a second front preparation chamber and a second treatment chamber are sequentially arranged in the second treatment space, the second front preparation chamber and the second treatment chamber are connected and provided with a second running track, and a second treatment bed is movably arranged on the second running track; an accelerator hall is arranged between the first treatment chamber and the second treatment chamber, a BNCT accelerator is placed in the accelerator hall, a first beam outlet of the BNCT accelerator extends into the first treatment chamber, a first stopper is arranged at the first beam outlet of the first treatment chamber, a second beam outlet of the BNCT accelerator extends into the second treatment chamber, and a second stopper is arranged at the second beam outlet of the second treatment chamber. And a second stopper is arranged at a second beam outlet in the second treatment chamber.

Presently provided are a method and a system for pulse electromagnetic field (PEMF) and decompression therapy. The system has a treatment table or treatment chair configured and disposed to hold a first body part of a patient. A decompression harness is configured and disposed to hold a second body part of the patient, wherein at least one joint of the patient is disposed between the first body part and the second body part. The decompression harness is configured to transfer a tensional force on the at least one joint of the patient and at least one PEMF treatment module is disposed with the decompression harness and proximate the at least one joint of the patient.

The present invention discloses a radiotherapy bed, including a lifting device and a bed board, the lifting device includes a top platform, a plurality of guide rails are fixedly arranged on the top platform, the bed board is slidably connected to the guide rails, a plurality of cavities are provided in the bed board, a braking device is fixedly arranged in each cavity, the braking device includes a fixed plate, a braking slider is slidably arranged on the side of the fixed plate facing the top platform, a brake pad is detachably arranged on the side of the braking slider facing the top platform, a motor bracket is fixedly arranged on any side of the fixed plate, a power device is fixedly arranged on the side of the motor bracket away from the fixed plate, a braking cam is fixedly arranged on the output end of the power device, and the outer edge of the braking cam abuts against the braking slider. The purpose of the present invention is to provide a tumor radiotherapy device bed with a simple structure, a precise braking function, and adaptability to various electrical working conditions.

The invention relates to a control method for a multi-degree-of-freedom mechanical arm radiotherapy bed, and the multi-degree-of-freedom mechanical arm radiotherapy bed reduces the height of an upper bed through an articulated arm structure, achieves the six-dimensional movement through a series-parallel combined structural form, reduces the complexity of a treatment bed system, and reduces the installation difficulty. According to the control method, a safe and effective space is planned by establishing a positive and negative kinematics model of the treatment bed, real-time and accurate positioning control of a patient in a treatment area is achieved, the automation degree of equipment is improved, and differentiated treatment is conducted on different patients.