阅读说明：本技术 用于手术位快速锁定的机架臂及治疗设备 (A frame arm and treatment equipment for operation position quick locking ) 是由 张玉波 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种用于手术位快速锁定的机架臂及治疗设备,该机架臂包括机架主臂、机架旋转基座、机架传动轴、位置检测装置和位置锁定装置；机架主臂的第一端可旋转的连接在机架旋转基座上,机架主臂的第二端与机架传动轴连接；位置检测装置与机架主臂连接,位置锁定装置与机架传动轴连接；当机架主臂旋转到预定角度时,位置检测装置将检测信息反馈给位置锁定装置,以将机架主臂锁定在预定位置。本发明通过位置传感器能准确的检测到磁体所在的位置,进而将机架主臂锁定在该位置,实现了机架主臂在极限手术位的准确锁定。(The invention discloses a frame arm for quickly locking an operation position and treatment equipment, wherein the frame arm comprises a frame main arm, a frame rotating base, a frame transmission shaft, a position detection device and a position locking device; the first end of the main arm of the frame is rotatably connected to the rotating base of the frame, and the second end of the main arm of the frame is connected with the transmission shaft of the frame; the position detection device is connected with the main arm of the frame, and the position locking device is connected with the transmission shaft of the frame; when the main arm of the frame is rotated to a predetermined angle, the position detecting device feeds back detection information to the position locking device to lock the main arm of the frame at a predetermined position. The position sensor can accurately detect the position of the magnet, so that the main arm of the rack is locked at the position, and the accurate locking of the main arm of the rack at the limit operation position is realized.)

1. A frame arm for quickly locking an operation position is characterized by comprising a frame main arm (4), a frame rotating base (5), a frame transmission shaft (6), a position detection device (1) and a position locking device (2);

the first end of the rack main arm (4) is rotatably connected to the rack rotating base (5), and the second end of the rack main arm (4) is connected with the rack transmission shaft (6);

the position detection device (1) is connected with the main arm (4) of the rack, and the position locking device (2) is connected with the transmission shaft (6) of the rack;

when the main arm (4) of the rack rotates to a preset angle, the position detection device (1) feeds back detection information to the position locking device (2) so as to lock the main arm (4) of the rack at the preset position.

2. Machine arm for the quick locking of a surgical site according to claim 1, characterized in that said position detection means comprise a position sensor (101) and a magnet (9); the predetermined angles comprise a first predetermined angle (12) and a second predetermined angle (13), the predetermined positions comprise a first predetermined position (10) and a second predetermined position (11); the gantry rotation base (5) comprises a first predetermined position (10) corresponding to the first predetermined angle (12) and a second predetermined position (11) corresponding to the second predetermined angle (13).

3. Machine arm for the quick locking of an operating position according to claim 2, characterized in that said position sensor (101) is connected to said main frame arm (4) by means of a first mounting hole (14), said first mounting hole (14) being arranged on the axial centreline of said main frame arm (4), said first predetermined position (10) being provided with a second mounting hole (15), said second predetermined position (11) being provided with a third mounting hole (16); the magnet (9) is arranged in the second mounting hole (15) and the third mounting hole (16).

4. Machine arm for the quick locking of operative sites according to claim 3, characterized in that the distance from the first mounting hole (14) to the central axis of the machine arm rotation centre (8), the distance from the second mounting hole (15) to the central axis of the machine arm rotation centre (8) and the distance from the third mounting hole (16) to the central axis of the machine arm rotation centre (8) are all equal.

5. Machine frame arm for the quick locking of a surgical site according to claim 4, characterized in that said position sensor (101) corresponds to a magnet (9) in said second mounting hole (15) when said machine frame main arm (4) is moved to said first predetermined angle (12).

6. Machine frame arm for quick locking of a surgical site according to claim 4, characterized in that the position sensor (101) corresponds to a magnet (9) in the third mounting hole (16) when the machine frame main arm (4) is moved to the second predetermined angle (13).

7. Machine arm for the quick locking of an operating position according to claim 1, characterized in that it further comprises position feedback means (3), said position feedback means (3) being connected to said machine frame transmission shaft (6), said position feedback means (3) being adapted to feed back the position of said machine frame main arm (4) in real time.

8. The frame arm for surgical site quick locking according to claim 7, characterized in that the position feedback device (3) comprises a position feedback driving wheel (301), a position feedback driven wheel (302), a synchronous belt (303) and a potentiometer (304); position feedback action wheel (301) with the first end connection of frame transmission shaft (6), position feedback follow driving wheel (302) pass through hold-in range (303) with position feedback action wheel (301) are connected, potentiometer (304) are connected the below of position feedback follow driving wheel (302).

9. Machine arm for the quick locking of a surgical site according to claim 1, characterized in that said position locking device (2) comprises a brake armature (201) and a brake stator (202); the brake armature (201) is connected with the rack transmission shaft (6), and the brake stator (202) is connected with the lower part of the brake armature (201) in a manner of being opposite to the brake armature (201).

10. Treatment apparatus, characterized in that it comprises a frame arm for the quick locking of a surgical site according to any one of claims 1 to 9.

Technical Field

The invention relates to the field of medical instruments, in particular to a frame arm for quickly locking an operation position and treatment equipment.

Background

In the case where a surgical treatment needs to be performed by an imaging device (an angiographic apparatus, a fluoroscopy apparatus, CT, MR, B-ultrasound, etc.), a doctor needs to accurately adjust the angle of the imaging device according to the treatment position of a patient. For example, in the case of intravascular interventional therapy, a tiny channel with the diameter of several millimeters is made on a blood vessel and the skin or the local part of a focus is treated under the guidance of an imaging device through an original pipeline of a human body under the condition that the focus is exposed without operation, so that the interventional therapy has the advantages of minimal trauma and short recovery period. Whether the treatment device can be accurately positioned plays a crucial role in the surgical treatment process.

In order to ensure that the imaging device can be accurately positioned in the limit operation positions (the positive 90-degree operation position and the negative 90-degree operation position) in the operation treatment, the limit position of the imaging device needs to be calibrated before the operation treatment.

Usually, during calibration, an operator pushes the frame arm to move, the reticle is positioned by visual observation or the frame arm is pushed to the extreme positions respectively, and the extreme surgical positions are locked by mechanical limit arranged at the extreme positions. However, when the position calibration is carried out by adopting a visual method, the positioning deviation is larger due to the interference of the sight angle; when mechanical limiting is adopted for calibration, because the equipment is arranged at the mechanical limiting position, in order to reduce the collision noise of the limiting position, the elastic damping parts are arranged at the limiting position, so that the compression amount generated by the damping parts at each time when the rack arm is pushed to the limiting position is different, certain angle deviation exists between the actual limiting position and the theoretical limiting position of the rack arm, and the image equipment cannot be accurately and quickly locked at the limiting operation position.

Disclosure of Invention

In view of this, the invention provides a frame arm and a treatment device for quickly locking an operation position, which can realize accurate and quick locking in extreme operation positions (a positive 90-degree operation position and a negative 90-degree operation position) in operation treatment.

Specifically, the method comprises the following technical scheme:

in a first aspect, an embodiment of the present invention provides a frame arm for quickly locking a surgical site, including a frame main arm, a frame rotating base, a frame transmission shaft, a position detecting device, and a position locking device;

the first end of the main arm of the rack is rotatably connected to the rotating base of the rack, and the second end of the main arm of the rack is connected with the transmission shaft of the rack;

the position detection device is connected with the main arm of the rack, and the position locking device is connected with the transmission shaft of the rack;

when the main arm of the rack rotates to a preset angle, the position detection device feeds back detection information to the position locking device so as to lock the main arm of the rack at the preset position.

Optionally, the position detection device comprises a position sensor and a magnet; the predetermined angles include a first predetermined angle and a second predetermined angle, and the predetermined positions include a first predetermined position and a second predetermined position; the gantry swivel base includes a first predetermined position corresponding to the first predetermined angle and a second predetermined position corresponding to the second predetermined angle.

Optionally, the position sensor is connected to the main arm of the rack through a first mounting hole, the first mounting hole is arranged on an axial center line of the main arm of the rack, the first predetermined position is provided with a second mounting hole, and the second predetermined position is provided with a third mounting hole; the magnets are arranged in the second mounting hole and the third mounting hole.

Optionally, a distance from the first mounting hole to a central axis of a rotation center of the frame arm, a distance from the second mounting hole to a central axis of a rotation center of the frame arm, and a distance from the third mounting hole to a central axis of a rotation center of the frame arm are all equal.

Optionally, the position sensor corresponds to a magnet in the second mounting hole when the gantry main arm is moved to the first predetermined angle.

Optionally, the position sensor corresponds to a magnet in the third mounting hole when the gantry main arm moves to the second predetermined angle.

Optionally, the rack arm for quickly locking the surgical site further includes a position feedback device, the position feedback device is connected to the rack transmission shaft, and the position feedback device is configured to feed back the position of the rack main arm in real time.

Optionally, the position feedback device comprises a position feedback driving wheel, a position feedback driven wheel, a synchronous belt and a potentiometer; the position feedback driving wheel is connected with the first end of the rack transmission shaft, the position feedback driven wheel is connected with the position feedback driving wheel through a synchronous belt, and the potentiometer is connected below the position feedback driven wheel.

Optionally, the position locking device comprises a brake armature and a brake stator; the brake armature is connected with the transmission shaft of the frame, and the brake stator is connected with the lower part of the brake armature opposite to the brake armature.

In a second aspect, embodiments of the present invention provide a treatment apparatus including a frame arm for surgical site quick locking as described above.

The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:

the invention arranges the position sensor on the main arm of the frame, the position locking device on the transmission shaft of the frame, and the magnet on the rotating base of the frame. On the frame rotating base, the magnets are symmetrically distributed on two sides of the rotating center of the frame arm along the rotating axis passing through the rotating center of the frame arm, the position sensor can accurately detect the position of the magnets, and accurate locking of the limit operation position in the treatment operation process is realized through the position locking device.

In the invention, a first mounting hole is finely processed on a main arm of a frame, and a second mounting hole and a third mounting hole are finely processed on a rotating base of the frame. The position sensor is arranged in the first mounting hole, and the magnets are arranged in the second mounting hole and the third mounting hole, so that the accuracy of the relative position of the position sensor and the magnets is ensured when the main arm of the rack is pushed to the position of the second mounting hole or the position of the third mounting hole.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a front view of a frame arm for quick locking of an operating site according to an embodiment of the invention.

Fig. 2 is a top view of the frame arm of fig. 1 for quick locking of the surgical site.

FIG. 3 is a cross-sectional view at A-A of the frame arm of FIG. 2 for quick locking of a surgical site.

Fig. 4 is an enlarged view of the position detecting device in fig. 1.

Fig. 5 is an enlarged view of the position feedback device and the position locking device of fig. 1.

Fig. 6 is a schematic view of effective rotation angles of a frame arm for quick locking of an operation site according to an embodiment of the present invention.

The reference numerals in the figures are denoted respectively by:

1-position detection means; 101-a position sensor; 2-position feedback means; 201-brake armature; 202-a brake stator; 3-position feedback means; 301-position feedback capstan; 302-position feedback driven wheel; 303-synchronous belt; 304-a potentiometer; 4-a main arm of the frame; 5-a frame rotating base; 6-a rack transmission shaft; 601-a transmission wheel; 7-a transmission chain; 8-center of rotation of the gantry arm; 9-a magnet; 10-a first predetermined position; 11-a second predetermined position; 12-a first predetermined angle; 13-a second predetermined angle; 14-a first mounting hole; 15-a second mounting hole; 16-third mounting hole.

With the above figures, certain embodiments of the invention have been illustrated and described in more detail below. The drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it by those skilled in the art with reference to specific embodiments.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.

Unless otherwise defined, technical or scientific terms used herein shall have the meaning understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

To facilitate an understanding of the invention, the general structure of a frame arm for quick locking of a surgical site and its application are exemplarily described herein.

As shown in fig. 1 to 4, the frame arm for quick locking of a surgical site according to an embodiment of the present invention includes a frame main arm 4, a frame rotating base 5, a frame transmission shaft 6, a position detecting device 1 and a position locking device 2;

the first end of the main arm 4 of the frame is rotatably connected to the rotating base 5 of the frame, and the second end of the main arm 4 of the frame is connected with the transmission shaft 6 of the frame;

the position detection device 1 is connected with the main arm 4 of the frame, and the position locking device 2 is connected with the transmission shaft 6 of the frame;

when the main arm 4 of the gantry rotates to a predetermined angle, the position detecting device 1 feeds back detection information to the position locking device 2 to lock the main arm 4 of the gantry at a predetermined position.

The invention arranges the position sensor 101 on the main arm 4 of the frame, the position locking device 2 on the transmission shaft 6 of the frame, and the magnet 9 on the rotating base 5 of the frame. On the frame rotating base 5, the magnets 9 are symmetrically distributed on two sides of the frame arm rotating center 8 along the rotating axis passing through the frame arm rotating center 8, the position sensor 101 can accurately detect the position of the magnet 9, and the accurate locking of the limit operation position in the treatment operation process is realized through the position locking device 2.

As shown in fig. 2, the position detection means includes a position sensor 101 and a magnet 9; the predetermined angles include a first predetermined angle 12 and a second predetermined angle 13, and the predetermined positions include a first predetermined position 10 and a second predetermined position 11; the gantry rotation base 5 comprises a first predetermined position 10 corresponding to a first predetermined angle 12 and a second predetermined position 11 corresponding to a second predetermined angle 13.

As shown in fig. 1, 3 and 4, the position sensor 101 is connected to the rack main arm 4 through a first mounting hole 14, the first mounting hole 14 is arranged on the axial center line of the rack main arm 4, the first predetermined position 10 is provided with a second mounting hole 15, and the second predetermined position 11 is provided with a third mounting hole 16; the second mounting hole 15 and the third mounting hole 16 are distributed on the frame rotating base 5 around the rotating center 8 of the main arm of the frame; the second mounting hole 15 and the third mounting hole 16 are internally provided with magnets 9.

As shown in fig. 2, the distance from the first mounting hole 14 to the central axis of the rotation center 8, the distance from the second mounting hole 15 to the central axis of the rotation center 8, and the distance from the third mounting hole 16 to the central axis of the rotation center 8 are all equal.

When the gantry main arm 4 moves to the first predetermined angle 12, the position sensor 101 corresponds to the magnet 9 in the second mounting hole 15.

When the gantry main arm 4 moves to the second predetermined angle 13, the position sensor 101 corresponds to the magnet 9 in the third mounting hole 16.

As shown in fig. 1 and 5, the frame arm for quickly locking the surgical site further comprises a position feedback device 3, the position feedback device 3 is connected with a frame transmission shaft 6, and the position feedback device 3 is used for feeding back the position of the frame main arm 4 in real time.

The position feedback device 3 comprises a position feedback driving wheel 301, a position feedback driven wheel 302, a synchronous belt 303 and a potentiometer 304; the position feedback driving wheel 301 is connected with a first end part of the frame transmission shaft 6, the position feedback driven wheel 302 is connected with the position feedback driving wheel 301 through a synchronous belt 303, and the potentiometer 304 is connected below the position feedback driven wheel 302.

The position locking device 2 comprises a brake armature 201 and a brake stator 202, wherein the brake armature 201 is connected with the transmission shaft 6 of the frame, and the brake stator 202 is connected with the lower part of the brake armature 201 opposite to the brake armature 201.

The mechanical principle of the frame arm moving and positioning process for quick locking of the surgical site in the present embodiment is shown in fig. 1 and 2, wherein a first end of the frame main arm 4 is rotatably connected to the center of the frame rotating base 5, the frame transmission shaft 6 passes through the axial center line of the second end of the frame main arm 4 to be connected to the frame main arm 4, a first end of the transmission chain 7 is connected to the transmission wheel 601 at the lower end of the frame transmission shaft 6, and a second end of the transmission chain 7 is connected to the frame rotating base 5. When the main arm 4 of the rack rotates, the main arm 4 of the rack drives the transmission chain 7 to start moving, and the transmission chain 7 further drives the transmission shaft 6 of the rack to start rotating. When the main arm 4 of the rack moves to a predetermined position, the transmission shaft 6 of the rack can lock the transmission chain 7, and thus the main arm 4 of the rack.

Therefore, in order to accurately position and lock the gantry main arm 4 at a predetermined position, it is necessary to provide a position sensor 101 on the gantry main arm 4 and set the magnet 9 on the gantry rotation base 5. The position for installing the magnet 9 is determined according to the treatment position of a patient in the surgical treatment process, and the position locking device 2 is matched and installed on the transmission shaft 6 of the frame to lock the transmission chain 7 and further lock the position of the main arm 4 of the frame.

In the embodiment of the present invention, in order to lock the main arm 4 of the rack when the main arm 4 of the rack is rotated to the first predetermined position 10 along the first predetermined angle 12 or lock the main arm 4 of the rack when the main arm 4 of the rack is rotated to the second predetermined position along the second predetermined angle 11, the locking of the extreme surgical position of the present invention can be realized, and therefore, one magnet 9 is provided at each of the first predetermined position 10 and the second predetermined position 11.

To ensure that the position sensor 101 corresponds to the magnet 9 in the second mounting hole 15 when the gantry main arm 4 is moved to the first predetermined angle 12; when the gantry main arm 4 moves to the second predetermined angle 13, the position sensor 101 corresponds to the magnet 9 in the third mounting hole 16. A first mounting hole 14 processed through a finish machining process is formed in the main arm 4 of the rack, the position sensor 101 is connected to the inside of the first mounting hole 14, and a second mounting hole 15 and a third mounting hole 16 are distributed on the rotating base 5 of the rack around the rotating center 8 of the main arm of the rack; the second mounting hole 15 and the third mounting hole 16 are internally provided with magnets 9.

As shown in fig. 2, in order to ensure accurate locking of the main arm 4 at the extreme position, the first mounting hole 14 is provided on the axial center line of the main arm 4 and the distance from the center axis of the rotation center 8 of the frame arm is equal to both the distance from the second mounting hole 15 to the center axis of the rotation center 8 of the frame arm and the distance from the third mounting hole 16 to the center axis of the rotation center 8 of the frame arm.

To effect rotation of the gantry main arm 4 to the first predetermined position 10, the gantry main arm 4 can be locked. The position locking device 2 is connected to the rack transmission shaft 6, the position locking device 2 comprises a brake armature 201 and a brake stator 202, the inner diameter of the brake armature 201 is connected with the outer diameter of the rack transmission shaft 6, the brake stator 202 is connected to the lower portion of the brake armature 201 opposite to the brake armature 201, when the position of the rack main arm 4 needs to be locked, the brake armature 201 and the brake stator 202 are attracted, the transmission chain 7 is locked, and the rack main arm 4 is driven to stop rotating.

In order to feed back the position of the main arm 4 of the rack in real time, a position feedback device 3 is arranged on a rack transmission shaft 6, and the position feedback device 3 comprises a position feedback driving wheel 301, a position feedback driven wheel 302, a synchronous belt 303 and a potentiometer 304; the position feedback driving wheel 301 is connected with a first end part of the frame transmission shaft 6, the position feedback driven wheel 302 is connected with the position feedback driving wheel 301 through a synchronous belt 303, and the potentiometer 304 is connected below the position feedback driven wheel 302. When the main arm 4 of the rack moves from the first preset position 10 to the second preset position 11, the potentiometer 304 can feed back different resistance values to the position feedback device 3 through different rotation turns, so that the real-time position monitoring of the main arm 4 of the rack is realized.

Before the frame arm for the quick locking of the operation position is used for locking a special operation position, the frame arm for the quick locking of the operation position needs to be subjected to position calibration, and the process is as follows.

Firstly, the main arm 4 of the frame is pushed to rotate along a first preset angle 12 to a first preset position 10, and then a position sensor 101 arranged on the main arm 4 of the frame can detect the magnetic flux generated by the magnet 9 at different positions below, and outputs different voltage values to the controller in the position sensor 101 to feed back the detected changes of different magnetic fluxes, when the voltage reaches a peak value, indicating that the main arm 4 of the gantry has been pivoted to the first predetermined position 10, the control program in the position sensor 101 registers the position at that time, and at the same time, the brake armature 201 in the position locking device 2 moves to the brake stator 202 along the transmission shaft 6 of the frame until the brake armature is sucked, so that the transmission shaft 6 of the frame cannot move, further the transmission chain 7 is locked, the above process completes the position calibration of the first predetermined position 10 and the calibration of the first limit operation position.

When the main arm of the gantry is pushed backward again to rotate along the second preset angle 13 to the second preset position 11, the position sensor 101 arranged on the main arm 4 of the frame can also detect the magnetic flux generated by the magnet 9 at different positions below, and outputs different voltage values to the controller in the position sensor 101 to feed back the detected changes of different magnetic fluxes, and, likewise, when the voltage reaches a peak value, indicating that the main arm 4 of the gantry has been pivoted to the second predetermined position 11, the control program in the position sensor 101 registers the position at that time, and at the same time, the brake armature 201 in the position locking device 2 moves to the brake stator 202 along the transmission shaft 6 of the frame until the brake armature is sucked, so that the transmission shaft 6 of the frame cannot move, further the transmission chain 7 is locked, the above process completes the position calibration of the second predetermined position 11 and the calibration of the second limit operation position.

As shown in fig. 5, in the process of calibrating a special surgical site, the position feedback driving wheel 301 of the position feedback device 3 is connected to the frame transmission shaft 6, the position feedback driven wheel 302 is connected to the position feedback driven wheel 302 through the synchronous belt 303, and the potentiometer 303 is connected to the lower surface of the position feedback driven wheel 302, so that the number of rotation turns of the potentiometer 303 can record the angle change of the whole pushing process of the frame main arm 4, and the function of feeding back the position of the frame main arm 4 in real time can be achieved.

By the position calibration method, the position sensor records the input-output conversion relation between the first preset position 10 and the second preset position 11 and the position locking device 3, so that the main arm 4 of the rack can be accurately locked at the calibrated first preset position 10 and the calibrated second preset position 11.

In some embodiments of the present application, the position of the setting magnet 9 can be correspondingly set within the range of the effective rotation angle according to the actual position specification of the frame arm for the quick locking of the surgical site, and as shown in fig. 6, the magnet 9 can be set at any angle between plus 135 degrees and minus 135 degrees along the rotation center 8 of the frame arm of the frame rotating base 4. For example, to realize the quick positioning of the rack arm for quick locking of the operation position at the special operation position of plus 60 degrees and minus 60 degrees, two magnets 9 are symmetrically arranged at two sides of the rotation center 8 of the rack arm of the rack rotating base 4, the angle between the two magnets 9 is 120 degrees, a position sensor 101 is arranged on the rack main arm 4, as shown in fig. 4, when the position sensor 101 on the rack main arm 4 detects the position of the magnet 9, the position sensor 101 and the center of the magnet 9 are ensured to be coincident in the vertical direction and are ensured to be at a certain distance with each other, and the ideal distance is 3 cm. When the distance between the position sensor 101 and the magnet 9 is too far, the detection sensitivity is lowered, and when the distance is too close, the detected information is inaccurate.

The embodiment of the invention provides a treatment device, which comprises the frame arm for the quick locking of the operation position according to the embodiment, and the frame arm for the quick locking of the operation position according to the embodiment of the invention has the technical effects, so the treatment device according to the embodiment of the invention also has the corresponding technical effects, namely comprises a frame main arm 4, a frame rotating base 5, a frame transmission shaft 6, a position detection device 1 and a position locking device 2; the first end of the main arm 4 of the frame is rotatably connected to the rotating base 5 of the frame, and the second end of the main arm 4 of the frame is connected with the transmission shaft 6 of the frame; the position detection device 1 is connected with the main arm 4 of the frame, and the position locking device 2 is connected with the transmission shaft 6 of the frame.

When the main arm 4 of the gantry rotates to a predetermined angle, the position detecting device 1 feeds back detection information to the position locking device 2 to lock the main arm 4 of the gantry at a predetermined position. The construction and operation of a treatment apparatus according to an embodiment of the present invention will be understood and readily accomplished by those skilled in the art, and thus will not be described in detail.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.

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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.