An arm position fixing device for cardiovascular and cerebrovascular intervention surgery

Abstract

The application belongs to the technical field of surgical fixation, and particularly relates to an arm position fixing device for cardiovascular and cerebrovascular interventional surgery, which comprises a wrist rotating support mechanism, a rotating sensing mechanism and a lifting type arm supporting mechanism, the wrist rotating support mechanism is arranged on the lifting type arm supporting mechanism, and the rotating sensing mechanism is arranged on the wrist rotating support mechanism; the wrist rotating support mechanism comprises a rotating limiting assembly and a rotating positioning retaining assembly, the rotating limiting assembly is arranged on the lifting type arm supporting mechanism, and the rotating positioning retaining assembly is fixedly connected to the rotating limiting assembly. The wrist rotating support mechanism and the lifting type arm supporting mechanism are linked through the wrist rotating sensing assembly, and in the case that no electric drive and electric control module are arranged, only through the ingenious mechanical structure, the technical effect that the arm supporting plate is automatically controlled to ascend and descend when the wrist rotates can be realized.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of surgical fixation, and particularly relates to an arm position fixing device for cardiovascular intervention surgery. BACKGROUND

[0002] In the operation process of cardiovascular intervention surgery, a micro operation instrument is generally inserted into a target position through a radial artery and the like to perform surgical operation, so that the purpose of minimally invasive surgery is achieved; during the operation process, the palm needs to be in a palm flexion and back extension posture, and sometimes the palm needs to be in an inward folding state and sometimes needs to be in an outward turning state.

[0003] However, the duration of the operation is long, and the patient is difficult to maintain in a position for too long by himself, and for some patients after anesthesia, it is more likely to unconsciously move during the operation.

[0004] In order to solve this problem, the application provides a modular arm and wrist fixing device which can be installed on a general operating bed. SUMMARY

[0005] In view of the above problems, in order to overcome the defects of the prior art, the application provides an arm position fixing device for cardiovascular intervention surgery, since the palm needs to be in a palm flexion and back extension posture during the operation, if the center of the forearm is taken as an axis, the palm is located on one side of the axis at this time; therefore, when the palm is inward folded, the forearm and the palm need to be moved downward as a whole as much as possible to obtain a comfortable posture; and when the palm is outward turned, since the palm itself and the structure for fixing the palm need to occupy a certain space, the arm as a whole needs to be raised by a certain amplitude.

[0006] In order to achieve the above effects, the application provides an arm position fixing device for cardiovascular intervention surgery, which can fix the arm and the palm, and when the palm is kept in a palm flexion and back extension posture, the palm can also be rotated and the inward folding and outward turning positions can be switched; furthermore, the wrist rotation sensing assembly is used to link the wrist rotation supporting mechanism and the lifting type arm supporting mechanism, without setting any electric drive and electric control module, only through the ingenious mechanical structure, the technical effect of automatically controlling the lifting of the arm supporting plate when the wrist is rotated can be achieved.

[0007] The technical scheme adopted by the present application is as follows: the present application provides an arm position fixing device for cardiovascular and cerebrovascular intervention surgery, comprising a wrist rotation supporting mechanism, a rotation sensing mechanism and a lifting type arm supporting mechanism, the wrist rotation supporting mechanism is arranged on the lifting type arm supporting mechanism, and the rotation sensing mechanism is arranged on the wrist rotation supporting mechanism; the wrist rotation supporting mechanism comprises a rotation limiting component and a rotation positioning retaining component, the rotation limiting component is arranged on the lifting type arm supporting mechanism, and the rotation positioning retaining component is fixedly connected to the rotation limiting component.

[0008] Further, the rotation limiting component comprises a wrist rotation base, a wrist rotation frame one, a wrist rotation frame two and a wrist lining, the wrist rotation base is arranged on the lifting type arm supporting mechanism, the wrist rotation frame two is detachably arranged on the wrist rotation frame one, the wrist rotation frame two and the wrist rotation frame one form a complete ring, the wrist rotation frame one and the wrist rotation frame two are rotationally arranged in the wrist rotation base, and the wrist lining is fixedly connected to the inside of the wrist rotation frame one and the wrist rotation frame two.

[0009] As a preferred, the rotation positioning retaining component comprises a fixed stopper and a rotation stopper, the fixed stopper is fixedly connected to the wrist rotation base, the rotation stopper is symmetrically arranged on the wrist rotation frame one and the wrist rotation frame two, and the fixed stopper and the rotation stopper can be elastically deformed when being pressed against each other.

[0010] Through the split type wrist rotation frame one and the wrist rotation frame two, the wrist rotation frame one and the wrist rotation frame two can be integrally rotated under the limiting of the wrist rotation base in the case of facilitating palm access, so as to limit and guide the rotation of the wrist; through the elastic deformation between the fixed stopper and the rotation stopper, the wrist rotation frame one and the wrist rotation frame two can be fixed to a certain extent after being rotated to two specific positions, so as to facilitate the operation of the doctor.

[0011] Further, the rotation sensing mechanism comprises a rotation actuating mechanism, a palm dorsiflexion fixing component and a wrist rotation sensing component, the rotation actuating mechanism is fixedly connected to the rotation limiting component, the wrist rotation supporting mechanism is arranged on the rotation actuating mechanism, and the wrist rotation sensing component is fixedly connected to the rotation limiting component.

[0012] Through the rotation of the rotation sensing mechanism, on the one hand, the wrist can be allowed to rotate, and on the other hand, the arm and the wrist can be automatically lifted as a whole while being rotated outward, so as to leave enough space for the palm in palm flexion and dorsiflexion and the mechanical structure of the rotation sensing mechanism itself.

[0013] As preferred, the rotating and pushing mechanism comprises a dorsiflexion support, a dorsiflexion base and a fixing band, the dorsiflexion support is fixed to the side of the second wrist rotating frame, the dorsiflexion base is fixed to the dorsiflexion support, symmetrically provided with side windows on the dorsiflexion base, and the fixing band passes through the side windows.

[0014] As further preferred, the palm dorsiflexion fixing assembly comprises a rotating support and a rotating shaft, the rotating support is fixed to the dorsiflexion base, one group of the rotating support is internally provided with an internal ratchet part, the rotating shaft is rotatably arranged in the rotating support, the rotating shaft is further provided with an external ratchet part matched with the handle part, the rotating shaft is slidably arranged in the rotating support, and the end of the rotating shaft is further provided with the handle part.

[0015] By rotating the rotating shaft, the palm of the patient can be fixed in the posture of flexion and dorsiflexion, and the patient can be prevented from unconsciously deviating during the operation.

[0016] As further preferred, the wrist rotating sensing assembly comprises a sensing box, a transverse sliding plate, a sliding plate reset spring and a multi-section hollow telescopic rod, the sensing box is fixed to the wrist rotating base, the transverse sliding plate is slidingly arranged in the sensing box, the sliding plate reset spring is arranged between one side of the transverse sliding plate and the sensing box, and the multi-section hollow telescopic rod is arranged between the other side of the transverse sliding plate and the sensing box.

[0017] By rotating the dorsiflexion support, the transverse sliding plate can be pushed, so as to control the liquid flow direction between the multi-section hollow telescopic rod and the lifting control push rod, thereby automatically lowering the overall height when the palm is buckled, improving the comfort of the patient, and automatically raising the arm height when the palm is turned outward, thereby leaving enough space for the flexion and dorsiflexion palm and the mechanical structure of the rotating sensing mechanism itself.

[0018] Further, the lifting arm supporting mechanism comprises an arm supporting assembly, an arm lifting execution assembly and an arm lifting control assembly, the arm supporting assembly comprises a lifting limiting base, an arm supporting plate and an arm band, the arm supporting plate and the wrist rotating base are fixed, the arm supporting plate and the wrist rotating base are slidingly arranged in the lifting limiting base, and the arm band is arranged on the arm supporting plate.

[0019] As preferred, the arm lifting execution assembly comprises a fixed inclined block and a sliding inclined block, the fixed inclined block is fixed to the arm supporting plate, the sliding inclined block is slidingly arranged between the fixed inclined block and the lifting limiting base, and the inclined surfaces of the fixed inclined block and the sliding inclined block slidingly contact.

[0020] As a further preferred embodiment of the present application, the arm lifting control assembly comprises a lifting reset spring and a lifting control push rod, the lifting reset spring is arranged between the lifting limiting base and the arm supporting plate, the fixed end of the lifting control push rod is arranged on the lifting limiting base, and the telescopic end of the lifting control push rod is arranged on the sliding inclined block.

[0021] As a further preferred embodiment of the present application, the multi-section hollow telescopic rod and the lifting control push rod are connected through a conduit, and liquid exchange can be performed between the multi-section hollow telescopic rod and the lifting control push rod.

[0022] The application has the following beneficial effects by adopting the above structure:

[0023] (1) By rotating the rotation sensing mechanism, on the one hand, the wrist can be rotated, and on the other hand, the arm and the wrist can be automatically lifted as a whole while being rotated outward, so as to leave sufficient space for the palm in the palm flexion and extension and the mechanical structure of the rotation sensing mechanism itself.

[0024] (2) By means of the split wrist rotating frame 1 and the wrist rotating frame 2, the wrist rotating frame 1 and the wrist rotating frame 2 can be rotated as a whole by limiting the wrist rotating base, so as to limit and guide the rotation of the wrist; by means of the elastic deformation between the fixed stop block and the rotating stop block, the wrist rotating frame 1 and the wrist rotating frame 2 can be fixed to a certain extent after being rotated to two specific positions, so as to facilitate the operation of the doctor.

[0025] (3) By rotating the rotating shaft, the palm of the patient can be fixed in the palm flexion and extension posture, so as to avoid the patient from deviating unintentionally during the operation.

[0026] (4) By rotating the extension support, the horizontal sliding plate can be pushed, so as to control the liquid flow direction between the multi-section hollow telescopic rod and the lifting control push rod, and then the overall height is automatically lowered when the palm is flexed, the comfort of the patient is improved, and the arm height is automatically raised when the palm is extended, so as to leave sufficient space for the palm in the palm flexion and extension and the mechanical structure of the rotation sensing mechanism itself. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a perspective view of an arm position fixing device for cardiovascular and cerebrovascular interventional surgery according to the present application;

[0028] Figure 2 FIG. 1 is a perspective view of an arm position fixing device for cardiovascular and cerebrovascular interventional surgery according to the present application;

[0029] Figure 3A left view of an arm position fixing device for cardiovascular and cerebrovascular intervention surgery according to the present application;

[0030] Figure 4 A top view of an arm position fixing device for cardiovascular and cerebrovascular intervention surgery according to the present application;

[0031] Figure 5 A Figure 2 A sectional view along the cutting line A-A in the middle;

[0032] Figure 6 A Figure 3 A sectional view along the cutting line B-B in the middle;

[0033] Figure 7 A Figure 1 A close-up view of position I in the middle;

[0034] Figure 8 A close-up view of position II in the middle; Figure 1

[0035] A close-up view of position III in the middle. Figure 9 Figure 5

[0036] 1, wrist rotation support mechanism, 2, rotation sensing mechanism, 3, lifting arm support mechanism, 4, rotation limiting assembly, 5, rotation positioning and retaining assembly, 6, wrist rotation base, 7, wrist rotation frame one, 8, wrist rotation frame two, 9, fixed stop block, 10, rotation stop block, 11, rotation knob mechanism, 12, palm dorsiflexion fixing assembly, 13, wrist rotation sensing assembly, 14, dorsiflexion support, 15, dorsiflexion base, 16, fixed bandage, 17, rotation support, 18, rotation shaft, 19, sensing box, 20, transverse sliding plate, 21, sliding plate return spring, 22, multi-section hollow telescopic rod, 23, side window, 24, inner ratchet portion, 25, handle portion, 26, outer ratchet portion, 27, arm support assembly, 28, arm lifting execution assembly, 29, arm lifting control assembly, 30, lifting limiting base, 31, arm support plate, 32, arm bandage, 33, fixed inclined block, 34, sliding inclined block, 35, lifting return spring, 36, lifting control push rod, 37, wrist inner liner.

[0037] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of this specification, illustrate embodiments of the present application, and are used to explain the present application, but do not constitute a limitation of the present application. DETAILED DESCRIPTION

[0038] ​​The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0039] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0040] As shown in Figures 1-9 The present application provides an arm position fixing device for cardiovascular and cerebrovascular interventional surgery, which comprises a wrist rotating support mechanism 1, a rotating sensing mechanism 2 and a lifting arm supporting mechanism 3. The wrist rotating support mechanism 1 is arranged on the lifting arm supporting mechanism 3, and the rotating sensing mechanism 2 is arranged on the wrist rotating support mechanism 1. The wrist rotating support mechanism 1 comprises a rotating limiting assembly 4 and a rotating positioning retaining assembly 5. The rotating limiting assembly 4 is arranged on the lifting arm supporting mechanism 3, and the rotating positioning retaining assembly 5 is fixedly connected to the rotating limiting assembly 4.

[0041] The lifting arm supporting mechanism 3 comprises an arm supporting assembly 27, an arm lifting execution assembly 28 and an arm lifting control assembly 29. The arm supporting assembly 27 comprises a lifting limiting base 30, an arm supporting plate 31 and an arm binding belt 32. The arm supporting plate 31 and the wrist rotating base 6 are fixedly connected, and the arm supporting plate 31 and the wrist rotating base 6 are slidingly arranged in the lifting limiting base 30. The arm binding belt 32 is arranged on the arm supporting plate 31. The arm lifting execution assembly 28 is arranged between the lifting limiting base 30 and the arm supporting plate 31. The arm lifting control assembly 29 is arranged between the lifting limiting base 30 and the arm supporting plate 31.

[0042] The arm lifting execution assembly 28 comprises a fixed inclined block 33 and a sliding inclined block 34. The fixed inclined block 33 is fixedly connected to the arm supporting plate 31, and the sliding inclined block 34 is slidingly arranged between the fixed inclined block 33 and the lifting limiting base 30. The inclined surfaces of the fixed inclined block 33 and the sliding inclined block 34 are in sliding contact.

[0043] The arm lifting control assembly 29 comprises a lifting reset spring 35 and a lifting control push rod 36, the lifting reset spring 35 is arranged between the lifting limiting base 30 and the arm supporting plate 31, and the fixed end of the lifting control push rod 36 is arranged on the lifting limiting base 30, and the telescopic end of the lifting control push rod 36 is arranged on the sliding inclined block 34.

[0044] The multi-section hollow telescopic rod 22 and the lifting control push rod 36 are connected through a conduit, and liquid exchange can be carried out between the multi-section hollow telescopic rod 22 and the lifting control push rod 36.

[0045] The rotation limiting assembly 4 comprises a wrist rotation base 6, a wrist rotation frame one 7, a wrist rotation frame two 8 and a wrist lining 37, the wrist rotation base 6 is arranged on the lifting arm supporting mechanism 3, the wrist rotation frame two 8 is detachably arranged on the wrist rotation frame one 7, the wrist rotation frame two 8 and the wrist rotation frame one 7 form a complete ring, the wrist rotation frame one 7 and the wrist rotation frame two 8 are rotatably arranged in the wrist rotation base 6, and the wrist lining 37 is fixedly connected to the inside of the wrist rotation frame one 7 and the wrist rotation frame two 8.

[0046] The rotation limiting assembly 4 comprises a wrist rotation base 6, a wrist rotation frame one 7, a wrist rotation frame two 8 and a wrist lining 37, the wrist rotation base 6 is arranged on the lifting arm supporting mechanism 3, the wrist rotation frame two 8 is detachably arranged on the wrist rotation frame one 7, the wrist rotation frame two 8 and the wrist rotation frame one 7 form a complete ring, the wrist rotation frame one 7 and the wrist rotation frame two 8 are rotatably arranged in the wrist rotation base 6, and the wrist lining 37 is fixedly connected to the inside of the wrist rotation frame one 7 and the wrist rotation frame two 8.

[0047] Through the split wrist rotation frame one 7 and the wrist rotation frame two 8, the palm can be conveniently entered, and the wrist rotation frame one 7 and the wrist rotation frame two 8 can be integrally rotated through the limiting of the wrist rotation base 6, so as to limit and guide the rotation of the wrist; through the elastic deformation between the fixed block 9 and the rotating block 10, the wrist rotation frame one 7 and the wrist rotation frame two 8 can be fixed to a certain extent after being rotated to two specific positions, so as to facilitate the operation of the doctor.

[0048] The rotation sensing mechanism 2 comprises a rotation driving mechanism 11, a palm dorsiflexion fixing assembly 12 and a wrist rotation sensing assembly 13, the rotation driving mechanism 11 is fixedly connected to the rotation limiting assembly 4, the wrist rotation supporting mechanism 1 is arranged on the rotation driving mechanism 11, and the wrist rotation sensing assembly 13 is fixedly connected to the rotation limiting assembly 4.

[0049] Through the rotation of the rotation sensing mechanism 2, on the one hand, the wrist can be rotated, and on the other hand, the arm and the wrist can be automatically lifted as a whole while being rotated outward, so as to leave enough space for the palm in dorsiflexion and the mechanical structure of the rotation sensing mechanism 2 itself.

[0050] The rotating knob mechanism 11 comprises a dorsiflexion support 14, a dorsiflexion base 15 and a fixing band 16, the dorsiflexion support 14 is fixed to the side of the wrist rotating frame two 8, the dorsiflexion base 15 is fixed to the dorsiflexion support 14, the dorsiflexion base 15 is symmetrically provided with a side window 23, and the fixing band 16 passes through the side window 23.

[0051] The palm dorsiflexion fixing assembly 12 comprises a rotating support 17 and a rotating shaft 18, the rotating support 17 is fixed to the dorsiflexion base 15, one group of the rotating support 17 is internally provided with an internal ratchet part 24, the rotating shaft 18 is rotatably arranged in the rotating support 17, the rotating shaft 18 is further provided with an external ratchet part 26 matched with a handle part 25, the rotating shaft 18 can slide in the rotating support 17, and the end of the rotating shaft 18 is further provided with the handle part 25.

[0052] By rotating the rotating shaft 18, the palm of the patient can be fixed in the posture of flexion and dorsiflexion, and the patient can be prevented from unconsciously deviating during the operation.

[0053] The wrist rotating sensing assembly 13 comprises a sensing box 19, a transverse sliding plate 20, a sliding plate reset spring 21 and a multi-section hollow telescopic rod 22, the sensing box 19 is fixed to the wrist rotating base 6, the transverse sliding plate 20 is clamped and slidably arranged in the sensing box 19, the sliding plate reset spring 21 is arranged between one side of the transverse sliding plate 20 and the sensing box 19, and the multi-section hollow telescopic rod 22 is arranged between the other side of the transverse sliding plate 20 and the sensing box 19.

[0054] By rotating the dorsiflexion support 14, the transverse sliding plate 20 can be actuated, so as to control the liquid flow direction between the multi-section hollow telescopic rod 22 and the lifting control push rod 36, thereby automatically lowering the overall height when the palm is in the palm-in condition, improving the comfort of the patient, and automatically raising the arm height when the palm is in the palm-out condition, so as to leave enough space for the flexion and dorsiflexion palm and the mechanical structure of the rotating sensing mechanism 2 itself.

[0055] Embodiment one: first, the user needs to open the wrist rotating frame two 8, place the wrist of the patient between the wrist rotating frame one 7 and the wrist rotating frame two 8, then install the wrist rotating frame two 8, and then fix the upper arm or the lower arm of the patient through the arm fixing band 32;

[0056] Then, in the palm-in condition, the palm is inserted between the dorsiflexion base 15 and the fixing band 16, and then the fixing band 16 is tightened by rotating the rotating shaft 18, so as to complete the palm fixation;

[0057] Due to the cooperation of the internal ratchet part 24 and the external ratchet part 26, when the rotating shaft 18 rotates, the fixing band 16 can be tightened, but after the rotation is stopped, the fixing band 16 will not be automatically released;

[0058] When the user wants to release the fixing band 16, he / she only needs to pull the rotating shaft 18 out of the rotating support 17 to a certain extent, and then the fixing band 16 can be loosened.

[0059] In the second embodiment, when the user needs to change the palm from the inward buckling state to the outward buckling state, the user only needs to rotate the wrist rotating frame one 7 and the wrist rotating frame two 8 by himself / herself or with the help of others.

[0060] When rotating, the rotating block 10 between the fixing blocks 9 will be separated from the fixing blocks 9 by elastic deformation, and then it will be temporarily stopped at the position when the next rotating block 10 enters the space between the fixing blocks 9.

[0061] During the rotation of the dorsiflexion support 14, the horizontal sliding plate 20 is pushed to slide, and in this process, on the one hand, the sliding plate reset spring 21 is stretched, and on the other hand, the liquid in the multi-section hollow telescopic rod 22 is transferred to the lifting control push rod 36 through the conduit, so that the lifting control push rod 36 is elongated.

[0062] The elongated lifting control push rod 36 pushes the sliding inclined block 34, and makes the arm support plate 31 and the wrist rotating base 6 as a whole rise along the lifting limiting base 30, so as to leave enough space for the palm in the palm flexion and dorsiflexion state and the mechanical structure of the rotating sensing mechanism 2.

[0063] When the palm is reversed to the inward buckling state, the liquid in the lifting control push rod 36 also flows back to the multi-section hollow telescopic rod 22, and the sliding plate reset spring 21 is lowered and reset.

[0064] A baffle can be arranged outside the arm support plate 31 to limit the arm.

[0065] It should be noted that the relational terms such as first and second and the like in this text are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0066] The above describes the present application and its embodiments, which are not limited, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the purpose of the present application, without creative design, similar structure and embodiments of the technical solution are not creative, and should belong to the protection scope of the present application.

Claims

1. An arm position fixing device for cardiovascular and cerebrovascular intervention surgery, characterized in that: Including the wrist rotation support mechanism (1), the rotation induction mechanism (2) and the lifting arm support mechanism (3), the wrist rotation support mechanism (1) is located on the lifting arm support mechanism (3), the rotation induction mechanism (2) is located on the wrist rotation support mechanism (1); The wrist rotation support mechanism (1) includes a rotation limiting component (4) and a rotation positioning retaining component (5), the rotation limiting component (4) is located on the lifting arm support mechanism (3), and the rotation positioning retaining component (5) is fixedly connected to the rotation limiting component (4); The rotation induction mechanism (2) includes a rotation dialing mechanism (11), a palm dorsiflexion fixing component (12) and a wrist rotation induction component (13), the rotation dialing mechanism (11) is fixedly connected to the rotation limiting component (4), the wrist rotation support mechanism (1) is located on the rotation dialing mechanism (11), and the wrist rotation induction component (13) is fixedly connected to the rotation limiting component (4); The rotation limiting component (4) includes a wrist rotation base (6), a wrist rotation frame one (7), a wrist rotation frame two (8) and a wrist lining (37), the wrist rotation base (6) is located on the lifting arm support mechanism (3), the wrist rotation frame two (8) is detachably arranged on the wrist rotation frame one (7), the wrist rotation frame two (8) and the wrist rotation frame one (7) form a complete ring, the wrist rotation frame one (7) and the wrist rotation frame two (8) are rotatably arranged in the wrist rotation base (6), and the wrist lining (37) is fixedly connected to the inside of the wrist rotation frame one (7) and the wrist rotation frame two (8); The rotation positioning retaining component (5) includes a fixed stop block (9) and a rotation stop block (10), the fixed stop block (9) is fixedly connected to the wrist rotation base (6), the rotation stop block (10) is symmetrically arranged on the wrist rotation frame one (7) and the wrist rotation frame two (8), and the fixed stop block (9) and the rotation stop block (10) can be elastically deformed when being pressed against each other; The rotation dialing mechanism (11) includes a dorsiflexion support (14), a dorsiflexion base (15) and a fixed bandage (16), the dorsiflexion support (14) is fixedly connected to the side surface of the wrist rotation frame two (8), the dorsiflexion base (15) is fixedly connected to the dorsiflexion support (14), the dorsiflexion base (15) is symmetrically provided with a side window (23), and the fixed bandage (16) passes through the side window (23); The wrist rotation induction component (13) includes an induction box (19), a transverse sliding plate (20), a sliding plate reset spring (21) and a multi-section hollow telescopic rod (22), the induction box (19) is fixedly connected to the wrist rotation base (6), the transverse sliding plate (20) is clamped and slidably arranged in the induction box (19), the sliding plate reset spring (21) is arranged between one side of the transverse sliding plate (20) and the induction box (19), and the multi-section hollow telescopic rod (22) is arranged between the other side of the transverse sliding plate (20) and the induction box (19). The lifting arm supporting mechanism (3) comprises an arm supporting assembly (27), an arm lifting execution assembly (28) and an arm lifting control assembly (29), the arm supporting assembly (27) comprises a lifting limiting base (30), an arm supporting plate (31) and an arm binding belt (32), the arm supporting plate (31) and the wrist rotating base (6) are fixedly connected, the arm supporting plate (31) and the wrist rotating base (6) are slidingly arranged in the lifting limiting base (30), the arm binding belt (32) is arranged on the arm supporting plate (31), the arm lifting execution assembly (28) is arranged between the lifting limiting base (30) and the arm supporting plate (31), and the arm lifting control assembly (29) is arranged between the lifting limiting base (30) and the arm supporting plate (31); The arm lifting execution assembly (28) comprises a fixed inclined block (33) and a sliding inclined block (34), the fixed inclined block (33) is fixedly connected to the arm supporting plate (31), the sliding inclined block (34) is slidingly arranged between the fixed inclined block (33) and the lifting limiting base (30), and the inclined surfaces of the fixed inclined block (33) and the sliding inclined block (34) are in sliding contact; The arm lifting control assembly (29) comprises a lifting reset spring (35) and a lifting control push rod (36), the lifting reset spring (35) is arranged between the lifting limiting base (30) and the arm supporting plate (31), the fixed end of the lifting control push rod (36) is arranged on the lifting limiting base (30), and the telescopic end of the lifting control push rod (36) is arranged on the sliding inclined block (34); The multi-section hollow telescopic rod (22) and the lifting control push rod (36) are connected through a conduit, and liquid exchange can be performed between the multi-section hollow telescopic rod (22) and the lifting control push rod (36); When the patient needs to change from the palm-in state to the palm-out state, only the wrist rotating frame one (7) and the wrist rotating frame two (8) need to be rotated; During rotation, the rotating stop block (10) between the fixed stop blocks (9) will be separated from the fixed stop blocks (9) through elastic deformation, and then the next rotating stop block (10) will enter the fixed stop blocks (9) again, and the rotating stop block (10) will be temporarily stopped at this position; During the rotation of the dorsiflexion support (14), the horizontal sliding plate (20) is pushed to slide, in this process, on the one hand, the sliding plate reset spring (21) is stretched, and on the other hand, the liquid in the multi-section hollow telescopic rod (22) is transferred to the lifting control push rod (36) through the conduit, so that the lifting control push rod (36) is elongated; The elongated lifting control push rod (36) pushes the sliding inclined block (34), and the arm supporting plate (31) and the wrist rotating base (6) are lifted as a whole along the lifting limiting base (30), and sufficient space is left for the palm in the palm-in dorsiflexion state and the rotating sensing mechanism (2) through the lifting of the whole.

2. The arm position fixing device for cardiovascular and cerebrovascular intervention surgery according to claim 1, characterized in that: The dorsal extension fixing assembly (12) comprises a rotating support (17) and a rotating shaft (18), the rotating support (17) is fixed to the dorsal extension base (15), one group of the rotating support (17) is internally provided with an internal ratchet part (24), the rotating shaft (18) is rotatably arranged in the rotating support (17), the rotating shaft (18) is further provided with an external ratchet part (26) matched with a handle part (25), the rotating shaft (18) can slide in the rotating support (17), and the end of the rotating shaft (18) is further provided with the handle part (25).

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