CN110720996B - Operation fixing frame - Google Patents
Operation fixing frame Download PDFInfo
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- CN110720996B CN110720996B CN201911189039.1A CN201911189039A CN110720996B CN 110720996 B CN110720996 B CN 110720996B CN 201911189039 A CN201911189039 A CN 201911189039A CN 110720996 B CN110720996 B CN 110720996B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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Abstract
The invention relates to a surgical fixing frame, which comprises a shell (100), a fixing frame and a fixing frame, wherein the shell is fixed with a rack, and an opening is arranged above the shell; a frame plate (200) which is arranged on the upper side of the shell (100) and is provided with a fixing belt for fixing limbs on the upper surface; the moving part (300) comprises a left moving part (400) and a right moving part (500), wherein the left moving part (400) and the right moving part (500) respectively drive the first ejector rod (412) and the second ejector rod (512) to move up and down through a screw rod structure, so that the frame plate (200) can be adjusted in height and/or angle. According to the invention, the frame plate (200) is adjusted in height and/or angle by moving the first ejector rod (412) and the second ejector rod (512) driven by the two screw rod structures up and down, so that the frame plate (200) can be automatically adjusted in height and angle, and the fixing requirements of more operations and the requirements of body types of different users are met.
Description
Technical Field
The invention relates to an auxiliary surgical instrument, in particular to a surgical fixing frame for fixing limbs.
Background
The traditional operation fixing frame is used for fixing four limbs of a user through fixing similar handcuffs on a frame plate with a fixed height or a manually adjusted height, so that the user is prevented from moving around in the operation process, and the smooth operation is guaranteed.
However, the surgical fastening frame can only support the limbs with the frame plate at a fixed inclination angle, and the angles of the frame plate cannot be adjusted freely, and further cannot be adjusted electrically.
Therefore, there is a need for a surgical fixing frame with adjustable height and inclination angle.
Disclosure of Invention
The invention aims to provide an operation fixing frame with the height and the inclination angle capable of being adjusted at will.
The invention relates to a surgical fixing frame, which comprises
The shell is fixed with the frame, and an opening is arranged above the shell;
a frame plate which is arranged on the upper side of the shell and is provided with a fixing belt for fixing limbs on the upper surface;
and the moving part comprises a left moving part and a right moving part, and the left moving part and the right moving part respectively drive the first ejector rod and the second ejector rod to move up and down through a screw rod structure, so that the frame plate can be adjusted in height and/or angle.
The invention relates to a surgical fixing frame, wherein a left moving part comprises a first motor, a first output shaft, a first lower rotary table, a first upper rotary table, a first clamping pin, a first electromagnet, a first longitudinal rod, a first transverse rod, a first screw, a first nut, a first guide rail, a first ejector rod, a first pin shaft, a first long round hole and a first spring; the first motor is fixed with the bottom inside the outer shell, a first output shaft of the first motor is coaxially fixed with the first lower rotary table, a first lower blind hole is formed in the upper surface of the first lower rotary table, a first clamping pin moving longitudinally along the first lower blind hole is arranged in the first lower blind hole, the first clamping pin is made of iron, a first upper rotary table is arranged on the upper side of the first lower rotary table, a first upper blind hole is formed in the lower surface of the first upper rotary table, and a first electromagnet is fixedly embedded in the first upper rotary table on the upper side of the first upper blind hole;
the bottom of the inside of the shell is fixed with the lower end of a first longitudinal rod, the upper end of the first longitudinal rod is fixed with one end of a first transverse rod, the other end of the first transverse rod is connected with the lower part of a first screw rod through a bearing, the lower end of the first screw rod is coaxially fixed with a first upper rotary disc, the first screw rod is in threaded connection with a first nut, the first nut moves up and down along a first guide rail, the first nut is fixed with the lower end of a first ejector rod, the upper end of the first ejector rod is fixed with one end of a first pin shaft, the edge of the first pin shaft moves in a first long circular hole formed in the frame plate, the first pin shaft is fixed with one end of a first spring, and the other end of the first spring is fixed with the frame plate;
the first motor and the first electromagnet are connected with the first power supply module through leads, and the first power supply module is fixed with the shell;
the left moving part and the right moving part of the moving part have the same structure and are mirror images.
The invention relates to a surgical fixing frame, wherein a left moving part comprises a first motor, a first output shaft, a first lower rotary table, a first upper rotary table, a first clamping pin, a first electromagnet, a first longitudinal rod, a first transverse rod, a first screw, a first nut, a first guide rail, a first ejector rod, a first pin shaft, a first long round hole and a first spring; the first motor is fixed with the bottom inside the outer shell, a first output shaft of the first motor is coaxially fixed with the first lower rotary table, a first lower blind hole is formed in the upper surface of the first lower rotary table, a first clamping pin moving longitudinally along the first lower blind hole is arranged in the first lower blind hole, the first clamping pin is made of iron, a first upper rotary table is arranged on the upper side of the first lower rotary table, a first upper blind hole is formed in the lower surface of the first upper rotary table, and a first electromagnet is fixedly embedded in the first upper rotary table on the upper side of the first upper blind hole;
the bottom of the inside of the shell is fixed with the lower end of a first longitudinal rod, the upper end of the first longitudinal rod is fixed with one end of a first transverse rod, the other end of the first transverse rod is connected with the lower part of a first screw rod through a bearing, the lower end of the first screw rod is coaxially fixed with a first upper rotary disc, the first screw rod is in threaded connection with a first nut, the first nut moves up and down along a first guide rail, the first nut is fixed with the lower end of a first ejector rod, the upper end of the first ejector rod is fixed with one end of a first pin shaft, the edge of the first pin shaft moves in a first long circular hole formed in the frame plate, the first pin shaft is fixed with one end of a first spring, and the other end of the first spring is fixed with the frame plate;
the right moving part comprises a main shaft, a second lower rotary table, a second upper rotary table, a second clamping pin, a second electromagnet, a second longitudinal rod, a second transverse rod, a second screw, a second nut, a second guide rail, a second ejector rod, a second pin shaft, a second long round hole and a second spring;
the lower end of the main shaft is mounted at the bottom inside the shell, the upper end of the main shaft is coaxially fixed with the second lower rotary table, a second lower blind hole is formed in the upper surface of the second lower rotary table, a second clamping pin moving longitudinally along the second lower blind hole is arranged in the second lower blind hole and made of iron, a second upper rotary table is arranged on the upper side of the second lower rotary table, a second upper blind hole is formed in the lower surface of the second upper rotary table, and a second electromagnet is embedded and fixed on the upper side of the second upper blind hole of the second upper rotary table;
the bottom of the inside of the shell is fixed with the lower end of a second longitudinal rod, the upper end of the second longitudinal rod is fixed with one end of a second transverse rod, the other end of the second transverse rod is connected with the lower part of a second screw rod through a bearing, the lower end of the second screw rod is coaxially fixed with a second upper rotary disc, the second screw rod is in threaded connection with a second nut, the second nut moves up and down along a second guide rail, the second nut is fixed with the lower end of a second ejector rod, the upper end of the second ejector rod is fixed with one end of a second pin shaft, the edge of the second pin shaft moves in a second long round hole formed in the frame plate, the second pin shaft is fixed with one end of a second spring, and the other end of the second spring is fixed with the frame plate;
the first lower rotary table of the left moving part is a driving wheel, the second lower rotary table of the right moving part is a driving wheel, and the first lower rotary table is in transmission connection with the second lower rotary table through a transmission belt;
the first motor, the first electromagnet, the second motor and the second electromagnet are connected with the first power module through wires, and the first power module is fixed with the shell.
The invention relates to a surgical fixing frame, wherein a roller with a locking mechanism is arranged at the bottom of a shell.
The invention relates to an operation fixing frame, wherein the first upper blind hole and the first lower blind hole have the same aperture and can face each other, the first lower blind hole and the first upper blind hole have the same aperture, and the depth of the first upper blind hole is preferably half of the length of a first clamping pin.
The invention relates to a surgical fixing frame, wherein the frame plate is made of wood, metal materials, rubber or plastics.
The invention relates to a surgical fixing frame, wherein a second lower rotating disc and a first lower rotating disc are both belt pulleys, and a driving belt is a belt.
The invention relates to a surgical fixing frame, wherein the second lower rotating disc and the first lower rotating disc are chain wheels, and the driving belt is a chain.
The invention relates to a surgical fixing frame, wherein the second lower rotating disc and the first lower rotating disc are rope wheels, and the transmission belt is a pull rope.
The surgical fixing frame is different from the prior art in that the height and/or angle of the frame plate can be adjusted by the aid of the fact that the first ejector rod and the second ejector rod driven by the two lead screw structures move up and down, so that the frame plate can automatically adjust the height and the angle, and fixing requirements of more surgeries and requirements of body types of different users are met.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a surgical fastening frame in use;
FIG. 2 is a front view of a surgical mount in a first state;
FIG. 3 is a schematic view of a variant of the structure of FIG. 2;
FIG. 4 is a change of motion state diagram of FIG. 3;
FIG. 5 is a top view of FIG. 3;
fig. 6 is a partial enlarged view of the left side of fig. 3;
FIG. 7 is a partial enlarged view of the right side of FIG. 3;
fig. 8 is a movement state change diagram of fig. 6.
Detailed Description
As shown in figures 1-8, referring to figures 1, 2, 3 and 4, the surgical fixing frame of the invention comprises
A housing 100 fixed to the frame and having an opening formed at an upper portion thereof;
a frame plate 200 disposed on the upper side of the housing 100, and having a fixing band for fixing limbs on the upper surface thereof;
and the moving part 300 comprises a left moving part 400 and a right moving part 500, and the left moving part 400 and the right moving part 500 respectively drive the first ejector rod 412 and the second ejector rod 512 to move up and down through a screw rod structure, so that the frame plate 200 can realize the adjustment of the height and/or the angle.
According to the invention, the frame plate 200 is adjusted in height and/or angle by the up-and-down movement of the first ejector rod 412 and the second ejector rod 512 driven by the two screw rod structures, so that the frame plate 200 can automatically adjust the height and the angle, and the fixing requirements of more operations and the requirements of body types of different users are met.
Wherein, both ends of the fixing band 210 are fixed to the upper surface of the frame plate 200, and the fixing band 210 may be made of metal, rubber, cotton cloth, or nylon cloth.
The fixing belt 210 may also be a conventional fixing belt, and is not described herein in detail.
Wherein, the frame plate 200 may not be provided with the fixing band 210 according to the operation requirement, so as to satisfy the requirement of more operations.
Referring to fig. 3 and 4, the left moving part 400 and the right moving part 500 of the moving part 300 may have the same structure and mirror images of each other, or some parts may be deleted to reduce the use cost.
As a further explanation of the present embodiment, referring to fig. 2, 5, 6, and 8, the left moving part 400 includes a first motor 401, a first output shaft 402, a first lower rotating disc 403, a first upper rotating disc 404, a first clamping pin 405, a first electromagnet 406, a first vertical rod 407, a first horizontal rod 408, a first screw 409, a first nut 410, a first guide rail 411, a first top rod 412, a first pin 413, a first long circular hole 414, and a first spring 415; the first motor 401 is fixed to the bottom inside the outer shell 100, a first output shaft 402 of the first motor 401 is coaxially fixed to the first lower rotating disk 403, a first lower blind hole 416 is formed in the upper surface of the first lower rotating disk 403, a first bayonet pin 405 moving in the longitudinal direction of the first lower blind hole 416 is arranged in the first lower blind hole 416, the first bayonet pin 405 is made of iron, a first upper rotating disk 404 is arranged on the upper side of the first lower rotating disk 403, a first upper blind hole 417 is formed in the lower surface of the first upper rotating disk 404, and a first electromagnet 406 is fixedly embedded in the first upper rotating disk 404 on the upper side of the first upper blind hole 417;
the bottom of the inside of the housing 100 is fixed to the lower end of a first longitudinal rod 407, the upper end of the first longitudinal rod 407 is fixed to one end of a first cross rod 408, the other end of the first cross rod 408 is connected to the lower portion of a first screw 409 through a bearing, the lower end of the first screw 409 is coaxially fixed to the first upper turntable 404, the first screw 409 is in threaded connection with a first nut 410, the first nut 410 moves up and down along the first guide rail 411, the first nut 410 is fixed to the lower end of a first top rod 412, the upper end of the first top rod 412 is fixed to one end of a first pin 413, the first pin 413 moves along a first long circular hole 414 formed in the frame plate 200, the first pin 413 is fixed to one end of a first spring 415, and the other end of the first spring 415 is fixed to the frame plate 200;
the first motor 401 and the first electromagnet 406 are connected with the first power module 418 through conducting wires, and the first power module 418 is fixed with the housing 100;
the left moving part 400 and the right moving part 500 of the moving part 300 have the same structure and are mirror images of each other.
According to the present invention, whether the first upper turntable 404 and the first lower turntable 403 rotate synchronously or not can be adjusted by adjusting the attraction and repulsion between the first electromagnet 406 and the first bayonet 405 through the left moving part 300 of the moving part 300, when the first upper turntable 404 rotates, the first push rod 412 is lifted and lowered by utilizing the lifting and lowering of the first nut 410 through the screw principle, and the second push rod 512 can be lifted and lowered by utilizing the right moving part 500 which has the same structure as the left moving part 400 and is a mirror image of the left moving part, so that the tilt angle of the frame plate 200 can be changed by changing different height positions of the first pin 413 and the second pin 513 arranged in the first long circular hole 414 and the second long circular hole 514 of the frame plate 200.
In order to reduce the shaking of the frame plate 200, the first spring 415 and the second spring 515 are added between the first pin 413 and the second pin 513 and between the frame plate 200 and the frame plate 200 to reduce the looseness between the frame plate 200 and the moving part 300, so that the frame plate 200 can be lifted and lowered more stably, and a large amount of shaking or large-amplitude falling movement cannot occur.
The second motor 501 and the second electromagnet 506 are connected to the second power module 518 through wires, and the second power module is fixed to the housing 100.
Specifically, the second top rod 512 of the right moving part 300 and the first top rod 412 of the left moving part 300 are mirror images, the upper end of the second top rod 512 is fixed to one end of the second pin 513, the edge of the second pin 513 is arranged in the second long circular hole 514 in the frame plate 200 to move, the second pin 513 is fixed to one end of the second spring 515, and the other end of the second spring 515 is fixed to the frame plate 200.
More specifically, the right moving part 500 includes a second motor 501, a second output shaft 502, a second lower turntable 503, a second upper turntable 504, a second bayonet pin 505, a second electromagnet 506, a second longitudinal rod 507, a second cross rod 508, a second screw 509, a second nut 510, a second guide rail 511, a second ejector rod 512, a second pin 513, a second oblong hole 514, and a second spring 515; the second motor 501 is fixed to the bottom inside the housing 100, a second output shaft 502 of the second motor 501 is coaxially fixed to the second lower rotating disk 503, a second lower blind hole 516 is formed in the upper surface of the second lower rotating disk 503, a second bayonet pin 505 moving longitudinally along the second lower blind hole 516 is arranged in the second lower blind hole 516, the second bayonet pin 505 is made of iron, a second upper rotating disk 504 is arranged on the upper side of the second lower rotating disk 503, a second upper blind hole 517 is formed in the lower surface of the second upper rotating disk 504, and a second electromagnet 506 is fixedly embedded in the second upper rotating disk 504 on the upper side of the second upper blind hole 517;
the bottom of the inside of the housing 100 is fixed to the lower end of a second longitudinal rod 507, the upper end of the second longitudinal rod 507 is fixed to one end of a second cross rod 508, the other end of the second cross rod 508 is connected to the lower portion of a second screw 509 through a bearing, the lower end of the second screw 509 is coaxially fixed to the second upper turntable 504, the second screw 509 is in threaded connection with a second nut 510, the second nut 510 moves up and down along a second guide rail 511, the second nut 510 is fixed to the lower end of a second top rod 512, the upper end of the second top rod 512 is fixed to one end of a second pin 513, the edge of the second pin 513 moves in a second long circular hole 514 formed in the frame plate 200, the second pin is fixed to one end of a second spring 515, and the other end of the second spring 515 is fixed to the frame plate 200;
the second motor 501 and the second electromagnet 506 are connected to the second power module 418 through wires, and the second power module is fixed to the housing 100.
The first nut 410 may be provided with a first dovetail slider, and the first guide rail 411 is provided with a dovetail groove matched with the first guide rail in shape. Of course, the first nut 410 may also be provided with a T-shaped slider, and the first rail 411 is provided with a T-shaped groove matching with the shape of the first nut, so as to prevent the first nut 410 from being separated from the first rail 411.
The first lower blind hole 416 and the first upper blind hole 417 have the same hole diameter, and the depth of the first upper blind hole 417 is preferably half the length of the first bayonet 405. The first upper blind hole 417 and the first lower blind hole 416 have the same hole diameter and can face each other.
The wire connecting the first electromagnet 406 and the power module should have a longer free length, so that when the first upper turntable 404 rotates, the wire cannot wind the first screw 409 to cause the screw to be unable to rotate or the wire to be torn. Of course, the diameter of the first screw 409 may be correspondingly reduced to reduce the length of its single turn of wound wire. Of course, the helix angle of the first screw 409 may also be increased, thereby reducing the number of rotations of the first screw 409.
The first pin 405 may be made of magnetite or hematite, that is, the first pin 405 may be a common iron block that can be attracted by a magnet or the first pin 405 may also be a permanent magnet, so as to facilitate the attraction of the first electromagnet 406 to the first pin, and the first pin is disposed between the first lower blind hole 416 and the first upper blind hole 417, so that the first lower turntable 403 and the first upper turntable 404 can rotate synchronously or only the first lower turntable 403 can rotate without rotating the first upper turntable 404.
The second top bar 512 of the right moving part 500 has the same structure as the first top bar 412 of the left moving part 400.
Of course, a variant of this embodiment may also be: referring to fig. 2, 5, 6, 7, and 8, the left moving part 400 includes a first motor 401, a first output shaft 402, a first lower rotating disk 403, a first upper rotating disk 404, a first pin 405, a first electromagnet 406, a first vertical rod 407, a first horizontal rod 408, a first screw 409, a first nut 410, a first guide rail 411, a first top rod 412, a first pin 413, a first long circular hole 414, and a first spring 415; the first motor 401 is fixed to the bottom inside the outer shell 100, a first output shaft 402 of the first motor 401 is coaxially fixed to the first lower rotating disk 403, a first lower blind hole 416 is formed in the upper surface of the first lower rotating disk 403, a first bayonet pin 405 moving in the longitudinal direction of the first lower blind hole 416 is arranged in the first lower blind hole 416, the first bayonet pin 405 is made of iron, a first upper rotating disk 404 is arranged on the upper side of the first lower rotating disk 403, a first upper blind hole 417 is formed in the lower surface of the first upper rotating disk 404, and a first electromagnet 406 is fixedly embedded in the first upper rotating disk 404 on the upper side of the first upper blind hole 417;
the bottom of the inside of the housing 100 is fixed to the lower end of a first longitudinal rod 407, the upper end of the first longitudinal rod 407 is fixed to one end of a first cross rod 408, the other end of the first cross rod 408 is connected to the lower portion of a first screw 409 through a bearing, the lower end of the first screw 409 is coaxially fixed to the first upper turntable 404, the first screw 409 is in threaded connection with a first nut 410, the first nut 410 moves up and down along the first guide rail 411, the first nut 410 is fixed to the lower end of a first top rod 412, the upper end of the first top rod 412 is fixed to one end of a first pin 413, the first pin 413 moves along a first long circular hole 414 formed in the frame plate 200, the first pin 413 is fixed to one end of a first spring 415, and the other end of the first spring 415 is fixed to the frame plate 200;
the right moving part 500 comprises a main shaft 531, a second lower turntable 503, a second upper turntable 504, a second bayonet lock 505, a second electromagnet 506, a second longitudinal rod 507, a second transverse rod 508, a second screw 509, a second nut 510, a second guide rail 511, a second top rod 512, a second pin 513, a second slotted hole 514 and a second spring 515;
the lower end of the main shaft 531 is mounted at the bottom of the inside of the housing 100, the upper end of the main shaft 531 is coaxially fixed with the second lower rotating disc 503, the upper surface of the second lower rotating disc 503 is provided with a second lower blind hole 516, a second bayonet pin 505 moving longitudinally along the second lower blind hole 516 is arranged in the second lower blind hole 516, the second bayonet pin 505 is made of iron, the upper side of the second lower rotating disc 503 is provided with a second upper rotating disc 504, the lower surface of the second upper rotating disc 504 is provided with a second upper blind hole 517, and a second electromagnet 506 is fixedly embedded in the upper side of the second upper blind hole 517 of the second upper rotating disc 504;
the bottom of the inside of the housing 100 is fixed to the lower end of a second longitudinal rod 507, the upper end of the second longitudinal rod 507 is fixed to one end of a second cross rod 508, the other end of the second cross rod 508 is connected to the lower portion of a second screw 509 through a bearing, the lower end of the second screw 509 is coaxially fixed to the second upper turntable 504, the second screw 509 is in threaded connection with a second nut 510, the second nut 510 moves up and down along a second guide rail 511, the second nut 510 is fixed to the lower end of a second top rod 512, the upper end of the second top rod 512 is fixed to one end of a second pin 513, the edge of the second pin 513 moves in a second long circular hole 514 formed in the frame plate 200, the second pin is fixed to one end of a second spring 515, and the other end of the second spring 515 is fixed to the frame plate 200;
the first lower rotating disc 403 of the left moving part 400 is a driving wheel, the second lower rotating disc 503 of the right moving part 500 is a driving wheel, and the first lower rotating disc 403 is in transmission connection with the second lower rotating disc 503 through a transmission belt 532;
the first motor 401, the first electromagnet 406, the second motor 501, and the second electromagnet 506 are connected to the first power module 418 through wires, and the first power module 418 is fixed to the housing 100.
In the present invention, the first motor 401 drives the first lower turntable 403 of the left moving part 400 to rotate, and the driving belt 532 drives the second lower turntable 503 to rotate around the main shaft 531, thereby saving the cost of one motor and reducing the overall weight of the present invention. The other components of the right moving part 500 are substantially identical to the structure and principle of the left moving part 400, and are controlled by the first power module 418 to rotate or rotate.
When the device is used, the first power module 418 may firstly electrify the first motor 401 and the first electromagnet 406, and the first electromagnet 406 and the first bayonet pin 405 attract each other, so that the first lower rotating disc 403 and the first upper rotating disc 404 rotate synchronously, after the first screw 409 rotates to a specified angle, the height of the first ejector rod 412 is also adjusted, and then the first ejector rod 412 is fixed at the upper and lower positions through the self-locking capability of the threads of the first screw 409 and the first nut 410; then, the first power module 418 may first energize the first motor 401 and the second electromagnet 506, and de-energize the first electromagnet 406, so that the second electromagnet 506 and the second detent 505 attract each other, so that the second lower turntable 503 and the second upper turntable 504 rotate synchronously, and after the second screw 509 rotates to a designated angle, the height of the second ejector 512 is adjusted, and the angle adjustment of the frame plate 200 is completed.
The first power module 418 is provided with circuit switches for controlling the current magnitude and current direction of the first motor 401, the first electromagnet 406, the second motor 501 and the second electromagnet 506, respectively, so as to control whether the first power module is electrified or not or the current magnitude and direction of the first power module are electrified.
In a preferred form of this embodiment, not shown, the bottom of the housing 100 is provided with rollers having a locking mechanism.
The present invention can adjust the position of the housing 100 at will by means of the above-mentioned rollers.
The housing 100 may be directly fixed to the ground, or a roller having a locking mechanism may be disposed at the bottom of the housing 100 to adjust the position thereof at will, so as to meet the demand of more positions.
As a preferred form of this embodiment, referring to fig. 6 and 8, the first upper blind hole 417 and the first lower blind hole 416 have the same hole diameter and can face each other, the first lower blind hole 416 and the first upper blind hole 417 have the same hole diameter, and the depth of the first upper blind hole 417 is preferably half the length of the first bayonet 405.
In the present invention, the depth of the first upper blind hole 417 is preferably half of the length of the first pin 405, so that half of the first pin 405 is located in the first upper blind hole 417, and the other half is located in the first lower blind hole 416, so that the first pin can be rotated without slipping.
In a preferred form of this embodiment, the shelf board 200 is made of wood, metal, rubber, or plastic.
In a preferred form of this embodiment, the second lower rotating disk 503 and the first lower rotating disk 403 are both pulleys, and the transmission belt 532 is a belt.
The invention can save the cost of a motor by transmitting the rotating torque in the above way and ensure the transmission of the torque.
Of course, a variation of this embodiment could also be: the second lower rotating disc 503 and the first lower rotating disc 403 are both chain wheels, and the transmission belt 532 is a chain.
The invention can save the cost of a motor by transmitting the rotating torque in the above way and ensure the transmission of the torque.
Of course, one variation of this embodiment may also be: the second lower rotating disk 503 and the first lower rotating disk 403 are both rope wheels, and the transmission belt 532 is a pull rope.
The invention can save the cost of a motor by transmitting the rotating torque in the above way and ensure the transmission of the torque.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. A surgical fixation frame, characterized in that: comprises that
A housing (100) fixed to the frame and having an opening formed at an upper portion thereof;
a frame plate (200) which is arranged on the upper side of the shell (100) and the upper surface of which is provided with a fixing belt for fixing limbs;
the moving part (300) comprises a left moving part (400) and a right moving part (500), wherein the left moving part (400) and the right moving part (500) respectively drive the first ejector rod (412) and the second ejector rod (512) to move up and down through a screw rod structure, so that the frame plate (200) can be adjusted in height and/or angle;
the left moving part (400) comprises a first motor (401), a first output shaft (402), a first lower rotating disc (403), a first upper rotating disc (404), a first clamping pin (405), a first electromagnet (406), a first longitudinal rod (407), a first cross rod (408), a first screw rod (409), a first nut (410), a first guide rail (411), a first top rod (412), a first pin shaft (413), a first long round hole (414) and a first spring (415); the first motor (401) is fixed to the bottom inside the outer shell (100), a first output shaft (402) of the first motor (401) is coaxially fixed to the first lower rotating disc (403), a first lower blind hole (416) is formed in the upper surface of the first lower rotating disc (403), a first clamping pin (405) moving along the longitudinal direction of the first lower blind hole (416) is arranged in the first lower blind hole (416), the first clamping pin (405) is made of iron, a first upper rotating disc (404) is arranged on the upper side of the first lower rotating disc (403), a first upper blind hole (417) is formed in the lower surface of the first upper rotating disc (404), and a first electromagnet (406) is fixedly embedded in the first upper rotating disc (404) on the upper side of the first upper blind hole (417);
the bottom of the inside of the shell (100) is fixed with the lower end of a first longitudinal rod (407), the upper end of the first longitudinal rod (407) is fixed with one end of a first transverse rod (408), the other end of the first transverse rod (408) is connected with the lower part of a first screw rod (409) through a bearing, the lower end of the first screw rod (409) is coaxially fixed with a first upper turntable (404), the first screw rod (409) is in threaded connection with a first nut (410), the first nut (410) moves up and down along a first guide rail (411), the first nut (410) is fixed with the lower end of a first ejector rod (412), the upper end of the first ejector rod (412) is fixed with one end of a first pin shaft (413), the first pin shaft (413) moves in a first long round hole (414) formed in the frame plate (200), and the first pin shaft (413) is fixed with one end of a first spring (415), the other end of the first spring (415) is fixed with the frame plate (200);
the right moving part (500) comprises a main shaft (531), a second lower turntable (503), a second upper turntable (504), a second bayonet (505), a second electromagnet (506), a second longitudinal rod (507), a second transverse rod (508), a second screw (509), a second nut (510), a second guide rail (511), a second ejector rod (512), a second pin shaft (513), a second long round hole (514) and a second spring (515);
the lower end of the main shaft (531) is mounted at the bottom of the inner part of the outer shell (100), the upper end of the main shaft (531) is coaxially fixed with the second lower rotary table (503), a second lower blind hole (516) is formed in the upper surface of the second lower rotary table (503), a second bayonet lock (505) moving longitudinally along the second lower blind hole (516) is arranged in the second lower blind hole (516), the second bayonet lock (505) is made of iron, a second upper rotary table (504) is arranged on the upper side of the second lower rotary table (503), a second upper blind hole (517) is formed in the lower surface of the second upper rotary table (504), and a second electromagnet (506) is fixedly embedded in the second upper rotary table (504) on the upper side of the second upper blind hole (517);
the bottom of the inside of the shell (100) is fixed with the lower end of a second longitudinal rod (507), the upper end of the second longitudinal rod (507) is fixed with one end of a second transverse rod (508), the other end of the second transverse rod (508) is connected with the lower part of a second screw rod (509) through a bearing, the lower end of the second screw rod (509) is coaxially fixed with a second upper turntable (504), the second screw rod (509) is in threaded connection with a second nut (510), the second nut (510) moves up and down along a second guide rail (511), the second nut (510) is fixed with the lower end of a second top rod (512), the upper end of the second top rod (512) is fixed with one end of a second pin shaft (513), the second pin shaft (513) moves in a second long round hole (514) formed in the frame plate (200), and the second pin shaft (513) is fixed with one end of a second spring (515), the other end of the second spring (515) is fixed with the frame plate (200);
the first lower turntable (403) of the left moving part (400) is a driving wheel, the second lower turntable (503) of the right moving part (500) is a driving wheel, and the first lower turntable (403) is in transmission connection with the second lower turntable (503) through a transmission belt (532);
the first motor (401), the first electromagnet (406), the second motor (501) and the second electromagnet (506) are connected with a first power module (418) through conducting wires, and the first power module (418) is fixed with the shell (100).
2. A surgical fastening frame according to claim 1, wherein: the bottom of the shell (100) is provided with a roller with a locking mechanism.
3. A surgical fastening frame according to claim 2, wherein: the first upper blind hole (417) and the first lower blind hole (416) have the same aperture and can face each other, the first lower blind hole (416) and the first upper blind hole (417) have the same aperture, and the depth of the first upper blind hole (417) is half of the length of the first bayonet (405).
4. A surgical fastening frame according to claim 3, wherein: the frame plate (200) is made of wood, metal materials, rubber or plastics.
5. A surgical fastening frame according to claim 1, wherein: the second lower rotating disc (503) and the first lower rotating disc (403) are both belt pulleys, and the transmission belt (532) is a belt.
6. A surgical fastening frame according to claim 1, wherein: the second lower rotating disc (503) and the first lower rotating disc (403) are chain wheels, and the transmission belt (532) is a chain.
7. A surgical fastening frame according to claim 1, wherein: the second lower rotating disc (503) and the first lower rotating disc (403) are rope wheels, and the transmission belt (532) is a pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189039.1A CN110720996B (en) | 2019-11-28 | 2019-11-28 | Operation fixing frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189039.1A CN110720996B (en) | 2019-11-28 | 2019-11-28 | Operation fixing frame |
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| CN110720996A CN110720996A (en) | 2020-01-24 |
| CN110720996B true CN110720996B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911189039.1A Active CN110720996B (en) | 2019-11-28 | 2019-11-28 | Operation fixing frame |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204798186U (en) * | 2015-05-14 | 2015-11-25 | 宁波凯生节能环保科技有限公司 | Angle height -adjustable saves sick bed |
| KR20170123024A (en) * | 2016-04-28 | 2017-11-07 | 정용채 | Electric bed frame for adjusting arrangement angle classified by body part |
| CN109998812A (en) * | 2019-04-19 | 2019-07-12 | 张晓芳 | Cooler is used in a kind of novel craniocerebral trauma nursing |
| CN110141407A (en) * | 2019-06-12 | 2019-08-20 | 宋晓飞 | Hip replacement surgery auxiliary device |
| CN110326928A (en) * | 2019-06-22 | 2019-10-15 | 李家齐 | A kind of multi-angle adjustable health care bed |
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2019
- 2019-11-28 CN CN201911189039.1A patent/CN110720996B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204798186U (en) * | 2015-05-14 | 2015-11-25 | 宁波凯生节能环保科技有限公司 | Angle height -adjustable saves sick bed |
| KR20170123024A (en) * | 2016-04-28 | 2017-11-07 | 정용채 | Electric bed frame for adjusting arrangement angle classified by body part |
| CN109998812A (en) * | 2019-04-19 | 2019-07-12 | 张晓芳 | Cooler is used in a kind of novel craniocerebral trauma nursing |
| CN110141407A (en) * | 2019-06-12 | 2019-08-20 | 宋晓飞 | Hip replacement surgery auxiliary device |
| CN110326928A (en) * | 2019-06-22 | 2019-10-15 | 李家齐 | A kind of multi-angle adjustable health care bed |
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| CN110720996A (en) | 2020-01-24 |
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