CN107669350B - Operation equipment for vertically dragging and separating tibia and femur of knee joint part and knee joint operation equipment - Google Patents
Operation equipment for vertically dragging and separating tibia and femur of knee joint part and knee joint operation equipment Download PDFInfo
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- CN107669350B CN107669350B CN201710944145.0A CN201710944145A CN107669350B CN 107669350 B CN107669350 B CN 107669350B CN 201710944145 A CN201710944145 A CN 201710944145A CN 107669350 B CN107669350 B CN 107669350B
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 64
- 210000002303 tibia Anatomy 0.000 title claims abstract description 55
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 47
- 210000003127 knee Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 description 5
- 230000008439 repair process Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 210000004417 patella Anatomy 0.000 description 3
- 206010016454 Femur fracture Diseases 0.000 description 2
- 208000004367 Tibial Fractures Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 206010043827 tibia fracture Diseases 0.000 description 1
Classifications
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Animal Behavior & Ethology (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Neurosurgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides operation equipment for vertically dragging, separating and resetting tibia and femur of a knee joint part, which belongs to the field of medical equipment and comprises a fixing device and a base, wherein the fixing device comprises a first support frame and a second support frame, the first support frame and the second support frame are vertically arranged, the joint of the first support frame and the second support frame is rotationally connected with the base, and the axis line of the fixing device relative to the base is vertical to the plane where the first support frame and the second support frame are located. The operation device for vertically dragging, separating and resetting the tibia and the femur of the knee joint part aims at accurately, quickly and conveniently dragging, separating and resetting the tibia and the femur of the knee joint part in a noninvasive manner when a human body is in a normal position or a side position, the first support frame and the second support frame are vertically arranged to enable the knee joint part to be in a 90-degree vertical state, the knee joint is in an exposed state, and the tail end of the femur and the tibia platform are not interfered with each other in an operation process.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to operation equipment for vertically dragging and separating tibia and femur of a knee joint part and knee joint operation equipment.
Background
The traction and reduction technology for the joints around the tibia, the femur and the knee joint is successfully applied to a new technology for treating the tibia fracture, the femur fracture, the joint around the knee joint or the knee joint replacement, can effectively improve the success rate of operations, the rapid rehabilitation of patients and the life quality of the patients, and is popular in developed countries.
The inventors found in the study that traction reduction surgery now suffers from at least the following drawbacks: 1. the existing traction equipment needs to perform invasive fixation on joints, and secondary injury is generated to human bodies; 2. the prior replacement device is unfavorable for operation due to the mutual interference of the femur end and the tibia platform during operation.
Disclosure of Invention
The invention aims to provide an operation device for vertically dragging, separating and resetting the joints around the tibia, the femur and the knee joint, so as to improve the condition that the existing traction equipment needs to perform invasive fixation on the joints and can cause secondary injury to a human body.
The invention aims to provide knee joint operation equipment, so that the problem that the existing traction equipment needs to perform invasive fixation on joints, secondary injury can be caused to a human body, and a plurality of assistants are needed to participate in operation when the existing knee joint replacement operation equipment performs operation is solved.
The invention is realized in the following way:
Based on the first object, the invention provides surgical equipment for vertically dragging, separating and resetting tibia and femur of a knee joint part, which comprises a fixing device and a base, wherein the fixing device comprises a first support frame and a second support frame, the first support frame is vertically arranged with the second support frame, the joint of the first support frame and the second support frame is rotationally connected with the base, and the axial lead of the fixing device rotating relative to the base is vertical to the plane where the first support frame and the second support frame are positioned.
The operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is provided with the first support frame and the second support frame which support a human body, and the first support frame and the second support frame are vertically arranged, so that when the human body leans against the fixing device during operation, the knee cap is in a 90-degree vertical state, the knee joint is in an exposed state, the tail end of the femur and the tibia platform are not interfered with each other during operation, the tibia is more convenient to drive into an intramedullary nail, the fixing device is rotated, the angle of the fixing device to the human body is adjusted, and the knee joint can be conveniently put into the first support frame and the second support frame.
Further, the surgical equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part further comprises a control device for controlling the angle of the fixing device, the control device is installed on the base, and the output end of the control device is connected with the first supporting frame.
The control device can control the angle of the fixing device, and can also play a role in fixing the fixing device after adjusting the angle, so that the fixing device is prevented from moving during operation, and the safety of a patient is ensured.
Further, the control device comprises a telescopic cylinder and a connecting rod, the telescopic cylinder is mounted on the base, the connecting rod is mounted on the telescopic cylinder, the connecting rod slides along the axial lead of the connecting rod relative to the telescopic cylinder, one end of the connecting rod, which is far away from the telescopic cylinder, is rotationally connected with the first support frame, and the axial lead of the connecting rod, which is opposite to the axial lead of the first support frame, is parallel to the axial lead of the fixing device, which is opposite to the axial lead of the base.
The control device utilizes the telescopic cylinder to control the fixing device, the angle is accurate and reliable, and meanwhile, the fixing device is more stable when fixed, and the tibia and the femur are vertically separated through the telescopic cylinder, so that the operation is more convenient, quick and reliable.
Further, the base comprises a bottom plate and two mounting seats, the two mounting seats are respectively connected with the bottom plate in a sliding mode, the two mounting seats slide relative to the bottom plate along the same straight line, and the fixing device and the control device are respectively arranged on the two mounting seats.
Because the stroke of the telescopic cylinder is limited, and the fixing effect is optimal in a certain stroke, the angle adjustment of the telescopic cylinder to the fixing device is limited, and two mounting seats which can slide relative to the base can be matched with the telescopic cylinder to jointly control the angle of the fixing device, so that the stability of the fixing device is ensured while the angle of the fixing device is determined to be proper.
Further, the telescopic cylinder is rotationally connected with the mounting seat, and the axial lead of the telescopic cylinder rotating relative to the mounting seat is parallel to the axial lead of the connecting rod rotating relative to the first supporting frame.
The telescopic cylinder is rotationally connected with the mounting seat, so that the whole operation equipment for vertically dragging, separating and resetting the tibia and the femur at the knee joint part is more flexible, and the adjustment is more convenient and quick.
Further, the mount pad includes slider, dwang and is used for with the locking structure of dwang locking, fixing device with the dwang rotates to be connected, the slider with bottom plate sliding connection, locking structure install in the slider, the dwang with locking structure rotates to be connected, just locking structure is optional will the dwang is locked or is released, fixing device with controlling means respectively with two the dwang rotates to be connected.
The sliding block can drive the fixing device and the control device to slide relative to the bottom plate, so that the relative position between the fixing device and the control device is controlled, and after confirming the relative positions of the fixing device and the control device, the rotating block is fixed by the lock structure, so that the fixing device and the control device are prevented from rotating again.
Further, the locking structure comprises a control rod, a first clamping block and a second clamping block, a rotating cavity and an opening are formed between the first clamping block and the second clamping block, the opening is communicated with the rotating cavity, the rotating block is positioned in the rotating cavity, the rotating block can rotate in the rotating cavity, and the fixing device and the control device are connected with the rotating block through the opening respectively; the control rod passes through the first clamping block and the second clamping block simultaneously, the control rod is in threaded connection with the first clamping block, the control rod is in the second clamping block, the second clamping block and the control rod slide synchronously, the first clamping block and the second clamping block are respectively installed in the sliding block, the second clamping block is in sliding connection with the sliding block, and the sliding axis of the second clamping block is parallel to the sliding axis of the sliding block.
When the positions of the fixing device and the control device are required to be adjusted, the control rod is screwed to enable the second clamping block to be far away from the first clamping block, the volume of the rotating cavity is increased, the rotating block can rotate in the rotating cavity, and the fixing device and the control device can be adjusted at the moment; after the adjustment of the fixing device and the control device is completed, the control rod is screwed again, the second clamping block is close to the first clamping block, the rotating cavity is gradually reduced in the process, the rotating block is finally clamped, and the rotating block is prevented from rotating.
Further, the locking structure further comprises a screw, a sliding groove and a clamping groove are formed in the base, the sliding groove and the clamping groove extend in the same direction, the sliding groove is communicated with the clamping groove, the two mounting seats are respectively clamped in the sliding groove, the screw is in threaded connection with the sliding block, and the screw slides along the clamping groove.
After the positions of the fixing device and the control device are determined, the screw is screwed to enable the sliding block to be abutted against the bottom plate, at the moment, the sliding block and the bottom plate cannot slide relatively, fixing is completed, meanwhile, the screw slides along the clamping groove, the sliding block can be prevented from rotating in the sliding groove due to the arrangement of the screw, and therefore surgical equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is protected.
Further, the sliding groove is provided as a T-shaped groove.
The chute is quite convenient in manufacturing, and when the clamping groove is arranged, the clamping groove can be directly communicated with the edge part of the chute, so that the operation is more convenient.
Based on the second object, the invention also provides a knee joint operation device, which comprises the operation device for vertically dragging and separating and resetting the tibia and the femur of the knee joint part.
The knee joint operation device provided by the invention comprises the operation device for vertically dragging and separating the tibia and the femur of the knee joint part, and is very convenient when the tibia is driven into an intramedullary nail.
Compared with the prior art, the invention has the beneficial effects that:
The operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is provided with the first support frame and the second support frame which support a human body, and the first support frame and the second support frame are vertically arranged, so that when the human body leans against the fixing device during operation, the knee cap is in a 90-degree vertical state, the knee joint is in an exposed state, the tail end of the femur and the tibia platform are not interfered with each other during operation, the tibia is more convenient to drive into an intramedullary nail, the fixing device is rotated, and the angle of the fixing device to the human body can be adjusted to conveniently put the knee joint into the first support frame and the second support frame.
The knee joint operation device provided by the invention comprises the operation device for vertically dragging and separating the tibia and the femur of the knee joint part, and is very convenient when the tibia is driven into an intramedullary nail.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will briefly explain the practical drawings required in the embodiments or the prior art, and it is obvious that the drawings described below are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a surgical device for vertically distraction-reduction of tibia and femur of a knee joint part according to embodiment 1 of the present invention;
FIG. 2 is a schematic view showing a fixing device according to embodiment 1 of the present invention;
FIG. 3 is a schematic view of a base provided in embodiment 1 of the present invention;
fig. 4 shows a schematic view of a mounting seat provided in embodiment 1 of the present invention;
fig. 5 is a schematic view showing a locking structure provided in embodiment 1 of the present invention;
FIG. 6 is a schematic view of a base plate according to embodiment 1 of the present invention;
FIG. 7 shows a cross-sectional view of a base plate provided by embodiment 1 of the present invention;
Fig. 8 shows a schematic diagram of a control device provided in embodiment 1 of the present invention.
In the figure: 101-a fixing device; 102-a base; 103-control means; 104-a second support frame; 105-a first support frame; 106-a bottom plate; 107-mounting seats; 108-a slider; 109-turning blocks; 110-locking structure; 111-screw; 112-a first clamping block; 113-a second clamping block; 114-a rotation chamber; 115-opening; 116-control lever; 117-chute; 118-a clamping groove; 119-telescoping cylinder; 120-connecting rod.
Detailed Description
Artificial knee joint replacement is a new technology for treating knee joint diseases, which is developed gradually after the modern artificial hip joint is successfully applied to patients, can effectively eradicate late knee joint pain, greatly improves the life quality of the patients, and is popular in developed countries. The inventors found in the study that existing replacement devices suffer from at least the following disadvantages: the prior replacement equipment has very troublesome nailing due to the mutual interference of femur and tibia during operation.
In order to improve the problems, the invention provides surgical equipment for vertically dragging, separating and resetting tibia and femur of a knee joint part, which comprises a fixing device and a base, wherein the fixing device comprises a first support frame and a second support frame, the first support frame is vertically arranged with the second support frame, the joint of the first support frame and the second support frame is rotationally connected with the base, and the axial lead of the fixing device rotating relative to the base is vertical to the plane where the first support frame and the second support frame are positioned.
The operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is provided with the first support frame and the second support frame which support a human body, and the first support frame and the second support frame are vertically arranged, so that when the human body leans against the fixing device during operation, the knee cap is in a 90-degree vertical state, the knee joint is in an exposed state, the tail end of the femur and the tibia platform are not interfered with each other during operation, the tibia is more convenient to drive into an intramedullary nail, the fixing device is rotated, and the angle of the fixing device to the human body can be adjusted to conveniently put the knee joint into the first support frame and the second support frame.
The invention also provides knee joint operation equipment, which comprises operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part.
The knee joint operation device provided by the invention comprises the operation device for vertically dragging and separating the tibia and the femur of the knee joint part, and is very convenient when the tibia is driven into an intramedullary nail.
The invention will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention are clearly and completely described above in conjunction with the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Accordingly, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the present invention, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or integral; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
Example 1
Referring to fig. 1 to 8, the present embodiment provides a surgical device for vertically pulling, separating and resetting a tibia and a femur of a knee joint part, which comprises a fixing device 101 and a base 102, wherein the fixing device 101 comprises a first support frame 105 and a second support frame 104, the first support frame 105 is vertically arranged with the second support frame 104, a joint of the first support frame 105 and the second support frame 104 is rotationally connected with the base 102, and an axial lead of the fixing device 101 rotating relative to the base 102 is vertical to a plane where the first support frame 105 and the second support frame 104 are located.
The operation equipment that will pull the tibia and the femur of knee joint position perpendicularly to separate and reset that this embodiment provided is provided with two and supports 105 and the second support frame 104 that support the human body, and first support frame 105 and second support frame 104 set up perpendicularly, when the operation like this, the human body leans on this fixing device 101 back, knee bone department presents 90 degrees vertical states, let knee joint be the state of exposing, and the operation in-process femur end and tibia platform are not interfered each other, more convenient when driving into the intramedullary nail to the tibia like this, rotate fixing device 101, can adjust fixing device 101 to the angle that the human body conveniently put into first support frame 105 and second support frame 104 with the knee joint.
The method aims at quickly and conveniently separating the tibia and the femur of the knee joint part when the human body is in the normal position or the side position, and then separating the distal end of the femur from the tibia platform, wherein the distal end and the tibia platform are in an exposed state and do not interfere with each other in the operation process, so that the tibia platform does not interfere with the femur fracture repair operation when the femur lower section fracture repair operation is performed; when the upper tibial fracture repair operation is performed, the distal femoral part does not interfere with the upper tibial fracture repair operation; during artificial knee joint replacement operation, the distal femur and the tibial plateau can be replaced accurately, conveniently and rapidly.
Since the fat, thin and short of each person is different, the angle is also different when the knee joint is put into the first support frame 105 and the second support frame 104.
The operation device for vertically dragging, separating and resetting the tibia and the femur of the knee joint part further comprises a control device 103 for controlling the angle of the fixing device 101, wherein the control device 103 is arranged on the base 102, and the output end of the control device 103 is connected with the first supporting frame 105. The control device 103 can control the angle of the fixing device 101, and can also play a role in fixing the fixing device 101 after the angle is adjusted, so that the fixing device 101 is prevented from moving during operation, and the safety of a patient is ensured.
The control device 103 comprises a telescopic cylinder 119 and a connecting rod 120, the telescopic cylinder 119 is mounted on the base 102, the connecting rod 120 is mounted on the telescopic cylinder 119, the connecting rod 120 slides relative to the telescopic cylinder 119 along the axial line of the connecting rod, one end, far away from the telescopic cylinder 119, of the connecting rod 120 is rotationally connected with the first support frame 105, and the axial line of the connecting rod 120, which rotates relative to the first support frame 105, is parallel to the axial line of the fixing device 101, which rotates relative to the base 102. The control device 103 utilizes the telescopic cylinder 119 to control the fixing device 101, the angle is accurate and reliable, meanwhile, the fixing device 101 is more stable when being fixed, the tibia and the femur are vertically separated through the telescopic cylinder 119, and the operation is more convenient, quick and reliable.
The base 102 includes a bottom plate 106 and two mounting seats 107, the two mounting seats 107 are slidably connected with the bottom plate 106, the two mounting seats 107 slide along the same line relative to the bottom plate 106, and the fixing device 101 and the control device 103 are respectively mounted on the two mounting seats 107. Because the stroke of the telescopic cylinder 119 is limited, and the fixing effect is optimal in a certain stroke, the angle adjustment of the telescopic cylinder 119 to the fixing device 101 is limited, and two mounting seats 107 which can slide relative to the base 102 can be matched with the telescopic cylinder 119 to jointly complete the control of the angle of the fixing device 101, so that the stability of the fixing device 101 is ensured while the proper angle of the fixing device 101 is determined.
The telescopic cylinder 119 is rotatably connected with the mounting seat 107, and the axis of rotation of the telescopic cylinder 119 relative to the mounting seat 107 is parallel to the axis of rotation of the connecting rod 120 relative to the first support frame 105. The telescopic cylinder 119 is rotationally connected with the mounting seat 107, so that the whole operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is more flexible, and the adjustment is more convenient and quick.
The mounting seat 107 comprises a sliding block 108, a rotating block 109 and a locking structure 110 for locking the rotating block 109, the fixing device 101 is rotationally connected with the rotating block 109, the sliding block 108 is slidably connected with the bottom plate 106, the locking structure 110 is mounted on the sliding block 108, the rotating block 109 is rotationally connected with the locking structure 110, the locking structure 110 can selectively lock or unlock the rotating block 109, and the fixing device 101 and the control device 103 are respectively rotationally connected with the two rotating blocks 109. The slide block 108 can drive the fixing device 101 and the control device 103 to slide relative to the bottom plate 106, so as to control the relative position between the fixing device 101 and the control device 103, and after confirming the relative positions of the fixing device 101 and the control device 103, the rotating block 109 is fixed by a lock structure, so that the fixing device 101 and the control device 103 are prevented from rotating again.
The mounting seat 107 may be a universal joint, and the angle of the fixing device 101 may be controlled by the mounting seat 107, so that the tibia and the femur of the knee joint part can be conveniently and quickly separated vertically in the normal position and the lateral position.
The locking structure comprises a control rod 116, a first clamping block 112 and a second clamping block 113, a rotating cavity 114 and an opening 115 are formed between the first clamping block 112 and the second clamping block 113, the opening 115 is communicated with the rotating cavity 114, the rotating block 109 is positioned in the rotating cavity 114, the rotating block 109 can rotate in the rotating cavity 114, and the fixing device 101 and the control device 103 are respectively connected with the rotating block 109 through the opening 115; the control rod 116 passes through the first clamping block 112 and the second clamping block 113 simultaneously, the control rod 116 is in threaded connection with the first clamping block 112, the control rod 116 is clamped with the second clamping block 113, the second clamping block 113 and the control rod 116 slide synchronously, the first clamping block 112 and the second clamping block 113 are respectively installed on the sliding block 108, the second clamping block 113 is in sliding connection with the sliding block 108, and the sliding axial lead of the second clamping block 113 and the sliding block 108 is parallel to the axial lead of the control rod 116.
When the positions of the fixing device 101 and the control device 103 need to be adjusted, the control rod 116 is screwed to enable the second clamping block 113 to be far away from the first clamping block 112, at the moment, the volume of the rotating cavity 114 is increased, the rotating block 109 can rotate in the rotating cavity 114, and at the moment, the fixing device 101 and the control device 103 can be adjusted; after the adjustment of the fixing device 101 and the control device 103 is completed, the control rod 116 is screwed again to make the second clamping block 113 approach the first clamping block 112, in this process, the rotating cavity 114 gradually becomes smaller, and finally the rotating block 109 is clamped, so that the rotating block 109 is prevented from rotating.
The locking structure further comprises a screw 111, the base 102 is provided with a chute 117 and a clamping groove 118, the chute 117 and the clamping groove 118 extend in the same direction, the chute 117 is communicated with the clamping groove 118, the two mounting seats 107 are respectively clamped in the chute 117, the screw 111 is in threaded connection with the sliding block 108, and the screw 111 slides along the clamping groove 118. After the positions of the fixing device 101 and the control device 103 are determined, the screw 111 is screwed to enable the sliding block 108 to abut against the bottom plate 106, at the moment, the sliding block 108 and the bottom plate 106 cannot slide relatively any more to finish fixing, meanwhile, the screw 111 slides along the clamping groove 118, and the screw 111 can prevent the sliding block 108 from rotating in the sliding groove 117, so that surgical equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is protected.
The chute 117 is provided as a "T" shaped slot. Such a chute 117 is very convenient in manufacturing, and when the clamping groove 118 is provided, the clamping groove 118 can be directly communicated with the edge portion of the chute 117, so that the operation is more convenient.
Example 2
The embodiment provides knee joint operation equipment, which comprises operation equipment for vertically dragging, separating and resetting the tibia and the femur of a knee joint part.
The knee joint operation device provided by the embodiment comprises the operation device for vertically dragging and separating the tibia and the femur of the knee joint part and resetting, and is very convenient when the tibia is driven into an intramedullary nail.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part is characterized by comprising a fixing device and a base, wherein the fixing device comprises a first support frame and a second support frame, the first support frame and the second support frame are vertically arranged, the joint of the first support frame and the second support frame is rotationally connected with the base, and the axis line of the fixing device rotating relative to the base is vertical to the plane where the first support frame and the second support frame are positioned;
the operation equipment for vertically dragging, separating and resetting the tibia and the femur of the knee joint part further comprises a control device for controlling the angle of the fixing device, wherein the control device is arranged on the base, and the output end of the control device is connected with the first supporting frame;
The control device comprises a telescopic cylinder and a connecting rod, the telescopic cylinder is arranged on the base, the connecting rod is arranged on the telescopic cylinder, the connecting rod slides relative to the telescopic cylinder along the axial lead of the connecting rod, one end of the connecting rod, which is far away from the telescopic cylinder, is rotationally connected with the first support frame, and the axial lead of the connecting rod, which is rotated relative to the first support frame, is parallel to the axial lead of the fixing device, which is rotated relative to the base;
the base comprises a bottom plate and two mounting seats, the two mounting seats are respectively connected with the bottom plate in a sliding manner, the two mounting seats slide relative to the bottom plate along the same straight line, and the fixing device and the control device are respectively arranged on the two mounting seats;
The telescopic cylinder is rotationally connected with the mounting seat, and the axial lead of the telescopic cylinder rotating relative to the mounting seat is parallel to the axial lead of the connecting rod rotating relative to the first support frame;
The mounting seat comprises a sliding block, a rotating block and a locking structure for locking the rotating block, the fixing device is rotationally connected with the rotating block, the sliding block is in sliding connection with the bottom plate, the locking structure is mounted on the sliding block, the rotating block is rotationally connected with the locking structure, the locking structure can selectively lock or unlock the rotating block, and the fixing device and the control device are respectively rotationally connected with the two rotating blocks;
The locking structure comprises a control rod, a first clamping block and a second clamping block, a rotating cavity and an opening are formed between the first clamping block and the second clamping block, the opening is communicated with the rotating cavity, the rotating block is positioned in the rotating cavity and can rotate in the rotating cavity, and the fixing device and the control device are connected with the rotating block through the opening respectively; the control rod passes through the first clamping block and the second clamping block at the same time, the control rod is in threaded connection with the first clamping block, the control rod is clamped in the second clamping block, the second clamping block and the control rod slide synchronously, the first clamping block and the second clamping block are respectively arranged on the sliding block, the second clamping block is in sliding connection with the sliding block, and the sliding axial lead of the second clamping block and the sliding block is parallel to the axial lead of the control rod;
the locking structure further comprises a screw, the base is provided with a sliding groove and a clamping groove, the sliding groove and the clamping groove extend in the same direction, the sliding groove is communicated with the clamping groove, the two mounting seats are respectively clamped in the sliding groove, the screw is in threaded connection with the sliding block, and the screw slides along the clamping groove; the chute penetrates through the bottom plate, and the length of the clamping groove is smaller than that of the chute.
2. The surgical instrument for vertically distracting and distracting a tibia from a femur of a knee in a position of claim 1, wherein said chute is configured as a "T" shaped slot.
3. A knee joint surgical device comprising a surgical device according to any one of claims 1 to 2 for distracting and repositioning the tibia of a knee joint region vertically from the femur.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710944145.0A CN107669350B (en) | 2017-10-11 | 2017-10-11 | Operation equipment for vertically dragging and separating tibia and femur of knee joint part and knee joint operation equipment |
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| CN201710944145.0A CN107669350B (en) | 2017-10-11 | 2017-10-11 | Operation equipment for vertically dragging and separating tibia and femur of knee joint part and knee joint operation equipment |
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| CN109512566B (en) * | 2019-01-15 | 2020-12-11 | 李法群 | Separation traction device for knee joint looseness in rehabilitation department |
| CN109568070A (en) * | 2019-01-28 | 2019-04-05 | 中南大学湘雅医院 | Position-changeable fixing device for knee joint operation |
| CN111956441B (en) * | 2020-08-28 | 2022-09-20 | 北京和华瑞博医疗科技有限公司 | Leg support device |
| CN113040886B (en) * | 2021-03-05 | 2024-10-29 | 嘉思特华剑医疗器材(天津)有限公司 | Force line calibration fixing device |
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