CN113303866B - Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device - Google Patents
Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device Download PDFInfo
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- CN113303866B CN113303866B CN202110625679.3A CN202110625679A CN113303866B CN 113303866 B CN113303866 B CN 113303866B CN 202110625679 A CN202110625679 A CN 202110625679A CN 113303866 B CN113303866 B CN 113303866B
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- 238000005553 drilling Methods 0.000 title claims abstract description 68
- 210000001694 thigh bone Anatomy 0.000 title claims description 14
- 210000000689 upper leg Anatomy 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 description 4
- 208000002847 Surgical Wound Diseases 0.000 description 3
- 210000002436 femur neck Anatomy 0.000 description 3
- 238000002594 fluoroscopy Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 208000032170 Congenital Abnormalities Diseases 0.000 description 1
- 208000009248 Congenital Hip Dislocation Diseases 0.000 description 1
- 208000007446 Hip Dislocation Diseases 0.000 description 1
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 210000000588 acetabulum Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 208000014906 developmental dysplasia of the hip Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000020089 femoral neck fracture Diseases 0.000 description 1
- 208000014829 head and neck neoplasm Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 210000003407 lower extremity of femur Anatomy 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 210000004197 pelvis Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
- A61B17/1668—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip for the upper femur
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1703—Guides or aligning means for drills, mills, pins or wires using imaging means, e.g. by X-rays
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1725—Guides or aligning means for drills, mills, pins or wires for applying transverse screws or pins through intramedullary nails or 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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/107—Visualisation of planned trajectories or target regions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/108—Computer aided selection or customisation of medical implants or cutting guides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2065—Tracking using image or pattern recognition
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Abstract
The invention belongs to the technical field of medical auxiliary equipment, and discloses a proximal femoral Kirschner wire drilling positioning and multi-wire drilling auxiliary device which comprises a base, a support arm seat, a guide hollow tube, a transverse angle-adjustable slide rod, a longitudinal angle-adjustable slide rod, a C-arm perspective sighting device, a positioning piece and a sliding piece, wherein the base is provided with a through hole and a first sliding groove; the invention solves the problems of low accuracy and heavy burden on an operating doctor when the Kirschner wire is used for drilling the proximal femur in the prior art, and is suitable for drilling the proximal femur Kirschner wire.
Description
Technical Field
The invention relates to the technical field of medical auxiliary equipment, in particular to a proximal femur kirschner wire drilling positioning and multi-wire drilling auxiliary device.
Background
The femur (femur) is the longest tubular bone of the human body, and the upper end of the femur (femur) forms a hip joint with the acetabulum and the lower end of the femur (femur) forms a knee joint with the patella and the upper end of the tibia, and is used for supporting the weight of the whole body. The femoral neck and the femoral shaft have two important angle relationships, and on the coronal plane, the neck trunk axes are intersected to form a neck trunk angle; on the horizontal plane, the axis of the tibial neck and the transverse axis of the medial and lateral femoral condyles form an anteversion angle. The cervical shaft angle makes the femoral shaft offset to the outer side of the pelvis to adapt to the requirement of large-amplitude movement of the hip joint, the normal cervical shaft angle of an adult is 125-135 degrees, and the average cervical shaft angle is 127 degrees; the individual difference of the anteversion angles is large, and the average anteversion angle of an adult is 12-15 degrees. Patients with osteoarthritis have an increased anteversion angle, which may exceed the normal value by 10-14 ° for patients with congenital hip dysplasia, and the magnitude of the anteversion angle varies with the degree of hip dislocation.
When a patient suffers from early femoral head necrosis, femoral neck fracture, femoral head and neck tumor and tumor-like lesion or combined deformity, multiple K-wire drilling decompression is needed to be carried out on the femoral head by using multiple K-wires, or multiple K-wires are used for being driven into the femoral head neck for temporary fixation, or 1K-wire is independently used as a guide wire of other internal fixation main nails such as DHS (distributed Hash system). In clinical treatment, because the femoral neck shaft angle and the anteversion angle of each patient are different, the kirschner wire needs to be accurately driven into the center or the specific position of the femoral head and neck, and finally needs to be driven into a proper depth, so that orthopedists need to use a C-arm machine to perform multiple times of perspective and repeated operation in the clinical operation process, and finally can obtain the kirschner wire with satisfactory driving position, angle and depth. And when the fine adjustment operation is repeated, the Kirschner wire is easy to enter the original needle path, so that the adjustment is failed, even a Kirschner wire with a satisfactory position is difficult to obtain at last, and only the Kirschner wire with a common position can be used. Repeated operation and fluoroscopy not only greatly prolongs the operation time, increases the operation cost of the patient and the recovery time after the operation, but also increases the radiation quantity of the C-arm machine received by the operating doctor in the operation process. Therefore, an auxiliary device for drilling the proximal crus wire of the femur and drilling a plurality of wires is urgently needed to improve the accuracy of drilling, reduce the burden of a doctor in the operation process, shorten the operation time and reduce the operation cost of a patient.
Disclosure of Invention
The invention aims to provide a drilling positioning and multi-pin drilling auxiliary device for a proximal femur Kirschner wire, and aims to solve the problems of low accuracy and heavy operation burden of doctors when the proximal femur Kirschner wire is used for drilling holes in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the basic technical scheme provided by the invention is as follows: a thighbone near-end Kirschner wire drilling positioning and multi-wire drilling auxiliary device comprises a base and a positioning piece, wherein the base is provided with a through hole, one surface of the base is in contact with thighbone, the other surface of the base is provided with a first chute, the first chute is in sliding connection with a universal drilling guider, the universal drilling guider comprises a supporting arm seat, a guiding hollow tube, a transverse angle-adjustable sliding rod and a longitudinal angle-adjustable sliding rod, the supporting arm seat is provided with a limiting bulge, the limiting bulge is in sliding connection with the first chute, the supporting arm seat comprises two supporting arms, the two supporting arms are both connected with a sliding wall, the sliding wall is provided with a sliding bulge, the guiding hollow tube penetrates through the supporting arm seat and is arranged in the through hole, the left side and the right side of the transverse angle-adjustable sliding rod are both provided with second chutes, and the second chutes are matched with the sliding bulge, horizontal spout has all been seted up to the upper and lower both sides of horizontal adjustable angle litter, vertical adjustable angle litter is connected with spacing ballly, spacing ballly with horizontal spout sliding connection, horizontal adjustable angle litter with vertical adjustable angle litter is "T" font and connects, vertical spout has still been seted up to vertical adjustable angle litter, vertical spout sliding connection has the slider, the inner wall connection of slider has the direction arch, the guide way has been seted up to the outer wall of direction hollow tube, the direction arch with the guide way cooperation sets up, the outer wall of slider is equipped with the sliding ball, the sliding ball with vertical spout sliding connection, the setting element includes many guide cylinders, the setting element is used for squeezing into the location to thighbone kirschner's needle.
The principle of the basic technical scheme is as follows: the neck shaft angle and the anteversion angle of the thighbone of a patient are calculated after CT scanning three-dimensional modeling is carried out on the thighbone before an operation, then the whole auxiliary device is installed, the limiting protrusion is clamped in the first sliding groove to connect the support arm seat with the base, the guide hollow tube penetrates the sliding piece and the support arm seat sequentially to locate the free end of the guide hollow tube in the through hole of the base, then the second sliding groove of the transverse angle-adjustable sliding rod is connected with the sliding protrusion in a sliding mode, the limiting sliding ball on the longitudinal angle-adjustable sliding rod is connected with the transverse sliding groove in a sliding mode, and installation of the universal drilling guider is completed. Adjusting the angle of a guide hollow tube according to the degree of a femoral neck trunk angle and a front rake angle calculated by CT before operation, sliding a longitudinal angle-adjustable slide rod along a transverse sliding chute to adjust the angle (front rake angle) of a drilling hole in the horizontal direction, sliding a slide member along the longitudinal sliding chute to adjust the angle (neck trunk angle) of the drilling hole in the vertical direction, sliding the transverse angle-adjustable slide rod on a sliding arm back and forth after the direction and the angle of the drilling hole are determined, so as to adapt to the depth of surgical incisions of different patients, abutting a base with the femur, connecting a C-arm perspective sighting device at the tail end of the guide hollow tube, determining the needle feeding point and the depth through C-arm perspective, adjusting the drilling height of a Kirschner wire along a support arm seat which slides up and down along a first sliding chute, taking down the C-arm perspective sighting device, directly driving in the Kirschner wire according to the required depth, taking down the base and a universal drilling guide part when a second or a plurality of Kirschner wires need to be driven in, any guide cylinder of the positioning piece is sleeved with the driven Kirschner wire for positioning, and the driving of the rest Kirschner wires is completed by other guide cylinders.
The beneficial effects of the basic technical scheme are as follows: the information such as the height, the depth and the like of the needle inserting point of the Kirschner wire can be determined only by one-time intraoperative fluoroscopy, so that the repeated forward and lateral fluoroscopy in the operation is avoided to confirm the needle inserting direction, angle and depth of the Kirschner wire, and the operation burden of a doctor is reduced; the first sliding groove realizes the adjustment of the drilling height, the sliding of the supporting arm realizes the adjustment of the depths of the surgical incisions of different patients, the horizontal angle (front rake angle) of the drilling is adjusted by the transverse sliding groove, the vertical angle (neck angle) of the drilling is adjusted by the longitudinal sliding groove, the position of the drilling is accurate, and the accuracy is high; the operation time is short, and the operation cost is low.
Preferably, the surface of the base, which is in contact with the femur, is in the shape of a circular arc.
Through the arrangement, the circular arc-shaped contact surface is tightly attached to the outer side of the femur, so that the whole auxiliary device is conveniently positioned, and the accuracy of drilling is ensured.
Preferably, two support arms are inclined towards two sides in a splayed shape.
Through the arrangement, the muscles outside the thighbone in the incision can be retracted to two sides, the supporting arm slides to adjust the surgical incision depth of different patients, and the complex and large guider is arranged outside the incision, so that a doctor can operate from the outside of the incision conveniently.
Preferably, the free end of the guide hollow tube is connected with a C-arm perspective sighting device, the C-arm perspective sighting device is U-shaped, one end of the U-shaped C-arm perspective sighting device is connected with the guide hollow tube, and the outer wall of the other end of the U-shaped C-arm perspective sighting device is provided with a scale protrusion.
Through the setting, the C arm perspective sight is inserted to direction hollow tube end, confirms the height and the degree of depth of ke shi needle under C arm machine perspective, and U "shape C arm perspective sight slides from top to bottom along with hollow guide tube together, is convenient for adjust the height of ke shi needle point of advancing, knows the degree of depth and the length of required ke shi needle that the ke shi needle was beaten into with the help of the protruding doctor of scale simultaneously.
Preferably, the upper surface of the horizontal angle-adjustable sliding rod is carved with horizontal angle scales, and the left side wall and the right side wall of the vertical angle-adjustable sliding rod are carved with vertical angle scales.
Through the setting, the horizontal angle and the vertical angle of drilling are conveniently and accurately known by means of the horizontal angle scale and the longitudinal angle scale, and the accuracy of drilling is ensured.
Preferably, the guide cylinder comprises a first guide cylinder and a second guide cylinder, and an included angle between the first guide cylinder and the second guide cylinder is 15 °.
Through the arrangement, the first guide cylinder and the first Kirschner wire are sleeved for auxiliary positioning, a second Kirschner wire with an included angle of 15 degrees with the first Kirschner wire is driven in, and the relative positions of the two Kirschner wires are accurate.
Preferably, the first guide cylinder and the second guide cylinder are parallel to each other.
Through the arrangement, the second Kirschner wire parallel to the first Kirschner wire is driven in, and the relative positions of the two Kirschner wires are accurate.
Drawings
FIG. 1 is a schematic structural view of a proximal femur Kirschner wire drilling positioning and multi-wire drilling auxiliary device according to an embodiment of the present invention;
FIG. 2 is an exploded view of a proximal femoral Kirschner wire drilling positioning and multi-wire drilling assist device of the present invention;
FIG. 3 is an exploded view of the universal drill guide portion of the proximal femoral Kirschner wire drill positioning and multi-wire drill assisting device of the present invention;
FIG. 4 is a schematic structural view of a base of a proximal femoral Kirschner wire drilling positioning and multi-wire drilling auxiliary device of the present invention;
FIG. 5 is a schematic structural view of an arm support of the proximal femoral Kirschner wire drilling positioning and multi-wire drilling auxiliary device of the present invention;
FIG. 6 is a schematic structural view of two guide cylinders at 15 ° for the proximal femoral Kirschner wire drilling positioning and multi-wire drilling auxiliary device positioning member of the present invention;
FIG. 7 is a schematic structural view of two parallel guide cylinders for drilling positioning of a proximal femoral Kirschner wire and positioning of a multi-wire drilling auxiliary device according to the present invention;
the names of corresponding labels in the drawings are:
the device comprises a femur 1, a base 2, a through hole 21, a first sliding groove 22, a support arm seat 3, a limiting protrusion 31, a support arm 32, a sliding wall 33, a sliding protrusion 34, a guide hollow tube 4, a guide groove 41, a transverse angle-adjustable sliding rod 5, a second sliding groove 51, a transverse sliding groove 52, a transverse angle scale 53, a longitudinal angle-adjustable sliding rod 6, a longitudinal sliding groove 61, a limiting sliding ball 62, a longitudinal angle scale 63, a C-arm perspective sighting device 7, a scale protrusion 71, a positioning part 8, a first guide cylinder 81, a second guide cylinder 82, a sliding part 9, a sliding ball 91 and a guide protrusion 92.
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments:
example 1: as shown in fig. 1 to 6, a proximal femur kirschner wire drilling positioning and multi-pin drilling auxiliary device comprises a base 2 and a positioning part 8, wherein the base 2 is provided with a through hole 21, one surface of the base 2 contacting with a femur 1 is arc-shaped, the other surface of the base 2 is provided with a first chute 22, the first chute 22 is connected with a universal drilling guider in a sliding way, the universal drilling guider comprises a support arm seat 3, a guiding hollow tube 4, a sliding rod 5 with a transverse adjustable angle and a sliding rod 6 with a longitudinal adjustable angle, the support arm seat 3 is integrally formed with a limiting bulge 31, the limiting bulge 31 is connected with the first chute 22 in a sliding way, the support arm seat 3 comprises two support arms 32, the two support arms 32 are inclined towards two sides in a shape like a Chinese character 'eight', the tail ends of the two support arms 32 are fixedly bonded with sliding walls 33, the two sliding walls 33 are parallel to each other, the sliding walls 33 are both provided with sliding bulges 34, the left end of the guiding hollow tube 4 penetrates through the support arm seat 3 and is arranged in the through hole 21, the right end of the guide hollow pipe 4 is connected with a U-shaped C-arm perspective sighting device 7 in a pipe connection mode, one side of the U-shaped C-arm perspective sighting device 7 is long, the other side of the U-shaped C-arm perspective sighting device is short, the short side of the U-shaped C-arm perspective sighting device 7 is connected with the guide hollow pipe 4 in a pipe connection mode, scale protrusions 71 are integrally formed on the upper surface and the lower surface of the long side of the U-shaped C-arm perspective sighting device every 1cm, second sliding grooves 51 are formed in the left side and the right side of the transverse angle-adjustable sliding rod 5 respectively, the second sliding grooves 51 are matched with the sliding protrusions 34, transverse sliding grooves 52 are formed in the upper side and the lower side of the transverse angle-adjustable sliding rod 5 respectively, transverse angle scales 53 are 3 degrees in each grid, transverse angle scales are adjusted by 30 degrees in the left side and the right side respectively, a limiting sliding ball 62 is fixedly bonded on the longitudinal angle-adjustable sliding rod 6, the limiting sliding ball 62 is connected with the transverse sliding grooves 52 in a sliding rod shape, the transverse angle-adjustable sliding rod 5 is connected with the longitudinal angle-adjustable sliding rod 6 in a T shape, longitudinal angle scale 63 has been seted up to the left and right sides surface of vertical adjustable angle litter 6, every check of longitudinal angle scale 63 has 5, longitudinal angle scale 63 downwardly adjusting range is 60, vertical spout 61 has still been seted up to vertical adjustable angle litter 6, vertical spout 61 sliding connection has slider 9, the inner wall connection of slider 9 has guide protrusion 92, guide way 41 has been seted up to the outer wall of direction hollow tube 4, guide protrusion 92 and guide way 41 cooperation setting, slider 9's outer wall integrated into one piece has sliding ball 91, sliding ball 91 and vertical spout 61 sliding connection, setting element 8 includes first guide cylinder 81 and second guide cylinder 82, the contained angle of first guide cylinder 81 and second guide cylinder 82 is 15, setting element 8 is used for fixing a position when beating into ke shi needle to thighbone 1 many.
The specific implementation process is as follows:
when the auxiliary device is used, before operation, CT scanning modeling is firstly carried out on the thighbone 1, the neck trunk angle and the anteversion angle of the thighbone 1 are calculated, then the longitudinal angle-adjustable slide rod 6 is slid along the transverse sliding groove 52, the slide member 9 is slid along the longitudinal sliding groove 61 to adapt to the drilling angle of the auxiliary device during hole forming, after the whole auxiliary device is installed and adjusted, the transverse angle-adjustable slide rod 5 can slide along the slide protrusion 34 according to the depth of a cut, the arc surface of the base 2 is tightly attached to the bone cortex outside the lower part of the tuberosity of the thighbone 1, under the assistance of the C-arm perspective sighting device 7, the height of the support arm seat 3 is vertically slid along the first sliding groove 22 to determine a needle feeding point, then the kirschner wires are directly driven in, if needed, a plurality of kirschner wires are simultaneously driven in, components such as the base 2 and a universal drilling guider are taken down, the first guide cylinder 81 of the positioning piece 8 is utilized to be sleeved and positioned with the driven kirschner wires, then another kirschner wire is driven into the second guide cylinder 82, so that a kirschner wire which forms an included angle of 15 degrees with the first kirschner wire can be obtained.
Example 2: as shown in fig. 7, the first guide cylinder 81 and the second guide cylinder 82 of the present embodiment are parallel to each other, and the rest is the same as embodiment 1.
The above description is only an example of the present invention, and the common general knowledge of the technical solutions or characteristics known in the solutions is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a thighbone near-end ke shi needle drilling location and many needles drilling auxiliary device which characterized in that: comprises a base (2) and a positioning piece (8), the base (2) is provided with a through hole (21), one side of the base (2) is contacted with a femur (1), the other side of the base (2) is provided with a first sliding chute (22), the first sliding chute (22) is connected with a universal drilling guider in a sliding way, the universal drilling guider comprises a supporting arm seat (3), a guiding hollow tube (4), a transverse angle-adjustable sliding rod (5) and a longitudinal angle-adjustable sliding rod (6), the supporting arm seat (3) is provided with a limiting bulge (31), the limiting bulge (31) is connected with the first sliding chute (22) in a sliding way, the supporting arm seat (3) comprises two supporting arms (32), the two supporting arms (32) are both connected with a sliding wall (33), the sliding wall (33) is both provided with a sliding bulge (34), the guiding hollow tube (4) is arranged on the supporting arm seat (3) in the through hole (21), the left side and the right side of the transverse angle-adjustable sliding rod (5) are respectively provided with a second sliding chute (51), the second sliding chutes (51) are matched with the sliding protrusions (34), the upper side and the lower side of the transverse angle-adjustable sliding rod (5) are respectively provided with a transverse sliding chute (52), the longitudinal angle-adjustable sliding rod (6) is connected with a limiting sliding ball (62), the limiting sliding ball (62) is in sliding connection with the transverse sliding chute (52), the transverse angle-adjustable sliding rod (5) is in T-shaped connection with the longitudinal angle-adjustable sliding rod (6), the longitudinal angle-adjustable sliding rod (6) is further provided with a longitudinal sliding chute (61), the longitudinal sliding chute (61) is in sliding connection with a sliding part (9), the inner wall of the sliding part (9) is connected with a guide protrusion (92), the outer wall of the guide hollow tube (4) is provided with a guide groove (41), the direction protruding (92) with guide way (41) cooperation sets up, the outer wall of slider (9) is equipped with sliding ball (91), sliding ball (91) with vertical spout (61) sliding connection, setting element (8) include many guide cylinders, setting element (8) are used for to thighbone (1) squeeze into the kirschner wire location.
2. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the base (2) is arc-shaped on the surface contacted with the femur (1).
3. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the two supporting arms (32) are inclined towards two sides in a splayed shape.
4. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the free end of direction hollow tube (4) is connected with C arm perspective sight (7), C arm perspective sight (7) are "U" shape, "U" shape C arm perspective sight (7) one end with direction hollow tube (4) are connected, "U" shape the outer wall of C arm perspective sight (7) other end is equipped with scale protrusion (71).
5. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the upper surface of the transverse angle-adjustable sliding rod (5) is carved with transverse angle scales (53), and the left side wall and the right side wall of the longitudinal angle-adjustable sliding rod (6) are carved with longitudinal angle scales (63).
6. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the guide cylinder comprises a first guide cylinder (81) and a second guide cylinder (82), and an included angle between the first guide cylinder (81) and the second guide cylinder (82) is 15 degrees.
7. The proximal femoral Kirschner wire drilling positioning and multi-wire drilling aid of claim 1, wherein: the guide cylinder comprises a first guide cylinder (81) and a second guide cylinder (82), and the first guide cylinder (81) and the second guide cylinder (82) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110625679.3A CN113303866B (en) | 2021-06-04 | 2021-06-04 | Thighbone near-end kirschner wire drilling location and many needles drilling auxiliary device |
Applications Claiming Priority (1)
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| CN114521967B (en) * | 2022-02-22 | 2024-01-23 | 上海微创医疗机器人（集团）股份有限公司 | Mechanical arm and medical trolley |
| CN114917013B (en) * | 2022-04-12 | 2024-03-22 | 吉林大学 | Multi-pose Kirschner wire clamp holder for robot-assisted fracture reduction operation |
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