CN108186106B - Orthopedics Kirschner wire positioning guider capable of automatically rising - Google Patents
Orthopedics Kirschner wire positioning guider capable of automatically rising Download PDFInfo
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- CN108186106B CN108186106B CN201810051867.8A CN201810051867A CN108186106B CN 108186106 B CN108186106 B CN 108186106B CN 201810051867 A CN201810051867 A CN 201810051867A CN 108186106 B CN108186106 B CN 108186106B
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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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
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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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/90—Guides therefor
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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
- A61B90/11—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 with guides for needles or instruments, e.g. arcuate slides or ball joints
- A61B90/13—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 with guides for needles or instruments, e.g. arcuate slides or ball joints guided by light, e.g. laser pointers
-
- 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)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Animal Behavior & Ethology (AREA)
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- Oral & Maxillofacial Surgery (AREA)
- Optics & Photonics (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an orthopedic Kirschner wire positioning guider capable of automatically lifting, which comprises an operating console, a lifting unit, a steering unit and a guiding unit, wherein the lifting unit comprises a supporting sleeve, a regulating rod, a lifting sleeve and a quick locking switch, a connecting seat is arranged on the side wall of the lifting sleeve, the quick locking switch is assembled on the connecting seat, the steering unit comprises a cylinder body, a lower gasket, a ball body, an upper gasket, a locking block, a cover plate and a locking knob assembly are sequentially arranged in the cylinder body from bottom to top, a first fixing arm is arranged on the cylinder body, the end part of the first fixing arm is provided with a guiding ring, the guiding ring is fixedly connected with the upper end part of the regulating rod, a second fixing arm is arranged at the lower end part of the ball body, a sleeve is arranged at the lower end part of the second fixing arm, the guiding unit comprises a guiding target sleeve, a sliding arm and a guiding sleeve, wherein the sliding arm and the guiding sleeve are integrated with the guiding target sleeve The method is described.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an orthopedic Kirschner wire positioning guider capable of automatically lifting.
Background
Fracture refers to a disease of partial or complete fracture of bone due to trauma or pathology, when treating fracture, the broken end of the displaced bone after fracture is usually restored to normal or close to the original normal position, after fracture reduction, the bone is easy to be displaced again because of its instability, so it should be fixed on the satisfied position by different methods to heal gradually, and the fixing method includes external fixation and internal fixation.
The Kirschner wire fixation is a common internal fixation method, usually adopts the Kirschner wire fixation for some unstable fractures, and has better clinical Kirschner wire fixation effect for short bones, irregular bones, adjacent joint fracture fixation and trans-joint fixation;
when fixing the kirschner wire, at first need install the one end of kirschner wire on the electric drill, then open the electric drill, squeeze into the skeleton that needs to be fixed with the kirschner wire, the kirschner wire need be squeezed into according to predetermined angle and position accuracy, in operation process, the doctor holds the electric drill in case and takes place the shake, cause the angle and the position of squeezing into inaccurate, at this moment just need extract the kirschner wire, squeeze into again, often need squeeze into many times for an operation, invisibly aggravated vice damage, further destroyed the blood supply, the operation time has been prolonged, and then influenced treatment, angle and position at the process of squeezing into the kirschner wire are difficult to master, so the disposable success rate of kirschner wire fixation operation is lower.
Disclosure of Invention
The invention aims to solve the technical problem of providing the orthopedic Kirschner wire positioning guider capable of automatically lifting, which has the advantages of reasonable design, labor-saving lifting adjustment and accurate positioning, is suitable for inserting and fixing needles in various directions and can ensure that the Kirschner wire can be accurately driven into the needle according to a preset angle and position.
The technical scheme adopted by the invention for solving the technical problems is as follows:
An orthopedic Kirschner wire positioning guider capable of automatically rising comprises an operating platform, a lifting unit, a steering unit and a guiding unit, wherein the lifting unit is vertically arranged on the operating platform and comprises a supporting sleeve, a regulating rod, a lifting sleeve and a quick locking switch, the supporting sleeve is connected with the regulating rod in a buckling way, the upper end of the supporting sleeve is fixedly provided with the lifting sleeve, the side wall of the lifting sleeve is provided with a connecting seat, the connecting seat is provided with the quick locking switch for preventing the regulating rod from stretching, the steering unit comprises a barrel, a lower gasket, a ball body, an upper gasket, a locking block, a cover plate and a locking knob assembly are sequentially arranged in the barrel from bottom to top, the lower end of the ball body is exposed out of the lower end part of the barrel, the ball body is rotatably arranged between the lower gasket and the upper gasket, a stud in the locking knob assembly penetrates through a through hole, the ball body is locked to prevent the ball body from rotating, a first fixing arm is arranged on the barrel body, a guide ring is arranged at the end part of the first fixing arm and is fixedly connected with the upper end part of the adjusting rod, a steering unit vertically ascends and descends within a controllable distance along the central axis direction of the ascending and descending unit, a second fixing arm is arranged at the lower end part of the ball body, a sleeve is arranged at the lower end part of the second fixing arm, the guide unit comprises a guide target sleeve, a sliding arm integrated with the guide target sleeve and a guide sleeve, the guide sleeve consists of a fixing seat and a guide needle sleeve, the guide needle sleeve is arranged in the guide target sleeve in a penetrating mode, a guide needle hole matched with a Kirschner needle is formed in the center of the guide sleeve, the sliding arm is movably arranged in the sleeve in a penetrating mode, a plug in sliding fit with the inner wall of the support sleeve is arranged at the bottom end part of, the lower end of the supporting sleeve is provided with a prism, and the operating platform is provided with a prism hole which is fixed with the prism in an interference fit manner.
In order to optimize the technical scheme, the adopted measures further comprise:
The sleeve is provided with a screw hole and is connected with a fastening screw for locking the sliding arm.
Foretell regulation pole one side is erected along being equipped with the guide way, has set the altitude mixture control spur rack in the guide way, has set the gear in the connecting seat, and the gear contradicts with the fast switch of locking and cooperates to be connected with spur rack meshing transmission, gear both ends face and guide way lateral wall sliding fit.
The quick lock switch comprises a spanner, a rivet, a locking seat, a locking rod, a spring, a brake sheet and a lock head, wherein the lock head is provided with a slotted hole matched with the brake sheet, one end of the brake sheet is in interference connection with the slotted hole on the lock head, one end of the spanner is symmetrically provided with two connecting sheets, the connecting sheets are respectively provided with an oval locking hole, the locking holes are mutually connected with the rivet, so that the wrench can rotate by taking the rivet as an axis, the rivet is fixedly arranged at the end part of the lock rod, the lock rod sequentially passes through the locking seat, the through hole oppositely arranged on the connecting seat, the gear and the spring in the connecting seat and is in threaded connection with the lock head, the lock head presses the brake sheet into the corresponding slot hole on the connecting seat, and the end face of the brake sheet is matched with the end face of the gear, one end of the locking seat is provided with an arc surface matched with the connecting sheet, the other end of the locking seat is provided with a plane matched with the connecting seat, and the main body shape of the wrench is matched with the lifting sleeve.
the upper end surface of the lower gasket is sunken towards the center to form an arc surface matched with the ball body, and the lower end surface of the upper gasket is sunken towards the center to form an arc surface matched with the ball body.
The center of the cover plate is upwards provided with a connecting cylinder, the connecting cylinder is provided with a stop groove, the locking knob assembly further comprises an adjusting nut, the lower end of the screwing nut is provided with a groove matched with the connecting cylinder, a convex rib matched with the stop groove is arranged in the groove, the adjusting nut rotates around the connecting cylinder and cannot be pulled out, the center of the adjusting nut is provided with a screw hole matched with the double-screw bolt, a wear-resistant pad is arranged between the adjusting nut and the cover plate, and the lower end of the double-screw bolt is provided with a convex ring body for preventing the double-screw.
The four corners of the bottom surface of the operating platform are provided with anti-skid pads.
The first fixing arm is perpendicular to the lifting unit.
The guide target sleeve is provided with a mounting seat, and a laser indicator is arranged in the mounting seat.
The invention relates to an orthopedic Kirschner wire positioning guider capable of automatically lifting, which comprises an operating platform, a lifting unit, a steering unit and a guiding unit, wherein the lifting unit is vertically arranged on the operating platform and comprises a supporting sleeve, an adjusting rod, a lifting sleeve and a quick locking switch, the supporting sleeve is in inserted-buckled connection with the adjusting rod, the upper end of the supporting sleeve is fixedly provided with the lifting sleeve, the side wall of the lifting sleeve is provided with a connecting seat, the connecting seat is provided with the quick locking switch used for preventing the adjusting rod from stretching, the steering unit comprises a cylinder body, a lower gasket, a ball body, an upper gasket, a locking block, a cover plate and a locking knob assembly are sequentially arranged in the cylinder body from bottom to top, the lower end of the ball body is exposed out of the lower end part of the cylinder body, the ball body is rotatably arranged between the lower gasket and the upper gasket, a stud in the locking, the guiding unit comprises a guiding target sleeve, a sliding arm and a guiding sleeve, wherein the sliding arm and the guiding sleeve are integrated with the guiding target sleeve, the guiding sleeve consists of a fixed seat and a guiding needle sleeve, the guiding needle sleeve is arranged in the guiding target sleeve in a penetrating mode, a guiding needle hole matched with the Kirschner wire is formed in the center of the guiding sleeve, the sliding arm can be movably arranged in the sleeve in a penetrating mode, the design is reasonable, the positioning is accurate, the guiding needle is suitable for being inserted and fixed in various directions, and meanwhile the deviation of the Kirschner wire when the Kirschner wire penetrates into a human body is effectively prevented.
The invention has the following advantages:
1. When the Kirschner wire is used for fixing, the needle does not need to be guided by hands, and the guiding unit guides the insertion of the Kirschner wire, so that the condition that the Kirschner wire deviates when being inserted into a human body is effectively prevented;
2. The lifting unit can automatically ascend, the operation is convenient, the adjusting time is saved, the most suitable height is selected, the steering unit can rotate randomly, and the optimal needle inserting angle is selected;
3. The device is suitable for the kirschner wires with different thicknesses, and when the kirschner wires with different thicknesses are used, only the guide sleeve matched with the kirschner wires needs to be replaced, so that the medical cost is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the lifting unit;
FIG. 4 is a cross-sectional view B-B of FIG. 1;
Fig. 5 is a schematic diagram of a quick lock switch.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 5 are schematic structural views of the present invention.
wherein the reference numerals are: the operating table 1, the non-slip mat 11, the lifting unit 2, the support sleeve 21, the adjusting rod 22, the guide groove 221, the spur rack 222, the plug 223, the screw 224, the lifting sleeve 23, the connecting seat 24, the steering unit 3, the cylinder 31, the lower washer 32, the ball 33, the second fixing arm 331, the sleeve 332, the upper washer 34, the locking block 35, the cover plate 36, the connecting cylinder 361, the stop groove 362, the locking knob component 37, the stud 371, the adjusting nut 372, the device comprises a wear-resistant pad 373, a convex ring body 374, a first fixing arm 38, a guide ring 39, a guide unit 4, a guide target sleeve 41, a mounting seat 411, a sliding arm 42, a guide sleeve 43, a fixing seat 44, a guide pin sleeve 45, a guide pin hole 46, a fastening screw 47, a quick lock switch 5, a gear 51, a wrench 52, a connecting piece 521, a locking hole 522, a rivet 53, a locking seat 54, a locking rod 55, a spring 56, a brake sheet 57, a locking head 58, a laser indicator 6 and a lifting spring body 7.
fig. 1 to 5 are schematic structural views of the present invention.
As shown in the figure:
the utility model provides an orthopedics kirschner wire location director that can rise automatically, including operation panel 1, lifting unit 2, turn to unit 3, guide unit 4, vertically on the operation panel 1 be provided with lifting unit 2, lifting unit 2 includes support sleeve 21, adjust the pole 22, lifting sleeve 23, quick lock switch 5, support sleeve 21 and regulation pole 22 eye-splice are connected, pulling or pressing regulation pole 22 alright obtain desired height, the upper end of support sleeve 21 is fixed with lifting sleeve 23, adjust pole 22 and lifting sleeve 23 sliding fit, adjust pole 22 can be flexible from top to bottom, lifting sleeve 23 lateral wall system has connecting seat 24, be equipped with quick lock switch 5 that is used for preventing adjusting pole 22 flexible on connecting seat 24, use quick lock switch 5 to pin when adjusting pole 22 to desired height, turn to unit 3 includes barrel 31, it 32, the lower packing ring 32, guide unit 4 to set gradually from bottom to top in barrel 31, The ball 33, the upper washer 34, the locking block 35, the cover plate 36, the locking knob assembly 37, the lower end of the ball 33 is exposed out of the lower end of the cylinder 31, the ball 33 is rotatably arranged between the lower washer 32 and the upper washer 34, the stud 371 in the locking knob assembly 37 passes through the through hole on the cover plate 36 to be matched with the locking block 35, the stud 371 is rotated, the locking block 35 moves downwards to press the upper washer 34, the ball 33 is locked to prevent the ball 33 from rotating, the cylinder 31 is provided with a first fixing arm 38, the end of the first fixing arm 38 is provided with a guide ring 39, the guide ring 39 is fixedly connected with the upper end of the adjusting rod 22 through threads, the steering unit 3 vertically ascends and descends within a controllable distance along the central axis direction of the ascending and descending unit 2, the lower end of the ball 33 is provided with a second fixing arm 331, the lower end of the second fixing arm 331 is provided with a, the guide sleeve 43 is composed of a fixed seat 44 and a guide needle sleeve 45, the guide needle sleeve 45 is arranged in the guide target sleeve 41 in a penetrating manner, a guide needle hole 46 matched with the Kirschner wire is arranged in the center of the guide sleeve 43 and plays a role in guiding the Kirschner wire, the deviation of the Kirschner wire when the Kirschner wire is inserted into a human body is effectively prevented, the sliding arm 42 is movably arranged in the sleeve in a penetrating manner and can rotate and slide along the axial direction of the sleeve, the lifting unit is used for adjusting the heights of the steering unit, the guiding unit and the fracture part, the steering unit is used for adjusting the inserting angle of the Kirschner wire, the guiding unit can guide the Kirschner wire, the guiding direction is ensured not to deviate in the drilling process, the sliding arm is movably arranged in the sleeve in a penetrating manner, the angle and the position of the guide sleeve can be secondarily adjusted, and the Kirschner wire can be inserted according to the preset angle and position, the bottom end of the adjusting rod 22 is provided with a plug 223 which is in sliding fit with the inner wall of the supporting sleeve 21, the supporting sleeve 21 is internally embedded with a lifting spring body 7, one end of the lifting spring body 7 is in abutting connection with the bottom end of the supporting sleeve 21, the other end of the lifting spring body is in abutting connection with the lower end part of the plug 223, the quick locking switch 5 is opened, the automatic upward resetting force during height adjustment is improved by utilizing the elasticity principle, the adjusting rod 22 is automatically lifted, the lower end of the supporting sleeve 21 is provided with a prism 224, the operating table 1 is provided with a prism hole which is fixed in interference fit with the prism 224, the angle can be adjusted more easily during the assembly process, the assembly is convenient, the adjusting rod needs to be pressed into the supporting sleeve after the operation, the storage is facilitated, the height adjustment during the next use is facilitated, the ball is rotatably arranged between the lower gasket and the upper, the optimal needle inserting angle can be selected, the sliding arm can be movably arranged in the sleeve in a penetrating mode, the sliding arm is pulled out or pushed in, the distance adjustment and the secondary adjustment of the needle inserting angle can be carried out, and the kirschner wire can be guided according to the preset needle inserting angle and the preset position positioning.
In an embodiment, the sleeve 332 is provided with a screw hole and is connected with a fastening screw 47 for locking the sliding arm 42, and the fastening screw is provided with a small wrench for screwing, so that the sliding arm can be locked after the needle insertion angle is adjusted.
In the embodiment, a guide groove 221 is arranged on the vertical edge of one side of the adjusting rod 22, a height adjusting spur rack 222 is arranged in the guide groove 221, the height adjusting spur rack is embedded in the guide groove, the adjusting rod is meshed with the gear to drive so that the telescopic amount of the adjusting rod is more accurate, the shaking of the adjusting rod in the telescopic process is prevented, the gear 51 is arranged in the connecting seat 24, the gear 51 is in interference fit with the quick locking switch 5, the quick locking switch 5 can control the braking of the gear, and is engaged and connected with the spur rack 222 in a transmission way, so that the phenomenon that the lifting height is too high or too low and the height is not easy to fix and slide off after lifting is solved, the lifting height is more accurate, the requirements of more different heights are met, the lifting is carried out to the most satisfactory height, meanwhile, the height after lifting is more stable, the two end faces of the gear 51 are in sliding fit with the side walls of the guide groove 221, the adjusting rod 22 can be guided to vertically extend and retract, and rotation cannot occur in the extending and retracting process.
In the embodiment, the quick-locking switch 5 includes a wrench 52, a rivet 53, a locking seat 54, a locking rod 55, a spring 56, a brake sheet 57, and a locking head 58, wherein a slot hole matching with the brake sheet 57 is formed on the locking head 58, one end of the brake sheet 57 is in interference connection with the slot hole on the locking head 58, two connecting sheets 521 are symmetrically formed at one end of the wrench 52, elliptical locking holes 522 are formed on the connecting sheets 521, the locking holes 522 are connected with the rivet 53, so that the wrench 52 can rotate around the rivet 53, the rivet 53 is fixedly arranged at the end of the locking rod 55, the locking rod 55 sequentially passes through the locking seat 54, through holes oppositely formed on the connecting seat 24, the gear 51 and the spring 56 in the connecting seat 24 and is in threaded connection with the locking head 58, after connection, the spring 56 is located between the locking head 58 and the connecting seat 24, the locking head 58 presses the brake sheet 57 into the corresponding slot hole on the connecting, the one end of locking seat 54 is provided with the arc surface with connection piece 521 complex, the other end of locking seat 54 is equipped with the plane with connecting seat 24 complex, the major structure shape and the outer surface adaptation of lifting sleeve 23 of spanner 52, control through spanner 52's rotation and stop piece 57 terminal surface and gear 51 terminal surface braking, open spanner 52, spring 56 extends, make the piece 57 of stopping no longer contact with gear 51, the gear alright rotate, thereby it is flexible to make regulation pole 22 with spur rack 222 meshing transmission, press and close spanner 52, the spanner has the pulling force to tapered end 58, make the compression of spring 56, the piece of stopping contacts with gear 51, make the gear no longer rotatory, the piece quantity of stopping is two, it is effectual to use the locking of stopping piece.
In the embodiment, the upper end of the lower washer 32 is recessed towards the center to form an arc surface matched with the ball 33, and the lower end of the upper washer 34 is recessed towards the center to form an arc surface matched with the ball 33, so that the ball can rotate more conveniently, and the ball can be locked conveniently.
In the embodiment, the center of the cover plate 36 is upward provided with a connecting cylinder 361, the connecting cylinder 361 is provided with a stop groove 362, the locking knob assembly 37 further comprises an adjusting nut 372, the lower end of the screwing nut is provided with a groove matched with the connecting cylinder 361, a convex rib matched with the stop groove 362 is arranged in the groove, the adjusting nut 372 rotates around the connecting cylinder 361 and cannot be pulled out, the center of the adjusting nut 372 is provided with a screw hole matched with the stud 371, a wear-resistant pad 373 is arranged between the adjusting nut 372 and the cover plate 36, and the lower end of the stud 371 is provided with a screw-resistant convex ring body 374.
In the embodiment, four corners of the bottom surface of the operating table 1 are provided with anti-slip pads 11, and the operating table 1 can be placed on an operating table to prevent the operating table from sliding.
in the embodiment, the first fixing arm 38 is perpendicular to the lifting unit 2.
In the embodiment, the guide target sleeve 41 is provided with the mounting seat 411, the laser indicator 6 is arranged in the mounting seat 411, the laser indicator 6 is a small laser pen, the laser indicator 6 is arranged, so that the Kirschner wire can be simulated when the needle insertion angle is adjusted, and the needle insertion point can be determined by dropping a laser point on the skin.
while the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.
Claims (6)
1. An orthopaedics kirschner wire positioning guider capable of automatically rising is characterized in that: including operation panel (1), lifting unit (2), turn to unit (3), guide unit (4), vertically on operation panel (1) be provided with lifting unit (2), lifting unit (2) are including support sleeve (21), regulation pole (22), lifting sleeve (23), fast lock switch (5), support sleeve (21) with adjust pole (22) eye-splice and connect, the upper end of support sleeve (21) is fixed with lifting sleeve (23), and lifting sleeve (23) lateral wall system has connecting seat (24), be equipped with on connecting seat (24) and be used for preventing to adjust flexible fast lock switch (5) of pole (22), turn to unit (3) and include barrel (31), by supreme lower packing ring (32), spheroid (33), upper ring (34), locking piece (35), apron (36) of having set gradually down in barrel (31), lower packing ring (32), spheroid (33), upper ring (34), locking piece (35), Locking knob subassembly (37), tip under spheroid (33) lower extreme exposes barrel (31), the rotatable setting of spheroid (33) is in down packing ring (32) with go up between packing ring (34), double-screw bolt (371) in locking knob subassembly (37) pass apron (36) go up through-hole and latch segment (35) cooperation, screw double-screw bolt (371), latch segment (35) move down and oppress packing ring (34), realize pinning spheroid (33) and prevent its rotation, be equipped with first fixed arm (38) on barrel (31), first fixed arm (38) tip is equipped with guide ring (39), guide ring (39) are connected fixedly with regulation pole (22) upper end, turn to unit (3) and follow the vertical lift of lifting unit (2) axis direction at controllable distance, tip is equipped with second fixed arm (331) under spheroid (33), the lower end part of the second fixing arm (331) is provided with a sleeve (332), the guide unit (4) comprises a guide target sleeve (41), a sliding arm (42) and a guide sleeve (43) which are integrated with the guide target sleeve (41), the guide sleeve (43) consists of a fixing seat (44) and a guide needle sleeve (45), the guide needle sleeve (45) is arranged in the guide target sleeve (41) in a penetrating way, a guide needle hole (46) matched with a Kirschner wire is arranged at the center of the guide sleeve (43), the sliding arm (42) is movably arranged in the sleeve (332) in a penetrating way, the bottom end of the adjusting rod (22) is provided with a plug (223) in sliding fit with the inner wall of the support sleeve (21), the support sleeve (21) is provided with a lifting spring body, one end of the lifting spring body is connected with the bottom of the support sleeve (21), and the other end of the lifting spring body is connected with the lower end part of the plug (, the lower end of the supporting sleeve (21) is provided with a prism (224), and the operating table (1) is provided with a prism hole matched and fixed with the prism (224); the sleeve (332) is provided with a screw hole and is connected with a fastening screw (47) for locking the sliding arm (42); adjust pole (22) one side and erect along being equipped with guide way (221), set height control spur rack (222) in guide way (221), set gear (51) in connecting seat (24), gear (51) with fast lock switch (5) conflict cooperation, and with spur rack (222) meshing transmission is connected, gear (51) both ends face and guide way (221) lateral wall sliding fit.
2. The auto-raisable orthopedic k-wire positioning guide as claimed in claim 1, wherein: the quick-locking switch (5) comprises a wrench (52), a rivet (53), a locking seat (54), a locking rod (55), a spring (56), a brake sheet (57) and a lock head (58), wherein a slotted hole matched with the brake sheet (57) is formed in the lock head (58), one end of the brake sheet (57) is in interference connection with the slotted hole in the lock head (58), two connecting sheets (521) are symmetrically arranged at one end of the wrench (52), oval locking holes (522) are formed in the connecting sheets (521), the locking holes (522) are connected with the rivet (53) mutually, so that the wrench (52) can rotate by taking the rivet (53) as an axis, the rivet (53) is fixedly arranged at the end part of the locking rod (55), and the locking rod (55) sequentially passes through holes formed in the locking seat (54) and the connecting seat (24), a gear (51) and the spring (56) in the connecting seat (24) and is in threaded connection with the lock head (58), the lock head (58) presses the brake sheet (57) into a corresponding groove hole in the connecting seat (24), the end face of the brake sheet (57) is matched with the end face of the gear (51), one end of the locking seat (54) is provided with a circular arc face matched with the connecting sheet (521), the other end of the locking seat (54) is provided with a plane matched with the connecting seat (24), and the main body of the wrench (52) is matched with the outer surface of the lifting sleeve (23).
3. the auto-raisable orthopedic k-wire positioning guide as claimed in claim 2, wherein: the upper end surface of the lower gasket (32) is sunken towards the center to form an arc surface matched with the ball body (33), and the lower end surface of the upper gasket (34) is sunken towards the center to form an arc surface matched with the ball body (33).
4. An auto-liftable orthopedic k-wire positioning guide as in claim 3, wherein: the utility model discloses a lock knob subassembly, including apron (36), connecting cylinder (361), locking knob subassembly (37), adjusting nut (372) lower extreme, be equipped with on connecting cylinder (361) locking groove (362), be equipped with in the recess and rotate around connecting cylinder (361) with locking groove (362) matched with protruding muscle and messenger adjusting nut (372) each other with locking groove (361), and can not extract, the center of adjusting nut (372) be equipped with double-screw bolt (371) complex screw, adjusting nut (372) with be equipped with wear pad (373) between apron (36), the tip is equipped with the bulge loop body (374) of preventing unscrewing under double-screw bolt (371).
5. the auto-raisable orthopedic k-wire positioning guide as claimed in claim 4, wherein: and anti-skid pads (11) are arranged at four corners of the bottom surface of the operating platform (1).
6. The auto-raisable orthopedic k-wire positioning guide as claimed in claim 5, wherein: the first fixing arm (38) is perpendicular to the lifting unit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051867.8A CN108186106B (en) | 2018-01-19 | 2018-01-19 | Orthopedics Kirschner wire positioning guider capable of automatically rising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051867.8A CN108186106B (en) | 2018-01-19 | 2018-01-19 | Orthopedics Kirschner wire positioning guider capable of automatically rising |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108186106A CN108186106A (en) | 2018-06-22 |
| CN108186106B true CN108186106B (en) | 2019-12-06 |
Family
ID=62590110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| CN108581987A (en) * | 2018-07-10 | 2018-09-28 | 上海熊固工具有限公司 | A kind of multifunctional lifting workbench |
| CN111839654B (en) * | 2020-07-24 | 2022-05-20 | 中南大学湘雅医院 | Guide positioning type electric bone drill |
| CN113069620A (en) * | 2021-03-27 | 2021-07-06 | 刘包生 | Medical instrument for nephrology department |
| CN113431636A (en) * | 2021-07-21 | 2021-09-24 | 赵佳琛 | Intelligent safety monitoring equipment of ore hole convenient to place |
| CN114061552B (en) * | 2021-11-15 | 2023-06-16 | 中建四局第一建设有限公司 | Housing device for house construction engineering measuring instrument |
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| CN2770597Y (en) * | 2004-12-13 | 2006-04-12 | 王彩云 | Medical multifunctional lifting bracket |
| CN100518683C (en) * | 2007-08-23 | 2009-07-29 | 哈尔滨工程大学 | Active and passive type inner-mirror operation robot |
| CN101810513A (en) * | 2009-11-05 | 2010-08-25 | 孙墨 | Endoscope holder |
| CN202568737U (en) * | 2012-05-17 | 2012-12-05 | 孙永 | Limb positioning supporting frame for orthopedic surgery |
| CN203089318U (en) * | 2013-03-11 | 2013-07-31 | 郝红梅 | Gestation sac treatment fixing device with hand-operated adjustable height |
| CN203195633U (en) * | 2013-04-23 | 2013-09-18 | 赵士立 | Movable adjustment sleeve fastening clamp of mop |
| CN104873276A (en) * | 2015-03-27 | 2015-09-02 | 王莹 | Cardiac color Doppler ultrasonography positioning puncture device |
| CN105125285B (en) * | 2015-07-02 | 2017-05-03 | 贺石生 | Movable three-dimensional rocker arc-shaped guide spinal puncture assistor and use method of movable three-dimensional rocker arc-shaped guide spinal puncture assistor |
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