CN117281630A - External rotation osteotomy adjuster for knee joint replacement operation - Google Patents

External rotation osteotomy adjuster for knee joint replacement operation Download PDF

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Publication number
CN117281630A
CN117281630A CN202311074237.XA CN202311074237A CN117281630A CN 117281630 A CN117281630 A CN 117281630A CN 202311074237 A CN202311074237 A CN 202311074237A CN 117281630 A CN117281630 A CN 117281630A
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CN
China
Prior art keywords
adjuster
worm
disc
ring
external rotation
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Pending
Application number
CN202311074237.XA
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Chinese (zh)
Inventor
吴向坤
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Nanyang Second General Hospital
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Nanyang Second General Hospital
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Application filed by Nanyang Second General Hospital filed Critical Nanyang Second General Hospital
Priority to CN202311074237.XA priority Critical patent/CN117281630A/en
Publication of CN117281630A publication Critical patent/CN117281630A/en
Pending legal-status Critical Current

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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
    • 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
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/461—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of knees
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Pathology (AREA)
  • Neurosurgery (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The invention relates to the technical field of external rotation osteotomy adjustment, and discloses an external rotation osteotomy adjuster for knee joint replacement operation, which comprises a main board, wherein adjusting plates are rotatably arranged on two sides of the main board, a supporting ring is fixedly arranged at the top end of each adjusting plate, a driving structure is arranged at the bottom end of each main board, a guide structure is arranged between each adjusting plate and each driving structure, a first supporting plate is fixedly arranged on the other side of each adjusting plate, a second supporting plate is slidably connected with the other side of each first supporting plate, a positioning main ring is fixedly arranged at the top end of the other side of each second supporting plate, a guide structure is arranged on the other side of each second supporting plate, the bending angle of a knee joint of a patient can be effectively adjusted according to operation requirements, after the knee joint is fixed, a driving motor is started, an output shaft of each driving motor drives a worm to rotate, two worm gears meshed with the worm gears simultaneously reversely rotate, and the adjusting blocks on the worm gears drive the corresponding worm gears to rotate along with a disc according to the direction of a sliding groove arranged on the disc, and the adjusting plates are driven to downwards rotate through connecting rods.

Description

External rotation osteotomy adjuster for knee joint replacement operation
Technical Field
The invention relates to the technical field of external rotation osteotomy adjustment, in particular to an external rotation osteotomy adjuster for knee joint replacement operation.
Background
Knee joint is composed of femur lower end, tibia upper end and patella, it is the biggest complex joint of human body, it is the coastal joint, knee joint is important weight-bearing joint of low limbs, its structure and function are the most complex person in human body joint, knee joint degenerative osteoarthropathy is old's common disease, it is reported that knee joint osteoarthropathy male incidence rate of symptom above 50 years old is 35%, women up to 74%, knee osteoarthritis is the most common skeletal muscle disease, also be the main cause of middle-aged and old people disability, 85% total knee joint replacement is because of knee osteoarthritis, one of the common difficult problems of total knee joint replacement is the treatment of bone defect, bone defect position can take place in tibia, femur and patella, it is many times in tibia platform bone defect, femur distal bone defect incidence rate is lower than tibia bone defect, but femur distal bone defect can increase knee joint flexion and extension gap, especially flexion gap because artificial knee joint replacement course of treatment is obvious, alleviate pain effect is accepted by more and more doctors and more, in knee joint replacement can position patient's bone defect, however, the primary operation of fixing the osteotome is carried out to replace the structure when we can put forward the operation to replace the outer joint, can be adjusted.
Disclosure of Invention
The invention provides an external rotation osteotomy adjuster for knee joint replacement surgery, which solves the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a knee joint replacement operation is with outer bone adjuster that cuts soon, includes the mainboard, the regulating plate is installed in the both sides rotation of mainboard, and the top fixed mounting of regulating plate has the holding ring, the bottom of mainboard is provided with drive structure, is provided with guide structure between regulating plate and the drive structure, the opposite side fixed mounting of regulating plate has backup pad one, and the opposite side sliding connection of backup pad one has backup pad two, and the opposite side top department fixed mounting of backup pad two has the location main ring, and the both sides rotation of location main ring is installed the location auxiliary ring, is provided with the block structure between two location auxiliary rings.
Preferably, the drive structure is including mount, fixed plate, driving motor and worm, the bottom fixed mounting of mainboard has the mount, and the bottom fixed mounting of mount has the fixed plate, the top of fixed plate is located the inside fixed mounting of mount and has driving motor, and driving motor's output shaft fixed mounting has the worm, the inside of mount is located the both sides rotation of worm and installs the worm wheel, and worm wheel and worm mesh mutually.
Preferably, the guide structure comprises an adjusting block, a disc and a connecting rod, wherein the adjusting block is fixedly arranged on one side, far away from the worm, of the worm wheel, the disc is rotatably arranged on two sides of the fixing frame, a sliding groove is formed in the disc and is arranged along the central shaft mirror image of the disc, the adjusting block is in sliding connection with the disc through the arranged sliding groove, the connecting rod is rotatably arranged on two sides, far away from the disc, of the two discs, and the free ends of the connecting rod are respectively in rotary connection with the adjusting plate.
Preferably, the block structure is including slider, actuating lever, stopper, fixture block and lead screw, sliding connection has the slider between two location auxiliary ring, and the cross section of slider is provided with the cross, the actuating lever is installed in the top rotation of slider, and the inside of slider is provided with the stopper, the actuating lever runs through the bottom fixed mounting of stopper and actuating lever has the lead screw, and lead screw and slider threaded connection, the spacing groove has been seted up to the both sides of slider, and the both sides fixed mounting of stopper has the fixture block, the cross section of fixture block sets up to L shape, and two fixture blocks set up along the actuating lever mirror image, the fixture block runs through the spacing groove and extends in the inside of location auxiliary ring, the draw-in groove has been seted up to the inside of location auxiliary ring, the fixture block passes through the draw-in groove and the location auxiliary ring joint that set up.
Preferably, the clamping groove is in a crescent shape, the opening directions of the two clamping grooves are opposite, and the clamping block is matched with the clamping groove.
Preferably, the first binding band and the second binding band are fixedly installed on two sides of the top end of the supporting ring respectively, the first magic tape is fixedly installed at the bottom end of the first binding band and is a round wool surface, the second magic tape is arranged at the top end of the second binding band and is a thorn wool surface.
Preferably, electric telescopic rods are symmetrically arranged in the first supporting plate, the electric telescopic rods penetrate through the second supporting plate, and the other side of each electric telescopic rod is fixedly connected with the inner side wall of the second supporting plate.
Preferably, five air bags are installed in the positioning main ring at equal intervals.
Preferably, the top end of the main board is fixedly provided with a knee supporting pad, and the knee supporting pad is semicircular.
Preferably, the sliding groove is arranged in an arc shape, and the sliding groove is arranged along the central shaft mirror image of the disc.
Compared with the prior art, the invention provides the external rotation osteotomy adjuster for knee joint replacement operation, which has the following beneficial effects:
1. this knee joint replacement operation is with outer bone adjuster that cuts, through setting up the drive structure and closing guide structure, can effectively adjust patient knee joint's bending angle according to the operation demand, be convenient for carry out replacement operation, and increased the adjustability, when using the device, place the knee supporting pad on the mainboard in patient's knee joint's rear earlier, knee joint's upper end and lower extreme are fixed by two supporting rings respectively, it is binded the bandage two and twined at patient's shank to bind the bandage, can be according to patient shank thickness, carry out suitable adjustment magic subsides one and paste in magic subsides two upper positions, after fixed knee joint, start driving motor, driving motor's output shaft is brought worm rotation, worm makes two worm gears that mesh with it reverse rotation simultaneously, according to the spout direction of seting up on the disc, regulating block on the worm gear is brought the disc rotation, it rotates downwards to drive the regulating plate through the connecting rod when the spout rotates.
2. This knee joint replacement operation is with outer bone adjuster that cuts, through setting up the block structure, can effectively install fast according to patient's size and close two location auxiliary ring, be favorable to fixed patient's shank, when medical personnel fixes shank position, fix the main ring of one side at patient's shank ankle department earlier, fix the main ring of location of opposite side at patient's thigh middle part, rotate the location auxiliary ring and close it, insert the slider between two location auxiliary rings afterwards, anticlockwise rotation actuating lever, two fixture blocks on the stopper anticlockwise rotation along the draw-in groove for fixture block and location auxiliary ring joint, actuating lever bottom and slider threaded connection simultaneously, the fixture block keeps with location auxiliary ring block state from this.
3. This knee joint replacement is with outer bone regulator that cuts soon, through setting up the gasbag, can effectively be according to patient's shank thickness, adjust the volume of aerifing and aerify five gasbags, be favorable to location main ring spacing to the shank to the gasbag has elasticity, can protect the shank when having increased the travelling comfort, prevents that the shank from touching hard object, causes the damage again.
4. This knee joint replacement operation is with outer bone regulator that cuts soon through setting up backup pad one, backup pad two and electric telescopic handle, can effectively shift two location main rings according to patient's shank length, before carrying out shank location, starts electric telescopic handle, electric telescopic handle promotes backup pad two, makes it slide in backup pad one to make two location main rings remove suitable position.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a guide structure according to the present invention;
FIG. 3 is a schematic view of a holder according to the present invention;
FIG. 4 is a schematic diagram of a driving structure of the present invention;
FIG. 5 is a schematic cross-sectional view of a locating secondary ring of the present invention;
FIG. 6 is a schematic cross-sectional view of a slider of the present invention;
FIG. 7 is a schematic diagram of a card slot according to the present invention.
In the figure: 1. a main board; 2. an adjusting plate; 3. a support ring; 4. a first supporting plate; 5. a second supporting plate; 6. an electric telescopic rod; 7. positioning a main ring; 8. a fixing frame; 9. a fixing plate; 10. a driving motor; 11. a worm; 12. a worm wheel; 13. an adjusting block; 14. a disc; 15. a chute; 16. a connecting rod; 17. a knee support pad; 18. positioning the auxiliary ring; 19. an air bag; 20. a slide block; 21. a driving rod; 22. a limiting block; 23. a clamping block; 24. a screw rod; 25. a limit groove; 26. a clamping groove; 27. a first binding band; 28. a magic tape I; 29. a second binding band; 30. and a magic tape II.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-7, an external rotation osteotomy adjuster for knee joint replacement surgery comprises a main board 1, wherein two sides of the main board 1 are rotatably provided with an adjusting board 2, the top end of the adjusting board 2 is fixedly provided with a supporting ring 3, the bottom end of the main board 1 is provided with a driving structure, a guiding structure is arranged between the adjusting board 2 and the driving structure, the other side of the adjusting board 2 is fixedly provided with a first supporting board 4, the other side of the first supporting board 4 is slidably connected with a second supporting board 5, the top end of the other side of the second supporting board 5 is fixedly provided with a positioning main ring 7, two sides of the positioning main ring 7 are rotatably provided with positioning auxiliary rings 18, a clamping structure is arranged between the two positioning auxiliary rings 18, and a patient leg can be effectively fixed according to the body type of a patient through a clamping structure of an air bag 19.
Further, the drive structure is including mount 8, fixed plate 9, driving motor 10 and worm 11, the bottom fixed mounting of mainboard 1 has mount 8, the bottom fixed mounting of mount 8 has fixed plate 9, the top of fixed plate 9 is located the inside fixed mounting of mount 8 and has driving motor 10, driving motor 10's output shaft fixed mounting has worm 11, the inside of mount 8 is located worm 11's both sides rotation and installs worm wheel 12, and worm wheel 12 and worm 11 mesh mutually, through setting up drive structure and closing guide structure, can effectively adjust patient knee joint's bending angle according to the operation demand, be convenient for carry out the replacement operation, the adjustability has been increased.
Further, the guide structure comprises an adjusting block 13, a disc 14 and a connecting rod 16, one side, far away from a worm 11, of a worm wheel 12 is fixedly provided with the adjusting block 13, two sides of a fixing frame 8 are rotatably provided with the disc 14, a sliding groove 15 is formed in the disc 14, the sliding groove 15 is arranged along the central shaft mirror image of the disc 14, the adjusting block 13 is slidably connected with the disc 14 through the arranged sliding groove 15, one side, far away from the two discs 14, of each of the two discs 14 is rotatably provided with the connecting rod 16, the free ends of the connecting rods 16 are respectively rotatably connected with the adjusting plate 2, after the knee joint is fixed, a driving motor 10 is started, an output shaft of the driving motor 10 rotates with the worm 11, the worm 11 enables the two worm wheels 12 meshed with the worm 11 to reversely rotate simultaneously, and according to the direction of the sliding groove 15 formed in the disc 14, the adjusting block 13 on the worm wheel 12 rotates with the disc 14, and the adjusting plate 2 is driven to downwards rotate through the connecting rod 16 when the sliding groove 15 rotates.
Further, the clamping structure comprises a sliding block 20, a driving rod 21, a limiting block 22, a clamping block 23 and a screw rod 24, wherein the sliding block 20 is connected between the two locating auxiliary rings 18 in a sliding manner, the cross section of the sliding block 20 is provided with a cross shape, the top end of the sliding block 20 is rotationally provided with the driving rod 21, the limiting block 22 is arranged in the sliding block 20, the driving rod 21 penetrates through the limiting block 22, the screw rod 24 is fixedly arranged at the bottom end of the driving rod 21, the screw rod 24 is in threaded connection with the sliding block 20, limiting grooves 25 are formed in two sides of the sliding block 20, the clamping block 23 is fixedly arranged on two sides of the limiting block 22, the cross section of the clamping block 23 is L-shaped, the two clamping blocks 23 are arranged along the driving rod 21 in a mirror image manner, the clamping block 23 penetrates through the limiting grooves 25 and extends into the interior of the locating auxiliary rings 18, the clamping groove 26 is formed in the interior of the locating auxiliary rings 18, the clamping block 23 is clamped with the locating auxiliary rings 18 through the clamping grooves 26, one side of the locating main rings 7 is fixed at the position of a small ankle of a patient, the locating main ring 7 on the other side of the patient, the locating main rings 18 are rotated to be combined with the middle of the thighs of the patient, then the sliding auxiliary rings 20 are inserted into the sliding block 20, and the two clamping blocks are inserted between the two locating auxiliary rings 18 and the two locating auxiliary rings 21 and the two clamping blocks are rotated to enable the two clamping blocks to rotate to be 23 to be anticlockwise connected with the two clamping blocks 21 and 23 to rotate along the clamping blocks 21 and respectively along the two clamping grooves 21.
Further, the clamping grooves 26 are crescent, the opening directions of the two clamping grooves 26 are opposite, the clamping blocks 23 are matched with the clamping grooves 26, the bottom end of the driving rod 21 is in threaded connection with the sliding block 20, and therefore the clamping blocks 23 are kept in a clamping state with the positioning auxiliary ring 18.
Further, the first 27 and the second 29 of bandage are respectively fixed mounting on both sides of the top end of the support ring 3, the first 28 of the first 27 of bandage is fixedly mounted on the bottom end of the first 27 of bandage, the first 28 of the bandage is a round surface, the second 30 of the second 29 of bandage is arranged on the top end of the second 29 of bandage, and the second 30 of the magic tape is a thorny surface.
Further, electric telescopic rod 6 is installed to the inside symmetry of backup pad one 4, electric telescopic rod 6 runs through backup pad two 5 and electric telescopic rod 6's opposite side and backup pad two 5's inside wall fixed connection, through setting up backup pad one 4, backup pad two 5 and electric telescopic rod 6, can effectively shift two location main rings 7 according to patient's shank length, before carrying out shank location, start electric telescopic rod 6, electric telescopic rod 6 promotes backup pad two 5, makes it slide in backup pad one 4 inside to make two location main rings 7 remove suitable position.
Further, five air bags 19 are installed at equal intervals in the positioning main ring 7, the air bags 19 are arranged, the inflatable amount is adjusted to inflate the five air bags according to the thickness of the legs of a patient, the positioning main ring 7 is beneficial to limiting the legs, the air bags 19 are elastic, the legs can be protected while the comfort is improved, and the legs are prevented from touching hard objects to cause secondary damage.
Further, the knee support pad 17 is fixedly mounted on the top end of the main board 1, and the knee support pad 17 is semicircular.
Further, the sliding groove 15 is provided in an arc shape, and the sliding groove 15 is provided along a mirror image of the central axis of the disc 14.
Working principle: when the device is used, the knee supporting pad 17 on the main board 1 is firstly placed behind the knee joint of a patient, the upper end and the lower end of the knee joint are respectively fixed by the two supporting rings 3, the first 27 binding bands and the second 29 binding bands are wound on the legs of the patient, the positions of the first 28 binding bands and the second 30 binding bands can be properly adjusted according to the leg thickness of the patient, then the two positioning main rings 7 can be effectively shifted according to the leg length of the patient by arranging the first 4 supporting plates, the second 5 supporting plates and the electric telescopic rods 6, before the leg positioning is carried out, the electric telescopic rods 6 are started to push the second 5 supporting plates, so that the two positioning main rings 7 slide in the first 4 supporting plates and move to the proper positions, then one side positioning main ring 7 is fixed at the ankle of the leg of the patient, the positioning main ring 7 on the other side is fixed in the middle of the thigh of a patient, the positioning auxiliary ring 18 is rotated to close, then the sliding block 20 is inserted between the two positioning auxiliary rings 18, the driving rod 21 is rotated anticlockwise, the two clamping blocks 23 on the limiting block 22 rotate anticlockwise along the clamping grooves 26, the clamping blocks 23 are clamped with the positioning auxiliary rings 18, meanwhile, the bottom end of the driving rod 21 is in threaded connection with the sliding block 20, the clamping blocks 23 keep the clamping state with the positioning auxiliary rings 18, five air bags are inflated according to the thickness of the leg of the patient, the positioning main ring 7 is beneficial to limit the leg, the leg can be protected, after the knee joint is fixed, the driving motor 10 is started, the output shaft of the driving motor 10 drives the worm 11 to rotate, the worm 11 drives the two worm gears 12 meshed with the worm 11 to rotate reversely at the same time, and the adjusting block 13 on the worm gears 12 drives the disc 14 to rotate according to the direction of the sliding grooves 15 formed on the disc 14, the spout 15 drives regulating plate 2 rotation downwards through connecting rod 16 when rotating, through setting up gasbag 19, according to patient's shank thickness, adjusts the volume of aerifing and aerifys five gasbags, is favorable to location main ring 7 spacing to the shank to gasbag 19 has elasticity, can protect the shank when having increased the travelling comfort, prevents that the shank from touching hard object, causes the damage again.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a knee joint replacement operation is with outer bone adjuster that cuts that revolves, includes mainboard (1), its characterized in that: regulating plate (2) are installed in both sides rotation of mainboard (1), and top fixed mounting of regulating plate (2) has supporting ring (3), the bottom of mainboard (1) is provided with driving structure, is provided with guide structure between regulating plate (2) and the driving structure, opposite side fixed mounting of regulating plate (2) has backup pad one (4), and opposite side sliding connection of backup pad one (4) has backup pad two (5), and opposite side top department fixed mounting of backup pad two (5) has location main ring (7), and location auxiliary ring (18) are installed in the both sides rotation of location main ring (7), are provided with the block structure between two location auxiliary rings (18).
2. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: the driving structure comprises a fixing frame (8), a fixing plate (9), a driving motor (10) and a worm (11), wherein the fixing frame (8) is fixedly arranged at the bottom end of the main board (1), the fixing plate (9) is fixedly arranged at the bottom end of the fixing frame (8), the driving motor (10) is fixedly arranged at the top end of the fixing plate (9) and positioned in the fixing frame (8), the worm (11) is fixedly arranged at the output shaft of the driving motor (10), the worm wheel (12) is rotatably arranged at the two sides of the worm (11) in the fixing frame (8), and the worm wheel (12) is meshed with the worm (11).
3. A rotary osteotomy adjuster for knee replacement surgery as in claim 2, wherein: the guide structure comprises an adjusting block (13), a disc (14) and a connecting rod (16), wherein the adjusting block (13) is fixedly arranged on one side, far away from the worm (11), of the worm wheel (12), the disc (14) is rotatably arranged on two sides of the fixing frame (8), a sliding groove (15) is formed in the disc (14), the adjusting block (13) is slidably connected with the disc (14) through the arranged sliding groove (15), the connecting rod (16) is rotatably arranged on one side, far away from the disc (14), of each disc, and the free ends of the connecting rods (16) are rotatably connected with the adjusting plate (2) respectively.
4. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: the utility model provides a clamping structure is including slider (20), actuating lever (21), stopper (22), fixture block (23) and lead screw (24), sliding connection has slider (20) between two location pair rings (18), and the cross section of slider (20) is provided with the cross, actuating lever (21) are installed in the top rotation of slider (20), and the inside of slider (20) is provided with stopper (22), actuating lever (21) run through stopper (22) and actuating lever (21) bottom fixed mounting have lead screw (24), and lead screw (24) and slider (20) threaded connection, spacing groove (25) have been seted up in the both sides of slider (20), and the both sides fixed mounting of stopper (22) have fixture block (23), the cross section of fixture block (23) sets up to L shape, and two fixture blocks (23) set up along actuating lever (21) mirror image, fixture block (23) run through spacing groove (25) and extend in the inside of location pair ring (18), draw-in groove (26) have been seted up to the inside of location pair ring (18), fixture block (23) pass through draw-in groove (26) and location pair ring (18).
5. A surgical external rotation osteotomy adjuster for knee replacement as in claim 4, wherein: the clamping grooves (26) are arranged in a crescent shape, the opening directions of the two clamping grooves (26) are opposite, and the clamping blocks (23) are matched with the clamping grooves (26).
6. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: the utility model discloses a quick-mounting type magic tape is characterized in that a first binding band (27) and a second binding band (29) are fixedly installed on two sides of the top end of the supporting ring (3), a first magic tape (28) is fixedly installed at the bottom end of the first binding band (27), the first magic tape (28) is a round hair surface, a second magic tape (30) is arranged on the top end of the second binding band (29), and the second magic tape (30) is a thorn hair surface.
7. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: the electric telescopic rod (6) is symmetrically arranged in the first supporting plate (4), the electric telescopic rod (6) penetrates through the second supporting plate (5), and the other side of the electric telescopic rod (6) is fixedly connected with the inner side wall of the second supporting plate (5).
8. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: five air bags (19) are arranged in the positioning main ring (7) at equal intervals.
9. A surgical external rotation osteotomy adjuster for knee replacement as in claim 1, wherein: the knee support pad (17) is fixedly arranged at the top end of the main board (1), and the knee support pad (17) is semicircular.
10. A rotary osteotomy adjuster for knee replacement surgery as in claim 3, wherein: the sliding groove (15) is arranged in an arc shape, and the sliding groove (15) is arranged along the central axis of the disc (14) in a mirror image mode.
CN202311074237.XA 2023-08-24 2023-08-24 External rotation osteotomy adjuster for knee joint replacement operation Pending CN117281630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311074237.XA CN117281630A (en) 2023-08-24 2023-08-24 External rotation osteotomy adjuster for knee joint replacement operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311074237.XA CN117281630A (en) 2023-08-24 2023-08-24 External rotation osteotomy adjuster for knee joint replacement operation

Publications (1)

Publication Number Publication Date
CN117281630A true CN117281630A (en) 2023-12-26

Family

ID=89239956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311074237.XA Pending CN117281630A (en) 2023-08-24 2023-08-24 External rotation osteotomy adjuster for knee joint replacement operation

Country Status (1)

Country Link
CN (1) CN117281630A (en)

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