CN112932634B - Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation - Google Patents

Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation Download PDF

Info

Publication number
CN112932634B
CN112932634B CN202110106748.XA CN202110106748A CN112932634B CN 112932634 B CN112932634 B CN 112932634B CN 202110106748 A CN202110106748 A CN 202110106748A CN 112932634 B CN112932634 B CN 112932634B
Authority
CN
China
Prior art keywords
block
wall
fixed
fixedly connected
fixed frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110106748.XA
Other languages
Chinese (zh)
Other versions
CN112932634A (en
Inventor
来常敏
徐晓杰
田彩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yu Haiqing
Affiliated Hospital of University of Qingdao
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202110106748.XA priority Critical patent/CN112932634B/en
Publication of CN112932634A publication Critical patent/CN112932634A/en
Application granted granted Critical
Publication of CN112932634B publication Critical patent/CN112932634B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • 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
    • 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
    • A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
    • 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
    • A61F2/4607—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 hip femoral endoprostheses
    • 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
    • A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00969—Surgical instruments, devices or methods, e.g. tourniquets used for transplantation
    • 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
    • A61F2/4637—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for connecting or disconnecting two parts of a prosthesis
    • A61F2002/4638—Tools for performing screwing, e.g. nut or screwdrivers, or particular adaptations 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
    • A61F2002/4681—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor by applying mechanical shocks, e.g. by hammering

Abstract

The invention discloses an auxiliary prosthesis stabilizing device used in an artificial hip joint replacement operation, and relates to the field of prosthesis replacement. This a prosthetic auxiliary stabilization device for in artificial hip joint replacement operation, including the operation table, the upper surface of operation table inlays and is equipped with the fixing base, and the upper surface symmetry fixedly connected with of fixing base has two supporting shoes, and the inside of fixing base and supporting shoe is provided with lifting unit, and is connected with movable sleeve through lifting unit, and the top of movable sleeve passes the roof outside extension and fixedly connected with fixed frame of supporting shoe, sliding connection has the fixed strip on the inner wall of fixed frame, is provided with spacing subassembly between fixed frame and the fixed strip. When the auxiliary prosthesis stabilizing device for the artificial hip joint replacement operation is fixed by using the screws, the femoral part of the prosthesis can only slide along one direction between the two semicircular sleeves in the knocking process, so that the femoral part of the prosthesis cannot incline.

Description

Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation
Technical Field
The invention relates to the technical field of prosthesis replacement, in particular to an auxiliary prosthesis stabilizing device used in an artificial hip joint replacement operation.
Background
The hip joint replacement is also called artificial hip joint replacement, and is a relatively mature and reliable treatment means by fixing an artificial prosthesis comprising a femur part and an acetabulum part on normal bone by bone cement and screws so as to replace a diseased joint and reconstruct the normal function of the hip joint of a patient.
In the hip joint replacement operation, firstly, an opening is needed on a human body, then a plurality of people need to use a plurality of clamping hooks to take off meat at the opening, after the bones are disassembled, the femoral part of the prosthesis is fixed by using screws, when the screws are used for fixing, a small hammer is needed for hammering, the small hammer, the prosthesis and the screws are needed to be held, the operation is very complicated, and when the prosthesis is hammered by the screws for fixing, the prosthesis is easy to incline, so that the prosthesis auxiliary stabilizing device for the artificial hip joint replacement operation is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention discloses an auxiliary prosthesis stabilizing device used in an artificial hip joint replacement operation, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a be arranged in artificial hip joint replacement operation prosthesis auxiliary stabilization device, includes the operation table, the upper surface of operation table inlays and is equipped with the fixing base, the upper surface of fixing base and the upper surface of operation table are in same horizontal plane, the upper surface symmetry fixedly connected with two supporting shoe of fixing base, two the one side that the supporting shoe is in opposite directions all fixedly connected with the cushion, the inside of fixing base and supporting shoe is provided with lifting assembly, and is connected with movable sleeve through lifting assembly, movable sleeve sliding connection is on the inner wall of supporting shoe, and the top of movable sleeve passes the roof of supporting shoe outwards and fixedly connected with fixed frame, sliding connection has the fixed strip on the inner wall of fixed frame, be provided with spacing subassembly between fixed frame and the fixed strip;
two equal fixedly connected with connecting block of one end in opposite directions of fixed strip, fixedly connected with three trip on the lateral wall of connecting block, and three the tip of trip is the arc setting, the upper surface fixedly connected with fixed block of connecting block, the inside of fixed block is provided with joint subassembly, and is connected with movable strip through joint subassembly, just the lower surface at movable strip both ends is laminated mutually with two fixed blocks respectively, the through-hole has been seted up to the geometric center department of movable strip, the lower surface rotation of movable strip is connected with threaded sleeve, threaded sleeve's on-wall threaded connection has the second lead screw, the through-hole upwards extends is passed on the top of second lead screw, two spacing grooves have been seted up to the surface of second lead screw, fixedly connected with stopper on the inner wall of through-hole, just stopper sliding connection is on the inner wall of spacing groove, the bottom fixedly connected with supporting seat of second lead screw, the inside of supporting seat is provided with drive assembly, and is connected with two semicircle covers through drive assembly drive, and two semicircle covers laminating mutually.
Preferably, the lifting assembly comprises a rotating shaft, the rotating shaft is rotationally connected to the inner wall of the fixing seat, two first conical gears are sleeved on the outer surface of the rotating shaft, the first conical gears are connected with second conical gears in a meshed mode, a first screw rod is fixedly connected to the inner wall of the second conical gears, the first screw rod is rotationally connected with the bottom wall of the supporting block and penetrates through the bottom wall of the supporting block to extend towards the inside of the supporting block, and the movable sleeve is in threaded connection with the outer surface of the first screw rod.
Preferably, the outer surface of the bottom of the movable sleeve is symmetrically and fixedly connected with two moving blocks, and the moving blocks are in sliding connection with the inner wall of the supporting block.
Preferably, one end of the rotating shaft penetrates through the outer wall of the fixed seat and the operating table to extend outwards and is fixedly connected with a knob
Preferably, the limiting component comprises a moving rod, the end part of the moving rod is rotationally connected with the end part of the fixed strip, two limiting springs are fixedly connected between the end part of the fixed strip and the inner wall of the fixed frame, the end part of the fixed frame is fixedly connected with a fixed sleeve, and the other end of the moving rod penetrates through the outer wall of the fixed frame and the fixed sleeve to extend outwards and is fixedly connected with a handle.
Preferably, the first clamping groove and the second clamping groove are formed in the outer surface of the fixing sleeve, the first clamping groove is communicated with the second clamping groove, a clamping block is fixedly connected to the outer surface of the moving rod, and the clamping block is attached to the inner wall of the first clamping groove.
Preferably, the clamping assembly comprises an inserting block, the inserting block is fixedly connected to the lower surface of the end part of the movable strip, a slot is formed in the upper surface of the fixing block, the inserting block is inserted into the slot, a positioning groove is formed in the side wall of the fixing block, a positioning block is arranged on the side wall of the inserting block, and the positioning block is attached to the inner wall of the positioning groove.
Preferably, the side wall of the insertion block is provided with a moving groove, the positioning block is slidably connected to the inner wall of the moving groove, a telescopic rod and a positioning spring are fixedly connected between the inner wall of the moving groove and the positioning block, and the positioning spring is sleeved on the outer surface of the telescopic rod.
Preferably, the transmission assembly comprises a screw rod, the screw rod rotates and is connected with on the inner wall of supporting seat, one of them outer wall that passes the supporting seat of screw rod outwards extends, the screw thread opposite to the spiral direction has been seted up to the surface of screw rod to threaded connection has first nut piece and second nut piece respectively, first nut piece and second nut piece sliding connection are on the inner wall of supporting seat, just the equal fixedly connected with sliding block of lower surface of first nut piece and second nut piece, the sliding tray has been seted up to the lower surface of supporting seat, two sliding block sliding connection is in the sliding tray, and respectively with two semicircle cover fixed connection.
The invention discloses an auxiliary prosthesis stabilizing device used in artificial hip joint replacement operation, which has the following beneficial effects:
1. this a prosthetic auxiliary stabilization device for in artificial hip joint replacement operation, through setting up joint subassembly, movable strip, screw sleeve, second lead screw spacing groove and stopper, it enters into open-ended inside to have driven supporting seat and two semicircle covers, when using the screw to fix, insert the femoral component of prosthetic between two semicircle covers, and use little hammer to strike the screw, fix the femoral component of prosthetic with normal bone, in the in-process of striking, the femoral component of prosthetic can only slide along a direction between two semicircle covers, thereby make the femoral component of prosthetic can not take place the condition of slope, until the femoral component of prosthetic inserts in normal bone through the screw, it is more convenient to strike fixedly.
2. This a prosthetic auxiliary stabilization device for in artificial hip joint replacement operation, through the lifting unit who sets up, two movable sleeve slides downwards, and fixed frame has been pulled, fixed strip and trip move downwards, make the trip insert in the patient's opening, the handle has been driven the movable rod again and has rotated, make the fixture block remove towards the notch department of second draw-in groove, two spacing springs rebound of holding the power before, the fixed strip has been pulled and has been removed towards the inside of fixed frame, simultaneously at the in-process that two fixed strips removed, two sets of trips are moved in opposite directions, take off the meat in the opening, and then expose the skeleton, until make the fixture block remove the notch department of first draw-in groove, rotate the movable rod, make the fixture block enter into first draw-in groove, thereby fix the position of movable rod, fixed strip and trip, thereby need not many people to operate the trip, can be automatic with the opening, and lift off the skeleton that damages.
3. This a prosthetic auxiliary stabilization device for in artificial hip joint replacement operation, through the drive assembly who sets up, after fixed, the rotation screw rod for two screw threads that revolve opposite direction of screw rod surface rotate, thereby drive first nut piece and second nut piece and slide in opposite directions, driven two semicircle covers separation through two sliding blocks, take off the movable strip, can take out two semicircle covers from the opening.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic view of a lifting assembly according to the present invention;
FIG. 4 is a schematic view of the structure between two support blocks according to the present invention;
FIG. 5 is a schematic view of the structure of the support block of the present invention;
FIG. 6 is a schematic view of a spacing assembly according to the present invention;
FIG. 7 is a schematic view of the structure of the fixing sleeve of the present invention;
FIG. 8 is an enlarged schematic view of portion A of FIG. 5 in accordance with the present invention;
FIG. 9 is a schematic view of a second lead screw according to the present invention;
FIG. 10 is an enlarged schematic view of portion B of FIG. 9 in accordance with the present invention;
FIG. 11 is a schematic view of the structure of the transmission assembly of the present invention;
FIG. 12 is a schematic view of a clip assembly according to the present invention;
fig. 13 is a schematic structural view of the positioning block according to the present invention.
In the figure: 1. an operating bed; 101. a rotating shaft; 102. a first bevel gear; 103. a second bevel gear; 104. a first screw rod; 105. a movable sleeve; 106. a moving block; 107. a knob; 2. a fixing seat; 201. a support block; 202. a fixed frame; 203. a fixing strip; 204. a connecting block; 205. a hook; 206. a fixed block; 207. a soft cushion; 3. a movable bar; 301. a threaded sleeve; 302. a second screw rod; 303. a limit groove; 304. a limiting block; 305. a support base; 306. a semicircular sleeve; 4. a moving rod; 401. a limit spring; 402. a fixed sleeve; 403. a first clamping groove; 404. a second clamping groove; 405. a clamping block; 406. a handle; 5. inserting blocks; 501. a slot; 502. a positioning groove; 503. a positioning block; 504. a telescopic rod; 505. a positioning spring; 6. a screw; 601. a first nut block; 602. a second nut block; 603. a sliding block.
Detailed Description
The embodiment of the invention discloses an auxiliary prosthesis stabilizing device for an artificial hip joint replacement operation, which comprises an operation table 1, wherein a fixing seat 2 is embedded in the upper surface of the operation table 1, the upper surface of the fixing seat 2 and the upper surface of the operation table 1 are in the same horizontal plane, two supporting blocks 201 are symmetrically and fixedly connected to the upper surface of the fixing seat 2, one opposite sides of the two supporting blocks 201 are fixedly connected with a soft cushion 207, lifting components are arranged in the fixing seat 2 and the supporting blocks 201, movable sleeves 105 are connected through the lifting components, the movable sleeves 105 are slidably connected to the inner walls of the supporting blocks 201, the top ends of the movable sleeves 105 penetrate through the top walls of the supporting blocks 201 and extend outwards and are fixedly connected with a fixed frame 202, a fixed strip 203 is slidably connected to the inner wall of the fixed frame 202, and a limiting component is arranged between the fixed frame 202 and the fixed strip 203;
the equal fixedly connected with connecting block 204 of two fixed bars 203 one end in opposite directions, fixedly connected with three trip 205 on the lateral wall of connecting block 204, and the tip of three trip 205 is the arc setting, the upper surface fixedly connected with fixed block 206 of connecting block 204, the inside of fixed block 206 is provided with joint subassembly, and be connected with movable bar 3 through joint subassembly, and the lower surface at movable bar 3 both ends is laminated mutually with two fixed blocks 206 respectively, the through-hole has been seted up in the geometric center department of movable bar 3, the lower surface rotation of movable bar 3 is connected with threaded sleeve 301, threaded connection has second lead screw 302 on threaded sleeve 301's the inner wall, the top of second lead screw 302 passes the through-hole and upwards extends, two spacing groove 303 have been seted up to the surface of second lead screw 302, fixedly connected with two stopper 304 on the inner wall of through-hole, and stopper 304 sliding connection is on the inner wall of spacing groove 303, the bottom fixedly connected with supporting seat 305 of second lead screw 302, the inside of supporting seat 305 is provided with drive assembly, and be connected with two semicircle sleeves 306 through drive assembly drive, and two semicircle sleeves 306 are laminated mutually.
The lifting assembly comprises a rotating shaft 101, the rotating shaft 101 is rotationally connected to the inner wall of the fixed seat 2, two first conical gears 102 are fixedly sleeved on the outer surface of the rotating shaft 101, a second conical gear 103 is connected to the first conical gears 102 in a meshed mode, a first screw rod 104 is fixedly connected to the inner wall of the second conical gear 103, the first screw rod 104 is rotationally connected with the bottom wall of the supporting block 201, the first screw rod 104 penetrates through the bottom wall of the supporting block 201 to extend towards the inside of the supporting block 201, and a movable sleeve 105 is connected to the outer surface of the first screw rod 104 in a threaded mode.
The outer surface of the bottom of the movable sleeve 105 is symmetrically and fixedly connected with two movable blocks 106, and the movable blocks 106 are in sliding connection with the inner wall of the supporting block 201.
One end of the rotating shaft 101 passes through the outer wall of the fixed seat 2 and the operating table 1 to extend outwards and is fixedly connected with a knob 107
The limiting assembly comprises a moving rod 4, the end part of the moving rod 4 is rotationally connected to the end part of a fixed bar 203, two limiting springs 401 are fixedly connected between the end part of the fixed bar 203 and the inner wall of a fixed frame 202, a fixed sleeve 402 is fixedly connected to the end part of the fixed frame 202, and the other end of the moving rod 4 penetrates through the outer wall of the fixed frame 202 and the fixed sleeve 402 to extend outwards and is fixedly connected with a handle 406.
The first draw-in groove 403 and the second draw-in groove 404 have been seted up to the surface of fixed sleeve 402, and first draw-in groove 403 and second draw-in groove 404 are linked together, and the surface fixedly connected with fixture block 405 of carriage release lever 4, fixture block 405 laminating mutually with the inner wall of first draw-in groove 403.
The clamping assembly comprises an inserting block 5, the inserting block 5 is fixedly connected to the lower surface of the end part of the movable strip 3, a slot 501 is formed in the upper surface of the fixed block 206, the inserting block 5 is inserted into the slot 501, a positioning groove 502 is formed in the side wall of the fixed block 206, a positioning block 503 is arranged on the side wall of the inserting block 5, and the positioning block 503 is attached to the inner wall of the positioning groove 502.
The side wall of the insertion block 5 is provided with a moving groove, the positioning block 503 is slidably connected to the inner wall of the moving groove, a telescopic rod 504 and a positioning spring 505 are fixedly connected between the inner wall of the moving groove and the positioning block 503, and the positioning spring 505 is sleeved on the outer surface of the telescopic rod 504.
The transmission assembly comprises a screw rod 6, the screw rod 6 is rotationally connected to the inner wall of a supporting seat 305, one of the screw rods 6 penetrates through the outer wall of the supporting seat 305 to extend outwards, threads with opposite rotation directions are formed on the outer surface of the screw rod 6, a first nut block 601 and a second nut block 602 are respectively connected to the threads, the first nut block 601 and the second nut block 602 are slidably connected to the inner wall of the supporting seat 305, sliding blocks 603 are fixedly connected to the lower surfaces of the first nut block 601 and the second nut block 602, sliding grooves are formed in the lower surface of the supporting seat 305, and the two sliding blocks 603 are slidably connected to the sliding grooves and are fixedly connected with two semicircular sleeves 306 respectively.
Working principle: in the use process, firstly, the two positioning blocks 503 are pressed inwards to enable the positioning blocks 503 to move towards the inside of the positioning groove 502, then the movable strip 3 is pulled upwards and removed to enable the inserting block 5 to be separated from the inserting groove 501, and at the moment, the movable strip 3 is separated from the two fixed blocks 206;
then, the knob 107 is rotated to drive the rotation shaft 101 to rotate, so that the two first bevel gears 102 on the outer surface of the rotation shaft 101 rotate along with the rotation shaft, the first bevel gears 102 drive the second bevel gears 103 and the first screw rods 104 on the inner wall of the second bevel gears 103 to rotate simultaneously when rotating, so that the outer surface of the movable sleeve 105 is fixedly connected with two movable blocks 106, the movable blocks 106 are in sliding connection with the inner wall of the supporting block 201, the movable sleeve 105 and the movable blocks 106 cannot rotate, so that the movable sleeve 105 in threaded connection with the outer surface of the first screw rods 104 slides upwards, the fixed frame 202, the fixed strip 203 and the clamping hooks 205 are pushed to move upwards, and the legs of a patient can pass through the lower parts of the clamping hooks 205 and are placed between the two supporting blocks 201 at the moment;
then, the upper leg of the patient is opened, the handle 406 is rotated to drive the movable rod 4 to rotate, the clamping block 405 on the outer surface of the movable rod 4 is driven to move towards the notch of the first clamping groove 403 in the first clamping groove 403, then the movable rod 4 is pushed to move towards the fixed frame 202, the fixed bar 203 is pushed to slide outwards in the fixed frame 202, the two limit springs 401 are stretched, the two limit springs 401 are in a force accumulation state, the movable rod 4 drives the clamping block 405 to move towards the notch of the second clamping groove 404, then the movable rod 4 is rotated to enable the clamping block 405 to enter the second clamping groove 404, and therefore positions of the clamping block 405, the movable rod 4 and the fixed bar 203 are changed, and at the moment, the two groups of clamping hooks 205 are close to each other by the two opposite movement fixed bars 203 and are right above the opening;
then, the knob 107 is reversely rotated, the actions are reversely repeated, so that the two movable sleeves 105 slide downwards, the fixed frame 202, the fixed strip 203 and the clamping hooks 205 are pulled to move downwards, the clamping hooks 205 are inserted into the openings of a patient, the handle 406 is rotated again to drive the moving rod 4 to rotate, the clamping blocks 405 move towards the notch of the second clamping groove 404, the two limiting springs 401 with previous accumulating force rebound, the fixed strip 203 is pulled to move towards the inside of the fixed frame 202, meanwhile, in the moving process of the two fixed strips 203, the two groups of clamping hooks 205 move away from each other, meat in the openings is scraped off, bones are further exposed until the clamping blocks 405 move to the notch of the first clamping groove 403, the moving rod 4 is rotated, the clamping blocks 405 enter into the first clamping grooves 403, the positions of the moving rod 4, the fixed strips 203 and the clamping hooks 205 are fixed, the openings can be automatically scraped off without operating the clamping hooks 205 by multiple persons, and damaged bones are removed;
at this time, the movable bar 3 is retrieved, the two positioning blocks 503 are pressed, so that the positioning blocks 503 move towards the inside of the moving groove, the telescopic rods 504 and the positioning springs 505 are compressed, the two inserting blocks 5 are respectively inserted into the two inserting grooves 501, the positioning blocks 503 enter the inserting grooves 501, the inserting blocks 5 are pressed downwards until the positioning blocks 503 move to the side surfaces of the positioning grooves 502, the compressed telescopic rods 504 and the positioning springs 505 rebound, the positioning blocks 503 are pushed to move towards the positioning grooves 502, and therefore the positions of the inserting blocks 5 are fixed, and the positions of the movable bar 3 are fixed;
the limiting groove 303 of the second screw rod 302 is slidably connected with the limiting block 304, so that the second screw rod 302 cannot rotate, then the threaded sleeve 301 is rotated, and the second screw rod 302 slides downwards, so that the supporting seat 305 and the two semicircular sleeves 306 are driven to enter the inside of the opening, when the screw is used for fixing, the femoral part of the prosthesis is inserted between the two semicircular sleeves 306, and the small hammer is used for knocking the screw to fix the femoral part of the prosthesis with normal bone, in the knocking process, the femoral part of the prosthesis can only slide along one direction between the two semicircular sleeves 306, so that the femoral part of the prosthesis cannot incline until the femoral part of the prosthesis is inserted into normal bone through the screw, and the knocking and fixing are more convenient;
after the fixation is finished, the screw rod 6 is rotated, so that threads with opposite rotation directions on the outer surface of the screw rod 6 are rotated, the first nut block 601 and the second nut block 602 are driven to slide oppositely, the two semicircular sleeves 306 are driven to be separated through the two sliding blocks 603, the above actions are repeated, the movable strip 3 is taken down, the two semicircular sleeves 306 can be taken out from the opening, and the two groups of hooks 205 move upwards to be separated from the opening and are unfolded.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a prosthetic auxiliary stabilization device for artificial hip joint replacement operation, includes operation table (1), its characterized in that: the utility model discloses a surgical operation bed, including fixing base (2) and fixed frame (202), fixed frame (203) are fixed on the upper surface of fixing base (2), fixed frame (202) are fixed on the upper surface of fixed frame (2), fixed frame (2) and fixed frame (203) are fixed on the upper surface of fixed frame (1), fixed frame (2) and fixed frame (201) are connected with cushion (207) in opposite directions, fixed frame (2) and fixed frame (201) are connected with movable sleeve (105) through lifting assembly, movable sleeve (105) sliding connection is on the inner wall of fixed frame (201), and top of movable sleeve (105) passes the roof of fixed frame (201) outwards to extend and fixedly connected with fixed frame (202), be provided with spacing subassembly between fixed frame (202) and the fixed frame (203);
two equal fixedly connected with connecting block (204) of one end in opposite directions of fixed strip (203), fixedly connected with three trip (205) on the lateral wall of connecting block (204), and three the tip of trip (205) is the arc setting, the upper surface fixedly connected with fixed block (206) of connecting block (204), the inside of fixed block (206) is provided with joint subassembly, and is connected with movable strip (3) through the joint subassembly, just the lower surface at movable strip (3) both ends is laminated mutually with two fixed blocks (206) respectively, the through-hole has been seted up in the geometric center department of movable strip (3), the lower surface rotation of movable strip (3) is connected with threaded sleeve (301), threaded connection has second lead screw (302) on the inner wall of threaded sleeve (301), the top of second lead screw (302) passes through the through-hole and upwards extends, two spacing groove (303) have been seted up to the surface of second lead screw (302), fixedly connected with two stopper (304) on the inner wall of through-hole, just stopper (3) sliding connection is in the inner wall of two spacing groove (306), the bottom of two support sleeve (305) have two transmission sleeve (305) fixedly connected with one pair of transmission sleeve (306).
2. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 1, wherein: the lifting assembly comprises a rotating shaft (101), the rotating shaft (101) is rotationally connected to the inner wall of a fixed seat (2), two first conical gears (102) are fixedly sleeved on the outer surface of the rotating shaft (101), the first conical gears (102) are connected with second conical gears (103) in a meshed mode, first screw rods (104) are fixedly connected to the inner wall of the second conical gears (103), the first screw rods (104) are rotationally connected with the bottom wall of a supporting block (201), the bottom wall penetrating through the supporting block (201) extends towards the inside of the supporting block (201), and movable sleeves (105) are in threaded connection with the outer surface of the first screw rods (104).
3. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 2, wherein: two moving blocks (106) are symmetrically and fixedly connected to the outer surface of the bottom of the movable sleeve (105), and the moving blocks (106) are slidably connected with the inner wall of the supporting block (201).
4. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 2, wherein: one end of the rotating shaft (101) penetrates through the outer wall of the fixed seat (2) and the operating table (1) to extend outwards and is fixedly connected with a knob (107).
5. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 1, wherein: the limiting assembly comprises a moving rod (4), the end part of the moving rod (4) is rotationally connected with the end part of a fixed bar (203), two limiting springs (401) are fixedly connected between the end part of the fixed bar (203) and the inner wall of a fixed frame (202), a fixed sleeve (402) is fixedly connected with the end part of the fixed frame (202), and the other end of the moving rod (4) penetrates through the outer wall of the fixed frame (202) and the fixed sleeve (402) to extend outwards and is fixedly connected with a handle (406).
6. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 5, wherein: the outer surface of fixed sleeve (402) has seted up first draw-in groove (403) and second draw-in groove (404), just first draw-in groove (403) are linked together with second draw-in groove (404), the surface fixedly connected with fixture block (405) of movable rod (4), fixture block (405) are laminated with the inner wall of first draw-in groove (403) mutually.
7. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 1, wherein: the clamping assembly comprises an inserting block (5), the inserting block (5) is fixedly connected to the lower surface of the end portion of the movable strip (3), a slot (501) is formed in the upper surface of the fixed block (206), the inserting block (5) is inserted into the slot (501), a positioning groove (502) is formed in the side wall of the fixed block (206), a positioning block (503) is arranged on the side wall of the inserting block (5), and the positioning block (503) is attached to the inner wall of the positioning groove (502).
8. A prosthetic auxiliary stabilizing device for use in artificial hip replacement surgery according to claim 7, wherein: the side wall of the insertion block (5) is provided with a moving groove, the positioning block (503) is slidably connected to the inner wall of the moving groove, a telescopic rod (504) and a positioning spring (505) are fixedly connected between the inner wall of the moving groove and the positioning block (503), and the positioning spring (505) is sleeved on the outer surface of the telescopic rod (504).
9. A prosthetic auxiliary stabilization device for use in artificial hip replacement surgery according to claim 1, wherein: the transmission assembly comprises a screw rod (6), the screw rod (6) is rotationally connected with the inner wall of a supporting seat (305), one of the screw rods (6) penetrates through the outer wall of the supporting seat (305) to extend outwards, threads with opposite rotation directions are formed on the outer surface of the screw rod (6), a first nut block (601) and a second nut block (602) are connected with the threads respectively, the first nut block (601) and the second nut block (602) are connected onto the inner wall of the supporting seat (305) in a sliding mode, sliding blocks (603) are fixedly connected to the lower surfaces of the first nut block (601) and the second nut block (602), sliding grooves are formed in the lower surface of the supporting seat (305), and the two sliding blocks (603) are connected into the sliding grooves in a sliding mode and are fixedly connected with two semicircular sleeves (306) respectively.
CN202110106748.XA 2021-01-26 2021-01-26 Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation Active CN112932634B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110106748.XA CN112932634B (en) 2021-01-26 2021-01-26 Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110106748.XA CN112932634B (en) 2021-01-26 2021-01-26 Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation

Publications (2)

Publication Number Publication Date
CN112932634A CN112932634A (en) 2021-06-11
CN112932634B true CN112932634B (en) 2023-05-02

Family

ID=76237311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110106748.XA Active CN112932634B (en) 2021-01-26 2021-01-26 Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation

Country Status (1)

Country Link
CN (1) CN112932634B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107212933A (en) * 2017-07-11 2017-09-29 田�文明 A kind of hip replacement surgery assistive device
CN209966462U (en) * 2019-01-29 2020-01-21 云南省第一人民医院 Posterior approach hip joint replacement operation auxiliary device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR865701A0 (en) * 2001-11-02 2001-11-29 Egan, Michael Surgical apparatus and surgical methods
EP1696807B1 (en) * 2003-11-18 2009-09-30 Smith & Nephew, Inc. Surgical technique and instrumentation for minimal incision hip arthroplasty surgery
DE102012105264B4 (en) * 2012-06-18 2016-06-09 MAQUET GmbH Device for fixing a femur in hip endoprosthesis
CN209048567U (en) * 2018-02-09 2019-07-02 何友武 The minimally invasive total hip arthroplasty bed of all-around mobile positioning
CN108498213A (en) * 2018-03-06 2018-09-07 诸暨市开翎工业设计有限公司 A kind of fixed implantation equipment of high molecular polythene hip cotyle
CN109350260B (en) * 2018-12-04 2024-01-09 南通市第一老年病医院(上海大学附属南通医院、南通市第六人民医院、南通市肺科医院) Hip joint tension measuring device in artificial hip joint replacement
CN110141407B (en) * 2019-06-12 2021-02-05 宋晓飞 Hip joint replacement operation auxiliary device
CN210903913U (en) * 2019-10-11 2020-07-03 胡伟 Clinical hip joint operation support of orthopedics
CN111436982B (en) * 2020-04-02 2021-03-16 青岛大学附属医院 Artificial hip joint replacement retracting exposure positioner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107212933A (en) * 2017-07-11 2017-09-29 田�文明 A kind of hip replacement surgery assistive device
CN209966462U (en) * 2019-01-29 2020-01-21 云南省第一人民医院 Posterior approach hip joint replacement operation auxiliary device

Also Published As

Publication number Publication date
CN112932634A (en) 2021-06-11

Similar Documents

Publication Publication Date Title
CN107510524B (en) A kind of adjustable Invasive lumbar fusion device and its adjust tool
WO2009068011A2 (en) System comprising final prostheses and devices for the minimally invasive and cementless implantation of shoulder and hip endoprostheses and the improvement of the femoral neck offset
CN112932634B (en) Prosthetic auxiliary stabilizing device used in artificial hip joint replacement operation
CN109528354B (en) Telescopic multi-section type 3D printing artificial rib
CN208388949U (en) It is a kind of to lead passively changeable lower limb recovering aid instrument
CN206950257U (en) A kind of reduction of the fracture lock
CN108836510B (en) Based on arm bone surgery positioning device
CN215937505U (en) Retractor for spinal surgery
CN114392111A (en) Medical orthopedic surgery joint replacement auxiliary stand
CN108852509A (en) A kind of novel brothers' microsurgery Medical instrument fixture
CN214713181U (en) Patient's limbs mount is used in operating room nursing convenient to adjust
CN212730014U (en) Tracheotomy patient's bronchoscope inspection support
CN111067613B (en) Rotary femoral intramedullary needle extractor
CN210301390U (en) Multifunctional knee joint cold compress pressurizing fixing device
CN209564569U (en) A kind of limb exercising device for intervening postoperative care
CN113288304A (en) Continuous type intracardiac branch of academic or vocational study of structure presses hemostasis device is pressed to simulation both hands
CN109009564B (en) Metal prosthesis device for filling tendon with cancellous bone
CN217014558U (en) Clinical nursing bracket of surgery
CN113101006B (en) Collagen line implantation device
CN215459804U (en) Leg operation support for orthopedics department
CN215459854U (en) Upper limb rehabilitation training frame for nursing
CN213666579U (en) Medical rehabilitation device with massage function
CN112168610A (en) Orthopedics postoperative resumes auxiliary device suitable for different state of an illness
CN215652328U (en) Medical device for general surgery trauma operation
CN207821953U (en) A kind of device for making interbody bone column

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230828

Address after: 266000 No. 16, Jiangsu Road, Qingdao, Shandong

Patentee after: THE AFFILIATED HOSPITAL OF QINGDAO University

Patentee after: Yu Haiqing

Address before: 276599 Room 502, unit 1, building 2, No.26 Zhenxing East Road, Ju county, Rizhao City, Shandong Province

Patentee before: Lai Changmin

TR01 Transfer of patent right