CN114795601A - Implant structure for fixing orthopaedic prosthesis - Google Patents
Implant structure for fixing orthopaedic prosthesis Download PDFInfo
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- CN114795601A CN114795601A CN202210745465.4A CN202210745465A CN114795601A CN 114795601 A CN114795601 A CN 114795601A CN 202210745465 A CN202210745465 A CN 202210745465A CN 114795601 A CN114795601 A CN 114795601A
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- 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
-
- 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
- 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
- A61F2/468—Testing instruments for artificial joints
-
- 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
- A61F2002/4625—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 with relative movement between parts of the instrument during use
-
- 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
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- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses an implantation structure for fixing an orthopaedic prosthesis, which relates to the technical field of orthopaedic prosthesis implantation, and comprises a pushing handle, an implanted prosthesis, an operating tube, a knocking component and an identification component, wherein the knocking component is arranged in the operating tube and used for knocking the implanted prosthesis in the implantation process, and the identification component is used for detecting and identifying the gap in the implantation process. According to the implantation structure for fixing the orthopaedic prosthesis, after the implanted prosthesis is knocked and implanted, the rotating rod is rotated to a certain angle, the knocking rod is inclined to a certain angle through the rotation of the rotating rod and knocks the implanted prosthesis, and the knocking rod is inclined and knocked, so that the implanted prosthesis can be conveniently identified in the implanted and fixed process, and the stability of the implanted prosthesis after the implanted prosthesis is implanted and installed is ensured.
Description
Technical Field
The invention relates to the technical field of orthopaedic prosthesis implantation, in particular to an implantation structure for fixing an orthopaedic prosthesis.
Background
Osteology is also known as orthopedics. Is a specialty or discipline of medicine, which is specialized in studying the anatomy, physiology and pathology of the skeletal muscle system, maintaining and developing the normal morphology and function of the system using drugs, surgery and physical methods, and treating injuries and diseases of the system.
With the development and progress of science and technology, bone science has been greatly developed in diagnosis and treatment. The establishment and development of hand surgery enable the diagnosis and treatment technology of hand trauma to be rapidly popularized and improved; the extensive development of microsurgery leads the anastomosis and the release of the multi-toe free reconstruction hand and nerve bundles, and the anastomosis of small arteries with the diameter of 0.2mm is overcome; the new operation type is adopted to treat diseases such as scoliosis, cervical spondylosis, cervical stenosis and the like, and a better bone science effect is achieved; various effective surgical methods are adopted for arthritis patients, so that the patients lying in bed for many years stand up from the new position; the treatment of malignant bone tumor has been developed from single amputation to comprehensive treatment, and the cure rate and survival rate of the operation are improved; the clinical application of the knee arthroscope not only solves the diagnosis of some difficult arthrosis, but also realizes the synchronous diagnosis and treatment; with the development of material science, some complex fractures can also be treated by internal fixation; the functions and performances of the artificial joint and the artificial vertebral body are more perfect.
In orthopedics, a bone joint patient with pain symptoms and severe wear of a single gap cartilage of a knee joint is treated through knee joint unicondylar replacement surgery, in the treatment process, a diseased tibia is taken out in a minimally invasive mode, the gap is adjusted, after the gap adjustment is completed, a prosthesis is fixedly implanted on the tibia in a tenon-and-mortise fixing mode, but in the tenon-and-mortise implantation process of the prosthesis, the size of a mortise hole opening in the tibia is difficult to control, the gap is prone to being generated with a tenon-and-mortise pin on the prosthesis to cause instability of prosthesis implantation and fixation, in the existing prosthesis implantation process, the gap between the prosthesis and the tibia after the tenon-and-mortise fixation is difficult to detect and identify, the prosthesis implantation and fixation effect of the prosthesis is reduced, and therefore, an implantation structure for fixing the orthopaedic prosthesis is provided.
Disclosure of Invention
The present invention aims to provide an implant structure for fixing an orthopaedic prosthesis, which can detect and identify the gap between the implanted prosthesis and the tibia, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an implantation structure for fixing an orthopaedic prosthesis comprises a pushing handle and an implanted prosthesis, wherein one side of the implanted prosthesis, which is opposite to a tibia, is provided with a mortise and tenon pin and a mortise and tenon hole respectively;
the knocking component comprises a rotating rod which is rotatably connected to the operating pipe, a U-shaped frame is fixed at one end, located inside the operating pipe, of the rotating rod, an L-shaped plate is fixed at the lower end of the U-shaped frame, a plurality of T-shaped sliding rods are fixed on the L-shaped plate, a push plate is connected to each T-shaped sliding rod in a sliding mode, a knocking rod used for knocking an implanted prosthesis in an implantation process is fixed at the lower end of the push plate, a third spring is sleeved on the side wall of each T-shaped sliding rod, and an intermittent pushing component used for pushing the push plate intermittently is arranged on the U-shaped frame;
the identification assembly comprises a circular plate fixed on the rotating rod, a plurality of C-shaped limiting grooves are formed in the side wall of the circular plate in an annular array mode, the C-shaped limiting pin is arranged inside the operating tube, and an extrusion assembly used for extruding and pushing the C-shaped limiting pin is arranged inside the operating tube.
Preferably, coupling assembling is including fixing the first mounting panel in promotion handle one side, sliding connection has a plurality of first T type poles on the first mounting panel, each the other end of first T type pole is fixed with the fixed plate, the fixed plate is fixed mutually with the control tube.
Preferably, the adsorption component includes the piston of sliding connection in the control tube upper end, the upper end of piston is fixed with the second mounting panel, sliding connection has a plurality of T type guide arms on the second mounting panel, each the one end of T type guide arm is fixed mutually with the upper end of control tube, each the cover is equipped with first spring on the lateral wall of T type guide arm, the upper end of piston is fixed with the pulling handle that is used for the piston pulling, the upper end of control tube is provided with and is used for spacing subassembly behind the piston pulling.
Preferably, spacing subassembly is including installing the install bin in the control tube upper end, the open setting in one side of install bin orientation second mounting panel, the inside of install bin is fixed with a plurality of dead levers, each sliding connection has the slide bar on the dead lever, each the other end of slide bar is fixed with the rectangular plate, rectangular plate sliding connection is on the install bin, each the cover is equipped with the second spring on the lateral wall of dead lever, the rectangular plate is fixed with a plurality of limiting plates, each by the vertical range in one side to the second mounting panel the first inclined plane has been seted up to the lower extreme of limiting plate.
Preferably, the intermittent type promotes the subassembly and includes the actuating lever of rotation connection on U type frame, be fixed with the driving-disc on the lateral wall of actuating lever, annular array is provided with a plurality of promotion pins that are used for the push pedal to promote on the lateral wall of driving-disc, be provided with the runner assembly that is used for the actuating lever pivoted on the handle tube.
Preferably, the runner assembly includes the push rod of sliding connection on the operation pipe, the one end of push rod is fixed mutually with one side that promotes the handle, the push rod is located the inside one end of operation pipe and is fixed with the rack, the one end that the actuating lever is located U type frame inside is fixed with the gear, intermeshing sets up between rack and the gear, be provided with on the push rod and be used for relieving spacing promotion subassembly between limiting plate and the second mounting panel.
Preferably, the pushing assembly comprises a pushing plate fixed on the pushing rod, a second inclined plane is formed in the pushing plate, and the second inclined plane is abutted to the rectangular plate.
Preferably, the extrusion subassembly is including fixing the strip shaped plate on the operation inside pipe wall, sliding connection has a plurality of second T type poles on the strip shaped plate, each the one end and the C type spacing round pin of second T type pole are fixed mutually, and are each the cover is equipped with the fourth spring on the lateral wall of second T type pole, the C type spacing round pin offsets with C type spacing groove and sets up under the spring action of each fourth spring.
Compared with the prior art, the invention has the beneficial effects that:
according to the implantation structure for fixing the orthopaedic prosthesis, after the implantation prosthesis is knocked and implanted, the rotating rod is rotated to a certain angle, the knocking rod is inclined to a certain angle through the rotation of the rotating rod and knocks the implanted prosthesis, the implanted prosthesis after implantation and installation is transversely stressed through the inclined knocking of the knocking rod, when a gap exists between the tenon-and-mortise pin and the tenon-and-mortise hole after the implanted prosthesis is implanted, the implanted prosthesis is pushed to be stressed to shake through the action of the transverse stress of the implanted prosthesis, the implanted prosthesis after stress is shaken through the shaking of the implanted prosthesis after the implanted prosthesis is stressed, the implanted prosthesis in the implantation and fixation process can be conveniently identified, and the stability of the implanted prosthesis after implantation and installation is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an adsorption assembly and a limiting assembly according to the present invention;
FIG. 3 is a schematic view of the internal structure of the pushing assembly and the limiting assembly of the present invention;
FIG. 4 is a schematic structural view of a knocking component and an identification component of the present invention;
FIG. 5 is a schematic structural view of a knocking assembly and an intermittent pushing assembly according to the present invention;
FIG. 6 is an enlarged view of FIG. 1 at A;
FIG. 7 is an enlarged view of FIG. 2 at B;
FIG. 8 is an enlarged view at C of FIG. 3;
fig. 9 is an enlarged view of fig. 4 at D.
In the figure: 1. pushing the handle; 2. implanting a prosthesis; 3. a tibia; 4. mortise and tenon holes; 5. mortise and tenon joint pin; 601. a first mounting plate; 602. a first T-bar; 603. a fixing plate; 7. operating the tube; 8. a suction cup; 901. a piston; 902. a second mounting plate; 903. a T-shaped guide rod; 904. a first spring; 905. pulling the handle; 1001. installing a box; 1002. fixing the rod; 1003. a slide bar; 1004. a second spring; 1005. a rectangular plate; 1006. a limiting plate; 1007. a first inclined plane; 1101. rotating the rod; 1102. a U-shaped frame; 1103. an L-shaped plate; 1104. a T-shaped slide bar; 1105. pushing the plate; 1106. a third spring; 1107. a tapping rod; 1201. a drive rod; 1202. a drive disc; 1203. pushing the pin; 1301. a push rod; 1302. a rack; 1303. a gear; 1401. a circular plate; 1402. a C-shaped limiting groove; 1403. a C-shaped limit pin; 1501. a strip plate; 1502. a second T-bar; 1503. a fourth spring; 1601. a push plate; 1602. a second inclined plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-9, an implantation structure for fixing an orthopaedic prosthesis is shown, which includes a pushing handle 1 and an implanted prosthesis 2, wherein a mortise and tenon joint pin 5 and a mortise and tenon joint hole 4 are respectively disposed on one side of the implanted prosthesis 2 opposite to a tibia 3, an operation tube 7, a knocking component disposed inside the operation tube 7 for knocking the implanted prosthesis 2 during an implantation process, and an identification component for detecting and identifying an implantation process gap, the operation tube 7 is connected to the pushing handle 1 through a connection component, one end of the operation tube 7 is connected to a suction cup 8, the operation tube 7 is provided with an adsorption component for fast adsorbing and fixing the implanted prosthesis 2, after the implanted prosthesis 2 is knocked and implanted, the rotation rod 1101 is rotated to a certain angle, the knocking rod 1107 is tilted to a certain angle and the implanted prosthesis 2 is knocked through the rotation rod 1101, and the knocking rod is tilted, the implanted prosthesis 2 after being implanted and installed is transversely stressed, when a gap exists between the mortise and tenon pin 5 and the mortise and tenon hole 4 after the implanted prosthesis 2 is implanted, the implanted prosthesis 2 is pushed to be stressed to shake under the action of the transverse stress of the implanted prosthesis 2, and the implanted and installed gap of the implanted prosthesis 2 is conveniently identified in the process of implanting and fixing the implanted prosthesis 2 through the shaking after the implanted prosthesis 2 is stressed, so that the stability of the implanted prosthesis 2 after being implanted and installed is ensured;
the knocking component comprises a rotating rod 1101 which is rotatably connected to the operating tube 7, a U-shaped frame 1102 is fixed at one end of the rotating rod 1101, which is positioned inside the operating tube 7, an L-shaped plate 1103 is fixed at the lower end of the U-shaped frame 1102, a plurality of T-shaped sliding rods 1104 are fixed on the L-shaped plate 1103, a push plate 1105 is slidably connected to each T-shaped sliding rod 1104, a knocking rod 1107 for knocking the implanted prosthesis 2 in the implanting process is fixed at the lower end of the push plate 1105, a third spring 1106 is sleeved on the side wall of each T-shaped sliding rod 1104, the movement of the pushed plate 1105 is guided by the plurality of T-shaped sliding rods 1104 after being stressed, the third spring 1106 is driven to deform under force to generate elastic force in the movement process of the push plate 1105, the push plate 1105 is convenient to reset by the elastic force of the third spring 1106, an intermittent pushing component for intermittently pushing the push plate 1105 is arranged on the U-shaped frame 1102, the extruding action of the intermittent pushing component on the push plate and the resetting action of the pushed plate 1105 by each third spring 1106, the push plate 1105 reciprocates up and down along with the rotation of the drive disc 1202, and through the up-and-down reciprocating motion of the push plate 1105, one end of the knocking rod 1107 intermittently knocks the implanted prosthesis 2, so as to knock and push the mortise and tenon pin 5 on the implanted prosthesis 2 into the mortise and tenon hole 4, so that the implanted prosthesis 2 is implanted and fixed on the tibia 3, and the implanted prosthesis 2 is implanted and fixed on the tibia 3;
the identification assembly comprises a circular plate 1401 fixed on a rotating rod 1101, a plurality of C-shaped limiting grooves 1402 are formed in the side wall of the circular plate 1401 in an annular array mode, a C-shaped limiting pin 1403 in the operating tube 7 is arranged in the operating tube 7, an extrusion assembly used for extruding and pushing the C-shaped limiting pin 1403 is arranged in the operating tube 7, the U-shaped frame 1102, the L-shaped plate 1103 and the push plate 1105 are driven to synchronously rotate through the rotation of the rotating rod 1101, the knocking rod 1107 tilts to a certain angle and knocks the implanted prosthesis 2 through the rotation of the push plate 1105, the implanted prosthesis 2 after being implanted and installed generates transverse stress through the tilting knocking of the knocking rod 1107, when a gap exists between the mortise pin 5 and the mortise 4 after the implanted prosthesis 2 is implanted, the implanted prosthesis 2 is pushed to generate shaking through the action of the transverse stress of the implanted prosthesis 2, and the shaking after the implanted prosthesis 2 is stressed, so that the gap for installing the implanted prosthesis 2 can be identified in the implanting and fixing process of the implanted prosthesis 2, ensuring the stability of the implanted prosthesis 2 after implantation installation.
The connecting assembly comprises a first mounting plate 601 fixed on one side of the pushing handle 1, a plurality of first T-shaped rods 602 are connected to the first mounting plate 601 in a sliding mode, a fixing plate 603 is fixed to the other end of each first T-shaped rod 602, the fixing plate 603 is fixed to the operating tube 7, and the pushing handle 1 is pushed to move towards the operating tube 7 after the movement of the implanted prosthesis 2 and the operating tube 7 is relatively limited through the connecting assembly.
The adsorption component comprises a piston 901 which is connected to the upper end of the operation tube 7 in a sliding manner, a second mounting plate 902 is fixed at the upper end of the piston 901, a plurality of T-shaped guide rods 903 are connected to the second mounting plate 902 in a sliding manner, one end of each T-shaped guide rod 903 is fixed to the upper end of the operation tube 7, a first spring 904 is sleeved on the side wall of each T-shaped guide rod 903, a pulling handle 905 used for pulling the piston 901 is fixed at the upper end of the piston 901, a limiting component used for limiting the pulled piston 901 is arranged at the upper end of the operation tube 7, the implanted prosthesis 2 is abutted against the sucker 8, the piston 901 is pulled by the pulling handle 905 to move away from the operation tube 7, negative pressure is generated inside the operation tube 7 by the sliding of the piston 901 in the pulling process that the piston 901 is far away from the operation tube 7, the implanted prosthesis 2 is adsorbed and fixed on the sucker 8 under the action of pressure, and in the pulling process of the piston 901, the pulled piston 901 is limited by the limiting component, and the implanted prosthesis 2 is tightly adsorbed on the sucking disc 8 by pulling and limiting the piston 901.
The limiting assembly comprises an installation box 1001 installed at the upper end of the operation tube 7, one side of the installation box 1001 facing the second installation plate 902 is open, a plurality of fixing rods 1002 are fixed inside the installation box 1001, a sliding rod 1003 is connected to each fixing rod 1002 in a sliding manner, a rectangular plate 1005 is fixed at the other end of each sliding rod 1003, the rectangular plate 1005 is connected to the installation box 1001 in a sliding manner, a second spring 1004 is sleeved on the side wall of each fixing rod 1002, a plurality of limiting plates 1006 are vertically arranged and fixed on one side of the rectangular plate 1005 close to the second installation plate 902, a first inclined plane 1007 is arranged at the lower end of each limiting plate 1006, in the process of pulling the piston 901, the second installation plate 902 on the piston 901 abuts against the first inclined planes 1007 on the limiting plates 1006 respectively, and under the interaction between the second installation plate 902 and the first inclined planes 1007, the rectangular plate 1005 is pushed to move close to the inside of the installation box 1001 in a forced manner, in the process of forced movement of the rectangular plate 1005, each sliding rod 1003 is pushed to slide on each fixed rod 1002 respectively, and the second springs 1004 are driven to deform under force to generate elastic force, after the piston 901 is pulled, the second mounting plate 902 on the piston 901 is not offset with the first inclined plane 1007 on the limiting plate 1006, at the moment, the rectangular plate 1005 is reset under the elastic force action of each second spring 1004, the reset through the rectangular plate 1005 enables the limiting plate 1006 to be offset with the lower end of the second mounting plate 902, and the piston 901 after being pulled is limited.
The intermittent pushing assembly comprises a driving rod 1201 rotationally connected to the U-shaped frame 1102, a driving disc 1202 is fixed on the side wall of the driving rod 1201, a plurality of pushing pins 1203 used for pushing the push plate 1105 are arranged on the side wall of the driving disc 1202 in an annular array mode, a rotating assembly used for rotating the driving rod 1201 is arranged on the operating tube 7, the driving disc 1202 on the driving rod 1201 and the driving disc 1201 are driven to rotate through the rotating assembly in the implanting and installing process of the implanted prosthesis 2, and in the rotating process of the driving disc 1202, the pushing pins 1203 on the driving disc 1202 are used for pushing the push plate 1105 intermittently.
The rotating assembly comprises a push rod 1301 which is connected to the operating tube 7 in a sliding mode, one end of the push rod 1301 is fixed to one side of the pushing handle 1, a rack 1302 is fixed to one end, located inside the operating tube 7, of the push rod 1301, a gear 1303 is fixed to one end, located inside the U-shaped frame 1102, of the driving rod 1201, the rack 1302 and the gear 1303 are arranged in a meshed mode, a pushing assembly used for relieving the limiting position between the limiting plate 1006 and the second mounting plate 902 is arranged on the push rod 1301, the operating tube 7 and the implanted prosthesis 2 which is fixedly adsorbed are pushed to move towards the tibia 3 through the pushing handle 1, the mortise and tenon pin 5 is abutted against the mortise 4 in the moving process, after the mortise pin 5 is abutted against the mortise 4, the movement of the implanted prosthesis 2 and the operating tube 7 is relatively limited due to the size matching effect of mortise installation, and the pushing handle 1 is pushed continuously at the moment, the pushing handle 1 is abutted against the limited operating tube 7, in the process that the push handle 1 moves towards the operation tube 7, the push rod 1301 pushes the rack 1302 to slide in the operation tube 7, and in the process that the rack 1302 slides, the rack 1302 and the gear 1303 are in meshed transmission to drive the driving rod 1201 to rotate.
The pushing assembly comprises a pushing plate 1601 fixed on a push rod 1301, a second inclined surface 1602 has been arranged on the pushing plate 1601, the second inclined surface 1602 offsets with a rectangular plate 1005, the pushing rod 1301 leans against the process of moving to an operation pipe 7, the second inclined surface 1602 on the pushing plate 1601 offsets with the rectangular plate 1005, under the transmission action of force, push the rectangular plate 1005 towards the inside of an installation box 1001, through the pushing of the rectangular plate 1005, make a limiting plate 1006 no longer offset with a second installation plate 902, at this moment, the second installation plate 902 and a piston 901 reset under the elastic action of each first spring 904, through the resetting of the piston 901, make the suction cup 8 no longer adsorb the implanted prosthesis 2 for limitation, avoid the adsorption action of the suction cup 8 and the negative pressure action inside the operation pipe 7 to reduce the effect of the implanted prosthesis 2 moving after being knocked, further the implanted fixing operation of the implanted prosthesis 2 is convenient.
The extrusion assembly comprises a strip plate 1501 fixed on the inner wall of the operation tube 7, the strip plate 1501 is connected with a plurality of second T-shaped rods 1502 in a sliding manner, one end of each second T-shaped rod 1502 is fixed with a C-shaped limit pin 1403, a fourth spring 1503 is sleeved on the side wall of each second T-shaped rod 1502, the C-shaped limit pin 1403 is abutted against a C-shaped limit groove 1402 under the elastic force action of each fourth spring 1503, the C-shaped limit pin 1403 is pushed to move far away from the circular plate 1401 in the rotating process of the rotating rod 1101, after the rotating rod 1101 rotates, the C-shaped limit pin 1403 resets and abuts against the C-shaped limit groove 1402 under the elastic force action of each fourth spring 1503, the rotating rod 1101 after rotation is limited and fixed through the relative action between the C-shaped limit groove 1402 and the C-shaped limit pin 1403, the movement of the C-shaped limit pin 1403 is guided through each second T-shaped rod 1502 in the movement process of the C-shaped limit pin 1403, facilitating more stable movement of the C-shaped spacing pin 1403.
In the scheme: an implant structure for orthopaedic prosthesis fixation comprising the steps of:
in the process of fixedly implanting the implanted prosthesis 2, the implanted prosthesis 2 to be implanted is fixedly adsorbed on the sucker 8, in the process of adsorbing and fixing the implanted prosthesis 2, the implanted prosthesis 2 is abutted against the sucker 8, the piston 901 is pulled by pulling the handle 905 to move away from the operating tube 7, in the process of pulling the piston 901 away from the operating tube 7, negative pressure is generated inside the operating tube 7 through the sliding of the piston 901, the implanted prosthesis 2 to be implanted is adsorbed and fixed on the sucker 8 under the action of the pressure, in the process of pulling the piston 901, the second mounting plates 902 on the piston 901 are respectively abutted against the first inclined surfaces 1007 on the limiting plates 1006, under the interaction between the second mounting plates 902 and the first inclined surfaces 1007, the rectangular plates are pushed to move towards the inside of the mounting box 1001 under the stress, in the process of the stress movement of the rectangular plates 1005, the sliding rods 1003 are respectively pushed to slide on the fixing rods 1002, the second springs 1004 are driven to deform under stress to generate elasticity, after the piston 901 is pulled, the second mounting plate 902 on the piston 901 is not abutted against the first inclined surface 1007 on the limiting plate 1006, at the moment, the rectangular plate 1005 is reset under the elasticity action of each second spring 1004, the limiting plate 1006 is abutted against the lower end of the second mounting plate 902 through the resetting of the rectangular plate 1005, the pulled piston 901 is limited, and the implanted prosthesis 2 is tightly adsorbed on the sucker 8 through the pulling and limiting of the piston 901;
after the implanted prosthesis 2 is completely adsorbed on the suction cup 8, the operating tube 7 and the adsorbed and fixed implanted prosthesis 2 are pushed to move towards the tibia 3 by pushing the handle 1, the mortise and tenon pin 5 is abutted against the mortise and tenon hole 4 in the moving process, after the mortise and tenon pin 5 is abutted against the mortise and tenon hole 4, the movement of the implanted prosthesis 2 and the operating tube 7 is relatively limited due to the size matching effect of mortise and tenon installation, at the moment, the pushing handle 1 is pushed continuously to move towards the limited operating tube 7 along with the pushing of the pushing handle 1, in the process of pushing the handle 1 to move towards the operating tube 7, the rack 1302 is pushed to slide in the operating tube 7 by the push rod 1301, in the sliding process of the rack 1302, the driving disc 1201 on the driving rod and the driving disc 1201 on the driving rod is driven to rotate by the mutual meshing transmission between the rack 1302 and the gear 1303, and in the rotating process of the driving disc 1202, through the extrusion action of each pushing pin 1203 on the driving disc 1202 on the pushing plate 1105 and the resetting action of each third spring 1106 on the extruded pushing plate 1105, the pushing plate 1105 reciprocates up and down along with the rotation of the driving disc 1202, through the up-and-down reciprocating motion of the pushing plate 1105, one end of the knocking rod 1107 intermittently knocks the implanted prosthesis 2, so as to knock the mortise and tenon pin 5 on the implanted prosthesis 2 into the mortise 4, so that the implanted prosthesis 2 is implanted and fixed on the tibia 3, and in the process that the pushing rod 1301 moves towards the operating tube 7, the second inclined plane 1602 on the pushing plate 1601 abuts against the rectangular plate 1005, under the transmission action of force, the rectangular plate 1005 is pushed towards the inside of the mounting box 1001, through the pushing of the rectangular plate 1005, the limiting plate 1005 does not abut against the second mounting plate 902 any more, at this time, the second mounting plate 901 and the piston 1006 resets under the elastic action of each first spring 904, by resetting the piston 901, the suction cup 8 does not adsorb and limit the implanted prosthesis 2 any more, so that the effect of the implanted prosthesis 2 moving after being knocked is avoided being reduced by the adsorption effect of the suction cup 8 and the negative pressure effect in the operating pipe 7, and the implanted prosthesis 2 is further convenient to implant and fix;
and in the process of knocking and implanting the implanted prosthesis 2, when the stability of the implanted prosthesis 2 implanted in the mortise and tenon joint on the tibia 3 needs to be detected and identified, the rotating rod 1101 is rotated to a certain angle and is limited by the limiting action between the C-shaped limiting pin 1403 and the C-shaped limiting groove 1402, the rotated rotating rod 1101 is driven to synchronously rotate the U-shaped frame 1102, the L-shaped plate 1103 and the push plate 1105 through the rotation of the rotating rod 1101, the knocking rod 1107 is inclined to a certain angle and knocks the implanted prosthesis 2 through the rotation of the push plate 1105, the implanted prosthesis 2 after being implanted and installed is transversely stressed through the inclined knocking of the knocking rod 1107, when a gap exists between the mortise pin 5 and the mortise and tenon joint hole 4 after the implanted prosthesis 2 is implanted, the implanted prosthesis 2 is pushed to shake under the action of the transverse stress of the implanted prosthesis 2, and the implanted prosthesis 2 shakes after being stressed, the gap of the implanted prosthesis 2 in the implantation and installation process can be identified conveniently, and the stability of the implanted prosthesis 2 after the implantation and installation is ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An implant structure for orthopaedic prosthesis fixation, comprising:
the artificial bone is characterized in that a handle (1) is pushed, an implant prosthesis (2) is implanted, and a mortise and tenon pin (5) and a mortise and tenon hole (4) are respectively arranged on one side, opposite to the tibia (3), of the implant prosthesis (2);
it is characterized by also comprising:
the operating tube (7) is connected with the pushing handle (1) through a connecting assembly, one end of the operating tube (7) is connected with a sucker (8), and an adsorption assembly used for rapidly adsorbing and fixing the implanted prosthesis (2) is arranged on the operating tube (7);
the knocking component is arranged in the operating tube (7) and used for knocking the implanted prosthesis (2) in the implantation process and the identification component for detecting and identifying the gaps in the implantation process;
the knocking component comprises a rotating rod (1101) which is rotatably connected to an operating tube (7), a U-shaped frame (1102) is fixed to one end, located inside the operating tube (7), of the rotating rod (1101), an L-shaped plate (1103) is fixed to the lower end of the U-shaped frame (1102), a plurality of T-shaped sliding rods (1104) are fixed to the L-shaped plate (1103), a push plate (1105) is connected to each T-shaped sliding rod (1104) in a sliding mode, a knocking rod (1107) used for knocking an implant prosthesis (2) in an implantation process is fixed to the lower end of the push plate (1105), a third spring (1106) is sleeved on the side wall of each T-shaped sliding rod (1104), and an intermittent pushing component used for intermittently pushing the push plate (1105) is arranged on the U-shaped frame (1102);
the identification assembly comprises a circular plate (1401) fixed on a rotating rod (1101), a plurality of C-shaped limiting grooves (1402) are formed in the side wall of the circular plate (1401) in an annular array mode, an internal C-shaped limiting pin (1403) of the operating tube (7) is arranged in the operating tube (7), and an extrusion assembly used for extruding and pushing the C-shaped limiting pin (1403) is arranged in the operating tube (7).
2. An implant structure for orthopaedic prosthesis fixation according to claim 1, wherein: coupling assembling is including fixing first mounting panel (601) in promotion handle (1) one side, sliding connection has a plurality of first T type poles (602) on first mounting panel (601), each the other end of first T type pole (602) is fixed with fixed plate (603), fixed plate (603) are fixed mutually with control tube (7).
3. An implant structure for orthopaedic prosthesis fixation according to claim 2, wherein: the adsorption assembly comprises a piston (901) which is connected to the upper end of an operating pipe (7) in a sliding mode, a second mounting plate (902) is fixed to the upper end of the piston (901), a plurality of T-shaped guide rods (903) are connected to the second mounting plate (902) in a sliding mode, one end of each T-shaped guide rod (903) is fixed to the upper end of the operating pipe (7), a first spring (904) is sleeved on the side wall of each T-shaped guide rod (903), a pulling handle (905) used for pulling the piston (901) is fixed to the upper end of the piston (901), and a limiting assembly used for limiting the position of the piston (901) after being pulled is arranged at the upper end of the operating pipe (7).
4. An implant structure for orthopaedic prosthesis fixation according to claim 3, wherein: spacing subassembly is including installing install box (1001) in control tube (7) upper end, install box (1001) is towards the uncovered setting in one side of second mounting panel (902), the inside of install box (1001) is fixed with a plurality of dead levers (1002), each sliding connection has slide bar (1003) on dead lever (1002), each the other end of slide bar (1003) is fixed with rectangular plate (1005), rectangular plate (1005) sliding connection is on install box (1001), each the cover is equipped with second spring (1004) on the lateral wall of dead lever (1002), rectangular plate (1005) are fixed with a plurality of limiting plates (1006) by the vertical range in one side to second mounting panel (902), each first inclined plane (1007) have been seted up to the lower extreme of limiting plate (1006).
5. An implant structure for orthopaedic prosthesis fixation according to claim 4, wherein: the intermittent pushing assembly comprises a driving rod (1201) rotatably connected to a U-shaped frame (1102), a driving disc (1202) is fixed on the side wall of the driving rod (1201), a plurality of pushing pins (1203) used for pushing a pushing plate (1105) are arranged on the side wall of the driving disc (1202) in an annular array mode, and a rotating assembly used for rotating the driving rod (1201) is arranged on the operating pipe (7).
6. An implant structure for orthopaedic prosthesis fixation according to claim 5, wherein: the rotating assembly comprises a push rod (1301) which is connected to the operating pipe (7) in a sliding mode, one end of the push rod (1301) is fixed to one side of the pushing handle (1), a rack (1302) is fixed to one end, located inside the operating pipe (7), of the push rod (1301), a gear (1303) is fixed to one end, located inside the U-shaped frame (1102), of the driving rod (1201), the rack (1302) and the gear (1303) are arranged in a meshed mode, and a pushing assembly used for releasing limiting between the limiting plate (1006) and the second mounting plate (902) is arranged on the push rod (1301).
7. An implant structure for orthopaedic prosthesis fixation according to claim 6, wherein: the pushing assembly comprises a pushing plate (1601) fixed on the pushing rod (1301), a second inclined plane (1602) is arranged on the pushing plate (1601), and the second inclined plane (1602) is abutted to the rectangular plate (1005).
8. An implant structure for orthopaedic prosthesis fixation according to claim 7, wherein: the extrusion subassembly is including fixing strip panel (1501) on operation pipe (7) inner wall, sliding connection has a plurality of second T type poles (1502) on strip panel (1501), each the one end and C type spacer pin (1403) of second T type pole (1502) are fixed mutually, each the cover is equipped with fourth spring (1503) on the lateral wall of second T type pole (1502), C type spacer pin (1403) offset the setting with C type spacing groove (1402) under the spring action of each fourth spring (1503).
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| CN202210745465.4A CN114795601B (en) | 2022-06-29 | 2022-06-29 | Implant structure for fixing orthopaedic prosthesis |
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| CN202210745465.4A CN114795601B (en) | 2022-06-29 | 2022-06-29 | Implant structure for fixing orthopaedic prosthesis |
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| US5196018A (en) * | 1991-06-26 | 1993-03-23 | Sulzer Medizinaltechnik Ag | Knock-out instrument for the shanks of hipjoint prostheses |
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