CN107647948A - Ankle joint fusion device - Google Patents
Ankle joint fusion device Download PDFInfo
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- CN107647948A CN107647948A CN201710911244.9A CN201710911244A CN107647948A CN 107647948 A CN107647948 A CN 107647948A CN 201710911244 A CN201710911244 A CN 201710911244A CN 107647948 A CN107647948 A CN 107647948A
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- connecting rod
- gasket
- rod
- adjusting
- ankle joint
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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
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4202—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for ankles
-
- 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
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4225—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for feet, e.g. toes
-
- 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
- A61F2/30721—Accessories
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30537—Special structural features of bone or joint prostheses not otherwise provided for adjustable
- A61F2002/30538—Special structural features of bone or joint prostheses not otherwise provided for adjustable for adjusting angular orientation
-
- 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
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
- A61F2002/30622—Implant for fusing a joint or bone material
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (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 provides a kind of ankle joint fusion device, including：Upper gasket, lower gasket and adjusting part, Upper gasket are used to abut with the first osteotomy surface；Lower gasket is used to abut with the second osteotomy surface；Adjusting part is arranged between Upper gasket and lower gasket and is all connected with Upper gasket and lower gasket, to adjust the spacing and angle between Upper gasket and lower gasket.So that in ankle facet fusion surgery is saved, can be according to the size and the thickness of angular adjustment fusing device that need fusion site and angle of inclination with needing fusion site to be adapted.Solve the problems, such as that ankle joint fusion cage of the prior art can not be applicable different ankle joints completely.
Description
Technical field
The present invention relates to area of medical devices, in particular to a kind of ankle joint fusion device.
Background technology
The bone of human body a quarter all concentrates on biped, and the bone of foot amounts to 26 pieces, up to 33, joint, tendon and
Up to up to a hundred pieces of ligament tissue.When these bones and cartilaginous tissue sustain damage, it is necessary to carry out numerous and diverse special and professional care.
In the surgical operation of foot and ankle, there is equally most commonly used operation：Joint fusion.Cause the operation
Reason is varied, and the most universal includes fracture and arthritis.Certainly, pain caused by this operation greatly, is recovered
Time was also required to for 10 to 12 weeks, and patient must also practise adapting to " new bone " under the guidance of doctor.
By taking podarthrum as an example, triple arthrodesis of foot refers to heel distance, the fusion with dice, away from 3 joints of boat.Postoperative ankle
Joint still maintains mobility.Operation purpose is stabilizing foot joint, correction deformity, and recovers its function.Due to this 3 joints
Face is in two mutually perpendicular planes, using different wedge excisions, can correct sufficient plantar flexion, face upward toe, be varus, outer
Turn over, interior receipts, abduction or height bend deformity；The joint wedge excision of two planes, it is possible to which three are made to above-mentioned various symphysic teratisms
Dimension correction.The lopsided species of foot is different, and degree differs, and therefore, the deep degree in three joints, fixing means are also each not to be had together.
By taking ankle-joint as an example, cartilaginous tissue abrasion easily occurs after ankle-joint wound, causes ankle-joint cartilage surface rough,
And finally trigger ankle joint wound arthritis, and the cardinal symptom of traumatic arthritis is exactly pain and handicapped.
At present, mainly there are two kinds for the arthritic treatment method of ankle joint wound：One kind is ankle-joint displacement technique, separately
One kind is ankle fusion.In view of the former therapeutic effect at a specified future date is bad, surgery cost is of a relatively high, and complication compared with
It is more, so, most of patients is more willing to select ankle fusion to be treated.
Ankle fusion is exactly to be planted between the tibiofibula of patient's shank and the astragalus of foot (i.e. at ankle-joint location)
Enter autologous bone, so that the two is connected, ankle-joint is formed Bony union, so as to finally eliminate the ankle-joint pain of patient,
And basic walking and motor function can be kept., it is necessary to which the cartilaginous tissue of patient's ankle is thoroughly removed before bone grafting；
After bone grafting, also to use many kinds of measures to carry out multi-faceted interior fixation and outer fixation to tibiofibula and astragalus, including the use of bone piece,
A variety of article and implements such as metallic screw, thick steel needle and external fixing rack.And the postoperative relative position kept between tibiofibula and astragalus is consolidated
It is fixed, then it is the key factor of final success or not of performing the operation.
Ankle joint needs the size of fusion site, angle to vary with each individual, traditional fusion device or the autologous bone nothing in operation
Method adjusts thickness and angle of inclination, so as to be applicable the ankle joint that need to be merged completely.
The content of the invention
It is a primary object of the present invention to provide a kind of ankle joint fusion device, closed with solving ankle of the prior art
The problem of section fusion device can not be applicable different ankle joints completely.
To achieve these goals, the invention provides a kind of ankle joint fusion device, including：Upper gasket, for
First osteotomy surface abuts；Lower gasket, for being abutted with the second osteotomy surface；Adjusting part, it is arranged between Upper gasket and lower gasket
And be all connected with Upper gasket and lower gasket, to adjust the spacing and angle between Upper gasket and lower gasket.
Further, adjusting part is multiple that multiple adjusting parts are arranged at intervals between Upper gasket and lower gasket.
Further, adjusting part is two, and bearing of trend interval of two adjusting parts along Upper gasket and lower gasket is set
Put.
Further, adjusting part includes：First connecting rod, first end and the Upper gasket of first connecting rod are hinged, first connecting rod
The second end abutted with lower gasket；Second connecting rod, the first end of second connecting rod abut with Upper gasket, the second end of second connecting rod with
Lower gasket is hinged；Wherein, the middle part of first connecting rod and the middle part of second connecting rod are hinged, to pass through first connecting rod and second connecting rod
Relative motion adjusts the spacing between Upper gasket and lower gasket.
Further, ankle joint fusion device also includes：Adjusting rod, one end of adjusting rod and the first end of first connecting rod
The first end of connection, the other end of adjusting rod and second connecting rod connects, to adjust the first end of first connecting rod and second connecting rod
Spacing between first end；Or one end of adjusting rod and the second end of first connecting rod connect, the other end of adjusting rod and second
The second end connection of connecting rod, to adjust the spacing between the second end of first connecting rod and the second end of second connecting rod；Wherein, first
Connecting rod and/or second connecting rod are set relative to adjusting rod position-adjustable, with the presence of adjusting rod by Upper gasket and under
Pad struts or furthered.
Further, adjusting part also includes：The second end connection of connecting rod rack, connecting rod rack and first connecting rod, first
Second end of connecting rod is connected by connecting rod rack with lower gasket；Wherein, adjusting rod has spiro rod section, offered on connecting rod rack with
The screw that spiro rod section matches, spiro rod section are located in screw to adjust the second end and the second connecting rod of first connecting rod when rotating
The second end between spacing to strut or further Upper gasket and lower gasket.
Further, adjusting part also includes：Pad support, pad support are fixedly installed on lower gasket and connected with second
Second end of bar is hinged；Wherein, adjusting rod also has the light bar segment that is oppositely arranged with spiro rod section, is offered on pad support and light
The unthreaded hole that bar segment matches, light bar segment are rotationally located in unthreaded hole, to coordinate adjusting rod to rotate.
Further, adjusting part also includes：Spacing head, spacing head are arranged on one end away from spiro rod section in light bar segment,
Spacing head moves along its axis for limiting adjusting rod.
Further, the both ends of connecting rod rack are provided with the first roller, and the first roller rollably contacts with lower gasket,
Connecting rod rack is contacted by the first roller with lower gasket.
Further, adjusting part also includes：Regulation handle, for being connected with adjusting rod, to drive adjusting rod to rotate.
Further, first connecting rod and second connecting rod are multiple that multiple first connecting rods and multiple second connecting rods are along upper
The bearing of trend of pad and lower gasket is arranged at intervals.
Further, adjusting part also includes：Connecting plate, the first end of first connecting rod and one end of connecting plate are hinged, the
The first end of two connecting rods is connected with connecting plate；Wherein, connecting plate is connected with Upper gasket adjustable angle.
Further, the first end of second connecting rod is provided with the second roller, and the second roller rollably contacts with connecting plate,
The first end of second connecting rod is contacted by the second roller with connecting plate.
Further, connecting plate is used on the end face of Upper gasket connection be provided with rotation fin, and Upper gasket is offered with turning
The rotation slot of dynamic fin matching, rotate fin and be rotationally embedded in rotation slot to adjust the angle between connecting plate and Upper gasket
Degree.
Using the ankle joint fusion device of technical solution of the present invention, including：Upper gasket, lower gasket and adjusting part, on
Pad is used to abut with the first osteotomy surface；Lower gasket is used to abut with the second osteotomy surface；Adjusting part is arranged on Upper gasket with
It is all connected between pad and with Upper gasket and lower gasket, to adjust the spacing and angle between Upper gasket and lower gasket.So that
Save in ankle facet fusion surgery, can be according to the size for needing fusion site and thickness and the inclination angle of angular adjustment fusing device
Degree is with needing fusion site to be adapted.Different ankles can not be applicable completely by solving ankle joint fusion cage of the prior art
The problem of joint.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is optional a kind of structural representation of ankle joint fusion device according to embodiments of the present invention；
Fig. 2 is optional a kind of structural representation of the adjusting part of ankle joint fusion device according to embodiments of the present invention
Figure；
Fig. 3 is that a kind of optional regulation handle of ankle joint fusion device is shown with adjustment structure according to embodiments of the present invention
It is intended to；
Fig. 4 is optional a kind of structural representation of the telescopic of ankle joint fusion device according to embodiments of the present invention；
Fig. 5 is that a kind of a kind of optional structure of working condition of ankle joint fusion device is shown according to embodiments of the present invention
It is intended to；
Fig. 6 is the structural representation of articulatio talonavicularis；And
Fig. 7 is that a kind of structure of optional ankle joint fusion device insertion articulatio talonavicularis according to embodiments of the present invention is shown
It is intended to.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, Upper gasket；20th, lower gasket；30th, adjusting part；31st, first connecting rod；32nd, second connecting rod；33rd, adjusting rod；34、
Connecting rod rack；35th, pad support；36th, the first roller；37th, regulation handle；38th, connecting plate；39th, the second roller；310th, rotate convex
Rib；40th, telescopic；50th, articulatio talonavicularis；60th, ankle joint fusion device.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Ankle joint fusion device according to embodiments of the present invention, as shown in figure 1, including：Upper gasket 10, the and of lower gasket 20
Adjusting part 30, Upper gasket 10 are used to abut with the first osteotomy surface；Lower gasket 20 is used to abut with the second osteotomy surface；Adjusting part
30 are arranged between Upper gasket 10 and lower gasket 20 and are all connected with Upper gasket 10 and lower gasket 20, to adjust Upper gasket 10 with
Spacing and angle between pad 20.
Using the ankle joint fusion device of technical solution of the present invention, including：Upper gasket 10, lower gasket 20 and adjusting part
30, Upper gasket 10 is used to abut with the first osteotomy surface；Lower gasket 20 is used to abut with the second osteotomy surface；Adjusting part 30 is arranged on
Be all connected between Upper gasket 10 and lower gasket 20 and with Upper gasket 10 and lower gasket 20, with adjust Upper gasket 10 and lower gasket 20 it
Between spacing and angle.So that in ankle facet fusion surgery is saved, can be according to the size and angular adjustment for needing fusion site
The thickness of fusing device and angle of inclination are with needing fusion site to be adapted.Solves ankle joint fusion cage of the prior art
The problem of different ankle joints can not be applicable completely.
When it is implemented, adjusting part 30 is multiple, between multiple adjusting parts 30 are between Upper gasket 10 and lower gasket 20
Every setting, so as to be adjusted by the different parts of each adjusting part 30 from Upper gasket 10 and lower gasket 20, make Upper gasket
There is different angles of inclination between 10 and lower gasket 20, meet different use demands.
Alternatively, as shown in figure 1, adjusting part 30 is two, two adjusting parts 30 are along Upper gasket 10 and lower gasket 20
Bearing of trend be arranged at intervals, two adjusting parts 30 adjust at the both ends of Upper gasket 10 and the bearing of trend of lower gasket 20 respectively
To different spacing, you can make Upper gasket 10 and lower gasket 20 meets the requirement of spacing, also meet the requirement at angle of inclination.
Specifically, as shown in Fig. 2 adjusting part 30 includes：First connecting rod 31 and second connecting rod 32, the of first connecting rod 31
One end is be hinged with Upper gasket 10, and the second end of first connecting rod 31 can slidably abut relatively with lower gasket 20；Second connecting rod 32
First end can be abutted slidably relatively with Upper gasket 10, and the second end of second connecting rod 32 and lower gasket 20 are be hinged；Wherein, first connects
The middle part of bar 31 and the middle part of second connecting rod 32 are hinged, so that first connecting rod 31 and second connecting rod 32 form a support machine
Structure, the spacing between Upper gasket 10 and lower gasket 20 is adjusted by the relative motion of first connecting rod 31 and second connecting rod 32, first
Second end at the second end and second connecting rod 32 of the first end of connecting rod 31 and the first end of second connecting rod 32 and first connecting rod 31
When relatively close, spacing between Upper gasket 10 and lower gasket 20 becomes big, the first end of first end and second connecting rod 32 and the
When second end of one connecting rod 31 and the second end of second connecting rod 32 are relatively distant from, the spacing between Upper gasket 10 and lower gasket 20 becomes
It is small.
In order to drive between first connecting rod 31 and second connecting rod 32 relative motion to adjust Upper gasket 10 and lower gasket
Spacing between 20.Further, ankle joint fusion device also includes：Adjusting rod 33, one end of adjusting rod 33 connect with first
The first end connection of bar 31, the other end of adjusting rod 33 is connected with the first end of second connecting rod 32, to adjust first connecting rod 31
Spacing between first end and the first end of second connecting rod 32；Or one end of adjusting rod 33 and the second end of first connecting rod 31
Connection, the other end of adjusting rod 33 is connected with the second end of second connecting rod 32, to adjust the second end and second of first connecting rod 31
Spacing between second end of connecting rod 32；Wherein, first connecting rod 31 and/or second connecting rod 32 are adjustable relative to the position of adjusting rod 33
Save land setting, so that Upper gasket 10 and lower gasket 20 are strutted or furthered in the presence of adjusting rod 33.
Specifically, the first connecting rod 31 on each adjusting part 30 and second connecting rod 32 are multiple, multiple first connecting rods
31 and multiple second connecting rods 32 along the bearing of trend of Upper gasket 10 and lower gasket 20 be arranged at intervals.Alternatively, each regulation group
First connecting rod 31 and second connecting rod 32 on part 30 are two, and two first connecting rods 31 and second connecting rod 32 are arranged in pairs, the
Second end of one connecting rod 31 is provided with connecting rod rack 34, and the second end of connecting rod rack 34 and each first connecting rod 31 is all connected with, even
The both ends of bar support 34 are provided with the first roller 36, and the first roller 36 rollably contacts with lower gasket 20, so that first
Second end of connecting rod 31 can be rolled by the first roller 36 on lower gasket 20.
One end of adjusting rod 33 has spiro rod section, and the screw to match with spiro rod section, screw rod are offered on connecting rod rack 34
Section is rotationally located in screw, by the way that the other end of adjusting rod 33 is fixed on the second end of second connecting rod 32, limitation
Adjusting rod 33 moves along its axis, and connects so as to when rotating adjusting rod 33, adjust the second end of first connecting rod 31 with second
Spacing between second end of bar 32 is to strut or further Upper gasket 10 and lower gasket 20.
Further, adjusting part 30 also includes：Pad support 35, pad support 35 are fixedly installed on lower gasket 20 simultaneously
It is hinged with the second end of second connecting rod 32；It is axially moveable to limit it while ensureing that adjusting rod 33 can rotate, specifically
Ground, adjusting rod 33 also have the light bar segment being oppositely arranged with spiro rod section, offer what is matched with light bar segment on pad support 35
Unthreaded hole, light bar segment are rotationally located in unthreaded hole, to coordinate adjusting rod 33 to rotate, one end away from spiro rod section in light bar segment
Limited location head is set, and spacing head is used to limit adjusting rod 33 and move along its axis, so as to when adjusting rod 33 rotates and spiro rod section
The second end of the second end and the second connecting rod 32 of regulation first connecting rod 31 is engaged closer or far from and then adjusting the He of Upper gasket 10
Spacing between lower gasket 20.
For the ease of being operated to adjusting rod 33, further, as shown in figure 3, adjusting part 30 also includes：Adjust hand
Handle 37, regulation handle 37 have the joint docked with adjusting rod 33, and regulation handle 37 is docking together vertically with adjusting rod 33
Adjusting rod 33 can be driven to rotate, so as to realize the regulation to Upper gasket 10 and lower gasket 20.
In order to when the both ends of Upper gasket 10 and lower gasket 20 are adjusted two adjusting parts 30, enable Upper gasket 10
Enough as the change at angle of inclination can adapt to the connection between two adjusting parts 30, further, as shown in Fig. 2 adjusting
Section component 30 also includes：Connecting plate 38, the first end of first connecting rod 31 and one end of connecting plate 38 are hinged, and the of second connecting rod 32
One end is provided with the second roller 39, and the first end of second connecting rod 32 is rollably contacted by the second roller 39 with connecting plate 38,
Connecting plate 38 is connected with the adjustable angle of Upper gasket 10.
Specifically, it is provided with the end face that connecting plate 38 connects for Upper gasket 10 and rotates fin 310, under Upper gasket 10
Offered on end face and rotate the rotation slot that match of fin 310, rotated fin 310 and be rotationally embedded in rotation slot so that the
The change of angle between connecting plate 38 and Upper gasket 10 is adapted to when one connecting rod 31 and second connecting rod 32 are strutted or shunk.
After the spacing between Upper gasket 10 and lower gasket 20 and angle of inclination regulation completion and fixing, it will adjust
The integrally closed of component 30 gets up, so as to be advantageous to the growth of bone tissue, further, as shown in figure 4, ankle joint fusion device
Also include：Telescopic 40, telescopic 40 be arranged between Upper gasket 10 and lower gasket 20 and around adjusting part 30 set so as to
Adjusting part is integrally wrapped up to closing.
In specific surgical procedure, as shown in Fig. 2, Fig. 3 and Fig. 5, using regulation handle 37 respectively at each adjusting part
30 adjusting rod 33 docks, and drives adjusting rod 33 to rotate by rotating regulation handle 37, adjusting rod 33 is connected through a screw thread drive
The connecting rod rack 34 of the bottom of first connecting rod 31 is axially moved along adjusting rod 33, makes the connecting rod rack 34 and of the bottom of first connecting rod 31
The distance between pad support 35 of the bottom of two connecting rod 32 changes, and drives whole first connecting rod 31 and second connecting rod 32 to transport
Dynamic, when two groups of adjusting parts 30 have difference in height, spacing and angle of inclination between Upper gasket 10 and lower gasket 20 change, from
And realize the thickness to whole ankle joint fusion device and the regulation at inclination inclination angle.As shown in Figure 5.After adjustment, pass through
Telescopic 40 coats to each adjusting part 30, makes ankle joint fusion device integrally closed, during clinical practice, ankle joint
Fusing device can adjust spacing and the angle of inclination between Upper gasket 10 and lower gasket 20 according to patient's actual demand, so as to reach
To optimal selection.
Illustrated below so that articulatio talonavicularis merges as an example, the position of articulatio talonavicularis 50 is as shown in fig. 6, as shown in fig. 7, in art
By otch, appear articulatio talonavicularis 50, do osteotomy according to actual conditions, adjusting part 30 is then passed through according to patient's actual demand
Adjustment effect, the spacing between the Upper gasket 10 and lower gasket 20 of ankle joint fusion device 60 and angle of inclination are adjusted
Section, so that ankle joint fusion device 60 can adapt to the space after osteotomy, but ankle joint fusion device 60 is filled out
In the space for entering the osteotomy surface of articulatio talonavicularis 50, it is with the embedded combination of bone to form incipient stability.
The beneficial effect that technical solution of the present invention is brought：
1st, the ankle joint fusion device of the embodiment of the present invention can realize the consecutive variations of thickness, can be according to patient in art
Actual conditions adjust sufficient fusing device thickness, so as to meet to treat installation requirements, are optimal selection；
2nd, the ankle joint fusion device of the embodiment of the present invention can realize the consecutive variations at angle of inclination, can basis in art
Patient's actual conditions regulation fusing device angle of inclination, so as to meet to treat installation requirements, is optimal selection；
3rd, adjusting part is coated and closed by the ankle joint fusion device of the embodiment of the present invention by telescopic, so as to favourable
In the growth of bone tissue；
4th, with size ankle joint fusion device without again prepare multiple different-thickness, angle alternative model, have very
Good versatility, greatly reduces the production cost of ankle joint fusion device, uses manpower and material resources sparingly.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
- A kind of 1. ankle joint fusion device, it is characterised in that including：Upper gasket (10), for being abutted with the first osteotomy surface；Lower gasket (20), for being abutted with the second osteotomy surface；Adjusting part (30), be arranged between the Upper gasket (10) and the lower gasket (20) and with the Upper gasket (10) and The lower gasket (20) is all connected with, to adjust spacing and angle between the Upper gasket (10) and the lower gasket (20).
- 2. ankle joint fusion device according to claim 1, it is characterised in that the adjusting part (30) to be multiple, Multiple adjusting parts (30) are arranged at intervals between the Upper gasket (10) and the lower gasket (20).
- 3. ankle joint fusion device according to claim 2, it is characterised in that the adjusting part (30) is two, Two adjusting parts (30) are arranged at intervals along the bearing of trend of the Upper gasket (10) and the lower gasket (20).
- 4. ankle joint fusion device according to claim 2, it is characterised in that the adjusting part (30) includes：First connecting rod (31), the first end and the Upper gasket (10) of the first connecting rod (31) are be hinged, the first connecting rod (31) the second end abuts with the lower gasket (20)；Second connecting rod (32), the first end of the second connecting rod (32) abut with the Upper gasket (10), the second connecting rod (32) the second end is be hinged with the lower gasket (20)；Wherein, the middle part of the first connecting rod (31) and the middle part of the second connecting rod (32) are hinged, to connect by described first Between the relative motion of bar (31) and the second connecting rod (32) is adjusted between the Upper gasket (10) and the lower gasket (20) Away from.
- 5. ankle joint fusion device according to claim 4, it is characterised in that the ankle joint fusion device also wraps Include：Adjusting rod (33), one end of the adjusting rod (33) are connected with the first end of the first connecting rod (31), the adjusting rod (33) the other end is connected with the first end of the second connecting rod (32), to adjust the first end of the first connecting rod (31) and institute State the spacing between the first end of second connecting rod (32)；Or one end of the adjusting rod (33) and the first connecting rod (31) The second end connection, the other end of the adjusting rod (33) is connected with the second end of the second connecting rod (32), with described in regulation Spacing between second end of first connecting rod (31) and the second end of the second connecting rod (32)；Wherein, the first connecting rod (31) and/or the second connecting rod (32) are relative to the adjusting rod (33) position-adjustable Ground is set, so that the Upper gasket (10) and the lower gasket (20) are strutted or furthered in the presence of the adjusting rod (33).
- 6. ankle joint fusion device according to claim 5, it is characterised in that the adjusting part (30) also includes：Connecting rod rack (34), the connecting rod rack (34) are connected with the second end of the first connecting rod (31), the first connecting rod (31) the second end is connected by the connecting rod rack (34) with the lower gasket (20)；Wherein, the adjusting rod (33) has spiro rod section, offers on the connecting rod rack (34) and matches with the spiro rod section Screw, the spiro rod section be located in the screw with adjusted when rotating the second end of the first connecting rod (31) with it is described Spacing between second end of second connecting rod (32), the Upper gasket (10) and the lower gasket (20) are strutted or furthered.
- 7. ankle joint fusion device according to claim 6, it is characterised in that the adjusting part (30) also includes：Pad support (35), the pad support (35) be fixedly installed on the lower gasket (20) and with the second connecting rod (32) the second end is hinged；Wherein, the adjusting rod (33) also has the light bar segment that is oppositely arranged with the spiro rod section, on the pad support (35) The unthreaded hole to match with the light bar segment is offered, the light bar segment is rotationally located in the unthreaded hole, with described in cooperation Adjusting rod (33) rotates.
- 8. ankle joint fusion device according to claim 7, it is characterised in that the adjusting part (30) also includes：Spacing head, the spacing head are arranged on one end away from the spiro rod section in the light bar segment, and the spacing head is used to limit The adjusting rod (33) is made to move along its axis.
- 9. ankle joint fusion device according to claim 6, it is characterised in that the both ends of the connecting rod rack (34) are equal The first roller (36) is provided with, first roller (36) rollably contacts with the lower gasket (20), the connecting rod rack (34) contacted by first roller (36) with the lower gasket (20).
- 10. ankle joint fusion device according to claim 5, it is characterised in that the adjusting part (30) also includes：Regulation handle (37), for being connected with the adjusting rod (33), to drive the adjusting rod (33) to rotate.
- 11. ankle joint fusion device according to claim 4, it is characterised in that the first connecting rod (31) and described Second connecting rod (32) is multiple, and multiple first connecting rods (31) and multiple second connecting rods (32) are along the Upper gasket (10) and the lower gasket (20) bearing of trend be arranged at intervals.
- 12. ankle joint fusion device according to claim 4, it is characterised in that the adjusting part (30) also includes：Connecting plate (38), the first end of the first connecting rod (31) and one end of the connecting plate (38) are hinged, and described second connects The first end of bar (32) is connected with the connecting plate (38)；Wherein, the connecting plate (38) is connected with the Upper gasket (10) adjustable angle.
- 13. ankle joint fusion device according to claim 12, it is characterised in that the first of the second connecting rod (32) End is provided with the second roller (39), and second roller (39) rollably contacts with the connecting plate (38), and described second connects The first end of bar (32) is contacted by second roller (39) with the connecting plate (38).
- 14. ankle joint fusion device according to claim 12, it is characterised in that the connecting plate (38) is used for described It is provided with the end face of Upper gasket (10) connection and rotates fin (310), the Upper gasket (10) offers and the rotation fin (310) rotation slot of matching, the rotation fin (310) are rotationally embedded in the rotation slot to adjust the connecting plate (38) angle between the Upper gasket (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911244.9A CN107647948A (en) | 2017-09-29 | 2017-09-29 | Ankle joint fusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710911244.9A CN107647948A (en) | 2017-09-29 | 2017-09-29 | Ankle joint fusion device |
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| Publication Number | Publication Date |
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| CN107647948A true CN107647948A (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710911244.9A Pending CN107647948A (en) | 2017-09-29 | 2017-09-29 | Ankle joint fusion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108420475A (en) * | 2018-03-20 | 2018-08-21 | 河北医科大学第三医院 | Gradual dilator after a kind of gonitis Tibial osteotomy |
| CN108784814A (en) * | 2018-08-08 | 2018-11-13 | 河北医科大学第三医院 | The padded device of combined type after a kind of gonitis Tibial osteotomy |
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| US20130204267A1 (en) * | 2004-11-24 | 2013-08-08 | Terry L. Dietz | Adjustable knee tibial trial insert |
| CN104799981A (en) * | 2015-05-22 | 2015-07-29 | 北京爱康宜诚医疗器材股份有限公司 | Bone and joint prosthesis platform gasket assembly |
| CN204798065U (en) * | 2015-05-22 | 2015-11-25 | 北京爱康宜诚医疗器材股份有限公司 | Bone joint prosthesis platform gasket subassembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130204267A1 (en) * | 2004-11-24 | 2013-08-08 | Terry L. Dietz | Adjustable knee tibial trial insert |
| CN104799981A (en) * | 2015-05-22 | 2015-07-29 | 北京爱康宜诚医疗器材股份有限公司 | Bone and joint prosthesis platform gasket assembly |
| CN204798065U (en) * | 2015-05-22 | 2015-11-25 | 北京爱康宜诚医疗器材股份有限公司 | Bone joint prosthesis platform gasket subassembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108420475A (en) * | 2018-03-20 | 2018-08-21 | 河北医科大学第三医院 | Gradual dilator after a kind of gonitis Tibial osteotomy |
| CN108784814A (en) * | 2018-08-08 | 2018-11-13 | 河北医科大学第三医院 | The padded device of combined type after a kind of gonitis Tibial osteotomy |
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Application publication date: 20180202 |