CN112370219B - Bone joint prosthesis - Google Patents
Bone joint prosthesis Download PDFInfo
- Publication number
- CN112370219B CN112370219B CN202011224339.1A CN202011224339A CN112370219B CN 112370219 B CN112370219 B CN 112370219B CN 202011224339 A CN202011224339 A CN 202011224339A CN 112370219 B CN112370219 B CN 112370219B
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- Prior art keywords
- joint
- connecting rod
- locking
- seat
- plate
- Prior art date
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 96
- 238000005452 bending Methods 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims description 22
- 210000003194 forelimb Anatomy 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 210000003141 lower extremity Anatomy 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 210000003414 extremity Anatomy 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 210000001145 finger joint Anatomy 0.000 description 2
- 230000008407 joint function Effects 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 210000000811 metacarpophalangeal joint Anatomy 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 208000000094 Chronic Pain Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 206010003246 arthritis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000001513 elbow Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 206010039073 rheumatoid arthritis Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
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 discloses a bone joint prosthesis, which comprises a bending mechanism for simulating a joint, an auxiliary mechanism for limiting, a first connecting mechanism and a second connecting mechanism for connecting bones, wherein the auxiliary mechanism is arranged at the lower end of the bending mechanism, the first connecting mechanism and the second connecting mechanism are respectively connected with two ends of the bending mechanism, fine tuning mechanisms are arranged on the first connecting mechanism and the second connecting mechanism, and locking mechanisms are arranged on the fine tuning mechanisms. According to the invention, after the two locking plates extend out, the position of the adjusting seat can be effectively positioned, so that the stability is ensured, and the crossed bolt perforation and the locking plate limit groove are utilized, so that the connection effect and the installation stability of the bolt are ensured, and the safety is ensured.
Description
Technical Field
The invention relates to the field of bone joint prostheses, in particular to a bone joint prosthesis.
Background
At present, joint replacement of large joints such as hip, knee, elbow, ankle and the like is mature day by day, and joint replacement of small joints such as metacarpophalangeal joints and the like is still in the primary stage of development. The key reason of the method that people suffering from the facet arthritis, the rheumatoid arthritis and the joint teratogenesis are not treated by joint replacement surgery in China is that at present, there is almost no domestic finger joint prosthesis product in China, and the imported product is expensive and far exceeds the acceptable range of common people. Because of the complex metacarpophalangeal joint structure, the chronic pain, stiffness and deformity of the joints lead to the weakening or losing of hand functions, and the finger joint prosthesis replacement is truly the most effective method for relieving joint pain and improving joint functions.
In general, in joint treatment, an auxiliary treatment is performed by using a prosthesis, but in the process of performing prosthesis installation, most of the auxiliary treatment is performed by using a preset mode, because the initial positioning hole of the prosthesis is not suitable for all people due to the problem of the preset mode, the adjustment is required, and the discomfort of a patient can be caused by excessive adjustment.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a bone joint prosthesis.
The invention realizes the above purpose through the following technical scheme:
the bone joint prosthesis comprises a bending mechanism for simulating a joint, an auxiliary mechanism for limiting, a first connecting mechanism and a second connecting mechanism for connecting bones, wherein the auxiliary mechanism is arranged at the lower end of the bending mechanism, the first connecting mechanism and the second connecting mechanism are respectively connected with two ends of the bending mechanism, fine tuning mechanisms are arranged on the first connecting mechanism and the second connecting mechanism, and locking mechanisms are arranged on the fine tuning mechanisms;
the bending mechanism comprises a first joint, a second joint, a main connecting rod and a stabilizing seat, one end of the first joint is connected with the second joint, one end of the second joint is provided with the main connecting rod, one end of the main connecting rod is provided with the stabilizing seat, the other end of the first joint is connected with the second connecting mechanism, and one end of the stabilizing seat is connected with the first connecting mechanism;
the auxiliary mechanism comprises a first supporting plate, a second supporting plate, a silica gel seat and a limiting protection steel plate, wherein the first supporting plate is connected to the lower end of the first joint, the second supporting plate is connected to the lower end of the stabilizing seat, the lower ends of the first supporting plate and the second supporting plate are both connected with the limiting protection steel plate, and the silica gel seat is arranged outside the limiting protection steel plate;
the first connecting mechanism comprises a hind limb connecting rod, a first bolt hole and a first limit groove, wherein the first bolt hole and the first limit groove are formed in the hind limb connecting rod, and the first bolt hole and the first limit groove are arranged at an included angle of ninety degrees;
the second connecting mechanism comprises a first forelimb connecting rod, a second bolt hole and a second limit groove, wherein the second forelimb connecting rod is arranged at the rear side of the first forelimb connecting rod, the second bolt hole and the second limit groove are formed in the first forelimb connecting rod and the second forelimb connecting rod, and the second bolt hole and the second limit groove are arranged at ninety-degree included angles;
the fine adjustment mechanism comprises an adjustment seat, bolt perforation, a locking plate limit groove and a fastening bolt, wherein the bolt perforation is formed on the adjustment seat, the locking plate limit groove is formed between the adjustment seat and the locking mechanism, the fastening bolt is connected to the bolt perforation, and a movable limit groove is formed inside the adjustment seat.
Preferably: the locking mechanism comprises locking plates, anti-skid patterns, matching blocks and reset springs, wherein the two locking plates are respectively arranged on the upper end face and the lower end face of the adjusting seat, the outer side faces of the locking plates are provided with the anti-skid patterns, the two ends of each locking plate are respectively provided with the matching blocks, and the reset springs are arranged between the matching blocks and the movable limiting grooves.
So set up, when fastening bolt passes the regulation seat, fastening bolt will two the locking plate is ejecting, thereby makes the regulation seat can be in the hind limb connecting rod with first forelimb connecting rod the inside location of second forelimb connecting rod, and then guarantee connection stability.
Preferably: the locking mechanism comprises locking plates, anti-skid patterns, matching blocks and reset pieces, wherein the two locking plates are respectively arranged on the upper end face and the lower end face of the adjusting seat, the outer side faces of the locking plates are provided with the anti-skid patterns, the two ends of each locking plate are respectively provided with the matching blocks, and the reset pieces are arranged between the matching blocks and the movable limiting grooves.
The reset piece assists the locking plate to guarantee that the reset piece is in an initial position, and adjustment of the adjusting seat is not affected.
Preferably: the first joint is connected with the second joint through a pin shaft, the second joint, the main connecting rod and the stabilizing seat are integrally formed, and the first joint, the second joint, the main connecting rod and the stabilizing seat are made of stainless steel.
So arranged, the first joint and the second joint function in a connecting way, thereby forming a later bending joint.
Preferably: the first support plate is connected with the first joint through welding, the second support plate is connected with the stabilizing seat through welding, and the first support plate, the second support plate and the limit protection steel plate are connected through welding.
So set up, first backup pad the second backup pad plays the supporting role, spacing protection steel sheet plays and stops and spacing effect, reaches knee joint angle spacing effect that opens and shuts.
Preferably: the first bolt hole and the first limit groove are integrally formed in the hind limb connecting rod.
So set up, the hind limb connecting rod plays the linking effect.
Preferably: the bolt perforation and the locking plate limit groove are integrally formed in the adjusting seat, and the fastening bolt is connected with the adjusting seat through threads.
So set up, the regulation seat plays fixed mounting fastening bolt's effect.
Preferably: the locking plate is connected with the adjusting seat in a sliding mode, the anti-skid threads are integrally formed on the locking plate, and the matching block and the locking plate are integrally formed.
So set up, two the locking plate is after stretching out, can effectively fix a position adjust seat position to guarantee stability.
Compared with the prior art, the invention has the following beneficial effects:
1. after the two locking plates extend out, the position of the adjusting seat can be effectively positioned, so that the stability is ensured;
2. utilize crisscross bolt perforation and locking plate spacing groove to can guarantee the stability of the connection effect and the installation of bolt, guarantee the security.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a first schematic illustration of a bone joint prosthesis according to the present invention;
FIG. 2 is a second schematic view of an osteoarticular prosthesis according to the present invention;
FIG. 3 is a schematic view of an auxiliary mechanism of the bone joint prosthesis according to the present invention;
FIG. 4 is a schematic view of a fine tuning mechanism of an osteoarticular prosthesis according to the present invention;
FIG. 5 is a cross-sectional view of an adjustment seat of an osteoarticular prosthesis according to the present invention;
FIG. 6 is a schematic view of a locking plate structure of an osteoarticular prosthesis according to the present invention;
FIG. 7 is a schematic view of a return spring structure of an osteoarticular prosthesis according to the present invention;
fig. 8 is a schematic view of a reduction blade structure of an osteoarticular prosthesis according to the present invention.
The reference numerals are explained as follows:
1. a bending mechanism; 2. an auxiliary mechanism; 3. a first connection mechanism; 4. a second connection mechanism; 5. a fine adjustment mechanism; 6. a locking mechanism; 11. a first joint; 12. a second joint; 13. a main connecting rod; 14. a stabilizing seat; 21. a first support plate; 22. a second support plate; 23. a silica gel seat; 24. limiting and protecting the steel plate; 31. a hind limb connecting rod; 32. a first bolt hole; 33. a first limit groove; 41. a first forelimb connecting rod; 42. a second forelimb connecting rod; 43. a second bolt hole; 44. the second limit groove; 51. an adjusting seat; 52. perforating a bolt; 53. a locking plate limit groove; 54. a fastening bolt; 55. a movable limit groove; 61. a locking plate; 62. anti-skid lines; 63. a mating block; 64. a return spring; 611. and resetting the sheet.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention is further described below with reference to the accompanying drawings:
example 1
As shown in fig. 1-7, the bone joint prosthesis comprises a bending mechanism 1 for simulating a joint, an auxiliary mechanism 2 for limiting, a first connecting mechanism 3 and a second connecting mechanism 4 for connecting bones, wherein the auxiliary mechanism 2 is arranged at the lower end of the bending mechanism 1, the first connecting mechanism 3 and the second connecting mechanism 4 are respectively connected at the two ends of the bending mechanism 1, fine tuning mechanisms 5 are respectively arranged on the first connecting mechanism 3 and the second connecting mechanism 4, and a locking mechanism 6 is arranged on the fine tuning mechanisms 5;
the bending mechanism 1 comprises a first joint 11, a second joint 12, a main connecting rod 13 and a stabilizing seat 14, wherein one end of the first joint 11 is connected with the second joint 12, one end of the second joint 12 is provided with the main connecting rod 13, one end of the main connecting rod 13 is provided with the stabilizing seat 14, the other end of the first joint 11 is connected with the second connecting mechanism 4, and one end of the stabilizing seat 14 is connected with the first connecting mechanism 3;
the auxiliary mechanism 2 comprises a first supporting plate 21, a second supporting plate 22, a silica gel seat 23 and a limiting protection steel plate 24, wherein the first supporting plate 21 is connected to the lower end of the first joint 11, the second supporting plate 22 is connected to the lower end of the stabilizing seat 14, the lower ends of the first supporting plate 21 and the second supporting plate 22 are both connected with the limiting protection steel plate 24, and the silica gel seat 23 is arranged outside the limiting protection steel plate 24;
the first connecting mechanism 3 comprises a hind limb connecting rod 31, a first bolt hole 32 and a first limit groove 33, wherein the first bolt hole 32 and the first limit groove 33 are formed in the hind limb connecting rod 31, and the first bolt hole 32 and the first limit groove 33 are arranged at an included angle of ninety degrees;
the second connecting mechanism 4 comprises a first forelimb connecting rod 41, a second forelimb connecting rod 42, a second bolt hole 43 and a second limit groove 44, the second forelimb connecting rod 42 is arranged at the rear side of the first forelimb connecting rod 41, the second bolt hole 43 and the second limit groove 44 are arranged on the first forelimb connecting rod 41 and the second forelimb connecting rod 42, and the second bolt hole 43 and the second limit groove 44 are arranged in a ninety-degree included angle;
the fine adjustment mechanism 5 comprises an adjustment seat 51, a bolt through hole 52, a locking plate limit groove 53 and a fastening bolt 54, wherein the bolt through hole 52 is formed in the adjustment seat 51, the locking plate limit groove 53 is arranged between the adjustment seat 51 and the locking mechanism 6, the fastening bolt 54 is connected to the bolt through hole 52, and a movable limit groove 55 is formed in the adjustment seat 51.
Preferably: the locking mechanism 6 comprises locking plates 61, anti-skid threads 62, matching blocks 63 and return springs 64, wherein the two locking plates 61 are respectively arranged on the upper end face and the lower end face of the adjusting seat 51, the anti-skid threads 62 are arranged on the outer side faces of the locking plates 61, the matching blocks 63 are arranged at the two ends of the locking plates 61, the return springs 64 are arranged between the matching blocks 63 and the movable limiting grooves 55, and when the fastening bolts 54 penetrate through the adjusting seat 51, the fastening bolts 54 eject the two locking plates 61, so that the adjusting seat 51 can be positioned inside the rear limb connecting rod 31, the first front limb connecting rod 41 and the second front limb connecting rod 42, and the connection stability is further ensured; the first joint 11 is connected with the second joint 12 through a pin shaft, the second joint 12, the main connecting rod 13 and the stabilizing seat 14 are integrally formed, the first joint 11, the second joint 12, the main connecting rod 13 and the stabilizing seat 14 are made of stainless steel, and the first joint 11 and the second joint 12 are connected, so that a later bending joint is formed; the first support plate 21 is connected with the first joint 11 through welding, the second support plate 22 is connected with the stabilizing seat 14 through welding, the first support plate 21, the second support plate 22 and the limit protection steel plate 24 are connected through welding, the first support plate 21 and the second support plate 22 play a supporting role, the limit protection steel plate 24 plays a blocking and limiting role, and the knee joint opening and closing angle limiting role is achieved; the first bolt hole 32 and the first limit groove 33 are integrally formed on the hind limb connecting rod 31, and the hind limb connecting rod 31 plays a role in connection; the bolt through hole 52 and the locking plate limit groove 53 are integrally formed on the adjusting seat 51, the fastening bolt 54 is connected with the adjusting seat 51 through threads, and the adjusting seat 51 plays a role of fixedly mounting the fastening bolt 54; the locking plate 61 is connected with the adjusting seat 51 in a sliding way, the anti-skid patterns 62 are integrally formed on the locking plate 61, the matching block 63 and the locking plate 61 are integrally formed, and the two locking plates 61 can effectively position the adjusting seat 51 after extending out, so that stability is ensured.
Example 2
As shown in fig. 8, this embodiment differs from embodiment 1 in that:
the locking mechanism 6 comprises locking plates 61, anti-skid patterns 62, matching blocks 63 and reset pieces 611, wherein the two locking plates 61 are respectively arranged on the upper end face and the lower end face of the adjusting seat 51, the anti-skid patterns 62 are arranged on the outer side faces of the locking plates 61, the matching blocks 63 are arranged at two ends of the locking plates 61, the reset pieces 611 are arranged between the matching blocks 63 and the movable limiting grooves 55, and the reset pieces 611 assist the locking plates 61 to guarantee that the adjusting seat 51 is not affected in the initial position.
Working principle: when the device is required to be installed, the device is positioned in advance at the position between the device and the skeleton, then the drilling and positioning of the skeleton are carried out, after the rear limb connecting rod 31 is inserted into the skeleton, the pre-installation is carried out by utilizing the fastening bolt 54, at the moment, the position of the adjusting seat 51 is adjusted according to the installation positioning, after the position is proper, the fastening bolt 54 is rotated into the bolt through hole 52, the fastening bolt 54 pushes the two locking plates 61, so that the locking plates 61 are pushed out to be tightly matched with the rear limb connecting rod 31 for continuous rotation installation, after the installation positioning of the fastening bolt 54 and the adjusting seat 51 is finished, the bolt of the first bolt hole 32 hole position is installed, the stability and the accuracy of the installation of the device can be ensured, and the position installation step of the second connecting mechanism 4 is consistent with the position of the first connecting mechanism 3.
The foregoing has shown and described the basic principles, principal features and advantages of the 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.
Claims (6)
1. A bone joint prosthesis characterized in that: the device comprises a bending mechanism (1) for simulating joints, an auxiliary mechanism (2) for limiting, a first connecting mechanism (3) and a second connecting mechanism (4) for connecting bones, wherein the auxiliary mechanism (2) is arranged at the lower end of the bending mechanism (1), the first connecting mechanism (3) and the second connecting mechanism (4) are respectively connected to two ends of the bending mechanism (1), fine adjusting mechanisms (5) are respectively arranged on the first connecting mechanism (3) and the second connecting mechanism (4), and locking mechanisms (6) are arranged on the fine adjusting mechanisms (5);
the bending mechanism (1) comprises a first joint (11), a second joint (12), a main connecting rod (13) and a stabilizing seat (14), wherein one end of the first joint (11) is connected with the second joint (12), one end of the second joint (12) is provided with the main connecting rod (13), one end of the main connecting rod (13) is provided with the stabilizing seat (14), the other end of the first joint (11) is connected with the second connecting mechanism (4), and one end of the stabilizing seat (14) is connected with the first connecting mechanism (3);
the auxiliary mechanism (2) comprises a first supporting plate (21), a second supporting plate (22), a silica gel seat (23) and a limiting protection steel plate (24), wherein the first supporting plate (21) is connected to the lower end of the first joint (11), the second supporting plate (22) is connected to the lower end of the stabilizing seat (14), the limiting protection steel plate (24) is connected to the lower ends of the first supporting plate (21) and the second supporting plate (22), and the silica gel seat (23) is arranged outside the limiting protection steel plate (24);
the first connecting mechanism (3) comprises a rear limb connecting rod (31), a first bolt hole (32) and a first limit groove (33), wherein the first bolt hole (32) and the first limit groove (33) are formed in the rear limb connecting rod (31), and the first bolt hole (32) and the first limit groove (33) are arranged at an included angle of ninety degrees;
the second connecting mechanism (4) comprises a first forelimb connecting rod (41), a second forelimb connecting rod (42), a second bolt hole (43) and a second limit groove (44), wherein the second forelimb connecting rod (42) is arranged at the rear side of the first forelimb connecting rod (41), the second bolt hole (43) and the second limit groove (44) are formed in the first forelimb connecting rod (41) and the second forelimb connecting rod (42), and the second bolt hole (43) and the second limit groove (44) are arranged in a ninety-degree included angle;
the fine adjustment mechanism (5) comprises an adjustment seat (51), bolt perforations (52), a locking plate limiting groove (53) and a fastening bolt (54), wherein the bolt perforations (52) are formed in the adjustment seat (51), the locking plate limiting groove (53) is arranged between the adjustment seat (51) and the locking mechanism (6), the fastening bolt (54) is connected to the bolt perforations (52), and a movable limiting groove (55) is formed in the adjustment seat (51);
the locking mechanism (6) comprises locking plates (61), anti-skid patterns (62), matching blocks (63) and reset springs (64), wherein the two locking plates (61) are respectively arranged on the upper end face and the lower end face of the adjusting seat (51), the anti-skid patterns (62) are arranged on the outer side faces of the locking plates (61), the matching blocks (63) are arranged at two ends of each locking plate (61), and the reset springs (64) are arranged between the matching blocks (63) and the movable limiting grooves (55); or locking mechanism (6) include locking board (61), anti-skidding line (62), cooperation piece (63), reset piece (611), two locking board (61) set up respectively terminal surface about adjusting seat (51), locking board (61) lateral surface is provided with anti-skidding line (62), locking board (61) both ends all are provided with cooperation piece (63), cooperation piece (63) with be provided with between movable limiting groove (55) reset piece (611).
2. A bone joint prosthesis according to claim 1, characterized in that: the first joint (11) is connected with the second joint (12) through a pin shaft, the second joint (12) is integrally formed with the main connecting rod (13) and the stabilizing seat (14), and the first joint (11), the second joint (12), the main connecting rod (13) and the stabilizing seat (14) are made of stainless steel.
3. A bone joint prosthesis according to claim 1, characterized in that: the first support plate (21) is connected with the first joint (11) through welding, the second support plate (22) is connected with the stabilizing seat (14) through welding, and the first support plate (21), the second support plate (22) and the limit protection steel plate (24) are connected through welding.
4. A bone joint prosthesis according to claim 1, characterized in that: the first bolt hole (32) and the first limit groove (33) are integrally formed in the hind limb connecting rod (31).
5. A bone joint prosthesis according to claim 1, characterized in that: the bolt through hole (52) and the locking plate limiting groove (53) are integrally formed in the adjusting seat (51), and the fastening bolt (54) is connected with the adjusting seat (51) through threads.
6. A bone joint prosthesis according to claim 1, characterized in that: the locking plate (61) is slidably connected with the adjusting seat (51), the anti-skid threads (62) are integrally formed on the locking plate (61), and the matching block (63) and the locking plate (61) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224339.1A CN112370219B (en) | 2020-11-05 | 2020-11-05 | Bone joint prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224339.1A CN112370219B (en) | 2020-11-05 | 2020-11-05 | Bone joint prosthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112370219A CN112370219A (en) | 2021-02-19 |
| CN112370219B true CN112370219B (en) | 2024-02-20 |
Family
ID=74579241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011224339.1A Active CN112370219B (en) | 2020-11-05 | 2020-11-05 | Bone joint prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370219B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326360A (en) * | 1991-12-20 | 1994-07-05 | Howmedica Gmbh | Endoprosthesis for the knee joint |
| US5405399A (en) * | 1992-05-25 | 1995-04-11 | Etablissements Tornier | Total prosthesis for the metacarpo-phalangeal joint |
| CN106726021A (en) * | 2017-02-15 | 2017-05-31 | 上海凯利泰医疗科技股份有限公司 | Combined type cervical vertebral fusion cage |
| CN108042245A (en) * | 2017-12-31 | 2018-05-18 | 天津市赛宁生物工程技术有限公司 | A kind of anti-dislocation and the small joint prosthesis of fracture |
| CN110680572A (en) * | 2019-10-31 | 2020-01-14 | 苏州欣荣博尔特医疗器械有限公司 | Dislocation and fracture prevention ossicle joint prosthesis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1026925C2 (en) * | 2004-08-30 | 2006-03-01 | Univ Delft Tech | Joint prosthesis, blocking organ and method for bone fixation. |
-
2020
- 2020-11-05 CN CN202011224339.1A patent/CN112370219B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5326360A (en) * | 1991-12-20 | 1994-07-05 | Howmedica Gmbh | Endoprosthesis for the knee joint |
| US5405399A (en) * | 1992-05-25 | 1995-04-11 | Etablissements Tornier | Total prosthesis for the metacarpo-phalangeal joint |
| CN106726021A (en) * | 2017-02-15 | 2017-05-31 | 上海凯利泰医疗科技股份有限公司 | Combined type cervical vertebral fusion cage |
| CN108042245A (en) * | 2017-12-31 | 2018-05-18 | 天津市赛宁生物工程技术有限公司 | A kind of anti-dislocation and the small joint prosthesis of fracture |
| CN110680572A (en) * | 2019-10-31 | 2020-01-14 | 苏州欣荣博尔特医疗器械有限公司 | Dislocation and fracture prevention ossicle joint prosthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112370219A (en) | 2021-02-19 |
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