CN112370219A - Bone joint prosthesis - Google Patents
Bone joint prosthesis Download PDFInfo
- Publication number
- CN112370219A CN112370219A CN202011224339.1A CN202011224339A CN112370219A CN 112370219 A CN112370219 A CN 112370219A CN 202011224339 A CN202011224339 A CN 202011224339A CN 112370219 A CN112370219 A CN 112370219A
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- Prior art keywords
- joint
- connecting rod
- seat
- locking plate
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 238000005452 bending Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 12
- 210000003194 forelimb Anatomy 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 210000003141 lower extremity Anatomy 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
- 239000000463 material Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004088 simulation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 210000001145 finger joint Anatomy 0.000 description 2
- 210000000629 knee joint Anatomy 0.000 description 2
- 210000000811 metacarpophalangeal joint Anatomy 0.000 description 2
- 238000000034 method Methods 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
- 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
- 238000006073 displacement reaction 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
- 230000008407 joint function Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect 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
Images
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 joints, 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 the two ends of the bending mechanism, the first connecting mechanism and the second connecting mechanism are respectively provided with a fine adjustment mechanism, and the fine adjustment mechanism is provided with a locking mechanism. The invention can effectively position the adjusting seat after the two locking plates are extended out, thereby ensuring the stability, and can ensure the connection effect and the installation stability of the bolt and the safety by using the crossed bolt perforation and the locking plate limiting groove.
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 and ankle is mature day by day, and small joint replacement such as metacarpophalangeal joint is still in the initial stage of development. The key reason that most people suffering from small arthritis, rheumatoid arthritis and joint deformity in China do not accept the joint replacement surgery treatment method is that currently, no domestic finger joint prosthesis products exist, but imported products are high in price and far beyond the acceptable range of the common people. Since the metacarpophalangeal joints have complex structures, the chronic pain, stiffness and deformity of the joints cause the weakening or loss of the hand functions, and the replacement of the finger joint prosthesis is really the most effective method for relieving the joint pain and improving the joint functions.
Generally, in joint treatment, a prosthesis is used for auxiliary treatment, but most of the prosthesis is installed in a pre-positioning mode, because of the standard problem, an initial positioning hole of the prosthesis is not suitable for all people, so that adjustment is needed, and the discomfort of a patient can be caused by excessive adjustment.
Disclosure of Invention
The present invention aims to solve the above problems and to provide a bone joint prosthesis.
The invention realizes the purpose through the following technical scheme:
a bone joint prosthesis comprises a bending mechanism for simulating joints, 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 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 limiting groove, the first bolt hole and the first limiting groove are formed in the hind limb connecting rod, and the first bolt hole and the first limiting groove are arranged in a ninety-degree included angle;
the second connecting mechanism comprises a first forelimb connecting rod, a second bolt hole and a second limiting groove, the second forelimb connecting rod is arranged on the rear side of the first forelimb connecting rod, the second bolt hole and the second limiting groove are arranged on the first forelimb connecting rod and the second forelimb connecting rod, and the second bolt hole and the second limiting groove are arranged at an included angle of ninety degrees;
the fine-tuning mechanism comprises an adjusting seat, a bolt through hole, a locking plate limiting groove and a fastening bolt, the bolt through hole is formed in the adjusting seat, the adjusting seat and the locking mechanism are provided with the locking plate limiting groove, the fastening bolt is connected to the bolt through hole, and a movable limiting groove is formed in the adjusting seat.
Preferably: locking mechanism includes locking board, anti-skidding line, cooperation piece, reset spring, two the locking board sets up respectively terminal surface about the regulation seat, the locking board lateral surface is provided with anti-skidding line, the locking board both ends all are provided with the cooperation piece, the cooperation piece with be provided with between the activity spacing groove reset spring.
So set up, when fastening bolt passes adjust the seat, fastening bolt will two locking plate is ejecting, thereby makes adjust the seat can be in hind limb connecting rod with first forelimb connecting rod, second forelimb connecting rod inside location, and then guarantee connection stability.
Preferably: locking mechanism includes locking plate, anti-skidding line, cooperation piece, the piece that resets, two the locking plate sets up respectively terminal surface about the regulation seat, the locking plate lateral surface is provided with anti-skidding line, the locking plate both ends all are provided with the cooperation piece, the cooperation piece with be provided with between the activity spacing groove the piece that resets.
So set up, the piece that resets plays the assistance the locking plate guarantees at initial position, does not influence the regulation of adjusting the seat.
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 set up, first joint with the second joint plays the connection effect to constitute the joint of buckling in later stage.
Preferably: first backup pad passes through welded connection first joint, the second backup pad passes through welded connection the stable seat, first backup pad the second backup pad spacing protection steel sheet passes through welded connection.
So set up, first backup pad the second backup pad plays supporting role, spacing protection steel sheet plays and blocks and limiting displacement, reaches the spacing effect of knee joint angle of opening and shutting.
Preferably: the first bolt hole and the first limit groove are integrally formed in the hind limb connecting rod.
So set up, hind limb connecting rod plays the connection effect.
Preferably: the bolt is perforated, the locking plate limiting groove is integrally formed in the adjusting seat, and the fastening bolt is connected with the adjusting seat through threads.
So set up, adjust the seat and play fixed mounting fastening bolt effect.
Preferably: the locking plate is connected with the adjusting seat in a sliding mode, the anti-skid grains 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 can effectively fix a position the regulation seat position after stretching out to guarantee stability.
Compared with the prior art, the invention has the following beneficial effects:
1. after the two locking plates are extended out, the position of the adjusting seat can be effectively positioned, so that the stability is ensured;
2. the crossed bolt through holes and the locking plate limiting grooves are utilized, so that the connecting effect of the bolts and the mounting stability can be ensured, and the safety is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a first schematic representation of a bone joint prosthesis according to the invention;
FIG. 2 is a second schematic representation of a bone joint prosthesis according to the invention;
FIG. 3 is a schematic structural diagram of an auxiliary mechanism of the bone joint prosthesis according to the invention;
FIG. 4 is a schematic structural view of a fine adjustment mechanism of the bone joint prosthesis according to the present invention;
FIG. 5 is a cross-sectional view of an adjustment seat of a bone joint prosthesis according to the present invention;
FIG. 6 is a schematic diagram of a locking plate structure of the bone joint prosthesis according to the present invention;
FIG. 7 is a schematic structural view of a return spring of the bone joint prosthesis according to the present invention;
fig. 8 is a schematic structural diagram of a reduction plate of the bone joint prosthesis according to the invention.
The reference numerals are explained below:
1. a bending mechanism; 2. an auxiliary mechanism; 3. a first connecting mechanism; 4. a second connecting 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 base; 21. a first support plate; 22. a second support plate; 23. a silica gel base; 24. limiting a protective 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. a second limit groove; 51. an adjusting seat; 52. perforating the bolt; 53. a locking plate limiting groove; 54. fastening a bolt; 55. a movable limiting groove; 61. a locking plate; 62. anti-skid lines; 63. a matching block; 64. a return spring; 611. a reset sheet.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
example 1
As shown in fig. 1-7, a 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 a bone, 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, a fine adjustment mechanism 5 is respectively arranged on each of the first connecting mechanism 3 and the second connecting mechanism 4, and a locking mechanism 6 is arranged on each of the fine adjustment mechanisms 5;
the bending mechanism 1 comprises a first joint 11, a second joint 12, a main connecting rod 13 and a stabilizing base 14, 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 base 14, the other end of the first joint 11 is connected with the second connecting mechanism 4, and one end of the stabilizing base 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 hind limb connecting rod 31, a first bolt hole 32 and a first limiting groove 33, wherein the hind limb connecting rod 31 is formed with the first bolt hole 32 and the first limiting groove 33, and the first bolt hole 32 and the first limiting 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 limiting groove 44, the second forelimb connecting rod 42 is arranged at the rear side of the first forelimb connecting rod 41, the first forelimb connecting rod 41 and the second forelimb connecting rod 42 are both provided with the second bolt hole 43 and the second limiting groove 44, and the second bolt hole 43 and the second limiting groove 44 are arranged at a ninety-degree included angle;
the fine adjustment mechanism 5 comprises an adjustment seat 51, a bolt through hole 52, a locking plate limiting groove 53 and a fastening bolt 54, the bolt through hole 52 is 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 through hole 52, and a movable limiting groove 55 is arranged inside the adjustment seat 51.
Preferably: the locking mechanism 6 comprises locking plates 61, anti-skid threads 62, matching blocks 63 and a return spring 64, the two locking plates 61 are respectively arranged on the upper end surface and the lower end surface of the adjusting seat 51, the anti-skid threads 62 are arranged on the outer side surfaces of the locking plates 61, the matching blocks 63 are arranged at the two ends of the locking plates 61, the return spring 64 is arranged between the matching blocks 63 and the movable limiting groove 55, and when the fastening bolt 54 penetrates through the adjusting seat 51, the fastening bolt 54 pushes out the two locking plates 61, so that the adjusting seat 51 can be positioned inside the hind limb connecting rod 31, the first forelimb connecting rod 41 and the second forelimb 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 all made of stainless steel, and the first joint 11 and the second joint 12 are connected to form a later-stage bending joint; the first supporting plate 21 is connected with the first joint 11 through welding, the second supporting plate 22 is connected with the stabilizing base 14 through welding, the first supporting plate 21, the second supporting plate 22 and the limiting protection steel plate 24 are connected through welding, the first supporting plate 21 and the second supporting plate 22 play a supporting role, the limiting protection steel plate 24 plays a blocking and limiting role, and the effect of limiting the opening and closing angle of the knee joint 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 limiting groove 53 are integrally formed in 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 in fixedly mounting the fastening bolt 54; seat 51 is adjusted to locking plate 61 sliding connection, and anti-skidding line 62 integrated into one piece is in locking plate 61, cooperation piece 63 and locking plate 61 integrated into one piece, and two locking plates 61 can effective location adjust seat 51 position after stretching out to guarantee stability.
Example 2
As shown in fig. 8, the present embodiment is different from embodiment 1 in that:
the locking mechanism 6 comprises locking plates 61, anti-slip patterns 62, matching blocks 63 and reset pieces 611, the two locking plates 61 are respectively arranged on the upper end surface and the lower end surface of the adjusting seat 51, the anti-slip patterns 62 are arranged on the outer side surfaces of the locking plates 61, the matching blocks 63 are arranged at the 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 play a role in assisting the locking plates 61 to be guaranteed to be at the initial position without influencing the adjustment of the adjusting seat 51.
The working principle is as follows: when the device is required to be installed, the device is pre-positioned between the device and a skeleton, then the skeleton is drilled and positioned, the hind limb connecting rod 31 is inserted into the skeleton, the fastening bolt 54 is used for pre-installation, the position of the adjusting seat 51 is adjusted according to installation positioning, the fastening bolt 54 is rotated into the bolt through hole 52 after the position is proper, the fastening bolt 54 pushes the two locking plates 61, the locking plates 61 are pushed out to be tightly matched with the hind limb connecting rod 31, the installation is continued to be rotated, after the installation and positioning of the fastening bolt 54 and the adjusting seat 51 are completed, bolts in the hole positions of the first bolt holes 32 are installed, the stability and the accuracy of the installation of the device can be ensured, and the installation step of the position of the second connecting mechanism 4 is consistent with the position of the first connecting mechanism 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A bone joint prosthesis characterized by: the joint simulation 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 the two ends of the bending mechanism (1), fine adjustment 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 adjustment 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), 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), 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 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 limiting groove (33), the first bolt hole (32) and the first limiting groove (33) are formed in the hind limb connecting rod (31), and the first bolt hole (32) and the first limiting groove (33) are arranged in a ninety-degree included angle;
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 limiting groove (44), the second forelimb connecting rod (42) is arranged on the rear side of the first forelimb connecting rod (41), the second bolt hole (43) and the second limiting 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 limiting groove (44) are arranged in a ninety-degree included angle;
fine-tuning (5) are including adjusting seat (51), bolt perforation (52), locking plate spacing groove (53), fastening bolt (54), it has to adjust the shaping on seat (51) the bolt perforation (52), adjust seat (51) with be provided with between locking mechanism (6) locking plate spacing groove (53), be connected with on bolt perforation (52) fastening bolt (54), it is provided with activity spacing groove (55) to adjust seat (51) inside.
2. A bone joint prosthesis according to claim 1, wherein: locking mechanism (6) are including locking plate (61), anti-skidding line (62), cooperation piece (63), reset spring (64), two locking plate (61) sets up respectively terminal surface about adjusting seat (51), locking plate (61) lateral surface is provided with anti-skidding line (62), locking plate (61) both ends all are provided with cooperation piece (63), cooperation piece (63) with be provided with between activity spacing groove (55) reset spring (64).
3. A bone joint prosthesis according to claim 1, wherein: locking mechanism (6) are including locking plate (61), anti-skidding line (62), cooperation piece (63), piece (611) that resets, two locking plate (61) sets up respectively terminal surface about adjusting seat (51), locking plate (61) lateral surface is provided with anti-skidding line (62), locking plate (61) both ends all are provided with cooperation piece (63), cooperation piece (63) with be provided with between activity spacing groove (55) piece (611) resets.
4. A bone joint prosthesis according to claim 1, wherein: first joint (11) are through round pin hub connection second joint (12), second joint (12) main connecting rod (13) stabilize seat (14) integrated into one piece, first joint (11) second joint (12) main connecting rod (13) stabilize seat (14) material and be the stainless steel.
5. A bone joint prosthesis according to claim 1, wherein: first backup pad (21) are through welded connection first joint (11), second backup pad (22) are through welded connection stabilizing seat (14), first backup pad (21) second backup pad (22) spacing protection steel sheet (24) are through welded connection.
6. A bone joint prosthesis according to claim 1, wherein: the first bolt hole (32) and the first limit groove (33) are integrally formed in the hind limb connecting rod (31).
7. A bone joint prosthesis according to claim 1, wherein: 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.
8. A bone joint prosthesis according to claim 2, wherein: locking plate (61) sliding connection adjust seat (51), anti-skidding line (62) integrated into one piece in locking plate (61), cooperation piece (63) with locking plate (61) integrated into one piece.
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 true CN112370219A (en) | 2021-02-19 |
| CN112370219B CN112370219B (en) | 2024-02-20 |
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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 (6)
| 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 |
| US20080009949A1 (en) * | 2004-08-30 | 2008-01-10 | Technische Universiteit Delft | Joint Prosthesis and Method of Bone Fixation |
| 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 |
-
2020
- 2020-11-05 CN CN202011224339.1A patent/CN112370219B/en active Active
Patent Citations (6)
| 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 |
| US20080009949A1 (en) * | 2004-08-30 | 2008-01-10 | Technische Universiteit Delft | Joint Prosthesis and Method of Bone Fixation |
| 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 |
|---|---|
| CN112370219B (en) | 2024-02-20 |
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