CN110559106A - distal bone cement cap structure of femoral biological handle - Google Patents
distal bone cement cap structure of femoral biological handle Download PDFInfo
- Publication number
- CN110559106A CN110559106A CN201910918480.2A CN201910918480A CN110559106A CN 110559106 A CN110559106 A CN 110559106A CN 201910918480 A CN201910918480 A CN 201910918480A CN 110559106 A CN110559106 A CN 110559106A
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- China
- Prior art keywords
- bone cement
- cement cap
- femoral
- biological
- cap
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- 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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- 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
- A61F2/28—Bones
- A61F2/2814—Bone stump caps
-
- 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
- A61F2/28—Bones
- A61F2002/2825—Femur
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- 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 distal bone cement cap structure of a femoral biological handle, which comprises a biological prosthesis (1), wherein the biological prosthesis (1) is arranged in a stem (2), a marrow cavity (4) is arranged in the stem (1), and the distal bone cement cap structure is characterized in that: one end of the biological prosthesis (1) extending into the backbone (1) is provided with a bone cement cap (3), the bone cement cap (3) is arranged in a marrow cavity (4), the cross section of the bone cement cap (3) is gradually reduced from one end of the bone cement cap (4) close to the biological prosthesis (1) to the other end, and the side surface of the bone cement cap (3) is provided with a plurality of concave holes. The distal bone cement cap structure of the femoral biological handle has the advantages of simple structure, convenience in arrangement, capability of conveniently achieving stable fixation of the distal end of the femoral biological handle, prevention of sinking and rotation resistance, fixation of the artificial bioprosthesis and self bone tissue in the later period, simplification of an operation mode, convenience in operation, short time, fewer complications and quick postoperative rehabilitation.
Description
Technical Field
The invention relates to a bone cement cap structure, in particular to a distal bone cement cap structure of a femoral biological handle, belonging to the technical field of femoral head replacement application.
Background
The femoral head is round and occupies about 2/3 of a sphere, the upper part of the femoral head is completely covered by articular cartilage, a small pit called femoral head concave is arranged at the top of the femoral head concave, and the femoral head is a femoral head ligament attachment part, so that a small amount of blood supply can be obtained by the femoral head; in recent years, the use of artificial femoral head replacement has become an important method for treating diseases such as intertrochanteric fracture of femur, fracture of femoral neck, and the like.
In the prior art, an external thread is arranged at one end of the bioprosthesis extending into the backbone, and the bioprosthesis is fixed with the inside of the backbone through the external thread in an operating room. Sometimes, the press-fit strength of the femoral head prosthesis is insufficient due to fracture of femoral distance and large and small tuberosity in the operation, and the incidence of postoperative complications such as postoperative prosthesis sinking and loosening is increased; in the early stage of installation, the biological handle may have poor installation stability and may be loosened.
Therefore, the distal bone cement cap structure of the femoral biological handle is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide a distal bone cement cap structure of a femoral biological handle.
The invention realizes the purpose through the following technical scheme:
The utility model provides a biological handle distal end bone cement cap structure of thighbone, includes biological prosthesis (1), biological prosthesis (1) sets up in diaphysis (1), the inside of diaphysis (1) has marrow chamber (4), biological prosthesis (1) stretches into the one end of diaphysis (1) is provided with bone cement cap (3), bone cement cap (3) set up in marrow chamber (4), follow bone cement cap (4) are close to the one end to the other end of biological prosthesis (1), the cross section of bone cement cap (3) diminishes gradually, the side of bone cement cap (3) is provided with a plurality of shrinkage pools.
Furthermore, the bone cement cap (3) is fixedly connected with the bioprosthesis (1).
Furthermore, one end, close to the bioprosthesis (1), of the bone cement cap (3) is provided with a cap bolt connecting rod (31), and one end, far away from the bone cement cap (3), of the anchor bolt connecting rod (31) is provided with a cross rod.
furthermore, the one end of crab-bolt connecting rod (31) is preset in bone cement cap (3), the other end of crab-bolt connecting rod (31) stretches into in bioprosthesis (1), be provided with in bioprosthesis (1) with crab-bolt connecting rod (31) complex recess.
Furthermore, bone cement is arranged in the groove.
Furthermore, the shape of the cement cap (4) is matched to the shape of the marrow cavity (4).
Has the advantages that: the distal bone cement cap structure of the femoral biological handle has the advantages of simple structure, convenience in arrangement, capability of conveniently achieving stable fixation of the distal end of the femoral biological handle, prevention of sinking and rotation resistance, fixation of the artificial bioprosthesis and self bone tissue in the later period, simplification of an operation mode, convenience in operation, short time, fewer complications and quick postoperative rehabilitation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a schematic structural view of the bone cement cap of the present invention.
In the figure: 1. bioprosthesis, 2, diaphysis, 3, a bone cement cap, 31, a cap bolt connecting rod, 32, a cross rod, 4 and a marrow cavity.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "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.
Referring to fig. 1-2, the distal bone cement cap structure of the biological femoral stem of the invention comprises a biological prosthesis (1), wherein the biological prosthesis (1) is arranged in a backbone (1), a marrow cavity (4) is arranged in the backbone (1), a bone cement cap (3) is arranged at one end of the biological prosthesis (1) extending into the backbone (1), the bone cement cap (3) is arranged in the marrow cavity (4), the cross section of the bone cement cap (3) gradually decreases from one end of the bone cement cap (4) close to the biological prosthesis (1) to the other end, and a plurality of concave holes are arranged on the side surface of the bone cement cap (3).
Preferably, the bone cement cap (3) is fixedly connected with the bioprosthesis (1).
Preferably, the bone cement cap (3) is close to one end of the bioprosthesis (1) is provided with a cap bolt connecting rod (31), and one end of the bone cement cap (3) away from the anchor bolt connecting rod (31) is provided with a cross rod.
Preferably, the one end of crab-bolt connecting rod (31) is preset in bone cement cap (3), the other end of crab-bolt connecting rod (31) stretches into in bioprosthesis (1), be provided with in bioprosthesis (1) with crab-bolt connecting rod (31) complex recess.
Preferably, bone cement is arranged in the groove.
Preferably, the shape of the cement cap (4) matches the shape of the marrow cavity (4).
The invention principle is as follows:
The distal bone cement cap structure of the femoral biological handle has the advantages of simple structure, convenience in arrangement, capability of conveniently achieving stable fixation of the distal end of the femoral biological handle, prevention of sinking and rotation resistance, fixation of the artificial bioprosthesis and self bone tissue in the later period, simplification of an operation mode, convenience in operation, short time, fewer complications and quick postoperative rehabilitation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A distal bone cement cap structure of a femoral biological handle, comprising a biological prosthesis (1), wherein the biological prosthesis (1) is arranged in a stem (2), the stem (1) is internally provided with a marrow cavity (4), and the structure is characterized in that: bioprosthesis (1) stretches into the one end of diaphysis (1) is provided with bone cement cap (3), bone cement cap (3) set up in marrow chamber (4), follow bone cement cap (4) are close to the one end to the other end of bioprosthesis (1), the cross section of bone cement cap (3) diminishes gradually, the side of bone cement cap (3) is provided with a plurality of shrinkage pools.
2. the femoral biolistic distal bone cement cap structure of claim 1, wherein: the bone cement cap (3) is fixedly connected with the bioprosthesis (1).
3. The femoral biolistic distal bone cement cap structure of claim 1, wherein: bone cement cap (3) are close to the one end of bioprosthesis (1) is provided with cap bolt connecting rod (31), crab-bolt connecting rod (31) are kept away from the one end of bone cement cap (3) is provided with horizontal pole (32).
4. The femoral biolistic distal bone cement cap structure of claim 3, wherein: one end of the anchor bolt connecting rod (31) is preset in the bone cement cap (3), the other end of the anchor bolt connecting rod (31) extends into the bioprosthesis (1), and a groove matched with the anchor bolt connecting rod (31) is formed in the bioprosthesis (1).
5. The femoral biolistic distal bone cement cap structure of claim 4, wherein: and bone cement is arranged in the groove.
6. The femoral biolistic distal bone cement cap structure of claim 1, wherein: the shape of the bone cement cap (4) is matched with the shape of the marrow cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918480.2A CN110559106A (en) | 2019-09-26 | 2019-09-26 | distal bone cement cap structure of femoral biological handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918480.2A CN110559106A (en) | 2019-09-26 | 2019-09-26 | distal bone cement cap structure of femoral biological handle |
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| Publication Number | Publication Date |
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| CN110559106A true CN110559106A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910918480.2A Pending CN110559106A (en) | 2019-09-26 | 2019-09-26 | distal bone cement cap structure of femoral biological handle |
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| CN (1) | CN110559106A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201016U (en) * | 1986-02-19 | 1987-03-25 | 王东林 | Artificial hip bone with bone separating moment force |
| CN2782050Y (en) * | 2005-04-07 | 2006-05-24 | 上海海赛科技发展有限公司 | Biological type whole lip joint prothesis |
| CN200954151Y (en) * | 2006-09-30 | 2007-10-03 | 联合骨科器材股份有限公司 | Bone-cement type femoral-bar structure |
| CN202136445U (en) * | 2011-04-20 | 2012-02-08 | 北京纳通科技集团有限公司 | Biological absorption type femoral stem prosthesis |
| CN105263447A (en) * | 2012-09-27 | 2016-01-20 | 马萨诸塞总医院运营总医院公司 | Femoral heads, mobile inserts, acetabular components, and modular junctions for orthopedic implants and methods of using femoral heads, mobile inserts, acetabular components, and modular junctions for orthopedic implants |
| CN206473432U (en) * | 2016-08-31 | 2017-09-08 | 李亚峰 | A kind of new femoral hip stem prosthesis |
-
2019
- 2019-09-26 CN CN201910918480.2A patent/CN110559106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86201016U (en) * | 1986-02-19 | 1987-03-25 | 王东林 | Artificial hip bone with bone separating moment force |
| CN2782050Y (en) * | 2005-04-07 | 2006-05-24 | 上海海赛科技发展有限公司 | Biological type whole lip joint prothesis |
| CN200954151Y (en) * | 2006-09-30 | 2007-10-03 | 联合骨科器材股份有限公司 | Bone-cement type femoral-bar structure |
| CN202136445U (en) * | 2011-04-20 | 2012-02-08 | 北京纳通科技集团有限公司 | Biological absorption type femoral stem prosthesis |
| CN105263447A (en) * | 2012-09-27 | 2016-01-20 | 马萨诸塞总医院运营总医院公司 | Femoral heads, mobile inserts, acetabular components, and modular junctions for orthopedic implants and methods of using femoral heads, mobile inserts, acetabular components, and modular junctions for orthopedic implants |
| CN206473432U (en) * | 2016-08-31 | 2017-09-08 | 李亚峰 | A kind of new femoral hip stem prosthesis |
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Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |