CN202776636U - Mini type femoral stem prosthesis - Google Patents
Mini type femoral stem prosthesis Download PDFInfo
- Publication number
- CN202776636U CN202776636U CN 201220329710 CN201220329710U CN202776636U CN 202776636 U CN202776636 U CN 202776636U CN 201220329710 CN201220329710 CN 201220329710 CN 201220329710 U CN201220329710 U CN 201220329710U CN 202776636 U CN202776636 U CN 202776636U
- Authority
- CN
- China
- Prior art keywords
- prosthesis
- mini type
- type femoral
- femoral stem
- stem prosthesis
- 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.)
- Expired - Fee Related
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Classifications
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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
- A61F2/32—Joints for the hip
- A61F2/36—Femoral heads ; Femoral endoprostheses
-
- 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
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- Prostheses (AREA)
Abstract
The utility model discloses a MINI type femoral stem prosthesis. Symmetrical grooves are arranged on the MINI type femoral stem prosthesis, the depth of each groove is 2mm, and the prosthesis can be effectively prevented from rotating. The proximal end surface of the MINI type femoral stem prosthesis is treated in a sintering mode, so that the MINI type femoral stem prosthesis can be fused well with bone trabeculas. The MINI type femoral stem prosthesis has 15 different kinds of specifications and types, and the specifications and types can be adjusted according to different patients to be matched with the original structure of the human bones to a biggest extent. Because different patients have different bones, the MINI type femoral stem prosthesis can be adjusted in multiple ranges, and therefore normal motor functions of the patients can be recovered better, and service life of the prosthesis in a human body is prolonged. Because the leg lengths of the patients are different, the MINI type femoral stem prosthesis can be adjusted according to the types, and therefore flexibility and convenience of an operation is greatly improved, an operative incision is minished, operation time is shortened, suffering of the patients are relieved, and the service life of the prosthesis is prolonged.
Description
Technical field
This utility model relates to a kind of MINI type type femoral bone end prosthesis, specifically a kind of safe and reliable, simple in structure, the handle body is shorter, prosthese proximal end face sintering processes is easier to be merged with bone trabecula, reduce the osteotomy amount, be beneficial to the MINI type type femoral bone end prosthesis that secondary overhauled, realized that Minimally Invasive Surgery is implanted.
Background technology
MINI type type femoral bone end prosthesis is the artificial prosthesis for hip replacement surgery, the active level that can reach when safety in human body of the installation effect of prosthese and postoperative prosthese in the rationalization degree direct influence art of its design, degree of stability and human motion.Designing a easier and bone trabecula and merge, reduce the osteotomy amount, be beneficial to the prosthese that secondary overhauled, realized that Minimally Invasive Surgery is implanted, is the target that the artificial prosthesis designer pursues.
Replacing for present useful artificial hip joint, downright bad expendable artificial hip joint becomes at present more common operation, but existing hip prosthesis, exist operation technique complicated, otch is larger, prosthese and the deficiency that the bone trabecula fusion is bad, osteotomy is more, secondary is overhauled inconvenience.For this kind defective of prior art, improvement project is a lot, but Expected Results is not ideal.
In sum, at present for safe and reliablely, simple in structure, easier merging with bone trabecula, reduce osteotomy, being beneficial to secondary and overhauling, realize that the MINI type type femoral bone end prosthesis of Minimally Invasive Surgery implantation has good market prospect.
The utility model content
The purpose of this utility model be to provide a kind of safe and reliable, simple in structure, the handle body is shorter, prosthese proximal end face sintering processes is easier to be merged with bone trabecula, reduce the osteotomy amount, be beneficial to the MINI type type femoral bone end prosthesis that secondary overhauled, realized that Minimally Invasive Surgery is implanted.
In order to realize the purpose of this utility model, this utility model adopts following technical scheme:
This utility model discloses a kind of MINI type type femoral bone end prosthesis, and MINI type type femoral bone end prosthesis is simple in structure, and the handle body is shorter, can reduce osteotomy, is beneficial to secondary and overhauls, and the prosthese proximal end face is sintering processes, can be better and bone trabecula merge; On the described MINI type type femoral bone end prosthesis symmetrical grooves is arranged, depth of groove is 2mm, can effectively prevent the prosthese rotation.This utility model MINI type type femoral bone end prosthesis is according to different patients, and the long different model of selecting of different lower limbs has 15 kinds of models; Meet to greatest extent originally structure of skeleton, can carry out multiextent adjusting according to the difference of different patient's skeletons, make the patient can better recover the motion function of human normal, increase the service life of prosthese in human body.The lower limb length that the patient is different can be regulated according to the model size, has greatly improved the motility of operation, and convenience has reduced operative incision, has shortened operating time, realizes the Minimally Invasive Surgery implantation, has alleviated patient's misery, has prolonged the service life of prosthese.
The utility model has the advantages that:
1, this utility model MINI type type femoral bone end prosthesis is simple in structure, and the handle body is shorter, can reduce osteotomy, can realize Minimally Invasive Surgery.
2, this utility model MINI type type femoral bone end prosthesis, prosthese proximal end face sintering processes, can be better and bone trabecula merge, realize that better bone grows into.
3, on this utility model MINI type type femoral bone end prosthesis symmetrical grooves is arranged, depth of groove is 2mm, can effectively prevent the prosthese rotation.
4, this utility model MINI type type femoral bone end prosthesis has 15 kinds of different size models, can according to the difference of skeleton, carry out multiextent adjusting.
Foregoing has proved absolutely the technical solution of the utility model and beneficial effect, below in conjunction with the drawings and specific embodiments this utility model is done further narration, so that the public is to having more deep understanding in the utility model, the embodiment of the specific embodiment is best technical scheme, and is not limitation of the utility model.
Description of drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is the A-A cutaway view of Fig. 1
The specific embodiment
Referring to shown in Figure 1, this utility model MINI type type femoral bone end prosthesis 1, MINI type type femoral bone end prosthesis is simple in structure, and the handle body is shorter, reduces doctor's operating time, realizes Minimally Invasive Surgery, can optimize the hip joint motion in art.
Referring to shown in Figure 2, this utility model MINI type type femoral bone end prosthesis 1 has symmetrical grooves on the MINI type type femoral bone end prosthesis 1, and depth of groove is 2mm, can effectively prevent the prosthese rotation.
For the better bone trabecula of prosthese is merged, described MINI type type femoral bone end prosthesis proximal end face adopts sintering processes, can well be combined with bone trabecula.15 kinds of different size models, can regulate according to different patients, meet to greatest extent originally structure of skeleton, can be according to the difference of different patient's skeletons, carry out multiextent adjusting, make the patient can better recover the motion function of human normal, increase the service life of prosthese in human body.The lower limb length that the patient is different can be regulated according to the size of model, has greatly improved the motility of operation, and convenience has reduced operative incision, has shortened operating time, has alleviated patient's misery, has prolonged the service life of prosthese.
Claims (2)
1. MINI type type femoral bone end prosthesis, MINI type type femoral bone end prosthesis proximal end face adopts sintering processes, on the MINI type type femoral bone end prosthesis symmetrical grooves is arranged.
2. MINI type type femoral bone end prosthesis according to claim 1, it is characterized in that: on the described MINI type type femoral bone end prosthesis symmetrical grooves is arranged, depth of groove is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329710 CN202776636U (en) | 2012-07-10 | 2012-07-10 | Mini type femoral stem prosthesis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329710 CN202776636U (en) | 2012-07-10 | 2012-07-10 | Mini type femoral stem prosthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202776636U true CN202776636U (en) | 2013-03-13 |
Family
ID=47803994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220329710 Expired - Fee Related CN202776636U (en) | 2012-07-10 | 2012-07-10 | Mini type femoral stem prosthesis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202776636U (en) |
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2012
- 2012-07-10 CN CN 201220329710 patent/CN202776636U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150710 |
|
| EXPY | Termination of patent right or utility model |