CN205286501U - Acetabular bone bone knife - Google Patents
Acetabular bone bone knife Download PDFInfo
- Publication number
- CN205286501U CN205286501U CN201620045131.6U CN201620045131U CN205286501U CN 205286501 U CN205286501 U CN 205286501U CN 201620045131 U CN201620045131 U CN 201620045131U CN 205286501 U CN205286501 U CN 205286501U
- Authority
- CN
- China
- Prior art keywords
- acetabular bone
- handle
- bone
- acetabular
- cambered blade
- 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.)
- Active
Links
Landscapes
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The utility model belongs to the field of medical equipment, specifically belong to an acetabular bone bone knife, including the handle and install in the one end of handle, be used for openning the ARC blade of acetabular bone bone, the one end that the handle is corresponding the position that ARC blade establishes still is equipped with hemispherical rotating head, and ARC blade is located the outside of rotating head. When the teaching draw case is in use, ARC blade inserts the acetabular bone cartilage in the acetabular bone false body outside, the recess of acetabular bone false body is arranged in to the rotating head, doctor turning handle, the rotating head carries out assistance -localization real -time as the center of rotation, ARC blade uses the rotating head to make circular motion as the center of rotation, realize the acetabular bone cartilage incision in the acetabular bone false body outside, make acetabular bone false body and acetabular bone chondrodialysis, then mention acetabular bone bone knife, the acetabular bone false body can be stayed to be cliied between ARC blade and the rotating head and can not drop, high durability and convenient use, high efficiency, and the structure is also simple, easily wash.
Description
Technical field
The utility model belongs to medicine equipment, is specifically related to a kind of acetabular bone osteotome.
Background technology
Human hip is a kind of spherical joint, comprises a spherical femoral head and one like bowl-shape acetabular bone. The joint that it forms for thigh (femur) and pelvis, spherical top layer and bowl endosexine cover by level and smooth cartilago acetabularis, and synovial bursa film secreting mucus makes friction be reduced to minimum. When hip joint produces when pathology, cartilago acetabularis is no longer level and smooth, synovial bursae inflammation and atrophy, and joint can not as usual be gone slick again. When hip joint because of degeneration, pathology or wound cause pain, stiff or distortion; even handicapped; cannot be with medicine or other treatment method relief of symptoms time, conventionally can, in the mode of operation as patient replaces artificial hip joint, make patient recover daily mobility.
Artificial hip prosthesis copies the structure of human hip, and prosthese shank is inserted in femoral bone cavitas medullaris, utilizes head and cotyla or prosthese metal cup to form rotation, realizes bending and stretching and moving of femur. Prosthese adopts the material manufactures such as titanium alloy, vitallium, pottery, stainless steel. No matter the hip prosthesis that any material is manufactured, all has corresponding service life, arrive after corresponding service life, need in human body, take out prosthese.
Hip revision operation adopts acetabular bone osteotome to take out acetabular component conventionally, existing acetabular bone osteotome is made up of handle and the cambered blade that is arranged on one end of handle, when use, hold handle cutting, by cambered blade one cutter one cutter cut near cartilago acetabularis acetabular component, make acetabular component separate and be removed with cartilago acetabularis. When existing acetabular bone osteotome uses, be by the hand-held location of cutting of doctor completely, be not easy to control cutting position and cutting output, use inconvenience, after acetabular component cuts out, be attached to the cartilago acetabularis variable thickness on acetabular component surface, and the efficiency of taking-up acetabular component is also low.
Summary of the invention
The utility model is for the deficiencies in the prior art, and a kind of easy to use and acetabular bone osteotome that efficiency is high is provided.
The utility model is achieved through the following technical solutions: a kind of acetabular bone osteotome, comprise handle and be arranged on one end of handle, for cutting the cambered blade of acetabular bone, described handle is also provided with swivel head in one end of the set position of corresponding cambered blade, and cambered blade is positioned at the outside of swivel head.
In such scheme, when use, cambered blade inserts the cartilago acetabularis in acetabular component outside, and swivel head is placed in the groove of acetabular component, doctor's turning handle, swivel head carries out auxiliary positioning as center of rotation, cambered blade circles taking swivel head as center of rotation, realizes the cartilago acetabularis in acetabular component outside is cut, and acetabular component is separated with cartilago acetabularis, then mention acetabular bone osteotome, acetabular component can be stayed between cambered blade and swivel head and not be jammed and can drop. Reach cutting object by rotary handle mode, easy to use, revolve turn around or some circles after can cut open acetabular component cartilago acetabularis around, take out fast acetabular component, efficiency is high.
In order to reach the groove fit of swivel head and acetabular component, improve auxiliary positioning precision, above-mentioned swivel head is hemispherical.
In order to facilitate turning handle, above-mentioned handle is provided with handle away from the sidewall of an end of the set position of cambered blade.
Similarly, in order to facilitate turning handle, above-mentioned handle is provided with handle set away from an end of the set position of cambered blade.
For simplified manufacturing technique, convenient for assembly, above-mentioned handle is provided with holder in one end of the set position of corresponding cambered blade, and swivel head and cambered blade are individually fixed on holder.
In order to ensure installation reliability, above-mentioned holder offers breach in the fixed position of corresponding cambered blade, and the corresponding one end being connected with holder of cambered blade is provided with the cutter head coordinating with the breach of holder, and cutter head is connected with the wall portion of breach.
In order to facilitate the handling of blade assembly, the wall portion of above-mentioned cutter head and breach is connected by screw.
Similarly, in order to ensure installation reliability, above-mentioned swivel head and holder are by Stud connection, and one end of double-screw bolt is threaded with swivel head, the other end of double-screw bolt and holder welding.
The utility model is by installing cambered blade and swivel head in handle one end, and make cambered blade be positioned at the outside of swivel head, other end setting facilitates the handle of rotatable handle, when use, cambered blade inserts the cartilago acetabularis in acetabular component outside, swivel head is placed in the groove of acetabular component, doctor holds handle and is with fixed handle to rotate, swivel head carries out auxiliary positioning as center of rotation, cambered blade circles taking swivel head as center of rotation along acetabular component outside, realize the cartilago acetabularis in acetabular component outside is cut, acetabular component is separated with cartilago acetabularis, then mention acetabular bone osteotome, acetabular component can stay between cambered blade and swivel head, be jammed and by together with mention. the utility model drives cambered blade to circle cutting object along acetabular component outside by rotary handle, easy to use, and the Thickness Ratio of cutting cartilago acetabularis is more even, rotary handle one enclose or some circles after can cut open acetabular component cartilago acetabularis around, can take out fast acetabular component, efficiency is high. in order to adapt to different operation demands, the screw of swivel head and blade and Stud connection mode, be convenient to change at any time swivel head and the blade of different size specification, and then meet the taking-up demand of different big or small acetabular components. acetabular bone knife structure of the present utility model is simple, is easy to clean.
Brief description of the drawings
Fig. 1 is the structural representation of the acetabular bone osteotome of embodiment of the present utility model.
Fig. 2 is A portion enlarged drawing in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described, but embodiment of the present utility model is not limited to this.
Embodiment
The structure of the acetabular bone osteotome of the present embodiment, with reference to shown in figure 1,2, comprises handle 1, and one end of handle 1 is provided with swivel head 3 and for cutting the cambered blade 2 of acetabular bone, cambered blade 2 is positioned at the outside of swivel head 3; The sidewall of the other end of handle 1 is provided with handle 11, and the end of this end is provided with handle set 12, is with easily fixed handle 1, cambered blade 2 and swivel head 3 to rotate by handle 11.
The present embodiment, above-mentioned swivel head 3 is hemispherical, adopt the swivel head 3 of semiglobe, make swivel head 3 good fit with the groove of acetabular component, swivel head 3 is rotated in the groove of acetabular component more stable, thereby guarantee cambered blade 2 is made the stability of circumference cutting movement along acetabular component outside.
For simplified manufacturing technique, convenient for assembly, above-mentioned handle 1 is provided with holder 4 in one end of corresponding cambered blade 2 set positions, the end welding of one end of holder 4 and handle 1, and cambered blade 2 and swivel head 3 are located at the other end of holder 4. In the present embodiment, holder 4 offers breach 41 in the fixed position of corresponding cambered blade 2, and the corresponding one end being connected with holder 4 of cambered blade 2 is provided with the cutter head 21 coordinating with the breach 41 of holder 4, and cutter head 21 is connected by screw 5 with the wall portion of breach 41. In order further to improve the steadiness that cutter head 21 is connected with the wall portion of breach 41, cutter head 21 is provided with projection 211, the wall portion of breach 41 offers in the position that aligns projection 211 and projection 211 grooves that coordinate 411, after having assembled, the projection 211 of cutter head 21 is placed in the groove 411 of wall portion of breach 41.
In the present embodiment, in order to facilitate the handling of swivel head 3, be convenient to sterilization and change, above-mentioned swivel head 3 is connected with holder 4 ends by studs 6, and one end of double-screw bolt 6 is threaded with swivel head 3, and the other end of double-screw bolt 6 is threaded with holder 4, in addition, because studs 6 seldom disassembles from holder 4, together with therefore double-screw bolt 6 also welds with holder 4, further increase the reliability that double-screw bolt 6 is connected with holder 4.
The acetabular bone osteotome of the present embodiment, when use, cambered blade 2 inserts the cartilago acetabularis in acetabular component outside, swivel head 3 is placed in the groove of acetabular component, doctor holds handle 11 and is with fixed handle 1 to rotate, swivel head 3 rotates together with following handle 1 with cambered blade 2, swivel head 3 carries out auxiliary positioning as center of rotation, cambered blade 2 is made circumference cutting movement taking swivel head 3 as center of rotation along acetabular component outside, realize the cartilago acetabularis in acetabular component outside is cut, acetabular component is separated with cartilago acetabularis, then mention acetabular bone osteotome, acetabular component can stay between cambered blade 2 and swivel head 3, be jammed and by together with mention, easy to use, and do not need with hand-held acetabular component.
When the utility model uses, only need rotary handle one to enclose or some circles after can cut open acetabular component cartilago acetabularis around, can take out fast acetabular component, efficiency is high. And acetabular bone knife structure of the present utility model is simple, be easy to clean.
Above-described embodiment of the present utility model, does not form the restriction to the utility model protection domain. Any amendment of making within spiritual principles of the present utility model, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (8)
1. an acetabular bone osteotome, comprise handle (1) and be arranged on one end of handle (1), for cutting the cambered blade (2) of acetabular bone, it is characterized in that: described handle (1) is also provided with swivel head (3) in one end of the set position of corresponding cambered blade (2), and cambered blade (2) is positioned at the outside of swivel head (3).
2. acetabular bone osteotome according to claim 1, is characterized in that: described swivel head (3) is for hemispherical.
3. acetabular bone osteotome according to claim 1, is characterized in that: described handle (1) is provided with handle (11) away from the sidewall of an end of the set position of cambered blade (2).
4. acetabular bone osteotome according to claim 1, is characterized in that: described handle (1) is provided with handle set (12) away from an end of the set position of cambered blade (2).
5. according to the acetabular bone osteotome described in claim 1 to 4 any one, it is characterized in that: described handle (1) is provided with holder (4) in one end of the set position of corresponding cambered blade (2), swivel head (3) is individually fixed on holder (4) with cambered blade (2).
6. acetabular bone osteotome according to claim 5, it is characterized in that: described holder (4) offers breach (41) in the fixed position of corresponding cambered blade (2), the corresponding one end being connected with holder (4) of cambered blade (2) is provided with the cutter head (21) coordinating with the breach (41) of holder (4), and cutter head (21) is connected with the wall portion of breach (41).
7. acetabular bone osteotome according to claim 6, is characterized in that: described cutter head (21) is connected by screw (5) with the wall portion of breach (41).
8. acetabular bone osteotome according to claim 6, it is characterized in that: described swivel head (3) is connected by double-screw bolt (6) with holder (4), one end of double-screw bolt (6) is threaded with swivel head (3), the other end of double-screw bolt (6) and holder (4) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045131.6U CN205286501U (en) | 2016-01-18 | 2016-01-18 | Acetabular bone bone knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045131.6U CN205286501U (en) | 2016-01-18 | 2016-01-18 | Acetabular bone bone knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205286501U true CN205286501U (en) | 2016-06-08 |
Family
ID=56429381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045131.6U Active CN205286501U (en) | 2016-01-18 | 2016-01-18 | Acetabular bone bone knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205286501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105686870A (en) * | 2016-01-18 | 2016-06-22 | 广州市天鹰精密工具有限公司 | Acetabular bone knife |
| CN114905561A (en) * | 2022-06-13 | 2022-08-16 | 北京大学第三医院（北京大学第三临床医学院） | Bone cutting device for surface partial prosthesis replacement |
-
2016
- 2016-01-18 CN CN201620045131.6U patent/CN205286501U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105686870A (en) * | 2016-01-18 | 2016-06-22 | 广州市天鹰精密工具有限公司 | Acetabular bone knife |
| CN114905561A (en) * | 2022-06-13 | 2022-08-16 | 北京大学第三医院（北京大学第三临床医学院） | Bone cutting device for surface partial prosthesis replacement |
| CN114905561B (en) * | 2022-06-13 | 2024-04-05 | 北京大学第三医院（北京大学第三临床医学院） | Bone cutting device for surface partial prosthesis replacement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210161675A1 (en) | Shoulder arthroplasty systems and configurations for components thereof | |
| US7922769B2 (en) | Modular glenoid prosthesis and associated method | |
| US8211184B2 (en) | Acetabular cup | |
| US20060276797A1 (en) | Expandable reaming device | |
| CN205286501U (en) | Acetabular bone bone knife | |
| AU2017258833A1 (en) | Improvements to Implant Surfaces | |
| CN107280812A (en) | A kind of artificial knee joint prosthesis | |
| WO2013103499A1 (en) | Shoulder prosthesis | |
| US20080255672A1 (en) | Orthopedic implant | |
| CN105686870A (en) | Acetabular bone knife | |
| US20190192299A1 (en) | Device and method for manufacturing artificial solid bone | |
| CN201668539U (en) | Bone cement fixing type double-equator dislocation prevention acetabular prosthesis | |
| CN211460687U (en) | Artificial ankle joint prosthesis component | |
| CN211583676U (en) | Human shoulder joint prosthesis external member | |
| AU2020307535A1 (en) | Distal radioulnar joint prosthesis system and method of use | |
| CN206183437U (en) | Novel hip joint prosthesis | |
| CN212346823U (en) | Pelvic prosthesis | |
| CN209827109U (en) | Slope type trabecular bone metal acetabulum reconstruction prosthesis | |
| CN213190335U (en) | Artificial hip joint acetabulum prosthesis rotary cutting extractor | |
| CN203388969U (en) | Hip joint femoral stem replacement | |
| US10098749B2 (en) | Proximal interphalangeal joint prothesis | |
| RU2358672C1 (en) | Spherical recess processing tool, eg cotyloid bone cavity, in prosthetic component implantation | |
| CN201920938U (en) | Surface hip joint | |
| CN209091518U (en) | The minimally invasive rebuilt component of caput femoris necrosis | |
| CN208435690U (en) | Annular acetabular bone muscle device for spreading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |