CN114748220A - Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out - Google Patents
Femoral stem prosthesis holding device for three purposes of holding, implanting and taking outDownload PDFInfo
- Publication number
- CN114748220A CN114748220ACN202210303684.7ACN202210303684ACN114748220ACN 114748220 ACN114748220 ACN 114748220ACN 202210303684 ACN202210303684 ACN 202210303684ACN 114748220 ACN114748220 ACN 114748220A
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- Prior art keywords
- femoral stem
- holding
- implanting
- stem prosthesis
- dop
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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.)
- Pending
Links
- 230000001105regulatory effectEffects0.000claims3
- 210000004394hip jointAnatomy0.000abstractdescription4
- 238000003780insertionMethods0.000description11
- 230000037431insertionEffects0.000description11
- 101150097115dop-3 geneProteins0.000description2
- 239000007943implantSubstances0.000description2
- 238000003754machiningMethods0.000description2
- 230000009286beneficial effectEffects0.000description1
- 210000001503jointAnatomy0.000description1
- 238000012986modificationMethods0.000description1
- 230000004048modificationEffects0.000description1
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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
- A61F2/46—Special tools for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof of hip femoral endoprostheses
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- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (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
Description
Technical Field
The invention relates to the technical field of artificial hip joints, in particular to a femoral stem prosthesis holding device for three purposes of holding, implanting and taking out.
Background
The existing hip joint prosthesis femoral stem is respectively provided with respective instruments when being implanted, held and taken out, the instruments in the three operation steps of holding, implanting and taking out cannot be used universally, the instruments are various, and the distinction in the operation is not good. Therefore, the above-mentioned conventional acetabular cup prosthesis driven into the holding device still has drawbacks, and further improvement is urgently needed, which is one of the currently important research topics in the field.
Disclosure of Invention
The invention aims to provide a femoral stem prosthesis holding device for three purposes of holding, implanting and taking out, which is used for solving at least one of the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a femoral stem false body controlling device who controls, implants, takes out three purposes, is including connecting handle, dop female and dop, connect including insertion part, regulation part and operating portion in proper order, insertion part stretches into femoral stem false body's handle body, regulation part is equipped with the screw thread section, screw thread section and the female screw-thread fit of dop, the female thin neck that is equipped with of dop, the dop is L type structure, be equipped with the spacing space of bar with the perpendicular sliding fit of thin neck on the vertical section of dop, the horizontal segment of dop extends towards insertion part, the tip of the horizontal segment of dop is equipped with cup joints the portion, cup joint and be equipped with the hole of cup jointing with femoral stem false body's neck.
According to the technical scheme, the inserting part can extend into the stem body of the femoral stem prosthesis, the threaded section is matched with the chuck nut, relative movement between the connecting handle and the chuck nut can be achieved, the chuck nut is provided with the thin neck part, and the vertical section of the chuck is provided with the strip-shaped limiting space which is vertically matched with the thin neck part in a sliding manner; the connecting handle can be rotated later, the specific operation mode is that one hand holds the female chuck to keep a stable state, the other hand rotates the operation part, the connecting handle can move towards the femoral stem prosthesis relative to the female chuck until the insertion part extends into the stem body of the femoral stem prosthesis and is tightly propped against the tail part of the stem body, and then the stable connection of the femoral stem prosthesis is integrally realized, so that the device can be operated regardless of holding or implanting, and the use is more convenient and faster.
Furthermore, in order to adapt to the shape of the femoral stem prosthesis on the market, the sleeving part is convenient to operate and sleeved with the neck of the femoral stem prosthesis, an included angle formed between the sleeving part and the horizontal section of the clamping head is an included angle alpha, and the included angle alpha is 20-40 degrees.
Furthermore, in order to facilitate the integral rotation of the connecting handle by holding the operating part by hands, a plurality of edges are arranged on the operating part along the length direction of the operating part.
Furthermore, in order to facilitate the machining and forming of the operation part and the integrity and simplicity of the structural design, the cross section of the operation part is hexagonal.
Furthermore, in order to realize that the movable handle is detachably connected at the rear end of the operation part when the femoral stem prosthesis is taken out, the movable handle is conveniently connected with the sliding hammer, so that the femoral stem prosthesis can be taken out by reverse force, and the rear end of the operation part is provided with an end cap and a detachable fixed connection structure for connecting the movable handle. That is, when the femoral stem prosthesis needs to be taken out later, the movable handle needs to be installed, so that the detachable fixed connecting structure only needs to be arranged at the tail part of the operation part.
Further, in order to improve the stability of the connection of the end cap with the operating part, the end cap is welded to the rear end of the operating part.
Further, in order to conveniently complete the taking-out operation through the sliding hammer, the detachable fixed connection structure is a threaded hole, the threaded hole is in threaded connection with a movable handle, and the end cap, the operation portion and the movable handle are coaxially arranged.
Furthermore, in order to better control the stable connection operation of the device and the femoral stem prosthesis, a shaft shoulder is arranged between the adjusting part and the operating part, when the connecting handle moves to a limit position relative to the clamping head nut along the X direction, the end part of the clamping head nut is abutted against the shaft shoulder, and meanwhile, the inserting part extends into the stem body of the femoral stem prosthesis and is abutted against the stem body of the femoral stem prosthesis. That is, during the operation, rotate the operation portion, realize that whether the female tip of dop and shaft shoulder butt can judge the connection of this device and femoral stem prosthesis stability to be convenient for subsequent operation.
Further, in order to provide a structure of a specific chuck nut and a chuck, the chuck nut comprises a connecting section and an extending section, the thin neck portion is arranged on the connecting section, when the connecting handle moves to a limit position relative to the chuck nut along the X direction, the extending section abuts against the shaft shoulder, and the cross section of the thin neck portion is rectangular.
Further, in order to better complete the sleeving connection between the sleeving connection part and the neck of the femoral stem prosthesis, the included angle α is 30 °.
The beneficial effects of the invention are as follows: according to the technical scheme, the inserting part can extend into the stem body of the femoral stem prosthesis, the threaded section is matched with the chuck nut, relative movement between the connecting handle and the chuck nut can be achieved, the chuck nut is provided with the thin neck part, and the vertical section of the chuck is provided with the strip-shaped limiting space which is vertically matched with the thin neck part in a sliding manner; the connecting handle can be rotated later, the specific operation mode is that one hand holds the clamping head nut to keep a stable state, the other hand rotates the operation part, the connecting handle can move towards the femoral stem prosthesis relative to the clamping head nut until the insertion part extends into the stem body of the femoral stem prosthesis and is tightly propped against the tail part of the stem body, and then the stable connection of the femoral stem prosthesis is integrally realized, so that the device can be operated by the aid of the device regardless of holding or implanting, and the device is more convenient and faster to use.
Drawings
FIG. 1 is a schematic structural view of a usage state of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of the structure of a chuck nut of the present invention;
FIG. 4 is a schematic view of the chuck of the present invention;
FIG. 5 is a schematic view of the structure in direction A of FIG. 4;
FIG. 6 is a schematic view of the structure of the direction B in FIG. 4;
FIG. 7 is a schematic cross-sectional view of C-C of FIG. 4;
fig. 8 is a schematic sectional structure view of D-D in fig. 4.
In the figure: a connecting handle 1; an insertion portion 1.1; an adjustment section 1.2; an operation section 1.3; achuck nut 2; a thin neck part 2.1; a connecting section 2.2; an extension 2.3; achuck 3; a vertical section 3.1; a horizontal segment 3.2; a socket joint part 3.3; a sleeving hole 3.4; the strip-shaped limiting space is 3.5; a femoral stem prosthesis 4; a movable handle 5; anend cap 6; a threadedhole 7; and a shaft shoulder 8.
Detailed Description
Example 1:
as shown in fig. 1-8, this embodiment provides a femoral stem prosthesis holding device for holding, implanting, and taking out, which includes a connection handle 1, afemale chuck 2, and achuck 3, where the connection handle 1 sequentially includes an insertion portion 1.1, an adjustment portion 1.2, and an operation portion 1.3, the insertion portion 1.1 extends into a stem body of the femoral stem prosthesis 4, the adjustment portion 1.2 is provided with a threaded section, the threaded section is in threaded fit with thefemale chuck 2, thefemale chuck 2 is provided with a thin neck portion 2.1, thechuck 3 is an L-shaped structure, a vertical section 3.1 of thechuck 3 is provided with a bar-shaped spacing space 3.5 vertically sliding-fitted with the thin neck portion 2.1, a horizontal section 3.2 of thechuck 3 extends toward the insertion portion 1.1, an end of the horizontal section 3.2 of thechuck 3 is provided with a sleeve portion 3.3, and the sleeve portion 3.3 is provided with a neck hole 3.4 sleeved with the femoral stem prosthesis 4.
In the technical scheme, the insertion part 1.1 can extend into the stem body of the femoral stem prosthesis 4, the thread section is matched with thechuck nut 2, relative movement between the connection handle 1 and thechuck nut 2 can be realized, and as thechuck nut 2 is provided with the thin neck part 2.1, and the vertical section 3.1 of thechuck 3 is provided with the strip-shaped limiting space 3.5 which is vertically and slidably matched with the thin neck part 2.1, namely, thechuck 3 can vertically move relative to thechuck nut 2, and the vertical distance between the horizontal section 3.2 of thechuck 3 and thechuck nut 2 is adjusted, the adjustment of the vertical distance is convenient for sleeving the sleeving hole 3.4 on the sleeving part 3.3 on the neck of the femoral stem prosthesis 4, so that the connection between thechuck 3 and the femoral stem prosthesis 4 is realized; afterwards, the connecting handle 1 can be rotated, the specific operation mode is that one hand holds the chuck female 2 to keep a stable state, the other hand rotates the operation part 1.3, then the connecting handle 1 can move towards the femoral stem prosthesis 4 relative to thechuck female 2 until the insertion part 1.1 extends into the stem body of the femoral stem prosthesis 4 and is abutted against the tail part of the stem body, and then the stable connection of the femoral stem prosthesis 4 is integrally realized, so that the device can be operated no matter whether being held or implanted, and the use is more convenient and faster.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
In order to adapt to the shape of the femoral stem prosthesis 4 on the market, the sleeving part 3.3 is convenient to operate to be sleeved with the neck of the femoral stem prosthesis 4, an included angle formed between the sleeving part 3.3 and the horizontal section 3.2 of theclamping head 3 is an included angle alpha, and the included angle alpha is 20-40 degrees. For better completion of the cup joint 3.3 with the neck of the femoral stem prosthesis 4, the angle of the included angle α is 30 °.
Example 3:
this embodiment is optimized based on embodiment 1 described above.
In order to facilitate the handheld operation part 1.3 to realize the integral rotation of the connecting handle 1, a plurality of edges are arranged on the operation part 1.3 along the length direction of the operation part 1.3.
Example 4:
this embodiment is optimized based onembodiment 3 described above.
In order to facilitate the machining and forming of the operating part 1.3 and the integrity and simplicity of the structural design, the cross section of the operating part 1.3 is hexagonal.
Example 5:
this embodiment is optimized based on embodiment 1 described above.
In order to realize that the movable handle 5 is detachably connected at the rear end of the operating part 1.3 when the femoral stem prosthesis 4 is taken out, the movable handle 5 is conveniently connected with the sliding hammer, so that the femoral stem prosthesis 4 can be taken out by reverse force, and the rear end of the operating part 1.3 is provided with anend cap 6 and a detachable fixed connection structure used for connecting the movable handle 5. That is, when the femoral stem prosthesis 4 needs to be taken out later, the movable handle 5 needs to be installed, so that the detachable fixed connection structure only needs to be arranged at the tail part of the operation part 1.3. That is, when taking out the femoral stem prosthesis, only need in the rear end of operating part 1.3 install the movable handle 5 can, when taking out femoral stem prosthesis 4, also can operate through this device to realized that this device can be applicable to simultaneously to the control, implant and take out of femoral stem prosthesis 4, use more convenient and fast.
Example 6:
this embodiment is optimized based on embodiment 5 described above.
In order to improve the stability of the connection of theend cap 6 to the operating part 1.3, theend cap 6 is welded to the rear end of the operating part 1.3.
Example 7:
this embodiment is optimized based on embodiment 5 described above.
In order to facilitate the operation of taking out the sliding hammer, the detachable fixed connection structure is a threadedhole 7, the threadedhole 7 is in threaded connection with a movable handle 5, and theend cap 6, the operation part 1.3 and the movable handle 5 are coaxially arranged.
Example 8:
this embodiment is optimized based on embodiment 1 described above.
In order to better control the stable operation of the connection of the device and the femoral stem prosthesis 4, a shaft shoulder 8 is arranged between the adjusting part 1.2 and the operating part 1.3, when the connecting handle 1 moves to the limit position along the X direction relative to thechuck nut 2, the end part of thechuck nut 2 is abutted against the shaft shoulder 8, and meanwhile, the inserting part 1.1 extends into the stem body of the femoral stem prosthesis 4 and is abutted against the stem body of the femoral stem prosthesis 4. That is, during the operation, rotate operation portion 1.3, realize that whether stable connection of this device and femoral stem prosthesis 4 can be judged to the tip ofdop female 2 and the butt of shaft shoulder 8 to be convenient for subsequent operation.
Example 9:
this embodiment is optimized based on embodiment 8 described above.
In order to provide a specific female 2 of dop anddop 3's structure, female 2 of dop includes linkage segment 2.2 and extension section 2.3, thin neck portion 2.1 sets up on linkage segment 2.2, when connecting 1 moves to extreme position along the X direction for female 2 of dop, extension section 2.3 and shaft shoulder 8 butt, thin neck portion 2.1's cross section is the rectangle, can realize with the better perpendicular sliding fit in the spacing hole 3.5 of bar, and preventdop 3's rotation.
Finally, it should be noted that: the above are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A femoral stem prosthesis holding device for three purposes of holding, implanting and taking out is characterized in that: including connecting handle, dop female and dop, connect including insert portion, regulation part and operating portion in proper order, insert portion stretches into femoral stem false body's handle body, regulation part is equipped with the screw thread section, screw thread section and the female screw-thread fit of dop, female being equipped with thin neck that is equipped with of dop, the dop is L type structure, be equipped with on the vertical section of dop with the spacing space of the perpendicular sliding fit's of thin neck bar, the horizontal segment orientation insert portion extension of dop, the tip of the horizontal segment of dop is equipped with cup joints the portion, cup joint the portion and be equipped with the hole of cup jointing that cup joints with femoral stem false body's neck.
2. The femoral stem prosthesis holding device for holding, implanting and extracting of claim 1, wherein: an included angle formed between the sleeving part and the horizontal section of the clamping head is an included angle alpha, and the included angle alpha is 20-40 degrees.
3. The femoral stem prosthesis holding device for holding, implanting and extracting of claim 1, wherein: a plurality of edges are arranged on the operation part along the length direction of the operation part.
4. The femoral stem prosthesis holding device for holding, implanting and extracting of claim 3, wherein: the cross section of the operation part is hexagonal.
5. The femoral stem prosthesis holding device for holding, implanting and removing of claim 1, wherein: the rear end of the operation part is provided with an end cap and a detachable fixed connection structure for connecting a movable handle.
6. The femoral stem prosthesis holding device for holding, implanting and removing as claimed in claim 5, wherein: the end cap is welded to the rear end of the operation portion.
7. The femoral stem prosthesis holding device for holding, implanting and removing as claimed in claim 5, wherein: the detachable fixed connection structure is a threaded hole, the threaded hole is in threaded connection with a movable handle, and the end cap, the operation portion and the movable handle are coaxially arranged.
8. The femoral stem prosthesis holding device for holding, implanting and extracting of claim 1, wherein: the femoral stem prosthesis comprises a stem body, a regulating part, an operation part and a connecting handle, wherein the regulating part is arranged on the stem body, the operating part is arranged on the stem body, the regulating part is arranged on the operating part, the connecting handle is connected with the adjusting part, the adjusting part is arranged on the adjusting part, the adjusting part is connected with the operating part, the connecting handle is connected with the adjusting part, the adjusting part is connected with the adjusting part, and the connecting handle is connected with the adjusting part.
9. The femoral stem prosthesis holding device for holding, implanting and removing as claimed in claim 8, wherein: the female including linkage segment and extension section of dop, thin neck sets up on the linkage segment, when connecting to move to extreme position along the X direction for the dop mother, extension section and shaft shoulder butt, the cross section of thin neck is the rectangle.
10. The femoral stem prosthesis holding device for holding, implanting and removing as claimed in claim 2, wherein: the angle of the included angle alpha is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303684.7ACN114748220A (en) | 2022-03-24 | 2022-03-24 | Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210303684.7ACN114748220A (en) | 2022-03-24 | 2022-03-24 | Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114748220Atrue CN114748220A (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210303684.7APendingCN114748220A (en) | 2022-03-24 | 2022-03-24 | Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114748220A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794642A1 (en)* | 1999-06-08 | 2000-12-15 | Jacques Caton | Extractor for Charnley-type hip prosthesis comprises locking assembly and impaction member |
| US20050203539A1 (en)* | 2004-03-08 | 2005-09-15 | Grimm James E. | Navigated stemmed orthopaedic implant inserter |
| CN201299670Y (en)* | 2008-12-03 | 2009-09-02 | 徐辉 | A femoral prosthesis handle extractor |
| CN102018554A (en)* | 2009-09-17 | 2011-04-20 | 北京市春立正达科技开发有限公司 | Femoral hip joint stem holder |
| CN203873867U (en)* | 2013-12-27 | 2014-10-15 | 北京爱康宜诚医疗器材股份有限公司 | Universal stem holder |
| CN205515052U (en)* | 2016-03-25 | 2016-08-31 | 嘉思特华剑医疗器材(天津)有限公司 | Cutting ferrule type femoral stem takes out apparatus subassembly |
| CN206491905U (en)* | 2016-08-31 | 2017-09-15 | 北京爱康宜诚医疗器材有限公司 | Femoral stem withdrawing device and femoral stem extraction system |
| CN210077957U (en)* | 2019-01-18 | 2020-02-18 | 北京纳通医学科技研究院有限公司 | Femoral stem mounting device |
| CN214549757U (en)* | 2020-10-28 | 2021-11-02 | 北京市春立正达医疗器械股份有限公司 | Femoral stem extracting instrument |
| CN215019781U (en)* | 2021-04-06 | 2021-12-07 | 山东威高海星医疗器械有限公司 | Bone cement type femoral stem holder |
- 2022
- 2022-03-24CNCN202210303684.7Apatent/CN114748220A/enactivePending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2794642A1 (en)* | 1999-06-08 | 2000-12-15 | Jacques Caton | Extractor for Charnley-type hip prosthesis comprises locking assembly and impaction member |
| US20050203539A1 (en)* | 2004-03-08 | 2005-09-15 | Grimm James E. | Navigated stemmed orthopaedic implant inserter |
| CN201299670Y (en)* | 2008-12-03 | 2009-09-02 | 徐辉 | A femoral prosthesis handle extractor |
| CN102018554A (en)* | 2009-09-17 | 2011-04-20 | 北京市春立正达科技开发有限公司 | Femoral hip joint stem holder |
| CN203873867U (en)* | 2013-12-27 | 2014-10-15 | 北京爱康宜诚医疗器材股份有限公司 | Universal stem holder |
| CN205515052U (en)* | 2016-03-25 | 2016-08-31 | 嘉思特华剑医疗器材(天津)有限公司 | Cutting ferrule type femoral stem takes out apparatus subassembly |
| CN206491905U (en)* | 2016-08-31 | 2017-09-15 | 北京爱康宜诚医疗器材有限公司 | Femoral stem withdrawing device and femoral stem extraction system |
| CN210077957U (en)* | 2019-01-18 | 2020-02-18 | 北京纳通医学科技研究院有限公司 | Femoral stem mounting device |
| CN214549757U (en)* | 2020-10-28 | 2021-11-02 | 北京市春立正达医疗器械股份有限公司 | Femoral stem extracting instrument |
| CN215019781U (en)* | 2021-04-06 | 2021-12-07 | 山东威高海星医疗器械有限公司 | Bone cement type femoral stem holder |
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