CN201299670Y - A femoral prosthesis handle extractor - Google Patents
A femoral prosthesis handle extractor Download PDFInfo
- Publication number
- CN201299670Y CN201299670Y CN 200820124248 CN200820124248U CN201299670Y CN 201299670 Y CN201299670 Y CN 201299670Y CN 200820124248 CN200820124248 CN 200820124248 CN 200820124248 U CN200820124248 U CN 200820124248U CN 201299670 Y CN201299670 Y CN 201299670Y
- Authority
- CN
- China
- Prior art keywords
- main body
- femoral prosthesis
- screw thread
- boosting
- prosthesis handle
- 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 - Lifetime
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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 or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/4607—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of hip 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
-
- 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 or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4603—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4619—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof for extraction
Landscapes
- 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
The utility model discloses a femoral prosthesis handle extractor which comprises a main body which is hollow and tubular; the lower end of the main body is extended outwards and obliquely to form a semi-ring clamp hook; a thread boosting rod upper body and a thread boosting rod lower body are arranged in the main body, the thread boosting rod upper body is extended out of the upper part of the main body to be connected with a connector; the bottom of the thread boosting rod lower body is in threaded connection with a boosting head. The structure design of the utility model can hold femoral prosthesis handle firmly and reliably; the boosting head is clamped with the femoral prosthesis handle to ensure the extractor to be clamped with the prosthesis more firmly, and then an apparatus sliding hammer device is connected with a sliding hammer hole of the connector to extract the femoral prosthesis; so the extraction of femoral prosthesis becomes easier and more convenient. The extraction process is safe and convenient; the success rate is high. The femoral prosthesis handle extractor has simple structure, low manufacturing cost and good application and market prospects.
Description
Technical field
This utility model relates to a kind of femoral prosthesis handle extractor, specifically a kind of safe and reliable femoral prosthesis extractor that utilizes the mechanical fasteners principle design.
Background technology
Artificial hip joint replacing has been the effective method of treatment hip joint pathological changes in late period.But because a variety of causes causes the case of artificial full-hip joint failure to grow with each passing day, need the patient of operation once more to exist in a large number, and in the middle of these patients, taking out femoral prosthesis smoothly is the successful the only way which must be passed of performing the operation once more, and the taking-up of femoral prosthesis provides guarantee for the success of performing the operation once more.
At present, existing femoral prosthesis handle extractor mostly is greatly simply to add holds parts, as the U-shaped plate body etc., its, plate body top is provided with screw, and during use, the plate body U-lag blocks the femoral prosthesis handle, connects screw with sliding hammer and moves reciprocatingly, and prosthese takes out the most at last.But existing femoral prosthesis handle extractor is simple in structure, and blocking is insecure, occurs situations such as landing in the taking-up process through regular meeting, and the doctor needs once more fixingly from new installation when operation, not only makes take-off time elongated, and causes unnecessary misery to the patient.
Urgent need is a kind of easy to use, simple to operate at present, can increase work efficiency, and femoral prosthesis handle extractor cheap for manufacturing cost.
The utility model content
The purpose of this utility model provides a kind of esy to use, safe and reliable and can take out the femoral prosthesis handle extractor of femoral prosthesis fast.
For achieving the above object, this utility model is taked following technical scheme:
A kind of femoral prosthesis handle extractor, wherein it includes a main body, and this main body is hollow tubular, the outward-dipping semi-ring grab that is extended with in the lower end of this main body; Be provided with screw thread boosting-rod upper body and screw thread boosting-rod lower body in this main body, the top that main body is stretched out in this screw thread boosting-rod upper body is connected with a union joint; This screw thread boosting-rod lower body bottom is spirally connected with an afterburning head.
Above-mentioned femoral prosthesis handle extractor, wherein: be connected with the locknut that is enclosed within on the screw thread boosting-rod in the upper end of main body, the external screw thread of this locknut is threaded with the female thread of main body upper port.
Above-mentioned femoral prosthesis handle extractor, wherein: described union joint is provided with sliding hammer hole.
Above-mentioned femoral prosthesis handle extractor, wherein: described afterburning head is " bifurcation " type.
Above-mentioned femoral prosthesis handle extractor, wherein: the middle part of described screw thread boosting-rod upper body is provided with external screw thread, is provided with female thread in the main body of correspondence, and the external screw thread of this screw thread boosting-rod upper body and the female thread of main body carry out threaded engagement.
Above-mentioned femoral prosthesis handle extractor, wherein: the bottom is provided with and shrinks the bulge loop platform in the described main body, is provided with on the top of screw thread boosting-rod lower body and shrinks the expansion bulge loop platform that the bulge loop platform cooperates.
The beneficial effects of the utility model are:
Structural design of the present utility model can be solid and reliable control the femoral prosthesis handle, earlier hook femoral stem neck place with the semi-ring grab, utilize screw thread boosting-rod upper body and intersubjective screw thread transmission again, by the power transmission of screw thread boosting-rod lower body, make afterburning head and the blocking mutually of femoral prosthesis handle, make extractor and prosthese add to hold more firm, utilize the sliding hammer of the apparatus device and the sliding hammer pore chain of union joint to connect, the taking-up of femoral prosthesis is become be more prone to convenient the femoral prosthesis taking-up.Taking-up process safe ready, the success rate height.This utility model is simple in structure, cheap for manufacturing cost, has good application and market prospect.
Below in conjunction with the drawings and specific embodiments this utility model is described in further details, present embodiment only is this utility model preferred forms, is not to qualification of the present utility model.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is this utility model axonometric chart;
Fig. 3 is this utility model user mode sketch map ();
Fig. 4 is this utility model user mode sketch map (two).
The specific embodiment
Referring to Fig. 1, shown in Figure 2: a kind of femoral prosthesis handle extractor, wherein it includes a main body 1, and this main body 1 is hollow tubular, the outward-dipping semi-ring grab 11 that is extended with in the lower end of this main body 1; Be provided with screw thread boosting-rod upper body 2 and screw thread boosting-rod lower body 3 in this main body, the top that main body 1 is stretched out in this screw thread boosting-rod upper body 2 is connected with a union joint 4; These screw thread boosting-rod lower body 3 bottoms and one afterburning 5 are spirally connected.
Above-mentioned femoral prosthesis handle extractor, wherein: be connected with the locknut 6 that is enclosed within on the screw thread boosting-rod in the upper end of main body 1, the external screw thread of this locknut 6 is threaded with the female thread of main body 1 upper port.
Above-mentioned femoral prosthesis handle extractor, wherein: described union joint 4 is provided with sliding hammer hole 41.
Above-mentioned femoral prosthesis handle extractor, wherein: described reinforcing 5 is " bifurcation " type.
Above-mentioned femoral prosthesis handle extractor, wherein: the middle part of described screw thread boosting-rod upper body 2 is provided with external screw thread, is provided with female thread in the main body 1 of correspondence, and the external screw thread of this screw thread boosting-rod upper body 2 and the female thread of main body 1 carry out threaded engagement.
Above-mentioned femoral prosthesis handle extractor, wherein: the bottom is provided with and shrinks the bulge loop platform in the described main body 1, is provided with on the top of screw thread boosting-rod lower body 3 and shrinks the expansion bulge loop platform that the bulge loop platform cooperates.
Referring to Fig. 3 and shown in Figure 4: this utility model in use, femoral prosthesis handle 7 is lived in 11 blockings of semi-ring grab, femoral prosthesis shoulder 8 is lived in afterburning 5 blocking of " bifurcation " type, the fastening clipping of two parts is lived femoral prosthesis, mechanical sliding hammer is connected sliding hammer the into shape on the hole 41 on the union joint 4, moves reciprocatingly to femoral prosthesis taking-up the most at last.
Claims (6)
1, a kind of femoral prosthesis handle extractor, it is characterized in that: it includes a main body, and this main body is hollow tubular, the outward-dipping semi-ring grab that is extended with in the lower end of this main body; Be provided with screw thread boosting-rod upper body and screw thread boosting-rod lower body in this main body, the top that main body is stretched out in this screw thread boosting-rod upper body is connected with a union joint; This screw thread boosting-rod lower body bottom is spirally connected with an afterburning head.
2, femoral prosthesis handle extractor according to claim 1 is characterized in that: be connected with the locknut that is enclosed within on the screw thread boosting-rod in the upper end of main body, the external screw thread of this locknut is threaded with the female thread of main body upper port.
3, femoral prosthesis handle extractor according to claim 1 is characterized in that: described union joint is provided with sliding hammer hole.
4, femoral prosthesis handle extractor according to claim 1 is characterized in that: described afterburning head is " bifurcation " type.
5, femoral prosthesis handle extractor according to claim 1, it is characterized in that: the middle part of described screw thread boosting-rod upper body is provided with external screw thread, be provided with female thread in the main body of correspondence, the external screw thread of this screw thread boosting-rod upper body and the female thread of main body carry out threaded engagement.
6, femoral prosthesis handle extractor according to claim 1 is characterized in that: the bottom is provided with and shrinks the bulge loop platform in the described main body, is provided with on the top of screw thread boosting-rod lower body and shrinks the expansion bulge loop platform that the bulge loop platform cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820124248 CN201299670Y (en) | 2008-12-03 | 2008-12-03 | A femoral prosthesis handle extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820124248 CN201299670Y (en) | 2008-12-03 | 2008-12-03 | A femoral prosthesis handle extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201299670Y true CN201299670Y (en) | 2009-09-02 |
Family
ID=41083281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820124248 Expired - Lifetime CN201299670Y (en) | 2008-12-03 | 2008-12-03 | A femoral prosthesis handle extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201299670Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579168A (en) * | 2012-03-20 | 2012-07-18 | 杭州马斯汀医疗器材有限公司 | Universal prosthetic femoral stem extractor |
| CN103705318A (en) * | 2012-09-28 | 2014-04-09 | 德普伊新特斯产品有限责任公司 | Femoral prosthesis with insertion/extraction feature |
| CN103750925A (en) * | 2013-12-27 | 2014-04-30 | 北京爱康宜诚医疗器材股份有限公司 | Universal handle holder |
| CN106137392A (en) * | 2015-04-28 | 2016-11-23 | 上海微创骨科医疗科技有限公司 | A kind of neck of femur die trial withdrawing device |
| CN106420122A (en) * | 2016-08-31 | 2017-02-22 | 北京爱康宜诚医疗器材有限公司 | Femoral stem taking-out device and femoral stem taking-out system |
| CN109620485A (en) * | 2019-01-18 | 2019-04-16 | 复旦大学附属华山医院 | Device is captured for capture the molding knee joint bone defect implantation material of 3D printing |
| CN114748220A (en) * | 2022-03-24 | 2022-07-15 | 北京市春立正达医疗器械股份有限公司 | Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out |
| CN115399927A (en) * | 2022-08-18 | 2022-11-29 | 北京市春立正达医疗器械股份有限公司 | Broken cone extraction instrument and use method thereof |
-
2008
- 2008-12-03 CN CN 200820124248 patent/CN201299670Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579168A (en) * | 2012-03-20 | 2012-07-18 | 杭州马斯汀医疗器材有限公司 | Universal prosthetic femoral stem extractor |
| CN102579168B (en) * | 2012-03-20 | 2014-06-25 | 杭州马斯汀医疗器材有限公司 | Universal prosthetic femoral stem extractor |
| CN103705318A (en) * | 2012-09-28 | 2014-04-09 | 德普伊新特斯产品有限责任公司 | Femoral prosthesis with insertion/extraction feature |
| CN103750925A (en) * | 2013-12-27 | 2014-04-30 | 北京爱康宜诚医疗器材股份有限公司 | Universal handle holder |
| CN106137392A (en) * | 2015-04-28 | 2016-11-23 | 上海微创骨科医疗科技有限公司 | A kind of neck of femur die trial withdrawing device |
| CN106137392B (en) * | 2015-04-28 | 2019-01-25 | 苏州微创关节医疗科技有限公司 | A kind of neck of femur die trial withdrawing device |
| CN106420122A (en) * | 2016-08-31 | 2017-02-22 | 北京爱康宜诚医疗器材有限公司 | Femoral stem taking-out device and femoral stem taking-out system |
| CN109620485A (en) * | 2019-01-18 | 2019-04-16 | 复旦大学附属华山医院 | Device is captured for capture the molding knee joint bone defect implantation material of 3D printing |
| CN114748220A (en) * | 2022-03-24 | 2022-07-15 | 北京市春立正达医疗器械股份有限公司 | Femoral stem prosthesis holding device for three purposes of holding, implanting and taking out |
| CN115399927A (en) * | 2022-08-18 | 2022-11-29 | 北京市春立正达医疗器械股份有限公司 | Broken cone extraction instrument and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090902 |