CN104306065A - Acetabulum line aligning device and method - Google Patents
Acetabulum line aligning device and method Download PDFInfo
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- CN104306065A CN104306065A CN201410523086.6A CN201410523086A CN104306065A CN 104306065 A CN104306065 A CN 104306065A CN 201410523086 A CN201410523086 A CN 201410523086A CN 104306065 A CN104306065 A CN 104306065A
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- China
- Prior art keywords
- contact pin
- iliac spine
- anterior
- acetabular bone
- sciatic nerve
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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
- A61F2/46—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
- A61F2/4609—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 acetabular cups
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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
The invention relates to an acetabulum line aligning device, which comprises an acetabulum physiological reference surface, a spina iliaca anterior superior floating contact needle, a spina iliaca anterior inferior floating contact needle and a sciatic nerve incisure contact needle, wherein the spina iliaca anterior superior floating contact needle, the spina iliaca anterior inferior floating contact needle and the sciatic nerve incisure contact needle are positioned at the same side of the acetabulum physiological reference surface, the spina iliaca anterior superior floating contact needle and the spina iliaca anterior inferior floating contact needle are vertically connected with the acetabulum physiological reference surface, the spina iliaca anterior superior floating contact needle and the spina iliaca anterior inferior floating contact needle have the same length, the sciatic nerve incisure contact needle is longer, and the sciatic nerve incisure contact needle is fixedly connected with the acetabulum physiological reference surface through a universal connecting head. The acetabulum line aligning device solves the problems that the line aligning device used in the prior art uses the integral body as the reference, the precision is poor, and the great influence is caused by factors such as body positions. When the device provided by the invention is used for hip prosthesis installation, the moving degree and the stability of the hip prosthesis are greatly improved.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, particularly relate to a kind of acetabular bone alignment device.
Background technology
Hip replacement surgery need determine acetabular bone physiological angle, installs mortar cup so that correct.The quality that acetabular bone physiological angle is determined will directly have influence on mobility and the stability of postoperative hip prosthesis.The factors such as the acetabular bone of current use uses overall trunk as benchmark to the line phase, its low precision, receptor site impact is large.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the problem, and the invention provides a kind of acetabular bone alignment device and solves the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of acetabular bone alignment device, comprise the reference plane of acetabular bone physiology, anterior superior iliac spine floats contact pin, anterior inferior iliac spine floats contact pin, sciatic nerve incisura contact pin, described anterior superior iliac spine floats contact pin, anterior inferior iliac spine floats contact pin, sciatic nerve incisura contact pin is positioned at acetabular bone physiology reference plane homonymy, described anterior superior iliac spine floats contact pin, the anterior inferior iliac spine contact pin that floats is connected with the reference plane of acetabular bone physiology is vertical, described anterior superior iliac spine floats contact pin, the float length of contact pin of anterior inferior iliac spine is identical, the comparatively described anterior superior iliac spine of described sciatic nerve incisura contact pin floats contact pin, anterior inferior iliac spine floats the long 70mm-80mm of contact pin, described sciatic nerve incisura contact pin is fixedly connected with the reference plane of acetabular bone physiology by universal joint.
Float contact pin, anterior inferior iliac spine of described anterior superior iliac spine floats the spacing scalable of contact pin.Individual different, the position of anterior superior iliac spine and anterior inferior iliac spine is also incomplete same, and the scalable of distance can meet different changes.
Float contact pin, anterior inferior iliac spine of the comparatively described anterior superior iliac spine of described sciatic nerve incisura contact pin floats the long 75mm of contact pin.75mm is the most close to physiological angle for the display of bone data.
Utilize acetabular bone alignment device to carry out the method for acetabular bone to line, step is as follows,
A. first sciatic nerve incisura contact pin one end away from the reference plane of acetabular bone physiology is contacted with sciatic nerve incisura, and sciatic nerve is made sure to keep in mind contact pin and is outwards kept flat vertical with trunk sagittal plane and keep motionless,
B. float one end away from the reference plane of acetabular bone physiology of contact pin of contact pin, anterior inferior iliac spine of secondly being floated by anterior superior iliac spine contacts with anterior inferior iliac spine with anterior superior iliac spine respectively,
C. described sciatic nerve incisura contact pin, anterior superior iliac spine floated contact pin and anterior inferior iliac spine floats three pin mutual relation lockings of contact pin,
D. the trend of acetabular bone physiology reference plane is finally determined.
A defining method for acetabular bone datum level, step is as follows,
First the position of anterior superior iliac spine and anterior inferior iliac spine is determined,
Next determines that extends a bone labelling, extends bone and is labeled as sciatic nerve incisura and translation 70mm to 80mm laterally, and vertical with trunk sagittal plane;
Finally determine acetabular bone datum level with anterior superior iliac spine, anterior inferior iliac spine, extension bone labelling 3.
Described extension bone is labeled as sciatic nerve incisura and translation 75mm laterally.
The invention has the beneficial effects as follows, acetabular bone alignment device of the present invention reappears acetabular bone physiological angle, extends bone labelling and determines its datum level, can determine the implant angle of acetabular cup prosthesis easily to line by two bone labellings and one,
Solving the line connector used at present uses overall trunk as benchmark, low precision, and the factors such as receptor site affect large problem, and hip prosthesis is installed and utilized the present invention, and mobility and the stability of hip prosthesis improve greatly.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the optimum embodiment of acetabular bone alignment device of the present invention.
In figure 1, anterior superior iliac spine floats contact pin, and 2, anterior inferior iliac spine floats contact pin, 3, the reference plane of acetabular bone physiology, 4, sciatic nerve incisura contact pin.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, acetabular bone alignment device of the present invention, comprise acetabular bone physiology reference plane 3, anterior superior iliac spine floats contact pin 1, anterior inferior iliac spine floats contact pin 2, sciatic nerve incisura contact pin 4, anterior superior iliac spine floats contact pin 1, anterior inferior iliac spine floats contact pin 2, sciatic nerve incisura contact pin 4 is positioned at acetabular bone physiology reference plane 3 homonymy, anterior superior iliac spine floats contact pin 1, the anterior inferior iliac spine contact pin 2 that floats is connected with acetabular bone physiology reference plane 3 is vertical, anterior superior iliac spine floats contact pin 1, the float length of contact pin 2 of anterior inferior iliac spine is identical, sciatic nerve incisura contact pin 4 comparatively anterior superior iliac spine floats contact pin 1, anterior inferior iliac spine floats the long 75mm of contact pin 2, sciatic nerve incisura contact pin 4 is fixedly connected with acetabular bone physiology reference plane 3 by universal joint, anterior superior iliac spine floats contact pin 1, anterior inferior iliac spine floats the spacing scalable of contact pin 2.
Utilize acetabular bone alignment device to carry out the method for acetabular bone to line, step is as follows,
A. first sciatic nerve incisura contact pin 4 one end away from acetabular bone physiology reference plane 3 is contacted with sciatic nerve incisura, and sciatic nerve is made sure to keep in mind contact pin 4 and is outwards kept flat vertical with trunk sagittal plane and keep motionless,
B. float one end away from acetabular bone physiology reference plane 3 of contact pin 2 of contact pin 1, anterior inferior iliac spine of secondly being floated by anterior superior iliac spine contacts with anterior inferior iliac spine with anterior superior iliac spine respectively,
C. described sciatic nerve incisura contact pin 4, anterior superior iliac spine floated contact pin 1 and anterior inferior iliac spine floats three pin mutual relation lockings of contact pin 2,
D. the trend of acetabular bone physiology reference plane 3 is finally determined.
A defining method for acetabular bone datum level, step is as follows,
First the position of anterior superior iliac spine and anterior inferior iliac spine is determined,
Next determines that extends a bone labelling, extends bone and is labeled as sciatic nerve incisura and translation 70mm to 80mm laterally, and vertical with trunk sagittal plane;
Finally determine acetabular bone datum level with anterior superior iliac spine, anterior inferior iliac spine, extension bone labelling 3,
Described extension bone is labeled as sciatic nerve incisura and translation 75mm laterally.
By anterior superior iliac spine and anterior inferior iliac spine, the datum level of acetabular bone alignment device adds that the extension of 70 to 80mm outside a pelvis sciatic nerve incisura is put at three and formed in addition, acetabular bone alignment device can determine the implant angle of acetabular bone place prosthese easily.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, must determine its technical scope according to right.
Claims (6)
1. an acetabular bone alignment device, it is characterized in that: comprise acetabular bone physiology reference plane (3), anterior superior iliac spine floats contact pin (1), anterior inferior iliac spine floats contact pin (2), sciatic nerve incisura contact pin (4), described anterior superior iliac spine floats contact pin (1), anterior inferior iliac spine floats contact pin (2), sciatic nerve incisura contact pin (4) is positioned at acetabular bone physiology reference plane (3) homonymy, described anterior superior iliac spine floats contact pin (1), the anterior inferior iliac spine contact pin (2) that floats is connected with acetabular bone physiology reference plane (3) is vertical, described anterior superior iliac spine floats contact pin (1), the float length of contact pin (2) of anterior inferior iliac spine is identical, the comparatively described anterior superior iliac spine of described sciatic nerve incisura contact pin (4) floats contact pin (1), anterior inferior iliac spine floats contact pin (2) long 70mm-80mm, described sciatic nerve incisura contact pin (4) is fixedly connected with acetabular bone physiology reference plane (3) by universal joint.
2. acetabular bone alignment device as claimed in claim 1, is characterized in that: float contact pin (1), anterior inferior iliac spine of described anterior superior iliac spine floats the spacing scalable of contact pin (2).
3. acetabular bone alignment device as claimed in claim 2, is characterized in that: float contact pin (1), anterior inferior iliac spine of the comparatively described anterior superior iliac spine of described sciatic nerve incisura contact pin (4) floats contact pin (2) long 75mm.
4. utilize the acetabular bone alignment device of any one in claim 1-3 to carry out the method for acetabular bone to line, it is characterized in that: step is as follows,
A. first sciatic nerve incisura contact pin (4) one end away from acetabular bone physiology reference plane (3) is contacted with sciatic nerve incisura, and sciatic nerve is made sure to keep in mind contact pin (4) and is outwards kept flat vertical with trunk sagittal plane and keep motionless
B. float one end away from acetabular bone physiology reference plane (3) of contact pin (2) of contact pin (1), anterior inferior iliac spine of secondly being floated by anterior superior iliac spine contacts with anterior inferior iliac spine with anterior superior iliac spine respectively,
C. described sciatic nerve incisura contact pin (4), anterior superior iliac spine floated contact pin (1) and anterior inferior iliac spine floats three pin mutual relation lockings of contact pin (2),
D. the trend of acetabular bone physiology reference plane (3) is finally determined.
5. a defining method for acetabular bone datum level, is characterized in that: step is as follows,
First the position of anterior superior iliac spine and anterior inferior iliac spine is determined,
Next determines that extends a bone labelling, extends bone and is labeled as sciatic nerve incisura and translation 70mm to 80mm laterally, and vertical with trunk sagittal plane;
Finally determine acetabular bone datum level with anterior superior iliac spine, anterior inferior iliac spine, extension bone labelling 3.
6. the defining method of acetabular bone datum level as claimed in claim 5, is characterized in that: described extension bone is labeled as sciatic nerve incisura and translation 75mm laterally.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523086.6A CN104306065B (en) | 2014-09-30 | 2014-09-30 | Acetabular bone alignment device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523086.6A CN104306065B (en) | 2014-09-30 | 2014-09-30 | Acetabular bone alignment device and method |
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| Publication Number | Publication Date |
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| CN104306065A true CN104306065A (en) | 2015-01-28 |
| CN104306065B CN104306065B (en) | 2016-11-30 |
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| CN201410523086.6A Active CN104306065B (en) | 2014-09-30 | 2014-09-30 | Acetabular bone alignment device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771230A (en) * | 2015-04-27 | 2015-07-15 | 中南大学湘雅医院 | Outer acetabulum cup implantation marking device and marking method |
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| US20050107799A1 (en) * | 2002-01-10 | 2005-05-19 | Reinhard Graf | Accessory for implanting a hip endoprosthesis, and method for manipulating the same |
| WO2006109983A1 (en) * | 2005-04-12 | 2006-10-19 | Korea Advanced Institute Of Science And Technology | Navigation system for hip replacement surgery having reference mechanism and method using the same |
| WO2009058319A1 (en) * | 2007-11-01 | 2009-05-07 | Murphy Stephen B | Method and apparatus for determining acetabular component positioning |
| CN102271610A (en) * | 2008-11-05 | 2011-12-07 | 帝国改革有限公司 | Hip resurfacing |
| CN103153240A (en) * | 2010-08-16 | 2013-06-12 | 史密夫和内修有限公司 | Patient-matched acetabular alignment tool |
| CN204147123U (en) * | 2014-09-30 | 2015-02-11 | 创生医疗器械（中国）有限公司 | Acetabular bone alignment device |
-
2014
- 2014-09-30 CN CN201410523086.6A patent/CN104306065B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050107799A1 (en) * | 2002-01-10 | 2005-05-19 | Reinhard Graf | Accessory for implanting a hip endoprosthesis, and method for manipulating the same |
| WO2006109983A1 (en) * | 2005-04-12 | 2006-10-19 | Korea Advanced Institute Of Science And Technology | Navigation system for hip replacement surgery having reference mechanism and method using the same |
| WO2009058319A1 (en) * | 2007-11-01 | 2009-05-07 | Murphy Stephen B | Method and apparatus for determining acetabular component positioning |
| EP2626031A2 (en) * | 2007-11-01 | 2013-08-14 | Stephen B. Murphy | Method of calibrating an instrument to be used in establishing a reference plane for hip arthoplasty |
| EP2626031A3 (en) * | 2007-11-01 | 2014-09-24 | Stephen B. Murphy | Method of calibrating an instrument to be used in establishing a reference plane for hip arthoplasty |
| CN102271610A (en) * | 2008-11-05 | 2011-12-07 | 帝国改革有限公司 | Hip resurfacing |
| CN103153240A (en) * | 2010-08-16 | 2013-06-12 | 史密夫和内修有限公司 | Patient-matched acetabular alignment tool |
| CN204147123U (en) * | 2014-09-30 | 2015-02-11 | 创生医疗器械（中国）有限公司 | Acetabular bone alignment device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104771230A (en) * | 2015-04-27 | 2015-07-15 | 中南大学湘雅医院 | Outer acetabulum cup implantation marking device and marking method |
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| CN104306065B (en) | 2016-11-30 |
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