CN104306065B - Acetabular bone alignment device and method - Google Patents
Acetabular bone alignment device and method Download PDFInfo
- Publication number
- CN104306065B CN104306065B CN201410523086.6A CN201410523086A CN104306065B CN 104306065 B CN104306065 B CN 104306065B CN 201410523086 A CN201410523086 A CN 201410523086A CN 104306065 B CN104306065 B CN 104306065B
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- Prior art keywords
- contact pin
- iliac spine
- anterior
- acetabular bone
- incisura
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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 present invention relates to a kind of acetabular bone alignment device, including acetabular bone physiology reference plane, anterior superior iliac spine floating contact pin, anterior inferior iliac spine floating contact pin, sciatic nerve incisura contact pin, anterior superior iliac spine floating contact pin, anterior inferior iliac spine floating contact pin, sciatic nerve incisura contact pin is positioned at acetabular bone physiology reference plane homonymy, anterior superior iliac spine floating contact pin, anterior inferior iliac spine floating contact pin is vertical with acetabular bone physiology reference plane to be connected, anterior superior iliac spine floating contact pin, the length of anterior inferior iliac spine floating contact pin is identical, sciatic nerve incisura contact pin is longer, sciatic nerve incisura contact pin is connected by universal joint and acetabular bone physiology reference plane are fixing.Acetabular bone alignment device of the present invention solves currently used line connector and uses overall trunk as benchmark, and low precision, the problem that the factor impact such as receptor site is big, hip prosthesis installs and utilize the present invention, and mobility and the stability of 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 to determine acetabular bone physiological angle, in order to correct installation mortar cup.Acetabular bone physiological angle
The quality determined will directly influence mobility and the stability of postoperative hip prosthesis.Currently used acetabular bone
The line phase uses overall trunk as benchmark, and its low precision, the factor impact such as receptor site is big.
Summary of the invention
The technical problem to be solved in the present invention is: in order to solve the problems referred to above, and the present invention provides a kind of acetabular bone pair
Line apparatus 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, including hip
Mortar physiology reference plane, anterior superior iliac spine floating contact pin, anterior inferior iliac spine floating contact pin, sciatic nerve incisura connect
Contact pilotage, the contact of described anterior superior iliac spine floating contact pin, anterior inferior iliac spine floating contact pin, sciatic nerve incisura
Pin is positioned at acetabular bone physiology reference plane homonymy, and described anterior superior iliac spine floating contact pin, anterior inferior iliac spine float and contact
Pin is vertical with acetabular bone physiology reference plane to be connected, and described anterior superior iliac spine floating contact pin, anterior inferior iliac spine float and connect
The length of contact pilotage is identical, the relatively described anterior superior iliac spine floating contact pin of described sciatic nerve incisura contact pin,
The long 70mm-80mm of anterior inferior iliac spine floating contact pin, described sciatic nerve incisura contact pin passes through universal joint
Fix with acetabular bone physiology reference plane and be connected.
Described anterior superior iliac spine floating contact pin, the spacing scalable of anterior inferior iliac spine floating contact pin.Individual
The position of difference, anterior superior iliac spine and anterior inferior iliac spine is the most incomplete same, and the scalable of distance can meet difference
Change.
The relatively described anterior superior iliac spine floating contact pin of described sciatic nerve incisura contact pin, anterior inferior iliac spine float
The long 75mm of contact pin.Bone data display 75mm is closest to physiological angle.
A kind of utilizing acetabular bone alignment device to carry out the acetabular bone method to line, step is as follows,
First sciatic nerve incisura contact pin is cut with sciatic nerve away from one end of acetabular bone physiology reference plane
Mark contacts, and sciatic nerve is made sure to keep in mind contact pin and outwards kept flat vertical with trunk sagittal plane and remain stationary as,
Secondly b. anterior superior iliac spine is floated contact pin, anterior inferior iliac spine floating contact pin away from acetabular bone physiology reference
The one end in face contacts with anterior superior iliac spine and anterior inferior iliac spine respectively,
C. described sciatic nerve incisura contact pin, anterior superior iliac spine floating contact pin and anterior inferior iliac spine are floated and connect
Three pin mutual relation lockings of contact pilotage,
The most finally determine the trend of acetabular bone physiology reference plane.
A kind of determination method of 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 translates laterally
70mm to 80mm, 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 translates 75mm laterally.
The invention has the beneficial effects as follows, acetabular bone alignment device of the present invention reappears acetabular bone physiological angle, to line by two
Individual bone labelling and an extension bone labelling determine its datum level, can determine that acetabular cup is false easily
The implant angle of body,
Solving currently used line connector uses overall trunk as factors such as benchmark, low precision, receptor sites
Affecting big problem, hip prosthesis is installed and is utilized the present invention, and mobility and the stability of hip prosthesis are big
Big raising.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of acetabular bone alignment device optimum embodiment of the present invention.
In figure 1, anterior superior iliac spine floating contact pin, 2, anterior inferior iliac spine floating contact pin, 3, acetabular bone physiology reference
Face, 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,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
As it is shown in figure 1, acetabular bone alignment device of the present invention, float including acetabular bone physiology reference plane 3, anterior superior iliac spine
Contact pin 1, anterior inferior iliac spine floating contact pin 2, sciatic nerve incisura contact pin 4, anterior superior iliac spine floats and contacts
It is same that pin 1, anterior inferior iliac spine floating contact pin 2, sciatic nerve incisura contact pin 4 are positioned at acetabular bone physiology reference plane 3
Side, anterior superior iliac spine floating contact pin 1, anterior inferior iliac spine floating contact pin 2 are vertical with acetabular bone physiology reference plane 3 to be connected
Connect, anterior superior iliac spine floating contact pin 1, anterior inferior iliac spine floating contact pin 2 length identical, sciatic nerve incisura
Contact pin 4 relatively anterior superior iliac spine floating contact pin 1, the long 75mm of anterior inferior iliac spine floating contact pin 2, sciatic nerve is cut
Mark contact pin 4 is connected by universal joint is fixing with acetabular bone physiology reference plane 3, and anterior superior iliac spine floats and contacts
Pin 1, the spacing scalable of anterior inferior iliac spine floating contact pin 2.
A kind of utilizing acetabular bone alignment device to carry out the acetabular bone method to line, step is as follows,
First by sciatic nerve incisura contact pin 4 away from one end of acetabular bone physiology reference plane 3 and sciatic nerve
Incisura contacts, and sciatic nerve is made sure to keep in mind contact pin 4 and outwards kept flat vertical with trunk sagittal plane and keep
It is motionless,
Secondly b. anterior superior iliac spine is floated contact pin 1, anterior inferior iliac spine floating contact pin 2 away from acetabular bone physiology
One end of reference plane 3 contacts with anterior superior iliac spine and anterior inferior iliac spine respectively,
C. described sciatic nerve incisura contact pin 4, anterior superior iliac spine floating contact pin 1 and anterior inferior iliac spine are floated
Three pin mutual relation lockings of dynamic contact pin 2,
The most finally determine the trend of acetabular bone physiology reference plane 3.
A kind of determination method of 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 translates laterally
70mm to 80mm, 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 translates 75mm laterally.
The datum level of acetabular bone alignment device is additionally cut plus a pelvis sciatic nerve by anterior superior iliac spine and anterior inferior iliac spine
Extension point three composition of 70 to 80mm outside mark, acetabular bone alignment device can determine acetabular bone easily
The implant angle of place's prosthese.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (5)
1. an acetabular bone alignment device, is characterized in that: includes that acetabular bone physiology reference plane (3), anterior superior iliac spine float and connects
Contact pilotage (1), anterior inferior iliac spine floating contact pin (2), sciatic nerve incisura contact pin (4), described anterior superior iliac spine floats
Dynamic contact pin (1), anterior inferior iliac spine floating contact pin (2), sciatic nerve incisura contact pin (4) are positioned at acetabular bone physiology ginseng
Showing up (3) homonymy, described anterior superior iliac spine floating contact pin (1), anterior inferior iliac spine floating contact pin (2) are raw with acetabular bone
Reason reference plane (3) vertically connects, described anterior superior iliac spine floating contact pin (1), anterior inferior iliac spine floating contact pin (2)
Length identical, relatively described anterior superior iliac spine floating contact pin (1) of described sciatic nerve incisura contact pin (4),
Anterior inferior iliac spine floating contact pin (2) long 70mm-80mm, described sciatic nerve incisura contact pin (4) is by universal
Union joint is fixing with acetabular bone physiology reference plane (3) to be connected.
2. acetabular bone alignment device as claimed in claim 1, is characterized in that: described anterior superior iliac spine floats and contacts
Pin (1), the spacing scalable of anterior inferior iliac spine floating contact pin (2).
3. acetabular bone alignment device as claimed in claim 2, is characterized in that: described sciatic nerve incisura contact
Relatively described anterior superior iliac spine floating contact pin (1) of pin (4), anterior inferior iliac spine floating contact pin (2) long 75mm.
4. the determination method of an acetabular bone datum level, it is characterised 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 translates laterally
70mm to 80mm, 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.
5. the determination method of acetabular bone datum level as claimed in claim 4, it is characterised in that: described extension bone
It is labeled as sciatic nerve incisura and translates 75mm laterally.
Priority Applications (1)
| 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 |
|---|---|
| CN104306065A CN104306065A (en) | 2015-01-28 |
| CN104306065B true 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104771230B (en) * | 2015-04-27 | 2017-03-15 | 中南大学湘雅医院 | A kind of acetabular outer cup implantable marker instrument and labeling method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10200690B4 (en) * | 2002-01-10 | 2005-03-03 | Intraplant Ag | Aid for implantation of a hip joint endoprosthesis |
| KR100706030B1 (en) * | 2005-04-12 | 2007-04-11 | 한국과학기술원 | Navigation system for hip replacement surgery having reference device and method using the same |
| US8267938B2 (en) * | 2007-11-01 | 2012-09-18 | Murphy Stephen B | Method and apparatus for determining acetabular component positioning |
| GB0820219D0 (en) * | 2008-11-05 | 2008-12-10 | Imp Innovations Ltd | Hip resurfacing |
| US9278010B2 (en) * | 2010-08-16 | 2016-03-08 | Smith & Nephew, Inc. | 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 |
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