CN106725716B - Tibial plateau inner edge osteotomy orienting locator - Google Patents
Tibial plateau inner edge osteotomy orienting locator Download PDFInfo
- Publication number
- CN106725716B CN106725716B CN201710004431.9A CN201710004431A CN106725716B CN 106725716 B CN106725716 B CN 106725716B CN 201710004431 A CN201710004431 A CN 201710004431A CN 106725716 B CN106725716 B CN 106725716B
- Authority
- CN
- China
- Prior art keywords
- inner edge
- osteotomy
- tibial plateau
- positioning plate
- arc positioning
- 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 - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a kind of tibial plateau inner edge osteotomy orienting locators, including arc positioning plate, unilateral rack is equipped on the edge of the arc positioning plate side, the radian of the unilateral rack is identical with the radian of arc positioning plate, and the teeth portion of the unilateral rack is used to inscribe trace in intercondylar ridge Inner edge.Using tibial plateau inner edge osteotomy orienting locator provided by the invention, structure novel, it is easily achieved, whole small volume and less weight is easy to use, doctor can accurately determine the direction of the vertical osteotomy in tibial plateau inner edge, make section outgoing direction axially consistent with femoral prosthesis, ensure the correct placement of femur and tibial prosthesis, avoid hitting there is a situation where excessive osteotomy, angular deviation or prosthese, reduce patient pain, accelerate speed of wound healing.
Description
Technical field
The invention belongs to medical auxiliary instrument technical fields, and in particular to a kind of tibial plateau inner edge osteotomy guide-localization
Device.
Background technology
Knee joint single condyle displacement technique is the common operation for treating the diseases such as osteoarthritis or the traumatic arthritis in separate room,
Have many advantages, such as that wound is small, it is fast to restore, only need to replace bad bony part, patient can be made to reduce pain, reduce the hospital stays,
Accelerate speed of wound healing, make the rapid rehabilitation of patient.
The straightforward bone of tibial plateau Inner marginal lappets is the first step of knee joint single condyle displacement technique, and osteotomy depth and direction influence stock
How the correct placement of bone and tibial prosthesis correctly determines that the direction of the vertical osteotomy in tibial plateau inner edge is particularly significant, current
Localization method is to position homonymy anterior superior spine by touch, and round-trip mandrel line is aligned the anterior superior spine direction osteotomy, this method
Receptor site and subjective impact are larger, and cannot accurately determine the distance close to shin bone intercondylar ridge, be easy to cause cut outgoing direction and
Femoral prosthesis is axially inconsistent, and excessive osteotomy, angular deviation or prosthese is caused to hit.Solving problem above becomes the task of top priority.
Invention content
For solution more than technical problem, the present invention provides a kind of tibial plateau inner edge osteotomy orienting locator, can be accurate
It determines the direction of the vertical osteotomy in tibial plateau inner edge, makes section outgoing direction axially consistent with femoral prosthesis.
To achieve the above object, technical solution of the present invention is as follows：
A kind of tibial plateau inner edge osteotomy orienting locator, is characterized by：Including arc positioning plate, determine in the arc
The edge of position plate side is equipped with unilateral rack, and the radian of the unilateral rack is identical with the radian of arc positioning plate, described unilateral
The teeth portion of rack is used to inscribe trace in intercondylar ridge Inner edge, which represents the straightforward bone direction of tibial plateau Inner marginal lappets, according to
The trace after osteotomy accurately to dispose prosthese.
Using more than structure, doctor holds handle, and entire orienting locator is inserted into patient's knee space, then will suffer from
Person's knee joint is gradually lifted to from buckling position in the dynamic process for stretching position, since single-end is higher by arch section, thus it is single
The teeth portion of side gear can inscribe trace in intercondylar ridge Inner edge, which represents the straightforward bone direction of tibial plateau Inner marginal lappets, from
And doctor can accurately determine the direction of the vertical osteotomy in tibial plateau inner edge, make section outgoing direction axially consistent with femoral prosthesis, protect
The correct placement of femur and tibial prosthesis is demonstrate,proved, avoids hitting there is a situation where excessive osteotomy, angular deviation or prosthese, reduces trouble
Person's pain, accelerates speed of wound healing.
As preferred：Detachable handle is additionally provided on the arc positioning plate.Using more than structure, pass through handle
Stablize entire orienting locator, it is ensured that device is fitted in the centre position of femur Inner condyles, and handle is detachable, is conveniently replaceable.
As preferred：One end that the handle is connect with arc positioning plate has external screw thread, in the arc positioning plate
The threaded hole being adapted with the external screw thread is provided on outer wall.Simple in structure using more than structure, installation is reliable, convenient for tearing open
It unloads.
As preferred：The handle is truncated cone-shaped, and the diameter of the handle first end is less than the straight of the handle second end
Diameter, the handle first end can be connect with the arc positioning plate.Using more than structure, hold and operate convenient for doctor.
As preferred：The arc positioning plate and unilateral rack are integrally formed.Using more than structure, structural strength is high, makes
With reliable and stable.
As preferred：The arc positioning plate and unilateral rack use metal material.Using more than structure, structural strength
Height, use are reliable and stable.
As preferred：The a height of 1mm of teeth portion, tooth pitch 1.5mm.Using more than structure, the tooth of unilateral rack was both ensured
Portion can inscribe trace, and can reduce the operation wound of patient in intercondylar ridge Inner edge.
Compared with prior art, the beneficial effects of the invention are as follows：
Using tibial plateau inner edge osteotomy orienting locator provided by the invention, structure novel, it is easy to accomplish, it is whole compact
Light, easy to use, doctor can accurately determine the direction of the vertical osteotomy in tibial plateau inner edge, make to cut outgoing direction and femoral prosthesis
It is axial consistent, ensure the correct placement of femur and tibial prosthesis, avoid that the feelings that excessive osteotomy, angular deviation or prosthese are hit occur
Condition reduces patient pain, accelerates speed of wound healing.
Description of the drawings
Fig. 1 is the usage state diagram of the present invention；
Fig. 2 is the axonometric drawing of the present invention；
Fig. 3 is the structure diagram of the present invention；
Fig. 4 is the structure diagram of handle.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As shown in FIG. 1 to 3, a kind of tibial plateau inner edge osteotomy orienting locator, including arc positioning plate 1, described
The edge of 1 side of arc positioning plate is equipped with unilateral rack 2, the radian of the unilateral rack 2 and the radian phase of arc positioning plate 1
Together, the teeth portion 2a of the unilateral rack 2 is used to inscribe trace in intercondylar ridge Inner edge.The arc positioning plate 1 and unilateral rack 2 one
It is body formed, it is manufactured convenient for technique, and the two uses metal material, the integrally formed arc positioning plate 1 and unilateral rack 2
It is of different sizes, to adapt to condyle of femur of different sizes.The a height of 1mm of teeth portion 2a of the unilateral rack 2, tooth pitch are
1.5mm, the teeth portion 2a for not only having ensured unilateral rack 2 can inscribe trace, but also can reduce the operation wound of patient in intercondylar ridge Inner edge.
As shown in Figure 1 to 4, detachable handle 3, the handle 3 and arc are additionally provided on the arc positioning plate 1
One end that shape positioning plate 1 connects has external screw thread 3a, is provided on the outer wall of the arc positioning plate 1 and the external screw thread 3a
Adaptable threaded hole, the handle 3 also can be removably mounted on the arc by other connection modes such as embedded and position
On the outer wall of plate 1, the handle 3 can arrange in pairs or groups various sizes of arc positioning plate 1.The handle 3 be truncated cone-shaped, the handle
The diameter of 3 first ends is less than the diameter of 3 second end of handle, and 3 first end of handle can connect with the arc positioning plate 1
It connects, holds and operate convenient for doctor.
The course of work of the present invention is as follows：
After the conventional approach of operation shows condyle of femur and tibial plateau, corresponding size is selected according to the condyle of femur size of measurement
Handle 3 is mounted on arc positioning plate 1, then by arc positioning plate 1 and unilateral rack by arc positioning plate 1 and unilateral rack 2
2 are inserted into joint space, are bonded condyle of femur, it is ensured that arc positioning plate 1 is fitted in the centre position of femur Inner condyles, will by handle 3
It is stablized, and the knee joint of patient is gradually lifted to from buckling position in the dynamic process for stretching position by doctor, since unilateral rack 2 compares
Arc positioning plate 1 is high, so the teeth portion 2a of unilateral rack 2 can inscribe trace in intercondylar ridge Inner edge, which represents shin bone
The straightforward bone direction of platform Inner marginal lappets, according to disposing prosthese after the trace osteotomy.
Finally it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such transformation is each fallen within protection scope of the present invention.
Claims (7)
1. a kind of tibial plateau inner edge osteotomy orienting locator, it is characterised in that：Including arc positioning plate (1), in the arc
The edge of positioning plate (1) side is equipped with unilateral rack (2), the radian of the unilateral rack (2) and the radian of arc positioning plate (1)
Identical, for the teeth portion (2a) of the unilateral rack (2) for inscribing trace in intercondylar ridge Inner edge, which represents tibial plateau Inner
The straightforward bone direction of marginal lappet, according to the trace accurately to dispose prosthese after osteotomy.
2. tibial plateau inner edge osteotomy orienting locator according to claim 1, it is characterised in that：It is positioned in the arc
Detachable handle (3) is additionally provided on plate (1).
3. tibial plateau inner edge osteotomy orienting locator according to claim 2, it is characterised in that：The handle (3) with
Arc positioning plate (1) connection one end have external screw thread (3a), be provided on the outer wall of the arc positioning plate (1) with it is described
The adaptable threaded hole of external screw thread (3a).
4. the tibial plateau inner edge osteotomy orienting locator according to Claims 2 or 3, it is characterised in that：The handle (3)
For truncated cone-shaped, the diameter of the handle first end is less than the diameter of the handle second end, and the handle first end can be with institute
State arc positioning plate (1) connection.
5. tibial plateau inner edge osteotomy orienting locator according to claim 1, it is characterised in that：The arc positioning plate
(1) it is integrally formed with unilateral rack (2).
6. tibial plateau inner edge osteotomy orienting locator according to claim 1 or 5, it is characterised in that：The arc is determined
Position plate (1) and unilateral rack (2) use metal material.
7. tibial plateau inner edge osteotomy orienting locator according to claim 1, it is characterised in that：The teeth portion (2a) is high
For 1mm, tooth pitch 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004431.9A CN106725716B (en) | 2017-01-04 | 2017-01-04 | Tibial plateau inner edge osteotomy orienting locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710004431.9A CN106725716B (en) | 2017-01-04 | 2017-01-04 | Tibial plateau inner edge osteotomy orienting locator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106725716A CN106725716A (en) | 2017-05-31 |
| CN106725716B true CN106725716B (en) | 2018-07-03 |
Family
ID=58949800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710004431.9A Expired - Fee Related CN106725716B (en) | 2017-01-04 | 2017-01-04 | Tibial plateau inner edge osteotomy orienting locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106725716B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5035698A (en) * | 1985-04-10 | 1991-07-30 | Ohio Medical Instrument Co., Inc. | Arcuate osteotomy blade |
| US6375658B1 (en) * | 2000-04-28 | 2002-04-23 | Smith & Nephew, Inc. | Cartilage grafting |
| US20060241405A1 (en) * | 2005-03-09 | 2006-10-26 | Aesculap Ag & Co. Kg | Method and apparatus for performing an orthodepic stability test using a surgical navigation system |
| WO2012003375A1 (en) * | 2010-06-30 | 2012-01-05 | Smith & Nephew, Inc. | Resection instrument |
| US8821509B2 (en) * | 2012-10-27 | 2014-09-02 | Danamed, Inc. | Surgical instrument and method of using same |
| CN203598028U (en) * | 2013-12-03 | 2014-05-21 | 中南大学湘雅医院 | Tibia osteotomy positioner for individualized osteotomy posterior slope angle |
| CN204468191U (en) * | 2015-02-07 | 2015-07-15 | 上海时光整形外科医院有限公司 | A kind of angle of mandible Horn remover |
| CN105708529B (en) * | 2016-01-20 | 2018-05-08 | 首都医科大学附属北京朝阳医院 | A kind of posterior cruciate ligament of knee protective device for total knee arthroplasty |
-
2017
- 2017-01-04 CN CN201710004431.9A patent/CN106725716B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106725716A (en) | 2017-05-31 |
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Granted publication date: 20180703 Termination date: 20190104 |