CN111714166A - Multi-functional caliber that struts of orthopedics - Google Patents
Multi-functional caliber that struts of orthopedics Download PDFInfo
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- CN111714166A CN111714166A CN202010491028.5A CN202010491028A CN111714166A CN 111714166 A CN111714166 A CN 111714166A CN 202010491028 A CN202010491028 A CN 202010491028A CN 111714166 A CN111714166 A CN 111714166A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/025—Joint distractors
- A61B2017/0268—Joint distractors for the knee
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Abstract
The invention relates to an orthopedic multifunctional distraction measurer. The invention is provided with the distraction measurer with the front distraction part and the rear distraction part, can simultaneously distract the front and rear gaps, does not need to respectively distract and measure the front and rear gaps, and ensures the measurement accuracy; meanwhile, the distance between the front distraction part and the rear distraction part is adjustable, thereby ensuring the universality of the operation and being directly used by various people; one opening plate of each opening part is fixed, and the other opening plate can rotate, so that the opening parts can be more attached to the bone surface during operation, relative rotation can be generated according to the bone surface, and the parallelism measurement is realized by combining the use of the colored stripe lines.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to an orthopedic multifunctional distraction measurer.
Background
In the existing total knee joint replacement (TKA) operation, a spreader or an assistant is often needed to hold the lower end of a thigh by bare hands to increase the knee bending gap so as to treat the femoral posterior condylar osteophyte and loosen the posterior joint capsule. The spreader can only spread one side, the contact surface is small, sometimes slippage occurs, and another assistant is often needed to specially hold the spreader; depressed fractures (iatrogenic fractures) often occur in osteoporotic patients; when the assistant holds the lower end of the thigh by bare hands, the elasticity is large, the stability is poor, and the appearance is limited. The spreader does not have the clearance measurement function, relies on clearance measurement ware (spacer) to measure in the art, and the spacer of every producer is that the specification differs, and data span is big, and the inside and outside equals, and most patient inside and outside clearance is unequal, and the art person can only rely on the eye measurement to accomplish, brings difficulty and error in giving the art. The spreader has no supporting force line rod device.
Some of the existing distraction measuring instruments are of a clip type, the distance of a gap is directly measured through the clip, the measuring mode is very inaccurate, the bone of a patient is easily injured, and a doctor needs to judge according to hand feeling during operation; the other method is to adopt a plane structure to directly measure the gap between two planes, but the device used by the method has very complicated structure, large volume and limited space during actual operation, and is very inconvenient because the device cannot be specially provided with a hand-held person.
Disclosure of Invention
In view of the above, to solve the above problems, there is provided an orthopedic multifunctional distraction measurer, including a front distraction portion, a rear distraction portion, and a front-rear connection portion; the front distraction part and the rear distraction part are connected through a front connection part and a rear connection part, and the front connection part and the rear connection part can adjust the distance between the front distraction part and the rear distraction part; the front distraction part and the rear distraction part are respectively provided with two oppositely arranged distraction plates, the two distraction plates of each distraction part are connected through a plate connecting part, and the plate connecting part can adjust the distance between the two distraction plates of each distraction part;
the front and rear connecting parts are provided with adjusting distance measuring barrels which can indicate the distance between the front and rear spreading parts while adjusting the distance between the front and rear spreading parts;
the plate connecting part of each opening part is provided with an inter-plate distance measuring barrel, and the inter-plate distance measuring barrel can indicate the distance between the two opening plates of each opening part while adjusting the distance between the two opening plates.
The front and rear connecting parts comprise a first connecting rod, a second connecting rod and an adjusting ranging barrel, the first connecting rod is connected with the front opening part, and the second connecting rod is connected with the rear opening part; the first connecting rod is coaxially connected with the adjusting ranging barrel, a circle of flange is arranged at the end part of the first connecting rod, and a recess matched with the flange of the first connecting rod is arranged at the position, connected with the end part of the first connecting rod, of the adjusting ranging barrel, so that the first connecting rod and the adjusting ranging barrel can coaxially rotate and the distance is kept unchanged;
the second connecting rod is connected with the adjusting ranging barrel through the coaxial threads, and the thread of the second connecting rod is provided with a distance mark, so that the distance of the second connecting rod moving can be indicated from the edge of the adjusting ranging barrel when the second connecting rod rotates relative to the adjusting ranging barrel.
The front spreading part and the rear spreading part have the same structure and are symmetrically arranged on the two side directions of the adjusting distance measuring barrel; the front opening part is connected with a first connecting rod, and the end part of the first connecting rod is provided with a sliding sleeve, so that the distance measuring barrel between the front plates can rotate in the sliding sleeve;
the front opening part comprises a first opening plate and a second opening plate, and the first opening plate and the second opening plate are connected through a third connecting rod, a fourth connecting rod and a front plate ranging barrel; the edge of the first opening plate is connected with a third connecting rod, and the edge of the second opening plate is connected with a fourth connecting rod;
the third connecting rod is coaxially connected with the distance measuring barrel between the front plates, a circle of flange is arranged at the end part of the third connecting rod, and a recess matched with the flange of the third connecting rod is arranged at the end part of the distance measuring barrel between the front plates, which is connected with the third connecting rod, so that the third connecting rod and the distance measuring barrel between the front plates can coaxially rotate and keep the distance unchanged;
the fourth connecting rod is coaxially in threaded connection with the distance measuring barrel between the front plates, and the distance mark is arranged at the thread of the fourth connecting rod, so that the moving distance of the fourth connecting rod can be indicated from the edge of the distance measuring barrel between the front plates when the fourth connecting rod and the distance measuring barrel between the front plates rotate relatively; a ball head is arranged at the joint of the fourth connecting rod and the second opening plate, so that the fourth connecting rod and the second opening plate are rotatably connected; the third connecting rod is fixedly connected with the first opening plate;
the first opening plate and the second opening plate are respectively provided with four threading buckles; the threading buckles of the first opening plate and the second opening plate are oppositely arranged on the opposite surfaces between the first opening plate and the second opening plate in pairs; the threading buckles on the first opening plate are respectively marked as K11, K12, K13 and K14 from one side to the other side; the threading buckles on the second opening plate are respectively marked as K21, K22, K23 and K24 from one side to the other side; k11 and K21 are oppositely arranged, K12 and K22 are oppositely arranged, K13 and K23 are oppositely arranged, and K14 and K24 are oppositely arranged;
two colored striped lines penetrate through the threading buckle, one colored striped line passes through the threading buckle at the opposite side K22 from the threading buckle at the K12 of the first opening plate, then passes through the adjacent threading buckle at the K21 and then passes through the threading buckle at the K11 to be led out of the free end; another colored stripe thread starts from the K13 threader button of the first spreader panel, passes through the opposite side K23 threader button, then passes through its adjacent K24 threader button, and then passes through the K14 threader button to exit the free end.
The front spreading part and the rear spreading part have the same structure and are symmetrically arranged on the two side directions of the adjusting distance measuring barrel; therefore, the distance between the opening plates of the front opening part and the rear opening part can be independently adjusted, and the distance between the front opening part and the rear opening part can also be adjusted; and when in use, the color stripe lines are tensioned, and whether the first opening plate and the second opening plate are parallel or not can be obtained by comparing the stripes of the two stripe lines between the opening plates.
The invention has the beneficial effects that:
the invention is provided with the distraction measurer with the front distraction part and the rear distraction part, can simultaneously distract the front and rear gaps, does not need to respectively distract and measure the front and rear gaps, and ensures the measurement accuracy; meanwhile, the distance between the front distraction part and the rear distraction part is adjustable, thereby ensuring the universality of the operation and being directly used by various people; one opening plate of each opening part is fixed, and the other opening plate can rotate, so that the opening parts can be more attached to the bone surface during operation, relative rotation can be generated according to the bone surface, and the parallelism measurement is realized by combining the use of the colored stripe lines.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings illustrate the implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and various modes of practicing the same.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the anterior distraction portion of the present invention;
FIG. 3 is a schematic view of the front and rear connection parts of the present invention
Fig. 4 is a schematic view of embodiment 2 of the present invention.
Detailed Description
The advantages, features and methods of accomplishing the same will become apparent from the drawings and the detailed description that follows.
Example 1:
an orthopedic multifunctional distraction measurer comprises a front distraction part 1, a rear distraction part 2 and a front-rear connecting part 3; the front distraction part 1 and the rear distraction part 2 are connected through a front connection part 3 and a rear connection part 3, and the front connection part 3 and the rear connection part 3 can adjust the distance between the front distraction part 1 and the rear distraction part 2; the front opening part 1 and the rear opening part 2 are both provided with two oppositely arranged opening plates, the two opening plates of each opening part are connected through a plate connecting part, and the plate connecting part can adjust the distance between the two opening plates of each opening part;
the front and rear connecting parts 3 are provided with an adjusting distance measuring barrel 33 which can indicate the distance between the front opening part 1 and the rear opening part 2 while adjusting the distance between the front opening part 1 and the rear opening part 2;
the plate connecting part of each opening part is provided with an inter-plate distance measuring barrel, and the inter-plate distance measuring barrel can indicate the distance between the two opening plates of each opening part while adjusting the distance between the two opening plates.
The front and rear connecting parts 3 comprise a first connecting rod 31, a second connecting rod 32 and an adjusting ranging barrel 33, the first connecting rod 31 is connected with the front distraction part 1, and the second connecting rod 32 is connected with the rear distraction part 2; the first connecting rod 31 and the adjusting ranging barrel 33 are coaxially connected, a circle of flange is arranged at the end part of the first connecting rod 31, and a recess matched with the flange of the first connecting rod 31 is arranged at the position, connected with the end part of the first connecting rod 31, of the adjusting ranging barrel 33, so that the first connecting rod 31 and the adjusting ranging barrel 33 can coaxially rotate and the distance is kept unchanged;
the second connecting rod 32 and the adjusting ranging barrel 33 are coaxially and threadedly connected, and a distance mark is arranged at the thread of the second connecting rod 32, so that the distance moved by the second connecting rod 32 can be indicated from the edge of the adjusting ranging barrel 33 when the second connecting rod 32 and the adjusting ranging barrel 33 relatively rotate.
The front opening part 1 and the rear opening part 2 have the same structure and are symmetrically arranged on two sides of the adjusting ranging barrel 33; the front opening part 1 is connected with a first connecting rod 31, and the end part of the first connecting rod 31 is provided with a sliding sleeve 34, so that the distance measuring barrel between the front plates can rotate in the sliding sleeve;
the front opening part 1 comprises a first opening plate 11 and a second opening plate 12, and the first opening plate 11 and the second opening plate 12 are connected through a third connecting rod 13, a fourth connecting rod 14 and a front plate ranging barrel 15; the edge of the first opening plate 11 is connected with a third connecting rod 13, and the edge of the second opening plate 12 is connected with a fourth connecting rod 14;
the third connecting rod 13 is coaxially connected with the distance measuring barrel between the front plates, a circle of flange is arranged at the end part of the third connecting rod 13, and a recess matched with the flange of the third connecting rod 13 is arranged at the end part of the distance measuring barrel between the front plates, which is connected with the third connecting rod 13, so that the third connecting rod 13 and the distance measuring barrel between the front plates can coaxially rotate and keep the distance unchanged;
the fourth connecting rod 14 is coaxially and threadedly connected with the distance measuring barrel between the front plates, and distance marks are arranged at the threads of the fourth connecting rod 14, so that the moving distance of the fourth connecting rod 14 can be indicated from the edge of the distance measuring barrel between the front plates when the fourth connecting rod 14 and the distance measuring barrel between the front plates rotate relatively; the joint of the fourth connecting rod 14 and the second opening plate 12 is provided with a ball head, so that the fourth connecting rod and the second opening plate can be rotatably connected; the third connecting rod 13 is fixedly connected with the first opening plate 11;
the first opening plate 11 and the second opening plate 12 are both provided with four threading buckles; the threading buckles of the first opening plate 11 and the second opening plate 12 are oppositely arranged on the opposite surfaces between the first opening plate 11 and the second opening plate 12 in pairs; the threading buckles on the first opening plate 11 are respectively marked as K11, K12, K13 and K14 from one side to the other side; the threading buckles on the second opening plate 12 are respectively marked as K21, K22, K23 and K24 from one side to the other side; k11 and K21 are oppositely arranged, K12 and K22 are oppositely arranged, K13 and K23 are oppositely arranged, and K14 and K24 are oppositely arranged;
two colored striped lines 16 are threaded on the threading buckle, and one colored striped line 16 passes through the threading buckle at the opposite side K22 from the threading buckle at the K12 of the first opening plate 11, then passes through the adjacent threading buckle at the K21 and then passes through the threading buckle at the K11 to be led out of the free end; another colored stripe line 16 starts from the K13 threader of the first opening panel 11, passes through the opposite side K23 threader, then passes through its adjacent K24 threader, and then passes through the K14 threader to exit the free end.
The front opening part 1 and the rear opening part 2 have the same structure and are symmetrically arranged on two sides of the adjusting ranging barrel 33; therefore, the distance between the opening plates of the front opening part 1 and the rear opening part 2 can be independently adjusted, and the distance between the front opening part 1 and the rear opening part 2 can also be adjusted; when the folding table is used, the colored stripe lines 16 are tensioned, and whether the first opening plate 11 and the second opening plate 12 are parallel or not can be obtained by comparing the stripes of the two stripe lines between the opening plates.
The stripes of the color stripe lines are vertical to the extending direction of the lines and are formed by arranging 2-7 different colors at intervals.
Example 2:
this example describes the method of use of the device.
When the adjustable distance measuring barrel is used, the distance measuring barrel is adjusted according to the distance between the front gap and the rear gap of the knee joint, so that the distance between the front opening part and the rear opening part is the same as the distance between the front gap and the rear gap of the knee joint, and then the distance between the front opening part and the rear opening part can be read out from the adjustable distance measuring barrel;
then the device is arranged at the knee joint in the operation, so that the front distraction part and the rear distraction part are respectively arranged in the front gap and the rear gap of the knee joint; then adjusting the distance between the distraction plates in the front distraction part and the rear distraction part to enable the distraction plates to prop against bones, and then directly obtaining the distance between the front gap and the rear gap of the knee joint according to the reading of the front distraction part and the rear distraction part; the color stripe lines are tensioned while the distance is measured, then whether the stripes of the two outermost color stripe lines are completely consistent with the threading buckling contact points from head to tail is observed, if the inconsistency indicates that the distraction plates are not parallel enough, the bone needs to be further operated to be parallel, and then further measurement is carried out.
When the distance is adjusted, the opening plate is supported to rotate the measuring barrel, so that the distance between the opening plates can be changed, and the operation in the operation is very convenient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. An orthopedic multifunctional distraction measurer comprises a front distraction part (1), a rear distraction part (2) and a front-rear connecting part (3); the front and rear stretching-out device is characterized in that the front stretching-out part (1) and the rear stretching-out part (2) are connected through a front and rear connecting part (3), and the front and rear connecting part (3) can adjust the distance between the front stretching-out part (1) and the rear stretching-out part (2); the front opening part (1) and the rear opening part (2) are both provided with two oppositely arranged opening plates, the two opening plates of each opening part are connected through a plate connecting part, and the plate connecting part can adjust the distance between the two opening plates of each opening part;
the front and rear connecting parts (3) are provided with adjusting distance measuring barrels (33) which can indicate the distance between the front spreading part (1) and the rear spreading part (2) while adjusting the distance between the front spreading part (1) and the rear spreading part (2);
the plate connecting part of each opening part is provided with an inter-plate distance measuring barrel, and the inter-plate distance measuring barrel can indicate the distance between the two opening plates of each opening part while adjusting the distance between the two opening plates.
2. The orthopedic multifunctional distraction measurer of claim 1, wherein:
the front and rear connecting parts (3) comprise a first connecting rod (31), a second connecting rod (32) and an adjusting ranging barrel (33), the first connecting rod (31) is connected with the front opening part (1), and the second connecting rod (32) is connected with the rear opening part (2); the first connecting rod (31) and the adjusting ranging barrel (33) are coaxially connected, a circle of flange is arranged at the end part of the first connecting rod (31), and a recess matched with the flange of the first connecting rod (31) is arranged at the position, connected with the end part of the first connecting rod (31), of the adjusting ranging barrel (33), so that the first connecting rod (31) and the adjusting ranging barrel (33) can coaxially rotate and the distance is kept unchanged;
the second connecting rod (32) and the adjusting ranging barrel (33) are coaxially in threaded connection, and a distance mark is arranged at the thread of the second connecting rod (32), so that the distance of the movement of the second connecting rod (32) can be indicated from the edge of the adjusting ranging barrel (33) when the second connecting rod (32) and the adjusting ranging barrel (33) rotate relatively.
3. The orthopedic multifunctional distraction measurer of claim 2, wherein:
the front spreading part (1) and the rear spreading part (2) have the same structure and are symmetrically arranged on the directions of two sides of the adjusting distance measuring barrel (33); the front expanding part (1) is connected with a first connecting rod (31), and the end part of the first connecting rod (31) is provided with a sliding sleeve (34), so that the distance measuring barrel between the front plates can rotate in the sliding sleeve;
the front opening part (1) comprises a first opening plate (11) and a second opening plate (12), and the first opening plate (11) and the second opening plate (12) are connected through a third connecting rod (13), a fourth connecting rod (14) and a front plate ranging barrel (15); the edge of the first opening plate (11) is connected with a third connecting rod (13), and the edge of the second opening plate (12) is connected with a fourth connecting rod (14);
the third connecting rod (13) is coaxially connected with the distance measuring barrel between the front plates, a circle of flange is arranged at the end part of the third connecting rod (13), and a recess matched with the flange of the third connecting rod (13) is arranged at the end part of the distance measuring barrel between the front plates, which is connected with the third connecting rod (13), so that the third connecting rod (13) and the distance measuring barrel between the front plates can coaxially rotate and keep the distance unchanged;
the fourth connecting rod (14) is coaxially and threadedly connected with the distance measuring barrel between the front plates, and distance marks are arranged at the threads of the fourth connecting rod (14), so that the moving distance of the fourth connecting rod (14) can be indicated from the edge of the distance measuring barrel between the front plates when the fourth connecting rod (14) and the distance measuring barrel between the front plates rotate relatively; a ball head is arranged at the joint of the fourth connecting rod (14) and the second opening plate (12), so that the fourth connecting rod and the second opening plate can be rotatably connected; the third connecting rod (13) is fixedly connected with the first opening plate (11);
the first opening plate (11) and the second opening plate (12) are respectively provided with four threading buckles; the threading buckles of the first opening plate (11) and the second opening plate (12) are oppositely arranged on the opposite surfaces between the first opening plate (11) and the second opening plate (12) in pairs; the threading buckles on the first opening plate (11) are respectively marked as K11, K12, K13 and K14 from one side to the other side; the threading buckles on the second opening plate (12) are respectively marked as K21, K22, K23 and K24 from one side to the other side; k11 and K21 are oppositely arranged, K12 and K22 are oppositely arranged, K13 and K23 are oppositely arranged, and K14 and K24 are oppositely arranged;
two colored striped lines (16) are arranged on the threading buckle in a penetrating way, and one colored striped line (16) passes through the threading buckle at the opposite side K22 from the threading buckle at the K12 of the first opening plate (11), then passes through the adjacent threading buckle at the K21 and then passes through the threading buckle at the K11 to be led out of the free end; another colored stripe (16) starts from the K13 threader of the first opening panel (11), passes through the opposite K23 threader, then passes through its adjacent K24 threader, and then passes through the K14 threader to exit the free end.
4. The orthopedic multifunctional distraction measurer of claim 3, wherein:
the front spreading part (1) and the rear spreading part (2) have the same structure and are symmetrically arranged on the directions of two sides of the adjusting distance measuring barrel (33); therefore, the distance between the opening plates of the front opening part (1) and the rear opening part (2) can be independently adjusted, and the distance between the front opening part (1) and the rear opening part (2) can also be adjusted; when the folding table is used, the colored stripe lines (16) are tensioned, and whether the first opening plate (11) and the second opening plate (12) are parallel or not can be obtained by comparing the stripes of the two stripe lines between the opening plates.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491028.5A CN111714166B (en) | 2020-06-02 | 2020-06-02 | Multi-functional caliber that struts of orthopedics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010491028.5A CN111714166B (en) | 2020-06-02 | 2020-06-02 | Multi-functional caliber that struts of orthopedics |
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| CN111714166A true CN111714166A (en) | 2020-09-29 |
| CN111714166B CN111714166B (en) | 2022-09-27 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999035972A1 (en) * | 1998-01-20 | 1999-07-22 | Sulzer Orthopedics Inc. | Instrument for evaluating balance of knee joint |
| CN200948140Y (en) * | 2006-09-08 | 2007-09-19 | 深圳市福田区中医院 | Means for measuring balance of full knee joint replacing parenchyma |
| CN201299556Y (en) * | 2008-12-03 | 2009-09-02 | 徐辉 | A medial-lateral balance tension measuring device for knee joint |
| CN102906537A (en) * | 2009-11-19 | 2013-01-30 | 加图立大学校产学协力团 | Gap-measuring apparatus for an artificial knee joint |
| CN104367353A (en) * | 2014-11-14 | 2015-02-25 | 付奇伟 | Dilator in total knee arthroplasty |
| WO2017005169A1 (en) * | 2015-07-06 | 2017-01-12 | 微创骨科医疗科技（苏州）有限公司 | Knee joint soft tissue balance measurement device and measurement method thereof |
| CN106667589A (en) * | 2017-01-06 | 2017-05-17 | 重庆市渝北区中医院 | Knee joint distance measurement device |
| CN108309380A (en) * | 2018-03-22 | 2018-07-24 | 中国人民解放军总医院 | A kind of knee space dilator |
-
2020
- 2020-06-02 CN CN202010491028.5A patent/CN111714166B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999035972A1 (en) * | 1998-01-20 | 1999-07-22 | Sulzer Orthopedics Inc. | Instrument for evaluating balance of knee joint |
| CN200948140Y (en) * | 2006-09-08 | 2007-09-19 | 深圳市福田区中医院 | Means for measuring balance of full knee joint replacing parenchyma |
| CN201299556Y (en) * | 2008-12-03 | 2009-09-02 | 徐辉 | A medial-lateral balance tension measuring device for knee joint |
| CN102906537A (en) * | 2009-11-19 | 2013-01-30 | 加图立大学校产学协力团 | Gap-measuring apparatus for an artificial knee joint |
| CN104367353A (en) * | 2014-11-14 | 2015-02-25 | 付奇伟 | Dilator in total knee arthroplasty |
| WO2017005169A1 (en) * | 2015-07-06 | 2017-01-12 | 微创骨科医疗科技（苏州）有限公司 | Knee joint soft tissue balance measurement device and measurement method thereof |
| CN106667589A (en) * | 2017-01-06 | 2017-05-17 | 重庆市渝北区中医院 | Knee joint distance measurement device |
| CN108309380A (en) * | 2018-03-22 | 2018-07-24 | 中国人民解放军总医院 | A kind of knee space dilator |
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| Publication number | Publication date |
|---|---|
| CN111714166B (en) | 2022-09-27 |
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