CN110236554B - Tibia back-and-forth movement measuring device - Google Patents
Tibia back-and-forth movement measuring device Download PDFInfo
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- CN110236554B CN110236554B CN201910655662.5A CN201910655662A CN110236554B CN 110236554 B CN110236554 B CN 110236554B CN 201910655662 A CN201910655662 A CN 201910655662A CN 110236554 B CN110236554 B CN 110236554B
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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
- 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
- A61B5/1075—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions by non-invasive methods, e.g. for determining thickness of tissue layer
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Abstract
The invention relates to the technical field of medical instruments, in particular to a tibia forward-backward movement measuring device, which comprises an instrument frame, a tibia fixer and a patella fixer, wherein the upper ends of two sides of the instrument frame are provided with patella fixer height adjusting buttons, the upper side of a base plane of the instrument frame is provided with a connecting seat, the bottom of the instrument frame is provided with a sliding groove, a patella fixer sliding shaft is arranged in the sliding groove in a penetrating manner, the bottom of the patella fixer sliding shaft is provided with the patella fixer, the base plane of the instrument frame is positioned at the lower side of the connecting seat and is provided with an electronic instrument panel, the integral device measures the displacement of a tibia in the front and back direction of a knee joint ligament injury patient, the accurate result can be measured only by the patient lying flat, one operator can operate the device, the use is convenient, the structure is simple, the, has certain popularization value.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tibia forward-backward movement measuring device.
Background
Ligament injuries to the knee joint are one of the most common disorders of the knee joint. Knee ligament injuries, particularly anterior-posterior cruciate ligament injuries, can cause excessive anterior-posterior movement of the tibia relative to the femur due to ligament rupture. The existing method for measuring the movement of the tibia of a patient relative to the femur comprises a stress position sheet under perspective and a tibia movement measuring instrument imported from abroad, wherein the stress position sheet method has the defects that the stress position sheet method needs to be carried out under perspective, an operator has the risk of radiation, the stress position sheet method is not visual measurement and has higher cost, and a shot perspective sheet needs to be guided into a computer for measurement, so that the time, the labor and the cost are wasted. The second foreign tibial movement measuring instrument has the defects that manual zeroing is needed, the reading is always changed, and the maximum displacement cannot be determined, so that a tibial forward-backward movement measuring device is needed to improve the problems.
Disclosure of Invention
The present invention is directed to a tibia anteroposterior measuring device, which solves the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a tibia forward-backward movement measuring device comprises an instrument frame, a tibia fixer and a patella fixer, wherein patella fixer height adjusting buttons are arranged at the upper ends of two sides of the instrument frame, a connecting seat is arranged on the upper side of a base surface of the instrument frame, a sliding groove is arranged at the bottom of the instrument frame, a patella fixer sliding shaft is arranged in the sliding groove in a penetrating mode and installed on the connecting seat, the patella fixer is installed at the bottom of the patella fixer sliding shaft, an electronic instrument panel is installed on the base surface of the instrument frame, the base surface of the instrument frame is located at the lower side of the connecting seat, tibial forward-backward pushing gears are installed at two ends of the lower side of the electronic instrument panel, a tibial forward-backward pusher is installed at the bottom of the tibial forward-backward pushing gears, tibia fixing belt buckles are installed at two sides of the instrument frame, and the lower end of the bottom of the instrument frame is provided with a tibia fixer.
Preferably, both sides of the sliding shaft of the patella fixator are fixed in the instrument frame through a height adjusting button of the patella fixator.
Preferably, a display screen and a plurality of control buttons are arranged on the electronic instrument panel.
Preferably, the tibia securing buckles are provided in two groups.
Preferably, the bottom of the patella fixator is provided with a fixing groove.
Preferably, the tibia forward-backward pusher is linked with a bottom gear of the electronic instrument panel through a tibia forward-backward pushing gear.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the tibia forward-backward pusher is linked with the bottom gear of the electronic instrument panel through the tibia forward-backward pushing gear, when a patient with knee joint ligament injury is subjected to tibia forward-backward movement measurement, the displacement of the tibia relative to the femur forward-backward movement can be measured only by enabling the patient to adopt a horizontal position, and then pushing the tibia forward or backward or stretching the tibia to the maximum position, and the numerical value is directly displayed through the display screen on the electronic instrument panel, so that an operator can operate the instrument panel conveniently, quickly and accurately.
2. According to the invention, the two sides of the sliding shaft of the patella fixator are fixed in the instrument frame through the height adjusting buttons of the patella fixator, and the height of the patella fixator at the bottom of the sliding shaft of the patella fixator can be adjusted after the height adjusting buttons of the patella fixator are loosened, so that the height of the patella of a patient can be conveniently adjusted to be used, and the patella fixator is simple in structure and convenient to use.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an overall rear view of the present invention;
fig. 3 is an overall side view of the invention.
In the figure: 1-instrument frame, 2-connecting seat, 3-patella fixator sliding shaft, 4-patella fixator height adjusting button, 5-electronic instrument panel, 6-tibia front and back pushing gear, 7-tibia fixing belt buckle, 8-tibia fixator outer button, 9-tibia fixator, 10-sliding groove, 11-patella fixator and 12-tibia front and back pusher.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a shin bone back-and-forth movement measuring device, includes instrument frame 1 and shin bone fixer 9 and patellar fixer 11, its characterized in that: the upper ends of two sides of an instrument frame 1 are provided with patella fixator height adjusting buttons 4, the upper side of a base surface of the instrument frame 1 is provided with a connecting seat 2, the bottom of the instrument frame 1 is provided with a sliding groove 10, the inside of the sliding groove 10 penetrates through the connecting seat 2 to be provided with a patella fixator sliding shaft 3, two sides of the patella fixator sliding shaft 3 are fixed in the instrument frame 1 through the patella fixator height adjusting buttons 4, a patella fixator 11 is arranged at the bottom of the patella fixator sliding shaft 3, two sides of the patella fixator sliding shaft 3 are fixed in the instrument frame 1 through the patella fixator height adjusting buttons 4, the patella fixator 11 at the bottom of the patella fixator sliding shaft 3 can be subjected to height adjustment after the patella fixator height adjusting buttons 4 are loosened, the height adjustment to the height of the patella of a fit patient is convenient, the structure is simple and the use is convenient, the bottom of the patella fixator 11 is provided with a fixing groove, an electronic instrument panel 5 is arranged on the base surface of the instrument frame 1 at the lower side of the connecting seat 2, a display screen and a plurality of control buttons are arranged on the electronic instrument panel 5, tibial front and back pushing gears 6 are arranged at the two ends of the lower side of the electronic instrument panel 5 on the base surface of the instrument frame 1, a tibial front and back pusher 12 is arranged at the bottom of the tibial front and back pushing gear 6 on the bottom of the instrument frame 1, the tibial front and back pusher 12 is linked with a bottom gear of the electronic instrument panel 5 through the tibial front and back pushing gear 6, and the tibial front and back pusher 12 is linked with the bottom gear of the electronic instrument panel 5 through the tibial front and back pushing gear 6, when the tibial front and back movement measurement is carried out on a patient with damaged knee joint ligament, the displacement of the tibia relative to the femur front and back movement can be measured only by, and through the display screen direct display numerical value on the electronic instrument board 5, an operator can operate, it is convenient quick accurate, shin bone fixing band buckle 7 is installed to instrument frame 1's both sides, shin bone fixing band buckle 7 is equipped with two sets ofly altogether, shin bone fixer outer button 8 is installed to instrument frame 1's both sides lower extreme, shin bone fixer 9 is installed to instrument frame 1's bottom lower extreme, the integrated device carries out the measurement of shin bone forward and backward displacement at knee joint ligament damage patient, only need the patient to lie flat and can measure accurate result, an operator can operate, high durability and convenient use, moreover, the steam generator is simple in structure, high measurement accuracy, and stability and practicality are higher, certain spreading value has.
The working process of the invention is as follows: when in use, the height of the patella fixer 11 at the bottom of the sliding shaft 3 of the patella fixer can be adjusted after the height adjusting button 4 of the patella fixer is loosened, the height of the patella of a patient can be conveniently adjusted to be used, the fixing groove is arranged at the bottom of the patella fixer 11 and is well fixed on the patella of the patient, the tibia of the patient is firmly bound by using a tibia bandage and a matched tibia fixing belt buckle 7, a zero control button on an electronic instrument panel 5 of the instrument is pressed to be zero, the tibia is pushed forwards or backwards or stretched to the maximum position, a tibia front and back pusher 12 is linked with a bottom gear of the electronic instrument panel 5 through a tibia front and back pushing gear 6, so that a numerical value is directly displayed on a display screen of the electronic instrument panel 5, the numerical value is the maximum displacement from the zero position to the tibia front and back, and the integral device is used for measuring the tibia front and back displacement of the, the accurate result can be measured only by the patient lying, one operator can operate, and the device is convenient to use, simple in structure, high in measurement accuracy, high in stability and practicability and has certain popularization value.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A tibia anteroposterior movement measuring device comprises an instrument frame (1), a tibia fixer (9) and a patellar fixer (11), and is characterized in that: the instrument frame is characterized in that the upper end of the instrument frame (1) is provided with a patella fixer (11), the lower end of the patella fixer (11) is provided with a tibia fixer (9), the patella fixer (11) is connected with a patella fixer height adjusting button (4), the upper end of the instrument frame (1) is provided with a connecting seat (2) corresponding to the patella fixer height adjusting button (4), a sliding groove (10) is arranged in the instrument frame (1), a patella fixer sliding shaft (3) is arranged in the sliding groove (10) in a penetrating manner and penetrates through the connecting seat (2), the patella fixer sliding shaft (3) is connected with the patella fixer (11) in a penetrating manner, an electronic instrument panel (5) is arranged on the lower side of the connecting seat (2), tibial front and rear pushing gears (6) are arranged at two ends of the lower side of the electronic instrument panel (5), and tibial front and rear pushers, pusher (12) around shin bone promotes gear (6) and the linkage of the bottom gear of electronic instrument board (5) around through the shin bone, shin bone fixing band buckle (7) are installed to the both sides of instrument frame (1), shin bone fixer (9) are installed to the bottom lower extreme of instrument frame (1), shin bone fixer outer button (8) are installed to the lower extreme both sides of instrument frame (1), and shin bone fixer outer button (8) and shin bone fixer (9) link to each other.
2. The tibial anteroposterior measurement device of claim 1, wherein: the two sides of the sliding shaft (3) of the patella fixator are fixed in the instrument frame (1) through a height adjusting button (4) of the patella fixator.
3. The tibial anteroposterior measurement device of claim 1, wherein: and a display screen and a plurality of control buttons are arranged on the electronic instrument panel (5).
4. The tibial anteroposterior measurement device of claim 1, wherein: the tibia fixing belt buckles (7) are provided with two groups.
5. The tibial anteroposterior measurement device of claim 1, wherein: the bottom of the patella fixer (11) is provided with a fixing groove.
6. The method of using the tibial anteroposterior measurement device of claim 1, wherein: after being loosened by a height adjusting button (4) of the patella fixer, the height of the patella fixer (11) at the bottom of a sliding shaft (3) of the patella fixer can be adjusted conveniently to be used for fitting the height of the patella of a patient, a fixing groove at the bottom of the patella fixer (11) is placed on the patella of the patient and fixed well, a tibia strap and a matched tibia fixing belt buckle (7) are used for firmly binding the tibia of the patient, a zero return control button on an electronic instrument panel (5) is pressed to be zero, the tibia is pushed forwards or backwards or stretched to the maximum position, a tibia front and back pusher (12) pushes a gear (6) to be linked with a gear at the bottom of the electronic instrument panel (5) through the tibia front and back, therefore, the numerical value is directly displayed on the display screen of the electronic instrument panel (5), and the numerical value is the maximum displacement from the zero position to the fore-and-aft movement of the tibia.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655662.5A CN110236554B (en) | 2019-07-19 | 2019-07-19 | Tibia back-and-forth movement measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655662.5A CN110236554B (en) | 2019-07-19 | 2019-07-19 | Tibia back-and-forth movement measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110236554A CN110236554A (en) | 2019-09-17 |
| CN110236554B true CN110236554B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910655662.5A Active CN110236554B (en) | 2019-07-19 | 2019-07-19 | Tibia back-and-forth movement measuring device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117158976B (en) * | 2023-11-03 | 2024-01-30 | 北京大学第三医院（北京大学第三临床医学院） | Novel forward looseness measuring instrument for knee joint |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2857576B1 (en) * | 2003-07-16 | 2005-10-14 | Depuy France | ASSISTING DEVICE FOR THE IMPLANTATION OF TOTAL KNEE PROSTHESES |
| EP2110077B1 (en) * | 2008-04-16 | 2012-06-27 | Hermann Mayr | Device and method for knee ligament strain measurement |
| US8197489B2 (en) * | 2008-06-27 | 2012-06-12 | Depuy Products, Inc. | Knee ligament balancer |
| WO2014006360A1 (en) * | 2012-07-04 | 2014-01-09 | Depuy (Ireland) | A measuring instrument for use in orthopaedic surgery |
| CN205126436U (en) * | 2015-10-21 | 2016-04-06 | 冯明光 | Shin bone spin control measuring device in art that fractures futilely |
| CN207870894U (en) * | 2017-04-01 | 2018-09-18 | 中国人民解放军第一五0中心医院 | A kind of knee-joint cross ligament damage measuring device |
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| CN110236554A (en) | 2019-09-17 |
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