CN207816160U - A kind of forearm rotation angle measurement instrument - Google Patents
A kind of forearm rotation angle measurement instrument Download PDFInfo
- Publication number
- CN207816160U CN207816160U CN201820297355.5U CN201820297355U CN207816160U CN 207816160 U CN207816160 U CN 207816160U CN 201820297355 U CN201820297355 U CN 201820297355U CN 207816160 U CN207816160 U CN 207816160U
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- Prior art keywords
- rotation angle
- main body
- measurement instrument
- hole
- forearm rotation
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Abstract
The utility model is related to a kind of forearm rotation angle measurement instrument, are equipped with the flat main body of square, and the center of the main body is equipped with circular through-hole, and the main body wherein one side is equipped with angle mark in the position of through-hole outer rim；The inner wall of the main body is equipped with the orbital groove of annular, the through-hole is internally provided with pointer, described two ends of pointer are respectively provided with a sliding block, two sliding blocks are contained in orbital groove and can be slided in orbital groove so that the pointer can be using the central shaft of through-hole as 360 ° of rotations of axis；The main body is also connected with pedestal.The forearm rotation angle measurement instrument smart structural design of the utility model, patient, which holds pointer rotary bell, can directly read forearm rotation angle value, it can guarantee the accuracy of test data, objective data is provided for clinic, and it is durable, easy to operate, monnolithic case is regular, convenient for orderly placing and storing.
Description
【Technical field】
The utility model is related to the field of medical instrument technology, specifically, being related to a kind of forearm rotation angle measurement instrument.
【Background technology】
Human body forearm is made of soft tissues such as ulna, radius and forearm muscle, and forearm can rotate in a certain range.
Clinically, we by the rotary motion of forearm be decomposed into rotation before and supination, normal adult forearm rotation before, supination angle
It can reach 80-110 ° or so.However, necessarily affect forearm rotation function after ruler, fracture of radius, so, orthopedist often with
Forearm rotation angle judges patient's postoperative function recovery situation.Rotational angle detecting method clinically be patient stand or
Person's seat, both sides upper arm are close to chest both sides respectively, and 90 ° of elbow joint buckling holds one-pen or other substitutes, clenches fist in hand,
Bilateral forearm rotates to before maximum rotation or supinator position, the direction then indicated with objects such as the held pens of patient come comparison be good for side with
The rotation angle of Ipsilateral.The above method assesses forearm rotation function there are apparent error, is unable to quantitative differences, institute in patient's hand
It holds angle shown in pen to be only capable of visually finding out difference, but a specific angle cannot be given.
Patent document CN206372051U, publication date 2017.08.04 disclose a kind of forearm rotation angle measurement device, by
Bottom plate, restraint strap, handle, locating piece, L-shaped axis, bearing block, swing rod, riser, rivet, sliding block pointer, spiral shell mesh, screw, nylon are taken
Button and pressing plate composition, rectangular base plate plane longitudinal direction one end are fixed with velcro restraint strap, and the other end is laterally fixed with arc quarter
The riser of line is spent, graduation mark corresponds to restraint strap, and screw passes through arc-shaped slot to screw in nut and two sliding block pointers are moved cooperation side by side
It is fixed on riser inner plane, sliding block pointer is directed toward graduation mark, and base plate plane middle part is longitudinally spaced to fix two bearing blocks, L-shaped
Riser center lower plane is directed toward in axial length end parallel across bearing block, and vertical pendulum bar is inserted into the vertical vertical slot of L-shaped axial length end end,
The swing rod other end is inserted into the down suction between sliding block, and L-shaped axis short end is inserted in column handle vertically upward, and there are activity in L-shaped axis both sides
Locating piece positions.Although the device can be derived that objective data, its structure is more complex, also needs to extract forearm during use
The locating piece of preceding side is revolved, it is relatively complicated.
Patent document CN205514611U, publication date 2016.08.31 disclose a kind of forearm rotary joint angle measurement
Ruler, including angle measurement disk, measuring arm, connecting rod, angle measurement disk are semicircular structure, and circumferentially surface indicates 0-90 degree
Angle index, the try to get to the heart of a matter center on side of angle measurement are equipped with axis pin, and measuring arm is divided into the first measuring arm and the second measuring arm,
First measuring arm is hinged with axis pin with connecting rod, and the other end of connecting rod is connect with the second measuring arm, the first measuring arm and angle
The angle of Measuring plate datum line is 90 degree, and the first measuring arm is parallel with the second measuring arm, the first measuring arm and the second measuring arm
It is formed by plane and angle measurement disk plane is perpendicular.Although the device uses more convenient, the first measuring arm and second
Measuring arm is connected by connecting rod, and overall structure is irregular, is not easy to store, and since the first measuring arm and the second measuring arm are answered
Being coaxial measure could obtain precise information, thus after being used for a long time meeting because of the connecting portions such as connecting rod loosening or damage and
Causing measurement result, there are deviations.
To sum up, simple in structure clinically there is an urgent need for a kind of easy to use, it convenient for storage and places, and measurement data is accurate, makes
With the forearm rotating angle measurement apparatus of long lifespan.
【Invention content】
The purpose of this utility model be to provide it is a kind of easy to use, it is simple in structure, convenient for storage and place, and measure number
According to accurate, forearm rotation angle measurement instrument with long service life.
To achieve the above object, the technical scheme adopted by the utility model is that：
A kind of forearm rotation angle measurement instrument, is equipped with the flat main body of square, and the center of the main body is equipped with circle
The through-hole of shape, the main body wherein one side are equipped with angle mark in the position of through-hole outer rim；The inner wall of the main body is equipped with
The orbital groove of annular, the through-hole are internally provided with pointer, and described two ends of pointer are respectively provided with a sliding block, two cunnings
Block is contained in orbital groove and can be slided in orbital groove so that the pointer can be using the central shaft of through-hole as axis
360 ° of rotations of line；The main body is also connected with pedestal.
Preferably, the cross section of the orbital groove is arc, and the sliding block is sphere.
Preferably, the cross section of the orbital groove is rectangle, and the sliding block is cylinder.
Preferably, the end of the nearly through-hole central shaft of one of sliding block is equipped with arrow.
Preferably, the vertex of the arrow is placed exactly in the outer peripheral lines of through-hole.
Preferably, the pedestal is rectangular parallelepiped structure, is connected to main body compared on a side of small area.
Preferably, " 0 ° " middle position for being located at main body wherein a line of angle mark and, angle opposite with position base
Mark " 180 ° " opposite with angle mark " 0 ° " position.
Preferably, from angle mark " 0 ° " to the angle mark of angle mark " 180 ° " be followed successively by " 10 ° ", " 20 ° ",
“30°”、“40°”、“50°”、“60°”、“70°”、“80°”、“90°”、“100°”、“110°”、“120°”、“130°”、“140°”、
“150°”、“160°”、“170°”。
Preferably, a length of 18cm of the body edge, thickness 0.5cm.
Preferably, the through-hole diameter is 15cm.
The utility model advantage is：
1, the forearm rotation angle measurement instrument smart structural design of the utility model, it is circular by being arranged in body interior
Through-hole, the orbital groove of main body inner wall setting annular, the interior setting both ends of through-hole carry the pointer of sliding block, and slider containment is recessed in track
In slot, thus hand-holdable pointer rotary bell, and then measured forearm rotation angle value is directly read by angle mark, it reaches
Accurate measurement people forearm rotary motion range size has been arrived, the purpose of objective data is provided for clinic；
2, the forearm rotation angle measurement instrument of the utility model uses very convenient, and patient holds pointer, is not present
Fixing arm splits the additional operations such as component, convenient and efficient；
3, the measurement of angle only relates to pointer this component, and centre does not contain other connecting components, therefore can be accurate
Instruction measures the number of degrees, ensures the accuracy of test data, durable；
4, the shape design of sliding block can utmostly ensure the fluency of indicators turn；
5, the design of arrow is more convenient for the accurate reading numerical values of doctor；
6, pedestal facilitates orderly placement of the forearm rotation angle measurement instrument of the utility model under non-working condition, can
The clean and tidy of work top is kept, the probability that the forearm rotation angle measurement instrument of the utility model collides with, falls is also avoided.
【Description of the drawings】
Attached drawing 1 is the forearm rotation angle measurement instrument structural schematic diagram of embodiment 1.
Attached drawing 2 is the A-A sectional views of Fig. 1.
Attached drawing 3 is the forearm rotation angle measurement instrument structural schematic diagram of embodiment 2.
Attached drawing 4 is the A-A sectional views of Fig. 3.
【Specific implementation mode】
It is further described with reference to embodiment and with reference to attached drawing to the utility model.
Reference numeral and component part involved in attached drawing is as follows：
1. 2. through-hole of main body
3. 4. orbital groove of angle mark
5. 6. sliding block of pointer
7. 8. pedestal of arrow
Embodiment 1
Fig. 1 is referred to, Fig. 1 is the forearm rotation angle measurement instrument structural schematic diagram of embodiment 1.The forearm rotation angle
It spends measuring instrument and is equipped with main body 1, the main body 1 is square flat structure, length of side 18cm, thickness 0.5cm.Described
1 center of main body is set there are one circular through-hole 2,2 a diameter of 15cm of through-hole.The main body 1 wherein one side is in through-hole 2
The position of outer rim is equipped with angle mark 3, " 0 ° " middle position for being located at the wherein a line of main body 1 of angle mark, angle mark
" 180 ° " are opposite with angle mark " 0 ° " position, and the angle mark from angle mark " 0 ° " to angle mark " 180 ° " is followed successively by
“10°”、“20°”、“30°”、“40°”、“50°”、“60°”、“70°”、“80°”、“90°”、“100°”、“110°”、“120°”、
" 130 ° ", " 140 ° ", " 150 ° ", " 160 ° ", " 170 ° ", minimum scale value are 1 °.
Combine again referring to Fig. 2, Fig. 2 be Fig. 1 A-A sectional views.The inner wall (i.e. the periphery of through-hole) of the main body 1 is equipped with
The orbital groove 4 of annular, the orbital groove 4 surround through-hole one week, and the cross section of orbital groove 4 is circle.Described is logical
Hole 2 is internally provided with a root pointer 5, and described 5 two ends of pointer are respectively provided with a sliding block 6, and the sliding block 6 is sphere.Two
A sliding block 6 is contained in orbital groove 4 and can be slided in orbital groove 4 so that the pointer 5 can be with through-hole 2
Central shaft is 360 ° of rotations of axis.The end of the nearly through-hole central shaft of one of sliding block 6 is equipped with arrow 7.The master
Body 1 is also connected with pedestal 8, and the pedestal 8 is rectangular parallelepiped structure, is connected to main body 1 compared on a side of small area, and and angle
Scale designation " 0 ° " position is opposite.
It should be noted that the forearm rotation angle measurement instrument smart structural design of the utility model, by main body 1
Circular through-hole 2 is arranged in portion, and the orbital groove 4 of annular is arranged in 1 inner wall of main body, then at the interior setting both ends of through-hole 2 with sliding block 6
Pointer 5, sliding block 6 are contained in orbital groove 4, therefore 5 rotary bell of hand-holdable pointer, and then are directly read by angle mark 3
Go out measured forearm rotation angle value, reaches accurate measurement people forearm rotary motion range size, it is objective to be provided for clinic
The purpose of data.For the forearm rotation angle measurement instrument of the utility model using very convenient, patient holds pointer 5, does not deposit
In fixing arm, the additional operations such as component are split, it is convenient and efficient；And since the measurement of angle only relates to this portion of pointer 5
Part, centre do not contain other connecting components, therefore can accurately indicate to measure the number of degrees, ensure the accuracy of test data, prolonged
It is durable.The sliding block 6 is sphere, can utmostly ensure the fluency that pointer 5 rotates.The arrow 7 is more convenient for
The accurate reading numerical values of doctor, and the vertex of preferably arrow 7 is placed exactly in the outer peripheral lines of through-hole 2.The angle mark 3
Setting can minimum scale value be set according to measurement request.The main body 1 is square flat structure, the pedestal
8 be rectangular parallelepiped structure, and overall structure is regular, convenient for storage.The pedestal 8 facilitates the forearm rotation angle of the utility model
Orderly placement of the measuring instrument under non-working condition, can keep the clean and tidy of work top, also avoid the forearm of the utility model
The probability that rotation angle measurement instrument collides with, falls.
The application method of the forearm rotation angle measurement instrument of the utility model is：When carrying out forearm rotation angle measurement, enable
Patient stand or seat, both sides upper arm are close to chest both sides, 90 ° of elbow joint buckling respectively, and hand holds pointer 5, bilateral forearm
It rotates to maximum and revolves preceding or supinator position, pointer 5 can relatively rotate with main body 1 at this time, and actually pointer 5 is revolved
Turn, due to the sliding in orbital groove 4 of sliding block 6, practical do not rotate of the main body 1 remains in origin-location, at this time
The value of angle mark 3 indicated by arrow 7 is patient forearm's rotation angle value, is directly read, and data are recorded.Make
With finishing, pedestal 8 is placed on detection workbench.The forearm rotation angle measurement instrument measurement data of the utility model is accurate
Really, durable, easy to operate, doctor can directly read measurement result, and overall structure is regular, convenient for storage and place.
Embodiment 2
Fig. 3 is referred to, Fig. 3 is the forearm rotation angle measurement instrument structural schematic diagram of embodiment 2.The forearm rotation angle
It spends measuring instrument and is equipped with main body 1, the main body 1 is square flat structure, length of side 18cm, thickness 0.5cm.Described
1 center of main body is set there are one circular through-hole 2,2 a diameter of 15cm of through-hole.The main body 1 wherein one side is in through-hole 2
The position of outer rim is equipped with angle mark 3, " 0 ° " middle position for being located at the wherein a line of main body 1 of angle mark, angle mark
" 180 ° " are opposite with angle mark " 0 ° " position, and the angle mark from angle mark " 0 ° " to angle mark " 180 ° " is followed successively by
“10°”、“20°”、“30°”、“40°”、“50°”、“60°”、“70°”、“80°”、“90°”、“100°”、“110°”、“120°”、
" 130 ° ", " 140 ° ", " 150 ° ", " 160 ° ", " 170 ° ", minimum scale value are 1 °.
Combine again referring to Fig. 4, Fig. 4 be Fig. 3 A-A sectional views.The inner wall (i.e. the periphery of through-hole) of the main body 1 is equipped with
The orbital groove 4 of annular, the orbital groove 4 surround through-hole one week, and the cross section of orbital groove 4 is rectangle.Described
Through-hole 2 is internally provided with a root pointer 5, and described 5 two ends of pointer are respectively provided with a sliding block 6, and the sliding block 6 is cylinder
Body.Two sliding blocks 6 are contained in orbital groove 4 and can be slided in orbital groove 4 so that the pointer 5 can be with logical
The central shaft in hole 2 is 360 ° of rotations of axis.The end of the nearly through-hole central shaft of one of sliding block 6 is equipped with arrow 7.It is described
Main body 1 be also connected with pedestal 8, the pedestal 8 is rectangular parallelepiped structure, is connected to main body 1 compared on a side of small area, and
It is opposite with angle mark " 0 ° " position.
In the present embodiment, the cross section of the orbital groove 4 is rectangle, and the sliding block 6 is cylinder, can also
Ensure the relatively steady smooth sliding in orbital groove 4 of sliding block 6.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvement and supplement without departing from the principle of this utility model, these are improved and supplement
Also it should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of forearm rotation angle measurement instrument, which is characterized in that the flat main body of square is equipped with, in the main body
Centre is equipped with circular through-hole, and the main body wherein one side is equipped with angle mark in the position of through-hole outer rim；The main body
Inner wall is equipped with the orbital groove of annular, and the through-hole is internally provided with pointer, and described two ends of pointer are respectively provided with a cunning
Block, two sliding blocks are contained in orbital groove and can be slided in orbital groove so that the pointer can be with through-hole
Central shaft is 360 ° of rotations of axis；The main body is also connected with pedestal.
2. forearm rotation angle measurement instrument according to claim 1, which is characterized in that the cross section of the orbital groove
For arc, the sliding block is sphere.
3. forearm rotation angle measurement instrument according to claim 1, which is characterized in that the cross section of the orbital groove
For rectangle, the sliding block is cylinder.
4. forearm rotation angle measurement instrument according to claim 1, which is characterized in that in the nearly through-hole of one of sliding block
The end of mandrel is equipped with arrow.
5. forearm rotation angle measurement instrument according to claim 4, which is characterized in that the vertex of the arrow is just
It is located in the outer peripheral lines of through-hole well.
6. forearm rotation angle measurement instrument according to claim 1, which is characterized in that the pedestal is cuboid knot
Structure is connected to main body compared on a side of small area.
7. forearm rotation angle measurement instrument according to claim 6, which is characterized in that " 0 ° " of angle mark be located at main body its
The middle position of middle a line and opposite with position base, angle mark " 180 ° " is opposite with angle mark " 0 ° " position.
8. forearm rotation angle measurement instrument according to claim 7, which is characterized in that from angle mark " 0 ° " to angle mark
Note " 180 ° " angle mark be followed successively by " 10 ° ", " 20 ° ", " 30 ° ", " 40 ° ", " 50 ° ", " 60 ° ", " 70 ° ", " 80 ° ",
“90°”、“100°”、“110°”、“120°”、“130°”、“140°”、“150°”、“160°”、“170°”。
9. forearm rotation angle measurement instrument according to claim 1, which is characterized in that a length of 18cm of the body edge,
Thickness is 0.5cm.
10. forearm rotation angle measurement instrument according to claim 1, which is characterized in that the through-hole diameter is 15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297355.5U CN207816160U (en) | 2018-03-02 | 2018-03-02 | A kind of forearm rotation angle measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297355.5U CN207816160U (en) | 2018-03-02 | 2018-03-02 | A kind of forearm rotation angle measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816160U true CN207816160U (en) | 2018-09-04 |
Family
ID=63320353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820297355.5U Expired - Fee Related CN207816160U (en) | 2018-03-02 | 2018-03-02 | A kind of forearm rotation angle measurement instrument |
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| CN (1) | CN207816160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770939A (en) * | 2019-03-20 | 2019-05-21 | 刘静 | A kind of swivel of hand auxiliary device and rotation angle accuracy control method |
| CN111166344A (en) * | 2020-02-10 | 2020-05-19 | 南通大学 | Instrument for measuring recovery degree of distal radius fracture and using method thereof |
| CN114485566A (en) * | 2022-01-21 | 2022-05-13 | 中国人民解放军总医院第四医学中心 | Anteversion angle measuring apparatu |
-
2018
- 2018-03-02 CN CN201820297355.5U patent/CN207816160U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109770939A (en) * | 2019-03-20 | 2019-05-21 | 刘静 | A kind of swivel of hand auxiliary device and rotation angle accuracy control method |
| CN111166344A (en) * | 2020-02-10 | 2020-05-19 | 南通大学 | Instrument for measuring recovery degree of distal radius fracture and using method thereof |
| CN114485566A (en) * | 2022-01-21 | 2022-05-13 | 中国人民解放军总医院第四医学中心 | Anteversion angle measuring apparatu |
| CN114485566B (en) * | 2022-01-21 | 2023-03-24 | 中国人民解放军总医院第四医学中心 | Anteversion angle measuring apparatu |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20210302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |