CN204306826U - A kind of measuring device - Google Patents
A kind of measuring device Download PDFInfo
- Publication number
- CN204306826U CN204306826U CN201420626040.2U CN201420626040U CN204306826U CN 204306826 U CN204306826 U CN 204306826U CN 201420626040 U CN201420626040 U CN 201420626040U CN 204306826 U CN204306826 U CN 204306826U
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- China
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- section
- keeper
- eccentric throw
- linear measure
- measure longimetry
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Abstract
This utility model provides a kind of measuring device, comprise dip stick, described dip stick comprises for the linear measure longimetry section of measure portion limbs length and the eccentric throw measuring section for measuring eccentric throw length, described linear measure longimetry section is vertically fixedly connected with described eccentric throw measuring section, and described linear measure longimetry section and described eccentric throw measuring section are equipped with length scale value; And be movably vertically fixed on the first keeper on described linear measure longimetry section and described eccentric throw measuring section and the second keeper respectively by connector.Measuring device of the present utility model can the prolongation numerical value of Measurement accuracy limbs of patient length and eccentric throw, convenient succinct, can directly for doctor provides reference, thus help patient to recover the isometric and normal eccentric throw of pair lower limb.
Description
Technical field
This utility model relates to a kind of measuring device, belongs to the medical apparatus and instruments technical field measuring eccentric throw and Study On Extremity Lengthening.
Background technology
In artificial total hip arthroplasty, recover the two lower limb of patient isometric, recover the normal eccentric throw of patient, can significantly reduce prosthese load, improve patients ' life quality.In art, recover the normal eccentric throw of patient, contribute to patient and recover normal abduction muscular strength as early as possible, reduce prosthese mechanical loading simultaneously, reduce prosthetic loosening rate at a specified future date.
If recover the isometric and normal eccentric throw of the two lower limb of patient, so to corrective surgery lower limb length relative to the prolongation amount of normal lower limb length and to carry out Measurement accuracy to corrective surgery lower limb eccentric throw respectively relative to the prolongation amount of normal lower limb eccentric throw be an important prerequisite.That is, if first Measurement accuracy can be carried out to the limbs length of the normal lower limb of patient and eccentric throw in the preoperative, then Measurement accuracy can be carried out to the operation limbs length of lower limb and eccentric throw again in art, so by the relatively normal accurate prolongation amount of lower limb length of operation lower limb and the accurate prolongation amount of eccentric throw relatively just can be drawn, so patient is implanted with regard to being selected suitable prosthese (as increased the length etc. of femoral prosthesis neck length or femoral head prosthesis) by adjustment, thus make operation lower limb and normal lower limb have identical limbs length and eccentric throw.
But still not having corresponding operating theater instruments can complete the Measurement accuracy of limbs length and eccentric throw at present simultaneously, in prior art, for the prolongation amount of operating limb relative to normal limb length, mostly adopt the way of leg-leg to judge, measurement error is large; For the prolongation amount of corrective surgery limbs eccentric throw relative to normal limb eccentric throw, be the micro-judgment relying on doctor substantially, accuracy rate is low.
Utility model content
Therefore, the purpose of this utility model be to provide a kind of can at the measuring device of Measurement accuracy limbs of patient length and eccentric throw extending length.
For this reason, this utility model provides a kind of measuring device, comprise dip stick, described dip stick comprises for the linear measure longimetry section of measure portion limbs length and the eccentric throw measuring section for measuring eccentric throw length, described linear measure longimetry section is vertically fixedly connected with described eccentric throw measuring section, and described linear measure longimetry section and described eccentric throw measuring section are equipped with length scale value; And be movably vertically fixed on the first keeper on described linear measure longimetry section and described eccentric throw measuring section and the second keeper respectively by connector.
Described first keeper and described second keeper are the positioning needle with length scale value.
Be located at length scale value on described first keeper using the either end of described first keeper as start index value setting position; Be located at length scale value on described second keeper using the either end of described second keeper as start index value setting position.
Be located at length scale value in described linear measure longimetry section using the either end of described linear measure longimetry section as start index value setting position; Be located at length scale value on described eccentric throw measuring section using the either end of described eccentric throw measuring section as start index value setting position.
Be located at described linear measure longimetry section and be connected partly center as start index value setting position using described linear measure longimetry section with described eccentric throw measuring section with the length scale value on described eccentric throw measuring section.
Described dip stick is L-type dip stick.
Described connector comprises main part, described main part is provided with first perforation of passing for described linear measure longimetry section or described eccentric throw measuring section, to bore a hole the first screwed hole be communicated with described first, and described first screwed hole can be screwed in by threaded engagement and be extruded through the described linear measure longimetry section of described first perforation or described eccentric throw measuring section, thus described main part is fixed on the first bolt on described linear measure longimetry section or described eccentric throw measuring section.
Described connector also comprises second perforation of passing for described first keeper or described second keeper, to bore a hole the second screwed hole be communicated with described second, and described second screwed hole can be screwed in by threaded engagement and be extruded through described biperforate described first keeper or described second keeper, thus described first keeper or described second keeper are fixed on the first bolt on described fixed part.
Described first perforation is mutually vertical with described biperforate axis.
Described first perforation is not communicated with described second perforation.
A kind of measuring device of the present utility model has the following advantages:
1. measuring device of the present utility model, use in the preoperative, use measuring device of the present utility model, specify operating limb relative to the limbs length prolongation amount of normal limb and eccentric throw extension amount, for doctor's operation provides reference, and in art, adopt same measuring method to measure, to ensure that the limbs length of operating limb and normal limb is equal equal with eccentric throw length.First by linear measure longimetry section and eccentric throw measuring section horizontal positioned, the first keeper is adjusted and the second keeper makes it vertically arrange by connector, then the first keeper and the position of the second keeper respectively in linear measure longimetry section and eccentric throw measuring section is adjusted, the bottom of the first keeper and the second keeper is made to be separately fixed at the femoral greater trochanter position of normal femur and the acetabular bone upper limb position of normal acetabular bone, read the length value in linear measure longimetry section and the length value on eccentric throw measuring section, then make to use the same method, the first keeper and the second keeper is adjusted by connector, make the acetabular bone upper limb position of its femoral greater trochanter position being separately fixed at operation femur and operation acetabular bone, read the length value in linear measure longimetry section and the length value on eccentric throw measuring section respectively, by the numerical value comparing in linear measure longimetry section and eccentric throw measuring section records for twice, accurately can show that operating limb is relative to the limbs length prolongation amount of normal limb and eccentric throw extension amount, thus for doctor provides reference in art, be convenient to take measures, adjustment operating limb and normal limb is isometric isometric with eccentric throw.
2. measuring device of the present utility model, first keeper and the second keeper are set and are positioning needle with length scale value, when measuring limbs length and the eccentric throw length value of normal limb, by the positioning needle with length scale value, the height value of femoral greater trochanter position distance length measuring section of normal femur and the acetabular bone rising wood distance of positions of the normal acetabular bone height value from eccentric throw measuring section can be recorded simultaneously; When measuring limbs length and the eccentric throw length value of operating limb, by the positioning needle with length scale value, the height value of femoral greater trochanter position distance length measuring section of operation femur and the height value of the acetabular bone rising wood distance of positions of operation acetabular bone from eccentric throw measuring section can be recorded simultaneously; Keep the height number of the second keeper consistent when measuring for twice, the height difference then recorded for twice on the first keeper, be the accurate extending length value of operation femur at positioning needle axial direction, for doctor provides reference in art, be convenient to take measures, adjustment operating limb is consistent with normal limb, thus is conducive to patient and at utmost recovers healthy.
3. measuring device of the present utility model, length scale value on first keeper is set using the either end of the first keeper as start index value setting position, length scale value on second keeper is using the either end of the second keeper as start index value setting position, the first keeper and the second keeper all can be facilitated to read height number, and be convenient to computed altitude difference.
4. measuring device of the present utility model, length scale value in linear measure longimetry section is set using the either end of linear measure longimetry section as start index value setting position, length scale value on eccentric throw measuring section is using the either end of eccentric throw measuring section as start index value setting position, linear measure longimetry section and eccentric throw measuring section all can be facilitated to read limbs length numerical value and eccentric throw length value, and be convenient to computational length numerical difference.
5. measuring device of the present utility model, linear measure longimetry section is set and is connected partly center as start index value setting position using linear measure longimetry section with eccentric throw measuring section with the length scale value on eccentric throw measuring section, it is a kind of preferred set-up mode, conveniently can read limbs length and eccentric throw length value, facilitate computational length numerical difference.
6. measuring device of the present utility model, arranging dip stick is L-type dip stick, and linear measure longimetry section makes dip stick more sturdy and durable together with being molded over eccentric throw measuring section, and angle torsional deflection can not occur, and precision is high, and accuracy is good.
7. measuring device of the present utility model, the above-mentioned of connector is arranged so that the convenient levelling position of main part in linear measure longimetry section or eccentric throw measuring section, be convenient to adjustment first keeper or the second keeper and be fixed on position on main part, and convenient fixing, succinctly easy-to-use.
8. measuring device of the present utility model, the axis arranging the first perforation is vertical with biperforate axis, when measuring, the level of linear measure longimetry section and the vertical of the first keeper can be ensured, or the level of eccentric throw measuring section and the second keeper is vertical simultaneously.
9. measuring device of the present utility model, arranges the first perforation and the second perforation is not communicated with, and can increase the fastness of main part, wear-resistant, and can extension device service life.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of measuring device in embodiment 1.
Fig. 2 is the structure enlarged diagram of part A in Fig. 1.
Fig. 3 is the detonation configuration schematic diagram of Fig. 1.
Fig. 4 is the structure enlarged diagram of part B in Fig. 3.
In figure, Reference numeral is expressed as: 1-dip stick, 2-linear measure longimetry section, 21-first keeper, 3-eccentric throw measuring section, 31-second keeper, 4-main part, 41-first bores a hole, 42-first screwed hole, 43-first bolt, 51-second bores a hole, 52-second screwed hole, 53-second bolt.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of measuring device that this utility model provides is described in further detail.
Embodiment 1
The present embodiment provides a kind of measuring device, as Figure 1-4, comprise dip stick 1, described dip stick 1 comprises for the linear measure longimetry section 2 of measure portion limbs length and the eccentric throw measuring section 3 for measuring eccentric throw length, described linear measure longimetry section 2 is vertically fixedly connected with described eccentric throw measuring section 3, and described linear measure longimetry section 2 and described eccentric throw measuring section 3 are equipped with length scale value; And the first keeper 21 and the second keeper 31 be movably vertically fixed on respectively by connector on described linear measure longimetry section 2 and described eccentric throw measuring section 3.
Use in the preoperative, use measuring device of the present utility model, specify operating limb relative to the limbs length prolongation amount of normal limb and eccentric throw extension amount, for doctor's operation provides reference, and in art, adopt same measuring method to measure, to ensure that the limbs length of operating limb and normal limb is equal equal with eccentric throw length.
When measuring operating limb relative to the limbs length prolongation amount of normal limb and eccentric throw extension amount, first by linear measure longimetry section 2 and eccentric throw measuring section 3 horizontal positioned, the first keeper 21 is adjusted and the second keeper 31 makes it vertically arrange by connector, then the first keeper 21 and the position of the second keeper 31 respectively in linear measure longimetry section 2 and eccentric throw measuring section 3 is adjusted, the bottom of the first keeper 21 and the second keeper 31 is made to be separately fixed at the femoral greater trochanter position of normal femur and the acetabular bone upper limb position of normal acetabular bone, read the length value in linear measure longimetry section 2 and the length value on eccentric throw measuring section 3, then make to use the same method, the first keeper 21 and the second keeper 31 is adjusted by connector, make the acetabular bone upper limb position of its femoral greater trochanter position being separately fixed at operation femur and operation acetabular bone, read the length value in linear measure longimetry section 2 and the length value on eccentric throw measuring section 3 respectively, by the numerical value comparing respectively in linear measure longimetry section 2 and eccentric throw measuring section 3 records for twice, accurately can show that operating limb is relative to the limbs length prolongation amount of normal limb and eccentric throw extension amount, thus for doctor provides reference in art, be convenient to take measures, adjustment operating limb and normal limb is isometric isometric with eccentric throw.
In the present embodiment, the first keeper 21 and the second keeper 31 are location Kirschner wire, and dip stick 1 is L-type dip stick.Be located at described linear measure longimetry section 2 and be connected partly center as start index value setting position using described linear measure longimetry section 2 with described eccentric throw measuring section 3 with the length scale value on described eccentric throw measuring section 3.
As one distortion, the length scale value be located in described linear measure longimetry section 2 can also using the either end of described linear measure longimetry section 2 as start index value setting position; The length scale value be located on described eccentric throw measuring section 3 can also using the either end of described eccentric throw measuring section 3 as start index value setting position.
Described connector comprises main part 4, described main part 4 is provided with first perforation 41 of passing for described linear measure longimetry section 2 or described eccentric throw measuring section 3, to bore a hole 41 the first screwed holes 42 be communicated with described first, and described first screwed hole 42 can be screwed in by threaded engagement and be extruded through the described linear measure longimetry section 2 of described first perforation 41 or described eccentric throw measuring section 3, thus described main part 4 is fixed on the first bolt 43 on described linear measure longimetry section 2 or described eccentric throw measuring section 3.
Described connector also comprises second perforation 51 of passing for described first keeper 21 or described second keeper 31, to bore a hole 51 the second screwed holes 52 be communicated with described second, and described second screwed hole 52 can be screwed in by threaded engagement and be extruded through described first keeper 21 of described second perforation 51 or described second keeper 31, thus described first keeper 21 or described second keeper 31 are fixed on the second bolt 53 on described fixed part 4.
Described first perforation 41 is axially mutually vertical with described second perforation 51.
Described first perforation 41 is not communicated with described second perforation 51.
Embodiment 2
The present embodiment provides a kind of measuring device, and it is the improvement on embodiment 1 basis, and difference is: arrange described first keeper 21 and described second keeper 31 and be positioning needle with length scale value.
First keeper 21 and the second keeper 31 are set and are positioning needle with length scale value, when measuring limbs length and the eccentric throw length value of normal limb, by the positioning needle with length scale value, the height value of femoral greater trochanter position distance length measuring section 2 of normal femur and the acetabular bone rising wood distance of positions of the normal acetabular bone height value from eccentric throw measuring section 3 can be recorded simultaneously; When measuring limbs length and the eccentric throw length value of operating limb, by the positioning needle with length scale value, the height value of femoral greater trochanter position distance length measuring section 2 of operation femur and the height value of the acetabular bone rising wood distance of positions of operation acetabular bone from eccentric throw measuring section 3 can be recorded simultaneously; Keep the height number of the second keeper 31 consistent when measuring for twice, the height difference then recorded for twice on the first keeper 21, be the accurate extending length value of operation femur at positioning needle axial direction, for doctor provides reference in art, be convenient to take measures, adjustment operating limb is consistent with normal limb, thus is conducive to patient and at utmost recovers healthy.
In the present embodiment, length scale value on described first keeper 21 is located at using the top of described first keeper 21 as start index value setting position; Be located at length scale value on described second keeper 31 using the top of described second keeper 31 as start index value setting position.
As one distortion, the length scale value be located on described first keeper 21 can using the either end of described first keeper 21 as start index value setting position; Be located at length scale value on described second keeper 31 using the either end of described second keeper 31 as start index value setting position.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. a measuring device, it is characterized in that: comprise dip stick (1), described dip stick (1) comprises for the linear measure longimetry section (2) of measure portion limbs length and the eccentric throw measuring section (3) for measuring eccentric throw length, described linear measure longimetry section (2) is vertically fixedly connected with described eccentric throw measuring section (3), and described linear measure longimetry section (2) and described eccentric throw measuring section (3) are equipped with length scale value; And be movably vertically fixed on the first keeper (21) on described linear measure longimetry section (2) and described eccentric throw measuring section (3) and the second keeper (31) respectively by connector.
2. measuring device according to claim 1, is characterized in that: described first keeper (21) and described second keeper (31) are the positioning needle with length scale value.
3. measuring device according to claim 2, is characterized in that: be located at length scale value on described first keeper (21) using the either end of described first keeper (21) as start index value setting position; Be located at length scale value on described second keeper (31) using the either end of described second keeper (31) as start index value setting position.
4. measuring device according to claim 3, is characterized in that: be located at length scale value on described linear measure longimetry section (2) using the either end of described linear measure longimetry section (2) as start index value setting position; Be located at length scale value on described eccentric throw measuring section (3) using the either end of described eccentric throw measuring section (3) as start index value setting position.
5. measuring device according to claim 4, is characterized in that: be located at described linear measure longimetry section (2) and be connected partly center as start index value setting position using described linear measure longimetry section (2) with described eccentric throw measuring section (3) with the length scale value on described eccentric throw measuring section (3).
6. measuring device according to claim 5, is characterized in that: described dip stick is L-type dip stick.
7. the measuring device according to any one of claim 1-6, it is characterized in that: described connector comprises main part (4), described main part (4) is provided with first perforation (41) of passing for described linear measure longimetry section (2) or described eccentric throw measuring section (3), to bore a hole with described first the first screwed hole (42) that (41) be communicated with, and can screw in by threaded engagement described linear measure longimetry section (2) or the described eccentric throw measuring section (3) that described first screwed hole (42) is extruded through described first perforation (41), thus the first bolt (43) described main part (4) is fixed on described linear measure longimetry section (2) or described eccentric throw measuring section (3).
8. measuring device according to claim 7, it is characterized in that: described connector also comprises second perforation (51) of passing for described first keeper (21) or described second keeper (31), to bore a hole with described second the second screwed hole (52) that (51) be communicated with, and can screw in by threaded engagement described first keeper (21) or described second keeper (31) that described second screwed hole (52) is extruded through described second perforation (51), thus the second bolt (53) described first keeper (21) or described second keeper (31) are fixed on described fixed part (4).
9. measuring device according to claim 8, is characterized in that: described first perforation (41) is axially mutually vertical with described second perforation (51).
10. measuring device according to claim 9, is characterized in that: described first perforation (41) is not communicated with described second perforation (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420626040.2U CN204306826U (en) | 2013-10-24 | 2014-10-24 | A kind of measuring device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013105197740 | 2013-10-24 | ||
| CN201310519774 | 2013-10-24 | ||
| CN201420626040.2U CN204306826U (en) | 2013-10-24 | 2014-10-24 | A kind of measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204306826U true CN204306826U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420626040.2U Expired - Fee Related CN204306826U (en) | 2013-10-24 | 2014-10-24 | A kind of measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204306826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567510A (en) * | 2018-05-17 | 2018-09-25 | 西南医科大学附属医院 | Leg length measuring instrument in replacement of total hip |
-
2014
- 2014-10-24 CN CN201420626040.2U patent/CN204306826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567510A (en) * | 2018-05-17 | 2018-09-25 | 西南医科大学附属医院 | Leg length measuring instrument in replacement of total hip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |