CN210185582U - Device for measuring intervertebral space length in operation - Google Patents
Device for measuring intervertebral space length in operation Download PDFInfo
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- CN210185582U CN210185582U CN201822073839.4U CN201822073839U CN210185582U CN 210185582 U CN210185582 U CN 210185582U CN 201822073839 U CN201822073839 U CN 201822073839U CN 210185582 U CN210185582 U CN 210185582U
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Abstract
The utility model discloses a device for measuring the lumbar intervertebral space length in the operation, which comprises a measuring device body with a bullet-shaped outer contour, wherein the measuring device body comprises a positioning rod and measuring rods symmetrically arranged at the two sides of the positioning rod; the outside cover of foretell measuring stick is equipped with the measurement sleeve, and this measurement sleeve is the hollow tube that has L shape elbow, and this measuring stick can remove in the measurement sleeve, and the both ends of measuring stick all stretch out to the outside of measuring the sleeve. The utility model provides a measure device of intervertebral space length in art because its body is the mobile mechanism of strip, and both sides have the measuring sleeve that the symmetry set up, can effectively firmly come out the intervertebral space length measurement of human lumbar vertebrae, and the product measurement size scope is great, and the back no side effect of operation can effectively solve because of the puzzlement problem that can't measure intervertebral space and cause unable selection interbody fusion cage.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a device of intraoperative measurement intervertebral space length.
Background
Lumbar spondylosis is the most common disease in orthopedics outpatient service, and is especially caused by the fact that the number of patients is large in the middle-aged and the elderly, due to the popularization of computers, the excessive fatigue and abrasion of the spine can be caused by long-term use of computers by many people, and in such a state, the lumbar spondylosis is inevitably caused by improper posture. The normal life and work of a patient are seriously affected by spinal diseases, the intervertebral fusion cage can be implanted to ensure that the intervertebral space can be decompressed, and the physiological activity function and the physiological height of the space can be restored at the same time, but the size of the intervertebral fusion cage is selected to trouble an operator, and the method for selecting the size of the intervertebral fusion cage in the prior art is as follows: the height of the cage is generally determined by the spinal surgeon through implantation of a trial, intraoperative fluoroscopy, and the choice of length is currently roughly estimated based on surgical experience, an indicator of the patient's height.
In view of the above, there is currently no efficient solution for accurately measuring the length of the intervertebral space to help the physician select the appropriate length of the cage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough among the above-mentioned prior art, provide a measuring device for accurate measurement intervertebral space length to solve because of the unable intervertebral fusion ware's that selects suitable length problem of measuring intervertebral space length.
In order to achieve the purpose, the utility model provides a device for measuring the lumbar intervertebral space length in the operation, which comprises a measuring device body with a bullet-shaped outer contour, wherein the measuring device body comprises a positioning rod and measuring rods symmetrically arranged at two sides of the positioning rod; the outside cover of measuring stick be equipped with the measurement sleeve, this measurement sleeve is the hollow tube that has L shape elbow, this measuring stick can remove in the measurement sleeve, the both ends of measuring stick all stretch out to the outside of measuring the sleeve.
Preferably, the positioning rod is externally sleeved with a positioning sleeve, and two ends of the positioning rod extend out of the positioning sleeve.
Preferably, the positioning rod is provided with scale marks.
Preferably, the proximal end of the positioning rod is provided with scale marks, and the proximal end is close to the operator.
Preferably, the positioning rod can move in the positioning sleeve.
Preferably, the elbow has a radiused angle.
Preferably, the measuring rod is formed by connecting a first measuring rod and a second measuring rod, wherein the first measuring rod is a stainless steel measuring rod with elasticity, and the second measuring rod is a stainless steel measuring rod with excellent rigidity.
Preferably, the second measuring rod is provided with scale marks.
Preferably, the measuring device is made of medical stainless steel material.
The measurement length A + B of the measurement device is the intervertebral space length, namely the length size of the interbody fusion cage.
The utility model provides a measure device of intervertebral space length in art, both sides have the measuring sleeve that the symmetry set up, can effectively firmly come out the intervertebral space length measurement of human lumbar vertebrae, and the product measurement size range is great, and the back no side effect of operation can effectively be solved and cause the puzzlement problem of unable selection intervertebral fusion ware because of unable measurement intervertebral space.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the utility model provides a measure lumbar vertebrae intervertebral space length's device in art, the device contain the outline and be the measuring device body of bullet form, this measuring device body contains locating lever 1 and the measuring stick of symmetry setting in the locating lever both sides. The outside cover of locating lever 1 be equipped with location sleeve 4, the outside of location sleeve 4 is all stretched out at the both ends of locating lever 1. The outside cover of measuring stick be equipped with and measure sleeve 3, should measure sleeve 3 and be the hollow tube that has L shape elbow, this measuring stick can be in measuring sleeve 3 internalization removal, the both ends of measuring stick all stretch out to the outside of measuring sleeve. The positioning rod 1 is provided with scale marks.
In some preferred embodiments, the proximal end of the positioning rod 1, which is close to the operator, is provided with scale marks.
In some preferred embodiments, the positioning rod 1 can move in the positioning sleeve 4.
In some preferred embodiments, the elbow has a radiused angle.
In some preferred embodiments, the measuring rod is formed by connecting a first measuring rod 2 and a second measuring rod 5, wherein the first measuring rod 2 is a stainless steel measuring rod with elasticity, and the second measuring rod 5 is a stainless steel measuring rod with excellent rigidity.
In some preferred embodiments, the second measuring rod 5 is provided with scale marks.
In some preferred embodiments, the measuring device is made of a medical stainless steel material.
The measurement length A + B of the measurement device is the intervertebral space length, namely the length size of the interbody fusion cage.
The device for measuring the intervertebral space length in the operation is made of surgical implant stainless steel materials, and the mechanical properties, the disinfection and sterilization, the chemical compositions and the biocompatibility of the materials all meet the requirements of related national implants.
1. The material requirements are as follows:
the tensile strength of the material is more than or equal to 635Pa, and the elongation is more than or equal to 20.
2. Basic characteristics of the stainless steel material:
the stainless steel material has higher hardness, strength and wear resistance;
3. the measuring sleeve is composed of an L-shaped hollow pipe and an arc angle, and the hollow pipe can smoothly pass through the measuring rod; the measuring rod is provided with scales and is formed by combining stainless steel with elasticity and stainless steel with excellent rigidity; the scales are carved on the stainless steel surface with excellent rigidity, and the measured length A + B is the intervertebral space length, namely the length size of the interbody fusion cage.
The utility model discloses a measure lumbar vertebrae intervertebral space length's device's in art application method does: during the measurement, the left end (distal end) in figure 1 stretches into the portion of awaiting measuring, promotes the second measuring stick of locating lever both sides respectively for the tip of first measuring stick all reaches the portion of awaiting measuring both ends summit, reads the scale mark on the second measuring stick, and in addition the diameter of positioning sleeve, can obtain A + B's total length, thereby the accurate intervertebral space length that draws, and then conveniently selects the fusion ware length dimension. In addition, the near end of the positioning rod is pushed to enable the far end of the positioning rod to be propped against the vertex of the depth direction of the part to be measured, and the height required by the intervertebral space can be accurately obtained by reading the scale marks on the near end of the positioning rod.
To sum up, the utility model discloses a measure device of intervertebral space length in art because its body is the mobile mechanism of strip, and both sides have the measuring sleeve that the symmetry set up, can effectively firmly come out the intervertebral space length measurement of human lumbar vertebrae, and the product measurement size range is great, and the no side effect after the operation can effectively be solved because of the puzzlement problem that can't select interbody fusion cage because of unable measurement intervertebral space causes.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (8)
1. A device for intraoperative measurement of intervertebral space length is characterized by comprising a measuring device body with a bullet-shaped outer contour, wherein the measuring device body comprises a positioning rod and measuring rods symmetrically arranged on two sides of the positioning rod; the outside cover of measuring stick be equipped with the measurement sleeve, this measurement sleeve is the hollow tube that has L shape elbow, this measuring stick can remove in the measurement sleeve, the both ends of measuring stick all stretch out to the outside of measuring the sleeve.
2. The device for intraoperative measurement of intervertebral disc space length of claim 1, wherein the positioning rod is externally sleeved with a positioning sleeve, and both ends of the positioning rod extend out of the positioning sleeve.
3. The device of claim 1, wherein the positioning rod is provided with graduated markings.
4. The device of claim 3, wherein the positioning rod is provided with graduated markings on a proximal end thereof, the proximal end being proximal to the operator.
5. The device of claim 1, wherein the positioning rod is movable within the positioning sleeve.
6. The device for intraoperative measurement of intervertebral space length of claim 1, wherein the elbow has a radiused angle.
7. The device of claim 1, wherein the measuring rod is formed by connecting a first measuring rod and a second measuring rod, wherein the first measuring rod is a stainless steel measuring rod having elasticity, and the second measuring rod is a stainless steel measuring rod.
8. The device for intraoperative measurement of intervertebral space length of claim 7, wherein the second measurement rod is provided with graduated markings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073839.4U CN210185582U (en) | 2018-12-11 | 2018-12-11 | Device for measuring intervertebral space length in operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073839.4U CN210185582U (en) | 2018-12-11 | 2018-12-11 | Device for measuring intervertebral space length in operation |
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| Publication Number | Publication Date |
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| CN210185582U true CN210185582U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822073839.4U Active CN210185582U (en) | 2018-12-11 | 2018-12-11 | Device for measuring intervertebral space length in operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112545723A (en) * | 2020-12-25 | 2021-03-26 | 北京中安泰华科技有限公司 | Intervertebral space height measuring device |
-
2018
- 2018-12-11 CN CN201822073839.4U patent/CN210185582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112545723A (en) * | 2020-12-25 | 2021-03-26 | 北京中安泰华科技有限公司 | Intervertebral space height measuring device |
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