CN109009136B - Novel intervertebral measuring device - Google Patents
Novel intervertebral measuring device Download PDFInfo
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- CN109009136B CN109009136B CN201811005761.0A CN201811005761A CN109009136B CN 109009136 B CN109009136 B CN 109009136B CN 201811005761 A CN201811005761 A CN 201811005761A CN 109009136 B CN109009136 B CN 109009136B
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- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 25
- 238000005259 measurement Methods 0.000 description 23
- 239000010936 titanium Substances 0.000 description 20
- 229910052719 titanium Inorganic materials 0.000 description 20
- 238000000034 method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 230000002980 postoperative effect Effects 0.000 description 6
- 238000012806 monitoring device Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002271 resection Methods 0.000 description 2
- 208000018084 Bone neoplasm Diseases 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003278 egg shell Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 208000037959 spinal tumor Diseases 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011477 surgical intervention Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
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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
-
- 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
- A61B5/1071—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring angles, e.g. using goniometers
-
- 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
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/067—Measuring instruments not otherwise provided for for measuring angles
Abstract
The invention relates to a novel intervertebral measuring device, which comprises a length measuring shaft, an angle measuring shaft, a length dial, a supporting device, an angle dial, a screw and a vertebral body bonding surface, wherein the angle dial is arranged on the length measuring shaft; the length dial is provided with scale marks and saw teeth; the opening device comprises an opener and a bayonet; the first angle measuring shafts on the left side and the right side are respectively connected with the opening device through screws; the angle dial is respectively arranged above the left and right first length measuring shafts; the tail ends of the second length measuring device and the second angle measuring device on the left side and the right side are respectively connected with the vertebral body attaching surface through screws. The advantages are as follows: the length and the angle between the adjacent vertebral bodies can be accurately and rapidly measured, and the titanium mesh attached to the vertebral bodies can be conveniently cut out, so that the vertebral bodies can be fixedly connected, the operation quality is improved, the operation time is saved, the occurrence probability of complications is reduced, the pain of a patient is relieved, and the rehabilitation speed of the patient after operation is increased.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a novel intervertebral measuring device.
Background
The spine is formed by connecting 26 vertebrae, is a main girder bone of a human body, not only supports the weight of the human body, but also plays a role in protecting nerves, blood vessels and viscera, and is an important component of the human body. The incidence rate of spinal tumor accounts for about 5% of the total bone tumor, is more common in thoracolumbar tumor, has higher disability rate and death rate, brings serious economic burden to families and society, and is a main treatment means for surgical intervention. The operation mainly comprises the following steps: total vertebrotomy, predation excision and eggshell excision. The three techniques have advantages and disadvantages respectively, and compared with the total spine resection, the total spine resection is recognized as an ideal operation by scholars at home and abroad.
Because the spine is a bony structure, after the vertebral bodies between the spines are resected, the support and stabilization can be achieved only by rigid internal fixation. The internal fixation material mode that uses in the backbone operation at present has multiple, uses the mode that titanium net internal fixation centrum can reduce the probability that the complication took place, alleviates patient's misery, but in the clinical medical at present, generally adopts the estimated mode to judge the distance and the angle between two centrum to tailor titanium net and be used for fixing both sides centrum, this method obviously has not only to judge that the inter-vertebral distance and angle are inaccurate, and the titanium net size of tailorring is different moreover, can't effectually laminate the centrum surface, causes the extravagant phenomenon of titanium net. Therefore, the linear distance and angle between the vertebral bodies are very important for cutting the size of the titanium mesh, and no measuring instrument capable of accurately and rapidly measuring the linear distance and angle between the vertebral bodies is available at present.
Chinese patent literature: CN201620698567.5, filing date 2016.07.05, patent name: a measurer for intervertebral moment of spine. Discloses a spinal column intervertebral moment measurer, and relates to the technical field of medical equipment. The device comprises a holding rod, a control device, a monitoring device and a telescopic rod, wherein the holding rod is fixedly connected with the telescopic rod, the inside of the holding rod is communicated with the telescopic rod in a hollow mode, and the control device and the monitoring device are arranged in the holding rod and the telescopic rod; the control device comprises a knob, a rotating shaft, a gear and a rack, wherein the knob is connected with the gear through the rotating shaft, one end of the rack is connected with the gear, and the other end of the rack is connected with the inner wall of the telescopic rod; the monitoring device comprises a display screen, a control circuit and a sensor, wherein the display screen and the sensor are respectively connected with the control circuit and used for detecting and displaying the expansion and contraction quantity.
According to the spine vertebral space measurer disclosed by the patent document, the holding rod is fixedly connected with the telescopic rod, the control device and the monitoring device are arranged in the holding rod and the telescopic rod, the knob is connected with the gear through the rotating shaft, one end of the rack is connected with the gear, the other end of the rack is connected with the inner wall of the telescopic rod, the display screen and the sensor are respectively connected with the control circuit and used for detecting and displaying the telescopic quantity, so that the vertebral space can be accurately measured, the operation is convenient, and the data display is clear. But with respect to a novel intervertebral measuring device which can accurately and rapidly measure the length and angle between adjacent vertebral bodies, is convenient for cutting out a titanium net attached to the vertebral bodies, thereby connecting and fixing the vertebral bodies, improving the operation quality, saving the operation time, reducing the occurrence probability of complications, relieving the pain of patients and increasing the rehabilitation speed of postoperative patients, no relevant report exists at present.
In view of the foregoing, there is a need for a novel intervertebral measuring device that can accurately and rapidly measure the length and angle between adjacent vertebral bodies, and facilitate cutting out titanium mesh attached to the vertebral bodies, so as to connect and fix the vertebral bodies, improve the surgical quality, save the surgical time, reduce the probability of complications, alleviate the pain of patients, and increase the rehabilitation speed of postoperative patients.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a novel intervertebral measuring device which can accurately and rapidly measure the length and the angle between adjacent vertebrae, is convenient for cutting out a titanium net attached to the vertebrae, thereby connecting and fixing the vertebrae, improving the operation quality, saving the operation time, reducing the occurrence probability of complications, relieving the pain of patients and increasing the rehabilitation speed of the postoperative patients.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the novel intervertebral measuring instrument comprises a length measuring shaft, an angle measuring shaft, a length dial, a supporting device, an angle dial, a screw and a vertebral body attaching surface; the length measuring shaft comprises a first length measuring shaft and a second length measuring shaft; the first length measuring shaft and the second length measuring shaft are fixedly connected in a right-angle structure; the angle measuring shaft comprises a first angle measuring shaft and a second angle measuring shaft; the first angle measuring shaft is connected with the second angle measuring shaft through a screw; the length dial is provided with scale marks and saw teeth; the saw teeth are arranged above the scale marks; the length dial is arranged behind the first length measuring shafts on the left side and the right side; the opening device comprises an opener and a bayonet; the opening device is of a cuboid structure, is of a hollow structure, and is of a hollow structure at the left and right lower parts; the spreader is arranged at the left side position above the spreading device; the bayonet is arranged on the right side of the spreader; the left and right first length measuring devices are respectively fixed on front plates at two ends in the middle of the inside of the opening device; the left and right first angle measuring shafts are respectively arranged at the outer sides of the opening device and correspond to the positions of the left and right first length measuring shafts; the first angle measuring shafts on the left side and the right side are respectively connected with the opening device through screws; the angle dial is respectively arranged above the left and right first length measuring shafts; the tail ends of the second length measuring device and the second angle measuring device on the left side and the right side are respectively connected with the vertebral body attaching surface through screws.
As a preferred technical scheme, all the components connected with each other by the screw are hinged.
As a preferable technical scheme, the whole spreader is circular.
As a preferable technical scheme, a cutting tooth matching structure is formed between the bayonet and the saw teeth.
As a preferred technical solution, the angle dial has a fan-shaped structure.
As an optimized technical scheme, the expanding device is of a telescopic structure.
As a preferable embodiment, the measuring instrument body is made of stainless steel.
As a preferred embodiment, the titanium mesh is made of a metal material.
As a preferable technical scheme, the bottom of the cone joint surface is made of an anti-slip material.
The invention has the advantages that:
1. the first measuring shaft and the second measuring shaft are connected in a right angle manner, so that the scale on the length dial can be conveniently and directly read, and the cone attaching surface arranged at the tail end of the second length measuring shaft can be attached to the surface of an adjacent cone of a patient, and the measuring result is not affected.
2. The spreader that the left side position of strutting arrangement top was equipped with is whole circular, and through rotatory alright strut the strutting arrangement body right side from top to bottom, the centrum laminating face that the second length measurement axle end of the left and right sides of being convenient for was equipped with can be laminated with the adjacent centrum surface of patient, is convenient for measure.
3. The first length measuring shafts on the left side and the right side are respectively fixed on the front plates on the two sides inside the opening device, so that the first length measuring shafts on the left side and the right side cannot deviate in angle in the measuring process, the linear distance between adjacent vertebral bodies of a patient can be conveniently measured, the measuring process is quick and accurate, and medical staff can conveniently cut out a titanium net with required length according to the measuring result.
4. The head end of the length dial is integrally placed on the inner side of the expanding device through the position below the right side of the expanding device, and the head end is clung to the left side of the expanding device, so that the accuracy of the measured linear distance is ensured.
5. The bayonet arranged on the right side of the spreader, after the spreader spreads the spreader body to the right side, the spreader is elastically contracted by the spreader body, and the spreader is embedded in the saw teeth arranged above the length dial to form a cutting tooth matching structure through the design of the bayonet, so that the spreader is prevented from automatically retracting, the operation of medical staff is facilitated, the operation time is saved, and the measurement result is more accurate.
6. The first angle measuring shaft arranged at the position of the first length measuring shaft on the outer side of the opening device relative to the left side and the right side of the opening device is connected with the opening device through screws, the opening device can rotate randomly, the first angle measuring shaft is connected with the second angle measuring shaft through screws, the second angle measuring shaft is connected with the vertebrae binding faces through screws, the first angle measuring shaft, the second angle measuring shaft and the vertebrae binding faces can move relative to each other, the vertebrae binding faces are convenient to be adjusted to be tightly attached to the surfaces of vertebrae of a patient, and therefore accurate angles between adjacent vertebrae of the patient are obtained.
7. The angle dial arranged above the first length measuring shafts on the left side and the right side is of a fan-shaped structure, and the angle between vertebral bodies of a patient can be directly read out through measurement, so that medical staff can cut out a titanium net with a required angle according to a measurement result.
8. The design of length measurement axle, angle measurement axle can be quick, accurate measurement axle patient straight line distance and angle between the adjacent centrum, makes things convenient for medical personnel to tailor out required titanium net according to measuring result for the titanium net of tailorring out more laminate in patient's centrum, has improved operation quality, practices thrift operation time simultaneously, and reduces the probability that the complication takes place, has alleviateed patient's misery, has increased patient postoperative recovered speed.
Drawings
Fig. 1 is a schematic perspective view of a novel intervertebral measuring device according to the invention.
Fig. 2 is a schematic rear perspective view of a novel intervertebral measuring device according to the invention.
Fig. 3 is a schematic rear view of a transparent perspective structure of a novel intervertebral measuring device according to the invention.
Fig. 4 is a schematic perspective view of a novel measurement result of an intervertebral measuring device according to the invention against a cut titanium mesh.
Detailed Description
The invention is further described below with reference to examples and with reference to the accompanying drawings.
Reference numerals and components referred to in the drawings are as follows:
1. length measuring shaft 11. First length measuring shaft
12. Second length measuring shaft 2. Angle measuring shaft
21. First angle measurement axis 22. Second angle measurement axis
3. Length scale 31. Scale mark
32. Saw tooth 4. Opening device
41. Opener 42 bayonet
5. Angle dial 6. Screw
7. Vertebral body fitting surface
Example 1
Referring to fig. 1-3, fig. 1-3 are schematic perspective views of a novel intervertebral measuring device according to the present invention. The novel intervertebral measuring instrument comprises a length measuring shaft 1, an angle measuring shaft 2, a length dial 3, a supporting device 4, an angle dial 5, a screw 6 and a cone attaching surface 7; the length measuring shaft 1 comprises a first length measuring shaft 11 and a second length measuring shaft 12; the first length measuring shaft 11 and the second length measuring shaft 12 are fixedly connected in a right-angle structure; the angle measuring shaft 2 comprises a first angle measuring shaft 21 and a second angle measuring shaft 22; the first angle measuring shaft 21 is connected with the second angle measuring shaft through a screw 6; the length dial 3 is provided with graduation marks 31 and saw teeth 32; the saw teeth 32 are arranged above the graduation marks 31; the length dial 3 is arranged behind the first length measuring shafts 11 on the left side and the right side; the spreader 4 comprises a spreader 41 and a bayonet 42; the opening device 4 is of a cuboid structure, is of a hollow structure, and is of a hollow structure at the left and right lower parts; the spreader 41 is arranged at the left side position above the spreader 4; the bayonet 42 is arranged on the right side of the spreader 41; the left and right first length measuring devices 11 are respectively fixed on front plates at two ends in the middle of the inside of the opening device 4; the left and right first angle measuring shafts 21 are respectively arranged at the outer sides of the opening device 4 and correspond to the positions of the left and right first length measuring shafts 11; the first angle measuring shafts 21 on the left side and the right side are respectively connected with the opening device 4 through screws 6; the angle dial 5 is respectively arranged at the upper positions of the left and right first length measuring shafts 11; the tail ends of the second length measuring device 12 and the second angle measuring device 22 on the left side and the right side are respectively connected with the cone joint surface 7 through screws 6.
It should be noted that: the measurer body is made of stainless steel; the titanium net is made of a metal material; the connection mode that the right angle of the first measuring shaft 11 and the second measuring shaft 12 is right angle is convenient for directly reading the scale on the length dial 3, and the cone fitting surface 7 arranged at the tail end of the second length measuring shaft 12 can be tightly attached to the surface of the adjacent cone of the patient, so that the measuring result is not influenced; the components connected with each other by the screw 6 are all hinged and can rotate freely; the spreader 41 arranged at the left side above the spreader 4 is round, and the spreader 4 body can be spread to the right side by rotating up and down, so that the cone fitting surface 7 arranged at the tail end of the second length measuring shaft 12 at the left side and the right side can be fitted with the adjacent cone surface of a patient, and the measurement is convenient; the first length measuring shafts 11 on the left side and the right side are respectively fixed on the front plates on the two sides inside the opening device 4, so that the first length measuring shafts 11 on the left side and the right side cannot deviate in angle in the measuring process, the linear distance between adjacent vertebral bodies of a patient can be conveniently measured, the measuring process is quick and accurate, and a medical staff can conveniently cut out a titanium net with a required length according to the measuring result (see figure 4); the head end of the length dial 3 is integrally placed inside the opening device 4 through the position below the right side of the opening device 4, and the head end is tightly attached to the left side of the opening device 4, so that the accuracy of the measured linear distance is ensured; the bayonet 42 arranged on the right side of the spreader 41, when the spreader 41 spreads the spreader 4 body to the right, the spreader 4 automatically retracts due to the retractility, and the bayonet 42 can be embedded in the saw teeth 32 arranged above the length dial 3 to form a cutting tooth matching structure through the design of the bayonet 42, so that the spreader 4 is prevented from automatically retracting, the operation of medical staff is facilitated, the operation time is saved, and the measurement result is more accurate; the first angle measuring shaft 21 arranged at the position of the first length measuring shaft 11 on the outer side of the opening device 4 opposite to the left side and the right side is connected with the opening device 4 through a screw 6, and can rotate at will, and the first angle measuring shaft 21 is connected with the second angle measuring shaft 22 and the cone attachment surface 7 through the design of the screw 6, so that the first angle measuring shaft 21, the second angle measuring shaft 22 and the cone attachment surface 7 can move mutually, and the cone attachment surface 7 can be conveniently adjusted to be clung to the surface of a cone of a patient, so that the accurate angle between the adjacent cones of the patient is obtained; the angle dial 5 arranged above the first length measuring shafts 11 on the left side and the right side is in a fan-shaped structure, and can directly read the angle between vertebral bodies of a patient through measurement, so that medical staff can conveniently cut out a titanium net with a required angle according to the measurement result (see figure 4); the design of the length measuring shaft 1 and the angle measuring shaft 2 can rapidly and accurately measure the linear distance and the angle between the adjacent vertebral bodies of the shaft patient, and a medical staff can cut out a required titanium net (see fig. 4) according to the measurement result, so that the cut-out titanium net is more attached to the vertebral bodies of the patient, the operation quality is improved, the operation time is saved, the occurrence probability of complications is reduced, the pain of the patient is relieved, and the postoperative rehabilitation speed of the patient is increased.
Preferably, the bottom of the cone attaching surface 7 is made of an anti-slip material, so that the fixing effect is definite.
The using method of the intervertebral measuring instrument comprises the following steps: the spreader 41 is rotationally adjusted to spread the spreader 4 to the right, so that the cone fitting surfaces 7 at the left side and the right side are respectively clung to the surfaces of the adjacent cones of the patient, at the moment, the spreader 4 can be kept in a fixed state by placing the bayonet 42 arranged at the right side of the spreader 41 in the saw teeth 32 above the length dial 3, and the angle between the adjacent cones of the patient can be directly read through the angle dial 5 arranged above the first length measuring shafts 11 at the left side and the right side; the diameters of the first length measuring shafts 11 arranged on the front plates at the two sides of the inside of the opening device 4 are fixed, and the positions of the left and right first measuring shafts 11 are fixed, so that the distance between the left and right first measuring shafts 11 and the two ends of the opening device 4 can be directly obtained; the linear distance between the two length side measuring shafts 1 can be obtained by reading the degree on the length dial 3 and subtracting the diameters of the left and right first measuring shafts 11 and the distance between the left and right first measuring shafts 11 and the two ends of the spreader 4, and the linear distance between the two adjacent vertebrae of the patient can be obtained by directly obtaining the linear distance between the second length measuring shafts 12 through the right-angle fixed structure connection between the first length measuring shafts 11 and the second length measuring shafts 12 and adding the linear distance between the two length measuring shafts 1 and the linear distance between the two second length measuring shafts 12; medical staff can cut out the titanium net which is more attached to the vertebral body of the patient according to the linear distance result and the angle measurement result of the adjacent vertebral body of the patient.
According to the novel intervertebral measuring device, by means of the connection mode that the right angle of the first measuring shaft and the right angle of the second measuring shaft are right angles, the graduations on the length dial are conveniently and directly read, and the cone adhesion surface arranged at the tail end of the second length measuring shaft can be tightly attached to the surface of an adjacent cone of a patient, so that the measuring result is not affected; the parts connected with each other by the screws are all hinged, and can freely rotate and move; the whole circle of the spreader arranged at the left side position above the spreader can spread the spreader body to the right side through up-down rotation, so that the cone binding surface arranged at the tail end of the second length measuring shaft at the left side and the right side can be bound with the surface of the adjacent cone of the patient, and the measurement is convenient; the first length measuring shafts on the left side and the right side are respectively fixed on the front plates on the two sides in the opening device, so that the first length measuring shafts on the left side and the right side cannot deviate in angle in the measuring process, the linear distance between adjacent vertebral bodies of a patient can be conveniently measured, the measuring process is quick and accurate, and medical staff can conveniently cut out a titanium net with the required length according to the measuring result; the head end of the length dial is integrally placed at the inner side of the expanding device through the position below the right side of the expanding device, and the head end is tightly attached to the left side of the expanding device, so that the accuracy of the measured linear distance is ensured; the bayonet is arranged on the right side of the spreader, when the spreader spreads the spreader body to the right side, the spreader is contracted by elasticity with the spreader body, and the bayonet can be embedded in the saw teeth arranged above the length dial to form a cutting tooth matching structure through the design of the bayonet, so that the spreader is prevented from automatically retracting, the operation of medical staff is facilitated, the operation time is saved, and the measurement result is more accurate; the first angle measuring shaft arranged at the position, opposite to the left side and the right side, of the first length measuring shaft at the outer side of the opening device is connected with the opening device through a screw, the opening device can rotate randomly, the first angle measuring shaft is connected with the second angle measuring shaft, the second angle measuring shaft is connected with the cone bonding surface through the design of the screw, so that the first angle measuring shaft, the second angle measuring shaft and the cone bonding surface can move mutually, the cone bonding surface can be conveniently adjusted to be clung to the surface of a patient cone, and the accurate angle between adjacent cones of the patient can be obtained; the angle dial plate arranged above the first length measuring shafts on the left side and the right side is in a fan-shaped structure, and can directly read the angles among vertebral bodies of a patient through measurement, so that medical staff can conveniently cut out a titanium net with a required angle according to the measurement result; the design of length measurement axle, angle measurement axle can be quick, accurate measurement axle patient straight line distance and angle between the adjacent centrum, makes things convenient for medical personnel to tailor out required titanium net according to measuring result for the titanium net of tailorring out more laminate in patient's centrum, has improved operation quality, practices thrift operation time simultaneously, and reduces the probability that the complication takes place, has alleviateed patient's misery, has increased patient postoperative recovered speed.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and additions to the present invention may be made by those skilled in the art without departing from the principles of the present invention and such modifications and additions are to be considered as well as within the scope of the present invention.
Claims (6)
1. The novel intervertebral measuring instrument is characterized by comprising a length measuring shaft, an angle measuring shaft, a length dial, an angle dial, a screw, a vertebral body binding surface and a spreading device; the length measuring shaft comprises a first length measuring shaft and a second length measuring shaft; the first length measuring shaft and the second length measuring shaft are fixedly connected in a right-angle structure; the angle measuring shaft comprises a first angle measuring shaft and a second angle measuring shaft; the first angle measuring shaft is connected with the second angle measuring shaft through a screw; the length dial is provided with scale marks and saw teeth; the saw teeth are arranged above the scale marks; the length dial is arranged behind the first length measuring shafts on the left side and the right side; the opening device comprises an opener and a bayonet; the opening device is of a cuboid structure, is of a hollow structure, and is of a hollow structure at the left and right lower parts; the spreader is arranged at the left side position above the spreading device; the bayonet is arranged on the right side of the spreader; the left and right first length measuring devices are respectively fixed on front plates at two ends in the middle of the inside of the opening device; the left and right first angle measuring shafts are respectively arranged at the outer sides of the opening device and correspond to the positions of the left and right first length measuring shafts; the first angle measuring shafts on the left side and the right side are respectively connected with the opening device through screws; the angle dial is respectively arranged above the left and right first length measuring shafts; the second length measuring device and the second angle measuring device at the left side and the right side are connected to the vertebra attaching surface through screws respectively, the measurer body is made of stainless steel materials, and the bottom of the vertebra attaching surface is made of anti-slip materials.
2. An intervertebral measuring device as recited in claim 1 wherein the screw interconnecting members are hinged.
3. The intervertebral measuring device of claim 1 wherein the distractor is generally circular.
4. An intervertebral measuring device as recited in claim 1 wherein a cutting tooth engagement is formed between the bayonet and the serrations.
5. The intervertebral gauge of claim 1, wherein the angle dial is in a fan-like configuration.
6. The intervertebral measuring device of claim 1 wherein the distracting device is of telescoping construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005761.0A CN109009136B (en) | 2018-08-30 | 2018-08-30 | Novel intervertebral measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005761.0A CN109009136B (en) | 2018-08-30 | 2018-08-30 | Novel intervertebral measuring device |
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|---|---|
| CN109009136A CN109009136A (en) | 2018-12-18 |
| CN109009136B true CN109009136B (en) | 2024-03-22 |
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| CN201811005761.0A Active CN109009136B (en) | 2018-08-30 | 2018-08-30 | Novel intervertebral measuring device |
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| CN110151239B (en) * | 2019-05-07 | 2020-11-10 | 张为 | Centrum struts measuring device |
| CN111329538A (en) * | 2020-03-05 | 2020-06-26 | 青岛大学附属医院 | Sternum retractor for cardiothoracic vascular surgery and using method thereof |
| CN112569023B (en) * | 2020-12-09 | 2023-06-09 | 湖南华翔医疗科技有限公司 | Cone height and angle measuring tool |
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