CN107361856B - Noninvasive vertebra localization instrument and its application method - Google Patents
Noninvasive vertebra localization instrument and its application method Download PDFInfo
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- CN107361856B CN107361856B CN201710574522.6A CN201710574522A CN107361856B CN 107361856 B CN107361856 B CN 107361856B CN 201710574522 A CN201710574522 A CN 201710574522A CN 107361856 B CN107361856 B CN 107361856B
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- 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
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses noninvasive vertebra localization instrument and application methods, noninvasive vertebra localization instrument, wherein: including the first coordinatometer and the second coordinatometer, one end of first coordinatometer and one end of the second coordinatometer are hinged, one measurement body one end is connected on the first coordinatometer, and the end can be slided along the axial direction of the first coordinatometer, the other end of measurement body crosses the second coordinatometer, one measurement body connector one end is connect with the second coordinatometer, and the end can be slided along the axial direction of the second coordinatometer, the other end for measuring body connector is connect with measurement body, and the end can be slided along the axial direction of measurement body, one positioning body is arranged in parallel with measurement body, and positioning body one end is connected on the first coordinatometer, physical efficiency is positioned to slide along the axial direction of the first coordinatometer.The present invention has using simplicity, and positioning can be completed in several minutes, one man operation, the high advantage of accuracy.
Description
Technical field
The present invention relates to a kind of Medical Instruments, in particular to a kind of relevant noninvasive vertebra localization instrument of spinal surgery and
Its application method.
Background technique
Spinal vertebral positioning is required link in spinal surgery.The usual root of common spinal operation vertebra localization method
Spinous process is touched according to preoperative CT and X-ray film, by positioning syringe needle or the marker auxiliary positioning under x-ray.
Both the above vertebra localization method cuts both ways.Syringe needle positioning mode is because metal needle can develop under x-ray, operation letter
Just, accurate positioning.But there is the probability of damage spinal cord and nerve in syringe needle merging, be usually used in second lumbar vertebra and following segment backbone hand
Art patient, the patient that cervical vertebra, thoracic vertebral segment operation, scoliosis seriously and previously have laminectomy history is taboo；Cause
For invasive operation, the patient being chiefly used under narcosis.Though put the markers localization method such as Kirschner wire be it is noninvasive, be only applicable to
Single or a small number of segments patients undergoing spinal operation, spinal operation longer for segment are extremely not convenient.
Before making the present invention, operative doctor positions spinal operation correlation segment, more options both the above positioning side in the preoperative
One of method, but for some patients, the non-pathology objective factor such as position causes two methods to be used limitation when because of operation,
Piece or CT examination can only be taken the photograph by referring to preoperative X-ray as a result, through body surface Anatomical orientation or empirical touch spinous process positioning operation section
Section, different for vertebra abnormality, fusion, shifting deformation etc. or bone mark location mistake, thoracic vertebrae waist, sacralization, lumbarization
Etc. causing to position mistake, and occurs detecting Extensive site in art, accidentally cuts the serious consequences such as normal disc, operation be invalid.For solution
Certainly this problem, operative doctor often pass through multiple X-ray examination positioning operation segment, greatly increase medical worker's workload, patient
Receive the ionising radiation pollution in roentgen radiation x number and environment.
Summary of the invention
The object of the invention is that overcoming drawbacks described above, designs, develops a kind of noninvasive vertebra localization instrument and this is noninvasive
The application method of vertebra localization instrument.
To realize the above-mentioned technical purpose, the technical scheme adopted by the invention is as follows:
Noninvasive vertebra localization instrument, in which: including the first coordinatometer and the second coordinatometer, one end of the first coordinatometer and second
One end of coordinatometer is hinged, and a measurement body one end is connected on the first coordinatometer, and the end can be along the axial direction of the first coordinatometer
Direction sliding, the other end for measuring body cross the second coordinatometer, and a measurement body connector one end is connect with the second coordinatometer, and should
End can be slided along the axial direction of the second coordinatometer, and the other end for measuring body connector is connect with measurement body, and the end can edge
The axial direction sliding of measurement body, a positioning body be arranged in parallel with body is measured, and positioning body one end is connected to the first coordinatometer
On, positioning physical efficiency is slided along the axial direction of the first coordinatometer.
To optimize above-mentioned technical proposal, the concrete measure taken further include:
The other end of above-mentioned positioning body crosses the second coordinatometer, and a positioning body connector one end and the second coordinatometer connect
It connects, and the end can be slided along the axial direction of the second coordinatometer, the positioning body connector other end is connect with positioning body, and the end
It can be slided along the axial direction of positioning body.
The first above-mentioned coordinatometer can be fixed to each other with the second coordinatometer, measure between body and the first coordinatometer, measurement body
Between connector and the second coordinatometer, between measurement body connector and measurement body, between positioning body and the first coordinatometer, positioning body
It can be fixed to each other between connector and the second coordinatometer and between positioning body connector and positioning body.
It is provided with the first axially extending hollow slots on the first above-mentioned coordinatometer, axial prolong is provided on the second coordinatometer
The second hollow slots stretched measure and are provided with axially extending measurement body hollow slots on body, are provided on positioning body axially extending
Positioning body hollow slots are connected by the first coordinatometer connector, the first coordinate between measurement body, positioning body and the first coordinatometer
Ruler connector is by the first sliding block for being slidably arranged in the first hollow slots and across measurement body hollow slots or positioning body hollow slots
First screw rod composition, is provided with the first screw hole on the first sliding block, when the first screw rod is not screwed into the first screw hole bottom, measurement body and
Positioning body is slidably matched with the first coordinatometer, when the first screw rod is screwed into the first screw hole bottom, the first screw rod and the first coordinate
Ruler cooperation, measurement body and positioning body are compressed, so that measurement body, positioning body and the first coordinatometer are mutually fixed, measurement body connection
Part and positioning body connector by the second sliding block being slidably arranged in the second hollow slots and pass through measurement body hollow slots or positioning
Second screw rod of body hollow slots forms, and the second screw hole is provided on the second sliding block, when the second screw rod is not screwed into the second screw hole bottom
When, it measures body and positioning body and is slidably matched with the second coordinatometer, when the second screw rod is screwed into screw hole bottom, the second screw rod and the
The cooperation of two coordinatometers, measurement body and positioning body are compressed, so that measurement body, positioning body and the second coordinatometer are mutually fixed.
Above-mentioned the first coordinatometer, the second coordinatometer, measurement body and positioning body is metal material production.
Scale is provided on above-mentioned the first coordinatometer, the second coordinatometer.
A kind of application method of noninvasive vertebra localization instrument, it is characterized in that: the following steps are included:
Step 1: according in patient's preoperative planning x ray photograph spinal vertebral and pelvis image, choose two sides posterior superior iliac spine
Line is A axis, and backbone long axis is B axle, and A axis and B axle intersection point are as origin, by the tie point of the first coordinatometer and the second coordinatometer
It is positioned on origin, rotates the first coordinatometer and the second coordinatometer, keep the first coordinatometer Chong Die with A axis, the second coordinatometer and B axle
Overlapping, the first coordinatometer and the second coordinatometer are fixed to each other；
Step 2: the targeted vertebral body being located on backbone long axis is chosen in x ray photograph, and certain side posterior superior iliac spine line,
The both ends of sliding measurement body, it is Chong Die with the line to make to measure body, then will measure the both ends of body respectively with the first coordinatometer and the
Two coordinatometers are mutually fixed, and the first coordinatometer, the second coordinatometer and measurement body constitute orientation triangle at this time；
Step 3: being determined on after the ilium of patient two sides according to the body surface symbol of patient's lumbosacral region posterior superior iliac spine and spinous process
After ridge line and backbone long axis, the movement of noninvasive vertebra localization instrument is put to the patient's body surface, the first coordinatometer and the second coordinatometer
It is located on posterior superior iliac spine line and on backbone long axis；
Step 4: adjustment positioning body, makes positioning body in the state of remaining parallel to measurement body, it is sliding along the first coordinatometer
It moves to patient side posterior superior iliac spine position, the joint of positioning body and the second coordinatometer projects the position of patient body-surface i.e. at this time
For the body surface location of targeted vertebral body.
Noninvasive vertebra localization instrument of the invention, plastic simplicity, manufacture craft is simple, easy to use, and positional accuracy is high, right
Patient's hurtless measure is also not necessarily to X-ray film auxiliary positioning.Position indicator stationary body part is by one is long and the other is short two flat Openworks shape hard
Metal coordinatometer composition, junction by bearing sliding intersection, can 360 degree of moving rotaries, for determine two sides posterior superior iliac spine company
After line and backbone long axis intersection point, orientation triangle both sides are determined.Main part is measured by the positioning of flat Openworks shape metal material
Body and measurement body composition, positioning body and measurement body one end are connected with the first coordinatometer, slidably, can fix, the other end and second
Coordinatometer is connected, and can also slidably fix.The above material can be imaged through x-ray.
Advantages of the present invention and effect are to be suitable for that vertebral body structure is normal and the positioning of slight scoliosis patient centrum,
It using simplicity, can be completed in several minutes, need basic anatomy and iconography common sense, one man operation, accuracy height.Its
Structure is simple, at low cost, easy to use, reliable.By the fixed posterior superior iliac spine line of two axis of the first, second coordinatometer and backbone long axis
After line, by measurement body, linking objective centrum is moved to the patient's body surface with after certain side posterior superior iliac spine on X-ray film.Because taking the photograph sheet body
Position is consistent with measurement position, and the patient's body surface mark is X-ray film in equal proportion amplification, therefore on the first coordinatometer admittedly by positioning body
After posterior superior iliac spine body surface symbol, after corresponding measurement body is placed in parallel, with the second coordinatometer intersection position, as targeted vertebral body
Body surface location.Solves the current pinpoint problem of most centrums in the world.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of the first coordinatometer connector；
Fig. 3 is the schematic diagram for measuring body connector.
Appended drawing reference therein are as follows: the first coordinatometer 1, the second coordinatometer 2, the second hollow slots 21, is surveyed first hollow slots 11
Measure body 3, measurement body hollow slots 31, measurement body connector 4, positioning body 5, positioning body hollow slots 51, positioning body connector 6, first
Coordinatometer connector 7, the first sliding block 71, the first screw rod 72, the first screw hole 73, the second sliding block 81, the second screw rod 82, the second screw hole
83。
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Noninvasive vertebra localization instrument of the invention, in which: including the first coordinatometer 1 and the second coordinatometer 2, the first coordinatometer 1
One end and the second coordinatometer 2 one end it is hinged, measurement 3 one end of body is connected on the first coordinatometer 1, and the end can be along the
The axial direction of one coordinatometer 1 slides, and the other end of measurement body 3 crosses the second coordinatometer 2, measurement 4 one end of body connector with
The connection of second coordinatometer 2, and the end can slide along the axial direction of the second coordinatometer 2, measure body connector 4 the other end and
It measures body 3 to connect, and the end can be slided along the axial direction of measurement body 3, a positioning body 5 is arranged in parallel with measurement body 3, and fixed
Position 5 one end of body is connected on the first coordinatometer 1, and positioning body 5 can be slided along the axial direction of the first coordinatometer 1.
In embodiment, the other end of positioning body 5 crosses the second coordinatometer 2,6 one end of a positioning body connector and the second coordinate
Ruler 2 connects, and the end can be slided along the axial direction of the second coordinatometer 2, and 6 other end of positioning body connector and positioning body 5 connect
It connects, and the end can be slided along the axial direction of positioning body 5.
In embodiment, the first coordinatometer 1 can be fixed to each other with the second coordinatometer 2, between measurement body 3 and the first coordinatometer 1,
Measure between body connector 4 and the second coordinatometer 2, between measurement body connector 4 and measurement body 3, positioning body 5 and the first coordinatometer
Can mutually it consolidate between 1, between positioning body connector 6 and the second coordinatometer 2 and between positioning body connector 6 and positioning body 5
It is fixed.
In embodiment, it is provided with the first axially extending hollow slots 11 on the first coordinatometer 1, is arranged on the second coordinatometer 2
There are the second axially extending hollow slots 21, measures and be provided with axially extending measurement body hollow slots 31 on body 3, set on positioning body 5
Axially extending positioning body hollow slots 51 are equipped with, pass through the first coordinatometer between measurement body 3, positioning body 5 and the first coordinatometer 1
Connector 7 connects, and the first coordinatometer connector 7 is by the first sliding block 71 for being slidably arranged in the first hollow slots 11 and passes through measurement
First screw rod 72 of body hollow slots 31 or positioning body hollow slots 51 composition, is provided with the first screw hole 73 on the first sliding block 71, when the
When one screw rod 72 is not screwed into the first 73 bottom of screw hole, measures body 3 and positioning body 5 is slidably matched with the first coordinatometer 1, when first
When screw rod 72 is screwed into the first 73 bottom of screw hole, measurement body 3 and positioning body 5 are pressed in the first screw rod 72 and the cooperation of the first coordinatometer 1
Tightly, so that measurement body 3, positioning body 5 are mutually fixed with the first coordinatometer 1, body connector 4 and positioning body connector 6 are measured by cunning
Dynamic the second sliding block 81 being arranged in the second hollow slots 21 and across the second of measurement body hollow slots 31 or positioning body hollow slots 51
Screw rod 82 forms, and is provided with the second screw hole 83 on the second sliding block 81, when the second screw rod 82 is not screwed into the second 83 bottom of screw hole, surveys
Amount body 3 and positioning body 5 are slidably matched with the second coordinatometer 2, when the second screw rod 82 is screwed into 83 bottom of screw hole, the second screw rod 82
Cooperate with the second coordinatometer 2, measurement body 3 and positioning body 5 are compressed, so that measurement body 3,2 phase of positioning body 5 and the second coordinatometer
It is fixed.
In embodiment, the first coordinatometer 1, the second coordinatometer 2, measurement body 3 and positioning body 5 are metal material production.
In embodiment, scale is provided on the first coordinatometer 1, the second coordinatometer 2.
A kind of application method of noninvasive vertebra localization instrument, it is characterized in that: the following steps are included:
Step 1: according in patient's preoperative planning x ray photograph spinal vertebral and pelvis image, choose two sides posterior superior iliac spine
Line is A axis, and backbone long axis is B axle, and A axis and B axle intersection point are as origin, by the connection of the first coordinatometer 1 and the second coordinatometer 2
Point location rotates the first coordinatometer 1 and the second coordinatometer 2, keeps the first coordinatometer 1 Chong Die with A axis, the second coordinatometer on origin
2 is Chong Die with B axle, and the first coordinatometer 1 and the second coordinatometer 2 are fixed to each other；
Step 2: the targeted vertebral body being located on backbone long axis is chosen in x ray photograph, and certain side posterior superior iliac spine line,
Sliding measurement body 3 both ends, make measure body 3 it is Chong Die with the line, then by measurement body 3 both ends respectively with the first coordinatometer 1
It is mutually fixed with the second coordinatometer 2, the first coordinatometer 1, the second coordinatometer 2 and measurement body 3 constitute orientation triangle at this time；
Step 3: being determined on after the ilium of patient two sides according to the body surface symbol of patient's lumbosacral region posterior superior iliac spine and spinous process
After ridge line and backbone long axis, the movement of noninvasive vertebra localization instrument is put to the patient's body surface, the first coordinatometer 1 and the second coordinatometer
2 are located on posterior superior iliac spine line and on backbone long axis；
Step 4: adjustment positioning body 5, makes positioning body 5 in the state of remaining parallel to measurement body 3, along the first coordinate
Ruler 1 slides into patient side posterior superior iliac spine position, and the joint of positioning body 5 and the second coordinatometer 2 projects patient body-surface at this time
Position be targeted vertebral body body surface location.
First coordinatometer 1 is the short ruler of hard metal material, is engraved structure, and specification chooses width 1cm, length 20cm.Second
Coordinatometer 2 is hard metal material long axis, is engraved structure, and specification chooses width 1cm, length 60cm.First coordinatometer 1 and second
Coordinatometer 2 is fixed by axle center and can 360 degree of plane internal rotations.Measuring body 3 is that specification chooses width 1cm, length 40cm, is hollow out
Structure.5 specification of positioning body chooses width 1cm, length 60cm, is engraved structure.
During concrete application, according in patient's preoperative planning x ray photograph spinal vertebral and pelvis image, choose two sides
Posterior superior iliac spine line and backbone long axis intersection point (about posterior superior iliac spine line midpoint) are used as vertex, position on X-ray film respectively
Side (by taking right side as an example) posterior superior iliac spine and targeted vertebral body (by taking first lumbar vertebra centrum as an example), fixed line a, with backbone long axis
B intersection, the first coordinatometer 1 is overlapped with line a, the second coordinatometer 2 is overlapped with line b.The first coordinatometer for measuring body 3 is connected
Fitting 7 is overlapped with posterior superior iliac spine, and after the measurement sliding of body connector 4 is overlapped with targeted vertebral body, thus fixation measuring body 3 first is sat
Scale 1, the second coordinatometer 2 and measurement body 3 constitute orientation triangle.
Position indicator movement is put to the patient's body surface, according to the body surface symbol of patient's lumbosacral region posterior superior iliac spine and spinous process,
After determining two sides posterior superior iliac spine line and backbone long axis intersection point and right side posterior superior iliac spine body surface symbol and giving label, by first
The placement of coordinatometer 1 fits in two sides posterior superior iliac spine line, while the placement of the second coordinatometer 2 fits in backbone long axis, because taking the photograph sheet body
Position is consistent with measurement position, and the patient's body surface mark is X-ray film in equal proportion amplification, therefore the first coordinatometer 1 and the second coordinatometer 2
The angle degree of formation is constant.Posterior superior iliac spine body is fixed on after first coordinatometer connector 7 of positioning body 5 is slided in short axle
After table mark, corresponding measurement body 3, positioning body 5 takes parallel position, and the joint of positioning body 5 and the second coordinatometer 2 projects patient
The position of body surface is the body surface location of targeted vertebral body.
The device is due to easy to operate, accurate positioning, is suitable for that vertebral body structure is normal and slight scoliosis patient centrum
Positioning can be completed in several minutes using simplicity, need before basic anatomy and image spinal operation can according to X-ray film and
Patient body-surface Anatomical orientation, can telltale mark operation related objective centrum in body surface.Can shooting X-ray film preoperative according to patient when
Position chooses suitable position and is marked positioning, and can Reusability, can also confirm when necessary through x-ray, to improve safety
Property.Measurement main body is connected with positioning body with sliding nested bearing, ingenious in design, it is ensured that is not easy to shift in operating process, be surveyed
Amount is accurate.For some slight scoliosis patients, it is adjusted since the long axis and short axle angle of positioning body are designed as activity,
Even if backbone long axis and bilateral posterior superior iliac spine line angle are not right angle, the accuracy for positioning and marking also is not influenced, it is above equal
It is the too late place of other localization methods.
The present invention be suitable for current clinical application the preoperative centrum of most of posterior spinal operation positioning, it both had with
The characteristics of vertebra localization instrument, and can be imaged under x-ray simultaneously, carry out further positioning confirmation.It is particularly suitable for lumbar vertebrae, thoracic vertebrae
The equal unconspicuous vertebra localization of body surface symbols.Size is applicable in adult at present.
Structure of the invention is although extremely simple, and positioning body and measurement main body are made even after line position placement location, using year-on-year
Example amplification principle structure, but play unexpected technical effect, clinical test results: with noninvasive vertebra localization instrument in
Body surface location marking centrum, positions through X-ray examination, almost consistent with practical centrum position (accuracy rate close to 100%), and can be anti-
Multiple to use, the multiple centrums of telltale mark significantly reduce patient and receive the ionization spoke in roentgen radiation x number and environment in sites
Pollution is penetrated, the workload of medical worker is reduced.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (3)
1. noninvasive vertebra localization instrument, it is characterized in that: including the first coordinatometer (1) and the second coordinatometer (2), first coordinate
One end of ruler (1) and one end of the second coordinatometer (2) are hinged, and measurement body (3) one end is connected on the first coordinatometer (1), and
The end can be slided along the axial direction of the first coordinatometer (1), and the other end of measurement body (3) is crossed the second coordinatometer (2), and one surveys
Amount body connector (4) one end is connect with the second coordinatometer (2), and the end can be slided along the axial direction of the second coordinatometer (2),
The other end for measuring body connector (4) is connect with measurement body (3), and the end can be slided along the axial direction of measurement body (3), and one
Positioning body (5) is arranged in parallel with measurement body (3), and positioning body (5) one end is connected on the first coordinatometer (1), positioning body (5) energy
It is slided along the axial direction of the first coordinatometer (1)；The other end of the positioning body (5) crosses the second coordinatometer (2), centainly
Position body connector (6) one end is connect with the second coordinatometer (2), and the end can be slided along the axial direction of the second coordinatometer (2),
Positioning body connector (6) other end is connect with positioning body (5), and the end can be slided along the axial direction of positioning body (5)；It is described
The first coordinatometer (1) can be fixed to each other with the second coordinatometer (2), between the measurement body (3) and the first coordinatometer (1),
Measure between body connector (4) and the second coordinatometer (2), measurement body connector (4) with measure between body (3), positioning body (5) and
Between first coordinatometer (1), between positioning body connector (6) and the second coordinatometer (2) and positioning body connector (6) and positioning
Body can be fixed to each other between (5)；Axially extending the first hollow slots (11), institute are provided on first coordinatometer (1)
It is provided with axially extending the second hollow slots (21) on the second coordinatometer (2) stated, is provided with axial direction on the measurement body (3)
The measurement body hollow slots (31) of extension are provided with axially extending positioning body hollow slots (51) on the positioning body (5), described
Measurement body (3), connect by the first coordinatometer connector (7) between positioning body (5) and the first coordinatometer (1), it is described
First coordinatometer connector (7) is by the first sliding block (71) for being slidably arranged in the first hollow slots (11) and passes through measurement body hollow out
Slot (31) or the first screw rod (72) of positioning body hollow slots (51) form, and are provided with the first screw hole on first sliding block (71)
(73), when the first screw rod (72) is not screwed into the first screw hole (73) bottom, the measurement body (3) and positioning body (5) are with
One coordinatometer (1) is slidably matched, and when the first screw rod (72) is screwed into the first screw hole (73) bottom, the first screw rod (72) and first is sat
Scale (1) cooperation, measurement body (3) and positioning body (5) are compressed, so that measurement body (3), positioning body (5) and the first coordinatometer
(1) it mutually fixes, the measurement body connector (4) and positioning body connector (6) are by being slidably arranged in the second hollow slots (21)
In the second sliding block (81) and pass through measurement body hollow slots (31) or positioning body hollow slots (51) the second screw rod (82) composition, institute
The second screw hole (83) are provided on the second sliding block (81) stated, when the second screw rod (82) is not screwed into the second screw hole (83) bottom,
The measurement body (3) and positioning body (5) is slidably matched with the second coordinatometer (2), when the second screw rod (82) is screwed into screw hole
(83) when bottom, the second screw rod (82) and the second coordinatometer (2) cooperation compress measurement body (3) and positioning body (5), so that
Measurement body (3), positioning body (5) are mutually fixed with the second coordinatometer (2).
2. noninvasive vertebra localization instrument according to claim 1, it is characterized in that: first coordinatometer (1), the second coordinate
Ruler (2), measurement body (3) and positioning body (5) are metal material production.
3. noninvasive vertebra localization instrument according to claim 1, it is characterized in that: first coordinatometer (1), the second coordinate
Ruler is provided with scale on (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710574522.6A CN107361856B (en) | 2017-07-14 | 2017-07-14 | Noninvasive vertebra localization instrument and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574522.6A CN107361856B (en) | 2017-07-14 | 2017-07-14 | Noninvasive vertebra localization instrument and its application method |
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| CN107361856B true CN107361856B (en) | 2019-01-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2099549U (en) * | 1991-08-03 | 1992-03-25 | 山东省医学影像学研究所 | Multifunctional x-ray somatic graph |
| CN2402261Y (en) * | 1999-12-01 | 2000-10-25 | 张红喜 | Patient positioning rule for X-ray diagnosis |
| EP1682018B1 (en) * | 2003-10-06 | 2016-10-05 | Mazor Robotics Ltd. | Bridge for use in performing spinal surgical procedure |
| CN202060852U (en) * | 2011-03-24 | 2011-12-07 | 江苏省中医院 | Femoral dynamic positioning device |
| US9375178B2 (en) * | 2013-07-12 | 2016-06-28 | Arthromeda, Inc. | Systems and methods for aligning a medical device with a pelvic axis |
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