CN110731811B - Spinal puncture positioning device - Google Patents
Spinal puncture positioning device Download PDFInfo
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- CN110731811B CN110731811B CN201911161957.3A CN201911161957A CN110731811B CN 110731811 B CN110731811 B CN 110731811B CN 201911161957 A CN201911161957 A CN 201911161957A CN 110731811 B CN110731811 B CN 110731811B
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- cross rod
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 11
- 230000003902 lesion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 208000018650 Intervertebral disc disease Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
- A61G13/101—Clamping means for connecting accessories to the operating table
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a spine puncture positioning device, which comprises a cross rod, wherein the bottom of the cross rod is provided with a clamping part used for fixing the edge of an operation bed, the top of the cross rod is provided with a first scale, the side surface of the cross rod, which is away from the clamping opening of the clamping part, is provided with two fixed blocks at intervals, a screw rod is rotatably penetrated on the two fixed blocks, a sliding block is arranged between the two fixed blocks, the sliding block is sleeved on the screw rod and is in threaded connection with the screw rod, one end of the sliding block, which faces towards the transverse plate, is also in sliding connection with the transverse plate, the top of the sliding block is provided with a first angle dial, and the center of a disc of the sliding block is rotatably provided with a vertical rod; the second scale is arranged on the vertical rod body, the first measuring cross rod, the second measuring cross rod and the third measuring cross rod are sequentially arranged on the vertical rod body in a sliding mode from bottom to top, and the first measuring cross rod, the second measuring cross rod and the third measuring cross rod are perpendicular to the vertical rod. The invention can perform angle positioning on the puncture needle, and improves the accurate positioning of the inclination angle of the puncture needle and the advancing depth of the puncture needle.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a spinal puncture positioning device.
Background
At present, when a medical staff performs lumbar disc puncture operation, the operation is required to be performed under CT guidance, in particular, a CT scanning is utilized to see the intervertebral disc, and a puncture route which enters the intervertebral disc through skin is marked on a CT work control station, wherein the puncture route comprises puncture points on skin, and the distance from the puncture points to the disc edge and the angle formed by the puncture route and the spinal horizontal line are included. The laser positioning lamp of CT can be used for marking the puncture point on the skin, the puncture needle is provided with scales, and the only bad grasp is the angle formed by the puncture needle and the spinal horizontal line.
The doctor usually performs a rough manual test by the inclination angle between lumbar vertebrae of the lesion part displayed on the CT work control station, and performs puncture according to the test. The operation is that the inclination angle between lumbar vertebrae is inaccurate, especially the doctor with less experience needs to repeatedly process for several times to puncture successfully, which increases the pain of patients and even affects the treatment effect of lumbar disc diseases.
The invention aims to solve the technical problem of providing a simple locator for lumbar disc puncture, which can accurately locate the inclination angle between lumbar vertebrae and assist in improving the success rate of lumbar disc puncture.
Disclosure of Invention
The invention aims to provide a spinal puncture positioning device which is used for positioning a puncture needle in an angle and improving the accurate positioning of the inclination angle of the puncture needle and the advancing depth of the puncture needle.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a backbone puncture positioner, includes the horizontal pole, the bottom of horizontal pole is provided with the clamping part that is used for fixed operation bedside, the top of horizontal pole is provided with first scale along its length mode, the horizontal pole deviates from the side of the clamping mouth place side of clamping part on the interval be provided with two fixed blocks, rotate on two fixed blocks and wear to be equipped with the lead screw, the one end of lead screw is located the outside of two fixed blocks to outside slip cap at this end is equipped with the rotation handle, the rotation handle is through first profile of tooth structure meshing connection lead screw, the outside of rotation handle is through the profile of tooth section of thick bamboo on this end fixed block of second profile of tooth structure meshing connection, just rotation handle and profile of tooth section of thick bamboo sliding connection; a sliding block is arranged between the two fixed blocks, the sliding block is sleeved on the screw rod and is in threaded connection with the screw rod, one end of the sliding block, which faces the transverse plate, is also in sliding connection with the transverse plate, a first angle dial is arranged at the top of the sliding block, and a vertical rod is arranged at the center of the disc in a rotating manner; the vertical rod is vertically arranged, a second scale is arranged on the rod body of the vertical rod, a first measuring cross rod, a second measuring cross rod and a third measuring cross rod are sequentially arranged on the rod body of the vertical rod in a sliding manner from bottom to top, and the first measuring cross rod, the second measuring cross rod and the third measuring cross rod are all perpendicular to the vertical rod;
The first measuring cross rod comprises a first cross rod fixing section and a first cross rod telescopic section, one end of the first cross rod fixing section is sleeved on the vertical rod through a first sliding sleeve, one end of the first cross rod telescopic section is inserted into the other end of the first cross rod fixing section in a sliding mode, a third scale is arranged on the first cross rod telescopic section, and a first locking piece for preventing sliding is arranged at the overlapping position of the first cross rod telescopic section and the first cross rod fixing section; the second measuring cross rod comprises a second cross rod fixing section and a second cross rod telescopic section, one end of the second cross rod fixing section is sleeved on the vertical rod through a second sliding sleeve, one end of the second cross rod telescopic section is inserted into the other end of the second cross rod fixing section in a sliding manner, a second locking piece for preventing sliding is arranged at the overlapping position of the second cross rod telescopic section and the second cross rod fixing section, a measuring pointer is rotatably arranged on the side face of the end part of the other end of the second cross rod telescopic section, the rotating axis is horizontally arranged and perpendicular to the second cross rod, the measuring pointer is of a telescopic structure, and a fourth scale is arranged on the length direction of the measuring pointer; the third measuring cross rod comprises a third cross rod fixing section and a third cross rod telescopic section, one end of the third cross rod fixing section is sleeved on the vertical rod through a third sliding sleeve, one end of the third cross rod telescopic section is inserted into the other end of the third cross rod fixing section in a sliding mode, a third locking piece for preventing sliding is arranged at the overlapped part of the third cross rod telescopic section and the third cross rod fixing section, a needle tube for penetrating a puncture needle is rotatably arranged on the side face of the other end of the third cross rod telescopic section, the rotation axis of the needle tube is horizontally arranged and perpendicular to the third cross rod, a sliding rod is arranged at one end, deviating from the second measuring cross rod, of the needle tube in a sliding mode, a fifth scale is arranged on the rod body of the sliding rod, and a clamping piece for clamping the puncture needle is arranged at one end, far away from the needle tube, of the fifth scale is arranged at the other end of the sliding rod body;
The parts of the first sliding sleeve, the second sliding sleeve and the third sliding sleeve, which are opposite to the first scale, are transparent.
Preferably, the clamping part comprises an L-shaped plate and a rotary rod, one side of the L-shaped plate is vertically fixed at the bottom of the cross rod, the plate surface of the other side of the L-shaped plate is opposite to the cross rod, the rotary rod spirally penetrates through the plate surface of the other side of the L-shaped plate, and two ends of the rotary rod are respectively positioned at two opposite sides of the plate surface of the other side of the L-shaped plate.
Preferably, a fourth locking piece for preventing the sliding rod from sliding relative to the needle tube is arranged on the sliding rod.
Preferably, an indicating pointer is arranged at one end of the vertical rod, which is close to the sliding block, and the indicating pointer is positioned right above the first angle dial and slightly higher than the first angle dial.
Preferably, the montant passes through the fixed shell and rotates and install on the slider, first angle calibrated scale sets up at the top of fixed shell, the fixed shell is worn to establish by the one end of montant, and stretches into in the fixed shell, and with the fixed shell passes through the bearing and rotates to be connected, and this one end is located the inboard one end of fixed shell through gear train meshing connection regulation pole, it passes through the bearing and rotates to connect the fixed shell to adjust the pole, its other end wear to the top of fixed shell.
Preferably, a first rotary table is detachably arranged on the side surface of the end part of the other end of the second cross bar telescopic section, a second angle dial is arranged on the surface of the first rotary table, and the rotation center of the measuring pointer is positioned at the center of the second angle dial; the end side face of the other end of the third cross rod telescopic section is detachably provided with a second rotary table, the disc face of the second rotary table is provided with a third angle dial, and the rotation center of the needle tube is located at the disc center of the third angle dial.
Preferably, the measuring pointer is detachably provided with a measuring rod, the measuring rod is arranged in parallel with the measuring pointer, one end of the measuring rod is connected with the side pointer, and the other end of the measuring rod extends to the position where the third measuring cross rod is located.
Compared with the prior art, the invention has the beneficial effects that:
The invention simulates the vertical height of a lesion part from a sickbed through the up-down sliding of a first measuring cross rod, simulates the horizontal distance of the lesion part from the cross rod through the up-down sliding of a second measuring cross rod, simulates the vertical distance of a puncture point from the sickbed through the up-down sliding of a second measuring cross rod, and the horizontal distance between the end part of the second measuring cross rod far away from a second sliding sleeve and the end part of the first measuring cross rod far away from the first sliding sleeve is the puncture route through the horizontal distance between the end part of the second measuring cross rod and the end part of the first measuring cross rod, the distance of the connecting route is the puncture depth, the included angle between the connecting route and the vertical direction is the inclination angle of a puncture needle during puncture, the distance and the angle of the connecting route are displayed through a measuring pointer, the inclination angle of a needle tube on a third measuring cross rod and the distance between a clamping piece are adjusted through the display of the measuring pointer, namely the puncture angle and the puncture depth of the puncture needle are obtained, the puncture needle is fixed through the clamping of the clamping piece, the puncture needle after the puncture point is fixed through the clamping of the clamping piece, the puncture angle of the puncture needle is enabled to be contacted with one end part far away from the second measuring cross rod, and the end part far away from the second measuring cross rod is far away from the end part, the end part of the first measuring cross rod is enabled to be rotated to be the puncture plane, and then the puncture needle is rotated to be the puncture point at the puncture plane, and can be rotated to point a puncture needle point when the puncture needle is measured, and can be rotated to point at the puncture angle is the puncture plane, and can be measured to point when the puncture needle is rotated to point is measured and can and then the puncture point is rotated to point when the puncture position is measured and has been rotated and the puncture angle and has been rotated and the puncture distance and the puncture needle; in a summary of the present invention it is known that, the invention can perform more accurate puncture on spinal puncture, avoids pain to patients caused by repeated puncture, and has high puncture efficiency and better practicability.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a partial view of fig. 2.
In the figure: the cross rod 1, the first scale 2, the fixed block 3, the screw rod 4, the rotating handle 5, the tooth cylinder 6, the sliding block 7, the fixed shell 8, the vertical rod 9, the gear disc 10, the adjusting rod 11, the second scale 12, the first sliding sleeve 13, the first locking piece 14, the first measuring cross rod 15, the first locking piece 16, the second sliding sleeve 17, the second locking piece 18, the second measuring cross rod 19, the second locking piece 20, the third sliding sleeve 21, the third locking piece 22, the third measuring cross rod 23, the third locking piece 24, the first angle scale 25, the L-shaped side 26, the L-shaped side 27, the rotating rod 28, the measuring pointer 29, the fourth scale 30, the second angle scale 31, the needle tube 32, the third angle scale 33, the sliding rod 34, the fifth scale 35, the clamping piece 36, the puncture needle 37 and the needle handle 38.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a backbone puncture positioner, includes horizontal pole 1, the bottom of horizontal pole 1 is provided with the clamping part that is used for fixing the operation table limit to make this device fix at the operation table limit through clamping part, in this embodiment, clamping part includes L template and dwang 28, the L type of L template is on one side 26 vertical fixation in the bottom of horizontal pole 1, the face of L type another side 27 just sets up to horizontal pole 1, dwang 28 spiral wears to establish the face of L type another side 27, its both ends are located respectively the opposite both sides of the face of L type another side 27 of L type template, impels it to be located the one end tip butt operation table bottom between L type another side 27 face of L type template and the horizontal pole 1 through the rotation of dwang 28 relative to L type board, thereby realizes this device's fixation; preferably, the clamping parts are provided at both ends in the length direction of the cross bar 1.
The top of the cross rod 1 is provided with a first scale 2 along the length mode, two fixed blocks 3 are arranged on the side surface of the side, where the clamping opening of the cross rod 1 is away from the clamping part, of the cross rod 1 at intervals, a screw rod 4 is rotatably arranged on the two fixed blocks 3 in a penetrating mode, one end of the screw rod 4 is positioned on the outer side of the two fixed blocks 3, a rotating handle 5 is slidably sleeved outside the end, the rotating handle 5 is meshed with the screw rod 4 through a first tooth-shaped structure, the outer part of the rotating handle 5 is meshed with a tooth-shaped cylinder 6 on the fixed block 3 at the end through a second tooth-shaped structure, and the rotating handle 5 is slidably connected with the tooth-shaped cylinder 6; the sliding block 7 is arranged between the two fixed blocks 3, the sliding block 7 is sleeved on the screw rod 4 and is in threaded connection with the screw rod 4, one end of the sliding block 7 facing the transverse plate is also in sliding connection with the transverse plate, a first angle dial 25 is arranged at the top of the sliding block 7, a vertical rod 9 is rotatably arranged at the center of the disc, the sliding block 7 is driven to rotate along the direction of the first scale 2 by rotating the sliding block 4 relative to the rotation of the fixed block 3 after the toothed drum 6 is separated from the toothed drum 5, the vertical rod 9 is driven to slide along the direction of the first scale 2, then the toothed drum 6 is meshed and connected by the rotating handle 5, the rotating handle 5 is fixed relative to the fixed block 3, the vertical rod 9 is further driven not to slide relative to the transverse rod 1, and the pathological change position is conveniently known by the arrangement of the first scale 2, so that the vertical rod 9 is convenient to move relative to the transverse rod 1. Preferably, an indication pointer is arranged at one end of the vertical rod 9, which is close to the sliding block 7, and the indication pointer is located right above the first angle dial 25 and slightly higher than the first angle dial 25, so as to know the rotating angle of the vertical rod 9. The montant 9 rotates through fixed shell 8 and installs on slider 7, first angle calibrated scale 25 sets up at the top of fixed shell 8, fixed shell 8 is worn to establish by the one end of montant 9, and stretches into in the fixed shell 8, and with fixed shell 8 passes through the bearing and rotates to be connected, and this one end is passed through gear train 10 meshing and is connected the one end that adjusts pole 11 and be located the fixed shell 8 inboard, adjust pole 11 and pass through the bearing and rotate and connect fixed shell 8, its other end wear to the top of fixed shell 8 to be locked after making montant 9 rotate.
The vertical pole 9 is vertically placed, a second scale 12 is arranged on the pole body of the vertical pole 9, a first measuring cross rod 151, a second measuring cross rod 191 and a third measuring cross rod 231 are sequentially arranged on the pole body of the vertical pole 9 in a sliding manner from bottom to top, and the first measuring cross rod 151, the second measuring cross rod 191 and the third measuring cross rod 231 are all perpendicular to the vertical pole 9.
The first measuring cross rod 151 comprises a first cross rod 1 fixing section and a first cross rod 1 telescopic section, one end of the first cross rod 1 fixing section is sleeved on the vertical rod 9 through a first sliding sleeve 13, one end of the first cross rod 1 telescopic section is inserted into the other end of the first cross rod in a sliding manner, a third scale is arranged on the first cross rod 1 telescopic section, and a first locking piece 16 for preventing sliding is arranged at the overlapping position of the first scale and the first cross rod 1 fixing section; the first measuring cross rod 151 is used for simulating and indicating the position of the lesion site, wherein the height of the lesion site is known through the CT, the first measuring cross rod 151 slides up and down along the rod body of the vertical rod 9 to the corresponding position, the position of the first measuring cross rod is fixed through the first locking piece 16, the position of the first measuring cross rod is determined through the second scale 12, and the third scale on the first measuring cross rod 151 is used for matching the horizontal distance from the puncture point on the CT to the lesion site.
The second measuring cross rod 191 comprises a second cross rod 1 fixed section and a second cross rod 1 telescopic section, one end of the second cross rod 1 fixed section is sleeved on the vertical rod 9 through a second sliding sleeve 17, one end of the second cross rod 1 telescopic section is inserted in a sliding manner, a second locking piece 20 for preventing sliding is arranged at the overlapping position of the second cross rod 1 telescopic section and the second cross rod 1 fixed section, a measuring pointer 29 is rotatably arranged on the side face of the end part of the other end of the second cross rod 1 telescopic section, the rotation axis is horizontally arranged and is perpendicular to the second cross rod 1, the measuring pointer 29 is of a telescopic structure, and a fourth scale 30 is arranged on the length direction of the measuring pointer 29; the horizontal position of the puncture point is simulated and determined through the second measurement cross rod 191, when the device is used, the end part of the second cross rod 1, which is far away from the first end part of the first measurement cross rod 151, is horizontally aligned and contacts with the puncture point marked on a patient through the telescopic action, when the second measurement cross rod 191 and the first measurement cross rod 151 are positioned on the same plane, the plane is not the plane where the puncture point and the lesion part are positioned, the telescopic length of the first measurement cross rod 151 is equal to the horizontal distance from the lesion part to the vertical rod 9, the telescopic length of the second measurement cross rod 191 is equal to the horizontal distance from the puncture point to the vertical rod 9, at the moment, the distance from the end part of the second measurement cross rod 191, which is far away from the second sliding sleeve 17, to the end part of the first measurement cross rod 151, which is far away from the first sliding sleeve 13 is the puncture depth, and the distance from the end part of the second measurement cross rod 191, which is far away from the first sliding sleeve 13 is the puncture needle, is the rotation center of the measurement cross rod 29, is respectively positioned on the same as the second measurement cross rod, and the rotation center of the first dial disc surface 31 is arranged, and the second dial disc 31 is convenient to detach, and the distance from the second dial disc is required to be the second dial disc is provided, and the second dial disc is provided with the second dial disc 31, the second dial disc has the required angle is the second dial disc has the angle and the second dial and the angle has the second dial.
The third measuring cross bar 231 comprises a third cross bar 1 fixing section and a third cross bar 1 telescopic section, one end of the third cross bar 1 fixing section is sleeved on the vertical bar 9 through a third sliding sleeve 21, one end of the third cross bar 1 telescopic section is inserted into the other end of the third cross bar 1 telescopic section in a sliding manner, a third locking piece 24 for preventing sliding is arranged at the overlapping position of the third cross bar 1 telescopic section and the third cross bar 1 fixing section, a needle tube 32 for a puncture needle 37 to penetrate is rotatably arranged on the side surface of the other end of the third cross bar 1 telescopic section, the rotation axis is horizontally arranged and perpendicular to the third cross bar 1, a sliding bar 34 is slidably arranged at one end of the needle tube 32, which is far away from the second measuring cross bar 191, the sliding direction is the length direction of the needle tube 32, a fifth scale 35 is arranged on the rod body of the sliding bar 34, and a clamping piece 36 for clamping the puncture needle 37 is arranged at one end of the sliding bar 34; the third measuring cross bar 231 is used for installing and fixing the puncture needle 37, and positioning the puncture needle 37, specifically, the distance between the third measuring cross bar 231 and the second measuring cross bar 191 is smaller than the length of the puncture needle 37 through the sliding of the third sliding sleeve 21 relative to the vertical bar 9, the inclination angle between the third measuring cross bar 231 and the puncture needle 29 is equal to the inclination angle between the third measuring cross bar 231 and the second measuring cross bar 191 through the rotation of the needle tube 32 relative to the third measuring cross bar 231, the needle tube 32 and the measuring needle 29 are positioned on the same straight line through the extension and retraction of the third measuring cross bar 231, the puncture needle 37 passes through the needle tube 32, the needle handle 38 is clamped by the clamping piece 36, the clamping piece 36 can be in a clamp structure, the distance between the clamping piece 36 and the needle tube 32 is equal to the length displayed by the fourth scale 30 on the measuring needle 29, at the moment, the distance between the third measuring cross bar 231 and the second measuring cross bar 191 can be adjusted to enable the needle head of the puncture needle 37 to face the end of the second measuring cross bar 191, the needle 9 is rotated to face the puncture needle point of a patient, namely positioning is completed, when the puncture needle 37 is pushed to push the puncture needle 37 to the puncture needle 37, and the puncture needle 37 is penetrated into the body, and the puncture part 37 is positioned inside the patient. Preferably, in order to accurately know the rotation angle of the needle tube 32, a second rotary table is detachably arranged on the side surface of the end part of the other end of the telescopic section of the third cross bar 1, a third angle dial 33 is arranged on the surface of the second rotary table, and the rotation center of the needle tube 32 is positioned at the center of the third angle dial 33. Further, a fourth locking member for preventing the sliding rod 34 from sliding relative to the needle tube 32 is provided on the sliding rod 34, so that the distance between the clamping member 36 and the needle tube 32 is fixed, and when the puncture is required, the fourth locking member is unlocked, so that the sliding rod 34 can slide relative to the needle tube 32.
The parts of the first sliding sleeve 13, the second sliding sleeve 17 and the third sliding sleeve 21, which are opposite to the first scale 2, are transparent so as to know the moving heights of the first measuring cross rod 151, the second measuring cross rod 191 and the third measuring cross rod 231, preferably, each scale mark of the first scale 2 surrounds the circumference of the vertical rod 9, the first sliding sleeve 13 is provided with a first locking piece 14 preventing the first scale from sliding, the second sliding sleeve 17 is provided with a second locking piece 18 preventing the second scale from sliding, and the third sliding sleeve 21 is provided with a third locking piece 22 preventing the third scale from sliding.
Preferably, in another embodiment of the present invention, the measuring pointer 29 is detachably provided with a measuring rod, and the measuring rod is parallel to the measuring pointer 29, one end of the measuring rod is connected to the side pointer, and the other end of the measuring rod extends to the position of the third measuring cross bar 231, so that the needle tube 32 is measured by the measuring rod and is aligned with the measuring pointer 29.
In the present invention, the first locking member 16, the second locking member 20, the third locking member 24 and the fourth locking member are screw extrusion locking structures, and other structures are also possible.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a backbone puncture positioner, includes the horizontal pole, the bottom of horizontal pole is provided with the clamping part that is used for fixed operation bedside, its characterized in that: the top of the cross rod is provided with a first scale along the length mode, two fixing blocks are arranged on the side face of the side, where the clamping opening of the cross rod is away from the clamping part, of the cross rod at intervals, screw rods are rotatably arranged on the two fixing blocks in a penetrating mode, one end of each screw rod is located on the outer sides of the two fixing blocks, a rotating handle is sleeved outside the end of each screw rod in a sliding mode, the rotating handle is meshed with the screw rods through a first tooth-shaped structure, the outer part of each rotating handle is meshed with a tooth-shaped cylinder on the fixing block at the end through a second tooth-shaped structure, and the rotating handle is in sliding connection with the tooth-shaped cylinder; a sliding block is arranged between the two fixed blocks, the sliding block is sleeved on the screw rod and is in threaded connection with the screw rod, one end of the sliding block, which faces the transverse plate, is also in sliding connection with the transverse plate, a first angle dial is arranged at the top of the sliding block, and a vertical rod is arranged at the center of the disc in a rotating manner; the vertical rod is vertically arranged, a second scale is arranged on the rod body of the vertical rod, a first measuring cross rod, a second measuring cross rod and a third measuring cross rod are sequentially arranged on the rod body of the vertical rod in a sliding manner from bottom to top, and the first measuring cross rod, the second measuring cross rod and the third measuring cross rod are all perpendicular to the vertical rod;
The first measuring cross rod comprises a first cross rod fixing section and a first cross rod telescopic section, one end of the first cross rod fixing section is sleeved on the vertical rod through a first sliding sleeve, one end of the first cross rod telescopic section is inserted into the other end of the first cross rod fixing section in a sliding mode, a third scale is arranged on the first cross rod telescopic section, and a first locking piece for preventing sliding is arranged at the overlapping position of the first cross rod telescopic section and the first cross rod fixing section; the second measuring cross rod comprises a second cross rod fixing section and a second cross rod telescopic section, one end of the second cross rod fixing section is sleeved on the vertical rod through a second sliding sleeve, one end of the second cross rod telescopic section is inserted into the other end of the second cross rod fixing section in a sliding manner, a second locking piece for preventing sliding is arranged at the overlapping position of the second cross rod telescopic section and the second cross rod fixing section, a measuring pointer is rotatably arranged on the side face of the end part of the other end of the second cross rod telescopic section, the rotating axis is horizontally arranged and perpendicular to the second cross rod, the measuring pointer is of a telescopic structure, and a fourth scale is arranged on the length direction of the measuring pointer; the third measuring cross rod comprises a third cross rod fixing section and a third cross rod telescopic section, one end of the third cross rod fixing section is sleeved on the vertical rod through a third sliding sleeve, one end of the third cross rod telescopic section is inserted into the other end of the third cross rod fixing section in a sliding mode, a third locking piece for preventing sliding is arranged at the overlapped part of the third cross rod telescopic section and the third cross rod fixing section, a needle tube for penetrating a puncture needle is rotatably arranged on the side face of the other end of the third cross rod telescopic section, the rotation axis of the needle tube is horizontally arranged and perpendicular to the third cross rod, a sliding rod is arranged at one end, deviating from the second measuring cross rod, of the needle tube in a sliding mode, a fifth scale is arranged on the rod body of the sliding rod, and a clamping piece for clamping the puncture needle is arranged at one end, far away from the needle tube, of the fifth scale is arranged at the other end of the sliding rod body;
the parts of the first sliding sleeve, the second sliding sleeve and the third sliding sleeve, which are opposite to the first scale, are transparent;
The vertical rod is rotatably arranged on the sliding block through the fixed shell, the first angle dial is arranged at the top of the fixed shell, one end of the vertical rod penetrates through the fixed shell and extends into the fixed shell and is rotatably connected with the fixed shell through a bearing, one end of the vertical rod is meshed with one end of the adjusting rod, which is positioned at the inner side of the fixed shell, through a gear set, the adjusting rod is rotatably connected with the fixed shell through a bearing, and the other end of the adjusting rod penetrates above the fixed shell;
the side surface of the end part of the other end of the second cross rod telescopic section is detachably provided with a first rotary table, the surface of the first rotary table is provided with a second angle dial, and the rotation center of the measuring pointer is positioned at the center of the second angle dial; the end side face of the other end of the third cross rod telescopic section is detachably provided with a second rotary table, the disc face of the second rotary table is provided with a third angle dial, and the rotation center of the needle tube is located at the disc center of the third angle dial.
2. The spinal needle positioning device of claim 1, wherein: the clamping part comprises an L-shaped plate and a rotating rod, one side of the L-shaped plate is vertically fixed at the bottom of the cross rod, the plate surface of the other side of the L-shaped plate is opposite to the cross rod, the rotating rod spirally penetrates through the plate surface of the other side of the L-shaped plate, and two ends of the rotating rod are respectively positioned on two opposite sides of the plate surface of the other side of the L-shaped plate.
3. The spinal needle positioning device of claim 1, wherein: the sliding rod is provided with a fourth locking piece for preventing the sliding rod from sliding relative to the needle tube.
4. The spinal needle positioning device of claim 1, wherein: the one end that the montant is close to the slider is provided with the instruction pointer, the instruction pointer is located directly over the first angle calibrated scale, and slightly higher than the first angle calibrated scale.
5. The spinal needle positioning device of claim 1, wherein: the measuring pointer is detachably provided with a measuring rod, the measuring rod is arranged in parallel with the measuring pointer, one end of the measuring rod is connected with the measuring pointer, and the other end of the measuring rod extends to the position where the third measuring cross rod is located.
6. The spinal needle positioning device of claim 1, wherein: the first sliding sleeve is provided with a first locking piece preventing the first sliding sleeve from sliding, the second sliding sleeve is provided with a second locking piece preventing the second sliding sleeve from sliding, and the third sliding sleeve is provided with a third locking piece preventing the third sliding sleeve from sliding.
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| CN201911161957.3A CN110731811B (en) | 2019-11-25 | 2019-11-25 | Spinal puncture positioning device |
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| CN105212996B (en) * | 2015-10-15 | 2017-10-24 | 胡金玺 | Lumbar intervertebral aperture mirror and Thoracolumbar disk percutaneous cervical arc root screw puncture positioning guider and its Needle localization method |
| CN105708528B (en) * | 2016-04-15 | 2018-11-13 | 南京医科大学第一附属医院 | A kind of intervertebral foramen guide device |
| CN206463045U (en) * | 2016-08-30 | 2017-09-05 | 泰安市中心医院 | Foramen intervertebrale lens operation body surface targeting localised puncture device |
| CN109009357A (en) * | 2018-09-10 | 2018-12-18 | 李国胜 | A kind of intervertebral foramen of lumbar vertebra videoendoscopic surgery puncture positioning device and its application method |
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