CN115317095A - Puncture positioning guide device for neurosurgery - Google Patents
Puncture positioning guide device for neurosurgery Download PDFInfo
- Publication number
- CN115317095A CN115317095A CN202210977389.XA CN202210977389A CN115317095A CN 115317095 A CN115317095 A CN 115317095A CN 202210977389 A CN202210977389 A CN 202210977389A CN 115317095 A CN115317095 A CN 115317095A
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- sliding
- block
- rod
- fixedly connected
- cavity
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- 238000009434 installation Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 2
- 210000004556 brain Anatomy 0.000 description 11
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000005013 brain tissue Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001037 epileptic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 210000001428 peripheral nervous system Anatomy 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
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Classifications
-
- 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
- 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
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
-
- 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)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Neurosurgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention belongs to the technical field of sampling devices, and particularly relates to a puncture positioning and guiding device for neurosurgery, which comprises a fixed frame, wherein an angle adjusting mechanism is provided with a C-shaped rod, the middle part of a sliding block is provided with a sliding rod in a sliding manner, a through hole is positioned between a driving wheel and a driven wheel, one end of a rotating rod extends into an inner cavity and is provided with a coil spring, one end of the rotating rod extends into an installation groove and is fixedly connected with a friction block, the sliding rod extends into the installation groove and is fixedly connected with a butting block matched with the friction block, a rebound mechanism is arranged between a sliding plate and the inner wall of one side of a sliding cavity far away from the installation groove, a first spring is fixedly connected with a sealing block which is assembled in a step hole in a sliding manner in a sealing manner, and a catheter is provided with a connecting pipe communicated with the inner wall of one side of the sliding cavity near the installation groove.
Description
Technical Field
The invention belongs to the technical field of sampling devices, and particularly relates to a puncture positioning guide device for neurosurgery.
Background
Neurosurgery is to study human nervous system, such as brain, spinal cord and peripheral nervous system, it is more common that the brain is impaired in neurosurgery of hospital, wherein the cerebral hemorrhage in the brain is more serious, need to operate at brain hole, then stab the puncture tube into the brain, draw extravasated blood in the brain, need to use guider to guide the location to the pipe when puncture the tube, make the puncture tube can directly pass through the hole and get into the brain, in the actual operation process, the head operation may cause the patient to twitch or epileptic, the violent shake takes place for the body, therefore need to fix the patient's head, however if the patient's head fixed effect is not good, or take place to become flexible, because the patient's body shakes, the pipe easily causes the damage to the brain tissue in the patient's brain, therefore it is necessary to design a guider that can automatically draw the pipe out the patient's brain when patient's body takes place violent shake.
Disclosure of Invention
The purpose of the invention is: aims to provide a puncture positioning guide device for neurosurgery, which is used for solving the problems in the background technology.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a puncture positioning guide device for neurosurgery comprises a fixed frame, wherein the fixed frame is provided with an angle adjusting mechanism, the angle adjusting mechanism is provided with a C-shaped rod, the C-shaped rod is provided with a sliding block in a sliding way, and the middle part of the sliding block is provided with a sliding rod in a sliding way; the lower end of the sliding rod is provided with an installation block, a cavity is arranged in the installation block, a follower wheel is rotatably assembled on the back side in the cavity, a rotating rod is rotatably assembled on the front side in the cavity, the surface of the rotating rod is fixedly connected with a driving wheel, the installation block is provided with a through hole communicated with the cavity in a penetrating manner from top to bottom, the through hole is positioned between the driving wheel and the follower wheel, an inner cavity is arranged on the right side of the installation block, one end of the rotating rod extends into the inner cavity and is assembled with a coil spring, and the rotating rod penetrates through the inner cavity and extends out of the installation block and then is fixedly connected with the rotating block; the left side of the installation block is provided with an installation groove, one end of the rotating rod extends into the installation groove and is fixedly connected with a friction block, a sliding cavity is arranged in the installation block, a sliding plate is assembled in the sliding cavity in a sliding sealing mode, a sliding hole communicated with the installation groove is formed in the inner wall of the sliding cavity, a sliding rod fixedly connected with the sliding plate is assembled in the sliding hole in a sliding sealing mode, the sliding rod extends into the installation groove and is fixedly connected with a butting block matched with the friction block, a rebound mechanism is arranged between the sliding plate and the inner wall of the sliding cavity on the side far away from the installation groove, and the elasticity of the rebound mechanism is larger than the stretching acting force of the coil spring; the C shape pole left and right sides all slides and is equipped with the locating lever, the relative one side of locating lever all is equipped with the step hole, the downthehole first spring of fixedly connected with of step, first spring fixedly connected with sliding seal assembles at the downthehole sealed piece of step, two the relative one side of sealed piece all is equipped with the ejector pin that stretches out the step hole, sealed piece and step hole are kept away from and are annotated hydraulic oil, two between the ejector pin one side inner wall one side is kept away from each other in the step hole and communicate each other and be equipped with the pipe, the pipe is equipped with and slides the connecting pipe that the chamber is close to mounting groove one side inner wall intercommunication.
The angle adjusting mechanism is including two fixing bases, C shape pole rotation assembly is between two fixing bases, one of them be equipped with the turn trough in the fixing base, the turn trough internal rotation be equipped with C shape pole fixed connection's pivot, pivot fixedly connected with gear, be equipped with the spout with the turn trough intercommunication in the C shape pole, it is equipped with the rack with gear engagement to slide in the spout, C shape pole be equipped with rack assorted slip subassembly.
The sliding assembly comprises a screw, a limiting groove is formed in the bottom of the sliding groove, the screw is in threaded connection with a linkage block fixedly connected with the rack, and one end of the screw extends out of the fixing frame and is fixedly connected with a first handle.
The back side of the sliding block is in threaded connection with a first threaded abutting piece abutted to the C-shaped rod, and the front side of the sliding block is in threaded connection with a second threaded abutting piece abutted to the sliding rod.
The C-shaped rod left and right sides all is equipped with the fixed block, two the equal threaded connection of fixed block has the third screw thread of butt with the locating lever to support the piece.
The rebounding mechanism comprises two second springs, and two ends of the second springs are fixedly connected with the inner wall of one side, away from the installation groove, of the sliding cavity and the sliding plate respectively.
The upper side and the lower side of the sliding cavity are both provided with fixing rods, the upper side and the lower side of the sliding plate are both connected with the fixing rods in a sliding sealing mode, and the two second springs are respectively sleeved on the outer surfaces of the fixing rods.
The mount left and right sides all is equipped with L shape spare, two the equal threaded connection of L shape spare has the threaded rod, two the equal fixedly connected with second handle of threaded rod lower extreme.
The invention has simple structure and reasonable design, can monitor the swing of the body of a patient in the operation process in real time, can automatically stretch the driving wheel to rotate through the coil spring when the swing amplitude of the body of the patient is overlarge, and can quickly draw the puncture tube out of the brain of the patient without additional operation of medical personnel, thereby effectively protecting the brain of the patient and preventing the damage of the puncture tube to the brain tissue caused by the swing of the body of the patient in the operation process.
Drawings
The invention is further illustrated by the non-limiting examples given in the figures.
FIG. 1 is a schematic structural view of an embodiment of a positioning and guiding device for neurosurgery according to the present invention;
FIG. 2 is a schematic sectional view of a positioning and guiding device for neurosurgical puncture according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic cross-sectional view of a C-shaped rod and a positioning rod of an embodiment of the guiding device for positioning and puncturing in neurosurgery according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a first schematic sectional view of a mounting block of an embodiment of a positioning and guiding device for neurosurgical applications;
FIG. 7 is a schematic sectional view of a mounting block of an embodiment of a positioning and guiding device for neurosurgery according to the present invention;
FIG. 8 is a third schematic sectional view of a mounting block of an embodiment of the positioning and guiding device for neurosurgery according to the present invention;
FIG. 9 is a schematic structural view of a puncture rod assembled on an embodiment of the positioning and guiding device for neurosurgery of the invention;
the main element symbols are as follows:
the device comprises a fixed frame 1, a C-shaped rod 11, a sliding block 12, a sliding rod 13, a mounting block 2, a cavity 21, a follower wheel 22, a rotating rod 23, a driving wheel 24, a through hole 25, an inner cavity 26, a coil spring 27, a rotating block 28, a mounting groove 3, a friction block 31, a sliding cavity 32, a sliding plate 33, a sliding hole 34, a sliding rod 35, an abutting block 36, a positioning rod 4, a step hole 41, a first spring 42, a sealing block 43, a push rod 44, a guide pipe 45, a connecting pipe 46, a fixed seat 5, a rotating groove 51, a rotating shaft 52, a gear 53, a sliding groove 54, a rack 55, a screw rod 56, a limiting groove 57, a linkage block 58, a first handle 59, a first threaded abutting piece 6, a second threaded abutting piece 61, a fixed block 62, a third threaded abutting piece 63, a second spring 64, a fixed rod 65, an L-shaped piece 7, a threaded rod 71 and a second handle 72.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in figures 1-9, the puncture positioning and guiding device for neurosurgery of the invention comprises a fixed frame 1, wherein the fixed frame 1 is provided with an angle adjusting mechanism, the angle adjusting mechanism is provided with a C-shaped rod 11, the C-shaped rod 11 is provided with a sliding block 12 in a sliding way, and the middle part of the sliding block 12 is provided with a sliding rod 13 in a sliding way; the lower end of the sliding rod 13 is provided with an installation block 2, a cavity 21 is arranged in the installation block 2, a follower wheel 22 is rotatably assembled on the back side in the cavity 21, a rotating rod 23 is rotatably assembled on the front side in the cavity 21, the surface of the rotating rod 23 is fixedly connected with a driving wheel 24, the installation block 2 is provided with a through hole 25 communicated with the cavity 21 in a penetrating manner from top to bottom, the through hole 25 is positioned between the driving wheel 24 and the follower wheel 22, the right side of the installation block 2 is provided with an inner cavity 26, one end of the rotating rod 23 extends into the inner cavity 26 and is assembled with a coil spring 27, and the rotating rod 23 penetrates through the inner cavity 26 and extends out of the installation block 2 and then is fixedly connected with a rotating block 28; the left side of the installation block 2 is provided with an installation groove 3, one end of the rotating rod 23 extends into the installation groove 3 and is fixedly connected with a friction block 31, a sliding cavity 32 is arranged in the installation block 2, a sliding plate 33 is assembled in the sliding cavity 32 in a sliding sealing manner, the inner wall of the sliding cavity 32 is provided with a sliding hole 34 communicated with the installation groove 3, a sliding rod 35 fixedly connected with the sliding plate 33 is assembled in the sliding hole 34 in a sliding sealing manner, the sliding rod 35 extends into the installation groove 3 and is fixedly connected with an abutting block 36 matched with the friction block 31, a rebound mechanism is arranged between the sliding plate 33 and the inner wall of the side, far away from the installation groove 3, of the sliding cavity 32, and the elastic force of the rebound mechanism is larger than the stretching acting force of the coil spring 27; the left and right sides of the C-shaped rod 11 are all slidably assembled with a positioning rod 4, one side opposite to the positioning rod 4 is provided with a step hole 41, a first spring 42 is fixedly connected in the step hole 41, a first spring 42 is fixedly connected with a sealing block 43 which is slidably and hermetically assembled in the step hole 41, one side opposite to the two sealing blocks 43 is provided with an ejector rod 44 extending out of the step hole 41, the sealing block 43 and the step hole 41 are far away from the inner wall on one side of the ejector rod 44 and are filled with hydraulic oil, one side, which is far away from the two step holes 41, of the two step holes 41 are mutually communicated and provided with a guide pipe 45, and the guide pipe 45 is provided with a connecting pipe 46 communicated with the inner wall on one side, close to the mounting groove 3, of the sliding cavity 32.
Fixing the fixing frame 1 on an operating table, positioning the head of a patient in the middle of the fixing frame 1, adjusting the C-shaped rod 11 by a medical staff through an adjusting mechanism at the moment, adjusting the position of the slide block 12 relative to the C-shaped rod 11 until the position of the through hole 25 is matched with the position of a hole in the head of the patient, sliding the slide rod 13 to drive the mounting block 2 to approach to the hole position until the mounting block 2 contacts the head of the patient, aligning the through hole 25 with the hole position, positioning the puncture tube into the cavity 21 through the through hole 25 at the upper side between the follower wheel 22 and the driving wheel 24 by the medical staff, rotating the brick 28 to drive the rotating rod 23 to rotate, driving the sealing block 31 to overcome the friction force between the abutting blocks 36 when the rotating rod 23 rotates, driving the driving wheel 24 to rotate and the coil spring 27 to contract, the puncture tube is driven to move downwards by the rotation of the driving wheel 24 and gradually extend into the hole of the head of the patient, the rotation of the rotating block 28 is stopped until the puncture tube extends into a proper position, at the moment, the abutting block 36 is always abutted against the surface of the friction block 31 through the extension of the rebound mechanism and the force transmission of the sliding plate 33 and the sliding rod 35, so that the friction block 31 cannot rotate, the rotating rod 23 and the driving wheel 24 cannot rotate due to the extension of the coil spring 27, then medical personnel can respectively slide the positioning rods 4 at two sides, so that the two ejector rods 44 at the opposite sides of the two positioning rods 4 are close to the head of the patient, a gap of 0.5cm-1cm is formed between the ejector rods 44 and the head of the patient, and then normal treatment work can be carried out;
when the head of a patient shakes violently and one of the push rods 44 is impacted, the push rod 44 drives the sealing block 43 to slide in the stepped hole 41, the first spring 42 is compressed, the sealing block 43 presses hydraulic oil in the stepped hole 41 into the guide pipe 45 in the sliding process and enters the connecting pipe 46 through the guide pipe 45, the connecting pipe 46 injects the hydraulic oil into the sliding cavity 32, so that the sliding plate 33 is driven to slide in the sliding cavity 32, the rebound mechanism is compressed, the sliding plate 33 drives the abutting block 36 to move towards the side far away from the friction block 31 through the sliding rod 35, the abutting block 36 cancels the limit on the friction block 31, the rotating rod 23 is driven to rotate reversely through the stretching of the coil spring 27 at the moment, the rotating rod 23 drives the driving wheel 24 to rotate reversely, the puncture tube is driven to move upwards quickly when the reverse wheel 24 rotates reversely, so that the puncture tube is pulled out of the head of the patient quickly, and the puncture tube can be pulled out automatically and quickly when the body of the patient shakes violently, and the puncture tube can not damage the brain tissue of the patient when the body shakes;
when the head of a patient does not contact with the push rod 44, the sliding plate 33 is driven to reset under the stretching action of the rebound mechanism, the sliding plate 33 enables the abutting block 36 to rub and limit the friction block 31 again through the sliding rod 35, the sliding plate 33 presses hydraulic oil entering the sliding cavity 32 into the connecting pipe 46 and flows into the stepped hole 41 through the guide pipe 45, the first spring 42 in the stepped hole 41 stretches to drive the sealing block 43 to slide and reset, and therefore the push rod 44 is driven to extend out of the stepped hole 41 to reset.
The angle adjusting mechanism comprises two fixing seats 5, a C-shaped rod 11 is rotatably assembled between the two fixing seats 5, a rotating groove 51 is arranged in one fixing seat 5, a rotating shaft 52 fixedly connected with the C-shaped rod 11 is rotatably assembled in the rotating groove 51, a gear 53 is fixedly connected with the rotating shaft 52, a sliding groove 54 communicated with the rotating groove 51 is arranged in the C-shaped rod 11, a rack 55 meshed with the gear 53 is slidably assembled in the sliding groove 54, and a sliding assembly matched with the rack 55 is assembled on the C-shaped rod 11.
When the rack 55 slides back and forth, the gear 53 can be driven to rotate in two directions respectively, when the gear 53 rotates in the forward direction, the C-shaped rod 11 can be driven to rotate forward through the rotating shaft 52, when the gear 53 rotates in the reverse direction, the C-shaped rod 11 can be driven to rotate backward, and the design of the sliding assembly is convenient for medical staff to drive the rack 55 to slide.
The sliding component comprises a screw 56, a limiting groove 57 is arranged at the bottom of the sliding groove 54, the screw 56 is in threaded connection with a linkage block 58 fixedly connected with the rack 55, and one end of the screw 56 extends out of the fixed frame 1 and is fixedly connected with a first handle 59.
Because the screw 56 is in threaded connection with the linkage block 58, the screw 56 respectively rotates in two directions, so that the linkage block 58 can be driven to slide left and right, and the linkage block 58 is fixedly connected with the rack 53, so that the rack 53 can be driven to slide left and right.
The back side of the sliding block 12 is in threaded connection with a first threaded abutting part 6 abutted with the C-shaped rod 11, and the front side of the sliding block 12 is in threaded connection with a second threaded abutting part 61 abutted with the sliding rod 13.
When the first threaded abutting part 6 is unscrewed, the sliding block 12 can slide relative to the C-shaped rod 11, when the sliding block 12 slides to a proper position, the first threaded abutting part 6 can be screwed, the first threaded abutting part 6 penetrates through the sliding block 12 to abut against the C-shaped rod 11, so that the sliding block 12 is limited, when the second threaded abutting part 61 is unscrewed, the sliding rod 13 can slide up and down relative to the sliding block 12, when the sliding rod 13 slides to a proper position, the second threaded abutting part 61 is screwed, the second threaded abutting part 61 abuts against the sliding rod 13, and therefore the sliding rod 13 is fixed.
The left side and the right side of the C-shaped rod 11 are both provided with fixing blocks 62, and the two fixing blocks 62 are in threaded connection with third threaded abutting pieces 63 abutted to the positioning rods 4. When unscrewing the third screw thread abutting part 63, the positioning rod 4 can slide relative to the C-shaped rod 11, and after sliding the positioning rod 4 to a proper position, the third screw thread abutting part 63 is convenient to screw down to abut against the positioning rod 4, so that the positioning rod 4 can be limited.
The rebounding mechanism comprises two second springs 64, and two ends of the two second springs 64 are fixedly connected with the inner wall of the sliding cavity 32 far away from the mounting groove 3 and the sliding plate 33 respectively.
When the sliding plate 33 moves away from the mounting groove 3, the two second springs 64 are driven to compress, and when the hydraulic oil flows out of the sliding cavity 32, the sliding plate 33 can be driven to reset under the action of the extension of the two second springs 64.
The upper side and the lower side of the sliding cavity 32 are both provided with a fixing rod 65, the upper side and the lower side of the sliding plate 33 are both connected with the fixing rod 65 in a sliding and sealing manner, and the two second springs 64 are respectively sleeved on the outer surface of the fixing rod 65. The fixing rod 65 is designed to improve the sliding stability of the sliding plate 33 and protect the second spring 64, thereby preventing the second spring 64 from being deformed.
The left and right sides of the fixing frame 1 are provided with L-shaped pieces 7, the two L-shaped pieces 7 are in threaded connection with threaded rods 71, and the lower ends of the two threaded rods 71 are fixedly connected with second handles 72. By means of the design, the edge of the operating table can be clamped by the two L-shaped pieces 7, then the second handle 72 is rotated, the threaded rod 71 is driven to move upwards to abut against the lower side of the operating table, and therefore the fixing frame 1 is limited.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a neurosurgery is with puncture location guider, includes the mount, its characterized in that: the angle adjusting mechanism is assembled on the fixed frame, the C-shaped rod is assembled on the angle adjusting mechanism, the C-shaped rod is assembled with a sliding block in a sliding mode, and a sliding rod is assembled in the middle of the sliding block in a sliding mode;
the lower end of the sliding rod is provided with an installation block, a cavity is arranged in the installation block, a follower wheel is rotatably assembled on the back side in the cavity, a rotating rod is rotatably assembled on the front side in the cavity, the surface of the rotating rod is fixedly connected with a driving wheel, the installation block is provided with a through hole communicated with the cavity in a penetrating manner from top to bottom, the through hole is positioned between the driving wheel and the follower wheel, an inner cavity is arranged on the right side of the installation block, one end of the rotating rod extends into the inner cavity and is assembled with a coil spring, and the rotating rod penetrates through the inner cavity and extends out of the installation block and then is fixedly connected with the rotating block;
the left side of the installation block is provided with an installation groove, one end of the rotating rod extends into the installation groove and is fixedly connected with a friction block, a sliding cavity is arranged in the installation block, a sliding plate is assembled in the sliding cavity in a sliding sealing mode, a sliding hole communicated with the installation groove is formed in the inner wall of the sliding cavity, a sliding rod fixedly connected with the sliding plate is assembled in the sliding hole in a sliding sealing mode, the sliding rod extends into the installation groove and is fixedly connected with a butting block matched with the friction block, a rebound mechanism is arranged between the sliding plate and the inner wall of the sliding cavity on the side far away from the installation groove, and the elasticity of the rebound mechanism is larger than the stretching acting force of the coil spring;
the C-shaped rod left and right sides all slides and is equipped with the locating lever, the relative one side of locating lever all is equipped with the step hole, the downthehole first spring of fixedly connected with of step, first spring fixedly connected with sliding seal assembles the sealed piece in the step hole, two the relative one side of sealed piece all is equipped with the ejector pin that stretches out the step hole, sealed piece and step hole are kept away from and are annotated hydraulic oil, two between the ejector pin one side inner wall the step hole is kept away from one side each other and is communicate and be equipped with the pipe, the pipe is equipped with and slides the connecting pipe that the chamber is close to mounting groove one side inner wall intercommunication.
2. A neurosurgical puncture positioning guide device according to claim 1, wherein: angle adjusting mechanism is including two fixing bases, C shape pole rotates the assembly between two fixing bases, one of them be equipped with the turn trough in the fixing base, the turn trough internal rotation be equipped with C shape pole fixed connection's pivot, pivot fixedly connected with gear, be equipped with the spout with the turn trough intercommunication in the C shape pole, it is equipped with the rack with gear engagement to slide in the spout, C shape pole be equipped with rack assorted slip subassembly.
3. A neurosurgical puncture positioning guide device according to claim 2, wherein: the sliding assembly comprises a screw rod, a limiting groove is formed in the bottom of the sliding groove, the screw rod is in threaded connection with a linkage block fixedly connected with the rack, and one end of the screw rod extends out of the first handle fixedly connected with the fixing frame.
4. A neurosurgical puncture positioning guide device according to claim 1, wherein: the back side of the sliding block is in threaded connection with a first threaded abutting piece abutted to the C-shaped rod, and the front side of the sliding block is in threaded connection with a second threaded abutting piece abutted to the sliding rod.
5. A neurosurgical puncture positioning guide device according to claim 1, wherein: the left side and the right side of the C-shaped rod are both provided with fixing blocks, and the two fixing blocks are in threaded connection with third threaded abutting pieces abutted to the positioning rods.
6. A neurosurgical puncture positioning guide device, according to claim 1, wherein: the rebounding mechanism comprises two second springs, and two ends of the second springs are fixedly connected with the inner wall of one side, away from the installation groove, of the sliding cavity and the sliding plate respectively.
7. The neurosurgical puncture positioning guide device of claim 6, wherein: the upper side and the lower side of the sliding cavity are both provided with fixing rods, the upper side and the lower side of the sliding plate are both connected with the fixing rods in a sliding sealing mode, and the two second springs are respectively sleeved on the outer surfaces of the fixing rods.
8. A neurosurgical puncture positioning guide device, according to claim 1, wherein: the mount left and right sides all is equipped with L shape spare, two the equal threaded connection of L shape spare has the threaded rod, two the equal fixedly connected with second handle of threaded rod lower extreme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977389.XA CN115317095A (en) | 2022-08-15 | 2022-08-15 | Puncture positioning guide device for neurosurgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210977389.XA CN115317095A (en) | 2022-08-15 | 2022-08-15 | Puncture positioning guide device for neurosurgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115317095A true CN115317095A (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210977389.XA Pending CN115317095A (en) | 2022-08-15 | 2022-08-15 | Puncture positioning guide device for neurosurgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115317095A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060100501A1 (en) * | 2002-05-13 | 2006-05-11 | Peter Berkelman | System for positioning on a patient an observation and/or intervention device |
| CN111513819A (en) * | 2020-04-07 | 2020-08-11 | 中国人民武装警察部队特色医学中心 | Man-machine is puncture drainage positioner in coordination |
| CN211796624U (en) * | 2019-12-01 | 2020-10-30 | 南通市第一人民医院 | CT puncture guide frame |
| CN111904554A (en) * | 2020-08-27 | 2020-11-10 | 陈思汉 | Puncture device for enterocoelia operation in gastrointestinal surgery |
-
2022
- 2022-08-15 CN CN202210977389.XA patent/CN115317095A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060100501A1 (en) * | 2002-05-13 | 2006-05-11 | Peter Berkelman | System for positioning on a patient an observation and/or intervention device |
| CN211796624U (en) * | 2019-12-01 | 2020-10-30 | 南通市第一人民医院 | CT puncture guide frame |
| CN111513819A (en) * | 2020-04-07 | 2020-08-11 | 中国人民武装警察部队特色医学中心 | Man-machine is puncture drainage positioner in coordination |
| CN111904554A (en) * | 2020-08-27 | 2020-11-10 | 陈思汉 | Puncture device for enterocoelia operation in gastrointestinal surgery |
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