CN113303848A - Neurosurgery posterior skull distraction drainage device - Google Patents
Neurosurgery posterior skull distraction drainage device Download PDFInfo
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- CN113303848A CN113303848A CN202110613720.5A CN202110613720A CN113303848A CN 113303848 A CN113303848 A CN 113303848A CN 202110613720 A CN202110613720 A CN 202110613720A CN 113303848 A CN113303848 A CN 113303848A
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B50/00—Containers, covers, furniture or holders specially adapted for surgical or diagnostic appliances or instruments, e.g. sterile covers
- A61B50/10—Furniture specially adapted for surgical or diagnostic appliances or instruments
- A61B50/13—Trolleys, e.g. carts
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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
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
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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
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
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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
- A61B90/50—Supports for surgical instruments, e.g. articulated arms
- A61B90/57—Accessory clamps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2210/00—Anatomical parts of the body
- A61M2210/06—Head
- A61M2210/0687—Skull, cranium
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Neurosurgery (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a neurosurgical posterior skull distraction drainage device which comprises a cart, wherein a strip-shaped groove is formed in the upper side wall of the cart, a first lead screw is rotationally connected in the strip-shaped groove, a plurality of first screw sleeves are arranged on the first lead screw, a fixing plate is fixedly connected with the first screw sleeves, one end, far away from the first screw sleeves, of the fixing plate is fixedly connected with a hydraulic telescopic rod, one end, far away from the fixing plate, of the hydraulic telescopic rod is fixedly connected with a bearing plate, and a liquid storage tank and a distraction device are arranged on the bearing plate. The invention has the advantages that after the position of the cart is adjusted and fixed, the position of the strutting device can be adjusted through the first lead screw and the first screw sleeve, so that a doctor can conveniently perform an operation on a patient, the cart does not need to be moved, the position of the cart does not need to be adjusted again, a plurality of strutting parts can be fixed through the clamping device, the strutting parts do not need to be taken by the doctor for multiple times, the operation time on the patient is reduced, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a posterior skull distraction drainage device for neurosurgery.
Background
With the continuous development of society, the number of injured patients is increased with the occurrence of car accidents, neurosurgery is a branch of surgery, which is a research method of neurosurgery and is applied to research the nervous systems of human bodies, such as the brain, the spinal cord and the peripheral nervous system, and related auxiliary organs thereof on the basis of surgery as a main treatment means, and neurosurgery is mainly used for treating diseases of the nervous systems of the brain, the spinal cord and the like caused by trauma, such as the cerebral hemorrhage amount endangers life, the car accidents cause the brain trauma, or the brain is stressed by tumors and needs to be treated by the surgery.
When the existing hospital carries out the neurosurgery posterior skull operation, the distraction drainage device is required to be used for distracting the posterior skull, then the drainage device is used for sucking away the effusion in the operation, the existing posterior skull operation is that a plurality of groups of single distraction devices surround the edge of an operation area together, then the operation is carried out, but the device needs to be taken one by one and operated independently, the operation is complicated, the time for a long time is delayed, when the posterior skull is distracted, only one part of the posterior skull can be distracted, the time is wasted, and the posterior skull of a patient is easily damaged.
To this end, we propose a neurosurgical posterior cranial distraction drainage device to address the above problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a distraction device needs to be taken for multiple times, the time for distraction of a posterior skull is long, and the like, and provides a posterior skull distraction drainage device for neurosurgery.
In order to achieve the purpose, the invention adopts the following technical scheme:
the neurosurgical posterior skull distraction drainage device comprises a cart, wherein a strip-shaped groove is formed in the upper side wall of the cart, a first lead screw is rotationally connected in the strip-shaped groove, a plurality of first thread sleeves are arranged on the first lead screw, a fixing plate is fixedly connected with the first thread sleeves, one end, away from the first thread sleeves, of the fixing plate is fixedly connected with a hydraulic telescopic rod, one end, away from the fixing plate, of the hydraulic telescopic rod is fixedly connected with a bearing plate, a liquid storage tank and a distraction device are arranged on the bearing plate, the liquid storage tank is in sealing connection with the distraction device through a drainage tube, one end, away from the liquid storage tank, of the distraction device is fixedly connected with a connecting plate through a fixing rod, one end, away from the fixing rod, of the connecting plate is provided with a groove, a second lead screw is rotationally connected in the groove, a plurality of second thread sleeves are arranged on the second lead screw, and each second thread sleeve is fixedly connected with a clamping device, every be equipped with a plurality of parts of strutting on the clamping device, the one end fixedly connected with micropump of dead lever is kept away from to the connecting plate, the one end sealing connection that the connecting plate was kept away from to the micropump has drainage device, micropump and drainage tube sealing connection.
Preferably, the strutting part includes the fixed block, clamping device's one end fixedly connected with baffle is kept away from to the fixed block, a plurality of sleeves of fixedly connected with on the baffle, every be connected with the slide bar through the expanding spring joint in the sleeve, every telescopic one end fixedly connected with is kept away from to the piece to the slide bar.
Preferably, an inner groove is formed in the fixed block, a threaded cylinder is connected in the inner groove in a rotating mode, a first polygonal rod is fixedly connected to the portion, close to the threaded cylinder, in the inner groove, a threaded rod is connected in the threaded cylinder in a rotating mode, a first polygonal groove is formed in the portion, close to the first polygonal rod, of the threaded rod, and one end, far away from the threaded cylinder, of the threaded rod is fixedly connected with an opening plate.
Preferably, the side wall of the clamping device close to the multiple distraction components is provided with multiple sliding grooves matched with the fixed blocks, the lower side wall of one end of each fixed block close to the sliding groove is rotatably connected with a threaded strip, the part of each sliding groove close to the threaded strip is provided with a threaded groove matched with the threaded strip, each threaded strip is internally provided with a second polygonal groove, each second polygonal groove is slidably connected with a second polygonal rod, and the multiple second polygonal rods are rotatably connected with the clamping device.
Preferably, the side wall of the threaded cylinder is fixedly connected with a first bevel gear, a second bevel gear matched with the first bevel gear is rotationally connected in the inner groove, one end, far away from the first bevel gear, of the second bevel gear is fixedly connected with a rotating cylinder, a third polygonal groove is formed in the rotating cylinder, a third polygonal rod is slidably connected in the third polygonal groove, one end, far away from the rotating cylinder, of the third polygonal rod is fixedly connected with a first gear, each first gear is meshed with a first rack, and the first racks are slidably connected with the clamping device.
Preferably, it is a plurality of the one end fixedly connected with arc of first gear is kept away from to first rack, the arc is close to a plurality of quarter butt of clamping device's one end fixedly connected with, clamping device has seted up a plurality of joint grooves near the part of a plurality of quarter butt, and is a plurality of the quarter butt is with a plurality of the joint groove passes through the compression spring joint and is connected, every clamping device is close to the lateral wall fixedly connected with screw thread post of arc, every it is connected with first nut and second nut, a plurality of to rotate on the screw thread post the arc is with a plurality of screw thread post sliding connection.
Compared with the prior art, the invention has the beneficial effects that:
1. after the position of the cart is adjusted and fixed, the position of the strutting device can be adjusted through the first lead screw and the first screw sleeve, so that a doctor can conveniently perform an operation on a patient, the cart does not need to be moved, the position of the cart does not need to be adjusted again, the plurality of strutting parts can be fixed through the clamping device, the strutting parts do not need to be taken by the doctor for multiple times, the operation time on the patient is reduced, and the operation efficiency is improved;
2. can be convenient for the doctor through expanding spring's flexible volume judge the centre gripping dynamics of strutting the part to patient's back cranium, conveniently strut the skull, can make a plurality of pieces of support offset with patient's skull through second polygon pole, thereby carry out the centre gripping to patient's skull, can make the distraction plate strut patient's skull through third polygon pole and first rack isotructure, so that the doctor clears up intracranial hematocele, thereby it struts the skull to make a plurality of distraction plates move down simultaneously through the arc, reduce the operation time, and reduce the damage to the skull when strutting patient's skull, be convenient for patient's recovery.
Drawings
FIG. 1 is a schematic structural view of a neurosurgical posterior cranium distraction drainage device provided by the invention;
FIG. 2 is a schematic structural view of a connecting plate and a clamping device of the neurosurgical posterior cranium distraction drainage device according to the invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic cross-sectional structure view of the clamping device of the neurosurgical posterior cranium distraction drainage device provided by the invention.
In the figure: the device comprises a cart 1, a first lead screw 2, a first thread sleeve 3, a fixing plate 4, a hydraulic telescopic rod 5, a receiving plate 6, a reservoir 7, an opening device 8, a drainage tube 9, a fixing rod 10, a connecting plate 11, a second lead screw 12, a second thread sleeve 13, a clamping device 14, a small pump 15, a drainage device 16, an opening part 17, a fixing block 18, a baffle plate 19, a sleeve 20, a telescopic spring 21, a sliding rod 22, a resisting block 23, a threaded barrel 24, a threaded rod 25, a first polygonal rod 26, an opening plate 27, a threaded groove 28, a second polygonal rod 29, a first bevel gear 30, a second bevel gear 31, a rotating barrel 32, a third polygonal rod 33, a first gear 34, a first rack 35, an arc-shaped plate 36, a short rod 37, a pressure spring 38, a threaded column 39, a first nut 40 and a second nut 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, the neurosurgical posterior skull distraction drainage device comprises a cart 1, wherein a strip-shaped groove is formed in the upper side wall of the cart 1, a first lead screw 2 is rotationally connected in the strip-shaped groove, a plurality of first thread sleeves 3 are arranged on the first lead screw 2, a fixing plate 4 is fixedly connected with the plurality of first thread sleeves 3, a hydraulic telescopic rod 5 is fixedly connected with one end of the fixing plate 4 far away from the first thread sleeves 3, a bearing plate 6 is fixedly connected with one end of the hydraulic telescopic rod 5 far away from the fixing plate 4, a liquid storage tank 7 and a distraction device 8 are arranged on the bearing plate 6, the liquid storage tank 7 is hermetically connected with the distraction device 8 through a drainage tube 9, one end of the distraction device 8 far away from the liquid storage tank 7 is fixedly connected with a connecting plate 11 through a fixing rod 10, a groove is formed in one end of the connecting plate 11 far away from the fixing rod 10, a second lead screw 12 is rotationally connected in the groove, and a plurality of second thread sleeves 13 are arranged on the second lead screw 12, each second screw sleeve 13 is fixedly connected with a clamping device 14, each clamping device 14 is provided with a plurality of strutting parts 17, one end of the connecting plate 11, which is far away from the fixing rod 10, is fixedly connected with a small pump 15, one end of the small pump 15, which is far away from the connecting plate 11, is hermetically connected with a drainage device 16, the small pump 15 is hermetically connected with a drainage tube 9, when the position of the cart 1 is adjusted and fixed, the position of the strutting device 8 can be adjusted through the first lead screw 2 and the first screw sleeve 3, so that a doctor can conveniently perform an operation on a patient, the cart 1 does not need to be moved, the position of the cart does not need to be adjusted again, the plurality of strutting parts 17 can be fixed through the clamping devices 14, the doctor does not need to take the strutting parts 17 for many times, thereby reducing the operation time on the patient and improving the operation efficiency;
the expanding component 17 comprises a fixed block 18, one end of the fixed block 18 far away from the clamping device 14 is fixedly connected with a baffle plate 19, the baffle plate 19 is fixedly connected with a plurality of sleeves 20, a slide rod 22 is connected in each sleeve 20 in a clamping manner through a telescopic spring 21, one end of each slide rod 22 far away from the sleeve 20 is fixedly connected with a resisting block 23, an inner groove is formed in the fixed block 18, a thread cylinder 24 is connected in the inner groove in a rotating manner, a first polygonal rod 26 is fixedly connected to the part, close to the thread cylinder 24, in the inner groove, a threaded rod 25 is connected in the thread cylinder 24 in a rotating manner, the part, close to the first polygonal rod 26, of the threaded rod 25 is provided with a first polygonal groove, one end, far away from the thread cylinder 24, of the threaded rod 25 is fixedly connected with an expanding plate 27, the side wall, close to the plurality of the expanding components 17, of the clamping device 14 is provided with a plurality of sliding grooves matched with the fixed block 18, and the lower side wall, one end, close to the sliding groove, of each fixed block 18 is rotatably connected with a thread strip, a part, close to the thread strips, in each sliding chute is provided with a thread groove 28 matched with the thread strips, a second polygonal groove is formed in each thread strip, a second polygonal rod 29 is connected in each second polygonal groove in a sliding mode, and the plurality of second polygonal rods 29 are rotatably connected with the clamping device 14;
a first bevel gear 30 is fixedly connected to the side wall of the threaded cylinder 24, a second bevel gear 31 matched with the first bevel gear 30 is rotatably connected in the inner groove, a rotating cylinder 32 is fixedly connected to one end, far away from the first bevel gear 30, of the second bevel gear 31, a third polygonal groove is formed in the rotating cylinder 32, a third polygonal rod 33 is slidably connected in the third polygonal groove, a first gear 34 is fixedly connected to one end, far away from the rotating cylinder 32, of the third polygonal rod 33, each first gear 34 is meshed with a first rack 35, the plurality of first racks 35 are slidably connected with the clamping device 14, an arc-shaped plate 36 is fixedly connected to one end, far away from the first gear 34, of each first rack 35, a plurality of short rods 37 are fixedly connected to one end, close to the clamping device 14, of the clamping device 14, a plurality of clamping grooves are formed in the portion, close to the plurality of short rods 37, and the plurality of short rods 37 are connected with the plurality of clamping grooves through pressure springs 38 in a clamping manner, each clamping device 14 is fixedly connected with a threaded column 39 close to the side wall of the arc plate 36, each threaded column 39 is connected with a first nut 40 and a second nut 42 in a rotating mode, the arc plates 36 are in sliding connection with the threaded columns 39, the clamping force of the expansion part 17 on the back skull of the patient can be conveniently judged by a doctor through the expansion amount of the expansion spring 21, the skull of the patient can be conveniently expanded, the support blocks 23 can be abutted against the skull of the patient through the second polygonal rod 29, so that the skull of the patient can be clamped, the expansion plate 27 can be expanded through the structures of the third polygonal rod 33, the first rack 35 and the like, so that the doctor can conveniently clear accumulated blood in the skull, the expansion plates 27 can simultaneously move downwards through the arc plates 36 so as to expand the skull, the operation time is reduced, the damage to the skull when the skull of the patient is expanded is reduced, and the patient can be conveniently recovered.
When the invention is used, a worker pushes the cart 1 to a proper position to fix the cart 1, a doctor starts to perform an operation on a patient, when the back skull of the patient needs to be expanded, the first lead screw 2 is rotated, so that the first screw sleeve 3 drives the expanding device 8 to be close to the skull of the patient, the second lead screw 12 drives the second screw sleeves 13 to move, so that the positions among the clamping devices 14 are adjusted, the clamping devices 14 wrap the skull of the patient, the doctor rotates the second polygonal rod 29 one by one to move the fixed blocks 18 to the direction close to the skull of the patient, until the abutting block 23 abuts against the skull, the expansion spring 21 reaches the corresponding deformation amount, after all the expanding components 17 are adjusted, the doctor can rotate the first nut 40 to enable the first nut 40 to drive the arc-shaped plate 36 to move downwards, the arc-shaped plate 36 drives the first rack 35 to move downwards so as to enable the first gear 34 to rotate, the first gear 34 drives the rotating cylinder 32 to rotate through the third polygonal rod 33, the rotating cylinder 32 drives the first bevel gear 30 to rotate through the second bevel gear 31, the first bevel gear 30 drives the threaded cylinder 24 to rotate, so that the threaded rod 25 gradually moves downwards, and the threaded rod 25 drives the opening plate 27 to move downwards so as to open the skull of the patient;
after the skull of the patient is unfolded, the hematocele in the skull of the patient can be removed through the small pump 15 and the drainage device 16, the plurality of unfolding plates 27 can move downwards when one arc-shaped plate 36 moves downwards, so that the skull is unfolded, the whole unfolding process is quick and simple, the skull of the patient is unfolded partially without being unfolded, the injury to the skull of the patient can be reduced, the patient can be recovered conveniently, and meanwhile, the use of a doctor is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The neurosurgical posterior skull distraction drainage device comprises a cart (1) and is characterized in that a strip-shaped groove is formed in the upper side wall of the cart (1), a first lead screw (2) is rotationally connected in the strip-shaped groove, a plurality of first screw sleeves (3) are arranged on the first lead screw (2), a fixing plate (4) is fixedly connected with the first screw sleeves (3), a hydraulic telescopic rod (5) is fixedly connected to one end, far away from the first screw sleeves (3), of the fixing plate (4), a bearing plate (6) is fixedly connected to one end, far away from the fixing plate (4), of the hydraulic telescopic rod (5), a liquid storage tank (7) and a distraction device (8) are arranged on the bearing plate (6), the liquid storage tank (7) is in sealing connection with the distraction device (8) through a drainage tube (9), and a connecting plate (11) is fixedly connected to one end, far away from the liquid storage tank (7), of the distraction device (8), the utility model discloses a drainage device, including connecting plate (11), recess internal rotation are connected with second lead screw (12), be equipped with a plurality of second silk covers (13) on second lead screw (12), every second silk cover (13) fixedly connected with clamping device (14), every be equipped with a plurality of parts (17) that strut on clamping device (14), the one end fixedly connected with micropump (15) of dead lever (10) are kept away from in connecting plate (11), the one end sealing connection that connecting plate (11) were kept away from in micropump (15) has drainage device (16), micropump (15) and drainage tube (9) sealing connection.
2. The neurosurgical posterior craniotomy drainage device according to claim 1, wherein the distraction component (17) comprises a fixed block (18), a baffle (19) is fixedly connected to one end of the fixed block (18) far away from the clamping device (14), a plurality of sleeves (20) are fixedly connected to the baffle (19), a sliding rod (22) is connected to the inside of each sleeve (20) in a clamping mode through a telescopic spring (21), and a butting block (23) is fixedly connected to one end of each sliding rod (22) far away from the sleeve (20).
3. The neurosurgical posterior craniotomy drainage device according to claim 2, wherein an inner groove is formed in the fixing block (18), a threaded cylinder (24) is rotatably connected in the inner groove, a first polygonal rod (26) is fixedly connected to the part of the inner groove close to the threaded cylinder (24), a threaded rod (25) is rotatably connected in the threaded cylinder (24), a first polygonal groove is formed in the part of the threaded rod (25) close to the first polygonal rod (26), and an opening plate (27) is fixedly connected to one end of the threaded rod (25) far away from the threaded cylinder (24).
4. The neurosurgical posterior craniotomy drainage device according to claim 3, wherein the side wall of the clamping device (14) close to the distraction components (17) is provided with a plurality of sliding grooves matched with the fixing blocks (18), the lower side wall of each fixing block (18) close to one end of each sliding groove is rotatably connected with a threaded strip, a part of each sliding groove close to the threaded strip is provided with a threaded groove (28) matched with the threaded strip, each threaded strip is provided with a second polygonal groove, each second polygonal groove is internally provided with a second polygonal rod (29) in a sliding connection manner, and a plurality of second polygonal rods (29) are rotatably connected with the clamping device (14).
5. The neurosurgical posterior craniotomy drainage device according to claim 3, wherein a first bevel gear (30) is fixedly connected to the side wall of the threaded cylinder (24), a second bevel gear (31) matched with the first bevel gear (30) is rotatably connected to the inner groove, a rotating cylinder (32) is fixedly connected to one end of the second bevel gear (31) far away from the first bevel gear (30), a third polygonal groove is formed in the rotating cylinder (32), a third polygonal rod (33) is slidably connected to the third polygonal groove, a first gear (34) is fixedly connected to one end of the third polygonal rod (33) far away from the rotating cylinder (32), each first gear (34) is meshed with a first rack (35), and a plurality of first racks (35) are slidably connected with the clamping device (14).
6. The neurosurgical posterior craniotomy drainage device according to claim 5, wherein an arc-shaped plate (36) is fixedly connected to one end, away from the first gear (34), of the first racks (35), a plurality of short rods (37) are fixedly connected to one end, close to the clamping device (14), of the arc-shaped plate (36), a plurality of clamping grooves are formed in a portion, close to the short rods (37), of the clamping device (14), the short rods (37) are connected with the clamping grooves in a clamping mode through pressure springs (38), threaded columns (39) are fixedly connected to side walls, close to the arc-shaped plate (36), of each clamping device (14), a first nut (40) and a second nut (42) are rotatably connected to each threaded column (39), and the arc-shaped plates (36) are connected with the threaded columns (39) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110613720.5A CN113303848B (en) | 2021-06-02 | 2021-06-02 | Neurosurgery posterior skull distraction drainage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110613720.5A CN113303848B (en) | 2021-06-02 | 2021-06-02 | Neurosurgery posterior skull distraction drainage device |
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| CN113303848B CN113303848B (en) | 2022-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117137549A (en) * | 2023-10-31 | 2023-12-01 | 惠州市第六人民医院 | Neurosurgery postcranium struts drainage device |
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