CN113303848B - Neurosurgery posterior cranial distraction and drainage device - Google Patents

Abstract

The invention discloses a posterior skull distraction drainage device for neurosurgery, 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 thread sleeves are arranged on the first lead screw, a fixing plate is fixedly connected with the first thread sleeves, one end, far away from the first thread 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

Neurosurgery posterior cranial distraction and drainage device

technical field

The invention relates to the technical field of medical devices, in particular to a neurosurgery posterior cranial distraction and drainage device.

Background technique

With the continuous development of society, with the occurrence of car accidents, the number of injured patients has increased. Neurosurgery is a branch of surgery. On the basis of surgery as the main treatment method, neurosurgery applies a unique Research methods to study the human nervous system, such as the brain, spinal cord and peripheral nervous system, and related affiliated institutions, neurosurgery is mainly for the diseases of the brain, spinal cord and other nervous systems caused by trauma, such as cerebral hemorrhage, which is life-threatening , trauma to the brain caused by a car accident, or a tumor oppressing the brain requiring surgery.

When performing neurosurgical posterior cranial surgery in existing hospitals, it is necessary to use a distraction and drainage device to open the posterior skull, and then use a drainage device to suck away the fluid during the operation. Surrounding the edge of the operation area together, and then performing the operation, but the devices need to be picked up one by one and operated individually, which is cumbersome and takes a long time to operate. It is a waste of time, and it is easy to damage the back of the patient's skull.

To this end, we propose a neurosurgical posterior cranial distraction drainage device to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problems in the prior art that the distraction device needs to be taken many times and the time required for distraction of the posterior cranial is long, and the proposed neurosurgery posterior cranial distraction and drainage device is proposed.

In order to achieve the above object, the present invention adopts the following technical solutions:

The neurosurgery posterior cranial distraction and drainage device includes a cart, the upper side wall of the cart is provided with a bar-shaped groove, a first lead screw is rotatably connected in the bar-shaped groove, and the first lead screw is provided with A plurality of first wire sleeves, a plurality of first wire sleeves are fixedly connected with a fixing plate, an end of the fixing plate away from the first wire sleeve is fixedly connected with a hydraulic telescopic rod, and an end of the hydraulic telescopic rod away from the fixing plate is fixed A receiving plate is connected, the receiving plate is provided with a liquid storage tank and a spreading device, the liquid storage tank is sealedly connected with the spreading device through a drainage pipe, and the end of the spreading device away from the liquid storage tank is fixed by a fixing rod A connecting plate is connected, the end of the connecting plate away from the fixing rod is provided with a groove, a second lead screw is rotatably connected in the groove, and a plurality of second lead screws are arranged on the second lead screw, each of which is The second wire sleeve is fixedly connected with a clamping device, each of the clamping devices is provided with a plurality of spreading parts, the end of the connecting plate away from the fixing rod is fixedly connected with a small pump, and the small pump is far away from the connection. One end of the plate is sealed with a drainage device, and the small pump is sealed with the drainage pipe.

Preferably, the spreading member includes a fixing block, a baffle is fixedly connected to one end of the fixing block away from the clamping device, and a plurality of sleeves are fixedly connected to the baffle, and each sleeve is telescopic The spring is snap-connected with a sliding rod, and one end of each sliding rod away from the sleeve is fixedly connected with a block.

Preferably, an inner groove is opened in the fixing block, a threaded barrel is rotatably connected in the inner groove, a first polygonal rod is fixedly connected to a part of the inner groove close to the threaded barrel, and the threaded barrel rotates in the inner groove. A threaded rod is connected, the part of the threaded rod close to the first polygonal rod is provided with a first polygonal groove, and an end of the threaded rod away from the threaded cylinder is fixedly connected with a spreading plate.

Preferably, the clamping device is provided with a plurality of sliding grooves matched with the fixing blocks on the side walls near the plurality of spreading parts, and the lower side wall of each fixing block close to one end of the sliding grooves is rotatably connected with a threaded strip. Each of the sliding grooves is provided with a threaded groove matching the threaded strip in the portion close to the threaded strip, and each of the threaded strips is provided with a second polygonal groove, and each of the second polygonal grooves is slidably connected There is a second polygonal rod, and a plurality of said second polygonal rods are rotatably connected to the clamping device.

Preferably, a first bevel gear is fixedly connected to the side wall of the threaded barrel, a second bevel gear that matches the first bevel gear is rotatably connected to the inner groove, and the second bevel gear is far away from the first bevel gear. One end is fixedly connected with a rotating drum, a third polygonal groove is opened in the rotating drum, a third polygonal rod is slidably connected in the third polygonal groove, and the third polygonal rod is far away from the rotating drum. One end of the barrel is fixedly connected with a first gear, each of the first gears is engaged with a first rack, and a plurality of the first racks are slidably connected with the clamping device.

Preferably, an arc-shaped plate is fixedly connected to one end of the plurality of first racks away from the first gear, and one end of the arc-shaped plate close to the clamping device is fixedly connected to a plurality of short rods, and the clamping device is close to a plurality of short rods. The parts of each short rod are provided with a plurality of clamping grooves, the plurality of short rods and the plurality of clamping grooves are clamped and connected by a pressure spring, and each of the clamping devices is fixedly connected to the side wall of the arc-shaped plate There are threaded columns, each of the threaded columns is rotatably connected with a first nut and a second nut, and a plurality of the arc-shaped plates are slidably connected with the plurality of threaded columns.

Compared with the prior art, the beneficial effects of the present invention are:

1. When the position of the trolley is adjusted and fixed, the position of the spreading device can be adjusted through the first lead screw and the first wire sleeve, which is convenient for the doctor to perform surgery on the patient, and there is no need to move the trolley and adjust the trolley again. The position of the opening can be fixed by the clamping device, and the doctor does not need to take the opening parts for many times, thereby reducing the operation time for the patient and improving the operation efficiency;

2. Through the expansion and contraction of the expansion spring, it is convenient for the doctor to judge the clamping force of the opening part on the back of the patient's skull, which is convenient for opening the skull. The patient's skull is clamped, and the third polygonal rod and the first rack can be used to stretch the patient's skull, so that the doctor can clear the blood accumulation in the skull. The opening plate moves downward to open the skull, reduces the operation time, reduces the damage to the skull when the patient's skull is opened, and facilitates the recovery of the patient.

Description of drawings

1 is a schematic structural diagram of a neurosurgery posterior cranial distraction and drainage device proposed by the present invention;

2 is a schematic structural diagram of structures such as a connecting plate and a clamping device of a neurosurgery posterior cranial distraction and drainage device proposed by the present invention;

Fig. 3 is the structural representation at A place in Fig. 2;

FIG. 4 is a schematic cross-sectional structural diagram of the clamping device for the post-neurosurgical cranial distraction and drainage device proposed by the present invention.

In the picture: 1 cart, 2 first lead screw, 3 first lead sleeve, 4 fixing plate, 5 hydraulic telescopic rod, 6 receiving plate, 7 liquid storage tank, 8 spreading device, 9 drainage tube, 10 fixing rod, 11 connecting plate, 12 second lead screw, 13 second lead sleeve, 14 clamping device, 15 small pump, 16 drainage device, 17 spreading part, 18 fixing block, 19 baffle plate, 20 sleeve, 21 telescopic spring, 22 sliding rod, 23 abutting block, 24 threaded barrel, 25 threaded rod, 26 first polygonal rod, 27 spreading plate, 28 threaded groove, 29 second polygonal rod, 30 first bevel gear, 31 second Bevel gear, 32 drum, 33 third polygonal rod, 34 first gear, 35 first rack, 36 arc plate, 37 short rod, 38 pressure spring, 39 threaded column, 40 first nut, 42 first Two nuts.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-4, the neurosurgery posterior cranial distraction and drainage device includes a cart 1, the upper side wall of the cart 1 is provided with a bar-shaped groove, and a first lead screw 2 is rotatably connected in the bar-shaped groove, and the first lead screw 2 is provided with a plurality of first wire sleeves 3, the plurality of first wire sleeves 3 are fixedly connected with a fixing plate 4, and one end of the fixing plate 4 away from the first wire sleeve 3 is fixedly connected with a hydraulic telescopic rod 5, and the hydraulic telescopic rod 5 is far away from the One end of the fixing plate 4 is fixedly connected with a receiving plate 6, and the receiving plate 6 is provided with a liquid storage tank 7 and a spreading device 8. The liquid storage tank 7 is sealedly connected with the spreading device 8 through the drainage pipe 9, and the spreading device 8 is far away from the storage. One end of the liquid tank 7 is fixedly connected with a connecting plate 11 through the fixing rod 10, and one end of the connecting plate 11 away from the fixing rod 10 is provided with a groove, and a second lead screw 12 is rotatably connected in the groove. A plurality of second wire sleeves 13 , each second wire sleeve 13 is fixedly connected with a clamping device 14 , each clamping device 14 is provided with a plurality of spreading parts 17 , and one end of the connecting plate 11 away from the fixing rod 10 is fixedly connected There is a small pump 15, the end of the small pump 15 away from the connecting plate 11 is sealed with a drainage device 16, and the small pump 15 is sealed with the drainage pipe 9. After the position of the cart 1 is adjusted and fixed, the first screw 2 Adjust the position of the opening device 8 with the first wire sleeve 3, which is convenient for the doctor to perform surgery on the patient, and does not need to move the cart 1, and does not need to adjust the position of the cart again. The clamping device 14 can hold a plurality of opening parts 17. Fixed, it does not need the doctor to take and use the opening part 17 for many times, thereby reducing the operation time for the patient and improving the operation efficiency;

The opening member 17 includes a fixing block 18, and one end of the fixing block 18 away from the clamping device 14 is fixedly connected with a baffle plate 19, and a plurality of sleeves 20 are fixedly connected to the baffle plate 19, and each sleeve 20 is clamped by a telescopic spring 21. A sliding rod 22 is connected to each other, and an end of each sliding rod 22 away from the sleeve 20 is fixedly connected with a block 23. An inner groove is opened in the fixed block 18, and a threaded barrel 24 is rotatably connected in the inner groove, and the inner groove is close to the threaded barrel. The part of 24 is fixedly connected with a first polygonal rod 26, a threaded rod 25 is rotatably connected in the threaded cylinder 24, and the part of the threaded rod 25 close to the first polygonal rod 26 is provided with a first polygonal groove, and the threaded rod 25 A spreading plate 27 is fixedly connected to one end away from the threaded barrel 24 , and a plurality of chute grooves matching the fixing blocks 18 are provided on the side walls of the clamping device 14 close to the plurality of spreading members 17 , and each fixing block 18 is close to one end of the chute. A threaded strip is rotatably connected to the lower side wall of the threaded rod, a threaded groove 28 matching the threaded strip is provided in the part of each chute close to the threaded strip, and each threaded strip is provided with a second polygonal groove, each A second polygonal rod 29 is slidably connected in the side-shaped groove, and a 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 barrel 24 , a second bevel gear 31 that matches the first bevel gear 30 is rotatably connected in the inner groove, and one end of the second bevel gear 31 away from the first bevel gear 30 is fixedly connected There is a rotating drum 32, a third polygonal groove is opened in the rotating drum 32, a third polygonal rod 33 is slidably connected in the third polygonal groove, and one end of the third polygonal rod 33 away from the rotating drum 32 is fixed. A first gear 34 is connected, each first gear 34 is meshed with a first rack 35 , a plurality of first racks 35 are slidably connected with the clamping device 14 , and one end of the plurality of first racks 35 is away from the first gear 34 An arc-shaped plate 36 is fixedly connected, and one end of the arc-shaped plate 36 close to the clamping device 14 is fixedly connected with a plurality of short rods 37 . The short rod 37 is connected with a plurality of clamping grooves by means of compression springs 38, and each clamping device 14 is fixedly connected to the side wall of the arc-shaped plate 36 with a threaded column 39, and each threaded column 39 is rotatably connected with a first nut. 40 and the second nut 42, a plurality of arc-shaped plates 36 are slidably connected with a plurality of threaded columns 39, and the expansion and contraction of the expansion spring 21 can facilitate the doctor to judge the clamping force of the opening member 17 on the back of the patient's skull, which is convenient for opening the skull. , through the second polygonal rod 29, a plurality of abutting blocks 23 can be abutted against the patient's head, thereby clamping the patient's head. The opening plate 27 spreads the patient's skull, so that the doctor can clear the blood accumulation in the skull, and the arc-shaped plate 36 can move a plurality of opening plates 27 downward at the same time to spread the skull, reduce the operation time, and reduce the spread of the patient. Injury to the skull when the skull is used to facilitate the recovery of the patient.

When the present invention is in use, the staff pushes the cart 1 to an appropriate position to fix the cart 1, and the doctor starts to operate on the patient. The one wire sleeve 3 drives the spreading device 8 to be close to the patient's head, and drives the plurality of second wire sleeves 13 to move through the second lead screw 12 , so as to adjust the positions between the plurality of clamping devices 14 . To wrap the patient's head, the doctor moves the plurality of fixed blocks 18 toward the patient's skull by rotating the second polygonal rods 29 one by one, until the abutting blocks 23 abut against the skull, and the telescopic spring 21 reaches the corresponding deformation amount. After adjusting all the opening parts 17, the doctor can turn the first nut 40, so that the first nut 40 drives the arc plate 36 to move down, and the arc plate 36 drives the first rack 35 to move down so that the first The gear 34 rotates, the first gear 34 drives the drum 32 to rotate through the third polygonal rod 33, the drum 32 drives the first bevel gear 30 to rotate through the second bevel gear 31, and the first bevel gear 30 drives the threaded drum 24 to rotate , so that the threaded rod 25 gradually moves down, and the threaded rod 25 drives the spreading plate 27 to move down to spread the patient's skull;

After the patient's skull is stretched, the small pump 15 and the drainage device 16 can remove the blood accumulated in the patient's skull. When one arc-shaped plate 36 moves downward, a plurality of stretch plates 27 can be moved downward, so as to remove the blood in the patient's skull. Skull distraction, the entire distraction process is quick and simple, since part of the patient's skull is not required to be distracted, the injury to the patient's skull can be reduced, the patient's recovery is facilitated, and it is convenient for doctors to use.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (1)

1. Neurosurgery posterior cranial distraction drainage device, comprising a cart (1), characterized in that the upper side wall of the cart (1) is provided with a bar-shaped groove, and a first groove is rotatably connected in the bar-shaped groove. A lead screw (2), the first lead screw (2) is provided with a plurality of first wire sleeves (3), and a fixing plate (4) is fixedly connected to the plurality of first wire sleeves (3). One end of the fixing plate (4) away from the first wire sleeve (3) is fixedly connected with a hydraulic telescopic rod (5), and one end of the hydraulic telescopic rod (5) away from the fixing plate (4) is fixedly connected with a receiving plate (6), The receiving plate (6) is provided with a liquid storage tank (7) and a spreading device (8), and the liquid storage tank (7) is sealedly connected with the spreading device (8) through a drainage pipe (9). A connecting plate (11) is fixedly connected to one end of the spreading device (8) away from the liquid storage tank (7) through a fixing rod (10), and a groove is formed at one end of the connecting plate (11) away from the fixing rod (10), A second lead screw (12) is rotatably connected in the groove, a plurality of second lead screws (13) are arranged on the second lead screw (12), and each of the second lead screws (13) is fixed A clamping device (14) is connected, each of the clamping devices (14) is provided with a plurality of spreading parts (17), and one end of the connecting plate (11) away from the fixing rod (10) is fixedly connected with a small A pump (15), one end of the small pump (15) away from the connecting plate (11) is sealingly connected with a drainage device (16), the small pump (15) is sealingly connected with the drainage pipe (9), and the spreading member (17) comprising a fixing block (18), a baffle plate (19) is fixedly connected to one end of the fixing block (18) away from the clamping device (14), and a plurality of sleeves are fixedly connected to the baffle plate (19) (20), each of the sleeves (20) is snap-connected with a sliding rod (22) through a telescopic spring (21), and one end of each of the sliding rods (22) away from the sleeve (20) is fixedly connected with a sliding rod (22). Abutting block (23), an inner groove is opened in the fixing block (18), a threaded barrel (24) is rotatably connected in the inner groove, and a part of the inner groove close to the threaded barrel (24) is fixedly connected with a first A polygonal rod (26), a threaded rod (25) is rotatably connected in the threaded cylinder (24), and a first multi-dimensional rod (25) is provided with a first polygonal rod (25) at a portion of the threaded rod (25) close to the first polygonal rod (26). An edge-shaped groove, one end of the threaded rod (25) away from the threaded barrel (24) is fixedly connected with a spreading plate (27), and the clamping device (14) is provided close to the side walls of the plurality of spreading parts (17) There are a plurality of chutes matched with the fixing block (18), the lower side wall of each said fixing block (18) close to one end of the sliding groove is rotatably connected with a threaded strip, and a part of each said sliding groove close to the threaded strip is opened There are threaded grooves (28) matching the threaded strips, each of the threaded strips is provided with a second polygonal groove, and each of the second polygonal grooves is slidably connected with a second polygonal rod (29). ), a plurality of the second polygonal rods (29) are rotatably connected with the clamping device (14), the side wall of the threaded barrel (24) is fixedly connected with a first bevel gear (30), the inner groove Inside A second bevel gear (31) matched with the first bevel gear (30) is rotatably connected, and a rotating drum (32) is fixedly connected to the end of the second bevel gear (31) away from the first bevel gear (30), so A third polygonal groove is opened in the rotating drum (32), a third polygonal rod (33) is slidably connected in the third polygonal groove, and the third polygonal rod (33) is far away from One end of the rotating drum (32) is fixedly connected with a first gear (34), each of the first gears (34) is meshed with a first rack (35), and a plurality of the first racks (35) are connected with the clips The holding device (14) is slidably connected, one end of the plurality of first racks (35) away from the first gear (34) is fixedly connected with an arc-shaped plate (36), and the arc-shaped plate (36) is close to the clamping device One end of the (14) is fixedly connected with a plurality of short rods (37), and the portion of the clamping device (14) close to the plurality of short rods (37) is provided with a plurality of snap grooves, and a plurality of the short rods (37) ) and a plurality of said snap-fit grooves are snap-connected by means of pressure springs (38), and each said clamping device (14) is fixedly connected with a threaded column (39) near the side wall of the arc-shaped plate (36). A first nut (40) and a second nut (42) are rotatably connected to the threaded column (39), and the plurality of arc-shaped plates (36) are slidably connected to the plurality of threaded columns (39).

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