CN113576821A

CN113576821A - Head and neck fixing device suitable for cerebrovascular interventional operation

Info

Publication number: CN113576821A
Application number: CN202111001686.2A
Authority: CN
Inventors: 刘璐; 周振华; 徐文鑫; 万丽娜; 张蝶; 汪萃
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-11-02
Anticipated expiration: 2041-08-30
Also published as: CN113576821B

Abstract

The invention relates to a head and neck fixing device suitable for cerebrovascular interventional surgery, wherein a sliding frame is fixedly arranged at the bottom of a bed plate, a fixing ring is connected to the front side of the sliding frame in a sliding manner, the bottom of the bed plate is connected with symmetrically arranged driving blocks in a sliding manner, the number of the driving blocks is two, one sides, close to each other, of the two driving blocks are respectively connected with an arc-shaped block in a rotating manner, one sides, close to each other, of the two arc-shaped blocks are respectively connected with the fixing ring in a sliding manner, the front sides of the two driving blocks are respectively connected with a push-pull rod in a rotating manner, a transmission mechanism is arranged at the bottom of the bed plate, a positioning mechanism is arranged at the right side of the bed plate and matched with the transmission mechanism, and the transmission mechanism is matched with the push-pull rod; the problem of in the present cerebrovascular intervention operation, patient's head adopts the form of about band to carry out the head restraint fixed more, can often need to adjust the head position in the art, repeated radiography, so both increased medical staff work load, prolong the operation time again is solved.

Description

Head and neck fixing device suitable for cerebrovascular interventional operation

Technical Field

The invention belongs to the technical field of fixing devices, and relates to a head and neck fixing device suitable for cerebrovascular interventional surgery.

Background

Vascular intervention surgery is used for the surgical treatment of malignant trophoblastic tumors; the vascular intervention technology is an effective treatment method which is gradually developed in the last 10 years, has small wound, simple and convenient operation and accurate intervention position, enables some patients who cannot tolerate major surgery and drug resistance to be treated, and is increasingly used in the treatment of malignant trophoblastic tumors;

local anesthesia is mostly adopted in clinical cerebrovascular interventional operation, and due to strangeness of a patient to the environment of an operating room, unknown operation mode, mental stress and stimulation of a contrast medium, and in addition, the ischemic cerebrovascular patient mostly has cognitive dysfunction, the factors can cause the head and the neck of the patient to move, so that image blurring is caused. At present, head restraint fixation is mostly carried out in a form of a restraint strap, the head is round and cannot be well fixed on a dsa examination table, the position of the head can be frequently adjusted in the operation, repeated radiography is carried out, the workload of medical staff is increased, the operation time is prolonged, the economic burden of a patient is increased, and the time of exposure of the medical staff and the patient to rays is prolonged, so that the head and neck fixation device suitable for cerebrovascular interventional operation is needed.

Disclosure of Invention

In view of this, the invention provides a head and neck fixing device suitable for cerebrovascular interventional surgery, in order to solve the problems that in the existing cerebrovascular interventional surgery, the head of a patient is mostly restrained and fixed by adopting a restraining belt, the head position is frequently required to be adjusted in the surgery, and radiography is repeated, so that the workload of medical staff is increased, and the surgery time is prolonged.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a neck fixing device suitable for operation is intervene to blood vessel, its includes the bed board, the bottom fixed mounting of bed board has the carriage, the front side sliding connection of carriage has solid fixed ring, the bottom sliding connection of bed board has the drive piece that the symmetry set up, the quantity of drive piece is two, and two one sides that drive the piece and be close to each other all rotate and are connected with the arc piece, and one side that two arc pieces are close to each other all with solid fixed ring sliding connection, the front side of two drive pieces all rotates and is connected with the push-and-pull rod, the bottom of bed board is equipped with drive mechanism, the right side of bed board is equipped with positioning mechanism, positioning mechanism and drive mechanism cooperate, drive mechanism and push-and-pull rod cooperate.

The beneficial effect of this basic scheme lies in: can fix a position transmission mechanism contact through at positioning mechanism, then the steerable transmission mechanism of rethread positioning mechanism, solid fixed ring of drive mechanism recontrol rises or descends, and solid fixed ring rises then is opened, places patient's head in the fixed ring, and then solid fixed ring descends is controlled to rethread positioning mechanism and drive mechanism, and solid fixed ring will fix a position patient's head, prevents that the patient from adjusting head position in the operation.

Further, drive mechanism includes the rotating turret, the right side of rotating turret rotates and is connected with the main shaft, fixed cover is equipped with the gear on the main shaft, the bottom sliding connection of bed board has the rack, wheel and rack mesh mutually, and two push-and-pull rods all rotate with the rack and be connected, the cover is equipped with rings and positioning disk on the main shaft respectively, the top of rings and positioning disk all with the bottom fixed connection of bed board, beneficial effect: the transmission mechanism can control the fixed ring to ascend or descend after being controlled by the positioning mechanism, the fixed ring is opened when ascending, the head of the patient is placed in the fixed ring, then the fixed ring is controlled to descend by the positioning mechanism and the transmission mechanism, and the head of the patient can be positioned by the fixed ring.

Further, the positioning mechanism comprises a crank, the left side of the crank is fixedly connected with the main shaft, the right side of the handle is fixedly provided with an auxiliary shaft, the right side of the auxiliary shaft is fixedly provided with a baffle, the left side of the baffle is fixedly provided with a reset spring, the reset spring is sleeved on the auxiliary shaft, the left side of the reset spring is fixedly provided with a sliding disc, the inner side of the sliding disc is in sliding connection with the outer side of the auxiliary shaft, the sliding disc is matched with the positioning disc, the right side of the crank is rotatably connected with the handle, the handle is fixedly provided with a first belt pulley, the front side of the crank is rotatably connected with second belt pulleys which are symmetrically arranged, the number of the second belt pulleys is two, the two second belt pulleys are sleeved with one second belt, and the second belt pulley and the first belt pulley which are positioned above are sleeved with one first belt, second belt pulley front side fixed mounting who is located the below position has the cooperation pole, and the front side sliding connection of crank has the slide bar, the slide bar cooperatees with the cooperation pole, the right-hand member of slide bar extends to in the countershaft, the front side sliding connection of crank has the catch bar, the catch bar cooperatees with the cooperation pole, the right-hand member of catch bar and the left side sliding contact of positioning disk, the positioning disk is hollow structure, fixed mounting has compression spring on the inner wall of positioning disk, compression spring's top regulation is installed and is blockked the piece, the top that blocks the piece cooperatees with the countershaft, beneficial effect: the positioning mechanism is used for positioning the position of the fixing ring after the fixing ring moves to a proper position, so that the head of the patient can be positioned more stably, and the condition that the head position of the patient is adjusted in the operation is greatly reduced.

Further, the bottom fixed mounting of bed board has the stopper that the symmetry set up, the quantity of stopper is two, and one side that two stoppers are close to each other is respectively with two one side sliding contact that drive the piece and keep away from each other, beneficial effect: the stopper is used for showing the position of driving the piece, can effectually prevent to drive piece and bed board and break away from, prevents to drive the piece and loses the control to solid fixed ring.

Further, the left side fixed mounting of slip dish has the locating lever, a plurality of constant head tanks of equidistant range are seted up on the right side of slip dish, the left side of locating lever and the inner wall sliding contact of constant head tank, beneficial effect: when locating lever and constant head tank meshing, the locating lever just can block the sliding tray and rotate, and the sliding tray can only slide to the left side or to the right side on the countershaft, countershaft and crank fixed connection, crank and main shaft fixed connection have just realized the location to the main shaft, and the solid fixed ring of main shaft control has just also realized the location to solid fixed ring, realizes the solid more firm of patient's head.

Further, a rectangular sliding groove is formed in the auxiliary shaft, the outer side of the sliding rod is connected with the inner wall of the rectangular sliding groove in a sliding mode, and the sliding rod has the advantages that: the sliding rod can slide up and down in the auxiliary shaft, and the sliding rod can control the blocking block, so that the blocking block is separated from the blocking groove.

Further, the countershaft is provided with a blocking groove, the outer side of the blocking block is in sliding contact with the inner wall of the blocking groove, and the auxiliary shaft has the advantages that: when the blocking block is bounced into the blocking groove by the resilience of the compression spring, the blocking block can block the position of the sliding disc on the auxiliary shaft to display the continuous separation of the sliding disc and the positioning disc.

Further, horizontal spout has been seted up on the slide bar, fixed mounting has the round bar on the cooperation pole, the outside of round bar and the inner wall sliding contact of horizontal spout, beneficial effect: so that the top end of the matching rod can jack the sliding rod when rotating, and the sliding rod controls the blocking block.

Further, the front side fixed mounting of catch bar has the round piece, the cooperation spout has been seted up to the bottom of cooperation pole, the outside of round piece and the inner wall sliding connection of cooperation spout, beneficial effect: when the sliding rod rotates, the sliding rod can normally drive the push rod to slide to the right side or the left side in front of the crank to control the sliding disc.

Further, still include the catheterization structure, the catheterization structure includes the sleeve pipe and sets up respectively the catheter and the negative pressure pump at sleeve pipe both ends, the one end and the sleeve pipe intercommunication of catheter, the sealed urine that is provided with of the other end collect the cover, the inboard that the cover was collected to the urine is provided with and is used for being fixed in the viscose of human body, the urine is collected and is provided with along its edge in the cover and is used for the fixed skeleton ring of conformal bonding, the skeleton ring adopts deformable material to make, negative pressure pump and sleeve pipe intercommunication collect the cover to the urine and produce the negative pressure, collect urine, beneficial effect: because the operation time is long, the patient can not avoid incontinence under the uncontrolled condition, and the catheterization can be carried out through the catheterization structure, thereby solving the problem of urination in the interventional operation.

The invention has the beneficial effects that:

1. according to the head and neck fixing device suitable for the cerebrovascular interventional operation, the transmission mechanism can control the fixed ring to ascend or descend after being controlled by the positioning mechanism, the fixed ring is opened when ascending, the head of a patient is placed in the fixed ring, then the fixed ring is controlled to descend through the positioning mechanism and the transmission mechanism, and the head of the patient can be positioned by the fixed ring.

2. According to the head and neck fixing device suitable for the cerebrovascular interventional operation, the positioning mechanism is used for positioning the position of the fixing ring after the fixing ring moves to the proper position through the positioning mechanism, so that the head of a patient can be positioned more stably, the condition that the head position of the patient is adjusted in the operation is greatly reduced, the condition of repeated radiography is reduced, the condition of accidents is greatly reduced, and the workload of doctors is reduced.

3. According to the head and neck fixing device suitable for cerebrovascular interventional surgery, urine of a patient can be collected through the urethral catheterization structure, so that pollution is reduced, the cleanness level of the surgical environment is improved, and the comfort of the patient is also improved.

4. The head and neck fixing device suitable for the cerebrovascular interventional operation, disclosed by the invention, is simple in structure, the fixing ring is controlled to ascend or descend by the positioning mechanism and the transmission mechanism, the head of a patient is placed in the fixing ring after the fixing ring ascends, then the fixing ring is controlled to descend, the head of the patient can be fixed, the position of the fixing ring can be positioned, the head of the patient can be more stably fixed, the operation is simple, and the use is convenient.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a three-dimensional schematic view of the connection between a bed plate and a fixing ring in a head and neck fixing device suitable for cerebrovascular interventional surgery according to the present invention;

FIG. 2 is a schematic bottom view of a fixing ring of a head and neck fixation device suitable for cerebrovascular interventional surgery according to the present invention;

FIG. 3 is a side view of the head and neck fixation device for cerebrovascular interventional surgery according to the present invention;

FIG. 4 is a bottom view of the connection between the main shaft and the auxiliary shaft of the head and neck fixation device for cerebrovascular interventional surgery according to the present invention;

FIG. 5 is an enlarged view of A in FIG. 4 according to the present invention.

Reference numerals: 1 bed board, 2 fixed rings, 3 sliding frames, 4 driving blocks, 5 arc blocks, 6 limiting blocks, 7 push-pull rods, 8 rotating frames, 9 racks, 10 gears, 11 lifting rings, 12 main shafts, 13 auxiliary shafts, 14 stopping blocks, 15 reset springs, 16 sliding discs, 17 positioning discs, 18 crank handles, 19 handles, 20 first belt pulleys, 21 first belts, 22 second belt pulleys, 23 second belts, 24 sliding rods, 25 matching rods, 26 round blocks, 27 push rods, 28 compression springs, 29 blocking blocks, 30 sleeves, 31 urinary catheters, 32 round rods, 33 urine collecting covers, 34 skeleton rings, 35 viscose glue, 36 negative pressure pumps and 37 urine collectors.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1-5, a head and neck fixing device suitable for cerebrovascular interventional surgery comprises a bed plate 1, a sliding frame 3 is fixedly installed at the bottom of the bed plate 1, the sliding frame 3 is used for keeping a fixing ring 2 to vertically ascend or descend on the bed plate 1 so as to prevent the fixing ring 2 from hurting a patient, the fixing ring 2 is movably connected at the front side of the sliding frame 3, when the fixing ring is controlled to descend, the fixing ring 2 can buckle the head of the patient so as to fix the head of the patient, symmetrically arranged driving blocks 4 are slidably connected at the bottom of the bed plate 1, symmetrically arranged limiting blocks 6 are fixedly installed at the bottom of the bed plate 1, the number of the limiting blocks 6 is two, one side, close to each other, of the two limiting blocks 6 is in sliding contact with one side, away from each other, of the two driving blocks 4, the limiting blocks 6 are used for displaying the positions of the driving blocks 4, so as to effectively prevent the driving blocks 4 from being separated from the bed plate 1, prevent to drive piece 4 and lose the control to solid fixed ring 2, the quantity that drives piece 4 is two, two one sides that drive piece 4 and be close to each other all rotate and are connected with arc piece 5, one side that two arc pieces 5 are close to each other all with solid fixed ring 2 sliding connection, arc piece 5 and solid fixed ring 2 lug connection, when push-and-pull rod 7 control drive piece 4 was kept away from each other or was close to each other, drive piece 4 and drive arc piece 5 and keep away from each other or be close to each other again, arc piece 5 will be with solid fixed ring 2 pull down or with solid fixed ring 2 upwards extrude, just realized the rising or the decline of solid fixed ring 2 of control, two front sides that drive piece 4 all rotate and are connected with push-and-pull rod 7.

The bottom of the bed plate 1 is provided with a transmission mechanism, the right side of the bed plate 1 is provided with a positioning mechanism, the positioning mechanism is matched with the transmission mechanism, the transmission mechanism is matched with the push-pull rod 7, the transmission mechanism can be in contact positioning through the positioning mechanism, then the transmission mechanism can be controlled through the positioning mechanism, the transmission mechanism controls the fixed ring 2 to ascend or descend, the fixed ring 2 ascends and is opened, the head of a patient is placed in the fixed ring 2, then the fixed ring 2 descends through the positioning mechanism and the transmission mechanism, the fixed ring 2 can position the head of the patient to prevent the head of the patient from being adjusted in an operation, the bed plate 1 is fixedly provided with a sleeve 30, one end of the sleeve 30 is fixedly provided with a catheter 31, one end of the catheter 31 is fixedly provided with a urine collecting cover 33, a skeleton ring 34 is fixedly arranged in the urine collecting cover 33, the skeleton ring 34 is arranged along the outer edge of the urine collecting cover, it adopts deformable material to make like materials such as iron wire, makes it have certain conformability, better pastes in human skin, and for better improvement sealed and fixed level, be fixed with viscose 35 in the inboard of skeleton ring 34, simultaneously, be provided with a miniature negative pressure pump 36 and urine collector 37 at the sheathed tube other end, the negative pressure pump can be to the urine suction, the urine collector can deposit the urine for a short time to avoid the urine to stay in the cover, spill the problem on the operation table with the urine when taking off, polluted environment.

When in use, the urine collecting cover is arranged in the genital region, the skeleton ring is pressed to be in shape fitting with the human body, and then the skeleton ring is fixed by the viscose. When the patient has the urine intention, open the negative pressure pump, make the regional negative pressure that produces of genitals, continuously discharge the urine through the pipeline to store in the urine collector, improved the clean level of operation environment, also improved the comfort level of patient's operation in-process.

The transmission mechanism comprises a rotating frame 8, the right side of the rotating frame 8 is rotatably connected with a main shaft 12, a gear 10 is fixedly sleeved on the main shaft 12, the bottom of the bed plate 1 is slidably connected with a rack 9, the gear 10 is meshed with the rack 9, two push-pull rods 7 are rotatably connected with the rack 9, when the gear 10 rotates, the gear 10 can drive the rack 9 to move leftwards or rightwards, the rack 9 moves leftwards or rightwards, the rack 9 can drive two push rods 27, the two push rods 27 can drive the two driving blocks 4 to move leftwards, the two push rods 27 can drive the two driving blocks 4 to move close to each other, when the rack 9 moves rightwards, the rack 9 can drive the push rods 27, the push rods 27 can drive the two driving blocks 4 to expand, the two driving blocks 4 can control the fixed ring 2 to ascend or descend to fix the head of a patient, the main shaft 12 is respectively sleeved with a hanging ring 11 and a positioning disc 17, the tops of the hanging ring 11 and the positioning disc 17 are fixedly connected with the bottom of the bed plate 1, the hanging ring 11 is used for supporting the main shaft 12 and preventing the main shaft 12 from being separated from the bed plate 1, the transmission mechanism can control the fixing ring 2 to ascend or descend after being controlled by the positioning mechanism, the fixing ring 2 ascends and is opened, the head of a patient is placed in the fixing ring 2, then the fixing ring 2 is controlled to descend through the positioning mechanism and the transmission mechanism, and the fixing ring 2 can fix the head of the patient.

The positioning mechanism comprises a crank 18, the left side of the crank 18 is fixedly connected with the main shaft 12, the right side of a handle 19 is fixedly provided with an auxiliary shaft 13, the right side of the auxiliary shaft 13 is fixedly provided with a baffle 14, the left side of the baffle 14 is fixedly provided with a return spring 15, the return spring 15 is sleeved on the auxiliary shaft 13, the left side of the return spring 15 is fixedly provided with a sliding disc 16, the inner side of the sliding disc 16 is slidably connected with the outer side of the auxiliary shaft 13, the sliding disc 16 is matched with a positioning disc 17, the left side of the sliding disc 16 is fixedly provided with a positioning rod, the right side of the sliding disc 16 is provided with a plurality of positioning grooves which are arranged at equal intervals, the left side of the positioning rod is in sliding contact with the inner walls of the positioning grooves, when the positioning rod is meshed with the positioning grooves, the sliding disc 16 can block the rotation of the sliding disc 16, the sliding disc 16 can only slide towards the left side or towards the right side on the auxiliary shaft 13, the auxiliary shaft 13 is fixedly connected with the crank 18, the crank 18 is fixedly connected with the main shaft 12, the positioning of the main shaft 12 is realized, the main shaft 12 controls the fixing ring 2, the positioning of the fixing ring 2 is also realized, the head of a patient is more stably fixed, the right side of the crank 18 is rotatably connected with a handle 19, the handle 19 conveniently controls the crank 18 to rotate, meanwhile, the handle 19 can be also accommodated on the crank 18, a first belt pulley 20 is fixedly arranged on the handle 19, the front side of the crank 18 is rotatably connected with two symmetrically-arranged second belt pulleys 22, the two second belt pulleys 22 are sleeved with the same second belt 23, the second belt pulley 22 and the first belt pulley 20 which are positioned at the upper position are sleeved with the same first belt 21, the front side of the second belt pulley 22 which is positioned at the lower position is fixedly provided with a matching rod 25, the front side of the crank 18 is movably connected with a sliding rod 24, the sliding rod 24 is matched with the matching rod 25, a horizontal sliding groove is formed in the sliding rod 24, fixed mounting has round bar 32 on the cooperation pole 25, the outside of round bar 32 and the inner wall sliding contact of horizontal spout, make the top of cooperation pole 25 can jack-up slide bar 24 when rotating, slide bar 24 controls stopper 29 again, the right-hand member of slide bar 24 extends to in the countershaft 13, the rectangle spout has been seted up on the countershaft 13, the outside of slide bar 24 and the inner wall sliding connection of rectangle spout, make slide bar 24 can slide from top to bottom in countershaft 13, slide bar 24 is with regard to steerable stopper 29, make stopper 29 and the separation of stopping the groove.

A push rod 27 is connected to the front side of the crank 18 in a sliding manner, the push rod 27 is matched with the matching rod 25, a round block 26 is fixedly installed on the front side of the push rod 27, a matching sliding groove is formed in the bottom of the matching rod 25, the outer side of the round block 26 is connected with the inner wall of the matching sliding groove in a sliding manner, so that when the sliding rod 24 rotates, the sliding rod 24 can normally drive the push rod 27 to slide to the right side or to the left side of the front side of the crank 18 to control the sliding disc 16, the right end of the push rod 27 is in sliding contact with the left side of the positioning disc 17, the positioning disc 17 is of a hollow structure, a compression spring 28 is fixedly installed on the inner wall of the positioning disc 17, a blocking block 29 is installed at the top end of the compression spring 28, the top end of the blocking block 29 is matched with the auxiliary shaft 13, a blocking groove is formed in the auxiliary shaft 13, the outer side of the blocking block 29 is in sliding contact with the inner wall of the blocking groove, when the blocking block 29 is rebounded into the blocking groove by the compression spring 28, the stop block 29 will stop the position of the sliding disk 16 on the auxiliary shaft 13 to show the continuous separation of the sliding disk 16 and the positioning disk 17, and the positioning mechanism is used for positioning the position of the fixing ring 2 after the fixing ring 2 moves to a proper position, so as to realize more stable positioning of the head of the patient, thereby greatly reducing the situation that the head position of the patient is adjusted in the operation.

This neck fixing device theory of operation suitable for operation is intervene to cerebral vessel: when the head of a patient needs to be fixed, firstly, rotating the handle 19 counterclockwise on the crank 18, unfolding the handle 19 and the crank 18, when the handle 19 rotates on the right side of the crank 18, the handle 19 drives the first belt 21 to rotate through the first belt pulley 20, the first belt 21 drives the second belt pulley 22 to rotate, the second belt pulley 22 drives the belt pulley on the lower position to rotate through the second belt 23, at the moment, the second belt pulley 22 on the lower position drives the matching rod 25 to rotate counterclockwise, the top end of the matching rod 25 lifts the sliding rod 24 upwards, the sliding rod 24 is released from blocking and slides on the inner wall of the rectangular chute, the bottom end of the matching rod 25 moves towards the right side and pushes the pushing rod 27 to move towards the right side, at the moment, the pushing rod 27 pushes the positioning plate 17 to slide towards the right side on the auxiliary shaft 13 and compresses the return spring 15, at the positioning plate 17 drives the positioning plate to move towards the right side and separate from the positioning plate 17, at the moment, the crank 18 and the auxiliary shaft 13 can rotate freely, when the positioning disc 17 moves to the right side and the stop block 29 is aligned with the stop groove, the compression spring 28 is in a compressed state, the compression spring 28 can eject the stop block 29 into the stop groove, at the moment, the stop block 29 can stop the sliding disc 16 from sliding on the auxiliary shaft 13 to position the position of the sliding disc 16, then the crank 18 is rotated through the handle 19, the crank 18 further drives the main shaft 12 to rotate, the main shaft 12 further drives the gear 10 to rotate, the gear 10 can rotate counterclockwise in the figure 3 and drives the rack 9 to move to the right side, the right end of the rack 9 is rotatably connected with the push-pull rod 7, the rack 9 can pull the two push-pull rods 7 in the figure 2, at the moment, the two drive blocks 4 can pull the two drive blocks 4 to approach each other, the two arc blocks 5 can extrude the fixing ring 2, the fixing ring 2 is pushed to slide on the sliding frame 3, at the moment, the fixing ring 2 rises on the bed plate 1, the distance between the fixing ring 2 and the bed plate 1 is opened, and then the head of the patient is placed in the fixing ring 2.

Then the handle 19 is reversed, at this time, the gear 10 rotates along the pointer in fig. 3, then the rack 9 is driven to move towards the right side, the rack 9 pushes the two push-pull rods 7 in fig. 2, at this time, the two push rods 27 push the two driving blocks 4 to move away from each other, the two driving blocks 4 drive the two arc blocks 5 to move away from each other, the two arc blocks 5 slide outside the fixing ring 2, the arc block 5 at the right side slides to the right side of the fixing ring 2 from the bottom, the arc block 5 at the left side slides to the left side of the fixing ring 2 from the bottom of the fixing ring 2, the vertical position for the arc block 5 is unchanged, therefore, the position of the fixing ring 2 is lowered, the inner wall at the top of the fixing ring 2 is tightly attached to the head of the patient to fix the head of the patient, the handle 19 is rotated along the pointer on the crank 18 after the head of the patient is fixed, so that the bottom of the handle 19 is tightly attached to the right side of the crank 18, folding handle 19, handle 19 will drive first belt 21 through first belt pulley 20 and reverse this moment, first belt 21 drives second belt pulley 22 again and reverses, second belt pulley 22 rethread second belt pulley 23 drives the second belt pulley 22 of below position and reverses, the second belt pulley 22 of below position will drive cooperation pole 25 clockwise turning this moment, slide bar 24 is pressed down to the top of cooperation pole 25, slide bar 24 slides down on the inner wall of rectangle spout and promotes to block piece 29 and block the groove and break away from, block piece 29 recompression compression spring 28, the bottom of cooperation pole 25 can rotate left side this moment and drive catch bar 27 and remove to the left side in the front of crank 18 and release slide disc 16.

After the blocking block 29 is separated from the blocking groove, the sliding disc 16 is not limited by the blocking block 29, then the sliding disc 16 moves to the left side through the resilience of the return spring 15 and drives the positioning rod to be inserted into the positioning groove on the right side of the positioning disc 17 again, at the moment, the positioning rod can block the sliding disc 16, the auxiliary body and the main shaft 12 to rotate, the positioning of the position of the fixing ring 2 is realized, the positioning of the head fixing position of a patient is also realized, because the operation time is long, the patient can difficultly avoid incontinence under the uncontrolled condition, one end of the catheter 31 can be inserted into the crotch of the patient, the left side of the urine collecting cover 33 can be attached to the skin of the patient through the bent skeleton ring 34, then the urine collecting cover 33 is attached to the skin of the patient by using the double-faced adhesive tape 35, the urine collecting cover 33 is attached to the skin of the patient, and the urine of the patient only flows into the urine collecting cover 33, then the urine of the patient can be completely led out by the urine collecting cover 33 flowing into the catheter 31, and the bottom end of the catheter 31 is received by a vessel.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The utility model provides a neck fixing device suitable for operation is intervene to blood vessel, includes the bed board, its characterized in that, the bottom fixed mounting of bed board has the carriage, the front side sliding connection of carriage has solid fixed ring, the bottom sliding connection of bed board has the drive piece that the symmetry set up, the quantity of drive piece is two, and two one sides that drive the piece and be close to each other all rotate and are connected with the arc piece, and one side that two arc pieces are close to each other all with solid fixed ring sliding connection, the front side of two drive pieces all rotates and is connected with the push-and-pull rod, the bottom of bed board is equipped with drive mechanism, the right side of bed board is equipped with positioning mechanism, positioning mechanism cooperatees with drive mechanism, drive mechanism cooperatees with the push-and-pull rod.

2. The head and neck fixation device for cerebrovascular interventional surgery as claimed in claim 1, wherein the transmission mechanism comprises a rotating frame, the right side of the rotating frame is rotatably connected with a main shaft, the main shaft is fixedly sleeved with a gear, the bottom of the bed plate is slidably connected with a rack, the gear is meshed with the rack, two push-pull rods are rotatably connected with the rack, the main shaft is respectively sleeved with a hanging ring and a positioning disk, and the tops of the hanging ring and the positioning disk are fixedly connected with the bottom of the bed plate.

3. The head and neck fixing device for cerebrovascular intervention surgery as claimed in claim 2, wherein the positioning mechanism comprises a crank, the left side of the crank is fixedly connected with the main shaft, the right side of the crank is rotatably connected with a handle, the right side of the handle is fixedly provided with an auxiliary shaft, the right side of the auxiliary shaft is fixedly provided with a baffle, the left side of the baffle is fixedly provided with a return spring, the return spring is sleeved on the auxiliary shaft, the left side of the return spring is fixedly provided with a sliding disc, the inner side of the sliding disc is slidably connected with the outer side of the auxiliary shaft, the sliding disc is matched with the positioning disc, the right side of the crank is rotatably connected with a handle, the handle is fixedly provided with a first belt pulley, the front side of the crank is rotatably connected with two symmetrically arranged second belt pulleys, the two second belt pulleys are sleeved with the same second belt, the cover is equipped with same first belt on second belt pulley and the first belt pulley that is located the top position, and the second belt pulley front side fixed mounting that is located the below position has the cooperation pole, and the front side sliding connection of crank has the slide bar, the slide bar cooperatees with the cooperation pole, the right-hand member of slide bar extends to in the countershaft, the front side sliding connection of crank has the catch bar, the catch bar cooperatees with the cooperation pole, the right-hand member of catch bar and the left side sliding contact of positioning disk, the positioning disk is hollow structure, fixed mounting has compression spring on the inner wall of positioning disk, compression spring's top regulation is installed and is blockked the piece, the top that blocks the piece cooperatees with the countershaft.

4. The head and neck fixing device for cerebrovascular interventional surgery as defined in claim 1, wherein the bottom of the bed plate is fixedly provided with two symmetrically arranged limiting blocks, and the side of the two limiting blocks close to each other is in sliding contact with the side of the two driving blocks away from each other.

5. The head and neck fixation device for cerebrovascular interventional surgery as defined in claim 3, wherein a positioning rod is fixedly installed at the left side of the sliding disk, a plurality of positioning grooves are formed at the right side of the sliding disk and are arranged at equal intervals, and the left side of the positioning rod is in sliding contact with the inner walls of the positioning grooves.

6. The head and neck fixation device for cerebrovascular interventional procedures as in claim 3, wherein the auxiliary shaft is provided with a rectangular sliding groove, and the outer side of the sliding rod is slidably connected with the inner wall of the rectangular sliding groove.

7. The cervical fixation device for cerebrovascular interventional procedures as claimed in claim 3, wherein the auxiliary shaft is provided with a blocking groove, and the outer side of the blocking block is in sliding contact with the inner wall of the blocking groove.

8. The head and neck fixation device for cerebrovascular interventional surgery as defined in claim 3, wherein the sliding rod is provided with a horizontal sliding groove, the engaging rod is fixedly provided with a round rod, and the outer side of the round rod is in sliding contact with the inner wall of the horizontal sliding groove.

9. The head and neck fixation device for cerebrovascular interventional surgery as defined in claim 3, wherein a round block is fixedly installed at the front side of the pushing rod, a matching sliding groove is opened at the bottom of the matching rod, and the outer side of the round block is slidably connected with the inner wall of the matching sliding groove.

10. The head and neck fixation device for cerebrovascular interventional surgery according to any one of claims 1 to 9, further comprising a urinary catheterization structure, wherein the urinary catheterization structure comprises a casing, and a urinary catheter and a negative pressure pump respectively disposed at two ends of the casing, one end of the urinary catheter is communicated with the casing, the other end of the urinary catheter is hermetically provided with a urine collection cover, the inner side of the urine collection cover is provided with an adhesive for fixation on a human body, a skeleton ring for conformal adhesive fixation is disposed along the edge of the urine collection cover, the skeleton ring is made of a deformable material, and the negative pressure pump is communicated with the casing to generate negative pressure on the urine collection cover to collect urine.