CN209187400U - Neurosurgery head immobilization device - Google Patents

Abstract

The utility model discloses a kind of neurosurgery head fixing devices, pedestal is fixed on the bottom of support plate, concave part and vertical chute are provided in support plate, fixed baffle bottom is limited in vertical chute, clamping device includes left clamping plate and right clamping plate, the arc stationary plane of left clamping plate and right clamping plate is provided with air bag, the bottom of left clamping plate and right clamping plate is respectively connected with slide bar and adjusting rod, transverse opening slot is provided on the lower surface of support plate, the two sides that the upper surface of support plate is located at concave part are respectively arranged with left sliding slot and right rail, the both ends of transverse opening slot are provided with support rod, horizontal concrete chute is provided on adjustable plate in transverse opening slot, sawtooth portion is provided on the lower surface of left adjusting rod and right adjusting rod, left adjusting rod and right adjusting rod have been respectively arranged below left adjustment gear and right adjustment gear.The head of different users can be firmly fixed in head fixing device provided by the utility model.

Description

Neurosurgery head immobilization device

technical field

The utility model relates to the technical field of medical instruments, in particular to a head fixing device for neurosurgery.

Background technique

Neurosurgery is a branch of surgery that applies unique neurosurgery research methods on the basis of surgery as the main treatment method to study the human nervous system, such as the brain, spinal cord and peripheral nervous system, and related Affiliated organs, such as skull, scalp, cerebrovascular meninges and other structural damage, inflammation, tumors, deformities and certain genetic metabolic disorders or functional disorders, such as: epilepsy, Parkinson's disease, neuralgia and other diseases etiology and pathogenesis , and explore a high-level, refined and cutting-edge discipline of new diagnosis, treatment and prevention technologies. Neurosurgery mainly treats diseases of the nervous system such as the brain and spinal cord caused by trauma, such as life-threatening cerebral hemorrhage, trauma to the brain caused by a car accident, or tumor compression on the brain requiring surgery.

During neurosurgery head surgery, it is necessary to fix the patient's head and neck, and the current fixation method only slightly fixes the patient's head. Accidentally, it increases the difficulty of work for medical personnel, and at the same time, the existing fixation method cannot be adjusted, which cannot satisfy the fixation of the heads of different patients.

Utility model content

The purpose of the present invention is to provide a head fixing device for neurosurgery, so as to solve the above deficiencies in the prior art.

In order to achieve the above object, the utility model provides the following technical solutions:

A head fixing device for neurosurgery, comprising a seat body and a support plate, the seat body is fixed on the bottom of the support plate, and also includes a fixed baffle plate and a clamping device, the support plate is provided with a head rear The groove part is placed in the upper part, the side of the groove part close to the upper side of the support plate is provided with a vertical chute, and the bottom of the fixed baffle is provided with a sliding bar, and the sliding bar is limited to the A fixing mechanism is arranged between the sliding bar and the side wall of the vertical chute; the clamping device includes a left clamping plate and a right clamp The left clamping plate and the right clamping plate are both provided with an arc-shaped fixing surface, an airbag is arranged in the arc-shaped fixing surface, a left sliding rod is arranged at the bottom of the left clamping plate, and the left The lower end of the sliding rod is connected with a left adjusting rod, the bottom of the right clamping plate is provided with a right sliding rod, the lower end of the right sliding rod is connected with a right adjusting rod, and the lower surface of the supporting plate is provided with a transverse opening The transverse opening groove is arranged along the length direction of the support plate, the upper surface of the support plate is provided with a left chute and a right chute, and the left chute and the right chute are arranged in the groove Both sides of the left and right sliding grooves are communicated with the transverse opening grooves, and the left sliding rod and the right sliding rod are respectively confined in the left and right sliding grooves; also includes a clip Tightening adjustment mechanism, the clamping adjustment mechanism includes an adjustment plate arranged in the transverse opening groove, both ends of the transverse opening groove are provided with support rods, and the two ends of the adjustment plate are fixed on the sliding adjustment mechanism. On the support rod, the adjustment plate is provided with a transverse sliding slot for the left sliding rod and the right sliding rod to slide, and the lower end of the left sliding rod is connected to the left adjustment rod through the transverse sliding groove , the lower end of the right sliding rod is connected to the right adjusting rod through the transverse chute, the lower surfaces of the left adjusting rod and the right adjusting rod are provided with serrations, and the lower part of the left adjusting rod is provided There is a left adjustment gear, the left adjustment gear engages with the serrations on the left adjustment rod, and a right adjustment gear is arranged below the right adjustment rod, and the right adjustment gear is in contact with the serration on the right adjustment rod. The serrations are engaged with each other, and a drive unit is provided on the left and right gears.

In the above-mentioned head fixing device for neurosurgery, the sliding adjustment mechanism includes a vertical adjustment groove arranged on the support rod, the vertical adjustment groove is arranged along the length direction of the support rod, and the two sides of the adjustment plate are arranged along the length direction of the support rod. The ends are constrained within the vertical adjustment slot.

In the above-mentioned head fixing device for neurosurgery, the two ends of the adjustment plate are respectively provided with support bars, the support bars are provided with support blocks, the support blocks are located directly below the support bars, and the support bars An elastic support is arranged between the strip and the support block.

In the above-mentioned head fixing device for neurosurgery, the sliding adjustment mechanism further includes an adjustment member, and the adjustment member includes a connecting rod arranged on the adjustment plate, and a connecting channel is provided inside the connecting rod, and the A pull cord is arranged inside the connection channel, and the upper end of the pull cord penetrates the connection channel and is fixed on the adjustment plate.

The above-mentioned head fixing device for neurosurgery further includes a motor, the motor is fixed in the seat, a rotating disk is connected to the motor, a roller is provided on the support block, and the lower end of the pull rope is surrounded by The roller is then fixed on the rotating disc.

In the above-mentioned neurosurgery head fixing device, an upper limit block and a lower limit block are provided on the left sliding rod and the right sliding rod, and the upper limit block and the lower limit block are respectively located directly above the adjustment plate and just below to limit the vertical movement of the left sliding rod and the right sliding rod.

In the above technical solution, the head fixing device for neurosurgery provided by the present invention includes a seat body and a support plate. The support plate is provided with a groove portion and a vertical chute, and the vertical chute is detachably arranged There is a fixed baffle, the back of the patient's head can be fixed by the fixed baffle, and can be removed during the operation, which is convenient for the operation. The clamping device includes a left clamping plate and a right clamping plate, and the support plate is provided with There is a transverse opening slot, a left chute and a right chute communicated with the transverse opening slot, the bottom of the left clamping plate is provided with a left sliding rod and a left adjusting rod connected to the bottom of the left sliding rod, and the bottom of the right clamping plate is provided with The right sliding rod and the right adjusting plate can drive the left adjusting gear and the right adjusting gear to rotate through the driving unit, and can drive the left sliding rod and the right sliding rod to slide along the left chute and the right chute respectively, so that the left clamping plate and the right clamping plate can be driven to rotate. The horizontal position of the tightening plate can be adjusted, and the height of the adjusting plate, the left clamping plate and the right clamping plate can be adjusted through the sliding adjustment mechanism, so that the head fixing device can be adjusted and the heads of different patients can be fixed. , and the head can be firmly fixed through the cooperation of the fixed baffle, the left clamping plate and the right clamping plate, the patient cannot move, and accidents during the operation are avoided.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only in the present invention For some of the described embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

1 is a schematic structural diagram of a head fixing device for neurosurgery provided by an embodiment of the present invention;

2 is a top view of a support plate provided by an embodiment of the present invention.

Description of reference numbers:

1. Support plate; 1.1, groove part; 1.2, vertical chute; 1.3, left chute; 1.4, right chute; 1.5, air bag; 1.6, lateral opening slot; 1.7, adjusting plate; 1.8, lateral chute ;2, fixed baffle; 3, base body; 3.1, support rod; 3.2, support bar; 3.3, support block; 3.4, elastic support; 3.5, connecting rod; 3.6, pull rope; 3.7, rotating disc; 3.8, Motor; 4. Clamping device; 4.1, Left clamping plate; 4.2, Right clamping plate; 4.3, Left sliding rod; 4.4, Right sliding rod; 4.5, Left adjusting rod; 4.6, Right adjusting rod; 4.7, Serrated part ; 5. Left adjusting gear; 6. Drive unit; 7. Right adjusting gear.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1-2 , a neurosurgery head fixing device provided by an embodiment of the present invention includes a base, and the base includes a base 3 and a support plate 1 , and the base 3 is fixed on the The bottom of the support plate 1 also includes a fixed baffle 2 and a clamping device 4. The support plate 1 is provided with a groove portion 1.1 placed at the rear of the head, and the groove portion 1.1 is close to the support plate 1. One side of the side is provided with a vertical chute 1.2, the bottom of the fixed baffle 2 is provided with a sliding bar, the sliding bar is limited in the supporting chute and can move along the vertical chute 1.2, The sliding bar and the side wall of the vertical chute 1.2 are provided with a fixing mechanism; the clamping device 4 includes a left clamping plate 4.1 and a right clamping plate 4.2, the left clamping plate 4.1 and the right clamping plate 4.1 The plates 4.2 are all provided with an arc-shaped fixing surface, and an airbag 1.5 is arranged in the arc-shaped fixing surface. The bottom of the left clamping plate 4.1 is provided with a left sliding rod 4.3, and the lower end of the left sliding rod 4.3 is connected with a left adjustment Rod 4.5, the bottom of the right clamping plate 4.2 is provided with a right sliding rod 4.4, the lower end of the right sliding rod 4.4 is connected with a right adjusting rod 4.6, the lower surface of the support plate 1 is provided with a transverse opening slot 1.6 , the transverse opening slot 1.6 is arranged along the length direction of the support plate 1, and the upper surface of the support plate 1 is provided with a left chute 1.3 and a right chute 1.4, the left chute 1.3 and the right chute 1.4 Set on both sides of the groove part 1.1, the left sliding groove 1.3 and the right sliding groove 1.4 are connected with the transverse opening groove 1.6, and the left sliding rod 4.3 and the right sliding rod 4.4 are respectively limited to the In the left chute 1.3 and the right chute 1.4; also includes a clamping adjustment mechanism, the clamping adjustment mechanism includes an adjustment plate 1.7 arranged in the lateral opening slot 1.6, both ends of the lateral opening slot 1.6 are provided with There is a support rod 3.1, the two ends of the adjustment plate 1.7 are fixed on the support rod 3.1 through a sliding adjustment mechanism, and the adjustment plate 1.7 is provided with a lateral slide for the left sliding rod 4.3 and the right sliding rod 4.4 to slide. Slot 1.8, the lower end of the left sliding rod 4.3 is connected to a left adjustment rod 4.5 through the transverse chute 1.8, the lower end of the right sliding rod 4.4 is connected to a right adjustment rod 4.6 through the transverse chute 1.8, and the left The lower surfaces of the adjustment rod 4.5 and the right adjustment rod 4.6 are provided with serrations 4.7, and a left adjustment gear 5 is arranged below the left adjustment rod 4.5. The left adjustment gear 5 and the serrations on the left adjustment rod 4.5 The right adjustment gear 7 is arranged under the right adjustment rod 4.6, and the right adjustment gear 7 is meshed with the sawtooth part 4.7 on the right adjustment rod 4.6. The left gear and the right gear A drive unit 6 is provided on both.

Specifically, the support plate 1 is used to support the user's head, the seat body 3 is fixed at the bottom of the support plate 1 , the seat body 3 supports and fixes the support plate 1 , and is located on the upper surface of the support plate 1 . There is a groove part 1.1 on which the head is placed. The shape of the groove part 1.1 is consistent with the shape of the back of the head. The groove part 1.1 can be provided with sponges, airbags 1.5 and ventilation holes, etc. The support plate 1 is also provided with There are a fixed baffle 2 and a clamping device 4. The fixed baffle 2 is used to support and fix the rear of the head. The support plate 1 is provided with a vertical chute 1.2, and the vertical chute 1.2 is arranged along the width direction of the support plate 1. , and the vertical chute 1.2 is arranged on the side of the groove portion 1.1 close to the upper side of the support plate 1, the bottom of the fixed baffle 2 is provided with a sliding bar, and the sliding bar is located in the vertical chute 1.2 and can move along the vertical The chute 1.2 slides, so that the position of the fixed baffle 2 can be changed, and the top of the user's head can be restricted and fixed through the fixed baffle 2. Between the sliding bar and the side wall of the vertical chute 1.2, there is a Fixing mechanism, the fixing mechanism can be a locking rod, a locking buckle or other structures, the sliding bar can be fixed at any position in the vertical chute 1.2 through the fixing mechanism, and the fixed baffle 2 can also be removed from the vertical chute 1.2. It can be removed inside to facilitate the operation on the user's head.

In this embodiment, the clamping device 4 is used to support and fix the left and right sides of the user's head, and the clamping device 4 includes a left clamping plate 4.1 and a right clamping plate 4.2, a left clamping plate 4.1 and a right clamping plate The clamping plates 4.2 are all provided with arc-shaped fixing surfaces, and the arc-shaped fixing surfaces are arranged on the opposite surfaces of the left clamping plate 4.1 and the right clamping plate 4.2, and an airbag 1.5 is arranged in the arc-shaped fixing surface. The airbag 1.5 on the right clamping plate 4.2 can well fix the left and right sides of the user's head, and adding the airbag 1.5 can increase the comfort of the user. The bottom of the left clamping plate 4.1 is provided with a left sliding rod 4.3. The lower end of the left sliding rod 4.3 is connected with a left adjusting rod 4.5, through which the position of the left clamping plate 4.1 can be adjusted, and the lower end of the right clamping plate 4.2 is connected with a right adjusting rod 4.6, which can be adjusted by the right adjusting rod 4.6. To adjust the position of the right clamping plate 4.2, in order to adjust the positions of the left adjustment rod 4.5 and the right adjustment rod 4.6, a clamping adjustment mechanism is arranged inside the seat body 3, and the clamping adjustment mechanism includes the left adjustment gear 5 and The right adjustment gear 7, the left adjustment gear 5 is arranged below the left adjustment rod 4.5, the lower surface of the left adjustment rod 4.5 is provided with a serrated part 4.7 that engages with the left adjustment gear 5, and the right adjustment gear 7 is arranged on the right adjustment rod Below 4.6, the lower surface of the right adjusting rod 4.6 is provided with a serrated portion 4.7 that engages with the right adjusting gear 7. The left adjusting gear 5 and the right adjusting gear 7 are both provided with a driving unit 6, and the left adjusting The adjustment gear 5 and the right adjustment gear 7 rotate, thereby driving the left adjustment rod 4.5 and the right adjustment rod 4.6 to move, thereby adjusting and fixing the positions of the left clamping plate 4.1 and the right clamping plate 4.2.

In this embodiment, in order to limit the moving directions of the left clamping plate 4.1 and the right clamping plate 4.2, a transverse opening groove 1.6 is provided on the lower surface of the support plate 1, and the opening of the transverse opening groove 1.6 is provided on the support plate 1. On the lower surface of the support plate 1, the horizontal opening slot 1.6 is arranged along the length direction of the support plate 1, the horizontal opening slot 1.6 is arranged vertically with the vertical chute 1.2, and the upper surface of the support plate 1 is provided with a left chute 1.3 and a right chute 1.4. The chute 1.3 and the right chute 1.4 are located on both sides of the groove part 1.1, and the left chute 1.3 and the right chute 1.4 are located directly above the lateral opening slot 1.6, and the left chute 1.3 and right chute 1.4 and the lateral opening slot 1.6 They are all connected, and an adjustment plate 1.7 is also arranged inside the transverse opening slot 1.6. The adjustment plate 1.7 is arranged along the length direction of the transverse opening slot 1.6. The two ends of the transverse opening slot 1.6 are provided with support rods 3.1, and the support rods 3.1 are fixed on the seat. On the body 3, the two ends of the adjustment plate 1.7 are fixed on the support rod 3.1 through the sliding adjustment mechanism. The plate 1.7 is provided with a transverse chute 1.8, the transverse chute 1.8 is arranged along the length direction of the adjusting plate 1.7, the lower end of the left sliding rod 4.3 passes through the left chute 1.3, the transverse chute 1.8 and the transverse opening groove 1.6 in turn, and the left adjustment rod 4.5 is fixed At the lower end of the left slide bar 4.3, the lower end of the right slide bar 4.4 passes through the right slide slot 1.4, the lateral slide slot 1.8 and the lateral opening slot 1.6 in sequence, and the right adjustment bar 4.6 is fixed at the lower end of the right slide bar 4.4, thus restricting the left slide bar 4.3 and the right slide bar 4.4 slide along the left chute 1.3 and the right chute 1.4 respectively to adjust the horizontal positions of the left clamping plate 4.1 and the right clamping plate 4.2, and can adjust the height of the left clamping plate 4.1 and the right clamping plate 4.2. The vertical positions of the clamping plate 4.1 and the right clamping plate 4.2 are adjusted, so that the left clamping plate 4.1 and the right clamping plate 4.2 can fix the heads of different users.

The neurosurgery head fixing device provided by the embodiment of the present invention includes a base body 3 and a support plate 1. The support plate 1 is provided with a groove portion 1.1 and a vertical chute 1.2, and the vertical chute 1.2 is detachable The device is provided with a fixed baffle 2, the back of the patient's head can be fixed through the fixed baffle 2, and can be removed during the operation to facilitate the operation, the clamping device 4 includes a left clamping plate 4.1 and a right clamping plate 4.1 Plate 4.2, the support plate 1 is provided with a transverse opening slot 1.6 and a left chute 1.3 and a right chute 1.4 that communicate with the transverse opening slot 1.6, and the bottom of the left clamping plate 4.1 is provided with a left slide bar 4.3 and is connected to the left slide bar 4.3 The left adjusting rod 4.5 at the bottom, the bottom of the right clamping plate 4.2 is provided with a right sliding rod 4.4 and a right adjusting plate 1.7, the left adjusting gear 5 and the right adjusting gear 7 are driven to rotate by the driving unit 6, which can drive the left sliding rod 4.3 and The right slide bar 4.4 slides along the left chute 1.3 and the right chute 1.4 respectively, so as to adjust the horizontal position of the left clamping plate 4.1 and the right clamping plate 4.2. At the same time, the adjustment plate 1.7 and the left clamping plate can be clamped through the sliding adjustment mechanism. The heights of the plate 4.1 and the right clamping plate 4.2 are adjusted so that the head immobilization device can be adjusted so that the heads of different patients can be immobilized, and by fixing the baffle plate 2, the left clamping plate 4.1 and the right clamping plate 4.2 The combination can firmly fix the head, the patient cannot move, and avoid accidents during the operation.

In this embodiment, preferably, the sliding adjustment mechanism includes a vertical adjustment groove disposed on the support rod 3.1, the vertical adjustment groove is disposed along the length direction of the support rod 3.1, and the two sides of the adjustment plate 1.7 The ends are limited in the vertical adjustment groove; the two ends of the adjustment plate 1.7 can be provided with sliding parts, and the sliding parts are limited in the vertical adjustment groove and can slide up and down along the vertical adjustment groove, so as to adjust the height of the adjustment plate 1.7 .

In this embodiment, preferably, the two ends of the adjusting plate 1.7 are respectively provided with support bars 3.2, the support bars 3.1 are provided with support blocks 3.3, and the support blocks 3.3 are located directly below the support bars 3.2, An elastic support member 3.4 is arranged between the support bar 3.2 and the support block 3.3; the elastic support member 3.4 can be a compression spring or other structure, the support bar 3.2 is vertically downward along the two ends of the adjusting plate 1.7, and the support bar 3.2 The elastic support member 3.4 between the support block 3.3 and the support block 3.3 supports the adjustment plate 1.7, and at the same time can limit the movement of the adjustment plate 1.7.

In this embodiment, preferably, the sliding adjustment mechanism further includes an adjustment member, and the adjustment member includes a connecting rod 3.5 disposed on the side of the support block 3.3, and a connecting channel is provided inside the connecting rod 3.5. A pull cord 3.6 is arranged inside the connection channel, and the upper end of the pull cord 3.6 penetrates the connection channel and is fixed on the adjustment plate 1.7; it also includes a motor 3.8, which is fixed in the base body 3, so The motor 3.8 is connected with a rotating disk 3.7, the support block 3.3 is provided with a roller, and the lower end of the pulling rope 3.6 is fixed on the rotating disk 3.7 after surrounding the roller. The elastic support 3.4 is always in a compressed state, and the adjustment plate 1.7 is controlled by stretching. When the position of the adjustment plate 1.7 needs to be adjusted, the rotating plate 3.7 is driven by the motor 3.8 to rotate, and the length of the pull rope 3.6 is adjusted to control The adjusting plate 1.7 moves up or down to control the height of the adjusting plate 1.7, and a locking mechanism can also be provided at the same time. After the position of the adjusting plate 1.7 is adjusted, the position of the adjusting plate 1.7 is fixed.

In this embodiment, preferably, the left sliding rod 4.3 and the right sliding rod 4.4 are provided with an upper limit block and a lower limit block, and the upper limit block and the lower limit block are respectively located directly above the adjustment plate 1.7 and just below to limit the vertical movement of the left sliding rod 4.3 and the right sliding rod 4.4; the upper limit block is located above the adjustment plate 1.7, the lower limit block is located below the adjustment plate 1.7, and the upper limit block and the lower limit The distance between the blocks is slightly larger than the thickness of the adjustment plate 1.7, so when the adjustment plate 1.7 moves up and down, it will drive the left slide bar 4.3 and the right slide bar 4.4 to move up and down together, so that the left clamping plate 4.1 and the right clamping plate can be moved up and down. Adjust the position of 4.2. During the actual operation, first adjust the horizontal position of the left clamping plate 4.1 and the right clamping plate 4.2. When the left clamping plate 4.1 and the right clamping plate are clamped through the left adjustment gear 5 and the right adjustment gear After the horizontal position of the plate 4.2 is adjusted and fixed, the vertical positions of the left splint and the right splint are adjusted by the vertical adjustment mechanism.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it goes without saying that for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, various different Modifications are made to the described embodiments. Accordingly, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims (4)

1. a neurosurgery head fixing device, comprising a seat body and a support plate, the seat body is fixed on the bottom of the support plate, it is characterized in that, also comprises a fixed baffle plate and a clamping device, the support The plate is provided with a groove part for the rear part of the head to be placed, the side of the groove part close to the upper side of the support plate is provided with a vertical chute, and the bottom of the fixed baffle is provided with a sliding bar, so The sliding bar is limited in the vertical sliding groove and can slide along the vertical sliding groove, and a fixing mechanism is provided between the sliding bar and the side wall of the vertical sliding groove; The clamping device includes a left clamping plate and a right clamping plate, and both the left clamping plate and the right clamping plate are provided with an arc-shaped fixing surface, and an airbag is arranged in the arc-shaped fixing surface, and the left clamping plate is provided with an airbag. The bottom of the clamping plate is provided with a left sliding rod, the lower end of the left sliding rod is connected with a left adjusting rod, the bottom of the right clamping plate is provided with a right sliding rod, and the lower end of the right sliding rod is connected with a right adjusting rod, The lower surface of the support plate is provided with a transverse opening groove, the transverse opening groove is arranged along the length direction of the support plate, the upper surface of the support plate is provided with a left chute and a right chute, the left The chute and the right chute are arranged on both sides of the groove portion, the left chute and the right chute are both communicated with the transverse opening slot, and the left and right slide bars are respectively limited to the Inside the left chute and right chute; It also includes a clamping adjustment mechanism, the clamping adjustment mechanism includes an adjustment plate arranged in the transverse opening groove, both ends of the transverse opening groove are provided with support rods, and the two ends of the adjustment plate are adjusted by sliding The mechanism is fixed on the support rod, the adjustment plate is provided with a transverse sliding slot for the left sliding rod and the right sliding rod to slide, and the lower end of the left sliding rod penetrates the transverse sliding groove and the left adjustment. rods are connected, the lower end of the right sliding rod is connected with the right adjusting rod through the transverse chute, the lower surfaces of the left adjusting rod and the right adjusting rod are both provided with serrations, and the left adjusting rod A left adjustment gear is arranged below the left adjustment rod, the left adjustment gear is engaged with the serrations on the left adjustment rod, and a right adjustment gear is arranged under the right adjustment rod, and the right adjustment gear and the right adjustment The serrations on the rod are engaged with each other, and both the left and right gears are provided with drive units. 2 . The head immobilization device for neurosurgery according to claim 1 , wherein the sliding adjustment mechanism comprises a vertical adjustment groove provided on the support rod, and the vertical adjustment groove is along the support rod. 3 . The two ends of the adjusting plate are limited in the vertical adjusting groove. 3 . The head fixing device for neurosurgery according to claim 2 , wherein the two ends of the adjustment plate are respectively provided with support bars, the support bars are provided with support blocks, and the support blocks are located in the 3 . Just below the support bar, an elastic support member is arranged between the support bar and the support block. 4 . The head immobilization device for neurosurgery according to claim 3 , wherein the sliding adjustment mechanism further comprises an adjusting member, and the adjusting member comprises a connecting rod arranged on the adjusting plate, and the A connecting channel is arranged inside the connecting rod, a pulling rope is arranged inside the connecting channel, and the upper end of the pulling rope is fixed on the adjusting plate through the connecting channel.