CN114748299A - Head fixing device for nerve intervention operation - Google Patents

Abstract

The invention discloses a head fixing device for a nerve interventional operation, which comprises a base mechanism and a side clamping mechanism, wherein the base mechanism is provided with a base plate; the base mechanism comprises a clamping base assembly, a heightening back plate assembly and a neck support assembly, wherein a top clamping assembly is arranged on one side, far away from the neck support assembly, of the heightening back plate assembly; side fixture includes two control boxes, a plurality of flexible centre gripping subassemblies, flexible ear muff, ventilation assembly, and the terminal surface that two control boxes are relative is established to uncovered department's rigid coupling has the elasticity screen panel, and the flexible end of flexible centre gripping subassembly and flexible ear muff all faces the elasticity screen panel, and flexible centre gripping subassembly, flexible ear muff, heightening backplate subassembly, ventilation assembly, the equal electric connection of neck brace subassembly have the control assembly, and the control assembly is installed on the control box. The invention can realize the fixation of the multi-point position of the head of a patient, has good fixation effect, good integral air permeability and higher comfort degree of the patient, and is convenient for doctors to carry out nerve intervention operation.

Description

Head fixing device for nerve intervention operation

Technical Field

The invention relates to the field of medical instruments, in particular to a head fixing device for a nerve intervention operation.

Background

The nerve intervention operation is for treating nervous system diseases, and under the support of a digital subtraction angiography system, the nerve intervention operation adopts an intravascular catheter operation technology to diagnose and treat pathological changes affecting human neurovascular systems through specific methods such as selective radiography, embolism, dilation forming, mechanical clearing, drug delivery and the like. It is a new minimally invasive clinical technology, and opens up new ideas and treatment ways for a plurality of cerebral and spinal vascular diseases. Not only can independently solve a plurality of cerebrovascular diseases, but also can be skillfully combined with traditional open surgery, radiotherapy and the like, so that diseases which cannot be or are difficult to treat originally can obtain satisfactory curative effect.

Need fix patient's neck in the neural intervention operation process and postoperative, avoid the patient because painful or involuntary neck activity causes the neural intervention operation failure. The existing head fixing device for the nerve intervention operation generally uses a splint to fix two sides of the head, forehead or lower jaw of a patient, but the contact area between the splint and the head of the patient is smaller due to the irregularity of the shape of the head of a human body and the individual difference among different patients, and the adjustment cannot be carried out according to the head shapes of different patients, so that on one hand, the pressure of a clamping point is strong, the comfort is poor, on the other hand, the clamping and fixing effect is poor, and the nerve intervention operation is not facilitated; in addition, the existing fixing device has poor air permeability, and the head of a patient is easy to sultry and sweat after being clamped for a long time, so that the comfort of the patient is poor; therefore, a head fixing device for nerve interventional operation is provided.

Disclosure of Invention

The present invention aims to provide a head fixation device for a nerve intervention operation, which aims to solve or improve at least one of the above technical problems.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a head fixing device for a nerve interventional operation, which comprises a base mechanism and a side clamping mechanism, wherein the base mechanism is provided with a base plate;

the base mechanism comprises a clamping base assembly, a heightening back plate assembly and a neck support assembly arranged on one side of the top surface of the heightening back plate assembly, and a top clamping assembly is arranged on one side, far away from the neck support assembly, of the heightening back plate assembly;

side fixture includes that two are installed side by side operation box, a plurality of fixed mounting on the backplate subassembly of increaseing are in flexible centre gripping subassembly, fixed mounting in the operation box flexible ear muff, install ventilation module on the operation box, two the terminal surface that the operation box is relative is established to uncovered, and uncovered department rigid coupling has the elasticity screen panel, flexible centre gripping subassembly with the flexible end of flexible ear muff all moves towards the elasticity screen panel, the equal electric connection of flexible centre gripping subassembly, flexible ear muff, increasement backplate subassembly, ventilation module, neck brace subassembly has the control assembly, the control assembly is installed on the operation box.

Preferably, flexible centre gripping subassembly includes fixed mounting and is in the control box is kept away from first cylinder, rigid coupling on the inner wall of elasticity screen panel are in first pressure sensor, the cover of first cylinder piston end are established first flexible gasket on the first pressure sensor, it is a plurality of first cylinder with flexible ear muff contactless, and a plurality of first cylinder is in equidistant arranging on the inner wall of control box, first cylinder, first pressure sensor all with control assembly electric connection.

Preferably, flexible ear muff includes fixed mounting and is in the control box is kept away from second cylinder, rigid coupling on the inner wall of elasticity screen panel are in the ventilative ear muff of second cylinder piston end, ventilative ear muff includes the rigid coupling and is in arc ear muff, the rigid coupling of second cylinder piston end are in the arc ear muff is kept away from silica gel packing ring on the terminal surface of second cylinder, set up the bleeder vent that a plurality of intervals were arranged in order on the arc ear muff, silica gel packing ring with fixed mounting has second pressure sensor between the arc ear muff, second cylinder, second pressure sensor all with control assembly electric connection.

Preferably, two support plates arranged side by side are fixedly connected to the inner wall of the operation box, a plurality of air distribution holes are formed in each of the two support plates, the air distribution holes in the two support plates are arranged in a staggered manner, and the first air cylinder and the second air cylinder penetrate through the two support plates and are connected with the two support plates in a sliding manner;

the control assembly comprises a controller installed on the operation box and a temperature and humidity sensor installed on the inner wall of the operation box, and the temperature and humidity sensor, the first air cylinder, the second air cylinder, the first pressure sensor, the second pressure sensor, the heightening back plate assembly, the ventilation assembly and the neck support assembly are electrically connected with the controller.

Preferably, the clamping base assembly comprises a base and a plurality of fixing clamps fixedly connected to one end of the base, and avoidance grooves and mounting grooves are formed in two sides of the top end face of the base respectively;

the height-adjusting back plate assembly comprises a third cylinder fixedly mounted on the bottom wall of the mounting groove, an arc-shaped sliding block fixedly connected to the piston end of the third cylinder, and a back plate rotatably connected with one side, close to the avoidance groove, of the base, the third cylinder is electrically connected with the controller, a sliding groove is formed in one side, close to the mounting groove, of the bottom surface of the back plate, and the sliding groove is in sliding connection with the arc-shaped sliding block; the both sides wall rigid coupling of base has the support, one side of backplate through the pivot with the support rotates to be connected, the third cylinder with the spout all is provided with two side by side, and two the line of third cylinder with the central axis parallel arrangement of pivot.

Preferably, the neck brace subassembly includes fixed mounting and is in the backplate top surface is close to the mount pad of pivot one side, install gasbag on the mount pad, with the gas-supply pipe of gasbag bottom rigid coupling, the one end of gas-supply pipe runs through in proper order the mount pad the backplate, and stretch out to outside the backplate, the one end intercommunication of gas-supply pipe has business turn over gas subassembly, business turn over gas subassembly with controller electric connection, can dismantle on the top end face of backplate and be connected with the cushion.

Preferably, top centre gripping subassembly includes fixed mounting and is in the backplate top surface is close to connecting plate, rigid coupling of spout one side are in bracing piece, rigid coupling on the connecting plate are in fourth cylinder, rigid coupling on the bracing piece lateral wall are in the arc holding head of fourth cylinder piston end, the fourth cylinder with controller electric connection.

Preferably, the arc-shaped clamping head comprises a hollow frame fixedly connected with the piston end of the fourth cylinder and a sponge cushion layer detachably connected to the end face, far away from the fourth cylinder, of the hollow frame.

Preferably, a lower jaw limit band is detachably connected to the top surface of one of the operation boxes, and the end of the lower jaw limit band is detachably connected to the top surface of the other operation box.

The invention discloses the following technical effects:

the heightening back plate component can support the bottom of the head of a patient, meanwhile, the heightening back plate component can be adjusted in height according to use requirements, so that a doctor can conveniently perform nerve intervention operation, the neck support component can support the neck of the patient, the supporting force and the comfort level of the neck of the patient are improved, the top clamping component can clamp and fix the forehead of the patient, and the stability of the head of the patient is improved;

according to the invention, the two sides of the head of the patient are clamped in multiple points through the plurality of telescopic clamping assemblies, so that the contact area with the head of the patient is increased, the compression of the single-point clamping of the traditional fixing device on the head of the patient is reduced, the stability and comfort of the fixation of the head of the patient are obviously improved, and the nerve interventional operation is convenient to carry out;

according to the invention, the elastic mesh covers are fixedly connected to the openings of the two operation boxes, so that the end parts of the plurality of telescopic clamping assemblies are shielded on one hand, the problem that the plurality of telescopic clamping assemblies are wound with the hair of a patient when being telescopic is avoided, on the other hand, good ventilation performance can be kept, proper breeze can be conveyed to the head of the patient through the ventilation assembly, the phenomenon that the head of the patient sweats and is stuffy due to long-time clamping is avoided, and the ventilation performance of the fixing device and the use comfort of the patient are improved;

the telescopic earmuffs are used for fixing the two ear parts of the patient, and the telescopic earmuffs can reduce direct compression on the ears of the patient and improve the comfort of fixing the head around the ears; according to the invention, the control assembly is used for automatically controlling the telescopic clamping assembly, the telescopic earmuffs, the heightening back plate assembly, the ventilation assembly and the neck brace assembly, so that the automation level and the operation convenience of the fixing device are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is a side view of a first embodiment of the present invention;

FIG. 5 is a schematic structural view of an air inlet/outlet assembly according to the present invention;

FIG. 6 is a schematic structural view of a hollow frame and a sponge spacer layer according to the present invention;

FIG. 7 is a schematic structural diagram of a second embodiment of the present invention;

wherein, 1, an operation box; 2. an elastic mesh enclosure; 3. a first cylinder; 4. a first pressure sensor; 5. a first flexible gasket; 6. a second cylinder; 7. an arc ear shield; 8. a silica gel gasket; 9. a second pressure sensor; 10. air holes are formed; 11. a support plate; 12. distributing air holes; 13. a controller; 14. a temperature and humidity sensor; 15. a base; 16. a fixing clip; 17. an avoidance groove; 18. mounting grooves; 19. a third cylinder; 20. an arc-shaped sliding block; 21. a back plate; 22. a chute; 23. a support; 24. a rotating shaft; 25. a mounting seat; 26. an air bag; 27. an air inlet and outlet assembly; 271. an air pump; 272. an electromagnetic three-way valve; 273. an exhaust pipe; 28. a soft cushion; 29. a connecting plate; 30. a support bar; 31. a fourth cylinder; 32. an arc-shaped clamping head; 33. hollowing out the frame; 34. a sponge cushion layer; 341. a sponge pad; 342. a breathable mesh sheet; 35. a mandibular restriction band; 36. a second flexible gasket; 37. a first magic tape; 38. a second magic tape; 39. a reduction motor; 40. a sliding seat; 41. an L-shaped connecting rod; 42. a slide plate; 43. an upper limiting ring; 44. a fan; 45. a vent pipe; 46. a heating device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.

Referring to fig. 1 to 6, the present invention provides a head fixing device for a nerve intervention operation, including a base mechanism and a side clamping mechanism;

the base mechanism comprises a clamping base assembly, a heightening back plate assembly and a neck support assembly arranged on one side of the top surface of the heightening back plate assembly, and a top clamping assembly is arranged on one side, far away from the neck support assembly, of the heightening back plate assembly; according to the arrangement, the clamping base component is used for mounting the fixing device on the head of an operation bed, and supporting the height-adjusting back plate component, the height-adjusting back plate component can support the bottom of the head of a patient, and the height-adjusting back plate component can be adjusted according to the use requirement, so that a doctor can conveniently perform operation, the neck support component can support the neck of the patient, the supporting force and the comfort degree of the neck of the patient are improved, the top clamping component can clamp and fix the forehead of the patient, and the stability of the head of the patient is improved;

the side clamping mechanism comprises two operation boxes 1 which are arranged on the heightening back plate assembly side by side, a plurality of telescopic clamping assemblies which are fixedly arranged in the operation boxes 1, telescopic earmuffs which are fixedly arranged in the operation boxes 1 and ventilation assemblies which are arranged on the operation boxes 1, wherein the opposite end surfaces of the two operation boxes 1 are open, the open parts are fixedly connected with elastic mesh enclosures 2, the telescopic ends of the telescopic clamping assemblies and the telescopic earmuffs face the elastic mesh enclosures 2, the telescopic clamping assemblies, the telescopic earmuffs, the heightening back plate assembly, the ventilation assemblies and the neck brace assembly are all electrically connected with control assemblies, and the control assemblies are arranged on the operation boxes 1; by the arrangement, the two ear parts of the patient can be fixed through the telescopic earmuffs, and meanwhile, the telescopic earmuffs can reduce direct compression on the ears of the patient and improve the comfort of head fixation; according to the invention, the control assembly is used for automatically controlling the telescopic clamping assembly, the telescopic earmuffs, the heightening back plate assembly, the ventilation assembly and the neck support assembly, the automation level and the operation convenience of the fixing device are improved, the multi-point position clamping is carried out on two sides of the head of the patient through the plurality of telescopic clamping assemblies, the contact area with the head of the patient is increased, the compression of the single-point clamping of the traditional fixing device on the head of the patient is reduced, and the stability and the comfort of the fixation of the head of the patient are obviously improved; through uncovered department rigid coupling elasticity screen panel 2 at two control boxes 1, shield the tip of the flexible centre gripping subassembly of a plurality of on the one hand, take place the winding problem with patient's hair when avoiding a plurality of flexible centre gripping subassemblies to stretch out and draw back, on the other hand can keep good air permeability, can carry suitable breeze to patient's head through the ventilation subassembly, avoid long-time centre gripping to cause patient's head to sweat and sultry, improve fixing device's air permeability and patient's use travelling comfort.

According to a further optimization scheme, the telescopic clamping assembly comprises first cylinders 3 fixedly mounted on the inner wall, far away from the elastic mesh enclosure 2, of the operation box 1, first pressure sensors 4 fixedly connected to piston ends of the first cylinders 3, and first flexible gaskets 5 covering the first pressure sensors 4, the first cylinders 3 are not in contact with telescopic earmuffs, the first cylinders 3 are distributed on the inner wall of the operation box 1 at equal intervals, and the first cylinders 3 and the first pressure sensors 4 are electrically connected with the control assembly; so set up, when using, the control assembly controls the first cylinder 3 of a plurality of to stretch out, drive first pressure sensor 4 and first flexible gasket 5 and stretch out, make the contact of elastic mesh enclosure 2 and patient's head both sides, when first pressure sensor 4 monitored the pressure value and surpassed the threshold value of settlement, the first cylinder 3 that this first pressure sensor 4 of control assembly control place stops to stretch out, realize the centre gripping to patient's head both sides, and can realize that the contact position pressure value of the first cylinder 3 of a plurality of and patient's head keeps in the threshold value within range of settlement, the threshold value of pressure value can be set for according to different service environment and patient's particular case, do not specifically prescribe a limit in this embodiment.

According to a further optimized scheme, the telescopic earmuffs comprise a second cylinder 6 fixedly mounted on the inner wall, far away from the elastic mesh enclosure 2, of the operation box 1 and breathable earmuffs fixedly connected to the piston end of the second cylinder 6, the breathable earmuffs comprise arc-shaped earmuffs 7 fixedly connected to the piston end of the second cylinder 6 and silica gel gaskets 8 fixedly connected to the end faces, far away from the second cylinder 6, of the arc-shaped earmuffs 7, a plurality of air holes 10 which are sequentially arranged at intervals are formed in the arc-shaped earmuffs 7, second pressure sensors 9 are fixedly mounted between the silica gel gaskets 8 and the arc-shaped earmuffs 7, and the second cylinder 6 and the second pressure sensors 9 are electrically connected with the control assembly; the size of arc ear muff 7 is greater than the size of people's ear, so set up, adjust patient's head position when using, make patient's ear corresponding with arc ear muff 7's position, it extends to drive second cylinder 6 through control assembly, and then drive arc ear muff 7, silica gel washer 8 contacts with patient's ear week, monitor the pressure value in patient's ear week through second pressure sensor 9, when second pressure sensor 9 monitors the pressure value and surpasss the threshold value of settlement, control assembly control second cylinder 6 stops to stretch out, the centre gripping of realization to patient both sides ear week is fixed, cover two ears of patient through arc ear muff 7 and establish, avoid producing direct oppression to patient's ear, improve the fixed travelling comfort in head ear week, increase the gas permeability of ear through bleeder vent 10, avoid long-time centre gripping to cause ear sweat and sultry, use comfort is improved.

According to the further optimization scheme, two support plates 11 arranged side by side are fixedly connected to the inner wall of the operation box 1, a plurality of air distribution holes 12 are formed in each of the two support plates 11, the air distribution holes 12 in the two support plates 11 are distributed in a staggered mode, and the first air cylinder 3 and the second air cylinder 6 penetrate through the two support plates 11 and are connected with the two support plates 11 in a sliding mode; according to the arrangement, the two supporting plates 11 can be used for supporting the plurality of first cylinders 3 and the plurality of second cylinders 6 on one hand, the interval and the horizontal stability of the plurality of first cylinders 3 and the plurality of second cylinders 6 are kept, on the other hand, the air blown out by the ventilation assembly can be dispersed and distributed, the air is uniformly dispersed into the inner cavity of the operation box 1 through the air distribution holes 12 which are distributed on the two supporting plates 11 in a staggered mode, and is gently and uniformly blown into the head of a patient along the air holes 10 and the holes of the elastic net cover 2, so that the dryness and comfort of the head of the patient are kept, the sweating and the sultry of the head of the patient caused by long-time clamping are avoided, and the air permeability of the fixing device and the use comfort of the patient are improved;

the control assembly comprises a controller 13 arranged on the operation box 1 and a temperature and humidity sensor 14 arranged on the inner wall of the operation box 1, and the temperature and humidity sensor 14, the first air cylinder 3, the second air cylinder 6, the first pressure sensor 4, the second pressure sensor 9, the height-adjusting back plate assembly, the ventilation assembly and the neck support assembly are all electrically connected with the controller 13; so set up, carry out real-time supervision through temperature and humidity sensor 14 to the humiture in the control box 1, nevertheless behind the humiture value surpass the settlement threshold value in the control box 1, controller 13 control ventilation subassembly ventilates to the control box 1, keep the dry and comfortable of patient's head, controller 13 is according to first pressure sensor 4, first cylinder 3 and second cylinder 6 are controlled to the monitoring value of second pressure sensor 9, controller 13 can also control the back board subassembly of height-adjusting, the neck brace subassembly is controlled, realize fixing device's whole automated control, the convenience of operation is improved.

Further optimize the scheme, the subassembly of ventilating includes fan 44 of fixed mounting on control box 1, the ventilation pipe 45 of rigid coupling end is given vent to anger at the fan, ventilation pipe 45 stretches into in the inner chamber of control box 1, and the tip of ventilation pipe 45 is located control box 1 and keeps away from between the inner wall of elastic net cover 2 and backup pad 11, fan 44 and controller 13 electric connection, install heating device 46 on the ventilation pipe 45, control fan 44 through controller 13 and open, thigh income wind in the inner chamber of control box 1 through ventilation pipe 45, heating device 46 can heat the wind in the ventilation pipe 45, be convenient for adjust the temperature in the control box 1, keep the dry and comfortable and the temperature of patient's head suitable.

According to a further optimized scheme, the clamping base assembly comprises a base 15 and a plurality of fixing clamps 16 fixedly connected to one end of the base 15, and avoidance grooves 17 and installation grooves 18 are formed in two sides of the top end face of the base 15 respectively;

the heightening back plate assembly comprises a third cylinder 19 fixedly mounted on the bottom wall of the mounting groove 18, an arc-shaped sliding block 20 fixedly connected to the piston end of the third cylinder 19, and a back plate 21 rotatably connected with one side, close to the avoiding groove 17, of the base 15, two operation boxes 1 are mounted on the top end surface of the back plate 21 side by side, the third cylinder 19 is electrically connected with the controller 13, a sliding groove 22 is formed in one side, close to the mounting groove 18, of the bottom surface of the back plate 21, and the sliding groove 22 is in sliding connection with the arc-shaped sliding block 20; two side walls of the base 15 are fixedly connected with a support 23, one side of the back plate 21 is rotatably connected with the support 23 through a rotating shaft 24, two third cylinders 19 and two sliding grooves 22 are arranged side by side, and the connecting line of the two third cylinders 19 is parallel to the central axis of the rotating shaft 24; so set up, the flexible arc slider 20 that can drive through controller 13 control third cylinder 19 slides around spout 22 to realize the adjustment of 21 one end heights of backplate through the flexible of third cylinder 19, and then realize the adjustment of patient's head height, the doctor of being convenient for adjusts according to self operation habit and patient's actual conditions, improves the convenience of use.

According to a further optimized scheme, the neck brace component comprises a mounting seat 25 fixedly mounted on one side, close to the rotating shaft 24, of the top surface of the back plate 21, an air bag 26 mounted on the mounting seat 25, and an air conveying pipe fixedly connected with the bottom of the air bag 26, one end of the air conveying pipe sequentially penetrates through the mounting seat 25 and the back plate 21 and extends out of the back plate 21, one end of the air conveying pipe is communicated with an air inlet and outlet component 27, the air inlet and outlet component 27 is electrically connected with the controller 13, and a cushion 28 is detachably connected to the end surface of the top of the back plate 21; the surface of the air bag 26 is detachably connected with a second flexible gasket 36, so that the comfort of the neck of the patient is improved, and the air bag is convenient to replace;

the air inlet and outlet assembly 27 comprises an air pump 271 arranged at one end of an air pipe far away from the air bag 26, an electromagnetic three-way valve 272 fixedly arranged on the air pipe, and an exhaust pipe 273 fixedly connected with the electromagnetic three-way valve 272, wherein the air pump 271 and the electromagnetic three-way valve 272 are both electrically connected with the controller 13; the electromagnetic three-way valve 272 and the exhaust pipe 273 are both located outside the backplate 21; so set up, control air pump 271 through controller 13 and open, control electromagnetism three-way valve 272 makes blast pipe 273 and air-supply pipe not communicate to aerify in to gasbag 26 through the air-supply pipe, aerify and stop to aerifing after suitable volume, control electromagnetism three-way valve 272 when accomplishing the operation and make blast pipe 273 and air-supply pipe intercommunication, discharge the air in the gasbag 26, be convenient for use next time.

In a further optimized scheme, the top clamping assembly comprises a connecting plate 29 fixedly mounted on one side, close to the chute 22, of the top surface of the back plate 21, a supporting rod 30 fixedly connected to the connecting plate 29, a fourth cylinder 31 fixedly connected to the side wall of the supporting rod 30, and an arc-shaped clamping head 32 fixedly connected to the piston end of the fourth cylinder 31, wherein the fourth cylinder 31 is electrically connected with the controller 13; so set up, through extension of controller 13 control fourth cylinder 31, the realization is fixed to the centre gripping at patient head top, and arc holding head 32 can increase with the area of contact at patient head top, improves fixed effect.

In a further optimized scheme, the arc-shaped clamping head 32 comprises a hollow frame 33 fixedly connected with the piston end of the fourth cylinder 31 and a sponge cushion layer 34 detachably connected to the end face, far away from the fourth cylinder 31, of the hollow frame 33, the sponge cushion layer 34 comprises a sponge gasket 341 and a breathable net piece 342, the sponge gasket 341 and the breathable net piece 342 are detachably connected with the hollow frame 33, and the sponge gasket 341 is located between the breathable net piece 342 and the hollow frame 33; so set up, air permeability can be improved to fretwork frame 33, and the travelling comfort when sponge gasket 341 increases the fixed centre gripping in patient head top, and ventilative net piece 342 separates patient head top and fourth cylinder 31 completely, avoids patient's hair and fourth cylinder when flexible winding phenomenon to take place when not influencing the gas permeability.

Further optimize the scheme, can dismantle on the top surface of one of them control box 1 and be connected with jaw limit area 35, jaw limit area 35's tip and another control box 1's top surface can be dismantled and be connected, jaw limit area 35's both ends all rigid coupling have first magic subsides 37, rigid coupling has second magic subsides 38 on two control box 1's the top surface respectively, jaw limit area 35 can dismantle with the second magic subsides 38 of two control box 1 top surfaces through the first magic subsides 37 at both ends and be connected, realize jaw limit area 35's dismantlement and installation, and can realize jaw limit area 35's length adjustment through adjusting the position of pasting of first magic subsides 37 and second magic subsides 38, and then the different patient's of adaptation lower jaw, fix patient's lower jaw portion.

In a further preferred embodiment, the controller 13 is electrically connected to a power source (not shown), the power source is electrically connected to each component of the device, and the power source is used for supplying power to the whole device.

Example 2

Referring to fig. 7, the difference from embodiment 1 is that the support rod 30 is a screw, the support rod 30 is mounted on the connection plate 29 through a speed reduction motor 39, an output shaft of the speed reduction motor 39 is fixedly connected with the support rod 30, and the speed reduction motor 39 is electrically connected with the controller 13;

a sliding seat 40 is fixedly installed at the cylinder body end of the fourth cylinder 31, the sliding seat 40 is sleeved on the outer wall of the supporting rod 30, the sliding seat 40 is connected with the supporting rod 30 in a sliding manner, an L-shaped connecting rod 41 is fixedly connected to one end of the connecting plate 29, a sliding plate 42 is fixedly connected to the end face, far away from the fourth cylinder 31, of the sliding seat 40, the L-shaped connecting rod 41 penetrates through the sliding plate 42 and is connected with the sliding plate 42 in a sliding manner, and an upper limiting ring 43 is fixedly connected to the top of the L-shaped connecting rod 41;

according to the arrangement, the controller 13 controls the reduction motor 39 to be started to drive the support rod 30 to rotate forwards or reversely, so as to drive the sliding seat 40 to move up and down along the support rod 30, and the L-shaped connecting rod 41 is in sliding connection with the sliding plate 42, so that the fourth cylinder 31 can only move up and down along the height direction of the support rod 30, and the fourth cylinder 31 can rotate in the horizontal direction to move up and down; the speed reducing motor 39 is controlled by the controller 13, so that the automatic height adjustment of the fourth cylinder 31 and the arc-shaped clamping head 32 is realized, the head types and the heights of different patients are adapted, and the fixing efficiency is improved.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (9)

1. A head fixing device for a nerve intervention operation, comprising:

the base mechanism comprises a clamping base assembly, a heightening back plate assembly and a neck support assembly arranged on one side of the top surface of the heightening back plate assembly, and a top clamping assembly is arranged on one side, far away from the neck support assembly, of the heightening back plate assembly;

side fixture, side fixture includes that two are installed side by side operation box (1), a plurality of fixed mounting on the backplate subassembly of increaseing are in flexible centre gripping subassembly, fixed mounting in operation box (1) flexible ear muff, install in operation box (1) on the ventilation module, two the terminal surface that operation box (1) is relative is established to uncovered, and uncovered department rigid coupling has elastic mesh enclosure (2), flexible centre gripping subassembly with the flexible end of flexible ear muff all moves towards elastic mesh enclosure (2), the equal electric connection of flexible centre gripping subassembly, flexible ear muff, increaseing backplate subassembly, ventilation module, neck brace subassembly has control assembly, control assembly installs on operation box (1).

2. The head fixing device for the neural intervention surgery of claim 1, wherein: the flexible clamping assembly comprises an operation box (1), a first cylinder (3) and a rigid coupling are fixedly mounted on the inner wall of the elastic mesh enclosure (2), the first pressure sensor (4) at the piston end of the first cylinder (3) is covered with a first flexible gasket (5) on the first pressure sensor (4), the first cylinder (3) is not in contact with the flexible earmuff and is arranged on the inner wall of the operation box (1) at equal intervals, and the first cylinder (3) and the first pressure sensor (4) are electrically connected with the control assembly.

3. The head fixing device for the neural intervention surgery of claim 2, wherein: flexible ear muff includes fixed mounting and is in operation panel (1) is kept away from second cylinder (6), rigid coupling on the inner wall of elasticity screen panel (2) are in the ventilative ear muff of second cylinder (6) piston end, ventilative ear muff includes the rigid coupling and is in arc ear muff (7), the rigid coupling of second cylinder (6) piston end are in arc ear muff (7) are kept away from silica gel ring (8) on the terminal surface of second cylinder (6), set up bleeder vent (10) that a plurality of intervals were arranged in proper order on arc ear muff (7), silica gel ring (8) with fixed mounting has second pressure sensor (9) between arc ear muff (7), second cylinder (6), second pressure sensor (9) all with control assembly electric connection.

4. The head fixing device for the neural intervention surgery of claim 3, wherein: two support plates (11) arranged side by side are fixedly connected to the inner wall of the operation box (1), a plurality of air distribution holes (12) are formed in each of the two support plates (11), the air distribution holes (12) in the two support plates (11) are distributed in a staggered mode, and the first air cylinder (3) and the second air cylinder (6) penetrate through the two support plates (11) and are connected with the two support plates (11) in a sliding mode;

the control assembly comprises a controller (13) installed on the operation box (1) and a temperature and humidity sensor (14) installed on the inner wall of the operation box (1), wherein the temperature and humidity sensor (14), a first air cylinder (3), a second air cylinder (6), a first pressure sensor (4), a second pressure sensor (9), a height-adjusting back plate assembly, a ventilation assembly and a neck support assembly are all electrically connected with the controller (13).

5. The head fixing device for the neural intervention surgery of claim 4, wherein: the clamping base component comprises a base (15) and a plurality of fixing clamps (16) fixedly connected to one end of the base (15), wherein avoidance grooves (17) and installation grooves (18) are formed in two sides of the top end face of the base (15) respectively;

the heightening back plate assembly comprises a third cylinder (19) fixedly mounted on the bottom wall of the mounting groove (18), an arc-shaped sliding block (20) fixedly connected to the piston end of the third cylinder (19), and a back plate (21) rotatably connected with one side, close to the avoiding groove (17), of the base (15), the third cylinder (19) is electrically connected with the controller (13), a sliding groove (22) is formed in one side, close to the mounting groove (18), of the bottom surface of the back plate (21), and the sliding groove (22) is in sliding connection with the arc-shaped sliding block (20); the both sides wall rigid coupling of base (15) has support (23), one side of backplate (21) through pivot (24) with support (23) rotate to be connected, third cylinder (19) with spout (22) all are provided with two side by side, and two the line of third cylinder (19) with the central axis parallel arrangement of pivot (24).

6. The head fixing device for the neural intervention surgery of claim 5, wherein: the neck brace subassembly includes fixed mounting and is in backplate (21) top surface is close to mount pad (25) of pivot (24) one side, install gasbag (26) on mount pad (25), with the gas-supply pipe of gasbag (26) bottom rigid coupling, the one end of gas-supply pipe runs through in proper order mount pad (25) backplate (21), and stretch out extremely outside backplate (21), the one end intercommunication of gas-supply pipe has business turn over gas subassembly (27), business turn over gas subassembly (27) with controller (13) electric connection, can dismantle on the top end face of backplate (21) and be connected with cushion (28).

7. The head fixing device for the neural intervention surgery of claim 6, wherein: top centre gripping subassembly includes fixed mounting backplate (21) top surface is close to connecting plate (29), the rigid coupling of spout (22) one side are in bracing piece (30), rigid coupling on connecting plate (29) are in fourth cylinder (31), rigid coupling on bracing piece (30) lateral wall are in arc holding head (32) of fourth cylinder (31) piston end, fourth cylinder (31) with controller (13) electric connection.

8. The head fixing device for the neural intervention surgery of claim 7, wherein: arc holding head (32) include with fretwork frame (33), the detachable connection of fourth cylinder (31) piston end rigid coupling are in fretwork frame (33) is kept away from sponge spacer layer (34) on the terminal surface of fourth cylinder (31).

9. The head fixing device for the neural intervention surgery of claim 1, wherein: a mandible limiting belt (35) is detachably connected to the top surface of one operating box (1), and the end part of the mandible limiting belt (35) is detachably connected with the top surface of the other operating box (1).

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