CN116172826B - Head fixer for nerve interventional therapy - Google Patents

Abstract

The invention discloses a head fixer for nerve interventional therapy, which comprises a support bed plate and a head fixing piece, wherein the head fixing piece is arranged on the support bed plate and consists of a fixing piece shell, a fixing supporting piece, a control supporting piece and a fixing auxiliary piece. The invention belongs to the field of interventional therapy instruments, and particularly relates to a head fixer for nerve interventional therapy; the invention adopts the gravity of the head of the patient to match with the attractive force between the magnetic suction rod and the lower magnetic suction clamping groove, realizes the self-fixing effect of the device by fixing the head of the patient, and simultaneously ensures that the upper auxiliary plate and the lower auxiliary plate rotate in opposite directions by matching the torsion regulating plate with the regulating clamping groove and matching the upper torsion regulating plate and the lower torsion regulating plate which are reversely arranged by matching the gravity of the head of the patient, and realizes the control of the annular inner support rod by rotating the upper auxiliary plate and the lower auxiliary plate, thereby achieving the simultaneous fixing effect of the head of the patient in the horizontal direction and the vertical direction.

Description

Head fixer for nerve interventional therapy

Technical Field

The invention belongs to the technical field of interventional therapy instruments, and particularly relates to a head fixer for nerve interventional therapy.

Background

At present, in actual operation of nerve interventional therapy, because patients have different tolerance degrees to anesthetic, under the stimulation of contrast agents, consciousness disturbance, dizziness and aphasia are generated, doctor instructions cannot be understood, and head and neck of the patients can move, so that images are fuzzy and distorted during DSA imaging, and adverse diagnosis is performed, and particularly serious complications such as embolism errors or bracket errors can be caused by the displacement of the cranium of the patients during the implantation of the bracket of aneurysms, arterial and venous malformations and vascular stenosis.

Therefore, many devices for fixing the head of the patient during the nerve intervention treatment appear, the force application area of the clamping device clamped on the head of the patient to the head of the patient is small, the clamping effect is poor, and the patient is uncomfortable; the prior art adopts a mode of simply arranging a concave surface on the clamping device to solve the problem, and the effect of increasing the force application area and the angle is difficult to achieve.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the head fixer for the nerve interventional therapy, the gravity of the head of a patient is matched with the attractive force between the magnetic suction rod and the lower magnetic suction clamping groove, the fixing effect of the device is achieved through fixing the head of the patient, meanwhile, the downward sliding is converted into the horizontal rotation through the cooperation of the torsion regulating plate and the clamping groove under the gravity action of the head of the patient, the upper auxiliary plate and the lower auxiliary plate can be ensured to rotate in opposite directions through the cooperation of the upper torsion regulating plate and the lower torsion regulating plate which are reversely arranged, and meanwhile, the annular inner supporting rod is controlled through rotating the upper auxiliary plate and the lower auxiliary plate, so that the fixing effect of the head of the patient in the horizontal direction and the vertical direction is achieved.

The technical scheme adopted by the invention is as follows: the invention provides a head fixer for nerve interventional therapy, which comprises a support bed plate and a head fixing piece, wherein the head fixing piece is arranged on the support bed plate and consists of a fixing piece shell, a fixing supporting piece, a control supporting piece and a fixing auxiliary piece, one end of the fixing supporting piece is arranged on the inner bottom wall of the fixing piece shell, the fixing supporting piece is used for fixing and controlling the periphery of the head of a patient to prevent the head of the patient from twisting, one end of the control supporting piece is rotationally clamped on the other end of the fixing supporting piece, the other end of the control supporting piece penetrates through the bottom wall of the fixing piece shell, the control supporting piece provides supporting force for the bottom of the head of the patient and is a control piece for the fixing supporting piece, the fixing auxiliary piece is arranged on the fixing supporting piece and is acted by the fixing supporting piece to fix the forehead of the patient to prevent the head of the patient from moving up and down.

Further, the fixed support piece comprises a support piece shell, a central rotating groove, an upper sliding groove and a lower sliding groove, wherein the central rotating groove is formed in the support piece shell, the control support piece is rotationally clamped in the central rotating groove, one end of the upper sliding groove is arranged on the inner side wall of the central rotating groove, the other end of the upper sliding groove is arranged on the outer side wall of the support piece shell, the upper sliding grooves are arranged in pairs, the two upper sliding grooves are arranged in a central symmetry manner, one end of the lower sliding groove is arranged on the inner side wall of the central rotating groove, the other end of the lower sliding groove is arranged on the outer side wall of the support piece shell, the lower sliding grooves are arranged in pairs, the two lower sliding grooves are arranged in a central symmetry manner, an upper rotating groove and a lower rotating groove are arranged in an axial symmetry manner, a central auxiliary plate is arranged on the outer side wall of the support piece shell in pairs, the central auxiliary plate is provided with a central connecting rod, and the central auxiliary plate is hinged with a central connecting rod; when a patient lies his head on the control support, the patient can drive the control support to move downwards along the central convolution groove direction by the gravity of his head until the control support moves downwards to the lowest point, so as to provide supporting force for the head of the patient, and meanwhile, the central supporting rod is controlled to rotate along the direction of the central connecting rod until the central supporting rod contacts with the face of the patient, so that the head of the patient is fixed from the side.

Preferably, the upper rotating groove is rotationally provided with an upper rotating supporting piece, the control supporting piece penetrates through the upper rotating supporting piece to be arranged, the upper rotating supporting piece comprises an upper rotating sleeve and an upper regulating and controlling clamping groove, the upper end of the upper rotating sleeve is arranged outside a supporting piece shell, the lower end of the upper rotating sleeve is rotationally clamped in a central rotating groove, an upper supporting plate is arranged at the upper end of the upper rotating sleeve, an upper rotating clamping plate is arranged at the lower end of the upper rotating sleeve, the upper rotating clamping plate is rotationally clamped in the upper rotating groove, the upper regulating and controlling clamping groove is arranged on the inner bottom wall of the upper rotating sleeve, an upper auxiliary plate is arranged on the outer side wall of the upper rotating sleeve in pairs, the upper auxiliary plate penetrates through an upper sliding groove to be arranged, the two upper auxiliary plates are axially symmetrically arranged, an upper connecting rod is arranged on the upper auxiliary plate, the two upper connecting rods are symmetrically arranged in a central mode, and an upper supporting rod is hinged on the upper connecting rod; when the control support piece moves downwards along the direction of the central rotary groove, the upper rotary sleeve is driven to rotate through the upper regulating and controlling clamping groove, then the upper auxiliary plate is driven to twist in the upper sliding groove, at the moment, the included angle between the upper auxiliary plate and the central auxiliary plate gradually becomes larger, meanwhile, the upper supporting rod is controlled to rotate along the direction of the upper connecting rod until the upper supporting rod contacts with the head of a patient, at the moment, one upper supporting rod fixes one side of the head of the patient, and the other upper supporting rod fixes one side of the lower jaw of the patient.

As a further preferred aspect of the present invention, the lower rotating groove is rotationally provided with a lower rotating support member, the control support member is disposed through the lower rotating support member, the lower rotating support member includes a lower rotating sleeve and a lower adjusting and controlling slot, the upper end of the lower rotating sleeve is rotationally engaged with and disposed in the central rotating groove, the lower end of the lower rotating sleeve is disposed outside the support member housing, the upper end of the lower rotating sleeve is provided with a lower rotating clamping plate, the lower end of the lower rotating sleeve is provided with a lower supporting plate, the lower rotating clamping plate is rotationally engaged with and disposed in the lower rotating groove, the lower adjusting and controlling slot is disposed on the inner bottom wall of the lower rotating sleeve, the outer side wall of the lower rotating sleeve is provided with a lower auxiliary plate in pairs, the lower auxiliary plate is disposed through the lower sliding groove, the two lower auxiliary plates are disposed in axisymmetric manner, the lower auxiliary plate is provided with a lower connecting rod, the two lower connecting rods are disposed in central symmetry, and the lower connecting rod is hinged with a lower supporting rod; when the control support piece moves downwards along the direction of the central rotating groove, the lower rotating sleeve is driven to rotate through the lower regulating and controlling clamping groove, then the lower auxiliary plate is driven to twist in the lower sliding groove, at the moment, the included angle between the lower auxiliary plate and the central auxiliary plate gradually becomes larger, meanwhile, the lower supporting rod is controlled to rotate along the direction of the lower connecting rod until the lower supporting rod contacts with the head of a patient, at the moment, the lower supporting rod and the upper supporting rod are symmetrical with each other by taking the central supporting rod as a symmetrical axis, one lower supporting rod fixes the other side of the head of the patient, the other lower supporting rod fixes the other side of the lower jaw of the patient, and the upper supporting rod and the lower supporting rod simultaneously fix the two ends of the head of the patient and the two ends of the lower jaw.

Further, the control support piece comprises a limiting plate, an upper torsion regulating plate and a lower torsion regulating plate, wherein the limiting plate is arranged in the central rotating groove in a sliding mode, the limiting plate is positioned between the upper regulating clamping groove and the lower regulating clamping groove, the upper torsion regulating plate is arranged on the outer upper wall of the limiting plate, the upper torsion regulating plate and the upper regulating clamping groove are mutually clamped, a lower connecting fixing rod is arranged on the outer bottom wall of the limiting plate, the lower torsion regulating plate is arranged on the limiting plate, the lower torsion regulating plate and the lower regulating clamping groove are mutually clamped, an upper connecting fixing rod is arranged on the upper torsion regulating plate, a head supporting plate is arranged on the upper connecting fixing rod, and the head supporting plate is arranged outside the support piece shell; at the beginning, turn round the mutual block of regulation and control draw-in groove on the bottommost of regulation and control board, turn round the bottommost of regulation and control board down and regulate and control the draw-in groove each other block down, patient is when lying down, patient's head is direct to fall into in the head backup pad, patient's own head's gravity drives through the head backup pad and goes up the dead lever and move down, and when it moves down, go up the in-process that twists the regulation and control board and pass through the regulation and control draw-in groove gradually, can drive and go up the rotation sleeve and twist in last sliding tray, in-process that twists the regulation and control board passed through down gradually, can drive down the rotation sleeve and rotate, then drive down the auxiliary plate and twist in the sliding tray down, at this in-process, down the die-pin is symmetrical with each other with the center die-pin as the symmetry axis with last die-pin and carry out fixed processing to patient's both ends and lower jaw simultaneously.

The torsion mode of the upper torsion regulating plate and the torsion mode of the lower torsion regulating plate are oppositely arranged; the upper torsion regulating plate and the lower torsion regulating plate which are reversely arranged can ensure that the lower support rod and the upper support rod rotate in different directions, and the device is ensured to fix the head and the lower jaw of a patient at the same time.

Further, a magnetic suction rod is arranged at the lower end of the lower torsion regulating plate, a lower auxiliary sleeve is arranged at the lower end of the lower supporting plate, a lower magnetic suction clamping groove is arranged on the bottom wall of the lower auxiliary sleeve, an auxiliary spring is arranged on the inner bottom wall of the lower auxiliary sleeve, and the inner diameter of the auxiliary spring is the same as that of the lower auxiliary sleeve; when the head support plate drives the upper connecting fixing rod to move downwards, the lower torsion adjusting and controlling plate gradually penetrates through the lower adjusting and controlling clamping groove and is in contact with the inner bottom wall of the lower auxiliary sleeve, at the moment, the magnetic attraction rod and the lower magnetic attraction clamping groove are attracted mutually and simultaneously receive the gravity action of the head of a patient, the magnetic force is then fixed, the auxiliary spring is stressed and contracted, after the treatment is finished, the patient stands up, and because the head support plate is not influenced by the gravity of the head of the patient, the restoring force of the auxiliary spring overcomes the attraction force between the magnetic attraction rod and the lower magnetic attraction clamping groove and returns to the original position.

Further, a through hole is formed in the bottom wall of the fixing piece shell, the lower auxiliary sleeve penetrates through the through hole, a bidirectional push plate is arranged on the fixing piece shell in a sliding clamping mode, a bidirectional screw rod is arranged in the side wall of the fixing piece shell in a rotating mode, a screw rod pair is arranged on the bidirectional screw rod in a sliding mode, and the screw rod pair is connected with the bidirectional push plate; the two-way screw is electrically connected with an external driving device, the external driving device is started to drive the two-way screw to rotate, the two-way screw is a left-handed screw, half of screw threads of the screw thread part are left-handed and half of screw threads are right-handed, the two nuts on the screw threads are separated or close to each other in one direction, and when the two nuts rotate in the opposite direction, the two nuts are close to or separated, so that when the two-way screw rotates, the two screw pairs on the two-way screw slide along the opposite direction, and are opposite or far away from each other, the two-way push plate is controlled to be opposite or far away from each other, and the hinging control effect on the upper support rod, the center support rod and the lower support rod is achieved, so that the two-way screw is suitable for patients with different head sizes.

Further, the fixing auxiliary piece comprises an annular outer fixing rod, an auxiliary sliding piece and an annular inner supporting rod, wherein two ends of the annular outer fixing rod are arranged on the central connecting rod, the auxiliary sliding piece is in sliding clamping connection with the annular outer fixing rod, an auxiliary rotating shaft is arranged on the auxiliary sliding piece, and two ends of the annular inner supporting rod are in rotating clamping connection with the auxiliary rotating shaft; when the device runs, the central supporting rod is fixed, the lower supporting rod and the upper supporting rod rotate symmetrically by taking the central supporting rod as a symmetry axis, the upper supporting rod and the lower supporting rod above can push the auxiliary sliding pieces to slide along the direction of the annular outer fixing rod, the two auxiliary sliding pieces are close to each other, the annular inner supporting rod is extruded, and the upper supporting rod rotates upwards to fix the forehead part of a patient.

Further, the support bed board is provided with support legs.

The beneficial effects obtained by the invention by adopting the structure are as follows:

(1) According to the invention, by means of the gravity action of the head of a patient, the upper torsion regulating plate is matched with the upper regulating clamping groove, the lower torsion regulating plate is matched with the lower regulating clamping groove, so that the downward sliding in the vertical direction is converted into the horizontal rotation, the rotation of the upper auxiliary plate and the lower auxiliary plate is realized, meanwhile, the upper auxiliary plate and the lower auxiliary plate can be ensured to rotate in opposite directions through the upper torsion regulating plate and the lower torsion regulating plate which are reversely arranged, the effect of simultaneously fixing the top of the head, the lower jaw and the two cheeks of the patient is achieved, the fixing of the head of the patient in the horizontal direction is realized, and the left and right rotation of the head of the patient is prevented;

(2) The upper auxiliary plate and the lower auxiliary plate rotate in opposite directions, the included angle between the upper auxiliary plate and the lower auxiliary plate is gradually increased, the annular inner support rod is controlled by the fixed annular outer fixing rod, the effect of fixing the forehead of a patient is achieved, the fixing of the forehead of the patient in the vertical direction is achieved, and meanwhile sudden head lifting of the patient during treatment is prevented;

(3) According to the invention, the attractive force between the magnetic suction rod and the lower magnetic suction clamping groove is matched with the gravity of the head of a patient to overcome the reset force of the auxiliary spring, so that the self-fixing effect of the device is realized on the fixation of the head of the patient, when the treatment is finished, after the gravity of the head of the patient is lost, the reset force of the auxiliary spring overcomes the attractive force between the magnetic suction rod and the lower magnetic suction clamping groove, so that the device is quickly reset, and the operation requirement on medical staff is very low;

(4) The invention realizes the control of approaching or separating the bidirectional push plate by using the left-right bidirectional screw rod and the screw rod pair which is arranged on the left-right bidirectional screw rod in a sliding way, achieves the hinging control effect on the upper support rod, the central support rod and the lower support rod, and is suitable for patients with different head sizes;

(5) The bidirectional screw rod is controlled by the control driving device in the treatment process, so that the upper support rod, the central support rod and the lower support rod can alternately relax and control the fixation of the head of the patient, and the pain of the patient in the treatment process is reduced.

Drawings

FIG. 1 is a schematic perspective view of a head holder for use in a neuro-interventional procedure according to the present invention;

FIG. 2 is a schematic perspective view of a head fixing member according to the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic perspective view of an initial state of a fixing support according to the present invention;

fig. 5 is a schematic perspective view of a fixing support in an unfolded state according to the present invention;

FIG. 6 is a schematic perspective view of a fastener housing according to the present invention;

FIG. 7 is an exploded view of the structure of the fixed support provided by the present invention;

FIG. 8 is a schematic perspective view of a control support according to the present invention;

FIG. 9 is a schematic perspective view of an upper rotating support member according to the present invention;

FIG. 10 is a schematic perspective view of a lower rotary support according to the present invention;

FIG. 11 is a schematic diagram showing a perspective structure of a lower rotating support member according to the present invention;

fig. 12 is a schematic perspective view of a fixing auxiliary member according to the present invention.

Wherein 1, support bed board, 2, head mount, 3, mount housing, 4, mount support, 5, control support, 6, mount auxiliary, 7, support housing, 8, center whirl groove, 9, upper slide groove, 10, lower slide groove, 11, upper rotary groove, 12, lower rotary groove, 13, center auxiliary plate, 14, center link, 15, center support rod, 16, upper rotary support, 17, upper rotary sleeve, 18, upper regulation and control clamping groove, 19, upper pallet, 20, upper rotary clamping plate, 21, upper auxiliary plate, 22, upper link, 23, upper support rod, 24, lower rotary support, 25, lower rotary sleeve, 26, lower regulation and control clamping groove, 27, lower rotary clamping plate, 28, lower pallet, 29, lower auxiliary plate, 30, lower link, 31, lower support rod, 32, limit plate, 33, upper torsion regulation and control plate, 34, lower torsion plate, 35, lower connection fixing rod, 36, upper connection fixing rod, 37, head support plate, 38, magnetic suction rod, 39, lower annular clamping sleeve, 40, lower clamping groove, 48, auxiliary support rod, 48, magnetic support rod, 48, annular support, 48, magnetic support, auxiliary support, 48, magnetic support, 48, annular support, auxiliary support, 48, magnetic support, auxiliary support, 48, magnetic support, and two-way support.

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1, fig. 2 and fig. 3, the head fixer for nerve interventional therapy provided by the invention comprises a support bed board 1 and a head fixing piece 2, wherein the head fixing piece 2 is arranged on the support bed board 1, the head fixing piece 2 consists of a fixing piece housing 3, a fixing support piece 4, a control support piece 5 and a fixing auxiliary piece 6, one end of the fixing support piece 4 is arranged on the inner bottom wall of the fixing piece housing 3, the fixing support piece 4 is used for fixing and controlling the periphery of the head of a patient, the head of the patient is prevented from twisting, one end of the control support piece 5 is rotationally clamped on the other end of the fixing support piece 4, the other end of the control support piece 5 penetrates through the bottom wall of the fixing piece housing 3, the control support piece 5 provides supporting force for the bottom of the head of the patient, meanwhile, the fixing auxiliary piece 6 is arranged on the fixing support piece 4 and is subjected to the effect of the fixing support piece 4, the forehead of the patient is prevented from moving up and down, and support legs 50 are arranged on the support bed board 1.

As shown in fig. 3, fig. 4, fig. 5 and fig. 7, the fixed support 4 comprises a support shell 7, a central rotating groove 8, an upper sliding groove 9 and a lower sliding groove 10, wherein the central rotating groove 8 is arranged on the support shell 7, the control support 5 is rotationally clamped in the central rotating groove 8, one end of the upper sliding groove 9 is arranged on the inner side wall of the central rotating groove 8, the other end of the upper sliding groove 9 is arranged on the outer side wall of the support shell 7, the upper sliding grooves 9 are arranged in pairs, the two upper sliding grooves 9 are arranged in a central symmetry manner, one end of the lower sliding groove 10 is arranged on the inner side wall of the central rotating groove 8, the other end of the lower sliding groove 10 is arranged on the outer side wall of the support shell 7, the lower sliding grooves 10 are arranged in pairs, the two lower sliding grooves 10 are arranged in a central symmetry manner, an upper rotating groove 11 is arranged on the inner side wall of the central rotating groove 8, an auxiliary plate 13 is arranged in pairs on the outer side wall of the support shell 7 in an axial symmetry manner, the two auxiliary plates 13 are arranged in an axial symmetry manner, and a connecting rod bracket 14 is arranged on the center 14 in a central hinge manner; when the patient lies his head on the control support 5, the patient will drive the control support 5 to move downwards along the direction of the central whirl groove 8 by the gravity of his head until the control support 5 moves downwards to the lowest point, providing support force for the patient's head, while the central support rod 15 is controlled to rotate along the direction of the central link 14 until it contacts the patient's face, fixing the patient's head from the side.

As shown in fig. 4, 5, 7 and 9, an upper rotating support piece 16 is rotationally arranged in the upper rotating groove 11, the control support piece 5 penetrates through the upper rotating support piece 16, the upper rotating support piece 16 comprises an upper rotating sleeve 17 and an upper regulating and controlling clamping groove 18, the upper end of the upper rotating sleeve 17 is arranged outside the support piece shell 7, the lower end of the upper rotating sleeve 17 is rotationally clamped in the central rotating groove 8, an upper supporting plate 19 is arranged at the upper end of the upper rotating sleeve 17, an upper rotating clamping plate 20 is arranged at the lower end of the upper rotating sleeve 17, the upper rotating clamping plate 20 is rotationally clamped in the upper rotating groove 11, the upper regulating and controlling clamping groove 18 is arranged on the inner bottom wall of the upper rotating sleeve 17, an upper auxiliary plate 21 is arranged on the outer side wall of the upper rotating sleeve 17 in pairs, the upper auxiliary plate 21 penetrates through the upper sliding groove 9, the upper auxiliary plates 21 are arranged in an axisymmetric manner, an upper connecting rod 22 is arranged on the upper auxiliary plate 21, the upper connecting rods 22 are arranged in a central symmetric manner, and an upper supporting rod 23 is hinged on the upper connecting rod 22; when the control support piece 5 moves downwards along the direction of the central rotary groove 8, the upper rotary sleeve 17 is driven to rotate through the upper regulating and controlling clamping groove 18, then the upper auxiliary plate 21 is driven to twist in the upper sliding groove 9, at the moment, the included angle between the upper auxiliary plate 21 and the central auxiliary plate 13 is gradually increased, meanwhile, the upper supporting rod 23 is controlled to rotate along the direction of the upper connecting rod 22 until contacting with the head of a patient, at the moment, one upper supporting rod 23 fixes one side of the head of the patient, and the other upper supporting rod 23 fixes one side of the lower jaw of the patient.

As shown in fig. 4, fig. 5, fig. 7, fig. 10 and fig. 11, the lower rotating groove 12 is rotationally provided with a lower rotating support piece 24, the control support piece 5 penetrates through the lower rotating support piece 24, the lower rotating support piece 24 comprises a lower rotating sleeve 25 and a lower regulating and controlling clamping groove 26, the upper end of the lower rotating sleeve 25 is rotationally clamped in the central rotating groove 8, the lower end of the lower rotating sleeve 25 is arranged outside the support piece shell 7, the upper end of the lower rotating sleeve 25 is provided with a lower rotating clamping plate 27, the lower end of the lower rotating sleeve 25 is provided with a lower supporting plate 28, the lower rotating clamping plate 27 is rotationally clamped in the lower rotating groove 12, the lower regulating and controlling clamping groove 26 is arranged on the inner bottom wall of the lower rotating sleeve 25, the outer side wall of the lower rotating sleeve 25 is provided with a lower auxiliary plate 29 in pairs, the lower auxiliary plate 29 penetrates through the lower sliding groove 10, the two lower auxiliary plates 29 are arranged in an axisymmetric manner, the lower auxiliary plates 29 are provided with lower connecting rods 30, the two lower connecting rods 30 are arranged in a central symmetric manner, and the lower supporting rods 31 are hinged on the lower connecting rods 30; when the control support 5 moves downwards along the direction of the central rotating groove 8, the lower rotating sleeve 25 is driven to rotate by the lower regulating and controlling clamping groove 26, then the lower auxiliary plate 29 is driven to twist in the lower sliding groove 10, at the moment, the included angle between the lower auxiliary plate 29 and the central auxiliary plate 13 gradually becomes larger, meanwhile, the lower supporting rod 31 is controlled to rotate along the direction of the lower connecting rod 30 until the lower supporting rod 31 contacts with the head of a patient, at the moment, the lower supporting rod 31 and the upper supporting rod 23 are symmetrical with each other by taking the central supporting rod 15 as a symmetrical axis, one lower supporting rod 31 fixes the other side of the head of the patient, the other lower supporting rod 31 fixes the other side of the lower jaw of the patient, and the upper supporting rod 23 and the lower supporting rod 31 fix the two ends of the head of the patient and the two ends of the lower jaw at the same time.

As shown in fig. 4, 5 and 8, the control support 5 includes a limiting plate 32, an upper torsion adjusting plate 33 and a lower torsion adjusting plate 34, the limiting plate 32 is slidably disposed in the central rotating groove 8, the limiting plate 32 is located between the upper adjusting clamping groove 18 and the lower adjusting clamping groove 26, the upper torsion adjusting plate 33 is disposed on an outer upper wall of the limiting plate 32, the upper torsion adjusting plate 33 and the upper adjusting clamping groove 18 are mutually clamped, a lower connecting fixing rod 35 is disposed on an outer bottom wall of the limiting plate 32, the lower torsion adjusting plate 34 is disposed on the limiting plate 32, the lower torsion adjusting plate 34 and the lower adjusting clamping groove 26 are mutually clamped, an upper connecting fixing rod 36 is disposed on the upper torsion adjusting plate 33, a head supporting plate 37 is disposed on the upper connecting fixing rod 36, the head supporting plate 37 is disposed outside the support housing 7, and a torsion mode of the upper torsion adjusting plate 33 and a torsion mode of the lower torsion adjusting plate 34 are oppositely disposed; at the beginning, the bottommost end of the upper torsion regulating plate 33 is mutually clamped with the upper regulating clamping groove 18, the bottommost end of the lower torsion regulating plate 34 is mutually clamped with the lower regulating clamping groove 26, when a patient lies down, the head of the patient directly falls on the head supporting plate 37, the gravity of the head of the patient drives the upper connecting fixing rod 36 to move downwards through the head supporting plate 37, and when the patient moves downwards, the upper torsion regulating plate 33 gradually penetrates through the upper regulating clamping groove 18, the upper rotating sleeve 17 is driven to rotate, then the upper auxiliary plate 21 is driven to twist in the upper sliding groove 9, likewise, the lower torsion regulating plate 34 gradually penetrates through the lower regulating clamping groove 26, the lower rotating sleeve 25 is driven to rotate, then the lower auxiliary plate 29 is driven to twist in the lower sliding groove 10, in the process, the lower supporting rod 31 and the upper supporting rod 23 are mutually symmetrical by taking the central supporting rod 15 as a symmetrical axis, and finally, the upper supporting rod 23 and the lower supporting rod 31 simultaneously fix the two ends of the head and the two ends of the lower jaw of the patient, and the upper torsion regulating plate 33 and the lower supporting rod 31 which are arranged in opposite directions can ensure that the upper and lower supporting rod 23 and the lower supporting rod 31 are not fixed by the patient simultaneously.

As shown in fig. 8 and 11, the lower end of the lower torsion adjusting plate 34 is provided with a magnetic suction rod 38, the lower end of the lower supporting plate 28 is provided with a lower auxiliary sleeve 39, the bottom wall of the lower auxiliary sleeve 39 is provided with a lower magnetic suction clamping groove 40, the inner bottom wall of the lower auxiliary sleeve 39 is provided with an auxiliary spring 41, and the inner diameter of the auxiliary spring 41 is the same as the inner diameter of the lower auxiliary sleeve 39; when the head support plate 37 drives the upper connecting fixing rod 36 to move downwards, the lower torsion adjusting plate 34 gradually penetrates through the lower adjusting clamping groove 26 and contacts with the inner bottom wall of the lower auxiliary sleeve 39, at the moment, the magnetic suction rod 38 and the lower magnetic suction clamping groove 40 are mutually attracted and simultaneously are under the gravity action of the head of a patient, and then the head is fixed, but the auxiliary spring 41 is stressed and contracted, after the treatment is finished, the patient stands up, and because the head support plate 37 is not influenced by the gravity of the head of the patient, the attractive force between the magnetic suction rod 38 and the lower magnetic suction clamping groove 40 is overcome by the restoring force of the auxiliary spring 41, and the head is restored to the original position.

As shown in fig. 6 and 11, a through hole 42 is formed in the bottom wall of the fixing member housing 3, a lower auxiliary sleeve 39 penetrates through the through hole 42, a bidirectional push plate 43 is slidably engaged with the fixing member housing 3, a bidirectional screw 44 is rotatably arranged in the side wall of the fixing member housing 3, a screw pair 45 is slidably arranged on the bidirectional screw 44, and the screw pair 45 is connected with the bidirectional push plate 43; the bidirectional screw 44 is electrically connected with an external driving device, the external driving device is started to drive the bidirectional screw 44 to rotate, the bidirectional screw 44 is a left-handed screw, half of the screw threads of the screw thread part are left-handed, and the half of the screw threads are right-handed, the bidirectional screw 44 rotates in one direction, two nuts on the screw threads are separated or close to each other, and when the bidirectional screw 44 rotates in the opposite direction, the two nuts are close to each other or separated, so that when the bidirectional screw 44 rotates, the two screw pairs 45 on the bidirectional screw 44 slide in opposite directions, and are opposite to each other or are far away from each other, and further the bidirectional push plate 43 is controlled to be opposite to each other or be far away from each other, so that the hinging control effect on the upper supporting rod 23, the central supporting rod 15 and the lower supporting rod 31 is achieved, and patients with different head sizes are adapted.

As shown in fig. 3 and 12, the fixing auxiliary member 6 includes an annular outer fixing rod 46, an auxiliary slide member 47 and an annular inner supporting rod 48, two ends of the annular outer fixing rod 46 are arranged on the central connecting rod 14, the auxiliary slide member 47 is slidably engaged with the annular outer fixing rod 46, an auxiliary rotating shaft 49 is arranged on the auxiliary slide member 47, and two ends of the annular inner supporting rod 48 are rotatably engaged with the auxiliary rotating shaft 49; when the device operates, the central supporting rod 15 is fixed, the lower supporting rod 31 and the upper supporting rod 23 rotate symmetrically by taking the central supporting rod 15 as a symmetry axis, the upper supporting rod 23 and the lower supporting rod 31 above push the auxiliary sliding pieces 47 to slide along the direction of the annular outer fixing rod 46, the two auxiliary sliding pieces 47 are close to each other, the annular inner supporting rod 48 is extruded, and the upper supporting rod and the lower supporting rod are rotated upwards to fix the forehead of a patient.

In specific use, initially, the bottommost end of the upper torsion adjusting plate 33 is mutually clamped with the upper adjusting clamping groove 18, the bottommost end of the lower torsion adjusting plate 34 is mutually clamped with the lower adjusting clamping groove 26, the upper supporting rod 23, the central supporting rod 15 and the lower supporting rod 31 are respectively perpendicular to the upper connecting rod 22, the central connecting rod 14 and the lower connecting rod 30, the upper auxiliary plate 21, the middle auxiliary plate and the lower auxiliary plate 29 are mutually overlapped, the upper supporting rod 23, the central supporting rod 15 and the lower supporting rod 31 are mutually attached, and the two-way pushing plates 43 are positioned at two ends of the fixing piece shell 3;

when a patient lies down, the head of the patient directly falls onto the head supporting plate 37, the gravity of the head of the patient drives the upper connecting fixing rod 36 to move downwards through the head supporting plate 37, and when the head supporting plate moves downwards, the upper torsion adjusting plate 33 is driven to rotate in the process of gradually penetrating the upper adjusting and controlling clamping groove 18, then the upper auxiliary plate 21 is driven to twist in the upper sliding groove 9, likewise, the lower torsion adjusting plate 34 is driven to rotate in the process of gradually penetrating the lower adjusting and controlling clamping groove 26, then the lower auxiliary plate 29 is driven to twist in the lower sliding groove 10, in the process, the lower supporting rod 31 and the upper supporting rod 23 rotate symmetrically with each other by taking the central supporting rod 15 as a symmetrical axis until the head supporting plate 37 moves downwards to the lowest point, and is mutually clamped with the supporting piece shell 7 and the upper supporting plate 19 to provide supporting force for the head of the patient, finally, the upper support rod 23 and the lower support rod 31 simultaneously fix the two ends of the head and the two ends of the lower jaw of the patient, the upper torsion adjusting plate 33 and the lower torsion adjusting plate 34 which are reversely arranged can ensure that the lower support rod 31 and the upper support rod 23 rotate in different directions, the head and the lower jaw of the patient are simultaneously fixed by the device, the central support rod 15 fixes the two cheeks of the patient, in the process, the central support rod 15 is fixed, the lower support rod 31 and the upper support rod 23 respectively rotate symmetrically by taking the middle points of the two central support rods 15 as symmetrical axes, the upper support rod 23 and the lower support rod 31 above push the auxiliary slide 47 to slide along the direction of the annular outer fixing rod 46, so that the two auxiliary slide pieces 47 are mutually close, the annular inner support rod 48 is extruded to rotate upwards, and the forehead of the patient is fixed;

meanwhile, the bidirectional screw rod 44 in the fixing piece shell 3 is electrically connected with an external driving device, the driving device is started to drive the bidirectional screw rod 44 to rotate, and then the bidirectional push plate 43 is controlled to face or be far away from each other, so that the hinging control effect on the upper support rod 23, the central support rod 15 and the lower support rod 31 is achieved, patients with different head sizes can be adapted to the hinging control effect, the driving device can be controlled to control the bidirectional screw rod during treatment, the fixing of the upper support rod 23, the central support rod 15 and the lower support rod 31 on the head of the patient can be temporarily relaxed, and pain of the patient during treatment can be reduced.

The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.

Claims (2)

1. The utility model provides a head fixer for neural intervention treatment, includes support bed board (1) and head mounting (2), on support bed board (1), its characterized in that is located to head mounting (2): the head fixing piece (2) consists of a fixing piece shell (3), a fixing support piece (4), a control support piece (5) and a fixing auxiliary piece (6), one end of the fixing support piece (4) is arranged on the inner bottom wall of the fixing piece shell (3), one end of the control support piece (5) is rotationally clamped on the other end of the fixing support piece (4), the other end of the control support piece (5) penetrates through the bottom wall of the fixing piece shell (3), and the fixing auxiliary piece (6) is arranged on the fixing support piece (4); the fixed supporting piece (4) comprises a supporting piece shell (7), a central rotating groove (8), an upper sliding groove (9) and a lower sliding groove (10), wherein the central rotating groove (8) is arranged on the supporting piece shell (7), the control supporting piece (5) is rotationally clamped in the central rotating groove (8), one end of the upper sliding groove (9) is arranged on the inner side wall of the central rotating groove (8), the other end of the upper sliding groove (9) is arranged on the outer side wall of the supporting piece shell (7), the upper sliding grooves (9) are arranged in pairs, the two upper sliding grooves (9) are arranged in a central symmetry manner, one end of the lower sliding groove (10) is arranged on the inner side wall of the central rotating groove (8), the other end of the lower sliding groove (10) is arranged on the outer side wall of the supporting piece shell (7), the lower sliding groove (10) is arranged in pairs, the two lower sliding grooves (10) are arranged in a central symmetry manner, an upper rotating groove (11) is arranged on the inner side wall of the central rotating groove (8), the upper sliding groove (9) is arranged on the inner side wall of the central rotating groove (8), the upper sliding groove (8) is arranged in pairs, the upper sliding groove (12) is arranged on the inner side wall of the central rotating groove (8) and the lower sliding groove (12) is arranged in pairs, the upper sliding groove (13) is arranged on the central rotating groove (13), a center connecting rod (14) is arranged on the center auxiliary plate (13), and a center supporting rod (15) is hinged on the center connecting rod (14); the upper rotating groove (11) is rotationally provided with an upper rotating supporting piece (16), the control supporting piece (5) penetrates through the upper rotating supporting piece (16) to be arranged, the upper rotating supporting piece (16) comprises an upper rotating sleeve (17) and an upper regulating and controlling clamping groove (18), the upper end of the upper rotating sleeve (17) is arranged outside a supporting piece shell (7), the lower end of the upper rotating sleeve (17) is rotationally clamped in a central rotating groove (8), the upper end of the upper rotating sleeve (17) is provided with an upper supporting plate (19), the lower end of the upper rotating sleeve (17) is provided with an upper rotating clamping plate (20), the upper rotating clamping plate (20) is rotationally clamped in the upper rotating groove (11), the upper regulating and controlling clamping groove (18) is arranged on the inner bottom wall of the upper rotating sleeve (17), the outer side wall of the upper rotating sleeve (17) is provided with an upper auxiliary plate (21) in pairs, the upper auxiliary plate (21) penetrates through the upper sliding groove (9), the upper auxiliary plate (21) is arranged in a symmetrical mode, the upper supporting plate (21) is arranged on the upper supporting plate (21), and the upper connecting rod (22) is arranged on the upper connecting rod (22) in a symmetrical mode, and the upper supporting rod (22) is arranged on the upper connecting rod (22); the lower rotating groove (12) is rotationally provided with a lower rotating supporting piece (24), the control supporting piece (5) penetrates through the lower rotating supporting piece (24) to be arranged, the lower rotating supporting piece (24) comprises a lower rotating sleeve (25) and a lower regulating and controlling clamping groove (26), the upper end of the lower rotating sleeve (25) is rotationally clamped in a central rotating groove (8), the lower end of the lower rotating sleeve (25) is arranged outside a supporting piece shell (7), the upper end of the lower rotating sleeve (25) is provided with a lower rotating clamping plate (27), the lower end of the lower rotating sleeve (25) is provided with a lower supporting plate (28), the lower rotating clamping plate (27) is rotationally clamped in the lower rotating groove (12), the lower regulating and controlling clamping groove (26) is arranged on the inner bottom wall of the lower rotating sleeve (25), the outer side wall of the lower rotating sleeve (25) is provided with lower auxiliary plates (29) in pairs, the lower auxiliary plates (29) penetrate through the lower sliding groove (10), the two auxiliary plates (29) are arranged in a symmetrical mode, the lower supporting plates (29) are arranged on the lower supporting plates are arranged on the outer side walls of the lower rotating sleeve, the lower rotating sleeve (25) and are provided with upper connecting rods (30), and the lower connecting rods (30) are arranged in a symmetrical mode; the control support piece (5) comprises a limiting plate (32), an upper torsion regulating plate (33) and a lower torsion regulating plate (34), wherein the limiting plate (32) is arranged in the central rotary groove (8) in a sliding mode, the limiting plate (32) is positioned between the upper regulating clamping groove (18) and the lower regulating clamping groove (26), the upper torsion regulating plate (33) is arranged on the outer upper wall of the limiting plate (32), the upper torsion regulating plate (33) and the upper regulating clamping groove (18) are mutually clamped, a lower connecting fixing rod (35) is arranged on the outer bottom wall of the limiting plate (32), the lower torsion regulating plate (34) is arranged on the limiting plate (32), the lower torsion regulating plate (34) and the lower regulating clamping groove (26) are mutually clamped, an upper connecting fixing rod (36) is arranged on the upper torsion regulating plate (33), a head supporting plate (37) is arranged on the upper connecting fixing rod (36), and the head supporting plate (37) is arranged outside the support piece shell (7); the torsion mode of the upper torsion regulating plate (33) and the torsion mode of the lower torsion regulating plate (34) are arranged in opposite directions; the lower torsion regulating plate (34) is provided with a magnetic suction rod (38), the lower end of the lower supporting plate (28) is provided with a lower auxiliary sleeve (39), the bottom wall of the lower auxiliary sleeve (39) is provided with a lower magnetic suction clamping groove (40), the inner bottom wall of the lower auxiliary sleeve (39) is provided with an auxiliary spring (41), and the inner diameter of the auxiliary spring (41) is the same as that of the lower auxiliary sleeve (39); the bottom wall of the fixing piece shell (3) is provided with a through hole (42), the lower auxiliary sleeve (39) penetrates through the through hole (42), the fixing piece shell (3) is provided with a bidirectional push plate (43) in a sliding clamping manner, the side wall of the fixing piece shell (3) is internally provided with a bidirectional screw (44) in a rotating manner, the bidirectional screw (44) is provided with a screw pair (45) in a sliding manner, and the screw pair (45) is connected with the bidirectional push plate (43); the auxiliary fixing piece (6) comprises an annular outer fixing rod (46), an auxiliary sliding piece (47) and an annular inner supporting rod (48), wherein two ends of the annular outer fixing rod (46) are arranged on the central connecting rod (14), the auxiliary sliding piece (47) is arranged on the annular outer fixing rod (46) in a sliding clamping mode, an auxiliary rotating shaft (49) is arranged on the auxiliary sliding piece (47), and two ends of the annular inner supporting rod (48) are arranged on the auxiliary rotating shaft (49) in a rotating clamping mode.

2. A head holder for a neuro-interventional procedure as set forth in claim 1, wherein: the support bed board (1) is provided with support legs (50).