Head fixing device applied to ear post-operation

Abstract

The invention belongs to the technical field of medical apparatus and instruments, and discloses a head fixing device applied to ear post-operation, which comprises a base detachably mounted on a sickbed for use, and a fixing mechanism is arranged on the base; the fixing mechanism comprises fixing assemblies and a supporting assembly which are arranged on the base, the fixing assemblies are fixed to the two sides of the head of a patient, and the supporting assembly is supported at the lower jaw position of the patient; the supporting assembly comprises a first guiding groove formed in the side wall of the base, a guiding rod is arranged in the first guiding groove, two sliding blocks are slidably connected to the guiding rod, the ends of the sliding blocks are slidably connected with a supporting rod with the adjustable length, a supporting block is arranged at the top end of the supporting rod, and the supporting block is supported at the lower jaw position of the patient. The device is compact in structure and flexible to adjust, can stably support and fix the heads of ear postoperative patients of different body types, is higher in applicability, improves the supporting quality of the patients, improves the use comfort after long-time use, and accelerates the postoperative rehabilitation efficiency of the patients.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and in particular relates to a head fixing device used for post-ear surgery. Background Art

[0002] In the surgical treatment of chronic suppurative otitis media, it is often necessary to implant artificial ossicles for hearing reconstruction. After the operation, the head needs to be fixed or immobilized for three days to ensure that the implanted artificial ossicles do not shift. Therefore, a head fixation device is needed to fix the head of the patient after ear surgery.

[0003] There is no head fixation device specifically used for middle ear artificial ossicular implantation surgery in the prior art. Patients often nod, shake their heads, stand up, and other actions unintentionally, which will cause the ossicular displacement and affect the hearing reconstruction effect after surgery. At the same time, some existing neck braces and head frames are universal designs that meet most usage needs, but they are not adjustable enough and are difficult to flexibly adjust according to the patient's head size, surgical site, and different needs of the recovery stage, which limits their applicability. Too loose fixation will lead to insufficient fixation effect and fail to limit the patient's unconscious shaking, affecting postoperative recovery. Too tight fixation will compress the patient's body, resulting in poor comfort. Long-term wearing can easily cause discomfort in the patient's neck and head, affecting sleep quality and postoperative recovery progress.

[0004] Therefore, the present application designs a head fixation device for use after ear surgery to solve the above-mentioned technical problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention proposes a head fixing device for use after ear surgery.

[0006] To achieve the above-mentioned object, the present invention provides a head fixing device for use after ear surgery, comprising a base that can be detachably mounted on a hospital bed, and the base is provided with a fixing mechanism for the position of the patient's head and neck;

[0007] The fixing mechanism comprises a fixing component and a supporting component arranged on the base. When the patient lies on the hospital bed, the fixing component is fixed on both sides of the patient's head, and the supporting component is supported on the patient's lower jaw.

[0008] The support assembly includes a first guide groove opened on the side wall of the base, a guide rod is arranged in the first guide groove, two symmetrically arranged sliding blocks are slidably connected to the guide rod, the end of the sliding block extends out of the first guide groove and is slidably connected to a support rod with adjustable length, a support block is arranged on the top end of the support rod, and the support block is supported on the patient's lower jaw position.

[0009] In the head fixation device for post-ear surgery disclosed in the present application, a first receiving groove is opened on the base at positions on both sides of the first guide groove, the depth of the first receiving groove is adapted to the depth of the sliding block, and the cross-sectional area of ​​the first receiving groove is adapted to the support rod and the support block.

[0010] In the head fixation device for post-ear surgery disclosed in the present application, the support block includes a rotating block rotatably connected to the top end of the support rod, and the flexibly arranged support block is fixedly connected to the side wall of the rotating block.

[0011] In the head fixation device for post-ear surgery disclosed in the present application, a tightening block is movably arranged in the guide rod, and the tightening block extends out of the guide rod; a second guide groove slidably connected to the guide rod is provided on the sliding block, and the tightening block abuts against the inner wall of the second guide groove and locks the sliding block in the first guide groove.

[0012] In the head fixation device for post-ear surgery disclosed in the present application, the support assembly includes a second receiving groove symmetrically opened on the side wall of the base, a telescopic module is telescopically arranged in the second receiving groove, the telescopic module extends out of the second receiving groove and is fixedly connected to a fixing plate, a mounting block is fixedly connected to a side of the fixing plate away from the telescopic module, a fixing module is arranged on a side of the mounting block away from the telescopic module, and the flexibly arranged fixing module abuts against the side of the patient's head.

[0013] In the head fixation device for post-ear surgery disclosed in the present application, the telescopic module includes a first telescopic rod slidably connected to the second storage groove, a second telescopic rod is telescopically and slidably arranged in the first telescopic rod, and the angle between the second telescopic rod and the first telescopic rod is adjustable; a third telescopic rod is slidably and telescopically arranged in the second telescopic rod, the third telescopic rod extends out of the second telescopic rod and is fixedly connected to the mounting block, and the angle between the third telescopic rod and the second telescopic rod is adjustable.

[0014] In the head fixation device for post-ear surgery disclosed in the present application, the fixing module includes a fixing block fixed to the mounting block, a flexibly arranged contact block is fixed to a side of the fixing block away from the mounting block, and when fixing the patient's face, the contact block contacts the patient.

[0015] In the head fixation device for post-ear surgery disclosed in the present application, adjustment blocks are hinged on both sides of the fixing block, and adjustment bolts corresponding to the adjustment blocks are threadedly connected on the mounting block for adjusting the angle between the adjustment block and the fixing block.

[0016] In the head fixation device for post-ear surgery disclosed in the present application, a plurality of fixing straps are telescopically provided at the bottom end of the base, and locking hooks are provided at the ends of the fixing straps. When in use, the base is fixed to the bed via the locking hooks.

[0017] In the head fixation device for post-ear surgery disclosed in the present application, a flexible headrest is fixedly connected to the base, and the patient lies on the bed with his head and neck resting on the headrest.

[0018] Compared with the prior art, the present invention has the following advantages and technical effects: the present invention discloses a head fixing device for use after ear surgery, which is mainly used to assist in fixing the patient's head after ear surgery and improve the patient's recovery efficiency; it is fixed on the hospital bed when needed and put away when not in use, which is flexible and convenient and will not affect the normal use of the hospital bed; a fixing mechanism is arranged on the base, which is put away in the base when not in use, and when in use, the patient lies on the hospital bed, the patient's head pillow is placed on the base, and the fixing mechanism extends from the base, which can fix the patient's head and prevent the patient's head from shaking, and facilitates postoperative recovery; the fixing mechanism is composed of a fixing head The fixing component of the side ear and the supporting component for supporting the mandibular position are separately arranged and flexibly adjusted to adapt to patients of different body shapes, avoiding pressure on the patient's head caused by too tight fixation, improving comfort, and avoiding loose fixation caused by too loose fixation, restraining the patient's unconscious shaking, and avoiding the impact of postoperative wounds; the two sliders slide on the guide rod in the first guide groove, and can be adjusted to different positions and spacings as needed. The support rod is retractable, and the support block is rotated to a specific angle at the same time, so that the support block can be supported on the patient's mandibular position, with strong adaptability and easy recovery and storage after use.

[0019] The present invention has a compact structure and flexible adjustment, and can stably support and fix the heads of patients with different body shapes after ear surgery. It has stronger applicability, improves the support quality for patients, increases comfort when used for a long time, and accelerates the efficiency of patients' postoperative recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 It is a schematic diagram of installing the head fixing device of the present invention on a hospital bed after ear surgery;

[0022] Figure 2 A schematic diagram of a head fixation device applied to post-ear surgery according to the present invention;

[0023] Figure 3 It is a schematic diagram of the fixing assembly of the present invention;

[0024] Figure 4 It is a schematic diagram of the support assembly of the present invention;

[0025] Figure 5 It is a schematic diagram of the top view of the base structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the side view structure of the sliding block of the present invention;

[0027] Figure 7 For the present invention Figure 6 A partial enlarged view of middle A;

[0028] Figure 8 It is a schematic diagram of the guide rod structure of the present invention;

[0029] In the figure: 1, hospital bed; 2, base; 3, headrest; 4, fixing belt; 5, locking hook; 6, first guide groove; 7, guide rod; 8, sliding block; 9, support rod; 10, support block; 11, first storage groove; 12, rotating block; 13, moving block; 14, tightening block; 15, tightening groove; 16, tension spring; 17, second guide groove; 18, tightening screw; 19, tightening slider; 20, second storage groove; 21, telescopic module; 22, fixing plate; 23, mounting block; 24, first telescopic rod; 25 , second telescopic rod; 26, third telescopic rod; 27, first adjusting slot; 28, first locking rod; 29, second adjusting slot; 30, second locking rod; 31, locking hole; 32, fixed block; 33, contact block; 34, adjusting block; 35, adjusting bolt; 36, fixed slot; 37, movable slot; 38, universal wheel; 39, bed board; 40, guardrail; 41, lifting rod; 42, active wedge block; 43, driven wedge block; 44, notch; 45, clearance slot; 46, fracture crack; 47, third adjusting slot. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Reference Figure 1-Figure 8As shown, this embodiment provides a head fixing device for use after ear surgery, comprising a base 2 that can be detachably mounted on a bed 1 for use, and a fixing mechanism for the position of the patient's head and neck is provided on the base 2;

[0033] The fixing mechanism includes a fixing component and a supporting component arranged on the base 2. When the patient lies on the bed 1, the fixing component is fixed on both sides of the patient's head, and the supporting component is supported at the patient's lower jaw position;

[0034] The support assembly includes a first guide groove 6 opened on the side wall of the base 2, a guide rod 7 is arranged in the first guide groove 6, two symmetrically arranged sliding blocks 8 are slidably connected to the guide rod 7, the ends of the sliding blocks 8 extend out of the first guide groove 6 and are slidably connected to a support rod 9 with adjustable length, a support block 10 is arranged on the top end of the support rod 9, and the support block 10 is supported on the patient's lower jaw position.

[0035] The present invention discloses a head fixing device for use after ear surgery, which is mainly used for assisting in fixing the patient's head after ear surgery to improve the patient's recovery efficiency; it is fixed on a hospital bed 1 when needed and put away when not in use, which is flexible and convenient and will not affect the normal use of the hospital bed 1; a fixing mechanism is arranged on a base 2, which is put away in the base 2 when not in use; when in use, the patient lies on the hospital bed 1, the patient's head pillow is placed on the base 2, and the fixing mechanism extends from the base 2 to fix the patient's head, thereby preventing the patient's head from shaking and facilitating postoperative recovery; the fixing mechanism consists of a fixing component for fixing the ear on the side of the head and a support The support components at the mandibular position are separately arranged and flexibly adjusted. They can adapt to patients of different body types, avoid compression of the patient's head due to over-tight fixation, improve comfort, and avoid loose fixation due to insecure fixation, restrain the patient's unconscious shaking, and avoid the impact of postoperative wounds; the two sliders slide on the guide rod 7 in the first guide groove 6, and can be adjusted to different positions and spacings as needed. The support rod 9 is retractable, and the support block 10 is rotated to a specific angle at the same time, so that the support block 10 can be supported at the patient's mandibular position, with strong adaptability, and it is also easy to recycle and store after use. The present invention has a compact structure and flexible adjustment. It can stably support and fix the heads of patients with different body types after ear surgery. It has stronger applicability, improves the quality of support for patients, and improves the comfort of use after long-term use, which accelerates the patient's postoperative rehabilitation efficiency.

[0036] In one embodiment of the present application, the hospital bed 1 includes a hospital bed 1 board. When the device is in use, the base 2 is fixed on the bed board 39 , and the patient lies on the bed board 39 with his head resting on the base 2 .

[0037] In one embodiment of the present application, lifting rods 41 are provided at the four corners of the bottom end of the bed board 39. The lifting rods 41 are powered by electric, pneumatic or hydraulic power to drive the bed board 39 to rise and fall to meet different usage requirements.

[0038] In one embodiment of the present application, a universal wheel 38 with a self-locking function is provided at the bottom end of the lifting rod 41 to facilitate the movement of the bed 1 and to facilitate the transfer and fixation of the bed 1.

[0039] In one embodiment of the present application, guardrails 40 are provided on both sides of the bed board 39 to improve the safety of the patient.

[0040] In one embodiment of the present application, the middle angle of the bed board 39 is adjustable to facilitate the patient to adjust his posture.

[0041] In one embodiment of the head fixation device for post-ear surgery disclosed in the present application, first receiving grooves 11 are provided on the base 2 at positions on both sides of the first guide groove 6, the depth of the first receiving groove 11 is adapted to the depth of the sliding block 8, and the cross-sectional area of ​​the first receiving groove 11 is adapted to the support rod 9 and the support block 10. The depth of the two first receiving grooves 11 is adapted to the sliding block, and the cross-sectional area of ​​the two first receiving grooves 11 and the retracted support rod 9 and the support block 10 can be retracted back into the first receiving grooves 11, which is convenient for storage, reduces the occupied area, and avoids affecting the storage.

[0042] In one embodiment of the head fixation device for post-ear surgery disclosed in the present application, the support block 10 includes a rotating block 12 rotatably connected to the top of the support rod 9, and the flexibly arranged support block 10 is fixed to the side wall of the rotating block 12. The support rod 9 has the ability to retract and lock, and the rotating block 12 can rotate and lock at the top of the support rod 9, so as to facilitate the adjustment of the angle of the support block 10, thereby facilitating the support block 10 to support the patient's mandibular position.

[0043] In one embodiment of the present application, after the two support blocks 10 are adjusted into place and supported at the patient's mandibular position, the two support blocks 10 are connected by a soft bag, and the soft bag is supported at the patient's chin position, thereby further improving the support and fixation of the patient's mandibular position.

[0044] In one embodiment of the present application, a moving groove 37 is provided at the top of the slider, and a moving block 13 is slidably connected in the moving groove 37, and the moving groove 37 can be locked; the support rod 9 is fixed on the moving block 13 to adjust the support position.

[0045] In one embodiment of a head fixation device for post-ear surgery disclosed in the present application, a tightening block 14 is movably provided in the guide rod 7, and the tightening block 14 extends out of the guide rod 7; a second guide groove 17 slidably connected to the guide rod 7 is provided on the sliding block 8, and the tightening block 14 abuts against the inner wall of the second guide groove 17 and locks the sliding block 8 in the first guide groove 6. In this embodiment, a second long guide groove 17 is provided on the moving block 13, and the guide rod 7 slides with the second guide groove 17; a tightening screw 18 is rotatably connected inside the guide, and a tightening slider 19 is threadedly connected to the tightening screw 18, and the outer wall of the tightening slider 19 is a serrated active wedge block 42, and tightening blocks 14 are slidably provided on the upper and lower sides of the active wedge block 42; when in use, the tightening screw 18 is rotated to cause the active wedge block 42 and the driven wedge block 43 to be misaligned, thereby pushing the end of the tightening block 14 to extend from the tightening groove 15 provided outside the guide rod 7, and against the upper and lower ends of the second guide groove 17 of the sliding block 8, thereby locking the sliding block 8.

[0046] In one embodiment of the present application, a tensioning spring 16 is provided between two upper and lower opposite tightening blocks 14. When the tightening screw 18 is reversed, the active wedge block 42 moves back, and the tensioning spring 16 drives the two tightening blocks 14 to reset, thereby unlocking the sliding block 8.

[0047] In one embodiment of the present application, one end of the sliding block 8 located in the first guide groove 6 is interrupted by a fracture 46, and the sliding block 8 is elastic, so that the upper and lower sides of the sliding block 8 can be opened, so that it can be locked in the first guide groove 6 under the drive of the tightening block 14.

[0048] In one embodiment of the head fixation device for post-ear surgery disclosed in the present application, the support assembly includes a second receiving slot 20 symmetrically arranged on the side wall of the base 2, a telescopic module 21 is telescopically arranged in the second receiving slot 20, the telescopic module 21 extends out of the second receiving slot 20 and is fixedly connected to a fixing plate 22, a mounting block 23 is fixedly connected to the side of the fixing plate 22 away from the telescopic module 21, a fixing module is arranged on the side of the mounting block 23 away from the telescopic module 21, and the flexibly arranged fixing module abuts against the side of the patient's head. The two telescopic modules 21 are retracted in the second receiving slot 20 on the side wall of the base 2, and one end of the retractable module extending out of the second receiving slot 20 is fixed with the fixing module through the mounting block 23, and the fixing module is conveniently abutted against the patient's face through the telescopic adjustment of the telescopic module 21.

[0049] In one embodiment of the head fixing device for post-ear surgery disclosed in the present application, the telescopic module 21 includes a first telescopic rod 24 slidably connected to the second storage slot 20, a second telescopic rod 25 is telescopically slidable in the first telescopic rod 24, and the angle between the second telescopic rod 25 and the first telescopic rod 24 is adjustable; a third telescopic rod 26 is slidably and telescopically in the second telescopic rod 25, the third telescopic rod 26 extends out of the second telescopic rod 25 and is fixedly connected to the mounting block 23, and the angle between the third telescopic rod 26 and the second telescopic rod 25 is adjustable. Figure 3 As shown, the first telescopic rod 24 slides inside the second telescopic rod 25 and can be folded at different angles, while the third telescopic rod 26 slides inside the second telescopic rod 25 and can adjust the angle, so that the telescopic module 21 formed by the three can flexibly adjust the angle and position, and it is convenient to adjust the position of the fixing module, which is suitable for fixing the faces of different patients.

[0050] In one embodiment of the present application, a first adjustment groove 27 is formed on the side wall of the first telescopic rod 24, a locking hole 31 is formed at the end of the second telescopic rod 25, a first locking rod 28 is formed in the locking hole, and the first locking rod 28 extends into the first adjustment groove 27. The first locking rod 28 can slide, rotate and lock in the first adjustment groove 27, so that the position and angle of the second telescopic rod 25 on the first telescopic rod 24 can be flexibly adjusted.

[0051] In one embodiment of the present application, the second telescopic rod 25 is of concave design, and a second adjustment groove 29 is provided on the side wall of the second telescopic rod 25. A second locking rod 30 is provided on the third telescopic rod 26, and the second locking rod 30 extends into the second adjustment groove 29. The second locking rod can slide, rotate and lock in the second adjustment groove 29, so that the position and angle of the third telescopic rod 26 on the second telescopic rod 25 can be flexibly adjusted.

[0052] In one embodiment of the present application, a third adjustment slot 47 is provided on the third telescopic rod 26, and the second locking rod 30 can slide and lock in the third adjustment slot 47, so that the adjustment of the second telescopic rod 25 and the third telescopic rod 26 is more flexible and convenient.

[0053] In one embodiment of the head fixation device for post-ear surgery disclosed in the present application, the fixation module includes a fixation block 32 fixed to the mounting block 23, and a flexible contact block 33 is fixed to the side of the fixation block 32 away from the mounting block 23, and when the patient's face is fixed, the contact block 33 contacts the patient. The fixation block 32 is fixed to the mounting block 23, and the position of the fixation block 32 facing the face side is fitted with a flexible contact block 33, and the contact block 33 abuts against the patient's face, so that the patient's head is fixed and the patient's unconscious shaking is avoided.

[0054] In one embodiment of the present application, a notch 44 is provided on the contact block 33. When the patient's head is fixed, the notch 44 corresponds to the patient's ear to avoid squeezing the patient's ear and affecting postoperative recovery.

[0055] In one embodiment of the present application, the support block 10 and the contact block 33 are made of flexible materials, such as medical silicone, to improve the comfort of contact with the patient's body.

[0056] In one embodiment of the head fixing device for post-ear surgery disclosed in the present application, the two sides of the fixing block 32 are respectively hinged with adjustment blocks 34, and the mounting block 23 is threadedly connected with adjustment bolts 35 corresponding to the adjustment blocks 34, which are used to adjust the angle between the adjustment block 34 and the fixing block 32. The two sides of the fixing block 32 are respectively hinged with the adjustment blocks 34, the contact block 33 extends to the adjustment block 34, and the mounting block 23 is threadedly connected with the adjustment bolts 35, and the end of the adjustment bolt 35 is hinged with the adjustment seat slidably connected to the back of the adjustment block 34, thereby changing the angle between the adjustment block 34 and the fixing block 32, so that it fits the patient's face better and improves comfort.

[0057] In one embodiment of the present application, a side wall of the base 2 is provided with a clearance groove 45 corresponding to the adjusting bolt 35, so that the adjusting bolt 35 is retracted into the clearance groove 45 during storage, thereby reducing the occupied space during storage.

[0058] In one embodiment of the head fixation device for post-ear surgery disclosed in the present application, a plurality of fixing belts 4 are telescopically arranged at the bottom end of the base 2, and a locking hook 5 is arranged at the end of the fixing belt 4. When in use, the base 2 is fixed to the bed 1 through the locking hook 5. A plurality of fixing grooves 36 are opened on the side wall of the base 2, and the fixing grooves 36 extend into the base 2; the fixing belts 4 rolled up in the base 2 extend from the fixing grooves 36 and are fixedly connected with fixing hooks, which can be hooked on the edge of the bed board 39 to achieve the fixation of the base 2.

[0059] In one embodiment of the present application, the rolled-up fixing belt 4 has a rebound capability, which facilitates automatic rebound.

[0060] In one embodiment of the present application, a locking device is provided at the edge of the fixing groove 36 , and is locked after the fixing belt 4 is pulled into place, thereby completing the fixation of the base 2 .

[0061] In one embodiment of the head fixing device for post-ear surgery disclosed in the present application, a flexible headrest 3 is fixedly connected to the base 2, and the patient lies on the bed 1, with the head and neck of the patient falling on the headrest 3. The base 2 is provided with a headrest 3, which is made of silicone or other flexible materials. The position of the headrest 3 corresponding to the neck is higher, and the position corresponding to the head is lower, so as to improve the comfort of the patient lying on it.

[0062] In one embodiment of the present application, the surface of the headrest 3 is designed with small holes or grooves for ventilation, which further improves the comfort of the patient.

[0063] In one embodiment of the present application, the thickness of the headrest 3 at the back of the head meets the requirement of "lying flat without a pillow six hours after surgery", so the thickness of the base 2 can also be adaptively adjusted according to this requirement.

[0064] In one embodiment of the present application, the headrest 3 has a higher thickness corresponding to the position of the patient's cervical spine to form a bulge, which mainly supports the cervical spine. The appropriate thickness at this place can improve comfort and protect the cervical spine.

[0065] In one embodiment of the present application, the bed 1 is provided with a liftable lifting plate at the position where the base 2 is placed. In addition to restricting and fixing the base 2, the height of the base 2 can also be adjusted by raising and lowering the lifting plate to be suitable for different patients, so that the height of the headrest 3 can support the patient's head and neck position while meeting the requirement of "lying flat without the pillow six hours after surgery."

[0066] In one embodiment of the present application, the base 2 is also provided with a telescopic module 21 and a fixed module on the side of the patient's head top, which are similar to the structure of the support assembly. After the patient lies on the headrest of this embodiment, the telescopic module 21 at the top of the head can be adjusted to make the fixed module rest against the top of the patient's head, thereby fixing the patient's head and further improving the fixation of the patient.

[0067] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0068] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A head fixation device for use after ear surgery, characterized in that: It comprises a base (2) which is detachably mounted on a hospital bed (1) for use, and the base (2) is provided with a fixing mechanism for the position of the patient's head and neck; The fixing mechanism comprises a fixing component and a supporting component arranged on the base (2); when the patient lies on the hospital bed (1), the fixing component is fixed on both sides of the patient's head, and the supporting component is supported at the patient's lower jaw; The support assembly comprises a first guide groove (6) provided on the side wall of the base (2), a guide rod (7) being arranged in the first guide groove (6), two symmetrically arranged sliding blocks (8) being slidably connected to the guide rod (7), an end of the sliding block (8) extending out of the first guide groove (6) and being slidably connected to a length-adjustable support rod (9), a support block (10) being arranged at the top end of the support rod (9), and the support block (10) being supported at the patient's lower jaw position.

2. The head fixation device for use after ear surgery according to claim 1, characterized in that: The base (2) is provided with a first receiving groove (11) at positions on both sides of the first guide groove (6); the depth of the first receiving groove (11) is adapted to the depth of the sliding block (8); and the cross-sectional area of ​​the first receiving groove (11) is adapted to the support rod (9) and the support block (10).

3. The head fixation device for use after ear surgery according to claim 1, characterized in that: The support block (10) comprises a rotating block (12) rotatably connected to the top end of the support rod (9), and the flexibly arranged support block (10) is fixedly connected to the side wall of the rotating block (12).

4. The head fixation device for use after ear surgery according to claim 1, characterized in that: A tightening block (14) is movably arranged in the guide rod (7), and the tightening block (14) extends out of the guide rod (7); a second guide groove (17) slidably connected to the guide rod (7) is provided on the sliding block (8), and the tightening block (14) abuts against the inner wall of the second guide groove (17) to lock the sliding block (8) in the first guide groove (6).

5. The head fixation device for use after ear surgery according to claim 1, characterized in that: The support assembly comprises a second receiving groove (20) symmetrically arranged on the side wall of the base (2), a telescopic module (21) being telescopically arranged in the second receiving groove (20), the telescopic module (21) extending out of the second receiving groove (20) and being fixedly connected to a fixing plate (22), a mounting block (23) being fixedly connected to a side of the fixing plate (22) away from the telescopic module (21), a fixing module being arranged on a side of the mounting block (23) away from the telescopic module (21), and the flexibly arranged fixing module abutting against the side of the patient's head.

6. The head fixing device for use after ear surgery according to claim 5, characterized in that: The telescopic module (21) comprises a first telescopic rod (24) slidably connected to the second receiving groove (20); a second telescopic rod (25) is telescopically slidable in the first telescopic rod (24); the second telescopic rod (25) and the first telescopic rod (24) are at an adjustable angle; a third telescopic rod (26) is telescopically slidable in the second telescopic rod (25); the third telescopic rod (26) extends out of the second telescopic rod (25) and is fixedly connected to the mounting block (23); the third telescopic rod (26) and the second telescopic rod (25) are at an adjustable angle.

7. The head fixing device for use after ear surgery according to claim 5, characterized in that: The fixing module comprises a fixing block (32) fixedly connected to the mounting block (23); a flexibly arranged contact block (33) is fixedly connected to a side of the fixing block (32) away from the mounting block (23); when fixing the patient's face, the contact block (33) contacts the patient.

8. The head fixing device for use after ear surgery according to claim 7, characterized in that: Adjustment blocks (34) are hingedly connected to both sides of the fixed block (32), and adjustment bolts (35) corresponding to the adjustment blocks (34) are threadedly connected to the mounting block (23) for adjusting the angle between the adjustment block (34) and the fixed block (32).

9. The head fixing device for use after ear surgery according to claim 1, characterized in that: The bottom end of the base (2) is telescopically provided with a plurality of fixing straps (4), and the ends of the fixing straps (4) are provided with locking hooks (5). When in use, the base (2) is fixed to the hospital bed (1) via the locking hooks (5).

10. The head fixing device for use after ear surgery according to claim 1, characterized in that: A flexible headrest (3) is fixedly connected to the base (2); when a patient lies on the hospital bed (1), his head and neck rest on the headrest (3).

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