CN211213570U

CN211213570U - Fixing head frame for operation

Info

Publication number: CN211213570U
Application number: CN201921962519.2U
Authority: CN
Inventors: 邹武林
Original assignee: Shanghai Mucheng Intelligent Medical Technology Co ltd
Current assignee: Shanghai Mucheng Intelligent Medical Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-11
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a fixing head frame for operation, which belongs to the technical field of medical instruments. The fixing head frame for the operation comprises a head hoop assembly, a bottom fixing mechanism, a top fixing mechanism and a positioning assembly, wherein the head hoop assembly comprises an annular head hoop and a locking mechanism, the annular head hoop can be horizontally sleeved in the middle of the skull of a patient, the locking mechanism can move back and forth along the radial direction of the annular head hoop so as to lock the annular head hoop on the skull of the patient, the bottom fixing mechanism and the top fixing mechanism are respectively connected below and above the annular head hoop and can be respectively sleeved at the chin and the top of the patient, and the positioning assembly is used for positioning a craniotomy point. The fixing head frame for the operation can complete the fixation without punching holes on the skull of a patient, reduces the injection of anesthetic once, reduces the injury to the patient, and has a plurality of fixing points and good stability. In addition, the locking mechanism is arranged on the annular head band, so that the fixed head frame is suitable for different patients, and the universality is high.

Description

Fixing head frame for operation

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a fixed headstock is used in operation.

Background

Craniotomy is a common surgical approach for treating brain diseases, and doctors need to perform CT to determine the craniotomy position before performing craniotomy on patients. The current way is: firstly, the scalp of a patient is beaten with anesthetic, and then a metal head frame is screwed on the skull of the patient by screws, wherein the number of the screws is usually not less than 3; then, the patient carries the metal head frame to do head CT, and after scanning, the doctor finds out a corresponding craniotomy point on a computer and determines the craniotomy position; and finally, applying the anesthetic on the skull of the patient again, drilling holes at the craniotomy point after the anesthetic acts, and starting to perform the operation.

In the whole process, the patient needs to take two times of anesthetics, and the body of the patient can be seriously damaged by multiple times of anesthetics. Also, to install three screws, three holes are made in the patient's skull, which can be a permanent, unrecoverable injury to the patient. The existing metal head frame can be fixed on a skull only by screwing screws, so that the metal head frame can hurt patients, belongs to three types of apparatuses, and how to provide a head frame which does not hurt human bodies and belongs to one type of apparatus is a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed headstock is used in operation, this fixed headstock is used in operation stability is good, the commonality is high, and can not cause the injury to patient.

To achieve the purpose, the utility model adopts the following technical proposal:

a surgical headgear comprising:

the head hoop assembly comprises an annular head hoop and a locking mechanism, the annular head hoop can be horizontally sleeved in the middle of the skull of the patient, and the locking mechanism is arranged on the annular head hoop and can move back and forth along the radial direction of the annular head hoop so as to lock the annular head hoop on the skull of the patient;

the top fixing mechanism is connected above the annular head band and can be sleeved at the top of the head of the patient;

the bottom fixing mechanism is connected below the annular head band and can be sleeved at the chin of the patient;

and the positioning component is movably arranged on the annular head hoop and is used for positioning the craniotomy point.

Preferably, the positioning assembly comprises an arc-shaped positioning frame and a sliding positioning block, the end part of the arc-shaped positioning frame is rotatably connected to the annular head hoop, the arc-shaped positioning frame and the annular head hoop form a hat-shaped structure capable of being sleeved on the upper part of the skull of the patient, and the sliding positioning block is slidably arranged on the arc-shaped positioning frame.

Preferably, the sliding positioning block comprises a first positioning block, a second positioning block and a locking structure, the first positioning block is arranged above the arc-shaped positioning frame, the second positioning block is arranged below the arc-shaped positioning frame, and the locking mechanism has a locking state for locking the first positioning block and the second positioning block on the arc-shaped positioning frame and a releasing state for enabling the first positioning block and the second positioning block to slide along the arc-shaped positioning frame.

Preferably, the first positioning block and the second positioning block are respectively provided with a clamping half groove, and the clamping half grooves are oppositely arranged to form clamping connection with the clamping grooves of the arc-shaped positioning frame.

Preferably, the first positioning block and the second positioning block are both provided with locking holes;

the locking structure comprises a bolt and a nut, the bolt sequentially penetrates through the two locking holes, and the nut is in threaded connection with the free end of the bolt.

Preferably, the arc locating rack is provided with an arc avoiding groove along the circumferential direction, and the bolt penetrates through the arc avoiding groove.

Preferably, the annular head band is provided with a threaded hole;

locking mechanism includes threaded rod, butt piece and retaining member, threaded rod threaded connection be in the screwed hole, the butt piece sets up the threaded rod is located on the inside tip of annular head hoop, the retaining member locking is located the threaded rod the outside tip of annular head hoop.

Preferably, the number of the locking mechanisms is multiple, and the multiple locking mechanisms are uniformly distributed along the circumferential direction of the annular head band.

Preferably, the bottom fixing mechanism comprises a bottom fixing piece and a plurality of second elastic belts arranged along the circumferential direction of the bottom fixing piece, the bottom ends of the second elastic belts are connected with the bottom fixing piece, the top ends of the second elastic belts are connected with the annular head band, and the bottom fixing piece can be clamped at the chin of a patient.

Preferably, the top fixing mechanism comprises a top fixing piece and a plurality of first elastic belts arranged along the circumferential direction of the top fixing piece, the top ends of the first elastic belts are connected with the top fixing piece, the bottom ends of the first elastic belts are connected with the annular head band, and the top fixing piece can be abutted against the top of the head of the patient.

The utility model has the advantages that:

the utility model provides a fixed headstock is used in operation, this fixed headstock is used in operation includes head hoop subassembly, bottom fixed establishment, top fixed establishment and locating component, head hoop subassembly includes annular head hoop and locking mechanism, annular head hoop can the horizontal sleeve establish at the middle part of patient's head, locking mechanism sets up on annular head hoop, and can follow the radial back-and-forth movement of annular head hoop, in order to lock annular head hoop on patient's head, bottom fixed establishment and top fixed establishment connect respectively in the below and the top of annular head hoop, and can support respectively to press at patient's chin and top of the head department, the portable setting of locating component is on annular head hoop, be used for fixing a position cranium and open a little. The fixing head frame for the operation can fix the head frame without perforating the skull of a patient, reduces the injection of anesthetic once, reduces the injury to the patient, and has a plurality of fixing points and good stability. The locking mechanism is arranged on the annular head band, so that the fixing head frame is suitable for different patients, and the universality is high.

Drawings

Fig. 1 is a schematic structural diagram of a surgical head fixing frame provided by the present invention.

In the figure:

1. an annular head band; 2. a locking mechanism; 21. a threaded rod; 22. an abutting member; 23. a locking member; 3. a bottom fixing mechanism; 31. a bottom fixture; 32. a second elastic band; 4. a top fixing mechanism; 41. a top mount; 42. a first elastic band; 5. a positioning assembly; 51. an arc-shaped positioning frame; 511. an avoidance groove; 52. sliding a positioning block; 521. a first positioning block; 522. a second positioning block; 523. and (5) locking structures.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present embodiment provides a surgical fixation head which is an auxiliary device that can be used in CT examination to determine the point of craniotomy. As shown in fig. 1, the surgical headgear includes a head band assembly, a bottom securing mechanism 3, a top securing mechanism 4, and a positioning assembly 5.

Wherein, the head band component comprises an annular head band 1 and a locking mechanism 2. The annular head band 1 can be horizontally sleeved in the middle of the skull of the patient, for example, the annular head band 1 can be sleeved in a position which is flush with the ears of the patient. In the present embodiment, in order to improve the structural strength of the annular headband 1 and prevent the annular headband 1 from rusting during long-term use, the annular headband 1 is made of stainless steel. Of course, in other embodiments, other structurally strong materials are equally suitable for use as the annular headpiece 1, such as hard plastic or alloy materials.

In order to make the annular head band 1 suitable for all people to wear, the diameter of the annular head band 1 is set to be larger than the maximum value of the head circumference of a normal person, a locking mechanism 2 is arranged on the annular head band 1, the locking mechanism 2 can move back and forth along the radial direction of the annular head band 1, and the annular head band 1 can be locked in the middle of the skull of a patient by the locking mechanism 2. Specifically, as shown in fig. 1, the locking mechanism 2 includes a threaded rod 21, an abutment 22, and a lock 23. The annular head hoop 1 is provided with a threaded hole along the radial direction, and the threaded rod 21 is in threaded connection in the threaded hole. The abutment member 22 is disc-shaped and is fixedly connected to the end of the threaded rod 21 located inside the annular headpiece 1. Optionally, the direction of the axis of the abutment 22 is collinear with the axis of the threaded rod 21. The locking member 23 is in the form of a nut which can be screwed in by the threaded rod 21 at the end outside the annular headpiece 1 and into abutment with the annular headpiece 1.

By rotating the threaded rod 21 outward, the abutment 22 can be moved in a direction away from the center of the annular headband 1, and the space inside the annular headband 1 can be increased. By rotating the threaded rod 21 inward, the abutment 22 can be moved in a direction toward the center of the annular headpiece 1, thereby reducing the space inside the annular headpiece 1. When the head band assembly is worn, firstly, the abutting part 22 is adjusted to the position farthest from the center of the annular head band 1, and then the annular head band 1 is sleeved on the skull of a patient; then, the threaded rod 21 is screwed again, so that the abutting part 22 moves towards the direction close to the center of the annular head hoop 1 until the abutting part abuts against the skull of the patient; finally, the locking piece 23 is adjusted to lock the position between the threaded rod 21 and the annular head hoop 1, so that looseness is avoided.

In order to improve the wearing experience of the patient and the stability of the annular headpiece 1, in the embodiment, a plurality of threaded holes may be provided on the annular headpiece 1, and a locking mechanism 2 may be assembled in each threaded hole. Alternatively, as shown in fig. 1, the number of the threaded holes and the locking mechanisms 2 is three, and the threaded holes and the locking mechanisms are uniformly distributed on the annular headpiece 1. Of course in other embodiments the number of threaded holes and locking mechanisms 2 may be increased or decreased as desired.

The top fixing mechanism 4 and the bottom fixing mechanism 3 are mainly used for improving the stability of the annular head band 1 after being worn. As shown in fig. 1, the top fixing mechanism 4 is connected above the annular head band 1 and can be sleeved on the top of the head of a patient. Specifically, the top fixing mechanism 4 includes a top fixing member 41 and a plurality of first elastic bands 42 circumferentially disposed along the top fixing member 41, a top end of each first elastic band 42 is connected to the top fixing member 41, a bottom end of each first elastic band 42 is connected to the annular headpiece 1, and the top fixing member 41 can press against the top of the head of the patient.

Alternatively, the top fixing member 41 is a diamond-shaped elastic sheet having four corners. The number of the first elastic bands 42 is four, and the four first elastic bands 42 are respectively connected to four corners of the top fixing member 41 and are uniformly distributed along the circumferential direction of the annular head band 1. Optionally, in order to reduce the binding of the top fixing piece 41 to the top of the head of the patient, so as to improve the wearing experience of the patient, an avoiding hole is provided in the middle of the top fixing piece 41. Of course, in other embodiments, the shape of the top fixing member 41 may be changed according to the requirement, for example, the top fixing member is configured to be rectangular, circular or other shapes, and the number of the first elastic bands 42 may also be increased or decreased according to the requirement.

In order to facilitate the connection between the first elastic band 42 and the top fixing member 41 and the annular head band 1, a connecting frame is disposed on each of the top fixing member 41 and the annular head band 1, and the first elastic band 42 is connected to the two connecting members in an annular shape. Alternatively, the first elastic band 42 may be connected using a snap fastener to adjust the length according to the length of the patient's head.

As shown in fig. 1, the bottom fixing mechanism 3 is connected below the annular head band 1 and can be sleeved at the chin of the patient. Specifically, in the present embodiment, the bottom fixing mechanism 3 includes a bottom fixing member 31 and a plurality of second elastic bands 32 circumferentially disposed along the bottom fixing member 31, a bottom end of the second elastic band 32 is connected to the bottom fixing member 31, a top end of the second elastic band 32 is connected to the annular headgear 1, and the bottom fixing member 31 can be clipped at the chin of the patient.

Alternatively, the bottom fixing member 31 has a shell-like structure provided with a receiving groove for allowing the chin of the patient to enter. Through setting up the storage tank, can improve patient's wearing and experience and wear stability. Optionally, the bottom fixing member 31 is further provided with air holes, and the air holes are circular and three in number. Of course, the shape and number of the ventilation holes can be changed according to the requirement. The number of the second elastic bands 32 is four, two of the second elastic bands 32 are attached to the left side of the bottom chassis 31, and the other two second elastic bands 32 are attached to the right side of the bottom chassis 31. Two second elastic bands 32 on different sides are connected between the bottom fixing member 31 and the annular headpiece 1 in a triangular shape to avoid the mouth and nose of the patient.

In order to facilitate the connection between the second elastic band 32 and the bottom fixing member 31 and the annular head band 1, the bottom fixing member 31 and the annular head band 1 are both provided with a connecting frame, and the second elastic band 32 is connected to the two connecting members in an annular shape. Alternatively, the second elastic band 32 may be connected using a snap fastener to adjust the length according to the length of the patient's head.

The positioning component 5 is movably arranged on the annular head hoop 1 and used for positioning a craniotomy point. Specifically, as shown in fig. 1, the positioning assembly 5 includes an arc-shaped positioning frame 51 and a slide positioning block 52. The arc-shaped positioning frame 51 is a semi-circular rod-shaped structure, is arranged above the annular head hoop 1, and forms a hat-shaped structure capable of being sleeved on the upper part of the skull of the patient together with the annular head hoop 1. The end of the arc positioning frame 51 is rotatably connected to the annular head band 1, the initial state of the arc positioning frame 51 is perpendicular to the annular head band 1, and the arc positioning frame 51 can be rotated to the front or the rear of the annular head band 1 by rotating the arc positioning frame 51.

The sliding positioning block 52 is slidably arranged on the arc-shaped positioning frame 51. Alternatively, the slide positioning block 52 moves in the circumferential direction of the arc-shaped positioning frame 51 so as to be able to move to the left or right of the annular headpiece 1. Because the sliding positioning block 52 moves along the circumferential direction of the arc positioning frame 51, when the arc positioning frame 51 rotates, the sliding positioning block 52 can reach all positions on the hemispherical surface formed in the rotating process of the arc positioning frame 51, and the positioning device has the advantage of wide positioning range.

Specifically, in the present embodiment, the sliding positioning block 52 includes a first positioning block 521, a second positioning block 522 and a locking structure 523, the first positioning block 521 is disposed above the arc-shaped positioning frame 51, and the second positioning block 522 is disposed below the arc-shaped positioning frame 51. The locking mechanism 2 has a locked state in which the first positioning block 521 and the second positioning block 522 are locked to the arc-shaped positioning frame 51 and an unlocked state in which the first positioning block 521 and the second positioning block 522 can slide along the arc-shaped positioning frame 51.

When the sliding positioning block 52 needs to move along the circumferential direction of the arc-shaped positioning frame 51, the locking structure 523 needs to be released first, so that a certain gap is formed between the first positioning block 521 and the second positioning block 522 and the arc-shaped positioning frame 51, so as to ensure the moving process. When the sliding positioning block 52 moves to the target position, the locking structure 523 is locked, so that the first positioning block 521 and the second positioning block 522 are clamped on two sides of the arc-shaped positioning frame 51, so as to ensure the positioning accuracy. The arrangement enables the sliding positioning blocks 52 to move smoothly in the interval and accurate in positioning.

Optionally, the locking structure 523 comprises a bolt and a nut. The first positioning block 521 and the second positioning block 522 are both provided with locking holes, the bolt sequentially penetrates through the two locking holes, and the nut is in threaded connection with the free end of the bolt. Further optionally, the arc-shaped positioning frame 51 is provided with an arc-shaped avoiding groove 511 along the circumferential direction, and the bolt passes through the arc-shaped avoiding groove 511.

In order to improve the accuracy and stability of the first positioning block 521 and the second positioning block 522 moving along the arc-shaped positioning frame 51, the first positioning block 521 and the second positioning block 522 are respectively provided with a clamping half-groove, and the two clamping half-grooves are oppositely arranged to form a clamping groove for clamping the arc-shaped positioning frame 51. Of course, in other embodiments, only the first positioning block 521 or the second positioning block 522 may be provided with a clamping half-groove.

The fixing head frame for the operation has a compact structure, can be stably sleeved on the skull of a patient, thereby not only reducing the injection of the anesthetic once, but also avoiding the need of forming a hole on the skull of the patient, greatly reducing the damage to the patient and improving the operation efficiency. And the fixing head frame for the operation has a plurality of fixing points including the chin, the top of the head and the lateral part of the head, and has good stability. In addition, according to the fixing head frame for the operation, the locking mechanism 2 is arranged on the annular head hoop 1, so that the fixing head frame is suitable for different patients, and the universality is high.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A surgical headgear, comprising:

the head hoop assembly comprises an annular head hoop (1) and a locking mechanism (2), the annular head hoop (1) can be horizontally sleeved in the middle of the skull of a patient, and the locking mechanism (2) is arranged on the annular head hoop (1) and can move back and forth along the radial direction of the annular head hoop (1) so as to lock the annular head hoop (1) on the skull of the patient;

the top fixing mechanism (4) is connected above the annular head band (1) and can be sleeved at the top of the head of a patient;

the bottom fixing mechanism (3) is connected below the annular head band (1) and can be sleeved at the chin of a patient;

the positioning component (5) is movably arranged on the annular head hoop (1) and is used for positioning a craniotomy point.

2. The surgical headgear of claim 1,

the positioning assembly (5) comprises an arc-shaped positioning frame (51) and a sliding positioning block (52), the end part of the arc-shaped positioning frame (51) is rotatably connected to the annular head hoop (1), the arc-shaped positioning frame (51) and the annular head hoop (1) form a cap-shaped structure capable of being sleeved on the upper part of the skull of a patient, and the sliding positioning block (52) is slidably arranged on the arc-shaped positioning frame (51).

3. The surgical headgear of claim 2,

the sliding positioning block (52) comprises a first positioning block (521), a second positioning block (522) and a locking structure (523), the first positioning block (521) is arranged above the arc-shaped positioning frame (51), the second positioning block (522) is arranged below the arc-shaped positioning frame (51), and the locking mechanism (2) has a locking state for locking the first positioning block (521) and the second positioning block (522) on the arc-shaped positioning frame (51) and a releasing state for enabling the first positioning block (521) and the second positioning block (522) to slide along the arc-shaped positioning frame (51).

4. The surgical headgear of claim 3,

the first positioning block (521) and the second positioning block (522) are respectively provided with a clamping half groove, and the clamping half grooves are oppositely arranged to form a clamping groove for clamping the arc-shaped positioning frame (51).

5. The surgical headgear of claim 3,

locking holes are formed in the first positioning block (521) and the second positioning block (522);

the locking structure (523) comprises a bolt and a nut, the bolt sequentially penetrates through the two locking holes, and the nut is in threaded connection with the free end of the bolt.

6. The surgical headgear of claim 5,

arc locating rack (51) are provided with arc along circumference and dodge groove (511), the bolt passes arc dodges groove (511) and sets up.

7. The surgical headgear of claim 1,

the annular head hoop (1) is provided with a threaded hole;

locking mechanism (2) are including threaded rod (21), butt piece (22) and retaining member (23), threaded rod (21) threaded connection in the screwed hole, butt piece (22) set up threaded rod (21) are located on the inside tip of annular head hoop (1), retaining member (23) locking is located threaded rod (21) on the outside tip of annular head hoop (1).

8. The surgical headgear of claim 1,

the number of the locking mechanisms (2) is multiple, and the locking mechanisms (2) are uniformly distributed along the circumferential direction of the annular head band (1).

9. Surgical headgear according to any one of claims 1-8,

bottom fixed establishment (3) include bottom mounting (31) and many edges second elastic band (32) that bottom mounting (31) circumference set up, the bottom of second elastic band (32) with bottom mounting (31) are connected, the top of second elastic band (32) with annular head hoop (1) is connected, bottom mounting (31) can block in patient's chin.

10. Surgical headgear according to any one of claims 1-8,

the top fixing mechanism (4) comprises a top fixing piece (41) and a plurality of first elastic belts (42) arranged along the circumferential direction of the top fixing piece (41), the top ends of the first elastic belts (42) are connected with the top fixing piece (41), the bottom ends of the first elastic belts (42) are connected with the annular head hoop (1), and the top fixing piece (41) can be abutted against the top of the head of a patient.