CN215839537U

CN215839537U - Otolaryngology operation fixing device

Info

Publication number: CN215839537U
Application number: CN202122172283.6U
Authority: CN
Inventors: 董玉科
Original assignee: Zhengzhou Central Hospital
Current assignee: Zhengzhou Central Hospital
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-02-18
Anticipated expiration: 2031-09-08

Abstract

An ear-nose-throat operation fixing device effectively solves the problems of inconvenient head fixing and inconvenient fixed height adjustment of a patient; the gear rack type swing mechanism comprises a rectangular box, a slide bar in the up-down direction is connected in the rectangular box in a sliding mode, the upper end of the slide bar penetrates through the rectangular box and is provided with a control box, the left side and the right side of the upper end of the control box are respectively connected with a fixed plate in a sliding mode, a rectangular groove is formed in the front end of the fixed plate, two swing rods which are opposite in the front-back direction are hinged in the control box, the two swing rods are in an X shape, arc racks with arc mouths facing upwards are arranged at the lower ends of the two swing rods respectively, the diameter of the arc rack on the upper side is smaller than that of the arc rack on the lower side, an inserting column inserted into the rectangular groove is hinged in the control box in a penetrating mode at the upper end of the swing rods, and two gears which are opposite in the front-back direction and meshed with the arc racks on the corresponding side are arranged in the control box; the utility model has the advantages of ingenious structure and convenient use, is convenient for fixing the head of a patient and can adjust the fixed height.

Description

Otolaryngology operation fixing device

Technical Field

The utility model relates to the technical field of otolaryngology, in particular to an otolaryngology operation fixing device.

Background

Otolaryngology operation is meticulous, when the operation, needs medical personnel to fix patient's head with both hands, and the doctor is tired easily through arm and wrist when the time is longer, and during long-time operation, also can cause the discomfort for the doctor, reduces the degree of accuracy and the efficiency that the doctor was operated, takes place medical accident even, and different patient sizes are different, and present fixing device is not convenient for adjust fixed height according to patient's height.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a fixing device for ear, nose and throat surgery, which effectively solves the problems of inconvenient head fixation and inconvenient height adjustment of a patient.

The technical scheme includes that the device comprises a rectangular box, a slide rod in the vertical direction is connected in the rectangular box in a sliding mode, the upper end of the slide rod penetrates through the rectangular box and is provided with a control box, the left side and the right side of the upper end of the control box are respectively connected with a fixing plate in a sliding mode, a rectangular groove is formed in the front end of the fixing plate, two swing rods which are opposite in the front-back direction are hinged in the control box, the two swing rods are in an X shape, arc-shaped racks with upward arc mouths are arranged at the lower ends of the two swing rods respectively, the diameter of the arc-shaped rack on the upper side is smaller than that of the arc-shaped rack on the lower side, the upper end of each swing rod penetrates through the control box and is hinged with an inserting column inserted into the rectangular groove, and two gears which are opposite in the front-back direction and meshed with the arc-shaped racks on the corresponding side are arranged in the control box.

The utility model has the advantages of ingenious structure and convenient use, is convenient for fixing the head of a patient and can adjust the fixed height.

Drawings

Fig. 1 is an isometric view of the present invention.

FIG. 2 is a front elevational perspective view, in full section, of the present invention.

Figure 3 is a cut-away right isometric view of the present invention.

Fig. 4 is a front perspective view of a control box of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4, including rectangle box 1, slide bar 2 of direction about sliding connection has in rectangle box 1, slide bar 2 upper end runs through rectangle box 1 and is equipped with

control box

3, 3 upper end left and right sides of control box sliding connection have fixed plate 6 respectively, the rectangular channel has been seted up to fixed plate 6 front end, it has relative pendulum rod 4 around two to articulate in the control box 3, two pendulum rod 4 are X-shaped, two 4 lower extremes of pendulum rod are equipped with arc mouth arc rack 5 up respectively, the diameter of the arc rack 5 of upside is less than the diameter of the arc rack 5 of downside, pendulum rod 4 upper end runs through control box 3 and articulates there is the post of inserting that inserts the rectangular channel, be equipped with in the control box 3 around two relative and rather than the arc rack 5 meshing's of corresponding side gear 8.

In order to realize the rotary connection between the gear 8 and the control box 3, a front-back axial rotating shaft 7 is connected in the control box 3 in a rotary mode, and the two gears 8 are coaxially and fixedly connected with the rotating shaft 7.

In order to limit the sliding rod 2 conveniently, a plurality of limiting grooves 9 uniformly distributed along the vertical direction are formed in the front side wall of the rectangular box 1, a front end and a rear end of the sliding rod 2 are slidably connected with a front axial pull rod 10 and a rear axial pull rod 10 in a T shape, and a limiting block 11 capable of being inserted into the limiting grooves 9 is arranged on the outer edge surface of the pull rod 10.

In order to limit the swing rod 4, the rotating shaft 7 is coaxially and slidably connected with a rotating drum 15, the front end of the rotating drum 15 penetrates through the control box 3, a plurality of triangular grooves are uniformly distributed along the circumferential direction of the rotating drum 15 on the front side wall of the control box 3, and a plurality of limiting teeth 12 which are uniformly distributed along the circumferential direction of the rotating drum 15 and can be inserted into the triangular grooves are arranged on the rotating drum 15.

In order to facilitate the resetting of the pull rod 10 and the rotary drum 15, the front end of the rectangular box 1 is connected with the pull rod 10 through a front axial spring and a rear axial spring, the front end of the rotary drum 15 is provided with a handle, and the rotary drum 15 is sleeved with a pressure spring positioned between the handle and the control box 3.

In order to enable the swing rod 4 to smoothly swing left and right, the upper end of the control box 3 is provided with a yielding groove 13 which is communicated up and down, and the swing rod 4 is positioned in the yielding groove 13.

For better use, the upper end of the control box 3 is provided with an arc-shaped pad 14 positioned between the two fixing plates 6.

When the patient lifting device is used, a patient sits behind the control box 3, then the height of the control box 3 is adjusted according to the height of the patient, when the patient control box 3 needs to be lifted, the pull rod 10 is pushed backwards, the pull rod 10 drives the limiting block 11 to move backwards, so that the limiting block 11 is not inserted into the limiting groove 9 any more, the spring is compressed in the process, the limiting of the slide rod 2 is relieved, the pull rod 10 is pulled upwards, the pull rod 10 drives the control box 3 to move upwards through the slide rod 2, when the arc-shaped pad 14 is in contact with the lower jaw of the patient, the pull rod 10 is loosened, the limiting block 11 is driven by the pull rod 10 under the action of the spring to be inserted into the limiting groove 9, at the moment, the slide rod 2 cannot slide, and the height of the head of the patient is fixed;

then the handle is pushed backwards, the handle drives the limiting teeth 12 to move backwards through the rotary drum 15, the limiting teeth 12 are not inserted into the triangular grooves any more, the limiting of the swing rods 4 is relieved at the moment, then the rotary drum 15 is rotated clockwise, the rotary drum 15 drives the two gears 8 to rotate clockwise through the rotary shaft 7, the gears 8 are meshed to enable the two swing rods 4 to swing oppositely, the distance between the two inserted columns is reduced, the two fixing plates 6 are driven to move oppositely, the head of a patient is clamped and fixed, the distance between the two fixing plates 6 is equal as the diameter of the arc-shaped rack 5 on the upper side is smaller than that of the arc-shaped rack 5 on the lower side, then the handle is loosened, the rotary drum 15 drives the limiting teeth 12 to move forwards under the action force of a pressure spring, the limiting teeth 12 are inserted into the triangular grooves, and the head of the patient is fixed at the moment;

then, the patient is operated, and after the operation is finished, the handle is pushed backwards and rotated anticlockwise to enable the two fixing plates 6 to be opposite to each other, and when the distance between the two fixing plates 6 is proper, the head of the patient is removed from the arc-shaped pad 14.

The utility model has simple structure, convenient operation, novel conception and strong practicability, is provided with a gear, a rotating shaft, a swing rod and a fixed plate, can drive the fixed plate to clamp the head of a patient by rotating the rotating shaft, is provided with a rotary drum, a limiting tooth and a triangular groove, can clamp and limit the head of the patient by clamping the limiting tooth in the limiting groove, is provided with a slide rod, a pull rod, a limiting block and a limiting groove, and can realize the adjustment and the limiting of the height of the head of the patient by sliding the slide rod up and down.

Claims

1. The utility model provides an otolaryngology operation fixing device, including rectangle box (1), a serial communication port, slide bar (2) of direction about sliding connection has in rectangle box (1), slide bar (2) upper end runs through rectangle box (1) and is equipped with control box (3), control box (3) upper end left and right sides sliding connection has fixed plate (6) respectively, the rectangular channel has been seted up to fixed plate (6) front end, it has relative pendulum rod (4) around two to articulate in control box (3), two pendulum rod (4) are X-shaped, two pendulum rod (4) lower extreme are equipped with arc mouth arc rack (5) up respectively, the diameter of arc rack (5) of upside is less than the diameter of arc rack (5) of downside, pendulum rod (4) upper end runs through control box (3) and articulates there is the post of inserting that inserts the rectangular channel, be equipped with in control box (3) around two relative and rather than correspond arc rack (5) meshing gear (8) of side.

2. An otolaryngological operation fixing device according to claim 1, characterized in that, the control box (3) is connected with a front and back axial rotating shaft (7) in a rotating way, and two gears (8) are coaxially and fixedly connected with the rotating shaft (7).

3. The otolaryngological operation fixing device of claim 1, wherein the front side wall of the rectangular box (1) is provided with a plurality of limiting grooves (9) which are uniformly distributed along the vertical direction, the front end of the slide bar (2) is connected with a front-back axial and T-shaped pull bar (10) in a sliding way, and the outer edge surface of the pull bar (10) is provided with a limiting block (11) which can be inserted into the limiting grooves (9).

4. The otolaryngology of claim 2, wherein the pivot (7) on coaxial sliding connection have the front end to run through the rotary drum (15) of control box (3), control box (3) front side wall on seted up a plurality of triangular groove along rotary drum (15) circumferencial direction equipartition, be equipped with a plurality of along its circumferencial direction equipartition and can insert spacing tooth (12) in the triangular groove on rotary drum (15).

5. An otolaryngological operation fixing device according to claim 1, characterized in that the front end of the rectangular box (1) is connected with the pull rod (10) through a front and back axial spring, the front end of the rotary drum (15) is provided with a handle, and the rotary drum (15) is sleeved with a pressure spring between the handle and the control box (3).

6. The otolaryngological operation fixing device of claim 1, wherein the control box (3) upper end is equipped with a groove (13) of stepping down that runs through from top to bottom, the pendulum rod (4) is located in the groove (13) of stepping down.

7. An otolaryngological operation fixing device according to claim 1, characterized in that the control box (3) is provided at its upper end with an arc-shaped pad (14) between the two fixing plates (6).