CN214435887U

CN214435887U - Oral cavity radiotherapy fixing device

Info

Publication number: CN214435887U
Application number: CN202022705246.2U
Authority: CN
Inventors: 赵娜; 张晶芳; 齐高强
Original assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-10-22
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of medical auxiliary instrument, especially, oral cavity radiotherapy fixing device, the on-line screen storage device comprises a base, the top fixed mounting of base has branch, and one side fixed mounting of branch has a fixed case, and the expansion mouth has been seted up to one side of fixed case branch, rotate on the inner wall of fixed case and install two gears, the equal fixed mounting in one side of two gears has the interlock piece that is located the fixed case outside, and fixed case fixed mounting has the fixed block on being close to one side inner wall of branch, has seted up on the fixed block and has rotated the groove, rotates the inslot rotation and install the lead screw guide pin bushing, the lead screw has been cup jointed to the screw thread on fixed worm wheel and the lead screw guide pin bushing on the lead screw guide pin bushing, the equal fixed mounting in both sides of lead screw has the rack, and two racks mesh with the gear that corresponds respectively. The utility model has simple structure and convenient use, and is convenient for the radiotherapy in the later period to adjust the opening degree of the oral cavity of the patient.

Description

Oral cavity radiotherapy fixing device

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, especially, relate to an oral radiotherapy fixing device.

Background

The mouth is the initial part of the digestive tract. The anterior part is communicated with the outside through the cleft mouth, and the posterior part is continued with the pharynx through the angina. There are organs such as teeth and tongue in the oral cavity. The front wall of the oral cavity is lip, the side wall is cheek, the top is palate, the bottom of the oral cavity is mucous membrane and muscle. In the case of oral radiotherapy, the oral cavity may be opened using the oral fixture, a radiation device inserted, and a medicine or nutrient injected while preventing biting of the tongue.

Patent publication No. CN108113632A proposes an oral cavity fixing device, which adjusts the opening degree of the oral cavity of a patient through a support rod and a rotating shaft, and the adjustment is too coarse, if medical staff carelessly adjust the oral cavity too much, the discomfort of the patient is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an oral radiotherapy fixing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an oral cavity radiotherapy fixing device, includes the base, the top fixed mounting of base has branch, and one side fixed mounting of branch has a fixed box, and the expansion mouth has been seted up to one side of fixed box branch, rotate on the inner wall of fixed box and install two gears, the equal fixed mounting in one side of two gears has the interlock piece that is located the fixed box outside, and fixed box fixed mounting has the fixed block on being close to one side inner wall of branch, has seted up on the fixed block and has rotated the groove, rotates the inslot internal rotation and installs the lead screw guide pin bushing, the lead screw guide pin bushing upper setting has cup jointed worm wheel and lead screw guide bushing upper thread and has cup jointed the lead screw, the equal fixed mounting in both sides of lead screw has the rack, and two racks mesh with the gear that corresponds respectively.

Preferably, the inner wall of the top of the fixed box is rotatably provided with one end of a worm, the worm is meshed with the worm wheel, the bottom end of the worm extends to the outside of the bottom of the fixed box, and the bottom end of the worm is fixedly sleeved with an adjusting turntable.

Preferably, the inner wall of the fixed box is provided with a sliding groove in the horizontal direction, a sliding block is arranged in the sliding groove in a sliding mode, and the sliding block is fixedly connected with one side of the screw rod.

Preferably, fixed bottom of the case portion fixed mounting has the horizontal pole, and threaded hole is seted up along the horizontal direction in one side of horizontal pole, and the gag lever post is installed to the screw hole internal thread, and the both ends of gag lever post all extend to the screw hole outside and keep away from the fixed cover of one end of adjusting the carousel and have connect the bull stick, adjust the carousel the equidistance all around and set up the spacing groove with gag lever post looks adaptation.

Preferably, the screw rod guide sleeve is sleeved with a torsion spring, and two ends of the torsion spring are respectively fixed on the inner walls of two sides of the rotating groove.

The utility model discloses in, an oral cavity radiotherapy fixing device, at first inject two interlock pieces in patient's mouth, then through rotating the rotation that the regulation carousel has driven the worm, the worm has driven the rotation of worm wheel, the worm wheel has driven the rotation of lead screw guide pin bushing, the lead screw guide pin bushing has driven the lead screw and has moved right, the lead screw has driven two racks and has moved right, two racks are at the in-process that removes, two gears have been driven and separately rotate, can drive two interlock pieces and separately rotate from top to bottom, distance between patient's the upper and lower jaw can be adjusted. Then the limiting rod is driven to move leftwards by rotating the rotating rod. Make the gag lever post card advance to adjust the spacing groove on the carousel, can fix adjusting the carousel, can fix the distance between two bite pieces, can fix the aperture in patient's oral cavity. The utility model has simple structure and convenient use, and is convenient for the radiotherapy in the later period to adjust the opening degree of the oral cavity of the patient.

Drawings

Fig. 1 is a schematic structural view of an oral radiation therapy fixing device provided by the present invention;

FIG. 2 is a schematic structural view of a portion A of an oral radiation therapy fixing device according to the present invention;

fig. 3 is a schematic structural view of a part B of an oral radiation therapy fixing device provided by the present invention.

In the figure: the device comprises a base 1, an anti-skid block 2, a support rod 3, a worm 4, a fixed box 5, a gear 6, an engagement piece 7, a rack 8, a fixed block 9, a screw rod 10, a worm wheel 11, a limiting rod 12, a torsion spring 13, a screw rod guide sleeve 14, a cross rod 15, an adjusting turntable 16 and a rotating rod 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, an oral radiotherapy fixing device comprises a base 1, a supporting rod 3 is fixedly mounted at the top of the base 1, a fixing box 5 is fixedly mounted at one side of the supporting rod 3, a movable opening is formed at one side of the supporting rod 3 of the fixing box 5, two gears 6 are rotatably mounted on the inner wall of the fixing box 5, a snap-in piece 7 located outside the fixing box 5 is fixedly mounted at one side of each of the two gears 6, a fixing block 9 is fixedly mounted on the inner wall of one side, close to the supporting rod 3, of the fixing box 5, a rotating groove is formed in the fixing block 9, a screw rod guide sleeve 14 is rotatably mounted in the rotating groove, a worm wheel 11 is fixedly sleeved on the screw rod guide sleeve 14, a screw rod 10 is sleeved on the screw rod guide sleeve 14, racks 8 are fixedly mounted at two sides of the screw rod 10, and the two racks 8 are respectively meshed with the corresponding gears 6.

Example two

The utility model discloses in, rotate the one end of installing worm 4 on the top inner wall of fixed case 5, worm 4 meshes with worm wheel 11 mutually, and the bottom extends to fixed case 5 bottoms and just the fixed cover has connect regulation carousel 16 outward, has driven the rotation of worm 4 through rotating regulation carousel 16, and worm 4 has driven the rotation of worm wheel 11, and worm wheel 11 has driven the rotation of lead screw guide pin bushing 14.

The utility model discloses in, the equal fixed mounting in bottom four corners of base 1 has non slipping spur 2, through the stability of the multiplicable whole device of non slipping spur 2.

The utility model discloses in, seted up the spout on the inner wall of fixed case 5 along the horizontal direction, slidable mounting has the slider in the spout, slider and one side fixed connection of lead screw 10, the removal of the lead screw 10 of being convenient for through spout and slider.

The utility model discloses in, 5 bottom fixed mounting of fixed case have horizontal pole 15, set up threaded hole on one side of horizontal pole 15 along the horizontal direction, threaded hole internal thread installs gag lever post 12, and the both ends of gag lever post 12 all extend to the screw hole outside and keep away from the fixed cover of one end of adjusting carousel 16 and have connect bull stick 17, adjust carousel 16 the equidistance all around offer with the spacing groove of gag lever post 12 looks adaptation, have driven gag lever post 12 and have moved left through rotating bull stick 17. So that the limiting rod 12 is clamped into the limiting groove on the adjusting turntable 16, the adjusting turntable 16 can be fixed, the distance between the two bite pieces 7 can be fixed, and the opening degree of the oral cavity of the patient can be fixed.

The utility model discloses in, cup jointed torsional spring 13 on the lead screw guide pin bushing 14, the both ends of torsional spring 13 are fixed respectively on the both sides inner wall of rotation groove, through the resetting of the lead screw guide pin bushing 14 of being convenient for of torsional spring 13.

The utility model discloses in, at first inject two interlock pieces 7 in patient's the mouth, then adjust the rotation that carousel 16 has driven worm 4 through rotating, worm 4 has driven worm wheel 11's rotation, worm wheel 11 has driven the rotation of lead screw guide pin bushing 14, lead screw guide pin bushing 14 has driven lead screw 10 and has moved right, lead screw 10 has driven two racks 8 and has moved right, two racks 8 are at the in-process that removes, two gears 6 separately rotate have been driven, can drive two interlock pieces 7 separately from top to bottom and rotate, distance between patient's the upper and lower jaw can be adjusted. The stopper rod 12 is then moved to the left by rotating the rotary rod 17. So that the limiting rod 12 is clamped into the limiting groove on the adjusting turntable 16, the adjusting turntable 16 can be fixed, the distance between the two bite pieces 7 can be fixed, and the opening degree of the oral cavity of the patient can be fixed. The utility model has simple structure and convenient use, and is convenient for the radiotherapy in the later period to adjust the opening degree of the oral cavity of the patient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an oral cavity radiotherapy fixing device, includes base (1), its characterized in that, the top fixed mounting of base (1) has branch (3), and one side fixed mounting of branch (3) has a stationary box (5), and the expansion mouth has been seted up to one side of stationary box (5) branch (3), rotate on the inner wall of stationary box (5) and install two gears (6), the equal fixed mounting in one side of two gears (6) has interlock piece (7) that is located the stationary box (5) outside, and fixed block (9) are fixed to be installed on the one side inner wall that stationary box (5) are close to branch (3), have seted up the rotation groove on fixed block (9), and lead screw guide pin bushing (14) is installed to the rotation inslot rotation, fixed cover has worm wheel (11) and lead screw guide pin bushing (14) to go up the screw thread and has cup jointed lead screw (10), the equal fixed mounting in both sides of lead screw (10) has rack (8), the two racks (8) are respectively meshed with the corresponding gears (6).

2. The oral cavity radiotherapy fixing device of claim 1, wherein one end of the worm (4) is rotatably installed on the top inner wall of the fixing box (5), the worm (4) is engaged with the worm wheel (11), and the bottom end of the worm extends out of the bottom of the fixing box (5) and is fixedly connected with the adjusting turntable (16).

3. The oral cavity radiotherapy fixing device of claim 1, wherein the four corners of the bottom of the base (1) are fixedly provided with anti-slip blocks (2).

4. The oral cavity radiotherapy fixing device of claim 1, wherein the inner wall of the fixing box (5) is provided with a sliding groove along the horizontal direction, a sliding block is slidably mounted in the sliding groove, and the sliding block is fixedly connected with one side of the screw rod (10).

5. The oral cavity radiotherapy fixing device of claim 1, wherein a cross rod (15) is fixedly installed at the bottom of the fixing box (5), a threaded hole is formed in one side of the cross rod (15) along the horizontal direction, a limiting rod (12) is installed in the threaded hole, a rotating rod (17) is fixedly sleeved at one end of the limiting rod (12) which extends out of the threaded hole and is far away from the adjusting turntable (16), and limiting grooves matched with the limiting rod (12) are formed in the periphery of the adjusting turntable (16) at equal intervals.

6. The oral cavity radiotherapy fixing device of claim 1, wherein the screw rod guide sleeve (14) is sleeved with a torsion spring (13), and two ends of the torsion spring (13) are respectively fixed on two side inner walls of the rotating groove.