CN219021912U

CN219021912U - Tympanic membrane breather pipe placer

Info

Publication number: CN219021912U
Application number: CN202222437074.4U
Authority: CN
Inventors: 韩琳
Original assignee: Peking University Peoples Hospital
Current assignee: Peking University Peoples Hospital
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-05-16
Anticipated expiration: 2032-09-14

Abstract

The tympanic membrane vent pipe placing device comprises a guide rod, wherein a sleeve is sleeved on the guide rod in a sliding manner, and the length of the sleeve is smaller than that of the guide rod; the sleeve is provided with a supporting component; the support component comprises a threaded cylinder which is sleeved on the sleeve in a sliding way, a fixed ring is fixedly connected to one end of the outer wall of the threaded cylinder, a movable ring is further arranged on the outer wall of the threaded cylinder in a sliding way, the outer side peripheral wall of the fixed ring is fixedly connected with the outer side peripheral wall of the movable ring through a steel wire mesh, a distance adjusting component is arranged at one end, far away from the fixed ring, of the outer wall of the threaded cylinder, and the movable ring is limited between the fixed ring and the distance adjusting component; the utility model can support the guide rod and the sleeve in the external auditory canal without holding by hands all the time, and only needs to control the direction and the angle by hands, thereby improving the stability of the guide rod and the sleeve, enabling the vent pipe to be inserted into the tympanic membrane incision more easily and accurately, simultaneously ensuring the safety of the operation because the thickness of the sleeve does not influence the tympanic membrane incision.

Description

Tympanic membrane breather pipe placer

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a tympanic membrane vent tube placement device.

Background

For tympanitis with secretion or tympanic effusion caused by other reasons, a patient needs to perform tympanic catheterization operation to communicate the inside and the outside of the tympanic membrane so as to realize effusion discharge and ventilation; the tympanic membrane tube placing operation firstly needs to make a small incision on the tympanic membrane, then a doctor removes effusion of the tympanic membrane by using a suction tube, and places a vent tube at the small incision of the tympanic membrane, so that air can enter the tympanic membrane, meanwhile, effusion generated again by the tympanic membrane can be discharged, generally, the condition of the tympanic membrane tube placing after 3 months is improved, the vent tube can be automatically discharged out of the tympanic membrane, and finally the incision on the tympanic membrane can be healed slowly.

The existing device for placing the vent pipe is generally a sleeve, a push rod is arranged in the sleeve, the vent pipe is plugged into the front end of the sleeve, then the sleeve is inserted into a tympanic cavity, a part of the vent pipe is pushed out by the push rod, then the push rod is kept still, the sleeve is pulled outwards until the vent pipe is pulled out completely, and the vent pipe is left on the tympanic membrane; however, due to the thickness of the sleeve, the incision on the tympanic membrane may be enlarged or even torn when the sleeve is inserted into the incision on the tympanic membrane, and in addition, the sleeve needs to be grasped by hands in the whole process because of no supporting parts, and the sleeve is likely to be difficult to align with the incision on the tympanic membrane due to hand shake in the moving process, so that extra wounds are even caused.

Disclosure of Invention

The utility model aims to provide a tympanic membrane vent pipe placement device which solves the problems in the prior art.

The tympanic membrane vent pipe placement device comprises a guide rod, wherein a sleeve is sleeved on the guide rod in a sliding manner, and the length of the sleeve is smaller than that of the guide rod; the sleeve is provided with a supporting component;

the support assembly comprises a threaded cylinder which is sleeved on the sleeve in a sliding manner, a fixed ring is fixedly connected to one end of the outer wall of the threaded cylinder, a movable ring is further arranged on the outer wall of the threaded cylinder in a sliding manner, the outer side peripheral wall of the fixed ring is fixedly connected with the outer side peripheral wall of the movable ring through a steel wire mesh, a distance adjusting assembly is arranged at one end, far away from the fixed ring, of the outer wall of the threaded cylinder, and the movable ring is limited between the fixed ring and the distance adjusting assembly.

Preferably, the distance adjusting assembly comprises a rotary drum in threaded connection with the threaded drum, and a screwing ring is fixedly sleeved on the outer wall of the rotary drum.

Preferably, a pinching plate is fixedly connected to one end of the guide rod, which is close to the rotary drum.

Preferably, a push plate is fixedly connected to one end of the sleeve, which is close to the rotary drum.

Preferably, one end of the outer wall of the sleeve, which is far away from the push plate, is fixedly connected with a camera.

Preferably, anti-skid patterns are formed on the outer wall of the screwing ring.

Preferably, the screwing ring is fixedly sleeved at one end of the outer wall of the rotary drum, which is close to the push plate.

The utility model discloses the following technical effects:

1. the utility model can support the guide rod and the sleeve in the external auditory canal, does not need to be held all the time by hands, only needs to control the direction and the angle by hands, improves the stability of the guide rod and the sleeve, and enables the vent pipe to be inserted into the tympanic membrane incision more easily and accurately.

2. According to the utility model, the vent pipe is not required to be plugged into the sleeve, but is sleeved on the guide rod, and the vent pipe is pushed into the tympanic membrane incision by the sleeve, so that the influence of the thickness of the sleeve on the incision is avoided, and the operation safety is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the front view of the present utility model;

fig. 3 is a schematic view of the wire mesh of the present utility model in an arched state.

Wherein:

1. a guide rod; 2. a sleeve; 3. a fixing ring; 4. a moving ring; 5. a steel wire mesh; 6. a rotating drum; 7. screwing the ring; 8. a camera; 9. a push plate; 10. pinching the plate; 11. anti-skid lines; 12. a thread cylinder; 13. and (5) a vent pipe.

Detailed Description

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

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1-3, a tympanic membrane vent pipe placement device comprises a guide rod 1, wherein a sleeve 2 is sleeved on the guide rod 1 in a sliding manner, and the length of the sleeve 2 is smaller than that of the guide rod 1; the sleeve 2 is provided with a supporting component;

the support component comprises a threaded cylinder 12 which is sleeved on the sleeve 2 in a sliding manner, a fixed ring 3 is fixedly connected to one end of the outer wall of the threaded cylinder 12, a movable ring 4 is further arranged on the outer wall of the threaded cylinder 12 in a sliding manner, the outer side peripheral wall of the fixed ring 3 is fixedly connected with the outer side peripheral wall of the movable ring 4 through a steel wire mesh 5, a distance adjusting component is mounted at one end, far away from the fixed ring 3, of the outer wall of the threaded cylinder 12, and the movable ring 4 is limited between the fixed ring 3 and the distance adjusting component.

The guide rod 1 can slide in the sleeve 2, the outer wall of the threaded cylinder 12 is provided with threads, the inner wall of the threaded cylinder 12 is in sliding connection with the sleeve 2, the sleeve 2 can slide in the threaded cylinder 12, the length of the threaded cylinder 12 is smaller than that of the sleeve 2, the fixed ring 3 is identical to the movable ring 4, the steel wire mesh 5 is formed to surround the outer side of the threaded cylinder 12, the distance between the movable ring 4 and the fixed ring 3 can be adjusted by the distance adjusting component, when the distance between the movable ring 4 and the fixed ring 3 is reduced, the steel wire mesh 5 can be extruded, the middle part of the steel wire mesh 5 can arch outwards, the diameter is increased, the sleeve 2 and the guide rod 1 can be tightly attached to the inner wall of an external auditory canal, the steel wire mesh 5 can restore the cylinder shape when the distance between the movable ring 4 and the fixed ring 3 is increased, and the whole device can be taken out from the external auditory canal.

Further optimizing scheme, the distance adjusting component includes rotary drum 6 with screw thread section of thick bamboo 12 threaded connection, and the fixed cover of outer wall of rotary drum 6 is equipped with twist ring 7.

The external diameter of the rotary drum 6 is the same as that of the movable ring 4, and the rotary drum 6 is driven to rotate on the threaded cylinder 12 by manually rotating the screwing ring 7, so that the rotary drum 6 moves along the axial direction of the threaded cylinder 12, the rotary drum 6 moves towards the movable ring 4 and then abuts against the movable ring 4, and continuously moves towards the fixed ring 3, and the movable ring 4 is driven to move together, so that the distance between the fixed ring 3 and the movable ring 4 is shortened, and the steel wire mesh 5 is extruded.

In a further optimized scheme, one end of the guide rod 1, which is close to the rotary drum 6, is fixedly connected with a kneading plate 10.

The pinching plate 10 is limited on the outer side of the external auditory canal, and the pinching plate 10 can facilitate the medical staff to control the length and the angle of the guide rod 1 extending into the external auditory canal.

In a further optimized scheme, a push plate 9 is fixedly connected to one end of the sleeve 2, which is close to the rotary drum 6.

The push plate 9 is limited on the outer side of the external auditory canal, and the push plate 9 can facilitate the medical staff to push the sleeve 2 to move along the axis of the guide rod 1 to the outer auditory canal.

Further optimizing scheme, the one end rigid coupling that sleeve 2 outer wall kept away from push pedal 9 has camera 8.

The camera 8 is one end in the external auditory canal is inserted towards guide arm 1 to the camera 8 can let medical personnel observe the condition in the external auditory canal, confirms the position of tympanic membrane incision, conveniently inserts guide arm 1 in the tympanic membrane incision, and camera 8 is medical needle tube endoscope, has used in medical field urological cystoscope inspection widely, can select the endoscope of model HFD.

Further optimizing scheme, the outer wall of the twisting ring 7 is provided with anti-skid patterns 11.

The anti-skid patterns 11 can increase friction and make it easier for the medical staff to rotate the drum 6.

Further optimizing scheme, the twisting ring 7 is fixedly sleeved at one end, close to the push plate 9, of the outer wall of the rotary drum 6, so that the twisting ring 7 can be close to the outer side, and the operation and the rotation of medical staff are facilitated.

In the use of the utility model, firstly, the guide rod 1 and the sleeve 2 are controlled, one end of the guide rod 1 far away from the pinch plate 10 extends out of the sleeve 2 for a certain distance, then the vent pipe 13 is sleeved on one section of the guide rod 1 extending out of the sleeve 2, then the vent pipe 13 is inserted into the external auditory canal, the guide rod continues to move to the depth of the external auditory canal until the steel wire mesh 5 just extends into the external auditory canal, one hand presses the threaded cylinder 12, the other hand rotates the screwing ring 7, the moving ring 4 is close to the fixed ring 3, the steel wire mesh 5 is arched and supported in the external auditory canal, then the position of the vent pipe 13 and the eardrum incision is observed through the camera 8, the pinch plate 10 is pinched by the hand to control the angle of the guide rod 1 and align the incision, then, the guide rod 1 is kept motionless, the push plate 9 is pushed, the sleeve 2 slides inwards, meanwhile, the end surface of the sleeve 2 slides along the guide rod 1, and the vent pipe 13 extends into the eardrum incision, the guide rod 1 is separated from the vent pipe 13, and if the guide rod 1 is not separated from the vent pipe 13, the guide rod 1 is still moved, and the guide rod 1 is pulled outwards until the vent pipe 1 is separated from the vent pipe 13; at this time, the vent pipe 13 is placed, and finally the screw ring 7 is reversely rotated to enable the steel wire mesh 5 not to form pressure on the inner wall of the external auditory canal any more, so that the device can be taken out.

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

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. A tympanic membrane vent tube placement apparatus, comprising: the guide rod (1), the guide rod (1) is sleeved with a sleeve (2) in a sliding manner, and the length of the sleeve (2) is smaller than that of the guide rod (1); a supporting component is arranged on the sleeve (2);

the support assembly comprises a threaded cylinder (12) which is sleeved on the sleeve (2) in a sliding mode, a fixed ring (3) is fixedly connected to one end of the outer wall of the threaded cylinder (12), a movable ring (4) is further arranged on the outer wall of the threaded cylinder (12) in a sliding mode, the outer side peripheral wall of the fixed ring (3) is fixedly connected with the outer side peripheral wall of the movable ring (4) through a steel wire mesh (5), a distance adjusting assembly is arranged at one end, far away from the fixed ring (3), of the outer wall of the threaded cylinder (12), and the movable ring (4) is limited between the fixed ring (3) and the distance adjusting assembly.

2. The tympanic membrane vent placement apparatus of claim 1, wherein: the distance adjusting assembly comprises a rotary drum (6) in threaded connection with the threaded drum (12), and a screwing ring (7) is fixedly sleeved on the outer wall of the rotary drum (6).

3. A tympanic membrane vent placement apparatus as defined in claim 2, wherein: one end of the guide rod (1) close to the rotary drum (6) is fixedly connected with a pinching plate (10).

4. A tympanic membrane vent placement apparatus as defined in claim 2, wherein: one end of the sleeve (2) close to the rotary drum (6) is fixedly connected with a push plate (9).

5. The tympanic membrane vent placement apparatus of claim 4, wherein: one end of the outer wall of the sleeve (2) far away from the push plate (9) is fixedly connected with a camera (8).

6. A tympanic membrane vent placement apparatus as defined in claim 2, wherein: anti-skid patterns (11) are formed on the outer wall of the twisting ring (7).

7. The tympanic membrane vent placement apparatus of claim 4, wherein: the twisting ring (7) is fixedly sleeved at one end, close to the push plate (9), of the outer wall of the rotary drum (6).