CN214762727U

CN214762727U - Tracheal cannula blocks up pipe fastener

Info

Publication number: CN214762727U
Application number: CN202023009452.6U
Authority: CN
Inventors: 田传艳
Original assignee: Central Hospital of Wuhan
Current assignee: Central Hospital of Wuhan
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-11-19
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a trachea cannula stifled pipe is detained belongs to medical instrument technical field, stifled pipe is detained and is installed on the trachea cannula, stifled pipe is detained and is established the inner tube outside the trachea cannula including the cover, and the dustcoat outside the trachea cannula including the cover is established, affiliated inner tube and trachea cannula sealing connection, the top of dustcoat is equipped with the top cap, is equipped with the closure plate that rotates the connection in the below of top cap. The utility model discloses can adjust tracheal cannula's area of ventilating to it is fixed through the cylindric lock, according to the position of slot, the area of ventilating of regulation tracheal cannula that can be accurate, and be equipped with the detachable filter screen in the inside that stifled pipe was detained, can increase air humidity, and convenient the change.

Description

Tracheal cannula blocks up pipe fastener

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to tracheal cannula stifled pipe is detained.

Background

At present, the tracheal cannula used clinically has various blocked tubes, such as rubber, cork, cotton swab, adhesive plaster and the like, but the disinfection treatment is not tight, so that the infection is easily caused, and particularly, the tracheal cannula has the possibility of not tight tube blockage or the risk of asphyxia caused by inhaling the tracheal cannula along with respiration.

In the patent numbers: CN201821043236.3 discloses a tube plugging device suitable for tracheal cannula, which is a cap for plugging trachea, the cap is composed of a fixed part and a movable part, the movable part is detachable, although the device can plug trachea, the plugging area of the device can not be adjusted.

In the patent numbers: CN201621031397.1 patent document discloses a tracheal cannula with a plugging device, the plugging device in the patent document is a cone, the plugging area is changed by the up-and-down movement of the cone, the cone moves up and down through an adjusting column, and the plugging device of the patent is longer and is not beneficial to the operation of medical workers. And although the plugging is divided into five grades, the flow area is inaccurate because the cone is not connected with the tracheal cannula.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a technical scheme that trachea cannula blocking pipe was detained, the device can adjust the shutoff area in a flexible way, and the device compact structure can not cause inconvenience to medical staff's operation.

The tracheal cannula blocking device comprises a tracheal cannula and a tracheal cannula blocking buckle, wherein the tracheal cannula blocking buckle is arranged on the tracheal cannula and comprises an inner tube sleeved outside the tracheal cannula and an outer cover sleeved outside the inner tube, the inner tube is hermetically connected with the tracheal cannula, a top cover is arranged at the top of the outer cover, and a blocking plate in rotary connection is arranged below the top cover.

Further, closure plate and dustcoat inboard be equipped with the recess, in the recess was gone into to the outer card of closure plate along the card, top cap and closure plate are semi-circular, and the centre of a circle position of top cap is equipped with the through-hole, the centre of a circle position of closure plate be equipped with closure plate fixed connection's pivot, the through-hole is passed in the pivot to upwards the protrusion, the closure plate can be relative top cap relatively rotate, the upper end of pivot is equipped with the pivot cap, pivot cap and pivot threaded connection.

Furthermore, a plurality of slots are formed in the circumference of the side face of the blocking plate, a plurality of insertion holes are formed in the corresponding positions of the outer cover, and the cylindrical pins penetrate through the insertion holes and are inserted into the slots, so that the blocking plate is fixed with the outer cover.

Furthermore, one end of the cylindrical pin is provided with threads and is in threaded connection with the jack of the outer cover, and the end part and the slot of the cylindrical pin are in a conical shape.

Furthermore, the slots are uniformly distributed on the circumferential surface of the side surface of the blocking plate, the included angle between each slot and the circle center connecting line is 60 degrees, and the included angle between the corresponding jack and the circle center connecting line is also 60 degrees.

Furthermore, dustcoat and inner tube between be equipped with the detachable filter screen, the inboard of dustcoat is equipped with the step, the dustcoat compresses tightly the filter screen through the step.

The utility model discloses can adjust tracheal cannula's area of ventilating to it is fixed through the cylindric lock, according to the position of slot, the area of ventilating of regulation tracheal cannula that can be accurate, and be equipped with the detachable filter screen in the inside that stifled pipe was detained, can increase air humidity, and convenient the change.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is an exploded view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a sectional view taken along line A-A;

FIG. 4 is a schematic view of a structure of a blocking plate;

wherein: 1-a rotating shaft cap; 2-a rotating shaft; 3-a top cover; 4, filtering the filter screen; 5-a groove; 6-through holes; 7-outer cover; 8-inner tube; 9-tracheal tube; 10-a sealing ring; 11-step; 12-cylindrical pins; 13-a slot; 14-a closure plate; 15-jack.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

As shown in fig. 1 to 4, a pipe blocking buckle installed on a tracheal cannula comprises an inner pipe 8 sleeved outside the tracheal cannula 9, the inner pipe 8 is hermetically connected with the tracheal cannula 9 through a seal ring 10, an outer cover 7 is sleeved outside the inner pipe 8, an integrally formed semicircular top cover 3 is arranged at the top of the outer cover 7, a semicircular blocking plate 14 is arranged below the semicircular top cover 3, a groove 5 is arranged on the inner side of the outer cover 7, the outer edge of the blocking plate 14 is clamped into the groove 5, a through hole 6 is arranged at the circle center position of the semicircular top cover 3, a rotating shaft 2 fixedly connected with the blocking plate 14 is arranged at the circle center position of the blocking plate 14, the rotating shaft 2 passes through the through hole 6 and protrudes upwards, the blocking plate 14 can rotate relative to the top cover 3, a rotating shaft cap 1 is arranged at the upper end of the rotating shaft 2, the rotating shaft cap 1 is in threaded connection with the rotating shaft 2, the rotating shaft cap 1 moves downwards to compress the blocking plate 14 and the top cover 3, when the blocking plate 14 needs to be rotated, the rotating shaft cap 1 is taken down, the rotating shaft 2 is rotated, and after the blocking plate 14 is rotated to a proper position, the rotating shaft cap 1 is screwed up and pressed for fixing.

The plug board 14 is provided with a plurality of slots 3 on the circumference of the side surface, a plurality of jacks 15 are arranged at corresponding positions of the outer cover 7, the cylindrical pin 12 penetrates through the jacks 15 to be inserted into the slots 3, and one end of the cylindrical pin 12 is provided with threads and is in threaded connection with the jacks 15 of the outer cover 7. In order to facilitate the insertion of the cylindrical pin 12 into the socket 3 through the insertion hole 15, the end of the cylindrical pin 12 and the socket 13 are both conical. The slots 3 are uniformly distributed on the circumferential surface of the side surface of the blocking plate, and the connecting line of the slots 3 and the circle center is 60 degrees.

Be equipped with detachable filter screen 4 between dustcoat 7 and the inner tube 8 for purify, the humidifying air, filter screen 4 installs on the inner tube top, the inboard of dustcoat 7 is equipped with step 11, and the dustcoat compresses tightly filter screen 4 through step 11, and filter screen 4 uses after a period, can dismantle the change, and is more sanitary. The filter screen 4 is a reticular ceramic fiber membrane or a reticular polypropylene fiber membrane.

When the utility model is used, when the blocking plate is not used, the blocking plate is positioned below the top cover and fixed by the cylindrical pin, and the ventilation area of the air pipe is 1/2 of the whole area; when the ventilation area needs to be adjusted, such as 1/3, the blocking plate is rotated by rotating the rotating shaft, and when the blocking plate is rotated to the position B, the blocking plate is fixed by the cylindrical pin; when the adjustment is required to 1/6, the blocking plate is rotated by rotating the rotating shaft to the position C and is fixed by the cylindrical pin.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The tracheal cannula blocking device comprises a tracheal cannula blocking buckle and a tracheal cannula blocking device, and is characterized in that the tracheal cannula blocking buckle comprises an inner tube sleeved outside the tracheal cannula and an outer cover sleeved outside the inner tube, the inner tube is hermetically connected with the tracheal cannula, a top cover is arranged at the top of the outer cover, and a blocking plate in rotary connection is arranged below the top cover.

2. The tracheal cannula stifled pipe of claim 1 is buckled, its characterized in that the closure plate with the dustcoat inboard be equipped with the recess, the outer edge card of closure plate goes into in the recess, top cap and closure plate are semi-circular, the centre of a circle position of top cap is equipped with the through-hole, the centre of a circle position of closure plate is equipped with the pivot with closure plate fixed connection, the pivot passes the through-hole, and upwards protrusion, the closure plate can rotate relatively to the top cap, the upper end of pivot is equipped with the pivot cap, pivot cap and pivot threaded connection.

3. The tracheal cannula stopper of claim 1 wherein the circumferential side of the stopper plate has a plurality of slots, the outer cover has a plurality of holes, and the cylindrical pin is inserted into the slots through the holes to fix the stopper plate to the outer cover.

4. The tracheal cannula stopper button as in claim 3, wherein the cylindrical pin has threads at one end for threaded connection with the socket of the housing, and the end of the cylindrical pin and the socket are both conical.

5. The tracheal cannula closure clip of claim 3, wherein the slots are evenly distributed on the circumferential surface of the side surface of the closure plate, the angle between the slot and the line connecting the centers of the circles is 60 degrees, and the angle between the corresponding jack and the line connecting the centers of the circles is 60 degrees.

6. The tracheal cannula stopper according to claim 1 wherein a removable filter screen is disposed between the outer cover and the inner tube, a step is disposed on the inner side of the outer cover, and the outer cover compresses the filter screen via the step.