CN216536459U

CN216536459U - Catheter with controllable pumping time

Info

Publication number: CN216536459U
Application number: CN202122882941.0U
Authority: CN
Inventors: 李曼; 邢小康; 郭丰
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-17
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a duct with controllable suction time, which comprises a duct body and a suction mechanism, wherein the suction mechanism consists of a suction pipe, a timing valve, a communicating pipe and a connecting pipe, the suction pipe is fixedly inserted and connected to the outer wall of the duct body, the timing valve is arranged between the suction pipe and the connecting pipe, the communicating pipe is inserted and arranged in the timing valve, the suction pipe is sleeved at the end part of the communicating pipe, and the connecting pipe is sleeved at the other end part of the communicating pipe. According to the utility model, the timing valve and the communicating pipe are arranged, and the closing time and the opening time of the valve in the communicating pipe are adjusted through the timing valve, so that the communicating pipe can be prevented from flowing in the closing time, the suction pipe is not sucked, and the suction pipe generates suction in the opening time, thereby avoiding the suction to the airway of a patient all the time, and improving the use safety of the catheter.

Description

Catheter with controllable pumping time

Technical Field

The utility model relates to the field of medical treatment, in particular to a catheter with controllable suction time.

Background

The use of a tracheostomy tube or tracheal cannula with suction on a balloon is an important measure for preventing ventilator-associated pneumonia in critically ill patients using ventilators, and the connection of the tracheostomy tube or tracheal cannula with the ventilator-associated pneumonia is connected with a hospital negative pressure system, so that the suction provided by the hospital negative pressure system is continuous, most patients are not tolerant to the continuous suction, and the phenomenon of airway mucosa bleeding of the patients can be seriously caused.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a catheter with controllable aspiration time to solve the above problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a suction time controllable catheter comprising:

the outer wall of the pipe body is provided with an inflating mechanism;

suction mechanism, suction mechanism comprises suction tube, timing valve, communicating pipe and connecting pipe, the fixed interlude of suction tube is connected in the outer wall of body, the timing valve sets up between suction tube and connecting pipe, the interlude sets up in the inside of timing valve communicating pipe, the tip of communicating pipe is located to the suction tube cover, another tip of communicating pipe is located to the connecting pipe cover.

Preferably, a plurality of suction holes are opened in the outer wall of the tube body, and the plurality of suction holes are arranged in an annular array and are respectively arranged at the end position of the suction tube.

Preferably, one end of the connecting pipe is sleeved with the plug, the outer wall of the connecting pipe is movably sleeved with the connecting ring, the outer wall of the connecting ring is fixedly connected with the connecting rope, and one end of the connecting rope is fixedly connected with the connecting sleeve.

Preferably, the inner wall of the pipe body is movably inserted and connected with a joint, and the bottom end of the pipe body is provided with an inclined opening guide head.

Preferably, the inflation mechanism comprises a balloon, an inflation tube and an inflation bag, the balloon is fixedly sleeved on the outer wall of the tube body, the outer wall of the inflation tube is fixedly connected with the outer wall of the tube body, one end of the inflation tube is movably and alternately connected with the outer wall of the balloon, and the inflation bag is arranged at the other end of the inflation tube.

The utility model has the technical effects and advantages that:

(1) according to the utility model, by utilizing the arrangement of the timing valve and the communicating pipe, the closing time and the opening time of the valve in the communicating pipe are adjusted through the timing valve, so that the communicating pipe can not circulate in the closing time, the suction pipe does not suck, and the suction pipe generates suction in the opening time, thereby avoiding sucking the airway of a patient all the time, and improving the use safety of the catheter;

(2) according to the utility model, by means of the arrangement of the inflatable bag, the inflatable tube and the balloon, after the tube body is inserted into the airway of a patient, the inflatable bag inflates, so that the balloon is expanded to abut against the inner wall of the airway, the catheter is positioned in the airway, and the use stability of the catheter is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.

Fig. 3 is a partial sectional structural view of the tube body according to the present invention.

In the figure: 1. a pipe body; 2. a suction tube; 3. a timing valve; 4. a communicating pipe; 5. a connecting pipe; 9. a suction hole; 10. a plug; 11. connecting sleeves; 12. a connecting ring; 13. connecting ropes; 14. a joint; 15. a bevel guide head; 16. a balloon; 17. an inflation tube; 18. an air-filled bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a catheter with controllable suction time, which is shown in figures 1-3 and comprises a catheter body 1, wherein the outer wall of the catheter body 1 is provided with an inflating mechanism;

the suction mechanism, the suction mechanism is by the suction tube 2, the timing valve 3, the communicating tube 4 and connecting pipe 5 make up, the fixed interlude of suction tube 2 connects to the outer wall of the body 1, the timing valve 3 is set up between suction tube 2 and connecting pipe 5, the communicating pipe 4 interlude sets up in the inside of the timing valve 3, the end of the communicating pipe 4 is located to the suction tube 2 cover, another end of the communicating pipe 4 is located to the connecting pipe 5 cover, can adjust the valve in the communicating pipe 4 through the timing valve 3, including closing time and opening time of the valve, can make in the closing time of the valve not suck in the suction tube 2, produce and suck in the suction tube 2 when the valve is opened, has prevented the patient's air flue from being sucked all the time, has improved the security of using;

the outer wall of the tube body 1 is provided with a plurality of suction holes 9, the suction holes 9 are arranged in an annular array, the suction holes 9 are respectively arranged at the end positions of the suction tube 2, and the suction force generated by the suction tube 2 acts on the positions of the suction holes 9, so that the suction is generated in the air passage;

one end of the connecting pipe 5 is sleeved with a plug 10, the connecting pipe 5 is connected with the negative pressure system through the plug 10, the outer wall of the connecting pipe 5 is movably sleeved with a connecting ring 12, the outer wall of the connecting ring 12 is fixedly connected with a connecting rope 13, one end of the connecting rope 13 is fixedly connected with a connecting sleeve 11, the connecting sleeve 11 can be sleeved on the outer wall of the plug 10 when the plug 10 is not inserted into the negative pressure system, the suction pipe 2 is protected, and the connecting ring 12 and the connecting rope 13 are arranged, so that the connecting sleeve 11 cannot be lost;

the inner wall of the tube body 1 is movably inserted and connected with a joint 14, the bottom end of the tube body 1 is provided with an oblique opening guide head 15, and the tube body 1 can be conveniently inserted into an airway of a patient through the oblique opening guide head 15;

the inflation mechanism is by sacculus 16, gas tube 17 and gas cell 18 constitute, sacculus 16 is fixed to be cup jointed in the outer wall of body 1, the outer wall of gas tube 17 and the outer wall fixed connection of body 1, the one end of gas tube 17 and the outer wall activity interlude of sacculus 16 are connected, gas cell 18 sets up in the other end of gas tube 17, inflate through gas cell 18, make sacculus 16 swell, can insert patient's air flue at body 1 after, swell the inner wall that supports the air flue through sacculus 16, thereby fix a position body 1 in the air flue, make body 1 can stably use.

The working principle of the utility model is as follows:

when the catheter is used, one end of the beveled guide head 15 of the catheter body 1 is inserted into an airway of a patient, the balloon 16 is inflated by pressing the inflatable bag 18, the balloon 16 is expanded to abut against the inner wall of the airway to be positioned, the plug 10 is connected with the negative pressure system, the closing time and the opening time of the timing valve 3 are adjusted, when the timing valve 3 is in the closing time, the communicating pipe 4 is in a non-communicated state, the suction of the negative pressure system can not be transmitted into the suction pipe 2, the airway of the patient can not be sucked, when the timing valve 3 is in the opening state, the valve in the communicating pipe 4 is opened, the communicating pipe 4 is in a communicated state, the suction in the negative pressure system can be transmitted into the suction pipe 2 through the communicating pipe 4 to suck the airway of the patient, and the interval suction can be completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A suction time controllable catheter, comprising:

the device comprises a pipe body (1), wherein an inflating mechanism is arranged on the outer wall of the pipe body (1);

suction mechanism, suction mechanism comprises suction tube (2), timing valve (3), communicating pipe (4) and connecting pipe (5), the outer wall in body (1) is connected in fixed interlude of suction tube (2), timing valve (3) set up between suction tube (2) and connecting pipe (5), interlude of communicating pipe (4) sets up in the inside of timing valve (3), the tip of communicating pipe (4) is located to suction tube (2) cover, another tip of communicating pipe (4) is located to connecting pipe (5) cover.

2. A catheter with controllable suction time as claimed in claim 1, characterized in that said outer wall of said tubular body (1) is provided with a plurality of suction holes (9), said plurality of suction holes (9) are arranged in an annular array, said plurality of suction holes (9) are respectively arranged at the end positions of the suction tube (2).

3. A catheter with controllable suction time according to claim 1, wherein one end of the connection tube (5) is sleeved with a plug (10), the outer wall of the connection tube (5) is movably sleeved with a connection ring (12), the outer wall of the connection ring (12) is fixedly connected with a connection rope (13), and one end of the connection rope (13) is fixedly connected with a connection sleeve (11).

4. A catheter with controllable suction time according to claim 1, characterized in that the inner wall of the tube body (1) is movably inserted with a joint (14), and the bottom end of the tube body (1) is provided with a bevel guide head (15).

5. The catheter with the controllable suction time as claimed in claim 1, wherein the inflation mechanism is composed of a balloon (16), an inflation tube (17) and an inflation bag (18), the balloon (16) is fixedly sleeved on the outer wall of the catheter body (1), the outer wall of the inflation tube (17) is fixedly connected with the outer wall of the catheter body (1), one end of the inflation tube (17) is movably inserted and connected with the outer wall of the balloon (16), and the inflation bag (18) is arranged at the other end of the inflation tube (17).