CN221673136U - Drainage tube and drainage equipment - Google Patents

Abstract

The application relates to the field of medical equipment, and particularly provides a drainage tube and drainage equipment, which comprises a main tube, wherein the main tube is provided with a drainage section for being inserted into a thoracic cavity, a plurality of side holes are formed in the drainage section at intervals, and the main tube is provided with an internal end part and an external end part; the air bags are positioned in the main pipe; the air charging pipe extends into the main pipe and is communicated with the plurality of air bags and used for charging the plurality of air bags; the diameter of the main pipe is smaller than the maximum diameter of the inflated air bags, and when the air bags are in an inflated state, the main pipe is used for blocking the side holes in a one-to-one correspondence mode. The sealing of a plurality of side holes corresponding to the air bags in one-to-one mode through a plurality of inflatable states achieves the effect that when the drainage tube is pulled out of the chest of a patient, positive pressure air in the environment is prevented from entering the negative pressure chest through the side holes which come out of the side holes, and the risk of pneumothorax caused when the drainage tube is pulled out of the chest of the patient is greatly reduced.

Description

Drainage tube and drainage equipment

Technical Field

The application relates to the field of medical equipment, in particular to a drainage tube and drainage equipment.

Background

After thoracic surgery, a drainage tube is required to be placed in the chest cavity for drainage of pleural effusion and pneumatosis, to alleviate patient discomfort and prevent further infection.

In order to ensure smooth drainage, the side wall of the drainage tube is often provided with a plurality of side holes; thus, although drainage of the drainage tube is smooth, the side holes are communicated, when the first side hole is communicated with ambient air during the removal, positive pressure air in the environment can enter the negative pressure chest through the side hole, and pneumothorax is caused; at present, in order to avoid the occurrence of the phenomenon, when the drainage tube is pulled out, a patient is often required to inhale and hold breath, and simultaneously the drainage tube is pulled out at the fastest speed so as to reduce the amount of gas entering the thoracic cavity; however, the rapid removal of the drainage tube can lead to scraping and rubbing of chest wall tissues to cause bleeding, and patients often cannot be well matched with inspiration to hold breath; therefore, the structure of the existing drainage tube leads to pneumothorax risks in the process of pulling out the drainage tube.

Accordingly, the prior art has drawbacks and disadvantages, and needs to be further improved and developed.

Disclosure of utility model

In view of the defects of the prior art, the application aims to provide a drainage tube and drainage equipment, and aims to solve the problem that pneumothorax is easy to cause in the process of pulling out the drainage tube due to the structure of the drainage tube in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a drainage tube for thoracic drainage, comprising:

the main tube is provided with a drainage section for being inserted into the thoracic cavity, a plurality of side holes are formed in the drainage section at intervals, and the main tube is provided with an inner end part and an outer end part;

the air bags are positioned in the main pipe;

The inflation tube extends into the main tube and is communicated with the plurality of air bags and is used for inflating the plurality of air bags;

The diameter of the main pipe is smaller than the maximum diameter of the inflated air bags, and when a plurality of air bags are in an inflated state, the main pipe is used for blocking a plurality of side holes in one-to-one correspondence.

Alternatively, the process may be carried out in a single-stage,

The air bags are connected in series on the inflation tube;

The arrangement areas of the plurality of air bags are areas among the plurality of side holes and areas among the side holes and the inner end part of the body.

Optionally, the drainage tube further comprises a first side tube arranged at the external end part, and the first side tube is communicated with the main tube; the inflation tube extends from the first side tube into the main tube and seals the first side tube.

Optionally, the drainage tube further comprises a first annular bladder disposed within the main tube, and the first annular bladder is located between the drainage segment and the extracorporeal end; the diameter of the main pipe is smaller than that of the first annular sac when the first annular sac is in an inflated state, and the first annular sac is used for preventing the main pipe from being displaced in a direction of separating from the chest.

Optionally, the drainage tube further comprises a second annular sac, the second annular sac is arranged between the first annular sac and the external end part, the diameter of the main tube is smaller than that of the second annular sac when the second annular sac is in an inflated state, and the second annular sac is used for preventing the main tube from displacing along the direction of entering the chest.

Optionally, the drainage tube further comprises a circular bag air tube, and the second circular bag and the first circular bag are connected in series on the circular bag air tube.

Optionally, the drainage tube further comprises a second side tube at the external end, and the second side tube is in communication with the main tube; the annular sac trachea extends into the main tube from the second side tube and seals the second side tube.

Optionally, the first annular bag and the second annular bag are both provided with an inflating part and a drainage hole, and the inflating pipe passes through the drainage hole.

Optionally, a safety limit line is arranged at the position of the main pipe corresponding to the second annular bag.

The application solves the technical problem by adopting another technical scheme as follows: a drainage device comprising a drainage tube as described above;

The drainage bag is communicated with the external end part and is used for accommodating the accumulated air and the accumulated liquid which flow out of the chest cavity through drainage;

the pressure limiting valve is arranged between the external end part and the drainage bag and used for balancing the pressure difference between the chest cavity and the drainage bag.

The beneficial effects are that:

The application provides a drainage tube and drainage equipment, wherein the drainage tube is provided with a main tube, a plurality of air bags and an air inflation tube, the main tube is provided with a plurality of side holes, the air inflation tube is used for inflating the plurality of air bags, the side holes are plugged in a one-to-one correspondence manner through the air bags in an inflated state, the isolation of the side holes from the side holes is realized, when the drainage tube is pulled out of a chest cavity of a patient, the side holes are not communicated with each other, positive pressure air in the environment is prevented from entering the negative pressure chest cavity through the side holes which come out first, the problem of pneumothorax is avoided, and the risk of pneumothorax is greatly reduced when the drainage tube is pulled out of the chest cavity of the patient.

Drawings

FIG. 1 is a schematic perspective view of a drainage tube provided in the present application;

FIG. 2 is a schematic cross-sectional view of a drain tube provided in the present application;

FIG. 3 is a schematic view of still another perspective structure of the drainage tube provided in the present application;

FIG. 4 is a further schematic cross-sectional view of a drain tube provided in the present application;

FIG. 5 is a schematic view of still another perspective structure of the drainage tube provided in the present application;

FIG. 6 is a further schematic cross-sectional view of a drain tube provided in the present application;

FIG. 7 is a further schematic cross-sectional view of a drain tube provided in the present application;

Reference numerals illustrate:

10. A drainage tube; 11. a main pipe; 12. an air bag; 13. an inflation tube; 14. a first side tube; 15. a first annular bladder; 16. a second annular bladder; 17. a circular balloon trachea; 18. a second side tube; 19. a safety limit line; 111. a drainage section; 112. a side hole; 113. an inner end portion; 114. an outer end portion; 151. an inflation part; 152. and a drainage hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clear and clear, the present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 2, a drainage tube 10 is proposed in a first embodiment of the present application, the drainage tube 10 includes a main tube 11, a plurality of air bags 12 and an inflation tube 13; the main pipe 11 is provided with a drainage section 111 for being inserted into the chest cavity, the drainage section 111 is provided with a plurality of side holes 112 at intervals, and the accumulated air and the accumulated liquid in the chest cavity enter the main pipe 11 through the side holes 112; the side holes 112 not only can improve drainage efficiency, but also can prevent the phenomenon that part of the side holes 112 cannot drain after being blocked by tissues; the main pipe 11 is provided with an internal end 113 and an external end 114, the drainage section 111 is arranged at the internal end 113, the internal end 113 and the drainage section 111 are used for being inserted into the chest, and the external end 114 is used for being arranged outside the body, so that other structures of drainage equipment can be conveniently connected; the air bags 12 are all positioned in the main pipe 11, the air inflation pipe 13 stretches into the main pipe 11, the air bags 12 are all communicated with the air inflation pipe 13, and the air inflation pipe 13 is used for inflating or deflating the air bags 12; when the drainage tube 10 is required to be pulled out to clear the tissue blocking the side hole 112, the air inflation tube 13 firstly inflates the air bag 12, then the drainage tube 10 is pulled out, the drainage tube is reinserted into the thoracic cavity of the patient after the cleaning is finished, and the air bag 12 is deflated through the air inflation tube 13; wherein, the diameter of the main pipe 11 is smaller than the maximum diameter of the inflated air bags 12, when a plurality of air bags 12 are in an inflated state, a plurality of air bags 12 form interference fit with the main pipe 11, and then a plurality of air bags 12 can plug a plurality of side holes 112 in one-to-one correspondence; specifically, when the drainage tube 10 inserted into the chest of a patient needs to be pulled out, a plurality of air bags 12 are inflated through the inflation tube 13, the air bags 12 are inflated, and after the inflation is completed, the valve is closed, and at the moment, the air bags 12 are in an inflated state; the air bags 12 in the inflated state will be several the side holes 112 are plugged in a one-to-one correspondence; it can be appreciated that when the drainage tube 10 is in a use state, the air bags 12 in the main tube 11 are shrunken, normal drainage of the drainage tube 10 is not affected, when the drainage tube 10 needs to be pulled out, the air bags 12 in an inflated state can plug the side holes 112 one by one, the side holes 112 are not communicated with the side holes 112, at the moment, the drainage tube 10 is pulled out, the side holes 112 which come out first are not communicated with the adjacent side holes 112 although being communicated with the ambient air, positive pressure air in the environment cannot enter the negative pressure chest through the side holes 112, and therefore pneumothorax is caused, and the risk of pneumothorax is caused when the drainage tube 10 is pulled out from the chest of a patient is greatly reduced.

With continued reference to fig. 1 to 2, in some embodiments, the plurality of air bags 12 are connected in series to the air inflation tube 13, the air inflation tube 13 extends into the main tube 11, the air bags 12 do not squeeze the air inflation tube 13 after being inflated, and compared with the parallel arrangement, the series arrangement can prevent the air bags 12 from squeezing the air inflation tube 13 after being inflated, so that the phenomenon that other air bags 12 cannot be inflated normally occurs; the arrangement regions of the plurality of the balloons 12 are regions between the plurality of the side holes 112, and regions between the side holes 112 and the in-body end 113; specifically, the air bag 12 is arranged between the side holes 112 and 112, when the air bag 12 is in an inflated state, the main pipe 11 pipeline between the adjacent side holes 112 can be plugged, at the moment, the drainage tube 10 is pulled out, the first side hole 112 is communicated with ambient air, but is not communicated with the adjacent side hole 112, so that positive pressure air in the environment cannot enter through the side hole 112, enter the main pipe 11 pipeline, and then enter the negative pressure chest cavity from other side holes 112; the area between the side hole 112 and the inner end 113 is also provided with a balloon 12, and the same is used for preventing the positive pressure air in the environment of the side hole 112 communicating with the ambient air from entering through the side hole 112, entering the main pipe 11 pipeline, and then entering the negative pressure chest cavity from the inner end 113; preferably, the body end 113 is provided as a sealed end, and the region between the side hole 112 and the body end 113 does not need to be provided with the balloon 12.

Referring to fig. 3 to 4, in some embodiments, the drainage tube 10 further includes a first side tube 14 disposed at the external end 114, the first side tube 14 is in communication with the main tube 11, the inflation tube 13 extends from the first side tube 14 into the main tube 11, and one end of the inflation tube 13 is reserved outside the chest cavity through the first side tube 14; the diameter of the opening of the first side tube 14 is smaller than the diameter of the gas tube 13, and the gas tube 13 can seal the first side tube 14 at the opening of the first side tube 14 to prevent air from entering the main tube 11 from the opening of the first side tube 14.

Referring to fig. 5-7, in some embodiments, the drainage tube 10 further comprises a first cuff 15 disposed within the main tube 11, the first cuff 15 being located between the drainage segment 111 and the extracorporeal end 114, the first cuff 15 being disposed proximate to the drainage segment 111; the diameter of the main pipe 11 is smaller than that of the first annular bag 15 in an inflated state, and the first annular bag 15 and the main pipe 11 form interference fit, so that the main pipe 11 is prevented from being displaced in a direction of separating from the chest; in clinical treatment, after the drainage tube 10 is inserted into the chest cavity of a patient, the drainage tube 10 is often required to be adhered to the skin of the patient by a medical adhesive tape to prevent the drainage tube 10 from being displaced along the direction of separating from the chest cavity, but the medical adhesive tape can loosen or fall off along with the time and the factors such as sweating of the patient; specifically, the first annular bag 15 is arranged between the drainage section 111 and the external end 114, after the drainage section 111 is doped into the chest of a patient, the first annular bag 15 is inflated, the first annular bag 15 in an inflated state and the main tube 11 form interference fit, the drainage tube 10 is limited, and the main tube 11 is prevented from being displaced along the direction of being separated from the chest.

With continued reference to fig. 5-7, in some embodiments, the drainage tube 10 further includes a second cuff 16, the second cuff 16 being disposed between the first cuff 15 and the outer end 114, the diameter of the main tube 11 being smaller than the diameter of the second cuff 16 when inflated, the second cuff 16 forming an interference fit with the main tube 11 to inhibit displacement of the main tube 11 in a direction into the chest cavity; in clinical treatment, after the drainage tube 10 is inserted into the chest cavity of a patient, the drainage tube 10 is often required to be adhered to the skin of the patient by adopting a medical adhesive tape to prevent the drainage tube 10 from being displaced along the direction of entering the chest cavity to scratch the viscera of the patient, but the medical adhesive tape can loosen or fall off along with the time and the factors such as sweating of the patient; specifically, the first annular bag 15 is arranged between the drainage section 111 and the external end 114, after the drainage section 111 is doped into the chest of a patient, the second annular bag 16 is inflated, the first annular bag 15 in an inflated state and the main tube 11 form interference fit, the drainage tube 10 is limited, and the main tube 11 is prevented from displacing along the direction of entering the chest.

With continued reference to fig. 5 to 7, in some embodiments, the drainage tube 10 further includes a cuff air tube 17, the cuff air tube 17 is used for inflating the second cuff 16 and the first cuff 15, the cuff air tube 17 extends into the main tube 11, the second cuff 16 and the first cuff 15 are connected in series to the cuff air tube 17, the inflation tube 13 is not extruded by the second cuff 16 after inflation, and compared with the parallel connection, the serial connection can prevent the inflation tube 13 from being extruded after inflation of the second cuff 16, so that the first cuff 15 cannot be inflated normally.

With continued reference to fig. 5-7, in some embodiments, the drain tube 10 further includes a second side tube 18 at the outer end 114, and the second side tube 18 is in communication with the main tube 11; the annular sac trachea 17 extends into the main tube 11 from the second side tube 18, and one end of the annular sac trachea 17 is reserved outside the chest through the second side tube 18; the diameter of the mouth of the second side pipe 18 is smaller than that of the annular air pipe 17, and the annular air pipe 17 can seal the second side pipe 18 at the mouth of the second side pipe 18 to prevent air from entering the main pipe 11 from the mouth of the second side pipe 18.

With continued reference to fig. 5 to 7, in some embodiments, the first annular bladder 15 and the second annular bladder 16 are provided with an inflating portion 151 and a drainage hole 152, the inflating portion 151 and the drainage hole 152 form a circular ring structure, the inflating portion 151 is an outer ring, and the drainage hole 152 is an inner ring; the inflation part 151 is in interference fit with the main pipe 11, and the inflation pipe 13 passes through the drainage hole 152, so that the inflation pipe 13 is not extruded when the first annular bag 15 and the second annular bag 16 are in an inflated state, and the inflation of the air bag 12 is not affected; the main pipe 11 is provided with a safety limit line 19 corresponding to the second annular sac 16, the safety limit line 19 is used for prompting medical staff, the drainage section 111, the first annular sac 15 and the second annular sac 16 enter the chest of the patient, and the redundant main pipe 11 can not be inserted into the chest of the patient any more.

Specifically, the safety limit wire 19 can alert the healthcare worker that the drainage segment 111 and the first and second cuffs 15 and 16 have been inserted into the chest of the patient when the drainage tube 10 is inserted into the patient; when the drainage tube 10 is inserted into place, the first annular bag 15 and the second annular bag 16 are inflated through the annular bag air pipe 17, and the first annular bag 15 and the second annular bag 16 in the inflated state limit the main pipe 11 to prevent the main pipe 11 from displacing; when the drainage tube 10 needs to be pulled out, the air bag 12 is inflated through the inflation tube 13, the adjacent side hole 112 is blocked, the side hole 112 and the inner end 113 are blocked, then the first annular bag 15 and the second annular bag 16 are deflated through the annular bag air tube 17, and the drainage tube 10 is pulled out of the chest of the patient.

In a second embodiment of the present application a drainage device is presented comprising a drainage tube 10 as described above, as well as a drainage bag and a pressure limiting valve; the drainage bag is communicated with the external end 114 and is used for accommodating the accumulated air and the accumulated liquid which flow out of the chest cavity, and the pressure limiting valve is arranged between the external end 114 and the drainage bag and is used for balancing the pressure difference between the chest cavity and the drainage bag; it can be seen that when the drainage device is used, displacement is not easy to occur, the pressure difference between the chest cavity and the drainage bag can be balanced, no extra air enters the chest cavity, and when the device is pulled out, the risk of pneumothorax is obviously reduced.

In summary, the application provides a drainage tube and drainage equipment, the drainage tube comprises a main tube, the main tube is provided with a drainage section for being inserted into a thoracic cavity, the drainage section is provided with a plurality of side holes at intervals, and the main tube is provided with an in-vivo end part and an in-vitro end part; the air bags are positioned in the main pipe; the inflation tube extends into the main tube and is communicated with the plurality of air bags and is used for inflating the plurality of air bags; the diameter of the main pipe is smaller than the maximum diameter of the inflated air bags, and when a plurality of air bags are in an inflated state, the main pipe is used for blocking a plurality of side holes in one-to-one correspondence. The application provides a drainage tube and drainage equipment, wherein the drainage tube is provided with a main tube, a plurality of air bags and an air charging tube, the main tube is provided with a plurality of side holes, the air charging tube is used for charging the air bags, the side holes are plugged in a one-to-one correspondence manner through the air bags in an inflated state, the isolation of the side holes from the side holes is realized, when the drainage tube is pulled out of a chest cavity of a patient, the side holes are not communicated with the side holes, positive pressure air in the environment is prevented from entering the negative pressure chest cavity through the side holes which come out first, the problem of pneumothorax is avoided, and the risk of pneumothorax is greatly reduced when the drainage tube is pulled out of the chest cavity of the patient.

It is to be understood that the application is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.

Claims (10)

1. A drainage tube for thoracic drainage, comprising:

the main tube is provided with a drainage section for being inserted into the thoracic cavity, a plurality of side holes are formed in the drainage section at intervals, and the main tube is provided with an inner end part and an outer end part;

the air bags are positioned in the main pipe;

The inflation tube extends into the main tube and is communicated with the plurality of air bags and is used for inflating the plurality of air bags;

The diameter of the main pipe is smaller than the maximum diameter of the inflated air bags, and when a plurality of air bags are in an inflated state, the main pipe is used for blocking a plurality of side holes in one-to-one correspondence.

2. The drainage tube of claim 1 wherein,

The air bags are connected in series on the inflation tube;

The arrangement areas of the plurality of air bags are areas among the plurality of side holes and areas among the side holes and the inner end part of the body.

3. The drain tube of claim 1, further comprising a first side tube disposed at the extracorporeal end, and the first side tube is in communication with a main tube; the inflation tube extends from the first side tube into the main tube and seals the first side tube.

4. The drainage tube of claim 1 further comprising a first cuff disposed within the main tube, the first cuff being located between the drainage segment and the extracorporeal end; the diameter of the main pipe is smaller than that of the first annular sac when the first annular sac is in an inflated state, and the first annular sac is used for preventing the main pipe from being displaced in a direction of separating from the chest.

5. The drain tube of claim 4, further comprising a second cuff disposed between the first cuff and the outer end, the main tube having a diameter smaller than a diameter of the second cuff when in an inflated state, the second cuff for preventing displacement of the main tube in a direction into the chest cavity.

6. The drain tube of claim 5, further comprising an annular cuff trachea, the second annular cuff and the first annular cuff being connected in series on the annular cuff trachea.

7. The drain tube of claim 6, further comprising a second side tube at the extracorporeal end, and the second side tube is in communication with a main tube; the annular sac trachea extends into the main tube from the second side tube and seals the second side tube.

8. The drainage tube of claim 7 wherein the first and second cuffs are each provided with an inflation portion and a drainage aperture, the inflation tube passing through the drainage aperture.

9. The drainage tube of any one of claims 1 to 8, wherein a safety limit line is provided at a position of the main tube corresponding to the second annular sac.

10. A drainage device, comprising: the drain tube according to any one of claims 1-9;

The drainage bag is communicated with the external end part and is used for accommodating the accumulated air and the accumulated liquid which flow out of the chest cavity through drainage;

the pressure limiting valve is arranged between the external end part and the drainage bag and used for balancing the pressure difference between the chest cavity and the drainage bag.