CN211513058U

CN211513058U - Negative pressure drainage tube

Info

Publication number: CN211513058U
Application number: CN201922106057.0U
Authority: CN
Inventors: 唐雅琳; 余泽秋
Original assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Current assignee: Sixth Affiliated Hospital of Sun Yat Sen University
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-18
Anticipated expiration: 2029-11-29

Abstract

The utility model provides a negative pressure drainage tube, including the pipe body, pipe body one end is equipped with access connection device, is equipped with the blast pipe on the access connection device, and the blast pipe tip is equipped with the gas vent, and sealed stifled and the exhaust blockage are connected respectively to gas vent department, and sealed stifled being used for sealed gas vent is equipped with adjusting device on the exhaust blockage for adjust exhaust velocity, and the activity is equipped with on the pipe body and prevents a device, and the pipe body other end is equipped with exit linkage device, and the pipe body is close to exit linkage device end and is equipped with filter equipment. The utility model discloses an add the air discharge plug in air vent department, establish adjusting device in the air discharge plug, adjust the air discharge of air discharge plug through adjusting device, can specifically select the exhaust time according to actual conditions to increase the negative pressure state of negative pressure drainage bottle, make the drainage more thorough, the drainage is effectual. Through the arrangement, the side exhaust pipe of the flusher or the infusion apparatus does not need to be additionally cut, the drainage cost is saved, the plugging of two specifications can be suitable for various conditions, and the application range is wide.

Description

Negative pressure drainage tube

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a negative pressure drainage tube.

Background

The negative pressure drainage technology, namely negative pressure wound treatment technology, is a new technology developed in recent years for treating wounds, utilizes a biological semipermeable membrane to seal open wounds, uses a special negative pressure machine to generate certain negative pressure, and acts on the debrided wounds through a drainage tube and a dressing. The current research proves that the therapy can accelerate the blood circulation of the wound surface part, remarkably promote the new blood vessels to enter the wound surface, stimulate the growth of granulation tissues, fully drain, relieve edema, reduce pollution, inhibit the growth of bacteria, directly accelerate the healing of the wound surface, or create conditions for operation repair, and is a pure physical therapy which has high efficiency, simplicity, economy and promotion of the healing of the wound surface.

The negative pressure drainage suit used at present usually adopts an intermediary between a negative pressure drainage tube and a wound surface, the wound surface is sealed by a biological semipermeable membrane, and a closed drainage system is formed by the wound surface and a drainage bottle under the action of a negative pressure suction machine.

The two ends of the existing negative pressure drainage tube are respectively connected with the drainage tube in the body of a patient and the drainage tube on the negative pressure drainage bottle through a connecting device, so that the closed drainage system is realized. Most of the existing negative pressure drainage tubes are provided with an air outlet at the connection end with the drainage tube in the body of a patient, and a plug is arranged outside the air outlet. During the use, need pinch the back of negative pressure drainage bottle top drainage tube, the extrusion drainage bottle, treat behind the bottle negative pressure, loosen the drainage tube of drainage bottle top, open the shutoff, realize the drainage, the drainage is repeated above-mentioned operation, realizes the drainage repeatedly. In this operation process, the resilience speed of negative pressure drainage bottle is fast, and the drainage time is short, and the drainage time can not be adjusted, leads to the drainage not thorough, and need operate repeatedly, wastes time and energy. In order to prevent liquid from flowing back, the drainage tube is easily damaged by manually folding the drainage tube.

In the process of draining liquid in a patient body to a drainage bottle, the drainage tube at the joint of the drainage bottle and the patient is easy to bend, and the drainage effect is influenced. And liquid flows into drainage bottle in-process, often can carry viscous liquid such as hematocele, pus, leads to the drainage not smooth, and long-term accumulation can block up the drainage tube even, unable drainage, needs timely change this moment, has caused the wasting of resources, is unfavorable for the environmental protection.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a negative pressure drainage tube, especially simple structure, convenient operation, exhaust speed is adjustable, and the drainage is effectual, has filter equipment, avoids the drainage tube to block up, can effectively prevent drainage liquid backward flow, avoids a negative pressure drainage tube of drainage tube bending damage.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a negative pressure drainage tube, includes the pipe body, pipe body one end is equipped with access connection device for connect the internal drainage tube of patient, the last blast pipe that is equipped with of access connection device, the blast pipe tip is equipped with the gas vent, gas vent department connects sealed stifled and exhaust block respectively, sealed stifled is used for sealing the gas vent, be equipped with adjusting device on the exhaust block, be used for adjusting exhaust velocity, the activity is equipped with prevents a device on the pipe body for prevent that the pipe body from buckling, the pipe body other end is equipped with exit linkage for connect the drainage tube on the negative pressure drainage bottle, the pipe body is close to exit linkage end is equipped with filter equipment, is used for filtering liquid, prevents that the pipe body from blockking up.

Furthermore, the exhaust pipe is sleeved with a sliding sleeve, one side of the sliding sleeve is connected with the sealing plug through a first connecting sheet, the other side of the sliding sleeve is connected with the exhaust plug through a second connecting sheet, the first connecting sheet and the second connecting sheet are both made of flexible materials, the exhaust port is hermetically combined with the sealing plug through bending the first connecting sheet, and the exhaust port is combined with the exhaust plug through bending the second connecting sheet.

Furthermore, the adjusting device comprises a separation blade, a rotating handle is arranged at the center of the separation blade, a plurality of separation blade through holes are formed in the separation blade, a rotating handle through hole is formed in the center of the exhaust plug, a plurality of exhaust through holes are formed in the exhaust plug, the separation blade is arranged in the exhaust plug, the rotating handle penetrates through the rotating handle through holes, and the cross area between the separation blade through holes and the exhaust through holes is adjusted by rotating the rotating handle.

Furthermore, an external thread is arranged on the outer cylindrical surface of the exhaust port, internal threads are arranged on the sealing plug and the inner cylindrical surface of the exhaust plug, and the external thread is matched with the internal threads.

Furthermore, the anti-folding device comprises a fixing piece and a connecting buckle, wherein the bottom surface of the fixing piece is used for being fixed with a human body, and the connecting buckle is arranged on the top surface of the fixing piece and used for fixing the pipe body.

Further, the fixing piece is a suction cup or an adhesive tape.

Furthermore, the anti-folding devices are distributed on the pipe body uniformly.

Furthermore, the filtering device comprises a filtering bag, a filtering net is arranged in the filtering bag, and a flow switch is arranged between the filtering bag and the outlet connecting device.

Furthermore, an opening and closing device is arranged on the filter bag, and the filter screen is movably arranged in the filter bag.

Furthermore, the filter screen is of multiple specifications, and the aperture of multiple filter screens is different.

The utility model has the advantages and positive effects that:

1. the utility model discloses simple structure, convenient operation establishes adjusting device in the exhaust blockage through addding the exhaust blockage in exhaust port department, when normal use, adjusts the air displacement of exhaust blockage through adjusting device, can specifically select the exhaust time according to actual conditions to increase the negative pressure state of negative pressure drainage bottle, make the drainage more thorough, the drainage is effectual. Through the arrangement, the side exhaust pipe of the flusher or the infusion apparatus does not need to be additionally cut, the drainage cost is saved, the plugging of two specifications can be applicable to various conditions, the application range is wide, and the practicability is high.

2. The utility model discloses set up multiunit anti-roll over device on the pipe body, through stationary blade and human contact, stationary blade top surface activity sets up the connector link, and connector link suit pipe body surface can be according to actual conditions, arbitrary shift position, fixes to the position of easily buckling, can keep the drainage unobstructed, has improved the drainage effect.

3. The utility model discloses being equipped with the filter bag in the exit linkage end, being equipped with the device that opens and shuts on the filter bag, the filter bag internalization is equipped with the filter screen, and the filter screen can be according to actual drainage position, changes the filter screen in different apertures, and the range of application is wide, through the device that opens and shuts, can put into fast or take out the filter screen, and the filter effect is good, prevents that drainage in-process drainage tube from blockking up, influences the drainage effect and causes the liquid reflux even, influences the patient and recovers.

Drawings

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

Fig. 2 is a schematic view of a connection structure of the exhaust port, the sealing plug and the exhaust plug according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an adjusting device according to an embodiment of the present invention.

Fig. 4 is a schematic view of a baffle structure according to an embodiment of the present invention.

Fig. 5 is a schematic view of a sealing plug structure according to an embodiment of the present invention.

Fig. 6 and 7 are schematic views of the sealing and venting state of the embodiment of the present invention.

Fig. 8 is a schematic structural view of an anti-folding device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a filtering apparatus according to an embodiment of the present invention.

In the figure:

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiments of the present invention will be further described with reference to the accompanying drawings:

as shown in figure 1, a negative pressure drainage tube comprises a tube body 3, wherein one end of the tube body 3 is provided with an inlet connecting device 1 for connecting the drainage tube in the body of a patient. The inlet connecting device 1 is provided with an exhaust pipe 2, the end part of the exhaust pipe 2 is provided with an exhaust port 11, the exhaust port 11 is respectively connected with a sealing plug 9 and an exhaust plug 13, the sealing plug 9 is used for sealing the exhaust port 11, and the exhaust plug 13 is provided with an adjusting device for adjusting the exhaust speed. The pipe body 3 is movably provided with an anti-folding device 4 for preventing the pipe body 3 from bending. The other end of the tube body 3 is provided with an outlet connecting device 7 for connecting a drainage tube on a negative pressure drainage bottle. The end of the pipe body 3 close to the outlet connecting device 7 is provided with a filtering device 6 for filtering liquid and preventing the pipe body 3 from being blocked.

This embodiment is through set up the air discharge plug 13 in 11 departments of gas vent, establishes adjusting device in the air discharge plug 13, when normal use, adjusts the displacement of air discharge plug 13 through adjusting device, can specifically select the exhaust time according to actual conditions to increase the negative pressure state of negative pressure drainage bottle, make the drainage more thorough, the drainage is effectual. Through the arrangement, the side exhaust pipe of the flusher or the infusion apparatus does not need to be additionally cut, the drainage cost is saved, the plugging of two specifications can be applicable to various conditions, the application range is wide, and the practicability is high.

Specifically, as shown in fig. 2, the exhaust pipe 2 of the present embodiment is sleeved with a sliding sleeve 12, and one side of the sliding sleeve 12 is connected to the sealing plug 9 through a first connecting piece 10. The other side of the sliding sleeve 12 is connected with an exhaust plug 13 through a second connecting sheet 5. The first connecting sheet 10 and the second connecting sheet 5 are both made of flexible materials and can be bent at will. The sealing plug 9 is arranged at the exhaust port 11 by bending the first connecting sheet 10, so that the exhaust port 11 and the sealing plug 9 are combined in a sealing mode. The exhaust plug 13 is arranged at the exhaust port 11 by bending the second connecting sheet 5, so that the exhaust port 11 is combined with the exhaust plug 13.

The adjusting device is a device for adjusting the exhaust speed, and the adjusting device can be realized in various ways, and specifically, the adjusting device provided in this embodiment is shown in fig. 3. The adjusting device comprises a baffle 25, as shown in fig. 4, a rotating handle 22 is arranged at the center of the baffle 25, and a plurality of baffle through holes 24 are arranged on the baffle 25. As shown in fig. 5, a rotary handle through hole 23 is arranged at the central part of the exhaust plug 13, a plurality of exhaust through holes 21 are arranged on the exhaust plug 13, a baffle plate 25 is arranged in the exhaust plug 13, the rotary handle 22 penetrates through the rotary handle through hole 23, and the intersection area of the baffle through hole 24 and the exhaust through hole 21 is adjusted by rotating the rotary handle 22, so that the exhaust speed is adjusted. As shown in fig. 6, the flap through-hole 24 completely coincides with the vent through-hole 21, and exhaust speed is the fastest, and as shown in fig. 7, the flap through-hole 24 partially coincides with the vent through-hole 21, and exhaust speed is slow.

The exhaust plug 13 and the sealing plug 9 can be combined with the exhaust port 11 in various ways to realize plugging and fixing. Specifically, the outer cylindrical surface of the exhaust port 11 of this embodiment is provided with an external thread, the inner cylindrical surfaces of the sealing plug 9 and the exhaust plug 13 are both provided with an internal thread, and the external thread is matched with the internal thread. When the exhaust port 11 is required to be closed, the internal thread of the sealing plug 9 is matched with the external thread of the exhaust port 11, so that the sealing plug 9 is fixed. When the exhaust port 11 needs to exhaust slowly, the internal thread of the exhaust plug 13 is matched with the external thread of the exhaust port 11, so that the exhaust plug 13 is fixed. When the exhaust port 11 needs to exhaust quickly, the sealing plug 9 or the exhaust plug 13 is removed.

This embodiment sets up multiunit anti-roll over device 4 on pipe body 3, can be according to actual conditions, arbitrary shift position is fixed to the portion of easily buckling, can keep the drainage unobstructed, has improved the drainage effect. Specifically, as shown in fig. 8, the anti-folding device 4 of the present embodiment includes a fixing plate 14 and a connecting buckle 15, the bottom surface of the fixing plate 14 is used for fixing with a human body, the fixing plate 14 may be of various structures, the fixing plate 14 in the present embodiment is a suction cup or an adhesive tape, and preferably, the suction cup or the adhesive tape is provided with a vent, so as to facilitate the skin breathing of a patient. The connection buckle 15 is disposed on the top surface of the fixing piece 14 to fix the pipe body 3. Preferably, the connecting buckle 15 is annular, an opening 16 is formed in the connecting buckle 15, the connecting buckle 15 is made of elastic plastic materials, and the pipe body 3 is conveniently sleeved into the connecting buckle 15 through the opening 16. Preferably, the anti-folding devices 4 are multiple groups, are uniformly distributed on the pipe body 3 and are arranged at the positions easy to bend, so that the drainage efficiency is improved.

As shown in fig. 9, the filtering device 6 of the present embodiment includes a filtering bag 17, a filtering net 18 is disposed in the filtering bag 17, and a flow switch 20 is disposed between the filtering bag 17 and the outlet connecting device 7. The filter bag 17 is provided with an opening and closing device 19, and the filter screen 18 is movably arranged in the filter bag 17. Preferably, the filter screen 18 has a plurality of sizes, and the apertures of the filter screens 18 are different. The filter screen 18 can be according to actual drainage position, changes the filter screen 18 in different apertures, and the range of application is wide, through opening and shutting the device 19, can put into fast or take out the filter screen 18, and the filter effect is good, and cooperation scavenge pipe 8 prevents that drainage in-process drainage tube from blockking up, influences the drainage effect and causes the liquid backward flow even, influences the patient and recovers.

The utility model discloses a theory of operation is:

according to the specific drainage position of the patient, a proper filter screen 18 is selected, the opening and closing device 19 is opened, the filter screen 18 is placed in the filter bag 17, and the opening and closing device 19 is closed. The sealing plug 9 is fixed with the exhaust port 11, the inlet connecting device 1 is connected with a drainage tube in a patient body, and the outlet connecting device 7 is connected with a drainage tube or a negative pressure device on a negative pressure drainage bottle. The distance between the plurality of anti-folding devices 4 is adjusted to contact with the human body through the fixing piece 14.

The flow switch 20 is closed, the exhaust plug 13 is fixed with the exhaust port 11, the negative pressure drainage bottle is extruded, the gas in the bottle body is discharged, the inside of the bottle body is kept in a negative pressure state, the flow switch 20 is opened, the negative pressure state of the bottle body is slowly recovered, and the liquid in the cavity of the patient is slowly discharged.

The utility model has the advantages and positive effects that:

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a negative pressure drainage tube, includes the pipe body, its characterized in that: the utility model discloses a drainage tube, including pipe body, sealed stifled, exhaust pipe, pipe body end, pipe body and exhaust pipe, pipe body one end is equipped with access connection device for connect the internal drainage tube of patient, the last blast pipe that is equipped with of access connection device, the exhaust pipe tip is equipped with the gas vent, sealed stifled and the exhaust of being connected respectively of gas vent department, sealed stifled is used for sealing the gas vent, be equipped with adjusting device on the exhaust stifled, be used for adjusting exhaust velocity, the activity is equipped with prevents a device on the pipe body for prevent that the pipe body is buckled, the pipe body other end is equipped with exit linkage for connect the drainage tube on the negative pressure drainage bottle, the pipe body is close to.

2. The negative pressure drain according to claim 1, wherein: the exhaust pipe is sleeved with a sliding sleeve, one side of the sliding sleeve is connected with the sealing plug through a first connecting sheet, the other side of the sliding sleeve is connected with the exhaust plug through a second connecting sheet, the first connecting sheet and the second connecting sheet are made of flexible materials, the first connecting sheet is bent to realize sealing combination of the exhaust port and the sealing plug, and the second connecting sheet is bent to realize sealing combination of the exhaust port and the exhaust plug.

3. A negative pressure drainage tube according to claim 1 or 2, wherein: the adjusting device comprises a separation blade, a rotary handle is arranged at the center of the separation blade, a plurality of separation blade through holes are formed in the separation blade, a rotary handle through hole is formed in the center of the exhaust plug, a plurality of exhaust through holes are formed in the exhaust plug, the separation blade is arranged in the exhaust plug, the rotary handle penetrates through the rotary handle through holes, and the cross area between the separation blade through holes and the exhaust through holes is adjusted through rotating the rotary handle.

4. A negative pressure drainage tube according to claim 1 or 2, wherein: and the outer cylindrical surface of the exhaust port is provided with an external thread, the inner cylindrical surfaces of the sealing plug and the exhaust plug are both provided with internal threads, and the external thread is matched with the internal threads.

5. A negative pressure drainage tube according to claim 1 or 2, wherein: the anti-folding device comprises a fixing piece and a connecting buckle, wherein the bottom surface of the fixing piece is used for being fixed with a human body, and the connecting buckle is arranged on the top surface of the fixing piece and used for fixing the pipe body.

6. The negative pressure drainage tube of claim 5, wherein: the fixing piece is a sucker or an adhesive tape.

7. The negative pressure drainage tube of claim 5, wherein: the anti-folding devices are in multiple groups and are uniformly distributed on the pipe body.

8. A negative pressure drain according to claim 1 or 2 or 6 or 7 wherein: the filtering device comprises a filtering bag, a filtering net is arranged in the filtering bag, and a flow switch is arranged between the filtering bag and the outlet connecting device.

9. The negative pressure drainage tube of claim 8, wherein: the filter bag is provided with an opening and closing device, and the filter screen is movably arranged in the filter bag.

10. The negative pressure drain of claim 9, wherein: the filter screen is multiple specification, and multiple the aperture of filter screen is diverse.