CN112156338A

CN112156338A - Drainage tube

Info

Publication number: CN112156338A
Application number: CN202011179834.5A
Authority: CN
Inventors: 华露; 池余刚; 刘丹丹
Original assignee: CHONGQING HEALTH CENTER FOR WOMEN AND CHILDREN
Current assignee: CHONGQING HEALTH CENTER FOR WOMEN AND CHILDREN
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-01
Anticipated expiration: 2040-10-29
Also published as: CN112156338B

Abstract

The invention discloses a drainage tube. The suction device comprises an inner tube, an outer tube, a side tube and a suction assembly, wherein two ends of the inner tube are open, one end of the inner tube is an insertion end, and the other end of the inner tube is an exposed end; the outer pipe is sleeved on the inner pipe, two ends of the outer pipe are connected with the outer wall of the inner pipe, and an accommodating cavity is formed between the outer pipe and the inner pipe; the side pipe is arranged on the side wall of the outer pipe and communicated with the accommodating cavity; the suction assembly comprises a mounting plate, suction tubes and a driving assembly, the mounting plate is slidably positioned in the inner tube, a plurality of leak holes are formed in the mounting plate, the suction tubes are elastic and are provided with a plurality of suction tubes, each suction tube penetrates through the through hole from the outside of the insertion end and can slide in the inner tube, and the driving assembly is arranged on the mounting plate and can drive the mounting plate to slide in the inner tube. This drainage tube can carry out the drainage at the human many places hydrops to alleviate patient's misery and reduce medical staff's work load.

Description

Drainage tube

Technical Field

The invention relates to a drainage tube.

Background

The drainage tube is a medical appliance for clinical surgery drainage, which guides pus, blood and liquid accumulated in human tissues or body cavities to the outside of the body, prevents postoperative infection and promotes wound healing. The clinical surgical drainage tubes have various types, some are used for catheterization, and some are used for wounds, thoracic cavities, brain cavities, gastrointestinal tracts, biliary tracts and the like. Surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or body cavities to the outside of a body so as to prevent postoperative infection and influence on wound healing.

Most thorax in the present clinic, abdominal cavity's drainage tube is for mostly being the single tube type, drainage is being carried out, stretch into human internal hydrops department with the suction tube, to its drainage, however, because the thorax, the abdominal cavity is not smooth inner chamber, all hydrops in the thorax can not be natural converge one department, if adopt the single tube type drainage tube, can not be with the disposable drainage of all hydrops in the thorax, medical staff has to be ceaselessly and carries out drainage once more through the mode that changes the suction tube position, it is medical staff to cause trouble and misery for the patient to be inevitable like this.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the drainage tube which can drain a plurality of hydrops in a human body, thereby relieving the pain of a patient and reducing the workload of medical workers.

In order to achieve the purpose, the invention is realized by the following technical scheme: a drainage tube, comprising:

the drainage tube comprises an inner tube, a drainage tube and a drainage tube, wherein two ends of the inner tube are open, one end of the inner tube is an insertion end, the other end of the inner tube is an exposed end, the insertion end is provided with a plurality of through holes communicated with an inner cavity of the insertion end at intervals along the circumferential direction of the insertion end, and a first drainage hole is formed between each through hole and the exposed end;

the outer pipe is sleeved on the inner pipe, two ends of the outer pipe are connected with the outer wall of the inner pipe, an accommodating cavity is formed between the outer pipe and the inner pipe, and the insertion end of the inner pipe extends out of the outer pipe;

the side pipe is arranged on the side wall of the outer pipe and communicated with the accommodating cavity; and

attract the subassembly, including the mounting panel, attract pipe and drive assembly, mounting panel slidable is located in the inner tube, just the mounting panel can seal the inner tube, and be located first drainage hole with between the through-hole, a plurality of small openings have been seted up on the mounting panel, it has elasticity to attract the pipe, it has a plurality ofly, every attract the pipe follow insert outside the end, slidable pass behind the through-hole, connect on the mounting panel, and with the small opening intercommunication, drive assembly sets up on the mounting panel, can drive the mounting panel is in slide along its inner wall in the inner tube.

Further, drive assembly includes push pedal and push rod, the push pedal slidable is located in the inner tube, just the push pedal can seal the inner tube, and be located first drainage hole is close to expose end one side, the push rod is connected between push pedal and the mounting panel.

Furthermore, the end part of the suction tube, which is far away from the mounting plate, is provided with a first limiting step, and the first limiting step can be abutted against the outer wall of the through hole.

Furthermore, a second limiting step is arranged on the inner wall of the inner tube and is positioned between the through hole and the push plate and close to the through hole.

Furthermore, the suction tube comprises a resistance reducing wheel, the resistance reducing wheel can be arranged on the inner tube in a rolling mode and is positioned at the through hole, and the outer circle of the resistance reducing wheel can abut against the suction tube.

Furthermore, a limiting groove is formed in the resistance reducing wheel, and the suction tube can be slidably clamped in the limiting groove.

Furthermore, the pressure gauge also comprises a tee joint, wherein one port of the tee joint is spliced with the exposed end, and the other port of the tee joint is communicated with the pressure gauge.

Further, the suction assembly further comprises a central pipe, the central pipe is arranged on the mounting plate, is positioned in the center of the plurality of drainage pipes and is communicated with the leakage hole.

The invention has the beneficial effects that:

the drainage tube comprises an inner tube, an outer tube, a side tube and a suction assembly. The suction tube of the suction assembly can be contracted in the inner tube when not used, so that the drainage tube is convenient to place into a body in the using process, during use, the driving assembly drives the suction tube to form a scattering state at the insertion end, a plurality of drainage points can be formed, the position of the drainage tube can be prevented from being changed to conduct drainage at a plurality of places, and further, the pain of medical workers caused troubles and patients is reduced. When the drainage position needs to be changed, only the driving component needs to be driven, so that the extending length of the suction tube is changed, the drainage position can be changed, and the purpose of conveniently and randomly adjusting the extending length of the suction tube is achieved. Meanwhile, the pressure intensity can be changed through changing, the length and the position of the drainage tube are changed, and then the blockage on the suction tube can be shaken off, so that a certain anti-blocking effect is achieved. After the drainage is completed, the driving component is driven to retreat, and the suction tube retracts into the inner tube, so that the whole drainage tube is conveniently taken out.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic view of a drain provided in accordance with an embodiment of the present invention;

FIG. 2 is a schematic view of the suction tube of FIG. 1 in a deployed state;

FIG. 3 is a partial view at A of FIG. 2;

FIG. 4 is a schematic side view of the resistance reducing wheel of FIG. 1;

reference numerals:

100-inner tube, 110-insertion end, 120-exposed end, 130-through hole, 140-first drainage hole, 150-second limiting step, 200-outer tube, 300-containing cavity, 400-side tube, 500-suction assembly, 510-mounting plate, 520-suction tube, 521-first limiting step, 530-driving assembly, 531-push plate, 532-push rod, 540-central tube, 600-resistance reducing wheel, 610-limiting groove, 700-tee joint and 710-pressure gauge.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 4, the present invention provides a drainage tube, which comprises an inner tube 100, an outer tube 200, a side tube 400 and a suction assembly 500, for draining hydrops in the body.

Referring to fig. 1 and 2, in particular, both ends of the inner tube 100 are open. The inner tube 100 has an insertion end 110 at one end and an exposed end 120 at the other end. The insertion end 110 is used for inserting into the body, and the exposed end 120 is exposed outside the body. The insertion end 110 is formed with a plurality of through holes 130 at intervals along a circumferential direction thereof to communicate with an inner cavity thereof. A first drainage hole 140 is formed between the through hole 130 and the exposed end 120. The outer tube 200 is sleeved on the inner tube 100, two ends of the outer tube 200 are connected with the outer wall of the inner tube 100, an accommodating cavity 300 is formed between the outer tube 200 and the inner tube 100, and the insertion end 110 of the inner tube 100 extends out of the outer tube 200. In practice, the inner tube 100 and the outer tube 200 may be selected to be flexible tubes or rigid tubes, as the case may be.

The outer tube 200 is fitted over the inner tube 100. The outer tube 200 has both ends connected to the outer wall of the inner tube 100, a receiving chamber 300 is formed between the outer tube 200 and the inner tube 100, and the insertion end 110 of the inner tube 100 protrudes out of the outer tube 200. The side tube 400 is disposed on the sidewall 400 of the outer tube 200, and the side tube 400 communicates with the accommodating chamber 300. The side tube 400 is used to finally draw the drawn liquid out of the accommodating chamber 300.

Suction assembly 500 includes a mounting plate 510, a suction tube 520, and a drive assembly 530. Mounting plate 510 is slidably positioned within inner tube 100, and mounting plate 510 can seal inner tube 100 and be positioned between first drainage aperture 140 and through-hole 130. The mounting plate 510 is provided with a plurality of weep holes. The suction tube 520 has elasticity. The plurality of suction tubes 520 are provided, each suction tube 520 is slidably connected to the mounting plate 510 after passing through the through hole 130 from the insertion end 110 and communicating with the leak hole, and the driving assembly 530 is provided on the mounting plate 510 and can drive the mounting plate 510 to slide along the inner wall of the inner tube 100.

In a preferred embodiment, the suction assembly 500 further comprises a center tube 540, the center tube 540 is disposed on the mounting plate 510 and is centered on the plurality of suction tubes 520 and is in communication with the weep holes. The central tube 540 can absorb the liquid right under the present draft tube, thereby improving the suction efficiency.

When the suction tube is used, whether the suction tubes 520 are in the state of being accommodated in the inner tube 100 is firstly confirmed, then the side tubes 400 are connected with external drainage equipment, then the driving assembly 530 is started, the driving assembly 530 pushes the mounting plate 510 to advance towards the insertion end 110, all the suction tubes 520 are driven to extend outwards along the through holes 130 to be in a scattered state, and the accumulated liquid around flows into the accommodating cavity 300 through the suction tubes 520 and the central tube 540 and then through the through holes 130 and is finally drained out. When the drainage is completed, the driving assembly 530 drives the mounting plate 510 to retreat and drives the drainage tube to retract into the inner tube 100, so that the whole drainage tube can be taken out, thereby achieving the purpose of convenient insertion and taking out.

In this embodiment, the driving assembly 530 includes a push plate 531 and a push rod 532. The push plate 531 is slidably disposed in the inner tube 100, and the push plate 531 seals the inner tube 100 and is disposed at a side of the first drainage hole 140 adjacent to the exposed end 120. Push rod 532 is coupled between push plate 531 and mounting plate 510. When the suction tube is used, gas (or liquid) is injected or sucked into the inner tube 100 through the exposed end 120 to change the pressure in the inner tube 100, so that the push plate 531 is pushed to move, the push plate 531 drives the mounting plate 510 to move through the push rod 532, and the suction tube 520 is driven to extend out of or retract into the inner tube 100, so that the suction requirements of multiple positions are met. Meanwhile, the length and the position of the suction tube 520 can be changed by changing the pressure, so that the blockage on the suction tube 520 can be shaken off, and a certain anti-blocking effect can be achieved.

In the embodiment, a tee 700 is included, one port of the tee 700 is plugged into the exposed end 120, another port is communicated with the pressure gauge 710, and the other port is connected with an external inflation device. The pressure gauge 710 is used to measure the pressure inside the accommodating chamber 300. Of course, when the liquid is injected into the accommodating chamber 300, the pressure gauge 710 may also be used to measure the pressure of the liquid, so as to prevent the pressure from being too high.

In a preferred embodiment, a first limit step 521 is disposed at an end of the suction tube 520 away from the mounting plate 510, and the first limit step 521 can abut against an outer wall of the through hole 130. The first limiting step 521 can prevent the whole suction tube 520 from falling into the inner tube 100, so that the whole drainage tube cannot be normally used. As a further embodiment, a second limit step 150 is provided on the inner wall of the inner tube 100, and the second limit step 150 is located between the through hole 130 and the push plate 531 and close to the through hole 130. The second limit step 150 prevents the push plate 531 from being located below the through hole 130 to connect the inner cavity of the inner tube 100 with the accommodating cavity 300, so that the mounting plate 510 cannot be drained or driven to move normally.

Referring to fig. 3 and 4, in the present embodiment, the drainage tube further includes a drag reducing wheel 600. The resistance reducing wheel 600 can be arranged on the inner tube 100 in a rolling manner and is positioned at the through hole 130, and the outer circle of the resistance reducing wheel 600 can be abutted against the outer wall of the suction tube 520. When the outer wall of the suction tube 520 and the resistance-reducing wheel 600 are in rolling friction in the movement process of the suction tube 520, the friction force of the suction tube 520 in the movement process can be reduced, so that the movement of the suction tube is facilitated. In addition, the drag reduction wheel 600 is provided with a limiting groove 610, and the suction pipe 520 can be slidably clamped in the limiting groove 610. The limiting groove 610 plays a guiding role for the suction tube 520, and prevents the suction tube 520 from swinging left and right in the movement process.

The specific use mode of the drainage tube is as follows:

when the suction tube is used, whether the suction tubes 520 are stored in the inner tube 100 is firstly confirmed, then the side tubes 400 are connected with external drainage equipment, then one port of the tee joint 700 is filled with gas into the inner tube 100, the gas pushes the push plate 531 and the mounting plate 510 to advance towards the drainage end, all the suction tubes 520 are driven to extend outwards along the through holes 130 to be in a scattered state, when the required position is reached, pressure is maintained, the accumulated liquid around enters the suction tubes 520 and the central tube 540, then the accumulated liquid enters the containing cavity 300 through the through holes 130, and finally the accumulated liquid is drained out. After the drainage is completed, the air in the inner tube 100 is sucked to make the inner tube 100 in a negative pressure state, the mounting plate 510 retreats, and the suction tube 520 is driven to retract into the inner tube 100, so that the whole suction tube 520 can be taken out. In the drainage process, the length and the position of the suction tube 520 can be changed by changing the pressure, so that the blockage on the suction tube 520 can be shaken off, and a certain anti-blocking effect can be achieved.

The drainage tube includes an inner tube 100, an outer tube 200, a side tube 400, and a suction assembly 500. When the suction tube 520 of the suction assembly 500 is not used, the suction tube is contracted in the inner tube 100, so that the drainage tube can be conveniently placed in a body in the using process, when the drainage tube is used, the suction tube 520 can be driven to form a dispersed state at the insertion end 110 by introducing gas into the inner tube 100, and a plurality of drainage points can be formed. When the drainage position needs to be changed, the drainage position can be changed by only changing the pressure in the inner tube 100 so as to change the extending length of the suction tube 520, thereby achieving the purpose of conveniently and randomly adjusting the extending length of the suction tube. Meanwhile, the length and the position of the suction tube 520 can be changed by changing the pressure, so that the blockage on the suction tube 520 can be shaken off, and a certain anti-blocking effect can be achieved. After the drainage is completed, the air in the inner tube 100 is sucked, and the suction tube 520 retracts into the inner tube 100, so that the whole drainage tube is conveniently taken out.

The center tube 540 may improve the suction efficiency; the pressure gauge 710 is used for testing the pressure of the liquid and preventing the pressure from being too large; the first limiting step 521 can prevent the whole suction tube 520 from falling into the inner tube 100, so that the whole drainage tube cannot be normally used. The second limiting step 150 prevents the push plate 531 from being positioned below the through hole 130, so that the inner cavity of the inner tube 100 and the accommodating cavity 300 are in a communicated state, and the mounting plate 510 cannot be drained normally or driven to move; the resistance reducing wheel 600 may reduce friction of the suction tube 520.

This drainage tube can carry out the drainage at the human many places hydrops to alleviate patient's misery and reduce medical staff's work load.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. A drain tube, comprising:

2. The drain tube of claim 1, wherein the drive assembly includes a push plate slidably positioned within the inner tube and capable of sealing the inner tube and positioned on the side of the first drainage aperture adjacent the exposed end, and a push rod connected between the push plate and the mounting plate.

3. The drainage tube of claim 1, wherein the end of the suction tube far away from the mounting plate is provided with a first limit step which can be abutted against the outer wall of the through hole.

4. The draft tube according to claim 2, wherein a second limit step is provided on an inner wall of the inner tube, and the second limit step is located between the through hole and the push plate and adjacent to the through hole.

5. The drainage tube of claim 1, further comprising a resistance reducing wheel, wherein the resistance reducing wheel is arranged on the inner tube in a rolling manner and is positioned at the through hole, and an outer circle of the resistance reducing wheel can abut against the suction tube.

6. The drainage tube of claim 5, wherein the resistance reducing wheel is provided with a limiting groove, and the suction tube is slidably clamped in the limiting groove.

7. The draft tube of claim 1, further comprising a tee, one port of said tee being plugged into said exposed end and the other port being in communication with a pressure gauge.

8. The draft tube of claim 1, wherein said suction assembly further comprises a center tube disposed in said mounting plate and centered in said plurality of draft tubes and communicating with said drain holes.