CN107929825A - Drainage tube and drainage system - Google Patents

Drainage tube and drainage system Download PDF

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Publication number
CN107929825A
CN107929825A CN201711266671.2A CN201711266671A CN107929825A CN 107929825 A CN107929825 A CN 107929825A CN 201711266671 A CN201711266671 A CN 201711266671A CN 107929825 A CN107929825 A CN 107929825A
Authority
CN
China
Prior art keywords
drainage
tube
pressure sensor
bellows
head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711266671.2A
Other languages
Chinese (zh)
Other versions
CN107929825B (en
Inventor
卢娜
李成长
罗晓秋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Medical University
Original Assignee
Xinxiang Medical University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xinxiang Medical University filed Critical Xinxiang Medical University
Priority to CN201711266671.2A priority Critical patent/CN107929825B/en
Publication of CN107929825A publication Critical patent/CN107929825A/en
Application granted granted Critical
Publication of CN107929825B publication Critical patent/CN107929825B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/0023Suction drainage systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/0023Suction drainage systems
    • A61M1/0031Suction control
    • A61M1/0035Suction control by changing the section of the line, e.g. flow regulating valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/008Drainage tubes; Aspiration tips
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M2025/0001Catheters; Hollow probes for pressure measurement
    • A61M2025/0002Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end

Abstract

The present invention provides a kind of drainage tube, including drainage tube body, and draining one end of tube body has the drainage head of spherical arc shape, and drainage head is put together by least three drainage valves;Drainage tube body is equipped with the bellows communicated therewith;Drain tube body and be equipped with drainage tail pipe close to the connection of the part of bellows;The inside of drainage tube body is coaxially provided with inner tube, and one end of inner tube is equipped with micro pressure sensor, and the other end of inner tube is pierced by the blind end of bellows;Bellows, which axially contract, to eject micro pressure sensor between drainage valve, and the drainage channel for connecting drainage tube body exterior and inside is formed between each two adjacent drainage valve and the outer wall of inner tube;One end that the conducting wire of micro pressure sensor is pierced by inner tube is provided with Signal connector.Present invention also offers a kind of drainage system including the drainage tube, and the drainage flow of hydrops can be accurately controlled by wound chamber where detecting hydrops or endoceliac pressure cooperation controller, avoids drainage excessive.

Description

Drainage tube and drainage system
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of drainage tube and drainage system.
Background technology
Hydrops external drainage is the drainage method clinically generally used, it will connect one or more of drainage bag and porous leads Pipe inserts wound chamber or body cavity, the hydrops of intracavitary are led in drainage bag automatically, can prevent from infecting, and organ and tissue are adjoined in releasing Compressing, improve symptom, and Wound healing can be promoted.According to clinical experience and the lot of documents collectively show that of retrieval:Hydrops body During external drainage be interrupted, quantitatively drain it is extremely important.Such as largely too fast discharge opeing can cause multiple extensional edema with the lung involved to pleural effusion Swollen and vertical diaphragm is swung, and seroperitoneum excessively drainage can then cause abdominal pressure rapid drawdown, induce hepatic encephalopathy.
Current clinically generally use negative pressure drainage ball can born as wound or the drainage system of Celom liquid loading The end of drainage ball is pressed, liquid-collection bag with a scale is connected, to count daily drainage flow.Or SB discharge opeing bags are used, as Wound drainage device.But these drainage systems are designing and on only for draining oozing of blood sepage, and drainage flow is determined Need empirically artificially to be estimated, and estimate that obtained drainage flow accuracy has much room for improvement, and in drainage process also Need artificially to be controlled, use is very inconvenient.
The content of the invention
For above-mentioned technical problem existing in the prior art, the present invention provides a kind of drainage tube, one kind is additionally provided Drainage system including the drainage tube, can be accurate by wound chamber where detecting hydrops or endoceliac pressure cooperation controller The drainage flow of hydrops is controlled, avoids drainage excessive.
The technical scheme is that:A kind of drainage tube, including drainage tube body, one end of the drainage tube body have The drainage head of spherical arc shape, the drainage head by least three centered on the axis of the drainage tube body circumference array point The drainage valve of cloth is put together;
The one end of the drainage tube body away from the drainage head is coaxially arranged with bellows, the bellows One end of pipe is connected with the drainage tube body, and the other end is blind end;
The drainage tube body is also provided with and communicated with drainage tail pipe close to the part of the bellows;
The inside of the drainage tube body is coaxially arranged with an inner tube, and one end of said inner tube is provided with micro pressure sensing Device, the blind end of the other end from the bellows of said inner tube are pierced by;
When the bellows axially contract, the micro pressure sensor can be drained drawing for head from described Stream valve between eject, and the micro pressure sensor positioned at it is described drainage head outside when, the adjacent drainage valve of each two with Formed between the outer wall of said inner tube and connect the drainage tube body exterior and internal drainage channel;
The conducting wire of the micro pressure sensor is pierced by said inner tube from the part outside bellows, and is led described One end that line is pierced by inner tube is provided with Signal connector.
As preferred:The outer wall of said inner tube is provided with the spacing flange collar of annular, and the spacing flange collar is used for described micro- When type pressure sensor is outside the drainage head, the top progress to all drainage valves is spacing.
As preferred:The spacing flange collar is at least two set along said inner tube axially spaced-apart.
As preferred:Spray orifice is provided with said inner tube, the spray orifice is located at the micro pressure sensor and the limit Between the flange collar of position.
As preferred:The spray orifice go out liquid direction and the axis of the spacing flange collar is mutually at an acute angle, and to described miniature Pressure sensor direction tilts.
As preferred:The spray orifice is along the circumferentially uniformly distributed multiple of said inner tube.
As preferred:Feed liquor one-way control valve is provided with said inner tube, the feed liquor one-way control valve is arranged on described Inner tube is located at the part outside bellows.
As preferred:Drainage one-way control valve is provided with the drainage tail pipe.
The present invention another technical solution be:A kind of drainage system, it is characterised in that:Including described in above-mentioned any one Drainage tube.
As preferred:Including controller and drainage tube;
The one end of the drainage tail pipe away from the drainage tube body is connected with negative-pressure container, and said inner tube is away from described micro- One end of type pressure sensor connects liquid container by a micropump;
The Signal connector, feed liquor one-way control valve, drainage one-way control valve and micropump are electrically connected with the controller Connect, the controller is according to the signal of the micro pressure sensor control keying for draining one-way control valve.
The beneficial effects of the invention are as follows:The present invention drainage tube by setting micro pressure sensor, drainage head into After entering fluid collection chamber, by promoting inner tube to drainage cephalad direction vertically, micro pressure sensor can open-top drainage valve, from drawing Ejection drains head between flowing valve, the Signal connector of micro pressure sensor is connected controller, you can detect in fluid collection chamber Pressure condition.
It can be realized during inner tube is promoted by bellows, ensure have between inner tube and drainage tube body Enough activities, and drainage tube body will not be caused to leak.
Since drainage head is put together by drainage valve, in processing, the drainage head of spherical arc shape can be first integrally formed, Drainage head part is cut into the drainage valve of design quantity by the cutting seam then processed by radial cuts.Drainage head uses this The structure of sample, can introduce fluid collection chamber in order to drainage head portion.After entering fluid collection chamber on drainage head, micro pressure sensor ejection Head is drained, cutting, which sews, to be strutted, and is formed between outer wall of the adjacent drainage valve of each two with said inner tube and is connected drainage tube Body exterior and internal drainage channel.When carrying out hydrops drainage procedure, hydrops can enter drainage tube by drainage channel Body.So in processing, without in addition processing conduction hole on drainage tube body.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the drainage tube of the embodiment of the present invention;
Fig. 2 is the structure diagram of another state of the drainage tube of the embodiment of the present invention;
Fig. 3 is the structure diagram at the drainage head in the embodiment of the present invention;
Fig. 4 is the sectional view of Fig. 3;
Fig. 5 is the top view of Fig. 3;
Fig. 6 is the structure diagram of another state at the drainage head in the embodiment of the present invention;
Fig. 7 is the sectional view of Fig. 6;
Fig. 8 is the top view of Fig. 6;
Fig. 9 is the structure diagram of the drainage system of the embodiment of the present invention.
1 in figure, drain tube body;11st, head is drained;111st, cutting seam;112nd, drainage channel;12nd, air bag;121、 Tracheae;122nd, gas nozzle;123rd, plug;13rd, bellows;14th, tail pipe is drained;2nd, inner tube;21st, spray orifice;22nd, spacing flange collar; 3rd, micro pressure sensor;31st, Signal connector;4th, one-way control valve is drained;5th, negative pressure hydrops bag;6th, controller;7th, feed liquor list To control valve;8th, liquid container;9th, micropump.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this area is common The every other embodiment that technical staff is obtained without making creative work, belongs to what the present invention protected Scope.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
As shown in figure 9, an embodiment of the present invention provides a kind of drainage system, including controller 6 and drainage tube.
As depicted in figs. 1 and 2, drainage tube includes the drainage tube body 1 that air bag 12 is provided with outer wall, the drainage One end of tube body 1 has the drainage head 11 of spherical arc shape.
The air bag 12 is provided with and communicated with tracheae 121, and one end of tracheae 121 is connected with the inside of tracheae 121, the other end Gas nozzle 122 is provided with, the plug 123 for being sealed to it is provided with gas nozzle 122.Plug 123 is linked to be one with gas nozzle 122 Body, so that when opening gas nozzle 122, plug 123 still connects together with gas nozzle 122, avoids losing.
As shown in Figures 3 to 5, it is described drainage head 11 by least three by it is described drainage tube body 1 axis centered on The drainage valve of circumference array distribution is put together.In the present embodiment, drainage head 11 is put together by four drainage valves.Processing When, the drainage head 11 of spherical arc shape is first integrally formed, then by radially cutting drainage head 11, four processed cut Drainage head 11 is divided into four drainage valves by seam 111, four cutting seams 111.
Drainage head 11 is made of flexible material, so that inner tube 2 can eject between drainage valve.
As shown in Figure 1, the one end of the drainage tube body 1 away from the drainage head 11 is coaxially arranged with bellows 13, one end of the bellows 13 is connected with the drainage tube body 1, and the other end is blind end.
The drainage tube body 1 is also provided with and communicated with drainage tail pipe 14 close to the part of the bellows 13.Drainage One end of tail pipe 14 is connected with 1 inside of drainage tube body, and the other end is used to connect negative-pressure container.
Optionally embodiment, described drain are provided with drainage one-way control valve 4 on tail pipe 14.Drain unidirectionally controlled The setting of valve 4 makes hydrops to be flowed from fluid collection chamber into drainage tube body 1, without flowing backwards.By controlling drainage single Keying to control valve 4 can start and stop drainage procedure.
As shown in Figure 1, the inside of the drainage tube body 1 is coaxially arranged with an inner tube 2.One end of said inner tube 2 is fixed Micro pressure sensor 3 is provided with, micro pressure sensor 3 closes the end of inner tube 2.Micro pressure sensor 3 One end on the outside of inner tube 2 is its pressure sensitive end.
The blind end of the other end of said inner tube 2 from the bellows 13 is pierced by.Bellows are pierced by inner tube 2 It is sealed connection between the part of 13 blind end and the blind end of bellows 13.
After the present invention on drainage head 11 in use, enter fluid collection chamber, by being promoted vertically to drainage 11 direction of head Inner tube 2, bellows 13 are shunk vertically, while the open-top drainage valve of micro pressure sensor 3, are pushed up between drainage valve Go out to drain head 11 (as shown in Figure 2).
Can be realized during inner tube 2 is promoted by bellows 13, ensure inner tube 2 with drainage tube body 1 it Between there is enough activities, and will not cause drain tube body 1 leak.
The hardness of inner tube 2 need to meet support micro pressure sensor 3 enough from the drainage valve on the drainage head 11 it Between eject.As shown in figure 4, when micro pressure sensor 3 is positioned at drainage 1 inside of tube body, the pressure of micro pressure sensor 3 Induction end is contacted with draining the medial center on head 11, is drainage head during entering fluid collection chamber on drainage head 11 Portion 11 provides support.
After entering fluid collection chamber on drainage head 11, as shown in Figure 6 to 8, the ejection drainage of micro pressure sensor 3 head 11, the cutting seam 111 on drainage head 11 is softened, and is formed between the adjacent drainage valve of each two and the outer wall of said inner tube 2 The drainage channel 112 (as shown in Figure 6 and Figure 8) of connection drainage tube body 1 outwardly and inwardly.When carrying out hydrops drainage procedure, Hydrops can enter drainage tube body 1 by drainage channel 112.So in processing, without in addition adding on drainage tube body 1 Work conduction hole.
Optionally embodiment, as shown in Figure 6 to 8, the outer wall of said inner tube 2 are provided with the spacing flange collar of annular 22, the spacing flange collar 22 is used for when the micro pressure sensor 3 is outer positioned at the drainage head 11, to all drainage valves Top carry out it is spacing.
Optionally embodiment, the spacing flange collar 22 are at least two set along 2 axially spaced-apart of said inner tube. As shown in Figure 6 and Figure 7, spacing flange collar 22 is arranged to two in the present embodiment, and the distance between two spacing flange collars 22 are slightly larger than The thickness of valve is drained, the inner side and outer side progress by two drainage valves at the same time to draining valve is spacing, by micro pressure sensor 3 It is fixed on current location.
Spacing flange collar 22 may be set to be more than three, this can realize the extension elongation to micro pressure sensor 3 Control.
Optionally embodiment, as shown in Figure 6 and Figure 7, is provided with spray orifice 21, the spray orifice 21 in said inner tube 2 Between the micro pressure sensor 3 and the spacing flange collar 22.Ensure after micro pressure sensor 3 positions, spray orifice 21 outside drainage head 11, enable liquid or flushing liquor to be directly entered fluid collection chamber.
Optionally embodiment, as shown in Figure 6 and Figure 7, the spray orifice 21 go out liquid direction and the spacing flange collar 22 axis is mutually at an acute angle, and is tilted to 3 direction of micro pressure sensor.So to avoid liquid or liquid energy can be rinsed It is enough more preferably low to enter fluid collection chamber.
Optionally embodiment, the spray orifice 21 are along the circumferentially uniformly distributed multiple of said inner tube 2.The present embodiment In, as shown in Figure 6 and Figure 7, the quantity of spray orifice 21 is four.The structure of multiple spray orifices 21 is set, makes liquid or rinses liquid energy It is enough to enter fluid collection chamber from different orientation.
As depicted in figs. 1 and 2, the conducting wire of the micro pressure sensor 3 is pierced by institute from the part outside bellows Inner tube 2 is stated, and the one end for being pierced by the conducting wire inner tube 2 is provided with Signal connector 31.It is real that instrument is connected by Signal connector 31 Now to the collection of pressure signal.
Optionally embodiment, as shown in figure 9, be provided with feed liquor one-way control valve 7 in said inner tube 2, by into Liquid one-way control valve 7 makes liquid or flushing liquor to be flowed to the direction of spray orifice 21, and cannot be led from spray orifice 21 into inner tube 2 Stream, ensures the cleaning of inner tube 2.The feed liquor one-way control valve 7 is arranged on the part that said inner tube 2 is located at outside bellows.
As shown in figure 9, the drainage tail pipe 14 of drainage system provided in an embodiment of the present invention is away from the drainage tube body 1 One end is connected with negative-pressure container.In the present embodiment, negative-pressure container is a negative pressure hydrops bag 5.Certainly, negative-pressure container is also an option that Negative pressure hydrops bottle etc..
The one end of said inner tube 2 away from the micro pressure sensor 3 connects liquid container 8 by a micropump 9.
The Signal connector 31, feed liquor one-way control valve 7, drainage one-way control valve 4 and micropump 9 with the controller 6 are electrically connected.
Liquid or flushing liquor can be added in liquid container 8, sets in controller 6 add into fluid collection chamber as needed The time of medicine and dosage, controller 6 automatically control the work of micropump 9 and opening for feed liquor one-way control valve 7 according to the setting Close.
The normal pressure of fluid collection chamber is set in controller 6, the controller 6 is according to the micro pressure sensor 3 Signal control it is described drainage one-way control valve 4 keying.When micro pressure sensor 3 detects that hydrops cavity pressure is more than just During normal pressure power, controller 6 opens drainage one-way control valve 4, negative-pressure container is connected with fluid collection chamber, under suction function, product Hydrops in sap cavity is disposed in negative-pressure container;When micro pressure sensor 3 detects that hydrops cavity pressure is reduced to normally During pressure, controller 6 closes drainage one-way control valve 4, negative-pressure container is disconnected with fluid collection chamber, so as to fulfill accurate drainage Amount control, avoids drainage excess or the too low situation of drainage flow.
Controller 6 in the embodiment of the present invention can be the equipment such as microcomputer.
It should be noted that in the case where there is no conflict, the feature in embodiment and/or embodiment in the present invention can To be combined with each other.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.

Claims (10)

1. a kind of drainage tube, including drainage tube body (1), one end of the drainage tube body (1) has the drainage head of spherical arc shape Portion (11), it is characterised in that:Drainage head (11) is justified by least three centered on the axis of the drainage tube body (1) The drainage valve of all array distributions is put together;
The one end of the drainage tube body (1) away from drainage head (11) is coaxially arranged with bellows (13), described One end of bellows (13) is connected with the drainage tube body (1), and the other end is blind end;
The drainage tube body (1) is also provided with and communicated with drainage tail pipe (14) close to the part of the bellows (13);
The inside of the drainage tube body (1) is coaxially arranged with an inner tube (2), and one end of said inner tube (2) is provided with miniature pressure Force snesor (3), the blind end of the other end from the bellows (13) of said inner tube (2) are pierced by;
, can be by the micro pressure sensor (3) from the drainage head when bellows (13) axially contract (11) ejected between drainage valve, and when the micro pressure sensor (3) is outer positioned at drainage head (11), each two Formed between adjacent drainage valve and the outer wall of said inner tube (2) and connect the drainage of the drainage tube body (1) outwardly and inwardly Passage (112);
The conducting wire of the micro pressure sensor (3) is pierced by said inner tube (2) from the part outside bellows, and described One end that conducting wire is pierced by inner tube (2) is provided with Signal connector (31).
2. drainage tube according to claim 1, it is characterised in that:The outer wall of said inner tube (2) is provided with the spacing of annular Flange collar (22), the spacing flange collar (22) are used for when the micro pressure sensor (3) is outer positioned at drainage head (11), Top progress to all drainage valves is spacing.
3. drainage tube according to claim 2, it is characterised in that:The spacing flange collar (22) is along said inner tube (2) axis To spaced at least two.
4. drainage tube according to claim 3, it is characterised in that:Spray orifice (21), the spray are provided with said inner tube (2) Hole (21) is between the micro pressure sensor (3) and the spacing flange collar (22).
5. drainage tube according to claim 4, it is characterised in that:The spray orifice (21) goes out liquid direction and the limit convex It is mutually at an acute angle to enclose the axis of (22), and tilt to the micro pressure sensor (3) direction.
6. drainage tube according to claim 5, it is characterised in that:The spray orifice (21) is the circumferential direction along said inner tube (2) Uniformly distributed is multiple.
7. drainage tube according to claim 4, it is characterised in that:Said inner tube is provided with feed liquor one-way control valve on (2) (7), the feed liquor one-way control valve (7) is arranged on the part that said inner tube (2) is located at outside bellows.
8. drainage tube according to claim 7, it is characterised in that:The unidirectional control of drainage is provided with the drainage tail pipe (14) Valve (4) processed.
A kind of 9. drainage system, it is characterised in that:Including the drainage tube described in any one in claim 1 to 8.
10. drainage system according to claim 9, it is characterised in that:Including described in controller (6) and claim 8 Drainage tube;
The one end of the drainage tail pipe (14) away from the drainage tube body (1) is connected with negative-pressure container, and said inner tube (2) is remote One end of the micro pressure sensor (3) connects liquid container (8) by a micropump (9);
The Signal connector (31), feed liquor one-way control valve (7), drainage one-way control valve (4) and micropump (9) with the control Device (6) processed is electrically connected, and the controller (6) is according to the unidirectional control of the signal of the micro pressure sensor (3) the control drainage The keying of valve (4) processed.
CN201711266671.2A 2017-12-05 2017-12-05 Drainage tube and drainage device Active CN107929825B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711266671.2A CN107929825B (en) 2017-12-05 2017-12-05 Drainage tube and drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711266671.2A CN107929825B (en) 2017-12-05 2017-12-05 Drainage tube and drainage device

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Publication Number Publication Date
CN107929825A true CN107929825A (en) 2018-04-20
CN107929825B CN107929825B (en) 2020-04-21

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712295A (en) * 1970-08-03 1973-01-23 W Kline Centrifuge tube
US3884238A (en) * 1972-06-19 1975-05-20 Malley Conor C O Apparatus for intraocular surgery
GB1473900A (en) * 1974-07-22 1977-05-18 Crilly R Sterile drainage assemblies
US4573979A (en) * 1984-08-23 1986-03-04 Innovative Surgical Products, Inc. Irrigation/aspiration tip
CN204521729U (en) * 2015-03-20 2015-08-05 张岩 The special drainage system of a kind of hepatology
CN204864251U (en) * 2015-08-22 2015-12-16 北京大学深圳医院 Liver and gall drainage device
CN205287074U (en) * 2016-01-13 2016-06-08 胡英芳 Be used for abluent infusion set of bladder
CN205515915U (en) * 2016-02-04 2016-08-31 雷涛 Drainage tube
CN106890370A (en) * 2016-12-27 2017-06-27 陈保云 The chamber closed drainage device of dry belt lock tube

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3712295A (en) * 1970-08-03 1973-01-23 W Kline Centrifuge tube
US3884238A (en) * 1972-06-19 1975-05-20 Malley Conor C O Apparatus for intraocular surgery
GB1473900A (en) * 1974-07-22 1977-05-18 Crilly R Sterile drainage assemblies
US4573979A (en) * 1984-08-23 1986-03-04 Innovative Surgical Products, Inc. Irrigation/aspiration tip
CN204521729U (en) * 2015-03-20 2015-08-05 张岩 The special drainage system of a kind of hepatology
CN204864251U (en) * 2015-08-22 2015-12-16 北京大学深圳医院 Liver and gall drainage device
CN205287074U (en) * 2016-01-13 2016-06-08 胡英芳 Be used for abluent infusion set of bladder
CN205515915U (en) * 2016-02-04 2016-08-31 雷涛 Drainage tube
CN106890370A (en) * 2016-12-27 2017-06-27 陈保云 The chamber closed drainage device of dry belt lock tube

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