CN106669009A - Drainage tube, drainage device and method for preventing blockage of drainage tube - Google Patents
Drainage tube, drainage device and method for preventing blockage of drainage tube Download PDFInfo
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- CN106669009A CN106669009A CN201710085010.3A CN201710085010A CN106669009A CN 106669009 A CN106669009 A CN 106669009A CN 201710085010 A CN201710085010 A CN 201710085010A CN 106669009 A CN106669009 A CN 106669009A
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- Prior art keywords
- drainage tube
- sleeve pipe
- tube
- drainage
- described sleeve
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/56—Labware specially adapted for transferring fluids
- B01L3/561—Tubes; Conduits
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M25/00—Catheters; Hollow probes
- A61M2025/0018—Catheters; Hollow probes having a plug, e.g. an inflatable plug for closing catheter lumens
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- External Artificial Organs (AREA)
Abstract
The invention provides a drainage tube, a drainage device and a method for preventing blockage of the drainage tube. The drainage tube comprises a plurality of sleeves that are detachably sleeved together from outside to inside, when a tube is blocked, the innermost tube of the drainage tube is pulled out, tampers in the tube are pulled out together, and therefore the drainage tube is restored to normal work. When blockage of the drainage tube happens again, the new innermost tube is separated from the drainage tube, and the drainage tube can continue to work. The drainage tube, the drainage device and the method for preventing blockage of the drainage tube have the advantages of good recanalization effect, easy and simply operation, and avoid defects of blockage prevention methods such as recanalization using external force, drawing out the drainage tube and inserting again which is prone to causing damage to items outside the drainage tube.
Description
Technical field
The invention belongs to drainage technology field, specifically, is related to drainage tube, drainage system and prevents blocked drainage tube
Method.
Background technology
Drain is a kind of common fluid-operated, is had a wide range of applications in productive life, for example field of chemical detection
In fluid sampling, medical domain in fluid in particular organization is drawn.In drainage process, inadequate drainage, blocked drainage tube
It is the reason for most common drain fails.After blocked drainage tube, common solution is：1. using external force (drainage tube is such as squeezed
External end, syringe drain liquid in pipe and tamper is aspirated, syringe injects fluid etc. into drainage tube and is rinsed)
Drainage tube is led to again；2. drainage tube is pulled out, new drainage system is inserted again.
When being led to again using external force, many formation with drain tube cavity of tamper is combined closely, it is difficult to pumped out, and tamper is solid
Volume morphing, it is difficult to broken up and gone out from the perforate of drainage tube head end, it is most likely that blocked again.And use exogenic processes
In, once drainage tube leads to again, its moment drainage lumens will appear from larger pressure change.If the drain in medical domain, or even
In-vivo tissue may be caused to suck from the drain mouth of pipe or perforate, or organize pressurized excessive, cause tissue bleeding or other discomforts.
The position high to pressure sensibility this kind of for cerebral tissue, or even extremely serious consequence can be produced.If pulling out drainage tube simultaneously
Operate again, not only complex operation, and can then produce destruction to drainage lumens.If in medical domain, negative consequence will more
Plus it is serious.
The content of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of drainage tube, the drainage tube has and removably covers
The multiple sleeve pipe being connected together, blockage resisting effect is good, and avoids the easy to human body of existing blockage resisting technology presence
Tissue Deng live body produces the defect of injury.
The purpose of the present invention is achieved through the following technical solutions：
A kind of drainage tube, the drainage tube includes the multiple sleeve pipe for removably connecting together from outside to inside；
The tube wall of the drainage tube is provided with some conduction holes, and some or all conduction holes penetrate all described
Sleeve pipe, for the fluid outside the drainage tube to be incorporated in the inner chamber of the drainage tube；
The tube wall of described sleeve pipe is restrained in an end of the drainage tube, forms one end of the drainage tube convergence,
Another is open-ended, one end of the drain tube opening is formed, for the fluid in the inner chamber to be opened from the drainage tube
Draw one end of mouth.
According to above-mentioned technical proposal, during drainage tube normal work, fluid the drawing from the tube wall of drainage tube of drain intracavity
Discharge orifice is entered in the inner chamber of drainage tube, is drawn from one end of the opening of drainage tube.During blocked drainage tube, conduction hole closing, fluid
In cannot be introduced into the inner chamber of drainage tube.It is detachable between multiple sleeve pipe in due to drainage tube, by the set of drainage tube innermost layer
Pipe is pulled out, and its interior tamper will together be drawn out.After innermost layer sleeve pipe and tamper are completely pulled out of drainage tube, secondary internal layer
Sleeve pipe becomes the sleeve pipe of innermost layer, and without tamper in its inner chamber, drainage tube recovers normal work.If drainage tube is blocked up again
Plug, then new innermost layer sleeve pipe is separated from drainage tube, makes the drainage tube can be with continuous firing.
As the improvement to technical scheme, between adjacent described sleeve pipe lubriation material is provided with；And/or, adjacent institute
State sleeve pipe the material for being difficult to be bonded together adjacent described sleeve pipe is respectively adopted and make.
Used as the improvement to technical scheme, the tube wall of described sleeve pipe is provided with one end of the drain tube opening and pulls dress
Put, for making corresponding described sleeve pipe to pull out from the drainage tube.
By arranging pulling off apparatus, pulling off apparatus are directly pullled when needing to pull out inner layer sleeve, it is to avoid directly
Connect and pull being difficult to accurately clamp particular sleeve, not making the defects such as power for sleeve pipe presence, sleeve pipe can be with easier from drainage tube
Middle pull-out.
Used as the improvement to technical scheme, the pulling off apparatus are the tube-like piece concentric with corresponding described sleeve pipe, institute
The one end for stating pulling off apparatus is fixed with corresponding described sleeve pipe.
Used as the improvement to technical scheme, the drainage tube includes three sets for removably connecting together from the inside to the outside
Pipe.
Used as the improvement to technical scheme, the conduction hole includes the hole being formed on the side wall of the drainage tube.
Used as the improvement to technical scheme, the material of described sleeve pipe is biocompatible materialses.
Biocompatible materialses refer to the material with excellent compatibility between biological tissue, can prevent material and machine
Body contact produces toxicity, zest, dysfunction of blood coagulation, haemolysis, teratogenecity, inflammation, mutagenesis, carcinogenic etc. to cell and whole body
Harm.Specifically, can be silica gel, nylon, polyamide etc..By the way that the material of sleeve pipe is defined to into biocompatible materialses, make
Drainage tube may be mounted to that in the tissue of human body or animal.
A kind of drainage system is additionally provided, including the drainage tube according to any of the above-described technical scheme.
A kind of method for preventing blocked drainage tube is additionally provided, is comprised the following steps：
S1：Multiple sleeve pipes that the drainage tube is arranged to include removably connecting together from the inside to the outside；
S2：Some conduction holes are set on the tube wall of the drainage tube, and some or all conduction holes are penetrated entirely
Portion's described sleeve pipe, for the fluid outside the drainage tube to be incorporated in the inner chamber of the drainage tube；
S3：The tube wall for making described sleeve pipe is restrained in an end of the drainage tube, forms the one of the drainage tube convergence
End, it is open-ended at another, form one end of the drain tube opening, for by the fluid in the inner chamber from the drain
Draw one end of tube opening；
S4：If the drainage tube is blocked, the described sleeve pipe of innermost layer is pulled out, make described sleeve pipe and the blocking of innermost layer
Thing is separated from the drainage tube；
S5：If the drainage tube is blocked again, repeat step S4.
Used as the improvement to technical scheme, step S1 is further included：The tube wall of described sleeve pipe is made in the drainage tube
One end of opening is provided with pulling off apparatus, for making corresponding described sleeve pipe to pull out from the drainage tube.
Beneficial effects of the present invention：When blocked drainage tube, it is only necessary to which the sleeve pipe of innermost layer is pulled out into drainage tube can make
Drainage tube is unobstructed again.Both external force had been avoided to lead to that mode blockage resisting effect is poor again, easily injure by drain object or tissue, had also kept away
Exempt to pull out drainage tube and again insertable into also easy injury by drain object or tissue.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is without the drainage tube schematic diagram of pulling off apparatus in the embodiment of the present invention；
Fig. 2 is the drainage tube schematic diagram with pulling off apparatus in the embodiment of the present invention；
Fig. 3 is that front drainage tube operating diagram is blocked in the embodiment of the present invention；
Fig. 4 be in the embodiment of the present invention blocking after drainage tube operating diagram；
Fig. 5 is drainage tube operating diagram when inner layer sleeve is pulled out in the embodiment of the present invention；
Fig. 6 is that drainage tube operating diagram after inner layer sleeve is pulled out in the embodiment of the present invention.
Main element symbol description：
1- outer layer sleeves, the pulling off apparatus of 1a- first, 2- intermediate layers sleeve pipe, the pulling off apparatus of 2a- second, 3- inner layer sleeves,
The pulling off apparatus of 3a- the 3rd, one end of 4- drain tube openings, one end of 5- drainage tubes convergence, the inner chamber of 6- drainage tubes, 7- drains
Hole, 8- drainage lumens.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings are to drainage tube, drainage system and prevent drain pipe plug
The method of plug is described more fully.Drainage tube, drainage system are given in accompanying drawing and the method for blocked drainage tube is prevented
Preferred embodiment.But, drainage tube, drainage system and prevent blocked drainage tube method can by many different forms come
Realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to drainage tube, drain
Device and prevent blocked drainage tube method disclosure more it is thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Conversely, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.Herein saying in drainage tube, drainage system and the method for preventing blocked drainage tube
Term used in bright book is intended merely to describe the purpose of specific embodiment, it is not intended that limit the present invention.Made herein
Term " and/or " including the arbitrary and all of combination of one or more related Listed Items.
Embodiment 1
A kind of drainage system and drainage tube are present embodiments provided, the drainage system includes the drainage tube, the drainage system
Can be widely applied to the various occasions for needing drain, such as will be specific in the fluid sampling, medical domain in field of chemical detection
Fluid extraction etc. in tissue.
Drainage tube includes the multiple sleeve pipe for removably connecting together from outside to inside, and Fig. 1 shows a kind of preferred
Mode, i.e. drainage tube include the sleeve pipe of three for removably connecting together from outside to inside；
The tube wall of drainage tube is provided with some conduction holes 7, and some or all conduction holes penetrate whole sleeve pipes, for inciting somebody to action
Fluid outside drainage tube is incorporated in the inner chamber 6 of drainage tube；
The tube wall of sleeve pipe is restrained in an end of drainage tube, forms one end 5 of drainage tube convergence, is opened in another end
Mouthful, one end 4 of drain tube opening is formed, draw from one end 4 of drain tube opening for the fluid in the inner chamber 6 by drainage tube.
Preferably, as shown in figure 1, drainage tube includes three sleeve pipes for removably connecting together from outside to inside, respectively
It is outer layer sleeve 1, intermediate layer sleeve pipe 2 and inner layer sleeve 3.The shape of three sleeve pipes is substantially the same, and be tightly combined degree and
Degree of adhesion is moderate, three sleeve pipes is met and can be relatively easily separated, and prevents fluid between each sleeve pipe
Flow out in gap.Specifically, the circular in cross-section of sleeve pipe, ellipse, square or other shapes.
It should be strongly noted that except the drainage tube shown in Fig. 1 includes what is removably connected together from outside to inside
Outside three sleeve pipes, sleeve pipe can also be four or other quantity.Include how many from outside to inside removably as drainage tube
The sleeve pipe for connecting together, then need according to expected operation duration, need the factors such as the fluid volume of drain to be selected.
Further, it is provided with lubriation material between adjacent sleeve pipe.
By arranging lubriation material between adjacent sleeve pipe, there is extremely low frictional force between adjacent sleeve pipe, make phase
It is easily separated between adjacent sleeve pipe.
Further, adjacent sleeve pipe is respectively adopted the material for being difficult to be bonded together and makes.For commaterial, by
The complexity that bonds between different materials is different, and some materials are easily bonded together, and being not easy of having is bonded together.
For different materials, the bonding complexity between material changes also with the change of description of materials, some materials, such as
Nylon is not easy and the material such as PVC, TPE bonding.It is difficult to be bonded in one by the way that adjacent sleeve pipe is respectively adopted in the present embodiment
The material for rising is made, and makes to be easily separated between adjacent sleeve pipe.
Preferably, as shown in figure 1, multiple conduction holes 7 are arranged on the side wall of drainage tube, and whole conduction holes 7 are worn simultaneously
Thoroughly outer layer sleeve 1, intermediate layer sleeve pipe 2 and inner layer sleeve 3 are until go deep into the inner chamber 6 of drainage tube.
In the present embodiment, the size of conduction hole 7, quantity, arrangement are according to fluid type, fluid volume, drain pipe size
Selected etc. combined factors, so that the various performances of drainage tube reach expected balance.
It should be strongly noted that conduction hole 7 is additionally formed in and draws in addition on the side wall that can be formed in drainage tube
One end 5 of flow tube convergence.When conduction hole 7 is formed in one end 5 of drainage tube convergence, what one end 5 that drainage tube is restrained had
The size and number of conduction hole 7 are selected with reference to following condition：After conduction hole 7 is set, the intensity of one end 5 of drainage tube convergence
It is sustainable to pull out the tamper in innermost layer sleeve pipe and innermost layer cannula cavity from drainage tube.
It should be strongly noted that in addition to the whole conduction holes 7 shown in Fig. 1 penetrate whole sleeve pipes, can also only part
Conduction hole 7 penetrates whole sleeve pipes.By taking three layers of sleeve pipe shown in Fig. 1 as an example, only outer layer sleeve can be penetrated simultaneously by part conduction hole 7
1st, intermediate layer sleeve pipe 2 and inner layer sleeve 3 are until go deep into the inner chamber 6 of drainage tube, another part conduction hole 7 only penetrates outer layer sleeve 1
With intermediate layer sleeve pipe 2.After inner layer sleeve 3 is pulled out from drainage tube, this only penetrates the one of outer layer sleeve 1 and intermediate layer sleeve pipe 2
Part conduction hole 7 equally can be drained into fluid from outside drainage tube in the inner chamber 6 of drainage tube.Further, can be with one
Part conduction hole 7 only penetrates outer layer sleeve 1.After inner layer sleeve 3 and intermediate layer sleeve pipe 2 are pulled out from drainage tube, this is only penetrated
A part of conduction hole 7 of outer layer sleeve 1 equally can be drained into fluid from outside drainage tube in the inner chamber 6 of drainage tube.
Further, the opening of sleeve pipe is provided with pulling off apparatus, for making sleeve pipe to pull out from drainage tube.Specifically
Ground, as shown in Fig. 2 when drainage tube includes three sleeve pipes for removably connecting together from outside to inside, the opening of outer layer sleeve 1
End is provided with the first pulling off apparatus 1a, the opening of intermediate layer sleeve pipe 2 is provided with the second pulling off apparatus 2a, and inner layer sleeve 3 is opened
Mouth end is provided with the 3rd pulling off apparatus 3a.
Specifically, as shown in Fig. 2 the first pulling off apparatus 1a, the second pulling off apparatus 2a and the 3rd pulling off apparatus 3a are preferably
Tube-like piece, and it is concentric with corresponding sleeve pipe.The one of first pulling off apparatus 1a, the second pulling off apparatus 2a and the 3rd pulling off apparatus 3a
End is fixed with corresponding sleeve pipe.
By the way that the first pulling off apparatus 1a, the second pulling off apparatus 2a and the 3rd pulling off apparatus 3a are set to into tube-like piece, not only
It is easy to clamp pulling off apparatus, it is to avoid be not provided with that pulling off apparatus or directly pull are present during sleeve pipe does not make the defect of power.
It should be strongly noted that the pulling off apparatus in the present embodiment can also be in other shapes in addition to tubulose except being
Shape.For example, it may be rope, banded structure, draw ring etc..The shape of pulling off apparatus and material meet makes pulling off apparatus have enough
Intensity sleeve pipe can be pulled out from drainage tube.
Further, the material of the present embodiment middle sleeve is biocompatible materialses.Biocompatible materialses are referred to and life
There is the material of excellent compatibility between thing tissue, can prevent material from contacting with body and toxicity, thorn are produced to cell and whole body
Sharp property, dysfunction of blood coagulation, haemolysis, teratogenecity, inflammation, mutagenesis, carcinogenic etc. endanger.Specifically, can be silica gel, nylon,
Polyamide etc..By the way that the material of sleeve pipe is defined to into biocompatible materialses, drainage tube is set to may be mounted to that human body or animal
In tissue.
In the present embodiment, the material of sleeve pipe further preferably has certain rigidity and bullet in addition to preferably having biocompatibility
Property, drainage tube requirement is met, while damage will not be produced to in-vivo tissue.Further, the material of sleeve pipe preferably has necessarily
Toughness, makes sleeve pipe that fracture, breakage will not occur during pulling.
The concrete operating principle of drainage tube that the present embodiment is provided is：
As shown in figure 3, during drainage tube normal work, conduction hole 7 Jing of the fluid in drainage lumens 8 from the tube wall of drainage tube
Outer layer sleeve 1, intermediate layer sleeve pipe 2 and inner layer sleeve 3, in the inner chamber 6 of drainage tube, finally from one end 4 of drain tube opening
Draw.
As shown in figure 4, when blocked drainage tube, i.e., when the solid in fluid is blocked in the inner chamber 6 of drainage tube, fluid without
Method is drawn from one end 4 of drain tube opening, and causes conduction hole 7 to be closed, and fluid cannot go successively to the inner chamber 6 of drainage tube
In.
As shown in figure 5, due to detachable between outer layer sleeve 1, intermediate layer sleeve pipe 2 and inner layer sleeve 3.Work as blocked drainage tube
When, inner layer sleeve 3 is pulled out into drainage tube, the tamper in the inner chamber of inner layer sleeve 3 will together be drawn out drainage tube.
As shown in fig. 6, after inner layer sleeve 3 and tamper are completely pulled out of drainage tube, intermediate layer sleeve pipe 2 becomes innermost layer
Sleeve pipe, without tamper in its inner chamber, drainage tube recovers normal work.
If drainage tube is blocked again, then intermediate layer sleeve pipe 2 is pulled out from drainage tube, drainage tube is set to continue work
Make.
Embodiment 2
A kind of method for preventing blocked drainage tube is present embodiments provided, is comprised the following steps：
S1：Multiple sleeve pipe that drainage tube is arranged to include removably connecting together from the inside to the outside；
S2：Some conduction holes 7 are set on the tube wall of drainage tube, and some or all conduction holes 7 penetrate whole sleeve pipes,
In for the fluid outside drainage tube to be incorporated into the inner chamber 6 of drainage tube；
S3：The tube wall for making sleeve pipe is restrained in an end of drainage tube, one end 5 of drainage tube convergence is formed, at another
It is open-ended, one end 4 of drain tube opening is formed, for the fluid in the inner chamber 6 by drainage tube from one end 4 of drain tube opening
Draw；
S4：If drainage tube is blocked, the sleeve pipe of innermost layer is pulled out, make the sleeve pipe and tamper of innermost layer from drainage tube
Separate；
S5：If drainage tube is blocked again, repeat step S4.
Preferably, as shown in figure 1, drainage tube includes three sleeve pipes for removably connecting together from outside to inside, respectively
It is outer layer sleeve 1, intermediate layer sleeve pipe 2 and inner layer sleeve 3.The shape of three sleeve pipes is substantially the same, and be tightly combined degree and
Degree of adhesion is moderate, three sleeve pipes is met and can be relatively easily separated, and prevents fluid between each sleeve pipe
Flow out in gap.Specifically, the circular in cross-section of sleeve pipe, ellipse, square or other shapes.
Preferably, step S1 is further included：In the opening of every layer of sleeve pipe, pulling off apparatus are set, it is corresponding for making
Sleeve pipe can be pulled out from drainage tube.As shown in Fig. 2 drainage tube includes three sleeve pipes for removably connecting together from outside to inside
When, the opening of outer layer sleeve 1 is provided with the first pulling off apparatus 1a, and the opening of intermediate layer sleeve pipe 2 is provided with second and pulls dress
2a is put, the opening of inner layer sleeve 3 is provided with the 3rd pulling off apparatus 3a.
Specifically, as shown in Fig. 2 the first pulling off apparatus 1a, the second pulling off apparatus 2a and the 3rd pulling off apparatus 3a are tubulose
Part, the first pulling off apparatus 1a, one end of the second pulling off apparatus 2a and the 3rd pulling off apparatus 3a are fixed with corresponding sleeve pipe.
Preferably, step S2 is further included：Conduction hole 7 is arranged on the side wall of drainage tube.Specifically, such as Fig. 1
Shown, multiple conduction holes 7 are arranged on the side wall of drainage tube, and whole conduction holes 7 penetrate outer layer sleeve 1, intermediate layer set simultaneously
Pipe 2 and inner layer sleeve 3 are until go deep into the inner chamber 6 of drainage tube.
In the present embodiment, the size of conduction hole 7, quantity, arrangement are according to fluid type, fluid volume, drain pipe size
Selected etc. combined factors, so that the various performances of drainage tube reach expected balance.
Preferably, step S2 is further included：Conduction hole 7 is arranged on into one end 5 of drainage tube convergence.When conduction hole 7
When being formed in one end 5 of drainage tube convergence, the size and number of conduction hole 7 that one end 5 of drainage tube convergence has refer to
Lower condition is selected：After arranging conduction hole 7, the intensity of one end 5 of drainage tube convergence is sustainable by innermost layer sleeve pipe and most interior
Tamper in layer cannula cavity is pulled out from drainage tube.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, and not
Be as restriction, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore limiting the scope of the invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, protection scope of the present invention should be defined by claims.
Claims (10)
1. a kind of drainage tube, it is characterised in that it is multiple that the drainage tube includes removably connecting together from outside to inside
Sleeve pipe；
The tube wall of the drainage tube is provided with some conduction holes, and some or all conduction holes penetrate all sets
Pipe, for the fluid outside the drainage tube to be incorporated in the inner chamber of the drainage tube；
The tube wall of described sleeve pipe is restrained in an end of the drainage tube, one end of the drainage tube convergence is formed, another
It is individual open-ended, form one end of the drain tube opening, for by the fluid in the inner chamber from the drain tube opening
Draw one end.
2. drainage tube according to claim 1, it is characterised in that be provided with lubriation material between adjacent described sleeve pipe；
And/or, adjacent described sleeve pipe is respectively adopted the material for being difficult to be bonded together adjacent described sleeve pipe and makes.
3. drainage tube according to claim 1 and 2, it is characterised in that the tube wall of described sleeve pipe is in the drain tube opening
One end be provided with pulling off apparatus, for making corresponding described sleeve pipe to pull out from the drainage tube.
4. drainage tube according to claim 3, it is characterised in that the pulling off apparatus are coaxial with corresponding described sleeve pipe
The tube-like piece of the heart, one end of the pulling off apparatus is fixed with corresponding described sleeve pipe.
5. drainage tube according to claim 1 and 2, it is characterised in that the drainage tube is included from the inside to the outside removably
Three sleeve pipes for connecting together.
6. drainage tube according to claim 1 and 2, it is characterised in that the conduction hole is formed in the side of the drainage tube
On wall.
7. drainage tube according to claim 1 and 2, it is characterised in that the material of described sleeve pipe is biocompatible materialses.
8. a kind of drainage system, it is characterised in that include the drainage tube according to any one of claim 1-7.
9. a kind of method for preventing blocked drainage tube, it is characterised in that comprise the following steps：
S1：Multiple sleeve pipe that the drainage tube is arranged to include removably connecting together from the inside to the outside；
S2：Some conduction holes are set on the tube wall of the drainage tube, and some or all conduction holes penetrate whole institutes
Sleeve pipe is stated, for the fluid outside the drainage tube to be incorporated in the inner chamber of the drainage tube；
S3：The tube wall for making described sleeve pipe is restrained in an end of the drainage tube, forms one end of the drainage tube convergence,
Another is open-ended, one end of the drain tube opening is formed, for the fluid in the inner chamber to be opened from the drainage tube
Draw one end of mouth；
S4：If the drainage tube is blocked, pull out the described sleeve pipe of innermost layer, make the described sleeve pipe and tamper of innermost layer from
Separate in the drainage tube；
S5：If the drainage tube is blocked again, repeat step S4.
10. the method for preventing blocked drainage tube according to claim 9, it is characterised in that step S1 is further included：
The tube wall for making described sleeve pipe is provided with pulling off apparatus in one end of the drain tube opening, for making the corresponding described sleeve pipe can be from
Pull out in the drainage tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085010.3A CN106669009A (en) | 2017-02-17 | 2017-02-17 | Drainage tube, drainage device and method for preventing blockage of drainage tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085010.3A CN106669009A (en) | 2017-02-17 | 2017-02-17 | Drainage tube, drainage device and method for preventing blockage of drainage tube |
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| Publication Number | Publication Date |
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| CN106669009A true CN106669009A (en) | 2017-05-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085010.3A Pending CN106669009A (en) | 2017-02-17 | 2017-02-17 | Drainage tube, drainage device and method for preventing blockage of drainage tube |
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| CN (1) | CN106669009A (en) |
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| CN108653851A (en) * | 2018-04-03 | 2018-10-16 | 河南科技大学第附属医院 | A kind of pediatrician's paediatrics negative pressure gastric lavage device |
| CN109260573A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | The biliary extra-drainage pipe and its embedded device of anti-duodenofiberscope bleeding |
| CN109260572A (en) * | 2018-11-22 | 2019-01-25 | 上海市东方医院 | Anti-slip nose gall-bladder drainage tube and embedded device |
| CN109513058A (en) * | 2019-01-15 | 2019-03-26 | 郑由周 | A kind of enteral irrigation pipe |
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