CN208693997U - A kind of drainage tube for preventing from destroying surrounding tissue when extraction - Google Patents
A kind of drainage tube for preventing from destroying surrounding tissue when extraction Download PDFInfo
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- CN208693997U CN208693997U CN201721255879.XU CN201721255879U CN208693997U CN 208693997 U CN208693997 U CN 208693997U CN 201721255879 U CN201721255879 U CN 201721255879U CN 208693997 U CN208693997 U CN 208693997U
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- protrusion
- surrounding tissue
- conduction hole
- tube body
- guide surface
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Abstract
The utility model discloses a kind of drainage tube for preventing from destroying surrounding tissue when extraction, including tube body, multiple conduction holes around distribution are offered on the tube wall, hollow tubular body is negative pressure cavity；The conduction hole is mainly made of multiple protrusions towards conduction hole intermediate projections, protrusion is circumferentially distributed along conduction hole, the opening entered and left for cleaning solution is enclosed between adjacent projection, and the wall surface of composition conduction hole is formed between adjacent protrusion and the bottom of tube body connection, the one side of protrusion towards negative pressure cavity, which is equipped with, is convenient for the smooth guide surface to fall off of surrounding tissue, the guide surface by the inside of protrusion to outside towards conduction hole among be inclined to set, the bore of open outer side is greater than its inside bore；It can make to breed and smoothly be split away off in the intestinal tissue of tubular body, the withdrawal process of double-jacket tube becomes simply, will not bring discomfort to human body.
Description
Technical field
The utility model relates to the field of medical instrument technology, and the drainage tube of surrounding tissue is destroyed when specially preventing from extracting.
Background technique
Surgical drainage is one of indispensable measure of many diseases of clinical treatment, such as previous anastomotic and art area after operation
Drainage, the drainage of abscess cavity.The purpose of surgical drainage is to guide purulence, blood, the liquid between tissue or in body cavity to external,
Wound healing is influenced after preventing operation.
There are many surgical drainage tube type clinically applied, and common drainage tube mainly has 4 classes: Penrose drainage, enclosed
Penrose drainage, closed drainage and set Tube Drain.Penrose drainage is with U.S. gynaecologist
The naming of CharlesBinghamPenrose (1862-1925), structure is the rubber tube or silicone tube of softness, with
It is approximate to be placed in subcutaneous hollow flow guiding structure, using the siphon principle draining fluids of capillary, therefore is passively to drain, is easy
Blocking.Since it is open drainage, retrograde infection can be also caused.Retrograde infection caused by avoid Penrose from draining, Ke Yi
The one end Penrose connects closed drainage bag, or even covers ostomy bag, it is made to be isolated from the outside world, and referred to as enclosed Penrose draws
Stream.Clinical once widely used cigarette drain is because meche therein is easy to by the fibrin cohesion in intraperitoneal drainage liquid
Object blocking, effect is very poor, has been eliminated.Digestive juice, peritoneal fluid, fester, notch diffusate etc. can be drained to body by drainage tube
Outside, adhesion is reduced, healing is promoted, when patient needs using drainage tube, it should be noted that nursing.
Wherein, the conduction hole of surgical drainage tube wall setting is mostly cylindrical hole or bellmouth, since drainage tube protrudes into
Residence time is longer in human body intestinal canal, and general >=12 hours, the intestinal tissue in enteron aisle is ceaselessly bred, and intestinal tissue can edge
Drainage tube wall on be arranged cylindricality or taper conduction hole taste reach tubular body, drainage tube has cleaned the purulence in enteron aisle
It when liquid, needs to carry out surgical work, during extracting drainage tube, the mushroom intestinal tissue in part can be blocked in conduction hole
The opening of side, due to falling off without the intestinal tissue for breeding from tubular body is smooth on the inside of the conduction hole of cylindricality or taper
The guide surface or path of navigation to get off, and inside opening bore is less than outside bore, and intestinal tissue can be stuck in tube body
It is internal, it is difficult to split away off, if continuing to extract drainage tube and may pull off to breed causes in the intestinal tissue of tubular body
Blood brings discomfort to human body, may cause other symptom under serious conditions.
Utility model content
The drainage tube that surrounding tissue is destroyed when the purpose of this utility model is to provide for preventing from extracting can make to breed
The surrounding tissue of tubular body is smoothly split away off, and the withdrawal process of drainage tube becomes simply, will not bring discomfort to human body.
In order to realize above-mentioned purpose of utility model, the utility model uses following technical scheme: destruction when preventing from extracting
The drainage tube of surrounding tissue, including tube body offer multiple conduction holes around distribution, tubular body on the tube wall
Hollow is negative pressure cavity；It is formed in the conduction hole equipped with multiple protrusions towards conduction hole intermediate projections, protrusion is along conduction hole
It is circumferentially distributed, the opening entered and left for cleaning solution, and the bottom that adjacent protrusion is connect with tube body are enclosed between adjacent projection
The wall surface of composition conduction hole is formed between portion, the one side of protrusion towards negative pressure cavity is convenient for the smooth guiding to fall off of surrounding tissue
Face, the guide surface by the inside of protrusion to outside towards conduction hole among be inclined to set, the bore of opening inner side is greater than outside it
Side port diameter.
Preferably, the protrusion is the sheet of thin-walled, and protrusion is structure as a whole with tube body, and protrusion is round, ellipse
Round or curved form；When surrounding tissue by relatively moving outward on the inside of conduction hole, surrounding tissue can easily push thin-walled open
The protrusion of sheet makes the opening of conduction hole become larger, and surrounding tissue can smoothly be split away off out of tube body, suitable in surrounding tissue
When benefit is split away off out of tube body, the protrusion of thin-walled sheet can Rapid reset, and protrusion is structure as a whole with tube body, processing
It is convenient to manufacture, and the protrusion of round, ellipse or curved form is streamlined good, smooth, will not stab surrounding tissue and bring to human body
It is uncomfortable.
Because surrounding tissue is generally irregular shape, if guide surface be smooth face, one side surrounding tissue with
The contact area of guide surface is inadequate, can swing when surrounding tissue faces out relative movement along guiding, cannot be very well along leading
It is mobile to face, cause surrounding tissue that may be stuck in edge in relative movement thereof, preferably, the guide surface is in arc
Face shape, the two sides of guide surface are higher than centre, are recessed inwardly among guide surface；Contact surface between surrounding tissue and guide surface becomes
It is more, irregular surrounding tissue can be preferably accommodated, so that guide surface is held surrounding tissue in the shape of clad type, guide surface draws
It leads surrounding tissue smoothly to move, solves the swing of surrounding tissue and stuck the edge the phenomenon that.
Smooth as preferential, described guide surface surface, guide surface and inboard wall of tube body are equipped with and fall for what is smoothly transitted
Circle；When surrounding tissue is relatively moved along smooth guide surface, friction becomes smaller, resistance reduces, the movement of surrounding tissue quickly and
Smooth, the rounding of guide surface and inboard wall of tube body Smooth transition shieldings surrounding tissues from not to be stabbed on the move, in addition equally may be used
In order to the movement of surrounding tissue.
When drainage tube is protruded into enteron aisle, if there is the part of protrusion on the outer surface of tube body, lead to the outer surface of tube body not
Finishing, drainage tube can be stuck in the interior tissue of enteron aisle during protruding into enteron aisle, and resistance becomes larger, the movement of drainage tube becomes
Extremely difficult, as preferential, the face that the protrusion is located on the outside of tube body is for the same side with tube surfaces, and protrusion lateral surface and
The curved surface direction of tube surfaces is concordant；It is smooth when smooth concordant tube surfaces move in enteron aisle, surrounding tissue will not be stuck in
On.
Compared with prior art, using the drainage tube for destroying surrounding tissue when preventing from extracting of above-mentioned technical proposal, tool
It has the advantages that:
One, it is smooth, resistance is small, surrounding tissue is from tube body when surrounding tissue is relatively moved along the guide surface on protrusion
Falling off becomes simple, convenient for the operation of healthcare givers.
Two, the guide surface of arc shape can preferably envelope surrounding tissue, and holding surrounding tissue prevents it from swinging card
Extremely in conduction hole edge, equally the relative movement of surrounding tissue can be made to become smooth.
Three, protrusion is the sheet of thin-walled, and surrounding tissue can easily push protrusion open, turned-out at the outer openings of protrusion
Turn, so that conduction hole outer openings bore is become larger, surrounding tissue can easily be split away off.
Four, due to being provided with protrusion outside conduction hole, protrusion has certain barrier effect to conduction hole, can be in little Cheng
It prevents surrounding tissue from growing into drainage tube on degree, forms mushroom surrounding tissue, drainage tube is avoided to cause when extracted
The secondary destruction of surrounding tissue；The aperture granulation tissue that is smaller, therefore being formed in the hole formed in the middle part of protrusion simultaneously
Width direction on it is smaller, to be rodlike, when drainage tube is extracted, resistance can be smaller.
In the utility model, the drainage tube of description is a kind of abdominal cavity medical instrument on basis, and there are also a variety of similar for drainage tube
Instrument or based on the medical instrument based on drainage tube, such as double-jacket tube.
Detailed description of the invention
Fig. 1 is the cross-sectional view that the drainage tube embodiment 1 of surrounding tissue is destroyed when the utility model prevents from extracting；
Fig. 2 is the structural schematic diagram that the drainage tube tube body of surrounding tissue is destroyed when preventing from extracting in the present embodiment；
Fig. 3 is the structural schematic diagram of protrusion in the present embodiment 1.
Fig. 4 is the partial enlarged view in 1 Fig. 2 of the present embodiment at B；
Fig. 5 is the schematic diagram of internal structure of conduction hole in the present embodiment 1；
Fig. 6 is the partial enlarged view in 1 Fig. 1 of the present embodiment at A；
Fig. 7 is the structural schematic diagram of conduction hole in the present embodiment 2.
Appended drawing reference: 1, tube body；3, conduction hole；30, protrusion；31, it is open；32, wall surface；33, guide surface；4, negative pressure cavity.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1:
The drainage tube that surrounding tissue is destroyed when preventing from extracting as shown in Fig. 1 to 7, including negative inside tube body 1, tube body 1
Pressure chamber 4 and conduction hole 3, conduction hole 3 are made of protrusion 30 and wall surface 32, are formed between protrusion 30 and protrusion 30 and are entered and left for cleaning solution
Opening 31,30 inner end of protrusion be guide surface 33.
Operation consent, drainage tube need to protrude into human body intestinal canal, for cleaning up the fester in human body intestinal canal, then by enteron aisle
Interior fester excludes external.Drainage tube needs are placed in human body intestinal canal for a long time, general standing time: >=12 hours, intestines
For tissue in road in the state for not stopping to breed, surrounding tissue can be bred along the conduction hole 3 that drainage tube periphery opens up arrives tube body 1
Inside, breeding the surrounding tissue part inside tube body 1 will form mushroom, and mushroom surrounding tissue blocks conduction hole 3
Inner opening 31 can become difficult when drainage tube is extracted outward, it is difficult to extract, or even pull off surrounding tissue, enteron aisle is caused to go out
Blood.
As shown in fig. 6, surrounding tissue is bred in the inside of 1 conduction hole 3 of tube body, certain dynamics slowly extracts drainage outward
Pipe, surrounding tissue along the guide surface 33 in conduction hole 3 to relatively moving outside tube body 1, since guide surface 33 is in arc shape,
And the two sides of guide surface 33 are higher than centre, are recessed inwardly among guide surface 33, surrounding tissue relatively moves on guide surface 33
When, guide surface 33 can envelope surrounding tissue, hold surrounding tissue when preventing surrounding tissue from relatively moving and be detached from guide surface 33 or
Person is stuck to play the role of guiding in edge, and the movement of surrounding tissue can be made more smooth, in addition, conduction hole 3
When shape is cylindricality or taper, since 3 inside bore of conduction hole is less than its outside bore, lead to the week bred in tube body 1
It encloses tissue adhension and forms the inside opening 31 that mushroom surrounding tissue blocks conduction hole 3 when on 1 inner wall of tube body, extract outward
When drainage tube, mushroom surrounding tissue can be stuck at the inside opening 31 of conduction hole 3, it is difficult to be fallen off, or even can be pulled off initiation
Bleeding；In the utility model guide surface 33 be by the inside of protrusion 30 to outside towards conduction hole 3 among be inclined to set, be open
The bore of 31 insides is greater than its outside bore, when surrounding tissue is adhered on 1 inner wall of tube body, in the inside opening 31 of major diameter
Under effect, mushroom surrounding tissue relative movement is more smooth, and guide surface 33 is equipped with 1 inner wall of tube body for smooth
The rounding of transition, when surrounding tissue is relatively moved along smooth guide surface 33, friction becomes smaller, resistance is small, the shifting of surrounding tissue
It moves quick and smooth, additionally it is possible to shielding surrounding tissues from and not stabbed.
As shown in figure 3, protrusion 30 is the sheet of thin-walled, relatively moved at 3 outer openings 31 of conduction hole in surrounding tissue,
Protrusion 30 and tube body 1 are structure as a whole, and have certain elastic recovery capability, and 30 intensity of protrusion of thin-walled sheet is lower, week
Protrusion 30 can easily be pushed open by enclosing tissue, and protrusion 30 gradually flips outward, and become larger the opening 31 in 3 outside of conduction hole,
Surrounding tissue relatively moves to smoothly split away off outside tube body 1, when surrounding tissue completely disengages tube body 1, protrusion
30 slowly restore under the action of elastic recovery capability.
The aperture formed in the middle part of protrusion simultaneously is smaller, therefore in the width direction for the granulation tissue that can be formed in the hole
It is smaller, to be rodlike, when drainage tube is extracted, resistance can be smaller (if the granulation tissue originally formed is the shape of mushroom
Shape, that present shape are similar to needle mushroom).
Embodiment 2:
The present embodiment is based on embodiment 1, on the basis of embodiment 1, by what is be recessed inwardly in the middle part of protrusion 30
Enlarged diameter keeps the thickness of the protrusion 30 of arc shape thinning.
As shown in fig. 7, being enclosed the opening 31 entered and left for cleaning solution between adjacent projection 30, and adjacent protrusion 30
The wall surface 32 of composition conduction hole 3 is formed between the bottom connecting with tube body 1, guide surface 33 is drawn by 30 inside to outside direction of protrusion
It is inclined to set among discharge orifice 3, the bore in 31 outside of opening is greater than its inside bore, and guide surface 33 is in arc shape, guide surface
33 two sides are higher than centre, are recessed inwardly among guide surface 33, the diameter of 30 intermediate recess of protrusion is relative to reality in the present embodiment
The diameter ratio for applying 30 intermediate recess of protrusion in example 1 is 3:1.
In this way, the thickness of the protrusion 30 for the enlarged diameter and arc shape being recessed inwardly in the middle part of protrusion 30 is arranged, make
It only needs the power of very little that can push protrusion 30 open when surrounding tissue relatively moves to 3 outer openings 31 of conduction hole easily to pass through, subtract
Small resistance, the process of falling off of surrounding tissue become simpler, easily；And cope with the biggish surrounding group of portion size
It knits, split away off it can equally smoothly.
The above makes preferred embodiments of the present invention, does not depart from for those of ordinary skill in the art
Under the premise of the utility model principle, several variations and modifications can also be made, these also should be regarded as the protection of the utility model
Range.
Claims (6)
1. a kind of drainage tube for destroying surrounding tissue when preventing from extracting, including tube body (1) is opened up on the tube body (1) side wall
There are multiple conduction holes (3) around distribution, tube body (1) inner hollow is negative pressure cavity (4)；It is characterized by:
Multiple protrusions (30) towards conduction hole (3) intermediate projections are equipped in the conduction hole (3), protrusion (30) are along conduction hole
(3) circumferentially distributed, protrusion (30) are enclosed the opening (31) entered and left for cleaning solution, and adjacent protrusion (30) and tube body
(1) wall surface (32) of composition conduction hole (3) is formed between the bottom connected, the one side of protrusion (30) towards negative pressure cavity (4) is just
In the smooth guide surface (33) to fall off of surrounding tissue, the guide surface (33) by the inside of protrusion (30) to outside towards conduction hole
(3) intermediate to be inclined to set, the bore on the inside of opening (31) is greater than its outside bore.
2. a kind of drainage tube for preventing from destroying surrounding tissue when extraction according to claim 1, it is characterised in that: described convex
Portion (30) is the sheet of thin-walled, and protrusion (30) are structure as a whole with tube body (1).
3. a kind of drainage tube for preventing from destroying surrounding tissue when extraction according to claim 1, it is characterised in that: described
Protrusion (30) is round, ellipse or curved form.
4. a kind of drainage tube for preventing from destroying surrounding tissue when extraction according to claim 1, it is characterised in that: described to lead
It is in arc shape to face (33), the two sides of guide surface (33) are higher than centre, are recessed inwardly among guide surface (33).
5. a kind of drainage tube for preventing from destroying surrounding tissue when extraction according to claim 4, it is characterised in that: described
Guide surface (33) surface is smooth, and guide surface (33) and tube body (1) inner wall are equipped with the rounding for smoothly transitting.
6. a kind of drainage tube for preventing from destroying surrounding tissue when extraction according to claim 1 or 2, it is characterised in that:
The face that the protrusion (30) is located on the outside of tube body (1) is for the same side with tube body (1) surface, and protrusion (30) lateral surface and tube body
(1) curved surface direction on surface is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255879.XU CN208693997U (en) | 2017-09-28 | 2017-09-28 | A kind of drainage tube for preventing from destroying surrounding tissue when extraction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721255879.XU CN208693997U (en) | 2017-09-28 | 2017-09-28 | A kind of drainage tube for preventing from destroying surrounding tissue when extraction |
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| Publication Number | Publication Date |
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| CN208693997U true CN208693997U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670160A (en) * | 2017-09-28 | 2018-02-09 | 杭州市第人民医院 | The drainage tube of surrounding tissue is destroyed when preventing from extracting |
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- 2017-09-28 CN CN201721255879.XU patent/CN208693997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107670160A (en) * | 2017-09-28 | 2018-02-09 | 杭州市第人民医院 | The drainage tube of surrounding tissue is destroyed when preventing from extracting |
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