CN107670160A - The drainage tube of surrounding tissue is destroyed when preventing from extracting - Google Patents
The drainage tube of surrounding tissue is destroyed when preventing from extracting Download PDFInfo
- Publication number
- CN107670160A CN107670160A CN201710895115.5A CN201710895115A CN107670160A CN 107670160 A CN107670160 A CN 107670160A CN 201710895115 A CN201710895115 A CN 201710895115A CN 107670160 A CN107670160 A CN 107670160A
- Authority
- CN
- China
- Prior art keywords
- convex portion
- surrounding tissue
- conduction hole
- drainage tube
- spigot surface
- 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
Links
Classifications
-
- 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
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
-
- 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
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The invention discloses the drainage tube that surrounding tissue is destroyed when preventing from extracting, including body, multiple conduction holes around distribution are offered on described tube wall, hollow tubular body is negative pressure cavity;Described conduction hole is mainly made up of multiple convex portions towards conduction hole intermediate projections, convex portion is circumferentially distributed along conduction hole, the opening to be formed and be come in and gone out for cleaning fluid is enclosed between adjacent projection, and the wall of composition conduction hole is formed between adjacent convex portion and the bottom of body connection, convex portion is provided with towards the one side of negative pressure cavity is easy to the smooth spigot surface to come off of surrounding tissue, the spigot surface by the inside of convex portion to outside towards conduction hole among be inclined to set, the bore of open outer side is more than its inner side bore;Growth can be made smoothly to be split away off in the surrounding tissue of tubular body, the withdrawal process of double-jacket tube becomes simple, will not bring discomfort to human body.
Description
Technical field
The present invention relates to technical field of medical instruments, the drainage tube of destruction surrounding tissue when specially preventing from extracting.
Background technology
Surgical drainage is one of indispensable measure of many diseases of clinical treatment, such as Post operation previous anastomotic and art area
Drainage, the drainage of abscess cavity.The purpose of surgical drainage is to guide the purulence between tissue or in body cavity, blood, liquid to external,
Prevent Post operation from influenceing wound healing.
The surgical drainage tube species clinically applied is a lot, and conventional drainage tube mainly has 4 classes:Penrose is drained, enclosed
Penrose is drained, closed drainage and set Tube Drain.Penrose drainages are with U.S. gynaecologist
CharlesBinghamPenrose (1862-1925) naming, its structure is soft rubber tube or silicone tube, with
It is approximate to be positioned over subcutaneous hollow flow guiding structure, using the siphon principle draining fluids of capillary, therefore is passively to drain, easily
Block.Because it is open drainage, retrograde infection can be also caused.To avoid retrograde infection caused by Penrose is drained, Ke Yi
Penrose one end connects the drainage bag of closing, or even covers ostomy bag, it is hedged off from the outer world, and referred to as enclosed Penrose draws
Stream.Clinical once widely used cigarette drain is because meche therein is easy to be condensed by the fibrin in intraperitoneal drainage liquid
Thing blocks, and effect extreme difference, has been eliminated.Digestive juice, peritoneal fluid, fester, otch diffusate etc. can be drained to body by drainage tube
Outside, adhesion is reduced, promotes healing, when patient needs to use drainage tube, it is necessary to pay attention to nursing.
Wherein, the conduction hole that surgical drainage tube wall is set is mostly cylindrical hole or bellmouth, because drainage tube stretches into
Residence time is longer in human body intestinal canal, and general >=12 hours, the intestinal tissue in enteron aisle ceaselessly grows, and intestinal tissue can edge
The conduction hole taste for the cylindricality set on drainage tube wall or taper reaches tubular body, the purulence that drainage tube has been cleaned in enteron aisle
, it is necessary to carry out surgical work during liquid, during drainage tube is extracted, the mushroom intestinal tissue in part can be blocked in conduction hole
The opening of side, due to being come off on the inside of cylindricality or the conduction hole of taper without the intestinal tissue for growing from tubular body is smooth
The spigot surface or path of navigation to get off, and interior side opening bore is less than outside bore, and intestinal tissue can be stuck in body
It is internal, it is difficult to split away off, cause if continuing extraction drainage tube and may pull off growth in the intestinal tissue of tubular body
Blood, discomfort is brought to human body, may trigger other symptom under serious conditions.
The content of the invention
The drainage tube of surrounding tissue is destroyed when preventing from extracting the invention aims to provide, growth can be made in body
Internal surrounding tissue is smoothly split away off, and the withdrawal process of drainage tube becomes simple, will not bring discomfort to human body.
In order to realize foregoing invention purpose, present invention employs following technical scheme:Prevent from destroying surrounding tissue when extracting
Drainage tube, including body, offer multiple conduction holes around distribution on described tube wall, hollow tubular body is negative
Press chamber;Being formed in described conduction hole provided with multiple convex portions towards conduction hole intermediate projections, convex portion is circumferentially distributed along conduction hole,
The opening to be formed and be come in and gone out for cleaning fluid is enclosed between adjacent projection, and is formed between adjacent convex portion and the bottom of body connection
Form conduction hole wall, convex portion towards negative pressure cavity one side for ease of the smooth spigot surface to come off of surrounding tissue, the guiding
Face by the inside of convex portion to outside towards conduction hole among be inclined to set, the bore of opening inner side is more than its outside bore.
Preferably, the convex portion is the sheet of thin-walled, and convex portion is structure as a whole with body, and convex portion is circular, ellipse
Circular or curved;When surrounding tissue on the inside of conduction hole by outwards relatively moving, surrounding tissue can easily push thin-walled open
The convex portion of sheet, the opening of conduction hole is set to become big, surrounding tissue smoothly can be split away off out of body, suitable in surrounding tissue
Profit is out of body when splitting away off, the convex portion of thin-walled sheet can Rapid reset, and convex portion is structure as a whole with body, processes
It is convenient to manufacture, and the convex portion of circular, ellipse or curved is streamlined good, smooth, will not stab surrounding tissue and be brought to human body
It is uncomfortable.
Because surrounding tissue is generally irregular shape, if spigot surface is smooth face, one side surrounding tissue with
The contact area of spigot surface is inadequate, and surrounding tissue can be swung when facing out relative movement along guiding, it is impossible to very well along leading
Moved to face, cause surrounding tissue to be stuck in edge in relative movement thereof, preferably, the spigot surface is in arc
Face shape, the both sides of spigot surface are higher than centre, caved inward among spigot surface;Contact surface between surrounding tissue and spigot surface becomes
It is more, irregular surrounding tissue can be preferably accommodated, spigot surface is held surrounding tissue in the shape of clad type, spigot surface draws
Lead surrounding tissue smoothly to move, solve the swing of surrounding tissue and the stuck phenomenon in edge.
Smooth as preferential, described spigot surface surface, spigot surface is provided with to fall for what is smoothly transitted with inboard wall of tube body
Circle;Surrounding tissue along smooth spigot surface relatively move when, friction diminishes, resistance reduces, the movement of surrounding tissue it is quick and
Smooth, the rounding of spigot surface and inboard wall of tube body Smooth transition shieldings surrounding tissues from not stabbed on the move, equally may be used in addition
In order to the movement of surrounding tissue.
When drainage tube is stretched into enteron aisle, if there is the part of projection on the outer surface of body, cause the outer surface of body not
Finishing, drainage tube can be stuck in the interior tissue of enteron aisle during enteron aisle is stretched into, and resistance becomes big, the movement of drainage tube becomes
Extremely difficult, as preferential, it be the same face that the convex portion, which is located at face on the outside of body and tube surfaces, and convex portion lateral surface with
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, the drainage tube that surrounding tissue is destroyed when preventing from extracting of above-mentioned technical proposal, tool are employed
Have the advantages that:
First, surrounding tissue along the spigot surface on convex portion relatively move when, it is smooth, resistance is small, surrounding tissue is from body
Coming off becomes simple, is easy to the operation of healthcare givers.
2nd, the spigot surface of arc shape can preferably envelope surrounding tissue, and holding surrounding tissue prevents it from swinging card
Extremely in conduction hole edge, it can equally make the relative movement of surrounding tissue become smooth.
3rd, convex portion is the sheet of thin-walled, and surrounding tissue can easily push convex portion open, turned-out at the outer openings of convex portion
Turn, conduction hole outer openings bore is become big, surrounding tissue can easily be split away off.
4th, due to being provided with convex portion outside conduction hole, convex portion has certain barrier effect to conduction hole, can be in little Cheng
Prevent surrounding tissue from growing into drainage tube on degree, form mushroom surrounding tissue, avoid drainage tube from triggering when extracted
The secondary destruction of surrounding tissue;The aperture granulation tissue that is smaller, therefore being formed in the hole formed simultaneously in the middle part of convex portion
Width on it is smaller, to be bar-shaped, when drainage tube is extracted, resistance can be smaller.
In the present invention, the drainage tube of description is a kind of basic abdominal cavity medicine equipment, and drainage tube also has device as multiple types
Tool or based on the medicine equipment based on drainage tube, such as double-jacket tube.
Brief description of the drawings
Fig. 1 is the sectional view for the drainage tube embodiment 1 that surrounding tissue is destroyed when the present invention prevents from extracting;
Fig. 2 is the structural representation for the drainage tube body that surrounding tissue is destroyed when preventing from extracting in the present embodiment;
Fig. 3 is the structural representation of convex portion in the present embodiment 1.
Fig. 4 is the partial enlarged drawing at B in the Fig. 2 of the present embodiment 1;
Fig. 5 is the internal structure schematic diagram of conduction hole in the present embodiment 1;
Fig. 6 is the partial enlarged drawing at A in the Fig. 1 of the present embodiment 1;
Fig. 7 is the structural representation of conduction hole in the present embodiment 2.
Reference:1st, body;3rd, conduction hole;30th, convex portion;31st, it is open;32nd, wall;33rd, spigot surface;4th, negative pressure cavity.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Embodiment 1:
The drainage tube that surrounding tissue is destroyed when preventing from extracting as shown in Fig. 1 to 7, including it is negative inside body 1, body 1
Pressure chamber 4 and conduction hole 3, conduction hole 3 are made up of convex portion 30 and wall 32, are formed between convex portion 30 and convex portion 30 and are come in and gone out for cleaning fluid
Opening 31, the inner of convex portion 30 is spigot surface 33.
Operation consent, drainage tube need to be stretched into human body intestinal canal, for the fester in human body intestinal canal to be cleaned up, then by enteron aisle
Interior fester excludes external.Drainage tube needs to be 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 grow, surrounding tissue can grow along the conduction hole 3 that drainage tube periphery opens up arrives body 1
Inside, mushroom can be formed by growing the surrounding tissue part inside body 1, and mushroom surrounding tissue blocks conduction hole 3
Inside opening 31, it can become difficult when drainage tube is outwards extracted, it is difficult to extract, or even pull off surrounding tissue, cause enteron aisle to go out
Blood.
As shown in fig. 6, surrounding tissue is grown in the inside of the conduction hole 3 of body 1, outwards necessarily dynamics slowly extracts drainage
Pipe, surrounding tissue along the spigot surface 33 in conduction hole 3 to body 1 outside relatively move, because spigot surface 33 is in arc shape,
And the both sides of spigot surface 33 are higher than centre, are caved inward among spigot surface 33, surrounding tissue relatively moves on spigot surface 33
When, spigot surface 33 can envelope surrounding tissue, hold surrounding tissue prevent when surrounding tissue from relatively moving depart from spigot surface 33 or
Person is stuck in edge, plays a part of guiding, and the movement of surrounding tissue can be made more smooth, in addition, conduction hole 3
When being shaped as cylindricality or taper, because the inner side bore of conduction hole 3 is less than its outside bore, cause the week grown in body 1
Enclose tissue adhension and the interior side opening 31 that mushroom surrounding tissue blocks conduction hole 3 is formed when on the inwall of body 1, outwards extract
During drainage tube, mushroom surrounding tissue can be stuck at the interior side opening 31 of conduction hole 3, it is difficult to come off, or even can be pulled off initiation
Bleeding;In the present invention spigot surface 33 by the inner side of convex portion 30 to outside towards conduction hole 3 among be inclined to set, in opening 31
The bore of side is more than its outside bore, when surrounding tissue is adhered on the inwall of body 1, in the effect of the interior side opening 31 of major diameter
Under, mushroom surrounding tissue relative movement is more smooth, and spigot surface 33 is provided with the inwall of body 1 and is used to smoothly transit
Rounding, surrounding tissue along smooth spigot surface 33 relatively move when, friction diminishes, resistance is small, and the movement of surrounding tissue is fast
It is fast and smooth, additionally it is possible to shielding surrounding tissues from not stabbed.
As shown in figure 3, convex portion 30 is the sheet of thin-walled, relatively moved in surrounding tissue at the outer openings 31 of conduction hole 3,
Convex portion 30 and body 1 are structure as a whole, and have certain elastic recovery capability, and the intensity of convex portion 30 of thin-walled sheet is relatively low, week
Convex portion 30 can easily be pushed open by enclosing tissue, and convex portion 30 gradually flips over, and become larger the opening 31 in the outside of conduction hole 3,
Surrounding tissue relatively moves to the outside of body 1 so as to smoothly split away off, when surrounding tissue completely disengages body 1, convex portion
30 slowly restore in the presence of elastic recovery capability.
The aperture formed simultaneously in the middle part of convex portion is smaller, therefore on the width for the granulation tissue that can be formed in the hole
It is smaller, to be bar-shaped, 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 asparagus).
Embodiment 2:
The present embodiment is based on embodiment 1, and on the basis of embodiment 1, the middle part of convex portion 30 is caved inward
Enlarged diameter, make the thickness of the convex portion 30 of arc shape thinning.
As shown in fig. 7, the opening 31 to be formed and be come in and gone out for cleaning fluid is enclosed between adjacent projection 30, and adjacent convex portion 30
The wall 32 of composition conduction hole 3 is formed between the bottom being connected with body 1, spigot surface 33 is drawn by the inner side of convex portion 30 to outside direction
It is inclined to set among discharge orifice 3, the bore in the outside of opening 31 is more than its inner side bore, and spigot surface 33 is in arc shape, spigot surface
33 both sides are higher than centre, are caved inward among spigot surface 33, the diameter of the intermediate recess of convex portion 30 is relative to reality in the present embodiment
The diameter ratio for applying the intermediate recess of convex portion 30 in example 1 is 3:1.
So, the enlarged diameter and the thickness of the convex portion 30 of arc shape to be caved inward to the middle part of convex portion 30 is set, and is made
The power of very little is only needed when surrounding tissue relatively moves to 3 outer openings 31 of conduction hole with regard to convex portion 30 can be pushed open easily by subtracting
Small resistance, the process of coming off of surrounding tissue become simpler, easily;And cope with portion size it is larger around group
Knit, it equally can be smoothly split away off.
It is described above to make the preferred embodiment of the present invention, this hair is not departed from for the person of ordinary skill of the art
On the premise of bright principle, some variations and modifications can also be made, these also should be regarded as protection scope of the present invention.
Claims (6)
1. destroy the drainage tube of surrounding tissue when preventing from extracting, including body (1), offer in described body (1) side wall more
The individual conduction hole (3) around distribution, body (1) inner hollow is negative pressure cavity (4);It is characterized in that:
It is provided with multiple convex portions (30) towards conduction hole (3) intermediate projections in described conduction hole (3), convex portion (30) are along conduction hole
(3) circumferentially distributed, convex portion (30) enclose the opening (31) to be formed and be come in and gone out for cleaning fluid, and adjacent convex portion (30) and body
(1) form the wall (32) of composition conduction hole (3) between the bottom of connection, convex portion (30) towards negative pressure cavity (4) one side for just
In the smooth spigot surface (33) to come off of surrounding tissue, the spigot surface (33) by the inside of convex portion (30) to outside towards conduction hole
(3) it is inclined to set among, the bore on the inside of opening (31) is more than its outside bore.
2. the drainage tube according to claim 1 for preventing from destroying surrounding tissue during extraction, it is characterised in that:The convex portion
(30) it is the sheet of thin-walled, and convex portion (30) are structure as a whole with body (1).
3. the drainage tube according to claim 1 for preventing from destroying surrounding tissue during extraction, it is characterised in that:Described convex portion
(30) it is circular, ellipse or curved.
4. the drainage tube according to claim 1 for preventing from destroying surrounding tissue during extraction, it is characterised in that:The spigot surface
(33) it is in arc shape, higher than centre, spigot surface (33) is middle to cave inward for the both sides of spigot surface (33).
5. the drainage tube according to claim 4 for preventing from destroying surrounding tissue during extraction, it is characterised in that:Described guiding
Face (33) surface is smooth, and spigot surface (33) is provided with the rounding for being used for smoothly transitting with body (1) inwall.
6. the drainage tube that surrounding tissue is destroyed when preventing from extracting according to claims 1 or 2, it is characterised in that:It is described
It is the same face that convex portion (30), which is located at face on the outside of body (1) and body (1) surface, and convex portion (30) lateral surface and body (1)
The curved surface direction on surface is concordant.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710895115.5A CN107670160B (en) | 2017-09-28 | 2017-09-28 | Drainage tube for preventing surrounding tissues from being damaged during pulling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710895115.5A CN107670160B (en) | 2017-09-28 | 2017-09-28 | Drainage tube for preventing surrounding tissues from being damaged during pulling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107670160A true CN107670160A (en) | 2018-02-09 |
CN107670160B CN107670160B (en) | 2023-06-16 |
Family
ID=61138178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710895115.5A Active CN107670160B (en) | 2017-09-28 | 2017-09-28 | Drainage tube for preventing surrounding tissues from being damaged during pulling |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107670160B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108379677A (en) * | 2018-05-09 | 2018-08-10 | 焦若涵 | Negative pressure drainage device |
CN110496293A (en) * | 2019-08-19 | 2019-11-26 | 张曦 | A kind of improved Anti-pressure drainage tube |
USD967403S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967407S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967405S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967406S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967404S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398910A (en) * | 1981-02-26 | 1983-08-16 | Blake L W | Wound drain catheter |
EP0608846A2 (en) * | 1993-01-28 | 1994-08-03 | Gadi Porat | A medical drain |
JPH08206219A (en) * | 1995-02-01 | 1996-08-13 | Sumitomo Bakelite Co Ltd | Drain tube for medical treatment |
US6099513A (en) * | 1996-08-27 | 2000-08-08 | Allegiance Corporation | Wound drain with alternating perimetrically arranged lumens and ducts |
US20040006331A1 (en) * | 2002-07-04 | 2004-01-08 | Semyon Shchervinsky | Drain catheters |
US20090005762A1 (en) * | 2007-06-26 | 2009-01-01 | Vasu Nishtala | Bioabsorbable Drain Tube |
CN201719676U (en) * | 2009-09-08 | 2011-01-26 | 武汉维斯第医用科技有限公司 | Body surface tissue negative pressure closed drainage system |
CN103272321A (en) * | 2013-05-30 | 2013-09-04 | 中南大学湘雅三医院 | Body cavity drainage tube suit |
CN104014068A (en) * | 2014-06-09 | 2014-09-03 | 杭州雲林医疗科技有限公司 | Double-sleeve type drainage pipe easy to replace |
CN204655764U (en) * | 2015-04-09 | 2015-09-23 | 广州新诚生物科技有限公司 | Novel anti-blockage formula cross drainage tube |
CN206239873U (en) * | 2016-08-29 | 2017-06-13 | 张小曦 | For urine drainage and the Novel urethral catheter of urethral secretions drainage |
CN208693997U (en) * | 2017-09-28 | 2019-04-05 | 杭州市第一人民医院 | A kind of drainage tube for preventing from destroying surrounding tissue when extraction |
-
2017
- 2017-09-28 CN CN201710895115.5A patent/CN107670160B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398910A (en) * | 1981-02-26 | 1983-08-16 | Blake L W | Wound drain catheter |
EP0608846A2 (en) * | 1993-01-28 | 1994-08-03 | Gadi Porat | A medical drain |
JPH08206219A (en) * | 1995-02-01 | 1996-08-13 | Sumitomo Bakelite Co Ltd | Drain tube for medical treatment |
US6099513A (en) * | 1996-08-27 | 2000-08-08 | Allegiance Corporation | Wound drain with alternating perimetrically arranged lumens and ducts |
US20040006331A1 (en) * | 2002-07-04 | 2004-01-08 | Semyon Shchervinsky | Drain catheters |
US20090005762A1 (en) * | 2007-06-26 | 2009-01-01 | Vasu Nishtala | Bioabsorbable Drain Tube |
CN201719676U (en) * | 2009-09-08 | 2011-01-26 | 武汉维斯第医用科技有限公司 | Body surface tissue negative pressure closed drainage system |
CN103272321A (en) * | 2013-05-30 | 2013-09-04 | 中南大学湘雅三医院 | Body cavity drainage tube suit |
CN104014068A (en) * | 2014-06-09 | 2014-09-03 | 杭州雲林医疗科技有限公司 | Double-sleeve type drainage pipe easy to replace |
CN204655764U (en) * | 2015-04-09 | 2015-09-23 | 广州新诚生物科技有限公司 | Novel anti-blockage formula cross drainage tube |
CN206239873U (en) * | 2016-08-29 | 2017-06-13 | 张小曦 | For urine drainage and the Novel urethral catheter of urethral secretions drainage |
CN208693997U (en) * | 2017-09-28 | 2019-04-05 | 杭州市第一人民医院 | A kind of drainage tube for preventing from destroying surrounding tissue when extraction |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108379677A (en) * | 2018-05-09 | 2018-08-10 | 焦若涵 | Negative pressure drainage device |
CN110496293A (en) * | 2019-08-19 | 2019-11-26 | 张曦 | A kind of improved Anti-pressure drainage tube |
USD967403S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967407S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967405S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967406S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
USD967404S1 (en) | 2021-04-16 | 2022-10-18 | Hollister Incorporated | Urinary catheter |
Also Published As
Publication number | Publication date |
---|---|
CN107670160B (en) | 2023-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107670160A (en) | The drainage tube of surrounding tissue is destroyed when preventing from extracting | |
US5078688A (en) | Paracentesis catheter system | |
RU62504U1 (en) | MEDIUM DRAINING DEVICE | |
CN104941015B (en) | Three chamber negative pressure wound irrigation drainage tubes | |
CN103893839B (en) | The anti-blocking o urethral catheterization device of pressure measurement noinvasive | |
US8858535B2 (en) | Catheter | |
CN106492295B (en) | For ductus pancreaticus supporting drainage and the integral type drainage tube of pancreas Zhou Yinliu | |
CN107050628A (en) | A kind of mammary gland inflammatory disease is rinsed, the dual-purpose pipe of drainage | |
CN208693997U (en) | A kind of drainage tube for preventing from destroying surrounding tissue when extraction | |
CN204134011U (en) | A kind of biliary tract anti-reflux drainage catheter | |
CN209033292U (en) | A kind of pleural/abdominal cavity drainage tube | |
CN107485757B (en) | Novel indwelling needle | |
CN217311323U (en) | Drainage catheter and device are washed in abscess integration | |
CN106215255B (en) | A kind of drainage tube and its application method with puncture needle | |
CN206777604U (en) | A kind of New drainage tube | |
CN207384526U (en) | Novel body cavity water-spreading tube | |
CN209500431U (en) | Lower resistance batching pig and lower resistance venous detaining needle | |
CN206214484U (en) | A kind of drainage tube with puncture needle | |
CN208541366U (en) | A kind of plugging device with guidewire lumen | |
CN208525636U (en) | Novel curved surface porous urinary catheter | |
CN212700042U (en) | Anti-backflow drainage tube for interventional therapy of ultrasonic endoscope | |
CN107670128A (en) | A kind of drainage tube that can expand enteron aisle comprehensively | |
RU58365U1 (en) | DRAINAGE FOR DRAINING ABCESSES OF THE ABDOMINAL CAVITY AND FOREIGN SPACE | |
CN206007774U (en) | Abdominal operation drainage tube | |
CN206482960U (en) | A kind of soft and slender kidney fistulization drainage catheter in end |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |