CN2292570Y - Heart drainage tube - Google Patents
Heart drainage tube Download PDFInfo
- Publication number
- CN2292570Y CN2292570Y CN 96222254 CN96222254U CN2292570Y CN 2292570 Y CN2292570 Y CN 2292570Y CN 96222254 CN96222254 CN 96222254 CN 96222254 U CN96222254 U CN 96222254U CN 2292570 Y CN2292570 Y CN 2292570Y
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- CN
- China
- Prior art keywords
- tube
- plastic
- stainless steel
- heart
- diameter
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a heart drainage tube. The existing heart operation drainage tubes are metal tubes and plastic tubes. The metal tubes are rigid and hard, and heart muscle is easy to injure. The plastic tubes are too soft and are uneasy to shape. The utility model uses a plastic hollow tube, and double cavities are arranged in the hollow tube. A soft stainless steel wire is inserted in an eccentric hole cavity, or a soft stainless steel wire is embedded in the wall of the hollow tube. One end of the hollow tube is hollow, which is convenient for sucking blood. The other end is connected with a three-way tube which can charge air and complement liquid from time to time. The utility model solves the defect of the existing simple straight tubes that the use is inconvenient and unsafe.
Description
This utility model is a kind of blood drainage pipe that is used for open heart operations.
In open heart operations general all will be under the effect of suction pump with drainage tube with blood sucking-off in the atrium.Present drainage tube is metal hollow straight tube or plastic hollow straight tube, because the heart internal organs are that the crucial device of human body is dirty, its structure is complicated again, manage stiff hard with gold, very easily damage heart, though and the softer difficult typing of plastic tube has come inconvenience for the operation thing, drain is to carry out under negative pressure in addition, is easily bitten by the wall of the heart tissue when the too big drain mouth of pipe of negative pressure is sucked blood.Neither injury of myocardium can be intended to orientation by the operator again and enter the atrium, and reduces the vacuum that negative pressure causes at any time, is the problem that the operation on heart doctor extremely pays close attention to.
This utility model designs a kind of not only easy orientation but also also can reduce the heart drainage tube that negative pressure causes vacuum at any time to the human internal organ not damaged.
Heart drainage tube of the present utility model, mainly be plastic tube, stainless steel silk and tee T are formed, and plastic tube is a two-chamber, the one, drainage lumens, another is eccentric vestibule, and the diameter of plastic tube is 3.0-10.0mm, and the eccentric vestibule diameter in it is 0.40-2.0mm, the eccentric orfice intracavity is inserted a soft attitude stainless steel silk, the stainless steel silk diameter is 0.35-1.90mm, must can insert less than eccentric vestibule, makes random shape plastic tube can be the intubate of any bending and typing after steel wire is inserted.Can make the two-chamber plastic tube when plastic granule extrusion molding plastic tube during making, a chamber is a drainage tube, and another is for inserting the eccentric vestibule of steel wire.
Soft attitude stainless steel silk of the present utility model also can be inlaid into the hollow tube wall of plastic tube, plastic hollow pipe diameter 3.0-10.0mm, soft attitude stainless steel silk diameter 0.4-2.0mm.
No matter be the drainage tube of dual-chamber type or mosaic, it enters heart one end all must seal into hemispherical, in order to avoid there is corner angle damage human body device dirty, this end must have aperture in no steel wire one side, aperture 1.0-3.0mm, and 2-10 hole is enough, in order to drain blood, its other end opening inserts tee T, this tee T is responsible for and is inserted suction pump, and arm is normally closed, just producing high negative pressure, bitten by wall of the heart when the drain mouth of pipe is sucked blood, promptly open arm, put into little air to reduce high negative pressure.Or can add from arm when needing liquid feeding.Plastic hollow pipe diameter can provide different bores according to different patients.
Soft attitude stainless steel silk of the present utility model can be straight type, also can be screw type, and directly type is easy to make, and screw type is very not complicated when making yet.
Tee T arm of the present utility model is normally closed, can be with nut formula sealing, also can be with making the disjunctor plug with the same material of tee T, and open and close conveniently are difficult for losing.
It can be non-toxic materials such as polyethylene, polrvinyl chloride, polypropylene or silicone rubber that hollow plastic pipe of the present utility model is made material.Pipe range 200-600mm gets final product, and stainless steel silk is as long as inserting one of plastic hollow Guan Erfen locates, in the plastic hollow pipe of outer body without stainless steel silk.
Heart drainage tube of the present utility model since in soft attitude stainless steel silk is arranged, therefore can arbitrarily curve various angles, be convenient to operator safety, complicated and important each position of heart of insert structure easily, but plastic hollow pipe afterbody inserts the three way cock of an adjustable pressure and liquid feeding in addition, bite in case knitted by the wall of the heart level when drain mouth of pipe is sucked blood, can open tee branch, put into little air reducing negative pressure, also can be when needing from liquid feeding here.This drainage tube is easy to make, and is safe in utilization.
Figure one is straight shape steel wire drainage tube.
Figure two is spiral wire drainage tubes.
Figure three is threeway nut formula switches.
Figure four is threeway self-sealing switches.
Embodiment one:
On extruder, pull out the double-cavity pipe that diameter is 5mm with polyvinyl chloride granules, hollow diameters 3mm, eccentric orfice diameter 0.6mm is cut into the long strip of 300mm with the pipeline of making, be 0 with a diameter again, 55mm, long for the soft attitude stainless steel silk of 150mm inserts inclined to one side hole, will add near an end of steel wire then to seal into hemispherical, the one side of avoiding steel wire again on tube wall becomes an angle of 90 degrees to make a call to three row's side openings, three apertures of every row.At last load onto the three way cock, so far, can just finish by curved heart drainage tube for one at the other end of pipeline.
Claims (4)
1. heart drainage tube, form by plastic tube, stainless steel silk and tee T, it is characterized in that plastic tube is a two-chamber, i.e. drainage lumens (1) and eccentric vestibule (2), the diameter of plastic tube is 3.0-10.0mm, eccentric vestibule diameter is 0.4-2.0mm, the eccentric orfice intracavity has soft attitude stainless steel silk (3), and its diameter is 0.35-1.90mm, and plastic tube one end seals into hemispherical, this end drainage lumens tube wall has 2-10 aperture (4), and the plastic tube other end is connected to tee T (5).
2. heart drainage tube according to claim 1, it is characterized in that soft attitude stainless steel silk is to embed single chamber plastic hollow tube wall, plastic hollow pipe diameter 3.0-10.0mm, soft attitude stainless steel silk diameter 0.4-2.0mm, plastic tube one end seals into round end, this end tube wall has 2-10 aperture, and the plastic tube other end is connected to tee T.
3. heart drainage tube according to claim 1 is characterized in that soft attitude stainless steel silk can be straight type, also can be screw type (6).
4. heart drainage tube according to claim 1, the arm that it is characterized in that tee T can be nut formula (7) sealings, also can be the disjunctor plugs (8) of self-closed type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96222254 CN2292570Y (en) | 1996-11-15 | 1996-11-15 | Heart drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96222254 CN2292570Y (en) | 1996-11-15 | 1996-11-15 | Heart drainage tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292570Y true CN2292570Y (en) | 1998-09-30 |
Family
ID=33901833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96222254 Expired - Fee Related CN2292570Y (en) | 1996-11-15 | 1996-11-15 | Heart drainage tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292570Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667409A (en) * | 2015-01-29 | 2015-06-03 | 浙江大学 | Anti-squeezing drainage tube and method for manufacturing same |
| CN107648721A (en) * | 2017-09-06 | 2018-02-02 | 南通伊诺精密塑胶导管有限公司 | A kind of anti-folding guiding catheter of high flow capacity |
-
1996
- 1996-11-15 CN CN 96222254 patent/CN2292570Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667409A (en) * | 2015-01-29 | 2015-06-03 | 浙江大学 | Anti-squeezing drainage tube and method for manufacturing same |
| CN104667409B (en) * | 2015-01-29 | 2017-11-10 | 浙江大学 | Anti-extrusion drainage tube and its manufacture method |
| CN107648721A (en) * | 2017-09-06 | 2018-02-02 | 南通伊诺精密塑胶导管有限公司 | A kind of anti-folding guiding catheter of high flow capacity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |