CN203898899U - Catheter for preventing and treating air embolism - Google Patents
Catheter for preventing and treating air embolism Download PDFInfo
- Publication number
- CN203898899U CN203898899U CN201420303912.1U CN201420303912U CN203898899U CN 203898899 U CN203898899 U CN 203898899U CN 201420303912 U CN201420303912 U CN 201420303912U CN 203898899 U CN203898899 U CN 203898899U
- Authority
- CN
- China
- Prior art keywords
- ventilation part
- blocks water
- guide portion
- air embolism
- conduit
- 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
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a catheter, in particular to a catheter for preventing and treating an air embolism, and belongs to the technical field of medical instruments. According to the technical scheme, the catheter for preventing and treating the air embolism comprises a catheter body; the catheter body comprises a guide portion and a water blocking ventilation portion connected to the end of the guide portion, and a pipe cavity of the water blocking ventilation portion is communicated with a pipe cavity of the guide portion. A catheter body is placed in a blood vessel through the water blocking ventilation portion, when the air embolism occurs, air in the blood vessel is sucked out through the characteristic of the water blocking ventilation portion and negative pressure in the water blocking ventilation portion, the liquid supplementing operation can be carried out through an infusion one-way valve, and the water blocking ventilation portion is connected to a negative pressure device to prevent and treat the air embolism. The catheter is compact in structure and extremely low in cost, and the blank that the active exhaust treatment means for the critical disease, the air embolism, is lacked is filled up.
Description
Technical field
This utility model relates to a kind of conduit, and especially a kind of conduit of preventing and treating air embolism belongs to the technical field of medical apparatus and instruments.
Background technology
At present, enter the air tap Cezanne that blood circulation causes lack effective treatment means for air, in the time that air enters blood circulation, primary treatment scheme is: stopping infusion immediately, put patient in left lateral position.Float to right ventricular apex portion because this position is conducive to gas, avoid blocking pulmonary orifice, thereby prevent thromboembolism.Along with heartbeat, air is blended together foam again, and gradation enters in pulmonary artery in a small amount.
And the means of pre-anti-air embolism are also to avoid air to enter blood circulation, these means are initiatively, but also have limitation.Be difficult to carry out for these means of some situation, as: fixing in seat craniocerebral operations, large fracture operation, to accompany the opening damage of large vein dyspnea person and the personnel's of diving work bends.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of conduit of preventing and treating air embolism, its compact conformation, can before air embolism occurs, there is preventive effect, and have therapeutical effect, wide accommodation after air embolism occurs, easy to use, safe and reliable.
The technical scheme providing according to this utility model, the conduit of described control air embolism, comprises catheter body; Described catheter body comprises guide portion and is connected in the ventilation part that blocks water of described guide portion end, described in the block water tube chamber of ventilation part and the tube chamber of guide portion be connected.
The described ventilation part that blocks water adopts the gas permeable material that blocks water to make.
The described ventilation part that blocks water comprises the air-vent of plugging in skirt and connecting described plug in skirt, and described air-vent is connected with the tube chamber of plug in skirt; On plug in skirt, the air-permeable layer that blocks water covering on described air-vent is set.
The end, one end of described guide portion is provided with negative pressure jointing, is provided with transfusion one-way valve in the end of the ventilation part that blocks water.
The outside of described catheter body is provided with liquid supplementation pipe, and the end, one end of described liquid supplementation pipe forms fluid infusion inlet, and other end end forms fluid infusion outlet.
In described guide portion, be provided with ventilative check valve or unidirectional gas barrier plate.The described ventilation part that blocks water adopts anticoagulant processing.On the guide portion of described catheter body and the ventilation part that blocks water, developing line is all set.
Advantage of the present utility model: catheter body is inserted in blood vessel by the ventilation part that blocks water, in the time there is air embolism, the block water characteristic of ventilation part and the intraluminal negative pressure of the ventilation part that blocks water of utilization is attracted out the air in blood vessel, utilize transfusion one-way valve can carry out fluid infusion operation, and fluid infusion can be prevented by the ventilation part that blocks water time, produce air embolism, can before occurring, air embolism there is preventive effect, connect negative pressure device by the ventilation part that blocks water and can prevent and treat air embolism, its compact conformation, cost is extremely low, fill up the blank lacking for this critical disease initiative exhaust treatment means of air embolism.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that this utility model arranges transfusion one-way valve.
Fig. 3 be this utility model block water ventilation part one implement structure chart.
Fig. 4 is the structural representation that liquid supplementation pipe is set on this utility model catheter body.
Fig. 5 is that the another kind of this utility model catheter body and liquid supplementation pipe is implemented structure chart.
Fig. 6 is the structural representation of this utility model guide rod.
Description of reference numerals: 1-guide portion, 2-negative pressure jointing, 3-block water ventilation part, 4-block water ventilative connect draw that end, 5-transfusion one-way valve, 6-air-vent, 7-block water that air-permeable layer, 8-liquid supplementation pipe, 9-fluid infusion inlet, 10-fluid infusion export, 11-fluid infusion connector and 12-guide rod.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in Figure 1: in order to have preventive effect before air embolism occurs, and have therapeutical effect after air embolism occurs, this utility model comprises catheter body; Described catheter body comprises guide portion 1 and is connected in the ventilation part 3 that blocks water of described guide portion 1 end, described in the block water tube chamber of ventilation part 3 be connected with the tube chamber of guide portion 1.
Particularly, when use, guide portion 1 part of catheter body is inserted blood vessel, and the ventilation part 3 that blocks water is inserted blood vessel completely.The described ventilation part 3 that blocks water can be in water or in blood can be floating.End in guide portion 1 adds negative pressure, in the time there is air embolism in blood vessel, the ventilation part 3 that blocks water swims in blood vessel top, there is abundant chance to contact with gas, in ventilation part 3 tube chambers, under suction function, make the air in blood vessel enter the tube chamber blocking water in ventilation part 3 blocking water, and by the air in blood vessel being discharged under the tube chamber in guide portion 1 and negative pressure.The described ventilation part 3 that blocks water adopts the gas permeable material that blocks water to make, and the gas permeable material that blocks water can allow air to pass through, and can stop the blood in blood vessel simultaneously, makes blood air in tube enter the tube chamber blocking water in ventilation part 3.Further, described in the ventilation part 3 that blocks water adopt anticoagulant processing, can be because blood coagulation stops up small steam vent, also can soaking flushing processing in anti-freezing liquid before use.
As shown in Figures 2 and 3, described in the ventilation part 3 that blocks water comprise and plug in skirt and connect the air-vent 6 of described plug in skirt, described air-vent 6 is connected with the tube chamber of plug in skirt; On plug in skirt, the air-permeable layer 7 that blocks water covering on described air-vent 6 is set.
The ventilation part 3 that blocks water can also be realized by the setting air-permeable layer 7 that blocks water, the air-permeable layer that blocks water 7 can adopt the ventilated membrane that blocks water, the air-permeable layer that blocks water 7 is arranged on the inwall or outer wall of plugging in skirt, and cover on air-vent 6, air-vent 6 is connected with the tube chamber of plug in skirt, plug in skirt can be structure as a whole with guide portion 1, and plugging in skirt 1 and guide portion 1 is coaxial structure.In the specific implementation, which kind of structure the ventilation part 3 that no matter blocks water adopts, and all needs to carry out antibacterial and sterilization treatment, with the infection of avoiding producing.In addition, the ventilation part 3 that blocks water needs to adopt light material to make, and is inserting after blood vessel, and the ventilation part 3 that makes to block water, in floating state, to increase the contact area of block water ventilation part 3 and liquid hollow gas, improves the therapeutic effect to air embolism.
For the ventilation part 3 that blocks water of catheter body being inserted in blood vessel, need to utilize guide rod 12.In the specific implementation, the other end that the ventilation part 3 that blocks water is connected with guide portion 1 forms ventilative the connecing that block water and draws end 4, blocking water ventilative connecing drawn end 4 and can be adopted soft rubber to make, guide rod 12 has sharp-pointed end, guide rod 12 can, through the ventilative soft rubber that draws end 4 that connects that blocks water, be realized the guiding of catheter body is inserted to operation by sharp-pointed end.After guiding is inserted, utilize the elasticity of soft rubber self, make to block water to breathe freely to connect to draw and hold 4 can seal, avoid the blood in blood vessel to enter in the tube chamber of the ventilation part 3 that blocks water by the socket of guide rod 12, the structure of guide rod 12 is as shown in Figure 6.
The end, one end of described guide portion 1 is provided with negative pressure jointing 2, in the end of the ventilation part 3 that blocks water, is provided with transfusion one-way valve 5.In this utility model embodiment, negative pressure jointing 2 distributes and is positioned at the two ends of guide portion 1 with the ventilation part 3 that blocks water, be connected with negative pressure by negative pressure jointing 2 by guide portion 1, to produce required negative pressure in the tube chamber of guide portion 1 and the tube chamber of the ventilation part 3 that blocks water.
In order to realize the guiding to whole catheter body, in the above-mentioned ventilative end of drawing end 4 that connects that blocks water, transfusion one-way valve 5 can be set.In the time that this utility model is used for infusing, the negative pressure jointing 2 of guide portion 1 connects transfusion device, 5, described transfusion one-way valve allows liquid to input human body via the ventilation part 3 that blocks water, and does not allow the liquid of human body to enter in the tube chamber of the ventilation part 3 that blocks water by transfusion one-way valve 5.Utilize transfusion one-way valve 5 and the tube chamber of the ventilation part 3 that blocks water, can realize the operation of fluid infusion, in the tube chamber and transfusion one-way valve 5 intravasations of the fluid infusion needing by the tube chamber of guide portion 1, the ventilation part 3 that blocks water; In the time that this utility model is used for discharging in blood vessel gas: guide portion 1 interface connects vacuum extractor, described transfusion one-way valve 5 does not allow vessel inner blood to discharge human body via the tube chamber of block water ventilation part 3 and guide portion 1; The ventilation part 3 that blocks water does not allow vessel inner blood to discharge human body via the tube chamber of block water ventilation part 3 and guide portion 1.But the gas in blood is discharged human body by the tube chamber of the ventilative tube wall via the ventilation part 3 that blocks water and tube chamber and guide portion 1 under the effect of negative pressure, enters by vacuum suction and discharges.
As shown in Figure 4 and Figure 5, the outside of described catheter body is provided with liquid supplementation pipe 8, end, one end formation fluid infusion inlet 9 of described liquid supplementation pipe 8, and other end end forms fluid infusion outlet 10, the joint portion of the contiguous guide portion 1 of described fluid infusion outlet 10 and the ventilation part 3 that blocks water.
For can be in carrying out air embolism control, realize the operation of fluid infusion, liquid supplementation pipe 8 is set on catheter body, liquid supplementation pipe 8 contacts fixing with the guide portion 1 of catheter body, the fluid infusion outlet 10 of liquid supplementation pipe 8 is no more than the ventilation part 3 that blocks water, and avoids affecting the result of use of the ventilation part 3 that blocks water.Fluid infusion inlet 9 is positioned at same one end with above-mentioned negative pressure jointing 2, fluid infusion can be introduced by fluid infusion inlet 9, and liquid supplementation pipe 8 can adopt existing conventional conduit form.Two kinds of forms of Fig. 4 and Fig. 5, there is no essential difference, and the just form difference of the fluid infusion inlet 9 of liquid supplementation pipe 8 connects to realize different fluid infusion.
In described guide portion 1, be provided with ventilative check valve or unidirectional gas barrier plate, in this utility model embodiment, described ventilative check valve or unidirectional gas barrier plate are positioned at guide portion 1 correspondence and arrange one end of negative pressure jointing 2, can carry out management and control to the flow direction of the gas that attracts by ventilative check valve.Gas in body can, by excreting in pipeline, but can not be entered in pipeline by external, while avoiding patient acutely to breathe, produce dark vein negative pressure suck-back gas and enter human body.
For the ease of the position of conduit intravasation is positioned, the tube wall of guide portion 1 and ventilation part 3 tube walls that block water all can arrange developing line, to locate under ray.Because developing line is widely used in medical material, presents is no longer described.
This utility model catheter body is inserted in blood vessel by the ventilation part 3 that blocks water, in the time there is air embolism, the block water characteristic of ventilation part 3 and the intraluminal negative pressure of ventilation part 3 that blocks water of utilization is attracted out the air in blood vessel, utilize transfusion one-way valve 5 can carry out fluid infusion operation, and fluid infusion can be prevented by the ventilation part 3 that blocks water time, produce air embolism, can before occurring, air embolism there is preventive effect, and after occurring, air embolism has therapeutical effect, compact conformation, wide accommodation, easy to use, safe and reliable.
Claims (8)
1. a conduit of preventing and treating air embolism, comprises catheter body; It is characterized in that: described catheter body comprises guide portion (1) and be connected in the ventilation part that blocks water (3) of described guide portion (1) end, described in the block water tube chamber of ventilation part (3) be connected with the tube chamber of guide portion (1).
2. the conduit of control air embolism according to claim 1, is characterized in that: described in the ventilation part (3) that blocks water adopt the gas permeable material that blocks water to make.
3. the conduit of control air embolism according to claim 1, is characterized in that: described in the ventilation part (3) that blocks water comprise and plug in skirt and connect the air-vent (6) of described plug in skirt, described air-vent (6) is connected with the tube chamber of plug in skirt; On plug in skirt, the air-permeable layer that blocks water (7) covering on described air-vent (6) is set.
4. the conduit of control air embolism according to claim 1, is characterized in that: the end, one end of described guide portion (1) is provided with negative pressure jointing (2), is provided with transfusion one-way valve (5) in the end of the ventilation part that blocks water (3).
5. the conduit of control air embolism according to claim 1, is characterized in that: the outside of described catheter body is provided with liquid supplementation pipe (8), and the end, one end of described liquid supplementation pipe (8) forms fluid infusion inlet (9), and other end end forms fluid infusion outlet (10).
6. the conduit of control air embolism according to claim 1, is characterized in that: in described guide portion (1), be provided with ventilative check valve or unidirectional gas barrier plate.
7. the conduit of control air embolism according to claim 1, is characterized in that: described in the ventilation part (3) that blocks water adopt anticoagulant processing.
8. the conduit of control air embolism according to claim 1, is characterized in that: on the guide portion (1) of described catheter body and the ventilation part that blocks water (3), developing line is all set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303912.1U CN203898899U (en) | 2014-06-09 | 2014-06-09 | Catheter for preventing and treating air embolism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303912.1U CN203898899U (en) | 2014-06-09 | 2014-06-09 | Catheter for preventing and treating air embolism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898899U true CN203898899U (en) | 2014-10-29 |
Family
ID=51773195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303912.1U Expired - Fee Related CN203898899U (en) | 2014-06-09 | 2014-06-09 | Catheter for preventing and treating air embolism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001255A (en) * | 2014-06-09 | 2014-08-27 | 高宏 | Air embolism prevention and treatment conduit |
| CN106924860A (en) * | 2017-03-22 | 2017-07-07 | 青岛市市立医院 | A kind of counterflow-preventing prevents the blood vessel intervention injection catheter of reflllx bolt by mistake |
-
2014
- 2014-06-09 CN CN201420303912.1U patent/CN203898899U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001255A (en) * | 2014-06-09 | 2014-08-27 | 高宏 | Air embolism prevention and treatment conduit |
| CN104001255B (en) * | 2014-06-09 | 2016-03-23 | 高宏 | Prevent the conduit of air embolism |
| CN106924860A (en) * | 2017-03-22 | 2017-07-07 | 青岛市市立医院 | A kind of counterflow-preventing prevents the blood vessel intervention injection catheter of reflllx bolt by mistake |
| CN106924860B (en) * | 2017-03-22 | 2020-01-24 | 青岛市市立医院 | Anti-reflux blood vessel intervention injection catheter capable of preventing wrong embolism from flowing back |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104771803A (en) | Catheter aseembly blood control device and related methods | |
| CN105597219A (en) | Double-cannula drainage tube | |
| CN103893839A (en) | Pressure measurement noninvasive anti-blocking urine guiding device | |
| CN203898899U (en) | Catheter for preventing and treating air embolism | |
| CN203525117U (en) | Support catheter | |
| CN107050628A (en) | A kind of mammary gland inflammatory disease is rinsed, the dual-purpose pipe of drainage | |
| CN103990226A (en) | Exhaust bacterium blocking cap | |
| CN206566282U (en) | Leak-proof device for enema syringe | |
| CN203943935U (en) | The anti-blocking o urethral catheterization device of pressure measurement noinvasive | |
| CN202590026U (en) | Anti-blocking suction tube | |
| CN104001255B (en) | Prevent the conduit of air embolism | |
| CN106880879A (en) | Bladder drainage rinses connector and bladder drainage rinse-system | |
| CN201370574Y (en) | Flushing suction apparatus for anti-block laparoscope | |
| CN212261988U (en) | Closed automatic water-changing water-sealed thoracic drainage bottle | |
| CN202446553U (en) | Bladder irrigator for urinary surgery | |
| CN206026750U (en) | Multi -functional medical negative pressure drainage device | |
| CN204972604U (en) | Trachea cannula catheter | |
| CN104491949B (en) | A kind of Multifunctional safety transfusion system and safe infusion method | |
| CN109432532B (en) | Pressurized perfusion flushing treatment device | |
| CN106860949A (en) | Automatic liquid-stopping transfusion apparatus | |
| CN208785579U (en) | A kind of autobarotropy formula band gas discharge connector | |
| CN205073493U (en) | Three -chamber catheter | |
| CN204411476U (en) | A kind of thoracic cavity trace irrigation drainage tube | |
| CN217548625U (en) | Inner sleeve for negative pressure irrigation in abdomen and thorax | |
| CN204951745U (en) | Thorax puncture drainage pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |