CN204745116U - A crossover sub that is used for connection center ductus venosus and ordinary drainage bag - Google Patents
A crossover sub that is used for connection center ductus venosus and ordinary drainage bag Download PDFInfo
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- CN204745116U CN204745116U CN201520532479.3U CN201520532479U CN204745116U CN 204745116 U CN204745116 U CN 204745116U CN 201520532479 U CN201520532479 U CN 201520532479U CN 204745116 U CN204745116 U CN 204745116U
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- adapter
- interface
- drainage bag
- connection tube
- drainage
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Abstract
The utility model provides a crossover sub that is used for connection center ductus venosus and ordinary drainage bag, the crossover sub is including rotatory interface, drainage interface. The inside wall of rotatory interface is equipped with the screw thread, and the drainage interface is the conical structure of elasticity material, and the drainage interface cup joints at the outer wall that links up the pipe. This crossover sub can be connected ordinary drainage bag with central venous catheter, easy operation, and firm in connection is difficult for droing, can prevent that infect in thorax that the clearance leakage leads to or the emergence of pneumothorax because of connecting, also can avoid the risk that other vein routes of misconnection arouse simultaneously. This crossover sub has high using value clinically.
Description
Technical field
This utility model relates to the medical treatment device of closed drainage of thoracic cavity operation, particularly for connecting the adapter of central venous catheter and general drainage bag.
Background technology
Closed drainage of thoracic cavity operation is a kind of common surgical operation, and it is widely used in hemothorax, pneumothorax, the drain of empyema and Thorax operration, and the treatment for disease plays a very important role.In order to reduce drain otch and thoracic wall wound, reduce the incidence rate of complication, in current clinical treatment, one end of disposable central venous catheter is inserted in patient body by normal employing, and the drainage systems such as the other end and drainage bag are connected and carry out closed drainage of pleural cavity.Have the following advantages with central venous catheter row closed drainage of pleural cavity: safety simple to operate, once holding tube success, avoids repeatedly puncturing, alleviates patient suffering; Conduit is soft, good biocompatibility, and caliber is thin, and patient easily tolerates; Fixation, difficult drop-off, patient can be freely movable; Can tapping at any time be needed according to the state of an illness or get liquid censorship and injectable drug; Catheter-nursing is simple.Given this, in thoracic cavity, treated via central venous catheter method widely uses and promotes among clinical.
But there is no the special drainage system be connected with central venous catheter at present, often adopt clinically central venous catheter and disposable general drainage bag with the use of mode.But the joint of central venous catheter is hollow cylindrical hard joint, the pipe joint of general drainage bag is conical hard joint, both can not directly with the use of.Usually through venous transfusion tee T and rubber tube, central venous catheter is connected with disposable drainage bag clinically, or is directly connected with drainage bag with rubber tube.But such connected mode, operates more difficult, and easily comes off.
Also have clinically and the anti-reflux drainage bag of band spiral mouth is connected to realize closed drainage of pleural cavity with central venous catheter.Due to the laced belt screw thread of anti-reflux drainage bag, it directly can be connected with central venous catheter.But because the joint of anti-reflux drainage bag all can be connected with all venous channels, exist and the risk that is connected of other venous channels mistake, such as threaded joint can with central venous catheter, remaining needle, scalp acupuncture is first-class is connected.Anti-reflux drainage bag is very similar to general drainage bag in addition, easily takes when taking by mistake, causes waste after opening.
Utility model content
Inventor is according to clinical treatment experience for many years, long-term research is carried out to above-mentioned problems of the prior art, design a kind of adapter for connecting central venous catheter and general drainage bag, described adapter comprises rotatable interface, drain interface and connection tube, one end of connection tube is connected to rotatable interface, and the other end of connection tube is connected to drain interface, and the medial wall of rotatable interface is provided with screw thread, drain interface is conical structure, and drain interface is socketed in the outer wall of connection tube.
Further, the conical small-caliber end of described drain interface is socketed on the outer wall of connection tube.
Preferably, the opening part of described rotatable interface is provided with sealing member.
Preferably, described adapter also comprises a Fastener.
Preferred, be provided with check valve in the connection tube of described adapter.
Further, in the connection tube of adapter, matching used block piece is also comprised with check valve.
The beneficial effects of the utility model are: described adapter rotatable interface is threaded, can with the joint rotatable engagement of central venous catheter, ensure adapter and central venous catheter compact siro spinning technology, difficult drop-off.The drain interface of adapter is the conical fittings that elastomeric material is made into, and the conical fittings of drainage bag can closely insert in the drain interface of adapter, drainage bag difficult drop-off.Fastener can also be utilized to prevent drainage bag from coming off from adapter further.
Use described adapter, central venous catheter and general drainage bag can easily be coupled together, simple to operate, be connected firmly, difficult drop-off, can prevent the generation because connecting thoracic cavity infection or the pneumothorax closely do not caused.Meanwhile, use this adapter, the connection of general drainage bag and central venous catheter can be realized, anti-reflux drainage bag must be equipped with again, waste like product can being avoided to take mistake cause material.The risk simultaneously anti-reflux other venous channels of drainage bag misconnection can being avoided to cause.
Accompanying drawing explanation
The schematic diagram of the first adapter of Fig. 1.
Fig. 2 is with the schematic diagram of the adapter of sealing member and Fastener.
After the drain interface of adapter is inserted in the catheter adapter of Fig. 3 drainage bag, Fastener is stuck in the junction of drainage bag catheter adapter and drain interface.
Fig. 4 is with the adapter of individual event valve, and this figure is check valve schematic diagram in opened condition.
Fig. 5 with the adapter of individual event valve, the schematic diagram of this figure to be check valve be closed condition.
Detailed description of the invention
As shown in Figure 1 for connecting the adapter of central venous catheter and general drainage bag, comprise rotatable interface 1, drain interface 2, connection tube 3 connects rotatable interface and drain interface.Rotatable interface, between drain interface and connection tube, form hollow communicating structure.The medial wall of rotatable interface 1 is provided with screw thread 11, and described screw thread matches with the screw thread on central vein drainage catheter union joint, adapter can be rotated with central vein drainage catheter and be fixedly connected with.Drain interface 2 is conical structure, adopts the elastic material such as latex, medical silica-gel.The drain interface 2 of adapter has identical conical structure with the catheter adapter 8 of drainage bag, makes the catheter adapter 8 of drainage bag can insert drain interface 2 easily, and compact siro spinning technology mutual to adapter, be not easy to come off.And the drain interface 2 of elastic material can adapt to the catheter adapter of the various caliber of drainage bag.Described connection tube 3 can be one-body molded with rotatable interface 1, also connection tube 3 and rotatable interface 1 can be produced respectively, and they are combined, there is sealing device the junction of connection tube and rotatable interface to guarantee that diversion fluid can not flow out from both junctions.Drain interface 2 is socketed in the outer wall of connection tube 3, and in one embodiment, the conical small-caliber end of drain interface is socketed in connection tube outer wall.
In the preferred version of adapter as shown in Figures 2 and 3, at the opening part of rotatable interface 1, a sealing member 4 is installed.In use, the union joint of central venous catheter could be rotated on the rotatable interface 2 of adapter after medical personnel need to remove sealing member.Medical personnel need to tear this step of sealing member can play reminding effect, illustrates that the adapter of current use is for connecting central venous catheter, thus avoids described adapter to be connected with other venous channels by mistake.In preferred scheme, the sealing member of rotatable interface is printed with drain two words, and this further reminds medical personnel's adapter to need to connect central venous catheter.Before use, sealing member and rotatable interface link together adapter.Once adapter is used, sealing member just separates with rotatable interface.According to whether rotatable interface existing sealing member, medical personnel can judge whether current adapter is previously used, avoid the situation that adapter is used by secondary.In another embodiment, sealing member 4 also includes sealing member pulling mouth 41, during use, finger tip is buckled in this pulling mouth 41, firmly pulls outward and just sealing member can be separated with rotatable interface.
In another preferred scheme, adapter also comprises a Fastener 5, and described Fastener can be stuck in the catheter adapter 8 of drainage bag and the junction of drain interface 2.As shown in Figure 3, after drainage pack adapter 8 inserts drain interface 2, Fastener 5 moves to their junction and is stuck in outside tightly, thus ensures that the catheter adapter of drainage bag can not come off from adapter further.
In order to prevent liquid return, in a preferred version, be provided with check valve 6 in the connection tube 3 of adapter, described check valve can only be opened to drain interface direction.As shown in Figure 4, when draining fluids flows into drainage bag from rotatable interface 1 through connection tube 3, individual event valve 6, along with opening toward the opening direction of drain interface 2 in the direction of liquid flow, ensures the smooth circulation of drainage-fluid.As shown in Figure 5, when drainage-fluid generation reverse reflux in drainage bag, because check valve can not be opened to the direction of rotatable interface, such liquid just can not be back in central vein drainage catheter.In preferred scheme, also comprise the matching used block piece 7 with check valve in the connection tube of adapter, block piece 7 can stop that check valve moves to the direction of rotatable interface 2 further.
When carrying out closed drainage of thoracic cavity operation, one end of central venous catheter is inserted the thoracic cavity of patient, another end of central venous catheter is tightened on the rotatable interface 1 of adapter, then the catheter adapter 8 of drainage bag is inserted in the drain interface 2 of adapter.Central vein drainage catheter, between adapter and drainage bag, form the cascaded structure that liquid communicates, complete closed drainage of thoracic cavity operation.Adapter described in utilization, achieves the connection between central venous catheter and general drainage bag, simple to operate, be connected firmly, difficult drop-off, can preventing the generation because connecting thoracic cavity infection or the pneumothorax closely do not caused, having high using value clinically.
Claims (6)
1. connect the adapter of central venous catheter and general drainage bag, it is characterized in that, described adapter comprises rotatable interface, drain interface and connection tube, one end of connection tube is connected to rotatable interface, the other end of connection tube is connected to drain interface, the medial wall of rotatable interface is provided with screw thread, and drain interface is conical structure, and drain interface is socketed in the outer wall of connection tube.
2. adapter according to claim 1, is characterized in that, the conical small-caliber end of described drain interface is socketed on the outer wall of connection tube.
3. adapter according to claim 1, is characterized in that, the opening part of described rotatable interface is provided with sealing member.
4. adapter according to claim 1, is characterized in that, described adapter also comprises a Fastener.
5. adapter according to claim 1, is characterized in that, is provided with check valve in the connection tube of described adapter.
6. adapter according to claim 5, is characterized in that, also comprises the matching used block piece with check valve in the connection tube of adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532479.3U CN204745116U (en) | 2015-07-22 | 2015-07-22 | A crossover sub that is used for connection center ductus venosus and ordinary drainage bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532479.3U CN204745116U (en) | 2015-07-22 | 2015-07-22 | A crossover sub that is used for connection center ductus venosus and ordinary drainage bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204745116U true CN204745116U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520532479.3U Expired - Fee Related CN204745116U (en) | 2015-07-22 | 2015-07-22 | A crossover sub that is used for connection center ductus venosus and ordinary drainage bag |
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| CN (1) | CN204745116U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920719A (en) * | 2016-05-20 | 2016-09-07 | 朱林涛 | Novel T-type drainage tube set |
| CN109893737A (en) * | 2019-04-03 | 2019-06-18 | 山东大学 | A kind of ureter outer catheter component, radiography component, drainage component and method |
| CN111886036A (en) * | 2018-02-21 | 2020-11-03 | 费森尤斯医疗护理德国有限责任公司 | Device containing dialysis solution or dialysis solution concentrate |
| CN115006713A (en) * | 2022-05-31 | 2022-09-06 | 苏州市第九人民医院 | Quick connection exchanger between pericardial catheter and drainage bag |
-
2015
- 2015-07-22 CN CN201520532479.3U patent/CN204745116U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920719A (en) * | 2016-05-20 | 2016-09-07 | 朱林涛 | Novel T-type drainage tube set |
| CN111886036A (en) * | 2018-02-21 | 2020-11-03 | 费森尤斯医疗护理德国有限责任公司 | Device containing dialysis solution or dialysis solution concentrate |
| CN111886036B (en) * | 2018-02-21 | 2023-08-11 | 费森尤斯医疗护理德国有限责任公司 | Apparatus containing dialysis solution or dialysis solution concentrate |
| CN109893737A (en) * | 2019-04-03 | 2019-06-18 | 山东大学 | A kind of ureter outer catheter component, radiography component, drainage component and method |
| CN115006713A (en) * | 2022-05-31 | 2022-09-06 | 苏州市第九人民医院 | Quick connection exchanger between pericardial catheter and drainage bag |
| CN115006713B (en) * | 2022-05-31 | 2023-09-29 | 苏州市第九人民医院 | Quick connection exchanger between pericardium placement tube and drainage bag |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190722 |