CN203060550U - Negative pressure type thoracocentesis indwelling needle - Google Patents
Negative pressure type thoracocentesis indwelling needle Download PDFInfo
- Publication number
- CN203060550U CN203060550U CN 201320033536 CN201320033536U CN203060550U CN 203060550 U CN203060550 U CN 203060550U CN 201320033536 CN201320033536 CN 201320033536 CN 201320033536 U CN201320033536 U CN 201320033536U CN 203060550 U CN203060550 U CN 203060550U
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- CN
- China
- Prior art keywords
- needle
- negative pressure
- thoracocentesis
- puncture
- indwelling
- 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.)
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Abstract
The utility model discloses a negative pressure type thoracocentesis indwelling needle which is realized in the following way: an indwelling catheter is in a soft hollow form; a rubber plug is arranged in the tail end of the indwelling catheter; a puncture needle is arranged in the indwelling catheter; the puncture needle penetrates through the rubber plug to enter the catheter when not in use; the outer wall of the indwelling catheter is graduated; an injector connector is arranged at the rear end of the indwelling catheter; an injector is connected onto the injector connector; a one-way valve is arranged in front of the injector connector; a negative pressure drainage tube is connected to the rear end of the puncture needle; and the tail end of the negative pressure drainage tube is in a needle head form. When the thoracocentesis indwelling needle is used for thoracocentesis and a needle head penetrates through the parietal pleura to reach the effusion position, the effusion can enter a negative pressure tube under the action of negative pressure suction, and a medical staff can instantly see the effusion and stop the needle puncture operation so as to guarantee the safety of puncture.
Description
Technical field:
This utility model belongs to medical apparatus and instruments, particularly negative-pressure type thoracentesis remaining needle.
Background technology:
Tuberculous pleuritis is that the pleura that tulase infringement pleura causes is not seen inflammation and allergy, tuberculous pleuritis has hydrothorax, at present, and when thoracentesis extracts hydrothorax, owing to thrust deeply, cause puncturing visceral pleura and alveolar and cause the pneumothorax complication sometimes.
The utility model content:
This utility model overcomes the deficiency of existing the problems referred to above, and negative-pressure type thoracentesis remaining needle a kind of simple in structure, easy to use is provided.This negative-pressure type thoracentesis remaining needle is achieved in that inlying catheter is the software hollow form, terminus inner at inlying catheter is provided with rubber closure, be provided with puncture needle in the inlying catheter, puncture needle passes rubber closure under non-working condition, enter in the conduit, be provided with scale at the inlying catheter outer wall, the rear end of inlying catheter is provided with syringe interface, is connected with syringe on the syringe interface and connects, and is provided with check valve in the front of syringe interface; Rear end at puncture needle is connected with negative-pressure drainage tube, and the end of negative-pressure drainage tube is the syringe needle form.
Negative-pressure type thoracentesis remaining needle described in the utility model.When carrying out thoracentesis, syringe needle passes parietal pleura, and when reaching the hydrops position, hydrops can enter the negative pressure pipe under vacuum suction, and medical personnel can see hydrops immediately, and stops to continue deeply, to guarantee puncture safety.
Description of drawings:
Accompanying drawing 1 is structural representation of the present utility model; 1, inlying catheter 2, puncture needle 3, rubber closure 4, negative-pressure drainage tube 5, check valve 6, syringe
The specific embodiment:
By reference to the accompanying drawings 1, embodiment is negative-pressure type thoracentesis remaining needle, be achieved in that inlying catheter 1 is the software hollow form, terminus inner at inlying catheter 1 is provided with rubber closure 3, is provided with puncture needle 2 in the inlying catheter 1, and puncture needle 2 is under non-working condition, pass rubber closure, enter in the conduit, be provided with scale at inlying catheter 1 outer wall, the rear end of inlying catheter 1 is provided with syringe interface, be connected with syringe 6 on the syringe interface, be provided with check valve 5 in the front of syringe interface; Be connected with negative-pressure drainage tube 4 in the rear end of puncture needle 2, the end of negative-pressure drainage tube 4 is the syringe needle form.
Negative-pressure type thoracentesis remaining needle described in the utility model, when carrying out thoracentesis, syringe needle passes parietal pleura, when reaching the hydrops position, hydrops can enter the negative pressure pipe under vacuum suction, and medical personnel can see hydrops immediately, and stop to continue deeply, to guarantee puncture safety.
Claims (1)
1. negative-pressure type thoracentesis remaining needle, it is characterized in that: inlying catheter (1) is the software hollow form, terminus inner at inlying catheter (1) is provided with rubber closure (3), be provided with puncture needle (2) in the inlying catheter (1), puncture needle (2) is under non-working condition, pass rubber closure, enter in the conduit, be provided with scale at inlying catheter (1) outer wall, the rear end of inlying catheter (1) is provided with syringe interface, be connected with syringe (6) on the syringe interface, be provided with check valve (5) in the front of syringe interface; Be connected with negative-pressure drainage tube (4) in the rear end of puncture needle (2), the end of negative-pressure drainage tube (4) is the syringe needle form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033536 CN203060550U (en) | 2013-01-13 | 2013-01-13 | Negative pressure type thoracocentesis indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320033536 CN203060550U (en) | 2013-01-13 | 2013-01-13 | Negative pressure type thoracocentesis indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203060550U true CN203060550U (en) | 2013-07-17 |
Family
ID=48759381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320033536 Expired - Fee Related CN203060550U (en) | 2013-01-13 | 2013-01-13 | Negative pressure type thoracocentesis indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203060550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434274A (en) * | 2014-12-24 | 2015-03-25 | 何龙光 | Disposable simple puncture drainage needle |
-
2013
- 2013-01-13 CN CN 201320033536 patent/CN203060550U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434274A (en) * | 2014-12-24 | 2015-03-25 | 何龙光 | Disposable simple puncture drainage needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20140113 |