CN201783055U - Device used for thoracocentesis and pleural biopsy - Google Patents
Device used for thoracocentesis and pleural biopsy Download PDFInfo
- Publication number
- CN201783055U CN201783055U CN2010201765737U CN201020176573U CN201783055U CN 201783055 U CN201783055 U CN 201783055U CN 2010201765737 U CN2010201765737 U CN 2010201765737U CN 201020176573 U CN201020176573 U CN 201020176573U CN 201783055 U CN201783055 U CN 201783055U
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- China
- Prior art keywords
- needle
- thoracocentesis
- thoracentesis
- pleura
- biopsy
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Abstract
The utility model discloses a device used for thoracocentesis and pleural biopsy, which comprises a thoracocentesis needle. A barb groove is disposed on the thoracocentesis needle and distant from a needle head end of the thoracocentesis needle by 1.5cm to 2cm, the tail end of the thoracocentesis needle is hermetically connected with a rubber pipe, and a plastic-steel clip is disposed on the rubber pipe. An included angle between the barb groove and the thoracocentesis needle ranges from 30 degrees to 45 degrees, and the length of a slope of the barb groove ranges from 3mm to 3.5mm. The device is used for realizing thoracocentesis paracentesis after the needle is inserted into the thoracic cavity of a patient, the thoracocentesis needle is withdrawn after paracentesis is finished, the barb groove on the thoracocentesis needle hooks pleura when having resistance, the pleura can be remained in a cavity of the thoracocentesis needle, and accordingly thoracocentesis paracentesis and pleural biopsy can be finished through one-step needle insertion.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to the medical apparatus and instruments that is used for pleurocentesis and biopsy of pleura art, particularly a kind of device that is used for one step completed thoracentesis and biopsy of pleura.
Background technology
Hydrothorax is a kind of commonly encountered diseases frequently-occurring disease clinically, is the pleural effusion that is caused by Different types of etiopathogenises.Can alleviate patient's pressure symptom by the thoracentesis drawing liquid, alleviate dyspnea, the hydrops of extracting out is carried out assay, for clinical diagnosis and treatment provide valuable information.Biopsy of pleura is significant to the diagnosis of the cause of disease of hydrothorax and pleura pathological changes, can find tumor, tuberculosis and other pleural space pathological changes.So pleurocentesis and biopsy of pleura art are widely used in the clinical position.
At present, finish in two steps for hydrothorax patient's processing clinically.The first step earlier to patient's thoracentesis drawing liquid, promptly connects rubber tube with 50 milliliters of syringe drawing liquids by thoracentesis needle; In second step, the biopsy of pleura pin of reuse autocracy carried out biopsy of pleura after drawing liquid was finished, and biopsy send pathologic finding.The defective of above-mentioned Clinical Processing is, need carry out twice inserting needle to the patient and increase injury of pleura, and consuming time longer, the patient is relatively more painful, has increased the risk that injury of lung and pneumothorax take place.And the biopsy of pleura pin especially automatic rotation cutting type biopsy of pleura pin of import is all very expensive, is not suitable for the basic hospital popularization and application.
The utility model content
The problem that this utility model solves is to provide a kind of device that is used for thoracentesis and biopsy of pleura, utilize this device only need carry out the thoracic cavity inserting needle one time to the patient, just can finish thoracentesis drawing liquid and biopsy of pleura, reduce patient's misery, reduce the risk that injury of lung and pneumothorax take place.
This practicality newly is achieved through the following technical solutions:
A kind of device that is used for thoracentesis and biopsy of pleura comprises thoracentesis needle, is provided with a barb groove at needle end 1.5～2cm place of distance thoracentesis needle, and the tail end and the rubber tube of thoracentesis needle are tightly connected, and rubber tube is provided with the plastic-steel folder.
Described thoracentesis needle is hollow, and hollow diameters is 2.6mm, thoracentesis needle wall thickness 0.2mm.
The angle of described barb groove and thoracentesis needle is 30 °～45 °, and chamfer length is 3～3.5mm.
Compared with prior art, the utlity model has following beneficial technical effects:
This utility model is by design barb groove on thoracentesis needle, after to patient thoracic cavity inserting needle, carry out the thoracentesis drawing liquid, when drawing liquid finishes, retreat thoracentesis needle, illustrate then that when resistance sense the barb groove on the thoracentesis needle has hooked pleura, tissue can be stranded in the pin intracavity of puncture needle, just can finish thoracentesis drawing liquid and biopsy of pleura art by an inserting needle like this.Originally the work that needed twice puncture just can finish is reduced to one-time puncture can be finished, and has reduced the risk that lung and injury of pleura and pneumothorax take place, and has reduced patient's misery.
Consider the requirement of biopsy of pleura to puncture needle intensity, this utility model is by widening the overstriking thoracentesis needle, and is more convenient to operate, and firm and durable can substitute expensive import biopsy of pleura pin, saves cost and resource.Be fit to especially applying of basic hospital of hospitals at different levels.
Adopt the plastic-steel folder replace vascular forceps with the opening of control rubber tube with close, the plastic-steel anchor clamps have that volume is small and light, clamping is tight and definite, corrosion-resistant, environmental protection, advantage easy to use.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein: 1 is thoracentesis needle; 2 is the barb groove; 3 is rubber tube; 4 are the plastic-steel folder.
The specific embodiment
Below in conjunction with accompanying drawing and concrete using method this utility model is described in detail, described is to explanation of the present utility model rather than qualification.
Referring to Fig. 1, be used for the device of thoracentesis and biopsy of pleura, comprise thoracentesis needle 1, be provided with a barb groove 2 at needle end 1.5～2cm place of distance thoracentesis needle 1, the tail end of thoracentesis needle 1 and rubber tube 3 are tightly connected, and rubber tube 3 is provided with plastic-steel folder 4.
This utility model is by design barb groove 2 on thoracentesis needle 1, after to patient thoracic cavity inserting needle, carry out the thoracentesis drawing liquid, when drawing liquid finishes, retreat thoracentesis needle 1, illustrate then that when resistance sense the barb groove 2 on the thoracentesis needle has hooked pleura, tissue can be stranded in the pin intracavity of puncture needle, just can finish thoracentesis drawing liquid and biopsy of pleura art by an inserting needle like this.
Thoracentesis needle 1 is hollow, and needle point is sharp, is beneficial to cutting and puncture.Consider the requirement of biopsy of pleura to puncture needle intensity, this utility model is by widening the overstriking thoracentesis needle, and the design hollow diameters of thoracentesis needle 1 is 2.6mm, and the thoracentesis needle wall thickness is designed to 0.2mm.
Barb groove 2 is 30 °～45 ° with the angle of thoracentesis needle 1, and chamfer length is 3～3.5mm.After puncture entered the thoracic cavity, barb groove 2 can't influence the carrying out of thoracentesis drawing liquid; After drawing liquid is finished, retreat thoracentesis needle 1, illustrate then that when resistance sense barb groove 2 has hooked pleura, and the pleura of hooking can be stranded in the pin intracavity of thoracentesis needle 1, along with withdrawing from of thoracentesis needle 1, after taking out, the pleura of delay is used for the inspection of pathological tissue.
Describing in detail below utilizes this utility model to carry out the concrete operations of thoracentesis drawing liquid and biopsy of pleura art:
1) advise the patient to sit up straight at the arm-chair back;
2) point of puncture is generally at hydrothorax Ipsilateral angulus inferior scapulae line 7-9 intercostal, and the best incorporated ultrasound diagnosis is located before the puncture;
3) routine disinfection skin is worn sterile gloves, hole, shop towel;
4) patient's right hand is clamped rubber tube with plastic-steel, carries out thoracentesis then, and lignocaine local anaesthesia successively is connected syringe on the rubber tube when the opposing sense of pin peak disappears, drawing liquid repeatedly according to actual needs, and drawing liquid send laboratory examination.
When 5) drawing liquid finishes, retreat thoracentesis needle, illustrate then that when resistance sense puncture needle barb hook groove has hooked pleura, tissue can be stranded in the pin intracavity of thoracentesis needle, continues to retreat to pull out to cover aseptic husky cloth behind the pin, advises the patient to repose.
6) wash the pin chamber at the barb groove place of thoracentesis needle repeatedly with 5 milliliters of syringes that fill 95% ethanol, find and fixing pleura, send pathologic finding.
Claims (3)
1. device that is used for thoracentesis and biopsy of pleura, it is characterized in that, comprise thoracentesis needle (1), needle end 1.5～2cm place at distance thoracentesis needle (1) is provided with a barb groove (2), the tail end of thoracentesis needle (1) and rubber tube (3) are tightly connected, and rubber tube (3) is provided with plastic-steel folder (4).
2. the device that is used for thoracentesis and biopsy of pleura as claimed in claim 1 is characterized in that, described thoracentesis needle (1) is hollow, and hollow diameters is 2.6mm, thoracentesis needle wall thickness 0.2mm.
3. the device that is used for thoracentesis and biopsy of pleura as claimed in claim 1 is characterized in that, described barb groove (2) is 30 °～45 ° with the angle of thoracentesis needle (1), and chamfer length is 3～3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201765737U CN201783055U (en) | 2010-04-30 | 2010-04-30 | Device used for thoracocentesis and pleural biopsy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201765737U CN201783055U (en) | 2010-04-30 | 2010-04-30 | Device used for thoracocentesis and pleural biopsy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201783055U true CN201783055U (en) | 2011-04-06 |
Family
ID=43815040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201765737U Expired - Fee Related CN201783055U (en) | 2010-04-30 | 2010-04-30 | Device used for thoracocentesis and pleural biopsy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201783055U (en) |
-
2010
- 2010-04-30 CN CN2010201765737U patent/CN201783055U/en not_active Expired - Fee Related
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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: 20110406 Termination date: 20130430 |