Monotube ultrasoumd sampling needle
Biopsy paracentesis under the observation of bronchoscope.
- Characteristics and Specification
- Operational Method
It has EBUS needle and twin pipe with inner tube made from steel or Nitinol.needle is 521,which is improved from needle 420 with hard inner tube and the same structure of needle 420. The differences between needle 521 and 420 are the guard ring and the length of needle(2.0cm).
- No need to pull out needle core provides convenience and decreases accidental injury
- Needle point surface treatment enables ultrasonic reflection identification.
- Efficient cytological and histological sampling
- Lumen is unobstructed for suction which increases the sampling qunatity
Model Needle Length Of needle outer tube Diameter Effective length DT-EN-W521 21G 20mm 1.6mm 1200mm
1、Before inserting the needle to biopsy hole, pull the inner tube cap outward, confirm the needlepoint is located in metal helmet on end section.
2、Withdraw the puncture needle tube under direct vision of endoscope, and the assistant connects inner tube cap and outer tube cap to fix them.
3、Retract the style into needlepoint bevel to facilitate send needling to focus.
4、The assistant sucks the work drum to position of 10ml with negative pressure, lock and fix piston, then take sample.
5、Remove negative pressure, withdraw the needlepoint to the back of needle tube helmet, take puncture needle out of body from tong passage cavity.
6、Align puncture needle to slide, thrust out needlepoint, push sample to slide, to prevent sample from clogging, fix the sample to 95% alcohol for inspection.