Choose your Region

Are you sure you want to proceed?

You will be leaving the Cook Medical website that you were viewing and going to a Cook Medical website for another region or country. Not all products are approved in all regulatory jurisdictions. The product information on these websites is intended only for licensed physicians and healthcare professionals.

Ova-Stiff™ EchoTip® Single Lumen Ovum Aspiration Needle – OSN

Used for laparoscopic or ultrasound-guided transvaginal aspiration and flushing of oocytes from ovarian follicles.  

  • The ergonomic handle provides comfort and control during use.   
  • The needle's EchoTip echogenic tip enhances visualization under ultrasound.  
This product line is serviced by the following clinical division(s):

The products on this website are available for sale in the United States. Reference Part Numbers are not the same in all countries/regions. For products available in other countries, please choose one of our other websites from the region selector at the top of the site or contact your local Cook Medical representative.


Order Number Reference Part Number Instructions
for Use (IFU)
Aspiration Line
A Bevel Thick-Wall Needle
G38435 K-OSN-1735-A-90-US
N/A 17 35 90
B Bevel Thick-Wall Needle
G38427 K-OSN-1630-B-60-US
N/A 16 30 60
G38428 K-OSN-1630-B-90-US
N/A 16 30 90
G38430 K-OSN-1635-B-90-US
N/A 16 35 90
G38432 K-OSN-1725-B-60-US
N/A 17 25 60
G38433 K-OSN-1730-B-60-US
N/A 17 30 60
G48363 K-OSN-1730-B-90-US
N/A 17 30 90
G38436 K-OSN-1735-B-60-US
N/A 17 35 60
G38437 K-OSN-1735-B-90-US
N/A 17 35 90

Use order numbers with the suffix “-US” if ordering in the U.S., Canada or Latin America.

Image Library