Medical diagnostic and therapeutic devices for use in gastroenterology, radiology, cardiology, cardiothoracic surgery and cardio-pulmonary bypass, urology, gynecology, surgery and veterinary fields, namely, guidewires, catheters, perfusion cannulae, introducers, needles, stop cocks and fittings, gauges, sheaths, stents, balloons, dilators, biopsy devices, injectors for injecting contrast media, injectors for injecting sclerotherapy agent into haemorrhoid varices, medical syringes, aspiration syringes, angiographic contrast medium syringes, sutures, drainage catheters; obstetrical and gynaecological products, namely-- insemination catheters, suprapubic catheters, drainage sets comprised of catheters, needles and wire guides, stents, sounds, forceps, needles, connecting tubes, stopcocks, currettes, biopsy needles; kits comprising fetal blood sampling devices, endoscopes, blades, swabs and blood collection tubes; colposcopy instruments, namely-- diathermy loops, cardiothoracic chest drainers, pneumoperitoneum needles, endometrial samplers, cannulae, single use cartridge syringe and needle combinations; surgical instruments for in-vitro fertilization, gamete intrafallopian transfer, endometrial sampling, investigation of tubal disease in infertility, oocyte harvesting needles, embryo transfer catheters, sperm transfer catheters, gamete transfer catheters, hystrosalpingography catheters, endometrial sampling catheters, endometrial sampling devices, sperm and embryo storage vials and tubes