ari spiral catheters Iri rimwe remacatheter akanakisa ekushandisa pakuyamwisa munguruve, uye rakagadzirirwa kuti rigare musowe kwenguva yakati rebei mushure mekugadzirwa kwechigadzirwa, kuitira kukurudzira chibereko kwenguva refu uye kuwedzera kutorwa kwembeu.