Ngwa ERCP A na-eji Sphincterotome nke nwere okpukpu atọ maka ojiji Endoscopic.

1. Dayameta
Dayameta nke sphincterotome na-abụkarị 6Fr, a na-ebelatakwa akụkụ elu ahụ nwayọ nwayọ ruo 4-4.5Fr. Dayameta nke sphincterotome achọghị nlebara anya dị ukwuu, mana enwere ike ịghọta ya site na ijikọta dayameta nke sphincterotome na ike ọrụ nke endoscope. Enwere ike ịgafe waya nduzi ọzọ mgbe a na-etinye sphincterotome ahụ.
2. Ogologo agụba ahụ
A ga-elebara ogologo agụba anya, nke na-abụkarị 20-30 mm. Ogologo waya nduzi na-ekpebi akụkụ arc nke mma arc na ogologo ike n'oge a na-agbaji ya. Ya mere, ka waya mma ahụ dị ogologo, otú ahụ ka "nkuku" nke arc ahụ si dị nso na ntụziaka anatomical nke intubation nke pancreasobiliary duct intubation, nke nwere ike ịdị mfe itinye n'ime ya nke ọma. N'otu oge ahụ, waya mma dị ogologo nwere ike ibute mmebi nke sphincter na ihe ndị gbara ya gburugburu, na-ebute nnukwu nsogbu dị ka mgbawa, yabụ enwere "mma mara mma" nke na-egbo mkpa nchekwa mgbe ọ na-ezute ogologo.
3. Nchọpụta Sphincterotome
Nchọpụta nke sphincterotome bụ ihe dị oke mkpa, ọkachasị iji mee ka onye na-arụ ọrụ nwee ike ịghọta ma chọpụta ọnọdụ nke sphincterotome n'oge ọrụ ịwa ahụ dị nro ma dị mkpa, yana igosi ọnọdụ nkịtị na ọnọdụ ịwa ahụ dị mma. N'ozuzu, a ga-akara ọtụtụ ọnọdụ dịka "mmalite", "mmalite", "etiti" na "1/4" nke sphincterotome akara, nke 1/4 mbụ na etiti nke mma smart bụ ọnọdụ dị mma maka ịkpụ, nke a na-ejikarị eme ihe. Na mgbakwunye, akara etiti nke sphincterotome bụ radiopaque. N'okpuru nlekota X-ray, enwere ike ịghọta ọnọdụ nke sphincterotome na sphincter nke ọma. N'ụzọ dị otu a, yana ogologo mma a na-ekpughere n'okpuru ọhụụ kpọmkwem, o kwere omume ịmara ma mma ahụ nwere ike ime mmịpụta sphincter n'enweghị nsogbu. Agbanyeghị, ụlọ ọrụ ọ bụla nwere àgwà akara dị iche iche na mmepụta nke logos, nke a kwesịrị ịghọta.