Groninzen瓣膜于1986年首次在英国谢菲尔德市应用于一位因恶性疾病接受限切除的患者。自此以后作者即利用这种气管一食管假体进行喉切除后的语音康复，在该市也得到广泛应用。这种假体呈双翼状，食道面为完全裂隙状，气管面有一塑料附属物便于置入，置入后将附属物去除。可在喉 The Groninzen valve was first introduced in 1986 in Sheffield, England, to a patient who had limited excision of malignant disease. Since then the author has used the tracheal-esophageal prosthesis for speech rehabilitation after laryngectomy, which is also widely used in the city. The prosthesis is bilaterally shaped, the esophageal surface is completely fissure-like with a plastic appendage on the tracheal surface for easy insertion and removal of appendages after placement. Available in the throat