Title:
Double tube trocar device
United States Patent 2604685


Inventors:
Harm, Harms
Application Number:
US6678948A
Publication Date:
07/29/1952
Filing Date:
12/22/1948
Assignee:
Harm, Harms
Primary Class:
International Classes:
A61B17/34
View Patent Images:
US Patent References:
2220493Surgical instrument1940-11-05
2097039Trocar1937-10-26
1882213Trocar1932-10-11
1845727Trocar1932-02-16
1444714Medical appliance of suction type1923-02-06
1410143Embalming instrument1922-03-21
Foreign References:
IT350404B