A variable-dimension overtube for natural orifice transluminal endoscopic surgery
In natural orifice transluminal endoscopic surgery, the insertion of surgical instruments can
cause patient discomfort, even bleeding and perforation. This paper proposes a design of an
overtube which can vary its radial dimension. It can be inserted through the natural orifice in
a small diameter configuration and then enlarge its size and form a hollow and rigid channel
to allow passing instruments, while to reduce the friction between the instruments and the
surrounding tissue. A Bricard linkage is used as the basic unit of the overtube and a …
cause patient discomfort, even bleeding and perforation. This paper proposes a design of an
overtube which can vary its radial dimension. It can be inserted through the natural orifice in
a small diameter configuration and then enlarge its size and form a hollow and rigid channel
to allow passing instruments, while to reduce the friction between the instruments and the
surrounding tissue. A Bricard linkage is used as the basic unit of the overtube and a …
[PDF][PDF] A Variable-Dimension Overtube for Natural Orifice Transluminal Endoscopic Surgery
S ZUO, JE BERNTH, G ZHANG, G WANG - scholar.archive.org
In natural orifice transluminal endoscopic surgery, the insertion of surgical instruments can
cause patient discomfort, even bleeding and perforation. This paper proposes a design of an
overtube which can vary its radial dimension. It can be inserted through the natural orifice in
a small diameter configuration and then enlarge its size and form a hollow and rigid channel
to allow passing instruments, while to reduce the friction between the instruments and the
surrounding tissue. A Bricard linkage is used as the basic unit of the overtube and a …
cause patient discomfort, even bleeding and perforation. This paper proposes a design of an
overtube which can vary its radial dimension. It can be inserted through the natural orifice in
a small diameter configuration and then enlarge its size and form a hollow and rigid channel
to allow passing instruments, while to reduce the friction between the instruments and the
surrounding tissue. A Bricard linkage is used as the basic unit of the overtube and a …
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