Single-port surgical device and medical device system
A single-port surgical device includes a housing and one or more cannulas. The housing includes a proximal port and a distal port, the one or more cannulas include an inner cannula section and an outer cannula section, the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one cannula of the one or more cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section.
1 . A single-port surgical device for connecting to a plurality of motion arms of a medical device system, the single-port surgical device comprising:
a housing comprising a proximal port formed as a bell mouth and a distal port formed as a contraction port; and
a plurality of cannulas each comprising an inner cannula section and an outer cannula section, wherein the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one of the plurality of cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section;
wherein the inner cannula sections of the plurality of cannulas are close to each other in a direction from the proximal port to the distal port so as to be disposed adjacent to one another at the ends thereof close to the distal port and away from one another at the end thereof close to the proximal port, wherein the outer cannula sections of the plurality of cannulas extend outwardly away from one another,
wherein the inner cannula sections of the plurality of cannulas are fixedly connected to an inner wall of the housing or integrally formed with the housing to form a plurality of fixed rigid channels, so as to avoid relative movements therebetween; and wherein
the single-port surgical device further comprises a plurality of connecting members for detachably and fixedly connecting to the plurality of motion arms of the medical device system respectively, wherein the plurality of connecting members are respectively disposed on the housing and the outer cannula sections of the plurality of cannulas or respectively disposed on the outer cannula sections of the plurality of cannulas.
2 . The single-port surgical device according to claim 1 , wherein at least a portion of the outer cannula section of at least one of the plurality of cannulas comprises a flexible material.
3 . The single-port surgical device according to claim 2 , wherein the flexible material includes thermoplastic elastomer, silicone or rubber.
4 . The single-port surgical device according to claim 1 , wherein at least a portion of the inner cannula section or the outer cannula section of the plurality of cannulas comprises a non-flexible material.
5 . The single-port surgical device according to claim 4 , wherein the non-flexible material includes plastic or a metal material.
6 . The single-port surgical device according to claim 1 , wherein the plurality of cannulas comprise at least one non-flexible cannula.
7 . The single-port surgical device according to claim 1 , wherein the outer cannula section of the plurality of cannulas comprises a telescopic tube, and wherein each telescopic tube is capable of telescopically moving in the axial direction of the outer cannula section to deform the outer cannula section in the axial direction.
8 . The single-port surgical device according to claim 7 , wherein each telescopic tube comprises an upper tube and a lower tube which are sleeved with each other and capable of sliding relative to each other.
9 . The single-port surgical device according to claim 8 , wherein each lower tube comprises a protruding portion extending outwardly in the radial direction, the protruding portion comprises an inner cavity and a sealing member disposed in the inner cavity, and the sealing member comprises a cutout.
10 . The single-port surgical device according to claim 1 , wherein each outer cannula section comprises a protruding portion extending outwardly in the radial direction, the protruding portion comprises an inner cavity and a sealing member disposed in the inner cavity, and the sealing member comprises a cutout.
11 . The single-port surgical device according to claim 1 , further comprising a sealing cover disposed at the proximal port of the housing, wherein the sealing cover is deformable and comprises a cutout.
12 . The single-port surgical device according to claim 1 , wherein each connecting member includes at least one of a protrusion, pincers, a snap-fit structure, an adhesive structure, a pluggable structure, or a suction structure.
13 . The single-port surgical device according to claim 1 , wherein at least one side tube is disposed on the housing, and the at least one side tube passes through a side wall of the housing and communicates with the distal port.
14 . The single-port surgical device according to claim 13 , wherein the at least one side tube comprises a first side tube and a second side tube which are spaced apart from each other in a circumferential direction of the housing.
15 . A medical device system, comprising:
a plurality of motion arms each comprising a plurality of arm bodies and a plurality of joints connecting the plurality of arm bodies;
a plurality of surgical instruments respectively disposed at ends of the plurality of motion arms, each surgical instrument comprising an end device disposed at an end thereof;
a control system in communication with the plurality of motion arms and for controlling the movement of the plurality of motion arms; and
a single-port surgical device comprising: a housing, the housing being tubular and comprising a proximal port formed as a bell mouth and a distal port formed as a contraction port; a plurality of cannulas for the plurality of surgical instruments to pass through, each of the plurality of cannulas comprising an inner cannula section and an outer cannula section, wherein the inner cannula section is located in the housing and communicates with the distal port of the housing, the outer cannula section is located outside the proximal port of the housing, and at least a portion of the outer cannula section of at least one of the plurality of cannulas is deformable in a radial direction, an axial direction or the radial direction and the axial direction of the outer cannula section;
wherein the inner cannula sections of the plurality of cannulas are close to each other in a direction from the proximal port to the distal port so as to be disposed adjacent to one another at the ends thereof close to the distal port and away from one another at the end thereof close to the proximal port, wherein the outer cannula sections of the plurality of cannulas extend outwardly away from one another,
wherein the inner cannula sections of the plurality of cannulas are fixedly connected to an inner wall of the housing or integrally formed with the housing to form a plurality of fixed rigid channels, so as to avoid relative movements therebetween; and wherein
the single-port surgical device further comprises a plurality of connecting members for detachably and fixedly connecting to the plurality of motion arms respectively, wherein the plurality of connecting members are respectively disposed on the housing and the outer cannula sections of the plurality of cannulas or respectively disposed on the outer cannula sections of the plurality of cannulas.
16 . The medical device system according to claim 15 , wherein the plurality of motion arms comprise a plurality of end arms, wherein the plurality of motion arms are configured to detachably connect to the plurality of surgical instruments respectively and to detachably connect to the plurality of connecting members of the single-port surgical device respectively, and wherein at least a portion of the plurality of surgical instruments are respectively capable of passing through the plurality of cannulas of the single-port surgical device and moving relative to the single-port surgical device.