JPWO2020104419A5

JPWO2020104419A5 -

Info

Publication number: JPWO2020104419A5
Application number: JP2021525800A
Authority: JP
Publication date: 2022-11-09
Anticipated expiration: 2039-11-19

Claims

An interface joint for interconnecting an electrosurgical generator and an electrosurgical instrument, comprising:
a housing,
an inlet for receiving electromagnetic energy from the electrosurgical generator;
an exit;
the housing having
a slidable trigger on the housing, the slidable trigger attached to a push rod extending out of the housing through the outlet;
a single cable assembly for connecting the outlet to the electrosurgical instrument, the single cable assembly including a flexible sleeve carrying the push rod and a coaxial cable connected to the inlet;
a reinforcing element coupled to a first portion of said push rod for reinforcing said first portion, said first portion being disposed partially or completely inside said housing; a reinforcing element;
said interface joint.

2. The interface joint of claim 1, wherein said stiffening element is secured to said first portion to prevent relative movement between said stiffening element and said first portion.

3. An interface joint according to claim 1 or 2, wherein said reinforcing element is a support tube surrounding said first portion.

4. The interface of any one of claims 1-3 , wherein the flexible sleeve includes an inner tube surrounding the second portion of the push rod, the inner tube freely sliding relative to the push rod. Joint.

5. The interface joint of Claim 4, wherein the inner tube is a single lumen tube.

6. The interface joint of claim 4 or 5, further comprising a slide limiting mechanism coupled to the pushrod and configured to limit the maximum sliding distance of the inner tube on the pushrod.

The slide limiting mechanism includes a first stop element secured to the outer surface of the push rod distal to the inner tube, the first stop element causing the inner tube to cross the first stop element. 7. The interface joint of claim 6, configured to prevent sliding therethrough.

The slide limiting mechanism includes a second stop element secured to the outer surface of the push rod proximal to the inner tube, the second stop element configured to allow the inner tube to extend beyond the second stop element. 8. The interface joint of claim 7, configured to prevent sliding through the .

9. The interface joint of Claim 8, wherein the second stop element is spaced from the distal end of the push rod.

10. The claim 8 or 9, wherein the first stop element and the second stop element are arranged with respect to each other such that the maximum sliding distance of the inner tube on the push rod is between 4 mm and 10 mm. interface joints.

11. An interface joint as claimed in any one of claims 8 to 10 when depending directly or indirectly on claim 2, wherein said reinforcing element comprises said second stopper element.

said housing having a pistol-like shape having an upper barrel portion and a lower adjacent portion extending away from a proximal end of said upper barrel portion;
The upper barrel portion includes a slot in its outer surface, the slidable trigger is slidably secured to the upper barrel portion for sliding within the slot, and the slidable trigger extends into the housing. and an integral elongated portion within said housing, said button portion being shorter in length than said elongated portion;
the slot is positioned toward the proximal end of the upper barrel portion and the button portion is positioned toward the proximal end of the elongated portion ;
Interface joint according to any one of claims 1 to 11 .

13. The interface joint of claim 12, wherein the upper barrel portion has a length between 115mm and 125mm and the lower abutment portion has a length between 100mm and 110mm.

14. An interface joint according to claim 12 or 13, wherein the slot has a length between 54mm and 58mm and a width between 1.0mm and 1.6mm.

An interface joint for interconnecting an electrosurgical generator and an electrosurgical instrument, comprising:
a housing,
an inlet for receiving electromagnetic energy from the electrosurgical generator;
an exit;
the housing having
a slidable trigger on the housing, the slidable trigger attached to a push rod extending out of the housing through the outlet;
A single cable assembly for connecting the outlet to the electrosurgical instrument, comprising a flexible sleeve carrying the push rod and a coaxial cable connected to the inlet, the flexible sleeve connecting the push rod to the inlet. said single cable assembly including an inner tube surrounding a portion of a rod, said inner tube freely sliding relative to said push rod;
a slide limiting mechanism coupled to the push rod and configured to limit the maximum sliding distance of the inner tube on the push rod;
said interface joint.

The flexible sleeve includes a braided tube wrap-mounted between a radially inner polymer layer and a radially outer polymer layer, the braided tube radially extending over two or more of the wrap-mounted braided wires. 16. An interface joint according to any one of the preceding claims , comprising spaced layers.

17. The interface joint of claim 16, wherein adjacent layers of the wrap-mounted braided wire have opposite wrapping directions.