Device and method for unlatching a surgical clip
The present disclosure is directed a method and device for unlatching a clip. The clip may have first and second leg members, the first leg member having a hook member and the second leg member having a tip member restrained by the hook member in the latched configuration. The method may include receiving the clip between first and second jaw members of a device and engaging the hook member of the first leg member with a wall of the second jaw member. The method may further include pressing on an outer surface of the first leg member with the first jaw member to open the hook member and release the clip from the latched configuration and receiving the tip member in a channel of the second jaw member after being unrestrained by the hook member where the tip member is spaced apart from the hook member.
1 . A device for unlatching a clip from a latched configuration, the clip comprising first and second leg members, the first leg member having a hook member and the second leg member having a tip member restrained by the hook member in the latched configuration, the device comprising:
a first jaw member configured to press on an outer surface of the first leg member to release the clip from the latched configuration; and
a second jaw member having a wall configured to engage the hook member and a channel configured to receive the tip member when unrestrained by the hook member;
wherein the wall has a groove configured to receive the hook member, and the groove has a distal slope configured to deflect the hook member.
2 . The device of claim 1 , wherein the first jaw member has a length that is shorter than a length of the second jaw member.
3 . The device of claim 1 , wherein at least a portion of the channel is open on lateral sides.
4 . The device of claim 1 , wherein the first jaw member has a channel configured to receive the outer surface of the first leg member.
5 . The device of claim 1 , wherein the first jaw member includes at least one tooth configured to engage the outer surface of the first leg member.
6 . The device of claim 1 , wherein the channel of the second jaw member has a distal portion that has a distal slope.
7 . The device of claim 1 , wherein the channel of the second jaw member has a proximal portion that has a proximal slope.
8 . The device of claim 1 , wherein the channel of the second jaw member has a distal portion with a first width and a proximal portion with a second width, wherein the first width is greater than the second width.
9 . The device of claim 1 , wherein at least one of the first jaw member and the second jaw member has an aperture to allow visualization of the clip.
10 . The device of claim 1 , wherein the first jaw member has at least one engagement member configured to secure the clip to the device for extraction after unlatching.
11 . The device of claim 10 , wherein the at least one engagement member includes first and second engagement members configured to receive therebetween a portion of the clip.
12 . The device of claim 11 , wherein the first and second engagement members comprise first and second hook members extending inwardly towards each other.
13 . The device of claim 1 , wherein the device includes a proximal recess formed between the first jaw member and the second jaw member configured to receive a hinge member of the clip.
14 . A device for unlatching a clip from a latched configuration, the clip comprising first and second leg members, the first leg member having a hook member and the second leg member having a tip member restrained by the hook member in the latched configuration, the device comprising:
a first jaw member configured to press on an outer surface of the first leg member to release the clip from the latched configuration; and
a second jaw member having a wall configured to engage the hook member and a channel configured to receive the tip member when unrestrained by the hook member;
wherein the first jaw member includes first and second engagement members configured to receive therebetween a portion of the clip and to secure the clip to the device for extraction after unlatching, and
wherein the first and second engagement members comprise first and second hook members extending inwardly towards each other.
15 . A method of unlatching a clip from a latched configuration, the clip comprising first and second leg members having distal portions that are engaged with each other in the latched configuration, the method comprising:
receiving the clip between first and second jaw members of a device;
pressing on an outer surface of the first leg member with the first jaw member to release the clip from the latched configuration;
receiving the distal portion of the second leg member in a channel of the second jaw member after being unrestrained by the first leg member; and
engaging the distal portion of the first leg member with a wall of the second jaw member;
wherein engaging the distal portion of the first leg member includes receiving the distal portion of the first leg member in a groove on the wall, and
wherein the groove has a distal slope to open the distal portion of the first leg member.
16 . The method of claim 15 , wherein the first jaw member has a length that is shorter than a length of the second jaw member.
17 . The method of claim 15 , wherein the distal portion of the first leg member has a hook member and the distal portion of the second leg member has a tip member restrained by the hook member in the latched configuration, the first leg member is deflected when pressed to release the clip from the latched configuration, and the tip member is spaced apart from the hook member when received in the channel of the second jaw member.
18 . The method of claim 15 , wherein pressing on the outer surface of the first leg member includes pressing on a midsection of the outer surface of the first leg member with the first jaw member.
19 . The method of claim 15 , further comprising receiving an outer surface of the first leg member in a channel of the first jaw member.
20 . The method of claim 15 , further comprising receiving a hinge member of the clip in a proximal recess of the device formed between the first jaw member and the second jaw member.
21 . The method of claim 15 , further comprising receiving a portion of the first leg member between first and second engagement members of the first jaw member.