CLIPPING DEVICE
First Claim
1. A clipping device comprising:
- a clip loaded into a forward end portion of a sheath;
a manipulating wire connected to a rear end of the clip and used to pull the clip; and
a retention ring fitted onto the clip and fitted into the sheath so as to be capable of advancing and retreating,wherein the retention ring includes;
a resin retaining portion which has, at the same position in a clip pulling direction and at positions circumferentially spaced apart from each other, two or more skirt portions which, when being situated inside the sheath, are closed inwardly by being pressed by an inner wall of the sheath and which, when being situated outside of a forward end of the sheath, are opened in a width larger than an inner diameter of the sheath to prevent retreat into the sheath, anda metal clamping portion arranged on a forward end side of the retaining portion and, when being situated on a forward end side of the clip, abutting the clip to clamp the clip.
1 Assignment
0 Petitions
Accused Products
Abstract
A clipping device comprises: a clip loaded into a forward end portion of a sheath; a manipulating wire connected to a rear end of the clip; and a retention ring fitted onto the clip and fitted into the sheath so as to be capable of advancing and retreating. The retention ring includes: a resin retaining portion which has two or more skirt portions which, when being situated inside the sheath, are closed inwardly by being pressed by an inner wall of the sheath and which, when being situated outside of a forward end of the sheath, are opened in a width larger than an inner diameter of the sheath to prevent retreat into the sheath, and a metal clamping portion arranged on a forward end side of the retaining portion and, when being situated on a forward end side of the clip, abutting the clip to clamp it.
132 Citations
6 Claims
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1. A clipping device comprising:
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a clip loaded into a forward end portion of a sheath; a manipulating wire connected to a rear end of the clip and used to pull the clip; and a retention ring fitted onto the clip and fitted into the sheath so as to be capable of advancing and retreating, wherein the retention ring includes; a resin retaining portion which has, at the same position in a clip pulling direction and at positions circumferentially spaced apart from each other, two or more skirt portions which, when being situated inside the sheath, are closed inwardly by being pressed by an inner wall of the sheath and which, when being situated outside of a forward end of the sheath, are opened in a width larger than an inner diameter of the sheath to prevent retreat into the sheath, and a metal clamping portion arranged on a forward end side of the retaining portion and, when being situated on a forward end side of the clip, abutting the clip to clamp the clip.
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2. A clipping device of a magazine type comprising:
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a plurality of clips loaded into a forward end portion of a sheath while being engaged with other clips longitudinally connected together; at least one connection ring fitted into the sheath so as to be capable of advancing and retreating and covering an engagement portion of the clips to maintain the clips in a connected state; and a manipulating wire connected to a rearmost clip and adapted to pull a clip row formed of the plurality of clips, wherein the connection ring includes; a resin retaining portion which has, at the same position in a clip pulling direction and at positions circumferentially spaced apart from each other, two or more skirt portions which, when being situated inside the sheath, are closed inwardly by being pressed by an inner wall of the sheath and which, when being situated outside of a forward end of the sheath, are opened in a width larger than an inner diameter of the sheath to prevent retreat into the sheath, and a metal clamping portion arranged on a forward end side of the retaining portion and, when being situated on a forward end side of the clip, abutting the clip to clamp the clip. - View Dependent Claims (3, 4, 5, 6)
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Specification