US 2010/0160935 A1 · CLIP DEVICES AND METHODS OF DELIVERY AND DEPLOYMENT

Abstract

The present embodiments provide a clip device for engaging tissue. The clip device comprises at least first and second arms having proximal and distal ends. The clip device comprises an open state when the spring member is in a compressed state in which the distal end of the spring member is spaced further apart from the distal ends of the first and second arms. In the open state, the distal ends of the first and second arms tend to be spaced apart from each other. Further, the clip device comprises a closed state when the spring member is in a relaxed state in which the spring member is biased to extend distally towards the distal ends of the first and second arms. In the closed state, the distal ends of the first and second arms are adjacent to each other and may engage tissue and promote hemostatis. A delivery system and methods for deploying one or more clip devices also are provided.

Claims20

Dependent claims

A clip device for engaging tissue, the clip device comprising:

a first arm having proximal and distal ends;
a second arm having proximal and distal ends;
a proximal base member contacting the proximal ends of the first and second arms;
and
a spring member having proximal and distal ends, wherein the spring member is disposed to surround at least a portion of the first and second arms, and wherein the proximal end of the spring extends from the proximal base member,
wherein the clip device comprises an open state when the spring member is in a compressed state in which the distal end of the spring member is spaced apart from the distal ends of the first and second arms, and wherein the distal ends of the first and second arms tend to be spaced apart from each other when the clip device is in the open state, and
wherein the clip device comprises a closed state when the spring member is in a relaxed state in which the spring member is biased to extend distally towards the distal ends of the first and second arms, wherein the distal ends of the first and second arms are adjacent to each other when the clip device is in the closed state.

4 more elements

A system for deploying multiple clip devices in a sequential manner, the system comprising:

a first clip device having proximal and distal ends;
a second clip device having proximal and distal ends;
a catheter having a lumen, wherein the first clip device and the second clip device are configured to be selectively advanced through the lumen of the catheter;
and
a stylet disposed for longitudinal movement within the lumen of the catheter,
wherein the second clip device is configured to be disposed in the lumen of the catheter at a location distal to the stylet during delivery, and wherein the first clip device is configured to be disposed in the lumen of the catheter at a location distal to the second clip device during delivery,
wherein distal advancement of the stylet is adapted to cause distal advancement of the first and second clip devices to selectively deploy the first clip device and, subsequently, selectively deploy the second clip device, and
wherein both the first and second clip devices comprise closed states when disposed entirely within the lumen of the catheter, open states when extending partially distal to the catheter, and are biased to return to the closed states upon ejection from the catheter.

5 more elements

A method for deploying multiple clip devices, the method comprising:

providing first and second clip devices, wherein each of the first and second clip devices comprise at least first and second arms having proximal and distal ends;
loading the second clip device within a lumen of a catheter at a location distal to a stylet, and loading the first clip device within the lumen of the catheter at a location distal to the second clip device;
distally advancing the stylet to cause distal advancement of the first and second clip devices to selectively deploy the first clip device;
and
further distally advancing the stylet to selectively deploy the second clip device,
wherein both the first and second clip devices comprise closed states when disposed entirely within the lumen of the catheter, open states when extending partially distal to the catheter, and are biased to return to the closed states upon ejection from the catheter.

3 more elements

Dependencies are inferred from the claim text.

Clip devices and methods of delivery and deployment

Life of this patent

Clip devices and methods of delivery and deployment

Life of this patent

Abstract

Claims20