CA2659591A1 - Papilla spreader - Google Patents
Papilla spreader Download PDFInfo
- Publication number
- CA2659591A1 CA2659591A1 CA002659591A CA2659591A CA2659591A1 CA 2659591 A1 CA2659591 A1 CA 2659591A1 CA 002659591 A CA002659591 A CA 002659591A CA 2659591 A CA2659591 A CA 2659591A CA 2659591 A1 CA2659591 A1 CA 2659591A1
- Authority
- CA
- Canada
- Prior art keywords
- spreader
- arms
- retainer
- catheter
- proximal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 0 C*(*)CC[C@@](C)(CN)C(C[C@@]1C=**1N)C[N+]([O-])=O Chemical compound C*(*)CC[C@@](C)(CN)C(C[C@@]1C=**1N)C[N+]([O-])=O 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00292—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
- A61B2017/00575—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect for closure at remote site, e.g. closing atrial septum defects
- A61B2017/00623—Introducing or retrieving devices therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2002/041—Bile ducts
Abstract
The present inyention provides apparatus and methods for facilitating. entry through a bodily opening (105) comprising a spreader (20) having a plurality of arms, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position. At least one Of the arms has an engaging member having a sharpness adapted to grasp tissue. When the spreader is radially deployed to the open position the engaging member (32, 34, 36) grasps tissue adjacent the bodily opening and urges the tissue away from the opening to facilitate visualization of the opening and/or access into the opening. A catheter (50) or other device may subsequently be inserted between one or more arms of the spreader and through the bodily opening while the spreader holds the tissue in a spread position.
Claims (22)
1. Apparatus for facilitating entry through a bodily opening, the apparatus comprising:
a spreader having a proximal region and a plurality of arms, each of the arms having a proximal end and a distal end, wherein the proximal end of each of the arms is joined to the proximal region of the spreader and extends distally therefrom, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position and adjacent to each other when the spreader is in a closed position; and at least one engaging member disposed near the distal end of each arm, each engaging member adapted to grasp tissue, wherein a transformation of the spreader from the closed position to the open position is adapted to spread tissue in the vicinity of the bodily opening.
a spreader having a proximal region and a plurality of arms, each of the arms having a proximal end and a distal end, wherein the proximal end of each of the arms is joined to the proximal region of the spreader and extends distally therefrom, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position and adjacent to each other when the spreader is in a closed position; and at least one engaging member disposed near the distal end of each arm, each engaging member adapted to grasp tissue, wherein a transformation of the spreader from the closed position to the open position is adapted to spread tissue in the vicinity of the bodily opening.
2. The apparatus of claim 1 wherein the engaging member comprises at least one barb.
3. The apparatus of claim 1 wherein the engaging member comprises a roughened surface.
4. The apparatus of claim 1 further comprising a catheter having proximal and distal ends and a first lumen disposed between therebetween, wherein the first lumen is adapted to receive the spreader and constrain the arms of the spreader in the closed position.
5. The apparatus of claim 4 wherein the catheter comprises an outer diameter configured to allow the catheter to be advanced between at least two of the arms of the spreader when the spreader is in the open position.
6. The apparatus of claim 4 wherein the arms of the spreader are adapted to be transformed from the open position to the closed position when the catheter is advanced distally over the arms.
7. The apparatus of claim 1 further comprising:
a first retainer disposed near the proximal region of the spreader; and a second retainer adapted to be coupled to the first retainer prior to deployment of the spreader, and further configured to be disengaged from the first retainer after the spreader is deployed.
a first retainer disposed near the proximal region of the spreader; and a second retainer adapted to be coupled to the first retainer prior to deployment of the spreader, and further configured to be disengaged from the first retainer after the spreader is deployed.
8. The apparatus of claim 7 wherein one of the first retainer and the second retainer comprises a looped region and the other comprises a hook member.
9. The apparatus of claim 1 wherein the spreader comprises a shape memory property to facilitate removal of the spreader from engagement to the tissue upon exposure of a predetermined temperature to the spreader.
10. A method for facilitating entry through a bodily opening, the method comprising:
providing a spreader having a plurality of arms, each of the arms having a proximal and distal end;
positioning the spreader in the vicinity of target tissue;
deploying the spreader to engage the target tissue such that the distal ends of each of the arms are spaced apart from each other and spread the target tissue in a direction away from the bodily opening to facilitate entry into the bodily opening.
providing a spreader having a plurality of arms, each of the arms having a proximal and distal end;
positioning the spreader in the vicinity of target tissue;
deploying the spreader to engage the target tissue such that the distal ends of each of the arms are spaced apart from each other and spread the target tissue in a direction away from the bodily opening to facilitate entry into the bodily opening.
11. The method of claim 10 wherein the spreader comprises a plurality of arms, the method further comprising providing the spreader in a closed position wherein each of the arms are adjacent to each other.
12. The method of claim 11 further comprising:
providing a catheter having proximal and distal ends and a first lumen disposed between the proximal and distal ends;
constraining the spreader in the closed position within the first lumen; and proximally retracting the catheter with respect to the spreader to cause the arms to be spaced apart from each other in an open position.
providing a catheter having proximal and distal ends and a first lumen disposed between the proximal and distal ends;
constraining the spreader in the closed position within the first lumen; and proximally retracting the catheter with respect to the spreader to cause the arms to be spaced apart from each other in an open position.
13. The method of claim 12 further comprising advancing the catheter between at least two of the arms of the spreader when the spreader is in the open position.
14. The method of claim 12 further comprising facilitating removal of the spreader from engagement with the tissue by distally advancing the catheter over the arms of the spreader.
15. The method of claim 10 further comprising:
providing a first retainer disposed near a proximal region of the spreader;
coupling the first retainer to a second retainer prior to deployment of the spreader; and disengaging the first retainer from the second retainer after the spreader is deployed.
providing a first retainer disposed near a proximal region of the spreader;
coupling the first retainer to a second retainer prior to deployment of the spreader; and disengaging the first retainer from the second retainer after the spreader is deployed.
16. The method of claim 10 further comprising providing the spreader with a shape memory property and facilitating removal of the spreader from engagement to the tissue by exposing the spreader to a predetermined temperature.
17. Apparatus for facilitating entry through a bodily opening, the apparatus comprising:
a spreader having a proximal region and a plurality of arms, each of the arms having a proximal end and a distal end, wherein the proximal end of each of the arms is joined to a first retainer and extends distally therefrom, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position and adjacent to each other when the spreader is in a closed position;
at least one engaging member disposed near the distal end of each arm, each engaging member adapted to grasp tissue situated in the vicinity of the bodily opening;
a second retainer adapted to be coupled to the first retainer prior to deployment of the spreader, and further configured to be disengaged from the first retainer after the spreader is deployed; and a catheter having proximal and distal ends and a first lumen disposed therebetween, wherein the first lumen is adapted to receive the spreader and constrain the arms of the spreader in the closed position, wherein the catheter comprises an outer diameter configured to allow the catheter to be advanced between at least two of the arms of the spreader when the spreader is in the open position.
a spreader having a proximal region and a plurality of arms, each of the arms having a proximal end and a distal end, wherein the proximal end of each of the arms is joined to a first retainer and extends distally therefrom, each of the arms being formed of a resilient material and shaped so that the distal ends tend to be spaced apart from each other when the spreader is in an open position and adjacent to each other when the spreader is in a closed position;
at least one engaging member disposed near the distal end of each arm, each engaging member adapted to grasp tissue situated in the vicinity of the bodily opening;
a second retainer adapted to be coupled to the first retainer prior to deployment of the spreader, and further configured to be disengaged from the first retainer after the spreader is deployed; and a catheter having proximal and distal ends and a first lumen disposed therebetween, wherein the first lumen is adapted to receive the spreader and constrain the arms of the spreader in the closed position, wherein the catheter comprises an outer diameter configured to allow the catheter to be advanced between at least two of the arms of the spreader when the spreader is in the open position.
18. The apparatus of claim 17 wherein a transformation of the spreader from the closed position to the open position is adapted to spread tissue in the vicinity of the bodily opening.
19. The apparatus of claim 17 wherein the arms of the spreader are adapted to be transformed from the open position to the closed position when the catheter is advanced distally over the arms.
20. The apparatus of claim 17 wherein one of the first retainer and the second retainer comprises a looped region and the other comprises a hook member.
21. The apparatus of claim 17 wherein the second retainer comprises a wire having proximal and distal ends and a hook member disposed at the distal end, wherein the hook member is adapted to be disposed through a loop member on the spreader prior to deployment of the spreader.
22. The apparatus of claim 17 wherein the second retainer comprises a rod having proximal and distal ends and a bore disposed near the distal end, wherein a looped member on the spreader is adapted to be disposed at least partially through the bore prior to deployment of the spreader.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83083506P | 2006-07-14 | 2006-07-14 | |
| US60/830,835 | 2006-07-14 | ||
| PCT/US2007/015803 WO2008008384A2 (en) | 2006-07-14 | 2007-07-11 | Papilla spreader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2659591A1 true CA2659591A1 (en) | 2008-01-17 |
| CA2659591C CA2659591C (en) | 2012-09-04 |
Family
ID=38857911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2659591A Active CA2659591C (en) | 2006-07-14 | 2007-07-11 | Papilla spreader |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8425412B2 (en) |
| EP (1) | EP2040788B1 (en) |
| JP (1) | JP2009543660A (en) |
| AT (1) | ATE547143T1 (en) |
| AU (1) | AU2007272981B2 (en) |
| CA (1) | CA2659591C (en) |
| WO (1) | WO2008008384A2 (en) |
Families Citing this family (13)
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| US9445801B2 (en) | 2013-03-15 | 2016-09-20 | Cook Medical Technologies Llc | Medical device with selective rigidity |
| US20140336464A1 (en) * | 2013-05-08 | 2014-11-13 | Boston Scientific Scimed, Inc. | Expansion devices and methods of use thereof |
| CN107072774B (en) * | 2014-06-18 | 2019-09-06 | 波士顿科学国际有限公司 | Biliary tract rack |
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| CN110740694B (en) | 2017-03-21 | 2023-03-28 | 泰利福医疗公司 | Clip applier with replaceable tip |
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| CN110384569A (en) * | 2019-07-24 | 2019-10-29 | 苏州大学附属第一医院 | A kind of preparation method of recoverability obstruction of bile duct rat model |
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| JP4472217B2 (en) | 2000-10-16 | 2010-06-02 | オリンパス株式会社 | Biological tissue clip device |
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| JP4097924B2 (en) | 2001-02-05 | 2008-06-11 | オリンパス株式会社 | Biological tissue clip device |
| JP2002224124A (en) | 2001-02-06 | 2002-08-13 | Olympus Optical Co Ltd | Ligating device |
| JP4059656B2 (en) | 2001-03-07 | 2008-03-12 | オリンパス株式会社 | Biological tissue clip device |
| JP4827304B2 (en) | 2001-03-14 | 2011-11-30 | オリンパス株式会社 | Biological tissue clip device |
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| JP4578708B2 (en) | 2001-03-26 | 2010-11-10 | オリンパス株式会社 | Biological tissue clip device |
| DE60225303T2 (en) | 2001-08-31 | 2009-02-26 | Mitral Interventions, Redwood City | DEVICE FOR A HEART LAPSE REPAIR |
| US7094245B2 (en) | 2001-10-05 | 2006-08-22 | Scimed Life Systems, Inc. | Device and method for through the scope endoscopic hemostatic clipping |
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| JP4362069B2 (en) | 2002-04-15 | 2009-11-11 | ウィルソン−クック メディカル インコーポレイテッド | Hemostatic clip device |
| US7727247B2 (en) | 2002-08-21 | 2010-06-01 | Olympus Corporation | Living tissue ligation device |
| EP2522283A3 (en) | 2003-03-17 | 2012-11-28 | Sumitomo Bakelite Co., Ltd. | Clip and clipping instrument for biological tissues |
| JP4266738B2 (en) | 2003-07-02 | 2009-05-20 | オリンパス株式会社 | Ligation device |
-
2007
- 2007-07-11 US US11/776,212 patent/US8425412B2/en active Active
- 2007-07-11 CA CA2659591A patent/CA2659591C/en active Active
- 2007-07-11 WO PCT/US2007/015803 patent/WO2008008384A2/en active Application Filing
- 2007-07-11 AU AU2007272981A patent/AU2007272981B2/en not_active Ceased
- 2007-07-11 AT AT07810342T patent/ATE547143T1/en active
- 2007-07-11 EP EP07810342A patent/EP2040788B1/en active Active
- 2007-07-11 JP JP2009520764A patent/JP2009543660A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009543660A (en) | 2009-12-10 |
| US20080015416A1 (en) | 2008-01-17 |
| EP2040788B1 (en) | 2012-02-29 |
| EP2040788A2 (en) | 2009-04-01 |
| AU2007272981B2 (en) | 2013-05-16 |
| ATE547143T1 (en) | 2012-03-15 |
| AU2007272981A1 (en) | 2008-01-17 |
| CA2659591C (en) | 2012-09-04 |
| WO2008008384A3 (en) | 2008-05-02 |
| US8425412B2 (en) | 2013-04-23 |
| WO2008008384A2 (en) | 2008-01-17 |
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