US20140309669A1 - Positioning tool for anastomosis - Google Patents
Positioning tool for anastomosis Download PDFInfo
- Publication number
- US20140309669A1 US20140309669A1 US13/862,431 US201313862431A US2014309669A1 US 20140309669 A1 US20140309669 A1 US 20140309669A1 US 201313862431 A US201313862431 A US 201313862431A US 2014309669 A1 US2014309669 A1 US 2014309669A1
- Authority
- US
- United States
- Prior art keywords
- magnet
- grasping
- stomach
- tool
- anastomosis
- 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.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- 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
- A61B2017/0034—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means adapted to be inserted through a working channel of an endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00876—Material properties magnetic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
- A61B2017/1117—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus adapted for discharge after necrotisation, e.g. by evacuation, expulsion or excretion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B2017/1139—Side-to-side connections, e.g. shunt or X-connections
Definitions
- the present invention generally relates to devices and methods for creating an anastomosis in the gastrointestinal (GI) tract, and particularly to a positioning aid for positioning a stomach anastomosis magnet relative to the pyloric valve (pylorus).
- GI gastrointestinal
- pyloric valve pylorus
- Magnetic anastomosis devices are used to create a channel between two viscera for the purpose of redirecting bodily fluids. For example, intestinal contents or bile may be redirected in patients who have developed an obstruction of the bowel or bile duct due to such conditions as tumor, ulcer, inflammatory strictures or trauma.
- Some magnetic anastomosis devices include first and second magnet assemblies comprising magnetic cores that are surrounded by thin metal rims.
- the walls of two adjacent viscera may be sandwiched and compressed between the magnet assemblies, resulting in ischemic necrosis of the walls to produce an anastomosis between the two viscera.
- the present invention seeks to provide a positioning aid for positioning a stomach anastomosis magnet relative to the pylorus, as is described more in detail hereinbelow.
- an assembly including a positioning tool that includes a probe affixed to a portion of a grasping tool, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a position for placing a magnet with the grasping tool.
- the assembly may further include a stomach anastomosis magnet that includes a holding portion for grasping with the grasping tool.
- a method including delivering a first magnet to a place in a stomach by grasping the first magnet with a grasping tool, wherein a positioning tool that includes a probe is affixed to a portion of the grasping tool, delivering a second magnet, either before or after delivery of the first magnet, to a place in an intestine past a pylorus, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a proper position for placing the first magnet in the stomach, and aligning the first and second magnets and releasing them so that magnetic forces attract the magnets together, compressing together walls of the intestine and the stomach for eventually forming an anastomosis.
- FIG. 1 is a simplified pictorial illustration of a positioning tool for use with a stomach anastomosis magnet, constructed and operative in accordance with an embodiment of the present invention
- FIG. 2 is a simplified illustration of the positioning tool attached to the stomach anastomosis magnet and properly distanced from the pylorus, in accordance with an embodiment of the present invention.
- FIGS. 1 and 2 illustrate a positioning tool 10 for use with a stomach anastomosis magnet 20 , constructed and operative in accordance with an embodiment of the present invention.
- the positioning tool 10 includes a probe 12 affixed to a portion of a grasping tool 14 , such as but not limited to, a distal end of a biopsy forceps or other endoscopic tool which may be delivered through an endoscope 16 (shown in FIG. 2 ).
- the stomach anastomosis magnet 20 has a holding portion 22 for grasping with grasping tool 14 .
- Magnet 20 is shown having a general disc shape, but other shapes, such as but not limited to, cylindrical, polygonal, ovoid, cube and others, can also be used. Magnet 20 may include a protective coating (such as, but not limited to, polytetrafluoroethylene) for protection of the magnetic core from corrosive digestive acids or other bodily fluids.
- a protective coating such as, but not limited to, polytetrafluoroethylene
- FIG. 2 illustrates magnets placed for forming an anastomosis between the stomach and a portion of the small intestine (such as the duodenum, jejunum or ileum).
- anastomosis magnet 24 has been delivered through the esophagus E, stomach S, pylorus P, duodenum D and jejunum J.
- Magnet 24 may be delivered by an endoscope, guidewire, catheter or other device, and is placed adjacent to the intestinal wall (e.g., of the jejunum) as shown in FIG. 2 .
- Magnet 20 is delivered to its place in the stomach by grasping with grasping tool 14 that passes through endoscope 16 , or it can be delivered by guidewire, catheter or other device, in a similar manner to introducing magnet 24 .
- Magnet 20 is positioned adjacent the wall of the stomach that borders the jejunum near the location of magnet 24 .
- the distance that probe 12 protrudes distally from grasping tool 14 is selected such that a distal tip 18 of probe 12 will touch the pylorus when stomach anastomosis magnet 20 is properly positioned opposite magnet 24 .
- the position of magnet 24 may be modified by its delivery system to align with magnet 20 .
- the magnets 20 and 24 may then be released so that the magnetic forces attract the magnets together, compressing together the walls of the jejunum and the stomach. Once necrosis of the walls of the stomach and the jejunum is complete, an anastomosis is formed.
- the magnets 20 and 24 can then pass through the body naturally or can be removed by means such as laparoscopic removal, endoscopic removal, or other procedure.
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physiology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Abstract
An assembly including a positioning tool that includes a probe affixed to a portion of a grasping tool, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a position for placing a magnet with the grasping tool.
Description
- The present invention generally relates to devices and methods for creating an anastomosis in the gastrointestinal (GI) tract, and particularly to a positioning aid for positioning a stomach anastomosis magnet relative to the pyloric valve (pylorus).
- Magnetic anastomosis devices are used to create a channel between two viscera for the purpose of redirecting bodily fluids. For example, intestinal contents or bile may be redirected in patients who have developed an obstruction of the bowel or bile duct due to such conditions as tumor, ulcer, inflammatory strictures or trauma. Some magnetic anastomosis devices include first and second magnet assemblies comprising magnetic cores that are surrounded by thin metal rims. Due to the magnetic attraction between the two magnetic cores, the walls of two adjacent viscera (e.g., the gall bladder, common bile duct, stomach, duodenum, or jejunum) may be sandwiched and compressed between the magnet assemblies, resulting in ischemic necrosis of the walls to produce an anastomosis between the two viscera.
- The present invention seeks to provide a positioning aid for positioning a stomach anastomosis magnet relative to the pylorus, as is described more in detail hereinbelow.
- There is thus provided in accordance with an embodiment of the present invention an assembly including a positioning tool that includes a probe affixed to a portion of a grasping tool, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a position for placing a magnet with the grasping tool. The assembly may further include a stomach anastomosis magnet that includes a holding portion for grasping with the grasping tool.
- There is provided in accordance with an embodiment of the present invention a method including delivering a first magnet to a place in a stomach by grasping the first magnet with a grasping tool, wherein a positioning tool that includes a probe is affixed to a portion of the grasping tool, delivering a second magnet, either before or after delivery of the first magnet, to a place in an intestine past a pylorus, wherein a distal tip of the probe protrudes distally from the grasping tool a distance corresponding to a proper position for placing the first magnet in the stomach, and aligning the first and second magnets and releasing them so that magnetic forces attract the magnets together, compressing together walls of the intestine and the stomach for eventually forming an anastomosis.
- The present invention will be understood and appreciated more fully from the following detailed description taken in conjunction with the drawings in which:
-
FIG. 1 is a simplified pictorial illustration of a positioning tool for use with a stomach anastomosis magnet, constructed and operative in accordance with an embodiment of the present invention; and -
FIG. 2 is a simplified illustration of the positioning tool attached to the stomach anastomosis magnet and properly distanced from the pylorus, in accordance with an embodiment of the present invention. - Reference is now made to
FIGS. 1 and 2 , which illustrate apositioning tool 10 for use with astomach anastomosis magnet 20, constructed and operative in accordance with an embodiment of the present invention. - The
positioning tool 10 includes aprobe 12 affixed to a portion of agrasping tool 14, such as but not limited to, a distal end of a biopsy forceps or other endoscopic tool which may be delivered through an endoscope 16 (shown inFIG. 2 ). Thestomach anastomosis magnet 20 has aholding portion 22 for grasping withgrasping tool 14. -
Magnet 20 is shown having a general disc shape, but other shapes, such as but not limited to, cylindrical, polygonal, ovoid, cube and others, can also be used.Magnet 20 may include a protective coating (such as, but not limited to, polytetrafluoroethylene) for protection of the magnetic core from corrosive digestive acids or other bodily fluids. -
FIG. 2 illustrates magnets placed for forming an anastomosis between the stomach and a portion of the small intestine (such as the duodenum, jejunum or ileum). In addition tomagnet 20, anotheranastomosis magnet 24 has been delivered through the esophagus E, stomach S, pylorus P, duodenum D andjejunum J. Magnet 24 may be delivered by an endoscope, guidewire, catheter or other device, and is placed adjacent to the intestinal wall (e.g., of the jejunum) as shown inFIG. 2 . -
Magnet 20 is delivered to its place in the stomach by grasping withgrasping tool 14 that passes throughendoscope 16, or it can be delivered by guidewire, catheter or other device, in a similar manner to introducingmagnet 24.Magnet 20 is positioned adjacent the wall of the stomach that borders the jejunum near the location ofmagnet 24. As seen inFIG. 2 , the distance thatprobe 12 protrudes distally fromgrasping tool 14 is selected such that adistal tip 18 ofprobe 12 will touch the pylorus whenstomach anastomosis magnet 20 is properly positioned oppositemagnet 24. The position ofmagnet 24 may be modified by its delivery system to align withmagnet 20. Themagnets magnets - It will be appreciated by persons skilled in the art that the present invention is not limited by what has been particularly shown and described hereinabove. Rather the scope of the present invention includes both combinations and subcombinations of the features described hereinabove as well as modifications and variations thereof which would occur to a person of skill in the art upon reading the foregoing description and which are not in the prior art.
Claims (3)
1. An assembly comprising:
a positioning tool that comprises a probe affixed to a portion of a grasping tool, wherein a distal tip of said probe protrudes distally from said grasping tool a distance corresponding to a position for placing a magnet with said grasping tool.
2. The assembly according to claim 1 , further comprising a stomach anastomosis magnet that comprises a holding portion for grasping with said grasping tool.
3. A method comprising:
delivering a first magnet to a place in a stomach by grasping said first magnet with a grasping tool, wherein a positioning tool that comprises a probe is affixed to a portion of said grasping tool;
delivering a second magnet, either before or after delivery of said first magnet, to a place in an intestine past a pylorus, wherein a distal tip of said probe protrudes distally from said grasping tool a distance corresponding to a proper position for placing said first magnet in the stomach; and
aligning said first and second magnets and releasing them so that magnetic forces attract said magnets together, compressing together walls of the intestine and the stomach for eventually forming an anastomosis.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/862,431 US20140309669A1 (en) | 2013-04-14 | 2013-04-14 | Positioning tool for anastomosis |
CN201480033057.XA CN105407815B (en) | 2013-04-14 | 2014-04-08 | For the positioning tool of anastomosis |
EP14729512.5A EP2986235B1 (en) | 2013-04-14 | 2014-04-08 | Positioning tool for anastomosis |
PCT/US2014/033260 WO2014172141A1 (en) | 2013-04-14 | 2014-04-08 | Positioning tool for anastomosis |
US15/181,501 US10881407B2 (en) | 2013-04-14 | 2016-06-14 | Positioning tool for anastomosis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/862,431 US20140309669A1 (en) | 2013-04-14 | 2013-04-14 | Positioning tool for anastomosis |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/181,501 Continuation US10881407B2 (en) | 2013-04-14 | 2016-06-14 | Positioning tool for anastomosis |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140309669A1 true US20140309669A1 (en) | 2014-10-16 |
Family
ID=50928250
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/862,431 Abandoned US20140309669A1 (en) | 2013-04-14 | 2013-04-14 | Positioning tool for anastomosis |
US15/181,501 Active US10881407B2 (en) | 2013-04-14 | 2016-06-14 | Positioning tool for anastomosis |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/181,501 Active US10881407B2 (en) | 2013-04-14 | 2016-06-14 | Positioning tool for anastomosis |
Country Status (4)
Country | Link |
---|---|
US (2) | US20140309669A1 (en) |
EP (1) | EP2986235B1 (en) |
CN (1) | CN105407815B (en) |
WO (1) | WO2014172141A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10154844B2 (en) | 2016-07-25 | 2018-12-18 | Virender K. Sharma | Magnetic anastomosis device and delivery system |
US10561423B2 (en) | 2016-07-25 | 2020-02-18 | Virender K. Sharma | Cardiac shunt device and delivery system |
US11304698B2 (en) | 2016-07-25 | 2022-04-19 | Virender K. Sharma | Cardiac shunt device and delivery system |
US20220346794A1 (en) * | 2021-04-30 | 2022-11-03 | Gt Metabolic Solutions, Inc. | Anastomosis formation with magnetic devices having bioresorbable retention member |
US11576676B2 (en) * | 2020-09-18 | 2023-02-14 | Gt Metabolic Solutions, Inc. | Anastomosis formation with magnetic devices having temporary retention member |
US11751877B2 (en) | 2018-06-02 | 2023-09-12 | G.I. Windows, Inc. | Systems, devices, and methods for forming anastomoses |
US11864764B2 (en) | 2021-04-20 | 2024-01-09 | G.I. Windows, Inc. | Systems, devices, and methods for endoscope or laparoscopic magnetic navigation |
US11864767B2 (en) | 2010-01-05 | 2024-01-09 | G.I. Windows, Inc. | Self-assembling magnetic anastomosis device having an exoskeleton |
US11998207B2 (en) | 2019-10-14 | 2024-06-04 | G.I. Windows, Inc. | Methods and apparatus for magnet-induced compression anastomosis between adjacent organs |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2453811B1 (en) | 2009-07-15 | 2021-09-01 | GT Metabolic Solutions, Inc. | Incisionless gastric bypass devices |
US11534171B2 (en) | 2020-12-18 | 2022-12-27 | Gt Metabolic Solutions, Inc. | Devices and methods for assisting magnetic compression anastomosis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100292729A1 (en) * | 2009-05-15 | 2010-11-18 | Wilson-Cook Medical Inc. | Delivery System for Magnetic Anastomosis Device |
US20120259350A1 (en) * | 2009-07-15 | 2012-10-11 | Michel Gagner | Incisionless Gastric Bypass Method And Devices |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3930757B2 (en) * | 2002-04-10 | 2007-06-13 | 有限会社 パックス オプティカ ジャパン | Organ anastomosis device |
US20060036267A1 (en) * | 2004-08-11 | 2006-02-16 | Usgi Medical Inc. | Methods and apparatus for performing malabsorptive bypass procedures within a patient's gastro-intestinal lumen |
EP2332473A1 (en) * | 2007-02-28 | 2011-06-15 | Wilson-Cook Medical INC. | Intestinal bypass using magnets |
US8685046B2 (en) * | 2008-08-05 | 2014-04-01 | Covidien Lp | Magnetic compression anastomosis device |
JP5449525B2 (en) * | 2009-04-03 | 2014-03-19 | クック メディカル テクノロジーズ エルエルシー | Delivery system for a magnetic anastomosis device |
WO2012170502A1 (en) * | 2011-06-09 | 2012-12-13 | Cook Medical Technologies Llc | Delivery system for magnetic anastomosis device |
-
2013
- 2013-04-14 US US13/862,431 patent/US20140309669A1/en not_active Abandoned
-
2014
- 2014-04-08 EP EP14729512.5A patent/EP2986235B1/en not_active Not-in-force
- 2014-04-08 CN CN201480033057.XA patent/CN105407815B/en not_active Expired - Fee Related
- 2014-04-08 WO PCT/US2014/033260 patent/WO2014172141A1/en active Application Filing
-
2016
- 2016-06-14 US US15/181,501 patent/US10881407B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100292729A1 (en) * | 2009-05-15 | 2010-11-18 | Wilson-Cook Medical Inc. | Delivery System for Magnetic Anastomosis Device |
US20120259350A1 (en) * | 2009-07-15 | 2012-10-11 | Michel Gagner | Incisionless Gastric Bypass Method And Devices |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11864767B2 (en) | 2010-01-05 | 2024-01-09 | G.I. Windows, Inc. | Self-assembling magnetic anastomosis device having an exoskeleton |
US10154844B2 (en) | 2016-07-25 | 2018-12-18 | Virender K. Sharma | Magnetic anastomosis device and delivery system |
US10561423B2 (en) | 2016-07-25 | 2020-02-18 | Virender K. Sharma | Cardiac shunt device and delivery system |
US11304698B2 (en) | 2016-07-25 | 2022-04-19 | Virender K. Sharma | Cardiac shunt device and delivery system |
US11751877B2 (en) | 2018-06-02 | 2023-09-12 | G.I. Windows, Inc. | Systems, devices, and methods for forming anastomoses |
US11998207B2 (en) | 2019-10-14 | 2024-06-04 | G.I. Windows, Inc. | Methods and apparatus for magnet-induced compression anastomosis between adjacent organs |
US11576676B2 (en) * | 2020-09-18 | 2023-02-14 | Gt Metabolic Solutions, Inc. | Anastomosis formation with magnetic devices having temporary retention member |
US11864764B2 (en) | 2021-04-20 | 2024-01-09 | G.I. Windows, Inc. | Systems, devices, and methods for endoscope or laparoscopic magnetic navigation |
US20220346794A1 (en) * | 2021-04-30 | 2022-11-03 | Gt Metabolic Solutions, Inc. | Anastomosis formation with magnetic devices having bioresorbable retention member |
US11583280B2 (en) * | 2021-04-30 | 2023-02-21 | Gt Metabolic Solutions, Inc. | Anastomosis formation with magnetic devices having bioresorbable retention member |
Also Published As
Publication number | Publication date |
---|---|
WO2014172141A1 (en) | 2014-10-23 |
CN105407815B (en) | 2018-06-08 |
EP2986235A1 (en) | 2016-02-24 |
US10881407B2 (en) | 2021-01-05 |
US20160287257A1 (en) | 2016-10-06 |
CN105407815A (en) | 2016-03-16 |
EP2986235B1 (en) | 2018-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: EASYNOTES LTD., ISRAEL Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:FABIAN, IZHAK;ALTMAN, NIR;HAAS, STEVEN;AND OTHERS;REEL/FRAME:030211/0358 Effective date: 20130313 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |