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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0273155 (2014-05-08) |
| 등록번호 | US-9968452 (2018-05-15) |
| 우선권정보 | WO-PCT/IL2010/000358 (2010-05-04) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 322 |
Apparatus is provided, including a first catheter having a distal end portion transluminally advanceable to a vicinity of an anatomical site, a second catheter having a distal end portion advanceable through a first lumen and out of the first lumen, and a longitudinal implant, advanceable through th
Apparatus is provided, including a first catheter having a distal end portion transluminally advanceable to a vicinity of an anatomical site, a second catheter having a distal end portion advanceable through a first lumen and out of the first lumen, and a longitudinal implant, advanceable through the second lumen and out of the second lumen. The first and second catheters are assembled to facilitate sliding of the first and second catheters and of the implant, to configure them to assume a multi-bend formation having first and second bends separating first, second, and third domains. The first domain includes parts of the first and second catheters. The second domain includes the distal end portion of the second catheter, part of the implant, and none of the first catheter. The third domain includes part of the implant and none of the first nor second catheters. Other embodiments are also described.
1. A system comprising: a first catheter, shaped to define a first lumen therethrough, a distal end portion of the first catheter being transluminally advanceable to a vicinity of an anatomical site;a second catheter slidable within the first catheter, the second catheter shaped to define a second l
1. A system comprising: a first catheter, shaped to define a first lumen therethrough, a distal end portion of the first catheter being transluminally advanceable to a vicinity of an anatomical site;a second catheter slidable within the first catheter, the second catheter shaped to define a second lumen therethrough, a distal end portion of the second catheter being (i) advanceable through the first lumen and out of a distal end of the first catheter, and (ii) steerable in a plane;a longitudinal implant, slidable within the second catheter and advanceable through at least part of the second lumen and out of a distal end of the second catheter, the implant having a lateral wall;a channel having an opening at a distal end thereof, the channel being advanceable within a lumen of the implant, wherein the channel is configured to sandwich a portion of the lateral wall of the implant between (1) a perimeter of the channel surrounding the opening in the channel, and (2) a region of cardiac tissue,at least one tissue anchor configured to penetrate and pass though material of the lateral wall of the longitudinal implant while at least a portion of the implant is within the second lumen of the second catheter; andwherein the system has a state in which the first and second catheters are assembled such that the first catheter, the second catheter, and the implant can assume a multi-bend formation in which: a first bend of the formation separates a first domain of the formation from a second domain of the formation,a second bend of the formation separates the second domain of the formation from a third domain of the formation,the first domain comprises at least (1) a first part of the first catheter and (2) a first part of the second catheter,the second domain comprises the distal end portion of the second catheter, a first part of the implant, and none of the first catheter, and the second domain is disposed in the plane, andthe third domain (a) comprises a second part of the implant, none of the first catheter, and none of the second catheter, and (b) extends out of the plane. 2. The system according to claim 1, wherein a third bend of the formation separates the first domain from a fourth domain, and the fourth domain comprises at least (1) a second part of the first catheter and (2) a second part of the second catheter. 3. The system according to claim 1, wherein the first domain of the multi-bend formation comprises the first part of the first catheter, the first part of the second catheter, and a third part of the implant. 4. The system according to claim 1, wherein the at least one tissue anchor is configured to anchor a distal end portion of the longitudinal implant to tissue of the subject, and wherein the tissue anchor facilitates formation of the second bend. 5. The system according to claim 1, wherein the at least one tissue anchor is configured to anchor a distal end portion of the longitudinal implant to tissue of the subject, and wherein the tissue anchor and the channel facilitate formation of the second bend. 6. The system according to claim 1, wherein the channel is steerable. 7. The apparatus system of claim 1, wherein the tissue anchor is configured to be deployed from the opening and through the portion of the lateral wall during sandwiching of the portion of the lateral wall of the implant between (1) the perimeter of the channel surrounding the opening in the channel, and (2) the region of cardiac tissue. 8. A system comprising: a first catheter, shaped to define a first lumen therethrough, a distal end portion of the first catheter being transluminally advanceable to a vicinity of an anatomical site;a second catheter slidable within the first catheter, the second catheter shaped to define a second lumen therethrough, a distal end portion of the second catheter being (i) advanceable through the first lumen and out of a distal end of the first catheter, and (ii) steerable in a plane;a longitudinal implant, slidable within the second catheter and advanceable through at least part of the second lumen and out of a distal end of the second catheter, the implant having a lateral wall;at least one tissue anchor configured to penetrate and pass though material of the lateral wall of the longitudinal implant;a proximal extracorporeal portion;a first locking mechanism located at respective distal portions of the first and second catheters, the first locking mechanism being configured to rotationally lock the first catheter with respect to the second catheter at the respective distal portions; anda second locking mechanism, the proximal extracorporeal portion comprising the second locking mechanism, the second locking mechanism being configured to rotationally lock the first catheter with respect to the second catheter at the proximal extracorporeal portion,wherein: the system has a state in which the first and second catheters are assembled such that the first catheter, the second catheter, and the implant can assume a multi-bend formation in which: a first bend of the formation separates a first domain of the formation from a second domain of the formation,a second bend of the formation separates the second domain of the formation from a third domain of the formation,the first domain comprises at least (1) a first part of the first catheter and (2) a first part of the second catheter,the second domain comprises the distal end portion of the second catheter, a first part of the implant, and none of the first catheter, and the second domain is disposed in the plane, andthe third domain (a) comprises a second part of the implant, none of the first catheter, and none of the second catheter, and (b) extends out of the plane, andthe proximal extracorporeal portion is configured to facilitate sliding of the second catheter within the first catheter, and sliding of the implant within the second catheter, and to configure the first catheter, the second catheter and the implant to assume the multi-bend formation. 9. The system of claim 8, wherein the first locking mechanism comprises a detent at the distal portion of the second catheter, and wherein the first catheter is shaped so as to define a slit at the distal portion thereof for engaging the detent of the second catheter to lock the second catheter to the first catheter. 10. The system of claim 8, wherein the second locking mechanism comprises a housing coupled to the first catheter, the housing being shaped so as to define a groove, and wherein the second catheter is shaped so as to define a protrusion at a proximal portion thereof for engaging the groove of the housing to lock the second catheter to the first catheter. 11. The system of claim 8, wherein the first and the second locking mechanisms are configured to lock substantially simultaneously. 12. The system according to claim 8, wherein, when the distal end portion of the second catheter is disposed outside of the distal end of the first catheter, the proximal extracorporeal portion is configured to bend the distal end portion of the second catheter independently of bending of the distal end portion of the first catheter. 13. The system according to claim 8, wherein the proximal extracorporeal portion comprises: a first control mechanism configured to steer the first catheter; anda second control mechanism configured to steer the second catheter;wherein the first control mechanism and the second control mechanism are configured to control relative movement of the implant, by controlling the first and second catheters, respectively. 14. A method for use with a subject, the method comprising: transluminally advancing to a vicinity of an anatomical site, a distal end portion of a first catheter of a system, the first catheter being shaped to define a first lumen therethrough;advancing, by sliding, a distal end portion of a second catheter of the system through the first lumen and out of a distal end of the first catheter, the second catheter being shaped to define a second lumen therethrough, and the distal end portion of the second catheter being steerable in a plane;advancing, by sliding, a longitudinal implant of the system through at least part of the second lumen and out of a distal end of the second catheter, the implant having a lateral wall;arranging the system in a state in which the first and second catheters are assembled such that the first catheter, the second catheter, and the implant assume a multi-bend formation in which: a first bend of the formation separates a first domain of the formation from a second domain of the formation,a second bend of the formation separates the second domain of the formation from a third domain of the formation,the first domain comprises at least (1) a first part of the first catheter and (2) a first part of the second catheter,the second domain comprises the distal end portion of the second catheter, a first part of the implant, and none of the first catheter, and the second domain is disposed in the plane, andthe third domain (a) comprises a second part of the implant, none of the first catheter, and none of the second catheter, and (b) extends out of the plane;advancing through a lumen of the implant a channel having an opening at a distal end thereof;sandwiching a portion of the lateral wall of the implant between (1) a perimeter of the channel surrounding the opening in the channel, and (2) a region of cardiac tissue; andpenetrating material of the lateral wall of the longitudinal implant using at least one tissue anchor and passing the at least one tissue anchor through the material of the lateral wall while at least a portion of the implant is within the second lumen of the second catheter. 15. The method according to claim 14, further comprising configuring the first catheter and the second catheter to create a third bend of the formation that separates the first domain from a fourth domain, and the fourth domain comprises at least (1) a second part of the first catheter and (2) a second part of the second catheter. 16. A system comprising: a first catheter, shaped to define a first lumen therethrough, a distal end portion of the first catheter being transluminally advanceable to a vicinity of an anatomical site;a second catheter slidable within the first catheter, the second catheter shaped to define a second lumen therethrough, a distal end portion of the second catheter being (i) advanceable through the first lumen and out of a distal end of the first catheter, and (ii) steerable in a plane;a longitudinal implant, slidable within the second catheter and advanceable through at least part of the second lumen and out of a distal end of the second catheter, the implant having a lateral wall;at least one tissue anchor configured to penetrate and pass though material of the lateral wall of the longitudinal implant;an adjustment mechanism coupled to the implant at a distal portion of the implant at the third domain, the adjustment mechanism being configured to adjust a degree of tension of the implant;a guide member that is reversibly coupled to the adjustment mechanism at a distal portion of the guide member; anda channel having an opening at a distal end thereof, the channel being advanceable within a lumen of the implant,wherein: (a) the system has a state in which the first and second catheters are assembled such that the first catheter, the second catheter, and the implant can assume a multi-bend formation in which: a first bend of the formation separates a first domain of the formation from a second domain of the formation,a second bend of the formation separates the second domain of the formation from a third domain of the formation,the first domain comprises at least (1) a first part of the first catheter and (2) a first part of the second catheter,the second domain comprises the distal end portion of the second catheter, a first part of the implant, and none of the first catheter, and the second domain is disposed in the plane, andthe third domain (a) comprises a second part of the implant, none of the first catheter, and none of the second catheter, and (b) extends out of the plane, and(b) a generally-triangular shape is formed in the apparatus between: (1) the guide member, (2) the distal portion of the implant at at least a portion of the third domain, and (3) at least a portion of the second domain, and(c) the second domain comprises a distal end portion of the channel, and wherein a generally-triangular shape is formed in the apparatus between: (1) the guide member, (2) the distal portion of the implant at at least a portion of the third domain, and (3) the distal end portion of the channel.
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