Radial cutter implant

Abstract

An implant for creating incisions in the tissues surrounding the bladder neck and the urethra of a patient, for relaxing the opening of the bladder, the implant includes a central connector and at least one wire, the wires extend radially outwardly from the center of the central connector, the wires apply continuous pressure on the surrounding tissues, the wires are foldable within an implant sheath for enabling delivery and extraction thereof, the implant is implanted within a restricted location of the urethra for a period of time for creating incisions at the locations where the wires apply pressure on the surrounding tissues.

1 . A urethra Implant comprising wires forming at least one closed shape, said closed shape exhibiting an expanded configuration, said closed shape being foldable into a folded configuration, said at least two of said wires further being configured to extend from said folded configuration to said expanded configuration such that the distance between sections of said wires increases, relative to said distance between said sections of said wires in said compressed configuration, the implant is configured to be implanted within a restricted location of the urethra and for applying pressure on said surrounding tissue. 
     
     
         2 . The implant according to  claim 1 , wherein said wires are foldable by a restrainer for enabling delivery and extraction of said removable implant 
     
     
         3 . The implant according to  claim 1 , further comprising a proximal end coupled with at least one of said wires, said proximal end being tapered. 
     
     
         4 . The implant according to  claim 1 , wherein the shape of at least one of said wires is selected from the list consisting of:
 the shape of said at least one of said wires being wider at the proximal end than at the distal end thereof for preventing said removable implant from moving in the distal direction;   the shape of said at least one of said wires being wider at the distal end than at the proximal end thereof for preventing said removable implant from moving in the proximal direction;   the shape of said at least one of said wires being narrower at the middle thereof than at the distal and proximal portions thereof for preventing said removable implant from moving in the proximal direction and in the distal direction; and   a butterfly wing.   
     
     
         5 . The implant according to  claim 1 , wherein said implant being for creating incisions is said urethra. 
     
     
         6 . The implant according to  claim 1 , wherein said implant being for the prostatic urethra. 
     
     
         7 . The implant according to  claim 1 , wherein said sections of said wires are lateral sections. 
     
     
         8 . A urethra implant comprising a flexible configuration defining at least two longitudinal wires arranged in at least one closed shape, said closed shape exhibiting an expanded configuration, said closed shape being foldable into a folded configuration, said at least two longitudinal wires further being configured to extend from said folded configuration to said expanded configuration such that the distance between sections of said at least two longitudinal wires increases, relative to said distance between said sections of said at least two longitudinal wires in said compressed configuration, the urethra implant is configured to be implanted within a restricted location of the urethra whereby said at least two wires apply pressure on tissues surrounding said urethra implant. 
     
     
         9 . The implant according to  claim 8 , wherein said at least two longitudinal wires are foldable by a restrainer for enabling delivery and extraction of said removable implant 
     
     
         10 . The implant according to  claim 8 , further comprising a proximal end coupled with at least one of said at least two longitudinal wires, said proximal end being tapered. 
     
     
         11 . The implant according to  claim 8 , wherein the shape of at least one of said at least two longitudinal wires is selected from the list consisting of:
 the shape of said at least one of said at least two longitudinal wires being wider at the proximal end than at the distal end thereof for preventing said removable implant from moving in the distal direction;   the shape of said at least one of said at least two longitudinal wires being wider at the distal end than at the proximal end thereof for preventing said removable implant from moving in the proximal direction;   the shape of said at least one of said at least two longitudinal wires being narrower at the middle thereof than at the distal and proximal portions thereof for preventing said removable implant from moving in the proximal direction and in the distal direction; and   a butterfly wing.   
     
     
         12 . The implant according to  claim 8 , wherein said implant being for creating incisions is said urethra. 
     
     
         13 . The implant according to  claim 8 , wherein said implant being for the prostatic urethra. 
     
     
         14 . The implant according to  claim 8 , wherein said at least two longitudinal wires include lateral sections. 
     
     
         15 . A urethra implant comprising a flexible wire like structure defining at least two wire like sections of finite length, coupled there-between at one end thereof, each said wire like section having a longitudinal wire portion, said flexible wire like structure exhibiting an expanded configuration, said flexible wire like structure being foldable into a folded configuration, said at least two longitudinal wire sections further being configured to extend from said folded configuration to said expanded configuration such that the distance between sections of said wires increases, relative to said distance between said sections of said wires in said compressed configuration, the urethra implant is configured to be implanted within a restricted location of the urethra whereby said at least two longitudinal wire portions apply pressure on tissues surrounding said urethra implant. 
     
     
         16 . The implant according to  claim 15 , wherein said wire like structure is foldable by a restrainer for enabling delivery and extraction of said removable implant 
     
     
         17 . The implant according to  claim 15 , further comprising a proximal end coupled with said wire like structure, said proximal end being tapered. 
     
     
         18 . The implant according to  claim 15 , wherein the shape of at least one of said at least two wire like sections is selected from the list consisting of:
 the shape of said at least one of said at least two wire like sections being wider at the proximal end than at the distal end thereof for preventing said removable implant from moving in the distal direction;   the shape of said at least one of said at least two wire like sections being wider at the distal end than at the proximal end thereof for preventing said removable implant from moving in the proximal direction;   the shape of said at least one of said at least two wire like sections being narrower at the middle thereof than at the distal and proximal portions thereof for preventing said removable implant from moving in the proximal direction and in the distal direction; and   a butterfly wing.   
     
     
         19 . The implant according to  claim 15 , wherein said implant being for creating incisions is said urethra. 
     
     
         20 . The implant according to  claim 15 , wherein said implant being for the prostatic urethra. 
     
     
         21 . The implant according to  claim 15 , wherein said sections of said at least two wire like sections are lateral sections. 
     
     
         22 . Urethra implant comprising at least two closed shapes, each of said at least two closed shapes having a proximal section, a distal section and two lateral sections extending between said proximal section and said distal section, adjacent pairs of said at least two closed shapes share a common lateral section, said at least two close shapes being elastically compressible into a compressed configuration, said at least two closed shapes being configured to extend from said compressed configuration to an extended configuration, such that the distance between said lateral sections increases relative to said distance there-between in said compressed configuration, each pair of said lateral sections defining a plane, said plane excluding the remaining others of said lateral sections. 
     
     
         23 . The implant according to  claim 22 , wherein said at least two closed shapes are foldable by a restrainer for enabling delivery and extraction of said removable implant 
     
     
         24 . The implant according to  claim 22 , further comprising a proximal end coupled with at least one of said at least two closed shapes, said proximal end being tapered. 
     
     
         25 . The implant according to  claim 22 , wherein the shape of at least one of said at least two closed shapes is selected from the list consisting of:
 the shape of said at least one of said at least two closed shapes being wider at the proximal end than at the distal end thereof for preventing said removable implant from moving in the distal direction;   the shape of said at least one of said at least two closed shapes being wider at the distal end than at the proximal end thereof for preventing said removable implant from moving in the proximal direction;   the shape of said at least one of said at least two closed shapes being narrower at the middle thereof than at the distal and proximal portions thereof for preventing said removable implant from moving in the proximal direction and in the distal direction; and   a butterfly wing.   
     
     
         26 . The implant according to  claim 22 , wherein said implant being for creating incisions is said urethra. 
     
     
         27 . The implant according to  claim 22 , wherein said implant being for the prostatic urethra. 
     
     
         28 . A urethra implant comprising a flexible structure including at least one wire like section of finite length and a flexible rectangular section coupled there-between at the ends thereof, said flexible structure exhibiting an expanded configuration, said flexible structure being foldable into a folded configuration, said flexible structure further being configured to extend from said folded configuration to said expanded configuration such that the distance between said at least one wire and said rectangular section increase, relative to said distance between said at least one wire and said rectangular section increase in said folded configuration, the urethra implant is configured to be implanted within a restricted location of the urethra whereby said at least one wire and said rectangular section apply pressure on tissues surrounding said urethra implant. 
     
     
         29 . The implant according to  claim 28 , wherein said structure is foldable by a restrainer for enabling delivery and extraction of said removable implant. 
     
     
         30 . The implant according to  claim 28 , further comprising a proximal end coupled with at least one of said at least two wires, said proximal end being tapered. 
     
     
         31 . The implant according to  claim 28 , wherein the shape of said structure is selected from the list consisting of:
 the shape of said structure being wider at the proximal end than at the distal end thereof for preventing said removable implant from moving in the distal direction;   the shape of said structure being wider at the distal end than at the proximal end thereof for preventing said removable implant from moving in the proximal direction;   the shape of said structure being narrower at the middle thereof than at the distal and proximal portions thereof for preventing said removable implant from moving in the proximal direction and in the distal direction; and   a butterfly wing.   
     
     
         32 . The implant according to  claim 28 , wherein said implant being for creating incisions is said urethra. 
     
     
         33 . The implant according to  claim 28 , wherein said implant being for the prostatic urethra. 
     
     
         34 . The implant according to  claim 28 , wherein said at least one wire like section is a lateral section.