Single operator exchange fluid jet thrombectomy device

A single operator exchange fluid jet thrombectomy device for removal of deformable undesired matter from a body cavity or vessel, comprising:

• a. an outer assembly including:
• (1) a manifold including a proximally located stationary stop;
• and,
• (2) a first tube extending distally from the manifold, the first tube having a lumen with an open distal end;
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and be exchanged for a different inner assembly and to pass through the lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a high pressure second tube and having a proximal end, a distal end, a high pressure lumen, and a geometrically configured distally located jet emanator having one or more proximally directed orifices;
• and,
• (2) a crossflow director means, attached to the high pressure second tube adjacent to, spaced apart from, and proximal to the jet emanator, the crossflow director means having an outflow orifice and an inflow orifice, the crossflow director means designed for redirecting jet flow emanating from the jet emanator and fluid entrained through the inflow orifice out of the outflow orifice;
• and,
• c. said crossflow director means and said first tube of said outer assembly defining an annulus and said crossflow director means positionable to at least partially restrict the annulus thereby providing a substantial fluid seal between said crossflow director means and said first tube of said outer assembly.

A small profile, rapid exchange device system suitable for insertion into a synthetic or biologic body vessel, cavity or organ in order to treat or diagnose an undesirable condition therein, the device comprising:

• a. an outer assembly including:
• (1) a manifold;
• and,
• (2) a first tube extending distally from the manifold and having a lumen with an open distal end;
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and to pass through the manifold and lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a distal emanator for directing energy in close approximation to the undesirable condition in order to treat or diagnose the undesirable condition;
• (2) a flow director means;
• and,
• (3) a means for determining the relationship of the distal emanator of the at least one inner assembly with respect to the open distal end of the lumen of the first tube of the outer assembly such that alternatively:
• (a) the lumen of the first tube of the outer assembly functions as a supply lumen for a material to be infused in close approximation to the undesirable condition to act together with the distal emanator to aid in treating or diagnosing the undesirable condition;
• and,
• (b) the lumen of the first tube of the outer assembly functions as an exhaust lumen for infused materials, lysed tissue or other undesirable materials associated with treating the undesirable condition;
• and,
• c. said flow director means and said first tube of said outer assembly defining an annulus and said flow director means positionable to at least partially restrict the annulus thereby providing a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A small profile, rapid exchange device system suitable for insertion into a synthetic or biologic body vessel, cavity or organ in order to lyse thrombus, tissue or other undesirable matter therein, the device comprising:

• a. an outer assembly including:
• (1) a manifold;
• and,
• (2) a first tube extending distally from the manifold and having a lumen with an open distal end;
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and to pass through the manifold and lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a distal emanator for directing energy in close approximation to the undesirable matter in order to aid in disrupting or lysing the undesirable matter;
• (2) a flow director means;
• and,
• (3) a means for determining the relationship of the distal emanator of the at least one inner assembly with respect to the open distal end of the lumen of the first tube of the outer assembly such that a material supplied through the lumen of the first tube of the outer assembly may be infused in close approximation to the undesirable matter in order to act together with the distal emanator to aid in disrupting or lysing the undesirable matter;
• and,
• c. said flow director means and said first tube of said outer assembly defining an annulus and said flow director means positionable to at least partially restrict the annulus thereby providing a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A small profile, rapid exchange device system suitable for insertion into a synthetic or biologic body vessel, cavity or organ in order to lyse thrombus, tissue or other undesirable matter therein, the device comprising:

• a. an outer assembly including:
• (1) a manifold;
• and,
• (2) a first tube extending distally from the manifold and having a lumen with an open distal end;
• and,
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and be exchanged for a different inner assembly and to pass through the manifold and lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a distal emanator for directing energy in close approximation to the undesirable matter in order to aid in disrupting or lysing the undesirable matter;
• (2) a flow director means;
• and,
• (3) a means for determining the relationship of the distal emanator of the at least one inner assembly with respect to the open distal end of the lumen of the first tube of the outer assembly such that the undesirable matter may be exhausted through the lumen of the first tube of the outer assembly;
• and,
• c. said flow director means provides a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A small profile, rapid exchange device system suitable for insertion into a synthetic or biologic body vessel, cavity or organ in order to lyse thrombus, tissue or other undesirable matter therein, the device comprising:

• a. an outer assembly including:
• (1) a manifold;
• and,
• (2) a first tube extending distally from the manifold and having a lumen with an open distal end;
• and,
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and be exchanged for a different inner assembly passed within the and lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a distal emanator for directing energy in close approximation to the undesirable matter in order to aid in disrupting or lysing the undesirable matter;
• (2) a flow director means;
• and,
• (3) a means for determining the relationship of the distal emanator of the at least one inner assembly with respect to the open distal end of the lumen of the first tube of the outer assembly such that alternatively:
• (a) a material supplied through the lumen of the first tube of the outer assembly may be infused in close approximation to the undesirable matter in order to act together with the distal emanator to aid in disrupting or lysing the undesirable matter;
• and,
• (b) the undesirable matter together with any infused material may be exhausted through the lumen of the first tube of the outer assembly;
• and,
• c. said flow director means provides a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A small profile, rapid exchange fluid jet thrombectomy device, suitable for insertion into a body vessel or other body cavity in order to remove undesirable matter therefrom, the device comprising:

• a. an outer assembly including:
• (1) a manifold including a proximally located stationary stop;
• and,
• (2) a first tube extending distally from the manifold, the first tube having a lumen with an open distal end, the lumen of the first tube having at least a first diameter;
• and,
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and to pass through the first diameter of the lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a high pressure second tube having a high pressure lumen and a geometrically configured distally located jet emanator having one or more rearwardly directed jet orifices;
• and,
• (2) a flow director means attached to the high pressure second tube adjacent to, spaced apart from, and proximal to the jet emanator;
• and,
• c. a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A catheter device for use with an outer assembly having first tubular means for passage of fluid or other material with a proximal end and a distal end and with at least one passage along the length thereof, said catheter device comprising:

• a. second tubular means for passage of fluid along the length thereof, with a proximal end and a distal end;
• b. jet emanator means for directing at least one fluid jet in the vicinity of said distal end of said second tubular means, said jet emanator means having at least one jet orifice positioned to direct at least one fluid jet in a generally proximal direction, said jet emanator means being in fluid communication with said second tubular means;
• c. connection means in fluid connection with said second tubular means located in the vicinity of said proximal end of said second tubular means, said connection means providing for supply of fluid to said second tubular means, and thereby providing for supply of fluid to said jet emanator means so that fluid emanates from said at least one jet orifice to form at least one fluid jet and entrains fluid or other material from the vicinity of said at least one fluid jet;
• d. flow director means located in the vicinity of said at least one jet orifice, said flow director means configured to direct flow from at least one of said at least one fluid jet(s) into said distal end of said at least one passage of said outer assembly;
• e. said jet emanator means and said flow director means being adapted to entrain material from the vicinity of said at least one fluid jet and drive fluid and entrained material toward said proximal end of said outer assembly;
• f. said catheter device being removably insertable into said at least one passage of said outer assembly;
• and,
• g. said flow director means providing a substantial fluid seal between said flow director means and the first tubular means of outer assembly.

A catheter system for use in a body vessel or cavity for diagnosing or treating a condition comprising:

• a. an outer catheter with a proximal end and a distal end and at least a first passage along the length thereof;
• b. an inner assembly with a proximal end and a distal end and at least one tube with at least a second passage along the length thereof, and a jet emanator near the distal end thereof, said second passage being connectable to a source of fluid so that when so connected, fluid emanates from said jet emanator to form at least one fluid jet;
• c. a flow director means in the vicinity of said jet emanator, said flow director means being attached to said inner assembly, said flow director means having an extent that is substantially shorter than said outer catheter;
• d. said inner assembly being insertable into and removable from said outer catheter;
• e. said flow director means providing a substantial fluid seal between said flow director means and said first passage;
• and,
• f. said inner assembly being positionable in said outer catheter to a position in which said flow director means causes at least some flow to pass along said first passage.

A multi-part catheter device comprising:

• a. an outer catheter with a proximal end and a distal end and at least a first passage extending between said proximal end and said distal end;
• b. an inner assembly with a proximal end and a distal end;
• c. said inner assembly being longer than said outer catheter, and being removably insertable into said outer catheter so that said distal end of said inner assembly can extend past said distal end of said outer catheter while said proximal end of said inner assembly extends past said proximal end of said outer catheter;
• d. a flow director means with a proximal end and a distal end and at least one passage extending between said proximal end and said distal end, said flow director means being attached to said inner assembly and being located near said distal end of said inner assembly and being substantially shorter than said inner assembly;
• e. said inner assembly being positionable in said outer catheter so that said flow director means extends at least in part past said distal end of said outer catheter;
• f. said flow director means being in close proximity to said outer catheter so as to provide a substantial fluid seal between said flow director means and said outer catheter;
• and,
• g. said proximal end of said flow director means being configured to communicate with said first passage of said outer catheter to allow fluid or other matter to pass between said flow director means and said outer catheter.

A fluid jet thrombectomy device, suitable for insertion into a body vessel or other body cavity in order to remove undesirable matter therefrom, the device comprising:

• a. an outer assembly including:
• (1) a manifold including a proximally located stationary stop;
• and,
• (2) a first tube extending distally from the manifold, the first tube having a lumen with an open distal end, the lumen of the first tube having at least a first diameter;
• and,
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and to pass through the first diameter of the lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a high pressure second tube having a high pressure lumen and a distally located jet emanator;
• (2) a proximally located transitional stop;
• and,
• (3) a flow director means attached to the high pressure second tube;
• and,
• c. said flow director means being in close proximity to said first tube of said outer assembly so as to provide a substantial fluid seal between said flow director means and said first tube of said outer assembly.

A single operator exchange fluid jet thrombectomy device, suitable for insertion into a body vessel or other body cavity in order to remove undesirable matter therefrom, the device comprising:

• a. an outer assembly including:
• (1) a manifold including a proximal end and a distal end;
• and,
• (2) a first tube extending from the distal end of the manifold, the first tube having a proximal end and an open distal end;
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and be exchanged for a different inner assembly and to pass through the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a high pressure second tube having a proximal end, a distal end, a high pressure lumen, and a geometrically configured distally located jet emanator, said jet emanator comprising a jet cap having passages therein;
• and,
• (2) a flow director means attached to the high pressure second tube adjacent to, spaced apart from, and proximal to the jet emanator, the flow director means having a lumen.

A fluid jet thrombectomy device, suitable for insertion into a body vessel or other body cavity in order to remove undesirable matter therefrom, the device comprising:

• a. an outer assembly including:
• (1) a manifold including a proximally located stationary stop;
• and,
• (2) a first tube extending distally from the manifold, the first tube having a lumen with an open distal end, the lumen of the first tube having at least a first diameter;
• and,
• b. at least one inner assembly, each inner assembly characterized by an ability to separate from the outer assembly and to pass through the first diameter of the lumen of the first tube of the outer assembly, and wherein at least one inner assembly includes:
• (1) a high pressure second tube having a high pressure lumen and a distally located jet emanator, said jet emanator comprising a jet cap having passages therein;
• (2) a proximally located transitional stop;
• and,
• (3) a flow director means attached to the high pressure second tube.