Removing fluid from a bodily tissue via a catheter with circumferential concave grooves
First Claim
1. A catheter for use with a vacuum source for removing fluid from a mammalian tissue, the catheter comprising:
- an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the outer wall defines a plurality of concave grooves extending at least part of the length of the tube, said grooves defined around an entire circumference of the elongated tube, and the inner wall defines at least one suction channel along the length of the tube;
one or more apertures defined along the tube along the plurality of concave grooves, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the at least one suction channel; and
a vacuum port in communication with the proximal end of the tube, the vacuum port being operatively connected to the at least one suction channel and capable of operative connection to a vacuum source;
wherein the suction channel is configured to allow a fluid present within a space in a mammalian body to enter the one or more apertures in communication with the at least one suction channel and be removed via the at least one suction channel when the vacuum source is operatively attached to the vacuum port.
1 Assignment
0 Petitions
Accused Products
Abstract
Devices, systems, and methods for removing fluid from a bodily tissue. In at least one embodiment of a catheter for use with a vacuum source for removing fluid from a mammalian tissue, the catheter comprises an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the inner wall defines at least one suction channel along the length of the tube, one or more apertures defined along the tube, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the at least one suction channel, and a vacuum port in communication with the proximal end of the tube, the vacuum port being operatively connected to the at least one suction channel and capable of operative connection to a vacuum source.
50 Citations
33 Claims
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1. A catheter for use with a vacuum source for removing fluid from a mammalian tissue, the catheter comprising:
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an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the outer wall defines a plurality of concave grooves extending at least part of the length of the tube, said grooves defined around an entire circumference of the elongated tube, and the inner wall defines at least one suction channel along the length of the tube; one or more apertures defined along the tube along the plurality of concave grooves, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the at least one suction channel; and a vacuum port in communication with the proximal end of the tube, the vacuum port being operatively connected to the at least one suction channel and capable of operative connection to a vacuum source; wherein the suction channel is configured to allow a fluid present within a space in a mammalian body to enter the one or more apertures in communication with the at least one suction channel and be removed via the at least one suction channel when the vacuum source is operatively attached to the vacuum port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for use with a vacuum source for removing fluid from a mammalian tissue, the system comprising:
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an engagement catheter comprising a proximal end, a distal end, and a lumen extending between the proximal end and the distal end; a suction catheter comprising; an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the outer wall defines a plurality of concave grooves extending at least part of the length of the tube and the inner wall defines at least one suction channel along the length of the tube; one or more apertures defined along the tube along the plurality of concave grooves, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the at least one suction channel; and a vacuum port in communication with the proximal end of the tube, the vacuum port being operatively connected to the at least one suction channel and capable of operative connection to a vacuum source; wherein the suction channel is configured to allow a fluid present within a space in a mammalian body to enter the one or more apertures in communication with the at least one suction channel and be removed via the at least one suction channel when the vacuum source is operatively attached to the vacuum port; wherein the plurality of grooves are defined around an entire circumference of the elongated tube; wherein the suction catheter is configured so that it is capable of insertion into the lumen of the engagement catheter. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for using a suction catheter to remove fluid from a mammalian tissue, the method comprising the steps of:
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inserting an engagement catheter into a mammalian body, the engagement catheter comprising a proximal end, a distal end, and a first lumen extending between the proximal end and the distal end, the engagement catheter inserted such that the distal end of the engagement catheter is positioned at or near a tissue wall surrounding a space within a tissue; and inserting the suction catheter into the first lumen of the engagement catheter, the suction catheter comprising; an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the outer wall defines a plurality of concave grooves extending at least part of the length of the tube and the inner wall defines a first channel along the length of the tube, one or more apertures defined along the tube along the plurality of concave grooves, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the first channel, and a first port in communication with the proximal end of the tube, the first port being operatively connected to the first channel and capable of operative connection to a first vacuum source;
the first channel configured to allow a fluid present within a space in a mammalian body to enter the one or more apertures in communication with the first channel and be removed via the first channel when the first vacuum source is operatively attached to the first port,wherein the plurality of concave grooves are defined around an entire circumference of the elongated tube, wherein the suction catheter exits the distal end of the engagement catheter through the tissue wall so that the distal end of the suction catheter is present within the space surrounded by the tissue wall and in contact with a fluid present within said space. - View Dependent Claims (25, 26, 27, 28, 29)
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30. A method for using a suction catheter to remove fluid from a mammalian tissue, the method comprising the steps of:
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inserting a engagement catheter into a mammalian body, the engagement catheter comprising a proximal end, a distal end, and a first lumen extending between the proximal end and the distal end, the engagement catheter inserted such that the distal end of the engagement catheter is positioned at or near a tissue wall surrounding a space within a tissue; inserting a piercing catheter into the first lumen of the engagement catheter, the piercing catheter comprising a proximal end, a distal end, and a hollow cylinder extending between the proximal end and the distal end, the piercing catheter having a needle at the distal end of the piercing catheter, the piercing catheter configured such that the hollow cylinder is capable of insertion into the first lumen of the engagement catheter, the piercing catheter inserted so that the piercing catheter exits the distal end of the engagement catheter and pierces the tissue wall with the needle of the piercing catheter; removing the piercing catheter from the engagement catheter; inserting the suction catheter into the first lumen of the engagement catheter;
the suction catheter comprising;an elongated tube comprising a proximal end, a distal end, an outer wall positioned circumferentially along a length of the tube, and an inner wall positioned circumferentially along the length of the tube and defining a lumen within the tube, wherein the outer wall defines plurality of concave grooves extending at least part of the length of the tube and the inner wall defines a first channel along the length of the tube, one or more apertures defined along the tube along the plurality of concave grooves, wherein the one or more apertures extend from the outer wall of the tube to the inner wall of the tube, the one or more apertures present at or near the distal end of the tube, wherein at least one of the one or more apertures is/are in communication with the first channel, a first port in communication with the proximal end of the tube, the first port being operatively connected to the first channel and capable of operative connection to a first vacuum source, the first channel configured to allow a fluid present within a space in a mammalian body to enter the one or more apertures in communication with the first channel and be removed via the first channel when the first vacuum source is operatively attached to the first port, wherein the plurality of concave grooves are defined around an entire circumference of the elongated tube, the suction catheter inserted so that the suction catheter exits the distal end of the engagement catheter through the tissue wall so that the distal end of the suction catheter is present within the space surrounded by the tissue wall and in contact with a fluid present within said space; and operating a first vacuum source connected to the first port such that at least a portion of the fluid present within said space enters the one or more apertures in communication with the first channel and is removed via the first channel. - View Dependent Claims (31, 32, 33)
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Specification