Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
133 words
A cannula anchoring system comprising: a cannula adapted to be inserted through a wall of an anatomical cavity and having a lumen for communication with the anatomical cavity; a tissue penetrating member carried by said cannula at a position adjacent the cavity wall when said cannula is inserted through the cavity wall, said tissue penetrating member having a sharp distal end and being movable between a retracted position where said sharp distal end is non-exposed and an extended position where said sharp distal end is exposed; and an operating mechanism coupled with said tissue penetrating member and operable to move said tissue penetrating member between said retracted and extended positions whereby said sharp distal end of said tissue penetrating member can be moved to penetrate the cavity wall to anchor said cannula therein.
Claim 2
Dependent Claim
133 words
A cannula anchoring system comprising: a cannula adapted to be inserted through a wall of an anatomical cavity and having a lumen for communication with the anatomical cavity; a tissue penetrating member carried by said cannula at a position adjacent the cavity wall when said cannula is inserted through the cavity wall, said tissue penetrating member having a sharp distal end and being movable between a retracted position where said sharp distal end is non-exposed and an extended position where said sharp distal end is exposed; and an operating mechanism coupled with said tissue penetrating member and operable to move said tissue penetrating member between said retracted and extended positions whereby said sharp distal end of said tissue penetrating member can be moved to penetrate the cavity wall to anchor said cannula therein.
Claim 3
Dependent Claim
19 words
A cannula anchoring system as recited in claim 1 and further comprising a plurality of said tissue penetrating members.
Claim 4
Dependent Claim
43 words
A cannula anchoring system as recited in claim 2 wherein said tissue penetrating members are resilient needles integrally formed with said cannula and said operating mechanism includes a stabilizer slidable along said cannula to move said needles between said retracted and extended positions.
Claim 5
Dependent Claim
145 words
A cannula anchoring system comprising: a cannula adapted to be inserted through a wall of an anatomical cavity and having a lumen for communication with the anatomical cavity; a tissue penetrating member carried by said cannula at a position adjacent the cavity wall when said cannula is inserted through the cavity wall, said tissue penetrating member being movable between a non-exposed, retracted position and an exposed, extended position; an operating mechanism coupled with said tissue penetrating member and operable to move said tissue penetrating member between said retracted and extended positions whereby said tissue penetrating member can be moved to penetrate the cavity wall to anchor said cannula therein; and a housing coupled with said cannula wherein said tissue penetrating members are needles having sharp distal ends and said sharp distal ends are disposed within said housing when said needles are in said retracted positions.
Claim 6
Dependent Claim
145 words
A cannula anchoring system comprising: a cannula adapted to be inserted through a wall of an anatomical cavity and having a lumen for communication with the anatomical cavity; a tissue penetrating member carried by said cannula at a position adjacent the cavity wall when said cannula is inserted through the cavity wall, said tissue penetrating member being movable between a non-exposed, retracted position and an exposed, extended position; an operating mechanism coupled with said tissue penetrating member and operable to move said tissue penetrating member between said retracted and extended positions whereby said tissue penetrating member can be moved to penetrate the cavity wall to anchor said cannula therein; and a housing coupled with said cannula wherein said tissue penetrating members are needles having sharp distal ends and said sharp distal ends are disposed within said housing when said needles are in said retracted positions.
Claim 7
Dependent Claim
64 words
A cannula anchoring system as recited in claim 4 wherein each of said needles has a proximal end and a body disposed between said sharp distal end and said proximal end and further comprising recess means for receiving said sharp distal ends of said needles when said needles are in said extended positions to form closed spaces capturing tissue of the cavity wall therein.
Claim 8
Dependent Claim
28 words
A cannula anchoring system as recited in claim 5 wherein said cannula has a proximal end and said housing is fixed to said proximal end of said cannula.
Claim 9
Dependent Claim
40 words
A cannula anchoring system as recited in claim 6 wherein said housing has a front wall and a pair of opposed flared wings adjacent said front wall and said needles are disposed within said flared wings in said retracted positions.
Claim 10
Dependent Claim
17 words
A cannula anchoring system as recited in claim 5 wherein said housing is slidable along said cannula.
Claim 11
Dependent Claim
80 words
A cannula anchoring system as recited in claim 4 wherein each of said needles has a proximal end and an arcuate body disposed between said sharp distal end and said proximal end, said arcuate body having a center of curvature and wherein said operating mechanism includes shaft means connected with said proximal ends of said needles and rotatable about an axis aligned with said centers of curvature of said needles for rotating said needles between said retracted and extended positions.
Claim 12
Dependent Claim
24 words
A cannula anchoring system as recited in claim 9 wherein said shaft means includes a single shaft for rotating a plurality of said needles.
Claim 13
Dependent Claim
27 words
A cannula anchoring system as recited in claim 9 wherein said shaft means includes a plurality of shafts each connected with at least one of said needles.
Claim 14
Dependent Claim
17 words
A cannula anchoring system as recited in claim 9 wherein said needles rotate in a single plane.
Claim 15
Dependent Claim
20 words
A cannula anchoring system as recited in claim 9 wherein at least two of said needles rotate in transverse planes.
Claim 16
Dependent Claim
21 words
A cannula anchoring system as recited in claim 9 wherein at least two of said needles rotate in spaced parallel planes.
Claim 17
Dependent Claim
42 words
A cannula anchoring system as recited in claim 9 wherein at least one of said needles rotates in a first plane, and at least one of said needles rotates in a second plane disposed at an angle relative to said first plane.
Claim 18
Dependent Claim
66 words
A cannula anchoring system as recited in claim 4 wherein said housing includes an outer wall for engaging the cavity wall along the thickness thereof and a lumen for receiving said cannula, said outer wall having an exit opening aligned with each of said needles to permit said needles to move from said retracted position into the thickness of the cavity wall to said extended position.
Claim 19
Dependent Claim
56 words
A cannula anchoring system as recited in claim 16 wherein said outer wall has an entrance opening circumferentially spaced from each of said exit openings to receive said distal ends of said needles to capture tissue of the cavity wall between said needles and said housing when said needles are fully moved to said extended positions.
Claim 20
Dependent Claim
55 words
A cannula anchoring system as recited in claim 17 wherein said needles are hollow and further comprising lengths of suture material passing through said needles and the tissue of the cavity wall into said housing through said entrance openings to permit suturing of the cavity wall after said cannula is withdrawn from the cavity wall.
Claim 21
Dependent Claim
58 words
An anchoring system as recited in claim 17 and further comprising lengths of suture material attached adjacent said sharp distal ends of said needles to follow said needles through the tissue of the cavity wall into said housing through said entrance openings to permit suturing of the cavity wall after said cannula is withdrawn from the cavity wall.
Claim 22
Dependent Claim
24 words
A cannula anchoring system as recited in claim 4 wherein said needles are hollow whereby medicaments or lengths of suture material can pass therethrough.
Claim 23
Independent Claim
60 words
A method of anchoring a cannula in a cavity wall comprising the steps of: inserting the cannula through a puncture site in the cavity wall at a desired angular orientation; and penetrating the tissue of the cavity wall adjacent the puncture site with sharp tissue penetrating members carried by the cannula to stabilize the cannula at the desired angular orientation.
Claim 24
Independent Claim
60 words
A method of anchoring a cannula in a cavity wall comprising the steps of: inserting the cannula through a puncture site in the cavity wall at a desired angular orientation; and penetrating the tissue of the cavity wall adjacent the puncture site with sharp tissue penetrating members carried by the cannula to stabilize the cannula at the desired angular orientation.
Claim 25
Independent Claim
69 words
A method of anchoring a cannula in a cavity wall comprising the steps of: inserting the cannula through a puncture site in the cavity wall; and penetrating the tissue of the cavity wall adjacent the puncture site with sharp tissue penetrating members carried by the cannula wherein said penetrating step includes moving the tissue penetrating members from an unexposed retracted position to an exposed extended position in the tissue.
Claim 26
Independent Claim
69 words
A method of anchoring a cannula in a cavity wall comprising the steps of: inserting the cannula through a puncture site in the cavity wall; and penetrating the tissue of the cavity wall adjacent the puncture site with sharp tissue penetrating members carried by the cannula wherein said penetrating step includes moving the tissue penetrating members from an unexposed retracted position to an exposed extended position in the tissue.
Claim 27
Dependent Claim
28 words
A method of anchoring a cannula in a cavity wall as recited in claim 22 wherein said penetrating step includes penetrating the external surface of the cavity wall.
Claim 28
Dependent Claim
31 words
A method of anchoring a cannula in a cavity wall as recited in claim 22 wherein said penetrating step includes penetrating the cavity wall along the thickness of the puncture site.
Claim 29
Dependent Claim
56 words
A method of anchoring a cannula in a cavity wall as recited in claim 24 and further comprising the steps of using the tissue penetrating members to pass lengths of suture material through the thickness of the cavity wall and drawing the cavity wall together via the lengths of suture material to close the puncture site.
Claim 30
Dependent Claim
31 words
A method of anchoring a cannula in a cavity wall as recited in claim 25 wherein said using step includes passing the lengths of suture material through the tissue penetrating members.
Claim 31
Dependent Claim
50 words
A method of anchoring a cannula in a cavity wall as recited in claim 25 wherein said using step includes attaching the lengths of suture material adjacent distal ends of the tissue penetrating members and pulling the lengths of suture material through the cavity wall with the tissue penetrating members.