US6071301A — Device and method for facilitating hemostasis of …

Claim 1

Independent Claim 100 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; and a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula.

Claim 2

Independent Claim 100 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; and a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula.

Claim 3

Dependent Claim 27 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the adaptor lumen has at least one enlargement for kneading the absorbable sponge.

Claim 4

Dependent Claim 27 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the adaptor lumen has at least one irregularity for kneading the absorbable sponge.

Claim 5

Dependent Claim 39 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the adaptor has a lumen diameter at the small diameter end which is substantially equal to or less than a lumen diameter of the cannula.

Claim 6

Dependent Claim 25 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the syringe is connected to the adaptor by a luer fitting.

Claim 7

Dependent Claim 39 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the large diameter end of the lumen has a lumen diameter which is two or more times a lumen diameter at the small diameter end.

Claim 8

Dependent Claim 45 words

The system for facilitating hemostasis of a puncture wound according to claim 1, further comprising a cutting template for cutting a pledget of the absorbable sponge from a sheet of absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Claim 9

Dependent Claim 46 words

The system for facilitating hemostasis of a puncture wound according to claim 1, further comprising a punching device for cutting a pledget of the absorbable sponge from a sheet of the absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Claim 10

Dependent Claim 36 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the adaptor includes at least one vent hole in a wall of the adaptor adjacent the small diameter end of the lumen.

Claim 11

Dependent Claim 18 words

The system for facilitating hemostasis of a puncture wound according to claim 1, wherein the adaptor is transparent.

Claim 12

Dependent Claim 25 words

The system for facilitating hemostasis of a puncture wound according to claim 3, wherein the at least one irregularity is an enlargement of the lumen.

Claim 13

Dependent Claim 109 words

An adaptor for delivering a hydrated absorbable sponge to a cannula for facilitating hemostasis of a puncture wound, the adaptor comprising: an elongated member having a first end, a second end, and a lumen extending from the first end to the second end; a luer connector provided at the second end for connection to a cannula; and a tapered section of the lumen tapering from a first diameter at the first end to a second diameter at the second end which is smaller than the first diameter such that a dry sponge pledget having a width larger than the second diameter is compressible when hydrated into the second diameter.

Claim 14

Dependent Claim 109 words

An adaptor for delivering a hydrated absorbable sponge to a cannula for facilitating hemostasis of a puncture wound, the adaptor comprising: an elongated member having a first end, a second end, and a lumen extending from the first end to the second end; a luer connector provided at the second end for connection to a cannula; and a tapered section of the lumen tapering from a first diameter at the first end to a second diameter at the second end which is smaller than the first diameter such that a dry sponge pledget having a width larger than the second diameter is compressible when hydrated into the second diameter.

Claim 15

Dependent Claim 25 words

The adaptor according to claim 12, wherein the tapered section makes an angle with a longitudinal axis of the adaptor of about 30° to 60°.

Claim 16

Dependent Claim 19 words

The adaptor according to claim 12, wherein the first diameter is at least about two times the second diameter.

Claim 17

Dependent Claim 21 words

The adaptor according to claim 12, wherein the adaptor lumen includes at least one irregularity for kneading a hydrated absorbable sponge.

Claim 18

Dependent Claim 18 words

The adaptor according to claim 15, wherein the at least one irregularity is an enlargement of the lumen.

Claim 19

Dependent Claim 17 words

The adaptor according to claim 12, in combination with an absorbable sponge material preloaded into the adaptor.

Claim 20

Independent Claim 80 words

A method of facilitating hemostasis of a puncture wound by injecting an absorbable sponge through a cannula into the puncture wound, the method comprising: inserting a pledget of the absorbable sponge into an adaptor having a tapered lumen with a large diameter end and a small diameter end; hydrating the pledget by injection of fluid into the adaptor; connecting the adaptor to a cannula; and delivering the hydrated absorbable sponge through the cannula to facilitate hemostasis of the puncture wound.

Claim 21

Independent Claim 80 words

A method of facilitating hemostasis of a puncture wound by injecting an absorbable sponge through a cannula into the puncture wound, the method comprising: inserting a pledget of the absorbable sponge into an adaptor having a tapered lumen with a large diameter end and a small diameter end; hydrating the pledget by injection of fluid into the adaptor; connecting the adaptor to a cannula; and delivering the hydrated absorbable sponge through the cannula to facilitate hemostasis of the puncture wound.

Claim 22

Dependent Claim 12 words

The method according to claim 18, wherein the absorbable sponge is Gelfoam.

Claim 23

Dependent Claim 29 words

The method according to claim 18, wherein the puncture wound is a biopsy tract and the cannula through which the absorbable sponge pledget is delivered is a biopsy needle.

Claim 24

Dependent Claim 19 words

The method according to claim 18, wherein the pledget of the absorbable sponge is visually monitored within the adaptor.

Claim 25

Independent Claim 43 words

A method of facilitating hemostasis of a biopsy tract comprising: removing a tissue biopsy through a cannula; and injecting a hydrated absorbable sponge pledget through the cannula without fully removing the cannula from the biopsy tract to facilitate hemostasis of the biopsy tract.

Claim 26

Independent Claim 43 words

A method of facilitating hemostasis of a biopsy tract comprising: removing a tissue biopsy through a cannula; and injecting a hydrated absorbable sponge pledget through the cannula without fully removing the cannula from the biopsy tract to facilitate hemostasis of the biopsy tract.

Claim 27

Dependent Claim 32 words

The method according to claim 22, wherein the cannula is partially withdrawn prior to injection of the hydrated absorbable sponge pledget to provide a space for the pledget in the biopsy tract.

Claim 28

Dependent Claim 47 words

The method according to claim 23, further comprising the steps of partially withdrawing the cannula after injection of the absorbable sponge to provide a space between a distal tip of the cannula and the injected absorbable sponge and injecting a second hydrated absorbable sponge through the cannula.

Claim 29

Dependent Claim 28 words

The method according to claim 22, wherein the step of injecting a hydrated absorbable sponge pledget through the cannula is achieved by a forced delivery of a fluid.

Claim 30

Dependent Claim 70 words

A kit for facilitating hemostasis of a puncture wound comprising: a pledget forming device; an adaptor connectable to a cannula for hydrating and delivering an absorbable sponge pledget to the cannula, the adapter having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; and a syringe connectable to the adaptor for delivering fluid to the adaptor.

Claim 31

Dependent Claim 70 words

A kit for facilitating hemostasis of a puncture wound comprising: a pledget forming device; an adaptor connectable to a cannula for hydrating and delivering an absorbable sponge pledget to the cannula, the adapter having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; and a syringe connectable to the adaptor for delivering fluid to the adaptor.

Claim 32

Dependent Claim 63 words

An adaptor preloaded with an absorbable sponge pledget comprising: an elongated member having a first end, a second end, and a lumen extending from the first end to the second end, wherein the first end of the adaptor has a larger internal diameter than the second end of the adaptor; and an elongated pledget of absorbable sponge material loaded within the elongated member.

Claim 33

Dependent Claim 63 words

An adaptor preloaded with an absorbable sponge pledget comprising: an elongated member having a first end, a second end, and a lumen extending from the first end to the second end, wherein the first end of the adaptor has a larger internal diameter than the second end of the adaptor; and an elongated pledget of absorbable sponge material loaded within the elongated member.

Claim 34

Dependent Claim 31 words

The adaptor according to claim 27, further comprising a tapered section between the first end and the second end which compresses the pledget when fluid is injected into the second end.

Claim 35

Independent Claim 130 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula; and a cutting template for cutting a pledget of the absorbable sponge from a sheet of absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Claim 36

Independent Claim 130 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula; and a cutting template for cutting a pledget of the absorbable sponge from a sheet of absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Claim 37

Independent Claim 131 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula; and a punching device for cutting a pledget of the absorbable sponge from a sheet of the absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Claim 38

Independent Claim 131 words

A system for facilitating hemostasis of a puncture wound by injecting an absorbable sponge, the system comprising: a cannula for delivering the absorbable sponge in a hydrated state to the puncture wound; an adaptor connectable to the cannula for hydrating and delivering the absorbable sponge to the cannula, the adaptor having a tapered lumen with a large diameter end and a small diameter end, wherein the small diameter end is connectable to the cannula; a syringe for injecting fluid into the adaptor to hydrate the absorbable sponge within the adaptor, and to deliver the absorbable sponge through the cannula; and a punching device for cutting a pledget of the absorbable sponge from a sheet of the absorbable sponge material in a size suitable for delivery through the adaptor and the cannula.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2003-06-06	2003-12-06	2004-06-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2007-06-06	2007-12-06	2008-06-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2011-06-06	2011-12-06	2012-06-06	$7700.00	Window Closed / Lapsed

Device and method for facilitating hemostasis of a biopsy tract

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