Device for forming an inserting hole and method of using and making the same

Claim 1

A device for forming an inserting hole comprising: at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; wherein a tube having a largest diameter has at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80%; wherein the width of the tearing lines is approximately equal over a substantial portion of the depth; and wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines.

Claim 2

A device for forming an inserting hole comprising: at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; wherein a tube having a largest diameter has at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80%; wherein the width of the tearing lines is approximately equal over a substantial portion of the depth; and wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines.

Claim 9

A device for forming an inserting hole in a patient, comprising: at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; wherein a tube having a largest diameter has a means for enabling folding of a portion of the tube having a largest diameter against the external side of the patient; wherein said means for enabling folding includes at least two longitudinal linear tearing lines formed in an outer surface of said tube having a largest diameter and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80%; wherein the width of the tearing lines is approximately equal over a substantial portion of the depth; wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines; and including means for attaching folded portions of said tube having largest diameter, which have been folded by tearing said tube having largest diameter along said tearing lines, to the external side of a patient.

Claim 10

A device for forming an inserting hole in a patient, comprising: at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; wherein a tube having a largest diameter has a means for enabling folding of a portion of the tube having a largest diameter against the external side of the patient; wherein said means for enabling folding includes at least two longitudinal linear tearing lines formed in an outer surface of said tube having a largest diameter and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80%; wherein the width of the tearing lines is approximately equal over a substantial portion of the depth; wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines; and including means for attaching folded portions of said tube having largest diameter, which have been folded by tearing said tube having largest diameter along said tearing lines, to the external side of a patient.

Claim 12

A method of making a device for forming an inserting hole, comprising the steps of: providing at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; providing at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; ultrasonically cutting a tube having a largest diameter to form at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is formed between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is formed between 20% and 80%, wherein the width of the tearing lines is formed approximately equal over a substantial portion of the depth, and wherein said outer surface is formed with a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines.

Claim 13

A method of making a device for forming an inserting hole, comprising the steps of: providing at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube; providing at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes; ultrasonically cutting a tube having a largest diameter to form at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof; wherein the width of each of the linear tearing lines is formed between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is formed between 20% and 80%, wherein the width of the tearing lines is formed approximately equal over a substantial portion of the depth, and wherein said outer surface is formed with a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines.

Claim 14

A method of forming an inserting hole, comprising the steps of: (1) providing a device for forming an inserting hole comprising at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube, at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes, wherein a tube having a largest diameter has at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof, wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80A%, wherein the width of the tearing lines is approximately equal over a substantial portion of the depth, and wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines; (2) inserting said device into the body of an individual; (3) tearing a portion of the largest diameter tube extending out of the individual along the tearing lines so as to create folded portions; and (4) attaching the folded portions of said tube having the largest diameter to the outside surface of the skin of the individual.

Claim 15

A method of forming an inserting hole, comprising the steps of: (1) providing a device for forming an inserting hole comprising at least two tubes made of synthetic resin having different outer diameters, a smaller diameter tube being designed to be inserted into a hollow portion of a larger diameter tube, at least one of a guide wire and a sticking needle for insertion within one of said at least two tubes, wherein a tube having a largest diameter has at least two longitudinal linear tearing lines formed in an outer surface thereof and extending from a base portion thereof toward a tip portion thereof, wherein the width of each of the linear tearing lines is between 0.01 mm and 1 mm, and a ratio of a depth to the thickness of the tube having the largest diameter for each of the tearing lines is between 20% and 80A%, wherein the width of the tearing lines is approximately equal over a substantial portion of the depth, and wherein said outer surface has a substantially constant curvature free from bulges on opposite sides of each of said linear tearing lines; (2) inserting said device into the body of an individual; (3) tearing a portion of the largest diameter tube extending out of the individual along the tearing lines so as to create folded portions; and (4) attaching the folded portions of said tube having the largest diameter to the outside surface of the skin of the individual.