US3863632A — Intracorporeal catheter assembly

Claim 1

Independent Claim 467 words

A single-channeled intracorporeal catheter having a receiving socket for connection to the distal end of a fluid conducting system for feeding, injecting and draining, said catheter and connection including: (a) a catheter member of flexible tubing having its intermediate portion formed with a relatively constant bore, said catheter having a distal end of tapered configuration and having its other end secured in a fluid-tight manner to a hub having a tapered socket terminating at and connecting to this bore, the size of the socket progressively increasing as it approaches and reaches the open end of the hub and having the axis of this tapered socket disposed at a divergent angle to the bore of the catheter so that the inner surface of one side portion of the tapered socket of this hub is parallel to the axis of the catheter bore; (b) a tubular intermediate member of semirigid material and having a residual bias and having both a tapered bore and an outer tapered configuration which mates with and is snugly fitted into the tapered socket of the hub, the tapered bore of said intermediate member sized and configured to provide a tapered socket to receive and retain the distal end of a fluid conducting system, and (c) a needle slidably mounted within the catheter bore, this needle positioned so as to lay along and on that inner side wall surface portion of the tapered socket portion of the hub that lies in a common plane with the catheter axis, said needle having a sharpened point on its distal end, the outer diameter of the needle sized so as to be slidable in the bore of the catheter member, said needle when mounted in the catheter having a sufficient length to enable its midshaft to pass through the tapered socket of the hub and bore of the said catheter, the point of the needle extending beyond the distal end of the catheter while the needle is slidably retained between the outer surface of the intermediate member and the wall of the tapered socket of the hub, this needle midshaft displacing and to a degree compressing that inserted portion of the intermediate member adjacent the bore of the catheter, tHe angle divergence of the axis of the hub of the catheter and the mounted intermediate member from the axis of the catheter being sufficient for the shaft of the mounted needle to avoid interference with and permit ready seating and securing of the distal end of a fluid conducting system in the receiving socket of the intermediate member and as and after the needle is withdrawn from the bore of the catheter the intermediate member by its residual bias moves from its displaced condition and into a fluid sealing condition with the tapered socket formed with the hub.

Claim 2

Dependent Claim 467 words

A single-channeled intracorporeal catheter having a receiving socket for connection to the distal end of a fluid conducting system for feeding, injecting and draining, said catheter and connection including: (a) a catheter member of flexible tubing having its intermediate portion formed with a relatively constant bore, said catheter having a distal end of tapered configuration and having its other end secured in a fluid-tight manner to a hub having a tapered socket terminating at and connecting to this bore, the size of the socket progressively increasing as it approaches and reaches the open end of the hub and having the axis of this tapered socket disposed at a divergent angle to the bore of the catheter so that the inner surface of one side portion of the tapered socket of this hub is parallel to the axis of the catheter bore; (b) a tubular intermediate member of semirigid material and having a residual bias and having both a tapered bore and an outer tapered configuration which mates with and is snugly fitted into the tapered socket of the hub, the tapered bore of said intermediate member sized and configured to provide a tapered socket to receive and retain the distal end of a fluid conducting system, and (c) a needle slidably mounted within the catheter bore, this needle positioned so as to lay along and on that inner side wall surface portion of the tapered socket portion of the hub that lies in a common plane with the catheter axis, said needle having a sharpened point on its distal end, the outer diameter of the needle sized so as to be slidable in the bore of the catheter member, said needle when mounted in the catheter having a sufficient length to enable its midshaft to pass through the tapered socket of the hub and bore of the said catheter, the point of the needle extending beyond the distal end of the catheter while the needle is slidably retained between the outer surface of the intermediate member and the wall of the tapered socket of the hub, this needle midshaft displacing and to a degree compressing that inserted portion of the intermediate member adjacent the bore of the catheter, tHe angle divergence of the axis of the hub of the catheter and the mounted intermediate member from the axis of the catheter being sufficient for the shaft of the mounted needle to avoid interference with and permit ready seating and securing of the distal end of a fluid conducting system in the receiving socket of the intermediate member and as and after the needle is withdrawn from the bore of the catheter the intermediate member by its residual bias moves from its displaced condition and into a fluid sealing condition with the tapered socket formed with the hub.

Claim 3

Dependent Claim 31 words

An intracorporeal catheter as in claim 1 in which the needle is of hollow construction and having that end opposite the sharpened end attachable to a blood receiving and indicating device.

Claim 4

Dependent Claim 36 words

An intracorporeal catheter as in claim 1 in which the catheter member is of flexible plastic and the hub is of a more rigid plastic to which the catheter member is attached in a fluid-tight manner.

Claim 5

Dependent Claim 57 words

An intracorporeal catheter as in claim 1 in which the intermediate tubular member is of compressible plastic of about sixty to seventy durometer hardness and has at least one slit longitudinally disposed of one-half to one-third the length of the intermediate member, said slit formed through the wall and in the smaller end of the tubular member.

Claim 6

Dependent Claim 67 words

An intracorporeal catheter as in claim 1 in which the tapered bore of the intermediate member and distal end of the connected fluid conductor are compatibly configured so that when pushed forwardly into the body, after removal of the needle, the tapered configurations further lock the end of the fluid conductor in the intermediate member and the intermediate member into the tapered socket in the catheter hub.

Claim 7

Dependent Claim 106 words

An intracorporeal catheter as in claim 1 in which the inner surface of the tapered socket in the hub is formed with inwardly directed ear guides, said guides adapted to engage the shank of a needle to guide the needle during withdrawal from a body structure and through the bore of the catheter and then past the intermediate member the combined residual bias of the intermediate member and the catheter hub sufficient to close that area prior occupied by the just withdrawn needle to prevent blood seepage from this needle passageway by and between the hub socket inner surface and the intermediate member''s outer tapered surface.

Claim 8

Dependent Claim 31 words

An intracorporeal catheter as in claim 1 in which the catheter and extending needle point in the assembled condition are adapted for ready penetration through the skin and into the body.

Claim 9

Dependent Claim 450 words

A single-channeled intracorporeal catheter having a receiving socket for connection to the distal end of a fluid conducting system for feeding, injecting, draining and the like for use with a patient, said catheter and connection including: (a) a catheter member of flexible tubing having its intermediate portion formed with a relatively constant bore, said catheter having a distal end of tapered configuration and having its other end secured in a fluid-tight manner to a hub whose inner surface is formed with a cone-like configuration and having the axis of this inner cone-like configuration disposed at such an angle divergent to the catheter''s axis that the inner surface of one side portion of the hub is parallel to the axis of the catheter bore, the cone-like bore of the hub increasing from a bore diameter substantially equal to the bore of the catheter''s flowconnected end to a larger diameter toward the open end of the hub; (b) an intermediate member of semirigid material and having a residual bias and having both a tapered bore and an outer conical shape, this outer conical shape mating with and snugly fitted into the cone-like bore of the hub, the tapered bore of said intermediate member sized and configured to provide a tapered socket to receive and retain the distal end of a fluid conducting system, said member having at least one longitudinally disposed slit of one-half to one-third the length of the intermediate member, said slit formed Through the wall and in the smaller end of said member, and (c) a needle slidably mounted within the catheter bore poisitoned so as to lay along and on that inner side wall surface portion of the hub that lies in a common plane with the catheter axis, said needle having a sharpened point on one end, the outer diameter of the needle sized so as to be slidable in the bore of the catheter member and when in said catheter bore providing a fluid shutoff to any flow from a fluid conducting system connected to the open end of the intermediate member and from thence to the catheter, said needle further constructed with a determined length so that when mounted in the catheter to pass through hub and bore of the said catheter the point of the needle extends beyond the distal end of the catheter, the needle while inserted between the intermediate member and the hub inner wall also entering the longitudinally formed slit to reduce displacement of the inner portion of the mounted intermediate member and as and after the needle is withdrawn the intermediate member by its residual bias moves into a fluid sealing condition with the cone-like configuration formed within the hub.

Claim 10

Dependent Claim 450 words

A single-channeled intracorporeal catheter having a receiving socket for connection to the distal end of a fluid conducting system for feeding, injecting, draining and the like for use with a patient, said catheter and connection including: (a) a catheter member of flexible tubing having its intermediate portion formed with a relatively constant bore, said catheter having a distal end of tapered configuration and having its other end secured in a fluid-tight manner to a hub whose inner surface is formed with a cone-like configuration and having the axis of this inner cone-like configuration disposed at such an angle divergent to the catheter''s axis that the inner surface of one side portion of the hub is parallel to the axis of the catheter bore, the cone-like bore of the hub increasing from a bore diameter substantially equal to the bore of the catheter''s flowconnected end to a larger diameter toward the open end of the hub; (b) an intermediate member of semirigid material and having a residual bias and having both a tapered bore and an outer conical shape, this outer conical shape mating with and snugly fitted into the cone-like bore of the hub, the tapered bore of said intermediate member sized and configured to provide a tapered socket to receive and retain the distal end of a fluid conducting system, said member having at least one longitudinally disposed slit of one-half to one-third the length of the intermediate member, said slit formed Through the wall and in the smaller end of said member, and (c) a needle slidably mounted within the catheter bore poisitoned so as to lay along and on that inner side wall surface portion of the hub that lies in a common plane with the catheter axis, said needle having a sharpened point on one end, the outer diameter of the needle sized so as to be slidable in the bore of the catheter member and when in said catheter bore providing a fluid shutoff to any flow from a fluid conducting system connected to the open end of the intermediate member and from thence to the catheter, said needle further constructed with a determined length so that when mounted in the catheter to pass through hub and bore of the said catheter the point of the needle extends beyond the distal end of the catheter, the needle while inserted between the intermediate member and the hub inner wall also entering the longitudinally formed slit to reduce displacement of the inner portion of the mounted intermediate member and as and after the needle is withdrawn the intermediate member by its residual bias moves into a fluid sealing condition with the cone-like configuration formed within the hub.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1978-02-03	1978-08-05	1979-02-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1982-02-03	1982-08-05	1983-02-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1986-02-03	1986-08-05	1987-02-04	$7700.00	Window Closed / Lapsed

Intracorporeal catheter assembly

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