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US6162203: Cargo delivery needle

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Filing Information

Inventor(s) John R. Haaga ·
Assignee(s) None listed in document.
Attorney/Agent(s) Vickers, Daniels & Young ·
Primary Examiner Sharon Kennedy ·
Assistant Examiner Michael J. Hayes ·
Application Number US9228117
Filing date 01/11/1999
Issue date 12/19/2000
Predicted expiration date 01/11/2019
U.S. Classifications 604/272  · 604/164.06  ·
International Classifications A61M 532  ·
Kind CodeA
International Classifications 604164;264;272;500;502;506;57 ·
32 Claims, No Drawings


Abstract

A cargo delivery device has coaxial, telescopically interengaged cargo delivery needle, an outer cannulas which are axially and rotatably displaceable relative to one another. The cargo delivery needle has a distal portion provided with a cargo recess for carrying a cargo to a site in a patient.

Independent Claims | See all claims (32)

  1. 1. A cargo delivery needle comprising a longitudinally-extending member being substantially cylindrical and having an axis, an outer surface, a proximal end, a distal end and a cargo recess, said cargo recess being coterminous with said distal end for delivering a cargo at a site, said cargo recess opening radially into said member from said outer surface and said distal end of said needle, said cargo recess having a bottom wall, a proximate wall, and a pair of bottom edges, said cargo recess extending from said distal end toward said proximal end and terminating at said proximal wall, said cargo recess extending radially from said outer surface into said longitudinally-extending member and terminating at said bottom wall, said bottom wall intersecting said outer surface at each one of said pair of bottom edges such that said bottom edges are parallel to said axis.
  2. 9. A cargo delivery device for delivering a cargo to a specific site in a patient, comprising an outer cannula having an axis, a delivery cannula coaxial with and relatively displaceably received in said outer cannula, a cargo delivery member coaxial with and relatively displaceably received in said delivery cannula, each said delivery and outer cannula and said cargo delivery member having a distal portion including a distal end and a proximal portion extending from said distal portion, said delivery cannula and said cargo delivery member being individually axially displaceable relative to said outer cannula, each being displaceable between a retracted and an extended position, in said retracted position each of said distal portions being stationed within the distal portion of said outer cannula, and in said extended position each of said distal portions being stationed axially outwardly from the distal end of said outer cannula and thereby being delivered into said site, said cargo delivery member including a longitudinally-extending member being substantially cylindrical and having an axis, an outer surface, a proximal end, a distal end, and a cargo recess, said cargo recess being coterminous with said distal end for delivering a cargo at a site, said cargo recess opening radially into said member from said outer surface in said distal end of said needle, said cargo recess having a bottom wall, a proximate wall, and a pair of bottom edges, said cargo recess extending from said distal end toward said proximal end and terminating at said proximal wall, said cargo recess extending radially from said outer surface into said longitudinally-extending member and terminating at said bottom wall, said bottom wall intersecting said outer surface at each one of said pair of bottom edges such that said bottom edges are parallel to said axis.
  3. 25. A method for depositing a material to a body site comprising the steps of:a) providing a delivery needle and an outer cannula co-axially receiving said delivery needle, said delivery needle comprising a longitudinally-extending member being substantially cylindrical and having an axis, an outer surface, a proximal end, a distal end, and a cargo recess, said cargo recess being coterminous with said distal end for delivering a cargo at a site, said cargo recess opening radially into said member from said outer surface and said distal end of said needle, said cargo recess having a bottom wall, a proximate wall, and a pair of bottom edges, said cargo recess extending from said distal end toward said proximal end and terminating at said proximal wall, said cargo recess extending radially from said outer surface into said longitudinally-extending member and terminating at said bottom wall, said bottom wall intersecting said outer surface at one of said pair of bottom edges such that said bottom edges are parallel to said axis;b) moving said outer cannula into a patient to a point at least closely adjacent said body site where said material is to be deposited;c) moving said delivery needle to said body site;d) depositing said material in said cargo recess at said body site; ande) withdrawing said outer cannula and said delivery needle from said patient.

Referenced By

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