MX9704674A - Geometria de cinco puntos biselados para una aguja hipodermica. - Google Patents

Geometria de cinco puntos biselados para una aguja hipodermica.

Info

Publication number
MX9704674A
MX9704674A MX9704674A MX9704674A MX9704674A MX 9704674 A MX9704674 A MX 9704674A MX 9704674 A MX9704674 A MX 9704674A MX 9704674 A MX9704674 A MX 9704674A MX 9704674 A MX9704674 A MX 9704674A
Authority
MX
Mexico
Prior art keywords
bevels
primary
beveled point
bevel
inclination
Prior art date
Application number
MX9704674A
Other languages
English (en)
Inventor
Judith L Doyle
Steven L Koziol
Original Assignee
Becton Dickinson Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Becton Dickinson Co filed Critical Becton Dickinson Co
Publication of MX9704674A publication Critical patent/MX9704674A/es

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3286—Needle tip design, e.g. for improved penetration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/19—Constructional features of carpules, syringes or blisters
    • A61M2205/192—Avoiding coring, e.g. preventing formation of particles during puncture
    • A61M2205/195—Avoiding coring, e.g. preventing formation of particles during puncture by the needle tip shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Una aguja hipodérmica que incluye una geometría de punta multibiselada se presenta. En una modalidad, la punta multibiselada incluye un bisel primario, un par de biseles de punta y un par de biseles medios cada uno intermedio con el bisel primario y uno respectivo de los biseles de punta. Los biseles primarios y los medios son proporcionados en ángulos de inclinacion, medios entre el eje central y un plano de referencia que son substancialmente igual. Las puntas biseladas se forman en un ángulo de inclinacion respecto del eje central el cual no es igual al ángulo de inclinacion en el que los biseles primarios y medianos se forman. La geometría de cinco puntos biselados resultante contribuye a una cara de bisel más continua libre de intersecciones o transiciones abruptas entre las caras biseladas respectivas, disminuyendo las fuerzas de penetracion requerida para penetrar la punta de la aguja a través de la piel, carne u otro material.
MX9704674A 1996-06-20 1997-06-20 Geometria de cinco puntos biselados para una aguja hipodermica. MX9704674A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/670,255 US5752942A (en) 1996-06-20 1996-06-20 Five beveled point geometry for a hypodermic needle

Publications (1)

Publication Number Publication Date
MX9704674A true MX9704674A (es) 1997-12-31

Family

ID=24689648

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9704674A MX9704674A (es) 1996-06-20 1997-06-20 Geometria de cinco puntos biselados para una aguja hipodermica.

Country Status (12)

Country Link
US (2) US5752942A (es)
EP (2) EP1281411B1 (es)
JP (1) JP2956962B2 (es)
KR (1) KR100408923B1 (es)
CN (1) CN1154519C (es)
AU (1) AU738278B2 (es)
BR (1) BR9703644A (es)
CA (1) CA2207644C (es)
DE (2) DE69734121T2 (es)
ES (2) ES2247249T3 (es)
MX (1) MX9704674A (es)
SG (1) SG50844A1 (es)

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Also Published As

Publication number Publication date
JPH1057490A (ja) 1998-03-03
AU738278B2 (en) 2001-09-13
EP1281411A1 (en) 2003-02-05
AU2490497A (en) 1998-01-08
KR100408923B1 (ko) 2004-03-20
DE69720871T2 (de) 2003-11-13
CA2207644A1 (en) 1997-12-20
JP2956962B2 (ja) 1999-10-04
ES2247249T3 (es) 2006-03-01
ES2195055T3 (es) 2003-12-01
CA2207644C (en) 2000-11-28
DE69720871D1 (de) 2003-05-22
EP1281411B1 (en) 2005-08-31
SG50844A1 (en) 1998-07-20
DE69734121T2 (de) 2006-02-23
KR980000482A (ko) 1998-03-30
US5752942A (en) 1998-05-19
CN1169320A (zh) 1998-01-07
BR9703644A (pt) 1998-08-11
US6009933A (en) 2000-01-04
EP0819442B1 (en) 2003-04-16
EP0819442A1 (en) 1998-01-21
DE69734121D1 (de) 2005-10-06
CN1154519C (zh) 2004-06-23

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