US3338239A - Surgical puncturing device - Google Patents

Surgical puncturing device Download PDF

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Publication number
US3338239A
US3338239A US402539A US40253964A US3338239A US 3338239 A US3338239 A US 3338239A US 402539 A US402539 A US 402539A US 40253964 A US40253964 A US 40253964A US 3338239 A US3338239 A US 3338239A
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United States
Prior art keywords
face
needle
holder
plunger
shaft
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Expired - Lifetime
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US402539A
Inventor
Mausteller John Wilson
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MSA Safety Inc
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Mine Safety Appliances Co
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Publication date
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Priority to US402539A priority Critical patent/US3338239A/en
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Publication of US3338239A publication Critical patent/US3338239A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150015—Source of blood
    • A61B5/150022—Source of blood for capillary blood or interstitial fluid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
    • A61B5/150435—Specific design of proximal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150473—Double-ended needles, e.g. used with pre-evacuated sampling tubes
    • A61B5/150496—Details of construction of hub, i.e. element used to attach the double-ended needle to a piercing device or sampling device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
    • A61B5/150381—Design of piercing elements
    • A61B5/150503—Single-ended needles
    • A61B5/150519—Details of construction of hub, i.e. element used to attach the single-ended needle to a piercing device or sampling device
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15103—Piercing procedure
    • A61B5/15105—Purely manual piercing, i.e. the user pierces the skin without the assistance of any driving means or driving devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
    • A61B5/15188—Constructional features of reusable driving devices
    • A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
    • A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
    • A61B5/150305—Packages specially adapted for piercing devices or blood sampling devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150732—Needle holders, for instance for holding the needle by the hub, used for example with double-ended needle and pre-evacuated tube
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
    • A61B5/15123—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising magnets or solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
    • A61B5/15101—Details
    • A61B5/15126—Means for controlling the lancing movement, e.g. 2D- or 3D-shaped elements, tooth-shaped elements or sliding guides
    • A61B5/1513—Means for controlling the lancing movement, e.g. 2D- or 3D-shaped elements, tooth-shaped elements or sliding guides comprising linear sliding guides

Definitions

  • This invention relates to a surgical puncturing device and more particularly to such a device for obtaining blood samples by making incisions of small depth into the skin.
  • a further object is to provide such a device in which a puncturing needle is detachably secured to a holder by magnetic attraction.
  • a still further object is to provide such a device wherein only sterile needle surfaces will touch the subject from whom blood samples are being taken.
  • a puncturing needle having a head or flange of magnetic material is detachably secured to holder solely by one or more permanent magnets embedded in the holder.
  • the head of the needle is large enough to cover the entire holder surface to which it is attached.
  • a sterile puncturing needle can be placed on the holder, without being touched by the user, merely by bringing the portion of the holder in which the magnet is embedded into close proximity of the magnetic head on the needle.
  • the holder includes a manually depressable plunger to eject the needle by moving it away from the magnet.
  • FIG. 1 is a longitudinal sectional view of one embodiment of this invention showing the puncturing needle in position on the holder;
  • FIG. 2 is a plan view of the end face of the holder shown in FIG. 1;
  • FIG. 3 is a plan view of a modified needle suitable for use with the holder shown in FIG. 1;
  • FIG. 4 is a longitudinal sectional view of a modified puncturing device showing the puncturing needle of FIG. 3 in position on the holder.
  • the holder of the puncturing device has an elongate tubular body member 2, preferably cylindrical, having a small diameter axial bore 4.
  • the body member may be formed of any non-magnetic material, suitably plastic or stainless steel.
  • Permanent magnets 6 are embedded in the sidewalls of the body member and have a surface 8 exposed that forms a portion of the end face 10 of the body member. The magnets may be oriented so that either one or both poles are exposed.
  • a plunger 12, having an operating knob 14, is frictionally held in bore 4.
  • Spring 16 arranged between the body member and knob, urges the plunger to a retracted position away from end face 10.
  • the needle consists of a disc-like head 20 formed of magnetic material and a centrally positioned depending pointed shaft 22.
  • the shaft passes through the bottom of a plastic cup-shaped guide 24 which has a sidewall 26 extending beyond head 20.
  • the head 20 is conformed to match the end face 10 of the body member and the body member is sized so that it will just fit inside cup 24.
  • the user When desiring to use the puncturing device, the user places the end of the body member in the plastic cup; the magnets attract the needle and securely hold it to the body member in the proper position as guided by the sidewalls of the cup. The user then grasps the body member to thrust the needle into the skin and withdraws it, the head of the needle serving as a stop to prevent too deep penetration. The needle is then ejected by de pressing the plunger to push it away from the magnets in end face 10.
  • the needles are readily sterilized, and can be conveniently supplied inserted point down in sterile foam or cotton.
  • the skin is exposed only to the sterile surface of the needle and plastic cup, so danger of transfer of bacteria or virus from the holder is eliminated.
  • the magnetic needle head may be formed in a cup shape rather than using the separate guide 24.
  • FIG. 3 shows another needle suitable for use in this invention and is illustrated in operating position with the holder in FIG. 4.
  • the pointed shaft 28 is press fitted into a central opening 30 of flange 32, which flange is made of magnetic material.
  • the portion of the shaft 34 above the flange is sized to fit bore 4 of the holder to serve as a guide to maintain the needle in the proper position on the holder.
  • a stop means is provided for the plunger and the needle guide is integrally formed with the holder.
  • the body member 36 has a small diameter bore 38 and a chamber 40 of enlarged diameter.
  • Plunger 42 has a flange 44 that is positioned in chamber 40.
  • Spring 46 is arranged between the bottom wall of chamber 40 and flange 44 to urge the plunger to a retracted position, the top wall of chamber 40 serving as a stop to limit the travel of the plunger.
  • the body member is conveniently formed from two semicylindrical halves; the plunger and spring are positioned in one half of the body member and the second half of the body is then placed in position and bonded to the first half.
  • a peripheral ring 47 integrally formed with the body member, defines the end face 48 having embedded magnets 50, as previously described.
  • the magnetic head 32 of the puncturing needle is sized to just fit inside ring 46, whereby the needle is guided to the proper position on the holder.
  • end faces illustrated herein are concave to match a convex needle head, it is apparent that other matching shapes may be used if desired, for example, the end face and needle head may be flat.
  • a surgical puncturing device comprising a cylindrical housing having an end face, an axial bore opening at said end face, a plunger within said axial bore extendable beyond said end face, resilient means to urge said plunger to a retracted position away from said end face, a permanent magnet embeddw in said housing and having at least one pole surface exposed at said end face, a removable needle having a shaft adapted to engage said bore and a disc of magnetic material matching said end face and secured to said shaft, said disc being normal to and spaced from the ends of said shaft.
  • a device in which said housing has an integral peripheral ring extending outwardly from said end face and said disc lies within said ring.
  • a needle for a surgical puncturing device comprising:

Description

United States Patent Filed Oct. 8, 1964, Ser. No. 402,539 3 Claims. (Cl. 128-329) This invention relates to a surgical puncturing device and more particularly to such a device for obtaining blood samples by making incisions of small depth into the skin.
It is an object of this invention to provide a simple, inexpensive puncturing device in which the puncturing needle is easily replaceable. A further object is to provide such a device in which a puncturing needle is detachably secured to a holder by magnetic attraction. A still further object is to provide such a device wherein only sterile needle surfaces will touch the subject from whom blood samples are being taken. Other objects will be apparent from the following description and claims.
In accordance with this invention, a puncturing needle having a head or flange of magnetic material is detachably secured to holder solely by one or more permanent magnets embedded in the holder. Preferably the head of the needle is large enough to cover the entire holder surface to which it is attached. A sterile puncturing needle can be placed on the holder, without being touched by the user, merely by bringing the portion of the holder in which the magnet is embedded into close proximity of the magnetic head on the needle. The holder includes a manually depressable plunger to eject the needle by moving it away from the magnet.
In the accompanying drawings:
FIG. 1 is a longitudinal sectional view of one embodiment of this invention showing the puncturing needle in position on the holder;
FIG. 2 is a plan view of the end face of the holder shown in FIG. 1;
FIG. 3 is a plan view of a modified needle suitable for use with the holder shown in FIG. 1; and
FIG. 4 is a longitudinal sectional view of a modified puncturing device showing the puncturing needle of FIG. 3 in position on the holder.
Referring to FIGS. 1 and 2, the holder of the puncturing device has an elongate tubular body member 2, preferably cylindrical, having a small diameter axial bore 4. The body member may be formed of any non-magnetic material, suitably plastic or stainless steel. Permanent magnets 6 are embedded in the sidewalls of the body member and have a surface 8 exposed that forms a portion of the end face 10 of the body member. The magnets may be oriented so that either one or both poles are exposed. A plunger 12, having an operating knob 14, is frictionally held in bore 4. Spring 16, arranged between the body member and knob, urges the plunger to a retracted position away from end face 10.
The needle consists of a disc-like head 20 formed of magnetic material and a centrally positioned depending pointed shaft 22. The shaft passes through the bottom of a plastic cup-shaped guide 24 which has a sidewall 26 extending beyond head 20. The head 20 is conformed to match the end face 10 of the body member and the body member is sized so that it will just fit inside cup 24.
When desiring to use the puncturing device, the user places the end of the body member in the plastic cup; the magnets attract the needle and securely hold it to the body member in the proper position as guided by the sidewalls of the cup. The user then grasps the body member to thrust the needle into the skin and withdraws it, the head of the needle serving as a stop to prevent too deep penetration. The needle is then ejected by de pressing the plunger to push it away from the magnets in end face 10.
The needles are readily sterilized, and can be conveniently supplied inserted point down in sterile foam or cotton. The skin is exposed only to the sterile surface of the needle and plastic cup, so danger of transfer of bacteria or virus from the holder is eliminated.
If desired, the magnetic needle head may be formed in a cup shape rather than using the separate guide 24.
FIG. 3 shows another needle suitable for use in this invention and is illustrated in operating position with the holder in FIG. 4. The pointed shaft 28 is press fitted into a central opening 30 of flange 32, which flange is made of magnetic material. The portion of the shaft 34 above the flange is sized to fit bore 4 of the holder to serve as a guide to maintain the needle in the proper position on the holder.
In the modified embodiment shown in FIG. 4, a stop means is provided for the plunger and the needle guide is integrally formed with the holder.
The body member 36 has a small diameter bore 38 and a chamber 40 of enlarged diameter. Plunger 42 has a flange 44 that is positioned in chamber 40. Spring 46 is arranged between the bottom wall of chamber 40 and flange 44 to urge the plunger to a retracted position, the top wall of chamber 40 serving as a stop to limit the travel of the plunger. In the manufacture of this device, the body member is conveniently formed from two semicylindrical halves; the plunger and spring are positioned in one half of the body member and the second half of the body is then placed in position and bonded to the first half. A peripheral ring 47, integrally formed with the body member, defines the end face 48 having embedded magnets 50, as previously described. The magnetic head 32 of the puncturing needle is sized to just fit inside ring 46, whereby the needle is guided to the proper position on the holder.
Although the end faces illustrated herein are concave to match a convex needle head, it is apparent that other matching shapes may be used if desired, for example, the end face and needle head may be flat.
According to the patent statutes, I have explained the principle and mode of practicing my invention and have described what I now consider to be its best embodiment. However, I desire to have it understood that, within the scope of the appended claims, the invention may be practiced otherwise than as specifically described.
I claim:
1. A surgical puncturing device comprising a cylindrical housing having an end face, an axial bore opening at said end face, a plunger within said axial bore extendable beyond said end face, resilient means to urge said plunger to a retracted position away from said end face, a permanent magnet embeddw in said housing and having at least one pole surface exposed at said end face, a removable needle having a shaft adapted to engage said bore and a disc of magnetic material matching said end face and secured to said shaft, said disc being normal to and spaced from the ends of said shaft.
2. A device according to claim 1 in which said housing has an integral peripheral ring extending outwardly from said end face and said disc lies within said ring.
3. A needle for a surgical puncturing device comprising:
(a) a shaft, having an upper cylindrical portion and a lower cylindrical portion, said upper portion having a larger diameter than said lower portion and said lower portion terminating in a surgical point, and
(b) a disc of magnetic material press fit on said lower portion and abutting said upper portion, said disc 3 4 being nonnal to and spaced from theends of said 2,627,423 2/ 1953 Copeman, shaft. 3,123,212 3/ 1964 Taylor et a1 206-634 R f en e Cited 3,208,452 9/ 1965 Stem 128-315 UNITED STATES PATENTS 3,221,739 12/ 1965 Rosenthal 128253 1 3 5 9 /1919 RICHARD A. GAUDET, Primary Examiner.
1,419,140 6/1922 Hutchinson- G. MCNEILL, Assistant Examiner.

Claims (1)

1. A SURGICAL PUNCTURING DEVICE COMPRISING A CYLINDRICAL HOUSING HAVING AN END FACE, AN AXIAL BORE OPENING AT SAID END FACE, A PLUNGER WITHIN SAID AXIAL BORE EXTENDABLE BEYOND SAID END FACE, RESILIENT MEANS TO URGE SAID PLUNGER TO A RETRACTED POSITION AWAY FROM SAID END FACE, A PERMANENT MAGNET EMBEDDED IN SAID HOUSING AND HAVING AT LEAST ONE POLE SURFACE EXPOSED AT SAID END FACE, A REMOVABLE NEEDLE HAVING A SHAFT ADAPTED TO ENGAGE SAID BORE AND A DISC OF MAGNETIC MATERIAL MATCHING SAID END FACE AND SECURED TO SAID SHAFT, SAID DISC BEING NORMAL TO AND SPACED FROM THE ENDS OF SAID SHAFT.
US402539A 1964-10-08 1964-10-08 Surgical puncturing device Expired - Lifetime US3338239A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760809A (en) * 1971-10-22 1973-09-25 Damon Corp Surgical lancet having casing
US4462405A (en) * 1982-09-27 1984-07-31 Ehrlich Joseph C Blood letting apparatus
US4616649A (en) * 1984-09-20 1986-10-14 Becton, Dickinson And Company Lancet
EP0189117A3 (en) * 1985-01-18 1987-05-13 Becton, Dickinson And Company Lancet
US5304192A (en) * 1992-01-16 1994-04-19 Sherwood Medical Company Lancet with locking cover
US5527333A (en) * 1994-09-09 1996-06-18 Graphic Controls Corporation Slicing disposable blood sampling device
US5582184A (en) * 1993-10-13 1996-12-10 Integ Incorporated Interstitial fluid collection and constituent measurement
US5879367A (en) * 1995-09-08 1999-03-09 Integ, Inc. Enhanced interstitial fluid collection
US6152889A (en) * 1995-09-08 2000-11-28 Integ, Inc. Body fluid sampler
US20030161760A1 (en) * 1999-03-12 2003-08-28 Allen John J. Collection well for body fluid tester
US6614522B1 (en) 1995-09-08 2003-09-02 Integ, Inc. Body fluid sampler
US6624882B2 (en) 1995-09-08 2003-09-23 Integ, Inc. Methods of sampling body fluid
US20050234490A1 (en) * 2004-04-16 2005-10-20 Allen John J Tiltable cap for a dermal tissue lancing device
US20050234491A1 (en) * 2004-04-16 2005-10-20 Allen John J Method for lancing a dermal tissue target site employing a dermal tissue lancing device with a tiltable cap
US20060004303A1 (en) * 2004-06-30 2006-01-05 Weidenhaupt Klaus P Fluid handling devices

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1317455A (en) * 1919-09-30 Tool-hanixle
US1419140A (en) * 1919-08-15 1922-06-13 Richard A Hutchinson Needle-pointing machine
US2627423A (en) * 1949-04-23 1953-02-03 Copeman Lab Co Tractor hitch
US3123212A (en) * 1964-03-03 Multiple disposable intracutaneous injector package
US3208452A (en) * 1960-09-08 1965-09-28 Panray Parlam Corp Surface treating device
US3221739A (en) * 1962-03-26 1965-12-07 Rosenthal Sol Roy Injection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1317455A (en) * 1919-09-30 Tool-hanixle
US3123212A (en) * 1964-03-03 Multiple disposable intracutaneous injector package
US1419140A (en) * 1919-08-15 1922-06-13 Richard A Hutchinson Needle-pointing machine
US2627423A (en) * 1949-04-23 1953-02-03 Copeman Lab Co Tractor hitch
US3208452A (en) * 1960-09-08 1965-09-28 Panray Parlam Corp Surface treating device
US3221739A (en) * 1962-03-26 1965-12-07 Rosenthal Sol Roy Injection device

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3760809A (en) * 1971-10-22 1973-09-25 Damon Corp Surgical lancet having casing
US4462405A (en) * 1982-09-27 1984-07-31 Ehrlich Joseph C Blood letting apparatus
US4616649A (en) * 1984-09-20 1986-10-14 Becton, Dickinson And Company Lancet
EP0189117A3 (en) * 1985-01-18 1987-05-13 Becton, Dickinson And Company Lancet
US5304192A (en) * 1992-01-16 1994-04-19 Sherwood Medical Company Lancet with locking cover
US5324302A (en) * 1992-10-13 1994-06-28 Sherwood Medical Company Lancet with locking cover
US5746217A (en) * 1993-10-13 1998-05-05 Integ Incorporated Interstitial fluid collection and constituent measurement
US5582184A (en) * 1993-10-13 1996-12-10 Integ Incorporated Interstitial fluid collection and constituent measurement
US5820570A (en) * 1993-10-13 1998-10-13 Integ Incorporated Interstitial fluid collection and constituent measurement
US7137957B2 (en) 1993-10-13 2006-11-21 Integ, Inc. Interstitial fluid collection and constituent measurement
US6080116A (en) * 1993-10-13 2000-06-27 Integ Incorporated Interstitial fluid collection and constituent measurement
US7066885B2 (en) 1993-10-13 2006-06-27 Integ, Inc. Interstitial fluid collection and constituent measurement
US7014615B2 (en) 1993-10-13 2006-03-21 Integ, Inc. Interstitial fluid collection and constituent measurement
US6602205B1 (en) 1993-10-13 2003-08-05 Integ, Inc. Interstitial fluid collection and constituent measurement
US20030149377A1 (en) * 1993-10-13 2003-08-07 Erickson Brian J. Interstitial fluid collection and constituent measurement
US7001343B2 (en) 1993-10-13 2006-02-21 Integ, Inc. Interstitial fluid collection and constituent measurement
US20040087873A1 (en) * 1993-10-13 2004-05-06 Erickson Brian J. Interstitial fluid collection and constituent measurement
US5527333A (en) * 1994-09-09 1996-06-18 Graphic Controls Corporation Slicing disposable blood sampling device
US20040008344A1 (en) * 1995-09-08 2004-01-15 Sopp John P. Body fluid sampler
US6997886B2 (en) 1995-09-08 2006-02-14 Integ, Inc. Enhanced interstitial fluid collection
US5879367A (en) * 1995-09-08 1999-03-09 Integ, Inc. Enhanced interstitial fluid collection
US20040049130A1 (en) * 1995-09-08 2004-03-11 Integ, Inc. Body fluid sampler
US6712776B2 (en) 1995-09-08 2004-03-30 Integ, Inc. Enhanced interstitial fluid collection
US6614522B1 (en) 1995-09-08 2003-09-02 Integ, Inc. Body fluid sampler
US6624882B2 (en) 1995-09-08 2003-09-23 Integ, Inc. Methods of sampling body fluid
US6152889A (en) * 1995-09-08 2000-11-28 Integ, Inc. Body fluid sampler
US6940591B2 (en) 1995-09-08 2005-09-06 Integ, Inc. Body fluid sampler
US7041067B2 (en) 1995-09-08 2006-05-09 Integ, Inc. Body fluid sampler
US20060084888A1 (en) * 1995-09-08 2006-04-20 Latterell Scott T Enhanced interstitial fluid collection
US6203504B1 (en) 1995-09-08 2001-03-20 Integ, Inc. Enhanced interstitial fluid collection
US6860873B2 (en) 1999-03-12 2005-03-01 Integ, Inc. Methods for collecting body fluid
US20030161760A1 (en) * 1999-03-12 2003-08-28 Allen John J. Collection well for body fluid tester
US6899851B2 (en) 1999-03-12 2005-05-31 Integ, Inc. Collection well for body fluid tester
US20030175169A1 (en) * 1999-03-12 2003-09-18 Allen John J. Methods for collecting body fluid
US7182910B2 (en) 1999-03-12 2007-02-27 Integ, Inc. Collection well for body fluid tester
US20050234491A1 (en) * 2004-04-16 2005-10-20 Allen John J Method for lancing a dermal tissue target site employing a dermal tissue lancing device with a tiltable cap
US20050234490A1 (en) * 2004-04-16 2005-10-20 Allen John J Tiltable cap for a dermal tissue lancing device
US20060000710A1 (en) * 2004-06-30 2006-01-05 Klaus Peter Weidenhaupt Fluid handling methods
US20060004303A1 (en) * 2004-06-30 2006-01-05 Weidenhaupt Klaus P Fluid handling devices
US8343074B2 (en) 2004-06-30 2013-01-01 Lifescan Scotland Limited Fluid handling devices

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