US3840008A - Safety hypodermic needle - Google Patents

Safety hypodermic needle Download PDF

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Publication number
US3840008A
US3840008A US24524472A US3840008A US 3840008 A US3840008 A US 3840008A US 24524472 A US24524472 A US 24524472A US 3840008 A US3840008 A US 3840008A
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Prior art keywords
piercing member
delivery tube
patient
tissue
blunt nose
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D Noiles
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United States Surgical Corp
SURGICAL CORP
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SURGICAL CORP
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    • 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
    • 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
    • A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
    • 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
    • A61M5/329—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 characterised by features of the needle shaft
    • A61M5/3291—Shafts with additional lateral openings

Definitions

  • the needle comprises a pointed hollow piercing member slidably mounted in a substantially frictionless manner '8" about a hollow fluid delivery tube.
  • the delivery tube [58] Fieid 128/221 4 4 218 N has a blunt nose and is longitudinally of a constant di- 128/2l8 R ameter, has at least one fluid opening near its blunt C end, and is adapted to be connected to a conventional syringe at its other end.
  • the hollow piercing member d to the deliver tube b a tin er-o erated [56] References Cited comiecte y g p collapsible bar.
  • the bar is prov1ded w1th a centrally UNITED STATES PATENTS located groove to facilitate collapse at the moment the Nadeau F perator removes the force of finger
  • the .bl t 21705949 4/l955 sllverma 128/2 B nose delivery tube is then free to penetrate into the i E a?
  • the delivery tube has an outside diameter in the region of the blunt end portion which is slightly larger than the diameter of the remainder of its shank portion. This is necessitated by the requirement that the piercing member frictionally engage the blunt end portion of the delivery tube. In operation, the piercing member is insertedinto the pa tient until a limiting collar abuts the patients skin.
  • the present invention relates to an apparatus and method for safely injecting fluid into a patient.
  • the skin surface of the patient is punctured with a sharp piercing member, and injection depth is accomplished by the insertion of a blunt end delivery tube having at least one opening in the region of its blunt end.
  • Theoperator has positive control over the inventive hypodermic needle at all times, and can releasethe delivery tube for smooth penetration into the tissue of the patient at will.
  • the hypodermic injection apparatus of the present invention includes a sharp, preferably metallic, pointed member for piercing the skin of the patient.
  • a collar is mounted on the end of the piercing member, remote from the sharp end, and serves to limit penetration into the patients tissue.
  • An elongated delivery tube defines a coaxial frictionless mount for the piercing member, and serves to deliver fluids to the patient.
  • the delivery tube is of the same diameter over its entire length. and has, at its blunt end, at least one opening at its surface. At its other end, there is provided an integral hub to facilitate mounting on a conventional'syringe.
  • the elongated delivery tube of the present inven tion is of a constant diameter over its entire length, manufacturing costs are substantially lower than those involved in manufacturing needles according to the referenced prior art.
  • the sharp pointed piercing member is connected with the hub of the delivery tube through a preferably plastic fingeroperated collapsible bar.
  • This bar is at one end integrally secured to the collar of the piercing member, and at the other end similarly secured to the hub of the delivery tube.
  • At the center of the bar is a groove to facilitate the collapse of the finger-operated bar when released by the operator.
  • the inventive apparatus can be manufactured easily and at low cost. This permits economical disposal of the unit after one use.
  • the sharp pointed piercing memher is slidably mounted about the elongated delivery tube is a substantially frictionless manner the operator maintains full control over the unit.
  • the release of the delivery tube from the piercing member is accomplished at the will of the operator and requires the exertion of no special forces by the operator. Hence, the operator can carefully and accurately perform the injection procedure, thus minimizing the risk of injury to soft tissue, blood vessels, nerves and bone.
  • FIG. 1 is a cross section showing the manner in which the inventive hypodermic needle is inserted into the DETAILED DESCRIPTION OF THE DRAWINGS
  • the inventive, needle unit is shown generally at 10, and comprises a sharp pointed piercing member 12 mounted on a hollow elongated delivery tube 14.
  • the front end of the piercing member 12 is provided with a sharp point 16, and the rear end is provided with a limiting collar 18.
  • the piercing member 12 is slidably mounted on the elongated delivery tube 14, in a substantially frictionless manner.
  • the elongated delivery tube 14 is of a uniform diame ter over its entire length, has a blunt nose 20, and has at least one opening 22 in its surface. At its end remote from the blunt nose 20, the delivery. tube 14 is provided with a firmly mounted hub 22, adapted to associate with a conventional hypodermic syringe 24. And as can best be seen in FIG. 1, the hub 22 is internally threaded so as to mate with the externally threaded nose of the syringe 24.
  • FIGS. 1 and 2 it is shown that the collar 18 and the hub 22 are made integral through the means of a collapsible bar 26.
  • a groove 28 At the center of bar 26 is a groove 28 separating the bar into front and rear elements 30 and 32 respectively.
  • the hub 22, the collapsible bar 26 and the collar 18 of the piercing member are integral and of a plastic material.
  • the piercing element of member 12 is metallic and is fixed in the collar 18.
  • the delivery tube 14 is also shown to be metallic, and is similarly force fit into hub 22.
  • the member 12 is injected into the skin 34 of the patient until further penetration is prevented by the collar 18.
  • the finger 36 of the operator exerts a continuous but slight force on the bar 26 and in the direction of arrow 38, until the collar 18 abuts the skin surface 34.
  • the operator removes his finger, thereby releasing the collapsible bar 26, but continues to exert force on the syringe 24 in the direction of arrow 40.
  • the collapsible bar 26 folds, as shown in FIG. 2, and the delivery tube 14 is slowly and accurately moved through the tissue of the patient.
  • the fluid housed in the syringe is injected into the patient through the openings 22.
  • An apparatus for associating with a syringe and for safely administering a hypodermic injection to a patient comprising: an elongated hollow delivery tube having a substantially uniform diameter over a major portion of its length and being substantially rigid; a blunt nose at one end of said delivery tube; at least one opening in said delivery tube for delivering the injection to a patient; mounting means at the end of the delivery tube remote from said blunt nose for associating with a syringe; a sharp pointed piercing member slidably mounted on said elongated delivery tube in a substantially frictionless manner; substantially rigid control means for maintaining said piercing member over said blunt nose while said sharp pointed piercing member is inserted into the tissue of a patient and while a force is applied thereto by the operator administering the hypodermic injection; and
  • control means acts between said piercing member and said delivery tube.
  • control means takes the form of a collapsible bar connected at one end to the piercing member and at the other end to the region of the delivery tube remote from said blunt nose.
  • said collapsible bar comprises: a front element; a rear element; and an area of reduced cross section intermediate said front element and said rear element.
  • a method for safely administering a hypodermic injection to a patient comprising the steps of: using an apparatus comprising a substantially rigid hollow blunt nose delivery tube over which a sharp pointed piercing member is slidably mounted in a substantially frictionless manner and further comprising substantially rigid control means for maintaining the piercing over the blunt nose while the piercing member is inserted into the tissue of the patient and while a force is applied thereto by the operator administering the hypodermic injection, and means for disabling the substantially rigid control means upon removal of such force; inserting the sharp pointed piercing member a limited depth into the tissue of the patient; maintaining the piercing member over the blunt nose of the delivery tube during the insertion of the piercing member into the skin and tissue of the patient by applying a force to the substantially rigid control means; freeing the relative association of the piercing member and the delivery tube by removing said force from the substantially rigid control means thereby disabling said control means by way of the action of said means for disabling the control means, thereby allowing

Abstract

A hypodermic needle for safely injecting fluid into nerve and vessel crowded areas of a patient. The needle comprises a pointed hollow piercing member slidably mounted in a substantially frictionless manner about a hollow fluid delivery tube. The delivery tube has a blunt nose and is longitudinally of a constant diameter, has at least one fluid opening near its blunt end, and is adapted to be connected to a conventional syringe at its other end. The hollow piercing member is connected to the delivery tube by a finger-operated collapsible bar. The bar is provided with a centrally located groove to facilitate collapse at the moment the operator removes the force of his finger. The blunt nose delivery tube is then free to penetrate into the tissue of the patient without endangering nerve or vessel.

Description

0 nited States Patent 1 1 1 1 3,840,008 Noiles 1 Oct. 8, 1974 SAFETY-HYPODERMIC NEEDLE v Primary Examiner-Richard A. Gaudet [75,] Inventor gg i New Canaan Assistant Examiner-l C. McGowan Attorney, Agent, or FirmFleit, Gipple & Jacobson [73] Assignee: United States Surgical Corporation,
Baltimore, Md. ABSTRACT [22] Flled' 1&1972 A hypodermic needle for safely injecting fluid into [21] Appl. No.: 245,244 nerve and vessel crowded areas of a patient. The needle comprises a pointed hollow piercing member slidably mounted in a substantially frictionless manner '8" about a hollow fluid delivery tube. The delivery tube [58] Fieid 128/221 4 4 218 N has a blunt nose and is longitudinally of a constant di- 128/2l8 R ameter, has at least one fluid opening near its blunt C end, and is adapted to be connected to a conventional syringe at its other end. The hollow piercing member d to the deliver tube b a tin er-o erated [56] References Cited comiecte y g p collapsible bar. The bar is prov1ded w1th a centrally UNITED STATES PATENTS located groove to facilitate collapse at the moment the Nadeau F perator removes the force of finger The .bl t 21705949 4/l955 sllverma 128/2 B nose delivery tube is then free to penetrate into the i E a? 1 3 3 2 tissue of the patient without endangering nerve or ves- 313471232 10/1967 Ginsburg 128/2144 3,477,423 11/1969 Griffith 128/2 B 3,530,492 1 9 1970 Ferber 128/221 17 Clams 2 Flgures 1 SAFETY HYPODERMIC NEEDLE BACKGROUND OF THE INVENTION The use of hypodermic injections is wide spread and by no means a recent development. But notwithstanding the age of this art, there still exist numerous drawbacks. The common hypodermic needle takes the form of a slender tubular member having a sharp tip for piercing the skin and tissue of the patient. And one very serious drawback of this commonly used needle is that when the needle cuts through the tissue, there is the danger that damage may result by entering blood vessels or puncturing nerves.
One important improvement to the conventional needle has recently been developed. And this improvement is the subject of US. Pat. No. 3,530,492 disclosing an apparatus for administering a hypodermic injection. With such apparatus, the skin of the patient is punctured with a smallsharp pointed piercing member. Then a long blunt end delivery tube frictionally associated with the piercing member, moves through the tissue of the patient when the frictional forces between the piercing member and delivery tube are overcome.
In this recently developed needle, the delivery tube has an outside diameter in the region of the blunt end portion which is slightly larger than the diameter of the remainder of its shank portion. This is necessitated by the requirement that the piercing member frictionally engage the blunt end portion of the delivery tube. In operation, the piercing member is insertedinto the pa tient until a limiting collar abuts the patients skin.
Then, upon the application of additional force, the frictional engagement between the piercing member and delivery tube is released, and the delivery tube is free to slide into the tissue of the patient.
The drawback of this needle is a result of the necessary friction engagement between the piercing member and delivery tube. For at the moment the frictional force between the piercing member and the delivery tube has been overcome, with the operator still applying pressure on the syringe, the delivery tube thrusts forward into the tissue of the patient. The operator has no positive control over the pressure needed for overcoming the frictional engagement, and hence it is possible that an excessive pressure can be applied to the needle. Then, even notwithstanding the blunt end of the delivery tube, there could still result serious damage to tissue, blood vessels, nerves and even 'bone.
Further, another disadvantage with this prior art hypodermic needle is that the necessary shape of the delivery tube requires a mechanically difficult manufacturing technique. The delivery tube of US. Pat. No. 3,530,492 requires the manufacture of an enlarged blunt end integral with a reduced diameter shank portion.
It is toward the elimination of these drawbacks of the prior art that the present invention is directed.
SUMMARY OF THE INVENTION The present invention relates to an apparatus and method for safely injecting fluid into a patient. The skin surface of the patient is punctured with a sharp piercing member, and injection depth is accomplished by the insertion of a blunt end delivery tube having at least one opening in the region of its blunt end. Theoperator has positive control over the inventive hypodermic needle at all times, and can releasethe delivery tube for smooth penetration into the tissue of the patient at will.
The hypodermic injection apparatus of the present invention includes a sharp, preferably metallic, pointed member for piercing the skin of the patient. A collar is mounted on the end of the piercing member, remote from the sharp end, and serves to limit penetration into the patients tissue. An elongated delivery tube defines a coaxial frictionless mount for the piercing member, and serves to deliver fluids to the patient. The delivery tube is of the same diameter over its entire length. and has, at its blunt end, at least one opening at its surface. At its other end, there is provided an integral hub to facilitate mounting on a conventional'syringe.
As the elongated delivery tube of the present inven tion is of a constant diameter over its entire length, manufacturing costs are substantially lower than those involved in manufacturing needles according to the referenced prior art.
In the apparatus of the present invention, the sharp pointed piercing member is connected with the hub of the delivery tube through a preferably plastic fingeroperated collapsible bar. This bar is at one end integrally secured to the collar of the piercing member, and at the other end similarly secured to the hub of the delivery tube. At the center of the bar is a groove to facilitate the collapse of the finger-operated bar when released by the operator.
As the combination of the hub, bar and collar are conveniently molded in one piece plastic, the inventive apparatus can be manufactured easily and at low cost. This permits economical disposal of the unit after one use.
Due to the fact that the sharp pointed piercing memher is slidably mounted about the elongated delivery tube is a substantially frictionless manner the operator maintains full control over the unit. The release of the delivery tube from the piercing member is accomplished at the will of the operator and requires the exertion of no special forces by the operator. Hence, the operator can carefully and accurately perform the injection procedure, thus minimizing the risk of injury to soft tissue, blood vessels, nerves and bone.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross section showing the manner in which the inventive hypodermic needle is inserted into the DETAILED DESCRIPTION OF THE DRAWINGS With reference first to FIGS. 1 and 2, the basic construction of the inventive hypodermic needle will be described. The inventive, needle unit is shown generally at 10, and comprises a sharp pointed piercing member 12 mounted on a hollow elongated delivery tube 14. The front end of the piercing member 12 is provided with a sharp point 16, and the rear end is provided with a limiting collar 18. The piercing member 12 is slidably mounted on the elongated delivery tube 14, in a substantially frictionless manner.
The elongated delivery tube 14 is of a uniform diame ter over its entire length, has a blunt nose 20, and has at least one opening 22 in its surface. At its end remote from the blunt nose 20, the delivery. tube 14 is provided with a firmly mounted hub 22, adapted to associate with a conventional hypodermic syringe 24. And as can best be seen in FIG. 1, the hub 22 is internally threaded so as to mate with the externally threaded nose of the syringe 24.
In FIGS. 1 and 2, it is shown that the collar 18 and the hub 22 are made integral through the means of a collapsible bar 26. At the center of bar 26 is a groove 28 separating the bar into front and rear elements 30 and 32 respectively.
As indicated in the figures, the hub 22, the collapsible bar 26 and the collar 18 of the piercing member are integral and of a plastic material. The piercing element of member 12 is metallic and is fixed in the collar 18. The delivery tube 14 is also shown to be metallic, and is similarly force fit into hub 22.
The operation of the inventive hypodermic needle will now be described. Initially, the member 12 is injected into the skin 34 of the patient until further penetration is prevented by the collar 18. The finger 36 of the operator exerts a continuous but slight force on the bar 26 and in the direction of arrow 38, until the collar 18 abuts the skin surface 34. When collar 18 abuts the skin surface 34, the operator removes his finger, thereby releasing the collapsible bar 26, but continues to exert force on the syringe 24 in the direction of arrow 40. Then the collapsible bar 26 folds, as shown in FIG. 2, and the delivery tube 14 is slowly and accurately moved through the tissue of the patient. Finally, the fluid housed in the syringe is injected into the patient through the openings 22.
As is shown in the figures, there are a plurality of openings 22 provided along the length of hollow delivery tube 14. In this manner, a relatively uniform dispersion of fluid can be ensured. Also, the figures illustrate an integral molded plastic unit comprising hub 22, bar
26 and collar 18. It should be understood, however,
that such specific descriptions are provided for illustrative purposes only. It is the intention that the invention be interpreted in its broadest sense, as relating to an apparatus and a method for safely administering an injection with positive control by the operator and hence without danger to the integrity of vessels, nerves and bone, and be limited only as defined in the appended claims.
What is claimed is:
1. An apparatus for associating with a syringe and for safely administering a hypodermic injection to a patient, the apparatus comprising: an elongated hollow delivery tube having a substantially uniform diameter over a major portion of its length and being substantially rigid; a blunt nose at one end of said delivery tube; at least one opening in said delivery tube for delivering the injection to a patient; mounting means at the end of the delivery tube remote from said blunt nose for associating with a syringe; a sharp pointed piercing member slidably mounted on said elongated delivery tube in a substantially frictionless manner; substantially rigid control means for maintaining said piercing member over said blunt nose while said sharp pointed piercing member is inserted into the tissue of a patient and while a force is applied thereto by the operator administering the hypodermic injection; and
piercing member to slide along the length of said delivery tube in the direction of said mounting means after said sharp pointed piercing member has been inserted in said tissue.
2. The apparatus recited in claim 1, and further comprising: limiting means for controlling the depth of penetration of said piercing member into the tissue of the patient.
3. The apparatus recited in claim 2, wherein said limiting means takes the form of a collar fixedly associat ing with said piercing member at a predetermined spacing from the point thereof.
4. The apparatus recited in claim 3, wherein said piercing member is metallic, wherein said collar is plastic, and wherein said piercing member is fixed in said collar.
5. The apparatus recited in claim 1, wherein said control means acts between said piercing member and said delivery tube.
6. The apparatus recited in claim 5, wherein said control means takes the form of a collapsible bar connected at one end to the piercing member and at the other end to the region of the delivery tube remote from said blunt nose.
7. The apparatus recited in claim 6, wherein the end of said collapsible bar remote from the blunt nose of the delivery tube is connected to said mounting means.
8. The apparatus recited in claim 6, wherein said collapsible bar comprises: a front element; a rear element; and an area of reduced cross section intermediate said front element and said rear element.
9. The apparatus recited in claim 8, and further comprising: collar means fixedly associating with said piercing member for limiting the penetration thereof into the tissue of the patient; wherein said front element is connected to said mounting means.
10. The apparatus recited in claim 9, wherein said collar means, said collapsible bar and said mounting means are integral and of a plastic material.
11. The apparatus recited in claim 10, wherein said integral combination of elements are of molded plastic.
12. The apparatus recited in claim 6, wherein said collapsible bar is controlled by the finger of the operator administering thehypodermic injection.
13. A method for safely administering a hypodermic injection to a patient comprising the steps of: using an apparatus comprising a substantially rigid hollow blunt nose delivery tube over which a sharp pointed piercing member is slidably mounted in a substantially frictionless manner and further comprising substantially rigid control means for maintaining the piercing over the blunt nose while the piercing member is inserted into the tissue of the patient and while a force is applied thereto by the operator administering the hypodermic injection, and means for disabling the substantially rigid control means upon removal of such force; inserting the sharp pointed piercing member a limited depth into the tissue of the patient; maintaining the piercing member over the blunt nose of the delivery tube during the insertion of the piercing member into the skin and tissue of the patient by applying a force to the substantially rigid control means; freeing the relative association of the piercing member and the delivery tube by removing said force from the substantially rigid control means thereby disabling said control means by way of the action of said means for disabling the control means, thereby allowing the piercing member to slide along the delivery tube in a direction away from the blunt nose; and delivering the injection into the patient through at least one aperture in the delivery tube.
14. The method recited in claim 13 wherein the depth of penetration of the piercing member into the tissue of the patient is limited by means of a collar fixedly associated with the piercing member at a predetermined spacing from the point thereof.
15. The method recited in claim 14, wherein the piercing member is maintained over the blunt nose through the means of a collapsible bar connected at one end to the piercing member and at the other end

Claims (17)

1. An apparatus for associating with a syringe and for safely administering a hypodermic injection to a patient, the apparatus comprising: an elongated hollow delivery tube having a substantially uniform diameter over a major portion of its length and being substantially rigid; a blunt nose at one end of said delivery tube; at least one opening in said delivery tube for delivering the injection to a patient; mounting means at the end of the delivery tube remote from said blunt nose for associating with a syringe; a sharp pointed piercing member slidably mounted on said elongated delivery tube in a substantially frictionless manner; substantially rigid control means for maintaining said piercing member over said blunt nose while said sharp pointed piercing member is inserted into the tissue of a patient and while a force is applied thereto by the operator administering the hypodermic injection; and means for disabling said substantially rigid control means upon removal of said force for allowing said piercing member to slide along the length of said delivery tube in the direction of said mounting means after said sharp pointed piercing member has been inserted in said tissue.
2. The apparatus recited in claim 1, and further comprising: limiting means for controlling the depth of penetration of said piercing member into the tissue of the patient.
3. The apparatus recited in claim 2, wherein said limiting means takes the form of a collar fixedly associating with said piercing member at a predetermined spacing from the point thereof.
4. The aPparatus recited in claim 3, wherein said piercing member is metallic, wherein said collar is plastic, and wherein said piercing member is fixed in said collar.
5. The apparatus recited in claim 1, wherein said control means acts between said piercing member and said delivery tube.
6. The apparatus recited in claim 5, wherein said control means takes the form of a collapsible bar connected at one end to the piercing member and at the other end to the region of the delivery tube remote from said blunt nose.
7. The apparatus recited in claim 6, wherein the end of said collapsible bar remote from the blunt nose of the delivery tube is connected to said mounting means.
8. The apparatus recited in claim 6, wherein said collapsible bar comprises: a front element; a rear element; and an area of reduced cross section intermediate said front element and said rear element.
9. The apparatus recited in claim 8, and further comprising: collar means fixedly associating with said piercing member for limiting the penetration thereof into the tissue of the patient; wherein said front element is connected to said mounting means.
10. The apparatus recited in claim 9, wherein said collar means, said collapsible bar and said mounting means are integral and of a plastic material.
11. The apparatus recited in claim 10, wherein said integral combination of elements are of molded plastic.
12. The apparatus recited in claim 6, wherein said collapsible bar is controlled by the finger of the operator administering the hypodermic injection.
13. A method for safely administering a hypodermic injection to a patient comprising the steps of: using an apparatus comprising a substantially rigid hollow blunt nose delivery tube over which a sharp pointed piercing member is slidably mounted in a substantially frictionless manner and further comprising substantially rigid control means for maintaining the piercing over the blunt nose while the piercing member is inserted into the tissue of the patient and while a force is applied thereto by the operator administering the hypodermic injection, and means for disabling the substantially rigid control means upon removal of such force; inserting the sharp pointed piercing member a limited depth into the tissue of the patient; maintaining the piercing member over the blunt nose of the delivery tube during the insertion of the piercing member into the skin and tissue of the patient by applying a force to the substantially rigid control means; freeing the relative association of the piercing member and the delivery tube by removing said force from the substantially rigid control means thereby disabling said control means by way of the action of said means for disabling the control means, thereby allowing the piercing member to slide along the delivery tube in a direction away from the blunt nose; and delivering the injection into the patient through at least one aperture in the delivery tube.
14. The method recited in claim 13 wherein the depth of penetration of the piercing member into the tissue of the patient is limited by means of a collar fixedly associated with the piercing member at a predetermined spacing from the point thereof.
15. The method recited in claim 14, wherein the piercing member is maintained over the blunt nose through the means of a collapsible bar connected at one end to the piercing member and at the other end to the region of the delivery tube remote from the blunt nose.
16. The method recited in claim 15, wherein the collapsible bar comprises a front element, a rear element, and an area of reduced cross section intermediate the front element and the rear element.
17. The method recited in claim 15, wherein the position of the collapsible bar and hence the spacing between the piercing member and the blunt nose of the delivery tube is controlled by the finger of the operator administering the hypodermic injection.
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US4291694A (en) * 1979-10-29 1981-09-29 Chai S Apparatus and method for performing a thoracic operation
US4432758A (en) * 1982-08-30 1984-02-21 Finegold Aaron N Urethral anesthetic devices
US4453928A (en) * 1982-05-10 1984-06-12 The Cleveland Clinic Foundation Catheter tunneling apparatus
US4577514A (en) * 1984-04-09 1986-03-25 Vanderbilt University Method and apparatus for sampling liquid phase components from a liquid-semisolid fluid
US4627841A (en) * 1986-02-18 1986-12-09 Dorr Robert T Infusion needle
US4692153A (en) * 1986-04-03 1987-09-08 Berlin Richard B Surgical wound drain device
US4699612A (en) * 1985-04-01 1987-10-13 Hamacher Edward N Infusion needle
US4713057A (en) * 1984-02-27 1987-12-15 Medical College Of Ohio Mechanical assist device for inserting catheters
US4735618A (en) * 1987-07-20 1988-04-05 Henry E. Szachowicz, Jr. Protective enclosure for hypodermic syringe
GB2202446A (en) * 1987-02-27 1988-09-28 Dr Ian Duncan Conacher Needle guard
US4804371A (en) * 1987-05-06 1989-02-14 Vaillancourt Vincent L Post-injection needle sheath
WO1989007955A1 (en) * 1988-02-23 1989-09-08 Habley Medical Technology Corporation Collapsible needle cover
US4869717A (en) * 1988-04-25 1989-09-26 Adair Edwin Lloyd Gas insufflation needle with instrument port
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US5205828A (en) * 1991-10-24 1993-04-27 Dan Kedem Epidural needle location indicator assembly
US5284474A (en) * 1990-12-11 1994-02-08 Adair Edwin Lloyd Trochar system for laparoscopy
US5300046A (en) * 1992-03-30 1994-04-05 Symbiosis Corporation Thoracentesis sheath catheter assembly
EP0608659A1 (en) * 1993-01-28 1994-08-03 Du Kedem Technologies Ltd. Epidural needle location indicator assembly
US5348544A (en) * 1993-11-24 1994-09-20 Becton, Dickinson And Company Single-handedly actuatable safety shield for needles
US5355871A (en) * 1992-09-11 1994-10-18 Dexide, Inc. Elastomeric controller for endoscopic surgical instruments
US5383886A (en) * 1992-10-13 1995-01-24 Kensey Nash Corporation Methods and instruments for performing medical procedures percutaneously without a trocar
US5735827A (en) * 1996-09-26 1998-04-07 Becton, Dickinson And Company Needle assembly having locking enclosure
US5738665A (en) * 1996-09-26 1998-04-14 Becton, Dickinson And Company Shield and actuator for needles
US5743883A (en) * 1995-06-07 1998-04-28 Visconti; Peter L. Thoracentesis catheter instruments having self-sealing valves
US5843038A (en) * 1995-10-31 1998-12-01 University Of Southern California Finder-thinwall needle combination for safely inserting a catheter into a central vein
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US6217556B1 (en) 1998-03-19 2001-04-17 Allegiance Corporation Drainage catheter
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US20020091359A1 (en) * 2000-12-12 2002-07-11 Luca Caleffi Site for access to the inside of a channel, and corresponding cannula
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US20100016884A1 (en) * 2006-03-13 2010-01-21 Mini-Lap Techonologies, Inc. Minimally Invasive Surgical Assembly and Methods
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USRE43473E1 (en) 2001-11-13 2012-06-12 Becton, Dickinson And Company Needle safety device
US20120316513A1 (en) * 2011-06-09 2012-12-13 Knee Creations, Llc. Instruments and devices for subchondral joint repair
EP2609952A1 (en) * 2011-12-30 2013-07-03 Q-Med AB Bruiseless cannula
US8496627B2 (en) 2006-03-21 2013-07-30 Covidien Lp Passive latch ring safety shield for injection devices
US8617118B1 (en) 2008-11-04 2013-12-31 Lloyd A. Marks Safety needle and method of making same
FR3009199A1 (en) * 2013-07-31 2015-02-06 Soft Medical Aesthetics METHOD FOR INJECTING A PRODUCT IN THE CONTEXT OF A BEAUTY INTERVENTION
WO2015015344A3 (en) * 2013-08-02 2015-04-23 Gunasekar Vuppalapati Improved device for dispersing or collecting fluids
WO2015114364A1 (en) * 2014-01-31 2015-08-06 United Arab Emirates University Systems and methods for using a microcannula introducer for skin & soft tissue augmentation
US9326757B2 (en) 2009-12-31 2016-05-03 Teleflex Medical Incorporated Surgical instruments for laparoscopic aspiration and retraction
WO2016185145A1 (en) * 2015-05-19 2016-11-24 Peter Cumbo Injectable material injection device comprising a cannula that slides inside a needle, and system using such a device
US9861784B2 (en) 2013-12-03 2018-01-09 Becton, Dickinson And Company Blood collection device with double pivot shields
EP3338545A4 (en) * 2015-08-18 2019-01-09 Ceva Saúde Animal Ltda. Improvement to needle for innoculating nutrients into the inner environment of fertile eggs
US10524710B2 (en) 2012-11-15 2020-01-07 Becton, Dickinson And Company Passive double drive member activated safety blood collection device
WO2021222223A1 (en) * 2020-04-27 2021-11-04 Arya Medical, Inc. Combined needle and cannula
US11234729B2 (en) * 2017-04-28 2022-02-01 Aurastem Llc Micro-lipo needle devices and use thereof
US11291759B2 (en) 2015-08-20 2022-04-05 Aurastem Llc Liposuction device and use thereof

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US4139009A (en) * 1976-11-23 1979-02-13 Marcial Alvarez Hypodermic needle assembly with retractable needle cover
FR2466994A1 (en) * 1979-10-11 1981-04-17 Emerit Andre Medical needle directs liq. radially into or from flesh - partic. for intramuscular anaesthetic injection or draining venom from snake bite
US4291694A (en) * 1979-10-29 1981-09-29 Chai S Apparatus and method for performing a thoracic operation
US4453928A (en) * 1982-05-10 1984-06-12 The Cleveland Clinic Foundation Catheter tunneling apparatus
US4432758A (en) * 1982-08-30 1984-02-21 Finegold Aaron N Urethral anesthetic devices
US4936834A (en) * 1983-06-11 1990-06-26 Walter Beck Apparatus for aspirating secreted fluids from a wound
US4713057A (en) * 1984-02-27 1987-12-15 Medical College Of Ohio Mechanical assist device for inserting catheters
US4577514A (en) * 1984-04-09 1986-03-25 Vanderbilt University Method and apparatus for sampling liquid phase components from a liquid-semisolid fluid
US4790830A (en) * 1985-04-01 1988-12-13 Hamacher Edward N Infusion needle
US4699612A (en) * 1985-04-01 1987-10-13 Hamacher Edward N Infusion needle
US4627841A (en) * 1986-02-18 1986-12-09 Dorr Robert T Infusion needle
US4692153A (en) * 1986-04-03 1987-09-08 Berlin Richard B Surgical wound drain device
GB2202446A (en) * 1987-02-27 1988-09-28 Dr Ian Duncan Conacher Needle guard
US4804371A (en) * 1987-05-06 1989-02-14 Vaillancourt Vincent L Post-injection needle sheath
US4735618A (en) * 1987-07-20 1988-04-05 Henry E. Szachowicz, Jr. Protective enclosure for hypodermic syringe
AU616711B2 (en) * 1987-12-21 1991-11-07 Stuart M. Dolgin Fluid passing apparatus with means for covering the same
WO1989007955A1 (en) * 1988-02-23 1989-09-08 Habley Medical Technology Corporation Collapsible needle cover
US4898589A (en) * 1988-03-09 1990-02-06 Stuart M. Dolgin Fluid passing apparatus with means for covering the same
US4869717A (en) * 1988-04-25 1989-09-26 Adair Edwin Lloyd Gas insufflation needle with instrument port
EP0405883A2 (en) * 1989-06-27 1991-01-02 Rocket of London Limited A Pneumoperitoneal needle
EP0405883A3 (en) * 1989-06-27 1991-04-03 Rocket Of London Limited A pneumoperitoneal needle
US5098389A (en) * 1990-06-28 1992-03-24 Becton, Dickinson And Company Hypodermic needle assembly
US5284474A (en) * 1990-12-11 1994-02-08 Adair Edwin Lloyd Trochar system for laparoscopy
US5137509A (en) * 1991-04-17 1992-08-11 Dexide, Inc. Surgical insufflation instrument
WO1993000943A1 (en) * 1991-07-11 1993-01-21 City Of Hope Sleeved extension and anchoring system for percutaneous catheters
US5205828A (en) * 1991-10-24 1993-04-27 Dan Kedem Epidural needle location indicator assembly
US5300046A (en) * 1992-03-30 1994-04-05 Symbiosis Corporation Thoracentesis sheath catheter assembly
US5355871A (en) * 1992-09-11 1994-10-18 Dexide, Inc. Elastomeric controller for endoscopic surgical instruments
US5383886A (en) * 1992-10-13 1995-01-24 Kensey Nash Corporation Methods and instruments for performing medical procedures percutaneously without a trocar
EP0608659A1 (en) * 1993-01-28 1994-08-03 Du Kedem Technologies Ltd. Epidural needle location indicator assembly
US5348544A (en) * 1993-11-24 1994-09-20 Becton, Dickinson And Company Single-handedly actuatable safety shield for needles
US5743883A (en) * 1995-06-07 1998-04-28 Visconti; Peter L. Thoracentesis catheter instruments having self-sealing valves
US5843038A (en) * 1995-10-31 1998-12-01 University Of Southern California Finder-thinwall needle combination for safely inserting a catheter into a central vein
US5738665A (en) * 1996-09-26 1998-04-14 Becton, Dickinson And Company Shield and actuator for needles
US5910130A (en) * 1996-09-26 1999-06-08 Becton, Dickinson And Company Shield and actuator for needles
US5735827A (en) * 1996-09-26 1998-04-07 Becton, Dickinson And Company Needle assembly having locking enclosure
US6217556B1 (en) 1998-03-19 2001-04-17 Allegiance Corporation Drainage catheter
US6890319B1 (en) 1998-08-13 2005-05-10 Imprint Pharmaceuticals Ltd. Apparatus for delivering a substance having one or more needles driven at high velocity
US6733465B1 (en) 1998-11-25 2004-05-11 Bio-Plexus, Inc. Holder for blood collection needle with blunting mechanism
US6146337A (en) * 1998-11-25 2000-11-14 Bio-Plexus, Inc. Holder for blood collection needle with blunting mechanism
US20040254499A1 (en) * 1998-11-25 2004-12-16 Smutney Chad C. Holder for blood collection needle with blunting mechanism
US8226617B2 (en) 1999-11-04 2012-07-24 Tyco Healthcare Group Lp Safety shield apparatus and mounting structure for use with medical needle devices
US8172809B2 (en) 1999-11-04 2012-05-08 Tyco Healthcare Group Lp Safety shield apparatus and mounting structure for use with medical needle devices
US6796968B2 (en) 1999-11-04 2004-09-28 Tyco Healthcare Group Lp Reaccessible medical needle safety devices and methods
US7862547B2 (en) 1999-11-04 2011-01-04 Tyco Healthcare Group Lp Safety shield for medical needles
US7029461B2 (en) 1999-11-04 2006-04-18 Tyco Healthcare Group Lp Safety shield for medical needles
US6949086B2 (en) 1999-11-04 2005-09-27 Tyco Healthcare Group Lp Seldinger safety shield for medical needles
US7198618B2 (en) 1999-11-04 2007-04-03 Tyco Healthcare Group Lp Safety shield for medical needles
US7320682B2 (en) 1999-11-18 2008-01-22 Tyco Healthcare Group Lp Safety device
US6592556B1 (en) 2000-07-19 2003-07-15 Tyco Healthcare Group Lp Medical needle safety apparatus and methods
US20050038399A1 (en) * 2000-10-20 2005-02-17 Hitoshi Suzuki Needlepoint-covering member
US20020065488A1 (en) * 2000-10-20 2002-05-30 Hitoshi Suzuki Needlepoint-covering member, method of assembling an injection needle with a needlepoint-covering member, and injection syringe with a needlepoint-covering member
US7438703B2 (en) 2000-12-08 2008-10-21 Tyco Healthcare Group Lp Safety shield for medical needles
US6936031B2 (en) 2000-12-12 2005-08-30 Gambro Dasco S.P.A. Site for access to the inside of a channel, and corresponding cannula
US20020091359A1 (en) * 2000-12-12 2002-07-11 Luca Caleffi Site for access to the inside of a channel, and corresponding cannula
US7361159B2 (en) 2001-03-02 2008-04-22 Covidien Ag Passive safety shield
US7144389B2 (en) 2001-03-14 2006-12-05 Tyco Healthcare Group, Lp Safety shield for medical needles
US6905489B2 (en) 2001-04-24 2005-06-14 Northgate Technologies, Inc. Laparoscopic insertion device
USRE43473E1 (en) 2001-11-13 2012-06-12 Becton, Dickinson And Company Needle safety device
US7001363B2 (en) 2002-04-05 2006-02-21 F. Mark Ferguson Safety shield for medical needles
WO2004010073A1 (en) * 2002-07-23 2004-01-29 Richard Ian Brydges-Price Tranquilliser dart
US7300423B2 (en) 2003-02-14 2007-11-27 Tyco Healthcare Group Lp Safety device with trigger mechanism
US7553296B2 (en) 2003-02-14 2009-06-30 Tyco Healthcare Group Lp Safety device with trigger mechanism
WO2005044116A2 (en) 2003-11-07 2005-05-19 Novo Nordisk A/S Cutting device for blunt needle
US20050137528A1 (en) * 2003-12-17 2005-06-23 Becton Dickinson And Company Passive activated safety blood collection set
US7150725B2 (en) 2003-12-17 2006-12-19 Becton Dickinson And Company Passive activated safety blood collection set
US20060047253A1 (en) * 2004-08-24 2006-03-02 Hayman Michael H Needle assembly
US20070179450A1 (en) * 2006-01-31 2007-08-02 Earigate Inc. Irrigation device
US20100016884A1 (en) * 2006-03-13 2010-01-21 Mini-Lap Techonologies, Inc. Minimally Invasive Surgical Assembly and Methods
US9326784B2 (en) 2006-03-13 2016-05-03 Teleflex Medical Incorporated Minimally invasive surgical assembly and methods
US8496627B2 (en) 2006-03-21 2013-07-30 Covidien Lp Passive latch ring safety shield for injection devices
US20100298739A1 (en) * 2007-04-26 2010-11-25 Tyco Healthcare Group Lp Multifunctional Medical Access Device
US8043268B1 (en) 2008-07-22 2011-10-25 Marks Lloyd A Safety needle and method of using same
US8617118B1 (en) 2008-11-04 2013-12-31 Lloyd A. Marks Safety needle and method of making same
US9326757B2 (en) 2009-12-31 2016-05-03 Teleflex Medical Incorporated Surgical instruments for laparoscopic aspiration and retraction
US10064671B2 (en) * 2011-06-09 2018-09-04 Zimmer Knee Creations, Inc. Instruments and devices for subchondral joint repair
US20120316513A1 (en) * 2011-06-09 2012-12-13 Knee Creations, Llc. Instruments and devices for subchondral joint repair
CN104010679A (en) * 2011-12-30 2014-08-27 奇敏得公司 bruiseless cannula
WO2013098166A1 (en) * 2011-12-30 2013-07-04 Q-Med Ab Bruiseless cannula
US10166346B2 (en) * 2011-12-30 2019-01-01 Q-Med Ab Bruiseless cannula
EP2609952A1 (en) * 2011-12-30 2013-07-03 Q-Med AB Bruiseless cannula
JP2015503375A (en) * 2011-12-30 2015-02-02 キュー−メド アクティエボラーグ Non-scarring cannula
AU2012361066B2 (en) * 2011-12-30 2015-04-30 Q-Med Ab Bruiseless cannula
CN104010679B (en) * 2011-12-30 2016-06-15 奇敏得公司 Without bruise intubate
US20150018798A1 (en) * 2011-12-30 2015-01-15 Q-Med Ab Bruiseless cannula
US11564604B2 (en) 2012-11-15 2023-01-31 Becton, Dickinson And Company Passive double drive member activated safety blood collection device
US10524710B2 (en) 2012-11-15 2020-01-07 Becton, Dickinson And Company Passive double drive member activated safety blood collection device
WO2015015127A3 (en) * 2013-07-31 2015-04-09 Soft Medical Aesthetics Kit for injecting a product as part of an aesthetic intervention
FR3009199A1 (en) * 2013-07-31 2015-02-06 Soft Medical Aesthetics METHOD FOR INJECTING A PRODUCT IN THE CONTEXT OF A BEAUTY INTERVENTION
WO2015015344A3 (en) * 2013-08-02 2015-04-23 Gunasekar Vuppalapati Improved device for dispersing or collecting fluids
US9861784B2 (en) 2013-12-03 2018-01-09 Becton, Dickinson And Company Blood collection device with double pivot shields
US20150217089A1 (en) * 2014-01-31 2015-08-06 Gary Chuang Systems and methods for using a microcannula introducer for skin & soft tissue augmentation
US10322264B2 (en) * 2014-01-31 2019-06-18 United Arab Emirates University Systems and methods for using a microcannula introducer for skin and soft tissue augmentation
WO2015114364A1 (en) * 2014-01-31 2015-08-06 United Arab Emirates University Systems and methods for using a microcannula introducer for skin & soft tissue augmentation
WO2016185145A1 (en) * 2015-05-19 2016-11-24 Peter Cumbo Injectable material injection device comprising a cannula that slides inside a needle, and system using such a device
FR3036289A1 (en) * 2015-05-19 2016-11-25 Peter Cumbo INJECTABLE PRODUCT INJECTION DEVICE HAVING SLIDING CANNULA IN A NEEDLE AND SYSTEM USING SUCH A DEVICE
EP3338545A4 (en) * 2015-08-18 2019-01-09 Ceva Saúde Animal Ltda. Improvement to needle for innoculating nutrients into the inner environment of fertile eggs
US11291759B2 (en) 2015-08-20 2022-04-05 Aurastem Llc Liposuction device and use thereof
US11234729B2 (en) * 2017-04-28 2022-02-01 Aurastem Llc Micro-lipo needle devices and use thereof
WO2021222223A1 (en) * 2020-04-27 2021-11-04 Arya Medical, Inc. Combined needle and cannula

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