DE60115022C5 - Passive nadelabschirmung für spritzen - Google Patents

Passive nadelabschirmung für spritzen Download PDF

Info

Publication number
DE60115022C5
DE60115022C5 DE60115022T DE60115022T DE60115022C5 DE 60115022 C5 DE60115022 C5 DE 60115022C5 DE 60115022 T DE60115022 T DE 60115022T DE 60115022 T DE60115022 T DE 60115022T DE 60115022 C5 DE60115022 C5 DE 60115022C5
Authority
DE
Germany
Prior art keywords
shield
needle guard
passive needle
proximal end
latch member
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60115022T
Other languages
English (en)
Other versions
DE60115022D1 (de
DE60115022T2 (de
Inventor
Mark Doyle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safety Syringes Inc
Original Assignee
Safety Syringes Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27074116&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60115022(C5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/566,224 external-priority patent/US6623459B1/en
Application filed by Safety Syringes Inc filed Critical Safety Syringes Inc
Publication of DE60115022D1 publication Critical patent/DE60115022D1/de
Publication of DE60115022T2 publication Critical patent/DE60115022T2/de
Application granted granted Critical
Publication of DE60115022C5 publication Critical patent/DE60115022C5/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • A61M2005/3139—Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/326—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user
    • A61M2005/3261—Fully automatic sleeve extension, i.e. in which triggering of the sleeve does not require a deliberate action by the user triggered by radial deflection of the anchoring parts between sleeve and syringe barrel, e.g. spreading of sleeve retaining hooks having slanted surfaces by engagement with conically shaped collet of the piston rod during the last portion of the injection stroke of the plunger
    • A61M2005/3264—Trigger provided at the proximal end, i.e. syringe end opposite to needle mounting end
    • 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
    • A61M2205/59—Aesthetic features, e.g. distraction means to prevent fears of child patients
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3137—Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • 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
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position

Landscapes

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

Abstract

A passive needle guard (10, 110, 410, 510) for a medicine syringe which includes a plunger slidably received in its proximal end to inject medicine by depressing the plunger (98), the passive needle guard comprising: an elongate body (20, 120, 420, 520) having open proximal (22, 122, 422, 522) and distal ends (24, 124, 424, 524) and a cavity (26, 126, 426, 526) for receiving the medicine syringe therein accessible through the open proximal end; the body having a locking mechanism (58, 158, 458) on the proximal end of the body for substantially securing the medicine syringe received in the cavity, a shield (60, 160, 460, 560) having open proximal (62, 162, 462, 562) and distal ends (63, 163, 463, 563), the shield slidably attached to the outside of the body, the body being biased to retract with respect to the shield from a first position wherein the distal end of the body is adjacent the distal end of the shield towards a second position for withdrawing the distal end of the body proximally away from the distal end of the shield; cooperating catches on the body (48, 148, 248, 348, 448, 548) and the shield (76, 176, 276, 376, 476, 576) for holding the body and shield in the first position; and a latch member (74, 174, 474, 574) extending proximally from the proximal end of one of the shield and the body, the latch member being deflectable for disengaging the cooperating catches, whereby the body may be biased to retract to the second position, the latch member being adapted to be engaged directly by a radial portion of the plunger (98) when the plunger (98) is depressed distally into the medicine syringe to disengage the cooperating catches.

Description

  • Betreffend das europäische Patent 1 284 769 ( DE 601 15 022 )
    hat der 4. Senat (Nichtigkeitssenat) des Bundespatentgerichts im schriftlichen Verfahren, in dem Schriftsätze eingereicht werden konnten bis zum 15. Februar 2013, für Recht erkannt:
    • I. Das europäische Patent 1 284 769 wird mit Wirkung für das Gebiet der Bundesrepublik Deutschland insoweit für nichtig erklärt, als es über folgende Patentansprüche hinausgeht:

Claims (24)

  1. A passive needle guard (10, 110, 410, 510) for a medicine syringe which includes a plunger slidably received in its proximal end to inject medicine by depressing the plunger (98), the passive needle guard comprising: an elongate body (20, 120, 420, 520) having open proximal (22, 122, 422, 522) and distal ends (24, 124, 424, 524) and a cavity (26, 126, 426, 526) for receiving the medicine syringe therein accessible through the open proximal end; the body having a locking mechanism (58, 158, 458) on the proximal end of the body for substantially securing the medicine syringe received in the cavity, a shield (60, 160, 460, 560) having open proximal (62, 162, 462, 562) and distal ends (63, 163, 463, 563), the shield slidably attached to the outside of the body, the body being biased to retract with respect to the shield from a first position wherein the distal end of the body is adjacent the distal end of the shield towards a second position for withdrawing the distal end of the body proximally away from the distal end of the shield; cooperating catches on the body (48, 148, 248, 348, 448, 548) and the shield (76, 176, 276, 376, 476, 576) for holding the body and shield in the first position; and a latch member (74, 174, 474, 574) extending proximally from the proximal end of one of the shield and the body, the latch member being deflectable for disengaging the cooperating catches, whereby the body may be biased to retract to the second position, the latch member being adapted to be engaged directly by a radial portion of the plunger (98) when the plunger (98) is depressed distally into the medicine syringe to disengage the cooperating catches.
  2. The passive needle guard of claim 1, wherein the locking mechanism comprises a plurality of locking detents (58, 158, 458) on a finger grip (50, 150, 450) on the proximal end of the body.
  3. A passive needle guard and a medicine cartridge (90) as a medicine syringe, preferably a pre-filled syringe, a) the passive needle guard comprising: an elongate body (20, 120, 420, 520) having open proximal (22, 122, 422, 522) and distal ends (24, 124, 424, 524) and a cavity (26, 126, 426, 526) for receiving the medicine syringe therein accessible through the open proximal end; the body having a locking mechanism (58, 158, 458) on the proximal end of the body for substantially securing a medicine cartridge received in the cavity, a shield (60, 160, 460, 560) having open proximal (62, 162, 462, 562) and distal ends (63, 163, 463, 563), the shield slidably attached to the outside of the body, the body being biased to retract with respect to the shield from a first position wherein the distal end of the body is adjacent the distal end of the shield towards a second position for withdrawing the distal end of the body proximally away from the distal end of the shield; cooperating catches on the body (48, 148, 248, 348, 448, 548) and the shield (76, 176, 276, 376, 476, 576) for holding the body and shield in the first position; and a latch member (74, 174, 474, 574) extending proximally from the proximal end of one of the shield and the body, the latch member being deflectable for disengaging the cooperating catches, whereby the body may be biased to retract to the second position, b) the medicine cartridge being received in the cavity of the body through the open proximal end such that a distal tip (94, 95) of the cartridge extends beyond the distal end of the shield in the first position, and the distal tip is withdrawn into the shield in the second position, the medicine cartridge including a plunger (98, 198, 298) slidably received in its proximal end (93), the plunger including a radial portion (9, 197, 297) for directly enganging the latch member when the plunger is depressed distally into the medicine cartridge to disengage the cooperating catches.
  4. The passive needle guard of claim 3, wherein the radial portion (197, 297) is provided on an intermediate region of the plunger.
  5. The passive needle guard of claim 3, wherein the radial portion comprises a thumb pad (99) on a proximal end of the plunger.
  6. The passive needle guard of claim 3, wherein the latch member extends from the proximal end of the shield a predetermined distance and the radial portion is provided on a predetermined location of the plunger, such that the cooperating catches are disengaged before complete depression of the plunger.
  7. The passive needle guard of claim 3, wherein the radial portion comprises a tapered distal edge (297a), whereby, upon depression of the plunger, the tapered distal edge of the radial portion engages the latch member to deflect the latch member radially outwardly to disengage the cooperating catches.
  8. The passive needle guard of claim 3, wherein the distal tip of the cartridge comprises a needle (95).
  9. The passive needle guard of any preceding claim, further comprising one or more finger gdps (450, 550) extending from the shield.
  10. The passive needle guard of any preceding claim wherein the body and shield comprises cooperating detents (42, 71, 142, 171, 442, 471) for substantially permanently locking the body in the second positon.
  11. The passive needle guard of claim 10, wherein the cooperating detents comprise a detent (71, 171, 471) on the shield and a dentent pocket (42, 142, 442) on the body, the detent and detent pocket having substantially blunt proximal edges for preventing proximal movement of the shield from the second position.
  12. The passive needle guard of any preceding claim, further comprising a spring mechanism (80, 180, 282, 382) coupled to the body and the shield for biasing the shield towards the second position.
  13. The passive needle guard of claim 12, wherein the spring mechanism comprises a compression spring (82, 182, 282, 382) disposed between the body and the shield.
  14. The passive needle guard of claim 12, wherein the spring mechanism comprises a spring (182) concentrically disposed within the shield.
  15. The passive needle guard of any preceding claim, wherein the cooperating catches comprise a first catch (76, 176, 276, 376, 476, 576) on the latch member and a second catch (48, 148, 248, 348, 448, 548) on the body, the latch member being resiliently deflectable radially for disengaging the first catch from the second catch.
  16. The passive needle guard of claim 15, wherein the latch member comprises an elongate finger extending proximally from the shield and having a proximal tip that is engageable by the plunger to compress and deflect the latch member radially outwardly.
  17. The passive needle guard of any preceding claim, further comprising a finger grip (150) on the proximal end of the body, the finger grip including a pair of axial flanges (159) extending distally therefrom, the axial flanges being spaced away from the body to accommodate the shield sliding therebetween.
  18. A method for assembling a passive needle guard (10, 110, 410, 510) according to claim 1, comprising: providing a body (20, 120, 420, 520) having a cavity (26, 126, 426, 526) therein for receiving a medicine cartridge (90); directing a proximal end (62, 162, 462, 562) of a tubular shield (60, 160, 460, 560) over a distal end (24, 124, 424, 524) of the body; directing the shield towards a proximal end (22, 122, 422, 522) of the body from an extended position wherein a distal end (63, 163, 463, 563) of the shield extends beyond the distal end of the body towards a retracted position wherein the distal end of the shield is substantially coextensive with the distal end of the body; coupling a spring (82, 182, 282) between the body and the shield, the spring biasing the shield to advance towards the extended position; deflecting a latch member (74, 174, 474, 574) on one of the body and shield to prevent contact between mating catches on the body (48, 148, 248, 348, 448, 548) and shield (76, 176, 276, 376, 476, 576) as the shield is directed to the retacted position; and releasing the latch member once the shield has attained the retracted position to engage the mating catches and substantially secure the shield in the retracted position.
  19. The method of claim 18, further comprising inserting a medicine cartridge (90) into the cavity in the body.
  20. The method of claim 19, wherein the medicine cartridge is inserted axially into the proximal end of the body.
  21. The method of claim 20, wherein a locking mechanism (58, 158, 458) on the proximal end of the body engages the medicine cartridge when it is fully inserted into the cavity to substantially permanently encapsulate the medicine cartridge therein.
  22. The method of claim 20, wherein the latch member is deflected radially outwardly as the medicine cartridge is inserted into the body while retaining the shield in the retracted position.
  23. nichtig
  24. nichtig
DE60115022T 2000-05-05 2001-05-01 Passive nadelabschirmung für spritzen Expired - Lifetime DE60115022C5 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US566224 2000-05-05
US09/566,224 US6623459B1 (en) 2000-05-05 2000-05-05 Passive needle guard for syringes
US09/724,657 US6613022B1 (en) 2000-05-05 2000-11-28 Passive needle guard for syringes
US724657 2000-11-28
PCT/US2001/014213 WO2001085239A2 (en) 2000-05-05 2001-05-01 Passive needle guard for syringes

Publications (3)

Publication Number Publication Date
DE60115022D1 DE60115022D1 (de) 2005-12-22
DE60115022T2 DE60115022T2 (de) 2006-08-10
DE60115022C5 true DE60115022C5 (de) 2013-09-05

Family

ID=27074116

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60115022T Expired - Lifetime DE60115022C5 (de) 2000-05-05 2001-05-01 Passive nadelabschirmung für spritzen

Country Status (8)

Country Link
US (3) US6613022B1 (de)
EP (2) EP1621222A1 (de)
JP (1) JP2003532500A (de)
AT (1) ATE309832T1 (de)
CA (1) CA2407739A1 (de)
DE (1) DE60115022C5 (de)
ES (1) ES2252225T3 (de)
WO (1) WO2001085239A2 (de)

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ES2252225T3 (es) 2006-05-16
US20050101917A1 (en) 2005-05-12
EP1284769B1 (de) 2005-11-16
US20060036217A1 (en) 2006-02-16
EP1284769A2 (de) 2003-02-26
DE60115022D1 (de) 2005-12-22
JP2003532500A (ja) 2003-11-05
US7101355B2 (en) 2006-09-05
CA2407739A1 (en) 2001-11-15
US6613022B1 (en) 2003-09-02
WO2001085239A3 (en) 2002-03-21
EP1621222A1 (de) 2006-02-01
ATE309832T1 (de) 2005-12-15
US7300420B2 (en) 2007-11-27
DE60115022T2 (de) 2006-08-10
WO2001085239A2 (en) 2001-11-15

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