WO2019048432A1 - Capuchon de protection pour canule de seringue d'injection - Google Patents

Capuchon de protection pour canule de seringue d'injection Download PDF

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Publication number
WO2019048432A1
WO2019048432A1 PCT/EP2018/073758 EP2018073758W WO2019048432A1 WO 2019048432 A1 WO2019048432 A1 WO 2019048432A1 EP 2018073758 W EP2018073758 W EP 2018073758W WO 2019048432 A1 WO2019048432 A1 WO 2019048432A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
needle
receiving
receiving area
inlet opening
Prior art date
Application number
PCT/EP2018/073758
Other languages
German (de)
English (en)
Inventor
Timo Hölzl
Felix Glück
Daniel Rohe
Richard Kähling
Original Assignee
Schreiner Group Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schreiner Group Gmbh & Co. Kg filed Critical Schreiner Group Gmbh & Co. Kg
Publication of WO2019048432A1 publication Critical patent/WO2019048432A1/fr

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
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • 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
    • A61M5/3216—Caps placed transversally onto the needle, e.g. pivotally attached to the needle base
    • A61M2005/3217—Means to impede repositioning of protection cap from needle covering to needle uncovering position, e.g. catch mechanisms
    • 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
    • A61M5/3278—Apparatus for destroying used needles or syringes
    • A61M2005/3284—Deformaton of needle by deflection or bending

Definitions

  • the invention relates to a protective device for securing a needle, in particular an injection needle, to avoid injury to the needle.
  • Injection needles are usually mounted on a syringe body to inject patients with liquid substances. Injection needles are also used for blood sampling. Depending on the application, the needles used have a different needle length and a different needle diameter.
  • a needle protection device can be designed, for example, as a protective cap which is plugged onto a syringe body and thus onto the injection needle attached to the end of the syringe body. As a result, direct contact with the needle or contamination with any medical fluid or body fluid that might escape from the needle can be avoided.
  • a protective cap is usually stored separately from the actual syringe. Furthermore, attaching the protective cap is often difficult because the needle has to be inserted exactly into the cavity of the protective cap or the protective cap has to be placed exactly over the needle.
  • An embodiment of a protective device for securing a needle which is suitable in particular for securing a needle, regardless of its needle thickness or its needle length, is specified in claim 1.
  • the protective device for securing a needle comprises a receiving element with a receiving area for receiving the needle.
  • the receiving element has a bottom part forming a base of the receiving region, a side part forming sides of the receiving region and at least one covering device forming a cover of the receiving region.
  • the receiving area is bounded by the bottom part, the side part and the at least one covering device.
  • the at least one covering device has an inlet opening for the needle for penetrating into the receiving area.
  • the at least one covering device is movably attached to the side part such that when the needle is pressed onto the at least one covering device, the inlet opening enlarges, so that the needle penetrates into the receiving region, and the inlet opening is reduced again after the needle has entered the receiving region is and thus no pressure is exerted on the at least one covering.
  • the inlet opening can increase in a wide range. If, for example, a needle with a small diameter is to be secured with the protective device, it is sufficient if, when the needle is pressed onto the at least one covering device, the at least one covering device is deflected only slightly in the direction of the bottom part of the receiving element. As a result, the inlet opening in the receiving area of the protective device opens only slightly. A needle with a small needle diameter can thus penetrate into the receiving area even if the inlet opening is narrow.
  • the at least one covering device bends further towards the bottom part when the needle is pressed onto the at least one covering device until the inlet opening has increased significantly more than when using a small diameter needle , so that the needle with the larger needle diameter can penetrate through the inlet opening into the receiving area.
  • the protective device is thus designed as a system that can accommodate almost any needle in the receiving area, regardless of the needle thickness.
  • the length of the receiving area can be adapted to the length of the longest pin to be picked up.
  • the position of the covering device on the receiving element can be adapted to the shortest needle to be picked up.
  • the protection device also provides a system that can receive and secure each needle almost independently of the length of the protective needle.
  • the needle After the needle has entered the receiving area, causes a restoring force, which has arisen due to the bending of the at least one cover and thus due to a material tension in the material of the cover that the at least one cover is moved back to its original position and the inlet opening is reduced again in the recording area.
  • the inlet opening into the receiving region In the original position of the at least one covering device, the inlet opening into the receiving region has only a small gap width or is completely shot. The needle can therefore no longer escape from the receiving area after insertion into the receiving area.
  • the at least one covering device is in particular designed such that a force which would have to be expended by the needle located in the receiving region in order to bend the at least one covering device in the opposite direction in such a way that the gap width of the inlet opening increases again is significantly greater. as the force necessary to insert the needle into the receiving area.
  • the at least one covering device may have flap-shaped elements which are offset from Overlying side elements of the side part are deflected in the direction of the bottom part of the receiving element when no force is applied to the flap-shaped cover members of the at least one cover.
  • FIG. 1A shows an embodiment of a receiving element of a protective device for securing a needle with a multiplicity of covering devices for covering a receiving area for receiving the needle
  • FIG. 1B is an enlarged view of a covering device of the protective device with Ab cover elements whose end faces are opposite to shock,
  • FIG. 2A shows another embodiment of a receiving element of a protective device for securing a needle with a plurality of covering devices for covering a receiving area for receiving the needle
  • FIG. 2B shows an enlarged view of a cover device of the protective device with Ab cover elements whose end faces are arranged offset from one another
  • FIG. 3A shows another embodiment of a receiving element of a protective device for securing a needle with a plurality of covering devices for covering a receiving area for receiving the needle
  • FIG. 3B shows an enlarged view of covering devices of the protective device with covering elements deflected slightly in the direction of the bottom part
  • FIG. 4 shows a protective device for securing a needle with a receiving element having a plurality of covering means for covering a receiving area for a needle and a film layer for fixing the receiving element to a syringe body
  • FIG. 5 shows a syringe body with an injection needle to which a protective device for securing the injection needle is attached;
  • FIG. 6 shows a cross section through an embodiment of a receiving element of a protective device for securing a needle with a cross-sectionally round receiving area for receiving the needle
  • FIG. 7A shows an embodiment of a receiving element with a receiving area for receiving a needle with a round cross section and notches in the material between side elements and covering elements of the receiving element
  • FIG. 7B shows a cross section through the receiving element with a receiving area with a round cross-section and notches in the material between side elements and cover elements of the receiving area of the receiving element
  • FIG. 8 shows a protective device for securing a needle with a receiving element for securing the needle in a receiving region of the receiving element
  • FIG. 10A is a perspective view of a receiving element of a protective device for securing a needle with a movable element, a retaining element and a guide element for guiding the needle in the receiving area,
  • 10B is a plan view of the receiving element with the movable element, the retaining element and the guide element,
  • FIG. 11A shows an embodiment of a securing element with movable side elements for securing a needle
  • FIG. 1 IB shows a top view of an embodiment of a needle protection device with movable side elements for securing a needle
  • 12A shows a cross section of an embodiment of a securing element with a flexible side element for securing a needle
  • FIG. 12B is a plan view of an embodiment of a needle protection device with a flexible side member for securing a needle
  • FIG. 13 shows an embodiment of a securing element with rigid side parts for deforming a needle before it is received in a receiving area of a needle protection device.
  • FIGS. 1A to 10B Different embodiments of a protective device 1 for securing a needle 2 are shown in FIGS. 1A to 10B.
  • various embodiments of a receiving element 10 of a protective device 1 having a receiving region 100 for receiving the needle 2 are shown in FIGS. 1A to 10B.
  • the receiving element 10 has a bottom part 110 for forming a bottom of the receiving region 100.
  • the receiving element 10 has a side part 120, which forms sides of the receiving region 100, and at least one covering device 130, which forms a cover of the receiving region 100.
  • the receiving region 100 is thus delimited by the bottom part 110, the side part 120 and the cover device 130.
  • the at least one covering device 130 has an inlet opening 101 for the needle 2 for penetrating into the receiving region 100.
  • the at least one covering device 130 is movably fastened to the side part 120 in such a way that when the needle is pressed onto the at least one covering device 130 increases, so that the needle penetrates into the receiving area 100, and the inlet opening 101 is reduced again after the needle has entered the receiving area 100 of the receiving element 10 and thus no pressure on the at least one Abdeckeinrich- device 130 is exerted by the needle ,
  • the at least one covering device has 130 at least one cover member 140 and 150, which is movably attached to the side part 120.
  • the at least one cover element 140 or 150 is fastened to the side part 120 such that the at least one cover element 140 or 150 has a first (original) position if no force, for example from the needle, is applied to the at least one cover element 140 150 takes place.
  • the at least one cover element 140 or 150 is movably fastened to the side part 120 in such a way that the at least one cover element 140 or 150 presses the at least one cover element 140 or 150 from the first position in the direction of the bottom part 110 of the receiving element 100 up to a second position is deflected.
  • the inlet opening 101 enlarges into the receiving region 100 of the receiving element 10, so that the needle 2 reaches the receiving region 100 of the receiving element through the inlet opening 101 at the second position of the at least one covering element 140 or 150.
  • the at least one cover element 140 or 150 is movably attached to the side part 120 in such a way that the at least one cover element 140 or 150 is moved back from the second position back to the first position, whereby the inlet opening 101 into the receiving area 100 again is reduced when the needle 2 has entered the receiving area 100 and no force, in particular from the needle 2 ago, more on the at least one cover 140 and 150 takes place.
  • the needle is thus caught in the receiving region 100 of the receiving element without the needle being fixed with catching hooks.
  • the needle is instead thereby prevented from slipping out of the receiving area 100 by the inlet opening 101 has reduced again due to the restoring force on the at least one cover.
  • the inlet opening has, in the first position, to which the at least one receiving element is moved back, to a width which is smaller than the needle diameter.
  • the at least one cover device 130 or the at least one cover element 140 or 150 is designed such that a force that would be applied by the lying in the receiving area needle to bend the at least one cover 130 and the at least one cover 140 and 150, so that the inlet opening 101 increases again, greater than the force that is necessary to at least one cover 130th or to bend the at least one cover element 140 or 150 by means of the needle for inserting the needle into the receiving area.
  • the at least one covering device 130 has a first covering element 140 and a second covering element 150.
  • the at least one side part 120 has a first side element 121, an opposite second side element 122, and a side element 123 which delimits the receiving region 100 to one side.
  • the cover member 140 is movably attached to the side member 121, and the cover member 150 is movably attached to the side member 122 such that the cover member 140 and the cover member 150 press the needle 2 from outside the receiving portion 100 onto the cover members 140, 150 of the respective one first, original position in the direction of the bottom part 110 of the receiving element 10 are deflected to the respective second position.
  • the inlet opening 101 in the receiving area 100 increases, so that the needle 2 passes through the inlet opening 101 in the receiving area 100.
  • the cover member 140 is further movably attached to the side member 121 and the cover member 150 is movably attached to the side member 122 such that the cover members 140 and 150 are moved back to the respective first, original position when the needle 2 is in the receiving area 100 of the receiving element 10 has come and no force, in particular from the needle 2 ago, more on the cover 140 and the cover 150 is carried out.
  • the cover elements 140 and 150 By moving the cover elements 140 and 150 back into the first, original position, the inlet opening 101 in the receiving area 100 of the receiving element 10 is reduced again.
  • the covering element 140 is movable on the side element 121 and the covering element 150 in such a manner movably attached to the side member 122, that the cover members 140 and 150 are bent when pressing the needle 2 on the cover members 140, 150 from the respective first, original position in the direction of the bottom part 110 of the receiving member 10, whereby in the material of the cover 140 and 150 a material tension arises.
  • the material tension increases as the cover members 140 and 150 are bent from the first, original position toward the bottom portion 110 to the second position.
  • This material tension causes a return force, by means of which the cover elements 140 and 150 are moved back into the respective first, original position against the direction of the bottom part 110 when the needle 2 passes through the inlet opening 101 into the receiving area 100 of the receiving element 10 is and no force, in particular from the needle 2, on the cover 140 and 150 done.
  • the receiving element 10 is integrally formed.
  • the receiving element may for example be an injection molded part made of a material made of plastic.
  • the cover elements 140 and 150 of the at least one cover device 130 extend toward each other from an upper edge of the side elements 121 and 122 and, in the first position, are bent downwards in the direction of the bottom part 110.
  • the cover elements 140 and 150 may be arranged, for example, from the upper edge of the side elements 121 and 122 in a V-shape in the direction of the bottom part 110.
  • the various components of the receiving element 10, that is, the bottom part 110, the side members 121, 122 and 123 and the cover members 140 and 150 of the at least one cover 130 are made of a material.
  • the cover elements 140 and 150 may be formed as movable flaps which extend from opposite side elements to each other and cover the receiving area 100.
  • the individual covering devices 130 are arranged at a distance from one another, so that free spaces are created between the covering devices, on which the receiving region is not covered by one of the covering devices.
  • Figures 1A to 3B show various embodiments of the receiving element 10 of the protective device 1 for securing a needle 2.
  • cover means 130 are provided, which are arranged offset to one another in the longitudinal direction of the receiving area. There are thus free spaces between the individual covering devices 130, on which the receiving region 100 is not covered by the covering devices 130.
  • Each cover device 130 comprises a cover element 140, which is arranged flexibly or movably on the side element 121, and a cover element 150, which is movably arranged on the side element 122.
  • the cover elements 140 and 150 of the individual cover devices each have a section 141 or 151 and a section 142 or 152.
  • the sections 141 and 142 of the cover element 140 or the sections 151 and 152 of the cover element 150 are connected to each other, so that each of the cover element 140 or 150 is integrally formed.
  • the cover members 140 and 150 are each formed as a web.
  • the individual webs extend at right angles to the longitudinal axis of the side elements 121 and 122.
  • the material webs extend from the upper edge of the side element 121 or the upper edge of the side element 122 and are bent into the receiving region 101, in particular bent in a V shape.
  • the material webs and the side elements are made of a material and therefore formed in one piece.
  • the portion 142 of the cover member 140 of the various cover means is movably connected to the side member 121.
  • the portion 152 of the cover member 150 of the various cover means is movably connected to the side member 122.
  • the inlet opening 101 into the receiving region 100 of the receiving element 10 is formed between the ends E141 or E151 of the section 141 or 151 of the cover elements 140 and 150.
  • the respective one has Section 142, 152 of the cover 140 and 150 a lower material thickness / material thickness than the respective portion 141, 151 of the cover 140 and 150 on.
  • the cover members 140 and 150 thus have at the edge to the side members 121 and 122, a relatively thin transition point, which acts as a film hinge and bending of the cover in the direction of the bottom portion 110 of the receiving member 10 allows once from the needle 2, a pressure from above or from outside the receiving area 100 on the portions 141, 151 of the cover 140 and 150 is exercised.
  • the cover members 140 and 150 When no force is applied to the cover members 140 and 150 from the needle 2, the cover members 140 and 150 are arranged in the first, original position. This position of the cover members 140 and 150 is shown in Figs. 1A to 3B. In the first, original position of the cover members 140 and 150, the respective ends E141, E151 of the portion 141 and 151 of the cover members 140 and 150 are closer to the bottom portion 110 than the respective ends E142, E152 of the portions 142 and 152 of the cover members 140 and 150 arranged.
  • the end E142 of the portion 142 of the cover members 140 is the end with which the cover members 140 are movably disposed on the side member 121.
  • the respective end E152 of the portion 152 of the cover members 150 is the end with which the cover members 150 are movably connected to the side member 122. As shown in Figures 1 A to 3B, the cover members 140 and 150 are aligned in their original position V-shaped in the direction of the bottom part 110.
  • FIG. 1A shows an embodiment of the receiving element 10 of the protective device 1, in which the receiving region 100 is covered by a covering device 130a and a plurality of covering devices 130b.
  • the receiving element 10 has at the portion which faces the syringe body when attaching the protective device 1 to a syringe body, at least one cover 130a. Subsequently, the receiving element 10, a plurality of cover means 130 b, which extend to the opposite end of the receiving element, that is, up to the side member 123. As can be seen in FIG.
  • the end E141, E151 of the portion 141 or 151 of the cover element 140 and 150 of the cover device 130a in the first, original position is located closer to the bottom part 110 than the respective end E 141, El 51 of the section 141 , 151 of the cover elements 140 and 150 of the remaining covering devices 130b.
  • the covering device 130a is therefore curved in the original position deeper into the receiving area 100 than the remaining covering devices 130b.
  • the cover device 130a therefore sets the needle 2 at a pressure from above a greater resistance than the other cover devices 130b.
  • the sections 142 and 152 of the cover elements 140 and 150 of the cover devices 130b are made with a lower material thickness than the sections 141 and 151 of the cover elements 140 and 150 of the cover device 130a.
  • the capping members 140 and 150 of the capping means move back to the first original position.
  • the capping means 130a, 130b provide greater resistance to the needle 2 when attempting to withdraw the needle from the receiving area 100 by applying a compressive force to the receiving elements 140 and 150 of the inside of the receiving area 100 by means of the needle Covering devices 130a, 130b would be exercised, as the resistance that was to overcome for inserting the needle from the outside into the receiving area 100.
  • FIG. 1B shows one of the covering devices 130b with the associated covering elements
  • an end surface S141 of the portion 141 of the cover member 140 and an end surface S151 of the portion 151 of the cover member 150 oppose the cover member 130b in the region of the entrance opening 101 without offset in the vertical direction.
  • the cover members 140 and 150 of the cover 130b are thus abutted at their end faces S141 and S151.
  • the cover elements 140 and 150 on the underside of the sections 141 and 151, which faces the bottom part 110, projections / lugs 143 and 153 have. These extensions at the joint of the cover members 140 and 150 cause the needle 2 is deflected from the inlet opening 101 after penetration into the receiving area 100 and thus securely arranged in the receiving area 100.
  • Figures 2A and 2B show another embodiment of the receiving element 10 of the protective device 1 for securing a needle 2.
  • the receiving area 100 is covered exclusively by covering devices 130 which are similar to the individual covering device 130a are formed from Figure 1A.
  • the respective sections 141 and 151 of the cover elements 140 and 150 are curved further in the direction of the bottom part 110 than in the cover devices 130b shown in FIGS. 1A and 1B.
  • the sections 142, 152 of the cover elements 140 and 150 of the cover devices 130 of FIGS. 2A and 2B are flexibly arranged on the side elements 121 and 122.
  • the sections 141 and 151 of the cover elements 140, 150 can bend in the direction of the bottom part 110 when pressure is exerted on the sections 141 and 151 of the cover elements 140, 150 for inserting the needle 2 into the receiving area 100.
  • the sections 142 and 152 of the cover elements 140, 150 of FIGS. 2A and 2B have a smaller material thickness than the associated sections
  • FIG. 2B in contrast to the cover devices 130b from FIGS. 1A and 1B, an end face S141 of the section 141 of the cover element 140 and an end face S151 of the section 151 of the cover element 150 of the cover devices 130 are in the region of the inlet opening 101 in one direction perpendicular to the longitudinal direction of the receiving area 100 offset from each other.
  • the flap-shaped covering devices 130 of FIGS. 2A and 2B are thus connected in series as a kind of "carabiner paddle", whereas the flap-shaped covering devices 130b of the embodiment shown in FIGS. 1A and 1B are designed as "impact paddles" are.
  • the protuberances / bulges of the cover members 140 and 150 have a mating shape that prevents movement of the cover members 140 and 150 of the cover assemblies 130 of FIGS. 2A and 2B against each other when attempting to move the needle outwardly from within the receiving portion 100 ,
  • the force thus applied by a needle already in the receiving region 100 to remove the needle 2 from the receiving region 100 is thus greater than the force necessary to move the capping devices 130 in the direction of the needle Bend bottom part 100 to press the needle 2 from outside into the receiving area 100.
  • FIGS. 3A and 3B show a further embodiment of the receiving element 10 of the protective device 1.
  • the covering devices 130 are here flattened in the direction of the bottom part 110.
  • the end faces S141 and S151 of the cover elements 140, 150 of the cover devices 130 are also offset in the vertical direction with respect to the bottom surface, so that, as in the embodiment shown in FIGS. 2A and 2B, the cover elements 140 and 150 engage in a carabiner-like manner.
  • the receiving element 10 can be made very flat and, for example, have a catcher height of only up to 2.5 mm.
  • the covering devices 130, 130a or 130b may be connected to the side elements 121 and 122 such that the respective inlet opening 101 of the individual covering devices 130, 130a or 130b along a longitudinal direction of the receiving region 100 is arranged offset. As a result, the unwanted slipping out of the needle 2 from the receiving area 100 is further impeded.
  • FIG. 4 shows an embodiment of the protective device 1 with the receiving element 10 and a film layer 20.
  • the film layer 20 has a first section 21 for circumscribing a syringe body and a second section 22 which extends at right angles to the first section 21. Since the first portion 21 must be wound around a syringe body, it has a greater longitudinal extent than the portion 22.
  • the receiving element 10 is connected at a front portion 11 with the second portion 21 of the film layer 10. For this purpose, an underside of the section 11 of the receiving element 10 can be glued to an upper side of the section 22 of the film layer 20.
  • the portion 11 has chamfered side elements 12 and 13.
  • the receiving area 100 is arranged in a rear portion 14 of the receiving element, which integrally adjoins the front portion 1 1.
  • FIG. 4 shows the receiving element 10 in the embodiment shown in FIGS. 3A and 3B. It should be noted that the receiving element 10 can also assume the embodiment shown in FIGS. 1A to 2B.
  • the protective device 1 is formed as a label which can be adhered by means of the portion 21 of the film layer 20 to a syringe body.
  • FIG. 5 shows a syringe body 3 from whose end the needle 2 emerges. The first portion 21 of the film layer 20 of the protective device 1 is wound around the syringe body.
  • FIG. 5 shows the needle 2, which is arranged protected in the receiving region 100 of the receiving element 10.
  • FIGS. 6 show 7B show embodiments of a receiving element 10 of a protective device 1, in which the receiving region 100 has a round cross section.
  • the receiving element 10 may be integrally formed, for example as an injection molded part made of plastic.
  • both the bottom part 110 and the side members 121 and 122 of the side part 120 and the cover 130 are formed as segments of a cylindrical body.
  • the cylindrical body is not closed at its upper side, but has a slot in the longitudinal direction of the receiving region 100, which forms the inlet opening 101 into the receiving region 100.
  • the cover device 130 has a cover element 140 and a cover element 150, whose ends are arranged either in abutment or whose ends overlap as in the embodiment shown in FIG.
  • an end El 40 of the cover element 140 rests on an end face S150 of the cover element 150.
  • the inlet opening 101 opens and the needle 2 can penetrate into the receiving area 100.
  • the receiving element 10 is designed as a one-piece body, when the cover elements 140 and 150 are bent apart in the material of the receiving element 10, a tension is created by which the receiving elements 140 and 150 are compressed again after the needle has penetrated into the receiving area 100. As a result, the needle 2 can no longer escape from the receiving area 100.
  • Figures 7A and 7B show in perspective view and in cross-section, another embodiment of a protective device 1, which is formed as a cylindrical body.
  • the bottom part 110, the side members 121 and 122 and the cover 130 constitute parts of a one-piece body, for example a plastic injection molded part.
  • the entrance opening 101 is formed in the receiving area 100 by a slit in the Covering device 130 formed along the longitudinal direction of the receiving area 100 runs.
  • the inlet opening 101 may also have a wave-shaped or zigzag-shaped course. In the direction of the inlet opening 101, the material thickness of the cover elements 140 and 150 of the covering device 130 decreases continuously starting from the side elements 121 and 122.
  • the cover elements 140 and 150 act as locking lugs or film hinges, so that the cover elements 140 and 150 can be deflected or bent far in the direction of the bottom part 110, if is pressed with a needle from the outside on the cover members 140 and 150.
  • the notches and the increase in the material thickness from the inlet opening 101 in the direction of the notches 144, 154 prevent the cover elements from being unfolded in the direction opposite to the bottom part 110. As a result, the needle is securely stored in the receiving area 100 and can not escape again through the inlet opening 101 at a pressure from the interior of the receiving area on the cover elements 140 and 150.
  • Figure 8 shows an embodiment of the receiving element 10 as a one-piece injection molded part with the portion 11 having the tapered side members 12 and 13, and a front portion 14. Between the portion 11 and the portion 14, a notch 15 is provided in the material of the receiving element 10 his. When a syringe is pressed into the receiving area 100, the receiving element 10 can bend off at the notch 15, so that the needle in the receiving area 100 is bent.
  • the receiving element 10 has at least one covering device 130 in the receiving region 100. At one end of the receiving area 100, which faces the portion 11 of the receiving element 10, a guide element 170 is provided with a groove 171.
  • FIGS. 9A to 9E show a cross section through the receiving element 100 at the location where the covering device 130 is located. Shown are various states of the covering device 130 upon penetration of a needle 2 into the receiving region 100 of the receiving element 10.
  • the receiving element 10 has a bottom part 110, a side part 120 with side elements 121 and 122 and a covering device 130.
  • the cover device 130 comprises a cover element 140 and a cover element 150, wherein the cover element 150 is designed to be flexible at its end.
  • an inlet opening 101 is formed in the receiving area 100.
  • the end of the cover 150 is bent in the direction of the bottom part 110, so that the inlet opening 101 in the receiving area 100 increases.
  • the needle may enter the receiving area 100.
  • the receiving element 10 may have a sliding element 160 for pushing the needle 2 in the receiving area 100.
  • the sliding element 160 is arranged at a position 103 below the inlet opening 101.
  • the sliding element 160 is designed to push the needle 2 after penetration into the receiving region 100 to a position 102 of the receiving region 100, which lies between the point 103 of the receiving region 100, on which the sliding element 160 is arranged, and the side element 122.
  • the sliding member 160 is formed as a rigid, for example, arcuate element. When penetrating into the receiving area 100, the needle 2 slides along an outer surface of the arcuate sliding member 160. This outer surface of the sliding member 160 may be formed as a slope 161. As the needle 2 penetrates through the inlet opening 101, the needle strikes the outer surface 161 of the arcuate sliding element 160 and slides along this slope to the position 102 of the receiving region 100. The curvature of the covering element 150 in the direction of the bottom part 110 causes the needle 2 securely held at the position 102 of the receiving area 100.
  • Figures 10A and 10B show in a perspective view from above or a plan view of another embodiment of a receiving element 10 for receiving a needle in a receiving area 100.
  • the receiving element has a bottom part 110, a side part 120 with a side member 121 and a side member 122 and a Covering device 130 on. Between the bottom part, the side part and the cover device, a rectangular receiving area 100 is formed.
  • the cover device 130 comprises a movable element 131, which is arranged on the side element 122, and at least one retaining element 132, 133, which is arranged on the side element 121 and / or on the side element 122.
  • the receiving element 10 comprises a guide element 170, which is arranged between the side elements 121 and 122.
  • the movable member 131 has a portion 131a and a portion 131b.
  • the portion 13 la is movably attached to the portion 131 b.
  • the portion 13 lb is rigidly fixed to the side member 122.
  • the end of the portion 131 a of the movable member 131 is chamfered toward the bottom part 110.
  • an end of the at least one retaining element 132, 133 is chamfered in the direction of the bottom part, wherein the bevel at the end of the portion 131 a of the movable member 131 and the slope at the end of the retaining member 132 to run towards each other, so that the needle when inserted into the receiving area 100 along the slope of the portion 131 a of the movable member 131 and along the slope of the retaining member 132 can slide.
  • the guide member 170 is similar to the embodiment shown in FIG formed of the receiving element and has a groove 171 for guiding the needle in the receiving area 100.
  • the movable member 131, the at least one retaining member 132, 133 and the guide member 170 are formed so that the portion 131a of the movable member 131 is bent at a pressure of the needle on the movable member 131 such that the needle in the receiving area 100 and penetrates into the groove 171 of the guide member 170 and at the same time slips under the at least one retaining element 132, 133.
  • the needle is prevented from slipping out of the receiving area 100 by the at least one retaining element 132, 133.
  • the movable element 131 above the receiving region 100 is not arranged at right angles to the longitudinal axis of the receiving region 100, but at an angle thereto. Between the portion 131a and the portion 131b of the movable member 131, there is provided a material groove 131c which acts as a target kink.
  • the needle When a needle is pressed into the receiving region 100, the needle is first pressed onto the movable element 131 arranged closer to the syringe body.
  • the movable portion 13 a kinks at the kink and is pushed upward in the direction of the retaining member 132.
  • the needle can now slide along the slope of the portion 131 a of the movable member 131 and along the slope of the retaining member 132 in the receiving portion 100 and slips in the groove 171 of the guide member 170 and under the retaining members 132 and 133.
  • the at least one retaining element 132, 133 prevents the needle from being deflected back.
  • FIG. 1B Figures I IA and I IB show a further embodiment of the receiving element 10 in a cross section and a plan view.
  • the receiving element 10 has a plurality of securing elements, of which two securing elements 180a and 180b are shown by way of example in FIG. 1B.
  • the receiving area 100 of the receiving element 10 is formed by partial receiving areas 100a, 100b of the securing elements 180a, 180b.
  • the securing element 180a shown in detail in FIG. 11A comprises a bottom part 110, a side part 120 with side elements 121 and 122, and a covering device 130 a cover member 140 and a cover member 150. Between said components, the part receiving portion 100a for receiving the needle is formed.
  • the cover member 140 is disposed at the upper end of the side member 121.
  • the cover member 150 is disposed at the upper end of the side member 122.
  • the cover elements 140 and 150 extend obliquely from the end of the side elements 121, 122 in the direction of the bottom part 120 and are offset in the longitudinal direction of the receiving region 100 so that the ends of the cover elements 140 and 150 overlap, as shown in broken lines in FIG , In contrast to the previously shown embodiments of the receiving element 10, however, the cover elements 140 and 150 are rigidly arranged on the side elements 121 and 122. When a needle is pressed onto the cover elements 140 and 150, the side elements 121 and 122, which are arranged flexibly on the bottom part 110, bend instead, as indicated by the arrows in FIG. 11A. As a result, the inlet opening 101 opens and the needle 2 can penetrate into the receiving area 100.
  • the receiving element 10 has outer side members 123 and 124 on. Between the outer side elements 123 and 124, a plurality of the securing elements 180a, 180b are arranged offset relative to one another in the longitudinal direction of the receiving region 100. This prevents unintentional slipping out of the needle from the receiving areas 100a, 100b.
  • FIGS. 12A and 12B show a further embodiment of a receiving element 10 with a receiving area 100 for receiving a needle.
  • the receiving area 100 is formed by a plurality of partial receiving areas 100a, 100b,... Of fuse elements 180a, 180b,....
  • the plurality of securing elements 180a, 180b, ... are arranged one behind the other.
  • FIG. 12A shows details of one of the securing elements 180a in a cross section.
  • Each securing element has side elements 121, 122 and a covering device 130.
  • a cover member 150 of the cover 130 is arranged on the side member 122.
  • the fuse element 180a is formed such that when pressing the needle. 2 on the cover 130, the side member 122 is bent outwards, whereby the inlet opening 101 is opened until the needle 2 can penetrate into the receiving area 100. Due to the material tension, the side member 122 bends back. By trained as a projection end of the cover 150, the needle is securely held in the receiving area 100.
  • FIG. 13 shows a further embodiment of a receiving element 10 with a receiving region 100.
  • the receiving region 100 is formed between a bottom part 110, side elements 121 and 122 and cover elements 140 and 150 of a covering device 130.
  • the side elements 121, 122 and the cover elements 140 and 150 are arranged rigidly or immovably on the bottom part 110.
  • the side member 121 with the cover member 140 is disposed in the longitudinal direction of the receiving portion 100 in front of the side member 122 with the cover member 150, so that the ends of the cover members 140 and 150 overlap slightly.
  • the needle 2 When the needle 2 is pressed onto the rigid, fixed cover elements 140, 150, therefore, instead of the receiving element 10, the needle 2 now bends. Due to the bending, the needle can penetrate into the receiving region 100. After snapping the needle 2 into the receiving area 100, the slight bending of the needle disappears again. As a result, the needle is just in its original shape in the receiving area 100.
  • a protective device for securing a needle make it possible to secure needles with different needle diameters.
  • the covering device being movably arranged on the side part or the side elements of the side part movably on the bottom part of the receiving element 10.
  • the inlet opening in the receiving area when pressing a Increase the needle on the cover almost anywhere, so that needles with different diameters can be accommodated in the receiving area.
  • the covering devices 130 or the side elements 121 and 122 move back to their original shape, so that the inlet opening 101 closes again in the receiving region 100.
  • the needle protection device 1 is also suitable for receiving needles of different lengths.
  • the length of the receiving area 100 is adapted to the longest to be picked up needle.
  • the position of the first covering device over the receiving region is to be arranged so close to the section 11 of the receiving element that the shortest needle has to penetrate into the receiving region through the inlet opening of the first covering device.

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)

Abstract

Dispositif de protection (1) pour la sécurisation d'une aiguille (2) comprenant un élément de réception (10) pourvu d'une zone de réception (100) pour la réception de l'aiguille (2). L'élément de réception (10) comprend au moins un dispositif de recouvrement (130) formant un recouvrement de la zone de réception (100). L'au moins un dispositif de recouvrement (130) comprend une ouverture d'entrée (101) pour la pénétration de l'aiguille (2) dans la zone de réception (100). L'au moins un dispositif de recouvrement (130) est fixé de façon mobile sur une partie latérale (120) de l'élément de réception (10) de telle façon que l'ouverture d'entrée (101) s'élargit lorsque l'aiguille (2) appuie sur l'au moins un dispositif de recouvrement (130), de telle façon que l'aiguille (2) pénètre dans la zone de réception (100), et l'ouverture d'entrée (101) se rétrécit de nouveau une fois que l'aiguille a pénétré dans la zone de réception (100) et que l'au moins un dispositif de recouvrement (130) ne soit plus soumis à aucune pression.
PCT/EP2018/073758 2017-09-06 2018-09-04 Capuchon de protection pour canule de seringue d'injection WO2019048432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017120538.1A DE102017120538A1 (de) 2017-09-06 2017-09-06 Schutzvorrichtung zur Sicherung einer Nadel
DE102017120538.1 2017-09-06

Publications (1)

Publication Number Publication Date
WO2019048432A1 true WO2019048432A1 (fr) 2019-03-14

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ID=63579315

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Application Number Title Priority Date Filing Date
PCT/EP2018/073758 WO2019048432A1 (fr) 2017-09-06 2018-09-04 Capuchon de protection pour canule de seringue d'injection

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DE (1) DE102017120538A1 (fr)
WO (1) WO2019048432A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022111083A1 (de) * 2022-05-05 2023-11-09 Stephan Fischer Schutzvorrichtung für ein Nadelrohr einer Spritze

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381577A2 (fr) * 1989-02-03 1990-08-08 Frank Boumendil Capuchon de protection pour l'aiguille d'une seringue d'injection
WO1991007199A1 (fr) * 1989-11-20 1991-05-30 Agven Medical Corporation Limited Systeme pour proteger l'aiguille d'une seringue
US5152751A (en) * 1990-12-04 1992-10-06 Kozlowski David J Hypodermic needle safety shield
US5171303A (en) * 1990-04-20 1992-12-15 Decamp Dennis M Hypodermic needle cannula guard
WO1993021979A1 (fr) * 1992-05-07 1993-11-11 Kurt Hieke Housse de protection pour l'elimination apres utilisation d'une canule a aiguille a usage unique
WO2006105807A1 (fr) * 2005-04-06 2006-10-12 Schreiner Group Gmbh & Co. Kg Mecanisme de protection comprenant une feuille
WO2010128344A1 (fr) * 2009-05-06 2010-11-11 Dispomedicor Zrt. Capuchon d'aiguille pivotant
DE102013107055A1 (de) * 2013-07-04 2015-01-08 Schreiner Group Gmbh & Co. Kg Nadelschutzvorrichtung zum Schutz vor Verletzungen an einer Nadel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509907A (en) * 1996-03-17 1996-04-23 Med-Safe Products, Inc. Syringe needle guard assembly
DE102006013322A1 (de) * 2006-03-21 2007-09-27 Sarstedt Ag & Co. Kanüle mit einem Schutzgehäuse
JP6147251B2 (ja) * 2011-07-05 2017-06-14 ヴィグメッド アーベー 作動状態および不作動状態を有する針防護具
DE102013107056A1 (de) * 2013-07-04 2015-01-08 Schreiner Group Gmbh & Co. Kg Schutzvorrichtung zur Aufnahme einer Nadel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381577A2 (fr) * 1989-02-03 1990-08-08 Frank Boumendil Capuchon de protection pour l'aiguille d'une seringue d'injection
WO1991007199A1 (fr) * 1989-11-20 1991-05-30 Agven Medical Corporation Limited Systeme pour proteger l'aiguille d'une seringue
US5171303A (en) * 1990-04-20 1992-12-15 Decamp Dennis M Hypodermic needle cannula guard
US5152751A (en) * 1990-12-04 1992-10-06 Kozlowski David J Hypodermic needle safety shield
WO1993021979A1 (fr) * 1992-05-07 1993-11-11 Kurt Hieke Housse de protection pour l'elimination apres utilisation d'une canule a aiguille a usage unique
WO2006105807A1 (fr) * 2005-04-06 2006-10-12 Schreiner Group Gmbh & Co. Kg Mecanisme de protection comprenant une feuille
WO2010128344A1 (fr) * 2009-05-06 2010-11-11 Dispomedicor Zrt. Capuchon d'aiguille pivotant
DE102013107055A1 (de) * 2013-07-04 2015-01-08 Schreiner Group Gmbh & Co. Kg Nadelschutzvorrichtung zum Schutz vor Verletzungen an einer Nadel

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