CN106983932A - A kind of needle cap suitable for syringe - Google Patents

A kind of needle cap suitable for syringe Download PDF

Info

Publication number
CN106983932A
CN106983932A CN201710318153.4A CN201710318153A CN106983932A CN 106983932 A CN106983932 A CN 106983932A CN 201710318153 A CN201710318153 A CN 201710318153A CN 106983932 A CN106983932 A CN 106983932A
Authority
CN
China
Prior art keywords
cap body
sleeve pipe
groove
elastomeric element
curved baffle
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.)
Pending
Application number
CN201710318153.4A
Other languages
Chinese (zh)
Inventor
崔玉合
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201710318153.4A priority Critical patent/CN106983932A/en
Publication of CN106983932A publication Critical patent/CN106983932A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/3202Devices for protection of the needle before use, e.g. caps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/3205Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321Means for protection against accidental injuries by used needles
    • A61M5/3216Caps placed transversally onto the needle, e.g. pivotally attached to the needle base

Landscapes

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

Abstract

The present invention relates to a kind of needle cap suitable for syringe, belong to medicine equipment correlative technology field.Mainly include:Hollow cylindrical type cap body;The top of the cap body is enclosed construction, and bottom is hatch frame;The sidepiece of cap body has the first groove;The inwall of the cap body is fixedly connected by connecting plate with sleeve pipe;The top of described sleeve pipe is enclosed construction, and bottom is hatch frame;The sidepiece of sleeve pipe has the second groove;The curved baffle for closing the first groove is provided between sleeve pipe and cap body, the side of the curved baffle is fixedly connected with straight baffle plate;The opposite side of curved baffle is fixedly connected with one end of elastomeric element, and the other end of elastomeric element is fixedly connected with connecting plate;The straight baffle plate protrudes from the cap body.The present invention is by designing brand-new structure, and medical personnel are wounded by stabbing during can avoiding back set, the risk that can also avoid puncture portion from scraping plastic grain in needle cap.

Description

A kind of needle cap suitable for syringe
Technical field
It is to be related to a kind of needle cap suitable for syringe specifically the present invention relates to medicine equipment correlative technology field.
Background technology
Syringe is one of common medicine equipment.Needle cap, syringe needle, cylinder and piston are generally comprised, needle cap is buckled with syringe needle Close and coordinate.
With reference to shown in Fig. 1, existing syringe needle is followed successively by puncture portion 11, connecting portion 12, varying diameter portion 13, isometrical from top to bottom Portion 14 and male part 15.Wherein, puncture portion 11 is by connecting portion 12 and the airtight connection of varying diameter portion 13, and varying diameter portion 13 is easy to needle cap button Close, isometrical portion 14 be used for needle cap fasten during it is spacing, male part 15 is easy to syringe needle to be dismantled from cylinder.
Syringe is usually not allow needle cap to return (again after forbidding needle cap disengaging syringe needle for set in use Needle cap is fastened on syringe needle).
And it is an exception to be injected intravenously.Make up a prescription, will be made up a prescription with coyote hole because the general process of intravenous injection is included in Syringe afterwards is placed in pallet and taken in ward, then to intravenous injection of patient, finally abandons syringe.But, to keep away Exempt from syringe during be transferred to ward with coyote hole syringe needle be contaminated, operational procedure requirement must be after the completion of making up a prescription Set is carried out back, the puncture portion of syringe needle is in the closed cavity of needle cap.So medical personnel are wounded by stabbing during set is returned Risk is greatly improved.
As return set during another be a risk that, existing puncture portion 11 have sharp keen front end, return set process In, needle cap carries out relative axial movement with puncture portion 11, there is puncture portion 11 and the partly plastic particles scrub in needle cap gets off, The risk dropped in puncture portion 11., can be in advance to wearing before medical personnel are injected intravenously in ward in order to solve the problem Thorn portion 11 is emptied, and part medicament is flowed out in the presence of piston from puncture portion 11, and then ensure do not have in puncture portion 11 There is plastic grain.But the process of emptying can cause the meaningless waste of medicament, make actual injection small to the dosage in patient's body In projected dose, therapeutic effect is influenceed.
The content of the invention
The purpose of the present invention is that there is provided a kind of needle cap suitable for syringe to overcome above-mentioned the deficiencies in the prior art.This The invention structure brand-new by designing, medical personnel are wounded by stabbing during can avoiding back set, can also avoid puncture portion by pin The risk that plastic grain is scraped on cap.
In order to reach above-mentioned purpose, the present invention is adopted the following technical scheme that.
A kind of needle cap suitable for syringe, including:
Hollow cylindrical type cap body;
The top of the cap body is enclosed construction, and bottom is hatch frame;
The sidepiece of cap body has the first groove;
The inwall of the cap body is fixedly connected by connecting plate with sleeve pipe;
The top of described sleeve pipe is enclosed construction, and bottom is hatch frame;
The sidepiece of sleeve pipe has the second groove;
Be provided between sleeve pipe and cap body for close the first groove curved baffle, the side of the curved baffle with Straight baffle plate is fixedly connected;
The opposite side of curved baffle is fixedly connected with one end of elastomeric element, and the other end and the connecting plate of elastomeric element are fixed Connection;
The straight baffle plate protrudes from the cap body.
Wherein, the curved baffle is used to seal with cap body and sleeve pipe formation;The straight baffle plate is used to coordinate shape with cap body Into sealing.Meanwhile, the first groove and the second groove coincide.
It is preferred that, the elastomeric element is located between sleeve pipe and cap body.
It is preferred that, the elastomeric element is spring (being preferably stage clip).
It is preferred that, the elastomeric element is elastic adhesive tape.
It is preferred that, the radian of round angle corresponding to first groove is 150-170 °.
It is preferred that, the curved baffle, connecting plate, cap body and sleeve pipe are plastic material.
It is preferred that, the curved baffle has the first inclined-plane close to one end of elastomeric element, had on sleeve pipe and described the The second inclined-plane that one inclined plane part coordinates.
The beneficial effects of the invention are as follows:
(1) it is provided with groove in cap body and sleeve pipe so that cap body is changed into radially when returning set from moving axially relative Relative motion, it is to avoid return and existing during set stab risk and puncture portion scrapes the risk of plastic grain.
(2) curved baffle and straight baffle plate cooperatively form sealing in the presence of elastomeric element with cap body and sleeve pipe so that this Invention curved baffle on the premise of without external force is collectively forming the circle of closing with internal surface of sleeve pipe, then the present invention is fastened in existing After the isometrical portion of syringe needle, syringe needle puncture portion is in annular seal space, will not be contaminated, and meets working specification requirement.
Brief description of the drawings
Fig. 1 is the structural representation of the existing syringe needle that background section is referred in the present invention;
Fig. 2 is the structural representation of the present invention in the closed state;
Fig. 3 be in Fig. 2 A-A to sectional view;
Fig. 4 is the partial enlarged drawing at B in Fig. 3;
Fig. 5 is the structural representation of the present invention in the on state;
Fig. 6 is Fig. 5 upward view;
Wherein:
Puncture portion 11, connecting portion 12, varying diameter portion 13, isometrical portion 14, male part 15;
Cap body 21, straight baffle plate 22, curved baffle 23, sleeve pipe 24, connecting plate 25, elastomeric element 26, the first groove 27, second Groove 28, the first inclined-plane 29, the second inclined-plane 30.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:A kind of needle cap suitable for syringe, its structure as shown in figures 2-6, including:
Cap body 21, cap body 21 is hollow cylindrical structure;
The top of the cap body 21 is enclosed construction, and bottom is hatch frame;
The sidepiece of cap body 21 has the first groove 27;
The inwall of the cap body 21 is fixedly connected by 4 connecting plates 25 with sleeve pipe 24;
The top of described sleeve pipe 24 is enclosed construction, and bottom is hatch frame;
The sidepiece of sleeve pipe 24 has the second groove 28;
The passage that first groove 27 and the second groove 28 enter inside cap body 21 as syringe needle puncture portion jointly.
The curved baffle 23 for closing the first groove 27, the curved baffle are provided between sleeve pipe 24 and cap body 21 23 side (exposed side) is fixedly connected with straight baffle plate 22;The opposite side of curved baffle 23 is fixed with one end of elastomeric element 26 to be connected Connect, the other end of elastomeric element 26 is fixedly connected with connecting plate 25.
The straight baffle plate 22 protrudes from the cap body 21, convenient to apply external force to straight baffle plate 22.
Referring again to shown in Fig. 3, the left lower of the curved baffle 23 is used to cooperatively form with the left part of sleeve pipe 24 Sealing;The right upper portion of curved baffle 23 is used to cooperatively form sealing with the inwall of cap body 21;The lower right side of curved baffle 23 Sealing is cooperatively formed for the right part with sleeve pipe 24.
Referring again to shown in Fig. 4 and Fig. 6, the lower right side of curved baffle 23 has the first inclined-plane 29, and the first inclined-plane 29 is leaned on Nearly elastomeric element 26;The right side of sleeve pipe 24 has the second inclined-plane 30, and the second inclined-plane 30 is adapted with the first inclined-plane 29.
Elastomeric element 26 is located between sleeve pipe 24 and cap body 21.The need for difference, elastomeric element 26 can be (excellent for spring Elect stage clip as), or elastic adhesive tape.
Meanwhile, the radian of round angle corresponding to first groove 27 is 150-170 °.
For can deformation and with from the point of view of preferable toughness, the curved baffle 23, connecting plate 25, cap body 21 and Sleeve pipe 24 is plastic material.
With reference to shown in Fig. 2-4, on the premise of no external force, elastomeric element 26 applies elastic force to curved baffle 23, then arc The left lower of shape baffle plate 23 just contacts to form sealing with the left end of sleeve pipe 24, lower right side and the sleeve pipe 24 of curved baffle 23 Right-hand member formation sealing, right upper portion and the formation of cap body 21 of curved baffle 23 are sealed.Again because curved baffle 23 and straight baffle plate 22 It is fixedly connected, so the left side of straight baffle plate 22 is in contact to form sealing with the left side of cap body 21.So far, the inwall of curved baffle 23 Closed circle is collectively forming with the inwall of sleeve pipe 24.
Then puncture portion 11 is just completely encapsulated in closed cavity by the present invention after being placed in isometrical portion 14.
Before making up a prescription, the present invention is removed from syringe needle, then is made up a prescription.With reference to shown in Fig. 3, after the completion of making up a prescription, the right hand palm The heart grips cap body 21, and hand thumb applies clockwise power to straight baffle plate 22, and phase just occurs for the first inclined-plane 29 and the second inclined-plane 30 To sliding, then straight baffle plate 22 just compresses elastomeric element 26, and curved baffle 23 enters between cap body 21 and sleeve pipe 24, then second leads to Groove 28 is exposed, and shows the open state shown in Fig. 6.
Then, left hand holds pin, and right hand transverse shifting makes puncture portion 11 pass through the first groove 27 and the second groove 28, then use The bottom of cap body 21 is fastened in the isometrical portion 14 of syringe needle by power, then unclamps the right hand.After loosing one's grip, put on straight baffle plate 22 External force disappear, straight baffle plate 22 return in the presence of elastomeric element 26 shows the sealing state shown in Fig. 2-4 again.
Now, syringe is carried to ward, is then removed the present invention, is injected intravenously.After the completion of intravenous injection, Present invention connection syringe is abandoned in the lump.
The present invention is for existing needle cap, and innovation is:
(1) the creative side wall designed in cap body 21 has the structure of opening, cap body 21 is moved radially card It is fixed on syringe needle, during moving radially, the puncture portion of syringe needle reaches sleeve pipe 24 after the first groove 27 and the second groove 28 Do not contacted in center, but syringe needle puncture portion moving process with sleeve pipe 24, cap body 21, curved baffle 23 and straight baffle plate 22, Neng Goubao Hold the cleaning of puncture portion.
(2) avoid in the prior art, because syringe needle is scraped with stabbing present in needle cap relative axial movement and syringe needle Wipe the risk of needle cap inwall.
(3) curved baffle 23 is closed automatically after set is returned so that syringe needle puncture portion is from the mistake shifted with coyote hole to ward All the time air-tight state is in journey, syringe needle can be avoided to be contaminated.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and feature Most wide scope.

Claims (7)

1. a kind of needle cap suitable for syringe, it is characterised in that including:
Hollow cylindrical type cap body;
The top of the cap body is enclosed construction, and bottom is hatch frame;
The sidepiece of cap body has the first groove;
The inwall of the cap body is fixedly connected by connecting plate with sleeve pipe;
The top of described sleeve pipe is enclosed construction, and bottom is hatch frame;
The sidepiece of sleeve pipe has the second groove;
The curved baffle for closing the first groove, the side of the curved baffle and straight gear are provided between sleeve pipe and cap body Plate is fixedly connected;
The opposite side of curved baffle is fixedly connected with one end of elastomeric element, and the other end of elastomeric element is fixed with connecting plate to be connected Connect;
The straight baffle plate protrudes from the cap body.
2. needle cap according to claim 1, it is characterised in that the elastomeric element is located between sleeve pipe and cap body.
3. needle cap according to claim 1, it is characterised in that the elastomeric element is spring (being preferably stage clip).
4. needle cap according to claim 1, it is characterised in that the elastomeric element is elastic adhesive tape.
5. needle cap according to claim 1, it is characterised in that the radian of round angle corresponding to first groove is 150- 170°。
6. needle cap according to claim 1, it is characterised in that the curved baffle, connecting plate, cap body and sleeve pipe are modeling Expect material.
7. needle cap according to claim 1, it is characterised in that the curved baffle has the close to one end of elastomeric element There is the second inclined-plane coordinated with first inclined plane part on one inclined-plane, sleeve pipe.
CN201710318153.4A 2017-05-08 2017-05-08 A kind of needle cap suitable for syringe Pending CN106983932A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710318153.4A CN106983932A (en) 2017-05-08 2017-05-08 A kind of needle cap suitable for syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710318153.4A CN106983932A (en) 2017-05-08 2017-05-08 A kind of needle cap suitable for syringe

Publications (1)

Publication Number Publication Date
CN106983932A true CN106983932A (en) 2017-07-28

Family

ID=59417533

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710318153.4A Pending CN106983932A (en) 2017-05-08 2017-05-08 A kind of needle cap suitable for syringe

Country Status (1)

Country Link
CN (1) CN106983932A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030130622A1 (en) * 2002-01-10 2003-07-10 Spencer Tsai Simply and easily used safety syringe cap
US20080097342A1 (en) * 2006-07-03 2008-04-24 Vadim Alexander Gordin Cover/sheath for a needle and method of resheathing a used needle
US20100152670A1 (en) * 2008-12-17 2010-06-17 Tzu-Yi LOW Safety needle cap for syringe
CN102421470A (en) * 2009-05-06 2012-04-18 迪士宝美科有限公司 Pivotable needle protector
JP2012085918A (en) * 2010-10-21 2012-05-10 Yoshino Kogyosho Co Ltd Needle cover of syringe
CN203970402U (en) * 2014-07-24 2014-12-03 温州市高德医疗器械有限公司 Vacuum test tube
CN205252232U (en) * 2015-12-23 2016-05-25 中国人民解放军第三军医大学第一附属医院 Prevent back cover and stab syringe needle cap
CN205319415U (en) * 2015-12-23 2016-06-15 刘银焊 Waterproof supply socket that uses
CN205432402U (en) * 2015-12-04 2016-08-10 陈梦飞 Rotation type safety pin
CN206131937U (en) * 2016-09-22 2017-04-26 深圳市中正测绘科技有限公司 Telescopic measuring stick

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030130622A1 (en) * 2002-01-10 2003-07-10 Spencer Tsai Simply and easily used safety syringe cap
US20080097342A1 (en) * 2006-07-03 2008-04-24 Vadim Alexander Gordin Cover/sheath for a needle and method of resheathing a used needle
US20100152670A1 (en) * 2008-12-17 2010-06-17 Tzu-Yi LOW Safety needle cap for syringe
CN102421470A (en) * 2009-05-06 2012-04-18 迪士宝美科有限公司 Pivotable needle protector
JP2012085918A (en) * 2010-10-21 2012-05-10 Yoshino Kogyosho Co Ltd Needle cover of syringe
CN203970402U (en) * 2014-07-24 2014-12-03 温州市高德医疗器械有限公司 Vacuum test tube
CN205432402U (en) * 2015-12-04 2016-08-10 陈梦飞 Rotation type safety pin
CN205252232U (en) * 2015-12-23 2016-05-25 中国人民解放军第三军医大学第一附属医院 Prevent back cover and stab syringe needle cap
CN205319415U (en) * 2015-12-23 2016-06-15 刘银焊 Waterproof supply socket that uses
CN206131937U (en) * 2016-09-22 2017-04-26 深圳市中正测绘科技有限公司 Telescopic measuring stick

Similar Documents

Publication Publication Date Title
US20200331687A1 (en) Outer cover of a pen needle for a drug delivery pen
MX2014000299A (en) Flange extender for use with an injection device and method of assembly.
CN103732277A (en) Injeciton apparatus with needle housing for desensitising skin
US6613024B1 (en) Single hand controlled dosage syringe
CN210472732U (en) Medicine device is spouted with internal medicine to tuberculosis prevention and cure
CN207928549U (en) A kind of novel injector
CN106983932A (en) A kind of needle cap suitable for syringe
JP2006501945A5 (en)
JP6917493B2 (en) Syringe assembly
CN107149712A (en) A kind of novel injector
CN203971079U (en) Disconnection-preventing syringe
CN206285317U (en) A kind of Tip protection lid and syringe
CN216963225U (en) Essential oil intranasal inhaler
CN205964631U (en) Syringe pushes away liquid column plug assembly
CN106377819A (en) Auto-destruct syringe with affiliated bag type containing cavity
CN204170223U (en) Self-service filling gun
CN206051506U (en) A kind of bottle opener for ampoule bottles
CN207430233U (en) A kind of medical treatment department of anesthesia drug dose adjuster
CN205586318U (en) Injector
CN207898721U (en) Medical enema packet
JP3419925B2 (en) One-chamber container combined syringe
CN205494403U (en) Liquid medicine dispensing device
CN209137612U (en) A kind of anesthesia liquid quantitative injection device
CN209644963U (en) A kind of biopsy hole cock cap
CN217014952U (en) Insulin pen needle detacher

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170728

WD01 Invention patent application deemed withdrawn after publication