CN106983932A - A kind of needle cap suitable for syringe - Google Patents
A kind of needle cap suitable for syringe Download PDFInfo
- 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
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
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
-
- 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
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
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.
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 |
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CN (1) | CN106983932A (en) |
Citations (10)
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 |
-
2017
- 2017-05-08 CN CN201710318153.4A patent/CN106983932A/en active Pending
Patent Citations (10)
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 |
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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 |