CN107149712A - A kind of novel injector - Google Patents
A kind of novel injector Download PDFInfo
- Publication number
- CN107149712A CN107149712A CN201710317151.3A CN201710317151A CN107149712A CN 107149712 A CN107149712 A CN 107149712A CN 201710317151 A CN201710317151 A CN 201710317151A CN 107149712 A CN107149712 A CN 107149712A
- Authority
- CN
- China
- Prior art keywords
- cap body
- sleeve pipe
- cap
- groove
- elastomeric element
- 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
- 238000010276 construction Methods 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 241000282470 Canis latrans Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010253 intravenous injection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
-
- 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
Abstract
The present invention relates to a kind of novel injector, belong to medicine equipment correlative technology field.Mainly include：Including needle cap, syringe needle, cylinder and piston.Needle cap includes cap body, and cap body is hollow cylindrical structure；The top of 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 novel injector specifically the present invention relates to medicine equipment correlative technology field.
Background technology
Syringe is one of common medicine equipment.With reference to shown in Fig. 1, syringe generally comprises needle cap 1, syringe needle 2, cylinder
3 and piston 4, needle cap 1 and the fasten and coordinate of syringe needle 2.
With reference to shown in Fig. 2, existing syringe needle, be followed successively by from top to bottom puncture portion 211, connecting portion 212, varying diameter portion 213, etc.
Footpath portion 214 and male part 215.Wherein, puncture portion 211 is by connecting portion 212 and the airtight connection of varying diameter portion 213, and varying diameter portion 213 is just
Fastened in needle cap 1, isometrical portion 214 be used for needle cap fasten during it is spacing, male part 215 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 211 have sharp keen front end, return set process
In, needle cap carries out relative axial movement with puncture portion 211, there is puncture portion 211 by under the partly plastic particles scrub in needle cap
Come, the risk dropped in puncture portion 211., can be leading before medical personnel are injected intravenously in ward in order to solve the problem
Puncture portion 211 is emptied, part medicament is flowed out in the presence of piston from puncture portion 211, and then ensure puncture portion
There is no plastic grain in 211.But the process of emptying can cause the meaningless waste of medicament, make actual injection in patient's body
Dosage is less than projected dose, influences therapeutic effect.
The content of the invention
The purpose of the present invention is that there is provided a kind of novel injector to overcome above-mentioned the deficiencies in the prior art.The present invention passes through
The brand-new structure of design, medical personnel are wounded by stabbing during can avoiding back set, can also avoid puncture portion by plastics in needle cap
The risk of particles scrub.
In order to reach above-mentioned purpose, the present invention is adopted the following technical scheme that.
A kind of novel injector, including needle cap, syringe needle, cylinder and piston；
Needle cap includes cap body, and cap body is hollow cylindrical structure；
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 for the existing syringe that background of invention part is referred to；
Fig. 2 is the structural representation of the existing syringe needle that background section is referred in the present invention；
Fig. 3 is the structural representation of the present invention；
Fig. 4 is the structural representation of needle cap in the present invention；
Fig. 5 be in Fig. 4 A-A to sectional view；
Fig. 6 is the partial enlarged drawing at B in Fig. 5；
Fig. 7 is the structural representation of the present invention in the on state；
Fig. 8 is Fig. 7 upward view；
Wherein：
Needle cap 1, syringe needle 2, cylinder 3, piston 4；
Puncture portion 211, connecting portion 212, varying diameter portion 213, isometrical portion 214, male part 215；
Needle cap 5, syringe needle 6, cylinder 7, piston 8；
Cap body 521, straight baffle plate 522, curved baffle 523, sleeve pipe 524, connecting plate 525, elastomeric element 526, the first groove
527, the second groove 528, the first inclined-plane 529, the second inclined-plane 530.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment：A kind of novel injector, its structure as shown in figures 3-8, including：
Needle cap 5, syringe needle 6, cylinder 7 and piston 8；
Needle cap 5 includes cap body 521, and cap body 521 is hollow cylindrical structure, and the top of cap body 521 is enclosed construction,
Bottom is hatch frame；
The sidepiece of cap body 521 has the first groove 527；
The inwall of the cap body 521 is fixedly connected by 4 connecting plates 525 with sleeve pipe 524；
The top of described sleeve pipe 524 is enclosed construction, and bottom is hatch frame；
The sidepiece of sleeve pipe 524 has the second groove 528；
The passage that first groove 527 and the second groove 528 enter inside cap body 521 as the puncture portion of syringe needle 6 jointly.
The curved baffle 523 for closing the first groove 527, the arc are provided between sleeve pipe 524 and cap body 521
The side (exposed side) of baffle plate 523 is fixedly connected with straight baffle plate 522；The opposite side of curved baffle 523 and the one of elastomeric element 526
End is fixedly connected, and the other end of elastomeric element 526 is fixedly connected with connecting plate 525.
The straight baffle plate 522 protrudes from the cap body 521, convenient to apply external force to straight baffle plate 522.
Referring again to shown in Fig. 5, the left lower of the curved baffle 523 is used to coordinate shape with the left part of sleeve pipe 524
Into sealing；The right upper portion of curved baffle 523 is used to cooperatively form sealing with the inwall of cap body 521；The right side of curved baffle 523
Bottom is used to cooperatively form sealing with the right part of sleeve pipe 524.
Referring again to shown in Fig. 6 and Fig. 8, the lower right side of curved baffle 523 has the first inclined-plane 529, the first inclined-plane 529
Close to elastomeric element 526；The right side of sleeve pipe 524 has the second inclined-plane 530, and the second inclined-plane 530 is adapted with the first inclined-plane 529.
Elastomeric element 526 is located between sleeve pipe 524 and cap body 521.The need for difference, elastomeric element 526 can be bullet
Spring (being preferably stage clip), or elastic adhesive tape.
Meanwhile, the radian of round angle corresponding to first groove 527 is 150 ° -170 °.
For being capable of deformation and with from the point of view of preferable toughness, the curved baffle 523, connecting plate 525, cap body
521 and sleeve pipe 524 be plastic material.
With reference to shown in Fig. 3-6, on the premise of no external force, elastomeric element 526 applies elastic force to curved baffle 523, then
The left lower of curved baffle 523 just contacts to form sealing with the left end of sleeve pipe 524, the lower right side and set of curved baffle 523
The right-hand member formation sealing of pipe 524, right upper portion and the formation of cap body 521 of curved baffle 523 are sealed.Again because curved baffle 523
It is fixedly connected with straight baffle plate 522, so the left side of straight baffle plate 522 is in contact to form sealing with the left side of cap body 521.So far, arc
The inwall of shape baffle plate 523 is collectively forming closed circle with the inwall of sleeve pipe 524.
Then puncture portion 211 is just completely encapsulated in closed cavity by the present invention after being placed in isometrical portion 214.
Before making up a prescription, the present invention is removed from syringe needle, then is made up a prescription.After the completion of making up a prescription, the right hand centre of the palm grips cap body
521, hand thumb applies clockwise power to straight baffle plate 522, and relative slip just occurs for the first inclined-plane 529 and the second inclined-plane 530,
Then straight baffle plate 522 just compresses elastomeric element 526, and curved baffle 523 enters between cap body 521 and sleeve pipe 524, then the second groove
528 are exposed, and show the open state shown in Fig. 7 and Fig. 8.
Then, left hand holds pin, and right hand transverse shifting makes puncture portion 211 pass through the first groove 527 and the second groove 528, then
Firmly the bottom of cap body 521 is fastened in the isometrical portion 214 of syringe needle, then unclamps the right hand.After loosing one's grip, straight baffle plate is put on
External force on 522 disappears, and straight baffle plate 522 return in the presence of elastomeric element 526 shows the sealing shown in Fig. 3-6 again
State.
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 521 has the structure of opening, moves radially cap body 521
It is fastened on syringe needle, during moving radially, the puncture portion of syringe needle reaches set after the first groove 527 and the second groove 528
Do not connect in the center of pipe 524, but syringe needle puncture portion moving process with sleeve pipe 524, cap body 521, curved baffle 523 and straight baffle plate 522
Touch, puncture portion can be kept to clean.
(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 523 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 novel injector, including needle cap, syringe needle, cylinder and piston；
Characterized in that, needle cap includes cap body, cap body is hollow cylindrical structure；
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. novel injector according to claim 1, it is characterised in that the elastomeric element be located at sleeve pipe and cap body it
Between.
3. novel injector according to claim 1, it is characterised in that the elastomeric element is that spring (is preferably pressed
Spring).
4. novel injector according to claim 1, it is characterised in that the elastomeric element is elastic adhesive tape.
5. novel injector according to claim 1, it is characterised in that the radian of round angle corresponding to first groove
For 150-170 °.
6. novel injector according to claim 1, it is characterised in that the curved baffle, connecting plate, cap body and sleeve pipe
It is plastic material.
7. novel injector according to claim 1, it is characterised in that the curved baffle is close to one end of elastomeric element
With the second inclined-plane having on the first inclined-plane, sleeve pipe with first inclined plane part cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317151.3A CN107149712A (en) | 2017-05-08 | 2017-05-08 | A kind of novel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317151.3A CN107149712A (en) | 2017-05-08 | 2017-05-08 | A kind of novel injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107149712A true CN107149712A (en) | 2017-09-12 |
Family
ID=59793585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710317151.3A Pending CN107149712A (en) | 2017-05-08 | 2017-05-08 | A kind of novel injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107149712A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5591134A (en) * | 1995-06-28 | 1997-01-07 | Shu; Han C. | Protective needle cover |
| US20100001475A1 (en) * | 2008-07-03 | 2010-01-07 | Robert Janian | Piston ring seal |
| US20100152670A1 (en) * | 2008-12-17 | 2010-06-17 | Tzu-Yi LOW | Safety needle cap for 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 |
| US20150273159A1 (en) * | 2012-10-30 | 2015-10-01 | Linfeng Zhang | Safety injection needle |
| 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 |
| CN207928549U (en) * | 2017-05-08 | 2018-10-02 | 崔玉合 | A kind of novel injector |
-
2017
- 2017-05-08 CN CN201710317151.3A patent/CN107149712A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5591134A (en) * | 1995-06-28 | 1997-01-07 | Shu; Han C. | Protective needle cover |
| US20100001475A1 (en) * | 2008-07-03 | 2010-01-07 | Robert Janian | Piston ring seal |
| US20100152670A1 (en) * | 2008-12-17 | 2010-06-17 | Tzu-Yi LOW | Safety needle cap for syringe |
| US20150273159A1 (en) * | 2012-10-30 | 2015-10-01 | Linfeng Zhang | Safety injection needle |
| 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 |
| CN206131937U (en) * | 2016-09-22 | 2017-04-26 | 深圳市中正测绘科技有限公司 | Telescopic measuring stick |
| CN207928549U (en) * | 2017-05-08 | 2018-10-02 | 崔玉合 | A kind of novel injector |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170912 |
|
| RJ01 | Rejection of invention patent application after publication |