CN108992742A - A kind of multifunctional safe injection needle - Google Patents
A kind of multifunctional safe injection needle Download PDFInfo
- Publication number
- CN108992742A CN108992742A CN201810996272.XA CN201810996272A CN108992742A CN 108992742 A CN108992742 A CN 108992742A CN 201810996272 A CN201810996272 A CN 201810996272A CN 108992742 A CN108992742 A CN 108992742A
- Authority
- CN
- China
- Prior art keywords
- sheath
- pedestal
- needle tubing
- injection needle
- engaging portion
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (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
The invention discloses a kind of multifunctional safe injection needles, including the first needle tubing, pedestal and sheath, first needle tubing wears the pedestal, the sheath is connect with the base runner, the sheath has the bottom plate of opposite two side plates of both side plate and connection, so that the section of the sheath formed it is U-shaped, it is characterized in that, the first engaging portion is formed on the inside of the bottom plate, the second engaging portion is formed on the pedestal, when first needle tubing is located in the sheath, first engaging portion engages with second engaging portion.The first engaging portion for being used to that sheath to be made to engage with pedestal realization is set to the side plate that sheath on the bottom plate of sheath rather than is arranged in by the present invention, and then can be avoided two side plates is that backplate interspaces in advance with pedestal, to make settable smaller of the distance of two side plates, i.e., the aperture of sheath is smaller, and then keeping the shape of entire injection needle smaller, structure is more compact.
Description
Technical field
The present invention relates to medical apparatus technical field more particularly to a kind of safe injection needles with sheath.
Background technique
Well known, the needle tubing of injection needle is for being pierced into tissue, for example, be pierced into human muscle or blood vessel, with to people
Injection medicament in body tissue.Correspondingly, the needle tubing may also accidentally injure user or other people.For example, puncturing the skin of human body.It is anti-
Only needle tubing is hurted sb.'s feelings, and occurs a kind of safe injection needle in the prior art, which includes needle tubing, pedestal and sheath, wherein
Pedestal wears for needle tubing and is used to fix needle tubing, and the end of sheath is connect with base runner, and the section of sheath is U-shaped, works as sheath
When with needle tubing being substantially in parastate, needle tubing is located in sheath, at this point, sheath and pedestal form and separable engage to limit shield
Set activity exerts a force when needing makes needle tubing be pierced into tissue to sheath, so that sheath engages with pedestal releasing, and then makes needle
It manages exposed.
Safe injection needle in the prior art with sheath has following defects that
The snap-in structure of sheath and pedestal is such that the inside setting backstop of the opposite sides plate of sheath, the backstop
Body is with the wing plate being set on pedestal by abutting realization engaging.This makes:
1, sheath needs to reserve the size on larger width for backstop, so that the both side plate of sheath is formed by sheath
It is open excessive, not only increases the occupied space of sheath, and make the structure for entirely installing injection needle not compact enough.
2, both overcome backstop and the abutting of wing plate and make and release power engage and need very much, this certainly will reduce use
The usage experience of person.
Summary of the invention
For the above-mentioned technical problems in the prior art, the embodiment provides a kind of safe injection needles.
In order to solve the above technical problems, the embodiment of the present invention the technical solution adopted is that:
A kind of safe injection needle, including the first needle tubing, pedestal and sheath, first needle tubing wear the pedestal, institute
Sheath to be stated to connect with the base runner, the sheath has the bottom plate of opposite two side plates of both side plate and connection, with
It forms the section of the sheath U-shaped, the first engaging portion is formed on the inside of the bottom plate, the second knot is formed on the pedestal
Conjunction portion, when first needle tubing is located in the sheath, first engaging portion engages with second engaging portion.
Preferably, first engaging portion is engaged in a manner of grafting with second engaging portion.
Preferably, first engaging portion includes card slot, and second engaging portion includes hook, and the hook stretches to institute
Card slot is stated to form engaging.
Preferably, multiple wing plates circumferentially are formed on the pedestal, one of them is opposite with the groove position
The wing plate form the hook radially away from one end of the pedestal；
The bottom plate offers the card slot on the block integrally formed with block.
Preferably, the card slot penetrates through the bottom plate.
Preferably, the section of the hook is tapered, is formed at the notch of the card slot for hook described in backstop
Barb.
Preferably, it is formed with the first damper portion on the bottom plate, the second damper portion is formed on the pedestal, so that:
When the sheath is rotated relative to first needle tubing, first damper portion contacted with second damper portion with
Form friction.
Preferably, second damper portion is arc convex, and first damper portion is the set for being arranged the arc convex
Body；Or
First damper portion is arc convex, and second damper portion is the body for being arranged the arc convex.
Preferably, the second needle tubing is additionally provided on the pedestal, second needle tubing is located at the pedestal relative to described
The opposite one end of first needle tubing, that is, form safe blood-taking needle.
Preferably, one end opposite with first needle tubing is formed with spliced eye, head of the interface for syringe
Grafting forms safety injector.
Compared with prior art, the beneficial effect of safe injection needle of the invention is: the present invention will be used to make sheath and base
Seat realizes that the first engaging portion of engaging is set on the bottom plate of sheath rather than is arranged on the side plate of sheath, and then can be avoided
Two side plates are that backplate interspaces in advance with pedestal, to make settable smaller of the distance of two side plates, that is, the aperture of sheath is more
It is small, and then keep the shape of entire injection needle smaller, structure is more compact.In addition, engaging engaging portion is set on bottom plate, compared with setting
It is more hidden and be unfavorable for damage inactivation to set the space on sheath side plate, so that the final self-destructed effect of safety is more preferable.
Detailed description of the invention
(needle tubing is in storage shape to the structural schematic diagram for the safe injection needle that Fig. 1 provides for one embodiment of the present of invention
State).
(needle tubing is in outer dewiness to the structural schematic diagram for the safe injection needle that Fig. 2 provides for one embodiment of the present of invention
State).
Fig. 3 is the sectional view along A-A of Fig. 1 (card slot is not penetrated bottom plate).
Fig. 4 is the sectional view along A-A (card slot perforation bottom plate) of Fig. 1.
Fig. 5 is the B-B direction cross-sectional view (card slot perforation bottom plate) of Fig. 1.
Fig. 6 be another embodiment of the present invention provides safe injection needle structural schematic diagram.
Fig. 7 be another embodiment of the present invention provides safe injection needle structural schematic diagram.
In figure:
10- needle tubing；20- pedestal；21- wing plate；22- spliced eye；30- sheath；31- side plate；32- bottom plate；41- card slot；
411- barb；42- hook；43- block；51- body；52- arc convex；60- snap-gauge；The second needle tubing of 70-；80- syringe.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Formula elaborates to the present invention.
As shown in Figures 1 to 4, the embodiment provides a kind of safe injection needle, which includes first
Needle tubing 10, pedestal 20 and sheath 30.Wherein, the first needle tubing 10 is for being pierced into tissue, e.g., for being pierced into blood vessel or flesh
Meat, or for taking blood；For pedestal 20 as holding member so that the first needle tubing 10 wears and fix the first needle tubing 10, pedestal 20 can
By plastic material injection molding；Sheath 30 is for making the storage of the first needle tubing 10 wherein, to prevent the first needle tubing 10 from accidentally injuring other people, shield
30 tool of set is there are two being oppositely arranged side plate 31 and connecting the bottom plate 32 of two side plates 31, so that 30 Formation cross-section of sheath is
U-shaped structure, sheath 30 is movably connected on pedestal 20 so that the first needle tubing 10 can be accommodated in shield by rotation by sheath 30
In set 30, or keep needle tubing 10 exposed.In the present invention, first engaging portion is set in the inside of bottom plate 32, is set on pedestal 20
The second engaging portion is set, when the first needle tubing 10 is located in sheath 30, the first engaging portion is formed with the second engaging portion to be engaged.
The present invention will be used to that sheath 30 to be made to realize that the first engaging portion engaged is set to the bottom plate 32 of sheath 30 with pedestal 20
Above rather than it is arranged on the side plate 31 of sheath 30, and then can be avoided two side plates 31 is that backplate interspaces in advance with pedestal 20,
To make settable smaller of the distance of two side plates 31, that is, the aperture of sheath 30 is smaller, and then makes the shape of entire injection needle
Smaller, structure is more compact.In addition, engaging engaging portion is set on bottom plate 32, compared with being arranged on sheath side plate 31, space is more
Add hidden and be unfavorable for damage inactivation, so that the final self-destructed effect of safety is more preferable.
In a preferred embodiment of the invention, as shown in Figure 3 and Figure 4, make the first engaging portion and the second engaging portion with
The mode of grafting is engaged.In the present embodiment, two basic change portion is engaged in a manner of grafting.
In a preferred embodiment of the invention, as shown in Figure 3 and Figure 4, the first engaging portion includes card slot 41, the second knot
Conjunction portion includes hook 42, and hook 42 stretches to card slot 41 to form engaging.Preferably, circumferentially more are formed on pedestal 20
A wing plate 21, one of them wing plate 21 opposite with 41 position of card slot form hook 42 radially away from one end of pedestal 20；Bottom plate
32 integrally formed with block 43, offers card slot 41 on block 43.In the present embodiment, hook 42 engage with card slot 41 be
Better simply snap fit, in a preferred approach, wing plate 21 are used to improve the rigidity of pedestal 20, and wing plate 21 is arranged in hook 42
End, to avoid the structure that hook 42 is separately provided.
In a preferred embodiment of the invention, as shown in figure 3, card slot 41 penetrates through bottom plate 32.Preferably, hook 42
Section is tapered, and the barb 411 for backstop hook 42 is formed at the notch of card slot 41.Barb 411 can be improved hook 42
With the engaging effect of card slot 41.
In a preferred embodiment of the invention, as shown in Figure 4 and Figure 5, the first damper portion, base are formed on bottom plate 32
It is formed with the second damper portion on seat 20, which remains contact in the rotation process of sheath 30 and forms friction,
In this way, two damper portions provide certain damping for the rotation of sheath 30, so that when sheath 30 turns to any angle and can protect
It holds in the angle, is freely rotated in this way, limiting sheath 30, it is very favorable for operating injection needle for user.Preferably,
First damper portion is body 51, and the second positioning region is arc convex 52；Or first positioning region be arc convex 52, second positioning
Portion is body 51；Wherein: sheath 30 be in any angle state when, body be closely set on arc convex 52 always with
Arc convex 52 forms friction and provides damping for the rotation of sheath 30.
In another preferred embodiment of the invention, as shown in fig. 6, being additionally provided with the second needle tubing 70 on pedestal 30, the
Two needle tubings 70 are located at the one end opposite relative to the first needle tubing 10 of pedestal 30.Wherein, the first needle tubing 10 is arranged to injection needle
Structure, the second needle tubing 70 are arranged to the structure of blood collection needles.In this way, safe injection needle of the invention can pass through 10 note of the first needle tubing
It penetrates, is taken a blood sample by the second needle tubing 70.
In another preferred embodiment of the invention, as shown in fig. 7, one end opposite with the first needle tubing 10 be formed with it is slotting
Connect hole 22, interface 22 for syringe head grafting to be used cooperatively with syringe 80, at this point, the first needle tubing 10 is arranged to adopt
Blood needle head structure or injecting head structure.
In another preferred embodiment of the invention, such as Fig. 5 and as shown in connection with fig. 1, in two side plates 31 of sheath 30
On be provided with snap-gauge 60, when the first needle tubing 10 is located in sheath 30, the first needle tubing 10 can be fastened on snap-gauge, with limit shield
Set 30 separates due to the generation amount of deflection of sheath 30 or the first needle tubing 10 with the first needle tubing 10.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of safe injection needle, including the first needle tubing, pedestal and sheath, first needle tubing wears the pedestal, described
Sheath is connect with the base runner, and the sheath has the bottom plate of opposite two side plates of both side plate and connection, so that
The section of the sheath forms U-shaped, which is characterized in that the first engaging portion, shape on the pedestal are formed on the inside of the bottom plate
At there is the second engaging portion, when first needle tubing is located in the sheath, first engaging portion and second engaging portion
Engaging.
2. safe injection needle according to claim 1, which is characterized in that first engaging portion and second engaging portion
Engaged in a manner of grafting.
3. safe injection needle according to claim 2, which is characterized in that first engaging portion includes card slot, and described
Two engaging portions include hook, and the hook stretches to the card slot to form engaging.
4. safe injection needle according to claim 3, which is characterized in that
Multiple wing plates circumferentially are formed on the pedestal, one of them wing plate diameter opposite with the groove position
The hook is formed to one end far from the pedestal；
The bottom plate offers the card slot on the block integrally formed with block.
5. safe injection needle according to claim 3, which is characterized in that the card slot penetrates through the bottom plate.
6. safe injection needle according to claim 3, which is characterized in that the section of the hook is tapered, the card slot
Notch at be formed with barb for hook described in backstop.
7. safe injection needle according to claim 1, which is characterized in that be formed with the first damper portion, institute on the bottom plate
It states and is formed with the second damper portion on pedestal, so that:
When the sheath is rotated relative to first needle tubing, first damper portion is contacted with second damper portion to be formed
Friction.
8. safe injection needle according to claim 7, which is characterized in that
Second damper portion is arc convex, and first damper portion is the body for being arranged the arc convex；Or
First damper portion is arc convex, and second damper portion is the body for being arranged the arc convex.
9. safe injection needle according to claim 1, which is characterized in that be additionally provided with the second needle tubing, institute on the pedestal
It states the second needle tubing and is located at pedestal one end opposite relative to first needle tubing.
10. safe injection needle according to claim 1, which is characterized in that one end opposite with first needle tubing is formed
There are spliced eye, head grafting of the interface for syringe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996272.XA CN108992742A (en) | 2018-08-29 | 2018-08-29 | A kind of multifunctional safe injection needle |
| PCT/CN2018/117772 WO2020042398A1 (en) | 2018-08-29 | 2018-11-28 | Multifunctional safe syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996272.XA CN108992742A (en) | 2018-08-29 | 2018-08-29 | A kind of multifunctional safe injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108992742A true CN108992742A (en) | 2018-12-14 |
Family
ID=64594542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996272.XA Pending CN108992742A (en) | 2018-08-29 | 2018-08-29 | A kind of multifunctional safe injection needle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108992742A (en) |
| WO (1) | WO2020042398A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601630Y (en) * | 2003-03-05 | 2004-02-04 | 崔连智 | Disposable vein blood-taking and transfusion dual-purpose needle |
| CN103432657A (en) * | 2013-09-13 | 2013-12-11 | 扬州美德莱医疗用品有限公司 | Safe entry needle |
| CN203858554U (en) * | 2014-05-12 | 2014-10-01 | 联想(北京)有限公司 | Protective case for tablet computers |
| CN204699173U (en) * | 2015-06-19 | 2015-10-14 | 江苏康宝医疗器械有限公司 | The locking mechanism of entry needle safety guard |
| CN105179893A (en) * | 2015-10-20 | 2015-12-23 | 福建新大陆支付技术有限公司 | Rotary damper, flat plate clamping structure using damper and using method |
| CN205360156U (en) * | 2016-01-21 | 2016-07-06 | 北京天地和协科技有限公司 | Safety protection type syringe needle |
| CN209437798U (en) * | 2018-08-29 | 2019-09-27 | 江苏康宝医疗器械有限公司 | A kind of multifunctional safe injection needle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0649382T3 (en) * | 1992-05-18 | 2001-11-12 | Sims Portex Inc | Safety protection device for needles |
| US20030187398A1 (en) * | 2002-04-02 | 2003-10-02 | Becton, Dickinson And Company | Safety shield assembly |
| US7648480B2 (en) * | 2005-03-31 | 2010-01-19 | Terumo Medical Corporation | Safety needle assembly |
| US8016796B2 (en) * | 2005-05-27 | 2011-09-13 | Smiths Medical Asd, Inc. | Safety needle device with snap feature and method of making same |
| CN204033944U (en) * | 2014-08-06 | 2014-12-24 | 江苏康宝医疗器械有限公司 | The safety guard of entry needle |
| US10029049B2 (en) * | 2015-03-19 | 2018-07-24 | B. Braun Melsungen Ag | Hinged shield assemblies and related methods |
-
2018
- 2018-08-29 CN CN201810996272.XA patent/CN108992742A/en active Pending
- 2018-11-28 WO PCT/CN2018/117772 patent/WO2020042398A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601630Y (en) * | 2003-03-05 | 2004-02-04 | 崔连智 | Disposable vein blood-taking and transfusion dual-purpose needle |
| CN103432657A (en) * | 2013-09-13 | 2013-12-11 | 扬州美德莱医疗用品有限公司 | Safe entry needle |
| CN203858554U (en) * | 2014-05-12 | 2014-10-01 | 联想(北京)有限公司 | Protective case for tablet computers |
| CN204699173U (en) * | 2015-06-19 | 2015-10-14 | 江苏康宝医疗器械有限公司 | The locking mechanism of entry needle safety guard |
| CN105179893A (en) * | 2015-10-20 | 2015-12-23 | 福建新大陆支付技术有限公司 | Rotary damper, flat plate clamping structure using damper and using method |
| CN205360156U (en) * | 2016-01-21 | 2016-07-06 | 北京天地和协科技有限公司 | Safety protection type syringe needle |
| CN209437798U (en) * | 2018-08-29 | 2019-09-27 | 江苏康宝医疗器械有限公司 | A kind of multifunctional safe injection needle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042398A1 (en) | 2020-03-05 |
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