CN104759007B - A kind of needle for dispensing medicine - Google Patents
A kind of needle for dispensing medicine Download PDFInfo
- Publication number
- CN104759007B CN104759007B CN201510207809.6A CN201510207809A CN104759007B CN 104759007 B CN104759007 B CN 104759007B CN 201510207809 A CN201510207809 A CN 201510207809A CN 104759007 B CN104759007 B CN 104759007B
- Authority
- CN
- China
- Prior art keywords
- needle
- feeding hole
- needle tip
- medicine feeding
- medicine
- 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.)
- Expired - Fee Related
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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
- A61M5/3286—Needle tip design, e.g. for improved penetration
-
- 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
- A61M5/329—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 characterised by features of the needle shaft
- A61M5/3291—Shafts with additional lateral openings
Abstract
The invention provides a kind of needle for dispensing medicine, belong to field of medical article technology.It solves the problems, such as that existing needle for dispensing medicine easily cuts the rubber in rubber stopper during puncture.This needle for dispensing medicine include one it is hollow be in shaft-like body, body outer surface has the shank portion of the needle tip and cylinder in cone, shank portion and the junction of needle tip are provided with the medicine feeding hole that an aperture is in strip, and the direction of medicine feeding hole aperture strip is axially consistent with body, outer surface of the body at aperture is the lateral surface of medicine feeding hole, inwall of the body at aperture is the medial surface of medicine feeding hole, use and smoothly transit between the lateral surface and medial surface at aperture, the front end of needle tip is needle tip, medicine feeding hole aperture is solid cone from the needle tip of needle tip closest approach to needle tip this section.This needle for dispensing medicine is provided simultaneously with reducing liquid waste, cleans up and the rubber in rubber stopper will not be cut into these three advantages in puncture process.
Description
Technical field
The invention belongs to field of medical article technology, is related to a kind of needle for dispensing medicine.
Background technology
It is conventional basic nursing operation that syringe aspirates the decoction in medicine bottle by syringe needle, and is done to complete treatment
Back work.
Existing syringe needle includes a body, and the body includes the shank portion in hollow form and needle tip, and on needle tip
Offer angle.Syringe needle is entered in medicine bottle in use, first passing through the closure rubber stopper that needle tip is pierced through on medicine bottle, is then passed through
The angle on needle tip is opened in extract the decoction in medicine bottle.But above-mentioned syringe needle has a problem that：Angle edge is more
Sharp, when needle tip pierces through the closure rubber stopper on medicine bottle, angle edge can cut a small amount of rubber, and the rubber being cut
Glue, which can block syringe needle or be into human body, causes potential safety hazard.
And for example double syringe needle [application numbers that portal disclosed in Chinese patent storehouse：200420000156.1；Granted publication
Number：The Y of CN 2710658], be made up of needle point, syringe needle neck, needle shaft, pinhead handle, needle point is tapered, it is interior be in hollow, both sides are set
There are two spike bores, spike bore communicates with syringe needle neck tube, syringe needle rod tube, pinhead handle one by one by the way that needle point is hollow.Above-mentioned syringe needle
By the way that spike bore is opened on needle point, to reduce the distance between spike bore and medicine bottle bottom wall, so as to reduce liquid waste
The problem of, and in actual production, needle point is made up of solid-section and hollow section two parts, and the axial length of hollow section with it is solid
It is about 0.5 between the axial length of section.But the syringe needle still has a problem：, it is necessary to pin after syringe needle is processed and formed
Head is internal to be rinsed so that syringe needle madial wall keeps clean.But above-mentioned spike bore is opened in hollow section, causes needle point
On hollow section or some surrounded by needle tip wall, and cleaning when cleaning fluid from pinhead handle enter and directly from spike bore
Place's outflow, causes cleaning fluid not cleaned well to needle point.
The content of the invention
The purpose of the present invention is above mentioned problem be present for existing technology, it is proposed that one kind is provided simultaneously with reducing decoction wave
Take, clean up and the rubber in rubber stopper will not be cut in puncture process the needle for dispensing medicine of these three advantages.
The purpose of the present invention can be realized by following technical proposal：A kind of needle for dispensing medicine, including one is hollow in shaft-like
Body, described body outer surface have in cone needle tip and cylinder shank portion, it is characterised in that it is described
Shank portion and the junction of needle tip are provided with the medicine feeding hole that an aperture is in strip, and the direction of described medicine feeding hole aperture strip
Axially consistent with described body, the outer surface of described body at described aperture is the outside of described medicine feeding hole
Face, inwall of the described body at described aperture are the medial surface of described medicine feeding hole, described outer at described aperture
Using smoothly transitting between side and described medial surface, the front end of described needle tip is needle tip, described medicine feeding hole hole
Mouthful it is solid cone from the needle tip of described needle tip closest approach to needle tip this section.
This needle for dispensing medicine is used cooperatively using with syringe.In use, syringe needle is pierced through on medicine bottle by needle tip
Closure rubber stopper enter in medicine bottle, then syringe extracts the decoction in medicine bottle by medicine feeding hole.
First by setting medicine feeding hole to be located at shank portion and the junction of needle tip, reduce between medicine feeding hole and medicine bottle bottom wall
Distance, to increase the uptake of decoction, so as to reduce due to extract less than and cause the amount of the waste of medicine bottle inner liquid medicine；Its
It is secondary, from the needle tip of needle tip closest approach to needle tip this section it is solid by setting medicine feeding hole aperture, i.e., medicine feeding hole is opened
If to the solid-section of needle tip, the hollow section on needle tip is completely exposed outside, further reduces medicine feeding hole and medicine bottle bottom
The distance between wall, effectively reduce decoction waste, while enable again cleaning fluid contacted completely with the medial surface of needle tip into
Row cleaning, this needle for dispensing medicine is cleaned up；Needle point by medicine feeding hole aperture from needle tip closest approach to this section of needle tip
Portion is solid cone, can be past by rubber stopper in the cone of solid shape when needle tip is inserted into closure rubber stopper
Side struts, so as to reduce the contact area of rubber stopper and medicine feeding hole, at plus medicine feeding hole aperture lateral surface and medial surface it
Between using smoothly transitting prevent jagged at aperture or cutting edge, so as to the lateral surface at solid cone and medicine feeding hole aperture
Using smoothly transitting under the collective effect of both between medial surface, effectively prevent in rubber stopper in puncture process
Rubber is cut, so as to the generation for avoiding syringe needle from being blocked or the problems such as cause potential safety hazard to human body.
In above-mentioned needle for dispensing medicine, the hole edge of described medicine feeding hole is arcwall face.
I.e. in puncture process, what is contacted with rubber stopper is an arcwall face, is cut so as to completely avoid rubber stopper
Possibility；Meanwhile guiding is played a part of along being arcwall face in the hole of medicine feeding hole to cleaning fluid, with increase cleaning fluid enter into
Amount in medicine hole, it is cleaned this needle for dispensing medicine more clean, while improves the efficiency of cleaning again.
In above-mentioned needle for dispensing medicine, one end that described medicine feeding hole is located on needle tip is roughly triangular.
Using above-mentioned design, the cross-sectional area of medicine feeding hole is maximized, advantageously enters medicine feeding hole in cleaning fluid
It is interior, it is cleaned this needle for dispensing medicine cleaner.
In above-mentioned needle for dispensing medicine, one end that described medicine feeding hole is located on needle tip is substantially trapezoidal.
Using above-mentioned design, the cross-sectional area of medicine feeding hole is maximized, advantageously enters medicine feeding hole in cleaning fluid
It is interior, it is cleaned this needle for dispensing medicine cleaner.
In above-mentioned needle for dispensing medicine, the medial surface of described medicine feeding hole includes two the first medial surfaces being oppositely arranged,
Described in two first inner side gradually drawn close towards needle tip direction and close to described cone position formed one relative to
The inclined spigot surface of body axis.
When cleaning fluid is entered by medicine feeding hole, and syringe needle is cleaned in body, by setting inclined spigot surface pair
Cleaning fluid plays a part of guiding, cleaning fluid is more swimmingly entered in body, is cleaned in this needle for dispensing medicine
On the premise of more clean, the efficiency of cleaning is added.
Compared with prior art, this needle for dispensing medicine has advantages below：
1st, be located at shank portion and the junction of needle tip by setting medicine feeding hole first, reduce medicine feeding hole and medicine bottle bottom wall it
Between distance, to increase the uptake of decoction, so as to reduce due to extract less than and cause the amount of the waste of medicine bottle inner liquid medicine；Its
It is secondary, from the needle tip of needle tip closest approach to needle tip this section it is solid by setting medicine feeding hole aperture, i.e., medicine feeding hole is opened
If to the solid-section of needle tip, the hollow section on needle tip is completely exposed outside, further increases medicine feeding hole and medicine bottle bottom
The distance between wall, effectively reduce decoction waste, while enable again cleaning fluid contacted completely with the medial surface of needle tip into
Row cleaning, this needle for dispensing medicine is cleaned up.
2nd, from the needle tip of needle tip closest approach to needle tip this section it is solid by setting medicine feeding hole aperture, by pin
Hollow section on tip is completely exposed outside, makes that, when rinsing, directly horizontal high voltage can be entered to medicine feeding hole in the position of medicine feeding hole
Rinse, effectively increase the clean property of needle for dispensing medicine cleaning.
3rd, it is solid cone from the needle tip of needle tip closest approach to needle tip this section by medicine feeding hole aperture,
When needle tip is inserted into closure rubber stopper, rubber stopper can be strutted toward side in the cone of solid shape, so as to reduce rubber
The contact area of plug and medicine feeding hole, prevented at plus medicine feeding hole aperture between lateral surface and medial surface using smoothly transitting
Jagged or cutting edge at aperture is smooth so as to be used at solid cone and medicine feeding hole aperture between lateral surface and medial surface
Under the collective effect of both transition, effectively prevent the possibility for the rubber in rubber stopper being cut in puncture process, so as to
The generation for the problems such as avoiding syringe needle from being blocked or cause potential safety hazard to human body.
4th, along being arcwall face, i.e., what is contacted in puncture process with rubber stopper is an arcwall face in the hole of medicine feeding hole, so as to
It completely avoid the cut possibility of rubber stopper；Meanwhile the hole of medicine feeding hole plays the work of guiding to cleaning fluid along being arcwall face
With to increase the amount that cleaning fluid is entered in medicine feeding hole, making cleaned more clean of this needle for dispensing medicine, while improve clear again
The efficiency washed.
5th, when cleaning fluid is entered by medicine feeding hole, and syringe needle is cleaned in body, by setting inclined spigot surface
Guiding is played a part of to cleaning fluid, cleaning fluid is more swimmingly entered in body, is cleaned in this needle for dispensing medicine
It is more clean on the premise of, add the efficiency of cleaning.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the needle for dispensing medicine in embodiment one.
Fig. 2 is the right side structural representation of the needle for dispensing medicine in embodiment one.
The A-A that Fig. 3 is Fig. 1 cuts open structural representation.
The B-B that Fig. 4 is Fig. 1 cuts open structural representation.
Fig. 5 is the mplifying structure schematic diagram at C in Fig. 4.
Fig. 6 is the dimensional structure diagram of the needle for dispensing medicine in embodiment two.
In figure, 1, body；2nd, needle tip；2a, needle tip；2b, cone；3rd, shank portion；4th, medicine feeding hole；4a, lateral surface；
4b, medial surface；4b1, the first medial surface；4c, hole edge；5th, spigot surface.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in Figure 1 and Figure 4, this needle for dispensing medicine includes hollow and be in shaft-like body 1, the appearance mask of body 1
There is the shank portion 3 of the needle tip 2 and cylinder in cone, and the front end of needle tip 2 is needle tip 2a.
As shown in figure 1, shank portion 3 and the junction of needle tip 2 are provided with the medicine feeding hole 4 that an aperture is in strip, medicine feeding hole 4
With the intracavity inter-connection of body 1, and the direction of the aperture strip of medicine feeding hole 4 and body 1 are axially consistent.As shown in Fig. 2 enter medicine
The aperture of hole 4 is solid cone 2b from the needle tip 2 of needle tip 2a closest approaches to needle tip 2a this sections, i.e. medicine feeding hole 4 is opened
If to the solid-section of needle tip 2, so that the hollow section on needle tip 2 is completely exposed outside, medicine feeding hole 4 and medicine bottle are being reduced
While the distance between bottom wall is effectively to reduce the waste of decoction, enable medial surface of the cleaning fluid completely with needle tip 2 again
4b contacts are cleaned, and this needle for dispensing medicine is cleaned up.In the present embodiment, due in existing product, on needle tip 2
The ratio between the axial length of hollow section and the axial length of solid-section are about 0.5, i.e., in this needle for dispensing medicine, cone 2b axle
It is less than half to the ratio between axial length of length and needle tip 2.As shown in Fig. 2 medicine feeding hole 4 is located at the portion of needle tip 2
Split-phase is obliquely installed for the axis of body 1.
As shown in Fig. 1, Fig. 3 to Fig. 5, outer surface of the body 1 at aperture is the lateral surface 4a of medicine feeding hole 4, and body 1 is in hole
Inwall at mouthful is the medial surface 4b of medicine feeding hole 4, and is adopted at aperture between described lateral surface 4a and described medial surface 4b
With smoothly transitting.In the present embodiment, the hole of medicine feeding hole 4 is arcwall face along 4c, i.e., what is contacted with rubber stopper is an arcwall face,
So as to completely avoid the cut possibility of rubber stopper；Meanwhile the hole of medicine feeding hole 4 is arcwall face along 4c, and cleaning fluid is played and led
To effect, to increase the amount that cleaning fluid is entered in medicine feeding hole 4, make cleaned more clean of this needle for dispensing medicine, while again
Improve the efficiency of cleaning.Further optimization, as shown in figure 3, the hole of medicine feeding hole 4 is along the arc that 4c is to the outside of medicine feeding hole 4 protrusion
Shape face, so as to play a part of preferably being oriented to cleaning fluid, it is cleaned this needle for dispensing medicine more clean, while improve again
The efficiency of cleaning.
Further optimization, as shown in Figures 3 to 5, one end that medicine feeding hole 4 is located on needle tip 2 is roughly triangular, enters medicine
The medial surface 4b in hole 4 includes two the first medial surface 4b1 and one being oppositely arranged second between two first madial wall 4b1
Madial wall.Two first medial surface 4b1 gradually drawn close to the direction of needle tip 2 and close to cone 2b position formed one relative to
The inclined spigot surface 5 of the axis of body 1, to play a part of guiding to cleaning fluid, enables cleaning fluid more swimmingly to enter
In body 1, this needle for dispensing medicine be cleaned it is more clean on the premise of, add the efficiency of cleaning.As shown in figure 5, second
Madial wall is located at shank portion 3.The other shapes such as one end that medicine feeding hole 4 is located in shank portion 3 is rectangle, square.
When this needle for dispensing medicine is processed, punching press is carried out to the side of body 1 by drift knife, makes side on body 1 to body 1
Inner side turnup, medicine feeding hole 4 is formed, and the hole of medicine feeding hole 4 is that arc surface is formed by the side of body 1 is involute along 4c.
This needle for dispensing medicine is used cooperatively using with syringe.In use, syringe needle is pierced through on medicine bottle by needle tip 2
Closure rubber, enter in medicine bottle, then syringe extracts the decoction in medicine bottle by medicine feeding hole 4.
Embodiment two
The present embodiment two is essentially identical with the structure and principle of embodiment one, and different place is：As shown in fig. 6,
One end that medicine feeding hole 4 is located on needle tip 2 is substantially trapezoidal.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (5)
1. a kind of needle for dispensing medicine, including one it is hollow be in shaft-like body (1), it is in circular cone that described body (1) outer surface, which has,
The needle tip (2) of shape and the shank portion (3) of cylinder, it is characterised in that described shank portion (3) and the connection of needle tip (2)
Place is provided with the medicine feeding hole (4) that an aperture is in strip, and the direction of described medicine feeding hole (4) aperture strip and described body
(1) axial direction is consistent, and outer surface of the described body (1) at described aperture is the lateral surface of described medicine feeding hole (4)
(4a), inwall of the described body (1) at described aperture is the medial surface (4b) of described medicine feeding hole (4), described
Use and smoothly transit between described lateral surface (4a) and described medial surface (4b) at aperture, before described needle tip (2)
Hold as needle tip (2a), described medicine feeding hole (4) aperture is from described needle tip (2a) closest approach to needle tip (2a) this section
Needle tip (2) be solid cone (2b), the side on body (1) forms medicine feeding hole (4) to turnup on the inside of body (1),
A part for medicine feeding hole (4) is located at shank portion (3), and another part of medicine feeding hole (4) is located at needle tip (2).
2. needle for dispensing medicine according to claim 1, it is characterised in that the hole of described medicine feeding hole (4) is arc along (4c)
Face.
3. needle for dispensing medicine according to claim 1 or 2, it is characterised in that described medicine feeding hole (4) is located at needle tip (2)
On one end it is roughly triangular.
4. needle for dispensing medicine according to claim 1 or 2, it is characterised in that described medicine feeding hole (4) is located at needle tip (2)
On one end it is substantially trapezoidal.
5. needle for dispensing medicine according to claim 3, it is characterised in that the medial surface (4b) of described medicine feeding hole (4) includes
Two the first medial surfaces (4b1) being oppositely arranged, the first medial surface (4b1) described in two are gradually drawn close to needle tip (2) direction
And one is being formed relative to the inclined spigot surface of body (1) axis (5) close to the position of described cone (2b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207809.6A CN104759007B (en) | 2015-04-27 | 2015-04-27 | A kind of needle for dispensing medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207809.6A CN104759007B (en) | 2015-04-27 | 2015-04-27 | A kind of needle for dispensing medicine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759007A CN104759007A (en) | 2015-07-08 |
| CN104759007B true CN104759007B (en) | 2018-01-05 |
Family
ID=53641310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510207809.6A Expired - Fee Related CN104759007B (en) | 2015-04-27 | 2015-04-27 | A kind of needle for dispensing medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759007B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2634726A (en) * | 1952-01-30 | 1953-04-14 | Ralph D Hanson | Hypodermic needle |
| CN2130551Y (en) * | 1992-08-03 | 1993-04-28 | 刘悦琦 | Special medicine adding syringe needle |
| CN2772520Y (en) * | 2005-02-06 | 2006-04-19 | 江苏康宝医疗器械有限公司 | Syringe of infusion bottle |
| CN2870864Y (en) * | 2006-01-05 | 2007-02-21 | 曾平江 | Dispensing syringe needles |
| CN201441696U (en) * | 2009-06-04 | 2010-04-28 | 姜云霞 | Medical injection needle |
| CN204637186U (en) * | 2015-04-27 | 2015-09-16 | 李开雄 | A kind of needle for dispensing medicine |
-
2015
- 2015-04-27 CN CN201510207809.6A patent/CN104759007B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2634726A (en) * | 1952-01-30 | 1953-04-14 | Ralph D Hanson | Hypodermic needle |
| CN2130551Y (en) * | 1992-08-03 | 1993-04-28 | 刘悦琦 | Special medicine adding syringe needle |
| CN2772520Y (en) * | 2005-02-06 | 2006-04-19 | 江苏康宝医疗器械有限公司 | Syringe of infusion bottle |
| CN2870864Y (en) * | 2006-01-05 | 2007-02-21 | 曾平江 | Dispensing syringe needles |
| CN201441696U (en) * | 2009-06-04 | 2010-04-28 | 姜云霞 | Medical injection needle |
| CN204637186U (en) * | 2015-04-27 | 2015-09-16 | 李开雄 | A kind of needle for dispensing medicine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759007A (en) | 2015-07-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |