CN202751650U - Micro-trauma injection needle - Google Patents
Micro-trauma injection needle Download PDFInfo
- Publication number
- CN202751650U CN202751650U CN 201220394856 CN201220394856U CN202751650U CN 202751650 U CN202751650 U CN 202751650U CN 201220394856 CN201220394856 CN 201220394856 CN 201220394856 U CN201220394856 U CN 201220394856U CN 202751650 U CN202751650 U CN 202751650U
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- concave surface
- needle
- needle point
- vulnus
- outlet hole
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Abstract
The utility model provides a micro-trauma injection needle, belongs to the technical field of medical instruments, and resolves the problem that a small piece of skin and flesh is cut when an existing needle is pierced into the skin of a human body. The micro-trauma injection needle comprises a tubular needle rod and a needle tip located at the end portion of the needle rod, wherein the needle rod and the needle tip are manufactured integrally, the needle tip is in a conical pipe shape, a recede concave face is arranged at the lateral portion of the needle tip, the lateral walls of the recede concave face and the needle tip and/or the lateral walls of the connection positions of the recede concave face, the needle tip and the needle rod are all in smooth transition, and the recede concave face is provided with a medicine outlet communicated with a cavity of the needle tip. The micro-trauma injection needle has the advantages of being free of cutting injury to tissue of the human body, and safe to use.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of injection needle, particularly a kind of low-vulnus syringe needle.
Background technology
The needle point of existing human injection's syringe needle all is to wear into an inclined-plane and consist of in the front end-grain cutting of the needle body of thin light-wall pipe.The needle point of this form is because inwall and the inclined-plane of needle point latter half still consists of sharp sword, can cut off the skin and flesh tissue of process.Therefore, existing needle for injection all exist in use may cut away one straight through being equivalent to the syringe needle endoporus skin and flesh tissue and input situation in the body.Although this phenomenon do not noted by people for many years, and do not mean that and be safe from harm.For intramuscular injection, the needle point cutting edge is meat fiber, neural cutting, the hard furuncle of the subcutaneous easy formation in injection site after the withdraw of the needle, will stay micropore, and is hemorrhage and to dye the probability of sense larger; If the vein loading, also may may be cut open the human injuries such as blood vessel by fritter skin and flesh input blood vessel, needle point cutting edge that own blood is supported, not talkative do not have hidden danger.
For this situation, people have recognized this deficiency, and carry out improvement, a kind of Painless syringe needle [application number: 02223051.3 that openly proposes such as the Chinese patent literature data; Granted publication number: CN 2555036Y], it comprises that backshank, hollow needle tube, needle point form, cylindrical needle tubing and conical syringe needle joint portion are provided with medicine outlet hole.But because this medicine outlet hole is arranged on the joint portion of cylindrical needle tubing and conical syringe needle, therefore, the needle point inner chamber of medicine outlet hole and conical syringe needle also leaves a splaying, and liquid medicine or impurity are rested in this gap, pollutes thereby cause to be difficult to clean.
For this situation, people have recognized this deficiency, improve again a kind of Painless syringe needle [application number: 03214818.6 that openly proposes such as the Chinese patent literature data; Granted publication number: CN2605861Y], the tip of its syringe needle is comprised of the scalene cone of two symmetries, is respectively equipped with the perforation that is communicated with the hollow tube of syringe needle on each scalene cone.Since this perforation establish with scalene cone on, when Painless syringe needle penetrated in the skin of human body, the part opening direction of the perforation on the scalene cone thrust the direction of skin over against syringe needle, still existed fritter skin and flesh cutting, had certain potential safety hazard.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of low-vulnus syringe needle that tissue generation cutting damage is not had safe handling.
The purpose of this utility model can realize by following technical proposal: a kind of low-vulnus syringe needle, comprise the shank of tubulose and be positioned at the needle point of described shank end and described shank and needle point are integrated manufacturing, described needle point is tapered tube shape, it is characterized in that, the sidepiece of described needle point has the concave surface of stepping down, the sidewall of described step down concave surface and described needle point and or the equal rounding off of sidewall of the connecting portion of described step down concave surface and described needle point and described shank, offer the medicine outlet hole that is connected with the cavity of needle point on the described concave surface of stepping down.
In the use procedure, by the skin and flesh tissue being strutted for the needle point of tapered tube shape, because medicine outlet hole is positioned at the concave surface of stepping down, the concave surface of stepping down has effectively avoided the edge of medicine outlet hole to cutting and the friction injury of the tissues such as human body skin, thereby the tissues such as skin and flesh of having stopped to be cut enter into the secondary injury to human body is caused in the human body along with injection; When adopting this low-vulnus syringe needle to make up a prescription, when being inserted into the hermetically sealed packages such as bottle stopper when needle point, because medicine outlet hole is positioned at the concave surface of stepping down, can effectively avoid medicine outlet hole to cutting and the friction of the hermetically sealed packages such as bottle stopper, relatively common low-vulnus syringe needle, stopped exfoliation that medicine outlet hole produces the cutting of the hermetically sealed packages such as bottle stopper and friction and entered in the human body along with liquid medicine and human body is caused certain harm, have use safer.
In above-mentioned low-vulnus syringe needle, it is mutually concordant with the top of the cavity of described needle point that the sidepiece of described needle point is provided with the sidewall of at least one described medicine outlet hole and this medicine outlet hole.Because the sidewall of medicine outlet hole is mutually concordant with the top of the cavity of needle point, make the liquid medicine by this low-vulnus syringe needle all can flow out the top that the impurity of having avoided liquid medicine or trace rests on the cavity of needle point by medicine outlet hole, be convenient to the cleaning to low-vulnus syringe needle.
In above-mentioned low-vulnus syringe needle, the axis of described medicine outlet hole arranges with the sidewall of described needle point is vertical.The axis of medicine outlet hole arranges with the sidewall of described needle point is vertical, when the processing medicine outlet hole, can avoid the generation of burr.
In above-mentioned low-vulnus syringe needle, the described concave surface of stepping down is positioned at the connecting portion of described needle point and described shank, and described medicine outlet hole is positioned at described needle point and needle tube body connecting portion.Medicine outlet hole is positioned at the connecting portion of needle point and shank, makes the aperture of medicine outlet hole larger, when making up a prescription, extract in the medicine bottle or in the medicine bottle speed during injection, also make simultaneously and convert more rapidly sufficient advantage of medicine.
In above-mentioned low-vulnus syringe needle, the described concave surface of stepping down is flat arc concave surface, spherical concave surface or elliposoidal concave surface.The concave surface of stepping down have advantages of can with the sidewall smooth transition of needle point, and can reduce the generation of burr when making, avoided cutting and friction injury to human skin tissue during use.
In above-mentioned low-vulnus syringe needle, the described concave surface of stepping down is planoconcave.
In above-mentioned low-vulnus syringe needle, the quantity of the described concave surface of stepping down is 1-6 and the sidepiece that is evenly distributed in described needle point, is equipped with medicine outlet hole on the described concave surface of stepping down.The sidepiece of needle point is provided with 1-6 medicine outlet hole, makes this low-vulnus syringe needle avoid cutting damage in injection the time; When making up a prescription, stop the generation of the hermetically sealed package exfoliations such as bottle stopper, also have convert medicine fully, take out prescription just thoroughly and the speed of molten medicine is accelerated.According to practical situation, the quantity of step down concave surface and medicine outlet hole can be more.
In above-mentioned low-vulnus syringe needle, the cone of described needle point point is epiconus or pyramidal point.The cone point of needle point is epiconus or pyramidal point, when low-vulnus syringe needle is inserted in the tissue such as skin of human body, can strut skin histology, is not the tissues such as cutting human body skin, has avoided the cutting damage that human body skin etc. is organized.
In above-mentioned low-vulnus syringe needle, have monocline face or many inclined-planes of inclination on the described cone point, described inclined-plane is toward the inboard inclination of cone point.Have the inclined-plane that tilts toward cone point inboard on the cone point, make the cone point sharper, can comparatively be easy to penetrate in the tissues such as skin of human body, reduced patient's pain, simultaneously by the correct grinding to the inclined-plane, can remove the burr of boring on the point.
In above-mentioned low-vulnus syringe needle, the axis projection of described medicine outlet hole is rounded, oval, water-drop-shaped or rectangle.The axis projection of medicine outlet hole is rounded, oval, water-drop-shaped or rectangle, and liquid medicine can successfully be flowed out through medicine outlet hole from the needle point inner chamber, and the axis projection shape of medicine outlet hole also can be processed into other irregular shapes.
In above-mentioned low-vulnus syringe needle, the sidewall of described shank is provided with the concave surface of stepping down, and is provided with medicine outlet hole in the described concave surface of stepping down.The sidewall of shank is provided with the concave surface of stepping down, and is provided with medicine outlet hole in the concave surface of stepping down, and can make liquid medicine enter into comparatively fast, more uniformly human body, can shorten the time of injection, has reduced patient's misery; Simultaneously, when making up a prescription, extract in the medicine bottle or in the medicine bottle speed during injection, also make simultaneously and convert more rapidly sufficient advantage of medicine.
In above-mentioned low-vulnus syringe needle, the quantity of the described concave surface of stepping down is 1-10 and the sidepiece that is evenly distributed in described shank, is equipped with medicine outlet hole on the described concave surface of stepping down.According to the actual requirements, the step down quantity of concave surface and medicine outlet hole can be designed to more.
In above-mentioned low-vulnus syringe needle, have a plurality of medicine outlet holes on the described concave surface of stepping down.A plurality of medicine outlet holes are located on the concave surface of stepping down, and when injection liquid medicine are evenly distributed; When making up a prescription, extract in the medicine bottle or in the medicine bottle speed during injection, also make simultaneously and convert more rapidly sufficient advantage of medicine.
Compared with prior art, this low-vulnus syringe needle has the following advantages:
1, be that the sidewall of tapered tube shape and needle point has the concave surface of stepping down by needle point, the concave surface of stepping down is provided with medicine outlet hole, when skin that penetrates into human body when this low-vulnus syringe needle etc. is organized, because of the stretching action of concave surface both sides tube wall to tissues such as human body skins of stepping down, add the concave surface of stepping down in allow effect, thereby avoided needle point cutting edge, needle point medicine outlet hole to the cutting of the tissues such as human body skin, friction and damaged, the patient's who has reduced pain makes faster advantage of the wound healing that stays after the injection simultaneously;
2, when adopting this low-vulnus syringe needle to be used for making up a prescription, stopped exfoliation that medicine outlet hole produces the cutting of the hermetically sealed packages such as bottle stopper, friction and entered liquid medicine even enter in the human body and human body is caused certain harm, have advantages of use safer;
3, by boring single, the many inclined-plane that has on the point toward the inboard inclination of cone point, make the cone point of circular cone body sharper, can comparatively be easy to penetrate in the tissues such as skin of human body, reduced patient's pain.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of this low-vulnus syringe needle embodiment one.
Fig. 2 is the sectional structure schematic diagram of this low-vulnus syringe needle embodiment one.
Fig. 3 is the sectional structure schematic diagram of this low-vulnus syringe needle embodiment two.
Fig. 4 is the sectional structure schematic diagram of this low-vulnus syringe needle embodiment three.
Fig. 5 is the sectional structure schematic diagram of this low-vulnus syringe needle embodiment four.
Fig. 6 is the sectional structure schematic diagram of this low-vulnus syringe needle embodiment five.
Among the figure, 1, shank; 2, needle point; 2a, the concave surface of stepping down; 2b, medicine outlet hole; 2c, epiconus; 2d, inclined-plane.
The specific embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.
Embodiment one
As illustrated in fig. 1 and 2, a kind of low-vulnus syringe needle, comprise the shank 1 of tubulose and the needle point 2 that is positioned at shank 1 end, needle point 2 is tapered tube shape, the both sides of needle point 2 have 2 concave surface 2a that step down, the concave surface 2a that steps down be the elliposoidal concave surface and step down concave surface 2a all with the equal rounding off of shank 1 sidewall, all offer the medicine outlet hole 2b that is connected with the cavity of needle point 2 on the concave surface 2a that steps down, the axis projection ovalize of its medicine outlet hole 2b.It is mutually concordant with the top of the cavity of needle point 2 that medicine outlet hole 2b is positioned at sidepiece and its sidewall of needle point 2.The axis of medicine outlet hole 2b is sidewall vertical arrange corresponding with needle point 2 all, when processing medicine outlet hole 2b, can avoid the generation of burr.The cone point of needle point 2 is epiconus 2c.
In the use procedure, the cone point is epiconus 2c, be inserted into the skin histology of human body and the skin and flesh tissue is strutted by epiconus 2c, because medicine outlet hole 2b is positioned at the concave surface 2a that steps down, the concave surface 2a that steps down has effectively avoided the edge of medicine outlet hole 2b to the cutting damage of the tissues such as human body skin, thereby the tissues such as skin and flesh of having stopped cutting damage human body in the human body along with injection enters into; When adopting this low-vulnus syringe needle to make up a prescription, when being inserted into the hermetically sealed packages such as bottle stopper when needle point 2, because medicine outlet hole 2b is positioned at the concave surface 2a that steps down, can effectively avoid the cutting of medicine outlet hole 2b to hermetically sealed packages such as bottle stoppers, relatively common low-vulnus syringe needle has been stopped medicine outlet hole 2b to the cutting of the hermetically sealed packages such as bottle stopper and the exfoliation that produces enters in the human body along with liquid medicine and human body is caused certain harm; Because the sidepiece of needle point 2 is provided with 2 medicine outlet hole 2b, have use safer, have convert medicine fully, take out prescription just thoroughly and make molten medicine speed even and molten medicine fast.
Because the sidewall of medicine outlet hole 2b is mutually concordant with the top of the cavity of needle point 2, make the liquid medicine by this low-vulnus syringe needle all can flow out the top that the impurity of having avoided liquid medicine or trace rests on the cavity of needle point 2 by medicine outlet hole 2b, be convenient to the cleaning to low-vulnus syringe needle.
The axis projection of medicine outlet hole 2b is rounded, ellipse or rectangle, and liquid medicine can be successfully flowed out through medicine outlet hole 2b from the inner chamber of needle point 2, and the axis projection shape of medicine outlet hole 2b also can be processed into other irregular shapes.
Embodiment two
The present embodiment is basic identical with structure and the principle of embodiment one, and different place is: as shown in Figure 3, a sidepiece of needle point 2 has 1 concave surface 2a that steps down, and the sidewall of the medicine outlet hole 2b on this concave surface 2a that steps down is mutually concordant with the top of the cavity of needle point 2; The other side of this needle point 2 is provided with another concave surface 2a that steps down, and this concave surface 2a that steps down is positioned at the connecting portion of needle point 2 and shank 1, and this medicine outlet hole 2b that steps down concave surface position 2a is positioned at the connecting portion of needle point 2 and shank 1.The concave surface 2a that steps down of the present embodiment is planoconcave, the equal rounding off of sidewall of planoconcave and needle point 2.
Embodiment three
The present embodiment is basic identical with structure and the principle of embodiment one, and different place is: as shown in Figure 4, a sidepiece of needle point 2 has 1 concave surface 2a that steps down, and the sidewall of the medicine outlet hole 2b on this concave surface 2a that steps down is mutually concordant with the top of the cavity of needle point 2; The other side of this needle point 2 is provided with another concave surface 2a that steps down, and this concave surface 2a that steps down is positioned at the connecting portion of shank 1 and needle point 2.
The inclined-plane 2d that has inclination on the cone point of needle point 2, inclined-plane 2d makes the cone point of needle point 2 sharper toward the inboard inclination of cone point, can comparatively be easy to penetrate in the skin histology of human body, reduce patient's pain, simultaneously by to the correct grinding of inclined-plane 2d, can remove the burr on the cone point of needle point 2.
Embodiment four
The present embodiment is basic identical with structure and the principle of embodiment two, different place is: as shown in Figure 5, the sidewall of shank 1 is provided with the concave surface 2a that steps down, step down and be provided with medicine outlet hole 2b in the concave surface 2a, can make liquid medicine enter into comparatively fast, more uniformly people's physical ability, reduce the time of injection, reduced patient's misery; Simultaneously, when making up a prescription, extract in the medicine bottle or in the medicine bottle during injection speed more convenient, also make simultaneously and convert the more fully more uniform advantage of medicine.
Embodiment five
The present embodiment is basic identical with structure and the principle of embodiment four, and different place is: as shown in Figure 6,2a has a plurality of medicine outlet hole 2b on the concave surface of stepping down.A plurality of medicine outlet hole 2b are located on the concave surface 2a that steps down, and make when making up a prescription, extract in the medicine bottle or in the medicine bottle speed during injection, also make simultaneously and convert more rapidly sufficient advantage of medicine.
Specific embodiment described herein only is to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used shank 1, needle point 2, the concave surface 2a that steps down, medicine outlet hole 2b, the terms such as epiconus 2c, inclined-plane 2d, do not get rid of the probability of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with this utility model spirit.
Claims (10)
1. low-vulnus syringe needle, comprise the shank (1) of tubulose and be positioned at the needle point (2) of described shank (1) end and described shank (1) is integrated manufacturing with needle point (2), described needle point (2) is tapered tube shape, it is characterized in that, the sidepiece of described needle point (2) has the concave surface of stepping down (2a), the sidewall of the described concave surface of stepping down (2a) and described needle point (2) and or the equal rounding off of sidewall of the described concave surface of stepping down (2a) and the connecting portion of described needle point (2) and described shank (1), offer the medicine outlet hole (2b) that is connected with the cavity of needle point (2) on the described concave surface of stepping down (2a).
2. low-vulnus syringe needle according to claim 1, it is characterized in that, it is mutually concordant with the top of the cavity of described needle point (2) that the sidepiece of described needle point (2) is provided with the sidewall of at least one described medicine outlet hole (2b) and this medicine outlet hole (2b), the vertical setting of sidewall of the axis of described medicine outlet hole (2b) and described needle point (2).
3. low-vulnus syringe needle according to claim 1, it is characterized in that, the described concave surface of stepping down (2a) is positioned at the connecting portion of described needle point (2) and described shank (1), and described medicine outlet hole (2b) is positioned at the connecting portion of described needle point (2) and shank (1).
4. according to claim 1 and 2 or 3 described low-vulnus syringe needles, it is characterized in that, the described concave surface of stepping down (2a) is flat arc concave surface, spherical concave surface, elliposoidal concave surface or is planoconcave.
5. according to claim 1 and 2 or 3 described low-vulnus syringe needles, it is characterized in that, the quantity of the described concave surface of stepping down (2a) is 1-6 and the sidepiece that is evenly distributed in described needle point (2), is equipped with medicine outlet hole (2b) on the described concave surface of stepping down (2a).
6. according to claim 1 and 2 or 3 described low-vulnus syringe needles, it is characterized in that, the cone point of described needle point (2) is epiconus (2c) or pyramidal point.
7. low-vulnus syringe needle according to claim 6 is characterized in that, has monocline face or many inclined-planes of inclination on the described cone point, and described inclined-plane (2d) is toward the inboard inclination of cone point (2c).
8. according to claim 1 and 2 or 3 described low-vulnus syringe needles, it is characterized in that, the axis projection of described medicine outlet hole (2b) is rounded, oval, water-drop-shaped or rectangle.
9. low-vulnus syringe needle according to claim 2, it is characterized in that, the sidewall of described shank (1) is provided with the concave surface of stepping down (2a), be provided with medicine outlet hole (2b) in the described concave surface of stepping down (2a), the quantity of the described concave surface of stepping down (2a) is 1-10 and the sidepiece that is evenly distributed in described shank (1).
10. according to claim 1 and 2 or 3 or 9 described low-vulnus syringe needles, it is characterized in that having a plurality of medicine outlet holes (2b) on the described concave surface of stepping down (2a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394856 CN202751650U (en) | 2012-08-10 | 2012-08-10 | Micro-trauma injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220394856 CN202751650U (en) | 2012-08-10 | 2012-08-10 | Micro-trauma injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202751650U true CN202751650U (en) | 2013-02-27 |
Family
ID=47730849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220394856 Expired - Fee Related CN202751650U (en) | 2012-08-10 | 2012-08-10 | Micro-trauma injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202751650U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764468A (en) * | 2012-08-10 | 2012-11-07 | 陈京江 | Low damage syringe needle |
| CN109009347A (en) * | 2018-07-31 | 2018-12-18 | 德清朗特医疗科技有限公司 | Puncture needle and puncture outfit |
| CN111956268A (en) * | 2020-08-11 | 2020-11-20 | 王新铮 | Full-automatic biopsy puncture device for mammary gland |
-
2012
- 2012-08-10 CN CN 201220394856 patent/CN202751650U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764468A (en) * | 2012-08-10 | 2012-11-07 | 陈京江 | Low damage syringe needle |
| CN109009347A (en) * | 2018-07-31 | 2018-12-18 | 德清朗特医疗科技有限公司 | Puncture needle and puncture outfit |
| CN109009347B (en) * | 2018-07-31 | 2024-04-05 | 德清朗特医疗科技有限公司 | Puncture needle and puncture device |
| CN111956268A (en) * | 2020-08-11 | 2020-11-20 | 王新铮 | Full-automatic biopsy puncture device for mammary gland |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20200810 |