CN103432654B - A kind of nozzle being exclusively used in needleless injector - Google Patents
A kind of nozzle being exclusively used in needleless injector Download PDFInfo
- Publication number
- CN103432654B CN103432654B CN201310416254.7A CN201310416254A CN103432654B CN 103432654 B CN103432654 B CN 103432654B CN 201310416254 A CN201310416254 A CN 201310416254A CN 103432654 B CN103432654 B CN 103432654B
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- CN
- China
- Prior art keywords
- nozzle
- shower nozzle
- spacer ring
- aft portion
- annular groove
- Prior art date
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 25
- 230000001788 irregular Effects 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000001012 protector Effects 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000003814 drug Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 230000003796 beauty Effects 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000007918 intramuscular administration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The present invention relates to a kind of nozzle being exclusively used in needleless injector, it comprises nozzle body (1) and is applicable to the irregular spacer ring (2) of this nozzle, described nozzle body (1) is made up of shower nozzle (3) and conical aft portion (4), described conical aft portion (4) narrows successively to minor diameter shower nozzle (3), it is upper and suitable with shower nozzle (3) that described irregular spacer ring (2) is arranged at shower nozzle (3), annular groove (6) is provided with on conical aft portion (4) top, described annular groove (6) inwall is provided with stop device, stop device is destroyed after a single use, thus prevent secondary from using, avoid cross infection.
Description
Technical field
The present invention relates to the consumptive material of needleless injector, refer more particularly to a kind of jet element being exclusively used in gun type needleless injector.
Background technology
At present, pistol type needleless injector is used in human injection, the advantage of Needleless injection is to eliminate the fear of the person of being injected to syringe needle, eliminate pain, half vaccine consumption can be saved, the multiple injection system of good absorption: Intradermal, subcutaneous, intramuscular, simultaneously easily, also there is the problem in practical operation, because syringe is in low pressure needleless state hemostasis in human body or animal body in most of Needleless injection process, how can be expelled to Intradermal or intramuscular accurately, how to prevent medicine from splashing, how to prevent secondary from utilizing and avoid cross infection etc. to be Problems existing in operation at present, except pistol type needleless injector is used for human body or animal body intradermal injection, also apply to beauty treatment or dental field, because syringe rifle head own is dumb, inapplicable beauty treatment or dentistry.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind ofly prevent secondary from utilizing, applied widely, can accurate injection to the nozzle being exclusively used in needleless injector of Intradermal or muscle.
In order to solve the problems of the technologies described above, the invention provides a kind of nozzle being exclusively used in needleless injector, it comprises nozzle body and is applicable to the irregular spacer ring of this nozzle, described irregular spacer ring to be arranged on shower nozzle and suitable with shower nozzle, described irregular spacer ring is sucked type protector, described sucked type protector is by dish type lid and to be arranged in dish type lid and the tubular lid suitable with shower nozzle forms, and tubular lid is provided with the circular hole of discharging for narrow spray-hole; Described irregular spacer ring is semi-enclosed tubular lid, and tubular lid top is provided with the circular hole of discharging for narrow spray-hole;
Described nozzle body is made up of shower nozzle and conical aft portion, described conical aft portion narrows successively to minor diameter shower nozzle, cone-shaped cavity passage is set in described conical aft portion, annular groove is provided with on top, conical aft portion, conical aft part is slit into O type ring by annular groove, described annular groove inwall is provided with stop device, and described stop device is with the outward extending spiral flange of acute angle 10-15 degree from annular groove inwall.
As a further improvement on the present invention, described shower nozzle is provided with narrow spray-hole, and the aperture of described narrow spray-hole is 0.1-0.2 millimeter.
As a further improvement on the present invention, be arranged with outside nozzle body to the ridge of shower nozzle longitudinal extension and the dark groove that replaces with ridge.
Compared with prior art, the present invention has the following advantages.
Described annular groove inwall is provided with stop device, described stop device is with the outward extending spiral flange of acute angle 10-15 degree from annular groove inwall, stop device is destroyed after a single use, if when user reuses, stop device in use cannot be fixed with the bracket of pistol type needleless injector, there will not be the sound showing that stop device is unmovable, just represents that this nozzle is previously used, thus prevent secondary from using, avoid cross infection.
Described irregular spacer ring to be arranged on shower nozzle and suitable with shower nozzle, described irregular spacer ring is sucked type protector, sucked type protector is by dish type lid and to be arranged in dish type lid and the tubular lid suitable with shower nozzle forms, irregular spacer ring can also be semi-enclosed tubular lid, be set to the design of sucked type structure on the one hand in low head injection process, because medicinal liquid is liquid, if the liquid sprayed under high speed pressure does not have parts to block close to the position of skin, medicinal liquid is easy to splash, waste medicinal liquid, the design of sucked type can prevent liquid medicine from splashing, on the other hand, nozzle can be fixed on the position needing injection by the structure of sucked type, not easily slide, play firm effect, also have when syringe is close to patient skin, because contact area is larger, patient can be allowed to feel comfortably cool.
Described shower nozzle is provided with narrow spray-hole, and the aperture of described narrow spray-hole is 0.1-0.2 millimeter, is preferably set to 0.1 millimeter of aperture, and it is vaporific for making to spray medicinal liquid, is convenient to penetrate human body skin.
Be arranged with outside ridge from nozzle body to shower nozzle longitudinal extension and with the dark groove that ridge replaces, be convenient to hand-held nozzle, easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of nozzle of the present invention.
Fig. 2 is the A-A direction sectional view of nozzle of the present invention.
Fig. 3 is the front view of nozzle of the present invention.
Fig. 4 is the top view of nozzle of the present invention.
Fig. 5 is spacer ring axonometric chart in nozzle of the present invention and embodiment one.
Fig. 6 is spacer ring axonometric chart in nozzle of the present invention and embodiment two.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment one.
As Figure 1-5, a kind of nozzle being exclusively used in needleless injector, it comprises nozzle body 1 and is applicable to the irregular spacer ring 2 of this nozzle, described nozzle body 1 is made up of shower nozzle 3 and conical aft portion 4, described conical aft portion 4 narrows successively to minor diameter shower nozzle 3, be arranged with to the ridge 11 of shower nozzle 3 longitudinal extension outside nozzle body 1 and facilitate the hand-held control of nozzle with the dark groove 12 that ridge replaces, described shower nozzle 3 is provided with narrow spray-hole 9, and the aperture of described narrow spray-hole 9 is 0.1-0.2 millimeter.
Described irregular spacer ring 2 is sucked type protector, described sucked type protector is by dish type lid 8-1 and to be arranged in dish type lid 8-1 and the tubular lid 8-2 suitable with shower nozzle 3 forms, tubular lid 8-2 is provided with the circular hole 10-1 discharged for narrow spray-hole 9, and described tubular lid 8-2 to be arranged on shower nozzle 3 and suitable with shower nozzle 3;
Cone-shaped cavity passage 5 is set in described conical aft portion 4, annular groove 6 is provided with on top, conical aft portion 4, conical aft portion 4 is divided into O type ring by annular groove 6, described annular groove 6 inwall is provided with stop device, described stop device is with the outward extending spiral flange 7 of acute angle 10-15 degree from annular groove 6 inwall, annular groove 6 receives sleeve pipe in pistol type needleless injector, spiral flange 7 stretches out from the inwall of annular groove 6 with acute angle, the longitudinal extension groove of inwall allows the flexure of stop device, bracket in nozzle and needleless injector is fixed, nozzle is sealed on bracket by O type ring, again dish type lid 8-1 in sucked type protector is set on shower nozzle 3, dish type lid 8-1 is attached at patient's outer skin, the liquid of discharging from bracket passes through cone-shaped cavity passage 5, discharged by narrow spray-hole 9, narrow spray-hole 9 discharges vaporific medicinal liquid by tubular lid 8-2, the liquid splashed is stayed in dish type lid 8-1.
Different according to injection site in injection process, nozzle and spacer ring distance scalable, if spacer ring departs from the position being set in shower nozzle 3, injecting liquid drug is at the Intradermal of patient, if the position that spacer ring is set in shower nozzle 3 is parallel, injecting liquid drug is at the muscle sites of patient.
The ridge 11 extended in the radial direction replaced of the outlet side shower nozzle 3 of nozzle body 1 and dark groove 12 firmly grasp the region around injection point, after per injection completes, nozzle to be grasped between thumb and forefinger and to rotate in a counter-clockwise direction, extend into the engagement edge of a knife that can cut off stop device, nozzle makes stop device stop at its thinner end at the continuous rotation of equidirectional, stop device is stayed in annular groove 6 notch, when nozzle is removed, stop device drops out from the notch of annular groove 6, stop device provides an instruction that can hear, show that nozzle did not use, if used, there is not stop device, would not have for the rotational resistance of nozzle on bracket, the instruction providing and show to hear is not provided yet, thus reach the object preventing secondary from using.
Embodiment two.
As Fig. 1, 2, 3, shown in 4 and Fig. 6, other structures are identical with embodiment one with embodiment, a kind of nozzle being exclusively used in needleless injector, it comprises nozzle body 1 and is applicable to the irregular spacer ring 2 of this nozzle, described nozzle body 1 is made up of shower nozzle 3 and conical aft portion 4, described conical aft portion 4 narrows successively to minor diameter shower nozzle 3, be arranged with to the ridge 11 of shower nozzle 3 longitudinal extension outside nozzle body 1 and facilitate the hand-held control of nozzle with the dark groove 12 that ridge replaces, described shower nozzle 3 is provided with narrow spray-hole 9, the aperture of described narrow spray-hole 9 is 0.1-0.2 millimeter, described irregular spacer ring 2 is that semi-enclosed tubular lid 8-3, tubular lid 8-3 top is provided with the circular hole 10-2 discharged for narrow spray-hole 9.
Cone-shaped cavity passage 5 is set in described conical aft portion 4, annular groove 6 is provided with on top, conical aft portion 4, conical aft portion 4 is divided into O type ring by annular groove 6, described annular groove 6 inwall is provided with stop device, described stop device is with the outward extending spiral flange 7 of acute angle 10-15 degree from annular groove 6 inwall, annular groove 6 receives sleeve pipe in pistol type needleless injector, spiral flange 7 stretches out from the inwall of annular groove 6 with acute angle, the longitudinal extension groove of inwall allows the flexure of stop device, bracket in nozzle and needleless injector is fixed, nozzle is sealed on bracket by O type ring, again semi-enclosed tubular lid 8-3 is set on shower nozzle 3, circular hole 10-2 is attached at the narrow positions such as patient oral cavity or face, be applicable to anaesthetize in beauty treatment and dentistry, described semi-enclosed tubular lid 8-3 is made up of silica gel material, the liquid of discharging from bracket passes through cone-shaped cavity passage 5, discharged by narrow spray-hole 9, narrow spray-hole 9 discharges vaporific medicinal liquid by circular hole 10-2.
Foregoing is example of the present invention and explanation; but do not mean that the obtainable advantage of the present invention is so limited, may to wherein one or more of the advantage realized in the simple transformation of structure and/or some embodiments all in the protection domain of the application in every practice process of the present invention.
Claims (3)
1. one kind is exclusively used in the nozzle of needleless injector, it is characterized in that: it comprises nozzle body (1) and is applicable to the irregular spacer ring (2) of this nozzle, described nozzle body (1) is made up of shower nozzle (3) and conical aft portion (4), described conical aft portion (4) narrows successively to minor diameter shower nozzle (3), it is upper and suitable with shower nozzle (3) that described irregular spacer ring (2) is arranged at shower nozzle (3), cone-shaped cavity passage (5) is set in described conical aft portion (4), annular groove (6) is provided with on conical aft portion (4) top, conical aft portion (4) are divided into O type ring by annular groove (6), described annular groove (6) inwall is provided with stop device, described stop device is with the outward extending spiral flange (7) of acute angle 10-15 degree from annular groove (6) inwall, described irregular spacer ring (2) for semi-enclosed tubular lid (8-3) or described irregular spacer ring (2) be sucked type protector, tubular lid (8-3) top is provided with the circular hole (10-2) of discharging for narrow spray-hole (9), described sucked type protector is by dish type lid (8-1) and to be arranged in dish type lid (8-1) and the tubular lid (8-2) suitable with shower nozzle (3) forms, tubular lid (8-2) is provided with the circular hole (10-1) of discharging for narrow spray-hole (9), different according to injection site in injection process, nozzle and spacer ring distance scalable, if spacer ring departs from the position being set in shower nozzle (3), injecting liquid drug is at the Intradermal of patient, if the position that spacer ring is set in shower nozzle (3) is parallel, injecting liquid drug is at the muscle sites of patient.
2. the nozzle being exclusively used in needleless injector according to claim 1, is characterized in that: described shower nozzle (3) is provided with narrow spray-hole (9), and the aperture of described narrow spray-hole (9) is 0.1-0.2 millimeter.
3. the nozzle being exclusively used in needleless injector according to claim 1, is characterized in that: be arranged with outside nozzle body (1) to the ridge (11) of shower nozzle (3) longitudinal extension and the dark groove (12) that replaces with ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416254.7A CN103432654B (en) | 2013-09-13 | 2013-09-13 | A kind of nozzle being exclusively used in needleless injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416254.7A CN103432654B (en) | 2013-09-13 | 2013-09-13 | A kind of nozzle being exclusively used in needleless injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103432654A CN103432654A (en) | 2013-12-11 |
| CN103432654B true CN103432654B (en) | 2016-03-09 |
Family
ID=49686429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310416254.7A Active CN103432654B (en) | 2013-09-13 | 2013-09-13 | A kind of nozzle being exclusively used in needleless injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103432654B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592642A (en) * | 2001-10-12 | 2005-03-09 | 费尔顿国际公司 | Universal protector cap with auto-disable features for needle-free injectors |
| CN102178990A (en) * | 2010-01-08 | 2011-09-14 | 江苏华兰米特医疗科技有限公司 | Needleless injector |
| CN102921074A (en) * | 2012-11-02 | 2013-02-13 | 江苏丞宇米特医疗科技有限公司 | Novel needleless injector capable of continuously and repeatedly injecting the same liquid medicine |
| CN203447589U (en) * | 2013-09-13 | 2014-02-26 | 江苏丞宇米特医疗科技有限公司 | Special nozzle for needleless injector |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2371466C (en) * | 2002-02-12 | 2010-02-09 | Medical International Technology (Mit) Inc. | Needleless injector |
| CN2601098Y (en) * | 2003-01-15 | 2004-01-28 | 关宇阳 | Syringe |
| CA2762039C (en) * | 2009-05-28 | 2018-01-09 | Medical International Technologies (Mit Canada) Inc. | Needleless injector accessories |
-
2013
- 2013-09-13 CN CN201310416254.7A patent/CN103432654B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592642A (en) * | 2001-10-12 | 2005-03-09 | 费尔顿国际公司 | Universal protector cap with auto-disable features for needle-free injectors |
| CN102178990A (en) * | 2010-01-08 | 2011-09-14 | 江苏华兰米特医疗科技有限公司 | Needleless injector |
| CN102921074A (en) * | 2012-11-02 | 2013-02-13 | 江苏丞宇米特医疗科技有限公司 | Novel needleless injector capable of continuously and repeatedly injecting the same liquid medicine |
| CN203447589U (en) * | 2013-09-13 | 2014-02-26 | 江苏丞宇米特医疗科技有限公司 | Special nozzle for needleless injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103432654A (en) | 2013-12-11 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240327 Address after: Floor 4, Building 0020, No. 12 Xinglin Road, Taizhou City, Jiangsu Province, 225300 Patentee after: Jiangsu Baike Medical Technology Co.,Ltd. Country or region after: China Address before: No. 1 Yaocheng Avenue, Taizhou City, Jiangsu Province, 225300 Patentee before: Medical International Technologies (MIT Canada) Inc. Country or region before: China |