CN203447589U - Special nozzle for needleless injector - Google Patents
Special nozzle for needleless injector Download PDFInfo
- Publication number
- CN203447589U CN203447589U CN201320567672.1U CN201320567672U CN203447589U CN 203447589 U CN203447589 U CN 203447589U CN 201320567672 U CN201320567672 U CN 201320567672U CN 203447589 U CN203447589 U CN 203447589U
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- China
- Prior art keywords
- nozzle
- shower nozzle
- needleless injector
- annular groove
- hole
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Abstract
The utility model relates to a special nozzle for a needleless injector. The nozzle comprises a nozzle main body (1) and an irregular space ring (2) applicable to the nozzle, wherein the nozzle main body (1) consists of a spray head (3) and a conical rear end part (4); the conical rear end part (4) is gradually narrowed toward the small-diameter spray head (3); the irregular space ring (2) is arranged on the spray head (3) and is matched with the spray head (3); an annular groove (6) is formed in the top end of the conical rear end part (4); a stop device is arranged on the inner wall of the annular groove (6). The stop device is destroyed after being used once, so that secondary use is prevented to avoid cross infection.
Description
Technical field
This utility model relates to the consumptive material of needleless injector, refers more particularly to a kind of jet element that is 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 has been to eliminate the fear of the person of being injected to syringe needle, eliminated pain, can save half vaccine consumption, the multiple injection system of good absorption: Intradermal, subcutaneous, intramuscular, simultaneously easily, also there is the problem in practical operation, in most of Needleless injection processes due to syringe in low pressure needleless state hemostasis in human body or animal body, how can be expelled to accurately Intradermal or intramuscular, how to prevent that medicine from splashing, how to prevent that secondary utilization from avoiding cross infection etc. is the problem existing in operation at present, except pistol type needleless injector is for human body or animal body intradermal injection, also apply to beauty treatment or dental field, because the rifle head of syringe own is dumb, inapplicable beauty treatment or dentistry.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of secondary utilization, applied widely, nozzle that is exclusively used in needleless injector that can accurately be expelled to Intradermal or muscle of preventing.
In order to solve the problems of the technologies described above, this utility model provides a kind of nozzle that is exclusively used in needleless injector, it comprises nozzle body and is applicable to the irregular spacer ring of this nozzle, described irregular spacer ring is arranged on shower nozzle and is suitable with shower nozzle, described irregular spacer ring is sucked type protector, described sucked type protector is by dish type lid and be arranged in dish type lid and form with the suitable tubular lid of shower nozzle, 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 comprised of shower nozzle and conical rearward end, described conical rearward end narrows down successively to minor diameter shower nozzle, in described conical rearward end, be set to cone-shaped cavity passage, on conical rearward end top, be provided with annular groove, annular groove is slit into O type ring by conical rear end part, 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 further improvement of the utility model, described shower nozzle is provided with narrow spray-hole, and the aperture of described narrow spray-hole is 0.1-0.2 millimeter.
As further improvement of the utility model, nozzle body is arranged with outward to the ridge of shower nozzle longitudinal extension and the dark groove that replaces with ridge.
Compared with prior art, the utlity model has following advantage.
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 using once, when if user reuses, stop device in use cannot be fixed with the bracket of pistol type needleless injector, there will not be the sound that shows that stop device is unmovable, just represents that this nozzle was used, thereby prevent that secondary from being used, and avoids cross infection.
Described irregular spacer ring is arranged on shower nozzle and is suitable with shower nozzle, described irregular spacer ring is sucked type protector, sucked type protector is by dish type lid and be arranged in dish type lid and form with the suitable tubular lid of shower nozzle, 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 approaching the position of skin, the liquid spraying under high speed pressure do not have parts to block, medicinal liquid is easy to splash, waste medicinal liquid, the design of sucked type can prevent that liquid medicine from splashing, on the other hand, the structure of sucked type can be fixed on nozzle the position that needs injection, be difficult for sliding, play firm effect, also have when syringe approaches patient skin, because contact area is larger, can allow patient 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, makes to spray medicinal liquid and is vaporific, is convenient to penetrate human body skin.
Nozzle body be arranged with outward to the ridge of 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 this utility model nozzle.
Fig. 2 is the A-A direction cutaway view of this utility model nozzle.
Fig. 3 is the front view of this utility model nozzle.
Fig. 4 is the top view of this utility model nozzle.
Fig. 5 is spacer ring axonometric chart in this utility model nozzle and embodiment mono-.
Fig. 6 is spacer ring axonometric chart in this utility model nozzle and embodiment bis-.
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Embodiment mono-.
As Figure 1-5, a kind of nozzle that is 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 comprised of shower nozzle 3 and conical rearward end 4, described conical rearward end 4 narrows down successively to minor diameter shower nozzle 3, nozzle body 1 is outer to be arranged with to the ridge 11 of shower nozzle 3 longitudinal extensions with the dark groove 12 that ridge replaces and to have facilitated the hand-held control of nozzle, and 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 be arranged in dish type lid 8-1 and form with the suitable tubular lid 8-2 of shower nozzle 3; tubular lid 8-2 is provided with the circular hole 10-1 discharging for narrow spray-hole 9, and described tubular lid 8-2 is arranged on shower nozzle 3 and is suitable with shower nozzle 3.
In described conical rearward end 4, be set to cone-shaped cavity passage 5, on conical rearward end 4 tops, be provided with annular groove 6, annular groove 6 is divided into O type ring by conical rearward end 4, described annular groove 6 inwalls are 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 inwalls, annular groove 6 receives sleeve pipe in pistol type needleless injector, spiral flange 7 stretches out with acute angle from the inwall of annular groove 6, the longitudinal extension groove of inwall allows the deflection 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 to patient's outer skin, the liquid of discharging from bracket is by cone-shaped cavity passage 5, by narrow spray-hole 9, discharge, narrow spray-hole 9 is discharged vaporific medicinal liquid by tubular lid 8-2, the liquid splashing is stayed in dish type lid 8-1.
Different according to injection site in injection process, nozzle and spacer ring are apart from scalable, if spacer ring departs from the position that is set in shower nozzle 3, injecting liquid drug is at patient's Intradermal, parallel if spacer ring is set in the position of shower nozzle 3, and injecting liquid drug is at patient's muscle position.
In the ridge radially extending 11 replacing of the outlet side shower nozzle 3 of nozzle body 1 and dark groove 12 injection point region around promptly, after per injection completes, nozzle is grasped between thumb and forefinger and rotates in a counter-clockwise direction, extend into the engagement edge of a knife that can cut off stop device, nozzle makes stop device end at its thinner end at the continuous rotation of equidirectional, stop device is stayed in annular groove 6 notches, when nozzle is removed, stop device drops out from the notch of annular groove 6, stop device provides the indication that can hear, show that nozzle was not used, if used, there is not stop device, just do not have for nozzle the rotational resistance on bracket, do not have to provide and show the indication that can hear yet, thereby reach the object that prevents that secondary from being used.
Embodiment bis-.
As Fig. 1, 2, 3, 4 and Fig. 6 shown in, other structures and embodiment are identical with embodiment mono-, a kind of nozzle that is 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 comprised of shower nozzle 3 and conical rearward end 4, described conical rearward end 4 narrows down successively to minor diameter shower nozzle 3, nozzle body 1 is outer to be arranged with to the ridge 11 of shower nozzle 3 longitudinal extensions with the dark groove 12 that ridge replaces and to have facilitated the hand-held control of nozzle, 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 semi-enclosed tubular lid 8-3, and tubular lid 8-3 top is provided with the circular hole 10-2 discharging for narrow spray-hole 9.
In described conical rearward end 4, be set to cone-shaped cavity passage 5, on conical rearward end 4 tops, be provided with annular groove 6, annular groove 6 is divided into O type ring by conical rearward end 4, described annular groove 6 inwalls are 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 inwalls, annular groove 6 receives sleeve pipe in pistol type needleless injector, spiral flange 7 stretches out with acute angle from the inwall of annular groove 6, the longitudinal extension groove of inwall allows the deflection 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 to 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 by silica gel material, the liquid of discharging from bracket is by cone-shaped cavity passage 5, by narrow spray-hole 9, discharge, narrow spray-hole 9 is discharged vaporific medicinal liquid by circular hole 10-2.
Foregoing is example of the present utility model and explanation; but do not mean that the obtainable advantage of this utility model is so limited, may be to wherein one or more of the advantage realizing in the simple transformation of structure and/or some embodiments all in the application's protection domain in every this utility model practice process.
Claims (6)
1. a nozzle that is exclusively used in 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 comprised of shower nozzle (3) and conical rearward end (4), described conical rearward end (4) narrows down 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), in described conical rearward end (4), be set to cone-shaped cavity passage (5), on conical rearward end (4) top, be provided with annular groove (6), annular groove (6) is divided into O type ring by conical rearward end (4), described annular groove (6) inwall is provided with stop device.
2. the nozzle that is exclusively used in needleless injector according to claim 1, is characterized in that: described stop device is with the outward extending spiral flange of acute angle 10-15 degree (7) from annular groove (6) inwall.
3. the nozzle that is 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.
4. the nozzle that is exclusively used in needleless injector according to claim 1; it is characterized in that: described irregular spacer ring (2) is sucked type protector; described sucked type protector is by dish type lid (8-1) and be arranged in dish type lid (8-1) and form with the suitable tubular lid (8-2) of shower nozzle (3), and tubular lid (8-2) is provided with the circular hole (10-1) for narrow spray-hole (9) discharge.
5. the nozzle that is exclusively used in needleless injector according to claim 1, is characterized in that: described irregular spacer ring (2) is semi-enclosed tubular lid (8-3), and tubular lid (8-3) top is provided with the circular hole (10-2) of discharging for narrow spray-hole (9).
6. the nozzle that is exclusively used in needleless injector according to claim 1, its feature exists
In: outside nozzle body (1), be arranged with to the ridge (11) of shower nozzle (3) longitudinal extension and the dark groove (12) replacing with ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567672.1U CN203447589U (en) | 2013-09-13 | 2013-09-13 | Special nozzle for needleless injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567672.1U CN203447589U (en) | 2013-09-13 | 2013-09-13 | Special nozzle for needleless injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203447589U true CN203447589U (en) | 2014-02-26 |
Family
ID=50127496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567672.1U Expired - Lifetime CN203447589U (en) | 2013-09-13 | 2013-09-13 | Special nozzle for needleless injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203447589U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432654A (en) * | 2013-09-13 | 2013-12-11 | 江苏丞宇米特医疗科技有限公司 | Special nozzle for needleless injector |
| CN105498047A (en) * | 2016-01-14 | 2016-04-20 | 江苏丞宇米特医疗科技有限公司 | Low-pressure needle-free injection device |
-
2013
- 2013-09-13 CN CN201320567672.1U patent/CN203447589U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103432654A (en) * | 2013-09-13 | 2013-12-11 | 江苏丞宇米特医疗科技有限公司 | Special nozzle for needleless injector |
| CN103432654B (en) * | 2013-09-13 | 2016-03-09 | 江苏丞宇米特医疗科技有限公司 | A kind of nozzle being exclusively used in needleless injector |
| CN105498047A (en) * | 2016-01-14 | 2016-04-20 | 江苏丞宇米特医疗科技有限公司 | Low-pressure needle-free injection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |