CN202844263U - Low pressure needleless injector for people - Google Patents
Low pressure needleless injector for people Download PDFInfo
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- CN202844263U CN202844263U CN 201220572421 CN201220572421U CN202844263U CN 202844263 U CN202844263 U CN 202844263U CN 201220572421 CN201220572421 CN 201220572421 CN 201220572421 U CN201220572421 U CN 201220572421U CN 202844263 U CN202844263 U CN 202844263U
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- low pressure
- injection
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Abstract
The utility model relates to the field of medical apparatus and instruments, in particular to a low pressure needleless injector for people. The low pressure needleless injector for the people comprises a trigger component, a white push rod component, an injection push rod component, an injection port component, a gun barrel part, a front cavity tube component, a handle part, a dosage adjusting knob, a dosage adjusting part, a dosage adjusting screw, a drawing tube part, a plane sealing connector, a big spring, an air valve push rod component, a push rod ferrule component and a small spring. Medicine liquid injected by the low pressure needleless injector for the people is capable of quickly spreading after being injected under skin and absorption effect is good. The low pressure needleless injector for the people has the advantages of being further suitable for group injection of the same medicine liquid, free of cross infection and needle broken risk due to the fact that a syringe needle is not used, not prone to producing medical waste such as the syringe needle, good in injection effect, fast in absorption, convenient to use, easy to operate, and capable of reducing injection risk and gaining precious time for emergency treatment, thereby improving survival probability of emergency patients.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of human low pressure needleless injector.
Background technology
Development along with science and technology, also driven the development of medical apparatus and instruments, the conventional medicine syringe with syringe needle is adopted in past contact when treating disease in the hospital now, although it still can use as a kind of medical apparatus and instruments, but there is lower following shortcoming: first, injection process needs by syringe needle, isolate the damage of formula, thereby can produce tissue injury, pain, hemorrhage tissue fibers, peripheral nerve, blood capillary generation as syringe needle meeting in thrusting the human body process of foreign body; The second, thrusting of syringe needle increased the chance that infects, and also increased patient's mental pressure; The 3rd, in injection process, there is the broken needle risk; The 4th, every annual meeting produces a large amount of medical wastes, and easily contaminated environment is processed the high and not environmental protection of cost of medical waste.
So be necessary traditional band syringe needle cartridge syringe is carried out further technological innovation.
The utility model content
The purpose of this utility model is for the defective of prior art and deficiency, provide a kind of simple in structure, human low pressure needleless injector reasonable in design, easy to use, the design of employing needleless, utilize instantaneous pressure (in 0.03～0.05 second), in 0.05 second, be expelled to medicinal liquid subcutaneous or muscle, it does not use syringe needle, without the cross infection risk, the injection good absorbing effect, can not occur broken needle phenomenon and environmental protection the joint source.
For achieving the above object, the technical solution adopted in the utility model is:
Human low pressure needleless injector described in the utility model, it comprises trigger component, white push-rod assembly, injection putter assembly, injection port assembly, gun barrel parts, front lumen assembly, handle component, dosage adjusting knob, dosage adjusting parts, dosage adjustment screw, takes out cartridge unit, flat seal joint, big spring, air valve push-rod assembly, pushing rod sleeve coil assembly and little spring, described handle component left end is provided with front lumen assembly, and right-hand member is provided with the dosage adjusting knob; Described trigger component is arranged on front lumen assembly left end; Described gun barrel parts left end links to each other with the injection port assembly, and gun barrel parts right-hand member links to each other with trigger component; Described injection putter assembly is arranged in the gun barrel parts; The described cartridge unit of taking out is arranged on the handle component in the tube chamber; Described dosage is regulated parts and is arranged on the handle component in the tube chamber, takes out the right side of cartridge unit; Described dosage adjustment screw is arranged on the dosage adjusting knob; Described white push-rod assembly is inserted under the handle component in the tube chamber; Described little spring is arranged under the handle component in the tube chamber, and left end links to each other with white push-rod assembly right-hand member, and right-hand member links to each other with pushing rod sleeve coil assembly left end; Described pushing rod sleeve coil assembly, air valve push-rod assembly and big spring are successively set under the handle component in the tube chamber; Described flat seal joint is arranged on tube chamber right-hand member under the handle component.
Further, on the described handle component handle bottom a plurality of acoustic filters are set evenly.
Further, the quantity of described acoustic filter is two.
After adopting said structure, this utility model is compared with traditional needle-based cartridge syringe, and beneficial effect is: the first, and the painless or hypodynia of clinical use liquid medicine injection, medicinal liquid enters subcutaneous rear rapid diffusion, good absorbing effect; The second, be applicable to colony's injection of same medicinal liquid; The 3rd, without cross infection; The 4th, without the broken needle risk; The 5th, without medical waste, free from environmental pollution.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Description of reference numerals:
1, trigger component; 2, white push-rod assembly; 3, injection putter assembly; 4, injection port assembly;
5, gun barrel parts; 6, front lumen assembly; 7, handle component; 8, dosage adjusting knob;
9, dosage is regulated parts; 10, dosage adjustment screw; 11, take out cartridge unit;
12, flat seal joint; 13, big spring; 14, air valve push-rod assembly;
15, pushing rod sleeve coil assembly; 16, acoustic filter; 17, little spring.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is further described.
As shown in Figure 1, human low pressure needleless injector described in the utility model, it comprises trigger component 1, white push-rod assembly 2, injection putter assembly 3, injection port assembly 4, gun barrel parts 5, front lumen assembly 6, handle component 7, dosage adjusting knob 8, dosage adjusting parts 9, dosage adjustment screw 10, takes out cartridge unit 11, flat seal joint 12, big spring 13, air valve push-rod assembly 14, pushing rod sleeve coil assembly 15 and little spring 17, described handle component 7 left ends are provided with front lumen assembly 6, and right-hand member is provided with dosage adjusting knob 8; Described trigger component 1 is arranged on front lumen assembly 6 left ends; Described gun barrel parts 5 left ends link to each other with injection port assembly 4, and gun barrel parts 5 right-hand members link to each other with trigger component 1; Described injection putter assembly 3 is arranged in the gun barrel parts 5; The described cartridge unit 11 of taking out is arranged on the handle component 7 in the tube chamber; Described dosage is regulated parts 9 and is arranged on the handle component 7 in the tube chamber, takes out the right side of cartridge unit 11; Described dosage adjustment screw 10 is arranged on the dosage adjusting knob 8; Described white push-rod assembly 2 is inserted in 7 times tube chambers of handle component; Described little spring 17 is arranged in 7 times tube chambers of handle component, and left end links to each other with white push-rod assembly 2 right-hand members, and right-hand member links to each other with pushing rod sleeve coil assembly 15 left ends; Described pushing rod sleeve coil assembly 15, air valve push-rod assembly 14 and big spring 13 are successively set in 7 times tube chambers of handle component; Described flat seal joint 12 is arranged on 7 times tube chamber right-hand members of handle component; Described acoustic filter 16 is arranged on the handle component 7 handle bottoms.
A kind of optimal way of the present utility model, described handle component evenly arranges a plurality of acoustic filters 16 on the 7 handle bottoms, and the quantity of described acoustic filter 16 is two.
Operation principle
Utilize said modules to form an airtight injecting systems, utilize CO
2Gas is as power source, the instantaneous pressure that employing produced in 0.03～0.05 second, using dosage is regulated parts and is regulated injected dose, in 0.05 second, be expelled to medicinal liquid subcutaneous or muscle by the injection port assembly again, after injection portion is finished, pressure is rapidly the decline of falling the exponential curve (dropping to normal pressure in 0.1～0.2 second), thereby reaches Needleless injection.
Medicinal liquid enters and can spread rapidly good absorbing effect after subcutaneous after this utility model injection; It also is applicable to colony's injection of same medicinal liquid; Owing to do not use syringe needle thereby without cross infection with without the broken needle risk, can not produce the medical wastes such as syringe needle.That its injection effect absorbs well is fast, easy to use, simple to operate, reduced the injection risk, also wins the quality time for first aid, thereby improves first-aid patients existence probability.
The above only is preferred embodiments of the present utility model, so all equivalences of doing according to the described structure of this utility model patent claim, feature and principle change or modify, is included in this utility model patent claim.
Claims (3)
1. human low pressure needleless injector, it is characterized in that: it comprises trigger component (1), white push-rod assembly (2), injection putter assembly (3), injection port assembly (4), gun barrel parts (5), front lumen assembly (6), handle component (7), dosage adjusting knob (8), dosage is regulated parts (9), dosage adjustment screw (10), take out cartridge unit (11), flat seal joint (12), big spring (13), air valve push-rod assembly (14), pushing rod sleeve coil assembly (15) and little spring (17), described handle component (7) left end is provided with front lumen assembly (6), and right-hand member is provided with dosage adjusting knob (8); Described trigger component (1) is arranged on front lumen assembly (6) left end; Described gun barrel parts (5) left end links to each other with injection port assembly (4), and gun barrel parts (5) right-hand member links to each other with trigger component (1); Described injection putter assembly (3) is arranged in the gun barrel parts (5); The described cartridge unit (11) of taking out is arranged in the upper tube chamber of handle component (7); Described dosage is regulated parts (9) and is arranged in the upper tube chamber of handle component (7), takes out the right side of cartridge unit (11); Described dosage adjustment screw (10) is arranged on the dosage adjusting knob (8); Described white push-rod assembly (2) is inserted under the handle component (7) in the tube chamber; Described little spring (17) is arranged under the handle component (7) in the tube chamber, and left end links to each other with white push-rod assembly (2) right-hand member, and right-hand member links to each other with pushing rod sleeve coil assembly (15) left end; Described pushing rod sleeve coil assembly (15), air valve push-rod assembly (14) and big spring (13) are successively set under the handle component (7) in the tube chamber; Described flat seal joint (12) is arranged on tube chamber right-hand member under the handle component (7).
2. human low pressure needleless injector according to claim 1, it is characterized in that: described handle component (7) evenly arranges a plurality of acoustic filters (16) on the handle bottom.
3. human low pressure needleless injector according to claim 2, it is characterized in that: the quantity of described acoustic filter (16) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572421 CN202844263U (en) | 2012-11-02 | 2012-11-02 | Low pressure needleless injector for people |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220572421 CN202844263U (en) | 2012-11-02 | 2012-11-02 | Low pressure needleless injector for people |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202844263U true CN202844263U (en) | 2013-04-03 |
Family
ID=47975509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220572421 Expired - Lifetime CN202844263U (en) | 2012-11-02 | 2012-11-02 | Low pressure needleless injector for people |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202844263U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418058A (en) * | 2013-08-22 | 2013-12-04 | 昆山振天智能化设备有限公司 | Combined handle device of needleless injector |
| CN107088250A (en) * | 2017-06-14 | 2017-08-25 | 成都尚智恒达科技有限公司 | It is a kind of to be used for the Needleless injection rifle of medical treatment |
| CN109731186A (en) * | 2019-02-26 | 2019-05-10 | 上海昊正医疗科技有限公司 | Adjustable dosage needleless continuous syringe |
-
2012
- 2012-11-02 CN CN 201220572421 patent/CN202844263U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418058A (en) * | 2013-08-22 | 2013-12-04 | 昆山振天智能化设备有限公司 | Combined handle device of needleless injector |
| CN103418058B (en) * | 2013-08-22 | 2015-04-08 | 昆山振天智能化设备有限公司 | Combined handle device of needleless injector |
| CN107088250A (en) * | 2017-06-14 | 2017-08-25 | 成都尚智恒达科技有限公司 | It is a kind of to be used for the Needleless injection rifle of medical treatment |
| CN109731186A (en) * | 2019-02-26 | 2019-05-10 | 上海昊正医疗科技有限公司 | Adjustable dosage needleless continuous syringe |
| CN109731186B (en) * | 2019-02-26 | 2023-11-03 | 上海昊正医疗科技有限公司 | Adjustable dose needleless continuous injector |
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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: 20130403 |