CN114129827B - Vertical injection mechanism of needleless injector - Google Patents
Vertical injection mechanism of needleless injector Download PDFInfo
- Publication number
- CN114129827B CN114129827B CN202111443732.4A CN202111443732A CN114129827B CN 114129827 B CN114129827 B CN 114129827B CN 202111443732 A CN202111443732 A CN 202111443732A CN 114129827 B CN114129827 B CN 114129827B
- Authority
- CN
- China
- Prior art keywords
- needleless injector
- fixed ring
- barrel
- push rod
- injection
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 64
- 239000007924 injection Substances 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 239000003814 drug Substances 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
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
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- 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
-
- 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
- A61M5/3129—Syringe barrels
-
- 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
- A61M5/3129—Syringe barrels
- A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
Abstract
The invention discloses a vertical injection mechanism of a needleless injector, which comprises a barrel, wherein an injection push rod is arranged in the barrel, a medicine tube is arranged at the other end of the barrel, which is far away from the injection push rod, a fixed ring is arranged at the other end of the barrel, which is far away from the injection push rod, a center seat is arranged in the fixed ring, a rotating disc and a clamp spring are arranged on the center seat, the rotating disc is connected with one end of a traction rope, the other end of the traction rope is fixed on the center seat, a plurality of equal-height columns are arranged at the lower end of the fixed ring, and a vertical observation window is also arranged in the fixed ring. The invention has the beneficial effects that: the restriction that the conventional needleless injector cannot be vertically injected is overcome, the treatment effect in the injection process is guaranteed to the greatest extent, the fear of an injected person to the injection process is eliminated, the pain is reduced, the comfort in the treatment and rehabilitation process is realized, and the pursuit of medical staff and patients on good treatment effect and good wish is achieved.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a vertical injection mechanism of a needleless injector.
Background
The needleless injector application industry not only has wide application in the fields of basic medicine, clinical medicine, forensic medicine, inspection medicine, preventive medicine, health care medicine, rehabilitation medicine and the like, but also has more convenient operability for medical workers and patients, more efficient practicability and more excellent comfort, and the research of needleless injection technology has great significance in promoting autonomous innovation in the medical engineering field, technical progress and industry development, and the importance is not only in economic benefit or economic effect, but also in social benefit.
The conventional needleless injector mechanism comprises an injection push rod arranged in a needleless injector cylinder, wherein the head of the injection push rod is plastic silica gel, the injection push rod is fixedly connected with the injection push rod, the needleless injector cylinder is connected with a fixed ring, the injection push rod is fixedly connected with a medicine tube while the injection push rod is connected with the needleless injector cylinder, the plastic silica gel at the head of the injection push rod is in interference fit with the medicine tube, the dose required to be injected is identified and selected through a dose observation window, and the plastic silica gel at the head of the injection push rod applies pressure to the medicine tube under the action of pressure, so that the medicine injection is conveyed to complete the injection process.
The principle of the conventional needleless injector mechanism is that the plastic silica gel at the head of the injection push rod conveys the medicine out of the nozzle of the medicine tube through pressure, so that the injection process is finished, the injection process is needleless injection, and when the injection medicine tube contacts a human body, the injection angle cannot be controlled, so that the medicine dosage of the injected medicine entering subcutaneous tissue is influenced, and the treatment effect is influenced.
Disclosure of Invention
The present invention is directed to a vertical injection mechanism of a needleless injector, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a needleless syringe's perpendicular injection mechanism, includes the barrel, be equipped with the injection push rod in the barrel, the barrel is kept away from the other end of injection push rod is equipped with the pencil, the barrel is kept away from the other end of injection push rod is equipped with solid fixed ring, gu install the center seat in the fixed ring, be equipped with rolling disc and jump ring on the center seat, the rolling disc is connected with traction rope one end, traction rope other end is fixed in on the center seat, gu fixed ring lower extreme is equipped with many contour posts, gu still be equipped with perpendicular observation window in the fixed ring.
Preferably, one end of the injection push rod, which is close to the medicine tube, is provided with plastic silica gel.
Preferably, an observation window is arranged on the cylinder body.
Preferably, the rotating disc and the clamp spring are fixedly arranged on the center seat through a center pin.
Preferably, one end of the traction rope is fixed on the rotating disc through a traction rope fixing pin.
Preferably, the other end of the traction rope bypasses the clamping groove of the rotating disc and is fixed on the center seat through the rotating disc fixing pin.
Preferably, a transparent observation plate is arranged in the vertical observation window.
Preferably, at least three equal-height columns are symmetrically arranged at the lower end of the fixing ring, the three equal-height columns are fixed in the fixing ring through clamping grooves, and springs are sleeved on the three equal-height columns.
Advantageous effects
The vertical injection mechanism of the needleless injector overcomes the restriction that the conventional needleless injector cannot perform vertical injection, ensures the treatment effect in the injection process to the greatest extent, eliminates fear of an injected person to the injection process, reduces pain, realizes comfort in the treatment recovery process, and achieves the pursuit of medical staff and patients on good treatment effect and good wish.
Drawings
FIG. 1 is a schematic cross-sectional view and a partially enlarged schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the overall structure of the present invention.
Reference numerals
The device comprises the following components of a 20-injection push rod, a 21-barrel, a 22-observation window, a 23-fixed ring, a 24-transparent observation plate, a 25-rotating disc, a 26-traction rope fixing pin, a 27-rotating disc fixing pin, a 28-plastic silica gel, a 29-medicine tube, a 30-equal-height column, a 31-spring, a 32-center seat, a 33-clamp spring, a 34-traction rope and a 35-center pin.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-2, a vertical injection mechanism of a needleless injector comprises a barrel 21, wherein an injection push rod 20 is arranged in the barrel 21, a medicine tube 29 is arranged at the other end of the barrel 21, which is far away from the injection push rod 20, a fixed ring 23 is arranged at the other end of the barrel 21, which is far away from the injection push rod 20, a center seat 32 is arranged in the fixed ring 23, a rotating disc 25 and a clamp spring 33 are arranged on the center seat 32, the rotating disc 25 is connected with one end of a traction rope 34, the other end of the traction rope 34 is fixed on the center seat 32, a plurality of equal-height columns 30 are arranged at the lower end of the fixed ring 23, and a vertical observation window is also arranged in the fixed ring 23.
Preferably, the injection push rod 20 is provided with a plastic silicone 28 at the end near the drug tube 29.
Preferably, the barrel 21 is provided with an observation window 22.
Preferably, the rotating disc 25 and the snap spring 33 are fixedly arranged on the center seat 32 through a center pin 35.
Preferably, one end of the pulling rope 34 is fixed to the rotating disk 25 by a pulling rope fixing pin 26.
Preferably, the other end of the drag rope 34 passes around the locking groove of the rotating disk 25 and is fixed to the center seat 32 by the rotating disk fixing pin 27.
Preferably, a transparent viewing panel 24 is provided in the vertical viewing window.
Preferably, at least three equal-height columns 30 are symmetrically arranged at the lower end of the fixed ring 23, the three equal-height columns 30 are fixed in the fixed ring 23 through clamping grooves, and springs 31 are sleeved on the three equal-height columns 30.
The injection needle is characterized in that a needle-free injector cylinder body is rotated, the injection needle is identified through an injection dose observing port, the injection needle is set, the equal-height columns and the fixed ring are in an extension state due to the acting force of a spring, when the bottom of the equal-height columns is contacted with an injection part, the spring applies pressure to the three equal-height columns, when the spring continues to compress, the equal-height columns move upwards and gradually protrude out of a center seat to apply acting force to a traction rope, one end of the traction rope is fixed on the center seat, the other end of the traction rope is fixed on the rotation disc, the rotation disc and the clamp spring are fixed on the center seat through the center pin, the whole traction rope is located in a clamping groove of the center seat, the equal-height columns continue to move upwards, the rotation disc continues to move anticlockwise with the center pin, the spring continues to compress, the equal-height columns move upwards until the three equal-height columns reach a limiting height at the same time, the rotation disc stops applying tension to the rotation disc, the rotation disc stops moving, the rotation disc is arranged on the fixed ring, the rotation disc is fixed on the clamping groove, the whole injection needle is in a transparent state, and then the injection needle is injected into a green injection needle from a transparent injection needle, and the injection needle is completed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the summary of the present invention within the scope of the present invention.
Claims (8)
1. A vertical injection mechanism for a needleless injector comprising a barrel (21), characterized in that: be equipped with injection push rod (20) in barrel (21), barrel (21) are kept away from the other end of injection push rod (20) is equipped with pencil (29), barrel (21) are kept away from the other end of injection push rod (20) is equipped with solid fixed ring (23), install center seat (32) in solid fixed ring (23), be equipped with rolling disc (25) and jump ring (33) on center seat (32), rolling disc (25) are connected with traction rope (34) one end, traction rope (34) other end is fixed in on center seat (32), gu fixed ring (23) lower extreme is equipped with three at least equal high posts (30), still be equipped with vertical observation window in gu fixed ring (23).
2. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: one end of the injection push rod (20) close to the medicine tube (29) is provided with plastic silica gel (28).
3. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: an observation window (22) is arranged on the cylinder body (21).
4. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: the rotating disc (25) and the clamp spring (33) are fixedly arranged on the center seat (32) through a center pin (35).
5. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: one end of the traction rope (34) is fixed on the rotating disc (25) through a traction rope fixing pin (26).
6. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: the other end of the traction rope (34) bypasses the clamping groove of the rotating disc (25) and is fixed on the center seat (32) through the rotating disc fixing pin (27).
7. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: a transparent observation plate (24) is arranged in the vertical observation window.
8. The vertical injection mechanism of a needleless injector as claimed in claim 1, wherein: at least three equal-height columns (30) are symmetrically arranged at the lower end of the fixed ring (23), the three equal-height columns (30) are fixed in the fixed ring (23) through clamping grooves, and springs (31) are sleeved on the three equal-height columns (30).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443732.4A CN114129827B (en) | 2021-11-30 | 2021-11-30 | Vertical injection mechanism of needleless injector |
| PCT/CN2022/092342 WO2023097974A1 (en) | 2021-11-30 | 2022-05-12 | Vertical injection mechanism of needle-free injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443732.4A CN114129827B (en) | 2021-11-30 | 2021-11-30 | Vertical injection mechanism of needleless injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114129827A CN114129827A (en) | 2022-03-04 |
| CN114129827B true CN114129827B (en) | 2024-01-19 |
Family
ID=80390028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443732.4A Active CN114129827B (en) | 2021-11-30 | 2021-11-30 | Vertical injection mechanism of needleless injector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114129827B (en) |
| WO (1) | WO2023097974A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114129827B (en) * | 2021-11-30 | 2024-01-19 | 苏州和林微纳科技股份有限公司 | Vertical injection mechanism of needleless injector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6210359B1 (en) * | 2000-01-21 | 2001-04-03 | Jet Medica, L.L.C. | Needleless syringe |
| CN1471415A (en) * | 2000-10-23 | 2004-01-28 | ʩ³����ع�����˾ | Compact architecture needleless syringe |
| CN109966589A (en) * | 2017-03-20 | 2019-07-05 | 王才丰 | The needleless injector that can continuously inject |
| CN111617348A (en) * | 2020-05-21 | 2020-09-04 | 尹颂华 | Breast drug delivery device with needleless injection |
| CN211611120U (en) * | 2019-08-30 | 2020-10-02 | 吴娟 | Injection head assembly of medicine storage tube of needleless injector |
| CN212090435U (en) * | 2020-01-17 | 2020-12-08 | 袁勇 | Anesthesia is clinical with pjncture needle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000126293A (en) * | 1998-10-28 | 2000-05-09 | Shimadzu Corp | Needleless injector |
| US6689092B2 (en) * | 2000-03-03 | 2004-02-10 | Boehringer International Gmbh | Needle-less injector of miniature type |
| US20040158195A1 (en) * | 2003-02-06 | 2004-08-12 | Sibert Gary J. | Needle-free mass injection device |
| CN107096098A (en) * | 2011-04-21 | 2017-08-29 | 艾伯维公司 | Wearable automatic injection device |
| JP6827636B2 (en) * | 2013-11-13 | 2021-02-10 | ジェネンテック， インコーポレイテッド | Manual injection device and method with auxiliary device |
| CN106345015A (en) * | 2016-09-19 | 2017-01-25 | 成都测迪森生物科技有限公司 | Medical needleless injector |
| CN109568728A (en) * | 2016-11-05 | 2019-04-05 | 王才丰 | A kind of large dosage needleless injector |
| CN112569431A (en) * | 2020-12-10 | 2021-03-30 | 易舒康(山东)生物科技有限公司 | Safe needleless injector with external dose display function |
| CN114129827B (en) * | 2021-11-30 | 2024-01-19 | 苏州和林微纳科技股份有限公司 | Vertical injection mechanism of needleless injector |
-
2021
- 2021-11-30 CN CN202111443732.4A patent/CN114129827B/en active Active
-
2022
- 2022-05-12 WO PCT/CN2022/092342 patent/WO2023097974A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6210359B1 (en) * | 2000-01-21 | 2001-04-03 | Jet Medica, L.L.C. | Needleless syringe |
| CN1471415A (en) * | 2000-10-23 | 2004-01-28 | ʩ³����ع�����˾ | Compact architecture needleless syringe |
| CN109966589A (en) * | 2017-03-20 | 2019-07-05 | 王才丰 | The needleless injector that can continuously inject |
| CN211611120U (en) * | 2019-08-30 | 2020-10-02 | 吴娟 | Injection head assembly of medicine storage tube of needleless injector |
| CN212090435U (en) * | 2020-01-17 | 2020-12-08 | 袁勇 | Anesthesia is clinical with pjncture needle |
| CN111617348A (en) * | 2020-05-21 | 2020-09-04 | 尹颂华 | Breast drug delivery device with needleless injection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114129827A (en) | 2022-03-04 |
| WO2023097974A1 (en) | 2023-06-08 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |