CN108421131A - A kind of roller type multi injector - Google Patents
A kind of roller type multi injector Download PDFInfo
- Publication number
- CN108421131A CN108421131A CN201810305158.8A CN201810305158A CN108421131A CN 108421131 A CN108421131 A CN 108421131A CN 201810305158 A CN201810305158 A CN 201810305158A CN 108421131 A CN108421131 A CN 108421131A
- Authority
- CN
- China
- Prior art keywords
- gear
- core bar
- roller type
- type multi
- rack
- 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.)
- Pending
Links
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
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31525—Dosing
- A61M5/31526—Dosing by means of stepwise axial movements, e.g. ratchet mechanisms or detents
-
- 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
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31565—Administration mechanisms, i.e. constructional features, modes of administering a dose
- A61M5/31576—Constructional features or modes of drive mechanisms for piston rods
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The present invention relates to a kind of roller type multi injectors, including syringe and transmission core bar, and transmission core bar includes piston and rack pinion structure, and one end of rack pinion structure is connected with piston；Rack pinion structure band piston does propulsion or extraction movement in syringe.The roller type multi injector of the present invention is not only suitable for endoscopic one-handed performance, to any technical operation that need to use needle tubing, all because being not necessarily to the hand position for changing inserting needle, injecting or aspirating, and keeps operation simpler, syringe needle is more stablized, to improve safety.
Description
Technical field
The invention belongs to injector technology fields, are related to a kind of roller type multi injector.
Background technology
It is clinically common technical operation to be injected and aspirated with needle tubing, is the daily diagnosis and treatment row that must all carry out daily
For.The operation and the most basic technical ability that clinical each section office are closely related and doctor, nurse must grasp.But it is existing
Piston is in backshank, when being aspirated in syringe in technology, it is necessary to both hands operate, and a hand holds injection needle tube,
The other hand hold with a firm grip piston rod carry out injection or imbibition.
As medical technology develops, to the safeties of various operations, non-invasive made higher requirement；Even if having
Wound, it is also necessary to accomplish that wound minimizes.Therefore, various endoscopic techniques come into being.Can have in the various operations of Microendoscopic
The clearer visual field, it is further seen that be difficult to peep and dissection dead angle, which greatly improves the safeties of various technical operations.
But endoscope is needed to be stablized with a hand and be held, every technology of originally both hands operation must all make one-handed performance completion into.
For example ear-nose-throat department treatment is dashed forward the common injection of tympanum technology such as deaf, dizziness, secretory otitis media, Microendoscopic operation both can be with
It sees the form of eardrum, and injection site can accurately be selected to prevent the fine structure of damage middle ear and inner ear, it can be with
See that drug injection enters the dosage and effect of tympanum.But after a hand handle holds ear endoscope, needle tubing puncture injection must be singlehanded
It completes, but syringe in the prior art is extremely unstable under one-handed performance, the shaking of needle tubing syringe needle may injure external ear
Phonophore and other slim structures, the structure that even the important phonosensitive such as damage inner ear and maintenance balance in road, tympanum.Together
When, under scope the operations such as anaesthetic injection, abscess puncture, Irrigation be required to use one-handed performance needle tubing, this with regard to an urgent demand I
Invent it is a kind of can one-handed performance needle tubing, make medical personnel that will vary without hand position after needle injection to disease location
It is injected and suction operation.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of multi-purpose injection of roller type
Device.The roller type multi injector of the present invention is not only suitable for endoscopic one-handed performance, is grasped to any technology that need to use needle tubing
Make, all because being not necessarily to the hand position for changing inserting needle, injecting or aspirating, and keeps operation simpler, syringe needle is more stablized, to improve
Safety.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of roller type multi injector, the roller type multi injector include syringe and transmission core bar, the transmission core bar
Including piston and rack pinion structure, one end of the rack pinion structure is connected with piston；The rack-and-pinion
Drive mechanism band piston does propulsion or extraction movement in syringe.
As preferred technical solution：
Preferably, the rack pinion structure includes core bar, gear and tooth rest with rack, the axle center of the gear
It is fixed on tooth rest, the piston is mounted on the end of core bar, and the gear coordinates drive piston with the rack on core bar.
Preferably, the gear includes gear wheel and pinion gear, and the gear wheel and pinion gear are coaxially disposed, the small tooth
Wheel gear is driven with the rack cooperation on core bar.
Preferably, rack is equipped on the both sides of the core bar, the stem between two racks is divided into hollow structure, described
Gear wheel is located in the gap of the hollow structure.
Preferably, the number of the pinion gear be 2, the pinion gear be located at the both sides of gear wheel and respectively with core
The rack of bar both sides is correspondingly connected with.
Preferably, opening, the part of the gear wheel are equipped on the side wall of the syringe at position corresponding with gear wheel
The gear teeth stretch out the opening.
Preferably, the other end opposite with piston on the core bar is equipped with handle, is provided with handle, is suitble to extract and press
Pressure；The core bar is mounted on side of the piston far from the opening.
Preferably, port opposite with syringe needle on the syringe is equipped with syringe cap, and tooth rest is equipped on the syringe cap.
Preferably, the syringe cap is equipped with through-hole corresponding with handle shape.
Preferably, it is correspondingly provided with pedestal below the rack of the core bar both sides.
Preferably, it can be provided with volumetric calibration graduation mark on syringe, can intuitively read liquid medicine injection amount.
Inventive principle：The roller type multi injector of the present invention includes syringe, piston and rack pinion structure；Gear
Rack-driving structure band piston does propulsion or extraction movement in syringe.For example, in the rack pinion structure of the present invention,
Thumb has an effect to gear wheel in the opening of barrel sidewall, and then drives the pinion rotation with gear wheel coaxial arrangement, small tooth
It takes turns and then the rack on core bar is driven to stretch out or promote in syringe, it is final to realize that piston is stretched out or promoted in syringe, due to
It is easy to use, it can be effectively as the novel injector for realizing singlehanded acupuncture treatment and one-handed injection.
Use example I：Thumb roll counter-clockwise gear, core bar move to X-axis positive direction and draw liquid；Thumb rolls clockwise
Gear, core bar is to X-axis negative direction movement injection liquid.
Use example II：Direct pull core bar moves to X-axis positive direction and draws liquid；Pressing core bar is moved to X-axis negative direction
Liquid medicine injection.
Advantageous effect
The roller type multi injector of the present invention forms transmission cooperation by wheel and rack, realizes the change of transmission direction, will
The bidirectional rolling movement of gear is changed into the two-way linear movement of piston rod, increases safety and the stabilization of single-hand operated syringe
Property.
The roller type multi injector of the present invention, core bar is arranged in the side of piston, and be arranged on core bar and be more suitable for
The handle for extracting and pressing, can not only realize rack pinion, only can also realize drawing liquid and liquid medicine injection with handle, have
A variety of usages.
Description of the drawings
Fig. 1 is the front view of the roller type multi injector of the present invention；
Fig. 2 is the vertical view of the roller type multi injector of the present invention；
Fig. 3 is the sectional view of the roller type multi injector of the present invention；
Fig. 4 is the rack pinion structural schematic diagram of the roller type multi injector of the present invention；
Fig. 5 is the action process schematic diagram when roller type multi injector of the present invention promotes；
Action process schematic diagram when Fig. 6 is the roller type multi injector extraction of the present invention；
Wherein, 1- syringes, 2- gear wheels, 21- pinion gears, 3- tooth rests, 4- core bars, 41- handles, 5- pistons.
Specific implementation mode
The invention will be further elucidated with reference to specific embodiments.It should be understood that these embodiments are merely to illustrate this hair
It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology
Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Fixed range.
Embodiment 1
As shown in figures 1-6, it is the roller type multi injector of the present invention, roller type multi injector includes syringe 1 and transmission
Core bar, the transmission core bar include piston and rack pinion structure, one end of the rack pinion structure and piston
It is connected；Rack pinion structure band piston 5 does propulsion or extraction movement in syringe 1.
Rack pinion structure includes core bar 4, gear and tooth rest 3 with rack, and the axle center of gear is fixed on tooth
On wheel carrier 3, piston 5 is mounted on the end of core bar 4, and gear coordinates drive piston 5 with the rack on core bar 4.
Gear includes gear wheel 2 and pinion gear 21, and gear wheel 2 and pinion gear 21 are coaxially disposed, 21 gear of pinion gear and core
Rack cooperation transmission on bar 4.
Rack is equipped on the both sides of core bar 4,4 part of core bar between two racks is hollow structure, during gear wheel 2 is located at
In the gap of hollow structure.
The number of pinion gear 21 be 2, pinion gear 21 be located at the both sides of gear wheel 2 and respectively with 4 both sides of core bar
Rack is correspondingly connected with.
Opening is equipped on the side wall of syringe 1 at position corresponding with gear wheel 2, the part gear teeth of gear wheel 2 stretch out opening.
The other end opposite with piston 5 is equipped with handle on core bar 4, is provided with handle, is suitble to extract and press；Core bar 4 is pacified
Mounted in side of the piston 5 far from opening.
The port opposite with syringe needle is equipped with syringe cap on syringe 1, and tooth rest 3 is equipped on syringe cap.
Syringe cap is equipped with through-hole corresponding with handle shape.
It is correspondingly provided with pedestal below the rack of 4 both sides of core bar.
It can be provided with volumetric calibration graduation mark on syringe 1, can intuitively read liquid medicine injection amount.
Inventive principle：The roller type multi injector of the present invention includes syringe 1, piston 5 and rack pinion structure；Tooth
Wheel rack drive mechanism band piston 5 does propulsion or extraction movement in syringe 1.For example, the rack pinion knot of the present invention
In structure, thumb has an effect to gear wheel 2 in the opening of 1 side wall of syringe, and then drives the pinion gear 21 being coaxially disposed with gear wheel 2
Rack on rotation, pinion gear 21 and then drive core bar 4 is stretched out or is promoted in syringe 1, and final realization piston 5 is in syringe 1
It stretches out or promotes, it, can be effectively as the novel injector for realizing singlehanded acupuncture treatment and one-handed injection due to the use of convenient.
Use example I：Thumb roll counter-clockwise gear, core bar 4 move to X-axis positive direction and draw liquid；Thumb rolls clockwise
Moving gear, core bar 4 is to X-axis negative direction movement injection liquid.
Use example II：Direct pull core bar 4 moves to X-axis positive direction and draws liquid；Core bar 4 is pressed to transport to X-axis negative direction
Dynamic liquid medicine injection.
Embodiment 2
The roller type multi injector of the present invention, identical as the basic structure of embodiment 1, difference lies in only include a canine tooth
Wheel, a pinion gear and a rack, gear and rack are respectively positioned on the same side of gear wheel.
Embodiment 3
The roller type multi injector of the present invention, identical as the basic structure of embodiment 1, difference lies in only include a gear
With a rack, rack is arranged in the center of core bar, and gear and rack correspond to installation.
Claims (10)
1. a kind of roller type multi injector, it is characterized in that：The roller type multi injector includes syringe and transmission core bar, institute
It includes piston and rack pinion structure to state transmission core bar, and one end of the rack pinion structure is connected with piston；Institute
It states rack pinion structure band piston and does propulsion or extraction movement in syringe.
2. a kind of roller type multi injector according to claim 1, it is characterized in that：The rack pinion structure packet
Core bar, gear and tooth rest with rack are included, the axle center of the gear is fixed on tooth rest, and the piston is mounted on core bar
End, the rack on the gear and core bar coordinates drive piston.
3. a kind of roller type multi injector according to claim 2, it is characterized in that：The gear includes gear wheel and small
Gear, the gear wheel and pinion gear coaxial arrangement, the pinion gear gear are driven with the rack cooperation on core bar.
4. a kind of roller type multi injector according to claim 3, it is characterized in that：It is equipped on the both sides of the core bar
Rack, the stem between two racks are divided into hollow structure, and the gear wheel is located in the gap of the hollow structure.
5. a kind of roller type multi injector according to claim 4, it is characterized in that：The number of the pinion gear is 2,
The pinion gear is located at the both sides of gear wheel and the rack with core bar both sides is correspondingly connected with respectively.
6. a kind of roller type multi injector according to claim 5, it is characterized in that：On the side wall of the syringe with canine tooth
It takes turns and is equipped with opening at corresponding position, the part gear teeth of the gear wheel stretch out the opening.
7. a kind of roller type multi injector according to claim 6, it is characterized in that：It is opposite with piston on the core bar
The other end is equipped with handle；The core bar is mounted on side of the piston far from the opening.
8. a kind of roller type multi injector according to claim 7, it is characterized in that：It is opposite with syringe needle on the syringe
Port is equipped with syringe cap, and tooth rest is equipped on the syringe cap.
9. a kind of roller type multi injector according to claim 8, it is characterized in that：The syringe cap is equipped with and handle
The corresponding through-hole of shape.
10. a kind of roller type multi injector according to claim 9, it is characterized in that：Under the rack of the core bar both sides
Side is correspondingly provided with pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305158.8A CN108421131A (en) | 2018-04-08 | 2018-04-08 | A kind of roller type multi injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305158.8A CN108421131A (en) | 2018-04-08 | 2018-04-08 | A kind of roller type multi injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108421131A true CN108421131A (en) | 2018-08-21 |
Family
ID=63160366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810305158.8A Pending CN108421131A (en) | 2018-04-08 | 2018-04-08 | A kind of roller type multi injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108421131A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289103A (en) * | 2018-10-17 | 2019-02-01 | 上海交通大学医学院附属第九人民医院 | A kind of accurate syringe of pen-holding type rack gear |
| CN109620707A (en) * | 2018-12-04 | 2019-04-16 | 雷静 | A kind of strong doctor's firewire therapeutic device of hand-held |
| CN110051389A (en) * | 2019-06-06 | 2019-07-26 | 忻俊 | Pen-holding type biopsy device |
| CN110201844A (en) * | 2019-07-08 | 2019-09-06 | 广州奥盛电子科技有限公司 | A kind of lubricating oil application device |
| CN112472921A (en) * | 2020-12-14 | 2021-03-12 | 北京欧扬医疗美容门诊部有限公司 | Improved plastic medicine injector |
| CN115491293A (en) * | 2022-11-18 | 2022-12-20 | 深圳希吉亚生物技术有限公司 | Quick sampling device is used in biological enzyme detection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB143084A (en) * | 1918-03-15 | 1920-05-20 | Edmondo Luswergh | Improvements in and relating to self-acting syringes for hypodermic injections |
| US6231550B1 (en) * | 1999-12-02 | 2001-05-15 | Joshua D. Laughlin | One-handed single grip position aspiration and injection syringe |
| CN101932350A (en) * | 2008-01-28 | 2010-12-29 | Shl集团有限责任公司 | Injector with thumb operable scroll wheel |
| CN205073428U (en) * | 2015-10-16 | 2016-03-09 | 霍桂芝 | Injector |
| CN107126315A (en) * | 2016-02-29 | 2017-09-05 | 梅迪塞有限公司 | Syringe with transmission mechanism, especially gear transmission chain |
-
2018
- 2018-04-08 CN CN201810305158.8A patent/CN108421131A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB143084A (en) * | 1918-03-15 | 1920-05-20 | Edmondo Luswergh | Improvements in and relating to self-acting syringes for hypodermic injections |
| US6231550B1 (en) * | 1999-12-02 | 2001-05-15 | Joshua D. Laughlin | One-handed single grip position aspiration and injection syringe |
| CN101932350A (en) * | 2008-01-28 | 2010-12-29 | Shl集团有限责任公司 | Injector with thumb operable scroll wheel |
| CN205073428U (en) * | 2015-10-16 | 2016-03-09 | 霍桂芝 | Injector |
| CN107126315A (en) * | 2016-02-29 | 2017-09-05 | 梅迪塞有限公司 | Syringe with transmission mechanism, especially gear transmission chain |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289103A (en) * | 2018-10-17 | 2019-02-01 | 上海交通大学医学院附属第九人民医院 | A kind of accurate syringe of pen-holding type rack gear |
| CN109289103B (en) * | 2018-10-17 | 2024-03-26 | 上海交通大学医学院附属第九人民医院 | Pen-holding type rack accurate injector |
| CN109620707A (en) * | 2018-12-04 | 2019-04-16 | 雷静 | A kind of strong doctor's firewire therapeutic device of hand-held |
| CN110051389A (en) * | 2019-06-06 | 2019-07-26 | 忻俊 | Pen-holding type biopsy device |
| CN110201844A (en) * | 2019-07-08 | 2019-09-06 | 广州奥盛电子科技有限公司 | A kind of lubricating oil application device |
| CN112472921A (en) * | 2020-12-14 | 2021-03-12 | 北京欧扬医疗美容门诊部有限公司 | Improved plastic medicine injector |
| CN112472921B (en) * | 2020-12-14 | 2022-03-01 | 北京欧扬医疗美容门诊部有限公司 | Improved plastic medicine injector |
| CN115491293A (en) * | 2022-11-18 | 2022-12-20 | 深圳希吉亚生物技术有限公司 | Quick sampling device is used in biological enzyme detection |
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