CN109289103B - Pen-holding type rack accurate injector - Google Patents
Pen-holding type rack accurate injector Download PDFInfo
- Publication number
- CN109289103B CN109289103B CN201811205985.6A CN201811205985A CN109289103B CN 109289103 B CN109289103 B CN 109289103B CN 201811205985 A CN201811205985 A CN 201811205985A CN 109289103 B CN109289103 B CN 109289103B
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- Prior art keywords
- rack
- injector
- needle
- fastener
- pen
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000005452 bending Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 37
- 239000007924 injection Substances 0.000 abstract description 37
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 description 3
- 108030001720 Bontoxilysin Proteins 0.000 description 3
- 229940053031 botulinum toxin Drugs 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229920002674 hyaluronan Polymers 0.000 description 3
- 229960003160 hyaluronic acid Drugs 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 206010040880 Skin irritation Diseases 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036556 skin irritation Effects 0.000 description 2
- 231100000475 skin irritation Toxicity 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012800 visualization Methods 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
-
- 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
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- 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
- A61M5/46—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 having means for controlling depth of insertion
Abstract
The invention relates to a pen-holding type rack accurate injector, which comprises: the device comprises a bracket and a limiting mechanism arranged at the front end of the bracket, wherein an injector is fixed on the bracket, the tail part of the injector is connected with a rack device, and the rack device precisely pushes the dosage in the injector under the control action of a processing terminal; the syringe comprises a syringe body, a needle head and a push rod, wherein the syringe body is fixed on the bracket through a fastener, and the fastener comprises a first fastener and a second fastener; the rack device comprises a power motor, a power gear and a rack, and the rack is connected with a push rod of the injector. The beneficial effects are that: the processing terminal controls the rack device to work, so that accurate injection or suction of injection dosage can be realized, the control is simple, and the operation is convenient; through the application of the limiting mechanism, the depth of the needle penetrating into skin or tissues can be accurately controlled.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a pen-holding type rack accurate injector.
Background
At present, the injection quantity of some liquid medicines has strict requirements, and excessive injection can generate side effects, and the injection quantity is too low, so that the expected effect can not be achieved. The existing injector consists of a needle tube and a piston rod, wherein the piston rod is embedded in the needle tube and slides in the needle tube. Pushing the piston rod, sliding the piston rod in the needle tube, and injecting the liquid medicine in the needle tube into a patient.
When medical staff uses an injector to inject medicine liquid with strict requirements on injection quantity to a patient, the traditional injector can not finish accurate dose injection at the level of 0.005-0.01 ml by manually pushing an injector push rod and judging the injected dose by naked eyes in the process of pushing a piston rod, and the injection quantity is very likely to exceed the specified dose or not reach the specified dose. Meanwhile, in some injection processes, the depth of the needle penetrating the skin, namely the level of the liquid medicine reaching, is highly required, and more accurate and stable injection of botulinum toxin, hyaluronic acid and the like are required. The conventional syringe cannot control the accurate needle penetration depth control of less than 1 mm. When the traditional injector with corresponding specification is used, especially when the liquid medicine is absorbed more, the whole length of the injector is too long, the push rod of the injector is far away from the needle, and great inconvenience is caused to the holding and accurate injection operation control of medical staff.
The existing electric injector is generally in a pistol mode, is huge in size (10-20 cm) and heavy in weight, is mostly a metal gun body, is far away from a needle head at a hand holding position, is in a single-hand holding posture, and can not accurately and stably control the injector due to overlarge hand actions when an injection wrench is buckled. Meanwhile, the injection part used in the existing electric injector needs to be a specially customized injector or is not detachable, so that the use cost is high.
Therefore, the invention provides the pen-holding type rack accurate injector, which changes the traditional injection mode and realizes the accurate regulation and control of injection dosage and injection depth.
Disclosure of Invention
The invention provides a pen-holding type rack accurate injector, which solves the problems that the injection dosage in the prior art cannot be accurately controlled and the depth of a needle penetrating into skin cannot be fixed, improves the injection precision, and reduces the harm caused by dosage errors.
The technical problems solved by the invention are realized by adopting the following technical scheme:
a pen-holding rack accurate injector, comprising: the device comprises a bracket and a limiting mechanism arranged at the front end of the bracket, wherein an injector is fixed on the bracket, the tail part of the injector is connected with a rack device, and the rack device precisely pushes and injects the dosage in the injector under the control action of a processing terminal
The syringe comprises a syringe body, a needle head and a push rod, wherein the syringe body is fixed on the bracket through a fastener, the fastener comprises a first fastener and a second fastener, and the first fastener and the second fastener are respectively fixed at the front part and the rear part of the syringe body;
the rack device comprises a power motor, a power gear and a rack, and the rack is connected with a push rod of the injector;
the limiting mechanism is mainly used for preventing the needle from being penetrated too deeply.
As the preferable technical scheme, the limiting mechanism is a needle limiting hook, two needle limiting hooks are arranged, and the needle is arranged between the two needle limiting hooks.
As a preferable technical scheme, the end part of the needle head limiting hook is provided with an arc-shaped bending part so as to prevent skin irritation.
As the preferable technical scheme, the tail end of the needle head limiting hook is fixed on the bracket through a telescopic rod so as to realize telescopic adjustment of the needle head.
As the preferable technical scheme, the limiting mechanism is a needle protection sleeve, the front part of the needle protection sleeve is provided with an opening which can accommodate the needle to pass through, and the tail end of the needle protection sleeve is provided with a thread structure matched with the bracket.
As a preferable technical scheme, the surface of the thread structure is provided with an indication protrusion, and the exposed length of the needle head can be fed back according to the rotation angle of the thread structure.
As the preferable technical scheme, the first fastening piece and the second fastening piece are adjustable fastening pieces, such as clamping hoops, hoops and the like.
As an optimal technical scheme, the piston rod and the push rod of the injector are fixedly connected through a third fastening piece, and the third fastening piece can be selected as a fastening piece such as a clamp, a hoop and the like.
As an optimal technical scheme, a sliding rail is arranged on the bracket, a traveling block is arranged on the rack, and the traveling block is embedded in the sliding rail; the walking block and the rack are of an integrated structure, and the walking block has certain resistance when sliding in the sliding rail, and cannot slide and shake along with gravity, so that errors of injection precision are prevented.
As a preferred technical scheme, the syringe body is provided with a metering scale.
As the preferable technical scheme, the power gear comprises intermeshing's gear wheel and pinion, the pinion is connected with power motor, the gear wheel is connected with the rack phase meshing, drives the gear wheel through the pinion and rotates to prevent to lead to out the liquid measure inaccurate because of power motor rotational speed is too fast.
As the preferable technical scheme, the diameter ratio of the large gear to the small gear is 2:1, and the greater the diameter ratio of the large gear to the small gear is, the higher the accuracy is
When the injector is used, the limiting mechanism on the end part of the injector body is adjusted to prevent the needle from penetrating too deeply in the use process, and the processing terminal controls the rotating speed and the distance of the power motor to push the rack to move in the sliding rail due to the fact that the power gear of the rack device is meshed with the rack, so that the push rod of the injector is pushed to move in the injector body to finish accurate injection or suction of injection dosage.
The invention has the beneficial effects that: (1) The pneumatic device is controlled to work through the processing terminal, so that accurate injection or suction of injection dosage can be realized, the control is simple, the operation is convenient, the pneumatic device is more suitable for injection of medical cosmetology, botulinum toxin and hyaluronic acid, and accurate dosage injection at the level of 0.005-0.01 ml can be ensured, so that harm caused by dosage errors is reduced.
(2) Through stop gear's application, can effectually prevent that the syringe needle from penetrating too deeply, simultaneously, can be in the accurate needle depth control of inserting of 1mm level.
(3) The matching design of the rack and the sliding rail is adopted, so that the rack and the pushing rod of the injector cannot slide and shake along with gravity, and errors of injection precision are prevented.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
Fig. 1 is a diagram of the present invention: a first structural schematic diagram of a pen-holding rack accurate injector;
fig. 2 is a diagram of the present invention: a second structural schematic diagram of a pen-holding rack accurate injector;
fig. 3 is a diagram of the present invention: a schematic structural diagram of a power gear of a pen-holding rack accurate injector;
fig. 4 is a diagram of the present invention: a structure schematic diagram of a sliding rail and a piston rod in a pen-holding type rack accurate injector.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Example 1
Referring to fig. 1, a pen-holding rack precision injector 2 comprises: the device comprises a bracket 1 and a limiting mechanism arranged at the front end of the bracket 1, wherein an injector 2 is fixed on the bracket 1, the tail of the injector 2 is connected with a rack device 3, and the rack device 3 precisely pushes and injects the dosage in the injector 2 under the control action of a processing terminal 4.
The support 1 is provided with the holding part 99, the surface of the holding part is provided with a certain radian, the holding part 99 accords with the ergonomic design, the pen-shaped holding is adopted, the operation is comfortable, and the support 1 can be matched with the injector 2 in common specifications in a fitting way. The holding part 99 is further provided with a control button 100 electrically connected with the processing terminal 4, which is more convenient to control. The control button 100 of the grip 99 can be operated by one hand, so that the dosage of the syringe can be precisely controlled, and the operation is more convenient.
The syringe 2 in this embodiment has substantially the same structure as the conventional syringe 2, and includes a syringe body 21, a needle 22, and a push rod 23, wherein the push rod 23 is disposed in a cavity of the syringe body 21, the needle 22 is disposed at a front end of the syringe body 21, and a metering scale 24 is provided on the syringe body 21 to facilitate better observation of a specific injected or sucked dose.
The syringe body 21 in the present embodiment is fixed to the holder 1 by fasteners including a first fastener 91 and a second fastener 92, the first fastener 91 and the second fastener 92 being fixed to the front and rear of the syringe body 21, respectively. The first fastening piece 91 and the second fastening piece 92 are adopted to ensure the fixation of the injector 2, so that the injector 2 is kept stable in the use process, sliding or displacement cannot occur, the injection precision is improved, and the injection error is reduced. The first fastening member 91 may be a pen clip type adjustment fixing mechanism similar to a compass, so as to implement the functions of telescoping and fixing the syringe 2.
The rack device 3 in this embodiment is disposed at the end of the bracket 1, the rack device 3 includes a power motor 31, a power gear 32 and a rack 33, wherein the power gear 32 is disposed on the power motor 31, the power gear 32 is engaged with the rack 33, the rack 33 can perform telescopic movement along with the rotation of the power gear 32 under the action of the power motor 31, the rack 33 in this embodiment is connected with the push rod 23 of the injector 2, and then the injector 2 can complete injection or suction operation under the action of the power motor 31. The processing terminal 4 in this embodiment is connected to the power motor 31 to control the rotational speed and distance of the power motor 31.
In order to prevent the needle 22 from penetrating too deeply, the end of the injector body 21 is provided with a limiting mechanism, in this embodiment, the limiting mechanism is a needle limiting hook 51, the number of needle limiting hooks 51 is two, the needle 22 is arranged between the two needle limiting hooks 51, and the end of the needle limiting hook 51 is provided with an arc-shaped bending part to prevent skin irritation.
In order to better adjust and control the penetration depth of the needle 22, the tip of the needle stop hook 51 is fixed to the holder 1 by a telescopic rod to achieve telescopic adjustment of the needle 22.
The rack 33 in this embodiment is fixedly connected to the push rod 23 of the syringe 2 by a third fastener 93, and is fixed by a fastener, so that the fixing and the dismounting are facilitated.
As shown in fig. 4, the rack 1 in the present embodiment is provided with a sliding rail 11, the rack 33 is provided with a traveling block 98, and the traveling block 98 is embedded in the sliding rail 11; the walking block 98 and the rack 33 are of an integrated structure; the traveling block 98 has a certain resistance when sliding in the slide rail 11, and does not slide and shake along with gravity, so as to prevent errors in injection accuracy. The second fastening member 92 and the third fastening member 93 in this embodiment may also be engaged in the slide rail 11, and the fixing manner may be applied to several types of syringes 2.
The housing of the holder 1 in this embodiment is transparent or has a viewing window, and the metering scale 24 of the syringe 2 is facing the field of view of the operator, allowing direct visualization of the volume of the remaining medicament.
When in use, the specification, single injection metering and continuous injection speed of the placed injector 2 are set at the processing terminal 4, the injector 2 filled with the medicine is fixed on the bracket 1, the rack 33 is fixedly connected with the push rod 23 of the injector 2 through the third fastener 93, the limiting mechanism on the injector body 21 is regulated to prevent the needle 22 from penetrating too deeply in the use process, after the needle 22 penetrates the skin, the processing terminal 4 starts and controls the rotating speed and the distance of the power motor 31 to push the rack 33 to move in the slide rail 11, and then the push rod 23 of the injector 2 is pushed to move in the injector body 21, so that the accurate injection or suction of the injection dose is completed. The device is simple to control and convenient to operate, is more suitable for the injection of medical cosmetic drugs such as botulinum toxin and hyaluronic acid, and can ensure the accurate dosage injection at the level of 0.005-0.01 ml so as to reduce the harm caused by dosage errors. Meanwhile, the accurate needle penetration depth control of the level within 1mm can be achieved through the limiting mechanism.
In order to enable more convenient and quick operation and control, the processing terminal 4 of the present invention may employ a foot switch (not shown) to control the on/off of the power motor 31. The foot switch is a switch for controlling the on-off of a circuit by stepping or treading, can operate the on-off of the circuit, can also be used for controlling the switch of the output current, simultaneously liberates both hands, prevents fine shake during hand operation from affecting injection when a button is pressed, enables the both hands to perform other operations, such as controlling the angle of the injector, and keeps the operation stable.
As shown in fig. 3, the power gear 32 is composed of a large gear 321 and a small gear 322 which are meshed with each other, the small gear 322 is connected with the power motor 31, the large gear 321 is meshed with the rack 33, and the small gear 322 drives the large gear 321 to rotate, so that the inaccuracy of liquid output caused by the too high rotating speed of the power motor 31 is prevented. The diameter ratio of the large gear 321 to the small gear 322 is 2:1, and the greater the diameter ratio of the large gear 321 to the small gear 322 is, the higher the accuracy is.
Example 2
Referring to fig. 2, unlike embodiment 1, the stopper mechanism is a needle protecting cover 52, the front part of the needle protecting cover 52 has an opening for receiving the needle 22 therethrough, and the end has a screw structure 53 for engaging with the holder 1. The surface of needle protecting sleeve 52 has an indicating protrusion 53 that can feed back the exposed length of needle 22 according to the angle of rotation of the threaded structure.
The operation method of this embodiment is the same as that of embodiment 1, and thus will not be described again.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Pen-holding type rack accurate injector, characterized by comprising: the device comprises a bracket and a limiting mechanism arranged at the front end of the bracket, wherein an injector is fixed on the bracket, the tail part of the injector is connected with a rack device, and the rack device precisely pushes the dosage in the injector under the control action of a processing terminal;
the syringe comprises a syringe body, a needle head and a push rod, wherein the syringe body is fixed on the bracket through a fastener, the fastener comprises a first fastener and a second fastener, and the first fastener and the second fastener are respectively fixed at the front part and the rear part of the syringe body;
the rack device comprises a power motor, a power gear and a rack, and the rack is connected with a push rod of the injector;
the first fastener and the second fastener are adjustable fasteners; the rack is fixedly connected with the push rod of the injector through a third fastener;
the support is provided with a sliding rail, the rack is provided with a traveling block, and the traveling block is embedded in the sliding rail; the walking block and the rack are of an integrated structure;
the power gear consists of a large gear and a small gear which are meshed with each other, the small gear is connected with the power motor, and the large gear is meshed with the rack.
2. The pen-holding rack precise syringe according to claim 1, wherein the holder has a holding portion and a certain arc on the surface thereof.
3. The pen-holding rack precise injector according to claim 1, wherein the limiting mechanism is a needle limiting hook, the number of the needle limiting hooks is two, and the needle is arranged between the two needle limiting hooks.
4. A pen-holding rack precision injector as claimed in claim 3, wherein the end of the needle limit hook has an arc-shaped bending part.
5. A pen-holding rack precision injector as claimed in claim 3, wherein the tip of the needle limit hook is fixed to the support by a telescopic rod.
6. The pen-holding rack precise syringe of claim 1, wherein the limiting mechanism is a needle protecting sleeve, the front part of the needle protecting sleeve is provided with an opening which can be used for accommodating a needle to pass through, and the tail end is provided with a thread structure matched with the bracket.
7. The pen-holding rack precise syringe according to claim 6, wherein the surface of the screw structure is provided with an indication protrusion, and the exposed length of the needle can be fed back according to the rotation angle of the screw structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205985.6A CN109289103B (en) | 2018-10-17 | 2018-10-17 | Pen-holding type rack accurate injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205985.6A CN109289103B (en) | 2018-10-17 | 2018-10-17 | Pen-holding type rack accurate injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109289103A CN109289103A (en) | 2019-02-01 |
| CN109289103B true CN109289103B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811205985.6A Active CN109289103B (en) | 2018-10-17 | 2018-10-17 | Pen-holding type rack accurate injector |
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| CN (1) | CN109289103B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110051389A (en) * | 2019-06-06 | 2019-07-26 | 忻俊 | Pen-holding type biopsy device |
| CN111281441A (en) * | 2020-03-13 | 2020-06-16 | 北京大学深圳医院 | Liver sample suction auxiliary device for liver disease puncture |
| CN112426593B (en) * | 2020-10-12 | 2022-04-29 | 河南科技大学第一附属医院 | Injection device for plastic surgery |
| CN114308536B (en) * | 2021-12-10 | 2023-06-23 | 武汉航空仪表有限责任公司 | Stepless regulation type oil dispensing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001000543A (en) * | 1999-06-18 | 2001-01-09 | Shirota Denki Rozai Kk | Device for confirming injecting speed of injection liquid in motor-driven injector |
| CN102614565A (en) * | 2012-04-01 | 2012-08-01 | 上海大学 | Automatic micro-injection device |
| KR20130122209A (en) * | 2012-04-30 | 2013-11-07 | 정은주 | An injetion device |
| CN107440814A (en) * | 2017-07-31 | 2017-12-08 | 山东中医药大学 | A kind of adjustable precise continuous syringe and its application method |
| CN108421131A (en) * | 2018-04-08 | 2018-08-21 | 复旦大学附属眼耳鼻喉科医院 | A kind of roller type multi injector |
| CN209137616U (en) * | 2018-10-17 | 2019-07-23 | 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 |
-
2018
- 2018-10-17 CN CN201811205985.6A patent/CN109289103B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001000543A (en) * | 1999-06-18 | 2001-01-09 | Shirota Denki Rozai Kk | Device for confirming injecting speed of injection liquid in motor-driven injector |
| CN102614565A (en) * | 2012-04-01 | 2012-08-01 | 上海大学 | Automatic micro-injection device |
| KR20130122209A (en) * | 2012-04-30 | 2013-11-07 | 정은주 | An injetion device |
| CN107440814A (en) * | 2017-07-31 | 2017-12-08 | 山东中医药大学 | A kind of adjustable precise continuous syringe and its application method |
| CN108421131A (en) * | 2018-04-08 | 2018-08-21 | 复旦大学附属眼耳鼻喉科医院 | A kind of roller type multi injector |
| CN209137616U (en) * | 2018-10-17 | 2019-07-23 | 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 |
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| CN109289103A (en) | 2019-02-01 |
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