CN108597574A - A kind of Grainy fat tissue injecting systems in human body local solids flux operation - Google Patents

A kind of Grainy fat tissue injecting systems in human body local solids flux operation Download PDF

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Publication number
CN108597574A
CN108597574A CN201810719843.5A CN201810719843A CN108597574A CN 108597574 A CN108597574 A CN 108597574A CN 201810719843 A CN201810719843 A CN 201810719843A CN 108597574 A CN108597574 A CN 108597574A
Authority
CN
China
Prior art keywords
syringe
pump
push rod
fat tissue
syringe pump
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
Application number
CN201810719843.5A
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Chinese (zh)
Inventor
胡荣军
钟伟洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Fath Medical Beauty Clinic Ltd
Original Assignee
Guangzhou Fath Medical Beauty Clinic Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Fath Medical Beauty Clinic Ltd filed Critical Guangzhou Fath Medical Beauty Clinic Ltd
Priority to CN201810719843.5A priority Critical patent/CN108597574A/en
Publication of CN108597574A publication Critical patent/CN108597574A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H20/00ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance
    • G16H20/10ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
    • G16H20/17ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients delivered via infusion or injection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate

Abstract

A kind of Grainy fat tissue injecting systems in performing the operation the present invention provides human body local solids flux, including syringe and syringe pump, syringe include syringe, piston, push rod;Push rod top is fixedly connected with the piston, and the intracavity sidewall of syringe is provided with screw thread, the lateral wall of push rod be provided with the matched screw of screw thread, and the screw on push rod can move back and forth along the screw thread on syringe;Syringe pump includes the syringe pump pump housing, syringe propulsion die and controller;Controller is electrically connected with syringe propulsion die, the end connection of syringe propulsion die and push rod;Syringe is located at the top of the syringe pump pump housing with syringe propulsion die;Syringe is equipped with radio frequency discrimination RFID electronic tag, is correspondingly arranged on RFID reader on syringe pump, RFID reader is electrically connected with the controller.

Description

A kind of Grainy fat tissue injecting systems in human body local solids flux operation
Technical field
The present invention relates to technology human body local solids flux technical fields, more particularly to a kind of human body local solids flux Grainy fat tissue injecting systems in operation.
Background technology
Clinical autologous fat transplantation is primarily referred to as deficiency, asymmetry that body body surface has recess or local organization amount, leads to It crosses and the liposuction at other positions of body is transplanted to insufficient or recess position, to reach therapeutic purposes.It generally comprises following Several steps:1. the acquisition of autologous fat largely contains local anesthetic and blood vessel by plavini in subcutaneous layer of fat injection The liquid for shrinking element by lipochondrion dispersion, dissociates, is then pumped out lipochondrion in vitro by negative-pressure ward pipe;2. will The lipochondrion cleaning pumped out, removes impurity and part moisture content, obtains pure, uniform lipochondrion;3. by screening Lipochondrion injects the position of human body domestic demand filling by syringe.
And for lipochondrion injection technique, syringe injecting method is mostly used at present, is the fat by hand by screening Grain collect, be packed into injection needle tube, by syringe needle be changed to thin suction tube, be inserted into human body need to fill position, by fat inject.It is injecting The upper nothing of amount, injection pressure, Guan Jing passes through the specific standard of scientific experiment.There are following insufficient or disadvantages for the prior art:Using Lipochondrion is inserted injection needle tube, and lipochondrion is squeezed out injection human body by hand injection pressure power by manual method.This process The problem of being primarily present is that hand notes pressure size unevenness, easy damaged lipochondrion.Meanwhile because lipochondrion is not of uniform size, resistance It changes greatly, hand notes the problems such as injection volume is not easy to control, and local excess injection easily causes necrosis, liquefaction.
Invention content
Based on this, it is necessary to provide the Grainy fat tissue injecting systems in a kind of operation of human body local solids flux, including note Emitter and syringe pump, the syringe include syringe, piston, push rod, syringe needle;The push rod top is fixedly connected with the piston, institute The intracavity sidewall for stating syringe is provided with screw thread, and the lateral wall of push rod is provided with and the matched screw of the screw thread, and the spiral shell on push rod Silk can move back and forth along the screw thread on syringe, and the syringe needle is inserted in the top of syringe;
The syringe pump includes the syringe pump pump housing, syringe propulsion die, display board and controller;The controller and note Emitter propulsion die is electrically connected, and the end of the syringe propulsion die and push rod connects;Syringe and syringe propulsion die Positioned at the top of the syringe pump pump housing, display board is located at syringe pump pump housing side, and display board is electrically connected with the controller;
It is additionally provided with radio frequency discrimination RFID electronic tag on the syringe, is correspondingly arranged on the syringe pump and is useful for obtaining The RFID reader of the radio-frequency information of the RFID electronic label, the RFID reader is taken to be electrically connected with the controller;It is described to penetrate Frequency information includes the specification information of syringe;Specification information of the controller in the syringe for receiving RFID reader acquisition Afterwards, parameter setting is carried out to syringe pump automatically according to specification information, and fltting speed is calculated according to the parameter of setting, and according to meter Calculate the push rod that output control propulsion die at the uniform velocity promotes the syringe;
User authentication module is additionally provided on the syringe pump, the user authentication module is electrically connected with controller It connects;The user authentication module verifies effective identity of user before user is using syringe pump, and is verifying By the way that syringe pump normal work can be controlled later.
The enclosure interior in the syringe of the syringe is arranged in the RFID electronic label in one of the embodiments,.
The RFID reader is arranged in the shell of the injection installation position of the syringe pump in one of the embodiments, Portion, for the syringe when being packed into the syringe pump, the side for being equipped with the RFID electronic label of the syringe is towards institute State injection installation position.
The length of the push rod is more than the length of syringe in one of the embodiments,.
The syringe propulsion die is micro-driving motor in one of the embodiments,.
The syringe is fixed on using pull rod at the top of the syringe pump pump housing in one of the embodiments,;
Coarse adjustment key, thin tuning key, beginning/Pause key, fast is equipped with above the display board in one of the embodiments, Into key, confirmation/clear key, selection key, mode key, demarcating key, work light, alarm lamp and liquid crystal display.
The user authentication module is fingerprint Identification sensor in one of the embodiments,.
The syringe pump further includes memory module in one of the embodiments, and the memory module is electrically connected with controller It connects.
Grainy fat tissue injecting systems provided by the invention, including syringe and syringe pump, the syringe include syringe, work Plug, push rod, syringe needle;The push rod top is fixedly connected with the piston, and the intracavity sidewall of the syringe is provided with screw thread, push rod it is outer Side wall be provided with the matched screw of the screw thread, and the screw on push rod can move back and forth along the screw thread on syringe, the needle Head is inserted in the top of syringe;The syringe pump includes the syringe pump pump housing, syringe propulsion die, display board and controller;It is described Controller is electrically connected with syringe propulsion die, the end connection of the syringe propulsion die and push rod;Syringe and injection Device propulsion die is located at the top of the syringe pump pump housing, and display board is located at syringe pump pump housing side, and display board is electrically connected with the controller; It is additionally provided with radio frequency discrimination RFID electronic tag on the syringe, is correspondingly arranged and is useful for described in acquisition on the syringe pump The RFID reader of the radio-frequency information of RFID electronic label, the RFID reader are electrically connected with the controller;The radio-frequency information Specification information including syringe;The controller is after receiving the specification information of syringe of RFID reader acquisition, root Parameter setting is carried out to syringe pump automatically according to specification information, and fltting speed is calculated according to the parameter of setting, and is tied according to calculating Fruit control propulsion die at the uniform velocity promotes the push rod of the syringe;User authentication module, institute are additionally provided on the syringe pump User authentication module is stated to be electrically connected with the controller;The user authentication module user using before syringe pump to Effective identity at family is verified, and syringe pump normal work can be controlled after being verified.
The present invention passes through controller, syringe propulsion die, user by using new syringe, injecting pump structure RFID technique is applied in syringe pump and syringe by authentication module, realizes automatic knowledge of the syringe pump to specification of syringe Not, and the precision higher of identification, a kind of intelligent automatic injection system is constituted, the process of injection has significantly been refined, Syringe is held with hand without medical staff, has in injection volume, injection pressure and more accurately controls, reduces injection Risk.
Description of the drawings
Fig. 1 is the Grainy fat tissue injecting systems front view in a kind of human body local solids flux operation in one embodiment Structural schematic diagram;
Fig. 2 is the circuit of the Grainy fat tissue injecting systems in a kind of operation of human body local solids flux in another embodiment Block diagram.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
The description of specific distinct unless the context otherwise, the present invention in element and component, the shape that quantity both can be single Formula exists, and form that can also be multiple exists, and the present invention is defined not to this.Although step in the present invention with label into It has gone arrangement, but is not used to limit the precedence of step, unless expressly stated the order of step or holding for certain step Based on row needs other steps, otherwise the relative rank of step is adjustable.It is appreciated that used herein Term "and/or" one of is related to and covers associated Listed Items or one or more of any and all possible groups It closes.
In one embodiment, as shown in Figure 1 and Figure 2, the Grainy fat tissue injection in a kind of human body local solids flux operation System, including syringe 100 and syringe pump 200, the syringe 100 include syringe 1, piston 2, push rod 3, syringe needle 4;It is described to push away 3 top of bar is fixedly connected with piston 2, and the intracavity sidewall of the syringe 1 is provided with screw thread 5, the lateral wall of push rod 3 be provided with it is described 5 matched screw of screw thread, and the screw on push rod 3 can move back and forth along the screw thread 5 on syringe 1, the syringe needle 4 is inserted in syringe 1 top;
The syringe pump 200 includes the syringe pump pump housing 6, syringe propulsion die 7, display board 8 and controller 9;The control Device 9 processed is electrically connected with syringe propulsion die 7, and the syringe propulsion die 7 is connect with the end of push rod 3;Syringe 100 with Syringe propulsion die 7 is located at the top of the syringe pump pump housing 6, and display board 8 is located at 6 side of the syringe pump pump housing, display board 8 and control Device 9 is electrically connected;
It is additionally provided with radio frequency discrimination RFID electronic tag 10 on the syringe 100, is correspondingly arranged on the syringe pump 200 It is useful for obtaining the RFID reader 11 of the radio-frequency information of the RFID electronic label, the RFID reader 11 and controller 9 Electrical connection;The radio-frequency information includes the specification information of syringe;The controller 9 is receiving the acquisition of RFID reader 11 After the specification information of syringe, parameter setting is carried out to syringe pump 200 according to specification information automatically, and according to the parameter meter of setting Fltting speed is calculated, and the push rod 3 that propulsion die 7 at the uniform velocity promotes the syringe is controlled according to result of calculation;
User authentication module 12, the user authentication module 12 and control are additionally provided on the syringe pump 200 Device 9 is electrically connected;The user authentication module 12 tests effective identity of user before user is using syringe pump 200 Card, and the normal work of syringe pump 200 can be controlled after being verified.
The syringe identifying system of the present embodiment is based on RFID, and (RadioFrequencyIdentification, radio frequency are known RFID is applied to identification of the syringe pump 200 to syringe 100 by not) technology, and unique mark is installed in each syringe 100 The RFID electronic label 10 of knowledge, in RFID electronic label 10 configured with the unique corresponding information of syringe 100, in the information Include the specification information of syringe 100, including brand, manufacturer, batch number, the contents such as capacity, caliber.In syringe After 100 are packed into syringe pump 200, RFID reader 11 obtains the radio-frequency information of RFID electronic label 10 automatically, and is sent to control Device 9, controller 9 carry out analyzing processing to radio-frequency information, and the specification information of syringe 100 is obtained according to radio-frequency information, automatic to know Do not go out the specification of syringe 10, and the specification information recognized is stored, realize accurately identifying to syringe 100, shows Show that plate 8 can show the specification information recognized, is referred to when carrying out operation in next step to syringe pump 200 for operator.
In one of the embodiments, after the specification information of the analysis of controller 9 acquisition syringe 100, it can be believed according to specification Breath carries out parameter setting to syringe pump 200 automatically, and calculates fltting speed according to the parameter of setting, and is controlled according to result of calculation Propulsion die 7 at the uniform velocity promotes the push rod 3 of syringe 100, realizes being arranged and accurately controlling automatically to syringe pump 200.
The present embodiment carries out body by being equipped with user authentication module on syringe pump to the user/medical staff used Part verification only can control syringe pump after in authentication and be worked normally, it is ensured that and equipment is licensed, It can prevent the unauthorized of injecting systems from using, further ensure the safe to use of system.
The present invention passes through controller, syringe propulsion die, user by using new syringe, injecting pump structure RFID technique is applied in syringe pump and syringe by authentication module, realizes automatic knowledge of the syringe pump to specification of syringe Not, and the precision higher of identification, a kind of intelligent automatic injection system is constituted, the process of injection has significantly been refined, Syringe is held with hand without medical staff, has in injection volume, injection pressure and more accurately controls, reduces injection Risk.
The RFID electronic label 10 is arranged in the shell of the syringe 1 of the syringe in one of the embodiments, Portion.The enclosure interior in the injection installation position of the syringe pump 200 is arranged in the RFID reader 11, and the syringe 100 exists When being packed into the syringe pump 200, the side for being equipped with the RFID electronic label 10 of the syringe 1 is installed towards the injection Position.If the enclosure interior in the injection installation position of syringe pump 200 is arranged in RFID reader, syringe 100 is being packed into syringe pump When 200, the side direction injection installation position for being equipped with RFID electronic label of syringe;If being arranged RFID reader in syringe pump The inside of 200 fixed handle, syringe 100 is when being packed into syringe pump 200, be equipped with RFID electronic label one of syringe 1 Side is towards fixed handle, since fixed handle is usually fastened on 1 end of syringe of syringe 100, RFID electronics marks when mounted Label may also set up in the end of syringe 1.The present embodiment is by being installed on injection installation position enclosure interior or the fixation of syringe pump 200 The RFID reader of handle inner, the RFID electronic label of 1 enclosure interior of syringe of automatic identification syringe 100 are based on RFID The identification method of technology identifies precision higher.
The length of the push rod 3 is more than the length of syringe 1 in one of the embodiments,.
The syringe propulsion die 7 is micro-driving motor in one of the embodiments,.
The syringe 100 is fixed on 6 top of the syringe pump pump housing using pull rod in one of the embodiments,;
In one of the embodiments, the display board 8 above be equipped with coarse adjustment key, thin tuning key, beginning/Pause key, Fast forward button, confirmation/clear key, selection key, mode key, demarcating key, work light, alarm lamp and liquid crystal display.
The user authentication module 12 is fingerprint Identification sensor, the syringe pump in one of the embodiments, 200 further include memory module 13, and the memory module 13 is electrically connected with controller 9.It in the present embodiment, can be in advance in system In the user used is authorized, the user only authorized could use this injecting systems, in one of the embodiments, First the user list of mandate can be stored in module everywhere, identity is first carried out subsequently before user is using this system and is tested Card, the rear being only verified allow it to use this system.It in one of the embodiments can as needed according to the time period It is configured, such as 9:00-10:00 Zhang San can use, and 10:00-11:00 Li Si can use, naturally it is also possible to according to reality Border is reset.And the biometric sensor of the fingerprint Identification sensor used in the present embodiment, fingerprint tool There is uniqueness, therefore this is easy way for authentication.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (9)

1. the Grainy fat tissue injecting systems in a kind of human body local solids flux operation, which is characterized in that including syringe and note Pump is penetrated, the syringe includes syringe (1), piston (2), push rod (3), syringe needle (4);Push rod (3) top is solid with piston (2) Fixed connection, the intracavity sidewall of the syringe (1) are provided with screw thread (5), and the lateral wall of push rod (3) is provided with and the screw thread (5) The screw matched, and the screw on push rod (3) can move back and forth along the screw thread on syringe (1), the syringe needle (4) is inserted in syringe (1) top;
The syringe pump includes the syringe pump pump housing (6), syringe propulsion die (7), display board (8) and controller (9);The control Device (9) processed is electrically connected with syringe propulsion die (7), and the syringe propulsion die (7) connect with the end of push rod (3);Note Emitter is located at the top of the syringe pump pump housing (6) with syringe propulsion die (7), and display board (8) is located at the syringe pump pump housing (6) side Face, display board (8) are electrically connected with controller (9);
It is additionally provided with radio frequency discrimination RFID electronic tag (10) on the syringe, is correspondingly arranged on the syringe pump and is useful for obtaining Take the RFID reader (11) of the radio-frequency information of the RFID electronic label (10), the RFID reader (11) and controller (9) it is electrically connected;The radio-frequency information includes the specification information of syringe;The controller (9) is receiving RFID reader (11) after the specification information of the syringe obtained, parameter setting is carried out to syringe pump according to specification information automatically, and according to setting Parameter calculate fltting speed, and propulsion die (7) is controlled according to result of calculation and at the uniform velocity promotes the push rod (3) of the syringe;
User authentication module (12), the user authentication module (12) and controller are additionally provided on the syringe pump (9) it is electrically connected;The user authentication module (12) tests effective identity of user before user is using syringe pump Card, and syringe pump normal work can be controlled after being verified.
2. Grainy fat tissue injecting systems according to claim 1, which is characterized in that RFID electronic label (10) setting In the enclosure interior of the syringe (1) of the syringe.
3. Grainy fat tissue injecting systems according to claim 2, which is characterized in that RFID reader (11) setting exists The enclosure interior of the injection installation position of the syringe pump, the syringe is when being packed into the syringe pump, the peace of the syringe (1) Side equipped with the RFID electronic label is towards the injection installation position.
4. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the length of the push rod (3) is big Length in syringe (1).
5. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the syringe propulsion die (7) is Micro-driving motor.
6. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the syringe is fixed on using pull rod At the top of the syringe pump pump housing (6);
7. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the display board (8) is equipped with thick above Adjusting key, thin tuning key, beginning/Pause key, fast forward button, confirmation/clear key, selection key, mode key, demarcating key, work instruction Lamp, alarm lamp and liquid crystal display.
8. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the user authentication module (12) For fingerprint Identification sensor.
9. Grainy fat tissue injecting systems according to claim 1, which is characterized in that the syringe pump further includes memory module (13), the memory module (13) is electrically connected with controller (9).
CN201810719843.5A 2018-07-03 2018-07-03 A kind of Grainy fat tissue injecting systems in human body local solids flux operation Pending CN108597574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810719843.5A CN108597574A (en) 2018-07-03 2018-07-03 A kind of Grainy fat tissue injecting systems in human body local solids flux operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810719843.5A CN108597574A (en) 2018-07-03 2018-07-03 A kind of Grainy fat tissue injecting systems in human body local solids flux operation

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CN108597574A true CN108597574A (en) 2018-09-28

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030014013A1 (en) * 2001-07-12 2003-01-16 Choi Soo Bong Remote-controlled portable automatic syringe device
TW200841894A (en) * 2007-04-27 2008-11-01 Dermato Plastica Beauty Dpb Co Ltd Micro-injection device with adjustable volume
CN101437559A (en) * 2006-05-04 2009-05-20 皇家飞利浦电子股份有限公司 Medical injector with automatic dosage determination and electronic means for authentication of user
CN102847209A (en) * 2012-08-29 2013-01-02 深圳市好克光电仪器有限公司 Injector identification system and injection pump
TWM498598U (en) * 2014-10-24 2015-04-11 Chieh-Feng Chen Adjustable spiral injection device
CN107913447A (en) * 2017-12-22 2018-04-17 新昌县佳拓机械有限公司 A kind of medical electric syringe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030014013A1 (en) * 2001-07-12 2003-01-16 Choi Soo Bong Remote-controlled portable automatic syringe device
CN101437559A (en) * 2006-05-04 2009-05-20 皇家飞利浦电子股份有限公司 Medical injector with automatic dosage determination and electronic means for authentication of user
TW200841894A (en) * 2007-04-27 2008-11-01 Dermato Plastica Beauty Dpb Co Ltd Micro-injection device with adjustable volume
CN102847209A (en) * 2012-08-29 2013-01-02 深圳市好克光电仪器有限公司 Injector identification system and injection pump
TWM498598U (en) * 2014-10-24 2015-04-11 Chieh-Feng Chen Adjustable spiral injection device
CN107913447A (en) * 2017-12-22 2018-04-17 新昌县佳拓机械有限公司 A kind of medical electric syringe

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