CN110101936A - A kind of accurate drug delivery device of oncology - Google Patents
A kind of accurate drug delivery device of oncology Download PDFInfo
- Publication number
- CN110101936A CN110101936A CN201910471808.0A CN201910471808A CN110101936A CN 110101936 A CN110101936 A CN 110101936A CN 201910471808 A CN201910471808 A CN 201910471808A CN 110101936 A CN110101936 A CN 110101936A
- Authority
- CN
- China
- Prior art keywords
- cylindrantherae
- drug delivery
- delivery device
- screw
- cavity
- 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.)
- Granted
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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
- A61M5/008—Racks for supporting syringes or 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14212—Pumping with an aspiration and an expulsion action
- A61M5/14216—Reciprocating piston type
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- 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
- A61M5/42—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 desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced
- A61M5/427—Locating point where body is to be pierced, e.g. vein location means using ultrasonic waves, injection site templates
-
- 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
- A61M5/52—Arm-rests
Abstract
The present invention relates to tumours, and correlative technology field is administered, specifically a kind of accurate drug delivery device of oncology, including giving cylindrantherae and sealed ring, the outer tube wall setting to cylindrantherae is equipped with fixed frame, the fixing end of the sealed ring is mounted on fixed frame by built-in movable bolt, the folding end of the sealed ring is provided with external movable bolt, the inner cavity to cylindrantherae is provided with to medicine cavity and drive cavity, the administration chamber built-in piston, piston rod is installed on the rear wall of the piston, the rear rod end of the piston rod stretches in drive cavity and is equipped with drive screw, screw shell is installed built in the drive cavity, the inner wall of the screw shell is provided with internal screw thread, the internal screw thread of the drive screw and screw shell mutually carves conjunction.Injection position can be accurately positioned in the application, avoid administration error, be further ensured that quality of medical care.
Description
Technical field
The present invention relates to tumours, and correlative technology field, specifically a kind of accurate drug delivery device of oncology is administered.
Background technique
In traditional medical procedure, passing through artery administration, injection contrast agent, central vein nutrition, venous blood collection, anticancer
It is administered either systemically or locally, chest, abdomen drainage etc. whens, mostly use plug in duct to carry out, and this plug in duct be easy infection, behaviour
It is inconvenient to make, and reliability is low, hinders the deficiency of patient's action etc..To solve the above-mentioned problems, it is administered at present using embedding pump in vivo,
Pump housing implantation is subcutaneous, and conduit can pass through selected artery, vein or intracavitary (including abdominal cavity, thoracic cavity, pelvic cavity etc.) various approach
The specified location for reaching lesion injects medical fluid through the puncture window of the embedding pump of skin penetrating with injection needle, can repeatedly, for a long time, instead
Multiple dabbling drug, it is smaller than the toxic side effect of Formulations for systemic administration by selected approach target administration, and also local drug concentration is high, and it can be straight
It is connected to up to diseased region, strong to cancer cell lethality, the treatment curative effect of other administrations is also preferable, can avoid conventional cannula and the external world
Contact causes to infect, avoids the vascular sclerosis necrosis caused by puncturing for a long time in vein blood vessel, and patient can it is as usual movable, wash
Bath, swimming etc.；Especially during pumping vascular drug delivery by artery, artery pump-type conduit is equipped with into endovascular front end to be split
Gap type check valve makes artery catheter pump have anti-reflux, not blood back effect in blood vessel, prevents bolt after artery catheter pump blood back
It fills in and leads to plugging.
Chinese patent (Authorization Notice No.: CN206964870U) discloses a kind of oncology drug delivery device, due to storing medicine bottle
On be linked with air bag, flow control seat is transported to after enabling to the drug in storing medicine bottle to heat in heat block by extruding gasbag,
Being conducive to drug can smoothly be injected into human body, improve administration rate.But there are certain technological deficiency, the application wants after all
By the way of skin penetrating, once there are errors for position, it will cause the big heavy discounts of curative effect.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of accurate drug delivery device of oncology
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of accurate drug delivery device of oncology, including cylindrantherae and sealed ring are given, installation is arranged in the outer tube wall to cylindrantherae
There is fixed frame, the fixing end of the sealed ring is mounted on fixed frame by built-in movable bolt, and the folding end of the sealed ring is set
It is equipped with external movable bolt, the folding end to cylindrantherae is equipped with locking bolt, and the locking bolt includes drive cavity, the drive cavity
Built-in adjusting screw rod is installed by screw thread, the outer rod end of the adjusting screw rod is equipped with regulation cock, the regulation cock respectively with it is upper
The external movable bolt at lower both ends is connected by pulling plug, and the inner cavity to cylindrantherae is provided with to medicine cavity and drive cavity, described to give
Medicine cavity built-in piston is equipped with piston rod on the rear wall of the piston, and the rear rod end of the piston rod stretches in drive cavity simultaneously
And drive screw is installed, and screw shell is installed built in the drive cavity, the inner wall of the screw shell is provided with internal screw thread,
The internal screw thread of the drive screw and screw shell mutually carves conjunction.
As a further solution of the present invention: the outer end of the adjusting screw rod is equipped with slide block.
As a further solution of the present invention: driving motor built in the drive cavity, the screw shell are mounted on transmission
The driving end of motor.
As a further solution of the present invention: the folding end of the sealed ring is equipped with fixed block, the fixation of upper and lower ends
Reinforcing band is provided between block.
As a further solution of the present invention: the infusion end to cylindrantherae is equipped with perfusion tube, pacifies on the perfusion tube
Equipped with infusion niidl.
As a further solution of the present invention: substrate being installed at left and right sides of the fixed frame, is equipped with and penetrates on substrate
Lamp indicator, the shot-light indicator are installed on substrate by locating shaft, are equipped with lamp cap on the shot-light indicator.
As further scheme of the invention: being provided with curved track, the shot-light instruction between the substrate of the left and right sides
Ball is installed, the ball is entrenched in curved track on device.
Compared with prior art, the beneficial effects of the present invention are:
In order to keep the accuracy of administering position, the application is arranged sealed ring and the limbs of sufferer is fixed, passes through one,
Screw-driven makes the folding end of sealed ring be in the state slowly locked, and guarantee is fixed sufferer limbs, synchronizes and avoid
Wear limbs.
Two, the application will be integrated to cylindrantherae and sealed ring, and by the way of automatic injection, will
Positioning is integrated into same treatment steps with injection, the accuracy being held in position, and avoids causing therapeutical error when injection.
Three, are additionally provided with shot-light indicator for the accuracy that is further held in position, the application, by twice ray it
Between the crosspoint that is formed be further ensured that quality of medical care for injection position to be accurately positioned.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, to show the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.Meanwhile these attached drawings and verbal description are not intended to by appointing
Where formula limits the range of the application design, but illustrates the application's by referring to specific embodiments for those skilled in the art
Concept.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of sealed ring in the present invention.
Fig. 3 is the structural schematic diagram of locking bolt in the present invention.
Fig. 4 is in the present invention to the structural schematic diagram of cylindrantherae.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention two.
In figure: 1- is driven to cylindrantherae, 11- fixed frame, 12- to medicine cavity, 13- drive cavity, 14- piston, 15- piston rod, 16-
Screw rod, 17- screw shell, 18- internal screw thread, the sealed ring of 2-, movable bolt, 22- fixed block, 23- built in 21- reinforce band, outside 24-
Set movable bolt, 3- locking bolt, 31- drive cavity, 32- adjusting screw rod, 33- slide block, 35- regulation cock, 36- pulling plug, 4- substrate,
41- shot-light indicator, 42- locating shaft, 43- lamp cap, 44- ball, 45- curved track, 51- perfusion tube, 52- infusion niidl.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, the example is illustrated in the accompanying drawings.In the following description when referring to the accompanying drawings, unless otherwise indicated, the phase in different attached drawings
Or same element identical with digital representation.
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment one:
Fig. 1, Fig. 2 and Fig. 3, a kind of accurate drug delivery device of oncology are please referred to, including gives cylindrantherae 1 and sealed ring 2, it is described to give
The outer tube wall setting of cylindrantherae 1 is equipped with fixed frame 11, and the fixing end of the sealed ring 2 is mounted on fixation by built-in movable bolt 21
On frame 11, the folding end of the sealed ring 2 is provided with external movable bolt 24, and the folding end to cylindrantherae 1 is equipped with locking bolt
3, the locking bolt 3 includes drive cavity 31, and the drive cavity 31 installs built-in adjusting screw rod 32, the adjusting screw rod by screw thread
32 outer rod end is equipped with regulation cock 35, and the regulation cock 35 passes through 36 phase of pulling plug with the external movable bolt 24 of upper and lower ends respectively
Connection, the outer end of the adjusting screw rod 32 is equipped with slide block 33.
In order to keep the accuracy of administering position, the application is arranged sealed ring 2 and the limbs of sufferer is fixed, operation
When, it drives adjusting screw rod 32 to move by slide block 33, is pulled by screw-driven and moved outside regulation cock 35, to drive lower both ends
External movable bolt polymerize inwardly so that the folding end of sealed ring 2 is in the state slowly locked, guarantee is to sufferer limb
Body is fixed, and synchronizes and avoids abrasion limbs.
The folding end of the sealed ring 2 is equipped with fixed block 22, is provided with reinforcing band between the fixed block 22 of upper and lower ends
23.It is same as that limbs are auxiliarily fixed.
Fig. 1 and Fig. 4 are please referred to, the inner cavity to cylindrantherae 1 is provided with to medicine cavity 12 and drive cavity 13, described to give medicine cavity 12
Built-in piston 14 is equipped with piston rod 15 on the rear wall of the piston 14, and the rear rod end of the piston rod 15 stretches to drive cavity
In 13 and drive screw 16, driving motor 19 built in the drive cavity 13, the driving end peace of the driving motor 19 are installed
Equipped with screw shell 17, the inner wall of the screw shell 17 is provided with internal screw thread 18, the drive screw 16 and screw shell 17
Internal screw thread mutually carve conjunction.The infusion end to cylindrantherae 1 is equipped with perfusion tube 51, is equipped with infusion niidl on the perfusion tube 51
52。
It itself will be integrated to cylindrantherae 1 and sealed ring 2, consequently facilitating synchronizing and being infused after finding positioning accurately
Penetrate medical fluid.Nurse punctures infusion niidl 52 into human skin, is fixed by medical adhesive tape.Start driving motor 19 at this time, this
Driving motor 19 uses push button driving method in application, reaches 16 advances of drive screw by screw-driven, to push away
Piston bar 15 travels forward, so that liquid medicine injection be injected in perfusion tube 51.The application will be set as to cylindrantherae 1 and sealed ring 2
Integrated apparatus, and by the way of automatic injection, positioning is integrated into same treatment steps with injection, is held in position
Accuracy avoids causing therapeutical error when injection.
Embodiment two:
Fig. 1 and Fig. 5 are please referred to, the present embodiment further optimizes as embodiment one, on its basis, the fixed frame
11 left and right sides is equipped with substrate 4, and shot-light indicator 41 is equipped on substrate 4, and the shot-light indicator 41 passes through locating shaft
42 are mounted on substrate 4, and lamp cap 43 is equipped on the shot-light indicator 41, is provided with arc between the substrate 4 of the left and right sides
Rail 45 is equipped with ball 44 on the shot-light indicator 41, and the ball 44 is entrenched in curved track 45.
For the accuracy being further held in position, the application is additionally provided with shot-light indicator 41, and shot-light indicator 41 can
To be that axle center is rotated with locating shaft 42.Curved track 45 plays the effect of limit, while curved track 45 to shot-light indicator 41
On be provided with angle index line, can be used for shot-light indicator 41 carry out angle positioning, pass through what is formed between twice ray
Crosspoint is further ensured that quality of medical care for injection position to be accurately positioned.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of accurate drug delivery device of oncology, including cylindrantherae (1) and sealed ring (2) are given, the outer tube wall to cylindrantherae (1) is set
It sets and is equipped with fixed frame (11), the fixing end of the sealed ring (2) is mounted on fixed frame (11) by built-in movable bolt (21),
It is characterized in that, the folding end of the sealed ring (2) is provided with external movable bolt (24), the folding end to cylindrantherae (1) is pacified
Equipped with locking bolt (3), the locking bolt (3) includes drive cavity (31), and the drive cavity (31) installs built-in adjust by screw thread
The outer rod end of screw rod (32), the adjusting screw rod (32) is equipped with regulation cock (35), and the regulation cock (35) is respectively with upper and lower two
The external movable bolt (24) at end is connected by pulling plug (36), and the inner cavity to cylindrantherae (1) is provided with to medicine cavity (12) and passes
Dynamic chamber (13), it is described to give medicine cavity (12) built-in piston (14), it is equipped with piston rod (15) on the rear wall of the piston (14), it is described
The rear rod end of piston rod (15) is stretched in drive cavity (13) and is equipped with drive screw (16), and the drive cavity (13) is built-in
Be equipped with screw shell (17), the inner wall of the screw shell (17) is provided with internal screw thread (18), the drive screw (16) with
The internal screw thread of screw shell (17) mutually carves conjunction.
2. the accurate drug delivery device of oncology according to claim 1, which is characterized in that the outer end of the adjusting screw rod (32)
Slide block (33) are installed.
3. the accurate drug delivery device of oncology according to claim 1, which is characterized in that the built-in transmission of the drive cavity (13)
Motor (19), the screw shell (17) are mounted on the driving end of driving motor (19).
4. the accurate drug delivery device of oncology according to claim 1, which is characterized in that the folding end of the sealed ring (2)
It is equipped with fixed block (22), reinforcing band (23) is provided between the fixed block (22) of upper and lower ends.
5. the accurate drug delivery device of oncology according to claim 1, which is characterized in that the infusion end to cylindrantherae (1)
It is equipped with perfusion tube (51), infusion niidl (52) is installed on the perfusion tube (51).
6. -5 any accurate drug delivery device of oncology according to claim 1, which is characterized in that the fixed frame (11)
The left and right sides is equipped with substrate (4), is equipped on substrate (4) shot-light indicator (41), and it is fixed that the shot-light indicator (41) passes through
Position axis (42) is mounted on substrate (4), is equipped with lamp cap (43) on the shot-light indicator (41).
7. the accurate drug delivery device of oncology according to claim 6, which is characterized in that between the substrate (4) of the left and right sides
It is provided with curved track (45), is equipped with ball (44) on the shot-light indicator (41), the ball (44) is entrenched in curved track
(45) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471808.0A CN110101936B (en) | 2019-05-31 | 2019-05-31 | Accurate device of dosing of oncology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471808.0A CN110101936B (en) | 2019-05-31 | 2019-05-31 | Accurate device of dosing of oncology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110101936A true CN110101936A (en) | 2019-08-09 |
| CN110101936B CN110101936B (en) | 2021-04-13 |
Family
ID=67493414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471808.0A Active CN110101936B (en) | 2019-05-31 | 2019-05-31 | Accurate device of dosing of oncology |
Country Status (1)
| Country | Link |
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| CN (1) | CN110101936B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6074364A (en) * | 1996-04-18 | 2000-06-13 | Paul; Kamaljit Singh | Blood vessel cannulation device |
| CN102149417A (en) * | 2008-09-12 | 2011-08-10 | 霍夫曼-拉罗奇有限公司 | Dosing unit and ambulatory infusion device comprising dosing unit |
| EP2749303A1 (en) * | 2011-08-01 | 2014-07-02 | Obschestvo S Ogranichennoi Otvetstvennostju "Foras Lab" | Device for the painless and minimally invasive parenteral administration of pharmaceutical preparations and sampling of blood |
| CN204307185U (en) * | 2014-10-31 | 2015-05-06 | 宋爽 | Administration of anaesthesia fixture |
| CN107126249A (en) * | 2016-02-26 | 2017-09-05 | 陈德路 | Tumour 3 D localised puncture apparatus uses laser rays positioning centre structure |
| CN107174699A (en) * | 2017-05-16 | 2017-09-19 | 邓加滨 | A kind of jaw type anesthesia outfit |
| CN207856048U (en) * | 2017-10-25 | 2018-09-14 | 大连医科大学附属第二医院 | A kind of annular local anaesthesia device |
| CN208552745U (en) * | 2018-03-12 | 2019-03-01 | 代雪梅 | A kind of anesthesia syringe of operating room fixes device |
| CN109701123A (en) * | 2018-12-20 | 2019-05-03 | 周艳花 | A kind of injection positioning device for Endocrine Disorders |
-
2019
- 2019-05-31 CN CN201910471808.0A patent/CN110101936B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6074364A (en) * | 1996-04-18 | 2000-06-13 | Paul; Kamaljit Singh | Blood vessel cannulation device |
| CN102149417A (en) * | 2008-09-12 | 2011-08-10 | 霍夫曼-拉罗奇有限公司 | Dosing unit and ambulatory infusion device comprising dosing unit |
| EP2749303A1 (en) * | 2011-08-01 | 2014-07-02 | Obschestvo S Ogranichennoi Otvetstvennostju "Foras Lab" | Device for the painless and minimally invasive parenteral administration of pharmaceutical preparations and sampling of blood |
| CN204307185U (en) * | 2014-10-31 | 2015-05-06 | 宋爽 | Administration of anaesthesia fixture |
| CN107126249A (en) * | 2016-02-26 | 2017-09-05 | 陈德路 | Tumour 3 D localised puncture apparatus uses laser rays positioning centre structure |
| CN107174699A (en) * | 2017-05-16 | 2017-09-19 | 邓加滨 | A kind of jaw type anesthesia outfit |
| CN207856048U (en) * | 2017-10-25 | 2018-09-14 | 大连医科大学附属第二医院 | A kind of annular local anaesthesia device |
| CN208552745U (en) * | 2018-03-12 | 2019-03-01 | 代雪梅 | A kind of anesthesia syringe of operating room fixes device |
| CN109701123A (en) * | 2018-12-20 | 2019-05-03 | 周艳花 | A kind of injection positioning device for Endocrine Disorders |
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|---|---|
| CN110101936B (en) | 2021-04-13 |
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