CN110522993A - A kind of department of anesthesia's drug delivery device - Google Patents
A kind of department of anesthesia's drug delivery device Download PDFInfo
- Publication number
- CN110522993A CN110522993A CN201910961855.3A CN201910961855A CN110522993A CN 110522993 A CN110522993 A CN 110522993A CN 201910961855 A CN201910961855 A CN 201910961855A CN 110522993 A CN110522993 A CN 110522993A
- Authority
- CN
- China
- Prior art keywords
- syringe
- anesthesia
- gear
- support plate
- mandril
- 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.)
- Withdrawn
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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
- A61M19/00—Local anaesthesia; Hypothermia
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/50—Movable or transportable mixing devices or plants
- B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
- B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
- B01F33/50112—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held of the syringe or cartridge type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/22—Mixing of ingredients for pharmaceutical or medical compositions
Abstract
A kind of department of anesthesia's drug delivery device, the existing anesthesia feeding device of effective solution cannot carry out component injection according to different parts, and injection drug mixes non-uniform problem；Including syringe, syringe right end is fixed with baffle, support plate is fixed on the right side of baffle rear end, piston is slidably connected in syringe, piston right end is fixed with push rod, sleeve is threaded on push rod, the mandril that can be moved left and right is equipped on front side of support plate, be equipped on front side of support plate can left-right rotation all gear, all gear generates forward and reverse rotation with moving left and right for mandril, the dial with all gear coaxial line is fixed on front side of support plate, all gear front end face is fixed with the pointer that can cooperate with dial, multiple graduation marks are evenly equipped on syringe outer edge surface, left end, which rotates coaxially, inside syringe is connected with agitating shaft, agitating shaft right end is protruded into push rod and is threadedly coupled with it, agitating shaft is equipped with multiple telescopic stirring blades；Inventive concept is novel, and clever structure is easy to operate, practical.
Description
Technical field
The present invention relates to anesthesia instrument technical field, especially a kind of department of anesthesia's drug delivery device.
Background technique
Oral cavity partial anaesthetizes abbreviation local anaesthesia, refers to nerve endings in local anesthetic temporary interruption body certain area
With the Sensory conduction of fiber, thus the area Shi Gai pain disappear.
Existing oral cavity partial anesthesia medicine-filling device use is extremely inconvenient, especially when for different parts anesthesia, institute
Need to dosage it is different, due to being in oral cavity, it is not easy to which the process and dosage for observing injection cause injection volume inaccurate
And anesthesia and therapeutic effect are influenced, and the vessel retractions drug such as appropriate adrenaline need to generally be added in anaesthetic, it is taking out
Anaesthetic mixing when inhaling or injecting in syringe is uneven, and therapeutic effect is caused to decline.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the purpose of the present invention be just to provide a kind of department of anesthesia with to
Medicine device, the existing anesthesia feeding device of effective solution cannot carry out component injection according to different parts, and injection drug is mixed
Close non-uniform problem.
Its technical solution solved is that the present invention includes syringe, and the gear of vertical direction is fixed on syringe right end outer edge surface
Plate, baffle rear end right side are fixed with the support plate of left and right directions, and coaxially slide is connected with piston in syringe, and piston right end is coaxially solid
Surely there is push rod, be threaded with the big and T-shaped sleeve of the small right end in left end on push rod, being equipped on front side of support plate can move left and right
Mandril, mandril left end and sleeve right end face contact, be equipped on front side of support plate can left-right rotation all gear, all gear is with mandril
Move left and right and generate forward and reverse rotation, the scale positioned at all gear right and with all gear coaxial line is fixed on front side of support plate
Disk, multiple angle lines are evenly equipped on dial, and all gear front end face is fixed with the pointer that can cooperate with dial, syringe outer edge surface
On be evenly equipped with multiple graduation marks, pointer turns over two neighboring angle line when the distance between two neighboring graduation mark of the every movement of piston
Between angle, when pointer turns over the angle between two neighboring angle line sleeve on push rod mobile two neighboring graduation mark it
Between distance；
Left end, which rotates coaxially, inside syringe is connected with agitating shaft, and agitating shaft right end is protruded into push rod and is threadedly coupled with it,
Agitating shaft is equipped with multiple telescopic stirring blades, and multiple stirring blades are each perpendicular to the axis of agitating shaft and along its axial direction side
To uniformly.
Compared with prior art, it is produced the beneficial effects of the present invention are: being arranged in syringe with moving left and right for push rod
The agitating shaft of raw rotation, and multiple stirring blades that can be stretched are set on agitating shaft, to entrance or syringe can be released
It shrinks drug and anaesthetic is stirred, and mix the two can adequately, so that anaesthetic effect is improved, setting and push rod
The sleeve of threaded connection, moving left and right for sleeve drives moving left and right for mandril, and then makes all gear that pointer be driven to generate swing,
The corresponding scale value of pointer is observed, the dosage for needing to inject can be set, component note is carried out to different site of anesthesia to realize
It penetrates, it is ensured that injection dosage is accurate, improves anaesthetic effect and therapeutic effect.
Detailed description of the invention
Fig. 1 is axonometric drawing of the invention.
Fig. 2 is that complete section axis of the invention surveys main view.
Fig. 3 is the enlarged drawing of A in the present invention 2.
Fig. 4 is half-sectional axonometric drawing of the invention.
Fig. 5 is that cutting axis of the invention surveys top view.
Fig. 6 is the structural schematic diagram of all gear and dial in the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail.
It is provided by Fig. 1 to Fig. 6, including syringe 1, the baffle 2 of vertical direction, baffle 2 is fixed on 1 right end outer edge surface of syringe
The support plate 3 of left and right directions is fixed on the right side of rear end, coaxially slide is connected with piston 4 in syringe 1, and 4 right end of piston is coaxially fixed
There is push rod 5, the big and T-shaped sleeve 6 of the small right end in left end is threaded on push rod 5, being equipped on front side of support plate 3 can move left and right
Mandril 7,7 left end of mandril and 6 right end face contact of sleeve, be equipped on front side of support plate 3 can left-right rotation all gear 8, all gear 8
As moving left and right for mandril 7 generates forward and reverse rotation, be fixed on front side of support plate 3 positioned at 8 right of all gear and with all gear 8
The dial 9 of coaxial line is evenly equipped with multiple angle lines 10 on dial 9, and 8 front end face of all gear, which is fixed with, to match with dial 9
The pointer 11 of conjunction, is evenly equipped with multiple graduation marks 12 on 1 outer edge surface of syringe, between the two neighboring graduation mark 12 of the every movement of piston 4
Apart from when pointer 11 turn over the angle between two neighboring angle line 10, pointer 11 turns over the angle between two neighboring angle line 10
Distance of the sleeve 6 on push rod 5 between mobile two neighboring graduation mark 12 when spending；
1 inside left end of syringe, which rotates coaxially, is connected with agitating shaft 13,13 right end of agitating shaft protrude into push rod 5 and with its screw thread
Connection, agitating shaft 13 are equipped with multiple telescopic stirring blades 14, and multiple stirring blades 14 are each perpendicular to the axis of agitating shaft 13
Line and uniformly distributed along its axial direction.
In order to rotate sleeve 6 on push rod 5 and move the outer diameter on the left of smooth, described sleeve 6 along its axial direction
Less than the internal diameter of syringe 1, the outer diameter of 6 right end of sleeve is greater than the internal diameter of syringe 1, and the cascaded surface on sleeve 6 can be with the right side of baffle 2
Face contact.
In order to which the generation for keeping mandril 7 stable moves left and right, it is fixed with connecting plate 15 on front side of the support plate 3, pushes up
Bar 7 is slidably connected with connecting plate 15, and the baffle ring 16 positioned at 15 left of connecting plate is fixed on mandril 7, is set with and is located on mandril 7
Spring between baffle ring 16 and connecting plate 15.
When in order to rotate in sleeve 6 and move left and right along the generation of push rod 5, mandril 7 can smoothly generate left and right directions
It moves and does not glance off, annular groove 17 is coaxially offered on 6 right side of sleeve, annular groove 17 is inserted into 7 left end of mandril
It is interior and contacted with 17 bottom surface of annular groove.
In order to make all gear 8 generate forward and reverse rotation with moving left and right for mandril 7, turn on front side of the support plate 3
Dynamic to be connected with intermittent gear 18, intermittent gear 18 is located at the left side of all gear 8 and can engage, and 18 front end of intermittent gear is fixed
There is lever 19, sliding sleeve 20 is set on lever 19, the L shape bar 21, L positioned at 18 front of intermittent gear is hinged on front side of support plate 3
21 short side of shape bar is located at the upside of its long side, and the free end of 21 short side of L shape bar is articulated and connected through connecting rod 22 and 7 right end of mandril, L shape
21 lower end of bar and sliding sleeve 20 are articulated and connected；When mandril 7 moves right, mandril 7 pushes L shape bar 21 to put clockwise through connecting rod 22
It is dynamic, meanwhile, L shape bar 21 drives intermittent gear 18 to rotate clockwise through sliding sleeve 20, so that all gear 8 drives pointer 11 to turn counterclockwise
It is dynamic；When mandril 7 is moved to the left, mandril 7 drives 21 counter-clockwise swing of L shape bar through connecting rod 22, meanwhile, L shape bar 21 is through sliding sleeve 20
Intermittent gear 18 is driven to rotate counterclockwise, so that all gear 8 drives pointer 11 to rotate clockwise.
In order to keep stirring blade 14 flexible along 13 radial direction of agitating shaft, multiple diameters are offered on the agitating shaft 13
To direction and the sliding slot 23 uniformly distributed along its axial direction, 23 bottom of sliding slot are connected through the corresponding stirring blade 14 of spring.
In order to which when piston 4 is moved to the left, stirring blade 14 can be smoothly retracted in sliding slot 23, and prevent high amount of drug
Into inside push rod 5,4 left end of piston is coaxially fixed with baffle 24, and the internal diameter of baffle 24 is equal to the outer diameter of agitating shaft 13,
Sealing ring 25 is equipped between piston 4 and agitating shaft 13.
For the ease of observing the dosage of infusion of medicine, the syringe 1 is transparent material, and syringe 1 is equipped with and graduation mark
12 corresponding scale values, dial 9 are equipped with scale value corresponding with angle line 10, in the scale value and dial 9 on syringe 1
Scale value numerical value correspond.
In order to improve injection effect, 1 left end of syringe is communicated with nipple, and nipple is not coaxially disposed with syringe 1.
Intermittent gear 18 and 8 scratching fingers of all gear when pushing push rod 5 to the left in order to prevent, and increase the beauty of the present apparatus
It spends, L-shaped cover plate 26 is equipped on front side of the support plate 3, cover plate 26 is located at the rear of push rod 5.
In order to facilitate rotational sleeve 6, the 6 right end outer edge surface of sleeve is equipped with multiple along uniformly distributed anti-of its circumferencial direction
Draw runner 27.
In the use of the present invention, setting 4 left side of piston and 1 inside left face contact of syringe, cascaded surface on sleeve 6 with
The right side face contact of baffle 2, and pointer 11 is directed toward the initial position of 9 lower side of dial；
Syringe needle is installed on nipple, is inserted the needle into vessel retraction drug, holds syringe 1 on the other hand, another hand is to the right
Push rod 5 is pulled, push rod 5 slides to the right in syringe 1 with piston 4, meanwhile, sleeve 6 is as push rod 5 moves right and squeezes to the right
Bear down on one bar 7, and mandril 7 moves right and squeezes spring, and 7 right end of mandril pushes 21 clockwise oscillation of L shape bar, and L shape through connecting rod 22
Bar 21 drives 18 clockwise oscillation of intermittent gear through sliding sleeve 20, lever 19, so that all gear 8 drives pointer 11 to generate pendulum counterclockwise
It is dynamic, while the corresponding scale value on dial 9 of pointer 11 can be observed；
When push rod 5 moves right, i.e., the distance between 4 left end of piston and 1 inside left face of syringe are gradually increased, stirring
Axis 13 generates rotation, and multiple stirring blades 14 on agitating shaft 13 under its corresponding spring effect from left to right gradually along
The radial direction of push rod 5 is protruding, is stirred to the vessel retraction drug entered in syringe 1；
When the vessel retraction drug of suction reaches prescribed dose, syringe needle is extracted and is inserted into anaesthetic, one holds
Firmly syringe 1, another hand continue to the right pull push rod 5, between 1 inside left face of 4 left end of piston and syringe distance by
Cumulative big, anaesthetic is sucked into syringe 1, meanwhile, multiple stirring blades 14 on agitating shaft 13 gradually stretch out from left to right,
And rotated under the drive of agitating shaft 13, the anaesthetic having just enter into syringe 1 is sufficiently stirred, anaesthetic and blood are made
Pipe shrinks drug and is uniformly mixed；The corresponding scale value of pointer 11 on dial 9 is observed simultaneously, when the arcotic of suction inserting needle cylinder 1
When object and vessel retraction drug total amount reach prescribed dose, stop pulling push rod 5 to the right.
When needing to carry out anesthesia injection to different positions, the dosage adjustment sleeve 6 needed according to each position is in push rod 5
On position, such as: the dosage for needing to inject be 2ml, hold on the other hand push rod 5 make its do not generate rotation do not generate axial shifting yet
Dynamic, another hand turnbarrel 6, sleeve 6 is moved to the left on push rod 5, mandril 7 spring act on to drive connecting rod 22 to moving to left
Dynamic, connecting rod 22 drives intermittent gear 18 to rotate counterclockwise through l-shaped rod, sliding sleeve 20, lever 19, so that all gear 8 drives pointer 11
It rotates clockwise, while observing the scale value on the corresponding dial 9 of pointer 11, the rank when pointer 11 is directed toward 2, on sleeve 6
The distance between tread and baffle 2 are equal to the distance between 1 inside left face of syringe and 1 high scale value 2 of syringe, then push away to the left
Dynamic push rod 5, the position that push rod 5 is moved to the left with piston 4 and anaesthetizes drug injection to needs, the cascaded surface on sleeve 6
Just the drug injection of 2ml is being needed at this point, pointer 11 is directed toward the lower side position of dial 9 with the right side face contact of baffle 2
The position to be anaesthetized；
If need to inject various dose to other positions, turnbarrel 6 makes sleeve 6 move right on push rod 5, and sees
The scale value of the direction of pointer 11 is examined, after scale value reaches defined dosage, stop rotating sleeve 6, and pushes push rod 5 to the left, pushes away
Bar 5 is synchronized with moving sleeve 6 and is moved to the left, and when the right side face contact of the cascaded surface of sleeve 6 and baffle 2, just will set dosage
Drug injection to the position anaesthetized of needs, to achieve the purpose that realize different parts component injection.
With being moved to the left for push rod 5, multiple stirring blades 14 are intracorporal to that will be injected into as agitating shaft 13 is rotated
Drug is again stirring for, and is sufficiently mixed anaesthetic with vessel retraction drug, meanwhile, multiple stirring blades 14 can be with push rod 5
The right-to-left that is moved to the left gradually be retracted in corresponding sliding slot 23.
Present inventive concept is novel, and clever structure is easy to operate, practical, and the left and right with push rod is arranged in syringe
Agitating shaft that is mobile and generating rotation, and multiple stirring blades that can be stretched are arranged on agitating shaft, can be to entering or push away
The contraction drug of syringe and anaesthetic are stirred out, and mix the two can adequately, so that anaesthetic effect is improved, if
The sleeve being threadedly coupled with push rod is set, moving left and right for sleeve drives moving left and right for mandril, and then all gear is made to drive pointer
Generate swing, the corresponding scale value of observation pointer can set the dosage for needing to inject, thus realize to different site of anesthesia into
Row component injection, it is ensured that injection dosage is accurate, improves anaesthetic effect and therapeutic effect.
As it can be seen that can effectively solve existing anesthesia medicine-feeding using a kind of department of anesthesia's drug delivery device provided by the present invention
Device cannot carry out component injection according to different parts, and injection drug mixes non-uniform problem, this structure operation is simple, makes
With convenient, raising treatment anaesthetic effect and therapeutic effect.
Claims (10)
1. a kind of department of anesthesia's drug delivery device, including syringe (1), which is characterized in that be fixed on syringe (1) right end outer edge surface perpendicular
Histogram to baffle (2), the support plate (3) of left and right directions is fixed on the right side of baffle (2) rear end, the interior coaxially slide of syringe (1) connects
It is connected to piston (4), piston (4) right end is coaxially fixed with push rod (5), and the small right end in left end is threaded on push rod (5) greatly and in T
The sleeve (6) of shape, support plate (3) front side are equipped with the mandril (7) that can be moved left and right, and mandril (7) left end connects with sleeve (6) right side
Touching, be equipped on front side of support plate (3) can left-right rotation all gear (8), all gear (8) moves left and right generation with mandril (7)
Forward and reverse rotation, support plate (3) front side are fixed with the dial positioned at all gear (8) right and with all gear (8) coaxial line
(9), it is evenly equipped with multiple angle lines (10) on dial (9), all gear (8) front end face is fixed with can be with dial (9) cooperation
Pointer (11) is evenly equipped with multiple graduation marks (12) on syringe (1) outer edge surface, the two neighboring graduation mark of piston (4) every movement (12)
The distance between when pointer (11) turn over the angle between two neighboring angle line (10), pointer (11) turns over two neighboring angle
Sleeve (6) the distance between mobile two neighboring graduation mark (12) on push rod (5) when angle between line (10)；
The internal left end of syringe (1), which rotates coaxially, to be connected with agitating shaft (13), agitating shaft (13) right end protrude into push rod (5) and and its
It is threadedly coupled, agitating shaft (13) is equipped with multiple telescopic stirring blades (14), and multiple stirring blades (14) are each perpendicular to stir
It mixes the axis of axis (13) and is evenly distributed with along its axial direction.
2. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that on the left of the sleeve (6)
Outer diameter is less than the internal diameter of syringe (1), and the outer diameter of sleeve (6) right end is greater than the internal diameter of syringe (1), and the cascaded surface on sleeve (6) can
With the right side face contact of baffle (2).
3. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that on front side of the support plate (3)
It is fixed with connecting plate (15), mandril (7) is slidably connected with connecting plate (15), is fixed on mandril (7) positioned at connecting plate (15) left side
The baffle ring (16) of side, the spring being set on mandril (7) between baffle ring (16) and connecting plate (15).
4. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that described sleeve (6) right side
On coaxially offer annular groove (17), contact in mandril (7) left end insertion annular groove (17) and with annular groove (17) bottom surface.
5. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that on front side of the support plate (3)
It is rotatably connected to intermittent gear (18), intermittent gear (18) is located at the left side of all gear (8) and can engage, intermittent gear
(18) it is fixedly arranged at the front end with lever (19), is set on lever (19) sliding sleeve (20), is hinged on front side of support plate (3) positioned at interval tooth
The L shape bar (21) in front of (18) is taken turns, L shape bar (21) short side is located at the upside of its long side, and the free end of L shape bar (21) short side is through even
Bar (22) and mandril (7) right end are articulated and connected, and L shape bar (21) lower end and sliding sleeve (20) are articulated and connected.
6. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that opened on the agitating shaft (13)
Equipped with multiple radial directions and along the uniformly distributed sliding slot of its axial direction (23), the stirring corresponding through spring of sliding slot (23) bottom
Blade (14) connection.
7. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that described piston (4) left end is same
Axis is fixed with baffle (24), and the internal diameter of baffle (24) is equal to the outer diameter of agitating shaft (13), is set between piston (4) and agitating shaft (13)
There are sealing ring (25).
8. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that the syringe (1) is transparent
Material, syringe (1) are equipped with scale value corresponding with graduation mark (12), and dial (9) is equipped with corresponding with angle line (10)
Scale value, the scale value numerical value in scale value and dial (9) on syringe (1) correspond.
9. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that syringe (1) left end connects
It is connected with nipple, nipple is not coaxially disposed with syringe (1).
10. a kind of department of anesthesia's drug delivery device according to claim 1, which is characterized in that on front side of the support plate (3)
Equipped with L-shaped cover plate (26), cover plate (26) is located at the rear of push rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961855.3A CN110522993A (en) | 2019-10-11 | 2019-10-11 | A kind of department of anesthesia's drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961855.3A CN110522993A (en) | 2019-10-11 | 2019-10-11 | A kind of department of anesthesia's drug delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110522993A true CN110522993A (en) | 2019-12-03 |
Family
ID=68671921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910961855.3A Withdrawn CN110522993A (en) | 2019-10-11 | 2019-10-11 | A kind of department of anesthesia's drug delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110522993A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917651A (en) * | 2019-12-06 | 2020-03-27 | 王佳琪 | Biological medicine draws equipment |
| CN113069617A (en) * | 2020-01-06 | 2021-07-06 | 崔艳欣 | Clinical multi-head reinforced gastric lavage device for digestive system department |
| CN114191655A (en) * | 2021-11-10 | 2022-03-18 | 南京市河西医院有限公司 | F-Nerve block powerful injection mechanism and method for face thinning |
| CN114712656A (en) * | 2022-04-01 | 2022-07-08 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
-
2019
- 2019-10-11 CN CN201910961855.3A patent/CN110522993A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917651A (en) * | 2019-12-06 | 2020-03-27 | 王佳琪 | Biological medicine draws equipment |
| CN113069617A (en) * | 2020-01-06 | 2021-07-06 | 崔艳欣 | Clinical multi-head reinforced gastric lavage device for digestive system department |
| CN114191655A (en) * | 2021-11-10 | 2022-03-18 | 南京市河西医院有限公司 | F-Nerve block powerful injection mechanism and method for face thinning |
| CN114712656A (en) * | 2022-04-01 | 2022-07-08 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
| CN114712656B (en) * | 2022-04-01 | 2023-01-31 | 中国医学科学院北京协和医院 | Injection sampling device applied to clinical operation |
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Application publication date: 20191203 |