CN110215548A - A kind of blood recovery device based on thrombus filtering - Google Patents
A kind of blood recovery device based on thrombus filtering Download PDFInfo
- Publication number
- CN110215548A CN110215548A CN201910524679.7A CN201910524679A CN110215548A CN 110215548 A CN110215548 A CN 110215548A CN 201910524679 A CN201910524679 A CN 201910524679A CN 110215548 A CN110215548 A CN 110215548A
- Authority
- CN
- China
- Prior art keywords
- blood
- suction
- negative
- pressure
- device based
- 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
Links
Classifications
-
- A61M1/0001—
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/78—Means for preventing overflow or contamination of the pumping systems
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a kind of blood recovery devices based on thrombus filtering, the present invention is when to Blood calldack, due to being provided with suction shield, in this way, the protection to blood position can be realized by suction shield, prevent dust collecter from directly the problem of blood outflow occur against wound, situations such as preventing maloperation, simultaneously, controller of the invention can be automatically adjusted and be controlled to the suction force of the negative-pressure ward component according to the blood volume of blood testing probe in detecting, in this way, the pressure of negative-pressure ward can be adjusted in real time, while guaranteeing Blood calldack, prevent the adverse effect to wound；The present invention is also provided with pressure stabilizing capsule, the setting of pressure stabilizing capsule, is directly controlled more stable than directlying adopt suction pump, prevents suction pump from the adverse effects such as occurring fluctuating.
Description
Technical field
The present invention relates to a kind of blood recovery devices based on thrombus filtering.
Background technique
In thrombus filter installation surgical procedure, operative incision can be made to bleed profusely, thus need to return blood
It receives, existing way of recycling draw using syringe or using by the way of negative pressure absorbing, draws mode for syringe,
It generally first carries out drawing and then compresses the blood sucked in syringe into collection cups, shortcoming existing for this mode
Have: when blood volume is larger, needing repeatedly to be drawn and be discharged in this way, recycling blood is not convenient enough.And it is existing
Common negative pressure absorbing mode, due to its suction force by negative pressure, in this way, draw when, if position it is improper or behaviour
Make careless slightly, it is easy to lead to the effect due to negative pressure absorbing power and blood outflow, especially negative pressure absorbing power are difficult to basis
In the case of practical blood situation accurately controls, suction function influences safety it is easy to appear the disturbance to blood.
Summary of the invention
The purpose of the present invention is to provide a kind of blood recovery devices based on thrombus filtering, to solve above-mentioned background technique
The middle problem for proposing that recycling blood is not convenient enough.
To achieve the above object, the invention provides the following technical scheme: it is a kind of based on thrombus filtering blood recovery device,
Including recycling container, negative-pressure ward component, dust collecter, suction shield and controller, wherein described to recycle the upper of container
End is provided with the negative-pressure ward component being connected to its internal cavity, and the upper end of the recycling container is additionally provided with the portion of inserting into the inner
Suction siphunculus, it is described suction siphunculus end the dust collecter is connected to by hose, which is characterized in that the dust collecter
End is protruded into the suction shield；And
The suction shield is conical structure, and is provided at the circular cone big end of the suction hood multiple along its circumference
The open slot that direction is laid；
The blood testing probe extended along the element of cone of the suction shield is provided in each open slot；
The blood testing probe can detect the blood aspirated at shield and blood volume；
The blood testing probe, negative-pressure ward component and controller control connect, and the controller being capable of basis
The blood volume of the blood testing probe in detecting is automatically adjusted and is controlled to the suction force of the negative-pressure ward component.
Further, preferably, the negative-pressure ward component include negative-pressure ward pump, negative regulation capsule, negative pressure straw and
Check valve, wherein the top of the recycling container is arranged in the negative-pressure ward pump, and the negative-pressure ward pump is connected to described
Negative regulation capsule, the top of the recycling container is arranged in the negative regulation capsule, and the negative regulation capsule is also communicated with
Negative pressure straw, the lower end of the negative pressure straw is protruded into the recycling container, and the list is provided on the negative pressure straw
To valve.
Further, preferably, the front end of the dust collecter is provided with suction nozzle with battery unit, it is anti-that the suction nozzle with battery unit protrudes into the suction
In the centre bore of shield.
Further, preferably, being installed with cover board on the recycling container port, the cover board one side outer rim is laid with
Screw rod is installed with connection ring on the recycling container, mounting hole is laid in the connection ring, the screw rod is pierced by mounting hole
And one end of screw rod passes through nut check.
Further, preferably, the negative-pressure ward component includes negative pressure pump, the negative pressure pump is arranged in the cover board
On, the side of the cover board is equipped with inlet hole, and the Single port of the inlet hole is installed with connecting tube, runs through in the inlet hole and set
It is equipped with the suction siphunculus being connected to the connecting tube, the Single port of the connecting tube is installed with hose, the Single port of the hose
Install the suction nozzle.
Further, preferably, being installed with soft ring below the cover board, soft ring is circular ring structure, soft ring
One end is equipped with annular groove, and annular groove is toroidal cavity structure, and annular groove is inserted back into the port for receiving container along portion.
Further, preferably, the connection ring is circular ring structure.
Further, preferably, the connecting tube is quadrature tube structure, the position of the end installation suction nozzle of dust collecter is circle
Tapered tube configuration.
Further, preferably, the blood testing probe in each open slot is in the circular cone for aspirating shield
Position on generatrix direction is different, protects to be realized according to the detected value of blood testing probe at different location suction
The detection of accumulation of blood amount at cover.
Further, preferably, being also connected with the pressure gauge being provided with to the detection of its internal negative pressure on the negative regulation capsule.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is when to Blood calldack, due to being provided with suction shield, in this way, can be by aspirating shield
It realizes the protection to blood position, prevents dust collecter from directly the problem of blood outflow occur against wound, prevent the feelings such as maloperation
Condition, meanwhile, controller of the invention can be according to the blood volume of blood testing probe in detecting to the pumping of the negative-pressure ward component
Suction is automatically adjusted and is controlled, in this way, the pressure of negative-pressure ward can be adjusted in real time, while guaranteeing Blood calldack,
Prevent the adverse effect to wound；
(2) present invention is also provided with pressure stabilizing capsule, and the setting of pressure stabilizing capsule is directly controlled than directlying adopt suction pump
It is more stable, prevent suction pump from the adverse effects such as occurring fluctuating；
(3) nut check screw rod of the present invention, so that the lower end of cover board compresses the upper end of soft ring, so that annular groove is interior
Wall is closely adjacent to the upper port of recycling container, so that cover board and recycling container cooperation have good closure, is sucking
Under power effect, quickly blood is sucked in suction nozzle, recycling container is then directed at by hose, connecting tube, inlet hole and siphunculus
Inner lower, thus recycle blood it is more convenient, solve the problems, such as recycling blood it is not convenient enough.
Detailed description of the invention
Fig. 1 is schematic front view of the invention；
Fig. 2 is main view local cutting schematic diagram of the invention；
Fig. 3 is upside transverse cross sectional schematic top plan view of the invention；
Fig. 4 is upside transverse cross sectional elevational schematic view of the invention.
Fig. 5 is the structural schematic diagram of suction shield of the invention.
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, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of blood recovery device based on thrombus filtering, packet
Include recycling container 1, negative-pressure ward component, dust collecter 15, suction shield 19 and controller, wherein the recycling container 1
Upper end be provided with the negative-pressure ward component being connected to its internal cavity, the upper end of the recycling container 1, which is additionally provided with, to be protruded into
The end of its internal suction siphunculus 12, the suction siphunculus 12 is connected to the dust collecter 15 by hose 14, and feature exists
In the end of the dust collecter is protruded into the suction shield；And
The suction shield 19 is conical structure, and is provided at the circular cone big end of the suction hood multiple along its circle
The open slot 22 that circumferential direction is laid；
The blood testing probe extended along the element of cone of the suction shield is provided in each open slot 22
21；
The blood testing probe 21 can detect the blood aspirated at shield and blood volume；
The blood testing probe, negative-pressure ward component and controller control connect, and the controller being capable of basis
The blood volume of the blood testing probe in detecting is automatically adjusted and is controlled to the suction force of the negative-pressure ward component.
In the present embodiment, the negative-pressure ward component includes that negative-pressure ward pumps 10, negative regulation capsule 16, negative pressure straw 9
With check valve 18, wherein the top of the recycling container, the negative-pressure ward pump connection is arranged in the negative-pressure ward pump 10
To the negative regulation capsule 16, the top of the recycling container, and the negative regulation capsule is arranged in the negative regulation capsule
It is also communicated with negative pressure straw, the lower end of the negative pressure straw 9 is protruded into the recycling container 1, and is set on the negative pressure straw
It is equipped with the check valve 18.
As preferred embodiment, the front end of the dust collecter 15 is provided with suction nozzle with battery unit 20, and the suction nozzle with battery unit 20 protrudes into institute
In the centre bore for stating suction shield 19.
Wherein, cover board 4 is installed on 1 port of recycling container, the 4 one side outer rim of cover board is laid with screw rod 5, institute
It states and is installed with connection ring 6 on recycling container 1, mounting hole 7 is laid in the connection ring 6, the screw rod 5 is pierced by mounting hole 7
And one end of screw rod 5 is locked by nut 8.
In the present invention, the negative-pressure ward component includes negative pressure pump 10, and the negative pressure pump is arranged on the cover board 4,
The side of the cover board 4 is equipped with inlet hole 11, and the Single port of the inlet hole 11 is installed with connecting tube 13, passes through in the inlet hole
The suction siphunculus 12 for being equipped with and being connected to the connecting tube 13 is worn, the Single port of the connecting tube 13 is installed with hose 14, described
The Single port of hose 14 installs the suction nozzle 15.
As preferred embodiment, soft ring 2 is installed with below the cover board 4, soft ring 2 is circular ring structure, soft
One end of ring 2 is equipped with annular groove 3, and annular groove 3 is toroidal cavity structure, and annular groove 3 is inserted back into the port for receiving container 1 along portion.Wherein,
The connection ring 6 is circular ring structure.
In addition, the connecting tube 13 is quadrature tube structure as more preferably embodiment, suction nozzle is installed in the end of dust collecter 15
Position be conical tube structure.Blood testing probe 21 in each open slot 22 is in the circle for aspirating shield 19
The position bored on generatrix direction is different, anti-to suction to be realized according to the detected value of blood testing probe at different location
The detection of accumulation of blood amount at shield.The pressure being provided with to the detection of its internal negative pressure is also connected on the negative regulation capsule 16
Table.
The present invention in the specific implementation, 8 tie down screw 5 of nut so that the lower end of cover board 4 compresses the upper end of soft ring 2, from
And the inner wall of annular groove 3 is made closely to be adjacent to the upper port for recycling container 1, so that cover board 4 is with the recycling cooperation of container 1 with good
The attaching plug of negative pressure pump 10 is connected power outlet, negative pressure pump 10 can be made to run by good closure, to realize to pressure stabilizing capsule
Negative-pressure ward recycles and occurs negative pressure in container 1, thus 15 left port of suction nozzle has inhalation power, thus can hold hose 14, so
The blood that the left port contact for aspirating shield and suction nozzle 15 needs to recycle is sucked blood under inhalation power effect again afterwards
In suction nozzle 15, the inner lower of recycling container 1 is then directed at by hose 14, connecting tube 13, inlet hole 11 and siphunculus 12, because
And recycle that blood is more convenient, and in aspiration procedure, controller can be according to the blood volume pair of the blood testing probe in detecting
The suction force of the negative-pressure ward component is automatically adjusted and is controlled, shield be also possible to prevent the direct face of dust collecter or
Nut 8 can be spun down from screw rod 5, be pulled then up when needing Sheng to fetch the blood in receipts container 1 close to wound
Cover board 4 can make screw rod 5 deviate from mounting hole 7, while the upper port of the abjection recycling container 1 of annular groove 3, can be from recycling container 1
Upper port, which is implemented to contain, to be taken, and after the completion of Sheng takes, annular groove 3 can be reinserted to the upper port of recycling container 1, and one by one by screw rod 5
Corresponding mounting hole 7 is inserted into, and nut 8 is then tightened on 5 lower end of screw rod again again.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of blood recovery device based on thrombus filtering, including recycling container (1), negative-pressure ward component, dust collecter
(15), shield (19) and controller are aspirated, wherein the upper end of recycling container (1) is provided with to be connected with its internal cavity
The upper end of logical negative-pressure ward component, recycling container (1) is additionally provided with the suction siphunculus (12) in the portion of inserting into the inner, described
The end of suction siphunculus (12) is connected to the dust collecter (15) by hose (14), which is characterized in that the end of the dust collecter
Portion protrudes into the suction shield；And
The suction shield (19) is conical structure, and is provided at the circular cone big end of the suction hood multiple along its circumference
The open slot (22) that direction is laid；
The blood testing probe extended along the element of cone of the suction shield is provided in each open slot (22)
(21)；
The blood testing probe (21) can detect the blood aspirated at shield and blood volume；
The blood testing probe, negative-pressure ward component and controller control connect, and the controller can be according to described
The blood volume of blood testing probe in detecting is automatically adjusted and is controlled to the suction force of the negative-pressure ward component.
2. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the negative pressure is taken out
Inhaling component includes negative-pressure ward pump (10), negative regulation capsule (16), negative pressure straw (9) and check valve (18), wherein the negative pressure
The top of the recycling container is arranged in suction pump (10), and the negative-pressure ward pump is connected to the negative regulation capsule (16),
The top of the recycling container is arranged in the negative regulation capsule, and the negative regulation capsule is also communicated with negative pressure straw, institute
The lower end for stating negative pressure straw (9) is protruded into the recycling container (1), and the check valve is provided on the negative pressure straw
(18)。
3. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the dust collecter
(15) front end is provided with suction nozzle with battery unit (20), and the suction nozzle with battery unit (20) is protruded into the centre bore of suction shield (19).
4. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the recycling is held
It receives and is installed with cover board (4) on device (1) port, cover board (4) the one side outer rim is laid with screw rod (5), the recycling container (1)
On be installed with connection ring (6), be laid with mounting hole (7) on the connection ring (6), the screw rod (5) is pierced by mounting hole (7) and spiral shell
It is locked by nut (8) one end of bar (5).
5. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the negative pressure is taken out
Inhaling component includes negative pressure pump (10), and the negative pressure pump is arranged on the cover board (4), and the side of the cover board (4) is equipped with sucking
The Single port in hole (11), the inlet hole (11) is installed with connecting tube (13), is provided through in the inlet hole and the company
The suction siphunculus (12) of (13) connection is taken over, the Single port of the connecting tube (13) is installed with hose (14), the hose (14)
Single port install the suction nozzle (15).
6. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the cover board
(4) it is installed with below soft ring (2), soft ring (2) is circular ring structure, and one end of soft ring (2) is equipped with annular groove (3), annular groove
It (3) is toroidal cavity structure, annular groove (3) is inserted back into the port for receiving container (1) along portion.
7. a kind of blood recovery device based on thrombus filtering according to claim 6, it is characterised in that: the connection ring
It (6) is circular ring structure.
8. a kind of blood recovery device based on thrombus filtering according to claim 1, it is characterised in that: the connecting tube
It (13) is quadrature tube structure, the position of the end installation suction nozzle of dust collecter (15) is conical tube structure.
9. a kind of blood recovery device based on thrombus filtering according to any one of claims 1 to 8, it is characterised in that:
Blood testing probe (21) in each open slot (22) is on the element of cone direction of suction shield (19)
Position is different, to be realized according to the detected value of blood testing probe at different location to accumulation of blood at suction shield
The detection of amount.
10. a kind of blood recovery device based on thrombus filtering according to claim 2, it is characterised in that: the negative pressure
Stablize the pressure gauge for being also connected with and being provided with to the detection of its internal negative pressure on capsule (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524679.7A CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910524679.7A CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110215548A true CN110215548A (en) | 2019-09-10 |
| CN110215548B CN110215548B (en) | 2021-10-01 |
Family
ID=67817552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910524679.7A Active CN110215548B (en) | 2019-06-17 | 2019-06-17 | Blood recovery unit based on thrombus filtration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110215548B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014006A (en) * | 2014-06-17 | 2014-09-03 | 伍锟 | Synchronous blood doping system applied to haemorrhage patient in surgery |
| CN105288766A (en) * | 2015-10-12 | 2016-02-03 | 李卫校 | Thrombus filtration and recovery device |
| CN106214477A (en) * | 2016-08-15 | 2016-12-14 | 胡广芹 | Digital display tank |
| WO2017140424A2 (en) * | 2016-02-15 | 2017-08-24 | Fresenius Medical Care Deutschland Gmbh | Equipment for extra-corporeal treatment of blood, comprising an evaluation- and control unit |
| WO2017198186A1 (en) * | 2016-05-20 | 2017-11-23 | Winnoz Technology, Inc | Device and system of blood collection, and method thereof |
| US20180064601A1 (en) * | 2006-09-19 | 2018-03-08 | Kci Licensing, Inc. | System And Method For Determining A Fill Status Of A Canister Of Fluid In A Reduced Pressure Treatment System |
| CN208492051U (en) * | 2017-08-10 | 2019-02-15 | 兰州大学 | A kind of hand intraoperative hemorrhage monitoring device |
-
2019
- 2019-06-17 CN CN201910524679.7A patent/CN110215548B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180064601A1 (en) * | 2006-09-19 | 2018-03-08 | Kci Licensing, Inc. | System And Method For Determining A Fill Status Of A Canister Of Fluid In A Reduced Pressure Treatment System |
| CN104014006A (en) * | 2014-06-17 | 2014-09-03 | 伍锟 | Synchronous blood doping system applied to haemorrhage patient in surgery |
| CN105288766A (en) * | 2015-10-12 | 2016-02-03 | 李卫校 | Thrombus filtration and recovery device |
| WO2017140424A2 (en) * | 2016-02-15 | 2017-08-24 | Fresenius Medical Care Deutschland Gmbh | Equipment for extra-corporeal treatment of blood, comprising an evaluation- and control unit |
| WO2017198186A1 (en) * | 2016-05-20 | 2017-11-23 | Winnoz Technology, Inc | Device and system of blood collection, and method thereof |
| CN106214477A (en) * | 2016-08-15 | 2016-12-14 | 胡广芹 | Digital display tank |
| CN208492051U (en) * | 2017-08-10 | 2019-02-15 | 兰州大学 | A kind of hand intraoperative hemorrhage monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110215548B (en) | 2021-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104436360A (en) | Automatic exhaust and automatic liquid stopping dropping bucket and automatic exhaust and automatic liquid stopping method thereof | |
| CN110215548A (en) | A kind of blood recovery device based on thrombus filtering | |
| CN204396188U (en) | A kind of vacuum refrigeration centrifuge | |
| CN110251216A (en) | A kind of gynemetrics's rupture of membranes system | |
| CN210931719U (en) | Clinical piercing depth of cardiovascular internal medicine | |
| CN214702916U (en) | Blood culture bottle sample collection system | |
| CN208511567U (en) | A kind of hydrops extractor of division of endocrinology | |
| CN210115076U (en) | Be used for saponification backward flow to fill nitrogen protection device | |
| CN208876734U (en) | A kind of negative pressure smoke cover for surgical operation | |
| CN208206584U (en) | Mid-stream urine collection device and mid-stream urine collection component | |
| CN208910423U (en) | Negative pressure inhales palace abortion and the disposable negative pressure suction device of hysteroscope operation | |
| CN112089903A (en) | High-efficient drainage device that clinical care used | |
| CN208492831U (en) | Automatic exhaust, only liquid, accurate filter device | |
| US20140261798A1 (en) | Pumping Device for Sucking or Draining Fluid | |
| CN201314878Y (en) | Device for catching gas-phase free radical in cigarette mainstream smoke | |
| CN215384244U (en) | Simple and easy mistake of preventing inhaling of sample device under scope | |
| CN220602124U (en) | Automatic discharging system of drying tower | |
| CN208905842U (en) | A kind of Novel suction unit bottle | |
| CN218248013U (en) | Bottle-through needle, drip chamber and liquid medicine filter integrated infusion apparatus | |
| CN213606403U (en) | Butterfly wing needle assembly | |
| CN204501831U (en) | The anti-error suction vacuum extractor of anti-gas-leak | |
| CN213554224U (en) | Disposable integrated negative pressure suction machine | |
| CN218685446U (en) | Adjustable negative pressure drainage device | |
| CN220385560U (en) | Dropping funnel device with automatic exhaust function | |
| CN213465298U (en) | Simple abdominal cavity electrocoagulation hook capable of connecting and controlling aspirator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |