CN112587741A - Blood mixer and blood replacement device are returned in blood plasma replacement - Google Patents
Blood mixer and blood replacement device are returned in blood plasma replacement Download PDFInfo
- Publication number
- CN112587741A CN112587741A CN202011429784.1A CN202011429784A CN112587741A CN 112587741 A CN112587741 A CN 112587741A CN 202011429784 A CN202011429784 A CN 202011429784A CN 112587741 A CN112587741 A CN 112587741A
- Authority
- CN
- China
- Prior art keywords
- blood
- liquid
- replacement
- box
- baffle
- 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- Withdrawn
Links
Images
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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/38—Removing constituents from donor blood and storing or returning remainder to body, e.g. for transfusion
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
Abstract
The invention discloses a blood plasma replacement and blood return mixer and a blood replacement device, which comprise a shell, wherein the upper side of the shell is connected with a cover through a hinge, a support boss is arranged at the eccentric position of the lower side of the cover, a column groove is arranged at the middle position of the upper side of the support boss, a replacement liquid box body is arranged at the middle position inside the column groove, a liquid through groove is arranged at the middle position of the lower side of the replacement liquid box body, an electromagnetic valve is arranged at the middle position inside the liquid through groove, a first partition plate is arranged at the middle position inside the shell, a mixing box body is arranged at the middle position of the first partition plate, a fan-shaped stirring rib is driven by a servo motor to stir so as to fully and uniformly mix blood, a universal wheel arranged at the lower side of the shell is convenient to move, a liquid level sensor can timely replace replacement liquid by matching with a buzzer and a warning lamp, so as to be more fit with the temperature of the human body.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood plasma replacement and return mixer and a blood replacement device.
Background
The plasma replacement is to draw out the blood of a patient, separate the blood plasma from cell components by a plasma replacement device, discard some pathogenic substances, metabolites and autoantibodies and toxins of some autoimmune diseases in the blood plasma, and return the cell components and equivalent blood plasma substitutes into the body to remove pathogenic factors and harmful factors in the body to treat some diseases, the blood replacement device is usually needed when the blood plasma replacement is carried out, but the existing blood replacement device cannot fully and uniformly mix the blood, is inconvenient to move, and cannot timely replace the replaced liquid, for example, the patent of application publication No. 201720031989.1 discloses a blood plasma replacement blood returning mixer and a blood replacement device, which comprises a mixing container, a first liquid inlet is arranged at the top of the mixing container, a second liquid inlet is arranged at the upper part of the mixing container, the liquid inlet direction of the second liquid inlet is tangential to the inner wall of the mixing container, first inlet is located the second inlet directly over, and mixing container's bottom is provided with the liquid outlet, but above patent is in the use, can't carry out abundant misce bene to blood, and the shift position of not being convenient for, the unable timely opposition trades liquid and changes.
Therefore, the blood mixer and the blood replacement device for the plasma replacement are provided.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a blood plasma replacement and blood return mixer and a blood replacement device, which can fully and uniformly mix blood, are convenient to move, can timely replace replacement liquid, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a blood mixer and a blood replacement device for blood plasma replacement comprises a shell, wherein the upper side of the shell is connected with a cover through a hinge, a supporting boss is arranged at the eccentric position of the lower side of the cover, a column groove is arranged at the middle position of the upper side of the supporting boss, a replacement liquid box body is arranged at the middle position inside the column groove, a liquid through groove is arranged at the middle position of the lower side of the replacement liquid box body, an electromagnetic valve is arranged at the middle position inside the liquid through groove, a first partition plate is arranged at the middle position inside the shell, a mixing box body is arranged at the middle position of the first partition plate, a second partition plate is arranged at the middle position inside the mixing box body, a third partition plate is arranged at one side, close to the second partition plate, of the inside of the mixing box body, a motor box body is arranged at the middle position inside the motor box body, a servo motor is arranged at the middle position inside the motor, a third liquid guide pipe is arranged at an eccentric position inside the third partition plate, one end of the third liquid guide pipe penetrates through the mixing box body and extends to the outside of the mixing box body, the other end of the third liquid guide pipe penetrates through the second partition plate, a blood filter is arranged at the middle position of one end, close to the third partition plate, of the third partition plate, a first liquid guide pipe is arranged at one side, close to the third liquid guide pipe, of the third partition plate, one end of the first liquid guide pipe penetrates through the mixing box body and is communicated with the replacement liquid box body, an electromagnetic heater is arranged at the middle position of one end, close to the third partition plate, of the first liquid guide pipe, one end of a blood return pipe is connected to the lower side of the mixing box body, the other end of the blood return pipe penetrates through the shell and is connected with external blood transfusion equipment, a negative pressure suction pump is arranged at the middle position of the blood, Electromagnetic heater, solenoid valve and servo motor's input.
As a preferred technical scheme of the invention, more than four groups of universal wheels are arranged on the lower side of the shell and are symmetrically distributed at equal angles.
As a preferable technical scheme of the invention, a handle is arranged on the upper side of the cover cap, a buzzer is arranged on one side of the cover cap close to the handle, a warning lamp is arranged on the other side of the cover cap close to the handle, and the output end of the PLC controller is electrically connected with the input ends of the buzzer and the warning lamp respectively.
In a preferred embodiment of the present invention, a wireless transceiver is disposed on a side of the cover close to the replacement fluid tank, and the wireless transceiver is electrically connected to the PLC controller in both directions.
As a preferable technical solution of the present invention, the other side of the cover cap close to the replacement liquid tank body is provided with a second liquid guide tube, one end of the second liquid guide tube penetrates through the cover cap and is connected with a tube connector, and the tube connector is connected with a third liquid guide tube in a matching manner.
As a preferable technical solution of the present invention, a replacement liquid tank cover is provided at an upper middle position of the replacement liquid tank body, a liquid level sensor is provided at one side inside the replacement liquid tank body, and an output end of the liquid level sensor is electrically connected to an input end of the PLC controller.
As a preferable technical scheme of the invention, an output shaft of the servo motor is connected with one end of a rotating shaft through a coupling, the other end of the rotating shaft passes through a motor box body and is connected with a mixing box body through a bearing, and fan-shaped stirring ribs which are equiangularly, equidistantly and uniformly distributed are arranged in the middle of the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that: thereby drive fan-shaped stirring rib through servo motor and stir and can carry out abundant misce bene to blood, the universal wheel shift position of being convenient for that the shell downside is equipped with, the opposition that level sensor cooperation buzzer and warning light can be timely trades liquid and changes, and electromagnetic heater can be used for the opposition to trade liquid and heat, makes the human body temperature of more laminating.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention.
In the figure: a001 shell, A002 fan-shaped stirring ribs, A003 blood returning pipe, A004 negative pressure suction pump, A005 motor cover plate, A006 first liquid guide pipe, A007 electromagnetic heater, A008 buzzer, A009 electromagnetic valve, A010 liquid level sensor, A011 wireless transceiver, A012 replacement liquid cover plate, A013 replacement liquid box body, A014 cover plate, A015 second liquid guide pipe, A016 warning lamp, A017 handle, A018 PLC controller, A019 first clapboard, A020 mixing box body, A021 servo motor, A022 blood filter, A023 third liquid guide pipe, A024 second clapboard, A025 universal wheel, A026 motor box body, A027 third clapboard, A028 supporting boss and A029 pipe connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a blood plasma replacement and return blood mixer and a blood replacement device comprise a shell A001, the upper side of the shell A001 is connected with a cover cap A014 through a hinge, a support boss A028 is arranged at the eccentric position of the lower side of the cover cap A014, a column groove is arranged at the middle position of the upper side of the support boss A028, a replacement liquid box A013 is arranged at the middle position inside the column groove, a liquid through groove is arranged at the middle position of the lower side of the replacement liquid box A013, an electromagnetic valve A009 is arranged at the middle position inside the liquid through groove and used for controlling the on-off of replacement liquid, a first clapboard A019 is arranged at the middle position inside the shell A001, a mixing box A020 is arranged at the middle position of the first clapboard A019 and used for mixing liquid, a second clapboard A024 is arranged at the middle position inside the mixing box A020, a third clapboard A027 is arranged at one side, close to the second clapboard A024, a motor box A026 is arranged at the middle position inside the second clapboard A024, a servo motor A021 is arranged, one side of a motor box body A026, which is close to a servo motor A021, is connected with a motor cover plate A005 through a hexagon bolt, a third liquid guide pipe A023 is arranged at the eccentric position in the third clapboard A027, one end of the third liquid guide pipe A023 penetrates through the mixing box body A020 and extends to the outside of the mixing box body A020, the other end of the third liquid guide pipe A023 penetrates through a second clapboard A024, a blood filter A022 is arranged at the middle position of one end of the third liquid guide pipe A023, which is close to the third clapboard A027, and is used for filtering out impurity toxins in blood, a first liquid guide pipe A006 is arranged at one side of the third clapboard A027, one end of the first liquid guide pipe A006 penetrates through the mixing box body A020 and is communicated with a substitution liquid box body A013, an electromagnetic heater A007 is arranged at the middle position of one end of the first liquid guide pipe A006, which is close to the third clapboard A027, and is used for heating the substitution liquid to make the temperature of, the other end of the blood return pipe A003 penetrates through the shell A001 and is connected with external blood transfusion equipment, a negative pressure suction pump A004 is arranged in the middle of the blood return pipe A003, a PLC A018 is arranged on one side of the outside of the shell A001, and the output end of the PLC A018 is electrically connected with the input ends of the negative pressure suction pump A004, the electromagnetic heater A007, the electromagnetic valve A009 and the servo motor A021 respectively.
More than four groups of universal wheels A025 are arranged on the lower side of the shell A001, and the universal wheels A025 are symmetrically distributed at equal angles. The position of the shell A001 can be conveniently changed through the universal wheel A025.
The upside of shroud A014 is equipped with handle A017, and one side that shroud A014 is close to handle A017 is equipped with bee calling organ A008, and the opposite side that shroud A014 is close to handle A017 is equipped with warning light A016, and bee calling organ A008 and the input of warning light A016 are connected electrically respectively to PLC controller A018's output. Through the buzzer A008 and the warning lamp A016, the replacement can be timely reminded and replaced when the replacement liquid in the replacement liquid box A013 is insufficient.
One side of the cover A014 close to the replacement liquid tank A013 is provided with a wireless transceiver A011, and the wireless transceiver A011 is electrically connected with a PLC A018 in a bidirectional mode.
The other side of shroud A014 near replacement liquid box A013 is equipped with second catheter A015, and the one end of second catheter A015 passes shroud A014 and is connected with pipe connector A029, and pipe connector A029 is connected with third catheter A023 cooperation.
A replacement liquid tank cover A012 is arranged at the middle position of the upper side of the replacement liquid tank body A013, a liquid level sensor A010 is arranged at one side of the interior of the replacement liquid tank body A013, and the output end of the liquid level sensor A010 is electrically connected with the input end of a PLC controller A018. The liquid level of the replacement liquid in the replacement liquid tank body a013 can be detected by the liquid level sensor a 010.
The output shaft of the servo motor A021 is connected with one end of a rotating shaft through a coupler, the other end of the rotating shaft passes through the motor box A026 and leans against and is connected with the mixing box A020 through a bearing, and fan-shaped stirring ribs A002 which are equiangularly, equidistantly and uniformly distributed are arranged in the middle of the rotating shaft.
When in use: firstly, blood of a patient is filtered by a blood filter A022 through a second liquid guide tube A015 and then is guided into a mixing box A020, then replacement liquid in a replacement liquid box A013 is guided into the mixing box A020 through a first liquid guide tube A006, at the moment, a servo motor A021 is controlled to be turned on through a PLC A018, an output shaft of the servo motor A021 rotates to drive a connected rotating shaft to rotate, the rotating shaft rotates to drive a connected fan-shaped stirring rib A002 to stir and mix the mixture so as to be uniformly distributed, then a negative pressure suction pump A004 is controlled to be turned on through the PLC A018, liquid in the mixing box A020 is input into the body of the patient through a blood return tube A003, liquid level measurement can be carried out on the replacement liquid in the liquid change box A013 through a liquid level sensor A010, then detected data are transmitted to an input end of the PLC A018, the PLC A018 controls a buzzer A008 and a warning lamp A016 to be turned on for warning indication, can be replaced in time.
The fan-shaped stirring rib A002 is driven by the servo motor A021 to stir so as to fully and uniformly mix blood, the universal wheel A025 arranged on the lower side of the shell A001 is convenient for moving, the liquid level sensor A010 can timely replace liquid replacement by matching with the buzzer A008 and the warning lamp A016, and the electromagnetic heater A007 can be used for heating the liquid replacement to be more fit with the temperature of a human body.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A plasmapheresis mixer and blood replacement device, includes shell (A001), its characterized in that: the upside of shell (A001) has shroud (A014) through hinged joint, the downside off-centre position of shroud (A014) is equipped with supports boss (A028), the upside intermediate position of supporting boss (A028) is equipped with the post groove, the inside intermediate position of post groove is equipped with replacement liquid box (A013), the downside intermediate position of replacement liquid box (A013) is equipped with leads to the cistern, the inside intermediate position that leads to the cistern is equipped with solenoid valve (A009), the inside intermediate position of shell (A001) is equipped with first baffle (A019), the intermediate position of first baffle (A019) is equipped with mixing box (A020), the inside intermediate position of mixing box (A020) is equipped with second baffle (A024), the inside one side that is close to second baffle (A024) of mixing box (A020) is equipped with third baffle (A027), the inside intermediate position of second baffle (A024) is equipped with motor box (A026), the inside intermediate position of motor box (A026) is equipped with servo motor (A021), one side that motor box (A026) is close to servo motor (A021) is connected with motor cover plate (A005) through the hex bolts, the inside eccentric position of third baffle (A027) is equipped with third catheter (A023), the one end of third catheter (A023) is passed and is mixed box (A020) and extend to the outside of mixing box (A020), the other end of third catheter (A023) passes second baffle (A024), the one end intermediate position that third baffle (A023) is close to third baffle (A027) is equipped with blood filter (A022), one side that third baffle (A027) is close to third catheter (A023) is equipped with first catheter (A006), the one end of first catheter (A006 is passed and is mixed box (A020) and is communicated with replacement liquid box (A013), first catheter (A006) is close to the one end intermediate position of third baffle (A027) and is equipped with electromagnetic heater (A007), the downside of mixing box (A020) is connected with the one end of returning blood vessel (A003), the other end that returns blood vessel (A003) passes shell (A001) and is connected with outside blood transfusion equipment, the intermediate position that returns blood vessel (A003) is equipped with negative pressure and attracts pump (A004), outside one side of shell (A001) is equipped with PLC controller (A018), the output of PLC controller (018A 018) is connected the input of negative pressure attraction pump (A004), electromagnetic heater (A007), solenoid valve (A009) and servo motor (A021) respectively.
2. The plasmapheresis mixer and blood exchange device of claim 1, wherein: the lower side of the shell (A001) is provided with more than four groups of universal wheels (A025), and the more than four groups of universal wheels (A025) are symmetrically distributed at equal angles.
3. The plasmapheresis mixer and blood exchange device of claim 1, wherein: the upside of shroud (A014) is equipped with handle (A017), one side that shroud (A014) is close to handle (A017) is equipped with bee calling organ (A008), the opposite side that shroud (A014) is close to handle (A017) is equipped with warning light (A016), the input of bee calling organ (A008) and warning light (A016) is connected to the output of PLC controller (A018) electricity respectively.
4. The plasmapheresis mixer and blood exchange device of claim 1, wherein: one side of the cover cap (A014) close to the replacement liquid tank body (A013) is provided with a wireless transceiver (A011), and the wireless transceiver (A011) is electrically connected with a PLC (A018) in a bidirectional mode.
5. The plasmapheresis mixer and blood exchange device of claim 1, wherein: the opposite side that shroud (A014) is close to replacement liquid box (A013) is equipped with second catheter (A015), shroud (A014) is passed and pipe connector (A029) is connected to the one end of second catheter (A015), pipe connector (A029) is connected with third catheter (A023) cooperation.
6. The plasmapheresis mixer and method according to claim 1, wherein: firstly, blood of a patient is filtered by a blood filter A022 through a second liquid guide tube A015 and then is guided into a mixing box A020, then replacement liquid in a replacement liquid box A013 is guided into the mixing box A020 through a first liquid guide tube A006, at the moment, a servo motor A021 is controlled to be turned on through a PLC A018, an output shaft of the servo motor A021 rotates to drive a connected rotating shaft to rotate, the rotating shaft rotates to drive a connected fan-shaped stirring rib A002 to stir and mix the mixture so as to be uniformly distributed, then a negative pressure suction pump A004 is controlled to be turned on through the PLC A018, liquid in the mixing box A020 is input into the body of the patient through a blood return tube A003, liquid level measurement can be carried out on the replacement liquid in the liquid change box A013 through a liquid level sensor A010, then detected data are transmitted to an input end of the PLC A018, the PLC A018 controls a buzzer A008 and a warning lamp A016 to be turned on for warning indication, can be replaced in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429784.1A CN112587741A (en) | 2020-12-09 | 2020-12-09 | Blood mixer and blood replacement device are returned in blood plasma replacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429784.1A CN112587741A (en) | 2020-12-09 | 2020-12-09 | Blood mixer and blood replacement device are returned in blood plasma replacement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112587741A true CN112587741A (en) | 2021-04-02 |
Family
ID=75191224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011429784.1A Withdrawn CN112587741A (en) | 2020-12-09 | 2020-12-09 | Blood mixer and blood replacement device are returned in blood plasma replacement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112587741A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4468329A (en) * | 1980-06-27 | 1984-08-28 | Gambro Lundia Ab | Hemofiltration system and safety system therefor |
| CN1224624A (en) * | 1999-01-29 | 1999-08-04 | 暨南大学 | Blood filtering machine |
| CN206964835U (en) * | 2017-01-11 | 2018-02-06 | 杨峻山 | Plasma exchange blood back blender and blood replacing device |
| CN208893297U (en) * | 2018-02-09 | 2019-05-24 | 淄博市中心医院 | A kind of blood filter device |
| WO2020202657A1 (en) * | 2019-04-01 | 2020-10-08 | 日機装株式会社 | Blood purification device |
| US20200330673A1 (en) * | 2016-02-16 | 2020-10-22 | Fresenius Medical Care Deutschland Gmbh | Apparatus for carrying out an extracorporeal blood treatment |
-
2020
- 2020-12-09 CN CN202011429784.1A patent/CN112587741A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4468329A (en) * | 1980-06-27 | 1984-08-28 | Gambro Lundia Ab | Hemofiltration system and safety system therefor |
| CN1224624A (en) * | 1999-01-29 | 1999-08-04 | 暨南大学 | Blood filtering machine |
| US20200330673A1 (en) * | 2016-02-16 | 2020-10-22 | Fresenius Medical Care Deutschland Gmbh | Apparatus for carrying out an extracorporeal blood treatment |
| CN206964835U (en) * | 2017-01-11 | 2018-02-06 | 杨峻山 | Plasma exchange blood back blender and blood replacing device |
| CN208893297U (en) * | 2018-02-09 | 2019-05-24 | 淄博市中心医院 | A kind of blood filter device |
| WO2020202657A1 (en) * | 2019-04-01 | 2020-10-08 | 日機装株式会社 | Blood purification device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU687994B2 (en) | Apparatus for carrying out peritoneal dialyses | |
| JP4994391B2 (en) | Home dialysis system | |
| CN110678211A (en) | Device for processing adipocytes removed from a patient and used for transplantation | |
| CN201871012U (en) | Solution supply and dispensing system of hemodialysis machine | |
| CN209123822U (en) | A kind of facility department thimerosal device for formulating | |
| CN112587741A (en) | Blood mixer and blood replacement device are returned in blood plasma replacement | |
| CN203736597U (en) | Full-automatic hemodialysis device | |
| CN209974488U (en) | Hospital clinical laboratory uses effluent treatment plant | |
| CN215086362U (en) | Automatic dosing equipment for hospital sewage disinfection powder | |
| CN213219788U (en) | Hemodialysis antiseptic solution classification barrel | |
| CN102519764A (en) | Automatic solution preparation device | |
| CN213219789U (en) | Antiseptic solution containing barrel for hemodialysis | |
| CN213048494U (en) | Bile filtering and back-transfusion device | |
| CN208049805U (en) | Enzyme cleaning solution automatic proportioner | |
| CN217699065U (en) | Liquid preparation device for in-vitro diagnostic reagent | |
| CN114307733A (en) | Clinical nutrition branch of academic or vocational study is with nutrient solution blending device convenient to use operation | |
| CN209316652U (en) | A kind of pachyemia dialyzate distributor | |
| CN108079864A (en) | Enzyme cleaning solution automatic proportioner | |
| CN218290482U (en) | Intelligent chemical dosing device capable of automatically dosing | |
| CN208741371U (en) | A kind of neurology department's special-purpose multifunctional drug solution preparing cabinet | |
| CN111686600A (en) | A configuration device for antiseptic solution production | |
| CN219942775U (en) | Glass reaction kettle for chemistry experiment room | |
| CN216963162U (en) | AB liquid operating means is used in hemodialysis branch of academic or vocational study nursing | |
| CN219354839U (en) | Hemodialysis instrument | |
| CN216584333U (en) | Waste liquid treatment transfer device |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210402 |