CN116106236A - Priming device and medical equipment - Google Patents
Priming device and medical equipment Download PDFInfo
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- CN116106236A CN116106236A CN202210110947.2A CN202210110947A CN116106236A CN 116106236 A CN116106236 A CN 116106236A CN 202210110947 A CN202210110947 A CN 202210110947A CN 116106236 A CN116106236 A CN 116106236A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/56—Labware specially adapted for transferring fluids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0609—Holders integrated in container to position an object
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0627—Sensor or part of a sensor is integrated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
- B01L2400/0481—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure squeezing of channels or chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2400/00—Moving or stopping fluids
- B01L2400/04—Moving fluids with specific forces or mechanical means
- B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
- B01L2400/0484—Cantilevers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Spectroscopy & Molecular Physics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a liquid injection device and medical equipment. The priming device includes a mounting bracket, a diluent container, and a priming assembly. The mounting bracket is provided with a positioning part; the diluent container is detachably arranged on the positioning part and comprises a bottle body, a nozzle and a suction assembly, wherein the nozzle is arranged on the bottle body, a liquid outlet is formed in the nozzle, the suction assembly is arranged on the nozzle and communicated with the bottle body and the liquid outlet, and the suction assembly sucks the diluent in the bottle body to the liquid outlet by the pressing force applied by the nozzle; the liquid injection assembly is arranged on the mounting bracket and comprises a liquid injection arm which moves along the axial direction or the radial direction of the bottle body so as to directly or indirectly apply a pressing force to the nozzle. When the liquid injection device is used, the liquid injection device does not need to be manually held or pressed, and the addition and the pouring of the diluent can be realized only through the movement of the liquid injection arm, so that the operation is simple and quick, and the detection efficiency of medical equipment such as a biochemical detector is convenient to improve.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a liquid injection device and medical equipment.
Background
Biochemical detectors, also commonly referred to as biochemicals, are devices that use the principle of optoelectric colorimetry to measure a specific chemical composition in a body fluid. Because of the rapid measurement speed, high accuracy and small consumption of reagents, the method is widely used in hospitals, epidemic prevention stations and family planning service stations at all levels, and can greatly improve the efficiency of conventional biochemical tests.
In recent years, biochemical detection is often implemented by adopting a microfluidic technology, freeze-dried reagent balls are pre-packaged on a microfluidic disc for biochemical detection, and in the biochemical detection process, diluent needs to be added into the disc to dilute the freeze-dried reagent balls. However, the current diluent is usually added by manually holding the pipette to hold the pipette, adjusting the pipette to the required volume, and then pressing the pipette to complete the extraction. The mode has higher requirements on the operation method, the high-precision pipette has higher price, one pipette tip is consumed for each extraction, the operation is complex, and the time consumption is long.
Disclosure of Invention
The invention mainly aims to provide a priming device and medical equipment, which are used for solving the problem of complicated operation in the diluent adding process of a biochemical detector in the prior art.
In order to achieve the above object, the present invention provides a liquid injection device comprising:
the mounting bracket is provided with a positioning part;
the diluent container is detachably arranged on the positioning part and comprises a bottle body, a nozzle and a suction assembly, wherein the nozzle is arranged on the bottle body, a liquid outlet is formed in the nozzle, the suction assembly is arranged on the nozzle and communicated with the bottle body and the liquid outlet, and the suction assembly sucks the diluent in the bottle body to the liquid outlet under the pressing force exerted by the nozzle; and
annotate the liquid subassembly, annotate the liquid subassembly set up in the installing support, annotate the liquid subassembly and include annotate the liquid arm, annotate the liquid arm along the axial or radial motion of body with directly or indirectly to the compressive force is exerted to the nozzle.
Further, the liquid injection device further comprises a driving device, the driving device is arranged on the mounting bracket, and the driving device is in driving connection with the liquid injection assembly to drive the liquid injection arm to move along the axial direction or the radial direction of the bottle body.
Further, the liquid injection assembly further comprises a fixing piece, and the liquid injection arm is arranged on the fixing piece;
the driving device comprises a driving motor which is in driving connection with the fixing piece to drive the liquid injection arm to move along the axial direction or the radial direction of the bottle body.
Further, the driving motor is a linear motor, and the fixing piece is connected with an output shaft of the linear motor so as to drive the liquid injection arm to move along the axial direction of the bottle body under the driving of the linear motor; or alternatively, the process may be performed,
the driving motor is a rotary driving motor, an output shaft of the rotary driving motor is connected with the fixing piece through a screw rod, and the rotary driving motor rotates to drive the screw rod to rotate so as to drive the fixing piece and the liquid injection arm to move along the axial direction of the bottle body; or alternatively, the process may be performed,
the driving motor is a rotary driving motor, and an output shaft of the rotary driving motor is connected with the fixing piece to drive the liquid injection arm to move along the radial direction of the bottle body.
Further, a guide rod is arranged on the mounting bracket, and the guide rod penetrates through the fixing piece to limit and guide the fixing piece.
Further, the fixing piece moves along the axial direction of the bottle body, the liquid injection arm is rotatably connected to the fixing piece, and the liquid injection arm is provided with an avoiding position for avoiding the positioning part and a pressing position above the positioning part.
Further, the priming assembly further comprises an operating handle disposed on the priming arm to switch the priming arm between the retracted position and the depressed position.
Further, the priming device further includes a controller and a position detecting element, the position detecting element is disposed on the mounting bracket to detect a position of the priming component, the position detecting element and the driving device are electrically connected with the controller, and the controller controls the driving device according to signals transmitted by the position detecting element.
Further, the positioning part is a positioning hole, and the diluent container is reversely arranged in the positioning hole.
In another aspect, the present invention also provides a medical apparatus, which includes an injection device, where the injection device is the above injection device.
When the technical scheme of the invention is applied, the diluent container is firstly arranged at the positioning part when the liquid injection device is used for injecting liquid, the liquid outlet of the diluent container is communicated with a structure needing liquid injection, such as a microfluidic disc, then the liquid injection arm moves along the axial direction or the radial direction of the bottle body, and further the pressing force is applied to the nozzle, so that the diluent in the bottle body can be sucked to the liquid outlet by the suction component, and then the structure needing liquid injection is injected. Therefore, the liquid injection device does not need to be manually held or pressed when in use, and can realize the addition and the perfusion of the diluent only by the movement of the liquid injection arm, so that the operation is simple and quick, and the detection efficiency of medical equipment such as a biochemical detector is convenient to improve.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic perspective view of a medical device of the present invention;
FIG. 2 is a schematic view of the structure of the liquid injection device of the present invention when injecting liquid;
FIG. 3 is a schematic view of the structure of the liquid injection apparatus of the present invention when installed in the medical device;
fig. 4 is a partial cross-sectional view of the priming device of the present invention.
Wherein the above figures include the following reference numerals:
10. a mounting bracket; 11. a positioning part; 20. a diluent container; 21. a bottle body; 22. a nozzle; 221. a liquid outlet; 30. a liquid injection assembly; 31. a liquid injection arm; 311. an operating handle; 312. a connecting pin; 32. a fixing member; 40. a driving device; 50. a guide rod; 60. a position detecting element; 100. a medical device; 110. a base; 120. a motor; 130. a tray; 140. microfluidic discs.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Referring to fig. 1 to 3, according to an embodiment of the present invention, a medical device 100 is provided, and the medical device 100 in this embodiment is particularly a medical device 100 such as a biochemical detector or a luminescence detector. Specifically, the medical device 100 in the present embodiment includes a base 110 and an priming device disposed above the base 110.
Wherein, a tray 130 is disposed on the base 110, the tray 130 can rotate under the driving of the motor 120, and the tray 130 is used for placing the microfluidic disc 140. In actual use, the microfluidic disc 140 is placed on the tray 130, then a sample to be detected is injected into the microfluidic disc 140, then diluent is added into the microfluidic disc 140 by using the priming device, the freeze-dried reagent balls pre-packaged in the microfluidic disc 140 can be diluted, then the tray 130 and the microfluidic disc 140 placed on the tray 130 are driven by the motor 120 to rotate, the sample contained in the microfluidic disc 140 can be separated, the sample reacts with the reagent, and finally the sample is detected by using the light source, the detector and the like pre-mounted on the medical equipment 100.
As described in the background art, the existing medical devices 100 such as biochemical detectors are not provided with a priming device, usually, a manual operation is adopted to add the diluent to the microfluidic disc 140, in this process, the pipette needs to be manually held, the pipette is pressed to complete the extraction of the diluent, which has high requirements on the operation method, the high-precision pipette has high price, the operation is complicated and time-consuming, and one pipette gun head is consumed for each extraction, so that the use requirement of medical staff is difficult to be met. In the invention, the injection device is arranged on the medical equipment 100 such as the biochemical detector, so that medical staff can add diluent to the microfluidic disc 140 through the injection device without holding a liquid transfer device during liquid injection, the operation is simple and convenient, and the detection efficiency of the medical equipment 100 is convenient to improve.
The specific structure of the liquid injection device in this embodiment will be described in detail with reference to the drawings.
Referring to fig. 2 to 4, the priming device in this embodiment includes a mounting bracket 10, a diluent container 20, and a priming assembly 30.
Wherein, the mounting bracket 10 is arranged above the base 110, and the mounting bracket 10 is provided with a positioning part 11, and the positioning part 11 is suitable for positioning the diluent container 20; the diluent container 20 is detachably disposed on the positioning portion 11, so that the diluent container 20 is convenient to be replaced, the diluent container 20 includes a bottle body 21, a nozzle 22 and a suction assembly (not shown in the figure), the nozzle 22 is disposed on the bottle body 21, a liquid outlet 221 is disposed on the nozzle 22, when the diluent container is actually installed, the liquid outlet 221 is communicated with a liquid injection port on the microfluidic disc 140 (see fig. 2), the suction assembly is disposed on the nozzle 22 and is communicated with the bottle body 21 and the liquid outlet 221, and when the diluent container is operated, the suction assembly sucks the diluent in the bottle body 21 to the liquid outlet 221 by the pressing force exerted by the nozzle 22, so that the diluent can be conveyed to the microfluidic disc 140; a liquid injection assembly 30 is provided to the mounting bracket 10, the liquid injection assembly 30 including a liquid injection arm 31, the liquid injection arm 31 moving in an axial direction or a radial direction of the body 21 to directly or indirectly apply a pressing force to the nozzle 22.
It will be appreciated that the axial or radial movement of the arm 31 along the body 21 to apply a pressing force directly or indirectly to the nozzle 22 as described herein means: the pressing force is directly applied to the nozzle 22 by moving the arm 31 in the height direction of the body 21 (for example, the nozzle 22 is pressed by moving the arm 31 up and down in the height direction of the body 21), or the pressing force is indirectly applied to the nozzle 22 by moving the arm 31 in the height direction of the body 21 (for example, the nozzle 22 is pressed by moving the arm 31 up and down in the height direction of the body 21), or the pressing force is directly applied to the nozzle 22 by moving the arm 31 in the radial direction of the body 21 (for example, the nozzle 22 is pressed by moving the arm 31 in the radial direction of the body 21, and in this case, a wedge surface may be provided on the nozzle 22 to engage with the arm 31), or the pressing force is indirectly applied to the nozzle 22 by moving the arm 31 in the radial direction of the body 21 (for example, the arm 31 is pressed by moving the body 21 in the radial direction of the body 21 to press the nozzle 22, and in this case, a wedge surface may be provided on the body 21 to engage with the arm 31).
When the liquid injection device in this embodiment is used for injecting liquid, firstly, the diluent container 20 is installed at the positioning portion 11, and the liquid outlet 221 of the diluent container 20 is communicated with a structure requiring liquid injection, for example, the microfluidic disc 140, then the liquid injection arm 31 moves along the axial direction or the radial direction of the bottle body 21, and further, a pressing force is applied to the nozzle 22, so that the pumping assembly can pump the diluent in the bottle body 21 to the liquid outlet 221, and then the diluent is injected into the structure requiring liquid injection. Therefore, the liquid injection device of the invention can be used without manually holding and pressing the liquid transfer device, and can realize the addition and the pouring of the diluent only by the movement of the liquid injection arm 31, the operation is simple and quick, and the detection efficiency of the medical equipment 100 such as a biochemical detector is convenient to be improved.
Further, the mounting bracket 10 in the present embodiment is not particularly limited in this embodiment as long as it is a bracket structure that facilitates mounting of the diluent container 20, the injection unit 30, and the like.
In an alternative implementation manner of this embodiment, the positioning portion 11 is provided with a positioning hole, at this time, the diluent container 20 is inverted (i.e. the nozzle 22 is downward, and the bottle body 21 is upward mounted) and is provided with the positioning hole, and in actual use, the diluent container 20 is just pressed by the injection arm 31, so that the diluent container 20 can be sprayed downward. If the liquid outlet 221 of the diluent container 20 is aligned with the structure to be filled, there is no need to provide a connecting pipe between the liquid outlet 221 and the structure to be filled, the structure of the medical device 100 can be simplified, and the transmission path of the diluent is shorter, which is more suitable for use in a precise detecting instrument.
Of course, in other embodiments of the present invention, the diluent container 20 may be mounted on the mounting bracket 10 vertically or obliquely, and in this case, a connecting pipe needs to be provided between the nozzle 22 and the structure to be filled, and any other modification is within the scope of the present invention.
Referring again to fig. 2 to 4, the priming device in this embodiment is further provided with a driving device 40, where the driving device 40 is disposed on the mounting bracket 10, and in actual operation, the driving device 40 is in driving connection with the priming member 30 to drive the priming arm 31 to move along the axial direction or the radial direction of the bottle body 21. That is, by providing the driving device 40, the liquid injection arm 31 can be driven to move axially or radially along the bottle body 21, so that the diluent container 20 can be pressed, and then the diluent in the diluent container 20 can be pumped to the liquid outlet 221, and then added into a structure requiring liquid injection, the whole liquid injection process does not need medical staff to press the diluent container 20, the degree of automation is high, time and labor are saved, and the detection efficiency of the medical equipment 100 such as a biochemical detector can be further improved.
In order to mount the priming arm 31, the priming assembly 30 of the present embodiment further includes a fixing member 32, and the fixing member 32 may be, for example, a fixing block, and the priming arm 31 is disposed on the fixing member 32 when actually mounted; the driving device 40 comprises a driving motor which is in driving connection with the fixing piece 32, so that the liquid injection arm 31 can be driven to move along the axial direction or the radial direction of the bottle body 21, and the structure is stable and reliable.
In one embodiment of the present invention, the driving motor is configured as a linear motor, and when the device is assembled, the fixing member 32 is connected to the output shaft of the linear motor to drive the liquid injection arm 31 to move along the axial direction of the bottle body 21 under the driving of the linear motor, at this time, the liquid injection arm 31 reciprocates along the axial direction of the bottle body 21, and the nozzle 22 can be pressed to draw out the diluent in the bottle body 21.
In another embodiment of the present invention, the driving motor may be a rotary driving motor, and the output shaft of the rotary driving motor is connected with the fixing member 32 through a screw, and the rotation of the rotary driving motor drives the screw to rotate so as to drive the fixing member 32 and the liquid injection arm 31 to move along the axial direction of the bottle body 21, at this time, the liquid injection arm 31 reciprocates along the axial direction of the bottle body 21, so that the nozzle 22 may be pressed to extract the diluent in the bottle body 21.
In another embodiment of the present invention, the driving motor may be a rotary driving motor, and an output shaft of the rotary driving motor is connected to the fixing member 32 to drive the liquid injection arm 31 to move along the radial direction of the bottle body 21, at this time, a wedge surface is provided on the diluent container 20, and the liquid injection arm 31 is matched with the wedge surface, when the driving motor drives the liquid injection arm 31 to move along the radial direction of the bottle body 21, the liquid injection arm 31 moves along the wedge surface, so that the diluent container 20 can be pressed, and then the diluent in the bottle body 21 can be pumped out to be injected into the structure requiring liquid injection.
Further, the mounting bracket 10 in this embodiment is provided with a guide rod 50, and the guide rod 50 is disposed through the fixing member 32 to limit and guide the fixing member 32. When the driving device 40 moves, the guide rod 50 can limit and guide the fixing piece 32, so that the whole structure is more stable and reliable. Alternatively, the guide rod 50 in the present embodiment may be a cylindrical rod, or may be a prismatic rod, and any other modification forms within the spirit of the present invention are within the scope of the present invention.
In one embodiment of the present invention, the driving device 40 drives the fixing member 32 to move along the axial direction of the bottle body 21, and in this structure, the fixing member 32 is located above the diluent container 20, so that the diluent container 20 is not convenient to replace after the diluent in the diluent container 20 is used up. For this reason, in the present embodiment, the injection arm 31 is rotatably connected to the fixing member 32, and in actual use, the injection arm 31 has an escape position where the positioning portion 11 is escaped and a pressing position above the positioning portion 11. When the diluent container 20 needs to be replaced, the injection arm 31 is simply rotated to the avoiding position.
Specifically, the liquid injection arm 31 in the present embodiment is connected to the fixing member 32 through the connecting pin 312, and the liquid injection arm 31 can rotate relative to the connecting pin 312 so as to switch between the avoidance position and the pressing position, so that the structure is simple, and implementation is convenient.
Further, the liquid injection assembly 30 in this embodiment further includes an operation handle 311, where the operation handle 311 is disposed on the liquid injection arm 31, and when in use, the operation handle 311 is held to switch the liquid injection arm 31 between the avoiding position and the pressing position, so that the structure is simple and the operation is convenient. Optionally, the liquid injection arm 31 in this embodiment is a long arm, one end of the liquid injection arm 31 is connected with the fixing member 32 through the connecting pin 312, the operation handle 311 is disposed at the other end of the liquid injection arm 31, and the operation handle 311 is used to drive the liquid injection arm 31 to rotate, which saves more effort, and is simpler and faster to operate.
Further, the priming device in this embodiment further includes a controller (not shown) and a position detecting element 60, wherein the position detecting element 60 is disposed on the mounting bracket 10 to detect the position of the priming member 30, and the position detecting element 60 and the driving device 40 are electrically connected to the controller, and the controller controls the driving device 40 according to the signal transmitted by the position detecting element 60. Specifically, the position detecting element 60 in this embodiment may be a photoelectric switch, a position sensor, or other structures, where the position detecting element 60 is disposed on the mounting bracket 10, specifically disposed at a position of the mounting bracket 10 corresponding to the liquid injection assembly 30, and when the position detecting element 60 detects that the liquid injection assembly 30 moves to the initial position, the controller may control the driving device 40 to drive the liquid injection assembly 30 to perform the pressing and liquid injection action according to the control requirement, and when the position detecting element 60 detects that the liquid injection assembly 30 moves to the initial position, the controller controls the driving device 40 to move until the position detecting element 60 transmits the liquid injection assembly 30 to the controller to return to the initial position. That is, the controller and the position detecting element 60 are provided in the present embodiment, so that the degree of automation of the liquid injection device of the present invention can be improved, and the operation efficiency of the medical apparatus 100 of the present invention can be further improved.
In summary, when the liquid injection device of the present invention is used for injecting liquid, the diluent container 20 is first installed at the positioning portion 11, the liquid outlet 221 of the diluent container 20 is communicated with a structure requiring liquid injection, for example, the microfluidic disc 140, then the liquid injection arm 31 moves along the axial direction or the radial direction of the bottle body 21, and further the pressing force is applied to the nozzle 22, so that the suction assembly can suck the diluent in the bottle body 21 to the liquid outlet 221, and then the diluent is injected into the structure requiring liquid injection. Therefore, the liquid injection device of the invention can be used without manually holding and pressing the liquid transfer device, and can realize the addition and the pouring of the diluent only by the movement of the liquid injection arm 31, the operation is simple and quick, and the detection efficiency of the medical equipment 100 such as a biochemical detector is convenient to be improved.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A priming device, comprising:
the mounting bracket (10), the mounting bracket (10) is provided with a positioning part (11);
the diluent container (20), diluent container (20) detachably set up in location portion (11), diluent container (20) include body (21), nozzle (22) and suction subassembly, nozzle (22) set up in body (21), be provided with liquid outlet (221) on nozzle (22), suction subassembly set up in nozzle (22) and with body (21) and liquid outlet (221) intercommunication, suction subassembly receives the pressing force that nozzle (22) applyed will diluent in body (21) is to liquid outlet (221); and
annotate liquid subassembly (30), annotate liquid subassembly (30) set up in installing support (10), annotate liquid subassembly (30) include annotate liquid arm (31), annotate liquid arm (31) along the axial or radial motion of body (21) in order to directly or indirectly to nozzle (22) is exerted the compressive force.
2. The priming device of claim 1, further comprising a drive device (40), the drive device (40) being disposed on the mounting bracket (10), the drive device (40) being drivingly connected to the priming assembly (30) to drive the priming arm (31) to move axially or radially along the body (21).
3. The priming device of claim 2, wherein the priming assembly (30) further comprises a fixture (32), the priming arm (31) being disposed to the fixture (32);
the driving device (40) comprises a driving motor which is in driving connection with the fixing piece (32) to drive the liquid injection arm (31) to move along the axial direction or the radial direction of the bottle body (21).
4. A priming device as claimed in claim 3, wherein the drive motor is a linear motor, and the fixing member (32) is connected to an output shaft of the linear motor to drive the priming arm (31) to move axially along the body (21) under the drive of the linear motor; or alternatively, the process may be performed,
the driving motor is a rotary driving motor, an output shaft of the rotary driving motor is connected with the fixing piece (32) through a screw rod, and the rotary driving motor rotates to drive the screw rod to rotate so as to drive the fixing piece (32) and the liquid injection arm (31) to move along the axial direction of the bottle body (21); or alternatively, the process may be performed,
the driving motor is a rotary driving motor, and an output shaft of the rotary driving motor is connected with the fixing piece (32) to drive the liquid injection arm (31) to move along the radial direction of the bottle body (21).
5. A priming device as claimed in claim 3, in which the mounting bracket (10) is provided with a guide bar (50), the guide bar (50) being arranged through the fixing element (32) to limit and guide the fixing element (32).
6. A priming device according to claim 3, wherein the securing member (32) is movable in an axial direction of the body (21), the priming arm (31) being rotatably connected to the securing member (32), the priming arm (31) having a let-off position for let-off the positioning portion (11) and a pressing position above the positioning portion (11).
7. The priming device of claim 6, wherein the priming assembly (30) further comprises an operating handle (311), the operating handle (311) being provided to the priming arm (31) to switch the priming arm (31) between the retracted position and the depressed position.
8. The priming device of any one of claims 2 to 7, further comprising a controller and a position detection element (60), the position detection element (60) being provided to the mounting bracket (10) for detecting the position of the priming member (30), the position detection element (60) and the driving device (40) both being electrically connected to the controller, the controller controlling the driving device (40) in dependence of signals transmitted by the position detection element (60).
9. The priming device of any one of claims 1 to 7, wherein the positioning portion (11) is a positioning hole, and the diluent container (20) is arranged upside down in the positioning hole.
10. A medical device, characterized in that it comprises an priming device according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110947.2A CN116106236A (en) | 2022-01-29 | 2022-01-29 | Priming device and medical equipment |
| PCT/CN2023/071328 WO2023143004A1 (en) | 2022-01-29 | 2023-01-09 | Liquid injection apparatus, detection method and medical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210110947.2A CN116106236A (en) | 2022-01-29 | 2022-01-29 | Priming device and medical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116106236A true CN116106236A (en) | 2023-05-12 |
Family
ID=86260386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210110947.2A Pending CN116106236A (en) | 2022-01-29 | 2022-01-29 | Priming device and medical equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN116106236A (en) |
| WO (1) | WO2023143004A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117288951B (en) * | 2023-09-04 | 2024-06-18 | 中国人民解放军空军军医大学 | Push type esophagus cancer detection kit |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05256853A (en) * | 1992-03-16 | 1993-10-08 | Hitachi Ltd | Automatic analyzer |
| JP3024375B2 (en) * | 1992-07-31 | 2000-03-21 | 味の素株式会社 | Automatic pretreatment device |
| CN102998473B (en) * | 2012-12-19 | 2014-06-11 | 北京利德曼生化股份有限公司 | Full-automatic chemiluminescence immune analyzer |
| CN104800913B (en) * | 2015-05-15 | 2018-09-25 | 成都杰仕德科技有限公司 | Powder needle bottle dispensation apparatus and dosage |
| CN208537313U (en) * | 2018-08-23 | 2019-02-22 | 刘彦君 | Hydraulic automatic tester for pressure container |
| CN209995570U (en) * | 2019-05-17 | 2020-01-31 | 无锡市伙伴日化科技有限公司 | cosmetic bottle for quantitative liquid injection |
| CN213181182U (en) * | 2020-07-07 | 2021-05-11 | 南京欣迪生物药业工程有限责任公司 | Flow cytometer sheath liquid adding device |
| CN116106217A (en) * | 2022-01-29 | 2023-05-12 | 浙江普施康生物科技有限公司 | Biochemical detector |
-
2022
- 2022-01-29 CN CN202210110947.2A patent/CN116106236A/en active Pending
-
2023
- 2023-01-09 WO PCT/CN2023/071328 patent/WO2023143004A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2023143004A1 (en) | 2023-08-03 |
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