CN109178518B - Automatic squeezing and plugging device for blood separation medium bag - Google Patents
Automatic squeezing and plugging device for blood separation medium bag Download PDFInfo
- Publication number
- CN109178518B CN109178518B CN201811137867.6A CN201811137867A CN109178518B CN 109178518 B CN109178518 B CN 109178518B CN 201811137867 A CN201811137867 A CN 201811137867A CN 109178518 B CN109178518 B CN 109178518B
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- bag
- piece
- motor
- plate
- breaking
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- 239000008280 blood Substances 0.000 title claims abstract description 37
- 210000004369 blood Anatomy 0.000 title claims abstract description 37
- 238000000926 separation method Methods 0.000 title claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims abstract description 53
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0008—Opening and emptying bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
- B67B7/00—Hand- or power-operated devices for opening closed containers
- B67B7/92—Hand- or power-operated devices for opening closed containers by breaking, e.g. for ampoules
Abstract
The invention discloses an automatic bag extruding and plugging device in blood separation, which comprises an extruding device for extruding solution in a bag to the outside of the bag and a plugging device for plugging a plug rod at a bag opening; the extrusion device comprises a bottom plate, a KK module, a sliding rail, a sliding block, a connecting frame, a movable extrusion plate and a fixed plate; the plug breaking device comprises a motor, a clamping piece and a plug breaking piece which is connected with an output shaft of the motor and is driven by the motor to rotate or turn around the output shaft. According to the invention, the motor drives the plug breaking piece and under the action of the clamping piece, the plug rod is automatically broken; the movable extrusion plate can be continuously closed towards the fixed plate under the action of the KK module, the connecting frame and the sliding rail, so that the automatic extrusion of the bag is realized; the automatic bag extruding and plugging device can realize automatic bag breaking and extruding operations, greatly improve the working efficiency, and has stable structure and low failure rate.
Description
Technical Field
The invention relates to the technical field of blood separation equipment, in particular to an automatic extrusion plug breaking device for a blood separation middle bag.
Background
At present, a stopper rod for sealing is arranged at the inlet of the top of a blood bag used in the medical industry so as to ensure the vacuum sealing effect of the consumable blood bag before use. When separating blood, need break off the cock stem off first, then extrude the blood bag through the extrusion equipment on the blood separator, make multiple blood components in the former blood bag transfer to the corresponding component through the plastic pipe and collect the blood bag. Of course, in blood separation, a maintenance liquid bag is also required, and the use of the maintenance liquid bag is the same as that of the blood bag, and the stopper rod is required to be broken. In the prior art, traditional manual operation modes such as manual breaking of a stopper rod, manual extrusion of a blood bag and the like are still adopted, so that the efficiency is low.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides an automatic extrusion plug breaking device for a blood separation medium bag, which comprises an extrusion device for extruding a solution in the bag to the outside of the bag and a plug breaking device for breaking a plug rod at a bag opening;
the extrusion device comprises a horizontal bottom plate, a KK module, a fixed vertical frame, a sliding rail, a sliding block, an angle iron-shaped connecting frame, a guide shaft, a movable extrusion plate and a fixed plate, wherein the KK module is horizontally arranged on the bottom plate; one end of the guide shaft is connected to the connecting frame, the other end of the guide shaft is far away from the connecting frame, and the other end of the guide shaft is connected with the movable extrusion plate; the fixed plate is arranged between the movable extrusion plate and the connecting frame, and the plate surface of the fixed plate, which faces away from the movable extrusion plate, is connected with the fixed vertical frame through the supporting frame;
the plug breaking device comprises a motor, a clamping piece and a plug breaking piece, wherein an output shaft of the motor is perpendicular to the plate surface of the fixed plate, and the plug breaking piece is connected with the output shaft of the motor and is driven by the motor to rotate or turn around the output shaft; the motor is fixed at the upper end of the fixed vertical frame; the clamping piece is arranged on the surface of the fixed plate, which is opposite to the movable extrusion plate; one end of the plug breaking piece, which is far away from the motor, is arranged above or below the clamping piece; the clamping piece comprises two sheet bodies which are arranged in parallel at intervals; the plug breaking piece comprises two rod bodies which are arranged in parallel at intervals;
the automatic extrusion plug breaking device for the blood separation medium bag further comprises a PLC control unit which is connected with the extrusion device and the electrically controllable part in the plug breaking device through electric signals.
Further, the extrusion device further comprises a sensor installation guide rail connected with the bottom plate and arranged parallel to the sliding rail, a plurality of light sensing assemblies arranged on the sensor installation guide rail through KK module light sensing installation sheets and a bag sensing sheet arranged above the sensor installation guide rail and matched with the light sensing assemblies; the bag sensing piece is mounted on the connecting frame.
Further, the plug breaking piece is eccentrically connected with an output shaft of the motor through a rotary connecting piece; the fixed plate is provided with a semicircular rotary guide groove taking the axis of the motor output shaft as the center of a circle and taking the eccentric distance of the plug breaking piece as the radius; the rotary guide groove is located right above the clamping piece.
Further, the plug breaking piece comprises a connector which is directly and coaxially connected with an output shaft of the motor; two parallel rods arranged at intervals of the plug breaking piece are arranged at one end of the connector opposite to the motor; the connector passes through the fixing plate.
Further, the plug breaking device further comprises a hanging rod which is perpendicular to the plate surface of the fixing plate and is positioned below the clamping piece. Through the action of the hanging rod, the bag can be hung and fixed, and the bag body is prevented from being manually held in the process of breaking off the plug and extruding.
Further, one end of the rod body of the stopper breaking-off piece, which is far away from the motor, is provided with a protruding part with the diameter larger than that of the rod body. By the action of the protruding part, the bag can be prevented from deviating from the stopper breaking piece when being broken off.
Further, elastic beads are embedded in the opposite end faces of the two sheet bodies of the clamping piece. The plug rod can be clamped under the action of the elastic beads, so that the plug rod is prevented from being displaced or separated.
Further, the extrusion device also comprises a reinforcing rib arranged on the connecting frame; the reinforcing ribs and the connecting frame form a triangular frame structure.
Further, at least three guide shafts are provided, and the three guide shafts are respectively connected with three corners of the movable extrusion plate.
Further, the bag is a blood bag or a maintenance liquid bag.
According to the automatic squeezing plug breaking device for the blood separation medium bag, provided by the invention, the plug breaking piece is driven by the motor, and under the action of the clamping piece, the automatic breaking of the plug rod is realized; the movable extrusion plate can be continuously closed towards the fixed plate under the action of the KK module, the connecting frame and the sliding rail, so that the automatic extrusion of the bag is realized; the travel of the movable extrusion plate can be known through the cooperation of the bag sensing sheet and the light sensing assembly, so that the extrusion state of the bag can be known, and the extrusion state of the bag is controllable. Therefore, the automatic bag extruding and plugging device can realize automatic bag breaking and extruding operations, greatly improve the working efficiency, and has stable structure and low failure rate.
Drawings
FIG. 1 is a schematic view of a structure of an automatic squeezing and plugging device for a blood separation medium bag provided by the invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1 from another angle with the anchor plate removed;
FIG. 3 is a schematic view of a partially enlarged structure of FIG. 1;
fig. 4 is a schematic view of the structure of fig. 3 during the breaking-off process;
FIG. 5 is a schematic view of the structure of the clamping member of FIG. 3;
fig. 6 is a schematic structural view of the breaking-off piece in fig. 3;
fig. 7 is a schematic view of the breaking-off device shown in fig. 6 when the breaking-off device is combined with the clamping member in another structure.
Wherein, 1, the bottom plate; 2. a KK module; 3. fixing the vertical frame; 4. a slide rail; 5. a slide block; 6. a connecting frame; 7. a guide shaft; 8. a movable extrusion plate; 9. a fixing plate; 10. a support frame; 11. reinforcing ribs; 12. a sensor mounting rail; 13. KK module optical sensing mounting plate; 14. a light sensing assembly; 15. a bag sensor sheet; 16. a motor; 17. a clamping member; 18. breaking off the plug piece; 19. a rotary connector; 20. a rotary guide groove; 21. a connector; 22. an elastic bead; 23. a rod body; 24. a sheet body; 25. a sliding adapter; 26. a hanging rod; 27. a bag; 28. a plug rod.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 7, the present invention provides an automatic squeezing and plugging device for bags in blood separation, comprising a squeezing device for squeezing the solution in the bag to the outside of the bag and a plugging device for plugging the plug rod 28 at the mouth of the bag; the bag 27 is a blood bag or a maintenance liquid bag.
The extrusion device comprises a horizontal bottom plate 1, a KK module 2 horizontally arranged on the bottom plate 1, a fixed vertical frame 3 vertically arranged on the bottom plate 1, a sliding rail 4 arranged on the fixed vertical frame 3 in parallel with the translation direction of the KK module 2, a sliding block 5 matched with the sliding rail 4, an angle iron-shaped connecting frame 6 with one end connected to the sliding frame of the KK module and the other end connected with the sliding block 5 through a sliding block 5 adapter, a guide shaft 7 arranged in parallel with the sliding rail 4, a movable extrusion plate 8 arranged vertically and a fixed plate 9 arranged in parallel with the movable extrusion plate 8; one end of the guide shaft 7 is connected to the connecting frame 6, the other end of the guide shaft 7 is far away from the connecting frame 6, and the other end is connected with the movable extrusion plate 8; the fixed plate 9 is arranged between the movable extrusion plate 8 and the connecting frame 6, and the plate surface of the fixed plate 9 facing away from the movable extrusion plate 8 is connected with the fixed vertical frame 3 through the supporting frame 10; the extrusion device also comprises a reinforcing rib 11 arranged on the connecting frame 6; the reinforcing ribs 11 and the connecting frame 6 form a triangular frame structure. The guide shafts 7 are preferably three, and the three guide shafts 7 are respectively connected with three corners of the movable extrusion plate 8.
The plug breaking device comprises a motor 16, a clamping piece 17 and a plug breaking piece 18, wherein an output shaft of the motor 16 is perpendicular to the plate surface of the fixed plate 9, and the plug breaking piece 18 is connected with the output shaft of the motor 16 and driven by the motor 16 to rotate or turn around the output shaft; the motor 16 is fixed at the upper end of the fixed vertical frame 3; the clamping piece 17 is arranged on the surface of the fixed plate 9, which is opposite to the movable extrusion plate 8; one end of the plug breaking piece 18, which is far away from the motor 16, is arranged above or below the clamping piece 17; the clamping piece 17 comprises two sheets which are arranged in parallel at intervals; the breaking-off plug 18 comprises two rod bodies which are arranged in parallel at intervals; photoelectric sensors (not shown) can be arranged on two sides of the plug breaking piece 18, and the rotation angle of the plug breaking piece 18 is detected through the photoelectric sensors, so that automatic control is performed on the plug breaking piece, automatic breaking of the plug rod 28 is realized, and excessive breaking is avoided.
The automatic extrusion plug breaking device for the blood separation medium bag further comprises a PLC control unit which is connected with the extrusion device and the electrically controllable part in the plug breaking device through electric signals. The electrically controllable part comprises various sensing devices, KK modules, a motor 16 and the like in the specification, and can be connected with a PLC control unit to realize automatic control as long as the electrically controllable part is provided with the devices, and the control mode adopts the prior art, so that the description is omitted.
The extrusion device further comprises a sensor mounting guide rail 12 connected with the bottom plate 1 and arranged parallel to the sliding rail 4, a plurality of light sensing assemblies 14 arranged on the sensor mounting guide rail 12 through KK module light sensing mounting pieces 13, and a bag sensing piece 15 arranged above the sensor mounting guide rail 12 and matched with the light sensing assemblies 14; the bag sensor chip 15 is mounted on the connection frame 6. By the cooperation of the bag sensor sheet 15 and the photo sensor assembly 14, the stroke of the movable squeeze plate 8 can be known, and thus the squeeze state of the bag can be known.
The breaking-off piece 18 in this embodiment may have two structures, wherein one structure is that the breaking-off piece 18 is eccentrically connected with the output shaft of the motor 16 through a rotary connecting piece; the fixed plate 9 is provided with a semicircular rotary guide groove 20 taking the axis of the output shaft of the motor 16 as the center of a circle and taking the eccentric distance of the plug breaking piece 18 as the radius; the rotation guide groove 20 is located right above the clamping piece 17, and the width of the rotation guide groove 20 is larger than the diameter of the breaking-off piece 18.
As shown in fig. 7, another structure of the breaking-off piece 18 is that the breaking-off piece 18 includes a connector directly coaxially connected with an output shaft of the motor 16; two parallel rods arranged at intervals of the plug breaking piece 18 are arranged at one end of the connector opposite to the motor 16; the connector passes through the fixing plate 9. Both of the above-described constructions of the breaking-off member 18 can realize breaking-off of the stopper rod 28. Preferably, the first structure is selected as the breaking-off piece 18 of the blood bag, and the second structure is selected as the breaking-off piece 18 of the maintenance liquid bag.
The breaking-off device further comprises a hanging rod 26 which is arranged perpendicular to the plate surface of the fixing plate 9 and is positioned below the clamping piece 17. The bag can be hung and fixed through the action of the hanging rod 26, so that the bag body is prevented from being manually held in the process of breaking off the plug and extruding. One end of the rod body of the stopper breaking-off piece 18, which is far away from the motor 16, is provided with a protruding part with a diameter larger than that of the rod body. By the action of the protruding portion, the bag is prevented from being deviated to be separated from the stopper 18 when the bag is stopped. The two opposite end faces of the two sheets of the clamping piece 17 are embedded with elastic beads 22. The stopper rod 28 is held by the elastic beads 22 to prevent displacement or detachment.
In specific use, the bag is hung on the fixed plate 9 through the hanging rod 26, and the bag is positioned between the fixed plate 9 and the movable extrusion plate 8; the stopper rod 28 is clamped between two sheet bodies of the clamping piece 17 and two rod bodies of the stopper breaking piece 18, the stopper breaking piece 18 is driven to rotate through the rotation of the motor 16, the stopper breaking piece 18 rotates or turns, one end of the stopper rod 28 is clamped by the clamping piece 17, the other end of the stopper rod 28 is subjected to the rotating torque of the stopper breaking piece 18, and accordingly the stopper rod 28 is inclined until breakage occurs at the clamping piece 17, and automatic breaking of the stopper rod 28 is achieved; thereafter, under the action of the KK module, the connecting frame 6 moves along the direction parallel to the sliding rail 4, and then the movable extrusion plate 8 continuously approaches towards the fixed plate 9 until the bag is extruded, so that the automatic extrusion of the bag is realized.
In addition, fig. 1 and 2 actually illustrate two sets of squeezing devices and plug breaking devices, but only include one fixing stand 3, so that by means of the structural design, the space can be effectively saved, and the volume of the blood separation device can be reduced. The pressing device and the breaking-off device of the present invention are not limited to the layout shown in fig. 1 and 2.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The automatic extrusion plug breaking device for the blood separation medium bag is characterized by comprising an extrusion device for extruding the solution in the bag to the outside of the bag and a plug breaking device for breaking off a plug rod at the bag opening;
the extrusion device comprises a horizontal bottom plate, a KK module, a fixed vertical frame, a sliding rail, a sliding block, an angle iron-shaped connecting frame, a guide shaft, a movable extrusion plate and a fixed plate, wherein the KK module is horizontally arranged on the bottom plate; one end of the guide shaft is connected to the connecting frame, the other end of the guide shaft is far away from the connecting frame, and the other end of the guide shaft is connected with the movable extrusion plate; the fixed plate is arranged between the movable extrusion plate and the connecting frame, and the plate surface of the fixed plate, which faces away from the movable extrusion plate, is connected with the fixed vertical frame through the supporting frame;
the plug breaking device comprises a motor, a clamping piece and a plug breaking piece, wherein an output shaft of the motor is perpendicular to the plate surface of the fixed plate, and the plug breaking piece is connected with the output shaft of the motor and is driven by the motor to rotate or turn around the output shaft; the motor is fixed at the upper end of the fixed vertical frame; the clamping piece is arranged on the surface of the fixed plate, which is opposite to the movable extrusion plate; one end of the plug breaking piece, which is far away from the motor, is arranged above or below the clamping piece; the clamping piece comprises two sheet bodies which are arranged in parallel at intervals; the plug breaking piece comprises two rod bodies which are arranged in parallel at intervals;
the automatic extrusion plug breaking device for the blood separation medium bag further comprises a PLC control unit which is connected with the extrusion device and the electrically controllable part in the plug breaking device through electric signals.
2. The automatic extrusion and plugging device for blood separation medium bags according to claim 1, wherein the extrusion device further comprises a sensor mounting guide rail connected with the bottom plate and arranged parallel to the slide rail, a plurality of light sensing assemblies arranged on the sensor mounting guide rail through a KK module light sensing mounting sheet, and a bag sensing sheet arranged above the sensor mounting guide rail and matched with the light sensing assemblies; the bag sensing piece is mounted on the connecting frame.
3. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein the plugging piece is eccentrically connected with an output shaft of a motor through a rotary connecting piece; the fixed plate is provided with a semicircular rotary guide groove taking the axis of the motor output shaft as the center of a circle and taking the eccentric distance of the plug breaking piece as the radius; the rotary guide groove is located right above the clamping piece.
4. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein the plugging piece comprises a connector directly and coaxially connected with an output shaft of the motor; two parallel rods arranged at intervals of the plug breaking piece are arranged at one end of the connector opposite to the motor; the connector passes through the fixing plate.
5. The automatic squeezing and plugging device for blood separation medium bags according to claim 3 or 4, further comprising a hanging rod perpendicular to the plate surface of the fixing plate and below the clamping member.
6. The automatic squeezing and plugging device for blood separation medium bags according to claim 3, wherein one end of the rod body of the plugging piece far away from the motor is provided with a protruding part with a diameter larger than that of the rod body.
7. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein elastic beads are embedded in opposite end surfaces of the two sheet bodies of the clamping piece.
8. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein the squeezing device further comprises a reinforcing rib arranged on the connecting frame; the reinforcing ribs and the connecting frame form a triangular frame structure.
9. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein at least three guide shafts are connected with three corners of the movable squeezing plate respectively.
10. The automatic squeezing and plugging device for blood separation medium bags according to claim 1, wherein said bags are blood bags or maintenance liquid bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137867.6A CN109178518B (en) | 2018-09-28 | 2018-09-28 | Automatic squeezing and plugging device for blood separation medium bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137867.6A CN109178518B (en) | 2018-09-28 | 2018-09-28 | Automatic squeezing and plugging device for blood separation medium bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109178518A CN109178518A (en) | 2019-01-11 |
| CN109178518B true CN109178518B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811137867.6A Active CN109178518B (en) | 2018-09-28 | 2018-09-28 | Automatic squeezing and plugging device for blood separation medium bag |
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| Country | Link |
|---|---|
| CN (1) | CN109178518B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511395B (en) * | 2021-05-18 | 2022-08-02 | 王慧 | Agricultural is medicament contactless bagging apparatus of opening for spraying |
| CN114933078B (en) * | 2022-06-16 | 2023-12-29 | 南华大学 | Method for cutting tube, breaking bag and discharging ice of frozen plasma bag |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315853A (en) * | 1970-02-12 | 1973-05-02 | Tac Construction Materials Ltd | Machine for opening and emptying bags containing fibrous materials |
| CN103189019A (en) * | 2010-07-07 | 2013-07-03 | 赫罗伊斯医疗有限责任公司 | Vacuum cementation system |
| CN108408170A (en) * | 2017-07-04 | 2018-08-17 | 南岳生物制药有限公司 | A kind of automatic blood, bag seperator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5709771B2 (en) * | 2012-01-12 | 2015-04-30 | 東洋自動機株式会社 | Product bag removal device |
| FR3014418B1 (en) * | 2013-12-10 | 2017-02-10 | Fabien Michel Alain Charreyre | DEVICE AND METHOD FOR OPENING CONTAINERS COMPRISING HETEROGENEOUS MATERIALS |
-
2018
- 2018-09-28 CN CN201811137867.6A patent/CN109178518B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1315853A (en) * | 1970-02-12 | 1973-05-02 | Tac Construction Materials Ltd | Machine for opening and emptying bags containing fibrous materials |
| CN103189019A (en) * | 2010-07-07 | 2013-07-03 | 赫罗伊斯医疗有限责任公司 | Vacuum cementation system |
| CN108408170A (en) * | 2017-07-04 | 2018-08-17 | 南岳生物制药有限公司 | A kind of automatic blood, bag seperator |
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| Publication number | Publication date |
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| CN109178518A (en) | 2019-01-11 |
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