CN114504013B - Vacuum sterile blood sampling recovery device - Google Patents
Vacuum sterile blood sampling recovery device Download PDFInfo
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- CN114504013B CN114504013B CN202210208271.0A CN202210208271A CN114504013B CN 114504013 B CN114504013 B CN 114504013B CN 202210208271 A CN202210208271 A CN 202210208271A CN 114504013 B CN114504013 B CN 114504013B
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- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22B—SLAUGHTERING
- A22B5/00—Accessories for use during or after slaughtering
- A22B5/04—Blood-collecting apparatus; Blood-stirring devices
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Abstract
The invention discloses a vacuum sterile blood collection and recovery device. The device is mainly formed by sequentially connecting a vacuum blood sampling knife, a vacuum valve and a closed rotary distribution joint in series through flexible hoses; the lower end of the closed rotary distribution joint is provided with a hollow tube outlet, the hollow tube outlet is connected with one end of a vacuum pipeline, the other end of the vacuum pipeline is connected with a vacuum pump, a blood container is arranged below the vacuum pipeline, and the lowest part of the vacuum pipeline is communicated with the blood container; the vacuum blood sampling knife is inserted into the body of an animal for blood sampling, blood is directly pumped into the closed rotary distribution joint by the vacuum pump, flows into the vacuum pipeline through the closed rotary distribution joint in a gathering way, and falls into the blood container for collection when flowing through the lowest part of the vacuum pipeline. The invention can successfully and effectively collect blood, solves the problems that the blood is easy to coagulate in the blood collecting process and the blood is blocked and polluted during vacuum suction, and greatly improves the collecting efficiency and quality.
Description
Technical Field
The invention relates to a vacuum sterile blood sampling recovery device, in particular to a vacuum sterile blood sampling recovery device for slaughterhouses of pigs, cows, sheep and the like.
Background
In the existing slaughterhouses for large-scale production of pigs, cattle and the like, because blood is difficult to recycle, the blood can only be subjected to harmless treatment and then is discharged to a sewage system, not only can the blood resources be utilized to the maximum extent, but also high pollution discharge cost needs to be paid for treating waste blood. The whole body of the blood is treasure, for example, the pig blood is red viscous liquid, the blood plasma content of the blood plasma is 55 percent, and the blood plasma contains a large amount of beneficial substances, wherein the blood plasma protein accounts for 6.7 to 7.5 percent and comprises fibrinogen, albumin, globulin and the like; the inorganic salt accounts for 0.75%, and contains NaCI and K + 、Ca +2 、Mg +2 Phospholipid, cholesterol and other lipid substances account for 0.7 percent, and various organic substances such as glucose, urea, uric acid, creatine and the like are compounded; meanwhile, the red blood cells in the pig blood not only have rich hemoglobin, but also have rich enzymes, and the pig blood red blood cells are a natural enzyme resource library. The pig blood has the function of clearing away the lung-heat and is delicious in taste; pig blood can also be used as a raw material of some medicines, for example, in the field of medicines, china completes a test for preparing a nitrosohemoglobin matching product from pig blood, and a nitrosohemoglobin production line is formed; such as in livestock feedThe application of the nutrient supplement, the heme, the superoxide dismutase (SOD), the amino acid nutrient solution and the like all achieve series of achievements, and partial products are produced industrially; and also plasma protein and blood cell protein prepared from pig blood. Therefore, the recovery value is huge. The difficulty of the present pig blood recovery is that no proper recovery device is available, the pig blood can be solidified in the air quickly and is easy to be polluted, so that the pig blood recovery device needs to be completely isolated from the air, and the pig blood recovery is ensured to be completed in a completely closed environment.
At present, no pig blood recovery device exists in China, and blood is recovered by adopting a vacuum blood collecting knife abroad, but the key technology is not disclosed yet. At present, manual operation is generally adopted at home, so that the efficiency is low and the pollution is serious.
Disclosure of Invention
In order to solve the problems of the background art, the present invention is directed to an automated, sterile, vacuum blood collection device that facilitates extended shelf life due to the absence of air contact.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
the invention is mainly formed by sequentially connecting a vacuum blood sampling knife, a vacuum valve and a closed rotary distribution joint in series through flexible hoses; the lower end of the closed rotary distribution joint is provided with a hollow tube outlet, the hollow tube outlet is connected with one end of a vacuum pipeline, the other end of the vacuum pipeline is connected with a vacuum pump, a blood container is arranged below the vacuum pipeline, and the lowest part of the vacuum pipeline is communicated with the blood container; the vacuum blood sampling knife is inserted into the body of an animal for blood sampling, blood is directly pumped into the closed rotary distribution joint by the vacuum pump, flows into the vacuum pipeline through the closed rotary distribution joint in a gathering way, and falls into the blood container for collection when flowing through the lowest part of the vacuum pipeline.
When the animal is an animal: when the blade of the vacuum blood sampling knife is inserted into the heart of the animal positioned in the pig transmission device, the vacuum valve is opened; when the blade of the vacuum blood sampling knife does not enter the body of the animal positioned in the pig transmission device, the vacuum valve is closed.
The closed rotary distribution joint comprises a motor, a driving wheel, a driving belt, a fixed hollow pipe, a distribution head rotating body and a distribution head inlet joint; the output shaft of the motor is synchronously connected with the driving wheel, the driving wheel is in transmission connection with the driven wheel belt through a transmission belt, the driven wheel is fixedly sleeved outside the distribution head rotating body, at least one distribution head inlet joint is circumferentially installed on the outer peripheral surface of the distribution head inlet joint at intervals, the distribution head rotating body is rotatably sleeved outside the fixed hollow pipe, a hollow inner cavity is arranged in the fixed hollow pipe, the lower end of the hollow inner cavity penetrates through the fixed hollow pipe to serve as an outlet of the fixed hollow pipe, and the outlet of the fixed hollow pipe is used for being connected with a vacuum pipeline; the fixed hollow pipe side wall positioned at the periphery of the hollow inner cavity is provided with a channel along the circumferential direction, the inner ends of the through holes in the distribution head inlet joint are communicated with the vacuum cavity through the channel, and the outer ends of the through holes in the distribution head inlet joint are communicated with the root of the blade of the vacuum blood sampling knife.
The distribution head rotating body is connected with the fixed hollow pipe in a sealing mode through an upper end O-shaped ring and a lower end O-shaped ring.
The vacuum blood sampling knife mainly comprises a conical knife set consisting of 3-6 blades, and each blade is welded or assembled into a whole.
The closed rotary distribution joint is provided with a plurality of distribution head inlet joints which are circumferentially arranged along a circumference arc, one distribution head inlet joint is correspondingly connected with one vacuum blood sampling knife through a flexible hose, one vacuum valve to form a collection pipe, a plurality of animals are also arranged on an arc-shaped track along the circumference arc circumference and are transported along the circumference arc, one collection pipe corresponds to one animal, and the vacuum blood sampling knife in the collection pipe is synchronously rotated with the animals at the same speed after being inserted into the animals.
A plurality of distribution head inlet connectors are respectively connected with a plurality of vacuum blood sampling knives and a plurality of vacuum valves in a one-to-one correspondence mode through a plurality of flexible hoses to form a plurality of collecting pipes, the plurality of vacuum blood sampling knives are circumferentially arranged along the circumference of a circumference arc, and the vacuum blood sampling knife of one collecting pipe and the corresponding animal are located in the same radial direction.
Each blade of the vacuum blood sampling knife is composed of three-flap sub-knives, the tips of the three-flap sub-knives are fixedly connected together to form a tip part as a knife tip part, the rear ends of the three-flap sub-knives are separated at intervals and are respectively positioned on three positions uniformly arranged on one circumference at intervals along the circumferential direction, and gaps are formed among the rear ends of the three-flap sub-knives.
Each blade of the vacuum blood-taking knife is completely inserted into the body of an animal and penetrates into the artery of the animal.
The device is used for collecting and collecting blood of isothermal animals such as pigs, cattle and sheep.
The device is not only limited to pig blood collection, but also suitable for blood collection of other animals such as cattle, sheep, chickens and the like.
The existing animal blood sampling device is not provided with a cutter corresponding to vacuum treatment generally, and the blood sampling efficiency of the invention can not be realized, blood can be solidified when exposed to air and meets oxygen, or the blood is easily sucked and blocked by meat parts in animals during vacuum suction, and the blood can not be successfully and effectively collected.
The blood collection device can successfully and effectively collect blood through the structure, solves the problems that the blood is easy to coagulate in the blood collection process and is blocked in the vacuum suction process.
The invention has the beneficial effects that:
1) The whole blood collection process is carried out in a vacuum oxygen-free environment, and is clean, sanitary and sterile.
2) The blood is collected mechanically and automatically, and the collection efficiency is greatly improved.
3) The slaughterhouse blood which cannot be utilized in a large scale can be recycled, the environmental pollution is reduced, and the resource utilization efficiency is increased.
Drawings
FIG. 1 is a side sectional view of a vacuum sterile blood collection and recovery device.
Fig. 2 is a top view of fig. 1.
Figure 3 is a cross-sectional view of a sealed rotary distribution joint.
FIG. 4 is an isometric view of a vacuum lancet.
FIG. 5 is a plan view of the vacuum lancet in the direction of the blade tip.
In the figure: 1. pig transmission device, 2, pig, 3, vacuum blood sampling knife, 4, vacuum valve, 5, flexible hose, 6, sealed rotary distribution joint, 7, blood transmission direction, 8, collected blood, 9, blood container, 10, vacuum pipeline, 11, vacuum pump, 12, second station, 13, sealed rotary distribution joint rotary direction, 14, first station, 15, pig advancing direction, 16, driving wheel, 17, motor, 18, driving belt, 19, distribution head inlet joint, 20, upper end O-shaped ring, 21, fixed hollow tube, 22, lower end O-shaped ring, 23, fixed hollow tube outlet, 24, vacuum cavity, 25, support bearing, 26, driven wheel, 27, distribution head rotary body, 28 and blade.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, the blood sampling device is mainly formed by sequentially connecting a vacuum blood sampling knife 3, a vacuum valve 4 and a closed rotary distribution joint 6 in series through a flexible hose 5; the lower end of the closed rotary distribution joint 6 is provided with a hollow tube outlet 23, the hollow tube outlet 23 is hermetically connected with one end of a vacuum pipeline 10, the other end of the vacuum pipeline 10 is connected with a vacuum pump 11, a blood container 9 is arranged below the vacuum pipeline 10, and the lowest part of the vacuum pipeline 10 is communicated with the blood container 9; the vacuum blood sampling knife 3 is inserted into the body of a warm-blooded animal for blood sampling, blood is directly pumped into the sealed rotary distribution joint 6 by the vacuum pump 11 under the condition of no coagulation, and flows into the vacuum pipeline 10 in a gathering way through the sealed rotary distribution joint 6, and falls into the blood container 9 for collection when flowing through the lowest part of the vacuum pipeline 10.
When the animals are pigs 2: when the blade tip part of the blade of the vacuum blood sampling knife 3 is inserted into the heart of the pig 2 positioned in the pig transmission device 1, the vacuum valve 4 is opened; when the knife tip part of the blade of the vacuum blood sampling knife 3 does not enter the body of the pig 2 positioned in the pig transmission device 1, the vacuum valve 4 is closed.
As shown in fig. 3, the closed rotary distribution joint 6 comprises a motor 17, a driving wheel 16, a transmission belt 18, a fixed hollow pipe 21, a distribution head rotating body 27 and a distribution head inlet joint 19; the output shaft of the motor 17 is synchronously connected with the driving wheel 16, the driving wheel 16 is in belt transmission connection with a driven wheel 26 through a transmission belt 18, the driven wheel 26 is fixedly sleeved outside a distributing head rotating body 27, and the distributing head rotating body 27 of the closed rotary distributing joint 6 is arranged on a supporting bearing 25.
The motor 17 drives the driving wheel 16, the driving wheel 16 drives the driven wheel 26 through the transmission belt 18, and the driven wheel 26 drives the distribution head rotating body 27 and the distribution head inlet connectors 19 uniformly installed on the distribution head rotating body 27 to rotate.
At least one distributing head inlet joint 19 is arranged on the peripheral surface of the distributing head inlet joint 19 along the circumferential direction at intervals, a distributing head rotating body 27 is rotatably sleeved outside the fixed hollow pipe 21, a hollow inner cavity is arranged in the fixed hollow pipe 21, the lower end of the hollow inner cavity penetrates through the fixed hollow pipe 21 to be used as a fixed hollow pipe outlet 23, and the fixed hollow pipe outlet 23 is used for being connected with the vacuum pipeline 10; the side wall of the fixed hollow tube 21 positioned at the periphery of the hollow inner cavity is provided with a channel along the circumferential direction, the inner ends of the through holes in the inlet joint 19 of the distributing head are communicated with the vacuum cavity 24 through the channel, and the outer ends of the through holes in the inlet joint 19 of the distributing head are communicated with the root part of the blade of the vacuum blood collecting knife 3.
The through hole in the inlet joint 19 of the distributing head is communicated with the corresponding through hole of the rotator 27 of the distributing head, and is communicated with the hollow cavity of the fixed hollow tube 21 to form a closed vacuum cavity 24, and the vacuum cavity 24 is communicated with a vacuum pump through a vacuum pipeline 10.
The distribution head rotating body 27 and the fixed hollow tube 21 are hermetically connected through the upper end O-ring 20 and the lower end O-ring 22, so that the distribution head rotating body 27 and the fixed hollow tube 21 can rotate in a relatively sealed manner.
As shown in fig. 2, the vacuum lancet 3 is mainly composed of 3-6 blades 28 to form a conical blade assembly, and each blade 28 is welded or assembled to form a fixed unit having a sharp blade tip and inserted into the heart of a pig during blood collection.
As shown in fig. 2, a plurality of distribution head inlet joints 19 arranged along the circumferential arc are arranged on the sealed rotary distribution joint 6, one distribution head inlet joint 19 on the sealed rotary distribution joint 6 is correspondingly connected with one vacuum blood sampling knife 3 through one flexible hose 5, one vacuum valve 4 and one collection tube, each vacuum blood sampling knife 3 is communicated with one port of the sealed rotary distribution joint 6 through one respective flexible hose 5, and the vacuum valve 4 is installed on each flexible hose 5. A plurality of pigs 2 are also arranged on an arc-shaped track along the circumferential arc circumference and are transported along the arc, one collection tube corresponds to one pig 2, and the vacuum blood collection knife 3 in the collection tube is driven by the motor 17 to be inserted into the pig 2 and then synchronously rotate at the same speed as the pig 2.
A plurality of distribution head inlet joints 19 are respectively connected with a plurality of vacuum blood sampling knives 3 and a plurality of vacuum valves 4 through a plurality of flexible hoses 5 in a one-to-one correspondence mode to form a plurality of collecting pipes, the plurality of vacuum blood sampling knives 3 are circumferentially arranged along a circumference arc, and the vacuum blood sampling knife 3 of one collecting pipe and the corresponding pig 2 are located in the same radial direction.
As shown in fig. 4 and 5, each blade of the vacuum lancet 3 is formed by a three-blade sub-lancet, the tips of the three-blade sub-lancet are fixedly connected together to form a tip portion, the rear ends of the three-blade sub-lancet are spaced apart and respectively located at three positions uniformly spaced along the circumferential direction on a circumference, and gaps for blood circulation are formed between the rear ends of the three-blade sub-lancet. And the back end of the three-petal sub-knife is continuously extended towards the back end, and the gap is gradually enlarged.
In specific implementation, the first station 14 is located at the inlet side of the circular arc-shaped track, the second station 12 is located at the outlet side of the circular arc-shaped track, the pig 2 is conveyed to the position of the first station 14 by the pig transmission device 1, the vacuum blood collection knife 3 pierces the heart position of the pig 2, the collection tube and the pig 2 synchronously rotate to the position of the second station 12, and the vacuum blood collection knife 3 is separated from the upper surface of the pig 2 after blood collection is completed. The blood collection process is completed by one pig 2 from entering the blood collection set to leaving the blood collection set.
The working principle of the invention is as follows:
after a pig positioned on the automatic conveying device is conveyed to the vacuum sterile blood sampling recovery device, when the pig enters a first station, the vacuum blood sampling knife enters the pig, when the conveying device and the vacuum blood sampling knife synchronously rotate to a second station, the vacuum blood sampling knife is pulled out, the duration time is the same as the bleeding time of a blood sampling animal, and the bleeding time can be adjusted according to different animal species.
Taking the embodiment as an example, 6 pigs can bleed at the same time, and the number of the pigs which take blood simultaneously can be increased or decreased according to the needs; collected pig blood is collected into a container through a vacuum tube, and the blood collected in a large scale can be recycled.
This device is not limited to the collection of pig blood, and the livestock that need gather blood such as ox, sheep, chicken all can be suitable for, as long as change the size of vacuum blood sampling sword for a short time, the conveyer of different animals reforms transform can. Any simple modification of the structure is within the scope of the present invention.
Claims (6)
1. The utility model provides a sterile blood sampling recovery unit in vacuum which characterized in that: mainly formed by sequentially connecting a vacuum blood sampling knife (3), a vacuum valve (4) and a closed rotary distribution joint (6) in series through a flexible hose (5); the lower end of the sealed rotary distribution joint (6) is provided with a hollow tube outlet (23), the hollow tube outlet (23) is connected with one end of a vacuum pipeline (10), the other end of the vacuum pipeline (10) is connected with a vacuum pump (11), a blood container (9) is arranged below the vacuum pipeline (10), and the lowest part of the vacuum pipeline (10) is communicated with the blood container (9); the vacuum blood sampling knife (3) is inserted into the body of an animal for blood sampling, blood is directly pumped into the closed rotary distribution joint (6) by the vacuum pump (11), flows into the vacuum pipeline (10) through the closed rotary distribution joint (6) in a gathering way, and falls into the blood container (9) for collection when flowing through the lowest part of the vacuum pipeline (10);
the closed rotary distribution joint (6) comprises a motor (17), a driving wheel (16), a transmission belt (18), a fixed hollow pipe (21), a distribution head rotating body (27) and a distribution head inlet joint (19); the output shaft of the motor (17) is synchronously connected with the driving wheel (16), the driving wheel (16) is in belt transmission connection with the driven wheel (26) through a transmission belt (18), the driven wheel (26) is fixedly sleeved outside a distribution head rotating body (27), at least one distribution head inlet joint (19) is installed on the outer peripheral surface of the distribution head inlet joint (19) at intervals along the circumferential direction, the distribution head rotating body (27) is rotatably sleeved outside a fixed hollow pipe (21), a hollow inner cavity is arranged in the fixed hollow pipe (21), the lower end of the hollow inner cavity penetrates through the fixed hollow pipe (21) to serve as a fixed hollow pipe outlet (23), and the fixed hollow pipe outlet (23) is used for being connected with a vacuum pipeline (10); a channel is arranged on the side wall of the fixed hollow tube (21) positioned on the periphery of the hollow inner cavity along the circumferential direction, the inner ends of the through holes in the inlet joint (19) of the distribution head are communicated with the vacuum cavity (24) through the channel, and the outer ends of the through holes in the inlet joint (19) of the distribution head are communicated with the root of the blade of the vacuum blood sampling knife (3);
a through hole in the distributing head inlet joint (19) is communicated with a through hole corresponding to the distributing head rotating body (27) and communicated with a hollow inner cavity of the fixed hollow pipe (21) to form a closed vacuum cavity (24), and the vacuum cavity (24) is communicated with a vacuum pump through a vacuum pipeline (10);
the closed rotary distribution joint (6) is provided with a plurality of distribution head inlet joints (19) which are circumferentially arranged along a circumferential arc, one distribution head inlet joint (19) is correspondingly connected with one vacuum blood sampling knife (3) through a flexible hose (5), one vacuum valve (4) to form a collection pipe, a plurality of animals are also circumferentially arranged on a circular arc track along the circumferential arc and are transported along the circular arc, one collection pipe corresponds to one animal, and the vacuum blood sampling knife (3) in the collection pipe is synchronously rotated with the animals at the same speed after being inserted into the animals;
a plurality of distribution head inlet connectors (19) are respectively connected with a plurality of vacuum blood sampling knives (3) and a plurality of vacuum valves (4) through a plurality of flexible hoses (5) in a one-to-one correspondence mode to form a plurality of collecting pipes, the plurality of vacuum blood sampling knives (3) are circumferentially arranged along a circumference arc, and the vacuum blood sampling knife (3) of one collecting pipe and the corresponding animal are located in the same radial direction.
2. The vacuum sterile blood collection and recovery device of claim 1, wherein:
when the animal is an animal: when the blade of the vacuum blood sampling knife (3) is inserted into the heart of the animal positioned in the pig transmission device (1), the vacuum valve (4) is opened; when the blade of the vacuum blood sampling knife (3) does not enter the body of the animal positioned in the pig transmission device (1), the vacuum valve (4) is closed.
3. The vacuum sterile blood collection and recovery device of claim 1, wherein:
the distribution head rotating body (27) is connected with the fixed hollow pipe (21) in a sealing mode through an upper end O-shaped ring (20) and a lower end O-shaped ring (22).
4. The vacuum sterile blood collection and recovery device of claim 1, wherein:
the vacuum blood sampling knife (3) mainly comprises a conical knife group consisting of 3-6 blades (28), and each blade (28) is welded or assembled into a whole.
5. The vacuum sterile blood collection and recovery device of claim 1, wherein:
each blade of the vacuum blood sampling knife (3) is composed of three-petal sub-knives, the tips of the three-petal sub-knives are fixedly connected together to form a tip part, the rear ends of the three-petal sub-knives are separated at intervals and are respectively positioned on three positions uniformly arranged on the circumference at intervals along the circumferential direction, and gaps are formed among the rear ends of the three-petal sub-knives.
6. Use of a vacuum sterile blood collection and recovery device according to any one of claims 1 to 5, wherein: the device is used for collecting and collecting blood of warm-blooded animals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210208271.0A CN114504013B (en) | 2022-03-04 | 2022-03-04 | Vacuum sterile blood sampling recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210208271.0A CN114504013B (en) | 2022-03-04 | 2022-03-04 | Vacuum sterile blood sampling recovery device |
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| CN114504013A CN114504013A (en) | 2022-05-17 |
| CN114504013B true CN114504013B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210208271.0A Active CN114504013B (en) | 2022-03-04 | 2022-03-04 | Vacuum sterile blood sampling recovery device |
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| CH510400A (en) * | 1969-07-21 | 1971-07-31 | Marti Erich | Device for bleeding animals for slaughter |
| FR2820951B1 (en) * | 2001-02-20 | 2004-06-11 | Bernard Sa | DEVICE AND METHOD FOR COLLECTING AND COLLECTING ANIMAL'S BLOOD |
| CN101156614B (en) * | 2007-11-05 | 2010-05-19 | 上海乐衍利科贸有限公司 | A dual rotating tool rest arrangement for slaughter hollow knife |
| CN201278777Y (en) * | 2008-10-17 | 2009-07-29 | 广州倍绣生物技术有限公司 | Butcher negative-pressure blood sampling device |
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| CN101461413B (en) * | 2008-12-31 | 2010-06-30 | 常熟市屠宰成套设备厂有限公司 | Vacuum blood sampling mechanism for slaughtering |
| CN102235561B (en) * | 2010-04-30 | 2013-07-31 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and rotary table using same |
| CN104565628B (en) * | 2013-10-18 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Swivel joint and use the rotary table of this swivel joint |
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| CN204132266U (en) * | 2014-08-29 | 2015-02-04 | 河北晓进机械制造股份有限公司 | Fully automatic vacuum blood sampling machine |
| CN205106186U (en) * | 2015-10-22 | 2016-03-30 | 南京钰 | Blood collecting device is used to slaughter animals |
| CN206708611U (en) * | 2017-02-23 | 2017-12-05 | 中山市鸿之远智能科技有限公司 | A kind of swivel joint |
| CN106691472A (en) * | 2017-02-27 | 2017-05-24 | 青岛市中心血站 | Vacuum blood sampling cutter |
| CN207428347U (en) * | 2017-11-29 | 2018-06-01 | 焦作康利达食品股份有限公司 | A kind of bloodletting conveying device slaughtered for live pig |
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| CN213044978U (en) * | 2020-08-14 | 2021-04-27 | 周晓娟 | Live pig heart machine of getting blood |
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- 2022-03-04 CN CN202210208271.0A patent/CN114504013B/en active Active
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