CN114110258A - Blood pipeline attitude control device and blood separator with same - Google Patents
Blood pipeline attitude control device and blood separator with same Download PDFInfo
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- CN114110258A CN114110258A CN202111400148.0A CN202111400148A CN114110258A CN 114110258 A CN114110258 A CN 114110258A CN 202111400148 A CN202111400148 A CN 202111400148A CN 114110258 A CN114110258 A CN 114110258A
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- arc
- blood
- shaped
- lock body
- rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/01—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3693—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging
- A61M1/3695—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits using separation based on different densities of components, e.g. centrifuging with sedimentation by gravity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0217—Separation of non-miscible liquids by centrifugal force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
Abstract
The invention discloses a blood pipeline posture control device which is arranged on a blood separator and used for limiting the position posture of a blood pipeline, and comprises a device shell, a control device and a control device, wherein the device shell is arranged on the blood separator; the coating sleeve is arranged in the device shell and used for coating and fixing the blood pipeline; the fixing device is arranged in the device shell and used for fixing the cladding sleeve and the blood pipeline; and a locking regulator arranged in the device shell and used for regulating the opening and closing of the fixing device. A blood separator also has at least a peristaltic pump for pumping the blood line; the peristaltic pump extrudes the hollow hose and the blood pipeline inserted in the hollow hose to pump blood.
Description
Technical Field
The application relates to the technical field of medical equipment, in particular to a blood pipeline posture control device and a blood separator with the same.
Background
A blood component separator is a medical instrument that separates, removes, and collects various blood components from a donor/patient by gravity centrifugation. The device consists of a centrifugal machine, a blood pump, a pressurizing cuff, a weighing assembly, a display screen, a control system and the like. The blood component separator comprises a host machine (a centrifuge, a blood pump, an anticoagulant pump, an air detector, a pressure monitor of a blood donor, a blood sensor, a weighing component, a control panel, a display screen, a control system and the like) and a pressurizing cuff and the like.
In the blood peristaltic pump device in the prior art, the semicircular baffle is simply arranged on the periphery of the peristaltic pump to limit the blood pipeline to avoid separating from the action range of the peristaltic pump, but the blood pipeline with the design still has irregular vibration in a small range, so that irregular pulse of blood in the blood pipeline is caused, and the possibility of separating from the action range of the peristaltic pump is still provided in severe cases. It is therefore desirable to design a device that can effectively control the position and attitude of the blood line.
Disclosure of Invention
The utility model provides a blood circuit attitude control device establishes on the blood separating centrifuge for restrain the position gesture of blood circuit, includes:
the device shell is arranged on the blood separator;
the coating sleeve is arranged in the device shell and used for coating and fixing the blood pipeline;
the fixing device is arranged in the device shell and used for fixing the cladding sleeve and the blood pipeline;
and a locking regulator arranged in the device shell and used for regulating the opening and closing of the fixing device.
As a further embodiment:
the device shell comprises a rectangular shell base body, a semicircular groove formed in the rear of the shell base body, an arc-shaped inner cavity arranged in the shell base body and concentric with the semicircular groove, and an adjusting circular cavity arranged in the right front of the arc-shaped inner cavity;
the coating sleeve comprises a hollow hose bent into a semicircular shape and sealing plugs uniformly distributed on the outer wall of the hollow hose in the circumferential direction;
the fixing device comprises negative pressure end heads which are distributed on the inner wall of the semicircular groove at equal intervals and an adjusting arc assembly for adjusting the opening and closing of the negative pressure end heads;
the negative pressure end comprises a radial jack arranged on the inner wall of the semicircular groove along the radial direction, an arc jack arranged at the far end of the radial jack and concentrically arranged with the semicircular groove, a communication jack arranged at the far end of the arc jack and communicated with the arc inner cavity, a sealing piston slidably arranged in the arc jack, an arc rack arranged at the upper half part of one side of the sealing piston close to the communication jack, a gear mandrel longitudinally arranged in the communication jack, an upper gear rotatably arranged at the upper half part of the gear mandrel and meshed with the arc rack, and a lower gear concentrically arranged below the upper gear;
the adjusting arc assembly comprises an arc-shaped inserting strip which can be slidably arranged in an arc-shaped inner cavity, an inner arc tooth surface which is formed on the arc-shaped rear side arc surface of the arc-shaped inserting strip and is meshed with a lower gear, a disc-shaped bevel gear which is formed on the upper end surface of the arc-shaped inserting strip, an external arc groove which is formed in the left front part of the arc-shaped inner cavity, an arc guide rail which is formed in the external arc groove, an arc-shaped strip pressure spring which is sleeved on the arc guide rail, and a spring retainer ring which is formed in the left front of the arc-shaped inserting strip and is sleeved on the arc guide rail, wherein the spring retainer ring is abutted against the left side of the arc-shaped strip pressure spring.
As a further embodiment:
the middle part of the adjusting circular cavity is also upwards provided with an upper opening;
the lock-up adjuster includes:
the bevel gear assembly comprises a limiting ring groove arranged at the lower edge of the adjusting circular cavity, a limiting ring rotatably arranged in the limiting ring groove, a driving bevel gear formed below the limiting ring, a rectangular slot arranged at the center of the driving bevel gear and a bevel gear pressure spring arranged in the rectangular slot;
the locking grooves are uniformly distributed on the upper end surface of the adjusting circular cavity in the circumferential direction;
the external lock body comprises a rectangular plug which can be inserted into the rectangular slot in a sliding mode, a narrow-diameter cylinder which is arranged at the upper end of the rectangular plug, a wide-diameter cylinder which is arranged at the upper end of the narrow-diameter cylinder, locking plugs which are circumferentially and uniformly distributed on the upper end face of the wide-diameter cylinder and correspond to the locking grooves one to one, and hand inserting ring grooves which are arranged on the outer wall of the wide-diameter cylinder.
As a further embodiment:
the lock-up adjuster further includes:
the pushing device comprises a central circular cavity formed in the narrow-diameter cylinder, radial through holes which are uniformly distributed on the lower half part of the central circular cavity in the circumferential direction, a central sliding rod which is slidably inserted in the central circular cavity, a driving conical head formed on the upper end of the central sliding rod, radial connecting rods which are uniformly distributed on the lower end of the central sliding rod in the circumferential direction and correspond to the radial through holes in a one-to-one inserting mode, and a pushing outer ring which is slidably arranged on the outer wall of the narrow-diameter cylinder and connected with the radial connecting rods;
the built-in lock body is provided with two lock bodies which are symmetrically distributed at two sides of the pushing device, the built-in lock body comprises a transmission cavity arranged at the side surface of the upper end of a central circular cavity, a communicating cavity communicated with the transmission cavity and the central circular cavity, a rack guide rail arranged at the bottom of the transmission cavity, a driving rack arranged on the rack guide rail in a sliding way, a driven inclined plane arranged at one end of the driving rack close to the central circular cavity and matched with a driving conical head, and a middle gear rotatably arranged in the transmission cavity and in transmission fit with the driving rack, the built-in lock body further comprises a transverse side hole transversely communicated with the transmission cavity, a driven rack arranged in the transverse side hole in a sliding way and meshed with the middle gear, and a lock body pressure spring arranged at the bottom of the transverse side hole and abutted to the driven rack.
As a further embodiment:
still including the resistance adjusting device, the resistance adjusting device is including establishing at the worm shaft hole in external arc groove the place ahead, establishing at the left runner left hole in worm shaft hole, runner left hole front end opening sets up, the resistance adjusting device still includes rotatable establish at the downthehole drive worm of worm shaft, establish in drive worm left side and rotatable establish at the downthehole drive runner of runner left, slidable cover establish arc sliding sleeve on the arc guide rail, shaping in arc sliding sleeve front end and with the driven worm wheel of drive worm meshing.
A blood separator is characterized in that:
at least a peristaltic pump to pump the blood line;
the peristaltic pump extrudes the hollow hose and the blood pipeline inserted in the hollow hose to pump blood.
Has the advantages that:
the present case a blood pipeline attitude control device, set up the cladding sleeve pipe for blood pipeline cover in advance, then adsorb fixedly to the cladding sleeve pipe through fixing device, and then restrict the attitude of blood pipeline:
the driving bevel gear drives the disc-shaped bevel gear, the arc-shaped inserting strips, the inner arc tooth surfaces and the spring retainer rings to overcome the damping of the arc-shaped strip pressure springs and rotate along the arc-shaped guide rails, the inner arc tooth surfaces drive the lower gears and the upper gears to rotate, so that the arc-shaped racks and the sealing pistons are driven to slide in the arc-shaped inserting holes, the air pressure in the arc-shaped inserting holes and the radial inserting holes is reduced, and the sealing plugs are firmly adsorbed in the radial inserting holes.
The present case a blood pipeline attitude control device, the locking regulator has dual locking function, avoids non-staff's maloperation:
firstly, the built-in lock body is locked in a normal state, and a user is required to push up the push outer ring for unlocking:
then, the external lock body is locked in a normal state, and a user needs to pull the external lock body backwards to overcome the elasticity of the bevel gear pressure spring to move backwards to unlock on the premise that the pushing outer ring is kept to be abutted against the wide-diameter cylinder.
The present case a blood pipeline attitude control device, can also adjust and rotate damping during the locking regulator optimizes the user and operates and feel:
the rotating driving rotating wheel is exposed at the front part of the left hole of the rotating wheel, so that the driving worm is driven to rotate; the driven worm wheel and the arc-shaped sliding sleeve are driven to rotate on the arc-shaped guide rail; and then adjusting the compression amount and the elasticity of the arc bar pressure spring in a normal state, adjusting the damping of the arc adjusting assembly rotating along the arc guide rail, and finally adjusting the damping when the outer ring and the external lock body are pushed by rotation.
Description of the drawings:
in order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a top view of one embodiment of the control device.
FIG. 2 is a cross-sectional view of one embodiment of the control device.
Fig. 3 is a cross-sectional view of another embodiment of the control device.
Fig. 4 is a schematic rotation diagram of the control device of fig. 1.
Fig. 5 is an enlarged schematic view of a portion a of fig. 2.
Fig. 6 is an enlarged schematic view of a portion B in fig. 4.
Figure 7 is a cross-sectional view of one embodiment of an external lock body.
Figure 8 is a cross-sectional view of another embodiment of an externally positioned lock body.
FIG. 9 is a cross-sectional view of one embodiment of the device housing.
FIG. 10 is a cross-sectional view of one embodiment of a covered cannula.
Icon:
a. a blood line, b. a peristaltic pump;
1. the device comprises a device shell, 11, a shell base body, 12, a semicircular groove, 13, an arc-shaped inner cavity, 14, an adjusting circular cavity and 14a top opening;
2. a coating sleeve, 21, a hollow hose, 22, a sealing plug;
3. a fixing device;
31. the device comprises a negative pressure end, a radial insertion hole 31a, an arc insertion hole 31b, a communication insertion hole 31c, a sealing piston 31d, an arc rack 31e, a gear mandrel 31f, an upper gear 31g and a lower gear 31 h;
32. the adjusting arc assembly comprises an arc-shaped inserting strip 32a, an inner arc tooth surface 32b, a disc-shaped bevel gear 32c, an outer arc groove 32d, an arc-shaped guide rail 32e, an arc-shaped strip pressure spring 32f and a spring retainer 32 g;
4. a lock-up adjuster;
41. a bevel gear assembly, 41a, a limit ring groove, 41b, a limit ring, 41c, a drive bevel gear, 41d, a rectangular slot and 41e, a bevel gear pressure spring;
42. a locking groove;
43. the lock comprises an external lock body, 43a, a rectangular plug, 43b, a narrow-diameter cylinder, 43c, a wide-diameter cylinder, 43d, a locking plug and 43e, a hand inserting ring groove;
44. the device comprises a pushing device, a central circular cavity, a radial through hole, a central sliding rod, a driving conical head, a radial connecting rod and a pushing outer ring, wherein the pushing device is 44a, the radial through hole is 44b, the central sliding rod is 44c, the driving conical head is 44d, and the pushing outer ring is 44 e;
45. the lock comprises an internal lock body, a transmission chamber 45a, a communication chamber 45b, a rack guide rail 45c, a driving rack 45d, a driven inclined plane 45e, a middle gear 45f, a transverse side hole 45g, a driven rack 45h and a lock body pressure spring 45 i;
5. the resistance adjusting device comprises a resistance adjusting device, 51 a worm shaft hole, 52 a rotating wheel left hole, 53 a driving worm, 54 a driving rotating wheel, 55 an arc-shaped sliding sleeve and 56 a driven worm wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
The utility model provides a blood circuit attitude control device establishes on the blood separating centrifuge for restrain the position gesture of blood circuit, includes:
a device housing 1 provided on the blood separator;
a covering sleeve 2 arranged in the device shell 1 and used for covering and fixing the blood pipeline a;
a fixing device 3 arranged in the device shell 1 and used for fixing the cladding sleeve 2 and the blood pipeline a;
and a lock adjuster 4 provided in the device case 1 to adjust opening and closing of the fixing device 3.
As a further embodiment:
the device shell 1 comprises a rectangular shell base body 11, a semicircular groove 12 formed in the rear of the shell base body 11, an arc-shaped inner cavity 13 arranged in the shell base body 11 and concentric with the semicircular groove 12, and an adjusting circular cavity 14 arranged in the right front of the arc-shaped inner cavity;
the coating sleeve 2 comprises a hollow hose 21 bent into a semicircular shape and sealing plugs 22 uniformly distributed on the outer wall of the hollow hose 21 in the circumferential direction;
the fixing device 3 comprises negative pressure end heads 31 which are distributed on the inner wall of the semicircular groove 12 at equal intervals and an adjusting arc assembly 32 for adjusting the opening and closing of the negative pressure end heads 31;
the negative pressure end 31 comprises a radial insertion hole 31a arranged on the inner wall of the semicircular groove 12 along the radial direction, an arc insertion hole 31b arranged at the far end of the radial insertion hole 31a and concentrically arranged with the semicircular groove 12, a communication insertion hole 31c arranged at the far end of the arc insertion hole 31b and communicated with the arc inner cavity 13, a sealing piston 31d slidably arranged in the arc insertion hole 31b, an arc rack 31e arranged at the upper half part of one side, close to the communication insertion hole 31c, of the sealing piston 31d, a gear spindle 31f longitudinally arranged in the communication insertion hole 31c, an upper gear 31g rotatably arranged at the upper half part of the gear spindle 31f and meshed with the arc rack 31e, and a lower gear 31h concentrically arranged below the upper gear 31 g;
the adjusting arc assembly 32 comprises an arc-shaped inserting strip 32a which is slidably arranged in the arc-shaped inner cavity 13, an inner arc tooth surface 32b which is formed on an arc surface at the rear side of the arc-shaped inserting strip 32a and is meshed with the lower gear 31h, a disc-shaped bevel gear 32c which is formed on the upper end surface of the arc-shaped inserting strip 32a, an external arc groove 32d which is arranged at the left front part of the arc-shaped inner cavity 13, an arc-shaped guide rail 32e which is formed in the external arc groove 32d, an arc-shaped strip pressure spring 32f which is sleeved on the arc-shaped guide rail 32e, and a spring retainer 32g which is formed in the left front of the arc-shaped inserting strip 32a and is sleeved on the arc-shaped guide rail 32e, wherein the spring retainer 32g is abutted against the left side of the arc-shaped strip pressure spring 32f.
Thanks to the improved technical scheme, the fixing assembly 3 can fix the sealing end 22 by negative pressure adsorption, and further fix the postures of the hollow hose 21 and the blood pipeline a.
The lock-up adjuster 4 includes:
the bevel gear assembly 41 comprises a limiting ring groove 41a arranged at the lower edge of the adjusting circular cavity 14, a limiting ring 41b rotatably arranged in the limiting ring groove 41a, a driving bevel gear 41c formed below the limiting ring 41b, a rectangular slot 41d arranged at the center of the driving bevel gear 41c, and a bevel gear pressure spring 41e arranged in the rectangular slot 41 d;
the locking grooves 42 are uniformly distributed on the upper end surface of the adjusting circular cavity 14 in the circumferential direction;
the external lock body 43 includes a rectangular plug 43a slidably inserted into the rectangular slot 41d, a narrow-diameter cylinder 43b disposed at an upper end of the rectangular plug 43a, a wide-diameter cylinder 43c disposed at an upper end of the narrow-diameter cylinder 43b, locking plugs 43d circumferentially and uniformly distributed on an upper end surface of the wide-diameter cylinder 43c and corresponding to the locking grooves 42 one by one, and a hand-inserting ring groove 43e disposed on an outer wall of the wide-diameter cylinder 43c.
As a further embodiment:
the lock-up adjuster 4 further includes:
the pushing device 44 comprises a central circular cavity 44a formed in the narrow-diameter cylinder 43b, radial through holes 44b uniformly distributed on the lower half part of the central circular cavity 44a in the circumferential direction, a central slide rod 44c slidably inserted in the central circular cavity 44a, a driving conical head 44d formed on the upper end of the central slide rod 44c, radial connecting rods 44e uniformly distributed on the lower end of the central slide rod 44c in the circumferential direction and in one-to-one insertion corresponding to the radial through holes 44b, and a pushing outer ring 44f slidably arranged on the outer wall of the narrow-diameter cylinder 43b and connected with the radial connecting rods 44 e;
two built-in lock bodies 45 are arranged, the two built-in lock bodies 45 are symmetrically distributed at two sides of the pushing device 44, the built-in lock body 45 comprises a transmission chamber 45a arranged on the side surface of the upper end of the central circular cavity 44a, a communication chamber 45b communicated with the transmission chamber 45a and the central circular cavity 44a, a rack guide rail 45c arranged on the lower bottom of the transmission chamber 45a, a driving rack 45d arranged on the rack guide rail 45c in a sliding way, a driven inclined plane 45e arranged at one end, close to the central circular cavity 44a, of the driving rack 45d and matched with the driving conical head 44d, and an intermediate gear 45f arranged in the transmission chamber 45a in a rotating way and matched with the driving rack 45d in a transmission way, the built-in lock body 45 further comprises a transverse side hole 45g which is transversely communicated with and arranged above the transmission chamber 45a, a driven rack 45h which is arranged in the transverse side hole 45g in a sliding mode and meshed with the intermediate gear 45f, and a lock body pressure spring 45i which is arranged at the hole bottom of the transverse side hole 45g and is abutted to the driven rack 45h.
As a further embodiment:
the middle part of the adjusting circular cavity 14 is also upwards provided with an upper opening 14 a;
thanks to the above-mentioned improved solution, the user can operate the push outer ring 44f and the hand-insertion ring groove 43e of the locking adjuster 4 through the upper opening 14a.
As a further embodiment:
still include resistance adjusting device 5, resistance adjusting device 5 is including establishing the worm shaft hole 51 in external arc groove 32d the place ahead, establishing at the left runner left hole 52 of worm shaft hole 51, runner left hole 52 front end opening sets up, resistance adjusting device 5 still includes rotatable drive worm 53 of establishing in worm shaft hole 51, establishes drive worm 53 left side and rotatable drive runner 54, the slidable cover of establishing in runner left hole 52 and establishes arc sliding sleeve 55 on arc guide rail 32e, shaping in arc sliding sleeve 55 front end and with the driven worm wheel 56 of drive worm 53 meshing.
As a further embodiment, the front end of the driving wheel 54 is exposed at the front end surface of the device housing 1 for the user to rotate.
As a further embodiment, the outer circumferential wall of the driving wheel 54 is circumferentially and uniformly provided with anti-slip stripes.
A blood separator is characterized in that:
at least a peristaltic pump b to pump the blood line a;
the peristaltic pump b extrudes the hollow hose 31 and the blood pipeline a inserted in the hollow hose 31 to pump blood.
A method for controlling the posture of a blood pipeline by a blood pipeline posture control device comprises the following steps:
step 1, sleeving a blood pipeline a:
passing the blood line a through the hollow hose 21;
inserting the sealing plug 22 into the corresponding radial insertion hole 31 a;
step 2.1, unlocking the built-in lock body 45:
a finger m is used to pass through the upper opening 14a and abut against the lower rear side of the push outer ring 44 f;
pushing the pushing outer ring 44f upward and forward to make it move upward relative to the external lock 43 until it abuts against the rear of the wide-diameter cylinder 43 c;
the pushing outer ring 44f, the radial connecting rod 44e, the central sliding rod 44c and the driving conical head 44d move upwards and forwards;
the driving conical head 44d drives the driven inclined plane 45e and the driving rack 45d to move outwards, and drives the driven rack 45h to overcome the damping of the lock body pressure spring 45i to move inwards through the intermediate gear 45 f;
the outer end of the driven rack 45h is separated from the inner wall of the adjusting circular cavity 14, so that the rotational freedom degree of the built-in lock body 45 is unlocked;
step 2.2, unlocking the external lock body 43:
inserting another finger n into the hand-inserting ring groove 43 e;
on the premise of keeping the pushing outer ring 44f abutting against the wide-diameter cylinder 43c, the external lock body 43 is pulled backwards to move backwards by overcoming the elasticity of the bevel gear pressure spring 41 e;
the locking plug 43d is separated from the locking groove 42, so that the rotational freedom degree of the external lock body 43 is unlocked;
the pushing outer ring 44f is rotated to drive the external lock body 43 to rotate;
the rectangular plug 43a rotates to drive the rectangular slot 41d and the driving bevel gear 41c to rotate;
step 3, fixing the fixing device 3:
the driving bevel gear 41c drives the disc-shaped bevel gear 32c, the arc-shaped cutting slips 32a, the inner arc tooth surface 32b and the spring retainer 32g to overcome the damping of the arc-shaped compression spring 32f and rotate along the arc-shaped guide rail 32 e;
the inner arc tooth surface 32b drives the lower gear 31h and the upper gear 31g to rotate, and further drives the arc-shaped rack 31e and the sealing piston 31d to slide in the arc-shaped insertion hole 31 b;
the air pressure in the arc-shaped insertion hole 31b and the radial insertion hole 31a is reduced, and the sealing plug 22 is firmly adsorbed in the radial insertion hole 31 a;
and 4, locking and resetting:
pushing up the external lock body 43, so that the locking plug 43d is locked in contact with the locking groove 42;
and releasing the hand pushing the pushing outer ring 44f upwards, pushing the driven rack 45h to move outwards by the lock body pressure spring 45i so as to be in contact with the inner wall of the adjusting circular cavity 14 for locking, and meanwhile, driving the driven rack 45d and the driven inclined plane 45e to move inwards by the driven rack 45h through the middle gear 45f so as to drive the driving conical head 44d, the central sliding rod 44c, the radial connecting rod 44e and the pushing outer ring 44f to reset downwards.
As a further embodiment:
further comprising step 4, adjusting damping:
the rotating driving wheel 54 is exposed at the front part of the wheel left hole 52, and then the driving worm 53 is driven to rotate;
thereby driving the driven worm gear 56 and the arc-shaped sliding sleeve 55 to rotate on the arc-shaped guide rail 32 e;
further, the compression amount and the elasticity of the arc bar compression spring 32f in a normal state are adjusted, the damping of the arc adjustment assembly 32 rotating along the arc-shaped guide rail 32e is adjusted, and finally the damping when the outer ring 44f and the external lock body 43 are rotationally pushed is adjusted.
The sealing plug 22 is in sealing engagement with the radial insertion hole 31a.
The sealing plug 22 is in interference fit with the radial insertion hole 31a.
As a further technical scheme, a dovetail groove is formed below the driving rack 45d, and the cross section of the rack guide rail 45c is in plug fit with the dovetail groove, so that the driving rack 45d can be ensured to stably slide on the rack guide rail 45c without slipping.
As a further implementation scheme, rack side holes arranged along the axial direction are uniformly distributed on the inner wall of the adjusting circular cavity 14 corresponding to the driven rack 45h in the circumferential direction.
Thanks to the above improved scheme, in a normal state, the driven rack 45h extends outwards in a radial direction under the action of the lock body pressure spring 45i, and then is in plug-in fit with the adjusting circular cavity 14, so that the rotational freedom degrees of the external lock body 43, the pushing device 44 and the internal lock body 45 are limited.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a blood pipeline attitude control device establishes on the blood separating centrifuge for restrain the position gesture of blood pipeline, its characterized in that: the method comprises the following steps:
a device housing (1) provided on the blood separator;
a covering sleeve (2) arranged in the device shell (1) and used for covering and fixing the blood pipeline (a);
a fixing device (3) arranged in the device shell (1) and used for fixing the cladding sleeve (2) and the blood pipeline (a);
and a lock adjuster (4) provided in the device case (1) for adjusting the opening and closing of the fixing device (3).
2. The blood circuit attitude control device according to claim 1, wherein:
the device shell (1) comprises a rectangular shell base body (11), a semicircular groove (12) formed in the rear of the shell base body (11), an arc-shaped inner cavity (13) arranged in the shell base body (11) and concentric with the semicircular groove (12), and an adjusting circular cavity (14) arranged in the right front of the arc-shaped inner cavity;
the coating sleeve (2) comprises a hollow hose (21) bent into a semicircular shape and sealing plugs (22) uniformly distributed on the outer wall of the hollow hose (21) in the circumferential direction;
the fixing device (3) comprises negative pressure end heads (31) which are distributed on the inner wall of the semicircular groove (12) at equal intervals and an adjusting arc assembly (32) for adjusting the opening and closing of the negative pressure end heads (31);
the negative pressure end (31) comprises a radial jack (31a) arranged on the inner wall of the semicircular groove (12) along the radial direction, an arc jack (31b) arranged at the far end of the radial jack (31a) and concentrically arranged with the semicircular groove (12), and a communication jack (31c) arranged at the far end of the arc jack (31b) and communicated with the arc inner cavity (13), the sealing device also comprises a sealing piston (31d) which is arranged in the arc-shaped insertion hole (31b) in a sliding manner, an arc-shaped rack (31e) which is arranged on the upper half part of one side of the sealing piston (31d) close to the communication insertion hole (31c), a gear mandrel (31f) which is arranged in the communication insertion hole (31c) along the longitudinal direction, an upper gear (31g) which is rotatably arranged on the upper half part of the gear mandrel (31f) and is meshed with the arc-shaped rack (31e), and a lower gear (31h) which is concentrically arranged below the upper gear (31 g);
the adjusting arc assembly (32) comprises an arc-shaped inserting strip (32a) which can be slidably arranged in an arc-shaped inner cavity (13), an inner arc tooth surface (32b) which is formed on an arc surface at the rear side of the arc-shaped inserting strip (32a) and is meshed with a lower gear (31h), a disc-shaped bevel gear (32c) which is formed on the upper end surface of the arc-shaped inserting strip (32a), an external arc groove (32d) which is formed in the left front part of the arc-shaped inner cavity (13), an arc guide rail (32e) which is formed in the external arc groove (32d), an arc-shaped strip pressure spring (32f) which is sleeved on the arc guide rail (32e), and a spring retainer ring (32g) which is formed in the left front part of the arc-shaped inserting strip (32a) and is sleeved on the arc guide rail (32e), wherein the spring retainer ring (32g) is abutted against the left side of the arc-shaped strip pressure spring (32 f).
3. A blood circuit attitude control device according to claim 2, characterized in that:
the middle part of the adjusting circular cavity (14) is also upwards provided with an upper opening (14 a);
the lock-up adjuster (4) includes:
the bevel gear assembly (41) comprises a limiting ring groove (41a) arranged at the lower edge of the adjusting circular cavity (14), a limiting ring (41b) rotatably arranged in the limiting ring groove (41a), a driving bevel gear (41c) formed below the limiting ring (41b), a rectangular slot (41d) arranged at the center of the driving bevel gear (41c), and a bevel gear pressure spring (41e) arranged in the rectangular slot (41 d);
the locking grooves (42) are uniformly distributed on the upper end surface of the adjusting circular cavity (14) in the circumferential direction;
the external lock body (43) comprises a rectangular plug (43a) which is slidably inserted into the rectangular slot (41d), a narrow-diameter cylinder (43b) which is arranged at the upper end of the rectangular plug (43a), a wide-diameter cylinder (43c) which is arranged at the upper end of the narrow-diameter cylinder (43b), locking plugs (43d) which are circumferentially and uniformly distributed on the upper end surface of the wide-diameter cylinder (43c) and correspond to the locking grooves (42) one by one, and an inserting hand ring groove (43e) which is arranged on the outer wall of the wide-diameter cylinder (43 c).
4. A blood circuit attitude control device according to claim 3, characterized in that:
the lock-up regulator (4) further comprises:
the pushing device (44) comprises a central circular cavity (44a) formed in a narrow-diameter cylinder (43b), radial through holes (44b) uniformly distributed in the lower half part of the central circular cavity (44a) in the circumferential direction, a central sliding rod (44c) slidably inserted in the central circular cavity (44a), a driving conical head (44d) formed at the upper end of the central sliding rod (44c), radial connecting rods (44e) uniformly distributed in the circumferential direction at the lower end of the central sliding rod (44c) and in one-to-one inserting connection with the radial through holes (44b), and a pushing outer ring (44f) slidably arranged on the outer wall of the narrow-diameter cylinder (43b) and connected with the radial connecting rods (44 e);
the built-in lock body (45) is provided with two built-in lock bodies (45), the two built-in lock bodies (45) are symmetrically distributed on two sides of the pushing device (44), each built-in lock body (45) comprises a transmission cavity (45a) arranged on the side surface of the upper end of the central circular cavity (44a), a communication cavity (45b) communicated with the transmission cavity (45a) and the central circular cavity (44a), a rack guide rail (45c) arranged at the lower bottom of the transmission cavity (45a), a driving rack (45d) arranged on the rack guide rail (45c) in a sliding mode, a driven inclined surface (45e) arranged at one end, close to the central circular cavity (44a), of the driving rack (45d) and matched with the driving conical head (44d), and a middle gear (45f) rotatably arranged in the transmission cavity (45a) and matched with the driving rack (45d) in a transmission mode, and the built-in lock body (45) further comprises a transverse side hole (45g) transversely communicated with the upper portion of the transmission cavity (45a), A driven rack (45h) which is arranged in the transverse side hole (45g) in a sliding way and is meshed with the intermediate gear (45f), and a lock body pressure spring (45i) which is arranged at the bottom of the transverse side hole (45g) and is abutted against the driven rack (45 h).
5. The blood circuit attitude control device according to claim 4, wherein:
still including adjusting and hinder device (5), adjust and hinder device (5) including establishing worm shaft hole (51) in external arc groove (32d) the place ahead, establishing at left runner left hole (52) in worm shaft hole (51), runner left hole (52) front end opening sets up, adjust and hinder device (5) still include rotatable drive worm (53) of establishing in worm shaft hole (51), establish drive worm (53) left side and rotatable drive runner (54) of establishing in runner left hole (52), arc sliding sleeve (55) on arc guide rail (32e) are established to slidable cover, shaping in arc sliding sleeve (55) front end and with driven worm wheel (56) of drive worm (53) meshing.
6. A blood separator having a blood line attitude control device according to claim 4, characterized in that:
also at least a peristaltic pump (b) to pump the blood line (a);
the peristaltic pump (b) extrudes the hollow hose (31) and the blood pipeline (a) inserted in the hollow hose (31) to pump blood.
7. A method for controlling a pumping posture of a blood line of a hemo-separator using the blood line posture control device according to claim 5, characterized in that:
step 1, sleeving a blood pipeline (a):
passing a blood line (a) through the hollow hose (21);
inserting the sealing plug (22) into the corresponding radial insertion hole (31 a);
step 2, unlocking the locking regulator (4):
step 2.1, unlocking the built-in lock body (45):
using a finger (m) to pass through the overhead opening (14a) and abut against the underside and rear of the push outer ring (44 f);
pushing the pushing outer ring (44f) upwards and forwards to enable the pushing outer ring to move upwards relative to the external lock body (43) until the pushing outer ring abuts against the rear of the wide-diameter cylinder (43 c);
the pushing outer ring (44f), the radial connecting rod (44e), the central sliding rod (44c) and the driving conical head (44d) move upwards and forwards;
the driving conical head (44d) drives the driven inclined plane (45e) and the driving rack (45d) to move outwards, and drives the driven rack (45h) to move inwards by overcoming the damping of the lock body pressure spring (45i) through the middle gear (45 f);
the outer end of the driven rack (45h) is separated from the inner wall of the adjusting circular cavity (14) to further unlock the rotational freedom degree of the built-in lock body (45);
step 2.2, unlocking the external lock body (43):
inserting another finger (n) into the hand-inserting ring groove (43 e);
on the premise of keeping the pushing outer ring (44f) to be abutted against the wide-diameter cylinder (43c), the external lock body (43) is pulled backwards to move backwards by overcoming the elasticity of the bevel gear pressure spring (41 e);
the locking plug (43d) is separated from the locking groove (42) to further unlock the rotational freedom degree of the external lock body (43);
the pushing outer ring (44f) is rotated to drive the external lock body (43) to rotate;
the rectangular plug (43a) rotates to drive the rectangular slot (41d) and the drive bevel gear (41c) to rotate;
step 3, fixing the fixing device (3):
the driving bevel gear (41c) drives the disc-shaped bevel gear (32c), the arc-shaped inserting strips (32a), the inner arc tooth surfaces (32b) and the spring retainer rings (32g) to rotate along the arc-shaped guide rails (32e) by overcoming the damping of the arc-shaped compression springs (32 f);
the inner arc tooth surface (32b) drives the lower gear (31h) and the upper gear (31g) to rotate, and further drives the arc-shaped rack (31e) and the sealing piston (31d) to slide in the arc-shaped insertion hole (31 b);
the air pressure in the arc-shaped insertion hole (31b) and the radial insertion hole (31a) is reduced, and the sealing plug (22) is firmly adsorbed in the radial insertion hole (31 a);
and 4, locking and resetting:
pushing up the external lock body (43) to enable the locking plug (43d) to be in contact with the locking groove (42) for locking;
the hand pushing the outer ring (44f) upwards is released, the lock body pressure spring (45i) pushes the driven rack (45h) to move outwards to be in contact with the inner wall of the adjusting circular cavity (14) for locking, meanwhile, the driven rack (45h) drives the driving rack (45d) and the driven inclined plane (45e) to move inwards through the middle gear (45f), and then drives the driving conical head (44d), the central sliding rod (44c), the radial connecting rod (44e) and the outer ring (44f) to reset downwards.
8. The method of claim 7, wherein the method further comprises:
further comprising step 4, adjusting damping:
the rotary driving rotating wheel (54) is exposed at the front part of the left hole (52) of the rotating wheel, and then the driving worm (53) is driven to rotate;
further driving the driven worm wheel (56) and the arc sliding sleeve (55) to rotate on the arc guide rail (32 e);
and then the compression amount and the elasticity of the arc strip pressure spring (32f) in a normal state are adjusted, the damping of the arc adjusting assembly (32) rotating along the arc guide rail (32e) is adjusted, and the damping when the outer ring (44f) and the external lock body (43) are pushed in a rotating mode is finally adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111400148.0A CN114110258B (en) | 2021-11-19 | 2021-11-19 | Blood pipeline attitude control device and blood separator with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111400148.0A CN114110258B (en) | 2021-11-19 | 2021-11-19 | Blood pipeline attitude control device and blood separator with same |
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| CN114110258A true CN114110258A (en) | 2022-03-01 |
| CN114110258B CN114110258B (en) | 2023-03-31 |
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Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845299A (en) * | 1957-02-15 | 1960-08-17 | John Vinton Bouyoucos | Acoustic-vibration generator |
| US5769385A (en) * | 1996-01-31 | 1998-06-23 | Medtronic Electromedics, Inc. | Tubing clamps for blood separating apparatus |
| JP2000080980A (en) * | 1998-09-07 | 2000-03-21 | Nippon Pillar Packing Co Ltd | Pump equipped with pulsation reducing device |
| US20060014999A1 (en) * | 2004-07-19 | 2006-01-19 | Heilman Marlin S | Devices, systems and methods for assisting blood flow |
| US20090032650A1 (en) * | 2007-07-06 | 2009-02-05 | Kabushiki Kaisha Toshiba | Device and method for fixing a reactor metering pipe |
| CN103857923A (en) * | 2011-03-10 | 2014-06-11 | 韩国气压系统有限公司 | Quick-release vacuum pump |
| US20160051740A1 (en) * | 2014-08-21 | 2016-02-25 | Fenwal, Inc. | Magnet-Based Systems And Methods For Transferring Fluid |
| CN205297904U (en) * | 2016-01-13 | 2016-06-08 | 台州信溢农业机械有限公司 | Diaphragm type voltage regulator device |
| CN106421945A (en) * | 2016-08-31 | 2017-02-22 | 山东中保康医疗器具有限公司 | Full-automatic blood cell separation machine system |
| CN106907543A (en) * | 2017-04-19 | 2017-06-30 | 武汉理工大学 | A kind of press and open holes closure shunting equipment |
| CN107269504A (en) * | 2017-08-16 | 2017-10-20 | 保定准择恒流泵制造有限公司 | Peristaltic pump flow rate adjusting method and the peristaltic pump based on this method |
| US20180149152A1 (en) * | 2016-11-29 | 2018-05-31 | Takasago Electric, Inc. | Peristaltic pump device |
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
| CN108679033A (en) * | 2018-06-05 | 2018-10-19 | 宣城市飞诚环保科技有限公司 | A kind of pneumatic control components |
| CN208138694U (en) * | 2018-04-10 | 2018-11-23 | 郑州市轨道交通有限公司 | A kind of pipe leakage fast plugging device |
| CN209701669U (en) * | 2019-01-08 | 2019-11-29 | 山东马克智能科技有限公司 | It is a kind of to enter pad machine automatically |
| CN209781181U (en) * | 2019-03-15 | 2019-12-13 | 重庆金山医疗器械有限公司 | Peristaltic pump head capable of instantly releasing pressure |
| CN110787338A (en) * | 2019-11-15 | 2020-02-14 | 开化含硕医疗器械有限公司 | Anesthetic injection device for operation |
| CN111503413A (en) * | 2020-04-25 | 2020-08-07 | 南京奥新可工程科技有限公司 | Pipeline fixing device for sewage treatment |
| CN212250414U (en) * | 2020-04-22 | 2020-12-29 | 王典 | Diaphragm seal pump with diaphragm breathing seal cover |
| CN112780536A (en) * | 2020-12-30 | 2021-05-11 | 保定雷弗流体科技有限公司 | Peristaltic pump head and filling method for fluid pipeline of peristaltic pump head |
| CN213527032U (en) * | 2020-07-09 | 2021-06-25 | 孙九华 | Dialysis tube fixing device for nephrology department |
| CN113134950A (en) * | 2021-04-16 | 2021-07-20 | 重庆迪盈精密电子科技有限公司 | Adsorption device for taking out notebook computer shell for processing |
| CN213943545U (en) * | 2020-09-16 | 2021-08-13 | 阮晓芳 | Centrifugal device for genetic engineering |
| CN214500392U (en) * | 2020-11-02 | 2021-10-26 | 上海帕纶珂机电科技有限公司 | Reducer pipe for movable equipment test platform |
| CN214549560U (en) * | 2020-12-01 | 2021-11-02 | 湖南医药学院 | Uterine curettage device for obstetrics and gynecology department |
-
2021
- 2021-11-19 CN CN202111400148.0A patent/CN114110258B/en active Active
Patent Citations (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB845299A (en) * | 1957-02-15 | 1960-08-17 | John Vinton Bouyoucos | Acoustic-vibration generator |
| US5769385A (en) * | 1996-01-31 | 1998-06-23 | Medtronic Electromedics, Inc. | Tubing clamps for blood separating apparatus |
| JP2000080980A (en) * | 1998-09-07 | 2000-03-21 | Nippon Pillar Packing Co Ltd | Pump equipped with pulsation reducing device |
| US20060014999A1 (en) * | 2004-07-19 | 2006-01-19 | Heilman Marlin S | Devices, systems and methods for assisting blood flow |
| US20090032650A1 (en) * | 2007-07-06 | 2009-02-05 | Kabushiki Kaisha Toshiba | Device and method for fixing a reactor metering pipe |
| CN103857923A (en) * | 2011-03-10 | 2014-06-11 | 韩国气压系统有限公司 | Quick-release vacuum pump |
| US20160051740A1 (en) * | 2014-08-21 | 2016-02-25 | Fenwal, Inc. | Magnet-Based Systems And Methods For Transferring Fluid |
| CN205297904U (en) * | 2016-01-13 | 2016-06-08 | 台州信溢农业机械有限公司 | Diaphragm type voltage regulator device |
| CN106421945A (en) * | 2016-08-31 | 2017-02-22 | 山东中保康医疗器具有限公司 | Full-automatic blood cell separation machine system |
| US20180149152A1 (en) * | 2016-11-29 | 2018-05-31 | Takasago Electric, Inc. | Peristaltic pump device |
| CN106907543A (en) * | 2017-04-19 | 2017-06-30 | 武汉理工大学 | A kind of press and open holes closure shunting equipment |
| CN107269504A (en) * | 2017-08-16 | 2017-10-20 | 保定准择恒流泵制造有限公司 | Peristaltic pump flow rate adjusting method and the peristaltic pump based on this method |
| CN108567435A (en) * | 2018-03-12 | 2018-09-25 | 程聪 | A kind of hematology's blood processor |
| CN208138694U (en) * | 2018-04-10 | 2018-11-23 | 郑州市轨道交通有限公司 | A kind of pipe leakage fast plugging device |
| CN108679033A (en) * | 2018-06-05 | 2018-10-19 | 宣城市飞诚环保科技有限公司 | A kind of pneumatic control components |
| CN209701669U (en) * | 2019-01-08 | 2019-11-29 | 山东马克智能科技有限公司 | It is a kind of to enter pad machine automatically |
| CN209781181U (en) * | 2019-03-15 | 2019-12-13 | 重庆金山医疗器械有限公司 | Peristaltic pump head capable of instantly releasing pressure |
| CN110787338A (en) * | 2019-11-15 | 2020-02-14 | 开化含硕医疗器械有限公司 | Anesthetic injection device for operation |
| CN212250414U (en) * | 2020-04-22 | 2020-12-29 | 王典 | Diaphragm seal pump with diaphragm breathing seal cover |
| CN111503413A (en) * | 2020-04-25 | 2020-08-07 | 南京奥新可工程科技有限公司 | Pipeline fixing device for sewage treatment |
| CN213527032U (en) * | 2020-07-09 | 2021-06-25 | 孙九华 | Dialysis tube fixing device for nephrology department |
| CN213943545U (en) * | 2020-09-16 | 2021-08-13 | 阮晓芳 | Centrifugal device for genetic engineering |
| CN214500392U (en) * | 2020-11-02 | 2021-10-26 | 上海帕纶珂机电科技有限公司 | Reducer pipe for movable equipment test platform |
| CN214549560U (en) * | 2020-12-01 | 2021-11-02 | 湖南医药学院 | Uterine curettage device for obstetrics and gynecology department |
| CN112780536A (en) * | 2020-12-30 | 2021-05-11 | 保定雷弗流体科技有限公司 | Peristaltic pump head and filling method for fluid pipeline of peristaltic pump head |
| CN113134950A (en) * | 2021-04-16 | 2021-07-20 | 重庆迪盈精密电子科技有限公司 | Adsorption device for taking out notebook computer shell for processing |
Non-Patent Citations (1)
| Title |
|---|
| 徐惠朝;肖红升;: "全自动软管注肩机上管装置的设计" * |
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