CN114226080B - Blood pipeline purifying device and purifying method of blood separator - Google Patents
Blood pipeline purifying device and purifying method of blood separator Download PDFInfo
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- CN114226080B CN114226080B CN202111577292.1A CN202111577292A CN114226080B CN 114226080 B CN114226080 B CN 114226080B CN 202111577292 A CN202111577292 A CN 202111577292A CN 114226080 B CN114226080 B CN 114226080B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0442—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers with means for adding or withdrawing liquid substances during the centrifugation, e.g. continuous centrifugation
Abstract
The utility model belongs to the technical field of blood separator consumptive material, especially, relate to blood separator blood pipeline purifier and purification method, only with the syringe needle of external UNICOM in the utilization consumptive material, adopt flexible sleeve cladding syringe needle and sealed syringe needle's scheme for the drainage tube inserts the infusion port department of needle point, make fluid get into the consumptive material along multichannel interface and drainage tube in, wash the consumptive material through substances such as normal saline and accomplish the purification work of blood pipeline in the consumptive material, and the first sleeve of this application, second sleeve and the cooperation of first rotatory sleeve, make first sleeve pass through screw thread and be in the same place with first rotatory sleeve connection, and then make the three form the whole of a comparatively complete function, for the gasket is fixed, the gasket adjustment, drainage silk is fixed etc. provides structural basis.
Description
Technical Field
The application belongs to the technical field of blood separator consumables, and particularly relates to a blood separator blood pipeline purifying device and a purifying method.
Background
The statements in this section merely provide background information related to the present application and may not necessarily constitute prior art.
The blood separator is a device for separating whole blood into plasma, platelets and blood cells by utilizing a centrifugal technology, is the most commonly used device for collecting platelets in hospitals, and at present, a disposable consumable made of PP materials is adopted on the blood separator, and the consumable is detached from an outer packaging bag and can be directly arranged on the blood separator when in use.
The fluid tube and the fluid bag of the consumable are fixedly connected together by adopting a dispensing technology, for example, the fluid bag such as a whole blood temporary storage bag, a centrifugal bag and the like used in the consumable is fixed with the fluid tube, and a part of the fluid bag can be removed from the fluid tube, for example, the fluid bag such as an anticoagulant bag, a physiological saline bag and the like, and a needle which is convenient to be matched with the fluid bag is arranged on the fluid tube.
The consumable can be through links such as disinfection, detection when producing, because the consumable needs to pass through a plurality of links such as a plurality of separations, blood sampling, lead to the consumable overall length longer, have relatively many bacterium, virus corpse, along with the flow of fluid in the consumable, these substances can get into in the fluid bag along the fluid pipe, for example in the platelet bag.
Disclosure of Invention
In order to solve the above problems, the present application provides a blood line purifying device and a purifying method for a blood separator.
The first purpose of this application is to provide blood separator blood pipeline purifier, only with the syringe needle of external UNICOM in the utilization consumptive material, adopt flexible sleeve cladding syringe needle and sealed syringe needle's scheme for the drainage tube inserts the infusion mouth department of needle point, makes fluid along multichannel interface and drainage tube get into in the consumptive material, washes the consumptive material through substances such as normal saline and accomplishes the purification work of blood pipeline in the consumptive material.
In order to achieve the first object of the present application, the technical solution of the present application is:
blood separator blood pipeline purifier, including flexible sleeve, flexible sleeve rear end is provided with multichannel interface, multichannel interface rear end is provided with the second sleeve, be provided with the gasket in the second sleeve, be provided with a plurality of activity lamella protruding to the gasket outside on the gasket, wear to be equipped with the drainage silk in the activity lamella, the gasket rear end is provided with the preforming, the through-hole has been seted up on the preforming, the drainage silk wears to establish in the through-hole, the preforming rear end is provided with the rotatory sleeve of second, be provided with cylindric pressure section of thick bamboo on the rotatory sleeve of second, pressure section of thick bamboo central part is provided with the depression bar, when pressure section of thick bamboo and depression bar extrude the preforming on the gasket, activity lamella extrudees to gasket one side and then fixes the drainage silk on the gasket.
Further, this application is convenient for flexible sleeve with syringe needle cooperation to make flexible sleeve can with syringe needle sealing connection, flexible sleeve periphery is provided with annular gasbag, and annular gasbag passes through the gas transmission mouth and connects gas transmission device.
Further, this application is in order to be able to adjust the position of drainage silk in the infusion mouth, be provided with first rotatory sleeve between second sleeve and the rotatory sleeve of second, first rotatory sleeve activity sets up at second sleeve inner periphery, first rotatory sleeve is provided with the ladder tooth towards gasket one side, the ladder tooth is pressed on the gasket, when first rotatory sleeve rotates, the ladder tooth drives the gasket and rotates, first rotatory sleeve inboard is provided with the second internal thread, the rotatory telescopic pressure section of thick bamboo outside of second is provided with the second external screw thread, second external screw thread and second internal screw thread spiro union for press section of thick bamboo and depression bar will press the preforming extrusion on the gasket.
Further, the first rotary sleeve is provided with a groove, a third internal thread is arranged in the groove, the front end of the second sleeve is provided with a first sleeve, the second sleeve is arranged in the first sleeve in a penetrating mode, the inner side of the first sleeve is provided with a limiting plate, the outer side of the first sleeve is provided with a first external thread, the first external thread is in threaded connection with the third internal thread, the first rotary sleeve and the second sleeve are fixed together, and then the first rotary sleeve and the first sleeve are mutually matched and fixed on the second sleeve.
Further, the utility model provides an input multiple fluid in blood separator blood pipeline, multichannel interface include first passageway and second passageway, and physiological saline bottle is connected to first passageway, and clean gas bottle is connected to the second passageway, and the outstanding multichannel interface of drainage silk one end, the inside and drainage silk extension to the syringe needle rear end of inside along the infusion mouth entering syringe needle of the one end of the outstanding multichannel interface of drainage silk.
Further, this application is provided with the contrary ladder tooth with ladder tooth matched with in order to better messenger's gasket to take place to rotate on the gasket, and the ladder direction of contrary ladder tooth is opposite with the ladder direction of ladder tooth.
Further, the application provides the installation scheme of multiple contrary ladder tooth on the gasket, and as first scheme, contrary ladder tooth sets up on solid fixed ring, gu fixed ring is connected towards gasket one end and gasket glue joint, and as second scheme, gu fixed ring face is provided with a plurality of cooperation posts to gasket one end, has offered the cooperation hole the same with cooperation post quantity on the gasket, and the cooperation post is inserted and is established in the cooperation hole.
Further, this application is in order to make the drainage silk adjustable, fixable on the gasket, and this application has offered the round hole that runs through the gasket in the gasket, is provided with multi-disc movable lamella in the round hole, and movable lamella is close to round hole one end and is connected with the round hole, has the clearance between the movable lamella in the same round hole, and the diameter of drainage silk is greater than the clearance width, and the movable lamella is the protruding gasket of arc orientation preforming direction.
The second object of the present application is to provide a blood separator blood pipeline purifying method, which uses the needle head which is only communicated with the outside in the consumable, and uses the flexible sleeve to cover the needle head and seal the needle head, inserts the drainage tube into the transfusion mouth of the needle head, so that the fluid enters the consumable along the multi-channel interface and the drainage tube, and uses the physiological saline and other substances to flush the inner wall of the pipeline and the inner wall of the fluid bag and complete the purifying work of the blood pipeline in the consumable
In order to achieve the second object of the present application, the technical solution of the present application is:
the blood separator blood pipeline purifying method is based on the blood separator blood pipeline purifying device and comprises the following steps:
s1, assembling a purifying device: the method comprises the steps of installing a second sleeve and a flexible sleeve on a multi-channel interface, penetrating a drainage wire between movable petals of a gasket, installing the gasket in the second sleeve, enabling the drainage wire to protrude out of the multi-channel interface, installing a first rotary sleeve in the second sleeve, enabling the other end of the drainage wire to protrude out of the first rotary sleeve, installing a pressing sheet in the first rotary sleeve, penetrating the drainage wire in a through hole of the pressing sheet, and installing the second rotary sleeve in the first rotary sleeve;
s2, connecting a needle head: the guide wire enters the inside of the needle along the infusion port of the needle, and the flexible sleeve is sleeved on the needle along with the movement of the guide wire to the rear end of the needle, so that the flexible sleeve reaches the front end of the needle, the gas transmission device is opened to enable the gas bag to be inflated, and the flexible sleeve is sealed with the front end of the needle;
s3, adjusting the position of the drainage wire: the step teeth are pressed on the gasket, the first rotary sleeve is rotated, the drainage wire slightly moves in the infusion port, the drainage wire is abutted against the edge of the infusion port, the second rotary device is fixed on the first rotary device, the pressing barrel and the pressing rod press the pressing piece on the gasket, the movable flap is pressed by the pressing piece, the movable flap is used for fixing the drainage wire, the first sleeve is fixedly connected with the first rotary sleeve, and the limiting plate is abutted against the second sleeve;
s4, connecting a clean gas bottle and a physiological saline bottle: the method comprises the steps of butting a quick clamping connector on a gas pipe on a pure gas bottle with a quick clamping connector on a second channel on a multi-channel interface, clamping a clamp on the quick clamping connector, enabling the pure gas bottle to be connected with the multi-channel interface through the gas pipe, butting a quick clamping connector on a transfusion pipe on a physiological saline bottle with a quick clamping connector on a first channel on the multi-channel interface, clamping the clamp on the quick clamping connector, and enabling the physiological saline bottle to be connected with the multi-channel interface through the transfusion pipe;
s5, conveying fluid: the switch on the infusion tube is turned on, so that normal saline enters the multi-channel interface along the infusion tube, the normal saline in the multi-channel interface enters the whole blood separator blood pipeline along the drainage tube, the whole blood separator blood pipeline is filled with the normal saline, the switch of the infusion tube is turned off, the switch of the gas transmission tube is turned on, so that pure gas enters the whole blood separator blood pipeline, and the normal saline is pushed out from the other needle head.
Further, the method for installing the reverse step teeth on the gasket comprises the following steps: the fixed ring is arranged on the gasket, the matching column on the fixed ring is inserted into the matching hole of the gasket, the gasket is arranged in the second sleeve, and the reverse step teeth on the fixed ring face the step teeth of the first rotary sleeve.
Compared with the prior art, the beneficial effects of this application are:
1. this application utilizes flexible sleeve and the sealed syringe needle of annular gasbag on the flexible sleeve for normal saline and clean air get into the syringe needle from multichannel interface, introduce whole blood separator blood pipeline along the infusion mouth of syringe needle with the fluid in the multichannel interface by the drainage silk, and then wash out blood pipeline, accomplish the purification.
2. This application utilizes movable lamella to fix the drainage silk, and the preforming compresses tightly when the movable lamella, and movable lamella to the gasket internal contraction, and then the mutual extrusion of movable lamella is located the drainage silk in centre, finally makes the drainage silk fixed between the movable gasket, and in addition, first rotatory telescopic ladder tooth can the butt on the gasket, and along with first rotatory telescopic rotation still makes the gasket rotatory, and the gasket rotation drives the drainage silk rotatory, and then makes the drainage silk can aim at the infusion mouth on the needle and reach the relevant position of infusion mouth.
3. This application utilizes second rotatory sleeve and first rotatory sleeve cooperation, by the pressure section of thick bamboo and depression bar and the preforming cooperation on the rotatory sleeve of second, presses the section of thick bamboo to push down around the preforming, the center of depression bar preforming, and then makes the preforming comparatively even press on the gasket, and then makes the even quilt extrusion of movable flap.
4. The utility model discloses an utilize first sleeve, second sleeve and first rotatory sleeve cooperation for first sleeve passes through the screw thread and is in the same place with first rotatory sleeve connection, and then makes the three form the whole of a comparatively complete function, for fixed, the gasket adjustment of gasket, drainage silk is fixed etc. provide structural basis.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of the structure of the present application mated with a needle;
FIG. 3 is a schematic view of the front view of the present application mated with a needle;
FIG. 4 is a schematic view of the structure of the present application in a rear view direction;
FIG. 5 is a schematic structural diagram of an assembled view of the multi-channel interface in one direction;
FIG. 6 is a schematic diagram of an assembled view of the multi-channel interface of the present application in another orientation;
FIG. 7 is a schematic diagram of an assembled view structure of the multi-channel interface in a front view direction;
FIG. 8 is a schematic view of an embodiment of a gasket of the present application in front view;
FIG. 9 is a schematic view of the gasket and retaining ring of the present application in one orientation;
FIG. 10 is a schematic view of the gasket and retaining ring of the present application in another orientation;
fig. 11 is a schematic structural view of the gasket and the fixing ring in a side view direction.
In the figure:
1. flexible sleeve, 2, annular balloon, 3, delivery port, 4, multichannel interface, 5, first channel, 6, second channel, 7, first sleeve, 8, first rotating sleeve, 9, second rotating sleeve, 10, drainage wire, 11, second sleeve, 12, spacer, 13, movable flap, 14, step teeth, 15, sheeting, 16, through hole, 17, groove, 18, press cylinder, 19, compression rod, 20, annular baffle, 21, first external thread, 22, stop plate, 23, cavity, 24, first internal thread, 25, second internal thread, 26, third internal thread, 27, second external thread, 28, fixation ring, 29, reverse step teeth, 30, mating post, 31, mating hole, 32, needle tip, 33, delivery port, 34, needle tip, 35, wing, 36, needle rear end.
The specific embodiment is as follows:
the present application is further described below with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Example 1
The utility model relates to a processing scheme of consumptive material on the blood separating centrifuge, this kind of consumptive material is by the platelet bag that the PP material was made, whole blood temporary storage bag, the centrifugation bag, the normal saline bag, fluid bags such as anticoagulant bag and be used for the pipeline of blood flow etc. the fluid pipe is constituteed, consequently, whole pipeline route is longer, the pipeline that the blood separating centrifuge used is longer than current infusion pipeline, the two have tens of times differences, and the pipeline that the blood separating centrifuge used is thicker, if do not handle, microorganism corpse in the blood separating centrifuge pipeline will get into centrifugation bag and platelet bag, this is unfavorable to the separation collection of blood composition, and bag bodies such as whole blood temporary storage bag just link together with the fluid pipe when the preparation, only sealed syringe needle is can with external intercommunication, and the syringe needle has 3 transfusion ports 33, and transfusion port 33 is less, consequently, the processing of blood separating centrifuge blood pipeline still has the certain degree of difficulty, this embodiment just makes corresponding solution and solves above-mentioned problem under this condition.
The embodiment is an implementation mode of a blood pipeline purifying device of a blood separator, the integral structure, the split structure, the internal structure and materials adopted by each structural component of the purifying device are described in detail, the main structure of the purifying device comprises a flexible sleeve 1, a multi-channel connector 4, a second sleeve 11, a second rotary sleeve 9 and the like, wherein the flexible sleeve 1 is cylindrical after being completely unfolded, the flexible sleeve 1 is made of a PP material or a polytetrafluoroethylene material of a flexible material, the wall thickness of the flexible sleeve 1 is thinner, the unfolded diameter is slightly larger than the diameter of the front end 34 of a needle or is just equal to the diameter of the front end 34 of the needle, the flexible sleeve 1 is conveniently sleeved on the needle, the periphery of the flexible sleeve 1 is provided with an annular air bag 2, the annular air bag 2 is in an annular shape and is provided with a plurality of side-by-side annular structures, the annular air bag 2 can expand after being inflated and then extrude the flexible sleeve 1, the flexible sleeve 1 is further connected with the needle in a sealing mode, the annular air bag 2 is required to be stretched only by not to be provided with the material, a gas bottle 3 is arranged on the outer side of the annular air bag 2, the annular air bag 3 is connected with a device, for example, the air delivery port 3 is connected with a device, the air pump is not required to be provided with a valve, and the air pump is not to be provided with a quantitative air pump, and the air flow meter is required to be mounted on the air pump.
In this embodiment, one side close to the needle is used as the front end of the purification device, the needle is used as the front end of the needle close to the purification device, the multichannel interface 4 is installed at the rear end of the flexible sleeve 1, in this embodiment, four-way or five-way is used as the multichannel interface 4, the difference of the number of the channel ports represents the difference of the expandable functions of this embodiment, for example, four-way is used as the multichannel interface 4, which has four interfaces, one interface is connected with the flexible sleeve 1, the other interface is connected with the second sleeve 11, the two interfaces must be the interfaces located on the same horizontal line, the remaining two interfaces are referred to herein as the first channel 5 and the second channel 6, the first channel 5 is connected with the physiological saline bottle through a pipeline, the second channel 6 is connected with the pure gas bottle through a pipeline, and a flowmeter and a valve are installed on the connecting pipeline, so that the quantitative fluid of unit time flows into the multichannel interface 4, and the flexible sleeve 1 and the multichannel interface 4 can be connected together by adopting a dispensing technology, in this embodiment, except that the flow wire 10 is a metal material, and the other interfaces are made of different materials.
According to the multi-channel connector, the second sleeve 11 is installed at the rear end of the multi-channel connector 4, the second sleeve 11 is made of PP materials, the second sleeve 11 is cylindrical, a detachable component is formed by being connected with the multi-channel connector 4 through threads, the first sleeve 7 is sleeved on the connector of the multi-channel connector 4 and the outer periphery of the second sleeve 11, the multi-channel connector 4 is provided with external threads as a threaded connection structure of the embodiment, the front end of the second sleeve 11 is provided with first internal threads 24 on the inner side wall of the front end of the multi-channel connector, the second sleeve 11 is in threaded connection with the multi-channel connector 4, the second sleeve 11 is internally provided with an annular baffle 20, the annular baffle 20 is in an annular shape and is located at the rear end of the first internal threads 24, a gasket 12 installed in the second sleeve 11 is abutted to the annular baffle 20, the gasket 12 is far away from the first internal threads 24, the gasket 12 is made of polytetrafluoroethylene materials or other flexible medical materials, the gasket 12 is in a disc shape, and the outer periphery of the gasket 12 is smaller than the inner periphery of the second sleeve 11 in diameter but larger than the inner periphery of the annular baffle 20, so that the gasket 12 can be abutted to the annular baffle 20, the second sleeve 11 is in the annular baffle 20 and the first rotating sleeve 8 is installed in the first rotating mode.
The first rotary sleeve 8 is used for adjusting the position of the gasket 12, so that the drainage wire 10 penetrating through the gasket 12 can rotate along with the gasket 12, and then can enter the rear end 36 of the needle through the infusion port 33, the first rotary sleeve 8 comprises a rotary cylinder at the front end and a first rotary part at the rear end, the first rotary part is provided with a cylindrical cavity 23 identical to the rotary cylinder, the rotary cylinder is cylindrical, the outer circumference of the rotary cylinder is slightly smaller than the inner circumference diameter of the second sleeve 11, so that the rotary cylinder can enter the inner circumference of the second sleeve 11, the front end of the rotary cylinder is provided with a stepped tooth 14 structure, the diameter of the first rotary part is larger than that of the second sleeve 11, and the outer circumference of the first rotary part is provided with anti-skid threads, so that, in combination, the outer circumference of the first rotary part is larger than that of the second sleeve 11, the embodiment is provided with a groove 17 in the first rotary part, and a third internal thread 26 is provided in the groove 17, the structure can make the first sleeve 7 and the first rotary sleeve 8 cooperate, in particular, the inner side wall of the first sleeve 7 is also provided with a limiting plate 22 structure, the limiting plate 22 structure of the embodiment can be a whole circular ring-shaped bulge, the limiting plate 22 extends towards the central axis direction of the second sleeve 11, and can also be a block structure positioned on the same vertical plane, but after being matched with the second sleeve 11, the distance extending towards the central axis direction is smaller than the wall thickness of the second sleeve 11, so that the limiting plate 22 can be abutted against the side wall of the second sleeve 11, the periphery of the rear end of the first sleeve 7 is provided with a first external thread 21, the first external thread 21 can cooperate with a third internal thread 26 for use, and the first rotary sleeve 8 is fixed on the second sleeve 11 by the first sleeve 7, thus, the rotary movement towards the gasket 12 direction can be completed, the first rotary sleeve 8 for completing the work can be fixed, and the structure is simple, the cost is low, and the disposable consumable material has certain economic benefit even if being matched with a blood pipeline of the blood separator.
The pressing piece 15 is arranged in the first rotary sleeve 8, the pressing piece 15 is a hard plastic piece, the pressing piece 15 is a disc type, the diameter of the pressing piece 15 is slightly smaller than the inner peripheral diameter of the rotary sleeve 8, the through hole 16 is formed in the pressing piece 15, the drainage wire 10 penetrates through the through hole 16, the diameter of the through hole 16 is equal to the diameter of the infusion port 33, the drainage wire 10 can rotate in the through hole 16 along with the rotation of the gasket 12, the second rotary sleeve 9 is arranged in the first rotary sleeve 8, the second rotary sleeve 9 comprises a second rotary part and a pressing sleeve 18 at the front end of the second rotary part, the second rotary sleeve 9 is made of the same material as the first rotary sleeve 8, the second rotary part and the first rotary part are of the same structure, the outer periphery is of the disc type structure with the same diameter, the pressing piece 18 is of the circular shape, the pressing sleeve 18 is of the circular shape, a pressing rod 19 is further arranged at the center of the pressing sleeve 18, the pressing sleeve 18 and the end face of the second rotary part is fixedly connected with the pressing rod 19, the pressing sleeve 18 is fixedly connected with the end face of the second rotary part, the pressing sleeve 18 is arranged in the first rotary sleeve 8, the pressing sleeve 18 is matched with the pressing sleeve 12 at the periphery of the second rotary sleeve 13, the pressing piece is enabled to be matched with the pressing piece 10, and the gasket is enabled to be fixed, and the gasket is enabled to rotate, the pressing piece 10 is enabled to rotate, the pressing piece is pressed by the pressing sleeve 12 is made to be in the circular structure, and the pressing piece is the pressing sleeve is made to be the pressing sleeve is the pressing piece, and the pressing piece is the pressing sleeve is made, the pressing pad is and the pressing pad is made.
As an embodiment, the second rotating sleeve 9 is in threaded connection with the first rotating sleeve 8, specifically, the inner periphery of the rear end of the first rotating sleeve 8 is provided with a second inner thread 25, the rear end of the pressing cylinder 18 of the second rotating sleeve 9 is provided with a second outer thread 27, and the second inner thread 25 and the second outer thread 27 are matched so as to fix the second rotating sleeve 9 in the first rotating sleeve 8, and the pressing cylinder 18 and the pressing rod 19 are pressed on the pressing sheet 15.
The gasket 12 of this embodiment is provided with a plurality of movable flaps 13 protruding to the outside of the gasket 12, specifically, a round hole penetrating through the gasket 12 is provided in the gasket 12, a plurality of movable flaps 13 are provided in the round hole, in this embodiment, the total number of movable flaps 13 in the same round hole is 4, one end of each movable flap 13 close to the round hole is connected with the round hole, gaps are provided between the movable flaps 13 in the same round hole, the diameter of the drainage wire 10 is larger than the gap width, the movable flaps 13 are arc-shaped and protrude out of the gasket 12 towards the direction of the pressing piece 15, and the number of infusion ports 33 on the existing needle is 3, therefore, in this embodiment, the round holes on the gasket 12 are also 3.
The guide wire 10 of this embodiment is a guide wire for examination in gastroenterology, and the guide wire made of such a material and structure is directly selected as the guide wire 10.
Example 2
The gasket 12 of this embodiment can also be further optimized based on the gasket 12 structure adopted in embodiment 1, the step tooth 14 can squeeze the gasket 12, but how much damage can still be caused to the gasket 12, although this application is used as disposable consumable, this condition is few, but more frequent when the novice uses, therefore, this embodiment carries out further optimization to the gasket 12, the counter step tooth 29 with the step tooth 14 matched with on the gasket 12, the step direction of counter step tooth 29 is opposite to the step direction of step tooth 14, more specifically, counter step tooth 29 sets up on the solid fixed ring 28, as an embodiment, gu fixed ring 28 face gasket 12 one end and be connected with gasket 12, glue joint mode includes the point gum connection, namely utilize the point gum technique and the corner syringe needle that the point gum technique adopted to fix gasket 12 and gu fixed ring 28, as a second embodiment, gu fixed ring 28 face gasket 12 one end has a plurality of fitting post 30, set up the same fitting hole 31 with fitting post 30 quantity on the gasket 12, the interference fit post 30 is inserted and is set up in the hole 31, the fitting hole is in the fitting hole 31 and is in the fixed hole 30, and the fixed hole is in the fixed with the fixed hole of the embodiment, and the fixed hole is in the fixed hole 30.
Example 3
This embodiment discloses a blood line purification method for a blood separator, which requires the adoption of the blood line purification device for a blood separator disclosed in embodiment 1 or embodiment 2, comprising the steps of:
s1, assembling a purifying device: mounting the second sleeve 11 and the flexible sleeve 1 on the multi-channel interface 4, threading the drainage wire 10 between the movable flaps 13 of the gasket 12, mounting the gasket 12 in the second sleeve 11 and making the drainage wire 10 protrude out of the multi-channel interface 4, mounting the first rotary sleeve 8 in the second sleeve 11 so that the other end of the drainage wire 10 protrudes out of the first rotary sleeve 8, mounting the pressing piece 15 in the first rotary sleeve 8, threading the drainage wire 10 in the through holes 16 of the pressing piece 15, and mounting the second rotary sleeve 9 in the first rotary sleeve 8;
s2, connecting a needle head: the guide wire 10 enters the inside of the needle along the infusion port 33 of the needle, and the flexible sleeve 1 is sleeved on the needle along with the movement of the guide wire 10 to the rear end 36 of the needle, so that the flexible sleeve 1 reaches the front end 34 of the needle, the gas transmission device is opened to enable the gas bag to be inflated, and the flexible sleeve 1 is sealed with the front end 34 of the needle;
s3, adjusting the position of the drainage wire 10: the step teeth 14 are pressed on the gasket 12, the first rotary sleeve 8 is rotated, the position of the drainage wire 10 in the infusion port 33 is slightly moved, the drainage wire 10 is abutted against the edge of the infusion port 33, the second rotary device is fixed on the first rotary device, the pressing barrel 18 and the pressing rod 19 press the pressing sheet 15 on the gasket 12, the movable flap 13 is pressed by the pressing sheet 15, the movable flap 13 is used for fixing the drainage wire 10, the first sleeve 7 is fixedly connected with the first rotary sleeve 8, and the limiting plate 22 is abutted against the second sleeve 11;
s4, connecting a clean gas bottle and a physiological saline bottle: the method comprises the steps of butting a quick clamping connector on a gas pipe on a pure gas bottle with a quick clamping connector on a second channel 6 on a multi-channel interface 4, clamping a clamp on the quick clamping connector, enabling the pure gas bottle to be connected with the multi-channel interface 4 through the gas pipe, butting a quick clamping connector on a perfusion tube on a physiological saline bottle with a quick clamping connector on a first channel 5 on the multi-channel interface 4, clamping the clamp on the quick clamping connector, and enabling the physiological saline bottle to be connected with the multi-channel interface 4 through the perfusion tube;
s5, conveying fluid: the switch on the infusion tube is turned on, so that normal saline enters the multi-channel connector 4 along the infusion tube, the normal saline in the multi-channel connector 4 enters the whole blood separator blood pipeline along the drainage tube, the whole blood separator blood pipeline is filled with the normal saline, the switch on the infusion tube is turned off, the switch on the air tube is turned on, so that pure air enters the whole blood separator blood pipeline, and the normal saline is pushed out from the other needle head.
It is also necessary to secure the needle prior to step S1, and first, to grasp the wings 35 of the needle so that the rear end 36 of the needle is gripped and may be tilted slightly, e.g., the front end 34 of the needle is tilted upward, or so that the needle is gripped horizontally.
Specifically, the retainer ring 28 is mounted on the washer 12 such that the mating posts 30 on the retainer ring 28 are inserted into the mating holes 31 of the washer 12, and the washer 12 is mounted in the second sleeve 11 such that the counter-stepped teeth 29 on the retainer ring 28 face the stepped teeth 14 of the first rotating sleeve 8.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
While the foregoing description of the embodiments of the present application has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the application, but rather, it is intended to cover all modifications or variations which may be resorted to without undue burden to those skilled in the art, having the benefit of the present application.
Claims (5)
1. The blood pipeline purifying device of the blood separator is characterized by comprising a flexible sleeve (1), wherein a multi-channel interface (4) is arranged at the rear end of the flexible sleeve (1), and a second sleeve (11) is arranged at the rear end of the multi-channel interface (4);
a gasket (12) is arranged in the second sleeve (11), a plurality of movable flaps (13) protruding to the outer side of the gasket (12) are arranged on the gasket (12), a drainage wire (10) is arranged in the movable flaps (13) in a penetrating mode, a pressing sheet (15) is arranged at the rear end of the gasket (12), a through hole (16) is formed in the pressing sheet (15), and the drainage wire (10) is arranged in the through hole (16) in a penetrating mode;
the rear end of the pressing piece (15) is provided with a second rotary sleeve (9), a cylindrical pressing barrel (18) is arranged on the second rotary sleeve (9), a pressing rod (19) is arranged at the center of the pressing barrel (18), and when the pressing barrel (18) and the pressing rod (19) press the pressing piece (15) on the gasket (12), the movable flap (13) presses one side of the gasket (12) so as to fix the drainage wire (10) on the gasket (12);
a first rotary sleeve (8) is arranged between the second sleeve (11) and the second rotary sleeve (9), the first rotary sleeve (8) is movably arranged at the inner periphery of the second sleeve (11), one side of the first rotary sleeve (8) facing the gasket (12) is provided with a step tooth (14), the step tooth (14) is pressed on the gasket (12), and when the first rotary sleeve (8) rotates, the step tooth (14) drives the gasket (12) to rotate;
the inner side of the first rotary sleeve (8) is provided with a second internal thread (25), the outer side of a pressing cylinder (18) of the second rotary sleeve (9) is provided with a second external thread (27), and the second external thread (27) is in threaded connection with the second internal thread (25), so that the pressing cylinder (18) and the pressing rod (19) press the pressing sheet (15) on the gasket (12);
a groove (17) is formed in the first rotary sleeve (8), and a third internal thread (26) is arranged in the groove (17);
the front end of the second sleeve (11) is provided with a first sleeve (7), the second sleeve (11) is arranged in the first sleeve (7) in a penetrating way, the inner side of the first sleeve (7) is provided with a limiting plate (22), the outer side of the first sleeve (7) is provided with a first external thread (21), and the first external thread (21) is in threaded connection with a third internal thread (26) so that the first rotary sleeve (8) and the second sleeve (11) are fixed together;
the inner side wall of the front end of the second sleeve (11) is provided with a first internal thread (24), the second sleeve (11) is internally provided with an annular baffle plate (20), the annular baffle plate (20) is annular, the annular baffle plate (20) is positioned at the rear end of the first internal thread (24), and a gasket (12) arranged in the second sleeve (11) is abutted against the annular baffle plate (20);
the multi-channel interface (4) comprises a first channel (5) and a second channel (6), the first channel (5) is connected with a physiological saline bottle, the second channel (6) is connected with a clean gas bottle,
one end of the drainage wire (10) protrudes out of the multi-channel interface (4), one end of the drainage wire (10) protruding out of the multi-channel interface (4) enters the inside of the needle along the infusion port (33) and the drainage wire (10) extends to the rear end (36) of the needle;
the periphery of the flexible sleeve (1) is provided with an annular air bag (2), and the annular air bag (2) is connected with a gas transmission device through a gas transmission port (3);
the gasket (12) is provided with an inverse step tooth (29) matched with the step tooth (14), and the step direction of the inverse step tooth (29) is opposite to the step direction of the step tooth (14).
2. The blood line purification apparatus of a blood separator according to claim 1, wherein the reverse step teeth (29) are provided on a stationary ring (28),
the fixed ring (28) is connected with the gasket (12) in a cementing way towards one end of the gasket (12), or a plurality of matching columns (30) are arranged at one end of the fixed ring (28) towards the gasket (12), the gasket (12) is provided with matching holes (31) with the same number as the matching columns (30), and the matching columns (30) are inserted into the matching holes (31).
3. The blood separator blood pipeline purification device according to claim 1, wherein a round hole penetrating through the gasket (12) is formed in the gasket (12), a plurality of movable flaps (13) are arranged in the round hole, one ends of the movable flaps (13) close to the round hole are connected with the round hole, gaps are formed between the movable flaps (13) in the same round hole, the diameter of the drainage wire (10) is larger than the width of the gaps, and the movable flaps (13) protrude out of the gasket (12) towards the direction of the pressing piece (15) in an arc shape.
4. A blood line purifying method for a blood separator using the blood line purifying apparatus for a blood separator according to any one of claims 1 to 3, comprising the steps of:
s1, assembling a purifying device: installing a second sleeve (11) and a flexible sleeve (1) on the multi-channel interface (4), threading a drainage wire (10) between movable flaps (13) of a gasket (12), installing the gasket (12) in the second sleeve (11) and enabling the drainage wire (10) to protrude out of the multi-channel interface (4), installing a first rotary sleeve (8) in the second sleeve (11) and enabling the other end of the drainage wire (10) to protrude out of the first rotary sleeve (8), installing a pressing piece (15) in the first rotary sleeve (8) and enabling the drainage wire (10) to be threaded in a through hole (16) of the pressing piece (15), and installing a second rotary sleeve (9) in the first rotary sleeve (8);
s2, connecting a needle head: the method comprises the steps that a drainage wire (10) enters the inside of a needle along an infusion port (33) of the needle, the flexible sleeve (1) is sleeved on the needle along with the movement of the drainage wire (10) to the rear end (36) of the needle, so that the flexible sleeve (1) reaches the front end (34) of the needle, a gas transmission device is opened to enable a gas bag to be inflated, and the flexible sleeve (1) is sealed with the front end (34) of the needle;
s3, adjusting the position of the drainage wire (10): the step teeth (14) are pressed on the gasket (12), the first rotary sleeve (8) is rotated, the guide wire (10) moves slightly in the infusion port (33), the guide wire (10) is abutted against the edge of the infusion port (33), the second rotary device is fixed on the first rotary device, the pressing barrel (18) and the pressing rod (19) press the pressing piece (15) on the gasket (12), the movable flap (13) is pressed by the pressing piece (15) and then the movable flap (13) is used for fixing the guide wire (10), the first sleeve (7) is fixedly connected with the first rotary sleeve (8), and the limiting plate (22) is abutted against the second sleeve (11);
s4, connecting a clean gas bottle and a physiological saline bottle: the method comprises the steps of butting a quick clamping connector on a gas pipe on a clean gas bottle with a quick clamping connector on a second channel (6) on a multi-channel interface (4), clamping a clamp on the quick clamping connector, enabling the clean gas bottle to be connected with the multi-channel interface (4) through the gas pipe, butting the quick clamping connector on a transfusion pipe on a physiological saline bottle with a quick clamping connector on a first channel (5) on the multi-channel interface (4), clamping the clamp on the quick clamping connector, and enabling the physiological saline bottle to be connected with the multi-channel interface (4) through the transfusion pipe;
s5, conveying fluid: the switch on the infusion tube is turned on, so that normal saline enters the multi-channel interface (4) along the infusion tube, the normal saline in the multi-channel interface (4) enters the whole blood separator blood pipeline along the drainage tube, the whole blood separator blood pipeline is filled with the normal saline, the switch of the infusion tube is turned off, the switch of the air tube is turned on, so that clean air enters the whole blood separator blood pipeline, and the normal saline is pushed out from the other needle.
5. A blood line purification method according to claim 4, characterized in that the fixing ring (28) is mounted on the gasket (12) such that the mating posts (30) on the fixing ring (28) are inserted into the mating holes (31) of the gasket (12), and the gasket (12) is mounted in the second sleeve (11) such that the counter-stepped teeth (29) on the fixing ring (28) face the stepped teeth (14) of the first rotating sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111577292.1A CN114226080B (en) | 2021-12-22 | 2021-12-22 | Blood pipeline purifying device and purifying method of blood separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111577292.1A CN114226080B (en) | 2021-12-22 | 2021-12-22 | Blood pipeline purifying device and purifying method of blood separator |
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| Publication Number | Publication Date |
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| CN114226080A CN114226080A (en) | 2022-03-25 |
| CN114226080B true CN114226080B (en) | 2023-06-09 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2056888A (en) * | 1934-04-12 | 1936-10-06 | American Centrifugal Corp | Centrifugal separating machine |
| US6610002B2 (en) * | 2001-04-09 | 2003-08-26 | Medtronic, Inc. | Method for handling blood sample to ensure blood components are isolated |
| JP4129870B2 (en) * | 2002-10-23 | 2008-08-06 | 日機装株式会社 | Joint for blood purification equipment |
| CN100417428C (en) * | 2003-09-30 | 2008-09-10 | 博奥生物有限公司 | Apparatus and method for centrifugal separation |
| CN107638962A (en) * | 2017-10-17 | 2018-01-30 | 田永胜 | A kind of new medical use blood centrifuge equipment |
| CN211327259U (en) * | 2019-09-23 | 2020-08-25 | 浙江大学医学院附属第一医院 | Simple and easy type blood purifier preflush pipeline |
| CN113730669A (en) * | 2021-09-08 | 2021-12-03 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | Self-disinfection drainage tube after arterial incision and thrombus removal |
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