CN210844962U - Infusion tube connecting structure and bilirubin adsorption extracorporeal circulation pipeline with same - Google Patents
Infusion tube connecting structure and bilirubin adsorption extracorporeal circulation pipeline with same Download PDFInfo
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- CN210844962U CN210844962U CN201921217198.3U CN201921217198U CN210844962U CN 210844962 U CN210844962 U CN 210844962U CN 201921217198 U CN201921217198 U CN 201921217198U CN 210844962 U CN210844962 U CN 210844962U
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- infusion tube
- tube
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- infusion
- transfer line
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Abstract
An infusion tube connecting structure and a bilirubin adsorption extracorporeal circulation pipeline containing the same are used for solving the technical problem that the joint of two infusion tubes is not strong in sealing performance so as to cause easy leakage of a conveying liquid at the joint, and comprise a connecting nozzle which is sealed at the end part of a first infusion tube, the connecting mouth is internally provided with a connecting tube cavity communicated with the first infusion tube, the diameter of the connecting tube cavity increases progressively from inside to outside in a linear way to form a cone shape, the connecting mouth is hermetically constructed at the connector at the end part of the second infusion tube, the connector is internally provided with a liquid circulation channel communicated with the second infusion tube, and the outer contour of the connector is provided with a conical head matched with the connecting tube cavity so as to be sealed and plugged in the connecting nozzle, the utility model has simple structure, the connection operation between the infusion tubes is convenient, and the disconnection of the joint can be prevented, the utility model is mainly used for the sealing connection between the infusion tubes.
Description
Technical Field
The utility model relates to a connect the transfer line and go on to the too high medical field who carries out the absorption treatment of human bilirubin, concretely relates to transfer line connection structure and contain bilirubin absorption extracorporeal circulation pipeline of this structure.
Background
The scientific and technological development continuously provides more humanized and more convenient services for people, the medical science and technological field is also revolutionized, various treatment methods and equipment provide more accurate diagnosis technology for people, and the medical field of China has bright achievements no matter in the diagnosis stage or the treatment stage of diseases.
In most cases, the diagnosis and treatment of diseases need to be performed by means of infusion tubes, which are common medical articles in the medical field, and in the prior art, there are various ways to connect two infusion tubes, wherein in the common way, one end of one of the infusion tubes is connected and communicated with a needle connecting structure, the needle connecting structure is provided with a through hole for infusion, and then the needle connecting structure is inserted into the lumen of the infusion tube through the end of the other infusion tube in an artificial way, so that a liquid medium can flow through one infusion tube during infusion. And is conveyed into the lumen of another infusion tube through the needle connecting structure. This conventional connection method has a major problem: when the flow rate of the liquid medium in the infusion tube is unstable, the needle connecting structure is easy to fall off from the tube cavity of the infusion tube, and most importantly, the connection part between the needle connecting structure and the connected infusion tube is not tightly sealed, so that the liquid medium can flow out of the infusion tube, and external bacteria can be introduced into the infusion tube to cause adverse effects.
In view of the above technical problems, it is desirable to improve the connection structure of the infusion tube, so that the improved connection structure of the infusion tube can ensure that the fluid medium does not flow out of the infusion tube at the joint, and the improved connection structure of the infusion tube can be applied to other devices in the medical treatment field.
SUMMERY OF THE UTILITY MODEL
One of the purposes of the utility model is to provide a connecting structure for the infusion tube, which is not tight in connection between the infusion tubes in the prior art and solves the technical problem that the liquid medium flows out of the infusion tube from the joint in the prior art.
The utility model discloses another purpose is with this kind of improvement structure popularization and application problem on other devices in medical field.
In order to achieve the first objective, the present invention adopts the following technical solutions:
an infusion tube connecting structure for communicating a first infusion tube and a second infusion tube, comprising:
the connecting nozzle is hermetically constructed at the end part of the first infusion tube, a connecting tube cavity communicated with the first infusion tube is formed in the connecting nozzle, and the diameter of the connecting tube cavity is linearly increased from inside to outside to form a cone;
the connector at the end part of the second infusion tube is in a sealing structure, a liquid circulation channel communicated with the second infusion tube is arranged in the connector, and the outer contour of the connector is arranged to be a conical head matched with the connecting tube cavity so as to be sealed and plugged in the connecting nozzle.
The working principle is as follows: the utility model discloses a connection mouth has been sealed closely at the tip of first transfer line to the tip that corresponds at the second transfer line has sealed a connector, and the connection lumen that will connect the mouth has set to the toper structure, and set the connector appearance to and connect the toper structure of mouth cavity adaptation, when connecting first transfer line, second transfer line, only need peg graft the connector in connecting the mouth, the outer wall of connector supports to zonulae occludens on the inner wall of the connection cavity of connecting the mouth this moment, realizes sealing connection.
In order to achieve the second objective, the present invention adopts the following technical solutions:
a bilirubin adsorption extracorporeal circulation pipeline with a perfusion tube connection structure comprises an arterial blood drainage tube, a plasma separator, a third perfusion tube, a venous pot and an arterial blood return tube which are sequentially connected according to a blood drainage path, blood is led out from the drainage tube and led in from the return tube, a blood pump is arranged on the drainage tube, a bilirubin adsorption column is arranged between the plasma separator and the venous pot, a perfusion tube connection structure is connected between the bilirubin adsorption column and the plasma separator, a first perfusion tube and a second perfusion tube in the perfusion tube connection structure are respectively and correspondingly connected with the plasma separator and the bilirubin adsorption column or respectively and correspondingly connected with the bilirubin adsorption column and the plasma separator, a blood pulp pump for leading plasma out from the plasma separator is arranged on the perfusion tube connection structure, and a perfusion tube connection structure is also connected between the bilirubin adsorption column and the venous pot, and a first infusion tube and a second infusion tube in the infusion tube connecting structure are respectively and correspondingly connected with the bilirubin adsorption column and the venous pot or respectively and correspondingly connected with the venous pot and the bilirubin adsorption column.
The working principle is as follows: draw forth in proper order to the route of backward flow to internal from the human body according to blood drainage tube, blood pump, plasma separator, third transfer line, vein kettle and back flow, later be in set up bilirubin adsorption column between plasma separator, the vein kettle, and set up between plasma separator, bilirubin adsorption column transfer line connection structure specifically realizes the connection to first transfer line, second transfer line with the help of connecting mouth and connector cooperation grafting, later connects first transfer line, second transfer line respectively on plasma separator, bilirubin adsorption column, perhaps connects first transfer line, second transfer line respectively on bilirubin adsorption column, plasma separator. The bilirubin adsorption column and the venous pot are also provided with the transfusion tube connecting structure, and specifically, the connection of the first transfusion tube and the second transfusion tube is realized by means of the matching and splicing of the connecting nozzle and the connector, and then the first transfusion tube and the second transfusion tube are respectively connected to the bilirubin adsorption column and the venous pot, or the first transfusion tube and the second transfusion tube are respectively connected to the venous pot and the bilirubin adsorption column. The installation is completed, and the specific adsorption process is as follows: leading out blood from an artery of a human body by a blood pump, sequentially passing through a drainage tube and a plasma separator, separating the blood passing through the plasma separator into a plasma part and a residual part without plasma in the blood, conveying the plasma part into a bilirubin adsorption column through the liquid conveying tube connecting structure, adsorbing excessive bilirubin in the plasma by the bilirubin adsorption column, conveying the plasma subjected to adsorption treatment into a venous pot through the liquid conveying tube connecting structure between the bilirubin adsorption column and the venous pot again, and then conveying the plasma into the human body through a return tube again; the part of blood which does not contain plasma after passing through the plasma separator directly passes through a third infusion tube to enter a venous pot, and finally flows into a return tube to be sent to the human body.
The utility model discloses simple structure adopts the sealed principle of toper grafting between connection mouth, the connector to connect between first transfer line, the second transfer line, and structural principle and cost of manufacture are lower to it is also comparatively convenient to connect the operation to first transfer line, second transfer line.
The utility model has the advantages that:
the utility model discloses establish the connection lumen internal diameter of connecting the mouth to linear change to establish the connector appearance into with the linear change of being connected lumen internal diameter adaptation, when the installation, peg graft the connector in connecting the mouth, connector circumference outer wall and the circumference inner wall butt of being connected the lumen of connecting the mouth have sealed this moment, guaranteed the leakproofness of connecting between first transfer line, the second transfer line, thereby prevent that fluid medium from revealing.
The infusion tube connecting structure is applied to other devices in the medical field, no matter a diagnosis device or a treatment device, the utility model can be adopted to replace the part which needs to connect two infusion tubes tightly, thereby greatly reducing the technical problem that the device leaks the conveying liquid in the medical field in the application process, and improving the applicability and the accuracy of the medical device.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the bilirubin adsorption unit;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic view of the connection of the threaded sleeve and the second infusion tube.
Description of reference numerals: a first infusion tube, b a second infusion tube, 1 connecting nozzle, 2 connecting tube cavity, 3 connectors, 4 liquid circulation channels, 5 connecting caps, 6 limiting plates, 7 through holes, 8 liquid feeding and supplementing tubes, 9 drainage tubes, 10 plasma separators, 11 third infusion tubes, 12 venous kettles, 13 return tubes, 14 blood pumps, 15 bilirubin adsorption columns, 16 plugs, 17 plasma pumps, 18 arterial kettles, 19 anticoagulant input tubes and 20 threaded sleeves.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:
example one
As shown in figure 1, an infusion tube connecting structure is used for communicating a first infusion tube a and a second infusion tube b, the connection mouth 1 and the connection head 3 are arranged at the end part of the second infusion tube b, the connection mouth 1 is internally provided with a connection tube cavity 2 communicated with the first infusion tube a, the diameter of the connection tube cavity 2 is linearly increased from inside to outside to form a cone, a liquid circulation channel 4 communicated with the second infusion tube b is arranged inside the connection head 3, the outer contour of the connection head 3 is arranged to be a cone head matched with the connection tube cavity 2, the connection mouth 1 is plugged in a sealing manner, the connection head 3 and the connection mouth 1 are connected in a conical plugging manner, the connection tightness between the connection head 3 and the connection mouth 1 can be ensured, and when the flow rate of a fluid medium in the liquid circulation channel 4 is large, at this time, the fluid medium generates an outward pressure on the connector 3, so that the sealing performance of the insertion connection between the connector 3 and the connector 1 can be further ensured.
Connect mouth 1 for sealed grafting at the connecting pipe of first transfer line a tip, the first transfer line a tip at place is stretched out to this connecting pipe at least some and be equipped with the external screw thread on the circumference outer wall of this part, connector 3 establishes the conical shell on second transfer line b tip outer wall by airtight cover and constitutes and its liquid circulation passageway 4 comprises second transfer line b's infusion passageway, the peripheral spacing connecting cap 5 of conical shell circumference, should connect cap 5 and rotate to set up on second transfer line b and the inner wall is equipped with the internal thread, 3 jam of connector are when connecting mouth 1, connecting cap 5 with connect 1 threaded connection of mouth. The tip of second transfer line b reserves some pipeline sections as sending liquid benefit pipe 8 in the front end of connector 3, when connector 3 blockked up in connector 1, this send liquid benefit pipe 8 to pass connector 1's connection lumen 2 and communicate with first transfer line a. The liquid feeding and supplementing pipe 8 is provided, so that the fluid medium can be further directly conveyed into the connecting lumen 2 of the first infusion tube a, and the leakage of the fluid medium can be further avoided. The corner that second transfer line b circumference lateral wall formed with the toper big end of connector 3 is fixed with the limiting plate 6 that is used for preventing to connect cap 5 to drop, connect cap 5 and rotate the setting through wearing to establish hole 7 and include limiting plate 6 and connector 3 all including on second transfer line b. Will after connector 3, the installation of pegging graft of connecting mouth 1, carry out threaded connection with the help of connecting cap 5 and being connected between the mouth 1 to can further guarantee connector 3 can't deviate from in the connecting mouth 1, has guaranteed the leakproofness of connecting, in addition, when threaded connection, will connect cap 5 and second transfer line b and rotate and be connected, has avoided causing distortion rotation to second transfer line b when precession is connected cap 5, thereby guarantees that fluid medium can pass through second transfer line b smoothly.
As shown in fig. 1 and fig. 2, a bilirubin adsorption extracorporeal circulation pipeline with a perfusion tube connection structure comprises an arterial blood drainage tube 9, a plasma separator 10, a third perfusion tube 11, a venous pot 12 and an arterial blood return tube 13 which are connected in sequence according to a blood drainage path, blood is led out from the drainage tube 9 and led in from the return tube 13, a blood pump 14 is arranged on the drainage tube 9, an arterial pot 18 is further arranged on the drainage tube 9, an anticoagulant input tube 19 which can inject blood anticoagulant into the drainage tube 9 in one way is arranged on the drainage tube 9 and between the blood pump 14 and the arterial pot 18, a plug 16 is arranged on the plasma separator 10, the plug 16 is used for plugging a redundant interface on the plasma separator 10, a bilirubin adsorption column 15 is arranged between the plasma separator 10 and the venous pot 12, and a perfusion tube connection structure is connected between the bilirubin column 15 and the plasma separator 10, and a first infusion tube a and a second infusion tube b in the infusion tube connecting structure are respectively and correspondingly connected with a bilirubin adsorption column 15 and a plasma separator 10, the second infusion tube b is provided with a plasma pump 17, as shown in fig. 4, the circumferential outer wall of the end part of the connecting end of the second infusion tube b and the plasma separator 10 is provided with an external thread, the plasma separator 10 is communicated with a threaded sleeve 20 connected with the second infusion tube b, the circumferential inner wall of the threaded sleeve 20 is provided with an internal thread, when the second infusion tube b is connected with the plasma separator 10, the end part of the second infusion tube b with the external thread is screwed into the threaded sleeve 20, so that the connection and conduction between the second infusion tube b and the plasma separator 20 are completed, a connecting structure is also connected between the bilirubin adsorption column 15 and the venous kettle 12, and the first infusion tube a in the infusion tube connecting structure, The second infusion tube b is correspondingly connected with the venous pot 12 and the bilirubin absorption column 15 respectively.
Example two
As shown in fig. 3, a transfusion tube connecting structure for connecting a first transfusion tube a and a second transfusion tube b
Sealed structure is in the connection mouth 1 and the sealed structure of first transfer line a tip are in the connector 3 of second transfer line b tip is constituteed, 1 inside connection mouth has the connection lumen 2 with first transfer line a intercommunication, and should connect the diameter of lumen 2 and be linear increasing progressively from inside to outside and form the toper, 3 inside liquid circulation passageways 4 that have with second transfer line b intercommunication of connector, and the outline of this connector 3 sets up to the conical head with be connected 2 looks adaptations of lumen to sealed jam is in connection mouth 1. Connect mouth 1 for airtight grafting at the connecting pipe of first transfer line a tip, this connecting pipe at least some stretch out the first transfer line a tip at place and be equipped with the external screw thread on this part's circumference outer wall, connector 3 is managed the conical structure of outer wall bodiness by the partly pipeline section that is located second transfer line b tip and is formed and its liquid circulation passageway 4 comprises second transfer line b's infusion passageway, 3 peripheral spacing connecting cap 5 of connector circumference, should connect cap 5 to rotate and set up on second transfer line b and the inner wall is equipped with the internal thread, 3 blockings up of connector are when connecting mouth 1, connecting cap 5 and 1 threaded connection of connecting mouth.
The corner that second transfer line b circumference lateral wall formed with the toper big end of connector 3 is fixed with the limiting plate 6 that is used for preventing to connect cap 5 to drop, connect cap 5 and rotate the setting through wearing to establish hole 7 and include limiting plate 6 and connector 3 all including on second transfer line b. The tip of second transfer line b reserves some pipeline sections as sending liquid benefit pipe 8 in the front end of connector 3, when connector 3 blockked up in connector 1, this send liquid benefit pipe 8 to pass connector 1's connection lumen 2 and communicate with first transfer line a.
The working principle is as follows: the connection process of the first infusion tube a and the second infusion tube b is as follows: will connector 3 is aimed at and is connected mouth 1 and aim at the connection lumen 2 of being connected mouth 1, later with connector 3 tentatively peg graft in connecting lumen 2, then will connect cap 5 to aim at the outer end of being connected mouth 1 and rotate and connect cap 5 and make and connect cap 5 and be connected 1 threaded connection of mouth, the in-process of the continuous rotation precession of connecting cap 5, connector 3 constantly removes and supports tightly to connecting lumen 2, and it is sealed to realize in connecting lumen 2 until connector 3 supports tightly, can stop the precession to connecting cap 5 this moment, accomplishes the sealing connection between first transfer line a, second transfer line b from this.
When installing the bilirubin adsorption equipment who contains transfer line connection structure, at first according to the route that blood flowed through, connect drainage tube 9, plasma separator 10, third transfer line 11, venous pot 12 and back flow pipe 13 in proper order to set up blood pump 14 on drainage tube 9, later set up bilirubin adsorption column 15 between plasma separator 10, venous pot 12, and set up transfer line connection structure between plasma separator 10, bilirubin adsorption column 15, and set up transfer line connection structure between bilirubin adsorption column 15, venous pot 12 equally, specific connection process is exactly: firstly, the first infusion tube a and the second infusion tube b are in sealed insertion connection through the connector 3 and the connecting nozzle 1, then the other end of the first infusion tube a is connected with the plasma separator 10, and the other end of the second infusion tube b is connected with the bilirubin adsorption column 15. Similarly, after the first infusion tube a and the second infusion tube b are connected, the other end of the first infusion tube a is connected with the bilirubin adsorption column 15, and the other end of the second infusion tube b is connected with the venous pot 12.
The blood is drained into a drainage tube 9 under the action of a blood pump 14, then the blood enters a plasma separator 10, the blood is divided into two parts after passing through the plasma separator 10, wherein one part is the blood plasma, the other part is the part of the blood from which the blood plasma is removed, the separated blood plasma passes through a bilirubin adsorption column 15, the bilirubin adsorption column 15 adsorbs the high bilirubin in the blood plasma, the blood plasma after adsorption treatment flows into a venous pot 12, and then flows back to the human body through a return tube 13; the remaining blood plasma-removed part flows through the third infusion tube 11 to the venous pot 12 and finally flows through the return tube 13 to the human body, thereby completing the adsorption treatment of the excess bilirubin in the blood.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. An infusion tube connecting structure for communicating a first infusion tube (a) and a second infusion tube (b), characterized in that: the method comprises the following steps:
a connecting nozzle (1) which is hermetically constructed at the end part of the first infusion tube (a), wherein a connecting tube cavity (2) communicated with the first infusion tube (a) is arranged in the connecting nozzle (1), and the diameter of the connecting tube cavity (2) is gradually increased linearly from inside to outside to form a cone;
the connector (3) is arranged at the end part of the second infusion tube (b) in a sealing structure, a liquid circulation channel (4) communicated with the second infusion tube (b) is arranged in the connector (3), and the outer contour of the connector (3) is arranged to be a conical head matched with the connecting tube cavity (2) so as to be sealed and plugged in the connecting nozzle (1).
2. An infusion tube connecting structure according to claim 1, wherein: the connecting nozzle (1) is a connecting pipe which is hermetically inserted at the end part of the first infusion tube (a), at least one part of the connecting pipe extends out of the end part of the first infusion tube (a) and is provided with external threads on the circumferential outer wall of the part;
connector (3) are established the conical shell on second transfer line (b) tip outer wall by airtight cover and are constituted and its liquid circulation passageway (4) by the infusion passageway of second transfer line (b) and constitute, peripheral spacing connecting cap (5) of conical shell circumference, should connect cap (5) to rotate and set up on second transfer line (b) and the inner wall is equipped with the internal thread, connector (3) block up when connecting mouth (1) in, connect cap (5) and be connected mouth (1) threaded connection.
3. An infusion tube connecting structure according to claim 1, wherein: the connecting nozzle (1) is a connecting pipe which is hermetically inserted at the end part of the first infusion tube (a), at least one part of the connecting pipe extends out of the end part of the first infusion tube (a) and is provided with external threads on the circumferential outer wall of the part;
connector (3) are managed the tapered structure of outer wall bodiness by the partly pipeline section that is located second transfer line (b) tip and are formed and its liquid circulation passageway (4) comprises the infusion passageway of second transfer line (b), connector (3) peripheral spacing connecting cap (5) of circumference, should connect cap (5) to rotate to set up on second transfer line (b) and the inner wall is equipped with the internal thread, connector (3) block up when connecting mouth (1), connect cap (5) and be connected mouth (1) threaded connection.
4. An infusion tube connecting structure according to claim 2 or 3, wherein: the corner that second transfer line (b) circumference lateral wall formed with the toper big end of connector (3) is fixed with limiting plate (6) that are used for preventing to connect cap (5) and drop, connect cap (5) and rotate through wearing to establish hole (7) and set up on second transfer line (b) after with limiting plate (6) and connector (3) all bag including.
5. An infusion tube connecting structure according to claim 2 or 3, wherein: the tip of second transfer line (b) reserves some pipeline sections as sending liquid benefit pipe (8) at the front end of connector (3), when connector (3) blockked up in connecting mouth (1), should send liquid benefit pipe (8) to pass connecting lumen (2) of connecting mouth (1) and communicate with first transfer line (a).
6. A bilirubin adsorbing extracorporeal circulation circuit comprising the infusion line connector structure of any one of claims 1-5, wherein: comprises an arterial blood drainage tube (9), a plasma separator (10), a third infusion tube (11), a venous pot (12) and an arterial blood return tube (13) which are sequentially connected according to a blood drainage path, blood is led out from the drainage tube (9) and led in from the return tube (13), a blood pump (14) is arranged on the drainage tube (9), a bilirubin adsorption column (15) is arranged between the plasma separator (10) and the venous pot (12), an infusion tube connecting structure is connected between the bilirubin adsorption column (15) and the plasma separator (10), a first infusion tube (a) and a second infusion tube (b) in the infusion tube connecting structure are respectively and correspondingly connected with the plasma separator (10) and the bilirubin adsorption column (15) or respectively and correspondingly connected with the bilirubin adsorption column (15) and the plasma separator (10), and a blood pump (17) for leading plasma out from the plasma separator (10) is arranged on the infusion tube connecting structure, an infusion tube connecting structure is also connected between the bilirubin adsorption column (15) and the venous pot (12), and a first infusion tube (a) and a second infusion tube (b) in the infusion tube connecting structure are respectively and correspondingly connected with the bilirubin adsorption column (15) and the venous pot (12) or respectively and correspondingly connected with the venous pot (12) and the bilirubin adsorption column (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217198.3U CN210844962U (en) | 2019-07-31 | 2019-07-31 | Infusion tube connecting structure and bilirubin adsorption extracorporeal circulation pipeline with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921217198.3U CN210844962U (en) | 2019-07-31 | 2019-07-31 | Infusion tube connecting structure and bilirubin adsorption extracorporeal circulation pipeline with same |
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| Publication Number | Publication Date |
|---|---|
| CN210844962U true CN210844962U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921217198.3U Expired - Fee Related CN210844962U (en) | 2019-07-31 | 2019-07-31 | Infusion tube connecting structure and bilirubin adsorption extracorporeal circulation pipeline with same |
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| CN (1) | CN210844962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494759A (en) * | 2020-11-26 | 2021-03-16 | 张国新 | Safe and efficient pediatric medical emergency atomizer |
-
2019
- 2019-07-31 CN CN201921217198.3U patent/CN210844962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494759A (en) * | 2020-11-26 | 2021-03-16 | 张国新 | Safe and efficient pediatric medical emergency atomizer |
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Granted publication date: 20200626 Termination date: 20210731 |