JP2018134314A - Fluid body transfer tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fluid body transfer tool capable of easily transferring a fluid body from one side to the other side.SOLUTION: There is provided a fluid body transfer tool 10 for transferring a fluid body R for medical care or for eating and drinking from one side A to the other side B, comprising: a fluid body extrusion part 11 which is extended and contracted to feed the fluid body R from the one side A to the other side B; an operation part 90 for operating extension and contraction of the fluid body extrusion part 11; a first valve 40 which is provided on the one side A, allows inflow of the fluid body R to the fluid body extrusion part 11 and does not allow outflow of the fluid body R from the fluid body extrusion part 11; and a second valve 50 which is provided on the other side B, allows outflow of the fluid body R from the fluid body extrusion part 11 and does not allow inflow of the fluid body R to the fluid body extrusion part 11. By operating the operation part 90 to extend the fluid body extrusion part 11, the first valve 40 is opened to make the fluid body R flow into the fluid body extrusion part 11 from the one side A, and then by operating the operation part 90 to contract the fluid body extrusion part 11, the second valve 50 is opened to feed the fluid body R from the fluid body extrusion part 11 to the other side B.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a fluid transfer device for transferring a fluid for medical use or eating and drinking.

  Medical liquid enteral nutrients or various liquid foods, or fluids obtained by solidifying, gelling, or solling them must be stored in a flexible and liquid-tight fluid container. There are many. Here, when the fluid is exposed to the air, it oxidizes and the components are altered, and the efficacy as a drug may be reduced or deteriorated, the taste may be changed, or it may be spoiled. Therefore, conventionally, a fluid container having a fluid container formed of a liquid-tight material and an oxygen-impermeable material is known (see, for example, Patent Document 1).

JP 2003-135563 A

  Here, when the fluid is taken out from the fluid container as described in Patent Document 1 and is sent and injected into another container or a human body, a tube is inserted into the container, and the container is pushed and pushed out through the tube. It was like that. However, when the fluid is highly viscous, there are cases where it is difficult to remove the fluid from the container, which has been a problem.

  This invention is made | formed in view of said problem, and makes it the subject to provide the fluid transfer instrument which can transfer a fluid easily from the other side to the other side.

  In order to solve such a problem, the invention according to claim 1 is a fluid transfer device for transferring a fluid for medical or eating and drinking from one side to the other side, and by extending and contracting, the one side A fluid extruding part for sending the fluid from the other side, an operating part for operating expansion and contraction of the fluid extruding part, and an inflow of the fluid into the fluid extruding part disposed on the one side And a first valve that does not allow the fluid to flow out of the fluid extruding part, and is disposed on the other side to allow the fluid to flow out of the fluid extruding part and to allow the fluid to flow out. A second valve that does not allow the fluid to flow into the extruding part, and by operating the operating part to extend the fluid extruding part, the first valve opens and the first side opens from the one side. A fluid is allowed to flow into the fluid extrusion section and then the manipulation The fluid extruding part is operated to contract the fluid extruding part to open the second valve so as to send out the fluid from the fluid extruding part to the other side. Features.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the fluid extruding part includes a first fluid extruding part disposed on the one side and a second fluid disposed on the other side. The first valve is disposed on the one side of the first fluid extruding part, and the second valve and the operating part are the first fluid extruding part and the first fluid extruding part. It is arranged between two fluid extruding parts, and is configured to expand and contract each of the first fluid extruding part and the second fluid extruding part by operating the operating part, and operating the operating part Then, by extending the first fluid extruding part, the first valve opens to allow the fluid to flow into the first fluid extruding part from the one side, and then the second fluid extruding part is elongated. The second valve is operated by operating the operation portion in a state of being made to contract the first fluid extruding portion. The second fluid extrusion unit is opened by opening the fluid from the first fluid extrusion unit to the second fluid extrusion unit and then operating the operation unit to contract the second fluid extrusion unit. A fluid transfer device configured to send out the fluid from the section to the other side is characterized in that

  The invention described in claim 3 is characterized in that, in addition to the configuration described in claim 1, the fluid extruding part is a fluid transferring device having a bellows shape.

  According to a fourth aspect of the present invention, in addition to the configuration of the second aspect, at least one of the first fluid holding part and the second fluid pushing part is a fluid transfer device having a bellows shape. It is characterized by that.

  According to a fifth aspect of the invention, in addition to the configuration of the second or fourth aspect, a fixed width is maintained from the one side of the first fluid extruding part to the other side of the second fluid extruding part. The first fluid extruding unit and the second fluid extruding unit are alternately expanded and contracted by holding the fixed width in the fixing unit when the operation unit is operated. The first fluid extruding part is extended by operating the operation part and the second fluid extruding part is contracted to open the first valve so that the fluid is introduced from the one side. Then, the second valve is opened by causing the first fluid extruding part to flow into the first fluid extruding part and then operating the operation part to contract the first fluid extruding part and extend the second fluid extruding part. Sending out the fluid from the first fluid extrusion part to the second fluid extrusion part Then, the operation unit is operated to extend the first fluid extruding unit and to contract the second fluid extruding unit so that the fluid is sent out from the second fluid extruding unit to the other side. It is set as the fluid transfer instrument comprised by this.

  According to a sixth aspect of the present invention, in addition to the configuration according to the fifth aspect, the fixed portion is a fluid configured to be detachable from the first fluid extruding portion and the second fluid extruding portion. It is characterized by being a transfer device.

  The invention described in claim 7 is characterized in that, in addition to the configuration described in claim 1 or 3, the operation section is a fluid transfer device integrally formed with the fluid extrusion section.

  In addition to the structure in any one of Claim 2, 4 thru | or 6, the said operation part is integrated with the said 1st fluid extrusion part and / or the said 2nd fluid extrusion part. It is characterized by being a molded fluid transfer device.

  According to the first aspect of the present invention, the fluid can be easily transferred from one side to the other side simply by expanding and contracting the fluid extruding unit with the operation unit.

  According to invention of Claim 2, the fluid extrusion part has the 1st fluid extrusion part and the 2nd fluid extrusion part, the operation part is arranged between both, In the configuration in which both are alternately expanded and contracted by operation and the fluid is transferred from one side to the other, the second fluid extruding portion is provided on the other side of the operation portion, so that the fluid is sent out to the other side. The fluid can be transferred more stably.

  According to the third and fourth aspects of the present invention, since at least one of the fluid extruding part, the first fluid extruding part, and the second fluid extruding part has an accordion shape, the elastic operation is stable and reliable. It can be performed.

  According to invention of Claim 5, it has a fixing | fixed part which hold | maintains a 1st fluid extrusion part and a 2nd fluid extrusion part to fixed width, The 1st fluid is within the width | variety of the fixing | fixed part. Since the extruding part and the second fluid extruding part are alternately expanded and contracted, the expansion and contraction operation can be performed more stably in a state where the entire width is fixed. Transfer can be performed.

  According to invention of Claim 6, since the fixing | fixed part is detachable, a fluid does not remain on one side, but a fluid exists in a 1st fluid extrusion part or a 2nd fluid extrusion part. When the state remains, the fixing part can be removed and the fluid can be squeezed out to the other side. As a result, almost all of the fluid can be reliably transferred to the other side without leaving the fluid on one side.

  According to the seventh and eighth aspects of the invention, since the operation part is integrally formed with any one of the fluid extruding part, the first fluid extruding part, and the second fluid extruding part, the number of parts is reduced and the efficiency is increased. A fluid transfer device can be manufactured well.

It is a front view of the fluid transfer instrument which concerns on Embodiment 1 of this invention. FIG. 3 is an exploded view of the fluid transfer device according to the first embodiment. It is a front view of the fixing | fixed part of the fluid transfer instrument which concerns on the same Embodiment 1. FIG. FIG. 2 is a cross-sectional view of FIG. 1 in the fluid transfer device according to the first embodiment. FIG. 3 is a cross-sectional view of FIG. 2 in the fluid transfer device according to the first embodiment. It is a left view of the fixing | fixed part of the fluid transfer instrument which concerns on the same Embodiment 1. FIG. It is a right view of the fixing | fixed part of the fluid transfer instrument which concerns on the same Embodiment 1. FIG. It is a front view which shows the state before attaching the fluid transfer instrument which concerns on the same Embodiment 1 to a fluid accommodation container. It is a front view which shows the state which attached the fluid transfer instrument which concerns on the same Embodiment 1 to a fluid accommodation container, extended the 1st fluid extrusion part, and contracted the 2nd fluid extrusion part. It is a front view which shows the state which contracted the 1st fluid extrusion part of the fluid transfer instrument which concerns on the same Embodiment 1, and extended the 2nd fluid extrusion part. It is a front view which shows the state which removed the fixing | fixed part from the fluid transfer instrument which concerns on the same Embodiment 1, and contracted the 1st fluid extrusion part and the 2nd fluid extrusion part. It is a front view of the modification of the fluid transfer instrument concerning the first embodiment. It is an exploded view of the modification of the fluid transfer instrument concerning the first embodiment. It is a front view of the modification of the fixing | fixed part of the fluid transfer instrument which concerns on the same Embodiment 1. FIG. It is a front view which shows the state which attached the modification of the fluid transfer instrument which concerns on the same Embodiment 1 to the fluid storage container, contracted the 1st fluid extrusion part, and extended the 2nd fluid extrusion part. It is a front view of the fluid transfer instrument which concerns on Embodiment 2 of this invention. It is an exploded view of the fluid transfer instrument concerning the second embodiment. It is a front view which shows the state before attaching the fluid transfer instrument which concerns on the same Embodiment 2 to a fluid accommodation container. It is a front view which shows the state which attached the fluid transfer instrument which concerns on the same Embodiment 2 to the fluid accommodation container, and extended the fluid extrusion part. It is a front view which shows the state which contracted the fluid extrusion part of the fluid transfer instrument which concerns on the same Embodiment 2. FIG. It is a front view of the modification of the fluid transfer instrument concerning the second embodiment. It is an exploded view of the modification of the fluid transfer instrument concerning the second embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Embodiment 1 of the Invention
1 to 11 show an embodiment of the present invention.

  The fluid transfer device 10 according to this embodiment is attached to a fluid container 100 that stores a medical or eating fluid R that has undergone a retort process, for example, and the fluid R is taken out to another container (not shown). ) Or a human body (not shown). Specifically, the fluid R for medical use or eating and drinking may be a liquid enteral nutrient or various liquid foods, or those obtained by solidifying, gelling or solling them. However, the fluid R may be anything other than that. Further, the fluid container 100 may be an appropriate container.

  As shown in FIGS. 1, 2, 4, and 5, the fluid transfer device 10 includes the fluid extruding unit 11, the first valve 40, the second valve 50, the operation unit 90, the injection unit 60, and the extraction unit 70. These are assembled and integrated. Further, the fluid transfer device 10 of this embodiment has a fixing portion 80 as shown in FIGS. 3, 6, and 7, and is attached as shown in FIG. Details will be described below.

  The injection part 60 is attached and fixed to the fluid container 100 disposed on the one side A, and allows the fluid R to flow into the fluid extrusion part 20 side which is the other side B. The injecting portion 60 has a piercing portion 61 on one side A that has a cylindrical shape that pierces the fluid outlet port 101 of the fluid container 100 and opens a hole, and the tip is cut obliquely. Similarly, around the piercing portion 61 on the one side A of the injection portion 60, a first internal screw portion 62 is provided outside a predetermined space. Then, with the piercing portion 61 pierced into the fluid container 100, the first inner screw portion 62 is screwed into the container outer screw portion 102 provided around the fluid outlet 101 of the fluid container 100. By doing so, the injection part 60 is attached to the fluid container 100. Moreover, the other inner side B of the injection | pouring part 60 is equipped with the 2nd internal thread part 65 for attaching to the 1st fluid extrusion part 20 mentioned later.

  The fluid extruding part 11 of this embodiment has two parts, a first fluid extruding part 20 and a second fluid extruding part 30. Each of the first and second fluid extruding parts 20 and 30 is hollow and has an accordion shape, and is extendable with respect to one side A and the other side B. Then, the fluid R is introduced and held by extending, and the held fluid R is caused to flow out by contracting.

  Specifically, as shown in FIGS. 2, 4, and 5, the first fluid extruding part 20 is provided at the end of one side A of the first bellows part 21 that holds the fluid R in a hollow state. The first outer threaded portion 22 and the third inner threaded portion 23 provided at the end of the other side B of the first bellows portion 21 are provided. The first outer screw portion 22 is screwed with the second inner screw portion 65 of the injection portion 60, and the third inner screw portion 23 is the second of the second fluid extruding portion 30 described later. The outer screw part 32 is screwed together. A partition plate 24 is provided at the boundary between the first bellows portion 21 and the third inner screw portion 23. A thin hole 25 is provided at the center of the partition plate 24.

  Further, as shown in FIGS. 2, 4, and 5, the second fluid extruding part 30 has a second bellows part 31 that holds the fluid R in the same hollow as the first fluid extruding part 20, and one side thereof. It has the 2nd external thread part 32 provided in the edge part of A. As shown in FIG. In addition, at the end portion on the other side B of the second bellows portion 31, a pouring portion 70 that guides the fluid R pushed out from the fluid extruding portion 11 to a container, a human body, or the like on the other side B is provided. The extraction portion 70 of this embodiment is formed in a tapered shape so as to enter a hole (not shown) provided in the human body for gastric fistula. Furthermore, the extraction part 70 of this embodiment is formed by integral molding with the second fluid extruding part 30. The second outer threaded portion 32 is screwed with the third inner threaded portion 23 of the first fluid extruding portion 20 described above.

  Further, the first valve 40 is disposed between the injection part 60 on one side A of the fluid extruding part 11 and on one side A of the first fluid extruding part 20 in this embodiment. The first valve 40 is provided with a tongue-shaped first valve body 41 at the center of the first peripheral edge 42. And as shown in FIG. 4, the 1st peripheral part 42 is the front-end | tip 26 of the 1st external thread part 22 of the one side A of the 1st fluid extrusion part 20, and the other side B of the cylindrical part 63 of the injection | pouring part 60. It is held at this position by being sandwiched by the peripheral edge 64 of the tip. Further, the first valve body 41 is configured such that the peripheral edge 64 at the tip of the other side B of the tubular portion 63 having a diameter smaller than that of the first valve body 41 in the injection portion 60 is suppressed from the one side A. As a result, the first valve 40 does not open to one side A as shown by the solid first valve body 41 in FIG. 4 and the other side B as shown by the two-dot chain first valve body 41 in FIG. There is a check valve that opens.

  Further, the second valve 50 is disposed between the first valve 40 and the second fluid extruding part 30 on the other side B of the first fluid extruding part 20 in this embodiment. . Similar to the first valve 40, the second valve 50 is provided with a tongue-like second valve body 51 at the center of the second peripheral edge 52. And the 2nd peripheral part 52 is provided in the other side B of the front-end | tip 33 of the 2nd external thread part 32 of the one side A of the 2nd fluid extrusion part 30, and the 1st bellows part 21 of the 1st fluid extrusion part 20. It is held at the position by being sandwiched between the partition plates 24 having the holes 25. Further, with respect to the second valve body 51, the partition plate 24 having a hole 25 having a diameter smaller than that of the second valve body 51 in the second fluid extruding part 30 from one side A is suppressed. Accordingly, the second valve 50 does not open to one side A as shown by the solid second valve body 51 in FIG. 4, and the other side B as shown by the two-dot chain second valve body 51 in FIG. 4. There is a check valve that opens.

  Moreover, the operation part 90 operates expansion / contraction of the fluid extrusion part 11, and is arrange | positioned between the 1st fluid extrusion part 20 and the 2nd fluid extrusion part 30 in this embodiment. The first fluid extruding unit 20 and the second fluid extruding unit 30 are alternately expanded and contracted by alternately moving the one side A and the other side B. Moreover, in this embodiment, it is formed in one lever shape (bar shape), and is formed so that an operator can pinch and move easily.

  Moreover, in this embodiment, the operation part 90 is integrally formed with the first fluid extruding part 20, and the operation part 90 arranged as shown in FIG. 2 is folded to make a hole 92 in the center. The thin plate portion 91 is passed between the first fluid extruding part 20 and the second fluid extruding part 30 and is held in a predetermined direction. The operation unit 90 is not limited to a single lever shape as shown in the figure, and two lever-shaped members are arranged so as to extend in a symmetric direction, and this is operated. Also good. Furthermore, you may form in other shapes, such as an annular shape, for example.

  Moreover, the fixing | fixed part 80 is a frame member of predetermined shape as shown to FIG.3,6,7, and as shown in FIG. 8, one side A of the 1st fluid extrusion part 20 and 2nd fluid extrusion The fluid extruding part 11 is placed so that the other side B of the part 30 is arranged inside. Specifically, as shown in FIGS. 3, 6, and 7, the fixing portion 80 has an arc shape and a first ring portion 81, a second ring portion 82, and a third ring portion 83 that are partially spaced, and are substantially straight. Each of them is connected to one member. And as shown in FIG. 8, the 1st ring part 81 is covered so that it may be located outside the edge part of the other side B of the 2nd bellows part 31 of the 2nd fluid extrusion part 30, and the 2nd ring part 82 is covered. Is placed on the outer side of the end portion on one side A of the first bellows portion 21 of the first fluid extruding portion 20, and the third ring portion 83 is placed on the one side A end of the large diameter portion of the injection portion 60. Put it on the inside of the part. Thereby, the total width of the 1st fluid extrusion part 20 and the 2nd fluid extrusion part 30 can be made into fixed width L. As a result, when the operation unit 90 is moved to the other side B which is the direction in which the first fluid extruding unit 20 is extended by holding the operation unit 90, the second fluid extruding unit inevitably restrained by the fixing unit 80. 30 is contracted, and conversely, when the operation unit 90 is moved to one side A, which is the direction in which the first fluid extruding unit 20 is contracted, by holding the operation unit 90, the first is inevitably held by the fixing unit 80. The two-fluid extrusion part 30 extends. The fixing unit 80 is configured to be detachable from the fluid extruding unit 11.

  Next, the procedure for using the fluid transfer device 10 of this embodiment will be described with reference to FIGS.

  First, as shown in FIG. 8, the injection part 60 of the fluid transfer device 10 faces the fluid outlet 101 of the fluid container 100, and as shown in FIG. The outlet 101 is pierced and screwed to hold and fix. Then, once the operating unit 90 is moved to one side A as shown in FIG. 10 and then the operating unit 90 is moved to the other side B as shown in FIG. 9, the first fluid extruding unit 20 is expanded. Then, the second fluid extruding part 30 contracts. Then, the second valve 50 is not opened, and only the first valve 40 is opened under a negative pressure, so that the fluid R in the fluid container 100 is filled into the first fluid pusher 20 through the first valve 40. Is done.

  Next, as shown in FIG. 10, when the operation unit 90 is moved to one side A, the first fluid extruding unit 20 contracts and the second fluid extruding unit 30 extends. Then, the first valve 40 is not opened, and the second valve 50 is opened by the pressure of the fluid R, and as a result, the fluid R moves from the first fluid pusher 20 to the second fluid pusher 30.

  Then, as shown in FIG. 9, when the operation part 90 is moved to the other side B, the 1st fluid extrusion part 20 will expand | extend, and the 2nd fluid extrusion part 30 will shrink | contract. Then, since the 2nd valve 50 does not open, the fluid R in the 2nd fluid extrusion part 30 is sent out to the other side B through the extraction | pouring part 70. FIG. At the same time, a negative pressure is generated in the first fluid extruding unit 20 and the fluid R is sent out from the fluid container 100.

  By repeating this, the fluid R in the fluid container 100 can be efficiently and simply transferred to the other side B simply by moving the operation unit 90 alternately to the one side A and the other side B. it can.

  When the fluid R is almost gone in the fluid container 100, the first fluid extruding unit 20 and the second fluid extruding unit 30 are simultaneously connected after removing the fixing unit 80 from the fluid transfer device 10. Shrink. Thereby, the fluid R remaining in the first fluid extrusion unit 20 and the second fluid extrusion unit 30 can be squeezed out. As a result, it is possible to transfer the remaining fluid R without leaving it.

  As described above, according to the invention described in the first embodiment, the fluid R can be easily transferred from the one side A to the other side B only by expanding and contracting the fluid extruding unit 11 by the operation unit 90. Can do. Moreover, since the fluid R is taken out so as to generate a negative pressure and suck out from the fluid storage container 100, almost all the fluid R on the one side A can be transferred to the other side B without leaving it.

  Further, according to the invention described in the first embodiment, the fluid extruding part 11 has the first fluid extruding part 20 and the second fluid extruding part 30, and the operation part 90 is between them. The second fluid extruding unit is disposed on the other side B of the operating unit 90 in a configuration in which both are alternately expanded and contracted by operation of the operating unit 90 and the fluid R is transferred from one side A to the other side B. By being 30, it becomes easy to perform the sending-out operation | movement to the other side B of the fluid R, and the fluid R can be transferred more stably.

  Further, according to the invention described in the first embodiment, since the first fluid extruding portion 20 and the second fluid extruding portion 30 have a bellows shape, it is possible to perform a reliable and reliable expansion and contraction operation. it can.

  In addition, according to the invention described in the first embodiment, the first fluid extruding part 20 and the second fluid extruding part 30 are provided with the fixing part 80 that holds the fixed width. Since the first fluid extruding unit 20 and the second fluid extruding unit 30 are alternately expanded and contracted within the width, the expansion and contraction operation can be performed more stably with the entire width fixed. In addition, the fluid R can be transferred more stably.

  Further, according to the invention described in the first embodiment, since the fixing portion 80 is detachable, the fluid R does not remain on the one side A, and the first fluid extruding portion 20 or the second fluid is not left. When the fluid R remains in the fluid extruding portion 30, the fixing portion 80 can be removed and the fluid R can be squeezed out to the other side B. As a result, almost all the fluid R on one side A can be reliably transferred to the other side B without leaving it.

Further, according to the invention described in the first embodiment, since the operation unit 90 is integrally formed with the first fluid extruding unit 20, the fluid transfer device 10 can be efficiently manufactured by reducing the number of parts. Can do.
[Modification of Embodiment 1 of the Invention]
Next, a modified example of the first embodiment will be described with reference to FIGS. As shown in FIGS. 12 and 13, the fluid transfer device 110 of this modification is provided with a tubular portion 127 bent in an L shape on one side A of the first bellows portion 21 of the first fluid extruding portion 120. A first external thread portion 122 is provided at the tip of the first external thread portion 122 and is used when connecting at an angle different from that of the first embodiment. Further, the fixing portion 180 of this modification is different in shape from the above-described first embodiment, and as shown in FIG. 15, one side A of the first fluid extruding portion 120 and the second fluid extruding portion 30. The fluid extruding part 11 is placed so that the other side B of the liquid is disposed inside. Specifically, as shown in FIGS. 14 and 15, the fixing portion 180 includes a first ring portion 181 and a second ring portion 182 that are arc-shaped and partially spaced, and each of them is 1 in a straight line. It is connected to one member.

And as shown in FIG. 15, the 1st ring part 181 is covered so that it may be located in the outer side of the edge part of the other side B of the 2nd bellows part 31 of the 2nd fluid extrusion part 30, and the 2nd ring part 182 is covered. Is placed on the outside of the end portion on the one side A of the first bellows portion 21 of the first fluid extruding portion 120. Thereby, the total width of the 1st fluid extrusion part 120 and the 2nd fluid extrusion part 30 can be made into fixed width L. As a result, when the operation unit 90 is moved to the other side B, which is the direction in which the first fluid extruding unit 120 is extended, with the operation unit 90, the second fluid extruding unit inevitably held by the fixing unit 180. 30 is contracted, and conversely, when the operating unit 90 is moved to one side A, which is the direction in which the first fluid extruding unit 120 is contracted, by holding the operating unit 90, the first is inevitably held by the fixing unit 180. The two-fluid extrusion part 30 extends. In addition, the fixing | fixed part 180 is comprised with respect to the fluid extrusion part 11 so that attachment or detachment is possible similarly to above-mentioned Embodiment 1. FIG. Other configurations are the same, and the same reference numerals are given and description thereof is omitted.
[Embodiment 2 of the Invention]
16 to 20 show a second embodiment of the present invention. The embodiment of the present invention is the same as that of the above-described first embodiment except for the matters described below. Therefore, the same reference numerals are given to the matters other than the matters different from the above-described first embodiment, and the description is omitted. To do.

  The fluid transfer device 210 of this embodiment is attached to the fluid storage container 100 that stores the fluid R in the same manner as in the first embodiment, and the fluid R is taken out to other containers (not shown) or the human body. It is an instrument for transferring to (not shown).

  As shown in FIGS. 16 and 17, the fluid transfer device 210 includes a fluid extruding part 220, a first valve 240, a second valve 250, an operation part 290, an injection part 260, and a dispensing part 270. These are assembled and integrated. Further, the fluid transfer device 210 of this embodiment has a configuration that does not have the fixing portion 80 as in the first embodiment. Details will be described below.

  The injection part 260 is attached and fixed to the fluid container 100 arranged on the one side A, and allows the fluid R to flow into the fluid extrusion part 220 side which is the other side B. Since the configuration of the injection unit 260 is the same as that of the first embodiment, description thereof is omitted.

  The fluid extruding part 220 of this embodiment is composed of one part. The fluid extruding portion 220 is hollow and has an accordion shape, and can be expanded and contracted with respect to one side A and the other side B. Then, the fluid R is introduced and held by extending, and the held fluid R is caused to flow out by contracting.

  Specifically, as shown in FIG. 17, the fluid extruding part 220 includes a bellows part 221 that is hollow and holds the fluid R, and a first external screw part 222 provided at an end portion on one side A thereof. And a third internal threaded portion (not shown, similar to the third internal threaded portion 23 of FIG. 5 of Embodiment 1) provided at the end of the other side B of the bellows portion 221. The first outer screw portion 222 is screwed with the second inner screw portion 65 of the injection portion 260, and the third inner screw portion is a second outer screw portion 272 of the pouring portion 270 described later. And are to be screwed together. Further, a partition plate (not shown) having a small-diameter hole at the center is provided at the boundary between the bellows 221 and the third internal threaded portion, as in the first embodiment.

  Moreover, the pouring part 270 guides the fluid R extruded from the fluid extruding part 220 to the container or the human body on the other side B. In this embodiment, a main body portion 271 formed in a tapered shape so as to enter a hole (not shown) provided in the human body for gastric fistula and a second outer portion provided at an end portion on one side A thereof. And a threaded portion 272. Moreover, the extraction part 270 of this embodiment is formed independently of other members, and the second external thread part 272 is screwed with the third internal thread part of the fluid extruding part 220 described above. It is like that.

  In addition, a first valve 240 is disposed between the injection part 260 and the one side A of the fluid extruding part 220, in this embodiment, one side A of the fluid extruding part 220. Since the configuration of the first valve 240 is a check valve similar to that of the first embodiment, description thereof is omitted.

  Further, the second valve 250 is disposed between the first valve 240 on the other side B, in this embodiment, on the other side B of the fluid extruding part 220 and the extraction part 270. The configuration of the second valve 250 is a check valve similar to that of the first embodiment. And the 2nd peripheral part 252 of the 2nd valve 250 is the hole provided in the other side B of the bellows part 221 of the front-end | tip 273 of the 2nd external thread part 272 of the one side A of the extraction part 270, and the fluid extrusion part 220. By being clamped by a partition plate having a portion, it is held at that position. Since the other configuration of the second valve 250 is the same as that of the first embodiment, the description thereof is omitted.

  In addition, the operation unit 290 operates expansion / contraction of the fluid extruding unit 220, and is disposed between the fluid extruding unit 220 and the dispensing unit 270 in this embodiment. Then, by alternately moving the one side A and the other side B, the fluid extruding unit 220 is alternately operated to expand and contract. Moreover, in this embodiment, it is formed in one lever shape (bar shape), and is formed so that an operator can pinch and move easily.

  Further, in this embodiment, the operation part 290 is integrally formed with the fluid extruding part 220, and the operation part 290 arranged as shown in FIG. 17 is folded and a hole 292 is formed in the center. The shaped portion 291 is passed between the fluid extruding portion 220 and the extraction portion 270 and is held in a predetermined direction. The operation unit 290 is not limited to a single lever shape as shown in the figure, and two lever-shaped members are arranged so as to extend in a symmetrical direction, and are operated. Also good. Furthermore, you may form in other shapes, such as an annular shape, for example.

  Next, the procedure for using the fluid transfer device 210 of this embodiment will be described with reference to FIGS.

  First, as shown in FIG. 18, the injection part 260 of the fluid transfer device 210 faces the fluid outlet 101 of the fluid container 100, and as shown in FIG. The outlet 101 is pierced and screwed to hold and fix. Then, once the operating unit 290 is moved to the one side A as shown in FIG. 20, and then the operating unit 290 is moved to the other side B as shown in FIG. 19, the fluid extruding unit 220 extends. Then, the second valve 250 is not opened, and only the first valve 240 is opened at a negative pressure, so that the fluid R in the fluid container 100 is filled into the fluid pusher 220 through the first valve 240. .

  Next, as illustrated in FIG. 20, when the operation unit 290 is moved to the one side A, the fluid extruding unit 220 contracts. Then, the first valve 240 is not opened, and the second valve 250 is opened by the pressure of the fluid R. As a result, the fluid R is sent out from the fluid extruding part 220 to the other side B through the pouring part 270.

  As described above, the fluid extruding unit 220 can be repeatedly expanded (see FIG. 19) and contracted (see FIG. 20) simply by moving the operation unit 290 alternately to one side A and the other side B. As a result, The fluid R in the fluid container 100 can be efficiently and simply transferred to the other side B. Moreover, since the fluid R is taken out so as to generate a negative pressure and suck out from the fluid storage container 100, almost all the fluid R on the one side A can be transferred to the other side B without leaving it.

  As described above, according to the invention described in the second embodiment, the fluid R can be easily transferred from the one side A to the other side B simply by expanding and contracting the fluid extruding unit 220 with the operation unit 290. Can do. Moreover, since the fluid R is taken out so as to generate a negative pressure and suck out from the fluid storage container 100, almost all the fluid R on the one side A can be transferred to the other side B without leaving it.

  Further, according to the invention described in the second embodiment, since the fluid extruding part 220 has a bellows shape, a stable and reliable expansion and contraction operation can be performed.

Further, according to the invention described in the second embodiment, since the operation unit 290 is integrally formed with the fluid extruding unit 220, the fluid transferring device 210 can be efficiently manufactured with a reduced number of parts. .
[Modification of Embodiment 2 of the Invention]
Next, a modification of the second embodiment will be described with reference to FIGS. As shown in FIGS. 21 and 22, the fluid transfer device 310 of this modification is provided with a tubular portion 327 bent in an L shape on one side A of the bellows portion 221 of the fluid extrusion portion 320. This is used when connecting at a different angle from the second embodiment. Other configurations are the same, and the same reference numerals are given and description thereof is omitted.

  The embodiment described above is described in order to facilitate understanding of the present invention, and is not described in order to limit the present invention.

  For example, in each of the above-described embodiments, the fluid R is taken out from the fluid containing container 100 and transferred to another container, a human body, or the like. In addition, the object may be in any form as long as it is transferred from one side to the other side.

  Further, in each of the above-described embodiments, the fluid extruding part has a bellows shape, but is not limited to this, and is a structure in which the fluid is transferred from one side to the other side by expanding and contracting by operation of the operating part. If it is a thing, what is necessary is just an appropriate shape.

  In addition, the material, size, shape, and the like of each component of the fluid transfer device may be appropriate as long as they can exhibit their functions.

10, 110, 210, 310 Fluid transfer device 11, 220 Fluid extruding portion 20, 120 First fluid extruding portion 21 First bellows portion 22, 122 First outer screw portion 23 Third inner screw portion 24 Partition plate 25 Hole 30 Second fluid extruding part 31 Second bellows part 32, 272 Second external thread part 40, 240 First valve 41 First valve body 42 First peripheral part 50, 250 Second valve 51 Second valve body 52 , 252 Second peripheral portion 60, 260 Injection portion 61 Puncture portion 62 First inner screw portion 63 Cylindrical portion 64 Perimeter 65 Second inner screw portion 70, 270 Extraction portion 80, 180 Fixing portion 81, 181 First ring portion 82, 182 Second ring part 83 Third ring part 90, 290 Operation part 91, 291 Thin plate-like part 92, 292 Hole 100 Fluid container 101 Fluid outlet 102 Container container external thread part 221 Bellow part A One side B The other side R fluid

Claims (8)

A fluid transfer device for transferring a fluid for medical or eating and drinking from one side to the other,
By expanding and contracting, a fluid extruding part that sends out the fluid from the one side to the other side, and
An operation unit for operating expansion and contraction of the fluid extrusion unit;
A first valve that is disposed on the one side and that allows the fluid to flow into the fluid pusher and does not allow the fluid to flow out of the fluid pusher;
A second valve disposed on the other side that allows the fluid to flow out of the fluid pusher and does not allow the fluid to flow into the fluid pusher;
Have
The first valve is opened by operating the operation part to extend the fluid extruding part to flow the fluid into the fluid extruding part from the one side, and then operating the operation part to The fluid transfer device, wherein the fluid extruding part is configured to open the second valve so as to send out the fluid from the fluid extruding part to the other side. The fluid extruding part has a first fluid extruding part arranged on the one side and a second fluid extruding part arranged on the other side,
The first valve is disposed on the one side of the first fluid extruding part,
The second valve and the operation part are arranged between the first fluid extruding part and the second fluid extruding part,
The first fluid extruding unit and the second fluid extruding unit are each configured to expand and contract by operation of the operation unit,
The first valve is opened by operating the operation unit to extend the first fluid extruding unit, and the fluid flows into the first fluid extruding unit from the one side, and then the second flow The second valve is opened by operating the operation portion in a state where the body extruding portion is extended to contract the first fluid extruding portion, and the second fluid extruding portion is opened from the first fluid extruding portion. The fluid is sent out to the other side, and then the second fluid extruding part is contracted by operating the operation part to deliver the fluid from the second fluid extruding part to the other side. The fluid transfer device according to claim 1.   The fluid transfer device according to claim 1, wherein the fluid extruding part has a bellows shape.   3. The fluid transfer device according to claim 2, wherein at least one of the first fluid holding portion and the second fluid extruding portion has a bellows shape. The first fluid extruding part has a fixing part for holding a fixed width from the one side to the other side of the second fluid extruding part;
The first fluid extruding unit and the second fluid extruding unit are configured to be alternately expanded and contracted by holding the fixed width in the fixing unit during operation of the operation unit,
By operating the operation portion to extend the first fluid extruding portion and contracting the second fluid extruding portion, the first valve is opened and the fluid is transferred from the one side to the first fluid. The second fluid is opened by allowing the fluid to flow into the extruding section and then operating the operating section to contract the first fluid extruding section and extend the second fluid extruding section. The fluid is sent out from the part to the second fluid extruding part, and then the second fluid extruding part is contracted by operating the operating part to extend the first fluid extruding part and shrinking the second fluid extruding part. 5. The fluid transfer device according to claim 2, wherein the fluid transfer device is configured to send the fluid from the fluid extruding part to the other side.   6. The fluid transfer device according to claim 5, wherein the fixing portion is configured to be detachable from the first fluid extruding portion and the second fluid extruding portion.   4. The fluid transfer device according to claim 1, wherein the operation unit is integrally formed with the fluid extruding unit. 5.   7. The fluid transfer device according to claim 2, wherein the operation unit is integrally formed with the first fluid extruding unit and / or the second fluid extruding unit. .

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