WO2022163115A1 - 加圧装置 - Google Patents
加圧装置 Download PDFInfo
- Publication number
- WO2022163115A1 WO2022163115A1 PCT/JP2021/044050 JP2021044050W WO2022163115A1 WO 2022163115 A1 WO2022163115 A1 WO 2022163115A1 JP 2021044050 W JP2021044050 W JP 2021044050W WO 2022163115 A1 WO2022163115 A1 WO 2022163115A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bag
- housing
- surface portion
- opening
- pressure
- Prior art date
Links
- 238000005192 partition Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920000433 Lyocell Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/155—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by gas introduced into the reservoir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
- F04B43/046—Micropumps with piezoelectric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
Definitions
- the present invention relates to a pressurizing device that pressurizes a bag containing liquid from the outside.
- Patent Document 1 describes a tube feeding injection device.
- the device of Patent Literature 1 includes an airbag, an electric pump, and pneumatic lines.
- the airbag connects to an electric pump through a pneumatic line.
- the airbag includes a bag-shaped pressurized air chamber and a storage space. The pressurized air chamber and the storage space are adjacent to each other, and the nutrient bag is stored in the storage space.
- an object of the present invention is to provide a pressurizing device that is excellent in portability and installability and has improved pressurization efficiency.
- the pressurizing device of the present invention is formed between a bag-shaped pressurizing bag, a cover portion provided on the first surface portion of the pressurizing bag, and the cover portion and the first main surface portion of the pressurizing bag.
- the pressure bag is formed on a second surface portion different from the first surface portion, and has a bag opening that communicates the internal space of the pressure bag with the outside.
- the housing has a housing opening. The housing is secured against the second surface portion of the pressure bag such that the bag opening and the housing opening are in direct communication and overlap.
- FIG. 1(A) is an external perspective view of the pressure device 10 according to the first embodiment
- FIG. 1(B) is an exploded perspective view of the pressure device 10 according to the first embodiment
- FIG. 2 is an external perspective view of the pressurizing device 10 with the liquid containing bag BG attached.
- FIG. 3A is a cross-sectional view of the pressure device 10 according to the first embodiment
- FIG. 3B is an exploded cross-sectional view of the pressure device 10 according to the first embodiment.
- FIG. 4A is an enlarged cross-sectional view of a portion for fixing the housing 31 to the pressure bag 21
- FIG. 4B is an enlarged cross-sectional view imagining an example of a fixing method
- FIG. 2 is an enlarged cross-sectional view showing a derived example of a fixed state
- FIG. 5 is a cross-sectional view showing an example of the configuration of the piezoelectric pump 32.
- FIG. 6A is a cross-sectional view of the pressure device 10A according to the second embodiment
- FIG. 6B is an exploded cross-sectional view of the pressure device 10A according to the second embodiment.
- FIG. 7 is an exploded perspective view of a pressure device 10B according to the third embodiment.
- FIG. 8A is a cross-sectional view of a pressure device 10B according to the third embodiment
- FIG. 8B is an exploded cross-sectional view of the pressure device 10B according to the third embodiment.
- FIG. 8A is a cross-sectional view of a pressure device 10B according to the third embodiment
- FIG. 8B is an exploded cross-sectional view of the pressure device 10B according to the third embodiment.
- FIG. 10A is a cross-sectional view of a pressure device 10C according to the fourth embodiment
- FIG. 10B is an exploded cross-sectional view of the pressure device 10C according to the third embodiment.
- FIG. 1A is an external perspective view of the pressure device 10 according to the first embodiment
- FIG. 1B is an exploded perspective view of the pressure device 10 according to the first embodiment
- FIG. 2 is an external perspective view of the pressurizing device 10 with the liquid containing bag BG attached.
- FIG. 3A is a cross-sectional view of the pressure device 10 according to the first embodiment
- FIG. 3B is an exploded cross-sectional view of the pressure device 10 according to the first embodiment.
- FIG. 4A is an enlarged cross-sectional view of a portion for fixing the housing 31 to the pressure bag 21, FIG.
- FIG. 4B is an enlarged cross-sectional view imagining an example of a fixing method
- FIG. [FIG. 2] is an enlarged cross-sectional view showing a derived example of a fixed state
- the pressurizing device 10 includes a pressurizing bag 21, a cover member 22, a housing 31 , piezoelectric pump 32 , control circuit board 33 , drive switch 34 , and fixture 40 .
- the pressurization bag 21 has a shape of a deformable bag.
- the pressure bag 21 is made of, for example, a resin film or a synthetic fiber such as tencel, rayon, polyester, or nylon. More specifically, as shown in FIGS. 3A and 3B, the pressurized bag 21 has a first surface portion 291, a second surface portion 292 and side portions 293. As shown in FIGS. The first surface portion 291 and the second surface portion 292 are planar. Note that the term "planar" as used herein is not limited to a surface whose entire surface is flat. include. This overall flat state is referred to as a static steady state in this embodiment.
- first surface portion 291 and the second surface portion 292 are arranged in the first direction (x direction in FIGS. 1(A), 1(B), 2, 3(A), and 3(B)). and a second direction (a direction orthogonal to the first direction, the y direction in FIGS. 1A, 1B, 2, 3A, and 3B) is. Note that the first surface portion 291 and the second surface portion 292 are not limited to rectangles.
- the first surface portion 291 and the second surface portion 292 have substantially the same planar area in a static steady state.
- the first surface portion 291 and the second surface portion 292 overlap each other in plan view in a static steady state.
- a plan view means a state viewed from a direction perpendicular to each surface of the first surface portion 291 and the second surface portion 292 .
- the first surface portion 291 and the second surface portion 292 are spaced apart in a direction orthogonal to each surface.
- the side portion 293 is arranged between the first surface portion 291 and the second surface portion 292 .
- the side portion 293 connects the outer edge of the surface of the first surface portion 291 and the outer edge of the surface of the second surface portion.
- the pressurized bag 21 has a bag inner space 210 surrounded by a first surface portion 291 , a second surface portion 292 and a side portion 293 .
- a bag opening 211 is formed in the second surface portion 292 of the pressure bag 21 .
- first surface portion 291 and the second surface portion 292 are preferably made of easily deformable material.
- the cover member 22 is in the shape of a deformable sheet. Note that the cover member 22 is made of a material that is less deformable than the first surface portion 291 and the second surface portion 292 of the pressure bag 21 .
- the cover member 22 is arranged on the outer surface side of the first surface portion 291 of the pressurization bag 21 .
- the cover member 22 connects to the first surface portion 291 near both ends of the first surface portion 291 in the x direction.
- the cover member 22 is not connected to both ends of the first surface portion 291 in the y direction.
- a through hole penetrating in the y direction is formed between the first surface portion 291 of the pressure bag 21 and the cover member 22 .
- This through hole is the housing space 23 .
- the accommodation space 23 is formed between the first surface portion 291 of the pressure bag 21 and the cover member 22 .
- the housing 31 is box-shaped.
- the housing 31 is made of a material that is less deformable than the pressure bag 21, such as metal or resin.
- the housing 31 has a bottom wall 311 and side walls 312 .
- the bottom wall 311 is flat.
- the side wall 312 has a shape extending in a direction perpendicular to the plane of the bottom wall 311 along the outer edge of the bottom wall 311 .
- Side walls 312 connect to the outer ends of bottom wall 311 .
- a space surrounded by the bottom wall 311 and the side walls 312 is the housing internal space 310 .
- the housing internal space 310 opens to the outside of the housing 31 on the side opposite to the bottom wall 311 . This opening becomes the housing opening 319 .
- the area of the housing opening 319 is larger than the area of the bag opening 211 . At this time, for example, the area of the housing opening 319 is substantially the same as the area of the bag opening 211 .
- a suction hole 318 is formed in the bottom wall 311 of the housing 31 .
- the piezoelectric pump 32 has a suction hole and a discharge hole.
- the piezoelectric pump 32 discharges the fluid sucked from the suction hole from the discharge hole.
- a specific example of the shape of the piezoelectric pump 32 will be described later.
- the piezoelectric pump 32 has a low profile and is accommodated in the housing internal space 310 of the housing 31 . At this time, the piezoelectric pump 32 is installed on the bottom wall 311 of the housing 31 so that the suction hole of the piezoelectric pump 32 communicates with the suction hole 318 of the housing 31 .
- the control circuit board 33 is a board on which circuit elements for controlling the piezoelectric pump 32 and drive switches 34 are mounted.
- the control circuit board 33 is housed in the housing internal space 310 of the housing 31 and fixed to the bottom wall 311 .
- the drive switch 34 is exposed to the outside of the housing 31 through a through hole provided in the bottom wall 311 of the housing 31 .
- the fixing jig 40 is a frame.
- the fixing jig 40 has substantially the same shape as the side wall 312 of the housing 31 when viewed in a direction orthogonal to the opening formed by the frame.
- the housing 31 is arranged so as to contact the outer surface of the second surface portion 292 of the pressurization bag 21 .
- the housing opening 319 and the bag opening 211 directly communicate with each other and overlap.
- the side wall 312 of the housing 31 forms an outer end of the bag opening 211 in the second surface portion 292 of the pressure bag 21 (more precisely, an annular shape similar to the outer end outside the outer end). area).
- a fixing jig 40 is arranged on the opposite surface (inner surface) side of the portion of the second surface portion 292 of the pressurization bag 21 with which the side wall 312 of the housing 31 abuts.
- the side wall 312 and the fixing jig 40 sandwich the second surface portion 292 of the pressure bag 21 .
- the side wall 312 and the fixing jig 40 are brought into pressure contact so as to hold the second surface portion 292 of the pressure bag 21 therebetween. Thereby, the housing 31 is fixed to the pressure bag 21 with higher joint strength.
- the pressurizing device 10 pressurizes the liquid containing bag BG as follows.
- the liquid containing bag BG is contained in the containing space 23 and sandwiched between the first surface portion 291 of the pressure bag 21 and the cover member 22 . At this time, the piezoelectric pump 32 is not driven.
- the piezoelectric pump 32 When the piezoelectric pump 32 is driven, the piezoelectric pump 32 sucks air through the suction hole 318 and discharges it into the housing internal space 310 of the housing 31 .
- the housing internal space 310 and the bag internal space 210 are in direct communication with each other through the housing opening 319 and the bag opening 211 . Therefore, the air discharged into the housing internal space 310 flows into the bag internal space 210 .
- air accumulates in the space where the bag interior space 210 and the housing interior space 310 communicate with each other. Since the housing 31 is hard to deform and the pressurizing bag 21 is easy to deform, the volume of the pressurizing bag 21 increases according to the amount of inflowing air. Then, the pressure bag 21 is inflated.
- the expansion of the pressure bag 21 reduces the volume of the accommodation space 23 between the pressure bag 21 and the cover member 22.
- the liquid storage bag BG is pressurized from the outside by the first surface portion 291 of the pressure bag 21 and the cover member 22 .
- the liquid contained in the liquid containing bag BG is discharged at a predetermined discharge amount.
- the air discharged by the piezoelectric pump 32 flows directly into the pressurizing bag 21 without passing through a tubular path as in the prior art.
- loss of inflow of air until air enters the pressurization bag 21 can be suppressed, and pressurization efficiency is improved.
- the pressurizing device 10 since the housing 31 including the piezoelectric pump 32 is directly fixed to the pressurizing bag 21, the pressurizing device 10 has a simple shape and a small size. Therefore, the pressure device 10 can realize excellent portability and installability.
- the excellent installability means, for example, a large degree of freedom in installation.
- the discharge hole of the piezoelectric pump 32 faces the pressure bag 21 , and there is no shield between the discharge hole of the piezoelectric pump 32 and the pressure bag 21 . Therefore, the air discharged from the piezoelectric pump 32 more efficiently flows into the bag interior space 210 of the pressurization bag 21 .
- the fixing jig may have the shape shown in FIG. 4(C).
- the fixing jig 40DV includes a plurality of grooves 49 extending in a frame shape and a plurality of protrusions 48 formed by these grooves 49.
- the plurality of protrusions 48 and grooves 49 are alternately arranged in the width direction of the fixing jig 40DV.
- the piezoelectric pump 32 has, for example, the following configuration.
- FIG. 5 is a cross-sectional view showing an example of the configuration of a piezoelectric pump.
- the applicant has applied for various configurations in the past, and a detailed description will be omitted, and a schematic configuration will be described.
- the piezoelectric pump 32 includes a vibration plate 321, a frame 322, a support portion 323, a piezoelectric element 324, a housing flat plate 325, a housing side wall member 326, a housing cover member 327, and A valve member 328 is provided.
- the diaphragm 321 is supported by the frame 322 via the supporting portion 323 so as to be able to vibrate.
- a piezoelectric element 324 is installed on the diaphragm 321 .
- the frame 322 is connected to the housing flat plate 325 via a frame-shaped housing side wall member 326 . Further, the frame 322 is connected to the housing cover member 327 .
- the piezoelectric pump 32 has an internal space surrounded by the frame 322 , the housing flat plate 325 , the housing side wall member 326 , and the housing cover member 327 .
- a suction hole 3250 is formed in the housing flat plate 325
- a discharge hole is formed in the housing cover member 327 .
- the piezoelectric pump 32 By vibrating the diaphragm 321 with the piezoelectric element 324, the piezoelectric pump 32 sucks air from the outside into the internal space through the suction hole 3250 and discharges the air from the internal space to the outside through the discharge hole 3270.
- the valve member 328 By providing the valve member 328 , the air is conveyed from the suction hole 3250 to the discharge hole 3270 and the backflow of the air from the discharge hole 3270 to the suction hole 3250 is suppressed.
- the configuration in which the valve member 328 is arranged on the vibration plate 321 that is, the configuration in which the valve member 328 is arranged in the internal space of the piezoelectric pump 32 is shown.
- a valve device may be arranged outside the suction hole 3250 of the piezoelectric pump 32 or outside the discharge hole 3270 .
- the piezoelectric pump 32 can be formed with a low profile. Therefore, the housing 31 can be made low, and the pressurizing device 10 can be made more compact. In particular, since the valve member 328 is located inside the piezoelectric pump 32 , the housing 31 can be further reduced in height, and the pressurizing device 10 can be further reduced in size.
- FIG. 6A is a cross-sectional view of the pressure device 10A according to the second embodiment
- FIG. 6B is an exploded cross-sectional view of the pressure device 10A according to the second embodiment.
- the pressurizing device 10A according to the second embodiment differs from the pressurizing device 10 according to the first embodiment in that it includes a valve 35. different.
- Other configurations of the pressurizing device 10A are the same as those of the pressurizing device 10, and descriptions of the same parts are omitted.
- the valve 35 is installed in the housing 31.
- the valve 35 is installed on the bottom wall 311 of the housing 31 .
- the valve 35 switches opening and closing of the housing internal space 310 of the housing 31 to the external space.
- the valve 35 blocks communication between the housing internal space 310 and the external space.
- the valve 35 allows communication between the housing internal space 310 and the external space.
- the valve 35 cuts off communication between the housing internal space 310 and the external space during pressurization.
- the valve 35 allows communication between the housing internal space 310 and the external space when the pressure is reduced.
- the pressurizing device 10A can efficiently flow air into the pressurizing bag 21 during pressurization. Further, the pressurizing device 10A can efficiently release the air in the pressurizing bag 21 to the outside when the pressure is reduced, such as after use.
- FIG. 7 is an exploded perspective view of a pressure device 10B according to the third embodiment.
- FIG. 8A is a cross-sectional view of a pressure device 10B according to the third embodiment, and FIG. 8B is an exploded cross-sectional view of the pressure device 10B according to the third embodiment.
- the pressurizing device 10B according to the third embodiment has a bag opening 211B in contrast to the pressurizing device 10 according to the first embodiment. different in that it has Other configurations of the pressurizing device 10B are the same as those of the pressurizing device 10, and descriptions of the same portions are omitted.
- the pressurization bag 21 has a bag opening 211B.
- a shielding portion 212 is formed in the bag opening 211B to block a portion of the bag opening 211B.
- the shielding part 212 is film-like.
- the shielding part 212 has a shape extending in the y direction, and is connected to the second surface part 292 of the pressure bag 21 at both ends in the y direction.
- the bag opening 211B is divided into two openings sandwiching the shielding part 212 in the x direction.
- the air discharged from the piezoelectric pump 32 is split into two in the x direction and flows into the bag interior space 210 of the pressurization bag 21 . Therefore, it is possible to suppress the difference in the inflow amount of air depending on the position in the x direction in the pressure bag 21 . That is, the pressurizing device 10B can cause the air to flow into the pressurizing bag 21 more uniformly.
- the discharge hole 3270 of the piezoelectric pump 32 and the shielding portion 212 preferably overlap.
- the air discharged from the piezoelectric pump 32 flows through the two openings of the bag opening 211B after hitting the shielding portion 212 . Therefore, the pressurizing device 10A can cause the air to flow into the pressurizing bag 21 more uniformly.
- the pressurizing device 10B a mode in which one shielding portion 212 is formed has been shown, but the number of shielding portions 212 is not limited to this, and the shape may also be another shape.
- FIG. 9 is an exploded perspective view of a pressure device 10C according to the fourth embodiment.
- FIG. 10A is a cross-sectional view of a pressure device 10C according to the fourth embodiment, and FIG. 10B is an exploded cross-sectional view of the pressure device 10C according to the third embodiment.
- the pressurizing device 10C according to the fourth embodiment has a bag opening 211C, unlike the pressurizing device 10B according to the third embodiment. , and a plurality of partition members 214 are provided.
- Other configurations of the pressurizing device 10C are the same as those of the pressurizing device 10B, and descriptions of the same portions are omitted.
- the pressurization bag 21 has a bag opening 211C.
- the bag opening 211C is formed with two shielding portions 213 that partially block it.
- the shielding part 213 is film-like.
- the shielding part 213 has a shape extending in the y direction, and is connected to the second surface part 292 of the pressure bag 21 at both ends in the y direction. With this configuration, the bag opening 211C and the shielding portion 213 are arranged alternately in the x direction.
- the pressurization bag 21 has two partition members 214 .
- the partition member 214 has a shape extending in the y direction, and partitions the bag internal space 210 into three compartments in the x direction.
- the two partition members 214 are arranged at positions overlapping the two shielding portions 213 respectively.
- the air discharged from the piezoelectric pump 32 is divided into three in the x direction.
- the divided air flows into three chambers partitioned by the partition member 214 in the bag internal space 210 of the pressurized bag 21 . Therefore, it is possible to suppress the difference in the inflow amount of air depending on the position in the x direction in the pressure bag 21 . That is, the pressurizing device 10 ⁇ /b>C can cause the air to flow more uniformly into the pressurizing bag 21 .
- the shielding portion may be formed on the housing 31 .
Abstract
Description
本発明の第1の実施形態に係る加圧装置について、図を参照して説明する。図1(A)は、第1の実施形態に係る加圧装置10の外観斜視図であり、図1(B)は、第1の実施形態に係る加圧装置10の分解斜視図である。図2は、液体収容バッグBGを装着した状態での加圧装置10の外観斜視図である。図3(A)は、第1の実施形態に係る加圧装置10の断面図であり、図3(B)は、第1の実施形態に係る加圧装置10の分解断面図である。図4(A)は、加圧バッグ21へ筐体31を固定する部分の拡大断面図であり、図4(B)は固定方法の一例をイメージする拡大断面図であり、図4(C)は、固定状態の派生例を示す拡大断面図である。なお、本実施形態を含む各実施形態に示す各図は、加圧装置の構成を分かり易くするため、それぞれの構成要素の形状を部分的または全体として誇張して記載することがある。
本発明の第2の実施形態に係る加圧装置について、図を参照して説明する。図6(A)は、第2の実施形態に係る加圧装置10Aの断面図であり、図6(B)は、第2の実施形態に係る加圧装置10Aの分解断面図である。
本発明の第3の実施形態に係る加圧装置について、図を参照して説明する。図7は、第3の実施形態に係る加圧装置10Bの分解斜視図である。図8(A)は、第3の実施形態に係る加圧装置10Bの断面図であり、図8(B)は、第3の実施形態に係る加圧装置10Bの分解断面図である。
本発明の第4の実施形態に係る加圧装置について、図を参照して説明する。図9は、第4の実施形態に係る加圧装置10Cの分解斜視図である。図10(A)は、第4の実施形態に係る加圧装置10Cの断面図であり、図10(B)は、第3の実施形態に係る加圧装置10Cの分解断面図である。
21…加圧バッグ
22…カバー部材
23…収容空間
31…筐体
32…圧電ポンプ
33…制御回路基板
34…駆動用スイッチ
35…バルブ
40…固定治具
40DV…固定治具
48…突起部
49…溝
210…バッグ内部空間
211、211B、211C…バッグ開口
212、213…遮蔽部
214…仕切り部材
291…第1面部分
292…第2面部分
293…側面部分
310…筐体内部空間
311…底壁
312…側壁
318…吸入孔
319…筐体開口
321…振動板
322…枠体
323…支持部
324…圧電素子
325…筐体用平板
326…筐体用側壁部材
327…筐体用カバー部材
328…弁部材
3250…吸入孔
3270…吐出孔
BG…液体収容バッグ
Claims (7)
- 袋状の加圧バッグと、
前記加圧バッグの第1面部分に設置されたカバー部材と、
前記カバー部材と前記加圧バッグの第1面部分との間に形成される収容空間と、
前記加圧バッグに空気を流入させる圧電ポンプと、
前記圧電ポンプが収容される筐体と、
を備え、
前記加圧バッグは、前記第1面部分と異なる第2面部分に形成され、前記加圧バッグの内部と外部とを連通するバッグ開口を有し、
前記筐体は、筐体開口を有し、
前記筐体は、前記バッグ開口と前記筐体開口とが直接連通して重なり合うように、前記加圧バッグの前記第2面部分に当接して固定される、
加圧装置。 - 前記加圧バッグの内部空間側に配置された固定治具を備え、
前記加圧バッグを、前記筐体と前記固定治具とで挟みこむ、
請求項1に記載の加圧装置。 - 前記バッグ開口の面積と前記筐体開口の面積は、同じである、
請求項1または請求項2に記載の加圧装置。 - 前記筐体は、前記筐体の内部空間の外部空間への開放、遮断を切り替えるバルブを備える、
請求項1乃至請求項3のいずれかに記載の加圧装置。 - 前記バッグ開口または前記筐体開口には、その一部を塞ぐ遮蔽部が形成されている、
請求項1乃至請求項4のいずれかに記載の加圧装置。 - 前記第2面部分に直交する方向に視て、前記圧電ポンプの吐出孔は、前記遮蔽部に重なる、
請求項5に記載の加圧装置。 - 前記加圧バッグは、前記第2面部分に直交する方向に視て、前記加圧バッグの内部空間を複数の部屋に仕切る仕切り部材を備える、
請求項1乃至請求項6のいずれかに記載の加圧装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180092351.8A CN116783387A (zh) | 2021-02-01 | 2021-12-01 | 加压装置 |
JP2022578084A JP7439961B2 (ja) | 2021-02-01 | 2021-12-01 | 加圧装置 |
US18/352,617 US20230355870A1 (en) | 2021-02-01 | 2023-07-14 | Pressure device |
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JP2021-014118 | 2021-02-01 | ||
JP2021014118 | 2021-02-01 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US18/352,617 Continuation US20230355870A1 (en) | 2021-02-01 | 2023-07-14 | Pressure device |
Publications (1)
Publication Number | Publication Date |
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WO2022163115A1 true WO2022163115A1 (ja) | 2022-08-04 |
Family
ID=82654357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2021/044050 WO2022163115A1 (ja) | 2021-02-01 | 2021-12-01 | 加圧装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230355870A1 (ja) |
JP (1) | JP7439961B2 (ja) |
CN (1) | CN116783387A (ja) |
WO (1) | WO2022163115A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11137681A (ja) * | 1997-11-07 | 1999-05-25 | Seiko Epson Corp | 輸液装置 |
JPH11510415A (ja) * | 1995-08-09 | 1999-09-14 | ハンス ティランデル | 圧力注入装置 |
JP2004230032A (ja) * | 2003-01-31 | 2004-08-19 | Nippon Tmi Co Ltd | 輸液バッグ加圧装置 |
-
2021
- 2021-12-01 JP JP2022578084A patent/JP7439961B2/ja active Active
- 2021-12-01 WO PCT/JP2021/044050 patent/WO2022163115A1/ja active Application Filing
- 2021-12-01 CN CN202180092351.8A patent/CN116783387A/zh active Pending
-
2023
- 2023-07-14 US US18/352,617 patent/US20230355870A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11510415A (ja) * | 1995-08-09 | 1999-09-14 | ハンス ティランデル | 圧力注入装置 |
JPH11137681A (ja) * | 1997-11-07 | 1999-05-25 | Seiko Epson Corp | 輸液装置 |
JP2004230032A (ja) * | 2003-01-31 | 2004-08-19 | Nippon Tmi Co Ltd | 輸液バッグ加圧装置 |
Also Published As
Publication number | Publication date |
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CN116783387A (zh) | 2023-09-19 |
US20230355870A1 (en) | 2023-11-09 |
JPWO2022163115A1 (ja) | 2022-08-04 |
JP7439961B2 (ja) | 2024-02-28 |
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