Source: http://www.google.com/patents/US7722584?dq=4052565
Timestamp: 2015-05-28 03:30:59
Document Index: 146109521

Matched Legal Cases: ['art 21', 'art 22', 'art 21', 'art 22', 'art 21', 'art 21', 'art 22', 'art 21', 'art 22', 'art 22', 'art 21', 'art 21', 'art 22', 'art 22', 'art 22', 'art 231', 'art 231', 'art 231', 'art 231', 'art 231', 'art 231', 'art 23', 'art 231', 'art 23', 'art 231', 'art 231', 'art 231', 'art 42', 'art 5', 'art 415', 'art 415', 'art 41', 'art 414', 'art 414', 'art 414', 'art 414', 'art 414', 'art 41', 'art 414', 'art 414', 'art 414', 'art 414', 'art 41', 'art 415', 'art 415', 'art 415', 'art 51', 'art 51', 'art 42', 'art 51', 'art 43', 'art 43', 'art 5', 'art 5', 'art 5', 'art 51', 'art 5', 'art 5', 'art 51', 'art 51', 'art 51', 'art 51', 'art 51', 'art 5', 'art 5', 'art 5', 'art 43', 'art 41', 'art 51']

Patent US7722584 - Automatic urine collection apparatus - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsAn automatic urine collection apparatus includes a collection container for accumulating urine transferred from a urine receiver through a tube and a main body for supporting the collection container, wherein the main body includes a suction pump for sucking the urine received by the urine receiver and...http://www.google.com/patents/US7722584?utm_source=gb-gplus-sharePatent US7722584 - Automatic urine collection apparatusAdvanced Patent SearchPublication numberUS7722584 B2Publication typeGrantApplication numberUS 11/768,384Publication dateMay 25, 2010Filing dateJun 26, 2007Priority dateJun 28, 2006Fee statusPaidAlso published asCN100548244C, CN101095633A, DE602007000399D1, EP1872752A1, EP1872752B1, US20080004576Publication number11768384, 768384, US 7722584 B2, US 7722584B2, US-B2-7722584, US7722584 B2, US7722584B2InventorsTetsuya Tanaka, Ryosuke Miyagawa, Yoshikazu Ishitsuka, Hiroshi Koizumi, Shigeharu SayamaOriginal AssigneeHitachi, Ltd.Export CitationBiBTeX, EndNote, RefManPatent Citations (22), Non-Patent Citations (1), Referenced by (10), Classifications (22), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetAutomatic urine collection apparatus
US 7722584 B2Abstract
11. The automatic urine collection apparatus according to claim 9, which further includes a rubber member provided at connection ends of the urine flow passage and the air flow passage and configured to be closely connected to the introduction inlet and the suction inlet of the container lid when the main body lid part is coupled with the container lid. Description
As shown in FIG. 1B, the collection container 2 comprises an approximately cylindrical tank part 21 with a bottom having a predetermined depth, an upper face part 22 extendedly provided on top of the tank part 21, and a container lid 23 for sealing an opening 22 a formed in the upper face part 22.
While a bottom face 21 a of the tank part 21 comprises one horizontal face so as to be able to be placed on a floor when the collection container 2 is detached from the main body 3, an outer peripheral edge of the face 21 a comprises a spherical face and a tilt face in order to obtain a strength coping with a pressure reduction. Furthermore, on a side face of the tank part 21 is formed a handgrip 21 b for assisting carry by a user. The handgrip 21 b is also utilized for positioning the collection container 2 in accommodating the container 2 in the main body 3.
The upper face part 22 is a member like an approximately semi-sphere making a center thereof an apex and provided on top of the tank part 21; on the top (apex portion) of the part 22 is formed the opening 22 a sealed by the container lid 23. Thus by forming the upper face part 22 not as a flat face but like the approximately semi-sphere having a predetermined angle, it is possible to dispose of urine from the opening 22 a even if a tilting angle of the tank part 21 is small.
The opening 22 a is formed to be smaller than a diameter of the tank part 21. Thus configured, it is possible to prevent urine from spilling outside in such carrying the collection container 2 in a full level of the urine. Moreover, it is possible to form a packing 232 (see FIG. 2) for pushing the container lid 23 to be smaller. Moreover, because pushing nonuniformity in pushing the packing 232 becomes less, a pressure inside the collection container 2 is more easily reduced by the suction pump 53.
Furthermore, a thread part 22 b raised up along a rim of the opening 22 a has a male thread that can be screwed together with a female thread (not shown) on an inner periphery of the container lid 23.
The container lid 23 is a cylindrical member with a roof for sealing the opening 22 a of the collection container 2; on the inner periphery of the lid 23 is formed the female thread (not shown) screwed together with the male thread of the thread part 22 b provided at the opening 22 a of the container 2.
A positioning line 22 c and a positioning line 23 d respectively indicated in radial directions on the upper face part 22 and the container lid 23 are targets to make constant a relative angle between the collection container 2 and the lid 23; when the thread of the container lid 23 is fully closed, the lines 22 c and 23 d are normally positioned in alignment with each other.
On an upper face of the container lid 23 are formed an introduction inlet 23 a for communicating with the tube T and introducing urine into the collection container 2; and a suction inlet 23 b for communicating with the suction pump 53 and sucking air within the container 2.
Furthermore, at opposing positions of an outer periphery of the container lid 23 are protrudingly provided engagement claws 23 c for coupling the lid 23 with a main body lid 41 of the main body 3.
As shown in FIGS. 2 and 3, below the suction inlet 23 b is provided a suction stop means 231 for stopping suction when urine within the collection container 2 becomes full. The suction stop means 231 comprises, for example, a ball valve part 231 a configured to directly seal the suction inlet 23 b; a ball-valve-part support part 231 b configured to include a bar-like member, of which an upper end is formed like a tray, and to support the ball valve part 231 a at the upper end; an accommodation-part bottom lid 231 c configured to hold a halfway of the support part 231 b so as to be freely movable up and down; a float part 231 d configured to be connected to a lower end of the support part 231 b and to move up and down together with a fluctuation of a urine level; and an accommodation part 23 e configured to include a space for the ball valve part 231 a moving up and down therein. In addition, in any one of the accommodation-part bottom lid 231 c and the accommodation part 23 e is formed a hole not shown, and the suction inlet 23 b and the inside of the collection container 2 are communicated.
In accordance with such the suction stop means 231, if a urine level becomes a full level, the float part 231 d is pushed upward, and the ball valve part 231 a seals the suction inlet 23 b from its underside through the ball-valve-part support part 231 b. In other words, in the full level of urine the suction is not further performed, and therefore, it is possible to stop introducing urine into the collection container 2. In other words, because it is possible in the full level of urine to prevent the urine from being sucked from the suction inlet 23 b, it is possible to reduce a possibility that the suction pump 53 is contaminated with the urine and deteriorated in its function.
As shown in FIG. 3, a scattering-prevention member 23 f is provided to block off a space between the introduction inlet 23 a and a urine surface, and is hung down from the container lid 23. In accordance with such the scattering-prevention member 23 f, when urine is discharged into the collection container 2 through the introduction inlet 23 a from the tube T, it is possible to reduce scattering of the urine by restricting a flow rate of the urine dropping down and by dispersing a volume of the urine dropping at one place. Accordingly, because it is possible to prevent the container lid 23 from being contaminated, it is possible to reduce a labor hour of washing the lid 23. Furthermore, because it is possible to prevent the scattered urine from being sucked from the suction inlet 23 b, it is possible to reduce a possibility that the suction pump 53 is contaminated with the urine and deteriorated in its function.
As shown in FIG. 2, the main body lid 41 mainly comprises, in its upper frame 411 and lower frame 412 of a base portion, the urine flow passage 413 connectable to the introduction inlet 23 a of the container lid 23; the air flow passage 414 connectable to the suction inlet 23 b of the lid 23; and a container-lid coupling mechanism 415 for coupling the lid 23.
When the freely-openable-and-closable main body lid 41 is in a closed state, connection ends of the urine flow passage 413 and the air flow passage 414 are configured to be respectively connected to the introduction inlet 23 a and the suction inlet 23 b; when the main body lid 41 is in an opened state, the connection ends of the passages 413 and 414 are configured to be respectively separated from the inlets 23 a and 23 b. Hereinafter, if not otherwise described, a description will be made in the assumption that, as shown in FIG. 1A, the collection container 2 is accommodated in the main body 3 and the main body lid 41 is in the closed state.
Rotation shafts 411 a, 411 a formed at a back face side of the upper frame 411 are free-turnably placed in rotation shaft grooves 425, 425 of the container support part 42, and realize to open and close the main body lid 41.
Then a rotation shaft 411 a at a side of the pump storage part 5 is configured to be hollow so that one end of an L-shaped pipe 414 a can be exposed.
The lower frame 412 configures a lower wall of the main body lid 41, is formed with a form basically corresponding to the upper frame 411, and at middle, has a turning-body support part 415 c as the container lid coupling mechanism 415. At a front portion of the turning-body support part 415 c is provided a notch matching with an operation range of a lever L protrudingly provided from a turning body 415 b, and the lower frame 412 as a whole is configured to be approximately C-shaped.
The urine flow passage 413 comprises an introduction pipe 413 a of which one end is connected to the tube T; and a rubber member 413 b for sealing a space between the pipe 413 a and the introduction inlet 23 a of the container lid 23 without a gap in connecting the other end of the pipe 413 a to the inlet 23 a. The other end of the introduction pipe 413 a and the rubber member 413 b are connection ends in connecting the urine flow passage 413 to the container lid 23.
In addition, although the tube T and the introduction pipe 413 a are connected at an upper side of the main body lid 41, the connection end of the urine flow passage 413 is configured to be exposed to an underside of the lid part 41 by passing the pipe 413 a through the upper frame 411 and a through hole formed at middle of a shaft disc 415 a. In addition, in a measurement by the mass sensor 100, when the tube T disposed above is pulled, for example, by being unintentionally pulled or by an article being put on the tube T, there is a possibility that an upward force acts on the main body lid 41 and that a large error occurs in a measured value by the sensor 100.
Consequently, on top of the main body lid 41 is provided a tube cover 411 b for fixing the tube T near the rotation shafts 411 a. In accordance with such the tube cover 411 b, when the tube T is pulled, because the rotation shafts 411 a can receive a greater part of the pull force, it is possible to prevent the upward force from acting on the main body lid 41. In other words, regardless of the tube T being pulled or not pulled, it is possible to obtain a stable measurement value. Furthermore, in accordance with the tube cover 411 b, it is possible to stably ensure the urine flow passage 413 without the tube T being entwined and folded.
In addition, a place where the tube T is fixed by the tube cover 411 b is not specifically limited if it can reduce an upward force acting on the main body lid 41; however, the place is preferably on or near any one of the rotation shafts 411 a. The air flow passage 414 comprises an L-shaped pipe 414 a; flow-passage forming members 414 b, 414 d; a liquid accumulation part 414 c; and a rubber member 414 e. In addition, as shown in FIG. 2, in the flow-passage forming member 414 b are integrally formed a downstream portion for communicating the L-shaped pipe 414 a and the liquid accumulation part 414 c, and an upstream portion for communicating the flow-passage forming member 414 d and the liquid accumulation part 414 c. Furthermore, the liquid accumulation part 414 c is provided so that urine does not reach the suction pump 53 by accumulating the urine when the urine flows in from a connection end of the air flow passage 414. The rubber member 414 e seals without a gap a space between the flow-passage forming member 414 d and the suction inlet 23 b of the container lid 23 in connecting one end of the member 414 d to the inlet 23 b. Then the air flow passage 414 is configured by sequentially connecting the L-shaped pipe 414 a of which one end is connected through the suction pump 53 and a communication pipe not shown; the downstream portion of the flow-passage forming member 414 b; the liquid accumulation part 414 c; the upstream portion of the flow-passage forming member 414 d; and the rubber member 414 e. One end of the flow-passage forming member 414 d and the rubber member 414 e are connection ends in connecting the air flow passage 414 to the container lid 23.
In addition, although the air flow passage 414 is basically formed inside the main body lid 41, the connection end of the passage 414 is configured to be exposed to the underside of the lid part 41 by passing the flow-passage forming member 414 d through the through hole formed in the shaft disc 415 a. Furthermore, the liquid accumulation part 414 c is configured to be freely attachable and detachable from an underside of the lower frame 412, and thereby when urine is accumulated in the part 414 c, it is possible to detach the part 414 c and to dispose of the urine. Furthermore, the liquid accumulation part 414 c is preferably configured with a transparent member so that a user can easily judge a state of a urine accumulation.
By coupling the main body lid 41 and the container lid 23, the container lid coupling mechanism 415 connects the urine flow passage 413 and the air flow passage 414 formed in the lid part 41 to the introduction inlet 23 a and the suction inlet 23 b formed in the lid 23, respectively.
The container lid coupling mechanism 415 comprises the shaft disc 415 a fixed at middle of the upper frame 411 from the underside of the frame 411; the turning body 415 b having an inner wall matching with an outer periphery of the disc 415 a; and the turning body support part 415 c having an inner wall matching with an outer periphery of the body 415 b. Then an upper portion of an inner periphery face of the turning body 415 b fits outside the shaft disc 415 a, and the body 415 b is turnably supported thereon. Furthermore, on a lower portion of the inner periphery face of the turning body 415 b is formed a not-shown thread screwed together with the engagement claws 23 c of the container lid 23.
Moreover, an outer periphery face of the turning body 415 b fits in the turning body support part 415 c. On an upper periphery edge of the turning body 415 b is formed a flange, and the body 415 b is free-slidably supported at the turning body support part 415 c. Furthermore, on the outer periphery face of the turning body 415 b is integrally provided the lever L for a user to turn the body 415 b. In the container lid coupling mechanism 415 thus configured, if a user turns the turning body 415 b in a predetermined direction through the lever L (turning from right to left by about 45 degrees in FIG. 1A), the engagement claws 23 c of the container lid 23 are put in a not-shown thread on the inner periphery face of the body 415 b, and the collection container 2 is coupled with the main body lid 41. According to this coupling, because the rubber members 413 b, 414 e of the urine flow passage 413 and the air flow passage 414 are more elastically deformed, it is possible to more closely connect the connection ends of the urine flow passage 413 and the air flow passage 414 to the introduction inlet 23 a and suction inlet 23 b of the container lid 23, respectively.
The control board 423 controls various instruments based on signals transmitted from the mass sensor 100, an indicator part 51, the urine sensor S1, and the human waste sensor S2. For example, the control board 423 is electrically connected to the urine sensor S1, the human waste sensor S2, the suction pump 53, the mass sensor 100, the indicator part 51, the battery 55, a power source switch 58, a terminal 57 a, a terminal 57 b, and the like.
The battery 55 is detachably stored in the container support part 42, and an opening of a battery storage part not shown is covered with a battery cover 60 a. The battery 55 can supply its power to the suction pump 53, the indicator part 51, and the mass sensor 100 electrically connected through the control board 423. In addition, charging the battery 55 can also be performed by using an AC adaptor electrically connected through the terminal 57 b. [Bottom Part]
The bottom part 43 is a form corresponding to that of the bottom face 21 a of the collection container 2, and it can be stably placed thereon. On the upper edge of the bottom part 43 is formed the accommodation-concave portion 43 a corresponding to the handgrip 21 b of the collection container 2, and thus a placement position of the container 2 is adapted to be automatically determined.
Furthermore, according to the type of the mass sensor 100, a tray 431 can be used as needed. For example, the tray 431 is used for equally distributing a load of the collection container 2 and transmitting it to the mass sensor 100. In addition, in a case of using the tray 431, its form is preferably associated with the bottom face 21 a of the collection container 2.
The tank cover 44 is comprised of an opaque member and covers the transparent (or translucent) collection container 2, paying attention to a user privacy. In the tank cover 44 an escape portion is formed at a portion corresponding to the handgrip 21 b of the collection container 2.
In the suction pump 53 a suction inlet not shown is connected to a communication pipe not shown through a rubber (elastic member), and the pipe is connected to the L-shaped pipe 414 a exposed from the rotation shaft 411 a of the upper frame 411. Furthermore, a discharge outlet 53 a of the suction pump 53 is communicated with a bottom portion of the automatic urine collection apparatus 1 through an approximately L-shaped pipe 53 c. Furthermore, a motor 53 b under the suction pump 53 is joined to a sidewall of the pump storage part 5 through a rubber-like vibration absorber (elastic member) 54. Therefore, a noise and a vibration generated from the suction pump 53 can be absorbed mainly by the vibration absorber 54.
Moreover, in the pump storage part 5 its upper portion is formed as an attachment part 5 a for attaching the indicator part 51; a lower portion of the part 5 is formed as a terminal accommodation part 5 d for accommodating an external terminal 57.
The indicator part 51 comprises an operation panel 51 a, a switch escape part 51 b, and a switch board 51 c. As shown in FIG. 4, the operation panel 51 a, on a surface of which characters are provided as needed, is a seal-like member and is configured to be pasted on an upper face of the switch escape part 51 b. On the switch board 51 c are provided switches corresponding to the characters provided as needed on the operation panel 51 a, an indication window, lamps, and the like; the switch escape part 51 b comprises an escape portion for indicating them.
As shown in FIG. 4, the operation panel 51 a of the indicator part 51 relating to the embodiment specifically comprises a lamp 511 for indicating ON and OFF of a power source; a lamp 512 for indicating an operation state of the suction pump 53; a lamp 513 for indicating an operation state of the human waste sensor S2; a lamp 514 for indicating an operation state of the urine sensor S1; an indication window 515 for indicating a volume of urine within the collection container 2 measured; an automatic drive switch 516 for driving the motor 53 b of the pump 53 by automatic control; and a manual drive switch 517 for manually driving the motor 53 b. The indication window 515 is preferably digital display so that a user can easily judge a volume of urine. Furthermore, the indication window 515 is practically sufficient if it is marked out and indicated for every 100 ml. For example, the indication window 515 is indicated by 11 levels of 1 to 10 in a case of an effective volume of the collection container 2 being one liter. Furthermore, in a case of the collection container 2 not being accommodated in the main body 3, “− (minus)” is indicated on the indication window 515.
The external terminal 57 comprises the terminal 57 a for outputting such data of a volume of urine recorded in a volatile memory to such a personal computer and a printer, and the terminal 57 b for connecting an AC adaptor thereto; and these are placed in the terminal accommodation part 5 d formed under the pump storage part 5. Furthermore, in a case of not using the external terminal 57, the pump accommodation part 5 d is closed by a cover 5 c. Hooks 59, 59 are used for hanging the automatic urine collection apparatus 1 on any one of a bed, a wheelchair, and the like, and each hook 59 is free-turnably placed on a back plate 60 of the main body 3. Specifically, the hook 59 is curved like a U letter; is hooked on a pipe of a bed, a wheelchair, and the like by the curved portion; and one end of the hook 59 is free-turnably placed in a horizontal direction. Thus the hook 59 is free-turnably placed, and thereby, even in a case of a pipe thickness of a bed, a wheelchair, and the like being different, it is possible to make the automatic urine collection apparatus 1 horizontal and to hook it on the pipe by adjusting a turning angle of the hook 59. Moreover, it is possible to adjust the automatic urine collection apparatus 1 to be horizontal by placing a spacer (not shown), of which a thickness is variable, under the back plate 60.
In using the automatic urine collection apparatus 1, a user firstly places the collection container 2 locked with the container lid 23 on the bottom part 43 of the main body 3, and closes the main body lid 41. At this time the container lid 23 is positioned inside the turning body 415 b. Then if the user operates the lever L of the main body lid 41 and turns the turning body 415 b, the engagement claws 23 c of the container lid 23 and the inner thread of the turning body 415 b are screwed together, and thus the lid 23 and the lid part 41 are coupled. At this time the connection ends of the urine flow passage 413 and the air flow passage 414 in the main body lid 41 are closely connected to the introduction inlet 23 a and suction inlet 23 b of the container lid 23, respectively, and are adapted to be communicated with the inside of the collection container 2. In such a state, the mass sensor 100 measures a combined mass of the collection container 2 and the main body lid 41; in a case of there being not urine yet in the collection container 2, the control board 423 makes the indicator part 51 indicate a mass (initial value) at this time as “0 (ml).”
Then by driving the suction pump 53, air within the collection container 2 is sucked through the suction inlet 23 b of the container lid 23, the air flow passage 414 of the main body lid 41, and a communication pipe not shown, the inside of the collection container 2 is adapted to be reduced in pressure.
Then the inside of the collection container 2 is reduced in pressure, and thereby the urine is sucked and collected in the container 2 from the urine receiver R through the tube T, the urine flow passage 413 of the main body lid 41, and the suction inlet 23 b of the container lid 23.
For example, the control board 423 can drive the suction pump 53 according to a signal of such the manual mode drive switch 517 from the operation panel 51 a. Furthermore, when not receiving a signal from the urine sensor S1 for a predetermined time, the control board 423 can intermittently operate the suction pump 53. Thus configured, it is possible to ventilate an inside of the urine receiver R, remove humidity thereof, and make a user comfortable. Specifically, for example, the suction pump 53 is automatically controlled for ten seconds every 15 to 60 minutes.
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