CN113018547A - Heating tray for peritoneal dialysis - Google Patents
Heating tray for peritoneal dialysis Download PDFInfo
- Publication number
- CN113018547A CN113018547A CN202110203856.9A CN202110203856A CN113018547A CN 113018547 A CN113018547 A CN 113018547A CN 202110203856 A CN202110203856 A CN 202110203856A CN 113018547 A CN113018547 A CN 113018547A
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- CN
- China
- Prior art keywords
- peritoneal dialysis
- liquid level
- heating
- area
- heating tray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
- A61M1/287—Dialysates therefor
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/28—Peritoneal dialysis ; Other peritoneal treatment, e.g. oxygenation
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3386—Low level detectors
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
Abstract
The invention discloses a heating tray for peritoneal dialysis, which is provided with a liquid level contact surface for placing a peritoneal dialysis liquid medicine bag, wherein the liquid level contact surface is provided with a heating area and a temperature-sensitive area, and a liquid level detection area, which is connected with the heating area and the temperature-sensitive area, and is used for monitoring the flowing state of liquid medicine in the peritoneal dialysis liquid medicine bag to be used in a heating and heat-preserving state in the treatment process, providing the flowing state information of the liquid medicine in the peritoneal dialysis liquid medicine bag to be used for associated peritoneal dialysis equipment, and preventing the occurrence of excessive injection caused by the failure of a related gas circuit switch or valve connected with the peritoneal dialysis liquid medicine bag to be used when the peritoneal dialysis equipment associated with the peritoneal dialysis equipment is in a non-injection state.
Description
Technical Field
The invention relates to the field of peritoneal dialysis, in particular to a heating tray for peritoneal dialysis.
Background
Peritoneal Dialysis (PD) is a dialysis method that uses the peritoneum of the body itself as a dialysis membrane, called peritoneal dialysis for short; the dialysate filled into the abdominal cavity exchanges solute and moisture with the plasma components in the capillary vessel on the other side of the peritoneal cavity, so that metabolites and excessive moisture remained in the body are removed, and nutrients necessary for the human body are supplemented by the dialysate; the aim of kidney substitution or supporting treatment is achieved by continuously updating the dialysis solution, a peritoneal dialysis patient adopting a peritoneal dialysis treatment mode can be treated by adopting a manual or automatic peritoneal dialysis machine mode, and the manual treatment can occupy more time in the day.
Peritoneal dialysis patient uses the automatic peritoneal dialysis machine can realize night treatment, daytime free work and life, and automatic peritoneal dialysis machine has the benefit of multiple use, and heating and temperature measurement on the heater of automatic peritoneal dialysis machine on the current market all accomplish with a heating tray of sharing basically, before infusing the treatment, place peritoneal dialysis liquid medicine bag heating heat preservation in heating tray department can. The liquid medicine bag that automatic peritoneal dialysis machine used contains and is in waiting to use the liquid medicine bag and be in a plurality of supplementary liquid medicine bags of suspended state on the heating tray, waits to use liquid medicine bag and a plurality of supplementary liquid medicine bags all to be equipped with the pipeline, and these pipelines are linked together with disposable liquid collecting box, and disposable liquid collecting box installs the card floodgate department on automatic peritoneal dialysis machine, and its card floodgate is equipped with a plurality of gas circuit switches. The air circuit switches are used for controlling the liquid medicine in the liquid medicine bag to be used on the heating tray to be injected into the abdominal cavity of the human body, supplementing the liquid medicine in the liquid medicine bag to enter the liquid medicine bag to be used on the heating tray and enabling waste liquid in the abdominal cavity of the human body to enter the waste liquid barrel. These air circuit switches can generate tens of thousands of switching actions in the course of treatment for many years, and the more the times of switching, the more the switch is easy to age and lose efficacy, and the failed switch can bring various potential safety hazards. The liquid is changed 4 times a day for calculation, the supplement bag for each treatment is provided with 3 bags, each bag is 2000 ml, each bag is opened and closed once every 20 ml, compared with the action frequency of an air channel switch connected with the supplement bag, the supplement bag can be acted 300 times more every day, 109500 times more actions are required for one year, the supplement bag can be acted 876000 times more for 8 years according to the service life of an automatic peritoneal dialysis machine, the actual opening and closing action frequency is more, and therefore abrasion and aging failure are easy to occur. If the air circuit switch of the medicine liquid bag to be used on the heating tray fails, excessive injection can possibly occur, the abdominal cavity of a patient is expanded, even the rupture is caused, and the safety accident is caused.
Disclosure of Invention
Based on the above risks, it is necessary to perfect the design of the heating tray on the automated peritoneal dialysis machine, so as to monitor the flowing state of the liquid medicine in the to-be-used peritoneal dialysis liquid medicine bag in the heating and heat preservation state during the treatment process, provide the flowing state information of the liquid medicine in the to-be-used peritoneal dialysis liquid medicine bag for the automated peritoneal dialysis machine, and prevent the occurrence of an excessive injection accident caused by the failure of the gas circuit switch or valve of the to-be-used peritoneal dialysis liquid medicine bag for the automated peritoneal dialysis machine.
The technical solution adopted by the invention for solving the technical problems is as follows: the utility model provides a peritoneal dialysis is with heating tray, peritoneal dialysis be equipped with the liquid level contact surface that peritoneal dialysis liquid medicine bag placed with heating tray, liquid level contact surface be equipped with the zone of heating and temperature sensing district, liquid level contact surface still be equipped with the liquid level detection area, the liquid level detection area with the zone of heating with temperature sensing district be connected.
The further technical scheme of the invention is as follows: the liquid level detection area comprises a strip detection device provided with a plurality of sections of detection electrodes and a common electrode.
The further technical scheme of the invention is as follows: the length of the liquid level detection area is at least greater than or equal to the length of the peritoneal dialysis solution bag placed on the liquid level contact surface.
The further technical scheme of the invention is as follows: the heating zone be equipped with heating element, the left end in liquid level detection district be in the heating zone the heating element's of heating zone the outside perpendicular line outside of the left outside.
The further technical scheme of the invention is as follows: the temperature sensing area is provided with a temperature sensing probe, and the right tail end of the liquid level detection area is positioned outside a vertical line of the right outer edge of the temperature sensing probe of the temperature sensing area.
The further technical scheme of the invention is as follows: when the heating tray for peritoneal dialysis is used for liquid level detection, the liquid level detection area is in a slope shape with a high left and a low right, and the peritoneal dialysis liquid medicine bag on the liquid level detection area is also in a slope shape with a high left and a low right.
The further technical scheme of the invention is as follows: the liquid level contact surface still be equipped with the lamp area, the length in lamp area suits with the length of peritoneal dialysis liquid medicine bag, in the treatment process, according to the testing result in liquid level detection zone to remaining liquid medicine or injected into the liquid medicine carry out corresponding light instruction and/or the instruction of turning off the light.
The further technical scheme of the invention is as follows: the liquid level detection area is arranged in the middle or the secondary middle of the liquid level contact surface.
The further technical scheme of the invention is as follows: the strip detection device is provided with a processor with a communication interface and a power supply connecting wire, the processor is connected with the plurality of sections of detection electrodes, and liquid level detection information is sent to the outside through the communication interface on the processor.
The further technical scheme of the invention is as follows: the liquid level contact surface is provided with a mark of a placement area of the peritoneal dialysis solution bag.
The invention has the beneficial effects that: the design of the heating tray on the automatic peritoneal dialysis machine is perfected, and the liquid level detection area is arranged, so that the flowing state of the liquid medicine in the to-be-used peritoneal dialysis liquid medicine bag in the heating and heat preservation state on the automatic peritoneal dialysis machine can be monitored in the treatment process, and the flowing state information of the liquid medicine in the to-be-used peritoneal dialysis liquid medicine bag is provided for the automatic peritoneal dialysis machine. When the peritoneal dialysis machine is in a non-infusion state, the liquid level in the to-be-used peritoneal dialysis liquid bag is kept static and unchanged, once the liquid level detection area detects that the liquid level in the to-be-used peritoneal dialysis liquid bag is continuously reduced, the fact that the liquid in the to-be-used peritoneal dialysis liquid bag flows in an unset mode is indicated, fatigue failure of an associated gas circuit switch or valve is very likely to happen, liquid level detection information at the moment is sent to the automatic peritoneal dialysis machine, the automatic peritoneal dialysis machine obtains the information and sends out a corresponding alarm to seek manual release action, or a standby gas circuit switch or valve is started to carry out remedial action, and therefore the occurrence of excessive infusion accidents caused by failure of the gas circuit switch or valve used for controlling the to-be-used peritoneal dialysis liquid bag is effectively prevented. When infusion therapy is carried out, the liquid level in the to-be-used peritoneal dialysis liquid medicine bag is not empty, the liquid level detection area indicates that the liquid medicine in the to-be-used peritoneal dialysis liquid medicine bag needs to be supplemented or the current infusion therapy faces to be finished once the liquid level in the to-be-used peritoneal dialysis liquid medicine bag is detected to be close to empty or empty, the liquid level detection information at the moment is sent to the automatic peritoneal dialysis machine, the automatic peritoneal dialysis machine acquires the information and carries out automatic liquid supplementing action or sends out corresponding notification, and automatic maintenance of continuous normal therapy or manual operation seeking are facilitated. The heating tray realized by the invention not only can be used for an automatic peritoneal dialysis machine, but also can be used for other types of peritoneal dialysis heating equipment to realize the corresponding detection of the liquid level of a peritoneal dialysis liquid medicine bag to be used in the heating and heat preservation process, thereby improving the risk management degree of the peritoneal dialysis liquid medicine bag.
Drawings
Fig. 1 is a schematic structural view of a heating tray for peritoneal dialysis provided by the invention.
Fig. 2 is a schematic structural diagram of the liquid level detection device provided by the invention.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments:
see figure 1, a peritoneal dialysis is with heating tray, peritoneal dialysis be with heating tray be equipped with the liquid level contact surface 1 that peritoneal dialysis liquid medicine bag placed, liquid level contact surface 1 be equipped with the zone of heating 2 and temperature sensing zone 3, liquid level contact surface 1 still be equipped with liquid level detection zone 4, liquid level detection zone 4 with the zone of heating 2 with temperature sensing zone 3 be connected.
Referring to fig. 1 and 2, the liquid level detection region 4 is provided with an elongated detection device 7 having a plurality of detection electrodes 5 and a common electrode 6, the detection electrodes 5 and the common electrode 6 are spaced by a distance 8 of 1mm or more, the elongated detection device 7 is disposed on the lower surface of the bottom of the heating tray and is closely attached to the lower surface thereof, the thickness of the heating tray is preferably about 1mm, the detection electrodes 5 and the common electrode 6 form a capacitor, and the capacitance value is different due to the existence of a liquid medicine or the absence of a liquid medicine on the heating tray.
Referring to fig. 1, the length of the fluid level detection zone 4 is at least equal to or greater than the length of a peritoneal dialysis solution bag (not shown) placed on the fluid level contact surface 1 to achieve a sufficiently compatible detection.
Referring to fig. 1, for the sake of structural clarity, in the present embodiment, the heating area 2 is provided with heating elements 9 and 10, and the left end 11 of the liquid level detection area 4 is located outside the vertical line of the left outer edges of the heating elements 9 and 10.
Referring to fig. 1, the temperature sensing region 3 is provided with a temperature sensing probe 12, and a right end 13 of the liquid level sensing region 4 is located outside a vertical line of a right outer edge of the temperature sensing probe 12.
Referring to fig. 1, when the peritoneal dialysis heating tray is used for liquid level detection, the liquid level detection area 4 is in a slope shape with a height from left to right, and a peritoneal dialysis solution bag (not shown) thereon is also in a slope shape with a height from left to right, so that liquid can flow and the liquid level of the flowing liquid can be detected.
See fig. 1, liquid level contact surface 1 still be equipped with lamp area 14, the length in lamp area 14 suits with the length of peritoneal dialysis medical fluid bag (not drawn), lamp area 14 on be equipped with a plurality of luminous LEDs, lamp area 14 can inlay and install the lower surface of peritoneal dialysis heating tray, luminous LED's light pierces through the heating tray, in the treatment process, lamp area 14 carry out corresponding light instruction and/or the instruction of going out the light to remaining liquid medicine or injected into the liquid medicine according to the testing result of liquid level detection zone 4.
The level detection zone 4 is arranged in the middle or sub-middle of the level contact surface 1, see fig. 1.
Referring to fig. 2, the strip detecting device 7 is provided with a processor 15 with a communication interface and a power supply connection line 16, the processor 15 is connected with the plurality of detecting electrodes 5, and the liquid level detection information is sent out through the communication interface on the processor 15.
Referring to fig. 2, the multi-section detecting electrode 5 has at least three stages, in this embodiment, 15 stages.
Referring to fig. 1, the liquid level contact surface 1 is provided with a placement area mark 17 of a peritoneal dialysis solution bag (not shown), which is a frame-shaped picture printed on the heating tray in this embodiment.
As the full-automatic peritoneal dialysis machine is provided with a circuit control board, a related heating and heat-preserving program, therapy control software and the like, the connection of the heating tray and the main body thereof in a matching way and the professional knowledge of liquid level detection are common knowledge in the industry, and the invention is not repeated herein.
Claims (10)
1. The utility model provides a peritoneal dialysis is with heating tray, peritoneal dialysis be equipped with the liquid level contact surface that peritoneal dialysis liquid medicine bag placed with heating tray, liquid level contact surface be equipped with the zone of heating and temperature sensing district, its characterized in that: the liquid level contact surface is also provided with a liquid level detection area which is connected with the heating area and the temperature sensing area.
2. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: the liquid level detection area comprises a strip detection device provided with a plurality of sections of detection electrodes and a common electrode.
3. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: the length of the liquid level detection area is at least greater than or equal to the length of the peritoneal dialysis solution bag placed on the liquid level contact surface.
4. The heating tray for peritoneal dialysis as claimed in claim 1, the heating zone being provided with a heating element, characterized in that: the left end of the liquid level detection area is positioned outside a vertical line of the left outer edge of the heating element of the heating area.
5. The heating tray for peritoneal dialysis as claimed in claim 1, wherein the temperature-sensitive region is provided with a temperature-sensitive probe, characterized in that: the right tail end of the liquid level detection area is positioned outside a perpendicular line of the right outer edge of the temperature sensing probe of the temperature sensing area.
6. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: when the heating tray for peritoneal dialysis is used for liquid level detection, the liquid level detection area is in a slope shape with a high left part and a low right part.
7. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: the liquid level contact surface still be equipped with the lamp area, the length in lamp area suits with the length of peritoneal dialysis liquid medicine bag, in the treatment process, according to the testing result in liquid level detection zone to remaining liquid medicine or injected into the liquid medicine carry out corresponding light instruction and/or the instruction of turning off the light.
8. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: the liquid level detection area is arranged in the middle or the secondary middle of the liquid level contact surface.
9. The heating tray for peritoneal dialysis as claimed in claim 2, characterized in that: the strip detection device is provided with a processor with a communication interface, the processor is connected with the plurality of sections of detection electrodes, and liquid level detection information is sent to the outside through the communication interface on the processor.
10. The heating tray for peritoneal dialysis as claimed in claim 1, characterized in that: the liquid level contact surface is provided with a mark of a placement area of the peritoneal dialysis solution bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203856.9A CN113018547A (en) | 2021-02-23 | 2021-02-23 | Heating tray for peritoneal dialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110203856.9A CN113018547A (en) | 2021-02-23 | 2021-02-23 | Heating tray for peritoneal dialysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113018547A true CN113018547A (en) | 2021-06-25 |
Family
ID=76460915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110203856.9A Pending CN113018547A (en) | 2021-02-23 | 2021-02-23 | Heating tray for peritoneal dialysis |
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|---|---|
| CN (1) | CN113018547A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090009179A1 (en) * | 2007-07-05 | 2009-01-08 | Baxter International Inc. | Apparatus and method for verifying a seal between mutiple chambers |
| KR101093489B1 (en) * | 2011-06-02 | 2011-12-16 | 박시명 | An apparatus relating to hemodialysis, hemodiafiltration, hemofiltration or peritoneal dialysis having function for rise temperature |
| US20200209043A1 (en) * | 2018-12-27 | 2020-07-02 | Fresenius Medical Care Holdings, Inc. | Capacitive sensing for priming of dialysis machines |
| CN111729143A (en) * | 2020-06-24 | 2020-10-02 | 苏州爱力想电子科技有限公司 | Heater for peritoneal dialysis |
| CN214968218U (en) * | 2021-02-23 | 2021-12-03 | 苏州爱力想电子科技有限公司 | Heating tray for peritoneal dialysis |
-
2021
- 2021-02-23 CN CN202110203856.9A patent/CN113018547A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090009179A1 (en) * | 2007-07-05 | 2009-01-08 | Baxter International Inc. | Apparatus and method for verifying a seal between mutiple chambers |
| KR101093489B1 (en) * | 2011-06-02 | 2011-12-16 | 박시명 | An apparatus relating to hemodialysis, hemodiafiltration, hemofiltration or peritoneal dialysis having function for rise temperature |
| US20200209043A1 (en) * | 2018-12-27 | 2020-07-02 | Fresenius Medical Care Holdings, Inc. | Capacitive sensing for priming of dialysis machines |
| CN111729143A (en) * | 2020-06-24 | 2020-10-02 | 苏州爱力想电子科技有限公司 | Heater for peritoneal dialysis |
| CN214968218U (en) * | 2021-02-23 | 2021-12-03 | 苏州爱力想电子科技有限公司 | Heating tray for peritoneal dialysis |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |