CN209771019U - Infusion alarm system and infusion bag - Google Patents
Infusion alarm system and infusion bag Download PDFInfo
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- CN209771019U CN209771019U CN201822086610.4U CN201822086610U CN209771019U CN 209771019 U CN209771019 U CN 209771019U CN 201822086610 U CN201822086610 U CN 201822086610U CN 209771019 U CN209771019 U CN 209771019U
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- 239000007788 liquid Substances 0.000 claims abstract description 57
- 238000004891 communication Methods 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 19
- 239000012528 membrane Substances 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000003814 drug Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008155 medical solution Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
the utility model provides an infusion alarm system and infusion bag, include: a communication interface connected with the piezoelectric sensor is arranged on the host; the piezoelectric sensor is used for detecting the change of the surface tension in the infusion bag to obtain a pressure-variable signal and transmitting the pressure-variable signal to the host; the host is used for processing the pressure change signal to obtain liquid level information of the infusion bag so as to alarm and remind when the liquid level of the infusion bag is lower than a preset liquid level; the host computer also comprises a central processing module which is in communication connection with the monitoring platform so as to transmit the alarm information to the monitoring platform. The utility model provides a pair of infusion alarm system and infusion bag makes medical staff change infusion bag for corresponding patient as early as possible, does not need medical personnel to pay close attention to patient's infusion bag's liquid level state constantly, promotes medical staff's work efficiency.
Description
Technical Field
The utility model relates to an infusion alarm technical field especially relates to an infusion alarm system and infusion bag.
background
Infusion, also known as drip infusion or drip infusion, is a common medical treatment means and is infused into a large dose of injection in a patient body through intravenous drip. Generally, the infusion time is long, and the height of the infusion bag is required to be higher than the heart pressure of the human heart, so that the person to be infused needs to sit or lie.
In the prior art, a person needing to be transfused, a nursing worker or a relative need to stare at the margin of an infusion bag at any time, and a medical worker is called before the margin of the infusion bag is finished, so that the person always loses time due to distraction, the conditions of blood backflow and the like in the infusion process are caused, the health of the person needing to be transfused is endangered, the life safety is seriously threatened, and the user experience is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an infusion alarm system and infusion bag makes medical staff can change infusion bag for corresponding patient as early as possible, does not need medical staff to pay close attention to the liquid level state of patient's infusion bag constantly, promotes medical staff's work efficiency.
The utility model provides an infusion alarm system, infusion alarm system includes: the piezoelectric sensor comprises a host, wherein a communication interface connected with the piezoelectric sensor is arranged on the host; the piezoelectric sensor is used for detecting the change of the surface tension in the infusion bag to obtain a pressure-variable signal and transmitting the pressure-variable signal to the host; the host is used for processing the pressure change signal to obtain liquid level information of the infusion bag so as to alarm and remind when the liquid level of the infusion bag is lower than a preset liquid level;
The host computer also comprises a central processing module which is in communication connection with the monitoring platform so as to transmit the alarm information to the monitoring platform.
Specifically, still include piezoelectric sensor, piezoelectric sensor is connected to communication interface, piezoelectric sensor sets up through pasting the mode or integrated mode the surface of infusion bag.
Specifically, the piezoelectric sensor is arranged on the lower portion of the outer surface of the infusion bag in a pasting mode, and a signal output end of the piezoelectric sensor is connected with the communication interface through a connecting wire.
Specifically, the piezoelectric sensor is integrated in the lower portion of the outer surface of the infusion bag in an integrated mode, a signal output end of the piezoelectric sensor is arranged on the top of a hanging ring of the infusion bag and is directly connected with a communication interface in the host, and a wire between the signal output end of the piezoelectric sensor and the piezoelectric sensor is arranged in an interlayer of the infusion bag.
Specifically, the number of the piezoelectric sensors is two, the two groups of the piezoelectric sensors are a first piezoelectric sensor and a second piezoelectric sensor, the first piezoelectric sensor is arranged along the vertical direction, and the second piezoelectric sensor is arranged along the transverse direction; one part of the first piezoelectric sensor along the length direction is integrated on a hard part in the bottom of the infusion bag, and the other part of the first piezoelectric sensor along the length direction is integrated on a soft outer membrane part at the lower part of the infusion bag; the second piezoelectric sensor is integrated in a lateral direction over the top of the first piezoelectric sensor in the infusion bag.
Specifically, the second piezoelectric sensor is multiplexed, and the multiplexed second piezoelectric sensors are integrated in parallel above the top of the first piezoelectric sensor in the infusion bag.
specifically, one part of the piezoelectric sensor in the length direction is arranged on a hard part in the bottom of the infusion bag, and the other part of the piezoelectric sensor in the length direction is arranged on a soft outer film part at the lower part of the infusion bag.
Specifically, the piezoelectric sensor is a piezoresistive elliptical piezoelectric sensor or a piezoresistive variable resistance wire.
The utility model also provides an infusion bag, including being used for acquireing the piezoelectric sensor of surface tension in the infusion bag, piezoelectric sensor sets up in infusion bag's surface, piezoelectric sensor sets up through pasting mode or integrated mode infusion bag's surface.
Specifically, the piezoelectric sensor is used for detecting the change of the surface tension of the infusion bag to obtain a pressure change signal and transmitting the pressure change signal to a host connected with the piezoelectric sensor; the host is used for processing the pressure change signal to obtain liquid level information of the infusion bag, so that alarm reminding is performed when the liquid level of the infusion bag is lower than a preset liquid level.
Specifically, the piezoelectric sensor is integrated on the lower portion of the outer surface of the infusion bag in an integrated mode, a signal output end of the piezoelectric sensor is arranged on the top of a hanging ring of the infusion bag and is used for being connected with a communication interface in the host, and a lead between the signal output end of the piezoelectric sensor and the piezoelectric sensor is arranged in an interlayer of the infusion bag.
Specifically, the number of the piezoelectric sensors is two, the two groups of the piezoelectric sensors are a first piezoelectric sensor and a second piezoelectric sensor, the first piezoelectric sensor is arranged along the vertical direction, and the second piezoelectric sensor is arranged along the transverse direction; one part of the first piezoelectric sensor along the length direction is integrated on a hard part in the bottom of the infusion bag, and the other part of the first piezoelectric sensor along the length direction is integrated on a soft outer membrane part at the lower part of the infusion bag; the second piezoelectric sensor is integrated in a lateral direction over the top of the first piezoelectric sensor in the infusion bag.
Specifically, the second piezoelectric sensor is multiplexed, and the multiplexed second piezoelectric sensors are integrated in parallel above the top of the first piezoelectric sensor in the infusion bag.
Specifically, one part of the piezoelectric sensor in the length direction is arranged on a hard part in the bottom of the infusion bag, and the other part of the piezoelectric sensor in the length direction is arranged on a soft outer film part at the lower part of the infusion bag.
Specifically, infusion alarm system and infusion bag that this embodiment provided, through be provided with the communication interface who is connected with piezoelectric sensor on the host computer, piezoelectric sensor is used for detecting the change of surface tension in the infusion bag and obtains pressing the signal of changing, and will press the signal transmission to the host computer that changes, the host computer is used for pressing the signal of changing and handle the liquid level information that obtains infusion bag, in order to carry out the alarm when infusion bag's liquid level is less than preset liquid level and remind, and central processing module in the host computer and guardianship platform communication connection are in order to convey alarm information to the guardianship platform, thereby make medical staff can change infusion bag for the patient that corresponds as early as possible, need not medical staff pay close attention to the liquid level state of patient's infusion bag constantly.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a block diagram of an infusion alarm system according to a first embodiment of the present invention;
FIG. 2 is a block diagram of an infusion alarm system according to a second embodiment of the present invention;
FIG. 3 is a schematic structural view of an infusion alarm system according to a third embodiment of the present invention;
Fig. 4 is a schematic top view of a portion of the infusion bag of fig. 3 in a state filled with a medical fluid;
fig. 5 is a schematic top view of a part of the infusion bag in fig. 3 in the state of infusion ending;
FIG. 6 is a schematic structural view of an infusion alarm system according to a fourth embodiment of the present invention;
Fig. 7 is a schematic structural view of an infusion alarm system according to a fifth embodiment of the present invention;
FIG. 8 is a schematic structural view of an infusion alarm system according to a sixth embodiment of the present invention;
FIG. 9 is a schematic diagram of a piezoelectric sensor in an infusion alarm system;
fig. 10 is a block diagram showing a structure of an infusion bag according to a seventh embodiment of the present invention;
Fig. 11 is a block diagram illustrating a connection between the piezoelectric sensor and the host in fig. 10.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
Fig. 1 is a block diagram of an infusion alarm system 100 according to a first embodiment of the present invention. As shown in fig. 1, the infusion alarm system 100 of the present embodiment includes: a host 110. The host 110 is provided with a communication interface connected to the piezoelectric sensor.
Further, in one embodiment, the infusion alarm system 100 further includes a piezoelectric sensor 120. The piezoelectric sensor 120 is connected to a communication interface of the host 110. Specifically, the host 110 is electrically connected to the piezoelectric sensor 120, and calculates the surface tension of the infusion bag according to the resistance value of the piezoelectric sensor, so as to receive a pressure variation signal corresponding to the surface tension in the infusion bag, which is collected by the piezoelectric sensor 120.
Specifically, in one embodiment, the main unit 110 may be, but is not limited to, hung on a transfusion stand, for example, in other embodiments, the main unit 110 may also be directly integrated on the transfusion stand. Specifically, in the present embodiment, the piezoelectric sensor 120 is used as a passive device, and specifically, in one embodiment, the piezoelectric sensor 120 may be attached to the outer surface of the infusion bag in a patch manner, for example, the piezoelectric sensor 120 may be attached to the lower portion of the outer surface of the infusion bag by a double-sided adhesive tape. In particular, in another embodiment, the piezoelectric sensor 120 may also be integrated directly on the outer surface of the infusion bag.
specifically, in one embodiment, the host 110 and the piezoelectric sensor 120 are communicatively coupled by wires. Specifically, the host 110 calculates a pressure change signal corresponding to the surface tension transmitted by the piezoelectric sensor 120 to determine whether the infusion of the current infusion bag of the corresponding patient is finished.
Specifically, in one embodiment, the host further comprises a central processing module. The central processing module is in communication connection with the monitoring platform to transmit the alarm information to the monitoring platform.
Referring to fig. 2, fig. 2 is a block diagram of an infusion alarm system 100 according to a second embodiment of the present invention. As shown in fig. 1 and fig. 2, the infusion alarm system 100 of the present embodiment further includes a monitoring platform 130, and the host 110 is further communicatively connected to the monitoring platform 130.
Specifically, in one embodiment, the piezoelectric sensor 120 is configured to detect a change in surface tension of the infusion bag to obtain a corresponding pressure-variable signal, and transmit the pressure-variable signal to the host 110. The host 110 is configured to process the pressure-variable signal to obtain liquid level information of the infusion bag hung on the hook, so as to alarm and remind when the liquid level of the infusion bag is lower than a preset liquid level, and send the liquid level information to the monitoring platform 130. The monitoring platform 130 is used for displaying liquid level information, and gives an alarm when the liquid level of the corresponding infusion bag is lower than a preset liquid level, so that medical staff can replace the infusion bag for the corresponding patient as soon as possible, the medical staff does not need to pay attention to the liquid level state of the infusion bag of the patient all the time, and the working efficiency of the medical staff is improved.
Specifically, in one embodiment, the host 110 includes a central processing module 111, a power module 112, and an alarm module 114. Specifically, the central processing module 111 is connected to the power module 112 and the alarm module 114, respectively. The central processing module 111 is also communicatively coupled to the monitoring platform 130.
Further, in an embodiment, the host 110 further includes a peripheral interface module 113 and an ethernet interface 115, the central processing module 111 is connected to the peripheral interface module 113, the peripheral interface module 113 is further connected to the alarm module 114, the ethernet interface 115 and the communication interface, respectively, and the ethernet interface 115 is further connected to the monitoring platform 130 in a communication manner.
Further, in an embodiment, the host 110 further includes a wireless module 116, the wireless module 116 is communicatively connected to the central processing module 111, and the wireless module 116 is further communicatively connected to the monitoring platform 130 through WIFI communication, bluetooth communication or NB-loT communication.
Specifically, in an embodiment, the central processing module 111 is configured to drive the peripheral interface module 113, acquire pressure-change data detected by the piezoelectric sensor 120, analyze the pressure-change data to obtain liquid level information of the infusion bag, drive the alarm module 114 to send an audible and visual prompt according to the liquid level information, and transmit alarm information to the monitoring platform 130 of the hospital through a network transmission protocol, so that medical staff can acquire the liquid level information of the infusion bag of a corresponding patient at the first time.
Specifically, in one embodiment, the power module 112 may be, but is not limited to, a built-in battery, for example, in other embodiments, the power module 112 may also be directly connected to an ac power source through a USB charging interface and a charging connector to supply power to each module in the host 110.
Specifically, in one embodiment, the peripheral interface module 113 is configured to drive the piezoelectric sensor 120 and receive a voltage variation signal transmitted by the piezoelectric sensor 120. The peripheral interface module 113 is further configured to connect the ethernet interface 115 to transmit the alarm information to the monitoring platform 130 of the hospital through the ethernet, so that the medical staff can obtain the liquid level information of the infusion bag of the corresponding patient at the first time.
Specifically, in one embodiment, a pluggable interface is used between the host 110 and the piezoelectric sensor 120, and the pluggable interface is preferably made of a magnetic material, so that when the medical staff places the host 110 and the piezoelectric sensor 120 in the correct direction, the interface between the host 110 and the piezoelectric sensor 120 is normally attracted. When the placement directions of the host 110 and the piezoelectric sensor 120 are wrong, the interface can not be normally attracted.
Specifically, in an embodiment, the alarm module 114 at least includes a buzzer or an LED warning light, and specifically, in this embodiment, the alarm module 114 includes a buzzer and an LED warning light at the same time, so that when the infusion of the infusion bag is finished, the corresponding alarm module 114 will give out an audible and visual prompt to prompt the patient and the medical staff to replace the corresponding infusion bag in time.
Specifically, in one embodiment, the wireless module 116 is configured to transmit the alarm information to the monitoring platform 130 through a wireless connection when the hospital supports wireless transmission.
Specifically, in an embodiment, the piezoelectric sensor 120 is a piezoresistive sensor, and the shape of the piezoelectric sensor 120 may be, but not limited to, an ellipse, for example, the shape of the piezoelectric sensor 120 may also be provided as a resistance wire. Specifically, in an embodiment, the piezoelectric sensor 120 may be, but is not limited to be, directly integrated in the interlayer of the infusion bag, for example, in other embodiments, the piezoelectric sensor 120 may also be pasted on the outer surface of the infusion bag as a separate device, so that the piezoelectric sensor 120 can be recycled, and the cost is saved.
specifically, in one embodiment, one part of the piezoelectric sensor 120 in the length direction is disposed on a hard portion in the bottom portion of the infusion bag, and the other part of the piezoelectric sensor 120 in the length direction is disposed on a soft outer film portion in the lower portion of the infusion bag, but the present invention is not limited thereto, and for example, in other embodiments, the piezoelectric sensor 120 may be disposed on the lower portion of the infusion bag in the horizontal direction.
referring to fig. 3, fig. 3 is a schematic structural diagram of an infusion alarm system 100 according to a third embodiment of the present invention. As shown in fig. 1 to 3, in the present embodiment, the infusion alarm system 100 includes a host 110, a connecting wire 150, and a piezoelectric sensor 120 that can be attached to an outer surface of an infusion bag 140.
Specifically, in one embodiment, a hook 117 is disposed at the lower portion of the main unit 110, one end of the hook 117 is fixedly connected to the lower end surface of the main unit 110, and the other end of the hook 117 is disposed near the lower end surface of the main unit 110 and forms a gap 118 with the lower end surface of the main unit 110, so that the infusion bag 140 can be conveniently hung on the hook 117. Specifically, the lower portion of the host 110 is further provided with a communication interface 152, and the communication interface 152 is communicatively connected to the piezoelectric sensor 120.
Specifically, in one embodiment, the connecting wire 150 is composed of a male buckle 151 and a conducting wire (not shown) at two ends.
specifically, in one embodiment, the piezoelectric sensor 120 may be, but is not limited to, a piezoresistive elliptical piezoelectric sensor 121, a wire 122, and a signal output terminal 123. Specifically, the wire 122 electrically connects the signal output terminal 123 with the piezoresistive elliptical piezoelectric sensor 121. The signal output 123 of the piezoelectric sensor 120 is communicatively coupled to a communication interface 152 of the host 110 via a connection 150.
specifically, in one embodiment, the piezoelectric sensor 120 is disposed on the infusion bag 140, and is configured to detect a pressure-variable signal corresponding to the surface tension of the infusion bag 140 to obtain a pressure-variable signal, and transmit the pressure-variable signal to the host 110. The host 110 is used for processing the pressure change signal to obtain the liquid level information of the infusion bag 140 hung on the hook 117, so as to alarm and remind when the liquid level of the infusion bag 140 is lower than a preset liquid level.
Specifically, in one embodiment, the piezoelectric sensor 120 is disposed on a lower portion of the outer surface of the infusion bag 140 by an adhesive or an integrated manner.
specifically, in one embodiment, when the piezoelectric sensor 120 is disposed on the lower portion of the outer surface of the infusion bag 140 by means of adhesion, for example, the piezoelectric sensor 120 is adhered to a position close to the lower portion of the infusion bag 140. Specifically, the signal output terminal 123 of the piezoelectric sensor 120 is disposed near the piezoelectric sensor 120, and the signal output terminal 123 is connected to the communication interface 152 through the connection line 150.
Specifically, in an embodiment, the piezoelectric sensor 120 may be customized as a flexible adhesive tape, and is attached to the outer wall of the lower outlet tube 142 of the infusion bag 140 in a ring-shaped manner or directly attached to the outer wall of the infusion bag 140, so that the present infusion bag 140 is compatible, and intelligent monitoring of an infusion process can be realized. For example, medical personnel can arrange multichannel piezoelectric sensor 120 at infusion bag 140 surface, infusion bag 140's lower drain pipe 142, monitor the infusion process, carry out the early warning that the infusion is about to end, stability is high and the reliability is high, does not need medical personnel to pay close attention to patient's infusion bag 140's liquid level state constantly, promotes medical personnel's work efficiency.
Referring to fig. 4 and 5 together, fig. 4 is a schematic top view of the infusion bag 140 in fig. 3 in a state of being filled with a liquid medicine, and fig. 5 is a schematic top view of the infusion bag 140 in fig. 3 in a state of ending infusion. As shown in fig. 1 to 5, specifically, before infusion starts, the infusion bag 140 is filled with a liquid medicine, the liquid medicine has an outward pressure on the wall of the infusion bag 140, and the piezoelectric sensor 120 is in a convex shape; when the infusion is finished, the bag arms on the two sides of the infusion are gradually attached, the piezoelectric sensor 120 gradually returns to be flat, the detected pressure value is reduced, and when the pressure is smaller than the preset threshold value, the infusion is judged to be finished.
Specifically, in one embodiment, during the use of the infusion alarm, the medical staff sticks the piezoelectric sensor 120 on the outer surface of the infusion bag 140, and makes the piezoelectric sensor 120 close to one end of the lower outlet tube 142 of the infusion bag 140, hangs the infusion bag 140 on the hook 117 of the host 110, and electrically connects the piezoelectric sensor 120 with the host 110 by the connection wire 150. Specifically, in the initial stage of infusion, the infusion bag 140 is filled with the medical solution, the outer surface of the infusion bag 140 protrudes (as shown in fig. 4), the piezoelectric sensor 120 protrudes under the external surface tension of the infusion bag 140, and the resistance of the piezoelectric sensor 120 changes, for example, when the material property of the piezoelectric sensor 120 is that the pressure is proportional to the resistance, the resistance of the piezoelectric sensor 120 increases when the pressure increases, and conversely, the resistance decreases.
Specifically, in one embodiment, when the infusion is finished (as shown in fig. 5), the infusion bag 140 is in a flat state, and the piezoelectric sensor 120 is in a flat state, the resistance of the resistor of the piezoelectric sensor 120 is lower than the preset resistance. Specifically, when the host 110 detects that the resistance value of the piezoelectric sensor 120 is lower than the preset resistance value, that is, the liquid level of the infusion bag 140 is lower than the preset liquid level, the alarm information is sent to the alarm module 114 to control the alarm module 114 to send an alarm sound-light prompt, and meanwhile, the alarm information is sent to the monitoring platform 130 through a wireless network mode or a wired network mode, so that the medical staff can obtain the liquid level information of the infusion bag 140 of the corresponding patient at the first time.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an infusion alarm system 100 according to a fourth embodiment of the present invention. As shown in fig. 1 to 6, in the present embodiment, the infusion alarm system 100 includes a host 110 and a piezoelectric sensor 120 integrated on an infusion bag 140.
Specifically, in one embodiment, the main unit 110 includes a hanging ring 119 connected to the infusion stand, a hook 117 connected to the infusion bag 140, and a communication interface 152 electrically connected to the piezoelectric sensor 120, wherein the hook 117 has a notch 118 to facilitate hanging the infusion bag 140. Specifically, in one embodiment, the communication interface 152 of the host 110 and the signal output terminal 123 of the piezoelectric sensor 120 may both be made of magnetic materials, so as to ensure the easy operability and stability of the connection.
Specifically, in one embodiment, the infusion bag 140 integrated with the piezoelectric sensor 120 includes an infusion bag hanging ring 141, a lower outlet tube 142, a wire 122, an infusion bag end interface 124, and a piezoresistive elliptical piezoelectric sensor 121. Specifically, in one embodiment, the wires 122 are routed directly through the bag 140 and the bag end port 124 is disposed on the bag loop 141. Specifically, in one embodiment, the signal output terminal 123 of the piezoelectric sensor 120 is an infusion bag terminal interface 124, which is preferably made of a magnetic material, and the infusion bag terminal interface 124 is hung on the communication interface 153 of the host computer 110 during use, so as to electrically connect the host computer 110 and the piezoelectric sensor 120. The piezoresistive elliptical piezoelectric sensor 121 is electrically connected with an infusion bag end interface 124 through a wire 122 arranged on the inner liner of the infusion bag 140, and then transmits a voltage variable signal to the host 110.
Specifically, in the present embodiment, the resistance of the piezoelectric sensor 120 is integrated horizontally in the lower portion of the infusion bag 140 along the length direction, and is disposed near the bottom of the infusion bag 140.
specifically, in an embodiment, when the piezoelectric sensor 120 is integrated on the lower portion of the outer surface of the infusion bag 140, the signal output terminal 123 of the piezoelectric sensor 120 is disposed on the top of the hanging ring 119 of the infusion bag 140 and is directly connected to the communication interface 153 in the host 110, and the wire 122 between the signal output terminal 123 of the piezoelectric sensor 120 and the piezoelectric sensor 120 is disposed in the interlayer of the infusion bag 140.
Specifically, in one embodiment, during the use of the infusion alarm, the infusion bag 140 integrated with the piezoelectric sensor 120 is hung on the hook 117 of the host 110, and the communication interface 153 of the host 110 and the infusion bag end interface 124 are electrically connected. Specifically, in the initial stage of infusion, the infusion bag 140 is filled with the medical solution, the outer surface of the infusion bag 140 protrudes (as shown in fig. 4), the piezoelectric sensor 120 protrudes under the external surface tension of the infusion bag 140, and the resistance of the piezoelectric sensor 120 changes, for example, when the material property of the piezoelectric sensor 120 is that the pressure is proportional to the resistance, the resistance of the piezoelectric sensor 120 increases when the pressure increases, and conversely, the resistance decreases.
Specifically, in one embodiment, when the infusion is finished (as shown in fig. 5), the infusion bag 140 is in a flat state, and the piezoelectric sensor 120 is in a flat state, the resistance of the resistor of the piezoelectric sensor 120 is lower than the preset resistance. Specifically, when the host 110 detects that the resistance value of the piezoelectric sensor 120 is lower than the preset resistance value, that is, the liquid level of the infusion bag 140 is lower than the preset liquid level, the alarm information is sent to the alarm module 114 to control the alarm module 114 to send an alarm sound-light prompt, and meanwhile, the alarm information is sent to the monitoring platform 130 through a wireless network mode or a wired network mode, so that the medical staff can obtain the liquid level information of the infusion bag 140 of the corresponding patient at the first time.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an infusion alarm system 100 according to a fifth embodiment of the present invention. As shown in fig. 6 and 7, the infusion alarm system 100 of the present embodiment differs from the infusion alarm system 100 of the fourth embodiment in the location and orientation of the piezoelectric sensor 120 integrated with the infusion bag 140. Specifically, in one embodiment, one portion of the piezoelectric sensor 120 in the length direction is integrated on a hard portion in the bottom of the infusion bag 140 and another portion of the piezoelectric sensor 120 in the length direction is integrated on a soft outer membrane portion of the lower portion of the infusion bag 140.
specifically, in one embodiment, the piezoresistive elliptical piezoelectric sensor 121 is disposed on the inner liner of the infusion bag 140 and located at the lower edge of the infusion bag 140, and one half of the piezoresistive elliptical piezoelectric sensor 121 is embedded in the hard part of the infusion bag 140, and the other half is embedded in the soft outer membrane part of the infusion bag 140. Specifically, the piezoresistive elliptical piezoelectric transducer 121 is electrically connected to an infusion bag end interface 124 via a wire 122. Specifically, half of the piezoresistive elliptical piezoelectric sensor 121 is embedded in a hard part of the infusion bag 140 to play a role in fixing, and the other half of the piezoresistive elliptical piezoelectric sensor 121 is embedded in a soft film part, so that the bending change of the infusion bag 140 at the soft-hard joint in the infusion process is more obvious, for example, the infusion bag 140 is in an initial state before the infusion starts, the bending degree is the largest, the infusion bag 140 returns to be flat after the infusion is finished, and the piezoresistive elliptical piezoelectric sensor 121 is arranged at the bottom of the infusion bag 140, so that the end of the infusion bag 140 can be accurately detected, and the accuracy of infusion alarm is improved.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an infusion alarm system 100 according to a sixth embodiment of the present invention. As shown in FIGS. 7 and 8, the infusion alarm system 100 of the present embodiment differs from the infusion alarm system 100 of the fourth embodiment in that the number of piezoelectric sensors 120 is two.
specifically, in one embodiment, the two sets of piezoelectric sensors 120 are a first piezoelectric sensor 125 and a second piezoelectric sensor 126, where portions of the first piezoelectric sensor 125 are disposed in a vertical direction and the second piezoelectric sensor 126 is disposed in a lateral direction.
Specifically, in one embodiment, a portion of the first piezoelectric transducer 125 along the length direction is integrated on a hard portion in the bottom of the infusion bag 140 and another portion of the first piezoelectric transducer 125 along the length direction is integrated on a soft outer membrane portion of the lower portion of the infusion bag 140.
In particular, in an embodiment, the second piezoelectric sensor 126 is integrated in the lateral direction above the top of the first piezoelectric sensor 125 in the infusion bag 140. Specifically, the second piezoelectric sensors 126 are multiplexed, and the multiplexed second piezoelectric sensors 126 are integrated in parallel above the top of the first piezoelectric sensor 125 in the infusion bag 140. For example, as shown in fig. 8, the second piezoelectric sensors 126 comprise three paths, and particularly, the spacing between the second piezoelectric sensors 126 in the three paths may be set in an incremental manner, but is not limited thereto, for example, the second piezoelectric sensors 126 are arranged more densely near the bottom of the infusion bag 140 to improve the detection accuracy.
Specifically, in an embodiment, the piezoelectric sensor 120 is integrated on the lower liquid pipe of the infusion bag 140, whether infusion is finished or not is detected by the presence or absence of the tension change on the surface of the liquid medicine infusion bag 140, the piezoelectric sensor 120 is low in cost, can be directly integrated with the infusion bag 140, and intelligent monitoring of the infusion process can be achieved without additional operation of medical personnel.
Specifically, in an embodiment, the first piezoelectric sensor 125 and the second piezoelectric sensor 126 may be both configured as a piezoresistive elliptical piezoelectric sensor 121, but are not limited thereto, for example, in other embodiments, the first piezoelectric sensor 125 and the second piezoelectric sensor 126 may also be both configured as a piezoresistive elliptical piezoelectric sensor 127 (see fig. 9), or the first piezoelectric sensor 125 and the second piezoelectric sensor 126 may also be configured as a piezoresistive elliptical piezoelectric sensor 121 and/or a piezoresistive elliptical piezoelectric sensor 127.
Referring to fig. 9, fig. 9 is a schematic structural diagram of the piezoelectric sensor 120 in the infusion alarm system 100. As shown in fig. 1 to 9, the piezoelectric sensor 120 may be, but is not limited to, configured as a piezoresistive resistance wire 127, for example, in other embodiments, the piezoelectric sensor 120 may also be configured as a piezoresistive elliptical piezoelectric sensor 121.
Fig. 10 is a block diagram showing a structure of an infusion bag 200 according to a seventh embodiment of the present invention. As shown in fig. 10, the infusion bag 200 provided in the present embodiment includes a piezoelectric sensor 220 for acquiring surface tension in the infusion bag 200. Specifically, in one embodiment, the piezoelectric sensor 220 is disposed on a surface of the bag 200. Specifically, in one embodiment, the piezoelectric sensor is disposed on the outer surface of the infusion bag by an adhesive method or an integrated method.
specifically, in one embodiment, one part of the piezoelectric sensor 220 in the length direction is integrated on a hard part in the bottom of the infusion bag 200, and the other part of the piezoelectric sensor 220 in the length direction is integrated on a soft outer film part of the lower part of the infusion bag 200, but the invention is not limited thereto, and for example, in other embodiments, the pressure sensor may be arranged on the lower part of the infusion bag 200 in the horizontal direction.
Referring to fig. 11, fig. 11 is a block diagram illustrating a connection between the piezoelectric sensor 220 and the host in fig. 10. As shown in fig. 10 to 11, in the present embodiment, the piezoelectric sensor 220 is communicatively connected to the host 240. Specifically, in an embodiment, the piezoelectric sensor 220 in the infusion bag 200 is in communication connection with the host 240 in the infusion alarm system, so as to monitor the liquid level of the infusion bag 200, and medical staff is not required to monitor the liquid level of the infusion bag 200 at any time, thereby improving the working efficiency of the medical staff.
Specifically, in one embodiment, the piezoelectric sensor 220 is used for detecting a change in the surface tension of the infusion bag 200 to obtain a pressure-variable signal, and transmitting the pressure-variable signal to the host 240 connected to the piezoelectric sensor 220. The host 240 is configured to process the pressure-variable signal to obtain liquid level information of the infusion bag 200, so as to alarm and remind when the liquid level of the infusion bag 200 is lower than a preset liquid level.
Specifically, in one embodiment, the piezoelectric sensor 220 is integrated in the lower portion of the outer surface of the infusion bag 200 in an integrated manner, the signal output terminal of the piezoelectric sensor 220 is disposed on the top of the suspension loop of the infusion bag 200 and is used for directly connecting with the communication interface in the host 240, and the lead between the signal output terminal of the piezoelectric sensor 220 and the piezoelectric sensor 220 is disposed in the interlayer of the infusion bag 200.
Specifically, in one embodiment, the number of the piezoelectric sensors 220 is two, and the two sets of piezoelectric sensors 220 are a first piezoelectric sensor and a second piezoelectric sensor, wherein the first piezoelectric sensor is partially disposed in the vertical direction, and the second piezoelectric sensor is disposed in the horizontal direction. One part of the first piezoelectric sensor in the length direction is integrated on the hard portion in the bottom of the infusion bag 200, and the other part of the first piezoelectric sensor in the length direction is integrated on the soft outer membrane portion in the lower portion of the infusion bag 200. The second piezoelectric sensor is integrated in the lateral direction above the top of the first piezoelectric sensor in the infusion bag 200.
Specifically, in one embodiment, the second piezoelectric sensors are multiplexed, and multiple second piezoelectric sensors are integrated in parallel above the top of the first piezoelectric sensor in the infusion bag 200.
Specifically, in one embodiment, one portion of the piezoelectric sensor 220 in the longitudinal direction is disposed on a hard portion in the bottom of the infusion bag, and the other portion of the piezoelectric sensor 220 in the longitudinal direction is disposed on a soft outer membrane portion in the lower portion of the infusion bag.
In this embodiment, for the specific process and structure of each function unit of the piezoelectric sensor 220 in the infusion bag 200 to realize each function, please refer to the specific contents described in the embodiments shown in fig. 1 to 9, which are not described herein again.
In this embodiment, please refer to the specific contents described in the embodiments shown in fig. 1 to fig. 9 for the specific processes and structures for implementing the respective functions of the functional units of the host 240 in the infusion alarm system, which are not described herein again.
Specifically, infusion alarm system and infusion bag that this embodiment provided, through be provided with the communication interface who is connected with piezoelectric sensor on the host computer, piezoelectric sensor is used for detecting the change of surface tension in the infusion bag and obtains pressing the signal of changing, and will press the signal transmission to the host computer that changes, the host computer is used for pressing the signal of changing and handle the liquid level information that obtains infusion bag, in order to carry out the alarm when infusion bag's liquid level is less than preset liquid level and remind, and central processing module in the host computer and guardianship platform communication connection are in order to convey alarm information to the guardianship platform, thereby make medical staff can change infusion bag for the patient that corresponds as early as possible, need not medical staff pay close attention to the liquid level state of patient's infusion bag constantly.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
Claims (14)
1. An infusion alarm system, comprising: the piezoelectric sensor comprises a host, wherein a communication interface connected with the piezoelectric sensor is arranged on the host;
The piezoelectric sensor is used for detecting the change of the surface tension in the infusion bag to obtain a pressure-variable signal and transmitting the pressure-variable signal to the host;
The host is used for processing the pressure change signal to obtain liquid level information of the infusion bag so as to alarm and remind when the liquid level of the infusion bag is lower than a preset liquid level;
The host computer also comprises a central processing module which is in communication connection with the monitoring platform so as to transmit the alarm information to the monitoring platform.
2. The infusion alarm system according to claim 1, further comprising a piezoelectric sensor connected to the communication interface, wherein the piezoelectric sensor is disposed on an outer surface of the infusion bag by an adhesive or an integrated manner.
3. The infusion alarm system according to claim 2, wherein the piezoelectric sensor is arranged at the lower part of the outer surface of the infusion bag in an adhering manner, and the signal output end of the piezoelectric sensor is connected with the communication interface through a connecting wire.
4. the infusion alarm system according to claim 2, wherein the piezoelectric sensor is integrated in the lower part of the outer surface of the infusion bag, the signal output end of the piezoelectric sensor is arranged on the top of the suspension loop of the infusion bag and is directly connected with the communication interface in the host, and the lead between the signal output end of the piezoelectric sensor and the piezoelectric sensor is arranged in the interlayer of the infusion bag.
5. The infusion alarm system according to claim 4, wherein the number of said piezoelectric sensors is two, the two sets of said piezoelectric sensors being a first piezoelectric sensor and a second piezoelectric sensor, the first piezoelectric sensor being partially disposed in a vertical direction, the second piezoelectric sensor being disposed in a lateral direction;
one part of the first piezoelectric sensor along the length direction is integrated on a hard part in the bottom of the infusion bag, and the other part of the first piezoelectric sensor along the length direction is integrated on a soft outer membrane part at the lower part of the infusion bag;
The second piezoelectric sensor is integrated in a lateral direction over the top of the first piezoelectric sensor in the infusion bag.
6. The infusion alarm system of claim 5, wherein said second piezoelectric sensor is multiplexed and integrated in parallel over the top of said first piezoelectric sensor in said infusion bag.
7. The infusion alarm system according to claim 2, wherein one part of the piezoelectric sensor in the length direction is arranged on a hard part in the bottom of the infusion bag, and the other part of the piezoelectric sensor in the length direction is arranged on a soft outer membrane part in the lower part of the infusion bag.
8. The infusion alarm system of claim 2, wherein the piezoelectric sensor is a piezoresistive elliptical piezoelectric sensor or a piezoresistive resistance wire.
9. An infusion bag, characterized in that: including being used for acquireing surface tension's piezoelectric sensor in the infusion bag, piezoelectric sensor set up in the surface of infusion bag, piezoelectric sensor sets up through pasting the mode or integrated mode infusion bag's surface.
10. The infusion bag according to claim 9, wherein the piezoelectric transducer is configured to detect a change in surface tension of the infusion bag to obtain a pressure-change signal, and transmit the pressure-change signal to a host computer connected to the piezoelectric transducer;
The host is used for processing the pressure change signal to obtain liquid level information of the infusion bag, so that alarm reminding is performed when the liquid level of the infusion bag is lower than a preset liquid level.
11. The infusion bag according to claim 10, wherein the signal output of the piezoelectric sensor is arranged on the top of a suspension loop of the infusion bag and is adapted to be connected to a communication interface in the host,
And a lead between the signal output end of the piezoelectric sensor and the piezoelectric sensor is arranged in the interlayer of the infusion bag.
12. the infusion bag according to claim 11, wherein the number of the piezoelectric sensors is two, and the two sets of the piezoelectric sensors are a first piezoelectric sensor and a second piezoelectric sensor, and a part of the first piezoelectric sensor is disposed in a vertical direction and the second piezoelectric sensor is disposed in a lateral direction;
One part of the first piezoelectric sensor along the length direction is integrated on a hard part in the bottom of the infusion bag, and the other part of the first piezoelectric sensor along the length direction is integrated on a soft outer membrane part at the lower part of the infusion bag;
The second piezoelectric sensor is integrated in a lateral direction over the top of the first piezoelectric sensor in the infusion bag.
13. the infusion bag of claim 12, wherein the second piezoelectric transducer is multiplexed and integrated in parallel over the top of the first piezoelectric transducer in the infusion bag.
14. The infusion bag of claim 9, wherein one portion of the piezoelectric sensor in the longitudinal direction is disposed on a rigid portion in the bottom of the infusion bag and the other portion of the piezoelectric sensor in the longitudinal direction is disposed on a soft outer membrane portion in the lower portion of the infusion bag.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822086610.4U CN209771019U (en) | 2018-12-12 | 2018-12-12 | Infusion alarm system and infusion bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822086610.4U CN209771019U (en) | 2018-12-12 | 2018-12-12 | Infusion alarm system and infusion bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773479A (en) * | 2020-07-16 | 2020-10-16 | 海吉雅智慧医疗科技(广州)有限公司 | Infusion alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773479A (en) * | 2020-07-16 | 2020-10-16 | 海吉雅智慧医疗科技(广州)有限公司 | Infusion alarm system |
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