CN213285173U - Three-cavity catheter with liquid amount monitoring function - Google Patents
Three-cavity catheter with liquid amount monitoring function Download PDFInfo
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- CN213285173U CN213285173U CN202021684041.4U CN202021684041U CN213285173U CN 213285173 U CN213285173 U CN 213285173U CN 202021684041 U CN202021684041 U CN 202021684041U CN 213285173 U CN213285173 U CN 213285173U
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Abstract
The utility model provides a three chamber catheters with liquid measure monitoring function. This three chamber catheters includes: the body, in its head end was used for wearing to locate patient's bladder, its tail end formed three branch pipes, and the branch pipe includes: the bag body is provided with a filling branch pipe, a medicine injection branch pipe and a liquid discharge branch pipe; the medicine injection connecting pipe is connected with the medicine injection branch pipe and used for providing liquid medicine for the medicine injection branch pipe; the liquid discharge connecting pipe is connected with the liquid discharge branch pipe and is used for leading out liquid discharged by the liquid discharge branch pipe; liquid amount monitoring device, it includes: the first sensing part is provided with a first sensing channel for the medicine injection connecting pipe to pass through and is used for converting the liquid quantity flowing through the medicine injection connecting pipe into a corresponding first electric signal; and the second sensing part is provided with a second sensing channel for the liquid drainage connecting pipe to pass through and is used for converting the liquid amount flowing through the liquid drainage connecting pipe into a corresponding second electric signal. The utility model discloses a three chamber catheters structure is nimble, low cost, convenient to use, is convenient for accurately know the effect that the liquid medicine washed.
Description
Technical Field
The utility model relates to a medical apparatus, in particular to a three-cavity catheter with liquid quantity monitoring function.
Background
A catheter is a conduit inserted from the urethra into the bladder to drain urine, typically made of natural rubber, silicone rubber or polyvinyl chloride (PVC). The three-cavity catheter is one of the catheters which is commonly used, and comprises a capsule body injection cavity (a water injection cavity or an inflation cavity), a medicine injection cavity and a liquid discharge cavity, and is mainly used for short-term indwelling catheterization, intravesical liquid medicine instillation, flushing, drainage and the like.
When the three-cavity catheter is used for bladder irrigation, a solution (liquid medicine) is filled into the bladder through the medicine injection cavity, and then the liquid filled into the bladder is discharged from the liquid discharge cavity by means of the siphon principle. In such applications, the amount of liquid entering and exiting the device needs to be recorded to determine the effectiveness of the flushing. However, in the prior art, the amount of liquid entering and exiting is generally recorded by a caregiver by observing the amount of liquid entering and exiting the container, which increases the workload of the caregiver and is less accurate and real-time. And if a medical metering pump is used, the operation is complex, the cost is high, and the use requirement of the catheter cannot be met. In view of the above problems, no effective solution has been proposed in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can monitor three chamber catheters of liquid medicine injection volume and flowing back liquid volume.
Particularly, the utility model provides a three chamber catheters with liquid measure monitor function, this three chamber catheters include: the body, in its head end was used for wearing to locate patient's bladder, its tail end formed three branch pipes, and the branch pipe includes: the bag body is provided with a filling branch pipe, a medicine injection branch pipe and a liquid discharge branch pipe; the medicine injection connecting pipe is connected with the medicine injection branch pipe and used for providing liquid medicine for the medicine injection branch pipe; the liquid discharge connecting pipe is connected with the liquid discharge branch pipe and is used for leading out liquid discharged by the liquid discharge branch pipe; liquid amount monitoring device, it includes: the first sensing part is provided with a first sensing channel for the medicine injection connecting pipe to pass through and is used for converting the liquid quantity flowing through the medicine injection connecting pipe into a corresponding first electric signal; and the second sensing part is provided with a second sensing channel for the liquid drainage connecting pipe to pass through and is used for converting the liquid amount flowing through the liquid drainage connecting pipe into a corresponding second electric signal.
Optionally, the liquid amount monitoring device further comprises: the host computer, it has the casing, has arranged the circuit board in the casing, has arranged the response chip on the circuit board, and the response chip is used for receiving and handles first signal of telecommunication and second signal of telecommunication.
Optionally, the first sensing portion and the second sensing portion are respectively disposed on the host, and the housing is provided with a first groove forming the first sensing channel and a second groove forming the second sensing channel.
Optionally, the first sensing part is connected with the host through a cable; and the second induction part is arranged on the host, and a third groove forming a second induction channel is formed in the shell.
Optionally, the first sensing part is shaped like a splint, and the first sensing channel is formed between the splints.
Optionally, the first sensing part and the second sensing part are respectively connected with the host through cables.
Optionally, the first sensing part and the second sensing part are respectively in a shape of a splint; the first induction channel is formed between the clamping plates of the first induction part; the second sensing channel is formed between the clamping plates of the second sensing part.
Optionally, an indicator light connected to the sensing chip is further disposed on the circuit board, and the indicator light is used for emitting light corresponding to the first electrical signal and/or the second electrical signal.
Optionally, the first sensing part further includes: the first capacitance induction strips are positioned at two sides of the first induction channel, so that a first electric signal is formed by the capacitance value change of the first capacitance induction strips when the liquid flows through the medicine injection connecting pipe; the second sensing part further includes: and the second capacitance induction strips are positioned on two sides of the second induction channel, so that a second electric signal is formed by the capacitance value change of the second capacitance induction strips when the liquid flows through the liquid discharge connecting pipe.
Optionally, the first sensing part further includes: the first infrared sensing head and the first infrared emission head are positioned on two sides of the first sensing channel, and the first infrared sensing head forms a first electric signal by detecting the intensity of infrared rays emitted by the first infrared emission head after the infrared rays penetrate through the medicine injection connecting pipe; the second sensing part further includes: and the second infrared sensing head and the second infrared emission head are positioned on two sides of the second sensing channel, and the second infrared sensing head forms a second electric signal by detecting the intensity of infrared rays emitted by the second infrared emission head after the infrared rays penetrate through the liquid drainage connecting pipe of the monitoring device.
In the three-cavity catheter of the utility model, the first sensing channel of the first sensing part is used for the liquid injection connecting pipe to pass through for sensing the liquid amount flowing through the liquid injection connecting pipe; the second sensing channel of the second sensing part is used for the liquid drainage connecting pipe to pass through and sensing the liquid amount flowing through the liquid drainage connecting pipe. Utilize the signal of telecommunication of first response portion and second response portion conversion, can obtain the liquid medicine volume of annotating and going out the liquid medicine volume of three chamber catheters, the effect that the liquid medicine washed is convenient for accurately known.
Further, the utility model discloses a three chamber catheters, liquid measure monitoring devices structure is nimble, low cost, convenient to use. The problem of current liquid measure monitoring facilities structure complicacy, awkward is solved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of a tube of a three-lumen catheter according to an embodiment of the present invention;
FIG. 2 is a schematic view of a three-lumen catheter in a bladder irrigation state according to an embodiment of the present invention;
fig. 3 is a schematic view of a device for monitoring the amount of liquid in a three-lumen catheter according to an embodiment of the present invention;
fig. 4 is a schematic view of a liquid level monitoring device in a three-lumen catheter according to another embodiment of the present invention; and
fig. 5 is a schematic view of a device for monitoring the amount of liquid in a three-lumen catheter according to another embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic view of a tube 10 of a three-lumen catheter according to an embodiment of the present invention. May generally include: a pipe body 10 and a liquid amount monitoring device. The head end of the tube body 10 of the three-cavity catheter is generally a conical tip 11 and is used for being inserted into a patient. The tail end of the tube body 10, which is used for being placed outside the patient body, forms three branch tubes, namely a balloon filling branch tube 120 connected with a balloon injection cavity, a drug injection branch tube 140 connected with a drug injection cavity and a liquid discharge branch tube 130 connected with a liquid discharge cavity. The capsule filling manifold 120 has a capsule injection port at the end, the drug injection manifold 140 has a drug injection port at the end, and the fluid discharge manifold 130 has a fluid discharge port at the end. In use, the tapered tip 11 is inserted into the bladder via the urethra and the balloon injection lumen is filled with a liquid or gas through the balloon filling manifold 120 to form a balloon to fixedly retain the tapered tip 11 within the bladder.
Fig. 2 is a schematic view of a three-lumen catheter according to an embodiment of the present invention in a bladder irrigation state, the drug injection connecting tube 141 is connected to the drug injection branch tube 140 for supplying a drug solution to the drug injection branch tube 140; the liquid discharge connection pipe 131 is connected to the liquid discharge branch pipe 130 to draw out the liquid discharged from the liquid discharge branch pipe 130.
The liquid amount monitoring device includes: a first sensing part 142 and a second sensing part 132. The first sensing part 142 has a first sensing channel for the injection connecting tube 141 to pass through, and is used for converting the liquid amount flowing through the injection connecting tube 141 into a corresponding first electric signal. The second sensing part 132 has a second sensing channel for the liquid discharge connection tube 131 to pass through, and is used for converting the liquid amount flowing through the liquid discharge connection tube 131 into a corresponding second electrical signal. That is, the first sensing part 142 detects the amount of liquid injected from the chemical injection branch pipe 140, and the second sensing part 132 detects the amount of liquid discharged from the liquid discharge branch pipe 130. The three-cavity catheter of the embodiment can further realize the flushing effect on the bladder of the patient by comparing the liquid amount injected by the medicine injection branch tube 140 and the liquid amount discharged from the liquid discharge branch tube 130.
The liquid amount monitoring device may further include: a host 150. The host 150 has a housing 151, and a circuit board (not shown) is disposed in the housing 151, and a sensing chip is disposed on the circuit board and used for receiving and processing the first electrical signal and the second electrical signal. The circuit configuration and the sensing chip disposed on the circuit board may be set according to the sensing manner of the first and second sensing parts 142 and 132 and the signal characteristics of the first and second electrical signals.
The host 150 may also be provided with power button, alarm, data interface components as required, and may use rechargeable battery as the working power source.
Fig. 3 is a schematic view of a device for monitoring the amount of liquid in a three-lumen catheter according to an embodiment of the present invention. In this embodiment, the first sensing portion 142 and the second sensing portion 132 are respectively disposed on the host 150, and the housing 151 is formed with a first groove forming a first sensing channel and a second groove forming a second sensing channel. Sensing parts of the first sensing part 142 and the second sensing part 132, such as a capacitive sensing strip or an infrared sensing part, are respectively disposed at both sides of the first groove and the second groove. The host machine 150 of the three-cavity catheter of the embodiment integrates all the induction components, and the first groove and the second groove can be respectively plugged into the medicine injection connecting pipe 141 and the liquid discharge connecting pipe 131 when the three-cavity catheter is used. The first and second grooves may be arranged in parallel.
Fig. 4 is a schematic view of a device for monitoring the amount of liquid in a three-lumen catheter according to another embodiment of the present invention. In this embodiment, the second sensing portion 132 is disposed on the host 150, and the housing 151 is formed with a third groove forming a second sensing channel. The drainage connecting pipes 131 can be respectively plugged into the third grooves when in use. The first sensing part 142 is separately provided and connected to the main body 150 through a cable. The first sensing part 142 may have a clip shape, and a first sensing passage is formed between the clips. The first sensing part 142 may be interposed on the medicine injection connection tube 141. When the three-cavity catheter is used for discharging urine, the second sensing part 132 can be used only, and if the three-cavity catheter is used for flushing the bladder, the first sensing part 142 can be connected through a cable, and the first sensing part 142 is clamped on the medicine injection connecting pipe 141. This arrangement allows for a reduction in the size of the host 150 and more flexibility in use.
Fig. 5 is a schematic view of a device for monitoring the amount of liquid in a three-lumen catheter according to another embodiment of the present invention. The first sensing part 142 and the second sensing part 132 are independently disposed, and are connected to the host 150 through cables. The first sensing part 142 and the second sensing part 132 are also in the shape of splints; the first sensing passage is formed between the clamping plates of the first sensing part 142; the second sensing passage is formed between the clamping plates of the second sensing part 132. In use, the first sensing part 142 may be interposed in the chemical injection connection tube 141, and the second sensing part 132 may be interposed in the chemical injection connection tube 141.
The host 150 is further provided with an indicator light 152 (which may be disposed on the circuit board in general) connected to the sensing chip, and the indicator light 152 is used for emitting light corresponding to the first electrical signal and/or the second electrical signal. For example, the main unit 150 may be provided with a sensing lamp for each of the first sensing part 142 and the second sensing part 132, and display the first color (green) when the flow of the liquid is detected, and display the second color (red) when the flow of the liquid is not detected. The indicator light 152 can quickly reflect in time
In some embodiments, the sensing portion may be provided by the principle of capacitive sensing. The first sensing part 142 may include first capacitance sensing bars located at both sides of the first sensing channel, so that a first electrical signal is formed by a capacitance value change of the first capacitance sensing bars when the liquid flows through the injection connecting pipe 141. The second sensing part 132 further includes second capacitive sensing strips located at two sides of the second sensing channel, so that a second electrical signal is formed by a capacitance value change of the second capacitive sensing strips when the liquid is flowed through the liquid discharge connecting pipe 131. The induction principle is a relaxation oscillator which is formed by distributed capacitors of an induction channel and is continuously charged and discharged. If the pipeline liquid is constant, the relaxation oscillator is a fixed charge-discharge cycle. If the liquid in the pipeline changes, the dielectric constant of the capacitor is reduced or increased, the charging and discharging period is prolonged or shortened, and the frequency is correspondingly reduced or increased. Therefore, the change of the liquid flow in the pipeline can be detected by sensing the change of the measurement period.
In other embodiments, the sensing portion may be provided by the principle of infrared sensing. The first sensing part 142 further includes: the first infrared sensing head and the first infrared emission head are positioned on two sides of the first sensing channel, and the first infrared sensing head forms a first electric signal by detecting the intensity of infrared rays emitted by the first infrared emission head after the infrared rays penetrate through the medicine injection connecting pipe 141. The second sensing part 132 further includes: and the second infrared sensing head and the second infrared emission head are positioned at two sides of the second sensing channel, and the second infrared sensing head forms a second electric signal by detecting the intensity of infrared rays emitted by the second infrared emission head after the infrared rays pass through the liquid drainage connecting pipe 131 of the monitoring device. The sensing principle is that according to different transmission characteristics of infrared rays to water and air density, infrared intensities received by the infrared sensing head are different when liquid exists in the pipeline or not.
In the three-cavity catheter of the utility model, the first sensing channel of the first sensing part 142 is used for the drug injection connecting pipe 141 to pass through for sensing the liquid amount flowing through the drug injection connecting pipe 141; the second sensing channel of the second sensing part 132 is for the liquid discharge connecting pipe 131 to pass through for sensing the liquid amount flowing through the liquid discharge connecting pipe 131. The electric signals converted by the first induction part 142 and the second induction part 132 can be used for obtaining the liquid medicine injection amount and the liquid medicine discharge amount of the three-cavity catheter, so that the state of a patient can be accurately known.
Further, the utility model discloses a three chamber catheters, liquid measure monitoring devices structure is nimble, low cost, convenient to use. The problem of current liquid measure monitoring facilities structure complicacy, awkward is solved.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides a three chamber catheters with liquid measure monitor function which characterized in that includes:
the head end of the pipe body is used for penetrating through the bladder of a patient, and the tail end of the pipe body forms three branch pipes, wherein each branch pipe comprises: the bag body is provided with a filling branch pipe, a medicine injection branch pipe and a liquid discharge branch pipe;
the medicine injection connecting pipe is connected with the medicine injection branch pipe and used for providing liquid medicine for the medicine injection branch pipe;
the liquid drainage connecting pipe is connected with the liquid drainage branch pipe and is used for leading out liquid drained by the liquid drainage branch pipe;
liquid amount monitoring device, it includes:
the first sensing part is provided with a first sensing channel for the medicine injection connecting pipe to pass through and is used for converting the liquid quantity flowing through the medicine injection connecting pipe into a corresponding first electric signal;
and the second sensing part is provided with a second sensing channel for the liquid drainage connecting pipe to pass through and is used for converting the liquid amount flowing through the liquid drainage connecting pipe into a corresponding second electric signal.
2. The three-lumen catheter according to claim 1, wherein the liquid amount monitoring device further comprises:
the host computer, it has the casing, arrange the circuit board in the casing, arrange the response chip on the circuit board, the response chip is used for receiving and handling the first signal of telecommunication with the second signal of telecommunication.
3. The three-lumen catheter of claim 2, wherein the catheter is a catheter tube
The first induction part and the second induction part are respectively arranged on the host, and a first groove for forming the first induction channel and a second groove for forming the second induction channel are formed on the shell.
4. The three-lumen catheter of claim 2, wherein the catheter is a catheter tube
The first induction part is connected with the host through a cable; and is
The second induction part is arranged on the host, and a third groove forming the second induction channel is formed in the shell.
5. The three-lumen catheter of claim 4, wherein the catheter is a catheter tube
The first sensing part is in a clamping plate shape, and the first sensing channel is formed between the clamping plates.
6. The three-lumen catheter of claim 2, wherein the catheter is a catheter tube
The first induction part and the second induction part are respectively connected with the host through cables.
7. The three-lumen catheter of claim 5, wherein the catheter is a catheter tube
The first sensing part and the second sensing part are respectively in a shape of a splint;
the first sensing channel is formed between the clamping plates of the first sensing part;
the second sensing channel is formed between the clamping plates of the second sensing part.
8. The three-lumen catheter of claim 5, wherein the catheter is a catheter tube
The circuit board is further provided with an indicator light connected with the induction chip, and the indicator light is used for emitting light corresponding to the first electric signal and/or the second electric signal.
9. The three-lumen catheter of claim 1, wherein the catheter is a catheter tube
The first sensing part further includes: the first capacitance induction strips are positioned on two sides of the first induction channel, so that the capacitance value of the first capacitance induction strips changes to form the first electric signal when the medicine injection connecting pipe flows through liquid;
the second sensing part further includes: and the second capacitance induction strips are positioned at two sides of the second induction channel, so that the second electric signal is formed by the capacitance value change of the second capacitance induction strips when the liquid drainage connecting pipe flows through liquid.
10. The three-lumen catheter of claim 1, wherein the catheter is a catheter tube
The first sensing part further includes: the first infrared sensing head and the first infrared emission head are positioned on two sides of the first sensing channel, and the first infrared sensing head forms the first electric signal by detecting the intensity of infrared rays emitted by the first infrared emission head after the infrared rays pass through the medicine injection connecting pipe;
the second sensing part further includes: and the second infrared sensing head and the second infrared emission head are positioned at two sides of the second sensing channel, and the second infrared sensing head forms the second electric signal by detecting the intensity of infrared rays emitted by the second infrared emission head after the infrared rays pass through the liquid discharge connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021684041.4U CN213285173U (en) | 2020-08-13 | 2020-08-13 | Three-cavity catheter with liquid amount monitoring function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021684041.4U CN213285173U (en) | 2020-08-13 | 2020-08-13 | Three-cavity catheter with liquid amount monitoring function |
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| Publication Number | Publication Date |
|---|---|
| CN213285173U true CN213285173U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021684041.4U Active CN213285173U (en) | 2020-08-13 | 2020-08-13 | Three-cavity catheter with liquid amount monitoring function |
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| CN (1) | CN213285173U (en) |
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- 2020-08-13 CN CN202021684041.4U patent/CN213285173U/en active Active
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