CN213406029U - Puncture catheter with multiple physical sign parameter monitoring functions - Google Patents
Puncture catheter with multiple physical sign parameter monitoring functions Download PDFInfo
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- CN213406029U CN213406029U CN202021372478.4U CN202021372478U CN213406029U CN 213406029 U CN213406029 U CN 213406029U CN 202021372478 U CN202021372478 U CN 202021372478U CN 213406029 U CN213406029 U CN 213406029U
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Abstract
The utility model provides a have puncture catheter of multiple sign parameter monitoring concurrently, front end through at puncture catheter body is provided with at least one probe, thereby make when the front end of puncture catheter body is put into artery or central vein, each probe can be put into artery or central vein with a sign parameter of monitoring artery or central venous blood and convert into corresponding detection signal of telecommunication, each detection signal of telecommunication passes through each wire and transmits to the host computer, thereby realize the real-time and continuous monitoring to artery or central venous sign parameter, and need not extract blood and put into the blood gas analysis machine and acquire the sign parameter, the problem that can not real-time and continuous monitoring sign parameter and sign parameter detection step are loaded down with trivial details and detection cost height that exists among the traditional technical scheme has been solved.
Description
Technical Field
The application belongs to the technical field of medical monitoring, and particularly relates to a puncture catheter with multiple physical sign parameter monitoring functions.
Background
At present, detection of human body physical sign parameters, such as blood glucose level detection and central temperature detection of an artery or a central vein, is instantaneous and disjointed single detection, for example, blood glucose level detection of the central vein generally includes firstly extracting a blood sample from the vein, and then injecting the blood sample into a blood gas machine for blood gas analysis to obtain the blood glucose level, and the detection of the blood glucose level of the vein in this way is based on the instantaneous detection of the blood sample extraction and needs to be performed by medical personnel to inject the blood sample into the blood gas analyzer to obtain a result, so that the detection mode is instantaneous and disjointed, real-time and continuous monitoring cannot be performed, and detection steps are complicated; moreover, the blood gas analysis mechanism is complex in structure, besides the blood sugar level, other more than ten indexes can be analyzed conventionally during each blood sample detection, the detection cost is high, if the blood gas analysis is carried out specially for the venous blood sugar level, repeated detection is caused, the medical cost of a patient can be increased, the optimization and the configuration of medical resources are not facilitated, and meanwhile, the operation amount and the occupational exposure risk of medical staff are also increased.
Therefore, the traditional technical scheme has the problems that the physical sign parameters cannot be monitored continuously in real time, the physical sign parameter detection steps are complicated, and the detection cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a have puncture catheter of multiple sign parameter monitoring concurrently, aim at solving the problem that can not real-time and continuous monitoring sign parameter and sign parameter detection step are loaded down with trivial details and detect with high costs that exist among the traditional technical scheme.
A first aspect of an embodiment of the present application provides a puncture catheter with multiple sign parameter monitoring functions, including:
the puncture catheter comprises a puncture catheter body, wherein the front end of the puncture catheter body is used for being placed into an artery or a central vein;
the probes are respectively arranged on the peripheral wall of the front end of the puncture catheter body and are respectively used for monitoring a characteristic parameter of the blood of the artery or the central vein and converting the characteristic parameter into a corresponding detection electric signal; and
the first ends of the leads are respectively connected with the probes in a one-to-one correspondence mode, the second ends of the leads are respectively used for outputting the detection electric signals, and the leads respectively extend to the tail end of the puncture catheter body along the peripheral wall of the puncture catheter body.
In one embodiment, the at least one lead comprises a first lead, and the at least one probe comprises a blood glucose monitoring probe for collecting blood glucose in the blood, converting the blood glucose into a first detection electrical signal, and outputting the first detection electrical signal through the first lead.
In one embodiment, the blood glucose monitoring probe is attached to the peripheral wall of the front end of the puncture catheter body.
In one embodiment, the blood glucose monitoring probe comprises a semi-permeable membrane layer, a glucose oxidase layer and a platinum electrode layer which are sequentially stacked, wherein the semi-permeable membrane layer is used for being in contact with blood, and the platinum electrode layer is attached to the peripheral wall and connected with the lead.
In one embodiment, the at least one wire further includes a second wire and a third wire, the at least one probe further includes a thermistor, the thermistor is attached to the outer peripheral wall of the front end of the puncture catheter body, a first end of the thermistor is connected with the second wire, a second end of the thermistor is connected with the third wire, and the thermistor is used for converting the temperature of the blood into a second detection electric signal and outputting the second detection electric signal through the second wire and the third wire.
In one embodiment, the blood glucose monitoring probe and the thermistor are attached to the outer peripheral wall of the front end of the puncture catheter body and are arranged at intervals along the axial direction of the puncture catheter body or at intervals along the circumferential direction of the puncture catheter body.
In one embodiment, the second wire and the third wire are NTC wires.
In one embodiment, the probe further comprises a protective layer for covering each probe and each lead.
In one embodiment, the USB interface further comprises a connector, and each wire is connected with the upper computer in a pluggable mode through the connector.
In one embodiment, the puncture catheter is an arterial puncture catheter or a central venous catheter.
Foretell have concurrently puncture catheter of multiple sign parameter monitoring, front end through at puncture catheter body is provided with at least one probe, thereby make when puncture catheter body's front end is put into artery or central vein, each probe can be put into artery or central vein in order to monitor a sign parameter of artery or central vein's blood and convert into corresponding detection signal of telecommunication, each detection signal of telecommunication passes through each wire and transmits to the host computer, thereby realize the real-time and continuous monitoring to artery or central vein's sign parameter, and need not extract artery or central vein's blood and put into the blood gas analysis machine and obtain the sign parameter, the problem that the monitoring sign parameter that can not be real-time and continuous and sign parameter detection step are loaded down with trivial details and detection cost are high among the traditional technical scheme has been solved.
Drawings
FIG. 1 is a schematic structural view of a catheter with monitoring of multiple physical parameters according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of a blood glucose monitoring probe and a first lead of the piercing catheter shown in FIG. 1;
FIG. 3 is a schematic illustration of the positioning of the blood glucose monitoring probe and the first lead of the piercing catheter shown in FIG. 2;
FIG. 4 is a schematic illustration of the position of the blood glucose monitoring probe and the first lead of the piercing catheter shown in FIG. 2;
FIG. 5 is a schematic view of the blood glucose monitoring probe of the piercing catheter of FIG. 2;
FIG. 6 is a schematic view of the thermistor, second lead and third lead of the puncture catheter shown in FIG. 1;
FIG. 7 is another exemplary electrical schematic diagram of a probe of the piercing catheter shown in FIG. 6;
FIG. 8 is another schematic view of the puncture catheter shown in FIG. 1.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Fig. 1 shows a schematic structural diagram of a puncture catheter 01 with multiple vital sign parameter monitoring provided in a first aspect of an embodiment of the present application, and for convenience of description, only the parts related to the embodiment are shown, which are detailed as follows:
Optionally, the puncture catheter 01 may be an arterial puncture catheter or a central venous catheter, that is, when the puncture catheter 01 may be an arterial puncture catheter, the puncture catheter body 10 is an arterial puncture catheter body, the front end of the puncture catheter body 10 is used for being placed into an artery, and each probe 20 is used for monitoring an intrinsic parameter of blood of the artery and converting the intrinsic parameter into a corresponding detection electrical signal; when the puncture catheter 01 can be a central venous catheter, the puncture catheter body 10 is a central venous catheter body, the front end of the puncture catheter body 10 is used for being placed in an artery, and each probe 20 is used for monitoring a characteristic parameter of blood of a central vein and converting the characteristic parameter into a corresponding detection electric signal.
Optionally, the second end of each wire 30 is used for connecting with the upper computer 02, that is, each wire 30 is used for transmitting the detection electrical signal of each probe 20 to the upper computer 02, and the upper computer 02 converts the detection electrical signal into corresponding physical sign parameter data.
It should be understood that the puncture catheter body 10 in this embodiment includes a leading end 11 and a tube 12, the leading end 11 being for placement into an artery or central vein, and alternatively, the leading end 11 of the puncture catheter body 10 may be placed into an artery or central vein by puncture; the vital parameters may be, but are not limited to, blood glucose level, blood oxygen saturation, core temperature, etc., and the probe 20 may be a device that specifically converts an external signal into an electrical signal, such as a sensor, a receiver, an electrode, etc.; the lead 30 is used for outputting the detection electrical signal converted by the probe 20 to the upper computer 02, the lead 30 is an insulating lead 30, and optionally, the lead 30 is a lead 30 with a shielding interference signal; the detection electric signal can be an analog signal of a voltage type or a current type; the upper computer 02 can be a computer, a microprocessor, a monitor and other devices.
Alternatively, each of the wires 30 may be attached to the outer peripheral wall of the puncture catheter body 10, or may be embedded in the outer peripheral wall of the puncture catheter body 10.
The puncture catheter 01 with multiple physical sign parameter monitoring functions in the embodiment is characterized in that at least one probe 20 is arranged at the front end 11 of the puncture catheter body 10, such that when the front end 11 of the catheter body 10 is placed in an artery or central vein, each probe 20 can be placed in the artery or central vein to monitor one of the vital parameters of the blood in the artery or central vein and convert it into a corresponding electrical detection signal, each electrical detection signal is transmitted to the upper computer 02 via each lead 30, therefore, real-time and continuous monitoring of the physical sign parameters of the artery or the central vein is realized, blood of the artery or the central vein does not need to be extracted and put into a blood gas analyzer to obtain the physical sign parameters, and the problems that the physical sign parameters cannot be monitored in real time and continuously, the physical sign parameter detection steps are complicated and the detection cost is high in the traditional technical scheme are solved.
Referring to fig. 2, in one embodiment, the lead 30 includes a first lead 310, the probe 20 includes a blood glucose monitoring probe 210, and the blood glucose monitoring probe 210 is used for collecting blood glucose in blood, converting the blood glucose into a first detection electrical signal, and outputting the first detection electrical signal through the first lead 310.
It is understood that blood glucose is generally measured by measuring glucose in blood, and most of the energy required for the cellular activities of tissues in the human body comes from glucose, so that a certain blood glucose level must be maintained to maintain the needs of organs and tissues in the body. For example, during surgery, too low a blood sugar level tends to reduce the patient's ability to respond to stress; too high blood glucose is prone to post-operative cognitive dysfunction and complications of cerebral insufficiency, and increases the risk of post-operative wound infection, thus requiring strict control of blood glucose levels. In this embodiment, through adopting blood sugar monitoring probe, realize the collection of the blood sugar in the blood and convert into first detection signal of telecommunication to realized putting into artery or central vein, accomplished the detection to blood sugar level.
Referring to fig. 3, in one embodiment, the blood glucose monitoring probe 210 is attached to the outer peripheral wall of the front end 11 of the puncture catheter body 10. Optionally, referring to fig. 4, the blood glucose monitoring probe 210 may also be half-nested in the peripheral wall of the front end 11 of the puncture catheter body 10.
Referring to fig. 5, in one embodiment, the blood glucose monitoring probe 210 includes a semipermeable membrane layer 211, a glucose oxidase layer 212, and a platinum electrode layer 213 sequentially stacked, the semipermeable membrane layer 211 is for contacting blood, the platinum electrode layer 213 is attached to the outer peripheral wall and connected to the first wire 310, and the glucose oxidase layer 212 is disposed between the semipermeable membrane layer 211 and the platinum electrode layer 213.
1. Glucose in blood and oxygen in blood penetrate through the semipermeable membrane layer 211 and enter the glucose oxidase layer 212;
2. the glucose in the blood and the oxygen in the blood generate H2O2 and gluconic acid under the action of the glucose oxidase, wherein the H2O2 generates 2H + + O2+2e-,2 e-under the action of 0.6V voltage, so that an input current on the platinum electrode layer 213 is formed, and the input current is a first detection electric signal;
3. the platinum electrode layer 213 outputs the first detection electric signal to the upper computer 02 through the first wire 310, and the upper computer 02 obtains a corresponding blood glucose value according to the first detection electric signal.
Referring to fig. 6, in an embodiment, the lead 30 further includes a second lead 320 and a third lead 330, the probe 20 further includes a thermistor 220, the thermistor 220 is attached to the outer peripheral wall of the front end 11 of the puncture catheter body 10, a first end of the thermistor 220 is connected to the upper computer 02 through the second lead 320, a second end of the thermistor 220 is connected to the upper computer 02 through the third lead 330, the thermistor 220 is configured to output a third detection electric signal to the upper computer 02 according to the temperature of blood, and the upper computer 02 obtains the temperature of blood according to the third detection electric signal. Alternatively, the thermistor 220 may be embedded in the side wall of the front end 11 of the puncture catheter body 10. It is to be understood that the second and third conductive lines 320 and 330 are the same conductive lines as the conductive lines 30 in fig. 1.
It is understood that severe hypothermia and hypoxia can cause intractable arrhythmias and irreversible damage to tissue cells. For cardiac surgery requiring extracorporeal circulation support, the visceral organs need to be protected by artificial hypothermia, and the other extreme, namely the central temperature is too low, needs to be avoided. This requires real-time monitoring of the patient's core temperature and timely feedback to the anesthesiologist and extracorporeal circulation physicians to ensure that the temperature is controlled at the proper value. Even other surgical procedures that do not require cryogenic support would be of great benefit to perioperative management and rehabilitation if the patient's central temperature could be monitored in real time. The current method for monitoring the central temperature comprises the following steps: implanting the temperature-measuring soft electrodes into a nasal cavity and a rectum, and monitoring the nasal temperature to evaluate the brain temperature so as to provide data for low-temperature brain protection; the anal temperature is monitored to evaluate the central temperature, thereby providing a basis for the low-temperature protection of the visceral organs in the body cavity. However, the body temperature detection in the mode is an independent operation, after tracheal intubation, radial artery puncture manometry and central vein puncture, the implantation of nasal cavity and rectum soft electrodes is carried out, the workload of a prosthetist is increased, the front end of a nose temperature probe needs to be implanted in the deep part of the nasal cavity in a retrograde manner through the nasal vestibule, and the temperature close to the brain can be detected at the position of a sinus sieving opening or the position of a nasal posterior hole; the anal temperature probe needs to be placed into the rectum through the anus in a retrograde manner so as to obtain the temperature reflecting the body cavity. The patient is difficult to tolerate the implantation process and must perform the implantation after anesthesia. And the patient is difficult to tolerate after the postoperative awakening, so that the time period of central temperature detection is greatly restricted, and the body position of the patient may need to be changed or the position of the tracheal cannula is adjusted according to different operation requirements in the operation, and even other operations are required to be performed at the mouth and the nose. The electrode is easy to slip off, which results in distortion of the monitoring result. Therefore, the traditional core body temperature detection has the problems of complicated steps, poor experience feeling and easy slipping of the electrodes.
Therefore, in the present embodiment, the thermistor 220 is attached to the outer peripheral wall of the distal end 11 of the puncture catheter body 10, and after the catheterization is performed in the arterial or central venipuncture, the upper computer 02 collects the electrical signal of the thermistor 220, thereby collecting the central body temperature data, and thus, the troublesome operation is omitted. Meanwhile, along with the fixation of the puncture catheter body 10, the probe 22 (the probe 22 for measuring the body temperature) comprising the thermistor 220 cannot slip, in addition, the puncture catheter can be kept in place for a long time, and the daily activities of the patient after waking up are not influenced, the probe 20 comprising the thermistor 220 in the embodiment can also work for a long time, the tolerance of the patient is good, namely, the puncture catheter 01 in the embodiment solves the problems that the traditional central body temperature detection has complicated steps, poor experience feeling and easy electrode slipping.
In addition, in cardiac surgery, especially in the non-pulsatile perfusion process of extracorporeal circulation, in the protection measures of cerebral blood flow, besides the need of low-temperature protection according to the surgical needs, the blood sugar level also needs to be strictly controlled so as to reduce the occurrence of postoperative cognitive dysfunction. In the embodiment, the puncture catheter not only provides the basic functions of the catheter, but also simultaneously completes the detection of the temperature and the blood sugar level of arterial or venous blood, so that the timely adjustment is made for the low-temperature protection and the blood sugar fluctuation in the operation, the steps are simple, and the efficiency is improved.
Optionally, the blood glucose monitoring probe 210 and the thermistor 220 are attached to the outer peripheral wall of the front end 11 of the puncture catheter body 10, and are axially spaced along the puncture catheter body 10, or circumferentially spaced along the puncture catheter body 10.
Optionally, referring to fig. 7, the probe 20 further includes a seventh resistor R7, an eighth resistor R8 and a power source V1, wherein the first end of the eighth resistor R8 and the first end of the thermistor 220 are commonly connected to the power source V1, the first end of the eighth resistor R8 and the first end of the thermistor 220 are commonly connected to the first end of the seventh resistor R7, and the second end of the seventh resistor R7 is grounded, wherein the seventh resistor R7, the eighth resistor R8 and the power source V1 may be disposed in the upper computer 02 or connected to the thermistor 220 and the upper computer 02 as an external circuit, that is, the thermistor 220 is connected to the seventh resistor R7, the eighth resistor R8 and the power source V1 through a wire 30 attached to the puncture catheter.
In one embodiment, the second and third wires 320 and 330 are Negative Temperature Coefficient (NTC) wires.
In one embodiment, a protective covering is included to cover each probe 20 and each lead 30. It is to be understood that the protective layer may be a protective layer having the characteristics of being non-toxic, having good thermal conductivity, being stable in shape and not easily melted, being flexible and easily bent with the catheter, for example, a protective layer made of polyethylene material.
In this embodiment, the protective layer is added to prevent the probe 20 and each lead 30 from falling off and becoming foreign objects in the body, thereby providing the safety of the puncture catheter 01 with multiple physical sign parameter monitoring functions.
Referring to fig. 8, in one embodiment, the connector 50 is further included, and each wire 30 is connected to the upper computer 02 in a pluggable manner through the connector 50.
It should be understood that a connector 50 is connected to the end (the other end opposite to the end to which the probe 20 is connected) of each wire 30 to enable a pluggable connection with the upper computer 02, and the connector 50 may be a transducer, a USB interface, or the like.
In one embodiment, the upper computer 02 is a monitor. Optionally, the upper computer 02 may be a multi-sign parameter monitor.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A catheter with multiple vital sign parameter monitoring, comprising:
the puncture catheter comprises a puncture catheter body, wherein the front end of the puncture catheter body is used for being placed into an artery or a central vein;
the probes are respectively arranged on the peripheral wall of the front end of the puncture catheter body and are respectively used for monitoring a characteristic parameter of the blood of the artery or the central vein and converting the characteristic parameter into a corresponding detection electric signal; and
the first ends of the leads are respectively connected with the probes in a one-to-one correspondence mode, the second ends of the leads are respectively used for outputting the detection electric signals, and the leads respectively extend to the tail end of the puncture catheter body along the peripheral wall of the puncture catheter body.
2. The puncture catheter of claim 1, wherein said at least one lead comprises a first lead, and said at least one probe comprises a blood glucose monitoring probe for collecting blood glucose in said blood and converting said blood glucose to a first test electrical signal for output via said first lead.
3. The puncture catheter of claim 2, wherein the blood glucose monitoring probe is attached to an outer peripheral wall of the front end of the puncture catheter body.
4. The puncture catheter according to claim 3, wherein the blood glucose monitoring probe comprises a semipermeable membrane layer, a glucose oxidase layer and a platinum electrode layer which are sequentially laminated, the semipermeable membrane layer is used for contacting with the blood, and the platinum electrode layer is attached to the peripheral wall and connected with the lead.
5. The puncture catheter of claim 2, wherein the at least one wire further comprises a second wire and a third wire, and the at least one probe further comprises a thermistor attached to an outer peripheral wall of the front end of the puncture catheter body, a first end of the thermistor is connected to the second wire, and a second end of the thermistor is connected to the third wire, and the thermistor is configured to convert the temperature of the blood into a second detection electric signal and output the second detection electric signal through the second wire and the third wire.
6. The puncture catheter of claim 5, wherein the blood glucose monitoring probe and the thermistor are attached to an outer peripheral wall of the front end of the puncture catheter body and are spaced axially along the puncture catheter body or circumferentially along the puncture catheter body.
7. The lancing catheter of claim 5, wherein the second wire and the third wire are NTC wires.
8. The puncture catheter of any one of claims 1-7, further comprising a protective covering for covering each of the probes and each of the leads.
9. The puncture catheter of any one of claims 1-7, further comprising a connector through which each of the wires is pluggable to an upper computer.
10. The puncture catheter of any one of claims 1 to 7, wherein the puncture catheter is an arterial puncture catheter or a central venous catheter.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023060669A1 (en) * | 2021-10-12 | 2023-04-20 | 中山大学 | Marker detection device based on carbon tube/mxenes and preparation method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023060669A1 (en) * | 2021-10-12 | 2023-04-20 | 中山大学 | Marker detection device based on carbon tube/mxenes and preparation method therefor |
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