CN114795156A

CN114795156A - Measuring device used in organism

Info

Publication number: CN114795156A
Application number: CN202210732437.9A
Authority: CN
Inventors: 陆海同
Original assignee: Hangzhou Sikang New Medical Technology Co ltd
Current assignee: Hangzhou Sikang New Medical Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-07-29

Abstract

The embodiment of the specification provides a measuring device used in a living body, which comprises a measuring tube capable of being inserted into the living body; the measuring tube comprises a plurality of pressure measuring points, the distance between at least two of the pressure measuring points is larger than a first distance, and the pressure measuring points are in communication connection with the pressure processing terminal through communication guide wires arranged in the measuring tube.

Description

Measuring device used in organism

Technical Field

The present description relates to the technical field of medical equipment, and in particular, to a measurement device for use in a living body.

Background

For the blockage or focus existing in the blood vessel and causing the blood flow of the vessel to be reduced, the medical staff can judge the position of the lesion by measuring the pressure at the two ends of the blockage or focus in the blood vessel and accurately treat the blockage or focus. Usually, the pressure measurement is performed before the operation, the measurement procedure of the related device (e.g., pressure measurement device) is cumbersome, the movement back and forth increases the operation time and risk, and also results in unreliable measurement values (e.g., drift, poor comparability of measurement data at different time points, etc.), and in addition, the probability of the patient receiving the injection of vasodilatation drugs again increases, and the operation time is prolonged.

Therefore, it is desirable to provide a measuring device that can improve the accuracy of the positioning of the surgical site.

Disclosure of Invention

One of the embodiments of the present specification provides a measuring apparatus for use in a living body, including a measuring tube insertable into the living body; the measuring tube comprises a plurality of pressure measuring points, the distance between at least two of the pressure measuring points is larger than a first distance, and the pressure measuring points are in communication connection with the pressure processing terminal through communication guide wires arranged in the measuring tube.

In some embodiments, the outer wall of the measurement tube comprises air holes for connection with an air bag.

In some embodiments, the plurality of pressure points comprises a first set of pressure points and a second set of pressure points; the inter-group distance between the first group of pressure measuring points and the second group of pressure measuring points is greater than a second distance; the air hole is located at a spacing section, and the spacing section is the part of the measuring pipe between the first group of pressure measuring points and the second group of pressure measuring points.

In some embodiments, the measurement device further comprises the balloon.

In some embodiments, the balloon is removably sleeved with the measurement tube.

In some embodiments, a measurement section is variably connected to other portions of the measurement tube, the measurement section including at least one of the pressure measurement points.

In some embodiments, the measurement device comprises a plurality of measurement segments of different sizes.

In some embodiments, the metering tube bore includes a control valve for liquid extraction or injection.

In some embodiments, the communication connection comprises: the pressure measuring point is connected with a communication terminal in a wired mode through the communication guide wire, and the communication terminal is connected with the pressure processing terminal in a wireless mode; the pressure processing terminal is used for displaying a plurality of pressure values.

In some embodiments, at least two of the plurality of pressure measurement points are at an angle to a perpendicular to the axis of the measurement tube greater than a distribution threshold.

Drawings

The present description will be further explained by way of exemplary embodiments, which will be described in detail by way of the accompanying drawings. These embodiments are not intended to be limiting, and in these embodiments like numerals are used to indicate like structures, wherein:

FIG. 1 is a schematic view of a measurement device according to some embodiments herein;

FIG. 2 is a block diagram of a measurement tube according to some embodiments of the present description;

FIG. 3 is a schematic view of a connection of a measurement tube according to some embodiments of the present disclosure;

FIG. 4 is a block diagram of a control valve according to some embodiments herein;

FIG. 5 is a schematic diagram of a distribution of pressure taps according to some embodiments of the present description.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the present description, and that for a person skilled in the art, the present description can also be applied to other similar scenarios on the basis of these drawings without inventive effort. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.

It should be understood that "system", "apparatus", "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used in this specification and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.

Flow charts are used in this description to illustrate operations performed by a system according to embodiments of the present description. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the various steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

Stenosis of a blood vessel affects the blood flow through the vessel and, if further blockage occurs, may cause damage to the tissue supplied by the vessel. In order to more accurately determine whether a patient actually needs to undergo an interventional procedure during examination and treatment, Fractional Flow Reserve (FFR) may be used to assess the extent to which stenotic lesions block blood flow through a vessel. To calculate the FFR for a given stenosis, two separate measurements of blood pressure may be taken, one pressure reading taken on the distal side of the stenosis (e.g., downstream of the stenosis) and the other pressure reading taken on the proximal side of the stenosis (e.g., upstream of the stenosis and closer to the aorta). In some embodiments, a higher pressure value can be measured at the proximal side of the blockage or lesion in the blood vessel, and during the diagnosis and treatment, the medical staff can judge the position of the lesion through the pressure at the two ends of the blockage or lesion in the blood vessel, for example, through the pressure ratio and/or the pressure difference at the two ends of the blockage or lesion. Some embodiments of this description provide a measuring device, and medical personnel can judge the position of pathological change department through the pressure measurement more accurately. In some embodiments, the measurement device can also be used to measure intracranial pressure.

FIG. 1 is a schematic view of a measurement device 100 shown in accordance with some embodiments herein.

As shown in fig. 1, in some embodiments, a measurement device 100 for use in a living organism may include a measurement tube 110 insertable into the living organism; the measurement tube 110 may include a plurality of pressure measurement points 111, a distance between at least two of the plurality of pressure measurement points 111 may be greater than a first pitch, and the pressure measurement points 111 may be communicatively coupled to the pressure processing terminal 130 via a communication wire 120 disposed within the measurement tube 110.

In some embodiments, the measurement tube 110 is placed in a living body (for example, in a blood vessel), a plurality of pressure measurement points of the measurement tube 110 can measure a plurality of pressure values corresponding to a plurality of position areas at the same time, so that the influence of the measurement tube 110 moving back and forth on measurement environments such as a blood vessel wall is avoided, and the numerical value is unreliable, therefore, the obtained pressure values have high comparability and good reliability, and the position of a pathological change part can be accurately judged. In addition, the measuring tube 110 is used to efficiently complete the measurement within the effective time of injecting the vasodilatation drug, and the measurement does not need to be moved and withdrawn, so that the probability that the patient receives the injection of the vasodilatation drug again is avoided, and the comfort level of the patient is improved.

Measurement tube 110 may refer to a device that has the capability of measuring physiological parameters of an organism, which may include blood pressure within a blood vessel, intracranial pressure (e.g., placed in a hydrocephalus) and the like. In some embodiments, the measurement tube 110 may be tubular and made of a material with some flexibility that is well biocompatible. In some embodiments, the measurement tube 110 may be hollow and tubular, and the hollow interior chamber may be provided with various devices, such as a communication wire 120, a gas conduit, etc., as desired. In some embodiments, the measurement tube 110 may be moved relative to the device (e.g., guide wire) through which it is inserted, e.g., the guide wire may be moved in a direction of elongation of the guide wire within the hollow chamber, and the measurement tube 110 may be moved in a direction of elongation (i.e., axially) of the guide wire.

In some embodiments, the measurement tube 110 may include a plurality of pressure measurement points 111. In a specific embodiment, the pressure measuring point 111 may be located on the outer surface of the measuring tube 110, and the pressure measuring point 111 is used for measuring the pressure of the contact area, for example, the pressure measuring point 111 may measure the pressure of the fluid in the direct contact area, etc. In some embodiments, pressure measurement point 111 may be used to measure blood pressure directly when placed within a blood vessel. In other embodiments, pressure measurement point 111 may be used to measure intracranial pressure in a hydrocephalus of the brain. In some embodiments, pressure measurement point 111 may be located inside measurement tube 110, with pressure measurement point 111 being used to measure the pressure outside measurement tube 110 in the region where it is located. In other embodiments, the pressure measurement point 111 may be disposed on the measurement pipe 110 in other manners, for example, embedded on the pipe wall of the measurement pipe 110, as long as measurement of the external pressure contacting the measurement pipe 110 can be achieved. In some embodiments, pressure sensing point 111 may comprise a pressure sensor.

In some embodiments, the distance between at least two of the plurality of pressure measurement points 111 may be greater than the first spacing, i.e., there is a spacing of at least two pressure measurement points 111 in the axial direction of the measurement pipe 110. In a specific embodiment, the distance between every two adjacent pressure measuring points 111 of the plurality of pressure measuring points 111 may be the same, and the distance may be 0.6-10 mm.

In some embodiments, the spacing between the at least two pressure measurement points 111 may enable the measurement tube 110 to acquire blood pressure on the distal side of the stenosis and blood pressure on the proximal side of the stenosis, so that the specific location of the lesion may be determined by the obtained pressure ratio and/or pressure difference between the two locations, and further accurately treated. By way of example only, when measuring tube 110 is placed in a blood vessel to measure blood pressure, the distance between pressure measurement point 111-a and pressure measurement point 111-b in FIG. 1 may be greater than a first separation distance, which may correspond to the length of the vascular stenosis, and pressure measurement point 111-a and pressure measurement point 111-b may collect blood pressure on a distal side of the vascular stenosis and blood pressure on a proximal side of the vascular stenosis, respectively.

The measurement tube 110 in some embodiments can obtain the ratio and/or difference of the blood pressure at two ends of the stenosis of the blood vessel, and the pressure values corresponding to a plurality of position areas can be obtained without moving the blood pressure measurement device 100 for a plurality of times, thereby improving the accuracy of obtaining the lesion position.

The pressure processing terminal 130 is used to process and display pressure readings taken by the measurement tube 110. In some embodiments, the pressure processing terminal 130 may be one or more screen-enabled devices. In some embodiments, the pressure processing terminal 130 includes at least a screen, a data acquisition unit, a communication unit, and the like. Wherein the screen may be used to display the pressure values and their associated processing results to the operator, the data acquisition unit may be used to acquire pressure readings, and the communication unit may be used to communicate with the measurement tube 110.

In some embodiments, pressure measurement point 111 may be communicatively coupled to pressure processing terminal 130 via communication guidewire 120 to enable pressure processing terminal 130 to obtain pressure readings measured by pressure measurement point 111. In some embodiments, the communication connection may comprise a wired connection, a wireless connection, or a combination of both. The wired connection may include a cable, optical cable, etc., or any combination thereof. The wireless connection may include one or any combination of bluetooth, Wi-Fi, WiMax, WLAN, ZigBee, mobile networks (e.g., 3G, 4G, or 5G, etc.), and the like.

In some embodiments, the communication connection may include: the pressure measurement point 111 is connected in a wired manner to a communication terminal via a communication wire 120, and the communication terminal is connected in a wireless manner to a pressure processing terminal 130 (for example, connected via a network 140 shown in fig. 1). A communication terminal may refer to a device for signal reception and transmission, among others. The pressure value data measured by the pressure measuring point 111 is transmitted to the communication terminal by the communication guide wire 120, and the communication terminal performs signal conversion on the received pressure value data and transmits the converted pressure value data to the pressure processing terminal 130 in a wireless manner.

In some embodiments, the pressure processing terminal 130 may display a plurality of pressure values. For example only, the pressure processing terminal 130 may display different pressure readings obtained by each of the pressure measurement points 111, and display a variation of the pressure value according to the pressure readings, for example, a pressure fluctuation curve (the abscissa is the position of the pressure measurement point 111, and the ordinate is the pressure value).

In some embodiments, the pressure processing terminal 130 may also be configured to display the suspect pressure value in a different color. Wherein the suspect pressure value may be determined by a machine learning model. In some embodiments, the model may be a machine learning model, such as a BERT model, that includes a self-attention mechanism. In some embodiments, the pressure values obtained by the plurality of pressure measurement points 111 and the position codes of the plurality of pressure measurement points 111 may be used as inputs of the model, and the output of the model may be the predicted pressure values corresponding to the plurality of pressure measurement points 111.

The position code may be a representation based on the position of each of the plurality of pressure points 111. Based on the position coding, the model can be applied to measuring devices 100 with different distributions of pressure points 111, for example, a measuring device 100 with a plurality of pressure points 111 fixed in position, for example, a measuring device 100 with a measuring section 116 variably connected to other parts (for example, a measuring section 116 telescopically connected), for example, a measuring device 100 with measuring sections 116 of different sizes. For the case where the plurality of pressure measurement points 111 are located differently, reference may be made to fig. 3 and the related description thereof.

In some embodiments, a difference between the predicted pressure value and the actual pressure value (acquired by the pressure measurement point 111) may be calculated, and the actual pressure value of the corresponding pressure measurement point 111 whose difference satisfies a preset condition may be considered as the doubt data, for example, if the difference is greater than a preset threshold, the actual pressure value measured by the pressure measurement point 111 may be considered as the doubt. In some embodiments, the actual pressure value of the pressure measurement point 111 may be displayed in different colors at the pressure processing terminal 130 according to the magnitude of the difference, and the display may be based on a preset rule. In some embodiments, the pressure processing terminal 130 may also display the predicted pressure value, which may be the same or different color than the corresponding actual pressure value.

In some embodiments, the model may be obtained by training. And modifying the values of partial pressure measurement points 111 in each group of training raw data by using the normally measured pressure value data as training raw data, wherein the modified amplitude is greater than the noise threshold value. And training the model by taking the value before modification as a label and the modified value as a training input. The noise threshold may be a preset value.

In some embodiments, the model including the self-attention mechanism can better reflect the correlation in a set of data, and a reasonable value of an individual pressure measurement point 111 can be predicted through the values of other data under the condition that the measured data of the point is inaccurate, so that the influence caused by the fault or error of the pressure measurement point 111 is reduced.

In some embodiments, the training method of the model may obtain a large amount of training data based on the actual pressure value data, so as to facilitate the training of the model.

In some embodiments, by using position coding in the model input, the model can be made to adapt to different situations of the distribution of the pressure measurement points 111, improving adaptability.

FIG. 2 is a block diagram of a measurement pipe 110 according to some embodiments of the present description.

As shown in fig. 2, in some embodiments, the outer wall of the measurement tube 110 may include air holes 112, and the air holes 112 may be used in connection with the balloon 113.

The air holes 112 may refer to holes opened in the outer wall of the measurement pipe 110. In some embodiments, the air holes 112 may be in communication with a hollow chamber inside the measurement pipe 110, through which an operator may blow or suck air at the air holes 112. In some embodiments, a gas pipe may be inserted into the hollow chamber inside the measuring pipe 110, and the gas pipe may communicate with the gas hole 112, and an operator may blow or suck air into the gas hole 112 through the gas pipe.

In some embodiments, the balloon 113 may be in communication with the air hole 112. The operator may inflate the airbag 113 by blowing gas into the gas hole 112, and the operator may deflate the airbag 113 by sucking gas out through the gas hole 112.

The balloon 113 may refer to a device that can be inflated to assume a balloon shape. In some embodiments, the material of the balloon 113 may be a flexible material having a certain elasticity so as to expand when inflated and contract when deflated.

In some embodiments, the outside of the balloon 113 may be covered with a medical stent that is capable of elastically contracting outside the balloon 113. In some embodiments, when the measurement tube 110 is delivered into a living body (e.g., a blood vessel), the medical stent may enter along with the measurement tube 110, and after reaching a position to be treated, an operator may inflate the balloon 113 through the air hole 112, and the balloon 113 is inflated to expand the medical stent so that the medical stent is separated from the measurement tube 110, so as to facilitate operations such as surgical treatment. After the operation is completed, the operator releases the gas in the balloon 113, and the medical stent is returned to the original elastically contracted state and then taken out together with the measurement tube 110.

In some embodiments, the operator can sleeve medical stents of different sizes on the outside of the balloon 113 as desired. The medical support is convenient for an operator to carry out operation treatment while checking and measuring pressure, and the operation efficiency and the operation accuracy are improved.

In some embodiments, the measurement device 100 may further comprise a balloon 113, e.g. the measurement device 100 may comprise a balloon 113 fixedly connected to the measurement tube 110.

In some embodiments, the airbag 113 may be detachably sleeved on the measuring tube 110, for example, the airbag 113 may be sleeved on the outer wall of the measuring tube 110 by a fastening, a thread, a binding, and the like, and the sealing property of the joint between the airbag 113 and the outer wall of the measuring tube 110 is ensured to be good. When the balloon 113 is inflated, the balloon 113 may be inflated around the circumference of the outer wall of the measurement tube 110 to facilitate the expansion of the medical stent. In other embodiments, the balloon 113 may be disposed on the outer wall of the measuring tube 110 at a predetermined position instead of a circle according to the medical requirements.

In some embodiments, the measurement device 100 may be connected to the balloon 113, the balloon 113 may be placed with medical stents of different sizes, and the balloon 113 may be inflated and deflated to expand or contract the balloon 113, so as to facilitate the operator to perform other treatments while performing examination and pressure measurement, and improve the efficiency and accuracy of diagnosis and treatment.

In some embodiments, the plurality of pressure measurement points 111 includes a first set of pressure measurement points 111-1 and a second set of pressure measurement points 111-2; the inter-group distance between the first group of pressure points 111-1 and the second group of pressure points 111-2 may be greater than the second distance; the air holes 112 are located in the compartment, which is the portion of the measurement tube 110 between the first set of pressure measurement points 111-1 and the second set of pressure measurement points 111-2.

The inter-group distance is the minimum value of the distance between any one of the first group of pressure measurement points 111-1 and any one of the second group of pressure measurement points 111-2, and the distance may be calculated by any method such as the distance based on the surface of the pressure measurement pipe, the axial distance, and the like.

In some embodiments, the inter-group distance between the first group of pressure measurement points 111-1 and the second group of pressure measurement points 111-2 may be greater than the second distance, which may correspond to the axial length of the air holes 112 on the measurement tube 110 and the interval section where the air bags 113 are located, for example only, to avoid the air bags 113 expanding and contracting to affect the pressure measurement on the measurement tube 110.

In some embodiments, the spacer segment may be the portion of the measurement tube 110 between the first set of pressure measurement points 111-1 and the second set of pressure measurement points 111-2. The length of the spacer may also correspond to the axial distance of the lesion site in the living body (e.g., in the blood vessel), and the first set of pressure points 111-1 and the second set of pressure points 111-2 may measure the blood pressure on the distal side of the stenosis and the blood pressure on the proximal side of the stenosis, respectively.

In some embodiments, the measurement tube 110 may further include two or more sets of pressure measurement points 111, and a plurality of spaced segments may be formed between the sets of pressure measurement points 111.

In some embodiments, the air holes 112 (and the air bags 113) may be located at the spacing segments, and a plurality of air holes 112 (and air bags 113) may be provided corresponding to the plurality of spacing segments.

In some embodiments, the air bag arranged on the measuring tube 110 can be used for opening the medical support sleeved on the measuring tube, so that an operation space is provided for other treatment operations, and therefore, after the pressure measurement is completed, the measuring tube 110 does not need to be withdrawn, and the medical support does not need to be placed again, so that the medical efficiency is improved, and the comfort level of a patient is improved.

FIG. 3 is a schematic illustration of the connection of the measurement tube 110 according to some embodiments of the present disclosure.

As shown in fig. 3, in some embodiments, the measurement section 116 may be variably connected with other portions of the measurement pipe 110, the measurement section 116 including at least one pressure measurement point 111. Among these, variable connections include, but are not limited to: detachable connections, telescopic connections, etc.

The measurement segment 116 may refer to the portion of the measurement tube 110 that includes the pressure measurement point 111. In some embodiments, the measurement segment 116 may be variably connected to other portions of the measurement tube 110 such that the length of the spacer segment changes.

By way of example only, the measurement tube 110 may include a first measurement tube 114 and a second measurement tube 115, the second measurement tube 115 may be removably sleeved over the first measurement tube 114, and the forward ends (the entry blood vessel ends) of the first measurement tube 114 and the second measurement tube 115 may be a first measurement segment 116-1 and a second measurement segment 116-2, respectively. The second measuring tube 115 can be moved axially on the first measuring tube 114, so that the length of the spacer segment is changed, and the measuring tube 110 is made to be flexible as a whole, so that the pressure ratio and/or the pressure difference at different positions can be measured as required, and the device can be suitable for vascular stenosis and the like with different lengths.

In some embodiments, the plurality of measuring sections 116 of the measuring device 100 are variably connected with other parts, so that the distance between the measuring sections 116 can be adjusted, and the measuring device is suitable for various diagnosis and treatment requirements.

In some embodiments, the measurement device 100 may include a plurality of different sized measurement segments 116, e.g., there may be at least one different measurement segment 116 in the same measurement device 100 in diameter, length, etc. The measurement tube 110 may be sized differently for different clinical needs, for example, multiple measurement segments 116 of different sizes may be provided for multiple vessel stenoses to obtain more accurate blood pressure readings. In some embodiments, the total length of the measurement section 116 may be 50-200 mm. Preferably, the total length of the measuring section 116 may be 100 mm.

FIG. 4 is a block diagram of the control valve 117 shown in accordance with some embodiments herein.

As shown in FIG. 4, in some embodiments, the bore of the measurement tube 110 includes a control valve 117 therein, which may be used for fluid extraction or injection.

The control valve 117 may refer to a device for opening and closing a pipeline, adjusting and controlling parameters (pressure, flow rate, etc.) of a transport medium. In some embodiments, the control valve 117 may be controlled in a variety of ways, such as manually, electrically, hydraulically, pneumatically, electromagnetically, etc. In some embodiments, the control valve 117 may be driven or automated to move the shutter member up and down, slidably, rotatably, or rotationally, thereby changing the size of the flow area to perform its control function.

In some embodiments, the hollow chamber inside the measurement tube 110 may be in communication with a suction device, and the orifice may have a control valve 117 disposed therein. In some embodiments, the hollow chamber inside the measurement tube 110 may be threaded through a suction duct, which may be in communication with a suction device, which may be provided with a control valve 117.

For example only, measurement tube 110 may be placed in intracranial hydrocephalus, with control valve 117 in a closed state; when needs are taken out the hydrocephalus, can open control valve 117, take out the hydrocephalus through suction device, close control valve 117 after the completion, will survey buret 110 and take out.

The embodiment of the specification can extract the hydrocephalus by opening the control valve 117, does not need to be additionally connected with other devices for sucking the hydrocephalus, does not need to be manually extracted by an operator, expands the functions of the measuring device 100, and improves the efficiency of medical examination and operation.

Fig. 5 is a schematic illustration of a distribution of pressure points 111 according to some embodiments described herein.

As shown in fig. 5, in some embodiments, at least two of the plurality of pressure measurement points 111 may be angled more than a distribution threshold from perpendicular to the axis of the measurement pipe 110. By way of example only, the perpendicular c1 of the pressure measurement point 111-c (center) in fig. 5 to the axis of the measurement pipe 110, the perpendicular d1, c1 of the pressure measurement point 111-d (center) in fig. 5 to the axis of the measurement pipe 110, the projection line c1 ', d1 of the same cross section of the measurement pipe 110 on which the projection line d 1', c1 and d1 are projected, may be represented by the angle Φ between c1 'and d 1', which may be greater than a distribution threshold, which may be predetermined, for example, 15 °, 30 °, 36 °, etc.

In one embodiment, the angle between two adjacent pressure measurement points 111 and the perpendicular to the axis of the measurement pipe 110 may be a predetermined value, for example, 30 °.

In another embodiment, any two of the plurality of pressure measurement points 111 may be at an angle of 0 ° to the perpendicular to the axis of the measurement pipe 110, i.e., the plurality of pressure measurement points 111 are arranged on the measurement pipe 110 in a straight line along the axial direction of the measurement pipe 110.

In some embodiments, the measurement range for each pressure measurement point 111 may be 60-200mmhg (i.e., 8-26kPa or to 5-30 kPa), and the measurement accuracy for each pressure measurement point 111 may be 1-2mmhg (i.e., 0.13-0.26 kPa).

Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing detailed disclosure is to be regarded as illustrative only and not as limiting the present specification. Various modifications, improvements and adaptations to the present description may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present specification and thus fall within the spirit and scope of the exemplary embodiments of the present specification.

Also, the description uses specific words to describe embodiments of the description. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the specification is included. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the specification may be combined as appropriate.

Additionally, the order in which the elements and sequences of the process are recited in the specification, the use of alphanumeric characters, or other designations, is not intended to limit the order in which the processes and methods of the specification occur, unless otherwise specified in the claims. While various presently contemplated embodiments have been discussed in the foregoing disclosure by way of example, it should be understood that such detail is solely for that purpose and that the appended claims are not limited to the disclosed embodiments, but, on the contrary, are intended to cover all modifications and equivalent arrangements that are within the spirit and scope of the embodiments herein. For example, although the system components described above may be implemented by hardware devices, they may also be implemented by software-only solutions, such as installing the described system on an existing server or mobile device.

Similarly, it should be noted that in the foregoing description of embodiments of the specification, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to imply that more features than are expressly recited in a claim. Indeed, the embodiments may be characterized as having less than all of the features of a single disclosed embodiment.

Numerals describing the number of components, attributes, etc. are used in some embodiments, it being understood that such numerals used in the description of the embodiments are modified in some instances by the use of the modifier "about", "approximately" or "substantially". Unless otherwise indicated, "about", "approximately" or "substantially" indicates that the number allows a variation of ± 20%. Accordingly, in some embodiments, the numerical parameters used in the specification and claims are approximations that may vary depending upon the desired properties of the individual embodiments. In some embodiments, the numerical parameter should take into account the specified significant digits and employ a general digit preserving approach. Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the range are approximations, in the specific examples, such numerical values are set forth as precisely as possible within the scope of the application.

For each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited in this specification, the entire contents of each are hereby incorporated by reference into this specification. Except where the application history document does not conform to or conflict with the contents of the present specification, it is to be understood that the application history document, as used herein in the present specification or appended claims, is intended to define the broadest scope of the present specification (whether presently or later in the specification) rather than the broadest scope of the present specification. It is to be understood that the descriptions, definitions and/or uses of terms in the accompanying materials of this specification shall control if they are inconsistent or contrary to the descriptions and/or uses of terms in this specification.

Finally, it should be understood that the embodiments described herein are merely illustrative of the principles of the embodiments of the present disclosure. Other variations are also possible within the scope of the present description. Thus, by way of example, and not limitation, alternative configurations of the embodiments of the specification can be considered consistent with the teachings of the specification. Accordingly, the embodiments of the present description are not limited to only those embodiments explicitly described and depicted herein.

Claims

1. A measuring device for use in a living body, comprising a measuring tube insertable into the living body; the measuring tube comprises a plurality of pressure measuring points, the distance between at least two of the pressure measuring points is larger than a first distance, and the pressure measuring points are in communication connection with the pressure processing terminal through communication guide wires arranged in the measuring tube.

2. A measuring device as claimed in claim 1, characterized in that the outer wall of the measuring tube comprises air holes for connection with air bags.

3. The measurement device of claim 2, wherein the plurality of pressure points comprises a first set of pressure points and a second set of pressure points;

the inter-group distance between the first group of pressure measuring points and the second group of pressure measuring points is greater than a second distance;

the air hole is located at a spacing section, and the spacing section is the part of the measuring pipe between the first group of pressure measuring points and the second group of pressure measuring points.

4. The measurement device of claim 2, further comprising the balloon.

5. A measuring device according to claim 4, wherein the bladder is removably received with the measuring tube.

6. A measuring device as claimed in claim 1, characterized in that a measuring section is variably connected to the rest of the measuring tube, which measuring section comprises at least one of the pressure measuring points.

7. A measuring device according to claim 6, characterised in that the measuring device comprises a plurality of measuring sections of different sizes.

8. A measuring device according to claim 1, characterized in that the measuring tube bore comprises a control valve for liquid withdrawal or injection.

9. The measurement device of claim 1, wherein the communication connection comprises: the pressure measuring point is connected with a communication terminal in a wired mode through the communication guide wire, and the communication terminal is connected with the pressure processing terminal in a wireless mode; the pressure processing terminal is used for displaying a plurality of pressure values.

10. A measuring device as claimed in claim 1, characterized in that at least two of the plurality of pressure measuring points have an angle with the perpendicular to the axis of the measuring tube which is greater than a distribution threshold.