Portable noninvasive pulmonary fluid detection device and host structure thereof

Abstract

The utility model relates to the technical field of medical instruments, and provides a host structure of a portable noninvasive pulmonary fluid detection device and the detection device, and the host structure comprises a shell which is provided with a bottom plate part and an accommodating space used for accommodating a circuit board module; the bottom plate part is provided with a cable supporting part protruding into the accommodating space. The cable supporting part is provided with at least two cable containing grooves and a positioning groove located between the two cable containing grooves. The circuit board module is mounted in the accommodating space and comprises radio frequency interfaces corresponding to the two cable accommodating grooves respectively; the radio frequency line assembly comprises a radio frequency receiving line and a radio frequency transmitting line which are arranged side by side and a spacer located between the radio frequency receiving line and the radio frequency transmitting line, the radio frequency receiving line and the radio frequency transmitting line are installed in the two cable containing grooves respectively and are in butt joint with the two radio frequency interfaces respectively, the spacer is installed in the positioning groove, and a reinforcing piece is arranged in the spacer. According to the technical scheme, mutual interference between the transmission signal and the acquisition signal can be reduced, and the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a main machine structure of a portable non-invasive lung water detection device and the detection device. BACKGROUND

[0002] Heart failure (also known as heart failure) is a common and easily overlooked cardiovascular disease. In most cases, patients do not receive effective and timely treatment for various coronary heart disease, hypertension, arrhythmia and other underlying heart diseases, and develop to the final stage - heart failure.

[0003] Heart failure is the terminal station of various heart diseases. The typical symptoms of heart failure are often manifested as dyspnea, lower limb edema, hepatomegaly (hepatic congestion), abdominal swelling (gastrointestinal congestion) and the like. Due to its poor prognosis and repeated deterioration of the disease, patients have a high risk of rehospitalization, thus seriously affecting the normal life of patients. The lung water capacity of the heart failure patients will generally be increased. Quantitative lung water monitoring and evaluation of the heart failure patients can effectively intervene as early as possible and reduce the risk of rehospitalization of the patients.

[0004] In the prior art, lung water content detection can be simply divided into invasive and non-invasive. The invasive method mainly includes the weight method and the method based on thermal dilution. The non-invasive method mainly includes detection based on density imaging or ultrasound. However, the equipment used as the non-invasive detection method has the problem of mutual interference of the collected signals and the transmitted signals, resulting in inaccurate detection data. CONTENT OF THE UTILITY MODEL

[0005] The technical problem to be solved by the present application is to provide a main machine structure of a portable non-invasive lung water detection device and the detection device, which can reduce the mutual interference between the transmitted signals and the collected signals and improve the detection accuracy.

[0006] In order to solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0007] In a first aspect, the application provides a host structure of a portable non-invasive lung water detection device, comprising: a shell having a bottom plate part and a receiving space for accommodating a circuit board module; the bottom plate part is provided with a cable support part protruding into the receiving space; the cable support part is provided with at least two cable accommodating grooves and a positioning groove between the two cable accommodating grooves, the two cable accommodating grooves and the positioning groove penetrate the cable support part in a direction parallel to the bottom plate part; a circuit board module installed in the receiving space, which includes a radio frequency interface corresponding to each of the two cable accommodating grooves; a radio frequency cable assembly including a radio frequency receiving line, a radio frequency transmitting line arranged side by side, and a spacer between them, the radio frequency receiving line and the radio frequency transmitting line are respectively installed in the two cable accommodating grooves and respectively connected to the two radio frequency interfaces, and the spacer is installed in the positioning groove, and the spacer is provided with a reinforcing member.

[0008] In the implementation process of the above technical solution, the shell is provided with a receiving space, the circuit board module is installed in the receiving space, the bottom plate part of the shell is further provided with a protruding cable support part, the cable support part is provided with at least two cable accommodating grooves which can be used to accommodate the radio frequency receiving line and the radio frequency transmitting line, and a positioning groove is provided between the two cable accommodating grooves which can be used to accommodate the spacer and the reinforcing member, the two cable accommodating grooves and the positioning groove penetrate the cable support part in a direction parallel to the bottom plate part, which can make the radio frequency receiving line and the radio frequency transmitting line extend out from one side of the shell, thereby improving the stability of the detection device during use and reducing the interference problem of the radio frequency receiving line and the radio frequency transmitting line during operation; the radio frequency receiving line and the radio frequency transmitting line are respectively connected to the circuit board module through the radio frequency interface, realizing the transmission and sending of radio frequency signals, since the radio frequency receiving line and the radio frequency transmitting line are used, the spacer is arranged between the radio frequency receiving line and the radio frequency transmitting line to separate the signals and reduce the mutual interference between the received and transmitted radio frequency signals, and the reinforcing member is arranged in the spacer to support the spacer and shield the signals, further improving the stability of the radio frequency signals during transmission and reception and improving the detection accuracy.

[0009] As an embodiment, the host structure further comprises a cover for covering the cable accommodating grooves and the positioning groove, and the cover is provided with notches matched with the cable accommodating grooves and the positioning groove.

[0010] In the implementation process of the above technical solution, the host structure further comprises a cover, and the cover is provided with notches matched with the cable accommodating grooves and the positioning groove, which can position and limit the radio frequency receiving line, the radio frequency transmitting line and the spacer when the cover is covered on the cable support part.

[0011] As an implementation form, the outer surfaces of the radio frequency receiving line and the radio frequency transmitting line are provided with protective layers, and the two protective layers are connected with the spacer.

[0012] In the implementation process of the above technical solution, by arranging protective layers on the outer surfaces of the radio frequency receiving line and the radio frequency transmitting line, the radio frequency receiving line and the radio frequency transmitting line can be protected. Meanwhile, the two protective layers are connected with the spacer, so that the protective layers and the spacer are arranged in parallel, which facilitates installation into the cable accommodating groove and the positioning groove. The protective layers are fixed on the cable support part to avoid the direct action of the pulling force of the user on the radio frequency receiving line or the radio frequency transmitting line, which is conducive to protecting the radio frequency receiving line or the radio frequency transmitting line.

[0013] As an implementation form, the shell comprises two side plate parts extending upward from the bottom plate part and a rear plate part connecting the two side plate parts, and the accommodation space is formed between the two side plate parts and the rear plate part.

[0014] The cable support part is arranged on one side of one of the side plate parts and connected with the side plate part. The side plate part is provided with through holes corresponding to the cable accommodating groove and the positioning groove.

[0015] In the implementation process of the above technical solution, the shell comprises two side plate parts connected with the bottom plate part and a rear plate part connected with the two side plate parts. The two side plate parts and the rear plate part surround the accommodation space. The cable support part is arranged on one side of one of the side plate parts and connected with the corresponding side plate part, so as to improve the stability of the structure. The corresponding side plate part is further provided with through holes corresponding to the cable accommodating groove and the positioning groove, so as to facilitate the extension of the radio frequency receiving line, the radio frequency transmitting line and the spacer to the outside of the shell.

[0016] As an implementation form, the rear plate part is provided with a handle part protruding into the accommodation space.

[0017] In the implementation process of the above technical solution, the rear plate part is provided with a handle part protruding into the accommodation space, so as to facilitate the operator to carry the detection device.

[0018] As an implementation form, the host structure further comprises an indicator light assembly arranged on the upper cover of the shell. The indicator light assembly comprises a light guide column arranged on the shell and a diffusion plate arranged at one end of the light guide column.

[0019] In the implementation process of the above technical solution, the host structure further comprises an indicator light assembly arranged on the upper cover of the shell. The indicator light assembly comprises a light guide column arranged on the shell and a diffusion plate arranged at one end of the light guide column. The cooperation of the light guide column and the diffusion plate makes the light emitted by the diode soft, which facilitates the operator to observe the indicator light.

[0020] As an implementation form, a shielding cover is arranged at a position where the radio frequency interface is connected to the circuit board module.

[0021] In the implementation process of the above technical solution, by arranging the shielding cover, external interference signals can be shielded, so as to improve the stability of radio frequency signal transmission and reception, and improve the accuracy of detection data.

[0022] As an implementation form, a wave-absorbing layer is arranged in the shielding cover.

[0023] In the implementation process of the above technical solution, by arranging the wave-absorbing layer in the shielding cover, the wave-absorbing layer can absorb and weaken electromagnetic waves, thereby reducing the interference of external electromagnetic waves on the radio frequency wire assembly.

[0024] As an implementation form, the circuit board module is connected to the shell through a shielding frame.

[0025] In the implementation process of the above technical solution, the circuit board module is connected to the shell through the shielding frame, which can reduce the signal interference of the circuit board module from the outside of the shell, shield the electromagnetic waves generated by the circuit board module, the radio frequency receiving wire and the radio frequency transmitting wire in the shell, and support the circuit board module.

[0026] Secondly, the application provides a non-invasive lung water detection device, which comprises the host structure of the portable non-invasive lung water detection device provided by the first aspect, and a wearing part arranged on the body of a detection object, wherein the wearing part is connected with a transmitting sensor and a receiving sensor, and the transmitting sensor and the receiving sensor are connected with the radio frequency transmitting wire and the radio frequency receiving wire respectively.

[0027] In the implementation process of the above technical solution, the wearing part can be worn on the body of a detection object, and the wearing part is connected with a transmitting sensor and a receiving sensor, and the transmitting sensor is connected with the radio frequency transmitting wire and the receiving sensor is connected with the radio frequency receiving wire, so that the weak electromagnetic waves emitted by the transmitting sensor can pass through the lung of the detection object, the corresponding electromagnetic waves are received by the receiving sensor, and are transmitted to the circuit board module through the radio frequency receiving wire, and then are analyzed by the circuit board module, so as to detect the corresponding index of lung water. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings required in the embodiments of the application will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation on the scope, and other related drawings can also be obtained by those skilled in the art without creative labor.

[0029] Figure 1 A host structure schematic diagram provided for an embodiment of the present application;

[0030] Figure 2 An exploded structure schematic diagram of a host structure provided for an embodiment of the present application;

[0031] Figure 3 Different exploded structure schematic diagrams of a host structure provided for an embodiment of the present application;

[0032] Figure 4 Structure schematic diagrams of a host structure from different perspectives provided for an embodiment of the present application;

[0033] Figure 5 An exploded structure schematic diagram of a non-invasive lung water detection device provided for an embodiment of the present application;

[0034] Figure 6 A structure schematic diagram of a non-invasive lung water detection device provided for an embodiment of the present application;

[0035] Figure 7 A structure schematic diagram of a host structure from another perspective provided for an embodiment of the present application.

[0036] Icon: 1 - radio frequency receiving line; 2 - radio frequency transmitting line; 3 - spacer; 4 - protective layer; 5 - reinforcing piece; 6 - shell; 61 - cable containing groove; 62 - positioning groove; 64 - handle part; 65 - bottom plate part; 66 - cable support part; 67 - through hole; 7 - support; 9 - light guide column; 10 - diffusion plate; 11 - circuit board module; 12 - radio frequency interface; 13 - shielding cover; 14 - shielding support; 15 - cover; 151 - notch; 16 - wave absorbing layer; 17 - wearing piece; 18 - receiving sensor; 19 - transmitting sensor. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0038] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0039] As Figure 1 and 2As shown in the first aspect, the embodiment of the present application provides a host structure of a portable non-invasive lung water detection device, which can fix the radio frequency receiving line 1 and the radio frequency transmitting line 2, and meanwhile, a spacer 3 and a reinforcing piece 5 are arranged between the radio frequency receiving line 1 and the radio frequency transmitting line 2, so that the radio frequency signal can be stably received and transmitted, the interference between them is reduced, and the accuracy of the detection data is improved.

[0040] As shown in the first aspect, Figure 1 , 2 and 5, the host structure comprises a shell 6 having a bottom plate part 65 and a receiving space, the circuit board module 11 is installed in the receiving space, the cable support part 66 is arranged on the bottom plate part 65, the cable support part 66 is provided with at least two cable accommodating grooves 61, the cable accommodating grooves 61 are used to install the radio frequency receiving line 1 and the radio frequency transmitting line 2, the two cable accommodating grooves 61 are further provided with a positioning groove 62, and the positioning groove 62 is used to install the spacer 3; the two cable accommodating grooves 61 and the positioning groove 62 penetrate through the cable support part 66 in the direction parallel to the bottom plate part 65, so that the radio frequency receiving line 1 and the radio frequency transmitting line 2 can extend out from one side of the shell 6, which is beneficial to improve the stability of the detection device during use and also reduces the interference problem of the radio frequency receiving line 1 and the radio frequency transmitting line 2 during operation; the radio frequency receiving line 1 and the radio frequency transmitting line 2 are connected with the circuit board module 11 through the radio frequency interface 12, so as to realize the transmission and sending of the radio frequency signal; the spacer 3 is arranged between the radio frequency receiving line 1 and the radio frequency transmitting line 2, so as to separate the received and sent signals, reduce the interference between the received and transmitted radio frequency signals, and meanwhile, the reinforcing piece 5 is arranged in the spacer 3, which can support the spacer 3, reduce the collapse problem of the spacer 3, and further improve the stability of the radio frequency signal during the transmission and receiving process and improve the detection accuracy.

[0041] Optionally, the cable support part 66 and the bottom plate part 65 can be integrally formed to meet the stability of the cable support part 66.

[0042] Optionally, the reinforcing piece 5 can be a metal piece, for example, an iron or aluminum material.

[0043] As shown in the first aspect, Figure 2 As an embodiment, the host structure further comprises a cover 15, one side of the cover 15 towards the cable support part 66 is provided with a notch 151 matched with the cable accommodating groove 61 and the positioning groove 62, and the cover 15 is detachably connected with the cable support part 66, when the cover 15 is covered to the position of the cable support part 66, the radio frequency receiving line 1, the radio frequency transmitting line 2 and the spacer 3 can be positioned and limited.

[0044] Optionally, the cover 15 and the cable support part 66 can be connected by screws.

[0045] As shown in Figure 1 and 5 As an embodiment, the outer surfaces of the radio frequency receiving line 1 and the radio frequency transmitting line 2 are provided with protective layers 4, which can protect the radio frequency receiving line 1 and the radio frequency transmitting line 2. At the same time, the two protective layers 4 are connected with the spacer 3, so that the protective layers 4 and the spacer 3 are arranged in parallel, which is convenient for installation into the cable accommodating groove 61 and the positioning groove 62. Since the host structure of the portable non-invasive lung water detection device is considered, it is important to consider the portability and the anti-pulling performance of the radio frequency receiving line and the radio frequency transmitting line. Therefore, the protective layer 4 is arranged on the outer surface of the radio frequency transmitting line 2 and the radio frequency receiving line 1, and the protective layer 4 is fixed on the cable support part 66, which can alleviate the pulling force directly acting on the radio frequency receiving line 1 or the radio frequency transmitting line 2, thereby protecting the radio frequency receiving line 1 and the radio frequency transmitting line 2.

[0046] Optionally, the protective layer 4 can be made of insulating material, the spacer 3 can also be made of insulating material, and the protective layer 4 and the spacer 3 can be made of the same material, which is convenient for processing and production.

[0047] As shown in Figure 7 As an embodiment, the shell 6 includes two side plate parts connected with the bottom plate part 65, and a back plate part connected with the two side plate parts. The two side plate parts and the back plate part enclose a receiving space, the cable support part 66 is located on one side of one of the side plate parts and connected with the corresponding side plate part, so as to improve the stability of the structure. The corresponding side plate part is also provided with a through hole 67 corresponding to the cable accommodating groove 61 and the positioning groove 62, so as to facilitate the extension of the radio frequency receiving line 1, the radio frequency transmitting line 2 and the spacer 3 to the outside of the shell 6.

[0048] As shown in Figure 4 As an embodiment, the back plate part is provided with a handle part 64 protruding into the receiving space, so as to facilitate the operator to carry the detection device.

[0049] As shown in Figures 3 to 5 As an embodiment, the host structure further includes an indicator light assembly arranged on the upper cover of the shell 6. The indicator light assembly includes a light guide column 9 arranged on the shell 6, and a diffusion plate 10 arranged at one end of the light guide column 9. The cooperation of the light guide column 9 and the diffusion plate 10 makes the light emitted by the diode soft, improves the illumination effect, and facilitates the operator to observe the indicator light.

[0050] As shown in Figure 4As shown, optionally, the host structure is also provided with an indicator light circuit board, the indicator light circuit board is connected with the circuit board module 11 through wires, the indicator light circuit board is provided with a plurality of diodes, and the bracket 7 is also provided with a plurality of grooves accommodating the light guide columns 9, one side of the light guide column is a diffusion plate 10, so that the light emitted by the diode is soft light.

[0051] Optionally, the bracket 7 can be connected with the upper cover of the shell 6 through screws.

[0052] Optionally, the bottom plate part 65, the side plate part and the back plate part constitute the lower shell of the shell 6, and the upper cover can be covered on the lower shell.

[0053] As shown in Figure 1 and 3 As an embodiment, the radio frequency interface 12 is provided with a shielding cover 13 at the position connected with the circuit board module 11. By setting the shielding cover 13, the external interference signals can be shielded, so as to improve the stability of radio frequency signal transmission and reception, and improve the precision of detection data.

[0054] As shown in Figure 3 As an embodiment, the shielding cover 13 is provided with a wave absorbing layer 16. By setting the wave absorbing layer 16 in the shielding cover 13, the wave absorbing layer 16 can absorb and weaken electromagnetic waves, so as to reduce the interference of external electromagnetic waves on the radio frequency wire assembly.

[0055] As shown in Figure 3 As an embodiment, the circuit board module 11 is connected with the shell 6 through a shielding frame 14. On the one hand, the signal interference of the circuit board module 11 outside the shell 6 can be reduced, and the electromagnetic waves generated by the circuit board module 11, the radio frequency receiving wire 1 and the radio frequency transmitting wire 2 in the shell 6 to the outside can be shielded; on the other hand, the shielding frame 14 can also support the circuit board module 11.

[0056] Optionally, the shielding frame 14 is composed of two parts, including a base and a cover plate, the cover plate is buckled on the base, the circuit board module 11 is located between the base and the cover plate, and the base and the cover plate are also provided with wave absorbing layers 16 on the side facing the circuit board module 11.

[0057] As shown in Figure 6As shown, in the second aspect, the embodiment of the present application provides a portable non-invasive lung water detection device, which comprises the host structure provided in the first aspect, further comprises a wearing part 17, the wearing part 17 can be worn on the body of the detected person, and the wearing part 17 is connected with a transmitting sensor 19 and a receiving sensor 18, and the transmitting sensor 19 is connected with the radio frequency transmitting line 2, and the receiving sensor 18 is connected with the radio frequency receiving line 1, the weak electromagnetic wave emitted by the transmitting sensor 19 can pass through the lung of the detected person, the corresponding electromagnetic wave is received by the receiving sensor 18, and is transmitted to the circuit board module 11 through the radio frequency receiving line 1, and the corresponding index in the lung water is detected by the circuit board module 11, and the non-invasive detection method is used in the lung water detection device of the embodiment of the present application, which is convenient to operate; at the same time, it is convenient to carry, and can be detected at any time.

[0058] Optionally, the shell 6 comprises an upper shell and a lower shell.

[0059] Optionally, the circuit board module 11 can calculate the absolute value of the lung water content through a corresponding algorithm, the non-invasive lung water detection device of the embodiment of the present application uses the wave impedance method to measure the dielectric property of the tissue, the transmitting sensor 19 can emit a small power electromagnetic signal to pass through the chest cavity and the lung, measure the dielectric constant (impedance value) of the lung, the corresponding signal is received by the receiving sensor 18 on the opposite side, transmitted to the circuit board module 11 through the radio frequency receiving line 1, and the circuit board module 11 calculates the percentage of the liquid through a corresponding algorithm, and the absolute value of the lung water content of the patient is displayed on the display screen of the upper shell of the shell 6, so as to realize the non-invasive lung water detection of the detected person.

[0060] The above only describes the embodiments of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0061] The above only describes the embodiments of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0062] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A main structure of a portable non-invasive lung water detection device, characterized by, The main machine structure comprises: a shell having a bottom plate part and a receiving space for accommodating a circuit board module; the bottom plate part is provided with a cable support part protruding into the receiving space; the cable support part is provided with at least two cable receiving grooves and a positioning groove between the two cable receiving grooves, and the two cable receiving grooves and the positioning groove penetrate through the cable support part in a direction parallel to the bottom plate part; a circuit board module installed in the receiving space, comprising radio frequency interfaces corresponding to the two cable receiving grooves respectively; a radio frequency cable assembly comprising radio frequency receiving lines, radio frequency transmitting lines arranged side by side, and a spacer between the two, the radio frequency receiving lines and the radio frequency transmitting lines are respectively installed in the two cable receiving grooves and respectively connected with the two radio frequency interfaces, and the spacer is installed in the positioning groove, and the spacer is provided with a reinforcing member.

2. The host structure of claim 1, wherein, The main machine structure further comprises a cover for covering the cable receiving grooves and the positioning groove, and the cover is provided with notches matched with the cable receiving grooves and the positioning groove.

3. The host structure according to claim 1 or 2, characterized in that The outer surface of the radio frequency receiving lines and the radio frequency transmitting lines is provided with a protective layer, and the two protective layers are connected with the spacer.

4. The host structure according to claim 1 or 2, characterized in that, The shell comprises two side plate parts extending upward from the bottom plate part and a rear plate part connecting the two side plate parts, and the receiving space is formed between the two side plate parts and the rear plate part; The cable support part is arranged on one side of one of the side plate parts and connected with the side plate part, and the side plate part is provided with through holes corresponding to the cable receiving grooves and the positioning groove.

5. The host structure of claim 4, wherein, The rear plate part is provided with a handle part protruding into the receiving space.

6. The host structure according to claim 1 or 2, wherein The main machine structure further comprises an indicator light assembly arranged on the upper cover of the shell, the indicator light assembly comprises a light guide column arranged on the shell, and a diffusion plate arranged at one end of the light guide column.

7. The host structure according to claim 1 or 2, wherein The position where the radio frequency interface is connected with the circuit board module is provided with a shielding cover.

8. The host structure of claim 7, wherein, The shielding cover is provided with an absorbing layer.

9. The host structure according to claim 1 or 2, wherein The circuit board module is connected with the shell through a shielding frame.

10. A non-invasive lung water detection device, characterized by, The main machine structure comprises: a wearing part for wearing on the body of a detector, and the wearing part is provided with a transmitting sensor and a receiving sensor connected with the radio frequency receiving lines and the radio frequency transmitting lines respectively.

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