Portable transcranial doppler and blood pressure synchronous monitoring headstock and use method

Abstract

The application relates to a portable transcranial Doppler and blood pressure synchronous monitoring head frame and a use method, and belongs to the technical field of medical instruments. The portable transcranial Doppler and blood pressure synchronous monitoring head frame and the use method comprise two connecting seats, a front fixing frame, a top fixing frame, a rear fixing frame and two synchronous detection frames. According to the scheme, the transcranial Doppler probe and the pressure type blood pressure probe are integrated on the same head frame through the synchronous detection frame, adjacent position synchronous monitoring of double probes in the temple region is realized, and the problem that traditional separated detection needs step-by-step operation and cooperation of two parts of a patient is solved. In view of adjacent crosstalk of mechanical vibration of the blood pressure probe on the transcranial Doppler signal, a shielding cover composed of a gradient impedance layer, an air gap vibration isolation layer and a closed vacuum cavity is embedded in a flexible wrapping sleeve, a guide block pushes a sealing lip edge into interference fit with the skin when a nut is screwed, and a four-stage vibration attenuation and space isolation system is constructed.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a portable transcranial Doppler and blood pressure synchronous monitoring head frame and its usage method. Background Technology

[0002] Transcranial Doppler ultrasound (TCU) uses an ultrasound probe placed at a weak point in the skull, such as the temporal window, to emit ultrasound waves and receive the reflected signals from cerebral arteries. These signals are then processed to obtain parameters such as blood flow velocity. Blood pressure is typically measured by inflating a cuff to compress the brachial artery. The systolic and diastolic pressure values ​​are calculated by detecting the pulsation or oscillatory waves in the vessel wall.

[0003] The transcranial Doppler probe needs to be fixed against the temporal window, while the blood pressure cuff is wrapped around the upper arm for compression. Since the two detection sites do not overlap, they cannot be completed simultaneously and must be operated step-by-step. The patient must keep their head still to ensure a stable ultrasound signal and also remain still while the upper arm cuff inflates. This dual constraint significantly increases the difficulty of coordination and the overall testing time. Even when attempting to integrate the transcranial Doppler and blood pressure probes into the same anatomical region, the compression process required for blood pressure measurement still introduces mechanical interference, affecting the Doppler's accurate capture of cerebral arterial blood flow. Summary of the Invention

[0004] Therefore, it is necessary to address the problem that existing transcranial Doppler and blood pressure monitoring devices require separate fixation to the head and upper limbs, making it impossible to achieve simultaneous acquisition and functional coupling of the two signals at the same anatomical site. This would require providing a portable transcranial Doppler and blood pressure simultaneous monitoring head frame and its usage method.

[0005] A portable transcranial Doppler and blood pressure synchronous monitoring headstand includes: The number of connectors is two, and the opposite ends of the two connectors are bonded with sponge protective pads; The front fixed frame, top fixed frame, and rear fixed frame are all rotatably connected to the two connecting seats by pins, and the structures of the front fixed frame, top fixed frame, and rear fixed frame are all the same. Two synchronous testing frames are provided. Each synchronous testing frame includes a threaded locking assembly, which is fixedly connected to the outside of a connecting seat. A sliding frame is slidably connected to the surface of the threaded locking assembly. Two adjustment holes are provided at the end of the sliding frame facing away from the connecting seat. A spherical adjustment sleeve is slidably connected to the inside of each adjustment hole. A threaded clamp assembly is fixedly connected to the end of the spherical adjustment sleeve facing away from the connecting seat. Locking assemblies that are interlocked and in contact with the spherical adjustment sleeve are fixedly connected to both sides of the sliding frame. A flexible sleeve is inserted into the inside of one of the spherical adjustment sleeves. The inner side of the flexible sleeve protrudes inward and forms a resistance-increasing ring. A cylindrical shield is embedded inside the flexible sleeve. A guide block disposed inside the deformation joint is fixedly connected to the surface of the flexible sleeve. The end of the guide block facing away from the resistance-increasing ring is in contact with a nut.

[0006] In one embodiment, the threaded locking assembly includes a threaded seat fixedly connected to the outside of a connecting seat. A recess is provided at one end of the threaded seat facing away from the connecting seat. The slide frame is slidably connected to the inside of the recess. A threaded adjustment handle that contacts the slide frame is threadedly connected to the inside of the threaded seat.

[0007] In one embodiment, the contact portions of the adjustment hole and the spherical adjustment sleeve are both matched with spherical sections, and the center points of the cross sections of the adjustment hole and the spherical adjustment sleeve coincide.

[0008] In one embodiment, both ends of the spherical adjusting sleeve are fixedly connected with anti-detachment rings, and the diameter of the anti-detachment rings is larger than the inner diameter of the adjusting hole opening.

[0009] In one embodiment, the threaded sleeve assembly includes a tapered threaded sleeve, which is fixedly connected to one end of the spherical adjusting sleeve facing away from the connecting seat. A deformation slot is provided on the surface of the tapered threaded sleeve, and a nut is threadedly connected to the surface of the tapered threaded sleeve. The inner diameter of the nut is the same as the diameter of the middle part of the tapered threaded sleeve.

[0010] In one embodiment, a flexible protective pad is embedded in the inner side of the tapered threaded sleeve, the flexible protective pad being a medical-grade silicone material component.

[0011] In one embodiment, the locking assembly includes an internally threaded sleeve fixedly connected to the side end of the slide frame. The inner side of the internally threaded sleeve communicates with an adjustment hole. The inner side of the internally threaded sleeve is threadedly connected to a threaded adjustment rod that contacts the spherical adjustment sleeve. The threaded adjustment rod is L-shaped with rounded corners.

[0012] In one embodiment, the front fixing frame includes an arc frame, the two ends of which are rotatably connected to the opposite ends of the two connecting seats by pins. An arc-shaped threaded sleeve is slidably connected to the surface of the arc frame, and a threaded handle is threadedly connected to the inner side of the arc-shaped threaded sleeve. A disc seat is rotatably connected to the side of the threaded handle facing the connecting seat.

[0013] In one embodiment, a method for using a portable transcranial Doppler and blood pressure synchronous monitoring headstand is as follows: 1. Headrest Fixation: Place the two connecting seats symmetrically on the corresponding positions on both sides of the patient's head. Adjust the arc-shaped threaded sleeve and threaded handle on the front fixation frame in sequence to press the disc seat tightly against the patient's forehead. Adjust the arc-shaped threaded sleeve and threaded handle on the top fixation frame to press the disc seat tightly against the top of the patient's head. Adjust the arc-shaped threaded sleeve and threaded handle on the rear fixation frame to press the disc seat tightly against the back of the patient's head. Confirm that the headrest is stable as a whole and that the patient has no discomfort.

[0014] II. Transcranial Doppler Probe Fixation: Take the synchronous detection frame, place the sliding frame on the recessed platform outside the connecting seat, and screw the threaded adjustment handle into the threaded seat; adjust one of the spherical adjustment sleeves on the sliding frame to the position of the transcranial Doppler detection window on the patient's temporal side, and adjust the angle of the spherical adjustment sleeve within the adjustment hole to align the transcranial Doppler probe axis with the temporal window; tighten the threaded adjustment handle to lock the sliding frame at the required angle; place the flexible sheath on the surface of the transcranial Doppler probe, ensuring that the opening of the flexible sheath is flush with the end of the transcranial Doppler probe, and then... The flexible sheath is reinforced with a resistance ring, and a coupling agent is applied to the inside of the flexible sheath. The flexible sheath, along with the transcranial Doppler probe, is inserted into the threaded clip assembly connected to the spherical adjustment sleeve, so that the flexible sheath and the transcranial Doppler probe simultaneously adhere to the corresponding skin. The nut is tightened to cause the tapered threaded sleeve to contract and clamp the transcranial Doppler probe. At the same time, the nut pushes the guide block towards the skin. The guide block causes the flexible sheath and the transcranial Doppler probe to elastically adhere to the patient's skin surface. Finally, the locking assembly at the corresponding position of the spherical adjustment sleeve is tightened to fix the angle of the spherical adjustment sleeve.

[0015] 3. Fixing the pressure-adhesive blood pressure probe: Adjust the other spherical adjustment sleeve on the sliding frame to the area of ​​the superficial temporal artery on the same side of the patient. Adjust the angle of the spherical adjustment sleeve in the adjustment hole to ensure that the pressure-adhesive blood pressure probe and the transcranial Doppler probe maintain an appropriate distance and do not make direct contact. Insert the pressure-adhesive blood pressure probe into the threaded clip assembly connected to the spherical adjustment sleeve. Adjust the probe pressure to meet the requirements of the blood pressure monitoring specifications. Tighten the nut to make the tapered threaded sleeve contract and clamp the pressure-adhesive blood pressure probe. Then tighten the locking assembly at the corresponding position of the spherical adjustment sleeve to fix the angle of the spherical adjustment sleeve.

[0016] IV. Equipment Start-up and Monitoring: Connect the transcranial Doppler and blood pressure monitoring equipment. After confirming that the signals from the two probes are stable, start the synchronous monitoring function.

[0017] 1. The aforementioned portable transcranial Doppler and blood pressure simultaneous monitoring headframe and its usage method integrate the transcranial Doppler probe and the pressure-adhesive blood pressure probe into the same headframe via a simultaneous detection frame, achieving simultaneous monitoring of adjacent areas in the temporal region by dual probes. This solves the problem of traditional separate detection requiring step-by-step operation and patient cooperation at two sites. To address the adjacent crosstalk of the transcranial Doppler signal caused by the mechanical vibration of the blood pressure probe, a shielding cover consisting of a gradient impedance layer, an air gap vibration isolation layer, and a closed vacuum cavity is embedded within a flexible sheath. When the nut is tightened, the guide block pushes the sealing lip to make an interference fit with the skin, constructing a four-level vibration attenuation and spatial isolation system.

[0018] 2. This design incorporates a sliding frame and a spherical adjustment sleeve within the synchronous detection frame. The sliding frame can slide laterally along the concave platform to adjust the extension distance, while the spherical adjustment sleeve rotates omnidirectionally within the adjustment hole. This allows the transcranial Doppler probe and the pressure-sensitive blood pressure probe to be independently and precisely positioned to different target areas in the temporal region, catering to individual anatomical differences. After adjustment, the threaded adjustment handle and threaded adjustment rod are tightened respectively to simultaneously lock the probe's lateral position and spatial angle, preventing displacement due to patient movement or cable traction during use. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the synchronous detection frame in this invention; Figure 3 for Figure 2 Schematic sectional view along the middle AA direction; Figure 4 for Figure 2 Cross-sectional view along the middle BB direction; Figure 5 This is an exploded view of the synchronous detection frame in this invention; Figure 6 This is an exploded schematic diagram of the anti-interference structure in this invention; Figure 7 This is a schematic diagram of the front fixing frame in this invention; Figure 8 This is a cross-sectional schematic diagram of the front fixing frame in this invention.

[0021] Figure label: 100. Connecting seat; 200. Front fixed bracket; 210. Arc bracket; 220. Arc-shaped threaded sleeve; 230. Threaded handle; 240. Disc seat; 300. Top fixed bracket; 400. Rear fixed bracket; 500. Synchronous detection bracket; 510. Threaded locking assembly; 511. Threaded seat; 512. Recessed platform; 513. Threaded adjusting handle; 520. Sliding frame; 530. Adjusting hole; 540. Spherical adjusting sleeve; 550. Threaded clamp assembly; 551. Tapered threaded sleeve; 552. Deformation gap; 553. Nut; 554. Flexible protective pad; 560. Locking assembly; 561. Internal threaded sleeve; 562. Threaded adjusting rod; 570. Anti-disengagement ring; 580. Flexible wrapping sleeve; 581. Resistance ring; 590. Shielding cover; 5100. Guide block. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this specification are for illustrative purposes only and do not represent the only possible implementation.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used in this specification includes any and all combinations of one or more of the associated listed items.

[0027] The following is combined Figure 1 - Figure 8 This invention describes the portable transcranial Doppler and blood pressure synchronous monitoring head frame and its usage method.

[0028] In one embodiment, a portable transcranial Doppler and blood pressure synchronous monitoring head frame includes two connectors 100, with foam protective pads adhered to the opposite ends of the two connectors 100.

[0029] like Figure 1 , Figure 6 and Figure 7 As shown, the opposite ends of the two connecting seats 100 are rotatably connected to the front fixing frame 200 by pins, which is used to adjust the tightness according to the head shape and improve the stability and comfort of wearing. The front fixing frame 200 includes an arc frame 210, which is used to fit the front contour of the head and enhance the fit. The two ends of the arc frame 210 are rotatably connected to the opposite ends of the two connecting seats 100 by pins. An arc-shaped threaded sleeve 220 is slidably connected to the surface of the arc frame 210, which is used to slide and adjust on the arc frame 210 to adapt to different wearing positions. A threaded handle 230 is threadedly connected to the inner side of the arc-shaped threaded sleeve 220, which is used to lock and loosen the front fixing frame 200 by rotation, making operation convenient. A disc seat 240 is rotatably connected to the side of the threaded handle 230 facing the connecting seat 100, which is used to increase the contact area with the head, distribute local pressure, and avoid pressure.

[0030] The two connecting seats 100 are also rotatably connected to a top fixing frame 300 via pins, which is used to assist in fixing from the top of the head and enhance the overall structural stability. The structure of the top fixing frame 300 is the same as that of the front fixing frame 200. The two connecting seats 100 are also rotatably connected to a rear fixing frame 400 via pins, which is used to form a three-point support with the front fixing frame 200 to prevent the head frame from shifting during use. The structure of the rear fixing frame 400 is the same as that of the front fixing frame 200.

[0031] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a synchronous detection frame 500 is fixedly connected to the outer side of each of the two connecting seats 100. This is used to achieve integrated operation of the detection component and the head frame, providing a stable foundation platform for the synchronous operation of the dual probes in adjacent positions. It also facilitates medical personnel to perform monitoring operations based on whether one side of the patient is injured or based on the placement of the equipment on a specific side. The synchronous detection frame 500 includes a threaded locking component 510 fixedly connected to the outer side of the connecting seat 100, used to adjust and lock the position of the sliding frame 520, facilitating adjustment of the extension distance of the detection component. The threaded locking component 510 includes a threaded... The seat 511 provides a sliding guide for the slide frame 520 and a mounting base for the threaded adjustment handle 513. The end of the threaded seat 511 facing away from the connecting seat 100 has a recess 512, which limits the sliding direction of the slide frame 520 and improves the stability of the adjustment process. The inner side of the threaded seat 511 is threadedly connected to the threaded adjustment handle 513, which is used to control the sliding and locking of the slide frame 520 by rotation, so as to facilitate the adjustment of the position of the detection component. The inner side of the recess 512 is slidably connected to the slide frame 520, which drives the detection component to move laterally to accommodate different user head widths, and the threaded adjustment handle 513 is in contact with the slide frame 520.

[0032] Two adjustment holes 530 are provided at one end of the sliding frame 520 facing away from the connecting seat 100. These holes provide spherical sliding space for the spherical adjustment sleeve 540, enabling multi-angle adjustment. The spherical adjustment sleeve 540 is slidably connected to the inner side of the adjustment hole 530, allowing for universal angle adjustment. This facilitates the independent and precise alignment of the transcranial Doppler probe and the pressure-sensitive blood pressure probe with their respective target detection areas, establishing a positioning basis for subsequent spatial isolation and anti-interference. The adjustment holes 530 and the spherical adjustment sleeve 540... All contact parts are matched spherical sections, and the center points of their cross sections coincide. This coincident design ensures that the spherical adjusting sleeve 540 maintains a uniform contact gap when rotating in any direction within the adjusting hole 530, resulting in smooth rotation without jamming. Both ends of the spherical adjusting sleeve 540 are fixedly connected with anti-detachment rings 570 to prevent the spherical adjusting sleeve 540 from coming out of the adjusting hole 530 during adjustment, thereby improving structural reliability. The diameter of the anti-detachment ring 570 is larger than the inner diameter of the opening of the adjusting hole 530.

[0033] like Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, a flexible sleeve 580 is inserted inside one of the spherical adjustment sleeves 540. The inner side of the flexible sleeve 580 protrudes inward and forms a resistance-increasing ring 581. A cylindrical shield 590 is embedded inside the flexible sleeve 580. A guide block 5100, located inside the deformation slot 552, is fixedly connected to the surface of the flexible sleeve 580. One end of the guide block 5100, facing away from the resistance-increasing ring 581, contacts a nut 553. This structure establishes a dual acoustic impedance mismatch interface and a dynamic decoupling mechanism to attenuate the electromagnetic radiation and mechanical vibration generated by the adjacent pressure-type blood pressure probe in a graded manner. The shield 590 consists of a gradient impedance layer, an air gap vibration isolation layer, and a closed vacuum cavity. The gradient impedance layer uses a backing material made of tungsten powder and epoxy resin, and its acoustic impedance value is between that of the flexible sleeve 580 and the air gap vibration isolation layer. By constructing an acoustic impedance transition zone, most of the mechanical vibration waves generated by the blood pressure probe are reflected at the impedance abrupt change interface. The air gap vibration isolation layer, located between the gradient impedance layer and the closed vacuum cavity, consists of an air layer 0 to 0.3 mm thick. Utilizing the significant difference in acoustic impedance between air and the solid medium, it reflects residual vibration waves that have penetrated the gradient impedance layer. The closed vacuum cavity is located inside the shielding cover 590, maintaining a high vacuum state. By blocking the continuous propagation path of mechanical vibration in the solid medium, the low-frequency vibrations generated by the blood pressure probe are attenuated here. The flexible sheath 580 has a circumferentially extending sealing lip on its front end face that contacts the transcranial Doppler probe. After the nut 553 is tightened, the sealing lip forms an interference fit with the skin. The acoustic coupling agent coated on the mating surface forms a continuous acoustic transmission channel inside the sealing lip, achieving spatial isolation between the ultrasonic transmission path of the transcranial Doppler probe and the vibration interference path of the blood pressure probe, thereby improving the signal-to-interference ratio between the Doppler signal received by the transcranial Doppler probe and the blood pressure monitoring signal.

[0034] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a threaded clamp assembly 550 is fixedly connected to one end of the spherical adjusting sleeve 540 facing away from the connecting seat 100. This assembly enables rapid installation and secure fixation of the detection device, ensuring stable and consistent coupling pressure between the flexible wrapping sleeve 580 and the probe in the anti-interference structure. The threaded clamp assembly 550 includes a tapered threaded sleeve 551 fixedly connected to one end of the spherical adjusting sleeve 540 facing away from the connecting seat 100. This tapered threaded sleeve 551 is used to uniformly clamp the internal detection device through radial contraction. A deformation slot 552 is provided on the surface of the tapered threaded sleeve 551 to provide radial contraction space for the tapered threaded sleeve 551, ensuring the reliability of the clamping action. The tapered threaded sleeve 551 is threaded... A nut 553 is attached to the tapered threaded sleeve 551, which is rotated to retract or loosen, achieving rapid locking and releasing. Simultaneously, it drives the guide block 5100 to establish an anti-interference sealing interface. The inner diameter of the nut 553 is the same as the diameter of the middle part of the tapered threaded sleeve 551. The equal diameter design ensures that the nut 553 applies a uniform radial force to the tapered threaded sleeve 551 when tightened, resulting in stable clamping. A flexible protective pad 554 is embedded on the inner side of the tapered threaded sleeve 551 to provide cushioning protection during clamping, prevent scratches on the surface of the detection device, and increase clamping friction. The flexible protective pad 554 is made of medical-grade silicone material, which has good biocompatibility and is soft and elastic.

[0035] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, locking components 560 are fixedly connected to both sides of the slide frame 520, interlocking and in contact with the spherical adjustment sleeve 540. These components lock the spherical adjustment sleeve 540 after angle adjustment and anti-interference coupling interface establishment are completed, preventing damage to the acoustic transmission channel or vibration isolation interface due to angle deviation during use, and ensuring the long-term stability of the signal-to-interference ratio. The locking component 560 includes an internal threaded sleeve 561 fixedly connected to the side end of the slide frame 520, which provides an installation and adjustment channel for the threaded adjustment rod 562, ensuring that the locking action directly acts on the spherical adjustment sleeve 540. The inner side of the internal threaded sleeve 561 communicates with the adjustment hole 530. The inner side of the internal threaded sleeve 561 is threadedly connected to a threaded adjustment rod 562 that contacts the spherical adjustment sleeve 540, which is used to manually tighten and press the spherical adjustment sleeve 540 to achieve stable locking of the angle position. The threaded adjustment rod 562 is L-shaped with rounded corners. The L-shaped structure provides an extended lever arm for easy manual rotation operation, and the rounded corner design can prevent scratching the user during operation.

[0036] like Figures 1 to 7 As shown, a portable transcranial Doppler and blood pressure synchronous monitoring headstand is used in the following way: 1. Headrest Fixation: Place the two connecting seats 100 symmetrically on the corresponding positions on both sides of the patient's head. Adjust the arc-shaped threaded sleeve 220 and threaded handle 230 on the front fixation frame 200 in sequence so that the disc seat 240 is pressed against the patient's forehead. Adjust the arc-shaped threaded sleeve 220 and threaded handle 230 on the top fixation frame 300 so that the disc seat 240 is pressed against the top of the patient's head. Adjust the arc-shaped threaded sleeve 220 and threaded handle 230 on the rear fixation frame 400 so that the disc seat 240 is pressed against the back of the patient's head. Confirm that the headrest is stable as a whole and that the patient has no discomfort.

[0037] II. Fixing the Transcranial Doppler Probe: Take the synchronous detection frame 500, place the sliding frame 520 onto the recessed platform 512 outside the connecting seat 100, and screw the threaded adjustment handle 513 into the threaded seat 511; adjust one of the spherical adjustment sleeves 540 on the sliding frame 520 to the position of the transcranial Doppler detection window on one side of the patient's temporal region, and adjust the angle of the spherical adjustment sleeve 540 within the adjustment hole 530 so that the axis of the transcranial Doppler probe is aligned with the temporal window; tighten the threaded adjustment handle 513 to lock the sliding frame 520 at the required angle; place the flexible sheath 580 onto the surface of the transcranial Doppler probe, ensuring that the opening of the flexible sheath 580 is flush with the end of the transcranial Doppler probe, and increase the resistance... The ring 581 is reinforced, and a coupling agent is coated on the inner side of the flexible sheath 580. The flexible sheath 580, along with the transcranial Doppler probe, is inserted into the threaded clamp assembly 550 connected to the spherical adjusting sleeve 540, so that the flexible sheath 580 and the transcranial Doppler probe simultaneously adhere to the corresponding skin. The nut 553 is tightened to cause the tapered threaded sleeve 551 to contract and clamp the transcranial Doppler probe. At the same time, the nut 553 pushes the guide block 5100 toward the skin. The guide block 5100 causes the flexible sheath 580 and the transcranial Doppler probe to elastically adhere to the patient's skin surface. Finally, the locking assembly 560 at the corresponding position of the spherical adjusting sleeve 540 is tightened to fix the angle of the spherical adjusting sleeve 540.

[0038] 3. Fixing the pressure-adhesive blood pressure probe: Adjust the other spherical adjustment sleeve 540 on the sliding frame 520 to the area where the superficial temporal artery runs on the same side of the patient. Adjust the angle of the spherical adjustment sleeve 540 within the adjustment hole 530 to ensure that the pressure-adhesive blood pressure probe and the transcranial Doppler probe maintain an appropriate distance and do not make direct contact. Insert the pressure-adhesive blood pressure probe into the threaded clamp assembly 550 connected to the spherical adjustment sleeve 540. Adjust the probe pressure to meet the requirements of the blood pressure monitoring specifications. Tighten the nut 553 to cause the tapered threaded sleeve 551 to contract and clamp the pressure-adhesive blood pressure probe. Then tighten the locking assembly 560 at the corresponding position of the spherical adjustment sleeve 540 to fix the angle of the spherical adjustment sleeve 540.

[0039] IV. Equipment Start-up and Monitoring: Connect the transcranial Doppler and blood pressure monitoring equipment. After confirming that the signals from the two probes are stable, start the synchronous monitoring function.

[0040] Working principle: During transcranial Doppler and blood pressure synchronous monitoring, the two connecting seats 100 are symmetrically placed on both sides of the patient's head. The arc-shaped threaded sleeve 220 and threaded handle 230 on the front fixation frame 200 are adjusted to press the disc seat 240 against the forehead. The arc-shaped threaded sleeve 220 and threaded handle 230 on the top fixation frame 300 are adjusted to press the disc seat 240 against the top of the head. The arc-shaped threaded sleeve 220 and threaded handle 230 on the rear fixation frame 400 are adjusted to press the disc seat 240 against the top of the head. Press down on the back of the head; take the synchronous detection frame 500, place the sliding frame 520 on the recessed platform 512, and screw the threaded adjustment handle 513 into the threaded seat 511. Adjust the two spherical adjustment sleeves 540 in the adjustment holes 530 to the transcranial Doppler detection window and the superficial temporal artery area, respectively. After inserting the probe into the threaded clip assembly 550, tighten the nut 553 to make the conical threaded sleeve 551 contract and clamp. Tighten the locking assembly 560 at the corresponding position to fix the angle, connect the equipment and start monitoring. During the tightening of the nut 553, the nut 553 pushes the guide block 5100 to move axially along the deformation seam 552. The guide block 5100 drives the flexible wrapping sleeve 580 and its internal shielding cover 590 to elastically fit towards the skin. The sealing lip at the front end of the flexible wrapping sleeve 580 forms an interference fit with the skin. The acoustic coupling agent forms a continuous acoustic transmission channel inside the sealing lip, spatially isolating the ultrasound emission path of the transcranial Doppler probe from the vibration interference path of the blood pressure probe. During synchronous monitoring, the mechanical vibration wave generated by the blood pressure probe is first transmitted to the gradient impedance layer of the shield 590. Due to the sudden change in acoustic impedance, most of it is reflected. The residual vibration wave that penetrates enters the air gap isolation layer and is reflected a second time by the large acoustic impedance difference between the air and the solid medium. The remaining minute amount of vibration energy enters the closed vacuum cavity. The high vacuum state inside the cavity blocks the continuous propagation path of the vibration in the solid medium, ultimately attenuating the vibration energy and improving the signal-to-interference ratio between the transcranial Doppler signal and the blood pressure monitoring signal.

[0041] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-described embodiments are merely illustrative of several implementations of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the appended claims.

Claims

1. A portable transcranial Doppler and blood pressure synchronous monitoring head frame, characterized in that, include: There are two connectors (100), and the opposite ends of the two connectors (100) are bonded with sponge protective pads; The front fixing frame (200), the top fixing frame (300), and the rear fixing frame (400) are all rotatably connected to the two connecting seats (100) by pins. The front fixing frame (200), the top fixing frame (300), and the rear fixing frame (400) have the same structure. Two synchronous testing frames (500) are provided. Each synchronous testing frame (500) includes a threaded locking assembly (510). The threaded locking assembly (510) is fixedly connected to the outside of the connecting seat (100). A sliding frame (520) is slidably connected to the surface of the threaded locking assembly (510). Two adjusting holes (530) are provided at one end of the sliding frame (520) facing away from the connecting seat (100). A spherical adjusting sleeve (540) is slidably connected to the inside of the adjusting hole (530). A threaded clamp assembly (550) is fixedly connected to one end of the spherical adjusting sleeve (540) facing away from the connecting seat (100). The sliding frame (520) has two adjusting holes (530) at one end of the sliding frame (510) facing away from the connecting seat (100). 20) is fixedly connected to two sides of a locking assembly (560) that is interlocked and in contact with the spherical adjusting sleeve (540). One of the spherical adjusting sleeves (540) has a flexible sleeve (580) inserted inside. The inner side of the flexible sleeve (580) protrudes inward and forms a resistance ring (581). A cylindrical shield (590) is embedded inside the flexible sleeve (580). A guide block (5100) is fixedly connected to the surface of the flexible sleeve (580) and is disposed inside the deformation joint (552). One end of the guide block (5100) facing away from the resistance ring (581) is in contact with a nut (553).

2. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 1, characterized in that, The threaded locking assembly (510) includes a threaded seat (511), which is fixedly connected to the outside of the connecting seat (100). A recess (512) is provided at one end of the threaded seat (511) facing away from the connecting seat (100). The slide frame (520) is slidably connected to the inside of the recess (512). A threaded adjusting handle (513) that contacts the slide frame (520) is threadedly connected to the inside of the threaded seat (511).

3. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 1, characterized in that, The contact points of the adjustment hole (530) and the spherical adjustment sleeve (540) are both matched with spherical cuts, and the center points of the cross sections of the adjustment hole (530) and the spherical adjustment sleeve (540) coincide.

4. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 3, characterized in that, Both ends of the spherical adjusting sleeve (540) are fixedly connected with anti-detachment rings (570), and the diameter of the anti-detachment rings (570) is larger than the inner diameter of the opening of the adjusting hole (530).

5. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 1, characterized in that, The threaded sleeve assembly (550) includes a tapered threaded sleeve (551), which is fixedly connected to one end of the spherical adjusting sleeve (540) facing away from the connecting seat (100). A deformation slot (552) is provided on the surface of the tapered threaded sleeve (551), and a nut (553) is threadedly connected to the surface of the tapered threaded sleeve (551). The inner diameter of the nut (553) is the same as the diameter of the middle part of the tapered threaded sleeve (551).

6. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 5, characterized in that, A flexible protective pad (554) is embedded in the inner side of the tapered threaded sleeve (551), and the flexible protective pad (554) is a medical silicone material component.

7. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 1, characterized in that, The locking assembly (560) includes an internal threaded sleeve (561), which is fixedly connected to the side end of the slide frame (520). The inner side of the internal threaded sleeve (561) is connected to the adjustment hole (530). The inner side of the internal threaded sleeve (561) is threadedly connected to a threaded adjustment rod (562) that contacts the spherical adjustment sleeve (540). The threaded adjustment rod (562) is L-shaped with rounded corners.

8. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 1, characterized in that, The front fixing frame (200) includes an arc frame (210), the two ends of which are rotatably connected to the opposite ends of the two connecting seats (100) by pins, and an arc-shaped threaded sleeve (220) is slidably connected to the surface of the arc frame (210).

9. The portable transcranial Doppler and blood pressure synchronous monitoring head frame according to claim 8, characterized in that, The inner side of the arc-shaped threaded sleeve (220) is threadedly connected to a threaded handle (230), and the threaded handle (230) is rotatably connected to a disc seat (240) on the side facing the connecting seat (100).

10. A method of using a portable transcranial Doppler and blood pressure synchronous monitoring head frame, comprising the portable transcranial Doppler and blood pressure synchronous monitoring head frame as described in any one of claims 1-9, characterized in that, The specific usage method is as follows:

1. Head frame fixation: Place the two connecting seats (100) symmetrically on the corresponding positions on both sides of the patient's head. Adjust the arc-shaped threaded sleeve (220) and threaded handle (230) on the front fixation frame (200) in sequence so that the disc seat (240) is pressed against the patient's forehead. Adjust the arc-shaped threaded sleeve (220) and threaded handle (230) on the top fixation frame (300) so that the disc seat (240) is pressed against the top of the patient's head. Adjust the arc-shaped threaded sleeve (220) and threaded handle (230) on the rear fixation frame (400) so that the disc seat (240) is pressed against the back of the patient's head. Confirm that the head frame is stable as a whole and that the patient has no discomfort. II. Fixing the Transcranial Doppler Probe: Take the synchronous detection frame (500), place the sliding frame (520) on the recess (512) outside the connecting seat (100), and screw the threaded adjustment handle (513) into the threaded seat (511); adjust one of the spherical adjustment sleeves (540) on the sliding frame (520) to the position of the transcranial Doppler detection window on one side of the patient's temporal region, adjust the angle of the spherical adjustment sleeve (540) in the adjustment hole (530) so that the axis of the transcranial Doppler probe is aligned with the temporal window; tighten the threaded adjustment handle (513) to lock the sliding frame (520) at the required angle; place the flexible sheath (580) on the surface of the transcranial Doppler probe, ensuring that the opening of the flexible sheath (580) is flush with the end of the transcranial Doppler probe, and pass the resistance ring through the sheath. The loop (581) is reinforced, and a coupling agent is applied to the inside of the flexible sleeve (580). The flexible sleeve (580) along with the transcranial Doppler probe is inserted into the threaded clip assembly (550) connected to the spherical adjustment sleeve (540), so that the flexible sleeve (580) and the transcranial Doppler probe simultaneously adhere to the corresponding skin. The nut (553) is tightened to cause the tapered threaded sleeve (551) to contract and clamp the transcranial Doppler probe. At the same time, the nut (553) pushes the guide block (5100) toward the skin. The guide block (5100) causes the flexible sleeve (580) and the transcranial Doppler probe to elastically adhere to the patient's skin surface. Finally, the locking assembly (560) at the corresponding position of the spherical adjustment sleeve (540) is tightened to fix the angle of the spherical adjustment sleeve (540).

3. Fixing the pressure-adhesive blood pressure probe: Adjust the other spherical adjustment sleeve (540) on the sliding frame (520) to the area where the superficial artery runs on the same side of the patient's temporal region, adjust the angle of the spherical adjustment sleeve (540) in the adjustment hole (530) to ensure that the pressure-adhesive blood pressure probe and the transcranial Doppler probe maintain an appropriate distance and do not have direct contact; insert the pressure-adhesive blood pressure probe into the threaded clip assembly (550) connected to the spherical adjustment sleeve (540), adjust the probe pressure to meet the requirements of the blood pressure monitoring specifications, tighten the nut (553) to make the conical threaded sleeve (551) contract and clamp the pressure-adhesive blood pressure probe, and then tighten the locking assembly (560) at the corresponding position of the spherical adjustment sleeve (540) to fix the angle of the spherical adjustment sleeve (540). IV. Equipment Start-up and Monitoring: Connect the transcranial Doppler and blood pressure monitoring equipment. After confirming that the signals from the two probes are stable, start the synchronous monitoring function.

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