A vibratory vascular edema causation structure

Abstract

The utility model relates to medical instrument technical field, concretely is a kind of vibration vascular edema inducing cause excitation structure. Including the self-adapting wrist fixed unit of pre-bending type memory alloy framework, flexible adhesion air bag layer and magnetic attraction type adjusting belt structure, eccentric excitation unit of annular distribution and the deformation monitoring unit of by air pressure detection capsule and laser ranging array composition. Through air bag inflation and mechanical feedback mechanism realize with the high degree of agreement of wrist anatomical structure, ensure that vibration energy is efficiently transmitted;Through adjustable eccentric mechanism produces amplitude accurate controllable standardization vibration stimulation;Through mechanical isolation and damping design suppress interference, ensure output waveform stability. The structure can realize the quantitative control of vibration parameter and the effective anti-interference of excitation process, significantly improve the standardization degree and reliability of vibration vascular edema diagnosis.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely is a kind of vibration vascular edema inducing factor excitation structure. BACKGROUND

[0002] Vibration vascular edema is a kind of rare physical urticaria by mechanical vibration stimulation induction, with local subcutaneous tissue local edema as characteristic.Its clinical diagnosis gold standard relies on the quantitative vibration excitation test of patient forearm, and the edema reaction degree is evaluated by objective index, therefore, the standardization and quantization of excitation process are the core prerequisite to ensure the accuracy of diagnosis.

[0003] At present, there is lack of special vibration excitation equipment in clinical practice, and ordinary laboratory oscillator or even manual vibration method is often used instead, and these methods have significant limitations: the key parameters such as vibration frequency, amplitude and action time are uncontrollable and cannot be quantified, so that the excitation intensity cannot be standardized;At the same time, due to the poor fit of the exciter probe and the curved skin surface of the wrist, there is a significant gap, which causes a large amount of vibration energy to be dissipated in the transmission process, resulting in low transmission efficiency and uneven effect, which seriously affects the effectiveness and reliability of the stimulation;In addition, the excess vibration generated by the internal motor of the exciter during operation will be conducted through the mechanical structure, causing the whole machine to resonate, resulting in distortion of the vibration waveform applied to the skin, poor stability, and may interfere with subsequent evaluation.

[0004] The above technical defects directly cause the low efficiency of clinical diagnosis: the repeatability of excitation test is poor, and it is difficult to objectively compare different operations or different patients, which easily leads to misdiagnosis or missed diagnosis;In order to make a definite diagnosis, multiple excitation is often needed, which not only increases the pain of patients, but also wastes valuable medical resources.Therefore, it has become an urgent need of clinic to develop a special structure that can provide quantitative, efficient and stable vibration excitation. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model proposes a vibration vascular edema inducing factor excitation structure, by setting the integrated structure of self-adaptive wrist fitting unit composed of pre-bending memory alloy framework, honeycomb silica gel air bag layer, magnetic attraction type tension adjusting belt and curvature feedback ratchet, quantitative excitation unit composed of eccentric wheel motor group, slidable counterweight and phase difference coupling, and anti-interference stable unit composed of corrugated isolation membrane and ceramic bead vibration isolation layer, so as to solve the problems of uncontrollable vibration excitation parameters, low vibration energy transmission efficiency, uneven stimulation caused by insufficient fitting of exciter and wrist, and distorted output waveform caused by internal vibration interference.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model relates to a kind of vibration angioedema inducement structure, including pre-bending memory alloy framework, the inner side of the pre-bending memory alloy framework is fixedly provided with honeycomb silica gel air bag layer, both ends of the pre-bending memory alloy framework are respectively hinged with magnetic attraction type tension adjusting belt;The inner side of the honeycomb silica gel air bag layer is fixedly provided with substrate layer, the upper surface of the substrate layer is fixedly provided with vibration layer, and the vibration layer includes eccentric wheel motor group, and the eccentric wheel motor group is annularly distributed at the edge of the substrate layer;Annular air pressure bag is provided outside the vibration layer, and wave isolation membrane is provided between the annular air pressure bag and the vibration layer, the outer ring of the wave isolation membrane is connected with the inner wall of the annular air pressure bag, and the inner ring of the wave isolation membrane is connected with the support of the vibration layer;Mechanical pressure gauge is connected to the annular air pressure bag by lever mechanism;The edge of the substrate layer is provided with laser ranging array, and the side of the annular air pressure bag towards the laser ranging array is provided with reference light spot matrix.

[0008] Further, the eccentric wheel of the eccentric wheel motor group is provided with a slide rail, and a slidable counterweight is slidably arranged on the slide rail.

[0009] Further, it further includes pneumatic locking valve, and the pneumatic locking valve is connected to the air inlet of the annular air pressure bag;It further includes shroud linkage rod, one end of the shroud linkage rod is connected with the vibration layer, and the other end of the shroud linkage rod is connected with laser shroud, and the laser shroud is slidably arranged in the guide groove of the substrate layer.

[0010] Further, the gap between the vibration layer and the annular air pressure bag is filled with ceramic bead vibration-resistant layer.

[0011] Further, the opposite inner sides of the magnetic attraction type tension adjusting belt are each provided with a rare earth magnet array.

[0012] Further, the phase difference coupling is provided with an adjustable backlash structure.

[0013] Further, the side of the pre-bending memory alloy framework is provided with curvature feedback ratchet, and the curvature feedback ratchet is connected with the honeycomb silica gel air bag layer by push rod.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses an integrated diagnostic device with self-adaptive wrist fitting structure, quantitative vibration excitation structure and mechanical anti-interference structure, realizes the high degree of agreement with the wrist anatomical structure through the cooperation of pre-bending framework and flexible air bag, ensures that vibration energy is efficiently transferred to target tissue, provides amplitude accurate controllable standardization vibration stimulation through adjustable eccentric mechanism, effectively solves the clinical pain point of uncontrolled parameter and poor repeatability of traditional excitation method, through the unique mechanical isolation and damping design, the stray vibration interference is significantly inhibited, and the purity and stability of output waveform are ensured. The structure greatly improves the standardization degree and reliability of the vibration vascular edema excitation test, provides objective, quantitative evaluation basis for clinical diagnosis, simplifies the operation process at the same time, and reduces the work burden of medical staff. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is assembly overall structure diagram;

[0017] Figure 2 It is assembly overall plan view;

[0018] Figure 3 It is assembly overall side view;

[0019] Figure 4 It is cross section cut drawing;

[0020] Figure 5 It is curvature feedback ratchet display principle structure diagram;

[0021] Figure 6 It is vibration generation internal structure diagram.

[0022] BRIEF DESCRIPTION OF DRAWINGS:

[0023] 1, pre-bending memory alloy framework;2, honeycomb silica gel air bag layer;3, magnetic attraction type tension adjusting belt;4, curvature feedback ratchet;5, base layer;31, eccentric wheel motor group;32, slidable counterweight block;33, phase difference coupling;41, annular air pressure bag;42, corrugated isolation membrane;43, mechanical pressure gauge;51, laser ranging array;52, reference reflective point matrix;61, pneumatic locking valve;63, ceramic bead vibration resistance layer;7, vibration layer. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0025] In the description of the utility model, it is necessary to explain that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model; the terms "first", "second" and "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" and "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Referring to Figures 1-6 The utility model provides an embodiment: a kind of vibration vascular edema inducing structure, including pre-bending memory alloy framework 1, which is made of nickel-titanium alloy material with shape memory function, and is pre-bent into arc structure matched with the arc of human wrist.In the inner side surface of pre-bending memory alloy framework 1, honeycomb silica gel air bag layer 2 is fixedly arranged by medical glue, and honeycomb silica gel air bag layer 2 is composed of a plurality of interconnected hexagonal air bag units.Pre-bending memory alloy framework 1 is respectively connected with magnetic attraction type tension adjusting belt 3 by hinge in both ends, and the opposite inner side surface of two magnetic attraction type tension adjusting belts 3 is embedded with rare earth magnet array, which is uniformly distributed along the length direction of magnetic attraction type tension adjusting belt 3.Installation groove is set in the side surface of pre-bending memory alloy framework 1, and curvature feedback ratchet wheel 4 is installed in the groove by rotating shaft, the pawl of curvature feedback ratchet wheel 4 is connected with the outer wall of honeycomb silica gel air bag layer 2 by a push rod, and the push rod is hinged on the pawl at one end and is pasted on the outer wall of air bag layer at the other end.

[0027] An annular base layer 5 is arranged at the inner central position of the cellular silica gel airbag layer 2 by bolt fixing, and the base layer 5 is made of aluminum alloy material. The upper end face edge of the base layer 5 is fixed with four eccentric wheel motor groups 31 arranged in a ring shape by screws, the four eccentric wheel motor groups 31 are arranged at an angle of 90°, and together constitute a vibration layer 7. The outer side of the eccentric wheel of each eccentric wheel motor group 31 is processed with a precision sliding rail, and a slidable counterweight 32 is arranged on the sliding rail, and a locking bolt for fixing the position of the slidable counterweight 32 is arranged on the slidable counterweight 32. The adjacent eccentric wheel motor groups 31 are connected through a phase difference shaft coupling 33, the flanges at both ends of the phase difference shaft coupling 33 are respectively connected with the output shafts of the two motors through keys, and the phase difference shaft coupling 33 is provided with an adjustable backlash structure for adjusting the phase angle.

[0028] An annular air pressure bag 41 is arranged outside the vibration layer 7, the annular air pressure bag 41 is made of medical grade silica gel material, and the bottom thereof is fixed on the edge of the base layer 5 through a stainless steel pressing ring. A corrugated isolation membrane 42 is arranged between the annular air pressure bag 41 and the vibration layer 7, the corrugated isolation membrane 42 is made of high-elastic polyurethane material, the outer circle thereof is connected with the inner wall of the annular air pressure bag 41 through a heat sealing process, and the inner circle of the corrugated isolation membrane 42 is connected with the motor support of the vibration layer 7 through a metal connecting ring by bolt connection. The top of the annular air pressure bag 41 is connected with a gas guide pipe, the other end of the gas guide pipe is connected with a mechanical pressure gauge 43 through a lever mechanism, one end of the lever mechanism is connected with a piston at the top of the annular air pressure bag 41, and the other end is in gear meshing transmission with the pointer rotating shaft of the mechanical pressure gauge 43.

[0029] Eight evenly distributed mounting holes are processed on the edge of the base layer 5, and a ring-shaped laser ranging array 51 is fixedly arranged in the mounting hole, and the emitting end of the laser ranging array 51 faces the wrist direction. A reference reflective point matrix 52 is pasted on the side surface of the annular air pressure bag 41 facing the base layer 5, and the matrix is composed of a plurality of titanium alloy reflective sheets with high reflectivity, each reflective sheet accurately corresponds to the emitting end of a laser ranging array 51 and is located on the laser irradiation path thereof.

[0030] In the mechanical control part, the pneumatic locking valve 61 is connected to the air inlet of the annular air pressure bag 41 through a pipeline, and the valve core of the pneumatic locking valve 61 is connected with the motor support of the vibration layer 7 through a return spring. One end of the shroud linkage lever is connected with one motor output shaft of the vibration layer 7 through a cam mechanism, and the other end is hinged with a laser shroud, which is slidably arranged in the guide groove of the base layer 5 and is aligned with the laser ranging array 51. A ceramic bead vibration isolation layer 63 is filled in the gap between the vibration layer 7 and the annular air pressure bag 41, the ceramic bead vibration isolation layer 63 is composed of zirconia ceramic microbeads, and the outer side of the microbeads is wrapped with air-permeable non-woven fabric, and the edge of the non-woven fabric is fixed on the base layer 5 by glue.

[0031] In the implementation of the present embodiment:

[0032] First, the wearing operation, the patient's wrist into the pre-bending memory alloy skeleton 1 inside, so that its skin fits the honeycomb silicone air bag layer 2. Then the two magnetic tension adjusting belt 3 close to each other, through the magnetic attraction of the rare earth magnet array to achieve the initial fixation. Then start the integrated in the skeleton micro-pump, through the pipeline to the honeycomb silicone air bag layer 2 inflation, air bag layer expansion to fill the gap between the wrist and the skeleton. In the process, the push rod is pushed and the pawl of the curvature feedback ratchet 4 is rotated, when the air bag layer pressure reaches the preset value, the indication window of the curvature feedback ratchet 4 shows the in-place mark, indicating that the fit gap has reached the design requirement, stop inflation at this time, complete the adaptive wearing.

[0033] Into the excitation stage, according to the amplitude required for diagnosis, the position of the slidable counterweight 32 on the slide rail is adjusted to the target gear position, and the locking bolt is tightened to be fixed. At this time, the adjustable backlash structure of the phase difference coupling 33 is automatically adjusted to the preset phase angle to avoid resonance of the plurality of eccentric wheel motor groups 31. Start the eccentric wheel motor group 31, the motor drives the eccentric wheel to rotate, and through the eccentric effect of the slidable counterweight 32, a quantitative and controllable excitation force is applied to the wrist. During the excitation process, the zirconia microbeads of the ceramic bead vibration isolation layer 63 can absorb part of the high-frequency vibration energy, and the corrugated isolation membrane 42 can effectively transmit the main vibration direction energy and isolate the interference, together ensuring the purity and stability of the vibration output.

[0034] After the excitation is completed, the pneumatic locking valve 61 is closed under the action of the return spring, the air inlet of the annular air pressure bag 41 is closed, and the internal air pressure is kept stable. At the same time, the motor output shaft of the vibration layer stops rotating, the shroud linkage rod is pushed by the cam mechanism to make the laser shroud slide along the guide groove of the base layer 5, and the laser ranging array 51 is exposed for subsequent measurement.

[0035] During the whole process, the structure realizes quantitative control of vibration excitation, efficient energy transmission and anti-interference function through the precise cooperation of the above-mentioned components, and provides a reliable and standard excitation tool for the diagnosis of vibratory angioedema.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A vibration-induced vascular edema triggering structure, characterized in that: The device includes a pre-bent shape memory alloy skeleton, with a honeycomb silicone airbag layer fixedly disposed on the inner side of the pre-bent shape memory alloy skeleton, and magnetic tension adjustment belts hinged to both ends of the pre-bent shape memory alloy skeleton; a base layer is fixedly disposed on the inner side of the honeycomb silicone airbag layer, and a vibration layer is fixedly disposed on the upper surface of the base layer; the vibration layer includes an eccentric wheel motor assembly, which is distributed in a ring around the edge of the base layer; an annular air pressure bladder is disposed around the outer side of the vibration layer, and a corrugated isolation membrane is disposed between the annular air pressure bladder and the vibration layer; the outer ring of the corrugated isolation membrane is connected to the inner wall of the annular air pressure bladder, and the inner ring of the corrugated isolation membrane is connected to the support of the vibration layer; a mechanical pressure gauge is connected to the annular air pressure bladder through a lever mechanism; a laser ranging array is disposed on the edge of the base layer, and a reference reflective dot matrix is ​​disposed on the side of the annular air pressure bladder facing the laser ranging array.

2. The vibration-induced vascular edema triggering structure according to claim 1, characterized in that: The eccentric wheel motor assembly is equipped with a slide rail, and a slidable counterweight is slidably mounted on the slide rail. Adjacent eccentric wheel motor assemblies are connected by a phase difference coupling.

3. The vibration-induced vascular edema triggering structure according to claim 1, characterized in that: It also includes a pneumatic locking valve connected to the air inlet of the annular air pressure bladder; it also includes a protective cover linkage rod, one end of which is connected to the vibration layer, and the other end of which is connected to a laser protective cover, which is slidably disposed in the guide groove of the base layer.

4. The vibration-induced vascular edema triggering structure according to claim 1, characterized in that: The gap between the vibration layer and the annular air pressure bladder is filled with a ceramic bead anti-vibration layer.

5. The vibration-induced vascular edema triggering structure according to claim 1, characterized in that: Rare earth magnet arrays are provided on the opposite inner surfaces of the magnetic tension adjustment belt.

6. The vibration-induced vascular edema triggering structure according to claim 2, characterized in that: The phase difference coupling is equipped with an adjustable backlash structure.

7. The vibration-induced vascular edema triggering structure according to claim 1, characterized in that: The side of the pre-bent memory alloy skeleton is provided with a curvature feedback ratchet, which is connected to the honeycomb silicone airbag layer through a push rod.

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