Muscle relaxation monitoring device

Abstract

The invention discloses a muscle relaxation monitoring device which comprises a monitoring mechanism, a palm fixing mechanism and an arm fixing mechanism. The monitoring mechanism comprises an accelerator sensing sheet and a controller module, and the accelerator sensing sheet is connected with the controller module; the palm fixing mechanism comprises a palm sleeve, and the accelerator sensing sheet is arranged on the palm sleeve; the arm fixing mechanism comprises a fixing box and clamping blocks, openings communicating with the interior are formed in the two opposite sides of the fixing box, the palm sleeve is arranged at one opening of the outer wall of the fixing box, and the two clamping blocks are arranged in the fixing box and can move relatively. When the muscle relaxation monitoring device is used, the palm sleeve is arranged on the fixing box, the positions of the arm and the palm can be limited, and the arm is fixed, so that the stability of the arm and the palm during electrical stimulation is improved, and the muscle relaxation monitoring effect is ensured.

Description

Technical Field

[0001] The present invention relates to a muscle relaxation monitoring device. Background Art

[0002] In modern medicine, muscle relaxants have been widely used in clinical anesthesia and respiratory support and respiratory therapy for critically ill patients. However, the sensitivity and reactivity of muscle relaxants vary greatly among individuals, and the muscle relaxant effect is affected by many factors such as the patient's age, body temperature, and drugs. Therefore, it is necessary to monitor the degree of muscle relaxant blockade and recovery status through appropriate methods to reduce the incidence of various serious complications caused by residual muscle relaxant after surgery and improve safety.

[0003] The commonly used method for monitoring muscle relaxation in clinical practice is accelerography. Based on measuring the tiny movements or vibrations generated by muscle contraction, the accelerometer is attached to the muscle or related parts, which can detect the acceleration changes of these movements and convert them into digital signals. By analyzing the acceleration signal, the contraction strength and frequency of the muscle can be evaluated, and then the state of muscle relaxation can be determined.

[0004] At present, the acceleration sensor is usually fixed on the surface of the thumb during the test, and electrical stimulation is applied to the muscle nerves to induce muscle contraction. However, in order to ensure the accuracy of the test, the patient's thumb and palm are usually fixed to prevent shaking during electrical stimulation from affecting the test. However, the effect of only fixing the thumb and palm is poor. When electrical stimulation is performed, the arm may also shake, thus affecting the effect of muscle relaxation monitoring. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a muscle relaxation monitoring device, which can keep the palm and arm stable during muscle relaxation monitoring.

[0006] In order to achieve the above-mentioned object, the present invention is implemented by the following technical solutions: a muscle relaxation monitoring device, including a monitoring mechanism, a palm fixing mechanism and an arm fixing mechanism;

[0007] The monitoring mechanism includes an accelerator sensor sheet and a controller module, and the accelerator sensor sheet is connected to the controller module;

[0008] The palm fixing mechanism comprises a palm cover, and the accelerator sensor sheet is arranged on the palm cover;

[0009] The arm fixing mechanism includes a fixing box and a clamping block. The fixing box has openings connected to the interior on opposite sides. The palm cover is arranged at one of the openings on the outer wall of the fixing box. The two clamping blocks are arranged in the fixing box and can move relatively.

[0010] The patient's arms are passed through the two openings of the fixed box in turn, and the palms are passed through the palm sleeves. The clamping blocks are driven to move toward each other to clamp the arms to achieve a fixed effect, and then muscle relaxation monitoring can begin. The accelerometer sensor is attached to the patient's thumb, and electrical stimulation is applied to the muscle nerves to induce muscle contraction, and the acceleration signal is transmitted to the controller module to evaluate the strength and frequency of muscle contraction.

[0011] The beneficial effect of the above-mentioned muscle relaxation monitoring device is that the palm cuff is set on the fixed box, which can limit the position of the arm and palm and fix the arm, thereby improving the stability of the arm and palm during electrical stimulation to ensure the effect of muscle relaxation monitoring.

[0012] Furthermore, the material of the palm cover is elastic.

[0013] The palm cover is elastic and can limit and fix the palm to prevent the thumb from shaking unconsciously.

[0014] Furthermore, the palm fixing mechanism also includes a tray, which is arranged on the outer wall of the fixing box and is located below the palm cover and can be lifted and lowered relative to the fixing box.

[0015] The tray can be used to support the palm and the palm cover to ensure the stability of the palm and prevent the palm from swaying when suspended in the air.

[0016] Furthermore, the palm fixing mechanism also includes a base, a push-pull strip and a pressure rod. The base is fixedly arranged on the outer wall of the fixing box and has a cavity inside. One end of the push-pull strip is inserted in the cavity and a plurality of convex teeth are arranged along the axial direction. The height of the convex teeth gradually increases along the arrangement direction. The pressure rod is arranged at the bottom of the tray and one end is inserted in the cavity. The bottom of the pressure rod is provided with a groove that can cooperate with the convex teeth.

[0017] The height of the tray can be fine-tuned according to the size and thickness of the user's palm. By pulling the push-pull bar, the convex teeth of different heights are aligned with the grooves at the bottom of the pressure rod. Place the palm on the tray, and the palm presses the tray down under the action of gravity. The pressure rod presses on the push-pull bar to make the grooves match the convex teeth, thereby completing the placement of the palm.

[0018] Furthermore, the arm fixing mechanism also includes a push rod, a sleeve, a connecting rod and a pull rod, the two clamping blocks are connected to the sides away from each other with a push rod, the inner walls of both sides of the fixing box are fixed with sleeves, and the push rod is slidably inserted in the sleeves;

[0019] One end of the push rod close to the clamping block is rotatably connected to a connecting rod, and the other ends of the two connecting rods are rotatably connected to a pull rod. The pull rod is located above between the two clamping blocks and can move vertically.

[0020] After the patient's arm passes through the fixing box, the pull rod can be pulled to move upward. Driven by the connecting rod and limited by the sleeve, the two push rods can be driven to slide in the sleeve and move toward each other, thereby driving the clamping block to approach the patient's arm and clamp the arm.

[0021] Furthermore, the sides of the clamping blocks that are close to each other are both arc-shaped and are provided with air bags. The outer wall of the fixing box is also provided with an air pump, and the air bags are connected to the air pump.

[0022] After the clamping block clamps the arm, the air pump can be turned on to inflate the airbag, thereby further improving the fixation effect on the arm.

[0023] Furthermore, the push rod is connected to the bottom of the sleeve through a spring.

[0024] After the pull rod is released, the spring can drive the push rod to reset, so that the two clamping blocks move away from each other and the patient's arm is released.

[0025] Furthermore, a threaded through hole is provided on the top of the fixing box, and the pull rod is provided with two sections, which are rotatably connected, and one section is connected to the connecting rod, and the outer wall of the other section is provided with an external thread matching the threaded through hole.

[0026] The pull rod is rotated upward, and the cooperation between the external thread and the threaded through hole can drive the pull rod to move upward as a whole, and the two sections rotate relatively, thereby driving the push rod to approach each other through the connecting rod.

[0027] Furthermore, a vacuum suction cup is provided at the bottom of the fixing box.

[0028] The suction cup can be used to place the fixed box where it is used to prevent the box from shaking and affecting the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation of the present invention, the following will briefly introduce the drawings required for use in the specific implementation. In all the drawings, each element or part is not necessarily drawn according to the actual scale.

[0030] Figure 1 A top view of a muscle relaxation monitoring device provided by one embodiment of the present invention;

[0031] Figure 2 for Figure 1 A side view of a muscle relaxation monitoring device is shown;

[0032] Figure 3 for Figure 1 A front view of a muscle relaxation monitoring device shown;

[0033] Reference numerals:

[0034] 10- monitoring mechanism, 11- accelerator sensor sheet;

[0035] 20-palm fixing mechanism, 21-palm cover, 22-tray, 23-base, 24-push-pull bar, 25-pressure rod;

[0036] 30-arm fixing mechanism, 31-fixing box, 311-opening, 312-vacuum suction cup, 32-clamping block, 321-air bag, 33-push rod, 34-sleeve, 341-spring, 35-connecting rod, 36-pull rod, 37-air pump. DETAILED DESCRIPTION

[0037] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention.

[0038] See also Figures 1 to 3 The present invention provides a muscle relaxation monitoring device, including a monitoring mechanism 10, a palm fixing mechanism 20 and an arm fixing mechanism 30. After the palm and the arm are limited and fixed by the palm fixing mechanism 20 and the arm fixing mechanism 30, the patient's muscle relaxation can be monitored through the monitoring mechanism 10.

[0039] Specifically, the monitoring mechanism 10 includes an accelerometer sensor sheet 11 and a controller module, and the accelerometer sensor sheet 11 is connected to the controller module. The palm fixing mechanism 20 includes a palm sleeve 21, and the accelerometer sensor sheet 11 is arranged on the palm sleeve 21, and is connected to the palm sleeve 21 through a traction line to facilitate use and avoid loss. The arm fixing mechanism 30 includes a fixing box 31 and a clamping block 32, and the fixing box 31 has openings 311 connected to the interior on both opposite sides. The palm sleeve 21 is arranged at one of the openings 311 on the outer wall of the fixing box 31, and the two clamping blocks 32 are movably arranged in the fixing box 31 and can move relative to each other.

[0040] The patient's arm is extended into the fixed box 31 from the opening 311, and the palm is passed through the palm cover 21 on the other side. The two clamping blocks 32 are driven to move toward each other, and the arm is clamped to achieve a fixing effect, and muscle relaxation monitoring can be started. The accelerator sensor sheet 11 is attached to the patient's thumb, and electrical stimulation is applied to the muscle nerve to induce muscle contraction, and the acceleration signal is transmitted to the controller module to evaluate the strength and frequency of muscle contraction. Since the arm and the palm are limited and fixed, the stability of the arm and the palm during electrical stimulation is improved, thereby improving the monitoring effect.

[0041] In this embodiment, the material of the palm cover is elastic, which can limit and fix the palm to prevent the thumb from shaking unconsciously.

[0042] Specifically, the palm fixing mechanism 20 also includes a tray 22, a base 23, a push-pull bar 24 and a pressure rod 25. The tray 22 is arranged on the outer wall of the fixed box 31 and is located below the palm sleeve 21. The base 23 is fixedly arranged on the outer wall of the fixed box 31 and has a cavity inside. One end of the push-pull bar 24 is inserted in the cavity and is provided with a plurality of convex teeth arranged along the axial direction, and the arrangement of the convex teeth is distributed in a stepped shape along the arrangement direction. The pressure rod 25 is arranged at the bottom of the tray 22 and one end is inserted in the cavity. The bottom of the pressure rod 25 is provided with a groove that can cooperate with the convex teeth.

[0043] The tray 22 can be used to carry the palm and the palm cover 21 to ensure the stability of the palm and prevent the palm from swaying in the air. The height of the tray 22 can be fine-tuned according to the size and thickness of the user's palm. First, pull the push-pull bar 24 to align the convex teeth of different heights with the grooves at the bottom of the pressure rod 25. Then, place the palm on the tray 22, and the palm presses the tray 22 downward under the action of gravity. The pressure rod 25 presses on the push-pull bar 24 and the groove cooperates with the convex teeth, so that the palm is placed. Under the weight of the palm, the pressure rod 25 can be kept pressed on the push-pull bar 24 without changing the height.

[0044] Specifically, the arm fixing mechanism 30 further includes a push rod 33, a sleeve 34, a connecting rod 35 and a pull rod 36. The two clamping blocks 32 are connected to the push rod 33 on the side away from each other. The inner walls of the two sides of the fixing box 31 are fixed with sleeves 34, and the push rod 33 is slidably inserted in the sleeves 34. The ends of the push rods 33 close to the clamping blocks 32 are rotatably connected to the connecting rod 35, and the other ends of the two connecting rods 35 are rotatably connected to the pull rod 36. The pull rod 36 is located above the two clamping blocks 32 and can move vertically.

[0045] After the patient's arm is placed in the fixing box 31, the pull rod 36 can be pulled upward. Driven by the connecting rod 35 and limited by the sleeve 34, the two push rods 33 can be driven to slide in the sleeve 34 and move toward each other, thereby driving the clamping block 32 to approach the patient's arm and clamp the arm.

[0046] In this embodiment, the sides of the clamping blocks 32 that are close to each other are all in an arc shape, and an air bag 321 is provided on the inner side. An air pump 37 is also provided on the outer wall of the fixing box 31, and the air bag 321 is connected to the air pump 37 (for the convenience of illustration, the air pipe connecting the air bag and the air pump is not drawn in the figure, which is an existing conventional technology). After the clamping blocks 32 clamp the arm, the air pump 37 can be turned on to inflate the air bag 321, thereby further improving the fixing effect of the arm.

[0047] In addition, the push rod 33 is connected to the bottom of the sleeve 34 through the spring 341. A threaded through hole is provided on the top of the fixed box 31, and the pull rod 36 is a two-section structure, the two sections are rotatably connected, and one section is connected to the connecting rod 35, and the outer wall of the other section is provided with an external thread that matches the threaded through hole.

[0048] The upper section of the pull rod 36 is rotated relative to the lower section, and the pull rod 36 can be driven to move upward as a whole under the cooperation of the external thread and the threaded through hole, so that the push rod 33 is driven to approach each other through the connecting rod 35. After use, the pull rod 36 is rotated in the opposite direction, and the push rod 33 is reset under the action of the spring 341, so that the two clamping blocks 32 are separated from each other, and the patient's arm can be released.

[0049] A vacuum suction cup 312 is also provided at the bottom of the fixed box 31, and the fixed box 31 can be adsorbed and placed at the place of use by the suction cup to prevent the box from shaking and affecting the overall stability.

[0050] The working principle of the above-mentioned muscle relaxation monitoring device is: extend the patient's arm from the opening 311 into the fixed box 31, and pass the palm through the palm cover 21 on the other side. First, hold the tray 22, pull the push-pull bar 24, adjust the tray 22 to a suitable height, and then place the palm on the tray 22. Turn the upper section of the pull rod 36 to make it rise axially, drive the push rod 33 and the two clamping blocks 32 to move toward each other through the connecting rod 35, so as to clamp and fix the arm, and finally turn on the air pump 37 to inflate the airbag 321 to improve the clamping and fixing effect, and then start muscle relaxation monitoring. The accelerator sensor sheet 11 is attached to the patient's thumb, and electrical stimulation is applied to the muscle nerves to induce muscle contraction, and the acceleration signal is transmitted to the controller module to evaluate the strength and frequency of muscle contraction.

[0051] By using the above-mentioned muscle relaxation monitoring device, the position of the arm and palm can be limited and fixed to a certain extent, thereby improving the stability of the arm and palm during electrical stimulation to ensure the accuracy of muscle relaxation monitoring.

[0052] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and should all be included in the scope of the claims and specification of the present invention.

Claims

1. A muscle relaxation monitoring device, characterized in that: It includes a monitoring mechanism, a palm fixing mechanism and an arm fixing mechanism; The monitoring mechanism includes an accelerator sensor sheet and a controller module, and the accelerator sensor sheet is connected to the controller module; The palm fixing mechanism comprises a palm cover, and the accelerator sensor sheet is arranged on the palm cover; The arm fixing mechanism includes a fixing box and a clamping block. The fixing box has openings connected to the interior on opposite sides. The palm cover is arranged at one of the openings on the outer wall of the fixing box. The two clamping blocks are arranged in the fixing box and can move relatively.

2. A muscle relaxation monitoring device according to claim 1, characterized in that: The material of the palm cover is elastic.

3. A muscle relaxation monitoring device according to claim 1, characterized in that: The palm fixing mechanism also includes a tray, which is arranged on the outer wall of the fixing box and is located below the palm sleeve and can be lifted and lowered relative to the fixing box.

4. A muscle relaxation monitoring device according to claim 3, characterized in that: The palm fixing mechanism also includes a base, a push-pull strip and a pressure rod. The base is fixedly arranged on the outer wall of the fixing box and has a cavity inside. One end of the push-pull strip is inserted in the cavity and a plurality of convex teeth are arranged axially. The height of the convex teeth gradually increases along the arrangement direction. The pressure rod is arranged at the bottom of the tray and one end is inserted in the cavity. The bottom of the pressure rod is provided with a groove that can cooperate with the convex teeth.

5. A muscle relaxation monitoring device according to claim 1, characterized in that: The arm fixing mechanism also includes a push rod, a sleeve, a connecting rod and a pull rod. The two clamping blocks are connected to a push rod on one side away from each other. The inner walls of both sides of the fixing box are fixed with sleeves, and the push rod is slidably inserted in the sleeves. One end of the push rod close to the clamping block is rotatably connected to a connecting rod, and the other ends of the two connecting rods are rotatably connected to a pull rod. The pull rod is located above between the two clamping blocks and can move vertically.

6. A muscle relaxation monitoring device according to claim 5, characterized in that: The sides of the clamping blocks that are close to each other are both in an arc shape and are provided with air bags. The outer wall of the fixing box is also provided with an air pump, and the air bags are connected to the air pump.

7. A muscle relaxation monitoring device according to claim 5, characterized in that: The push rod is connected with the bottom of the sleeve through a spring.

8. A muscle relaxation monitoring device according to claim 5, characterized in that: A threaded through hole is provided on the top of the fixing box, and the pull rod is provided with two sections, which are rotatably connected, and one section is connected to the connecting rod, and the outer wall of the other section is provided with an external thread matching the threaded through hole.

9. A muscle relaxation monitoring device according to claim 1, characterized in that: A vacuum suction cup is provided at the bottom of the fixing box.

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