Cardiopulmonary exercise test sensor fixing device

Abstract

The utility model discloses a heart-lung exercise test sensor fixing device which comprises a mask, a first bandage, a second bandage and a third bandage, one end of the first bandage and one end of the second bandage are connected to the left side and the right side of the mask respectively, one end of the third bandage is connected to the top end of the mask, and the other end of the third bandage is connected to the right side of the mask. The other end of the first bandage is detachably connected with the other end of the second bandage, and the other end of the third bandage is detachably connected with the other end of the first bandage or the other end of the second bandage; an air bag used for filling a gap between the mask and the face of a patient is arranged in the mask, and the air bag is detachably arranged in an inner cavity of the mask. The air bag is arranged in the mask, so that the sealing degree of the mask and the face of a user is high, errors of cardiopulmonary exercise test results are avoided, meanwhile, the mask is designed to be in a detachable connection mode, the air bag can be conveniently detached and cleaned, and the situation that the face skin of a subject is affected by breeding bacteria is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a heart and lung exercise test sensor fixing device. BACKGROUND

[0002] The heart and lung exercise test utilizes the human body external respiration and internal respiration coupling principle, through the movement excitation subject increases oxygen inhalation and carbon dioxide discharge, simultaneously applies the fast response sensor containing O2 and CO2 to detect the O2 consumption and CO2 exhalation of each breath under the resting, movement and recovery state, etc. gas metabolism test technology, accurately determine the gas metabolism abnormality of external respiration and internal respiration under the movement state. The reaction sensor is fixedly connected with the mask during testing, then the user wears the mask on the face to fix the reaction sensor, through the treadle movement excitation subject increases oxygen inhalation and carbon dioxide discharge, test whether the gas metabolism of external respiration and internal respiration is abnormal;The existing technology has the following disadvantages: during the testing process, because the human nose bridge is different, the mask is difficult to completely fit the human face, or the shaking brought by the treadle movement, all can cause the mask air leakage, leading to inaccurate test results.

[0003] Through the search, the patent with Chinese publication number "CN221813943U" discloses a heart and lung exercise treadle experiment mask, which is embedded with an air bag in the inner cavity of the mask. The air bag is attached to the human face to avoid air leakage during the testing process. However, a large amount of sweat accumulates in the mask, especially in the parts in contact with the face and the air bag, during the testing process. Long-term accumulation of sweat in these parts can easily breed bacteria, which not only is unhygienic but also can cause adverse effects on the subject's facial skin, such as skin allergies and infections. Therefore, it is particularly important to design the air bag and the mask as a detachable structure to facilitate the cleaning and replacement of the air bag. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a heart and lung exercise test sensor fixing device that facilitates the disassembly of the air bag in the mask.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of providing a heart and lung exercise test sensor fixing device, which includes a mask, first straps, second straps, and third straps. One end of each of the first straps and the second straps is connected to the left and right sides of the mask, respectively. One end of the third strap is connected to the top end of the mask. The other end of the first strap is detachably connected to the other end of the second strap. The other end of the third strap is detachably connected to the other end of the first strap or the second strap. An air bag for filling the gap between the mask and the patient's face is arranged in the mask. The air bag is detachably arranged in the inner cavity of the mask.

[0006] Further, the air bag is provided with a plurality of connecting rods near one side of the mask, the mask is provided with a plurality of through holes corresponding to the positions of the connecting rods, the connecting rods all extend through the through holes and protrude out of the outer surface of the mask, and one end of the connecting rods protruding out of the through holes is detachably connected with a sleeve for limiting the movement of the connecting rods.

[0007] Further, the inner surface of the sleeve is provided with internal threads, and the outer surface of the connecting rods is provided with external threads matched with the internal threads, and the sleeve and the connecting rods are threadedly connected through the internal threads and the external threads.

[0008] Further, the connecting rods are three, and the three connecting rods are distributed in an isosceles triangle shape, two of the connecting rods extend and protrude out of two sides of the outer surface of the mask, and the other connecting rod extends and protrudes out of the top end of the outer surface of the mask.

[0009] Further, the connecting rods and the air bag are an integral structure.

[0010] Further, the air bag is connected with a gas pressure adjusting device for adjusting the gas pressure of the air bag.

[0011] Further, the gas pressure adjusting device comprises a catheter and a balloon, one end of the catheter is fixedly connected with the balloon, and the other end of the catheter is communicated with the air bag through one of the connecting rods.

[0012] Further, one of the connecting rods is provided with a through groove communicated with the air bag, and the end of the catheter away from the balloon is communicated with the through groove.

[0013] Further, the end of the catheter near the through groove is provided with an annular limiting portion with an outer diameter larger than that of the catheter, and the end of the sleeve away from the connecting rod corresponding to the through groove is provided with an annular protrusion matched with the annular limiting portion, when the catheter is connected with the through groove, the annular protrusion abuts against the side of the annular limiting portion away from the through groove to limit the loosening of the catheter.

[0014] Further, the connecting portion of the catheter and the through groove is provided with a sealing ring.

[0015] The utility model relates a heart and lung motion test sensor fixing device, which is used for fixing the reaction sensor on the mask, and the user covers the mask on the face during the test, and the mask is fixed through the first binding belt, the second binding belt and the third binding belt, the mask is more closely attached to the face through filling the air bag in the mask, and the test result is prevented from having errors; the connecting rod arranged on the air bag is fixed through the sleeve thread locking after being inserted through the through hole of the mask, the air bag can be taken off after the sleeve is screwed to be separated from the connecting rod when being disassembled, the air bag is conveniently disassembled and cleaned through the structure, bacteria breeding in the air bag is prevented from causing harm to the face of the user for a long time; the through slot is arranged in one of the connecting rods of the air bag, and the air pressure adjusting device is communicated with the through slot, so that the user can adjust the air pressure of the air bag after wearing the mask, and the air bag is suitable for different patients. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of an embodiment of the utility model.

[0017] Figure 2 It is the structure schematic diagram of the embodiment of the utility model not connecting the screw cap.

[0018] Figure 3 It is the internal structure schematic diagram of an embodiment of the utility model.

[0019] Figure 4 It is the structure schematic diagram of the air bag in the embodiment of the utility model.

[0020] Figure 5 It is the structure schematic diagram of the air pressure adjusting device in the embodiment of the utility model.

[0021] Figure 6 It is the structure schematic diagram of the screw cap in the embodiment of the utility model.

[0022] The meaning of each sign in the drawing is as follows: mask 1, through hole 11, first binding belt 2, first magic tape thorn face 21, first magic tape hair face 22, second binding belt 3, second magic tape thorn face 31, third binding belt 4, third magic tape thorn face 41, air bag 5, connecting rod 51, external thread 511, through slot 512, sleeve 6, internal thread 61, annular protrusion 62, air pressure adjusting device 7, catheter 71, annular limiting part 711, balloon 72. PREFERRED EMBODIMENT

[0023] The following is further explained in detail through specific embodiments:

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a kind of cardiopulmonary exercise test sensor fixing device, including face guard 1, first bandage 2, second bandage 3 and third bandage 4.First bandage 2 and the one end of second bandage 3 are connected to the left side and right side of face guard 1 respectively, and the one end of third bandage 4 is connected to the top end of face guard 1, and the other end of first bandage 2 and the other end of second bandage 3 are detachably connected, and the other end of third bandage 4 and the other end of first bandage 2 or second bandage 3 are detachably connected.Face guard 1 is provided with air bag 5 for filling the gap between face guard 1 and patient's face, and air bag 5 is detachably arranged in the inner cavity of face guard 1.The utility model fills air bag 5 in face guard 1, so that the user can wear face guard 1 more closely with face, to prevent face guard 1 from leaking and causing errors in test results.At the same time, air bag 5 is designed as a detachable connection structure with face guard 1 to facilitate the removal and cleaning of air bag, preventing bacteria from growing in air bag 5 for a long time and causing harm to the user's face.

[0025] In cardiopulmonary exercise test, first, the reaction sensor is fixed on face guard 1, and before the user wears face guard 1, air bag 5 is installed in the inner cavity of face guard 1, specifically, a plurality of connecting rods 51 are arranged on the side of air bag 5 close to face guard 1, and a plurality of through holes 11 are arranged on face guard 1 corresponding to the plurality of connecting rods 51, the plurality of connecting rods 51 extend through the plurality of through holes 11 and protrude from the outer surface of face guard 1, and one end of the plurality of connecting rods 51 protruding from the plurality of through holes 11 is detachably connected with a sleeve 6 for limiting the movement of the plurality of connecting rods 51.As air bag 5 is in deflated state when face guard 1 is not worn, the connecting rods 51 can be aligned with the through holes 11 and then penetrate the through holes 11.After the connecting rods 51 penetrate the through holes 11, the sleeve 6 is sleeved on the connecting rods 51, and as the sleeve 6 cannot pass through the through holes 11, the connecting rods 51 cannot be withdrawn from the through holes, so that the connecting rods 51 can be fixed, and the position of air bag 5 is fixed.In order to connect the sleeve 6 and the connecting rods 51, in this embodiment, an inner thread 61 is arranged on the inner surface of the sleeve 6, and an outer thread 511 adapted to the inner thread 61 is arranged on the outer surface of the plurality of connecting rods 51, and the sleeve 6 and the plurality of connecting rods 51 are connected by the inner thread 61 and the outer thread 511.When the connecting rods 51 penetrate the through holes 11 and extend out of the outer surface of face guard 1, the sleeve 6 is threadedly connected with the end of the connecting rods 51 away from air bag 5, until the end face of the sleeve 6 close to the connecting rods 51 abuts against the outer surface of face guard 1.

[0026] In order to better connection, prevent the connecting rod 51 and air bag 5 loose, a number of connecting rod 51 and air bag 5 are designed as an integral structure. At the same time in order to let air bag 5 is more balanced fixed force, the specific scheme given in this embodiment is to set the connecting rod 51 with three, three connecting rod 51 isosceles triangle distribution, two connecting rod 51 extend protruding on both sides of the outer surface of the mask 1, the other connecting rod 51 extend protruding on the top of the outer surface of the mask 1. Because of the isosceles triangle structure features in its stability and carrying capacity, in geometry, the triangle is a very stable structure form, when three connecting rod 51 in the form of isosceles triangle distribution, they together form a stable support structure, so that the air bag 5 is more balanced force, position better to keep fixed.

[0027] After the air bag 5 is installed, the user will wear the mask 1 on the face, at this time through the first strap 2, the second strap 3 and the third strap 4 to fix the mask 1. Specifically, the inner surface and the outer surface of the first strap 2 away from the mask 1 are respectively provided with the first magic tape prickle surface 21 and the first magic tape surface 22, the inner surface and the outer surface of the second strap 3 away from the mask 1 are respectively provided with the second magic tape prickle surface 31 and the second magic tape surface (not shown in the figure), when wearing the mask 1, only need to connect the first magic tape prickle surface 21 with the second magic tape surface or connect the first magic tape surface 22 with the second magic tape prickle surface 31, the first strap 2 and the second strap 3 can be connected. Because the first strap 2 and the second strap 3 are connected to the two sides of the mask 1 respectively, the first strap 2 and the second strap 3 can only be fixed horizontally. In order to better fixing effect, at this time through the third strap 4 and the first strap 2 or the second strap 3 can be connected, because one end of the third strap 4 is connected to the top of the mask 1, through the third strap 4, the mask 1 can be fixed vertically. Specifically, the inner surface of the third strap 4 away from the mask 1 is provided with the third magic tape prickle surface 41, when the first magic tape prickle surface 21 is connected with the second magic tape surface, at this time the third magic tape prickle surface 41 is connected with the first magic tape surface 22, when the second magic tape prickle surface 31 is connected with the first magic tape surface 22, at this time the third magic tape prickle surface 41 is connected with the second magic tape surface.

[0028] Please continue to see Figure 5 and Figure 6When the mask 1 is worn, the air bag 5 is attached to the face of the user, if the face of the user and the air bag 5 are completely sealed, the air pressure in the air bag 5 needs to be adjusted to make the air bag 5 completely attached to the face of the user. In order to facilitate the user to adjust the air pressure in the air bag 5 according to the situation, the air pressure adjusting device 7 for adjusting the air pressure of the air bag 5 is connected to the air bag 5. Specifically, the air pressure adjusting device 7 includes a catheter 71 and a balloon 72, one end of the catheter 71 is fixedly connected with the balloon 72, the other end of the catheter 71 is communicated with the air bag 5 through one of the connecting rods 51. One of the connecting rods 51 is provided with a through groove 512 communicated with the air bag 5, and the end of the catheter 71 away from the balloon 72 is communicated with the through groove 512. In the embodiment, the connecting rod 51 penetrating the top of the mask is provided with the through groove 512. In order to lock and fix the catheter 71 and the through groove 512, the end of the catheter 71 close to the through groove 512 is provided with an annular limiting portion 711 with an outer diameter larger than that of the catheter 71, and the end of the sleeve 6 away from the connecting rod 51 is provided with an annular protrusion 62 matched with the annular limiting portion 711, when the catheter 71 is connected with the through groove 512, the annular protrusion 62 abuts against the side of the annular limiting portion 711 away from the through groove 512 to limit the loosening of the catheter 71. Before connection, the catheter 71 is arranged in the sleeve 6, and after the catheter 71 is connected with the through groove 512, the sleeve 6 is screwed with the connecting rod 51 until the annular protrusion 62 abuts against the limiting portion 711. When the patient needs to inflate the air bag 5, the air bag 5 can be inflated by pinching the balloon 72, and when the air pressure in the air bag 5 is sufficient, in order to keep the air pressure stable, the catheter 71 is clamped by using airtight clamp. In order to make the sealing of the connection between the catheter 71 and the through groove 512 better, a sealing ring (not shown) is arranged at the connection between the catheter 71 and the through groove 512. The sealing ring can prevent air leakage during use.

[0029] The above is only an embodiment of the present application, and the specific structure and characteristics of the scheme are not described in detail. It should be noted that for those skilled in the art, without departing from the structure of the present application, some modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicability of the present application.

Claims

1. A cardiopulmonary exercise test sensor fixation device comprising a facemask, characterized in that, Also include: The first strap, the second strap and the third strap, one end of the first strap and the second strap is connected to the left and right side of the mask respectively, one end of the third strap is connected to the top end of the mask, the other end of the first strap is detachably connected with the other end of the second strap, the other end of the third strap is detachably connected with the other end of the first strap or the second strap;The mask is provided with a gasbag for filling the gap between the mask and the patient's face, and the gasbag is detachably arranged in the inner cavity of the mask.

2. A sensor fixation device for a cardiopulmonary exercise test according to claim 1, characterized in that: The gasbag is provided with a plurality of connecting rods near one side of the mask, the mask is provided with a plurality of through holes corresponding to the positions of the connecting rods, the connecting rods are all extended through the through holes and protrude out of the outer surface of the mask, and one end of the connecting rods protruding out of the through holes is detachably connected with a sleeve for limiting the movement of the connecting rods.

3. A sensor fixation device for a cardiopulmonary exercise test according to claim 2, characterized in that: The inner surface of the sleeve is provided with internal threads, and the outer surface of the connecting rods is provided with external threads matched with the internal threads, and the sleeve and the connecting rods are connected through the internal threads and the external threads.

4. The sensor securement device of claim 2, wherein: The connecting rods are three, and the three connecting rods are distributed in an isosceles triangle, two of the connecting rods extend out of the two sides of the outer surface of the mask, and the other connecting rod extends out of the top end of the outer surface of the mask.

5. The sensor fixation device for cardiopulmonary exercise testing according to claim 2, wherein: The connecting rods and the gasbag are an integral structure.

6. The sensor securement device of claim 2, wherein: The gasbag is connected with a gas pressure adjusting device for adjusting the gas pressure of the gasbag.

7. A sensor fixation device for a cardiopulmonary exercise test according to claim 6, characterized in that: The gas pressure adjusting device comprises a catheter and a balloon, one end of the catheter is fixedly connected with the balloon, and the other end of the catheter is communicated with the gasbag through one of the connecting rods.

8. A sensor fixation device for a cardiopulmonary exercise test according to claim 7, characterized in that: One of the connecting rods is provided with a through groove communicated with the gasbag, and the end of the catheter away from the balloon is communicated with the through groove.

9. A sensor fixation device for a cardiopulmonary exercise test according to claim 8, characterized in that: The end of the catheter close to the through groove is provided with an annular limiting portion with a larger outer diameter than that of the catheter, and the end of the sleeve away from the connecting rod corresponding to the through groove is provided with an annular protrusion matched with the annular limiting portion, when the catheter is connected with the through groove, the annular protrusion abuts against the side of the annular limiting portion away from the through groove to limit the loosening of the catheter.

10. A sensor fixation device for a cardiopulmonary exercise test according to claim 9, characterized in that: The connecting portion of the catheter and the through groove is provided with a sealing ring.

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