TWM457531U - Pressure detection device for negative-pressure inspiration - Google Patents

Description

Negative pressure suction pressure measuring device

The present invention relates to a negative pressure suction air force measuring device for respiratory medical care, in particular to a negative pressure for measuring the amount of gas pressure when a patient inhales to determine whether a patient can escape from the respiratory system. Intake air pressure measuring device.

In order to know whether a patient who relies on the respiratory system to maintain respiratory operation has the ability to breathe spontaneously, a gas pressure measuring device is usually placed on the respiratory system to measure the gas pressure when the patient inhales, by measuring the gas. The magnitude of the pressure is used to determine the patient's ability to breathe spontaneously so that the caregiver can determine whether the patient can be removed from the respiratory system, as in U.S. Patent No. 6,854,334.

Due to the complicated design of the pressure measuring device of the case and the large volume of the whole, not only the manufacturing man-hours are expensive to manufacture, but also the manufacturing cost is high. Therefore, how to construct a simple structure and volume is proposed. The small design has become the subject of further improvement of this new type.

Therefore, an object of the present invention is to provide a negative pressure suction air force measuring device for measuring the gas pressure of a patient during inhalation, Simple to manufacture and small in size, it can save manufacturing man-hours and reduce manufacturing costs.

Therefore, the novel negative pressure suction air pressure measuring device is used for measuring the gas pressure value when the patient inhales, and the negative pressure suction air pressure measuring device comprises a gas pipe, a spring, and an indicating member.

The gas pipe is transparent and includes a scale unit indicated on the outer surface for representing the gas pressure. The gas pipe defines a gas flow path, a first opening for connecting the gas flow path to the outside and for connecting to the patient, and a The gas flow path is in communication with the outside and is located at a second opening opposite the first opening. The spring is disposed in the gas flow path and includes a fixed end connected to the gas pipe, and a free end located at the opposite end of the fixed end and adjacent to the second opening. The indicator member is disposed on the free end of the spring and is movable in the gas flow passage. When the patient inhales, the gas flows into the gas flow passage from the second opening and flows out through the first opening, so that the indicator member is driven by the gas to face the first The opening moves and compresses the spring, and the indicator corresponds to a measured pressure value position in the scale unit.

In the foregoing negative pressure suction air pressure measuring device, the outer circumference of the indicator member is spaced apart from an inner surface of the gas flow path defining the gas flow path, whereby when the patient inhales from the first opening, part of the gas will drive the indicator toward The first opening moves, and a part of the gas flows from the gap between the indicator and the inner surface to the first opening.

In the foregoing negative pressure suction air pressure measuring device, the gas pipeline further comprises a plurality of color marking regions respectively representing different colors for representing different air pressure intervals and corresponding to the indicating components, so that the care personnel can mark the color corresponding to the indicating component. The location of the zone is known to be sufficient for the inspiratory pressure of the patient during inhalation.

In the foregoing negative pressure suction air pressure measuring device, the gas pipeline further comprises a positioning member disposed in the gas flow passage for engaging the fixed end of the spring, so that the spring can be stably positioned in the gas flow passage.

In the foregoing negative pressure suction air pressure measuring device, the air pipe further defines a through hole between the first and second openings and adjacent to the first opening, and the through hole connects the gas flow path with the outside, so that the gas is exhaled when the patient exhales Can be discharged to the outside through the through hole.

The negative pressure suction air pressure measuring device further includes a first blocking piece disposed in the gas flow path adjacent to the first opening for blocking the body fluid of the patient and allowing the gas to circulate, and a first blocking piece disposed in the through hole for being used in the through hole A second baffle that blocks the patient's body fluids and allows gas to circulate to prevent the patient's body fluid from reaching the caregiver.

The utility model has the advantages that the design is simple and the volume is small, thereby saving manufacturing man-hours and reducing the manufacturing cost, and the caregiver can quickly and surely know the gas pressure when the patient inhales.

100‧‧‧Negative pressure suction pressure measuring device

1‧‧‧ gas pipeline

11‧‧‧Body

110‧‧‧ First Tube Department

111‧‧‧ gas flow path

112‧‧‧ first opening

113‧‧‧Second Department

114‧‧‧through hole

115, 117‧‧‧ inner surface

116‧‧‧First card slot

118‧‧‧Second card slot

119‧‧‧ Positioning parts

120‧‧‧Scale unit

121, 122‧‧‧ color marking area

123‧‧‧Color marking area

13‧‧‧ Cover

131‧‧‧second opening

132‧‧‧Apartment

2‧‧‧ Spring

21‧‧‧ fixed end

22‧‧‧Free end

3‧‧‧Instructions

31‧‧‧ convex

32‧‧‧ Pressure surface

33‧‧‧Instructions

4‧‧‧First baffle

5‧‧‧second cover

6‧‧‧ fingers

71~73‧‧‧Steps

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view of a preferred embodiment of the present invention. FIG. 3 is an exploded perspective view of a preferred embodiment of a vacuum suction force measuring device; FIG. 3 is a cross-sectional view taken along line VV of FIG. 1; and FIG. 4 is a vacuum suction force measuring device of the present invention. a preferred embodiment FIG. 5 is a flow chart of a preferred embodiment of the vacuum suction force measuring device of the present invention, illustrating that after the finger first closes the through hole, the patient inhales in the first opening. The gas will drive the indicator to move toward the first opening direction; FIG. 6 is a schematic view of the operation of a preferred embodiment of the vacuum suction force measuring device of the present invention, indicating that the indicating portion of the indicating member corresponds to the scale unit and the color marking area 7 is a cross-sectional view similar to FIG. 3, illustrating another embodiment of a preferred embodiment of the vacuum suction force measuring device of the present invention, wherein the gas pipe is provided with only the first baffle; and FIG. 8 is similar. 3 is a cross-sectional view showing another embodiment of a preferred embodiment of the vacuum suction force measuring device of the present invention, in which the gas pipe is provided with only a second baffle.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

As shown in FIG. 1 , it is a preferred embodiment of the novel negative pressure suction air pressure measuring device 100 , which is applied to the respiratory system and is mainly used for measuring the patient's inhalation. Gas pressure value.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , the negative pressure suction air pressure measuring device 100 includes a gas pipe 1 , a spring 2 disposed in the gas pipe 1 , and an indicator 3 disposed in the gas pipe 1 . . The gas pipe 1 is transparent, and includes a pipe body 11 and a cover body 13 disposed at one end of the pipe body 11. The first pipe portion 110 of the pipe body 11 defines a gas flow passage 111, and a gas is provided. The first opening 112 of the flow passage 111 communicates with the outside, and the cover 13 defines a second opening 131 at the opposite end of the first opening 112 and communicates with the outside of the gas flow passage 111. The first opening 112 end of the tubular body 11 can be Connected to the patient's air incision through a gas-cut tube (not shown), or through a three-way tube (not shown) and a respiratory mask that is placed over the patient's mouth and nose, thereby allowing the patient to inhale The gas outside the negative pressure suction air pressure measuring device 100 flows into the gas flow path 111 through the second opening 131 and flows out to the gas cut pipe or the three-way pipe through the first opening 112.

A second tube portion 113 adjacent to the first opening 112 is defined in the outer surface of the first tube portion 110 of the tube body 11. The second tube portion 113 defines a communicating with the gas flow path 111 and is located at the first and second openings 112, 131. The through hole 114 is formed by the through hole 114. When the patient is exhaling, most of the gas flowing into the gas flow path 111 through the first opening 112 can be discharged to the outside through the through hole 114, and a very small portion is The gas is discharged to the outside through the second opening 131. In addition, the first tube portion 110 defines an inner surface 115 of the gas flow path 111 and is provided with a first card slot 116 adjacent to the first opening 112, and the second tube portion 113 defines an inner surface 117 of the through hole 114. The second card slot 118, the negative pressure suction air force measuring device 100 further includes a first blocking piece 4 stuck to the first card slot 116, and a second blocking piece 5 stuck to the second card slot 118, first The second flaps 4 and 5 are respectively made of paper material for gas circulation, and the first and second flaps 4 and 5 are designed to block the body fluid accompanying the gas flow when the patient exhales the gas to avoid The patient's body fluid flows out through the second opening 131 or the through hole 114 to reach the caregiver.

The spring 2 is a metal compression spring which is disposed on the gas The flow path 111 includes a fixed end 21 and a free end 22 at the opposite end of the fixed end 21. The fixed end 21 of the spring 2 is used to engage a ring-shaped positioning member 119 on the inner surface of the first tube portion 110. The free end 22 of the spring 2 is adjacent to the second opening 131 and is connected to the disc-shaped indicator member 3, and the free end 22 is sleeved on the convex portion 31 of the indicator member 3, and the elastic force of the spring 2 acts continuously. The pressure receiving surface 32 of the indicator member 3 is brought into contact with the abutting portion 132 of the cover body 2 disposed at the second opening 131. Since the outer circumference of the indicator 3 is spaced from the inner surface 115 of the first tube portion 110 of the tube body 11, most of the gas flowing into the gas channel 111 via the second opening 131 is pressurized when the patient inhales On the pressure receiving surface 32 of the indicator member 3, a small portion of the gas flows through the gap between the indicator member 3 and the inner surface 115 of the first tube portion 110, if the gas is pressed against the pressure receiving surface 32 of the indicator member 3. When the pressure is greater than the spring force of the spring 2, the indicator member 3 is driven by the gas to move toward the first opening 112 and compress the spring 2.

The tube body 11 includes a scale unit 120 indicated on the outer surface of the first tube portion 110, and a plurality of color indication regions 121, 122, 123 respectively indicated on the outer surface of the first tube portion 110 and presenting different colors respectively. The scale unit 120 includes A plurality of scales are arranged axially spaced along the outer surface of the first tubular portion 110 to represent the magnitude of the patient's inspiratory pressure value, and the color indicating regions 121, 122, 123 are used to represent different pressure ranges and when the patient inhales Is the inspiratory pressure sufficient? In the present embodiment, the scale values of the scale unit 120 are 0, -20, -40, and -60, respectively, and the color indication areas 121, 122, and 123 are designed into three sections, wherein the scales are correspondingly marked on the scale 0~- The color marking area 121 between 20 represents that the patient has insufficient inspiratory pressure and is correspondingly marked on the scale. The color marking area 122 between -20 and -40 is representative of the patient's inspiratory pressure, and the color indicating area 123 correspondingly marked between the scales of -40 and -60 is representative of the patient's inspiratory pressure. Since the tube body 11 of the gas delivery tube 1 is transparent, and the indicator portion 3 is provided with a specific color indicating portion 33, when the patient inhales and causes the indicator member 3 to move within the gas flow path 111, care is taken. The person can observe the position of the indicator unit 33 of the indicator 3 corresponding to the position of the scale unit 120, and know the magnitude of the measured pressure value, and pass through one of the color indication areas 121, 122 corresponding to the indicator 3, 123 to determine whether the inspiratory pressure of the patient is sufficient when inhaling.

It should be noted that, in design, the scale value and the design quantity of the scale unit 120 are not limited to those disclosed in the embodiment, and four or more scales may be designed according to the requirements, and the color label area may also be used. Designed into two segments with a change in the number of scales, or subdivided into three segments or more.

Hereinafter, the suction pressure force measuring method of the negative pressure suction air force measuring device 100 will be described in detail, as shown in FIG. 4, FIG. 5 and FIG. 6, and FIG. 4 is the suction of the negative pressure suction air pressure measuring device 100. A flow measurement method flow chart mainly includes the following steps: Step 71, closing a through hole 114 in the gas pipe 1 between the first and second openings 112, 131 and communicating with the gas flow path 111.

When the suction air pressure measuring device 100 of the present embodiment performs the air pressure measurement, the caregiver must first press the finger 6 against the second tube portion 113 of the air tube 1 to close the through hole 114, thereby ensuring When the patient inhales, the gas outside the suction air force measuring device 100 is flown by the second opening 131 The gas flow path 111 is inserted into the gas flow path 111 so that the indicator 3 can accurately measure the magnitude of the patient's inspiratory pressure.

In step 72, the first opening 112 is inhaled, and the gas flows into the gas flow path 111 from the second opening 131 and flows toward the first opening 112. The gas moves the indicator 3 toward the first opening 112 and compresses the spring 2.

Since the through hole 114 is in a closed state, and the outer circumference of the indicator 3 is spaced from the inner surface 115 of the first tube portion 110 of the tube body 11, when the patient inhales through the gas cutting tube or the breathing mask, the gas will be like an arrow. The direction shown flows into the gas flow passage 111 from the second opening 131 and flows toward the first opening 112. Due to the blocking of the pressure receiving surface 32 of the indicator member 3, most of the gas is pressed against the pressure receiving surface 32. The indicator member 3 moves toward the first opening 112 and compresses the spring 2, and a small portion of the gas flows through the gap between the outer circumference of the indicator member 3 and the inner surface 115 of the first tube portion 110, and faces the first opening 112. flow.

In step 73, the viewing indicator 3 knows the magnitude of the measured pressure value corresponding to the position of a scale unit 120 on the gas pipe 1.

The caregiver can view the position of the indication portion 33 of the indicator 3 corresponding to a measured pressure value in the scale unit 120 from the outside of the tube body 11 of the gas pipe 1, and the magnitude of the pressure value is known through the scale unit 120. By the position of one of the color indicating areas 121, 122, and 123 corresponding to the indicating portion 33, it is possible to quickly and surely determine whether the inspiratory pressure at the time of inhalation of the patient is sufficient, when the indicating portion 33 corresponds to the color indicating area 123. , means that the patient has sufficient inspiratory pressure and has the ability to breathe spontaneously. At this time, the caregiver can take the patient out of the respiratory system. If the indication portion 33 corresponds to a color mark When the zones 121 and 122 are displayed, it means that the patient still has to rely on the respiratory system to maintain the breathing operation. When the patient exhales, the caregiver can move the finger 6 away from the through hole, so that part of the gas is discharged through the through hole, and the indicator 3 can quickly return to the cover by the gas of another part and the return elastic force of the spring 2. The position of the abutting portion 132 of the body 13.

It should be noted that, in the design of the air pipe 1 of the negative pressure suction air pressure measuring device 100, only the first baffle 4 may be separately provided as shown in FIG. 7, or only the second block is separately provided as shown in FIG. The sheet 5 can also achieve the effect of blocking the body fluid accompanying the gas flow when the patient exhales the gas, and is not limited to the manner in which the first and second flaps 4 and 5 are disposed at the same time as disclosed in the embodiment.

In summary, the negative pressure suction air pressure measuring device 100 in the present embodiment can save manufacturing man-hours and reduce manufacturing cost due to the simple design and small size, and the indicating portion 33 of the indicator member 3 can be saved. Corresponding to the position of the scale unit 120 on the gas pipe 1 and the position of the color marking area 121, 122, 123, the caregiver can quickly and surely know the gas pressure when the patient inhales, so the present invention can be achieved. The purpose.

However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the simple equivalent changes and modifications made in accordance with the scope of the present patent application and the contents of the patent specification, All remain within the scope of this new patent.

100‧‧‧Negative pressure suction pressure measuring device

1‧‧‧ gas pipeline

11‧‧‧Body

110‧‧‧ First Tube Department

111‧‧‧ gas flow path

112‧‧‧ first opening

113‧‧‧Second Department

114‧‧‧through hole

120‧‧‧Scale unit

121, 122‧‧‧ color marking area

123‧‧‧Color marking area

13‧‧‧ Cover

131‧‧‧second opening

132‧‧‧Apartment

2‧‧‧ Spring

21‧‧‧ fixed end

22‧‧‧Free end

3‧‧‧Instructions

31‧‧‧ convex

32‧‧‧ Pressure surface

33‧‧‧Instructions

4‧‧‧First baffle

5‧‧‧second cover

Claims (13)

A negative pressure suction air pressure measuring device for measuring a gas pressure value when a patient inhales, the negative pressure suction air pressure measuring device comprising: a gas pipe, being transparent and including a mark on an outer surface for a scale unit representing a gas pressure level, the gas pipe defining a gas flow path, a first opening for communicating the gas flow path to the outside and for connecting to the patient, and a gas flow path communicating with the outside and located at the first a second opening at the opposite end of the opening; a spring disposed in the gas flow path and including a fixed end connected to the gas pipe, and a free end adjacent to the opposite end of the fixed end and adjacent to the second opening; An indicator member is disposed on the free end of the spring and movable in the gas flow passage. When the patient inhales, the gas flows into the gas flow passage from the second opening and flows out through the first opening, so that the indicator The indicator member is driven by the gas to move toward the first opening and compress the spring, and the indicator member corresponds to a measured pressure value position in the scale unit. The negative pressure suction air pressure measuring device according to claim 1, wherein an outer circumference of the indicator member is spaced apart from an inner surface of the gas flow path defining the gas flow path. The negative pressure suction air pressure measuring device according to claim 1, wherein the gas pipeline further comprises a plurality of color marking regions respectively representing different colors for representing different gas pressure intervals and corresponding to the indicating member. The negative pressure suction air pressure measuring device according to claim 1, wherein the gas pipe further comprises a gas disposed in the gas flow path for the spring The positioning piece that is fixed at the fixed end. The negative pressure suction air pressure measuring device according to claim 1, further comprising a first blocking piece disposed in the gas flow path adjacent to the first opening for blocking the patient's body fluid and allowing gas to circulate. The negative pressure suction air pressure measuring device according to claim 1, wherein the gas pipe further defines a through hole between the first and second openings adjacent to the first opening, the through hole making the gas The flow path is connected to the outside. The negative pressure suction air pressure measuring device according to claim 6, further comprising a second blocking piece disposed in the through hole for blocking the patient's body fluid and allowing gas to circulate. The negative pressure suction air pressure measuring device according to claim 2, wherein the gas pipe further comprises a pipe body defining the gas flow path and the first opening, and a set is disposed on the pipe body and defined And a cover body that is out of the second opening and abuts the indicator member, and the scale unit is disposed on the tube body. The negative pressure suction air pressure measuring device according to claim 8, wherein the tube body comprises a plurality of color marking areas marked on the outer surface and respectively presenting different colors for representing different air pressure intervals, the color marking area. It can be used for this indicator. The negative pressure suction air pressure measuring device according to claim 8, wherein the tube body comprises a positioning member disposed on the inner surface and located in the gas flow path for the fixed end of the spring to be engaged. The negative pressure suction air pressure measuring device according to claim 9, wherein the inner surface of the tube body is provided with a first card slot adjacent to the first opening, and the negative pressure suction air force measuring device further comprises a Snap in the first card slot to block a first flap that blocks the body fluid of the patient and is ventilated by the gas. The negative pressure suction air pressure measuring device of claim 9, wherein the tube body further defines a through hole between the first and second openings adjacent to the first opening, the through hole making the gas The flow path is connected to the outside. The negative pressure suction air pressure measuring device according to claim 12, wherein the inner surface of the through hole defines a second card slot, and the negative pressure suction air force measuring device further comprises a card The second card slot is configured to block the patient's body fluid and provide a second flap for gas circulation.