CN105013071B - A kind of medical manual pump for oesophagoscope cuff - Google Patents

Abstract

A medical manual pump, characterized in that it includes a pressure bag (1), a bracket (2), two first clamping bars (3), two second clamping bars (4), and a connecting rod (5); A manual delivery device for fluids in a specially designed esophagoscope cuff. The invention is cheap, convenient and practical.

Description

A medical manual pump for esophagoscope cuff

technical field

The invention belongs to medical equipment, in particular to a medical manual pump used for an esophagoscope cuff.

Background technique

The transesophageal ultrasound probe is a necessary device for transesophageal echocardiography, which needs to be inserted into the esophagus through the oropharynx to realize the ultrasound section.

The currently used transesophageal ultrasound probe is bulky, and it is easy to cause patient discomfort and oropharyngeal esophageal damage (pharyngeal bleeding, pain, or esophageal injury or even esophageal perforation) during the probe implantation process. Although there are small transesophageal ultrasound probes that can be used for echocardiographic imaging, when the small-diameter ultrasound probes enter the esophagus, because they cannot fit tightly with the esophageal wall, there is a certain gap between the probe and the esophageal wall. A good sound transmission window is formed, so small-diameter esophageal ultrasound probes often have poor imaging quality and other phenomena. Due to the inability to perform good local anesthesia, there is often discomfort during the process of placing the probe awake, which limits the application of this technique, so it is necessary to increase the injection pipeline of local anesthetics.

The inventor specially designed a kind of medical manual pump for the esophagoscope cuff when designing the esophagoscope cuff for solving the above technical problems, and the application of the auxiliary esophagoscope cuff, the inventor thinks that the esophagoscope cuff has a creative Basically, it should be admitted that the medical manual pump for esophagoscope cuff of the present invention is creative.

Contents of the invention

In order to solve the problems described in the technical background, the present invention proposes a medical manual pump for an esophagoscope cuff.

The present invention has the following technical content.

1. A medical manual pump, characterized in that it includes a pressure bag (1), a bracket (2), two first clamping bars (3), two second clamping bars (4), and a connecting rod (5) ;

The pressure bag (1) is made of a soft and elastic material, the inside of the pressure bag (1) has a cavity, and the two ends of the pressure bag (1) have a flexible pipe (10) that communicates the inner cavity of the pressure bag (1) with the outside. );

The first clamping bar (3) is a two-end lever, and the first clamping bar (3) has a rotating connection part (30), a clamping part (32), a linkage part (31), and the clamping part of the first clamping bar (3) There is a rubber band connector (320) on the holding part (32), and the first clamping bar (3) takes its rotating connection part (30) as a fulcrum, and the clamping part (32) and linkage of the first clamping bar (3) Parts (31) are respectively located on the two ends of the lever of the first clamp bar (3);

The second clamping bar (4) is a three-end lever, and the second clamping bar (4) has a rotating connection part (40), a clamping part (42), a linkage part (41), a rubber band connector (420), the second clamping bar (4) The second clamping bar (4) takes its rotating connection part (40) as a fulcrum, and the clamping part (42), the linkage part (41) and the rubber band connector (420) of the second clamping bar (4) are respectively located on the second clamping bar (4). On the three ends of the clamp bar (4) this three-terminal lever;

The bracket (2) is a hard entity covered outside the pressure bag, the bracket has a pressure bag accommodation space, and the bracket (2) has a collar (20) for wearing a hose, a first clamping bar bearing ring (21 ), the second clamping bar bearing ring (22), the collar (20), the first clamping bar bearing ring (21), the second clamping bar bearing ring (22) coaxial, the collar (20) and the first clamping bar The bearing ring (21) is located on both sides of the pressure bag accommodation space of the bracket (2), the collar (20) and the second clamp bar bearing ring (22) are located on the same side of the pressure bag accommodation space, and the collar (20) is located on the first Between the first clamp bar carrying ring (21) and the second clamp bar carrying ring (22), there is a clip that can accommodate the second clamp bar (4) between the collar and (20) the second clamp bar carrying ring (22). The space of holding part (42);

On the first clamp bar carrying ring (21) of the bracket (2), there are two first rotating connection parts (210) with the axis of the first clamping bar carrying ring (21) as the axis of symmetry, and the first rotating connecting parts (210) There is a rotating connection hole (211) on it;

On the second clamp bar carrying ring (22) of the bracket (2), there are two second rotating connection parts (221) with the axis of the second clamping bar carrying ring (22) as the axis of symmetry, and the second rotating connecting part (221) There is a rotating connection hole on it;

The second clamp bar bearing ring (22) of the bracket (2) also has a hose protection device (223) to prevent the hose from being clamped by the rubber band connector (420) of the second clamp bar (4);

The two first clamping bars (3) respectively pass through the respective rotating connecting parts (30) and the rotating connecting holes (211) on the rotating connecting part (210) on the first clamping bar carrying ring (21) on the bracket (2). ) is rotationally connected, and the clamping portion (32) of the first clamping bar (3) faces the end away from the pressure bag accommodation space of the bracket (2);

The two second clamp bars (4) respectively pass through the respective rotating connection parts (40) and the rotating connection holes on the second rotating connection part (221) on the second clamp bar carrying ring (22) on the bracket (2) (222) is rotationally connected, and the rubber band connector (420) of the second clamping bar (4) faces away from the end of the pressure bag accommodation space of the support (2);

One end of the connecting rod (5) links to each other with the linkage part (31) of the first clamp lever (3), and the other end of the connecting rod (5) links to each other with the linkage part (41) of the second clamp lever (4). At least one of the linkage part (31) of the lever (3) and the linkage part (41) of the second clamp lever (4) can slide in the connecting rod (5);

The pressure bag (1) is installed in the pressure bag accommodation space of the support (2), and the flexible pipes on the pressure bag (1) are connected from the collar (20) of the support (2), the first clamp bar bearing ring (21), The second clamp bar carrying ring (22) passes through;

A manual delivery device for fluids as the following specially designed esophagoscope cuffs: an esophagoscope cuff comprising a cuff (6), 3 helical tubes, an empty bladder (7); the cuff (6) uses elastic material; the cuff (6) has a spraying cavity (60), a spraying hole (600), an expansion cavity (61), a probe cavity (62), a coupling agent hole (63), a probe cavity (62), an expansion cavity The cavities (61) are arranged side by side in the middle section of the cuff, the probe cavity (62) communicates with the outside through a window, and the drug spraying cavity (60) is located at the bottom of the expansion cavity (61) and the probe cavity (62), and the drug spraying cavity (60) Communicate with the outside through the spraying hole (600), the coupling agent hole (63) is located at the top of the window of the expansion cavity (61), the coupling agent hole (63) communicates with the outside, and the expansion cavity (61) is located at the cuff (6) The channel in the wall communicates with a helical pipeline; the spray chamber (60) also communicates with a helical pipeline through a channel in the wall of the cuff (6); The passage in the wall communicates with a spiral duct; the end of the spiral duct communicated with the inflation chamber (61) communicates with the empty bag (7), and the empty bag (7), the inflation chamber (61) and a spiral duct jointly form a closed space. Cavity; the end of the spiral pipe communicated with the couplant hole (63) has a pipe connection interface; the end of the spiral pipe communicated with the spraying cavity (60) has a pipe connection interface;

The flexible pipe of the pressure bag (1) of the manual pump is connected with the pipe connection interface at the end of the helical pipe communicated with the coupling agent hole (63) of the applied esophagoscope cuff.

2. A medical manual pump as described in technical content 1, characterized in that: the clamping part (31) of the first clamping bar (3) is cylindrical or plate-shaped.

3. A medical manual pump as described in technical content 1, characterized in that: the clamping part (41) of the second clamping bar (4) is cylindrical or plate-shaped.

4. A medical manual pump as described in technical content 1, characterized in that: the first clamping bar (3) is made of plastic.

5. A medical manual pump as described in technical content 1, characterized in that: the second clamping bar (4) is made of plastic.

6. A medical manual pump as described in technical content 1, characterized in that the esophagoscope cuff used for it is made of elastic medical rubber.

7. A medical manual pump as described in technical content 1, characterized in that the pressure capsule (1) is transparent.

8. A medical manual pump as described in Technical Content 1, characterized in that: the empty bag (7) and expansion chamber (61) of the esophagoscope cuff used for it and a spiral pipe together form a closed cavity filled with gas, liquid.

9. A medical manual pump as described in Technical Content 1, characterized in that the esophagoscope cuff used also has a resistive strain gauge and a wire, and the wall of the spraying chamber of the esophagoscope cuff is elastic, and the esophagus When the spraying cavity of the endoscope cuff is squeezed, the wall of the spraying cavity of the esophagoscope cuff will be elastically deformed; the resistive strain gauge of the esophagoscope cuff is installed in the wall of the spraying cavity of the esophagoscope cuff, The shape of the resistive strain gauge of the esophagoscope cuff changes with the wall shape of the spraying chamber of the esophagoscope cuff, and the wire of the esophagoscope cuff is electrically connected with the resistive strain gauge of the esophagoscope cuff.

10. A medical manual pump as described in technical content 9, characterized in that the wires connected to the resistive strain gauges of the esophagoscope cuff used for it are made of silver, and the wires described in this technical content are as follows: Leading out in a spiral manner parallel to the spiral pipe, the wire described in this technical content is used to output the data of the elastic deformation of the airbag sensed by the resistive strain gauge.

Description of technical content and its beneficial effects.

Description of technical content: In technical content 1, the opening and closing state of the gripper composed of two first clamping bars (3) and the clamping device composed of two second clamping bars (4) are opposite, and pressing the connecting rod (5) with one hand ) will trigger to change the opening and closing states of the two grippers at the same time, realize the reverse phase of the opening and closing of the two hoses (10) at the two ends of the pressure bag (1), and realize the function of one-way conveying fluid; technical content 1 The manual pump has the characteristics of low cost and convenient operation. In technical content 4, the esophagoscope probe is installed in the probe cavity (62) of the esophagoscope cuff and the sensor of the esophagoscope probe faces outward through the window of the probe cavity (62), and the spiral pipe is wound around the rod of the esophagoscope and extends to the outside. The dispensing chamber (60) cooperates with the one-way pump for dispensing medicine or absorbing liquid in the body, and the couplant hole (63) cooperates with the one-way pump for distributing medicine or applying the coupling agent or absorbing liquid on the wall of the esophagus, and the empty capsule (7) 1. The expansion chamber (61) and a helical pipe jointly form a closed cavity, and the doctor can realize the expansion or reduction control of the expansion chamber (61) by pinching and pressing the empty capsule (7). The expansion chamber (61) and the empty capsule (7) The cavity formed by one helix can be used to control the tightness of the sensor of the probe in the probe cavity (62) where the esophagoscope cuff is installed and the wall of the detected human body cavity. The wall of the spraying cavity at the top mentioned in Technical Content 9 will deform when it contacts the inner wall of the human body, so that the contact area between it and the inner wall of the human body will increase, reducing the risk of piercing the inner wall of the human body. Resistive strain gauges The pressure between the cuff and the inner cavity wall of the human body is judged by sensing the change of the wall shape of the dispensing cavity, and the pressure is transmitted to the display device through the connected helical wire and fed back to the doctor.

The invention is cheap, convenient and practical.

Description of drawings

FIG. 1 is a schematic diagram of a pressure capsule 1 of Example 1.

FIG. 2 is a schematic diagram of the stent 2 of Example 1.

FIG. 3 is a schematic diagram of the first clamping bar 3 of Embodiment 1. FIG.

FIG. 4 is a schematic diagram of the second clamping bar 4 of the embodiment 1. FIG.

FIG. 5 is a schematic diagram of the connecting rod 5 of Embodiment 1. FIG.

FIG. 6 is a schematic diagram of the hand pump 8 of Example 1. As shown in FIG.

Fig. 7 is a schematic diagram of the empty capsule (7) of Example 2.

FIG. 8 is a schematic diagram of the esophagoscope cuff of Example 2. FIG.

FIG. 9 is a schematic cross-sectional view of FIG. 6 .

FIG. 10 is a schematic cross-sectional view of FIG. 6 .

FIG. 11 is a schematic cross-sectional view of FIG. 6 .

Fig. 12 is a schematic diagram of implementation example 2.

Specific implementation examples

The present invention will be described below in conjunction with implementation examples.

Implementation example 1, as shown in Figure 1-12, a medical manual pump 8 is characterized in that it includes a pressure bag 1, a bracket 2, two first clamping bars 3, two second clamping bars 4, and a connecting rod 5 .

The pressure bag 1 is made of soft and elastic material, and the inside of the pressure bag 1 has a cavity, and the two ends of the pressure bag 1 have flexible pipes 10 for communicating the inner cavity of the pressure bag 1 with the outside.

The first clamp bar 3 is a two-end lever. The first clamp bar 3 has a rotating connection part 30, a clamping part 32, and a linkage part 31. The clamping part 32 of the first clamp bar 3 has a rubber band connector 320. The second clamp bar 3 has a rubber band connector 320. A clamping bar 3 takes its rotating connection part 30 as a fulcrum, and the clamping part 32 and the linkage part 31 of the first clamping bar 3 are respectively located on the two ends of the lever of the first clamping bar 3 .

The second clamping bar 4 is a three-end lever, and the second clamping bar 4 has a rotating connection part 40, a clamping part 42, a linkage part 41, a rubber band connector 420, and the second clamping bar 4 is based on its rotating connecting part 40. The fulcrum, the clamping part 42 , the linkage part 41 , and the rubber band connector 420 of the second clamping bar 4 are respectively located on the three ends of the three-terminal lever of the second clamping bar 4 .

The bracket 2 is a hard entity set outside the pressure bag. The bracket has a pressure bag accommodation space. The bracket 2 has a collar 20 for wearing a hose, a first clamping bar bearing ring 21, and a second clamping bar bearing ring. 22. The collar 20, the first clamp bar bearing ring 21, and the second clamp bar bearing ring 22 are coaxial. The collar 20 and the first clamp bar bearing ring 21 are located on both sides of the pressure bag accommodation space of the bracket 2. The collar 20 Located on the same side of the pressure bag accommodation space as the second clamp bar bearing ring 22, the collar 20 is located between the first clamp bar bearing ring 21 and the second clamp bar bearing ring 22, and the collar and 20 the second clamp bar bearing ring 22 There is a space between them that can accommodate the clamping portion 42 of the second clamping bar 4 .

The first clamping bar carrying ring 21 of the bracket 2 has two first rotating connection parts 210 with the axis of the first clamping bar carrying ring 21 as the axis of symmetry, and the first rotating connecting part 210 has a rotating connecting hole 211 .

The second clamp bar carrying ring 22 of the bracket 2 has two second rotating connection parts 221 with the axis of the second clamp bar carrying ring 22 as the axis of symmetry, and the second rotating connecting part 221 has a rotating connection hole.

The second clamp bar bearing ring 22 of the bracket 2 also has a hose protection device 223 that prevents the hose from being clamped by the rubber band connection end 420 of the second clamp bar 4 .

The two first clamping bars 3 are rotationally connected to the rotating connecting holes 211 on the first rotating connecting portion 210 on the first clamping bar carrying ring 21 on the bracket 2 through respective rotating connecting parts 30 respectively, and the first clamping bars 3 The clamping portion 32 faces the end away from the pressure bag accommodation space of the bracket 2 .

The two second clamping bars 4 are rotationally connected to the rotating connecting holes 222 on the second rotating connecting portion 221 on the second rotating connecting portion 221 on the second clamping bar carrying ring 22 on the bracket 2 through respective rotating connecting parts 40 respectively, and the second clamping bars 4 The rubber band connector 420 faces the end away from the pressure bag accommodation space of the bracket 2 .

One end of the connecting rod 5 links to each other with the linkage part 31 of the first clamp lever 3, and the other end of the connecting rod 5 links to each other with the linkage part 41 of the second clamp lever 4. The linkage part 31 of the first clamp lever 3 and the second clamp lever 4 At least one of the linkage parts 41 can slide in the connecting rod 5 .

The pressure bag 1 is installed in the pressure bag accommodation space of the bracket 2, and the hoses on the pressure bag 1 pass through the collar 20 of the bracket 2, the first clamp bar bearing ring 21, and the second clamp bar bearing ring 22 respectively.

The clamping portion 31 of the first clamping bar 3 is cylindrical.

The clamping portion 41 of the second clamping bar 4 is cylindrical.

An esophagoscope cuff, comprising a cuff 6, 3 spiral pipes, and an empty bag 7; the cuff 6 is made of elastic material; the cuff 6 has a drug spraying cavity 60, a drug spraying hole 600, an expansion cavity 61, a probe Cavity 62, couplant hole 63, probe cavity 62, expansion cavity 61 are arranged side by side in the middle section of cuff, probe cavity 62 communicates with the outside through windows one by one, drug spraying cavity 60 is located at the bottom of expansion cavity 61, probe cavity 62, spraying drug The cavity (60) communicates with the outside through the spraying hole 600, the couplant hole 63 is positioned at the top of the window of the expansion cavity 61, and the couplant hole 63 communicates with the outside, and the expansion cavity 61 communicates with a helical screw through a passage in the wall of the cuff 6. The pipes communicate with each other; the dispensing chamber 60 also communicates with a helical pipe through the passage located in the wall of the cuff 6; the coupling agent hole 63 also communicates with a helical pipe through the passage located in the wall of the cuff 6; communicates with the expansion chamber 61 The end of the spiral pipe communicates with the empty bag 7, and the empty bag 7, the expansion cavity 61 and a spiral pipe together form a closed cavity; the end of the spiral pipe communicated with the couplant hole 63 has a pipe connection interface; it communicates with the spray chamber 60 The end of the helical pipeline has a pipeline connection interface (the pipeline connection interface is prior art, not drawn for the convenience of figure recognition, this is not necessary known technology for those skilled in the art).

The air bag 7, the expansion cavity 61 and a spiral pipe together form a closed cavity filled with gas.

The flexible pipe of the pressure bag 1 of the manual pump 8 is connected with the pipe connection interface at the end of the helical pipe communicated with the coupling agent hole 63 of the esophagoscope cuff.

The flexible pipe of the pressure bag 1 of the manual pump is connected with the pipe connection interface at the end of the helical pipe communicated with the drug dispensing chamber 60 of the esophagoscope cuff.

Implementation example 2, modified on the basis of implementation example 1, a camera is added in the spraying chamber 60, and the camera transmits images to external equipment through a helical wire parallel to the helical pipeline.

Implementing Example 3, installing a resistive strain gauge in the wall of the spraying cavity of Example 1; making the wall of the spraying cavity elastic.

Claims (10)

1. A medical manual pump, characterized in that it includes a pressure bag (1), a bracket (2), two first clamping bars (3), two second clamping bars (4), and a connecting rod (5) ; The pressure bag (1) is made of a soft and elastic material, the inside of the pressure bag (1) has a cavity, and the two ends of the pressure bag (1) have a flexible pipe (10) that communicates the inner cavity of the pressure bag (1) with the outside. ); The first clamping bar (3) is a two-end lever, and the first clamping bar (3) has a rotating connection part (30), a clamping part (32), a linkage part (31), and the clamping part of the first clamping bar (3) There is a rubber band connector (320) on the holding part (32), and the first clamping bar (3) takes its rotating connection part (30) as a fulcrum, and the clamping part (32) and linkage of the first clamping bar (3) Parts (31) are respectively located on the two ends of the lever of the first clamp bar (3); The second clamping bar (4) is a three-end lever, and the second clamping bar (4) has a rotating connection part (40), a clamping part (42), a linkage part (41), a rubber band connector (420), the second clamping bar (4) The second clamping bar (4) takes its rotating connection part (40) as a fulcrum, and the clamping part (42), the linkage part (41) and the rubber band connector (420) of the second clamping bar (4) are respectively located on the second clamping bar (4). On the three ends of the clamp bar (4) this three-terminal lever; The bracket (2) is a hard entity covered outside the pressure bag, the bracket has a pressure bag accommodation space, and the bracket (2) has a collar (20) for wearing a hose, a first clamping bar bearing ring (21 ), the second clamping bar bearing ring (22), the collar (20), the first clamping bar bearing ring (21), the second clamping bar bearing ring (22) coaxial, the collar (20) and the first clamping bar The bearing ring (21) is located on both sides of the pressure bag accommodation space of the bracket (2), the collar (20) and the second clamp bar bearing ring (22) are located on the same side of the pressure bag accommodation space, and the collar (20) is located on the first Between the first clamp bar carrying ring (21) and the second clamp bar carrying ring (22), there is a clip that can accommodate the second clamp bar (4) between the collar and (20) the second clamp bar carrying ring (22). The space of holding part (42); On the first clamp bar carrying ring (21) of the bracket (2), there are two first rotating connection parts (210) with the axis of the first clamping bar carrying ring (21) as the axis of symmetry, and the first rotating connecting parts (210) There is a rotating connection hole (211) on it; On the second clamp bar carrying ring (22) of the bracket (2), there are two second rotating connection parts (221) with the axis of the second clamping bar carrying ring (22) as the axis of symmetry, and the second rotating connecting part (221) There is a rotating connection hole on it; The second clamp bar bearing ring (22) of the bracket (2) also has a hose protection device (223) to prevent the hose from being clamped by the rubber band connector (420) of the second clamp bar (4); The two first clamp bars (3) respectively pass through the respective rotating connection parts (30) and the rotating connection holes on the first rotating connection part (210) on the first clamp bar bearing ring (21) on the bracket (2) (211) is rotationally connected, and the clamping portion (32) of the first clamping bar (3) is facing away from the end of the pressure bag accommodation space of the bracket (2); The two second clamp bars (4) respectively pass through the respective rotating connection parts (40) and the rotating connection holes on the second rotating connection part (221) on the second clamp bar carrying ring (22) on the bracket (2) (222) is rotationally connected, and the rubber band connector (420) of the second clamping bar (4) faces away from the end of the pressure bag accommodation space of the support (2); One end of the connecting rod (5) links to each other with the linkage part (31) of the first clamp lever (3), and the other end of the connecting rod (5) links to each other with the linkage part (41) of the second clamp lever (4). At least one of the linkage part (31) of the lever (3) and the linkage part (41) of the second clamp lever (4) can slide in the connecting rod (5); The pressure bag (1) is installed in the pressure bag accommodation space of the support (2), and the flexible pipes on the pressure bag (1) are connected from the collar (20) of the support (2), the first clamp bar bearing ring (21), The second clamp bar carrying ring (22) passes through; A manual delivery device for fluids as the following specially designed esophagoscope cuffs: an esophagoscope cuff comprising a cuff (6), 3 helical tubes, an empty bladder (7); the cuff (6) uses elastic material; the cuff (6) has a spraying cavity (60), a spraying hole (600), an expansion cavity (61), a probe cavity (62), a coupling agent hole (63), a probe cavity (62), an expansion cavity The cavities (61) are arranged side by side in the middle section of the cuff, the probe cavity (62) communicates with the outside through a window, and the drug spraying cavity (60) is located at the bottom of the expansion cavity (61) and the probe cavity (62), and the drug spraying cavity (60) Communicate with the outside through the spraying hole (600), the coupling agent hole (63) is located at the top of the window of the expansion cavity (61), the coupling agent hole (63) communicates with the outside, and the expansion cavity (61) is located at the cuff (6) The channel in the wall communicates with a helical pipeline; the spray chamber (60) also communicates with a helical pipeline through a channel in the wall of the cuff (6); The passage in the wall communicates with a spiral duct; the end of the spiral duct communicated with the inflation chamber (61) communicates with the empty bag (7), and the empty bag (7), the inflation chamber (61) and a spiral duct jointly form a closed space. Cavity; the end of the spiral pipe communicated with the couplant hole (63) has a pipe connection interface; the end of the spiral pipe communicated with the spraying cavity (60) has a pipe connection interface; The flexible pipe of the pressure bag (1) of the manual pump is connected with the pipeline connection interface at the end of the helical pipeline communicated with the coupling agent hole (63) of the applied esophagoscope cuff. 2. A medical manual pump according to claim 1, characterized in that: the clamping portion (31) of the first clamping bar (3) is cylindrical or plate-shaped. 3. A medical manual pump according to claim 1, characterized in that: the clamping portion (41) of the second clamping bar (4) is cylindrical or plate-shaped. 4. A medical manual pump according to claim 1, characterized in that: the first clamping bar (3) is made of plastic. 5. A medical manual pump according to claim 1, characterized in that: the second clamping bar (4) is made of plastic. 6. A medical manual pump according to claim 1, characterized in that: the esophagoscope cuff used for it is made of elastic medical rubber. 7. A medical manual pump according to claim 1, characterized in that: the pressure capsule (1) is transparent. 8. A kind of medical manual pump as claimed in claim 1, it is characterized in that: the empty bag (7), expansion cavity (61) of the esophagoscope cuff used for it and a helical pipe together form a closed cavity filled with gas. 9. A kind of medical manual pump as claimed in claim 1, it is characterized in that: the esophagoscope cuff it is used for also has resistive strain gauge, lead wire, and the wall of the drug spraying chamber of esophagoscope cuff has elasticity, and the esophagus cuff When the spraying cavity of the endoscope cuff is squeezed, the wall of the spraying cavity of the esophagoscope cuff will be elastically deformed; the resistive strain gauge of the esophagoscope cuff is installed in the wall of the spraying cavity of the esophagoscope cuff, The shape of the resistive strain gauge of the esophagoscope cuff changes with the wall shape of the spraying cavity of the esophagoscope cuff, and the wire of the esophagoscope cuff is electrically connected with the resistive strain gauge of the esophagoscope cuff. 10. A medical manual pump as claimed in claim 9, characterized in that: the wires connected to the resistive strain gauges of the esophagoscope cuff used for it are made of silver, and the wires are made of silver with the spiral pipe The wires are drawn out in a parallel spiral manner, and the wires are used to output the data of the elastic deformation of the airbag sensed by the resistive strain gauge.