Anesthesia device capable of conveniently adjusting anesthetic concentration

By designing an anesthesia device with detection and control components, the problem of insufficient anesthetic concentration monitoring was solved, enabling precise adjustment of anesthetic concentration and reduction of measurement errors, thereby improving the safety and reliability of the device.

CN120884789APending Publication Date: 2025-11-04SICHUAN PROVINCIAL ORTHOPEDIC HOSPITAL (CHENGDU SPORTS HOSPITAL CHENGDU SPORTS TRAUMATOLOGY INST)
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Patent Information

Application Number
CN202511177101.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-21
Publication Date
2025-11-04

AI Technical Summary

Technical Problem

Existing anesthesia devices that facilitate the adjustment of anesthetic concentrations have insufficient monitoring of end-expiratory concentrations, resulting in partial retention of anesthetics within the delivery tubing. This leads to significant measurement errors during anesthesia and increases the risk of medical accidents.

Method used

An anesthesia device including a detection component and a control component was designed. The concentration of the anesthetic is detected by a concentration sensor and the concentration of the anesthetic is adjusted by a control pump and a control valve. The device also incorporates a drainage component to collect condensate and reduce the impact of condensate accumulation within the device.

Benefits of technology

It enables precise monitoring and adjustment of anesthetic concentration, reduces measurement errors, and improves the safety and reliability of the device.

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Abstract

The anesthesia device comprises an operation platform and a detection assembly, the operation platform is arranged on one side of an anesthesia machine, a control pump is arranged on the operation platform, a soda lime tank is arranged at the bottom end of the operation platform, and an air return port and an air outlet are formed in one end of the operation platform; the soda lime tank and the control pump are respectively connected with an air return port and an air outlet through air guide pipelines, the air return port and the air outlet are respectively connected with an air return pipe and an air inlet pipe, and the free ends of the air return pipe and the air inlet pipe are jointly connected with a breathing mask through a connecting pipe; the detection assembly and the control assembly arranged in the anesthesia machine can be used in cooperation, so that the anesthetic pump-out concentration of the control pump on the operation platform can be guided by the anesthetic concentration at the breathing tail end of a patient, and when the patient is anesthetized through the anesthesia machine, the control pump can anesthetize the patient through the air return pipe, the air inlet pipe and the connecting pipe; and meanwhile, the concentration sensor can directly monitor the anesthetic pump-out concentration so as to regulate and control the anesthetic input end concentration.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anesthesia devices, more particularly, to an anesthesia device facilitating adjustment of anesthetic concentration. BACKGROUND

[0002] Anesthetics are mainly divided into local anesthetics and general anesthetics according to their anesthetic range, wherein the use mode of general anesthetics is intravenous injection or respiratory inhalation, and inhalation anesthesia is to send anesthetic gases such as sevoflurane and isoflurane into the body through the respiratory system, and the characteristics of inhalation anesthesia are fast onset and strong controllability, and the anesthetic depth can be quickly adjusted by adjusting the concentration of inhaled gas.

[0003] However, the existing anesthesia device facilitating adjustment of anesthetic concentration is insufficient in monitoring the end-tidal concentration, and the anesthetic is prone to be partially retained in the transmission pipeline, thereby causing a large measurement error in the anesthesia process, increasing the risk of medical accidents, and reducing the use effect of the device. SUMMARY

[0004] The present application provides an anesthesia device facilitating adjustment of anesthetic concentration to solve the problem of insufficient monitoring of end-tidal concentration in the existing anesthesia device adjusting anesthetic concentration, and the anesthetic is prone to be partially retained in the transmission pipeline, thereby causing a large measurement error in the anesthesia process, increasing the risk of medical accidents, and reducing the use effect of the device.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: An anesthesia device facilitating adjustment of anesthetic concentration, comprising an operation platform and a detection assembly, the operation platform is arranged on one side of an anesthesia machine, a control pump is arranged on the operation platform, a sodium lime tank is arranged at the bottom end of the operation platform, a gas return port and a gas outlet are arranged at one end of the operation platform, the sodium lime tank and the control pump are connected with the gas return port and the gas outlet through gas guide pipelines respectively, a gas return pipe and a gas inlet pipe are connected with the gas return port and the gas outlet respectively, and a breathing mask is connected with the free ends of the gas return pipe and the gas inlet pipe through a connecting pipe.

[0006] Preferably, the detection assembly comprises a connecting rod slidingly clamped at the top end of the connecting pipe, a concentration sensor is arranged at the bottom end of the connecting rod, and the outer diameter of the concentration sensor is the same as the inner diameter of the connecting pipe.

[0007] Preferably, a sliding sleeve is screwed on the outer side of the connecting rod through a screw sleeve, a guide block is arranged on the outer side of the sliding sleeve, a clamping groove is formed in the inner side wall of the connecting pipe, the guide block is slidingly clamped in the clamping groove, a top plate is connected with the top end of the connecting rod, and the bottom surface of the top plate and the top surface of the connecting pipe are connected through a spring.

[0008] Preferably, the gas return port and the gas outlet are respectively connected with two control valve ports, the inner wall of the top end of the two control valve ports is provided with a plurality of supporting plates, the top end of the supporting plate is provided with a ceramic sheet, and the bottom end of the gas return port is provided with a liquid discharge assembly.

[0009] Preferably, the liquid discharge assembly comprises a collecting cylinder in communication with the gas return port, the bottom end of the collecting cylinder is connected with a liquid guide pipe, the liquid guide pipe is provided with a control bin, a plug is rotatably clamped in the control bin, the plug is in communication with the liquid guide pipe, and a knob is rotatably connected to the outside of the plug.

[0010] Preferably, the operating platform is provided with a control assembly, the control assembly comprises a control knob arranged outside the control pump, a torsional spring is arranged at the connecting shaft of the control knob and the operating platform, and the winding direction of the torsional spring is the same as the zero return direction of the control knob.

[0011] Preferably, the outside of the control knob is provided with a connecting plate, the outside of the connecting plate is connected with a traction belt, the operating platform is provided with a rotating plate, both ends of the rotating plate are provided with connecting knobs, and any connecting knob is connected with a pull ring arranged at the free end of the traction belt.

[0012] Preferably, a rotating rod is rotatably clamped on the operating platform, a rotating plate is slidably clamped on the rotating rod through a sliding groove, a screw rod is coaxially connected to the rotating rod, a gland is screwed to the top end of the screw rod, and the bottom surface of the gland is in extrusion contact with the top end of the rotating plate.

[0013] Preferably, an indicating groove is arranged on the operating platform, a sliding block is slidably clamped in the indicating groove, a sliding knob is connected to the top end of the sliding block, a scale is arranged on one side of the indicating groove, and the corresponding scale position of the sliding block in the indicating groove corresponds to the reading of the concentration sensor.

[0014] Preferably, a control frame is arranged outside the connecting knob which is not connected with the pull ring.

[0015] The principle and beneficial effects of the technical solution are as follows: (1) The detection assembly and the control assembly arranged in the present application can be used in cooperation, so that the concentration of the anesthetic at the end of the patient's breath can guide the anesthetic pumping concentration of the control pump on the operating platform. When the patient uses the anesthetic machine for anesthesia, the control pump will perform anesthesia on the patient through the gas return pipe, the gas inlet pipe and the connecting pipe. When the detection assembly needs to detect the end concentration of the anesthetic, the top plate coaxially connected to the top end of the connecting rod will move downward by a certain distance along the sliding sleeve, and at the same time, the maximum pumping pressure of the control pump can be limited by the spring arranged between the top plate and the top surface of the connecting pipe.

[0016] (2) The liquid discharge assembly provided in the present application can collect the condensed water condensed by the control valve port communicated with the gas return port, facilitate the maintenance of the device by medical staff, and reduce the influence caused by the accumulation of condensed water in the device. When the gas return port returns gas, the water vapor in the exhaled gas of the patient will condense at the bottom end of the ceramic sheet. After accumulating at the bottom end of the ceramic sheet, it will drip into the collection cylinder. The condensed water in the collection cylinder will accumulate in the collection cylinder. After each anesthesia is completed, the plug is opened by rotating the knob, and the condensed water collected in the collection cylinder is discharged out of the device through the liquid guide pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the structure after splitting of the present application; Figure 3 It is Figure 2 an enlarged structural schematic diagram of area A in the present application; Figure 4 It is a schematic diagram of the structure after cutting of the present application; The reference signs in the drawings of the specification include: 1, operation platform; 2, control pump; 3, sodium lime tank; 4, collection cylinder; 5, knob; 6, plug; 7, control bin; 8, liquid guide pipe; 9, gas return pipe; 10, connecting pipe; 11, gas inlet pipe; 12, screw sleeve; 13, control frame; 14, slide button; 15, sliding block; 16, connecting button; 17, indicating groove; 18, rotating plate; 19, traction belt; 20, pull ring; 21, screw rod; 22, control button; 23, connecting plate; 24, rotating rod; 25, ceramic sheet; 26, supporting plate; 27, sliding groove; 28, connecting rod; 29, concentration sensor; 30, top plate; 31, spring; 32, sliding sleeve; 33, guide block; 34, clamping groove; 35, breathing mask. DETAILED DESCRIPTION

[0018] The present application will be further described in detail below in combination with the drawings and embodiments: Embodiment:

[0019] As Figures 1 to 4 shown, the present application provides a kind of anesthesia device for facilitating the concentration of anesthetic, including operation platform 1 and detection component, operation platform is set in anesthetic machine side, operation platform 1 is provided with control pump 2, operation platform 1 bottom is provided with sodium lime tank 3, operation platform 1 one end is provided with gas return port and gas outlet, sodium lime tank 3 and control pump 2 are connected with gas return port and gas outlet respectively through air guide pipe, gas return port and gas outlet end are connected with gas return pipe 9 and gas inlet pipe 11 respectively, gas return pipe 9 and gas inlet pipe 11 free end are connected with breathing mask 35 through connecting pipe 10.

[0020] AsFigure 2 and Figure 4 As shown, the detection assembly includes a connecting rod 28 that is slidably mounted on the top of the connecting tube 10, and a concentration sensor 29 is provided at the bottom of the connecting rod 28. The outer diameter of the concentration sensor 29 is the same as the inner diameter of the connecting tube 10.

[0021] like Figure 2 and Figure 4 As shown, a sliding sleeve 32 is screwed to the outside of the connecting rod 28 through a screw sleeve 12. A guide block 33 is provided on the outside of the sliding sleeve 32. A slot 34 is provided on the inner side wall of the connecting pipe 10. The guide block 33 is slidably locked in the slot 34. A top plate 30 is connected to the top of the connecting rod 28. The bottom surface of the top plate 30 is connected to the top surface of the connecting pipe 10 through a spring 31.

[0022] like Figure 3 As shown, the return air port and the outlet air port are respectively connected to two control valve ports. The inner wall of the top of each of the two control valve ports is provided with multiple support plates 26. The top of the support plate 26 is provided with ceramic plates 25. The bottom of the return air port is provided with a drain assembly.

[0023] like Figure 2 As shown, the drainage assembly includes a collection cylinder 4 connected to the return air port. The bottom end of the collection cylinder 4 is connected to a liquid guide pipe 8. A control chamber 7 is provided on the liquid guide pipe 8. A stopcock 6 is rotatably locked inside the control chamber 7. The stopcock 6 is connected to the liquid guide pipe 8. A knob 5 is rotatably connected to the outside of the stopcock 6.

[0024] The drainage assembly can collect the condensate from the control valve port connected to the return air port, which facilitates maintenance by medical staff and reduces the impact of condensate accumulation inside the device. When the return air port is used for return air, the water vapor in the patient's exhaled air will condense at the bottom of the ceramic plate 25. After accumulating at the bottom of the ceramic plate 25, it will drip into the collection cylinder 4. The condensate entering the collection cylinder 4 will accumulate in the collection cylinder 4. After each anesthesia is completed, the stopcock 6 can be turned by the knob 5 to connect the stopcock 6 and the liquid guide tube 8, and the condensate collected in the collection cylinder 4 will be discharged from the device through the liquid guide tube 8.

[0025] like Figure 1 and Figure 3 As shown, the operating platform 1 is equipped with a control component, which includes a control button 22 located on the outside of the control pump 2. A torsion spring is provided at the connection between the control button 22 and the operating platform 1. The winding direction of the torsion spring is the same as the zero-turn direction of the control button 22.

[0026] like Figure 1 and Figure 3 As shown, a connecting plate 23 is provided on the outside of the control button 22, and a traction belt 19 is connected to the outside of the connecting plate 22. A rotating plate 18 is provided on the operating platform 1, and connecting buttons 22 are provided at both ends of the rotating plate 18. Any connecting button 22 is connected to a pull ring 20 provided at the free end of the traction belt 19.

[0027] As shown in Figure 1 and Figure 3 , the operation platform 1 is provided with a rotating card on which a rotating rod 24 is arranged, the top end of the rotating rod 24 is slidably arranged with a rotating plate 18 through a sliding groove 27, the rotating rod 24 is coaxially connected with a screw rod 21, the top end of the screw rod 21 is screwed with a gland, and the bottom surface of the gland is in extrusion contact with the top end of the rotating plate 18.

[0028] As shown in Figure 1 , Figure 3 and Figure 4 , the operation platform 1 is provided with an indicating groove 17, the indicating groove 17 is slidably arranged with a sliding block 15, the top end of the sliding block 15 is connected with a sliding button 14, one side of the indicating groove 17 is provided with a scale, and the corresponding scale position of the sliding block 15 in the indicating groove 17 corresponds to the reading of the concentration sensor 29.

[0029] As shown in Figure 3 , the outer side of the sliding button 14 is provided with a control box 13, and the control box 13 is sleeved outside the connecting button 16 which is not connected with the pull ring 20.

[0030] The specific use and effect of the embodiment are as follows: The detection assembly and the control assembly provided in the present application can be used in cooperation, so that the concentration of the anesthetic at the end of the patient's breath can guide the control of the anesthetic pump-out concentration of the control pump 2 on the operation platform 1. When the patient uses the anesthetic machine for anesthesia, the control pump 2 will perform anesthesia on the patient through the gas return pipe 9, the gas inlet pipe 11 and the connecting pipe 10. When the detection assembly needs to detect the end concentration of the anesthetic, the top plate 30 coaxially connected to the top end of the connecting rod 28 is rotated, and the screw sleeve 12 provided on the outer side of the connecting rod 28 will move downward by a certain distance along the sliding sleeve 32, and at the same time, the maximum pump-out pressure of the control pump 2 can be limited through the spring 31 arranged between the top plate 30 and the top surface of the connecting pipe 10. When the anesthetic concentration detected by the concentration sensor 29 does not meet the requirements of the patient, since the corresponding scale position of the sliding block 15 slidably arranged in the indicating groove 17 on the operation platform 1 corresponds to the reading of the concentration sensor 29, the sliding button 14 connected to the top end of the sliding block 15 will move synchronously to drive the control box 13 to move. During the movement of the control box 13, the connecting button 16 will be pushed, so that the rotating plate 18 provided with the connecting button 16 rotates along the rotating rod 24 rotatably arranged on the operation platform 1. During the rotation of the rotating rod 24, the connecting plate 23 connected to the free end of the traction belt 19 will be driven to rotate by pulling the traction belt 19 connected to one end of the rotating rod 24 through the pull ring 20. The through-hole control knob 22 controls the control knob 22 to adjust the anesthetic concentration of the control pump 2, so that the end concentration of the anesthetic matches the anesthetic concentration required by the patient. The user can slide the rotating plate 18 along the sliding groove 27 to change the relative position of the rotating plate 18 and the rotating rod 24, and by changing the relative distance between the two connecting buttons 16 and the rotating rod 24, the concentration adjustment ratio of different anesthetics can be corresponded.

[0031] The above is only an embodiment of the present application, and the specific technical solutions and / or common knowledge of the scheme are not described in detail. It should be pointed out that for those skilled in the art, without departing from the technical solutions of the present application, a number of 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 practicality of the patent. The protection scope claimed in this application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. An anesthetic device that facilitates adjustment of anesthetic concentration, characterized by: The utility model provides an anesthesia machine, including operation platform (1) and detection component, operation platform is arranged in anesthetic machine one side, control pump (2) is arranged on operation platform (1), the bottom of operation platform (1) is provided with sodium lime jar (3), one end of operation platform (1) is provided with back gas port and gas outlet, sodium lime jar (3) and control pump (2) are connected with back gas port and gas outlet respectively through gas pipeline, back gas port and gas outlet end are connected with back gas pipe (9) and air inlet pipe (11) respectively, back gas pipe (9) and air inlet pipe (11) free end are connected with breathing mask (35) through connecting pipe (10) in common.

2. The anesthesia device of claim 1, wherein: The detection component includes a connecting rod (28) that is slidably clamped at the top end of the connecting pipe (10), and a concentration sensor (29) is arranged at the bottom end of the connecting rod (28), wherein the outer diameter of the concentration sensor (29) is the same as the inner diameter of the connecting pipe (10).

3. The anesthesia device of claim 2, wherein: A sliding sleeve (32) is screwed to the outer side of the connecting rod (28) through a screw sleeve (12), a guide block (33) is arranged on the outer side of the sliding sleeve (32), a clamping groove (34) is formed on the inner side wall of the connecting pipe (10), the guide block (33) is slidably clamped in the clamping groove (34), a top plate (30) is connected to the top end of the connecting rod (28), and the bottom surface of the top plate (30) is connected to the top surface of the connecting pipe (10) through a spring (31).

4. The anesthesia device of claim 3, wherein: Two control valve ports are connected to the back gas port and the gas outlet respectively, a plurality of supporting plates (26) are arranged on the inner wall of the top end of the two control valve ports, a ceramic sheet (25) is arranged on the top end of each supporting plate (26), and a liquid discharge assembly is arranged at the bottom end of the back gas port.

5. The anesthesia device of claim 4, wherein: The liquid discharge assembly includes a collection cylinder (4) that is in communication with the back gas port, a liquid guide pipe (8) is connected to the bottom end of the collection cylinder (4), a control chamber (7) is arranged on the liquid guide pipe (8), a plug (6) is rotatably clamped in the control chamber (7), the plug (6) is in communication with the liquid guide pipe (8), and a knob (5) is rotatably connected to the outer side of the plug (6).

6. The anesthesia device of claim 5, wherein: A control assembly is arranged on the operation platform (1), the control assembly includes a control knob (22) that is arranged on the outer side of the control pump (2), a torsional spring is arranged at the connecting shaft of the control knob (22) and the operation platform (1), and the winding direction of the torsional spring is the same as the zero return direction of the control knob (22).

7. The anesthesia device of claim 6, wherein: A connecting plate (23) is arranged on the outer side of the control knob (22), a traction belt (19) is connected to the outer side of the connecting plate (22), a rotating plate (18) is arranged on the operation platform (1), connecting knobs (22) are arranged at both ends of the rotating plate (18), and any connecting knob (22) is connected to a pull ring (20) that is arranged at the free end of the traction belt (19).

8. The anesthesia device of claim 7, wherein: A rotating rod (24) is rotatably clamped on the operation platform (1), the rotating plate (18) is slidably clamped on the top end of the rotating rod (24) through a sliding groove (27), a screw rod (21) is coaxially connected to the rotating rod (24), a gland is screwed to the top end of the screw rod (21), and the bottom surface of the gland is in pressing contact with the top end of the rotating plate (18).

9. The anesthesia device of claim 8, wherein: The operation platform (1) is provided with an indicating groove (17), a sliding block (15) is clamped and slidably arranged in the indicating groove (17), the sliding block (15) is provided at the top end with a sliding button (14), one side of the indicating groove (17) is provided with a scale, and the corresponding scale position of the sliding block (15) in the indicating groove (17) corresponds to the indication of the concentration sensor (29).

10. The anesthesia device of claim 9, wherein: The outer side of the sliding button (14) is provided with a control frame (13), and the control frame (13) is sleeved outside the connecting button (16) which is not connected with the pull ring (20).

Citation Information

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