Anesthesia breathing circuit heating device and anesthesia machine having the same

Abstract

The present invention discloses an anesthetic breathing circuit heating device, comprising an anesthetic breathing circuit, a heating element, a pressure cover device and a power supply device. The anesthetic breathing circuit cooperates with the heating element. The heating element comprises an electric heating plate unit, an electric heating wire unit and a temperature sensor. The electric heating plate unit is bonded to the anesthetic breathing circuit. The electric heating wire unit comprises a spiral wire and a terminal. The present invention also discloses an anesthesia machine, comprising the anesthetic breathing circuit heating device, and also comprising a gas supply device, a breathing circuit device and a monitoring device. The monitoring device is electrically connected to the breathing circuit device. On the basis of the prior art, the structure of the anesthetic breathing circuit heating device is improved, and the mutual cooperation of the electric heating plate unit, the electric heating wire unit and the temperature sensor is utilized so that the temperature in the breathing circuit can be kept constant, thereby avoiding the problem of water accumulation in the anesthetic breathing circuit after long-term use by the user.

Description

Technical Field

[0001] The present invention relates to the technical field of anesthesia medical machinery, and in particular to an anesthesia breathing circuit heating device and an anesthesia machine having the component. Background Art

[0002] The anesthesia breathing circuit plays an important role in the entire anesthesia machine. During use, the temperature of the exhaled gas of the patient is higher than the ambient temperature, which easily forms condensation at the exhalation port of the anesthesia breathing circuit. Over time, water will accumulate inside the circuit, affecting the overall performance of the anesthesia machine. Summary of the invention

[0003] In order to solve the problem of condensed water accumulation in the anesthesia machine in the prior art, the present invention provides an anesthesia breathing circuit heating device and an anesthesia machine having the component.

[0004] A heating device for an anesthetic breathing circuit comprises an anesthetic breathing circuit, a heating element, a gland device and a power supply device, wherein the anesthetic breathing circuit is arranged on the upper side of the gland device and cooperates with the heating element, the gland device is threadedly connected to the anesthetic breathing circuit and is arranged on the lower side of the anesthetic breathing circuit, the power supply device is electrically connected to the heating element, the heating element comprises an electric heating plate unit, an electric heating wire unit and a temperature sensor, the temperature sensor is arranged inside the anesthetic breathing circuit, the electric heating plate unit is arranged on the lower side of the anesthetic breathing circuit and is bonded to the anesthetic breathing circuit, the electric heating wire unit comprises a spiral wire and a terminal, the spiral wire is arranged inside the anesthetic breathing circuit, the terminal is fixedly connected to the spiral wire and is arranged at both ends of the spiral wire.

[0005] Among them, the electric heating plate unit includes an electrical connector, a heating plate and an insulating plate. The electrical connector is arranged at the bottom of the heating plate and is electrically connected to the power supply device. The heating plate is arranged at the lower side of the anesthesia breathing circuit and is clamped with the anesthesia breathing circuit. The insulating plate is arranged at the lower side of the heating plate and is abutted against the pressure cover device.

[0006] Among them, the electric heating plate unit also has a through hole, a threaded hole and an adhesive layer. The through hole is arranged inside the electric heating plate unit and matches the anesthesia breathing circuit. The adhesive layer is arranged on the upper side of the heating plate and is bonded to the anesthesia breathing circuit. The threaded hole passes through the isolation plate.

[0007] Among them, the gland device has a threaded groove and a through groove, the threaded groove passes through the gland device and is connected with the threaded hole, the threaded groove is arranged around the through groove, the through groove cooperates with the anesthesia breathing circuit, and is arranged on the upper side of the gland device.

[0008] Wherein, the anesthesia breathing circuit includes a special-shaped boss and a control panel, the control panel is located inside the anesthesia breathing circuit and is electrically connected to the temperature sensor, and the special-shaped boss is arranged on the lower side of the anesthesia breathing circuit and fits with the through groove.

[0009] The anesthesia breathing circuit has a breathing tube and a connector, wherein the connector is arranged on the outside of the anesthesia breathing circuit and fits with the wiring terminal, and the breathing tube is wrapped around the heating wire unit and connected to the outside through the connector.

[0010] The special-shaped boss has an air pipe and a protruding head, wherein the air pipe is arranged inside the protruding head, the protruding head passes through the through hole and is externally connected to a soda lime tank, and the air pipe connects the breathing duct and the external soda lime tank.

[0011] The present invention also provides an anesthesia machine, comprising the above-mentioned anesthesia breathing circuit heating device, and also comprising a gas supply device, a breathing circuit device and a monitoring device, wherein the gas supply device is connected to the breathing circuit device, the monitoring device is arranged on the outside of the breathing circuit device and is electrically connected to the breathing circuit device, and the anesthesia breathing circuit heating device is arranged at the end of the breathing circuit device.

[0012] The beneficial effects of the present invention are as follows: on the basis of the prior art, the structure of the anesthesia breathing circuit heating device is improved, and the temperature in the breathing circuit can be kept constant by utilizing the cooperation of the heating plate unit, the heating wire unit and the temperature sensor, thereby avoiding the problem of water accumulation in the anesthesia breathing circuit after long-term use by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The present invention is a schematic structural diagram of an anesthesia breathing circuit heating device.

[0015] Figure 2 The present invention is a schematic cross-sectional structural diagram of an electric heating plate unit of an anesthesia breathing circuit heating device.

[0016] Figure 3 The present invention is a schematic diagram of the cross-sectional structure of an anesthesia breathing circuit of an anesthesia breathing circuit heating device.

[0017] Figure 4 The present invention is a schematic diagram of the structure of an anesthesia breathing circuit of an anesthesia breathing circuit heating device viewed from above.

[0018] Figure 5 The present invention is a schematic structural diagram of an anesthesia machine.

[0019] 10-anesthesia breathing circuit, 20-heating element, 30-pressure cover device, 40-power supply device, 50-gas supply device, 60-breathing circuit device, 70-monitoring device, 11-special-shaped boss, 12-control panel, 13-breathing tube, 14-connector, 21-electric heating plate unit, 22-electric heating wire unit, 23-temperature sensor, 31-threaded groove, 32-through groove, 111-trachea, 112-protruding head, 211-electric connector, 212-heating plate, 213-isolating plate, 214-adhesive layer, 215-threaded hole, 216-through hole, 221-spiral wire, 222-terminal, 2121-heat-conducting metal plate, 2122-electric heating pipe, 2123-sheath, 2124-connecting protrusion, 2125-positioning column. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] See also Figures 1 to 5 , the present invention provides a technical solution:

[0023] A heating device for an anesthetic breathing circuit 10 comprises an anesthetic breathing circuit 10, a heating element 20, a gland device 30 and a power supply device 40, wherein the anesthetic breathing circuit 10 is arranged on the upper side of the gland device 30 and cooperates with the heating element 20, the gland device 30 is threadedly connected to the anesthetic breathing circuit 10 and is arranged on the lower side of the anesthetic breathing circuit 10, the power supply device 40 is electrically connected to the heating element 20, the heating element 20 comprises an electric heating plate unit 21, an electric heating wire unit 22 and a temperature sensor 23, the temperature sensor 23 is arranged inside the anesthetic breathing circuit 10, the electric heating plate unit 21 is arranged on the lower side of the anesthetic breathing circuit 10 and is bonded to the anesthetic breathing circuit 10, the electric heating wire unit 22 comprises a spiral wire 221 and a terminal 222, the spiral wire 221 is arranged inside the anesthetic breathing circuit 10, the terminal 222 is fixedly connected to the spiral wire 221 and is arranged at both ends of the spiral wire 221.

[0024] In this embodiment, the anesthetic breathing circuit 10 is used to allow the user to breathe, the heating element 20 is used to heat to keep the temperature in the anesthetic breathing circuit 10 constant, the pressure cover device 30 is used to connect other devices, the power supply device 40 is used to provide energy to the heating element 20, the electric heating plate unit 21 is used to heat the anesthetic breathing circuit 10, and the electric heating wire unit 22 is used to heat the gas exhaled by the user, so as to avoid the phenomenon of water accumulation due to the low temperature of the gas exhaled by the user. The temperature sensor 23 is used to detect the change of temperature in the anesthetic breathing circuit 10 and transmit the detected temperature to the control panel 12, so as to complete the effective control of the electric heating plate unit 21 and the electric heating wire unit 22. The spiral wire 221 is arranged in a spirally wound strand manner and is arranged along the anesthetic breathing circuit 10, and is connected to the power supply device 40 through the terminal 222, so as to achieve heating of the anesthetic breathing circuit 10.

[0025] Furthermore, the electric heating plate unit 21 includes an electrical connector 211, a heating plate 212 and an isolation plate 213. The electrical connector 211 is arranged at the bottom of the heating plate 212 and is electrically connected to the power supply device 40. The heating plate 212 is arranged at the lower side of the anesthesia breathing circuit 10 and is clamped with the anesthesia breathing circuit 10. The isolation plate 213 is arranged at the lower side of the heating plate 212 and is abutted against the pressure cover device 30.

[0026] In this embodiment, the electrical connector 211 is used to connect the power supply device 40, the heating plate 212 is used to heat after being powered on, and the isolation plate 213 is used to prevent the heat generated by the heating plate 212 from being transferred to the pressure cover device 30, so as to enhance the heating effect of the heating plate 212 on the anesthesia breathing circuit 10.

[0027] Furthermore, the electric heating plate unit 21 also has a through hole 216, a threaded hole 215 and an adhesive layer 214. The through hole 216 is arranged inside the electric heating plate unit 21 and fits with the anesthesia breathing circuit 10. The adhesive layer 214 is arranged on the upper side of the heating plate 212 and is bonded to the anesthesia breathing circuit 10. The threaded hole 215 passes through the isolation plate 213.

[0028] In this embodiment, the through hole 216 is used to allow the anesthetic breathing circuit 10 to pass through, and the threaded hole 215 is used to allow the screw to pass through, and the threaded hole 215 cooperates with the screw to fix the electric heating plate unit 21 on the outer peripheral side of the screw, so that the electric heating plate unit 21 is fixed to the lower side of the anesthetic breathing circuit 10. The anesthetic breathing circuit 10 is provided with holes that fit with the screws. Because the holes belong to the prior art, this application does not describe them in detail. The adhesive layer 214 is used to bond the anesthetic breathing circuit 10, so that when threaded fixing is performed, the electric heating plate unit 21 can be temporarily fixed to the lower side of the anesthetic breathing circuit 10, and at the same time, it can also auxiliaryly improve the connection strength between the electric heating plate unit 21 and the anesthetic breathing circuit 10.

[0029] Furthermore, the gland device 30 has a threaded groove 31 and a through groove 32. The threaded groove 31 passes through the gland device 30 and is connected to the threaded hole 215. The threaded groove 31 is arranged around the through groove 32. The through groove 32 cooperates with the anesthesia breathing circuit 10 and is arranged on the upper side of the gland device 30.

[0030] In this embodiment, the threaded groove 31 is used for screws to fix, and the through groove 32 is used for the special-shaped boss 11 of the anesthesia breathing circuit 10 to pass through, so that the anesthesia breathing circuit 10 can be connected to an external soda lime tank.

[0031] Furthermore, the anesthesia breathing circuit 10 includes a special-shaped boss 11 and a control panel 12. The control panel 12 is located inside the anesthesia breathing circuit 10 and is electrically connected to the temperature sensor 23. The special-shaped boss 11 is arranged on the lower side of the anesthesia breathing circuit 10 and fits with the through groove 32.

[0032] In this embodiment, the control panel 12 is used to control the heating element 20, and the special-shaped boss 11 is used to connect the anesthesia breathing circuit 10 and an external soda lime tank.

[0033] Furthermore, the anesthesia breathing circuit 10 has a breathing tube 13 and a connector 14. The connector 14 is arranged on the outside of the anesthesia breathing circuit 10 and fits with the terminal 222. The breathing tube 13 is covered by the heating wire unit 22 and is connected to the outside through the connector 14.

[0034] In this embodiment, the breathing tube 13 is used to transfer the gas for the user to breathe, and the connector 14 can be connected to a mask so that the gas exhaled by the user can enter the breathing tube 13.

[0035] Furthermore, the special-shaped boss 11 has an air pipe 111 and a protruding head 112. The air pipe 111 is arranged inside the protruding head 112. The protruding head 112 passes through the through hole 216 and is externally connected to a soda lime tank. The air pipe 111 connects the breathing duct 13 and the external soda lime tank.

[0036] In this embodiment, the trachea 111 is used to transfer carbon dioxide exhaled by the user and send it to the soda lime tank for absorption, and the protruding head 112 is used to cooperate with the electric heating plate unit 21 and the pressure cover device 30, so as to improve the connection strength between the anesthesia breathing circuit 10 and the soda lime tank.

[0037] Furthermore, the heating plate 212 includes a heat-conducting metal plate 2121, an electric heating tube 2122 and a protective layer 2123. The heat-conducting metal plate 2121 is arranged on the upper and lower sides of the electric heating tube 2122, the protective layer 2123 is connected to the heat-conducting metal plate 2121, and the electric heating tube 2122 is spirally arranged between the heat-conducting metal plates 2121.

[0038] In this embodiment, the heat-conducting metal plate 2121 is used to transfer the heat generated by the heating plate 212. The electric heating tube 2122 generates heat after being energized. The protective layer 2123 is used to seal the space between the heat-conducting metal plates 2121 to reduce heat loss and avoid burns caused by accidentally touching the electric heating tube 2122, thereby improving the safety of the heating plate 212.

[0039] Furthermore, the heating plate 212 also has a connecting protrusion 2124 and a positioning column 2125. The connecting protrusion 2124 is arranged on the outer peripheral side of the heat-conducting metal plate 2121 and is clamped with the isolation plate 213. The positioning column 2125 is arranged inside the heat-conducting metal plate 2121 and abuts against the electric heating tube 2122.

[0040] In this embodiment, the connecting protrusion 2124 is used to fix the isolation plate 213, so that the isolation plate 213 and the heating plate 212 can be fixed, and the positioning column 2125 is used to fix the electric heating tube 2122, so that the electric heating tube 2122 can be evenly distributed inside the heating plate 212, thereby effectively improving the heating effect of the heating plate 212.

[0041] The present invention also provides an anesthesia machine, comprising the above-mentioned anesthesia breathing circuit 10 heating device, and also comprising a gas supply device 50, a breathing circuit device 60 and a monitoring device 70, wherein the gas supply device 50 is connected to the breathing circuit device 60, the monitoring device 70 is arranged on the outside of the breathing circuit device 60 and is electrically connected to the breathing circuit device 60, and the anesthesia breathing circuit 10 heating device is arranged at the end of the breathing circuit device 60.

[0042] In this embodiment, the gas supply device 50 is used to provide oxygen, the breathing circuit device 60 is used to circulate the exhaled gas and heat it through the heating device of the anesthesia breathing circuit 10, and the monitoring device 70 is used to detect various physiological indicators of the user to ensure the safety of the user.

[0043] Based on the prior art, the present invention improves the structure of the heating device of the anesthesia breathing circuit 10, and utilizes the cooperation between the heating plate unit 21, the heating wire unit 22 and the temperature sensor 23 so that the temperature in the breathing circuit can be kept constant, thereby avoiding the problem of water accumulation in the anesthesia breathing circuit 10 after long-term use by the user.

[0044] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. An anesthesia breathing circuit heating device, characterized in that: It includes an anesthesia breathing circuit, a heating element, a gland device and a power supply device, wherein the anesthesia breathing circuit is arranged on the upper side of the gland device and cooperates with the heating element, the gland device is threadedly connected to the anesthesia breathing circuit and is arranged on the lower side of the anesthesia breathing circuit, the power supply device is electrically connected to the heating element, the heating element includes an electric heating plate unit, an electric heating wire unit and a temperature sensor, the temperature sensor is arranged inside the anesthesia breathing circuit, the electric heating plate unit is arranged on the lower side of the anesthesia breathing circuit and is bonded to the anesthesia breathing circuit, the electric heating wire unit includes a spiral wire and a terminal, the spiral wire is arranged inside the anesthesia breathing circuit, the terminal is fixedly connected to the spiral wire and is arranged at both ends of the spiral wire; The electric heating plate unit comprises an electrical connector, a heating plate and an insulating plate, wherein the electrical connector is arranged at the bottom of the heating plate and is electrically connected to the power supply device, the heating plate is arranged at the lower side of the anesthesia breathing circuit and is clamped with the anesthesia breathing circuit, and the insulating plate is arranged at the lower side of the heating plate and is abutted with the gland device; The electric heating plate unit also has a through hole, a threaded hole and an adhesive layer, wherein the through hole is arranged inside the electric heating plate unit and fits with the anesthesia breathing circuit, the adhesive layer is arranged on the upper side of the heating plate and is bonded to the anesthesia breathing circuit, and the threaded hole passes through the isolation plate; The heating plate comprises a heat-conducting metal plate, an electric heating tube and a protective layer, wherein the heat-conducting metal plate is arranged on the upper and lower sides of the electric heating tube, the protective layer is connected to the heat-conducting metal plate, and the electric heating tube is spirally arranged between the heat-conducting metal plates; The gland device has a threaded groove and a through groove, the anesthesia breathing circuit includes a special-shaped boss, the special-shaped boss is arranged on the lower side of the anesthesia breathing circuit and fits with the through groove, the special-shaped boss has an air pipe and a raised head, the air pipe is arranged inside the raised head, the raised head passes through the through hole and is externally connected to a soda lime tank.

2. An anesthesia breathing circuit heating device as claimed in claim 1, characterized in that: The thread groove passes through the gland component and is connected with the threaded hole. The thread groove is arranged around the through groove. The through groove cooperates with the anesthesia breathing circuit and is arranged on the upper side of the gland component.

3. An anesthesia breathing circuit heating device as claimed in claim 2, characterized in that: The anesthesia breathing circuit also includes a control panel, which is located inside the anesthesia breathing circuit and is electrically connected to the temperature sensor.

4. An anesthesia breathing circuit heating device as claimed in claim 3, characterized in that: The anesthesia breathing circuit has a breathing tube and a connector. The connector is arranged on the outside of the anesthesia breathing circuit and fits with the wiring terminal. The breathing tube is wrapped around the heating wire unit and is connected to the outside through the connector.

5. The anesthesia breathing circuit heating device according to claim 4, characterized in that: The trachea is connected to the breathing duct and an external soda lime tank.

6. An anesthesia machine, comprising an anesthesia breathing circuit heating device as claimed in claim 5, characterized in that: It also includes a gas supply device, a breathing circuit device and a monitoring device, wherein the gas supply device is connected to the breathing circuit device, the monitoring device is arranged on the outside of the breathing circuit device and is electrically connected to the breathing circuit device, and the anesthesia breathing circuit heating device is arranged at the end of the breathing circuit device.

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