CN110664479A - Gas flow rate adjusting device for controlling gas supply device and jet stripping system - Google Patents
Gas flow rate adjusting device for controlling gas supply device and jet stripping system Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3203—Fluid jet cutting instruments
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
- A61B2017/00544—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated pneumatically
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3203—Fluid jet cutting instruments
- A61B2017/32035—Fluid jet cutting instruments with gas or air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
Abstract
The invention relates to the technical field of surgical instruments, in particular to a gas flow velocity adjusting device for controlling a gas supply device in a gas-jet stripping system and the gas-jet stripping system; comprises an air-jet stripping electric cutting head, a metal air delivery pipe and a handle which are sequentially connected and communicated; one end of the handle is communicated with the gas supply device through a gas pipe; the air pipe is communicated with a pneumatic control valve; the air pipe is also communicated with a gas flow velocity sensor; the controller is used for receiving the gas flow rate value acquired by the gas flow rate sensor, comparing the acquired gas flow rate value with a preset gas flow rate threshold value, editing the acquired gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flow speed of the gas in the gas pipe; the technical problem that the operation treatment cannot be accurately realized because the air jet separation cannot be effectively realized aiming at the side surfaces or the back surfaces of organs and tissues in the deep abdominal cavity by the design of the air flow speed adjusting device and the air jet stripping control system is solved.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a gas flow rate adjusting device for controlling a gas supply device in a gas-jet stripping system and the gas-jet stripping system.
Background
Laparoscopic surgery is a procedure that utilizes a laparoscope and its associated instruments. In order to ensure that the laparoscopic surgery has enough space for operation, the abdominal cavity needs to be continuously perfused and carbon dioxide gas is supplied to establish artificial pneumoperitoneum, which is a necessary condition for the laparoscopic surgery.
However, the existing devices can only inject gas into the abdominal cavity, and during the laparoscopic surgery operation, when the deep abdominal cavity organs, the side surfaces or the back surfaces of the tissue organs are dissected, or when the inflamed organs are closely adhered to the surrounding tissues and need to be separated, or the dissected organs are surrounded by important tissues such as blood vessels and nerves, the existing laparoscopic conventional instruments are difficult to dissect, and the simple electrical cutting of the tissues may cause unexpected bleeding, electrical burns or side damage to the important organs. The prior art does not have an air-jet separation device for the side or back of deep abdominal organs and tissue organs and an air-jet control system for the air-jet separation device.
Therefore, in view of the above problems, the present invention is directed to a gas flow rate adjusting device for controlling a gas supply device in a gas stripping system and a gas stripping system.
Disclosure of Invention
The invention aims to provide a gas flow rate adjusting device for controlling a gas supply device in a gas jet stripping system and the gas jet stripping system, which solve the technical problems that the gas jet separation cannot be effectively realized and the surgical treatment cannot be accurately realized when the close adhesion exists on the side surface or the back surface of a deep abdominal cavity organ, a tissue and an inflamed organ and the surrounding tissue in the prior art through the design of the gas flow rate adjusting device and the gas jet stripping control system.
The invention provides a gas flow rate adjusting device for controlling a gas supply device in a gas-jet stripping system, which comprises a gas-jet stripping electric cutting head, a metal gas conveying pipe and a handle, wherein the gas-jet stripping electric cutting head, the metal gas conveying pipe and the handle are sequentially connected and communicated; one end of the handle is communicated with the gas supply device through a gas pipe;
the air pipe is communicated with a pneumatic control valve for controlling the air supply device to deliver air with a certain flow rate to the handle;
the gas pipe is also communicated with a gas flow velocity sensor which is used for monitoring the flow velocity of the conveyed gas in real time and sending the collected gas flow velocity value to the controller;
the controller is used for receiving the gas flow rate value acquired by the gas flow rate sensor, comparing the acquired gas flow rate value with a preset gas flow rate threshold value, editing the acquired gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flow speed of the gas in the gas pipe; when the collected gas flow rate value exceeds or is lower than a preset gas flow rate threshold value, the controller converts the collected gas flow rate value into an electric signal and sends the electric signal to the pneumatic control valve, and the pneumatic control valve adjusts the gas flow rate to the preset gas flow rate threshold value according to the received electric signal.
Preferably, the system further comprises a manual input gas flow rate acquisition module, which is used for acquiring the gas output flow rate value and sending the acquired gas output flow rate value to the controller; and the controller is used for receiving the gas output flow rate value sent by the manual input gas flow rate acquisition module, editing the gas output flow rate value into an electric signal and sending the electric signal to the pneumatic control valve, and the pneumatic control valve controls the gas flow rate value output by the gas supply device to be consistent with the gas output flow rate value acquired by the manual input gas flow rate acquisition module according to the received electric signal.
Preferably, the device further comprises a display module; the manual input gas flow rate acquisition module, the gas flow rate sensor and the display module are all electrically connected with the controller, and the display module is used for displaying the gas flow rate value acquired by the manual input gas flow rate acquisition module and displaying the gas flow rate value acquired by the gas flow rate sensor in real time.
Preferably, the air-jet stripping electric cutter comprises a metal pipe body; one end of the metal pipe body is closed, the other end of the metal pipe body is provided with an air inlet port communicated with the air flow channel, and an air outlet port communicated with the air flow channel is arranged at the closed position of the metal pipe body or/and on the outer side wall of the metal pipe body close to the closed position of the metal pipe body; the inner diameter of the gas flow passage is gradually reduced from the gas inlet port to the gas outlet port.
Preferably, the metal pipe body sequentially comprises a connecting section, a transition section connected with the top of the connecting section and a bending section connected with the top of the transition section from bottom to top, and an included angle between the transition section and the bending section is 90-180 degrees; wherein the longitudinal section of the connecting section is trapezoidal or square; the air outlet port is arranged on the bending section; the outer walls of the connecting section and the transition section are coated with insulating coatings.
Preferably, the inner diameter of the inlet port is 1.5mm-15 mm; the inner diameter of the air outlet port is 0.1mm-10 mm; the height of the metal pipe body is 5mm-50 mm.
Preferably, the side wall of the transition section is provided with a transition section gas nozzle communicated with the gas flow channel; the transition section air outlet and the air outlet are arranged on the same side; the internal diameter of the transition section gas nozzle is 0.1-10 mm.
The present invention also includes a gas jet stripping system including a gas flow rate adjusting device that controls a gas supply device in the gas jet stripping system as described in any one of the above; the outer side wall of the metal gas transmission pipe is provided with a conductive column, and the conductive column is electrically connected with the high-frequency electric excision electric coagulation device through an electric wire.
Preferably, the metal air pipe is detachably connected with the handle; the gas transmission metal pipe and the air-jet stripping electric cutting head are detachably connected or integrally formed; the handle is detachably connected with the air pipe or is in hot melting connection with the air pipe.
Preferably, the handle is provided with a gas transmission inlet communicated with the gas supply device and a gas transmission outlet communicated with the metal gas transmission pipe, a gas transmission flow passage communicated with the gas transmission inlet and the gas transmission outlet is arranged in the handle, and the gas transmission inlet of the handle is communicated with the gas pipe.
Compared with the prior art, the gas flow rate adjusting device for controlling the gas supply device in the gas jet stripping system and the gas jet stripping system provided by the invention have the following advantages:
1. the electric cutting head comprises an air injection stripping electric cutting head, a metal air delivery pipe and a handle which are sequentially connected and communicated; one end of the handle is communicated with the gas supply device through a gas pipe; the air pipe is communicated with a pneumatic control valve for controlling the air supply device to deliver air with a certain flow rate to the handle; the gas pipe is also communicated with a gas flow velocity sensor which is used for monitoring the flow velocity of the conveyed gas in real time and sending the collected gas flow velocity value to the controller; the controller is used for receiving the gas flow rate value acquired by the gas flow rate sensor, comparing the acquired gas flow rate value with a preset gas flow rate threshold value, editing the acquired gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flow speed of the gas in the gas pipe; when the collected gas flow velocity value exceeds or is lower than a preset gas flow velocity threshold value, the controller converts the collected gas flow velocity value into an electric signal and sends the electric signal to the pneumatic control valve, the pneumatic control valve adjusts the gas flow velocity to the preset gas flow velocity threshold value according to the received electric signal, the gas supply device is started, the gas is input into the handle from the gas pipe, enters the metal gas pipe through the handle and is sprayed out from the gas spraying stripping electric cutting head at one end of the metal gas pipe, the gas flow velocity sensor in the gas pipe monitors the gas pipe flow velocity in real time to ensure the flow velocity of the gas entering the handle, the spraying velocity of the gas is calculated according to the inner diameter sizes of the metal gas pipe and the gas spraying stripping electric cutting head, the kinetic energy of gas spraying is ensured, the separation of deep part of an abdominal cavity and tight tissue organs adhered to each other is facilitated, potential gaps in the abdominal cavity, Compared with the existing laparoscopic surgical instrument, the precise and safe dissection operation has the advantages of more precise dissection and stripping, more convenient and faster operability and higher safety; the gas flow velocity sensor can monitor the flow velocity of gas in real time, guarantee stable conveying of the gas and guarantee kinetic energy of gas spraying.
2. The manual input gas flow rate acquisition module is used for acquiring a gas output flow rate value and sending the acquired gas output flow rate value to the controller; the controller, a gaseous output velocity of flow value for receiving manual input gas velocity of flow collection module transmission, and edit into the signal of flow and send for pneumatic control valve, pneumatic control valve is according to the unanimous design of the gaseous velocity of flow value of the gaseous feed arrangement output of signal of received electric control and the gaseous output velocity of flow value that manual input gas velocity of flow collection module gathered, make things convenient for the operator to manually input gas velocity of flow value, can be according to the condition of reality, the gaseous velocity of flow value of manual input, reach the gaseous blowout speed that wants, guarantee gaseous spun kinetic energy, make the internal organs that need treat produce the clearance, make things convenient for the operation cutting operation, avoid the damage of other tissues, this design convenient operation, and the efficiency of the operation is improved.
3. The invention comprises a display module; manual input gas flow velocity collection module, gas flow velocity sensor, display module all is connected with the controller electricity, display module is used for showing the gas flow velocity value that manual input gas flow velocity collection module gathered, the design of the gas flow velocity value that shows gas flow velocity sensor and gather in real time, make things convenient for operation operating personnel direct observation gas flow velocity, clearly know gas spun speed, kinetic energy when guaranteeing the blowout, make the internal organs that need the treatment produce the clearance, make things convenient for the operation cutting operation, avoid the damage of other tissues, this design is convenient to operate, the efficiency of the operation is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a circuit diagram of the gas flow rate regulating device according to the first embodiment;
FIG. 2 is a schematic structural view (front side view) of the gas flow rate regulating device according to the first embodiment;
FIG. 3 is a schematic view (front cross-sectional view) of the handle according to the first embodiment;
FIG. 4 is a schematic structural view (main side view) of the air-jet stripping electrical cutting head according to the first embodiment;
FIG. 5 is a schematic structural view (main side cross-sectional view) of the air-jet stripping electric cutting head according to the first embodiment;
FIG. 6 is a schematic structural view (main side cross-sectional view) of the air-jet stripping electric cutting head according to the first embodiment;
FIG. 7 is a schematic structural view (main side cross-sectional view) of the air-jet stripping electric cutting head according to the first embodiment;
FIG. 8 is a schematic structural view (bottom view) of the air-jet stripping electric cutting head according to the first embodiment;
FIG. 9 is a schematic structural view (front cross-sectional view) of the air-jet stripping electric cutting head according to the second embodiment;
FIG. 10 is a schematic structural view (front cross-sectional view) of the air-jet stripping electric cutting head according to the second embodiment;
FIG. 11 is a schematic structural view (main side view) of the air-jet stripping electric cutting head according to the third embodiment;
FIG. 12 is a schematic structural view (front side view) of the air-jet stripping resecting device for laparoscopic surgery according to the fourth embodiment;
FIG. 13 is a schematic structural view (main side sectional view) of the handle described in the fourth embodiment;
fig. 14 is a schematic structural view (front sectional view) of an air-jet stripping electric cutting head in the fifth embodiment.
Description of reference numerals:
1. a metal pipe body; 4. a gas flow channel; 2. an air inlet port; 3. an air outlet port; 101. a connecting section; 102. a transition section; 103. bending the section; 6. a transition section air jet; 7. a metal gas delivery pipe; 8. a handle; 9. a conductive post; 10. a conductive post insulating sleeve; 81. a gas delivery inlet; 82. a gas delivery flow channel; 83. a gas delivery outlet.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1 and fig. 2, the present embodiment provides a gas flow rate adjusting device for controlling a gas supply device in a gas jet stripping system, which includes a gas jet stripping electric cutting head, a metal gas pipe 7, and a handle 8, which are connected in sequence and are through; one end of the handle 8 is communicated with the gas supply device through a gas pipe 11; the air pipe 11 is communicated with a pneumatic control valve for controlling the air supply device to deliver air with a certain flow rate to the handle 8; the gas pipe 11 is also communicated with a gas flow velocity sensor for monitoring the flow velocity of the conveyed gas in real time and sending the collected gas flow velocity value to the controller; the controller is used for receiving the gas flow rate value acquired by the gas flow rate sensor, comparing the acquired gas flow rate value with a preset gas flow rate threshold value, editing the acquired gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flow speed of the gas in the gas pipe 11; when the collected gas flow rate value exceeds or is lower than a preset gas flow rate threshold value, the controller converts the collected gas flow rate value into an electric signal and sends the electric signal to the pneumatic control valve, and the pneumatic control valve adjusts the gas flow rate to the preset gas flow rate threshold value according to the received electric signal.
The electric cutting head comprises an air-jet stripping electric cutting head, a metal air delivery pipe 7 and a handle 8 which are sequentially connected and communicated; one end of the handle 8 is communicated with the gas supply device through a gas pipe 11; the air pipe 11 is communicated with a pneumatic control valve for controlling the air supply device to deliver air with a certain flow rate to the handle 8; the gas pipe 11 is also communicated with a gas flow velocity sensor for monitoring the flow velocity of the conveyed gas in real time and sending the collected gas flow velocity value to the controller; the controller is used for receiving the gas flow rate value acquired by the gas flow rate sensor, comparing the acquired gas flow rate value with a preset gas flow rate threshold value, editing the acquired gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flow speed of the gas in the gas pipe 11; when the collected gas flow velocity value exceeds or is lower than a preset gas flow velocity threshold value, the controller converts the collected gas flow velocity value into an electric signal and sends the electric signal to the pneumatic control valve, the pneumatic control valve adjusts the gas flow velocity to the design of the preset gas flow velocity threshold value according to the received electric signal, the gas supply device is started, gas is input into the handle 8 from the gas pipe 11 and enters the metal gas pipe 7 through the handle 8, then the gas enters the metal gas pipe 7 and is ejected from the air injection stripping electric cutting head at one end of the metal gas pipe 7, the gas flow velocity sensor in the gas pipe 11 monitors the flow velocity of the gas pipe 11 in real time to ensure the flow velocity of the gas entering the handle 8, the ejection velocity of the gas is further calculated according to the inner diameter sizes of the metal gas pipe 7 and the air injection stripping electric cutting head, the kinetic energy of the gas ejection is ensured, the separation of deep part of, the high-efficiency, accurate and safe dissection operation is convenient for an operator, and compared with the existing laparoscopic surgery instrument, the high-efficiency, accurate and safe dissection operation instrument has the advantages of more accurate dissection and stripping, more convenient and faster operability and higher safety; the gas flow velocity sensor can monitor the flow velocity of gas in real time, guarantee stable conveying of the gas and guarantee kinetic energy of gas spraying.
As shown in fig. 1, the present embodiment further includes a manual input gas flow rate collecting module, configured to collect a gas output flow rate value, and send the collected gas output flow rate value to the controller; and the controller is used for receiving the gas output flow rate value sent by the manual input gas flow rate acquisition module, editing the gas output flow rate value into an electric signal and sending the electric signal to the pneumatic control valve, and the pneumatic control valve controls the gas flow rate value output by the gas supply device to be consistent with the gas output flow rate value acquired by the manual input gas flow rate acquisition module according to the received electric signal.
The manual input gas flow rate acquisition module is used for acquiring a gas output flow rate value and sending the acquired gas output flow rate value to the controller; the controller, a gaseous output velocity of flow value for receiving manual input gas velocity of flow collection module transmission, and edit into the signal of flow and send for pneumatic control valve, pneumatic control valve is according to the unanimous design of the gaseous velocity of flow value of the gaseous feed arrangement output of signal of received electric control and the gaseous output velocity of flow value that manual input gas velocity of flow collection module gathered, make things convenient for the operator to manually input gas velocity of flow value, can be according to the condition of reality, the gaseous velocity of flow value of manual input, reach the gaseous blowout speed that wants, guarantee gaseous spun kinetic energy, make the internal organs that need treat produce the clearance, make things convenient for the operation cutting operation, avoid the damage of other tissues, this design convenient operation, and the efficiency of the operation is improved.
As shown in fig. 1, the gas flow rate monitoring device further comprises a display module, wherein the manual input gas flow rate acquisition module, the gas flow rate sensor and the display module are electrically connected with the controller, and the display module is used for displaying the gas flow rate value acquired by the manual input gas flow rate acquisition module and displaying the gas flow rate value acquired by the gas flow rate sensor in real time.
The invention is convenient for operation operators to directly observe the gas flow rate, clearly know the gas spraying speed, ensure the kinetic energy during spraying, enable the viscera needing to be treated to generate gaps, facilitate the operation of surgical cutting and avoid the damage of other tissues, and is convenient for operation and improve the operation efficiency by comprising the display module, the manual input gas flow rate acquisition module, the gas flow rate sensor and the display module are all electrically connected with the controller, the display module is used for displaying the gas flow rate value acquired by the manual input gas flow rate acquisition module and displaying the design of the gas flow rate value acquired by the gas flow rate sensor in real time.
As shown in fig. 2, the present embodiment further includes a gas jet stripping system including a gas flow rate adjusting device that controls a gas supply device in the gas jet stripping system as described in any one of the above; the outer side wall of the metal gas transmission pipe 7 is provided with a conductive column 9, and the conductive column 9 is electrically connected with the high-frequency electric excision electric coagulation device through an electric wire.
According to the invention, through the design that the conductive column 9 is arranged on the outer side wall of the metal gas pipe 7, the conductive column 9 is electrically connected with the high-frequency electric excision electric coagulation device through an electric wire, and the conductive column 9 sequentially transmits high-frequency electricity to the metal gas pipe 7 and the air-jet stripping electric excision head, so that the air-jet stripping electric excision head has an electric excision electric coagulation function, and after a certain gap is blown to the viscera, the viscera needing to be treated are directly and electrically excised through the air-jet stripping electric excision head, the operation cutting operation is convenient, and the operation safety coefficient is improved.
The metal gas pipe 7 is detachably connected with the handle 8, so that the metal gas pipe is convenient to connect and detach; the gas transmission metal pipe 7 and the air-jet stripping electric cutting head are detachably connected or integrally formed, and the embodiment adopts an integral forming mode for preparation, so that the connecting effect is good; the handle 8 is detachably connected or in hot melting connection with the air pipe 11, and the handle 8 and the air pipe 11 are in hot melting connection in the embodiment, so that air tightness is guaranteed, and meanwhile, preparation is convenient; the air injection stripping electric cutting head, the metal air delivery pipe 7 and the handle 8 are combined, so that an operator can conveniently hold and operate the electric cutting head, the metal air delivery pipe 7 and the handle 8 can be detachably connected, the installation, the disassembly and the cleaning are convenient, meanwhile, the metal air delivery pipe 7 can be selected from various lengths, so that the operator can conveniently select the metal air delivery pipe 7 with the corresponding size according to a patient to be treated, the operation efficiency is improved, and the operation safety is ensured; handle 8 can choose for use the metal, and convenient disinfection also can choose for use plastics, and the quality is light, can prepare disposable handle, guarantees handle 8's cleanliness factor, and handle 8 can design multiple molding according to handheld mode, can set to cylindrically, square etc. improves operator's handheld comfort level, alleviates the fatigue of operator's operation in-process.
As shown in fig. 3, the handle 8 of this embodiment is provided with a gas inlet 81 communicated with the gas supply device and a gas outlet 83 communicated with the metal gas pipe 7, a gas channel 82 communicated with both the gas inlet 81 and the gas outlet 83 is provided inside the handle 8, and the gas inlet 81 of the handle 8 is communicated with the gas pipe 11.
According to the invention, the handle 8 is provided with the gas transmission inlet 81 communicated with the gas supply device and the gas transmission outlet 83 communicated with the metal gas transmission pipe 7, the gas transmission channel 82 communicated with the gas transmission inlet 81 and the gas transmission outlet 83 is arranged in the handle 8, and the gas transmission inlet 81 of the handle 8 is communicated with the gas pipe 11, so that the gas can circulate in the handle 8, and the gas transmission effect can be ensured.
As shown in fig. 4 and 5, the air-jet stripping electric cutter of the present embodiment includes a metal pipe body 1; one end of the metal pipe body 1 is closed, the other end of the metal pipe body is provided with an air inlet port 2 communicated with the air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is arranged at the closed position of the metal pipe body 1 or/and on the outer side wall of the metal pipe body 1 close to the closed position of the metal pipe body 1; the inner diameter of the gas flow passage 4 gradually decreases from the inlet port 2 to the outlet port 3.
The electric cutting head is stripped by air injection and comprises a metal pipe body 1; one end of the metal pipe body 1 is closed, the other end of the metal pipe body is provided with an air inlet port 2 communicated with the air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is arranged at the closed position of the metal pipe body 1 or/and on the outer side wall of the metal pipe body 1 close to the closed position of the metal pipe body 1; the inner diameter of gas flow channel 4 is by inlet port 2 to the design that port 3 reduces gradually of giving vent to anger, the purpose promotes gaseous velocity of flow, let gaseous from gas flow channel 4 back, when port 3 blowout of giving vent to anger, make the gas flow velocity increase at double, thereby increase gaseous spun kinetic energy, design through the 1 structure of metal pipe body, can be the gaseous velocity of flow in the gas flow channel 4 and be doubly promote, thereby the gas of certain kinetic energy of blowout helps the separation to the abdominal cavity deep and the inseparable tissue internal organs of adhesion each other, blow open the latent clearance in the abdominal cavity, make things convenient for the operator to carry out high-efficient, accurate and safe anatomical operation, compare with current laparoscopic surgery apparatus, it is more accurate to have the anatomical stripping, the operability is more convenient and the higher advantage of security.
In a preferred embodiment of the present invention, the gas outlet port 3 is provided on the outer side wall of the metal pipe body 1 close to the seal of the metal pipe body 1.
As shown in fig. 5, the metal pipe body 1 of this embodiment sequentially includes, from bottom to top, a connecting section 101, a transition section 102 connected to the top of the connecting section 101, and a bending section 103 connected to the top of the transition section 102, an included angle a between the transition section 102 and the bending section 103 is 90 ° -180 °, and an included angle a preferred in this embodiment is 90 °; wherein, the longitudinal section of the connecting section 101 is trapezoidal or square; the air outlet port 3 is arranged on the bending section 103; the outer walls of the connecting section 101 and the transition section 102 are coated with an insulating coating.
The metal pipe body 1 sequentially comprises a connecting section 101, a transition section 102 connected with the top of the connecting section 101 and a bending section 103 connected with the top of the transition section 102 from bottom to top, an included angle a between the transition section 102 and the bending section 103 is 90-180 degrees, and the preferred included angle a in the embodiment is 90 degrees; wherein, the longitudinal section of the connecting section 101 is trapezoidal or square; the air outlet port 3 is arranged on the bending section 103; the outer walls of the connecting section 101 and the transition section 102 are both coated with insulating coatings, the metal tube body 1 is divided into three sections, the angle of an included angle a can be selected according to actual conditions, the purpose of convenient operation is achieved, meanwhile, the arrangement of an insulating layer is convenient, the metal tube body 1 is protected, meanwhile, the insulating layer plays a role in insulating electricity, the organ which does not need to be treated is prevented from being damaged in the electrotomy process, and the safety factor of the operation is improved; the longitudinal section of the connecting section 101 is trapezoidal, so that the gas flow velocity and the gas flow channel 4 are continuously improved, the conveying speed of gas flow is ensured, the separation of deep parts of an abdominal cavity and adhered tight tissue organs is facilitated, potential gaps in the abdominal cavity are blown open, and an operator can conveniently perform efficient, accurate and safe dissection operation.
The inner diameter of the air inlet port 2 is 1.5mm-15 mm; the inner diameter of the air outlet port 3 is 0.1mm-10 mm; the height of the metal pipe body 1 is 5mm-50 mm; according to the inner diameter of the puncture cylinder for laparoscopic surgery, the inner diameters of the air inlet port 2 and the air outlet port 3 are selected, and the air outlet port 3 is ensured to be smaller than the air inlet port 2 in the aspect of size selection.
As shown in fig. 6, the side wall of the transition section 103 of the present invention is provided with a transition section gas injection port 6 communicated with the gas flow passage 4; the transition section air outlet 6 and the air outlet port 3 are arranged on the same side; the internal diameter of the transition section gas nozzle 6 is 0.1-10 mm.
The side wall of the transition section 103 is provided with a transition section gas nozzle 6 communicated with the gas flow passage 4; the transition section air outlet 6 and the air outlet port 3 are arranged on the same side; the transition section air nozzle 6 is designed to have an inner diameter of 0.1-10mm, and an air outlet is added, so that the position to be treated can be selected, the position to be treated can be ensured to generate a gap, and the safety of the operation can be ensured.
The working process of the air-jet stripping system comprises the following steps:
electrically connecting the conductive column with a high-frequency electric excision coagulation device through an electric wire, communicating the handle 8 with an air pipe, and sequentially connecting the air pipe with a gas flow velocity sensor, a pneumatic control valve and a gas supply device; the gas supply device is started, gas is input into the handle 8 from the gas pipe 11, the gas enters the metal gas pipe 7 through the handle 8, then the gas is blown off from the gas jet stripping electric cutting head at one end of the metal gas pipe 7 and is blown out, the gas flow velocity sensor in the gas pipe 11 monitors the flow velocity of the gas pipe 11 in real time, the flow velocity of the gas entering the handle 8 is guaranteed, the blowing velocity of the gas is calculated according to the inner diameter size of the metal gas pipe 7 and the gas jet stripping electric cutting head, the required gas flow velocity is input through the manual input gas flow velocity acquisition module, the controller converts the received numerical value into an electric signal and sends the electric signal to the pneumatic control valve, the gas flow velocity in the gas pipe 11 is consistent with the numerical value acquired by the manual input gas flow velocity.
The pneumatic control valve is a flow control valve produced by Fisher-Tropsch (China) Co;
the gas flow sensor is a clamp type flow sensor produced by Yonzhi (China) limited company;
the controller is a Programmable Logic Controller (PLC) of Siemens;
the display module selects a millet display screen;
the manual input gas flow rate acquisition module adopts a 22-channel data acquisition multifunctional module produced by Kerui measurement and control company;
the wireless transmission module adopts Shenzhen thought as an anti-interference wireless data transmission module produced by wireless technology Limited;
the remote terminal is a tablet computer, a mobile phone, a computer and the like;
the pneumatic control valve, the gas flow sensor, the controller, the display module, the manual input gas flow speed acquisition module, the wireless transmitting module and the remote terminal are all in the prior art, are not shown in the attached drawings, and can also adopt other models produced by other manufacturers.
As shown in fig. 7 and 8, in the present embodiment, a metal pipe body 5 is disposed inside a metal pipe body 1, an outer wall of the metal pipe body 5 and an inner wall of the metal pipe body 1 are welded integrally, an inlet 51 and an outlet 52 are respectively disposed at two ends of the metal pipe body 5, the inlet 51 is communicated with an air inlet port 2, the outlet 52 is communicated with an air outlet port 3, a diameter of the inlet 51 is greater than a diameter of the outlet 52, and a diameter of the outlet 52 is greater than a diameter of the air outlet port 3.
According to the invention, the metal pipe body 5 is arranged in the metal pipe body 1, the outer wall of the metal pipe body 5 and the inner wall of the metal pipe body 1 are welded into a whole, the inlet 51 and the outlet 52 are respectively arranged at two ends of the metal pipe body 5, the inlet 51 is communicated with the air inlet port 2, the outlet 52 is communicated with the air outlet port 3, the diameter of the inlet 51 is larger than that of the outlet 52, and the diameter of the outlet 52 is larger than that of the air outlet port 3.
The wireless transmission system also comprises a wireless transmission module and a remote terminal, wherein the wireless transmission module is electrically connected with a controller and the wireless transmission module is electrically connected with the remote terminal; can give the engineer that can't get into the operating room with the gas velocity of flow condition reflection, they can on-line real-time monitoring flow rate to guarantee the normal operating of equipment, when the problem appears, can provide the suggestion or the suggestion of adjusting and repairing for the operation operator, guarantee going on smoothly of operation.
A plurality of gas flow velocity sensors are uniformly distributed on the gas pipe 11 at intervals, and the distance between every two adjacent gas flow velocity sensors is larger than 1 m.
Example two
As shown in fig. 9, the difference between the present embodiment and the first embodiment is only the opening position of the air outlet port 3, and the technical content disclosed in the first embodiment is not repeated, and the content disclosed in the first embodiment also belongs to the content disclosed in the present embodiment.
As shown in fig. 7, the present embodiment provides an air-jet stripping electric cutting head, which includes a metal tube 1 with an internal air flow channel 4, wherein one end of the metal tube 1 is closed, the other end of the metal tube 1 is provided with an air inlet port 2 communicated with the air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is provided on the outer side wall of the metal tube 1 at the closed position of the metal tube 1 or/and at the closed position close to the metal tube 1; the inner diameter of the gas flow passage 4 is gradually reduced or reduced in a step-like manner from the gas inlet port 2 to the gas outlet port 3; the specific scheme of this implementation is that a gas outlet port 3 is seted up to metal body 1 closed department.
One end of a metal pipe body 1 is closed, the other end of the metal pipe body is provided with an air inlet port 2 communicated with an air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is arranged on the closed part of the metal pipe body 1 or/and the outer side wall of the metal pipe body 1 close to the closed part of the metal pipe body 1; the inner diameter of the gas flow passage 4 is gradually reduced or reduced in a step-like manner from the gas inlet port 2 to the gas outlet port 3; the specific scheme of this implementation is for metal body 1 seals the department and sets up the design of a port 3 of giving vent to anger, and different from embodiment one, this scheme begins port 3 of giving vent to anger at the seal, can jet-propelled to the internal organs of a certain local special position, separates the clearance that exists between the internal organs, and convenient operation improves operation factor of safety.
As shown in fig. 10, the side wall of the transition section 103 of the embodiment is provided with a transition section gas nozzle 6 communicated with the gas flow passage 4; the transition section air outlet 6 and the air outlet port 3 are arranged on the same side; the internal diameter of the transition section gas nozzle 6 is 0.1-10 mm.
The invention further arranges a transition section gas nozzle 6 communicated with the gas channel 4 on the side wall of the transition section 103; the transition section air outlet 6 and the air outlet port 3 are arranged on the same side; the transition section air nozzle 6 is designed to have an inner diameter of 0.1-10mm, so that multi-angle spraying is realized, and similarly, air can be sprayed against visceral organs at a certain local special position, so that gaps existing among the visceral organs are separated, the operation is convenient, and the safety coefficient of the operation is improved.
EXAMPLE III
As shown in fig. 11, the metal pipe body 1 of the present invention is an improvement based on the first embodiment, and the technical contents disclosed in the first embodiment are not repeated, and the contents disclosed in the first embodiment also belong to the disclosure of the present embodiment.
The connecting section 101 of this embodiment has a square longitudinal cross section.
According to the invention, the air input of the metal pipe body 1 is ensured and the effective separation of visceral organs is ensured by the design that the longitudinal section of the connecting section 101 is square, meanwhile, the longitudinal section of the connecting section 101 is rectangular, so that the processing is convenient, and the longitudinal section of the connecting section 101 can be rectangular or square.
Example four
The difference between the first embodiment and the second embodiment is only the installation position of the gas inlet 81, and the technical content disclosed in the first embodiment is not repeated.
As shown in fig. 12 and 13, the gas transmission inlet 81 and the conductive post 9 are disposed on two sides of the gas transmission metal pipe 7.
According to the invention, through the design that the gas transmission inlet 81 and the conductive column 9 are respectively arranged at the two sides of the gas transmission metal tube 7, an operator can conveniently observe the connection condition, and the phenomenon that the gas tube or the electric wire respectively falls off from the gas transmission inlet 81 and the conductive column 9 to influence the operation process is avoided.
EXAMPLE five
The difference between the present embodiment and the first embodiment is only the opening position of the air outlet port 3, and the technical content disclosed in the first embodiment is not repeated, and the content disclosed in the first embodiment also belongs to the content disclosed in the present embodiment.
As shown in fig. 14, the present embodiment provides an air-jet stripping electric cutting head, which includes a metal tube 1 with an internal air flow channel 4, wherein one end of the metal tube 1 is closed, the other end of the metal tube 1 is provided with an air inlet port 2 communicated with the air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is provided on the outer side wall of the metal tube 1 at the closed position of the metal tube 1 or/and at the closed position close to the metal tube 1; the inner diameter of the gas flow passage 4 is gradually reduced or reduced in a step-like manner from the gas inlet port 2 to the gas outlet port 3; the specific scheme of this embodiment is that the outer side wall of the metal pipe body 1 close to the metal pipe body 1 is provided with an air outlet port 3 communicated with an air flow passage 4.
One end of a metal pipe body 1 is closed, the other end of the metal pipe body is provided with an air inlet port 2 communicated with an air flow channel 4, and an air outlet port 3 communicated with the air flow channel 4 is arranged on the closed part of the metal pipe body 1 or/and the outer side wall of the metal pipe body 1 close to the closed part of the metal pipe body 1; the inner diameter of the gas flow passage 4 is gradually reduced or reduced in a step-like manner from the gas inlet port 2 to the gas outlet port 3; the specific scheme of this implementation is that all set up the design with the port 3 of giving vent to anger of gas flow channel 4 intercommunication on the lateral wall of metal body 1 that metal body 1 seals the department and close to metal body 1 seals the department, and the purpose is that the viscus that can realize certain local special position spouts gas, separates the clearance that exists between the viscus, convenient operation improves operation factor of safety.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A gas flow rate adjusting device for controlling a gas supply device in a gas jet stripping system is characterized in that: comprises an air-jet stripping electric cutting head, a metal air delivery pipe (7) and a handle (8) which are connected in sequence and are communicated; one end of the handle (8) is communicated with the gas supply device through a gas pipe (11);
the air pipe (11) is communicated with a pneumatic control valve for controlling the air supply device to convey air with a certain flow rate to the handle (8);
the gas pipe (11) is also communicated with a gas flow velocity sensor which is used for monitoring the flow velocity of the conveyed gas in real time and sending the collected gas flow velocity value to the controller;
the controller is used for receiving the gas flow rate value collected by the gas flow rate sensor, comparing the collected gas flow rate value with a preset gas flow rate threshold value, editing the gas flow rate value into an electric signal and sending the electric signal to the pneumatic control valve so as to control the flowing speed of the gas in the gas pipe (11); when the collected gas flow rate value exceeds or is lower than a preset gas flow rate threshold value, the controller converts the collected gas flow rate value into an electric signal and sends the electric signal to the pneumatic control valve, and the pneumatic control valve adjusts the gas flow rate to the preset gas flow rate threshold value according to the received electric signal.
2. The gas flow rate adjusting device of the gas jet stripping system according to claim 1, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: the manual input gas flow rate acquisition module is used for acquiring a gas output flow rate value and sending the acquired gas output flow rate value to the controller; and the controller is used for receiving the gas output flow rate value sent by the manual input gas flow rate acquisition module, editing the gas output flow rate value into an electric signal and sending the electric signal to the pneumatic control valve, and the pneumatic control valve controls the gas flow rate value output by the gas supply device to be consistent with the gas output flow rate value acquired by the manual input gas flow rate acquisition module according to the received electric signal.
3. The gas flow rate adjusting device of the gas jet stripping system according to claim 2, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: the device also comprises a display module; the manual input gas flow rate acquisition module, the gas flow rate sensor and the display module are all electrically connected with the controller, and the display module is used for displaying the gas flow rate value acquired by the manual input gas flow rate acquisition module and displaying the gas flow rate value acquired by the gas flow rate sensor in real time.
4. The gas flow rate adjusting device of the gas jet stripping system according to claim 1, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: the air-jet stripping electric cutting head comprises a metal pipe body (1); one end of the metal pipe body (1) is closed, the other end of the metal pipe body is provided with an air inlet port (2) communicated with the air flow channel (4), and an air outlet port (3) communicated with the air flow channel (4) is arranged at the closed position of the metal pipe body (1) or/and on the outer side wall of the metal pipe body (1) close to the closed position of the metal pipe body (1); the inner diameter of the gas flow passage (4) is gradually reduced from the gas inlet port (2) to the gas outlet port (3).
5. The gas flow rate adjusting device of the gas jet stripping system according to claim 4, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: the metal pipe body (1) sequentially comprises a connecting section (101), a transition section (102) connected with the top of the connecting section (101) and a bending section (103) connected with the top of the transition section (102) from bottom to top, and an included angle (a) between the transition section (102) and the bending section (103) is 90-180 degrees; wherein the longitudinal section of the connecting section (101) is trapezoidal or square; the air outlet port (3) is arranged on the bending section (103); the outer walls of the connecting section (101) and the transition section (102) are coated with insulating coatings.
6. The gas flow rate adjusting device of the gas jet stripping system according to claim 5, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: the inner diameter of the air inlet port (2) is 1.5mm-15 mm; the inner diameter of the air outlet port (3) is 0.1mm-10 mm; the height of the metal pipe body (1) is 5mm-50 mm.
7. The gas flow rate adjusting device of the gas jet stripping system according to claim 6, wherein the gas flow rate adjusting device controls the gas supply device to: the method is characterized in that: a transition section gas nozzle (6) communicated with the gas flow channel (4) is arranged on the side wall of the transition section (103); the transition section air injection port (6) and the air outlet port (3) are arranged on the same side; the internal diameter of the transition section gas nozzle (6) is 0.1-10 mm.
8. An air jet stripping system, characterized by: a gas flow rate adjusting device including the gas jet stripping system as claimed in any one of claims 1 to 7, the gas supply device being controlled; the outer side wall of the metal gas pipe (7) is provided with a conductive column (9), and the conductive column (9) is electrically connected with the high-frequency electric excision coagulation device through an electric wire.
9. The air jet stripping system of claim 8, wherein: the metal gas pipe (7) is detachably connected with the handle (8); the gas transmission metal pipe (7) is detachably connected with the air-jet stripping electric cutting head or integrally formed; the handle (8) is detachably connected with the air pipe (11) or is in hot melting connection with the air pipe.
10. The air jet stripping system of claim 8, wherein: the handle (8) is provided with a gas transmission inlet (81) communicated with the gas supply device and a gas transmission outlet (83) communicated with the metal gas transmission pipe (7), a gas transmission channel (82) communicated with the gas transmission inlet (81) and the gas transmission outlet (83) is arranged inside the handle (8), and the gas transmission inlet (81) of the handle (8) is communicated with the gas pipe (11).
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| CN201910943516.2A CN110664479A (en) | 2019-09-30 | 2019-09-30 | Gas flow rate adjusting device for controlling gas supply device and jet stripping system |
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| CN201910943516.2A CN110664479A (en) | 2019-09-30 | 2019-09-30 | Gas flow rate adjusting device for controlling gas supply device and jet stripping system |
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