CN114098849A

CN114098849A - Flushing device and flushing method in operation

Info

Publication number: CN114098849A
Application number: CN202111201315.9A
Authority: CN
Inventors: 王博; 安岩; 刘锺阳; 朱祥; 张阳
Original assignee: Beijing Jishuitan Hospital
Current assignee: Beijing Jishuitan Hospital
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-03-01
Anticipated expiration: 2041-10-15
Also published as: CN114098849B

Abstract

The invention provides a flushing device and a flushing method in an operation, which solve the technical problem that potential operation risks cannot be overcome due to the lack of flushing equipment in the prior art. The device comprises: the water storage device is used for forming the separated water storage cabins and forming different constant temperature environments; the conveying pipeline is used for forming a controlled gating port and establishing a flexible conveying pipeline between the water storage cabin and the flushing gun body; the flushing gun body is used for forming a holding body, supporting the accommodating cavity, forming an interaction control structure on the holding body and forming an interaction control circuit in the holding body; the flushing gun head is used for adaptively connecting the spray head with the liquid output end of the accommodating cavity; and the flushing controller is used for forming a control signal for determining a flushing mode according to the control instruction formed by the interactive control structure so as to control the execution part to form an interactive-control process for adjusting the water pressure and the flow. An integrated structure is formed that accommodates rich control processes of flow and water pressure in the flushing scenario. Does not occupy the operation visual field and can be suitable for the washing application of different scenes.

Description

Flushing device and flushing method in operation

Technical Field

The invention relates to the technical field of surgical instruments, in particular to a flushing device in a surgery.

Background

Irrigation is a necessary step in surgical procedures involving the spine, spinal cord and nerves. The requirements of the operation process on the washing water quantity, the washing angle and the washing pressure are met in the operation process. In the current operation, close the open front whole art field's washing before the incision to the art, need the big water yield in order to reach and clear away the foreign matter, observe simultaneously and have the mesh of the movable bleeding point that bleeds, can not splash the wound outside simultaneously, drench operating coat or operating table, cause the pollution risk. The washing aiming at local cooling needs small water quantity, softness and accurate follow-up, and avoids damaging nerve tissues. Continuous, low-flow, accurate, coordinated irrigation is required for intraoperative residual irrigation to ensure that no interference with mechanical movement of surgical instruments occurs. In the cleaning method adopted in the prior art, containers such as a stainless steel basin and a syringe are generally manually utilized to roughly match with an operation process, the filling amount of flushing liquid, the manual operation force and the single-hand operation precision cannot be closely matched with the operation process, and the operation risk is greatly increased.

The existing technology has mature controlled on-off valve, regulating valve, micro water pump and general controller, and how to use the existing technology to form the targeted irrigation equipment in the operation is the technical problem that needs to be solved urgently in the current operation link.

Disclosure of Invention

In view of the above problems, embodiments of the present invention provide a flushing device and a flushing method in an operation, which solve the technical problem that the potential operation risk cannot be overcome due to the lack of flushing equipment in the existing operation.

The intraoperative flushing device of the embodiment of the invention comprises:

the water storage device is used for forming a separated water storage cabin, and different constant temperature environments are formed in the water storage cabin;

the conveying pipeline is used for forming a controlled gating port connected with each water storage cabin and establishing a flexible conveying pipeline between the gating port and the flushing gun body;

the flushing gun comprises a flushing gun body, a holding body, a flexible transmission pipeline, a flushing gun head and a flushing gun head, wherein the holding body is used for forming a one-hand holding profile;

the flushing gun head is used for adaptively connecting the spray head with the liquid output end of the accommodating cavity and adjusting the shape and the direction of the section of the output fluid;

and the flushing controller is used for forming a control signal for determining a flushing mode according to the control instruction formed by the interactive control structure so as to control the execution part to form an interactive-control process for adjusting the water pressure and the flow.

In an embodiment of the invention, the conveying pipeline is connected with an electric water pump in series or the electric water pump is connected between the accommodating cavity in the washing gun body and the flexible conveying pipeline in series.

In an embodiment of the present invention, the controlled gating port is an electrically controlled three-way valve or a manual on-off valve.

In an embodiment of the present invention, the interaction control circuit includes:

the electric water pump, the check valve and the flow regulating valve are connected in series on the containing cavity in the washing gun body in sequence according to the water flow direction.

In an embodiment of the present invention, the interactive control structure includes:

the trigger structure is used for forming an enabling trigger signal of the flushing process and keeping the flushing process according to the enabling trigger signal;

a mode adjustment structure for developing a mode selection signal to develop a flush flow rate and pressure determined corresponding to a flush procedure.

In an embodiment of the present invention, the nozzle outlet at least has one of the following shapes:

linear, parallel linear, porous or porous matrix.

In one embodiment of the invention, the spray head comprises a neck, and the neck is flexibly connected.

In an embodiment of the present invention, the irrigation gun head includes:

the adaptive connecting pipe is used for being adaptively communicated with the accommodating cavity in the washing gun body;

the pipeline transfer layer is used for forming a water conveying pipeline and positioning an outlet of the water conveying pipeline;

and the spray head adaptation layer is used for forming rotary connection with the pipeline transfer layer and arranging spray heads, and the determined spray heads are communicated with the outlet of the water conveying pipeline through rotation.

The intraoperative flushing method of the embodiment of the invention utilizes the intraoperative flushing device, and comprises the following steps:

the flushing controller is electrified and initialized, the flushing controller is electrified and initialized for the executing part connected with the signal to complete the self-checking process, and the current states of the trigger structure and the mode adjusting structure are determined;

starting and maintaining the preset control logic of the execution part under the flushing mode selected by the mode adjusting structure according to the trigger on state of the trigger structure, and maintaining the temperature, flow, pressure and frequency of the flushing liquid;

the flush procedure is terminated by triggering an "off" condition based on the trigger configuration.

The flushing device and the flushing method in the operation of the embodiment of the invention form an integrated structure which is suitable for the rich control process of the flow and the water pressure in the flushing scene. The temperature of the flushing water source part is controllable, the flushing amount is sufficient, the handheld part is light and convenient, the operation is easy, the flushing gun heads in different shapes are matched, the operation visual field is not occupied, and the flushing gun can adapt to flushing application in different scenes. The control of the flushing mode, the water quantity and the water flow speed is ensured through a mature program control technology, the flushing operation can be realized only by a key or a dial, the operation is reliable and accurate when the flushing purpose is realized, the tissue is protected, the operation difficulty is reduced, and an operator can put more energy on the operation, and the device is particularly suitable for the spinal and neurosurgical operations. The same applies to other surgical procedures requiring precise irrigation while protecting vital adjacent organs from thermal and impact damage.

Drawings

Fig. 1 is a schematic structural diagram of a flushing device used in an operation according to an embodiment of the present invention.

FIG. 2 is a schematic view of a water reservoir of the intraoperative flushing device in accordance with an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a delivery pipe of the flushing device for use in surgery according to an embodiment of the present invention. .

Fig. 4 is a schematic structural view of a flushing gun body in the flushing device for operation according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a flushing gun head in a flushing device in surgery according to an embodiment of the invention.

Fig. 6 is a control flow diagram illustrating an intraoperative irrigation method according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and more obvious, the present invention is further described below with reference to the accompanying drawings and the detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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.

An intraoperative flush device according to one embodiment of the present invention is shown in fig. 1. In fig. 1, the present embodiment includes:

the water reservoir 100 is used for forming a separated water storage chamber, and different constant temperature environments are formed in the water storage chamber.

In an embodiment of the invention, the reservoir comprises, but is not limited to, at least two separate compartments, each compartment forming a thermostatic environment of a determined temperature, each compartment being independently sealed for direct storage of the flushing liquid, each compartment forming the necessary output water duct.

In an embodiment of the invention the reservoir comprises, but is not limited to, at least two separate compartments, each compartment for carrying a flushing liquid package of a determined temperature, each compartment forming the necessary outlet line and the inlet line for communication of the flushing liquid package.

A delivery line 200 for forming a controlled strobe port connecting each of the water compartments, a flexible delivery line being established between the strobe port and the flush gun body.

The controlled gating port comprises communicated closed pipelines corresponding to the cabin output pipelines, the tail ends of the communicated closed pipelines form a common output port, and necessary controlled electromagnetic valves are arranged in the communicated closed pipelines. The common output port is in sealed connection with the flexible transmission pipeline port.

The flushing gun body 300 is used for forming a holding body with a single-hand holding profile, an accommodating cavity communicated with the flexible transmission pipeline and the flushing gun head is supported in the holding body, an interactive control structure is formed on the holding body, and an interactive control circuit is formed in the holding body.

The flushing gun body forms a transition cavity (which can be formed by a straight pipeline) between the flexible transmission pipeline and the flushing gun head, two ends of the transition cavity form ports which are matched and communicated with the flexible transmission pipeline and the flushing gun head, an interaction control structure arranged on the holding body of the flushing gun body is used for forming a control instruction for feeding back the flushing controller, and an interaction control circuit arranged in the holding body of the flushing gun body is used for receiving a control signal formed by the flushing controller to control an execution component to adjust the flow speed and the pressure of liquid in the transition cavity. The interactive control circuit comprises an execution component, and the execution component comprises but is not limited to a temperature regulation module, an electric control three-way valve, an electric water pump or a flow regulating valve and the like.

And the flushing gun head 400 is used for adapting and connecting the spray head with the liquid output end of the accommodating cavity to adjust the section shape and the direction of the output fluid.

The flushing lance head may be a single component or a combined assembly, and the fitting connection may include, but is not limited to, at least flange fitting of the components, alternate fitting of the assembly, or fixed fitting, so that the cross-sectional shape and orientation of the lance head are selective.

And the flushing controller 500 is used for forming a control signal for determining the flushing mode according to the control instruction formed by the interactive control structure and controlling the execution part to form an interactive-control process for adjusting the water pressure and the flow.

The interactive input commands of the interactive-control process include but are not limited to a flushing mode command, a water flow enabling command, and the like.

Control signals for the interactive-control process include, but are not limited to, water flow rate, water flow pressure, water flow pulse frequency, and water flow enable, among others.

The flushing device in the operation of the embodiment of the invention optimizes the flushing instrument aiming at the complex flushing scene in the operation. The water accumulator, the control device, the flushing gun head and the liquid conveying pipeline are creatively integrated, and the respective assembly flexibility and the integral integration level of the components are fully utilized to form an integrated structure suitable for the rich control process of the flow and the water pressure in the flushing scene. The temperature of the washing water source part is controllable, the flushing water quantity is sufficient, and the complicated operation of repeatedly adding water is avoided. The hand-held part is light and convenient, is easy to operate, is matched with the flushing gun heads in different shapes, does not occupy the operation visual field, and can be suitable for flushing application in different scenes. The control of the flushing mode, the water quantity and the water flow speed is ensured through a mature program control technology, the flushing operation can be realized only by a key or a dial, the operation is reliable and accurate when the flushing purpose is realized, the tissue is protected, the operation difficulty is reduced, and an operator can put more energy on the operation, and the device is particularly suitable for the spinal and neurosurgical operations. The same applies to other surgical procedures requiring precise irrigation while protecting vital adjacent organs from thermal and impact damage.

The water reservoir of the intraoperative flush device of one embodiment of the present invention is shown in FIG. 2. In fig. 2, the reservoir 100 comprises a hollow housing having spaced inner and outer sidewalls, the inner sidewall of the hollow housing being raised at the middle of the hollow housing to form a double-layered dividing inner sidewall 110 dividing the hollow housing into two water compartments 120; each water storage cabin is provided with a water injection hole 130 and a water delivery hole 140, the water injection hole is used for being connected with a flushing water source pipeline, and the water delivery hole is used for being connected with a delivery pipeline; the heat insulating material 150 is filled between the inner side wall and the outer side wall of the water storage chamber, and the temperature adjusting module 160 is arranged on the outer side of the inner side wall of each water storage chamber and used for controlling the temperature of the water storage chamber to be constant.

In one embodiment of the present invention, the thermal insulation material is fumed silica material; the temperature regulation module adopts a semiconductor refrigeration piece, and the cold end or the hot end of the semiconductor refrigeration piece is attached to the inner side wall according to the constant temperature requirement.

In one embodiment of the present invention, 3000ml of physiological saline is soaked in 37 ℃ warm water in one water storage compartment to serve as a warm water washing bag, an ice bag is placed around 500ml of physiological saline to serve as a cold water washing bag in the other water storage compartment, and water outlets of the warm water washing bag and the cold water washing bag are communicated with the corresponding water delivery hole 140 pipelines.

The flushing device in the operation of the embodiment of the invention utilizes the water storage cabin of the integral water storage device to accommodate flushing water sources with different constant temperature, thereby meeting the requirement of the temperature of the water source in the operation. The constant temperature of the flushing water source can be kept for a long time through the heat insulating material and the semiconductor refrigerating sheet, and the fluctuation caused by the operation duration is avoided.

Fig. 3 shows a delivery pipe of the flushing device for use in the operation according to an embodiment of the present invention. In fig. 3, the transfer line includes:

and the electric control three-way valve 210 is used for connecting the water conveying hole pipeline of the water storage cabin to form controlled switching of a flushing water source.

The electric control three-way valve forms water conveying pipeline on-off switching of the warm water flushing fluid and the cold water flushing fluid, and constant temperature change caused by mixing of the two water sources is avoided.

And the electric water pump 220 is connected in series with the water delivery hose and is controlled to form flow regulation of the flushing water source.

The hydraulic drive of the electric water pump can reduce the requirement on the placement posture of the water accumulator and can provide necessary flow velocity and pressure of flushing liquid.

And the water delivery hose 230 is used for forming a flexible water delivery pipeline and is used as a control signal routing path of the electric water pump and the electric control three-way valve.

The side wall of the water delivery hose can be used for laying signal lines and power lines, so that the delivery pipeline can be used as a wiring path between the control circuit and the execution component, and the layout structure between the control circuit and the execution component is further optimized.

In an embodiment of the invention, the electric water pump is connected in series at one end of the water delivery hose close to the water reservoir and is fixed on the outer wall of the water reservoir together with the electric control three-way valve 210, so that the flexibility of placing the water reservoir can be effectively improved.

In one embodiment of the invention, the electric water pump is connected in series at one end of the water delivery hose close to the flushing gun body, so that the tension of the water delivery hose can be effectively reduced, and the flexibility of placing the water delivery hose is provided.

In one embodiment of the invention, in order to simplify the circuit connection of controlled parts and reduce the production cost, a controlled gating port in the conveying pipeline is replaced by a three-way pipe, an on-off valve is arranged on the three-way pipe, and the selection of a flushing water source is formed by manually controlling the on-off valve.

In one embodiment of the invention, in order to simplify the circuit connection of the controlled components, the electric water pump is arranged in the flushing gun body as a controlled execution component and is connected in series with the transition cavity between the flexible transmission pipeline and the flushing gun head.

Fig. 4 shows a flushing gun body of the flushing device in the operation according to an embodiment of the present invention. In fig. 4, a washing gun body 300 includes:

the holding body 310 is used for forming the supporting shapes of the hand and the accommodating cavity, the interaction control structure is arranged outside, and the accommodating cavity and the interaction control circuit are supported inside.

A receiving cavity 320 for forming a rinsing liquid buffer capacity.

As shown in fig. 4, in an embodiment of the present invention, the accommodating cavity 320 includes an input cavity adapting end 325, an input cavity 321, a buffer cavity 322, an output cavity 323, and an output cavity adapting end 326 which are sequentially connected, the buffer cavity 322 is ellipsoidal, the input cavity 321 is connected below a central horizontal plane of the buffer cavity 322, and the output cavity 323 is connected above the central horizontal plane of the buffer cavity 322. The volume of the buffer cavity 322 is greater than the sum of the volumes of the input cavity 321 and the output cavity 323. The arrangement structure of the accommodating cavity 320 can ensure that the flushing liquid in the buffer cavity 322 flows to the output cavity 323 along with the holding posture all the time in the flushing process, and the continuity of water flow is kept.

The input cavity adapting end 325 is adapted to be connected with the conveying pipeline, and the output cavity adapting end 326 is adapted to be connected with the flushing gun head 400.

As shown in fig. 4, in an embodiment of the present invention, the interactive control structure includes:

a trigger structure 330 for forming an enable trigger signal for the rinsing process, the rinsing process being maintained according to the enable trigger signal. The trigger signal is used for the form-continuation-termination of the flushing process.

A mode adjustment structure 340 for forming a mode selection signal to form a flushing flow and pressure determined for the flushing procedure. The selection signal is used for flow and pressure maintenance during the flushing process.

As shown in fig. 4, in an embodiment of the present invention, the trigger structure 330 includes an elastic lever 331 with a single end fixed in rotation, the elastic lever is provided with an elastic piece connected to a normally open contact of a relay, when a finger pulls the elastic lever to press the elastic piece to exceed a pressure threshold, the normally open contact of the relay is closed, and the relay forms a trigger signal as an enable instruction;

the mode adjusting structure 340 comprises a scale rotating disc 341, the scale rotating disc 341 can rotate in an equal angle stepping manner, a washing mode mark is marked on a holding body at a stepping rotating position around the scale rotating disc 341, a pointing disc is coaxially fixed at the tail end of a main shaft of the scale rotating disc 341, a trigger contact is fixed on the circumferential side wall of the pointing disc, a ring is coaxially fixed around the pointing disc, loop contacts are arranged on the inner wall of the ring at intervals corresponding to the stepping rotating angle of the scale rotating disc 341, the loop contacts are respectively connected with analog signal acquisition pins of an A/D converter chip, and the A/D converter chip is used for converting acquired analog signals into digital signals and then packaging the digital signals into acquired data for transmission; when the scale dial 341 rotates a step position, the trigger contacts are driven to synchronously rotate and contact with the loop contacts at a determined position to form an acquisition loop, when the scale dial 341 rotates, the trigger contacts and the loop contacts at different determined positions form an acquisition loop, and after analog-to-digital conversion, corresponding mode acquisition data is formed for transmission.

As shown in fig. 4, in an embodiment of the present invention, the interaction control circuit includes:

a flow regulating valve 350 is provided for installation in the output chamber 323 for controlled regulation of flow and pressure during flushing. And adjusting the flushing flow and the flushing pressure according to the opening degree of the valve.

As shown in fig. 4, in an embodiment of the present invention, the method further includes:

a check valve 360 for installation in the input chamber 321 maintains pressure and flushing volume in the buffer chamber 322.

In an embodiment of the present invention, the input chamber 321 is connected in series with the electric water pump.

As shown in fig. 4, in an embodiment of the present invention, a flushing controller 500 is further fixed in the flushing gun body, and the flushing controller 500 may adopt a dsp (digital Signal processor), an FPGA (Field-Programmable Gate Array), an mcu (micro controller unit) system board, an soc (system on a chip) system board, or a plc (Programmable Logic controller) minimum system including I/O.

In an embodiment of the present invention, the washing gun further comprises a working power supply, and the working power supply can be a battery arranged in the washing gun body or an external power supply connected with a terminal arranged on the holding body and connected with the washing controller.

In practical application, the flushing controller comprises a plurality of power signal output pins, and the flushing controller is in one-to-one signal connection with the control ends of the temperature adjusting module 160, the electric control three-way valve 210, the electric water pump 220 and the flow regulating valve 350 through the power signal output pins; the flush controller includes a number of signal input pins through which the flush controller is in one-to-one signal connection with the feedback signal lines of the trigger structure 330 and the mode adjustment structure 340.

The flushing gun head of the flushing device in the operation of one embodiment of the invention is shown in figure 5. In fig. 5, the lance tip 400 comprises:

the adaptive connecting pipe 410 is used for being adaptively communicated with the accommodating cavity in the washing gun body;

the pipeline transfer layer 420 is used for forming a water pipeline and positioning an outlet of the water pipeline;

and the spray head adapting layer 430 is used for forming rotary connection with the pipeline transfer layer and arranging spray heads, and the determined spray heads are communicated with the outlet of the water pipeline through rotation.

As shown in fig. 5, in an embodiment of the present invention, the adapter connecting pipe 410 is in adapter communication with the output cavity adapter end 326 of the washing gun body 300, the pipe transfer layer 420 and the injector head adapter layer 430 are solid discs with the same diameter, a transfer pipe 421 is formed in the pipe transfer layer 420, a first port 422 of the transfer pipe 421 is in coaxial communication with the adapter connecting pipe 410, a second port 423 of the transfer pipe 421 is opened on an end surface of the pipe transfer layer 420 facing the injector head adapter layer 430, and an axis of the second port 423 is parallel to an axis of the adapter connecting pipe 410; nozzle through holes 431 corresponding to the second port (the distance from the axis of the adaptive connecting pipe 410 and the diameter of the second port) are circumferentially arranged on the nozzle adaptation layer 430 at intervals, and each nozzle through hole 431 is parallel to or coincided with the axis of the second port;

the edges of the opposite end faces of the pipe transfer layer 420 and the injector adapter layer 430 form a snap fit 440, and the injector adapter layer 430 rotates coaxially with respect to the pipe transfer layer 420;

the opposing end surfaces of the manifold transfer layer 420 and the showerhead adaptor layer 430 are coated with a lubricious coating 450, and the opposing end surfaces of the manifold transfer layer 420 and the showerhead adaptor layer 430 are brought into intimate contact. The lubricious coating 450 may be a polytetrafluoroethylene material.

In practical application, the nozzle is fixed by rotating the nozzle through hole 431 of the nozzle adaptation layer 430, the adaptation connection pipe 410, the transfer pipe 421, the nozzle through hole 431 and the determined nozzle are communicated by rotating the nozzle adaptation layer 430, and the washing liquid is sprayed out.

In an embodiment of the present invention, the water outlet of the nozzle includes, but is not limited to, a line, a parallel line, a hole matrix, and the like.

In one embodiment of the invention, the flexible connection of the nozzle neck allows the nozzle to maintain a moderate bend.

An intraoperative irrigation method according to one embodiment of the present invention is shown in fig. 6. In fig. 6, the intraoperative flush device using the above embodiment includes:

step 10: the flushing controller is powered on for initialization, the flushing controller is powered on for initialization to complete the self-checking process of the signal connected execution part, and the current states of the trigger structure and the mode adjusting structure are determined.

The execution component at least comprises a temperature adjusting module, an electric control three-way valve, an electric water pump and a flow adjusting valve. The self-checking process includes adjusting an initial execution position or an initial execution state of each execution part. The trigger structure includes two mutually exclusive current states: and (4) switching on or off. The current state of the mode adjustment structure is a mode determined by the current state of the mode adjustment structure.

Step 20: and the preset control logic of the execution part under the flushing mode selected by the mode adjusting structure is started and maintained according to the trigger on state of the trigger structure, so that the temperature, the flow rate, the pressure and the frequency of the flushing liquid are maintained.

The selected flushing mode of the mode adjustment structure includes re-determining and maintaining one of the determined flushing modes while maintaining the other determined flushing mode.

Step 30: the flush procedure is terminated by triggering an "off" condition based on the trigger configuration.

As shown in fig. 6, in an embodiment of the present invention, the method further includes:

step 40: the spray head is adjusted when the trigger structure triggers an "off" state.

The intraoperative irrigation method of the embodiment of the invention forms an initial setting set of water temperature, flow rate, pressure and water spray shape in advance through the determined irrigation mode so as to respond to a specific intraoperative irrigation scene, thereby greatly simplifying the control complexity of the irrigation process. Sustainable, the washing mode that can switch over fast can adapt to and have the multiple art of slight difference and wash the scene, can be in the art whole cooperation operation process, avoid appearing interfering, avoid prolonging operation process, eliminate potential operation risk.

As shown in fig. 6, in one embodiment of the present invention, the determining the flushing mode in step 20 includes:

large-flow normal-temperature continuous flushing mode: at normal temperature, 80-100ml/s, continuously;

low flow low temperature continuous flush mode: low temperature, 10-20ml/s, continuous;

a low-flow normal-temperature continuous flushing mode: 10-20ml/s at normal temperature continuously;

the above mode keeps the impact force gentle while maintaining the flow rate.

Normal temperature high pulse flushing mode: normal temperature, 5-10ml/Hz, 10 Hz;

normal temperature low pulse flushing mode: normal temperature, 5ml/Hz, 5 Hz;

low temperature high pulse flush mode: low temperature, 5ml/Hz, 10 Hz;

low temperature low pulse flush mode: low temperature, 5ml/Hz, 3 Hz;

the above mode keeps the flow rate while keeping the impact force large.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An intraoperative flush device, comprising:

2. The intraoperative flush device according to claim 1, wherein an electric water pump is connected in series on the delivery line or between a containing cavity in the irrigation gun body and a flexible delivery line.

3. The intraoperative flushing device of claim 1, wherein the controlled gating port employs an electrically controlled three-way valve or a manual on-off valve.

4. The intraoperative flush device of claim 1, wherein the interactive control circuit comprises:

5. The intraoperative flushing device of claim 1, wherein the interactive control structure comprises:

6. The intraoperative flushing device of claim 1, wherein the spray head water outlet has at least one of the following shapes:

linear, parallel linear, porous or porous matrix.

7. The intraoperative flushing device of claim 1, wherein the spray head includes a neck, the neck employing a flexible connection.

8. An intraoperative flushing device according to claim 1, wherein the flushing gun head comprises:

9. An intra-operative flushing method using the intra-operative flushing device according to any one of claims 1 to 8, comprising: