CN114099802A - Operating device of lavage drainage catheter and lavage drainage device - Google Patents

Abstract

Translated fromChinese

本发明提供了一种灌洗引流导管的操作装置及灌洗引流装置，涉及医疗器械技术领域，该灌洗引流导管的操作装置包括手柄，在手柄或靠近手柄的位置设有控制按钮；手柄上设有注液口和吸液口；注液口通过控制阀连接注液通道，吸液口通过控制阀连接吸液通道；控制按钮与控制阀连接，用于控制注液口与注液通道的通断，和/或，吸液口与吸液通道的通断。该灌洗引流装置包括灌洗引流导管的操作装置。缓解了现有技术中存在的直接采用硅胶引流导管的方式使得操作的便捷性较差的技术问题，达到了操作便捷的技术效果。

The invention provides an operating device for an irrigation and drainage catheter and an irrigation and drainage device, which relate to the technical field of medical devices. The operation device for the irrigation and drainage catheter comprises a handle, and a control button is arranged on the handle or at a position close to the handle; There is a liquid injection port and a liquid suction port; the liquid injection port is connected to the liquid injection channel through the control valve, and the liquid suction port is connected to the liquid suction channel through the control valve; the control button is connected to the control valve to control the connection between the liquid injection port and the liquid injection channel. On-off, and/or on-off between the suction port and the suction channel. The irrigation and drainage device includes an operating device for an irrigation and drainage catheter. The technical problem in the prior art that the direct use of the silicone drainage catheter makes the operation convenient is alleviated, and the technical effect of convenient operation is achieved.

Description

Operating device of lavage drainage catheter and lavage drainage device

Technical Field

The invention relates to the technical field of medical instruments, in particular to an operating device of an irrigation drainage catheter and an irrigation drainage device.

Background

Currently, clinical chronic subdural hematoma refers to a case in which intracranial hemorrhage occurs in the subdural space more than three weeks after injury. The hematoma can generate an occupation effect after enlargement, which causes the compression of the ventricles and brainstem, and causes vomiting, disturbance of consciousness and headache. As the intracranial pressure is increased, CT diagnosis and operative intervention should be performed in time.

The existing main treatment method is skull drilling closed drainage, a doctor inserts a silica gel drainage catheter into the intracranial subdural space by opening a hole at the corresponding skull position of a patient, and repeatedly lavages and drains hematoma liquid until the suction liquid is clear so as to clear the hematoma liquid. However, the existing mode of directly adopting the silica gel drainage catheter causes poor convenience of operation.

Disclosure of Invention

The invention aims to provide an operation device of an irrigation drainage catheter and the irrigation drainage device, which are used for solving the technical problem that the operation is poor in convenience due to the fact that a silica gel drainage catheter is directly adopted in the prior art.

In a first aspect, the present invention provides an operating device for an irrigation drainage catheter, comprising a handle, a control button arranged at or near the handle; the handle is provided with a liquid injection port and a liquid suction port; the liquid injection port is connected with the liquid injection channel through a control valve, and the liquid suction port is connected with the liquid suction channel through a control valve; the control button is connected with the control valve and used for controlling the on-off of the liquid injection port and the liquid injection channel and/or the on-off of the liquid suction port and the liquid suction channel.

Further, the control button comprises a liquid injection button and a liquid suction button, and the control valve comprises a liquid injection control valve and a liquid suction control valve; the liquid injection button is connected with the liquid injection control valve and used for controlling the connection and disconnection of the liquid injection port and the liquid injection channel; the liquid suction button is connected with the liquid suction control valve and used for controlling the connection and disconnection of the liquid suction port and the liquid suction channel.

Further, the control button comprises a liquid injection button or a liquid suction button, and the liquid injection button is connected with the control valve and used for controlling the connection and disconnection of the liquid injection port and the liquid injection channel; the liquid suction button is connected with the control valve and used for controlling the connection and disconnection of the liquid suction port and the liquid suction channel. Further, the liquid injection port and the liquid suction port are arranged in the range of the near end of the handle.

Further, the distal ends of the liquid injection channel and the liquid suction channel are combined into the same channel in the drainage catheter.

Further, the liquid injection channel and the liquid suction channel respectively extend to the interior of the drainage catheter.

Further, the control valve comprises a liquid injection control valve and a liquid suction control valve, the liquid injection control valve is provided with a liquid injection inlet and a liquid injection outlet, and the liquid suction control valve is provided with a liquid suction inlet and a liquid suction outlet; or the control valve comprises a liquid injection inlet, a liquid injection outlet, a liquid suction inlet and a liquid suction outlet, the liquid injection outlet and the liquid suction inlet are the same or different interfaces, the liquid injection inlet is connected with the liquid injection port, the liquid injection outlet is connected with a first valve port of the multi-way valve, the liquid suction inlet is connected with a second valve port of the multi-way valve, and the liquid suction outlet is connected with the liquid suction port; the main channel of the drainage catheter is connected with a third port of the multi-way valve.

Further, the liquid injection control valve and the liquid suction control valve both comprise a valve body and a valve rod movably arranged on the valve body; the valve body is provided with a valve body inlet and a valve body outlet, and the valve rod is provided with a valve rod flow passage; the valve rod moves relative to the valve body, so that the valve rod flow channel can be communicated or disconnected with the valve body inlet and the valve body outlet.

Further, a communicating hole is formed in the valve body and is communicated with the valve rod flow channel and the outside; at least two groups of sealing structures are arranged between the valve body and the valve rod along the axial direction; in an initial state, at least one group of sealing structures disconnect the valve body inlet and the valve body outlet; and when the control button is pressed, the valve rod moves relative to the valve body so as to enable the valve rod flow passage to communicate the valve body inlet and the valve body outlet, and at least another group of sealing structures disconnect the communication hole from the valve rod flow passage.

Furthermore, the control button is arranged at the position corresponding to the index finger of the human hand.

Further, the device also comprises a steering mechanism; the steering mechanism comprises a steering wheel and an operation control rod, and the steering wheel is rotatably connected inside the handle and used for mounting a steering wire; the operation control rod is arranged on the handle and connected with the steering wheel and used for controlling the rotation of the steering wheel.

Furthermore, the handle is provided with a track limiting hole for the movement of the operation control rod.

Furthermore, the operation control rod is arranged at a position corresponding to the thumb of the human hand.

Furthermore, the screen-shot device also comprises a screen-shot button which is arranged on the handle.

Has the advantages that:

according to the operating device of the lavage drainage catheter provided by the invention, the liquid injection port is connected with the liquid injection channel through the control valve, the liquid suction port is connected with the liquid suction channel through the control valve, the control button is connected with the control valve, when liquid injection is needed, the control button is pressed, and the communication between the liquid injection port and the liquid injection channel can be controlled due to the connection between the control button and the control valve, otherwise, the control button is released, and the liquid injection port and the liquid injection channel can be disconnected under the control action of the control valve; similarly, when liquid is required to be sucked, the control button is pressed, the communication between the liquid sucking port and the liquid sucking channel can be controlled due to the connection between the control button and the control valve, and on the contrary, the control button is released, and the liquid sucking port and the liquid sucking channel can be disconnected under the control action of the control valve.

It is thus clear that this lavage drainage catheter's operating means can play the control action to annotating liquid and imbibition, and the operator presses control button when using, can assist the operation that realizes annotating liquid and imbibition, has improved the convenience of operation.

In a second aspect, the present invention provides an irrigation drainage device comprising: a drainage catheter and an operating device for an irrigation drainage catheter according to any of the previous embodiments; one end of the drainage catheter is connected with the handle.

Furthermore, an instrument channel is also arranged on the handle; a portion of the instrument channel is nested inside the drainage catheter.

Has the advantages that:

the irrigation drainage device provided by the invention comprises the operating device of the irrigation drainage catheter, so that the technical advantages and effects achieved by the irrigation drainage device also comprise the technical advantages and effects achieved by the operating device of the irrigation drainage catheter, and further description is omitted.

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 schematic structural view of an operating device of an irrigation drainage catheter provided in an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic plan view of an operating device for an irrigation drainage catheter according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view of the suction control valve in a disconnected state;

FIG. 5 is a sectional view of the suction control valve in a communicated state;

fig. 6 is a schematic structural view of an operating device of an irrigation drainage catheter provided in an embodiment of the invention at a second viewing angle;

FIG. 7 is a schematic structural view of an irrigation drainage device according to an embodiment of the present invention;

FIG. 8 is a schematic plan view of an irrigation drainage device provided in accordance with an embodiment of the invention;

fig. 9 is a sectional view taken along line B-B of fig. 8.

Icon:

10-a control button;

100-a handle; 110-liquid injection port; 120-a liquid suction port; 130-a track limiting hole;

200-liquid injection button;

300-a pipetting button; 310-a first ring cavity; 320-a second ring cavity;

400-a liquid suction control valve; 410-a valve body; 420-a valve stem; 430-a sealing structure; 411-valve body inlet; 412-valve body outlet; 413 — a first inner wall; 414-a second inner wall; 415-a communication hole; 421-valve stem flow passage;

500-a multi-way valve;

610-a steering wheel; 620-operating a control lever;

700-screenshot button;

800-drainage catheter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 3, the present embodiment provides an operating device for an irrigation drainage catheter, which includes ahandle 100, acontrol button 10 disposed at or near thehandle 100; thehandle 100 is provided with aliquid injection port 110 and aliquid suction port 120; theliquid injection port 110 is connected with a liquid injection channel through a control valve, and theliquid suction port 120 is connected with a liquid suction channel through a control valve; thecontrol button 10 is connected with a control valve and is used for controlling the on-off of theliquid injection port 110 and the liquid injection channel and/or the on-off of theliquid suction port 120 and the liquid suction channel.

In the operation device of the lavage drainage catheter provided by the embodiment, theliquid injection port 110 is connected with the liquid injection channel through the control valve, theliquid suction port 120 is connected with the liquid suction channel through the control valve, thecontrol button 10 is connected with the control valve, when liquid injection is needed, thecontrol button 10 is pressed, and the communication between theliquid injection port 110 and the liquid injection channel can be controlled due to the connection between thecontrol button 10 and the control valve, otherwise, thecontrol button 10 is released, and theliquid injection port 110 and the liquid injection channel can be disconnected under the control action of the control valve; similarly, when the liquid suction is required, thecontrol button 10 is pressed, and the communication between theliquid suction port 120 and the liquid suction channel can be controlled because thecontrol button 10 is connected with the control valve, otherwise, thecontrol button 10 is released, and theliquid suction port 120 and the liquid suction channel can be disconnected under the control action of the control valve.

It is thus clear that this lavage drainage catheter's operating means can play the control action to annotating liquid and imbibition, and the operator pressescontrol button 10 when using, can assist the operation of realizing annotating liquid and imbibition respectively, has improved the convenience of operation.

Specifically, the three states that can be achieved by thecontrol button 10 controlling the control valve are: theliquid injection port 110 is communicated with the liquid injection channel, theliquid suction port 120 is communicated with the liquid suction channel, theliquid injection port 110 is disconnected with the liquid injection channel, and theliquid suction port 120 is disconnected with the liquid suction channel simultaneously.

In other embodiments, thecontrol button 10 includes aliquid injection button 200 or aliquid suction button 300, and theliquid injection button 200 is connected with the control valve and used for controlling the connection and disconnection between theliquid injection port 110 and the liquid injection channel; theimbibition button 300 is connected with the control valve and is used for controlling the make-and-break of theimbibition port 120 and the imbibition channel.

In one embodiment of the present application, thecontrol button 10 includes apriming button 200 and apipetting button 300, and the control valve includes a priming control valve and apipetting control valve 400; theliquid injection button 200 is connected with the liquid injection control valve and is used for controlling the connection and disconnection of theliquid injection port 110 and the liquid injection channel; theimbibition button 300 is connected with theimbibition control valve 400 and is used for controlling the make-and-break of theimbibition port 120 and the imbibition channel.

Theliquid injection port 110 is connected with the liquid injection channel through the liquid injection control valve, when liquid injection is needed, theliquid injection button 200 is pressed, and as theliquid injection button 200 is connected with the liquid injection control valve, theliquid injection port 110 can be communicated with the liquid injection channel under the control action of the liquid injection control valve to realize liquid injection operation, otherwise, theliquid injection button 200 is released, and theliquid injection port 110 can be disconnected from the liquid injection channel under the control action of the liquid injection control valve; similarly, theimbibition port 120 is connected with the imbibition channel through theimbibition control valve 400, when imbibition is needed, theimbibition button 300 is pressed, and theimbibition button 300 is connected with theimbibition control valve 400, so that theimbibition port 120 is communicated with the imbibition channel under the control action of theimbibition control valve 400 to realize imbibition operation, otherwise, theimbibition button 300 is released, and theimbibition port 120 is disconnected with the imbibition channel under the control action of theimbibition control valve 400.

Further, apriming port 110 and apipetting port 120 are provided within the proximal end of thehandle 100 to facilitate priming and pipetting operations.

It should be noted that the end closer to the operator is positioned as a proximal end, and the end farther from the operator is positioned as a distal end.

Specifically, handle 100 can include handle epitheca and handle inferior valve, is equipped with the lock joint structure between handle epitheca and the handle inferior valve, can make both lock joints connect, so set up, can be convenient for the installation of button and other parts in thehandle 100, simultaneously, the dismouting ofhandle 100 of also being convenient for.

In this embodiment, the distal ends of the liquid injection channel and the liquid suction channel are combined into the same channel in the drainage catheter, and the same channel is a main channel of the drainage catheter, specifically, during liquid injection, liquid can enter the main channel of the drainage catheter through theliquid injection port 110 and the liquid injection control valve and can directly reach the affected part; when imbibing, the drainage fluid at the affected part can pass through the main channel of the drainage catheter, theimbibition control valve 400 and be discharged through theimbibition port 120.

In other embodiments, the fluid injection channel and the fluid suction channel each extend into the interior of the drainage catheter.

In this embodiment, the liquid injection control valve and the liquidsuction control valve 400 may have the same structure or different structures, and may have the same structure in consideration of manufacturing cost and general interchangeability of components.

In one embodiment of the present application, referring to fig. 3, the control valve includes a liquid injection control valve having a liquid injection inlet and a liquid injection outlet, and a liquidsuction control valve 400 having a liquid suction inlet and a liquid suction outlet; or, the control valve includes a liquid injection inlet, a liquid injection outlet, a liquid suction inlet and a liquid suction outlet, the liquid injection outlet and the liquid suction inlet are the same or different interfaces, the liquid injection inlet is connected with theliquid injection port 110, the liquid injection outlet is connected with the first valve port of themulti-way valve 500, the liquid suction inlet is connected with the second valve port of themulti-way valve 500, and the liquid suction outlet is connected with theliquid suction port 120; the main channel of the drainage catheter is connected to the third port of themulti-way valve 500.

When the liquid injection outlet and the liquid suction outlet are the same, a control valve can be arranged and provided with three connecting ports; when the liquid injection outlet and the liquid suction outlet are different outlets, one control valve can be arranged to be provided with four connecting ports, or two control valves are arranged to be respectively provided with two connecting ports.

Specifically, the liquid inlet and theliquid inlet 110, the liquid outlet and the first port of themulti-way valve 500, the liquid inlet and the second port of themulti-way valve 500, and the liquid outlet and theliquid inlet 120 may be connected by hoses.

Alternatively, themulti-way valve 500 may be a three-way valve.

Further, referring to fig. 4 and 5, each of the injection control valve and thesuction control valve 400 includes avalve body 410 and avalve stem 420 movably disposed on thevalve body 410; thevalve body 410 is provided with avalve body inlet 411 and avalve body outlet 412, and thevalve rod 420 is provided with a valverod flow passage 421; thevalve stem 420 moves relative to thevalve body 410 to enable the valvestem flow passage 421 to connect or disconnect thevalve body inlet 411 and thevalve body outlet 412.

Optionally, thevalve stem 420 is slidably coupled to thevalve body 410 to allow relative movement therebetween.

Specifically, referring to fig. 4 and 5, when thecontrol button 10 is not pressed, thevalve rod 420 is fixed relative to thevalve body 410, and at this time, the valverod flow passage 421, thevalve body inlet 411 and thevalve body outlet 412 are not communicated; when thecontrol button 10 is pressed rightward, thevalve rod 420 moves rightward relative to thevalve body 410, and at this time, the valverod flow passage 421, thevalve body inlet 411 and thevalve body outlet 412 are communicated, and in the process that thevalve rod 420 moves leftward relative to thevalve body 410 and returns to the initial state, the three are switched from the communicated state to the non-communicated state.

Further, acommunication hole 415 is formed in thevalve body 410, and thecommunication hole 415 communicates the valvestem flow passage 421 with the outside; two groups of sealingstructures 430 are arranged between thevalve body 410 and thevalve rod 420 along the axial direction; in the initial state, theright sealing structure 430 disconnects thevalve body inlet 411 from thevalve body outlet 412; pressing thecontrol button 10 moves thevalve stem 420 relative to thevalve body 410 to allow the valvestem flow passage 421 to communicate thevalve body inlet 411 with thevalve body outlet 412, while theleft sealing structure 430 disconnects thecommunication hole 415 from the valvestem flow passage 421.

It should be noted that, referring to fig. 4 and 5, the left and right sealing structures can be moved by thevalve rod 420.

Specifically, when thecontrol button 10 is not pressed, the sealingstructure 430 on the right side disconnects thevalve body inlet 411 from thevalve body outlet 412; meanwhile, the sealingstructure 430 on the left side enables thecommunication hole 415 to be communicated with the valverod flow channel 421 to ensure that the internal pressure and the external pressure are balanced; when thecontrol button 10 is pressed, thevalve rod 420 drives theright sealing structure 430 to move over thevalve body inlet 411, and the valverod flow passage 421 communicates thevalve body inlet 411 with thevalve body outlet 412; meanwhile, when thevalve rod 420 drives theleft sealing structure 430 to move over thecommunication hole 415, thecommunication hole 415 is disconnected from the valverod flow channel 421, and a suction sealing effect is achieved.

Furthermore, because the valverod flow channel 421 is communicated with thevalve body outlet 412, thecommunication hole 415 can be communicated with the liquid suction port through thevalve body outlet 412, so that a product can play a role in negative pressure buffering when being communicated with a negative pressure source, and tissues are prevented from being damaged.

Wherein, thevalve body outlet 412 is communicated with the valverod flow passage 421, and both are positioned between the two sealingstructures 430; thevalve stem 420 has a firstinner wall 413 and a secondinner wall 414, the firstinner wall 413 having an inner diameter greater than the inner diameter of the secondinner wall 414; thevalve body inlet 411 opens at the firstinterior wall 413 and the sealingstructure 430 is located between the secondinterior wall 414 and thevalve stem 420.

Specifically, because the internal diameter of firstinner wall 413 is greater than the internal diameter of secondinner wall 414, andvalve body import 411 sets up in firstinner wall 413, consequently, drive rightside seal structure 430 whenvalve rod 420 and remove, theseal structure 430 on right side removes and crossesvalve body import 411 to and form the clearance between the firstinner wall 413, this clearance can communicate withvalve body import 411, thereby makevalve body import 411,valve body export 412 andvalve rod runner 421 three communicate.

Optionally, the sealingstructure 430 includes a sealing ring and a groove disposed on thevalve rod 420 and used for clamping the sealing ring, and the groove disposed on thevalve rod 420 can effectively prevent the sealing ring from being separated from thevalve rod 420 in the process that thevalve rod 420 is forced to move or returns to the initial position.

Theliquid injection button 200 and theliquid suction button 300 can be integrally arranged with thevalve rod 420, namely theliquid injection button 200 and theliquid suction button 300 can be a part of thevalve rod 420, and thevalve rod 420 can be directly triggered to be communicated or disconnected.

Alternatively, theinjection button 200 and theliquid suction button 300 may be provided separately from thevalve rod 420, that is, theinjection button 200 and theliquid suction button 300 may be connected to thecorresponding valve rods 420.

In this embodiment, thepriming button 200 and thepriming button 300 are respectively connected to thecorresponding valve rods 420 to drive thevalve rods 420 to move.

Further, an elastic reset piece (not shown in the figures) is arranged between each of theliquid injection button 200 and theliquid suction button 300 and thecorresponding valve rod 420; the elastic deformation direction of the elastic resetting piece is the same as the pressing direction of theliquid injection button 200 or theliquid suction button 300; in the initial state of the elastic restoring member, the valvestem flow passage 421 disconnects thevalve body inlet 411 from thevalve body outlet 412.

In the initial state of the elastic resetting piece, the valverod flow passage 421 disconnects thevalve body inlet 411 from the valve body outlet 412 (see fig. 4 in particular); pressing thesuction button 300 to the right compresses the reset member to the right, thevalve stem 420 moves to the right, and the valvestem flow passage 421 connects thevalve body inlet 411 and the valve body outlet 412 (see fig. 5 in detail).

Optionally, the ends of thepriming button 200 and theimbibing button 300 away from the pressing end are provided with a firstannular cavity 310 and a secondannular cavity 320 which are concentrically arranged; one end of thevalve rod 420 is inserted into the firstannular cavity 310; one end of thevalve body 410 is inserted into the secondannular chamber 320.

The firstannular cavity 310 can be fixedly connected with thevalve rod 420, and the secondannular cavity 320 is matched with thevalve body 410 and can guide the pressing of the corresponding button.

In this embodiment, one end of thestem 420 is threadedly coupled to thefirst annulus 310.

In other embodiments, one end of thevalve stem 420 may be interference fit with the firstannular cavity 310 or glued.

Besides the above arrangement, the liquid injection control valve and the liquidsuction control valve 400 can also be electronic valves, and the electronic valves can be controlled to work by triggering corresponding buttons, so that the switching between liquid injection and liquid suction is realized.

On the basis of the above embodiment, referring to fig. 3, the operation device of the irrigation drainage catheter further comprises a steering mechanism; the steering mechanism comprises asteering wheel 610 and anoperation control rod 620, wherein thesteering wheel 610 is rotatably connected to the inner part of thehandle 100 and used for installing a steering wire; theoperation control lever 620 is provided to thehandle 100, and theoperation control lever 620 is connected to thesteering wheel 610 for controlling the rotation of thesteering wheel 610.

During operation, thesteering wheel 610 is rotated, thesteering wheel 610 can drive the action of the steering wires, the steering wires can be wound on thesteering wheel 610, and the parts connected with the steering wires can realize steering so as to play a role in adjustment.

Specifically, combine to this embodiment in, turn to one end fixed connection of silk indirective wheel 610, the distal end oflavage drainage catheter 800 is connected to the other end, and through the regulation that turns to control and then realize turning to of camera module to the distal end ofdrainage catheter 800, the change of the angle of realization camera module. In some techniques, a camera module is provided in thedrainage catheter 800 to enable visualization.

Furthermore, a baffle plate can be arranged on theoperation control rod 620 to block the steering wire fixing head so as to prevent the steering wire from being separated from thesteering wheel 610.

Referring to fig. 6, thehandle 100 is provided with atrack limiting hole 130 for theoperation control rod 620 to move, and the setting of the angle of the camera module can be realized by setting the length dimension of thetrack limiting hole 130, and if the angle of the camera module is increased, the length of thetrack limiting hole 130 can be increased.

Referring to fig. 6, in the present embodiment, the operation device of the lavage drainage catheter further includes ascreenshot button 700, and thescreenshot button 700 is disposed on thehandle 100 to implement a screenshot function.

Optionally, referring to fig. 1 and 2, theoperation control lever 620 is disposed at a position corresponding to a thumb of a hand, thepriming button 200 and theaspirating button 300 are disposed side by side and disposed at a position corresponding to a forefinger of the hand, and thescreenshot button 700 is disposed at a position corresponding to a middle finger of the hand.

Furthermore, the operating device of the lavage drainage catheter can be operated by the left hand and can also be operated by the right hand, so as to adapt to operators with different handedness.

Referring to fig. 7 to 9, the present embodiment further provides an irrigation drainage device, which includes adrainage catheter 800 and the aforementioned operation device for the irrigation drainage catheter; one end of thedrainage catheter 800 is connected to a handle device. The irrigation drainage device provided by the embodiment comprises the operating device of the irrigation drainage catheter, so that the technical advantages and effects which can be achieved by the irrigation drainage device also comprise the technical advantages and effects which can be achieved by the operating device of the irrigation drainage catheter, and further description is omitted.

Specifically, thedrainage catheter 800 may be asilicone drainage catheter 800 of the prior art.

Thedrainage catheter 800 has a main drainage catheter channel that is connected to the third port of themulti-way valve 500.

Further, thehandle 100 is provided with an instrument channel (not shown in the drawings); a portion of the instrument channel nests inside thedrainage catheter 800.

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 (16)

1. An operating device for an irrigation drainage catheter, comprising: comprises a handle (100), and a control button (10) is arranged at the handle (100) or a position close to the handle (100);

the handle (100) is provided with a liquid injection port (110) and a liquid suction port (120);

the liquid injection port (110) is connected with the liquid injection channel through a control valve, and the liquid suction port (120) is connected with the liquid suction channel through a control valve;

the control button (10) is connected with the control valve and is used for controlling the connection and disconnection of the liquid injection port (110) and the liquid injection channel and/or the connection and disconnection of the liquid suction port (120) and the liquid suction channel.

2. An operating device of an irrigation drainage catheter according to claim 1, characterized in that the control button (10) comprises a priming button (200) and a pipetting button (300), the control valve comprises a priming control valve and a pipetting control valve (400);

the liquid injection button (200) is connected with the liquid injection control valve and is used for controlling the connection and disconnection of the liquid injection port (110) and the liquid injection channel;

the liquid suction button (300) is connected with the liquid suction control valve (400) and is used for controlling the connection and disconnection of the liquid suction port (120) and the liquid suction channel.

3. An operating device of an irrigation drainage catheter according to claim 1, characterized in that the control button (10) comprises a priming button (200) or a priming button (300), the priming button (200) is connected with the control valve for controlling the on-off of the priming port (110) and the priming channel; the liquid suction button (300) is connected with the control valve and used for controlling the connection and disconnection of the liquid suction port (120) and the liquid suction channel.

4. An operating device of an irrigation drainage catheter according to claim 1, characterized in that the injection port (110) and the aspiration port (120) are provided within the proximal end of the handle (100).

5. An operating device according to claim 1, wherein the distal ends of the priming channel and the aspiration channel merge into the same channel within the drainage catheter.

6. An operating device according to claim 1, wherein the priming channel and the aspiration channel each extend into the interior of the drainage catheter.

7. An operating device of an irrigation drainage catheter according to claim 5, characterized in that the control valve comprises a filling control valve and a suction control valve (400), the filling control valve having a filling inlet and a filling outlet, the suction control valve (400) having a suction inlet and a suction outlet;

or the control valve comprises a liquid injection inlet, a liquid injection outlet, a liquid suction inlet and a liquid suction outlet, the liquid injection outlet and the liquid suction inlet are the same or different interfaces, the liquid injection inlet is connected with the liquid injection port (110), the liquid injection outlet is connected with a first valve port of the multi-way valve (500), the liquid suction inlet is connected with a second valve port of the multi-way valve (500), and the liquid suction outlet is connected with the liquid suction port (120); the main channel of the drainage catheter is connected with a third port of the multi-way valve (500).

8. An operating device of an irrigation drainage catheter according to claim 2, characterized in that the filling control valve and the suction control valve (400) each comprise a valve body (410) and a valve stem (420) movably arranged to the valve body (410);

a valve body inlet (411) and a valve body outlet (412) are arranged on the valve body (410), and a valve rod flow passage (421) is arranged on the valve rod (420);

the valve rod (420) moves relative to the valve body (410) to enable the valve rod flow passage (421) to connect or disconnect the valve body inlet (411) and the valve body outlet (412).

9. An operating device of an irrigation drainage catheter according to claim 8, characterized in that the valve body (410) is provided with a communicating hole (415), the communicating hole (415) communicates the valve stem flow passage (421) with the outside;

at least two groups of sealing structures (430) are arranged between the valve body (410) and the valve rod (420) along the axial direction;

in an initial state, at least one set of the sealing structures (430) disconnects the valve body inlet (411) from the valve body outlet (412); when the control button (10) is pressed, the valve rod (420) moves relative to the valve body (410) so that the valve rod flow channel (421) is communicated with the valve body inlet (411) and the valve body outlet (412), and meanwhile, at least one group of sealing structures (430) disconnect the communication hole (415) from the valve rod flow channel (421).

10. An operating device for an irrigation drainage catheter according to claim 1, characterized in that the control button (10) is arranged at a position corresponding to the index finger of a human hand.

11. An operating device for an irrigation drainage catheter according to any of the claims 1-10, further comprising a steering mechanism;

the steering mechanism comprises a steering wheel (610) and an operation control rod (620), wherein the steering wheel (610) is rotatably connected to the inner part of the handle (100) and is used for installing a steering wire;

the operation control rod (620) is arranged on the handle (100), and the operation control rod (620) is connected with the steering wheel (610) and used for controlling the rotation of the steering wheel (610).

12. An operating device for an irrigation drainage catheter according to claim 11, characterized in that the handle (100) is provided with a track limiting hole (130) for the operating control rod (620) to move.

13. An operating device for an irrigation drainage catheter according to claim 11, characterized in that the operating lever (620) is arranged in a position corresponding to the thumb of a person.

14. An operating device of an irrigation drainage catheter according to claim 13, further comprising a screenshot button (700), the screenshot button (700) being provided on the handle (100).

15. An irrigation drainage device, comprising: a drainage catheter (800) and an operating device for an irrigation drainage catheter according to any of claims 1-14;

one end of the drainage catheter (800) is connected with the handle (100).

16. The irrigation drainage device according to claim 15, wherein an instrument channel is further provided on the handle (100);

a portion of the instrument channel is nested inside the drainage catheter (800).

Images