CN109171831B

CN109171831B - Suction flusher

Info

Publication number: CN109171831B
Application number: CN201811101430.7A
Authority: CN
Inventors: 陈维中; 陈新丰
Original assignee: Unimicro Medical Systems Shenzhen Co ltd
Current assignee: Unimicro Medical Systems Shenzhen Co ltd
Priority date: 2018-09-20
Filing date: 2018-09-20
Publication date: 2024-04-30
Anticipated expiration: 2038-09-20
Also published as: CN109171831A

Abstract

The invention relates to the field of surgical instruments, and discloses a straight-through type suction flusher, which comprises a suction flusher main body, a first pipeline, a second pipeline and a third pipeline, wherein the second pipeline and the third pipeline are arranged in parallel and are respectively communicated with the first pipeline, the second pipeline and the third pipeline are respectively controlled to be on-off through independent switches, and when the second pipeline is in a conducting state, the first pipeline and the second pipeline form a suction runner; when the third pipeline is in a conducting state, the first pipeline and the third pipeline form a flushing flow passage. According to the invention, the internal pipeline of the suction flusher is changed into the straight-through structure, so that the improved straight-through suction flusher is not easy to block, convenient to clean and use, simple in structure and easy to realize.

Description

Suction flusher

Technical Field

The present invention relates to surgical instruments, and more particularly to an aspiration irrigator.

Background

In minimally invasive surgery, aspiration irrigators are commonly used to clean the surgical site and to aspirate away debris or fluids from the surgical site, such as blood or mucus, in particular by: the aspiration irrigation device may be used to place the end of the tubing at the surgical site, irrigate the site by spraying fluid into the site, or aspirate debris or fluid from the surgical site through the tubing. When the traditional suction flusher sucks in waste liquid in a body, due to the structural design of the suction flusher, impurities are easy to block in the suction flusher, and the use and cleaning of the suction flusher are not facilitated, so that the suction flusher which is not easy to block is needed to meet the current needs.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a suction flusher, which is used for solving the problem that the suction flusher is easy to block in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

The suction flusher is characterized by comprising a suction flusher main body, a first pipeline, a second pipeline and a third pipeline, wherein the second pipeline and the third pipeline are arranged in parallel and are respectively communicated with the first pipeline, and the second pipeline and the third pipeline are respectively controlled to be on-off through independent switches, wherein when the second pipeline is in a conducting state, the first pipeline and the second pipeline form a suction flow channel; when the third pipeline is in a conducting state, the first pipeline and the third pipeline form a flushing flow passage.

As a further improvement of the above scheme, the suction irrigator further comprises a positioning piece fixed on the suction irrigator main body, the switch comprises a handle, a pressing piece and a spring, the pressing piece is elastically connected with the suction irrigator main body through the spring, and in an initial state, the second pipeline and the third pipeline are respectively pressed on the corresponding positioning piece by the pressing piece corresponding to the switch so as to be in a turn-off state; the handle can drive the compressing piece to move, so that the second pipeline and the third pipeline are reset under the self elastic action to be in a conducting state.

As a further improvement mode of the scheme, the locating piece comprises a first locating piece and a second locating piece which are fixed on the suction flusher main body, wherein the first locating piece and the second locating piece are respectively provided with a first locating groove for the first pipeline to pass through, one end of the second locating piece exceeds the first locating piece, and the exceeding part of the second locating piece is provided with a second locating groove for the second pipeline to pass through.

As a further improvement of the above solution, the positioning sheet further includes a third positioning sheet fixed on the suction irrigator body and located between the first positioning sheet and the second positioning sheet, the third positioning sheet is provided with a first positioning slot through which the first pipe passes, and a second positioning slot through which the second pipe passes, one end of the third positioning sheet exceeds the second positioning sheet, and a third positioning slot through which the third pipe passes is provided at an exceeding portion of the third positioning sheet.

As a further improvement mode of the scheme, anti-adhesion layers are arranged on the inner surfaces of the first pipeline, the second pipeline and the third pipeline.

As a further development of the above, it comprises an extension duct and the suction irrigator of any one of claims 1 to 5, said extension duct being connected to said suction irrigator body and communicating with said first duct.

As a further improvement mode of the scheme, the device further comprises a converging piece, wherein the converging piece comprises three channels which are arranged in parallel, and converging cavities which are respectively communicated with the three channels, and the tail end of the first pipeline, the tail end of the second pipeline and the tail end of the third pipeline are respectively communicated with the corresponding channels.

As a further improvement mode of the scheme, the device further comprises a connector and a plug, wherein connecting structures for detachably connecting the connector and the extension pipe are arranged on the connector and the confluence piece, an inlet and an outlet for communicating the extension pipe are arranged on the connector and the confluence piece, and when the extension pipe is connected with the connector, the plug plugs the inlet and the outlet on the confluence piece; when the extension pipeline is connected with the confluence piece, the plug plugs the inlet and the outlet on the connector.

As a further improvement of the above-mentioned aspect, the extension pipe includes a pipe orifice and a pipe body, the pipe orifice and the pipe body are connected by a connecting section, and the diameter of the connecting section is smaller than the diameter of the pipe body.

As a further improvement mode of the scheme, a plurality of groups of round holes are axially formed in the pipe wall of the pipeline opening, and each group of round holes comprises a plurality of round holes distributed along the circumferential direction of the pipeline opening.

The beneficial effects of the invention are as follows:

the invention changes the internal channel of the suction flusher into the straight-through pipeline structure, so that the improved suction flusher is not easy to be blocked, is convenient to clean and use, has a simple structure and is easy to realize.

Drawings

The invention will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

FIG. 2 is an exploded view of one embodiment of the present invention;

FIG. 3 is an enlarged schematic view of area A of FIG. 2;

FIG. 4 is a schematic diagram of a switching section of one embodiment of the present invention;

fig. 5 is a schematic perspective view of an embodiment of the present invention.

Detailed Description

The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, front, rear, etc. used in the present invention are merely with respect to the mutual positional relationship of the respective constituent elements of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

Referring to fig. 1, a schematic structural diagram of one embodiment of the present invention is shown. As shown in the drawing, the embodiment includes a suction irrigator body 1 and an extension pipe 2, and in order to prevent possible blockage during use, the pipes inside the body 1 are selected from straight pipes, namely a first pipe 111, a second pipe 112 and a third pipe 113, wherein the first pipe 111 is directly communicated with the extension pipe 2, and the second pipe 112 and the third pipe 113 are alternatively communicated with the first pipe 111, so as to form a suction flow channel and a flushing flow channel respectively.

Specifically, the suction flusher further comprises a converging piece 15, three channels are arranged at the top end of the converging piece 15, a converging cavity is arranged at the bottom end of the converging piece, the three channels are respectively communicated with the top end of the converging cavity, and the bottom end of the converging cavity penetrates through the converging piece 15 to form a connecting port. The first pipe 111, the second pipe 112 and the third pipe 113 are inserted into the three channels, respectively.

In operation, the second pipeline 112 and the third channel 113 are respectively controlled to be on-off by independent switches, wherein the first switch 121 independently controls the second pipeline 112, the second switch 122 independently controls the third pipeline 113, and when the second pipeline 112 is in a conducting state, the first pipeline 111 and the second pipeline 112 form a suction flow channel; when the third pipe 113 is in a conducting state, the first pipe 111 and the third pipe 113 form a flushing flow channel.

Because the toughness of the hose can be kept by adding mixed grease when the common hose is extruded, under the condition of long-time extrusion, grease on the side wall of the hose can be separated out and stuck together, so that the function of the embodiment is invalid, a layer of anti-sticking material is coated on the inner surface and the outer surface of the hose, namely, a non-sticking through hose is selected to enable the embodiment to achieve a better effect.

Referring to fig. 2 and 3, fig. 2 shows an exploded view of one embodiment of the present invention, and fig. 3 is an enlarged view of area a of fig. 2. As shown in fig. 2, one end of the first pipe 111 is detachably connected to the connecting portion 22 of the extension pipe through the connector 14, the other end is communicated with the converging cavity of the converging member 15, and the connecting port at the bottom of the converging cavity is plugged through the separable plug 17 and is sealed through the sealing ring 16 mounted on the plug 17. The specific connection mode is shown in fig. 3.

As shown in fig. 3, the plug 17 is provided with a plurality of protrusions 171, the bottom of the confluence member 15 is provided with a plurality of grooves 151, the grooves 151 comprise inlet sections for the protrusions 171 to enter the grooves 151, and containing sections for containing the protrusions 171 after the plug 17 is connected with the confluence member 15 in place, wherein the inlet sections are higher than the protrusions 171 and are horn-shaped so as to facilitate the introduction of the protrusions 171; the height and length of the receiving section are compatible with the projection 171. A protruding limit portion is further provided on the groove wall between the inlet section and the receiving section, the limit portion being used for preventing the protrusion 171 from being separated from the receiving section. When the plug 17 is used, a part of the plug 17 is inserted into the converging cavity through the connecting port of the converging piece 15, then the protrusion 171 enters the groove 151 from the inlet section of the groove 151, then the protrusion 171 passes over the limiting part through the rotation of the lower fixing piece 24 until being completely clamped into the accommodating section, and a sealing structure is formed through the sealing ring 16, so that the connection between the plug 17 and the converging piece 15 is realized.

Referring to fig. 2 and 3, in the present embodiment, the confluence member 15 and the connection head 14 have the same connection structure, that is, the connection head 14 has the same structure as the groove 151 to connect with the extension pipe, so that the extension pipe 2 can be freely connected to the connection head 14 or the confluence member 15, and since the first pipe 111 is not controlled by a switch and is always through, the connection of the extension pipe 2 with the connection head 14 or the confluence member 15 can maintain the connection between the extension pipe 2 and the first pipe 111, thereby ensuring the normal use of the suction flusher.

If the connection position of the extension pipe 2 does not need to be changed, the connection structure connected with the extension pipe 2 does not need to be arranged on the confluence piece 15, and meanwhile, the bottom end of the confluence cavity can be in a closed state without arranging a connection port.

In this embodiment, the surface of the plug 17 and the extending pipe connecting portion 22 has a plurality of concave portions, and the concave portions are attached to the fingers to facilitate the application of force.

The extension pipeline of this embodiment includes pipeline mouth and pipeline main part, is connected through the linkage segment between pipeline mouth and the pipeline main part, and the diameter of linkage segment is less than the diameter of pipeline main part to can increase the interior water velocity of pipeline, make to wash cleaner swiftly. In addition, be equipped with multiunit round hole along the axial on the pipe wall of pipeline mouth, every group round hole includes a plurality of round holes of circumference distribution along the pipeline mouth, and it can increase the suction/washing area of extension pipeline, has further prevented the jam of iron pipe. In addition, the round angle of the end part of the pipeline opening is increased, and the risk of tissue scratch is reduced.

Referring to fig. 4, a schematic diagram of the switching section of one embodiment of the present invention is shown. As shown in the figure, the illustration content includes a main body housing part and a switch part, in this embodiment, two main body housings of the whole suction flusher are symmetrically buckled, so that the main body housing 13 is selected as an analysis object, 3 positioning pieces are arranged on the main body housing 13, namely a first positioning piece 131, a second positioning piece 132 and a third positioning piece 133, wherein the first positioning piece 131 is provided with 1 positioning slot, the second positioning piece 132 is provided with 3 positioning slots, and the third positioning piece 133 is provided with 2 positioning slots. The left ends of the first positioning piece 131, the second positioning piece 132 and the third positioning piece 133 are aligned, the right end of the first positioning piece 131 is shorter than the right end of the second positioning piece 132, and at least a gap for arranging the second pipeline 112 and the third pipeline 113 in parallel is arranged between the first positioning piece 131 and the second positioning piece 132; the right end of the third positioning piece 133 is shorter than the right end of the second positioning piece 132 with at least a gap for the third pipe 113 to be placed between.

The switch in this embodiment is a grip switch, which includes a handle and a pressing member, and the handle is rotatably connected to the suction irrigator body 1 and abuts against the pressing member. The compressing piece is provided with a compressing groove and is elastically connected with the suction flusher body 1 through a compressing spring.

The present embodiment is provided with the first switch 121 and the second switch 122 which are independently controlled, the first pipe 111 and the second pipe 112 pass through the first pressing groove 123 of the first switch 121 and the second pressing groove 124 of the second switch 122 at the same time, and the third pipe 113 passes through the second pressing groove 124 of the second switch 122. When the first pipeline 111 is installed, the first positioning piece 131, the second positioning piece 132 and the third positioning piece 133 are positioned together, namely, the first pipeline 111 passes through the left positioning groove of the first positioning piece 131, the left positioning groove of the second positioning piece 132 and the left positioning groove of the third positioning piece according to the direction of the drawing; the second pipe 112 is positioned by the middle positioning groove of the second positioning piece 132 and the right positioning groove of the third positioning piece 133; the third through pipe 113 is positioned by the right positioning groove of the second positioning piece 132.

The first pipe 111 is always connected, the first switch 121 controls the on and off of the second through pipe 112, and the second switch 122 controls the on and off of the third through pipe 113. The principle that the first switch 121 and the second switch 122 control the opening and closing of the pipeline is the same, that is, under the action of the spring, in the initial state, the first pressing groove 123 of the first switch 121 presses the second pipeline 112 on the rear end side wall of the first positioning piece 131, and the second pipeline 112 is in the closed state. Similarly, the second pressing groove 124 of the second switch 122 presses the third duct 113 against the rear end side wall of the third positioning piece 133, and the third duct 113 is also in the closed state.

When the suction flow channel needs to be connected, the handle of the first switch 121 is pressed to rotate towards the suction irrigator main body 1, meanwhile, the handle pushes the pressing piece of the first switch 121 to move, the extrusion of the second pipeline 112 is released, the second pipeline 112 is restored under the action of self elastic force, the second pipeline 112 is in a conducting state, and then the chips or liquid at the operation part can be sucked out through the sequence of the extension pipeline 2-the confluence piece 15-the second pipeline 112. When the pressing of the handle of the first switch 121 is released, the spring pushes the pressing member to reset, the pressing member presses the second duct 112, and the second duct 112 is restored to the closed state.

When the irrigation flow channel needs to be connected, the handle of the second switch 122 is pressed to rotate towards the suction irrigator main body 1, meanwhile, the handle pushes the pressing piece of the second switch 122 to move, the extrusion of the third pipeline 113 is released, the third pipeline 113 is restored under the action of self elastic force, the third pipeline 113 is in a conducting state, and then external irrigation liquid can irrigate an operation part through the sequence of the third pipeline 113, the confluence piece 15 and the extension pipeline 2. When the pressing of the handle of the second switch 122 is released, the spring pushes the pressing member to reset, the pressing member presses the third duct 113, and the third duct 113 is restored to the closed state.

Referring to fig. 5, fig. 5 is a perspective view of an embodiment of the present invention. As shown in the figure, the external structure of the assembled hand-held part of the embodiment of the invention accords with the shape of human hands, is comfortable and stable, and the handle switch accords with the key curve of human engineering, so that fingers are more comfortable when the hand-held part is pressed, the size of the switch is different, the color is different (not shown), and the difference of the sucking and sucking functions is easier to distinguish.

While the application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions may be made therein without departing from the spirit of the application and that these changes and substitutions are intended in the scope of the application as defined by the appended claims.

Claims

1. The suction flusher is characterized by comprising a suction flusher main body, a first pipeline, a second pipeline, a third pipeline, a positioning sheet and an extension pipeline, wherein the second pipeline and the third pipeline are arranged in parallel and are respectively communicated with the first pipeline, and the second pipeline and the third pipeline are respectively controlled to be on-off through independent switches, wherein when the second pipeline is in a conducting state, the first pipeline and the second pipeline form a suction runner; when the third pipeline is in a conducting state, the first pipeline and the third pipeline form a flushing flow passage; the switch comprises a handle, a pressing piece and a spring, wherein the pressing piece is elastically connected with the suction flusher main body through the spring, and in an initial state, the second pipeline and the third pipeline are respectively pressed on the corresponding positioning sheet by the pressing piece corresponding to the switch so as to be in an off state; the handle can drive the compressing piece to move so that the second pipeline and the third pipeline are reset under the self elastic action to be in a conducting state;

The positioning sheet is positioned in the suction flusher main body, the positioning sheet comprises a first positioning sheet and a third positioning sheet, first positioning grooves for the first pipeline to pass through are respectively formed in the first positioning sheet and the third positioning sheet, one end of the third positioning sheet exceeds the first positioning sheet, and a second positioning groove for the second pipeline to pass through is formed in the exceeding part of the third positioning sheet;

The method comprises the steps of setting a switch for controlling the on-off of a second pipeline as a first switch and setting a switch for controlling the on-off of a third pipeline as a second switch, wherein a first compression groove for allowing the first pipeline and the second pipeline to pass through is formed in the first switch, and a second compression groove for allowing the first pipeline, the second pipeline and the third pipeline to pass through is formed in the second switch;

Under the action of the spring, the first pressing groove presses the second pipeline on the rear end side wall of the first positioning piece so as to enable the second pipeline to be in a closed state; the second pressing groove presses the third pipeline on the rear end side wall of the third positioning piece so as to enable the third pipeline to be in a closed state;

the extension tubing is connected to the suction irrigator body and communicates with the first tubing.

2. The suction irrigator of claim 1, wherein the locating piece further comprises a second locating piece fixed on the suction irrigator body and located between the first locating piece and the third locating piece, a third locating groove for the first pipeline to pass through and a fourth locating groove for the second pipeline to pass through are formed in the second locating piece, one end of the second locating piece exceeds the third locating piece, and a fifth locating groove for the third pipeline to pass through is formed in an exceeding portion of the third locating piece.

3. The suction irrigator of claim 1 wherein the first, second and third conduits are each provided with an anti-adhesive layer on the inner surfaces thereof.

4. The suction irrigator of claim 1, further comprising a converging member comprising three channels arranged side by side and a converging chamber in communication with each of the three channels, the trailing end of the first conduit, the trailing end of the second conduit, and the trailing end of the third conduit being in communication with the corresponding channels, respectively.

5. The suction irrigator of claim 4, further comprising a connector and a plug, wherein the connector and the converging piece are provided with connecting structures for detachably connecting with the extension pipe, the connector and the converging piece are provided with an inlet and an outlet for communicating with the extension pipe, and the plug plugs the inlet and the outlet on the converging piece when the extension pipe is connected with the connector; when the extension pipeline is connected with the confluence piece, the plug plugs the inlet and the outlet on the connector.

6. The suction irrigator of claim 1 wherein the extension conduit comprises a conduit mouth and a conduit body, the conduit mouth and conduit body being connected by a connecting section, the connecting section having a diameter less than the diameter of the conduit body.

7. The suction irrigator of claim 6 wherein a plurality of sets of circular holes are axially formed in the wall of the conduit opening, each set of circular holes comprising a plurality of circular holes distributed circumferentially about the conduit opening.