CN212547791U - Anti-blocking suction device for operation - Google Patents

Abstract

The utility model discloses a surgery is with preventing blockking up suction device, include: the suction tube is provided with a suction end and a discharge end, and a plurality of tube wall suction holes are distributed on the tube wall of the suction tube close to the suction end; the discharge end is externally connected with a negative pressure device; the outer tube of cover on drawing the pipe, it includes: the outer sleeve comprises an outer sleeve body and an elastic cylindrical grid, wherein one end of the elastic cylindrical grid is connected with the suction end, and the other end of the elastic cylindrical grid is connected with the outer sleeve body; the elastic cylindrical grating is provided with a state that the elastic cylindrical grating can be expanded to form a plurality of grating holes and a state that the elastic cylindrical grating can be folded at the suction end; the outer cannula body can reciprocate along the axial direction of the suction tube so as to enable the elastic cylindrical grid to assume an expandable state and a collapsible state. The plurality of grid holes formed by the elastic cylindrical grid in the spreading state can block solid matters such as crushed materials, chips, bone particles, blood clots and the like of soft tissues in an operation area to be operated, and avoid blocking suction holes on the tube wall. Therefore, the operation process of an operator is simplified, and the operation progress is improved.

Description

Anti-blocking suction device for operation

Technical Field

The application relates to the technical field of medical equipment, in particular to an anti-blocking suction device for operation.

Background

In laparoscopic surgery or open surgery, suction tubes are usually used to suck up blood, tissue fluids, pus, irrigation fluids, exudates and other unwanted liquid substances in the surgical field that affect the progress of the surgery. The end of the suction end of the traditional suction tube and the tube wall close to the suction end are provided with suction holes to disperse the negative pressure suction force. In the process of sucking the liquid substances, solid substances such as partial soft tissue particles, fragments, bone particles, blood clots and the like can block the suction holes, and at the moment, an operator is required to pause the operation and clean the blocked suction tube, so that the operation progress is delayed and the operation progress is influenced.

SUMMERY OF THE UTILITY MODEL

The application aims at providing an anti-blocking suction device for operation, which can avoid blocking suction holes, thereby improving the operation process.

The application provides a surgery is with preventing blockking up suction device includes:

the suction tube is provided with a suction end and a discharge end, and a plurality of tube wall suction holes are distributed on the tube wall of the suction tube close to the suction end; the discharge end is externally connected with a negative pressure device;

the cover establish the outer tube on attract the pipe, it includes: the outer sleeve comprises an outer sleeve body and an elastic cylindrical grating, wherein one end of the elastic cylindrical grating is connected with the suction end, and the other end of the elastic cylindrical grating is connected with the outer sleeve body; the elastic cylindrical grille has a state of being capable of being opened to form a plurality of grille holes and a state of being folded at the suction end; the outer sleeve body can reciprocate along the axial direction of the suction tube; the outer sleeve body moves along the direction from the discharge end to the suction end so as to expand the elastic cylindrical grating and form the plurality of grating holes, and moves along the direction from the suction end to the discharge end so as to fold the expanded elastic cylindrical grating.

Further, the anti-clogging suction device for operation is characterized in that the plurality of tube wall suction holes are all located in the expanded elastic cylindrical grating.

Further, the anti-clogging suction device for operation, wherein the length of the elastic cylindrical grille after being folded is larger than the length of the tube body of the suction tube with the plurality of tube wall suction holes.

Further, the anti-clogging suction device for operation is characterized in that the outer surface of the folded elastic cylindrical grating is flush with the outer surface of the outer sleeve body.

Further, the surgical anti-clogging suction device, wherein the elastic cylindrical grid comprises: the elastic connecting ribs are sequentially arranged at intervals; one end of the elastic connecting rib is connected with the suction end, and the other end of the elastic connecting rib is connected with the outer sleeve body.

Further, the anti-blocking suction device for the operation is characterized in that the elastic cylindrical grating further comprises a plurality of elastic connecting strips, and the elastic connecting strips are sequentially arranged at intervals and connected with the elastic connecting ribs.

Further, the surgical anti-clogging suction device further comprises: the push-pull mechanism is used for enabling the outer sleeve to move back and forth along the direction from the suction end to the discharge end in a pushing or pulling mode; the push-pull mechanism comprises: the push button is arranged on the outer sleeve tube body, and the guide assembly is arranged between the outer sleeve tube body and the suction tube; the guide assembly includes: the outer sleeve comprises a guide groove arranged on the inner wall of the outer sleeve body or on the outer wall of the suction tube and a sliding block arranged on the outer wall of the suction tube or on the inner wall of the outer sleeve body, wherein the sliding block is arranged in the guide groove in a sliding manner, and the length direction of the guide groove is the direction from the suction end to the discharge end.

Further, the anti-clogging suction device for operation, wherein the push-pull mechanism further comprises: the limiting assembly is arranged between the outer sleeve body and the suction tube and is used for controlling the size of the expanded elastic cylindrical grating; the spacing subassembly includes: the device comprises a plurality of buckling positions and elastic buckles, wherein the buckling positions are sequentially distributed from a suction end to a discharge end; the buckling position is arranged on the inner wall of the outer sleeve body or the outer wall of the suction pipe, and the elastic buckle is arranged on the outer wall of the suction pipe or the inner wall of the outer sleeve body.

Further, the surgical anti-clogging suction device further comprises: a control valve connected between the discharge end and a negative pressure device, the control valve comprising: the valve comprises a valve body, a control switch, a first interface and a second interface, wherein the control switch, the first interface and the second interface are arranged on the valve body, the first interface is communicated with the discharge end, the second interface is communicated with a negative pressure device, and the control switch is used for controlling the connection or disconnection of the first interface and the second interface.

Further, the surgical anti-clogging suction device, wherein the control valve further comprises: the third interface is arranged on the valve body and is used for connecting a flushing source; the control switch is also used for controlling the connection or disconnection of the first interface and the third interface, or controlling the first interface, the second interface and the third interface to be disconnected; when the control switch controls the first interface and the second interface to be connected, the first interface and the third interface are disconnected; when the control switch controls the first interface and the second interface to be disconnected, the first interface and the third interface are connected.

The utility model has the advantages that:

the application provides an anti-clogging suction device for operation includes: the suction tube is provided with a suction end and a discharge end, and a plurality of tube wall suction holes are distributed on the tube wall of the suction tube close to the suction end; the discharge end is externally connected with a negative pressure device; the cover establish the outer tube on attract the pipe, it includes: the outer sleeve comprises an outer sleeve body and an elastic cylindrical grating, wherein one end of the elastic cylindrical grating is connected with the suction end, and the other end of the elastic cylindrical grating is connected with the outer sleeve body; the elastic cylindrical grille has a state of being capable of being opened to form a plurality of grille holes and a state of being folded at the suction end; the outer sleeve body can reciprocate along the axial direction of the suction tube; the outer sleeve body moves along the direction from the discharge end to the suction end so as to expand the elastic cylindrical grating and form the plurality of grating holes, and moves along the direction from the suction end to the discharge end so as to fold the expanded elastic cylindrical grating. The elastic cylindrical grating forms a plurality of grating holes in the expanded state, and the grating holes can block solid matters such as crushed materials, chips, bone particles, blood clots and the like of soft tissues in an operation area to be operated, so that the suction holes on the tube wall are prevented from being blocked. Therefore, the operation process of an operator is simplified, and the operation progress is improved.

Drawings

FIG. 1 is a first schematic structural view of the surgical anti-clogging suction device provided in the present application;

FIG. 2 is a second schematic structural view of the surgical anti-clogging suction device provided in the present application;

FIG. 3 is a schematic structural view of a control valve of the surgical anti-clogging suction device provided by the present application;

FIG. 4 is a schematic view of the surgical anti-clogging suction device according to the present application after the elastic cylindrical grille is opened.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

The application provides an anti-blocking suction device for operations, which is mainly used for sucking unwanted liquid substances influencing the operation process, such as blood, tissue fluid, pus, flushing fluid, effusion and the like in a laparoscopic operation or an open type operation area. The elastic cylindrical grating is convenient to insert the suction device into a focus under a furled state, and is in a lantern shape under an unfolded state so as to block solid matters such as crushed soft tissue, chips, bone particles, blood clots and the like in an operation area to be operated and avoid blocking suction holes in the tube wall. Therefore, the operation process of an operator is simplified, and the operation progress is improved.

Referring to fig. 1 and 2, the anti-clogging suction device for operation provided in this embodiment includes: a suction tube 10, an outer sleeve 20, an elastic cylindrical grid 22, a push-pull mechanism 40 and a control valve 50.

The suction tube 10 is a hollow tubular structure, the suction tube 10 is provided with a suction end 11 and a discharge end 12, the suction end 11 of the suction tube 10 is one end extending into an operation area to be operated, the discharge end 12 of the suction tube 10 is externally connected with a negative pressure device, and the negative pressure device works to enable the suction end 11 to generate negative pressure suction force, so that unnecessary liquid substances such as blood, tissue fluid, pus, flushing fluid, effusion and the like influencing the operation process in the operation area are sucked and removed. The pipe wall of the suction pipe 10 close to the suction end 11 is provided with a plurality of pipe wall suction holes 13, meanwhile, the end part of the suction end 11 is also provided with an end part suction hole 14, the plurality of pipe wall suction holes 13 can share the negative pressure suction force of the suction end 11, the tissue adhesion caused by the overlarge negative pressure suction force is avoided, and the damage to the tissue in the operation area is reduced.

The outer sleeve 20 is sleeved on the suction tube 10, wherein the outer sleeve 20 comprises an outer sleeve body 21 and an elastic cylindrical grid 22, one end of the elastic cylindrical grid 22 is connected with the suction end 11, and the other end of the elastic cylindrical grid 22 is connected with the outer sleeve body 21. The elastic cylindrical grill 22 has a state in which it can be expanded to form a plurality of grill holes and a state in which it can be retracted to the suction end. The outer sheath body 21 is reciprocally movable in the axial direction of the suction tube 10, that is, the outer sheath body 21 is reciprocally movable in the direction from the suction end 11 to the discharge end 12. In other words, the outer sleeve body 21 can move in the direction from the suction end 11 to the discharge end 12, and can also move in the direction from the discharge end 12 to the suction end 11. The outer cannula body 21 reciprocates along the axial direction of the suction tube 10, so that the elastic cylindrical grid 22 assumes an expandable state or a collapsible state, and in the expandable state, a plurality of grid holes are formed on the elastic cylindrical grid 22, and the grid holes can block solid matters such as crushed soft tissue, debris, bone particles, blood clots and the like at the focus. In the folded state, the elastic cylindrical grid 22 is folded outside the tube wall of the suction tube 10 provided with the plurality of tube wall suction holes 13, so that the suction device can be smoothly inserted into an operation area to be operated.

Specifically, the outer cannula body 21 moves along the direction from the discharge end 12 to the suction end 11, the elastic cylindrical grid 22 is spread, the elastic cylindrical grid 22 is elastically deformed and shaped like a lantern in the spreading process, a plurality of grid holes are formed in the lantern-shaped elastic cylindrical grid 20, and all the grid holes can block solid matters such as crushed soft tissue, debris, bone particles, blood clots and the like in an operation area to be operated, so that the pipe wall suction holes 13 are prevented from being blocked by the solid matters. The outer tube 20 moves in the direction from the suction end 11 to the discharge end 12, so that the expanded elastic cylindrical grille 22 is closed outside the tube wall of the suction tube 10 in which the plurality of tube wall suction holes 13 are arranged.

It can be understood that the outer cannula body 21 is positioned outside the tube wall of the suction tube 10 where the plurality of tube wall suction holes 13 are not arranged, and the elastic cylindrical grid 22 is positioned outside the tube wall of the suction tube 10 where the plurality of tube wall suction holes 13 are arranged.

In a preferred embodiment, all the tube wall suction holes 13 are distributed over the tube wall of the suction tube 10 near the suction end 11, and all the tube wall suction holes 13 are located in the opened elastic cylindrical grille 22 in a lantern shape, so that all the tube wall suction holes 13 can suck unnecessary liquid substances such as blood, tissue fluid, pus, irrigation fluid, and exudate, which affect the progress of the operation, in the opened state of the elastic cylindrical grille 22, thereby improving the suction effect.

In the present embodiment, the length of the collapsed elastic cylindrical grille 22 is greater than the length of the tube body of the suction tube 10 on which the tube wall suction holes 13 are arranged, so that the lantern-shaped elastic cylindrical grille 22 can cover all the tube wall suction holes 13 after being expanded.

In one embodiment, the outer surface of the collected elastic cylindrical grid 22 is substantially flush with the outer surface of the outer cannula body 21, so as to ensure that the suction device can be smoothly inserted into the surgical area to be operated.

The push-pull mechanism 40 is used for pushing or pulling the outer sleeve body 21 to reciprocate along the direction from the suction end 11 to the discharge end 12, thus providing power for the reciprocating movement of the outer sleeve body 21.

The push-pull mechanism 40 includes: a push button 41, a guide assembly (not shown) and a stop assembly (not shown). The push button 41 is arranged on the outer casing pipe body 21, the guiding component and the limiting component are both arranged between the outer casing pipe body 21 and the suction pipe 10 which is not provided with the plurality of pipe wall suction holes 13,

the guiding component is used for limiting the moving direction of the outer sleeve body 21 from the suction end 11 to the leading-out end 12, and comprises: the guide groove is arranged on the inner wall of the outer sleeve body 21 or the outer wall of the suction tube 10, the sliding block is arranged on the outer wall of the suction tube 10 or the inner wall of the outer sleeve body 21, the length direction of the guide groove is the direction from the suction end 11 to the discharge end 12, and the sliding block is accommodated in the guide groove, so that the outer sleeve body 21 can move along the direction from the suction end 11 to the discharge end 12, and the push knob 41 is pushed or pulled by external force, so that the outer sleeve 20 can move back and forth along the direction from the suction end 11 to the discharge end 12.

Spacing subassembly is used for controlling the size of the elasticity tube-shape grid 22 after strutting, and this spacing subassembly includes: the outer sleeve pipe comprises a plurality of buckling positions and an elastic buckle, wherein the buckling positions are sequentially arranged on the inner wall of the outer sleeve pipe body 21 or the outer wall of the suction pipe 10 along the direction from the suction end 11 to the discharge end 12, the elastic buckle is arranged on the outer wall of the suction pipe 10 or the inner wall of the outer sleeve pipe body 21, and the buckling positions are adaptive to the elastic buckle. In the process that the outer sleeve body 21 reciprocates along the direction from the suction end 11 to the leading-out end 12, the elastic buckles can be buckled in each buckling position in sequence, so that the expanded elastic cylindrical grille 22 presents different sizes to adapt to different sizes of operation areas to be operated.

Referring to fig. 2 and 3, the anti-clogging suction device for operation provided by the present application further comprises: a control valve 50, the control valve 50 being connected between the discharge end 12 of the suction tube 10 and an externally connected negative pressure device, the control valve 50 comprising: the suction tube comprises a valve body 51, and a control switch 52, a first interface 53 and a second interface 54 which are arranged on the valve body 51, wherein the first interface 53 is communicated with the discharge end 12 of the suction tube 10, the second interface 54 is communicated with a negative pressure device, and the control switch 52 is used for controlling the connection or disconnection of the first interface 53 and the second interface 54.

When the unnecessary liquid substance in the operation area to be operated needs to be removed, the control switch 52 controls the first port 53 and the second port 54 to be in the connection state, and the negative pressure suction force generated by the negative pressure device generates the suction force to the end suction holes 14 and all the tube wall suction holes 13 through the second port 54 and the first port 53.

In this embodiment, the anti-clogging suction device for operation can also flush the operation area to be operated, as shown in fig. 3, the control valve 50 further includes: a third port 55 provided on the valve body 51, the third port 55 being adapted to communicate with an irrigation source, in which an irrigation fluid, which may be a liquid such as saline, is stored. The aforementioned control switch 52 is also used to control the on/off of the first interface 53 and the third interface 55, or to control the first interface 53 and both the second interface 54 and the third interface 55 to be off.

In this embodiment, when the control switch 52 controls the first port 53 and the third port 55 to be connected, the surgical field to be operated is flushed by the anti-clogging suction device for operation, and when the flushing is not required, the control switch 52 controls the first port 53 and the third port 55 to be disconnected. When not in use, the control switch 53 controls the first port 53 to be disconnected from both the second port 54 and the third port 55. Specifically, when the control switch 52 switches on the first port 53 and the third port 55, the flushing fluid flows through the third port 55 and the first port 53 to the end suction hole 14 and the plurality of tube wall suction holes 13 disposed at the suction end 11 of the suction tube 10 and is discharged to the lesion of the patient, so as to flush the lesion. When the washing is completed or the liquid at the focus needs to be sucked, the control switch 52 connects the first interface 53 and the second interface 54, the negative pressure device starts to work, and the negative pressure suction force generates the negative pressure suction force to the end suction holes 14 and the plurality of tube wall suction holes 13 arranged at the suction end 11 of the suction tube 10 through the second interface 54 and the first interface 53, so that the liquid such as blood, tissue fluid, pus, flushing fluid, effusion and the like which influence the operation process at the focus of the patient is sucked. In this manner, the control switch 52 can provide multiple positions for suction, flushing, etc.

When the control switch 52 controls the first interface 53 and the second interface 54 to be turned on, the first interface 53 and the third interface 54 are turned off; when the control switch 52 controls the first port 53 to be disconnected from the second port 54, the first port 53 and the third port 55 are connected.

Referring to fig. 4, in the surgical anti-clogging suction device according to the present embodiment, the elastic cylindrical grille 22 includes: a plurality of elastic connection ribs 221, all the elastic connection ribs 221 are arranged at intervals in sequence, and one end of each elastic connection rib 221 is connected to the suction end 11, and the other end is connected to the outer sleeve 20. All the elastic connection ribs 221 are made of flexible steel wire.

When the outer sleeve 20 moves in the direction from the discharge end 12 to the suction end 11, each of the elastic connection ribs 221 is elastically deformed into an outwardly arched shape, and all of the elastic connection ribs 221 are formed into a lantern-like structure. When the outer sleeve 20 moves in the direction from the suction end 11 to the discharge end 12, the elastic cylindrical grill 22 forming a lantern-like structure is made to be folded on the tube body of the suction tube 10 provided with the tube wall suction holes 13.

With continued reference to fig. 4, the aforementioned resilient tubular grille 22 further comprises: the elastic connecting strips 222 are all arranged at intervals in sequence, and all the elastic connecting strips 222 are connected with all the elastic connecting ribs 221, so that a criss-cross form is formed. In this embodiment, all the elastic connection strips 222 are made of elastic silicone material.

In the above embodiment, the grid holes formed in the expanded elastic cylindrical grid 22 may be gaps between two adjacent elastic connection ribs 221, or gaps between two adjacent elastic connection ribs 221 and two adjacent elastic connection bars 222 that are staggered in the vertical and horizontal directions. In other words, the elastic cylindrical grid 22 may be formed by a plurality of elastic connection ribs 221, or may be formed by a plurality of elastic connection ribs 221 and a plurality of elastic connection strips 222 which are criss-cross.

In summary, the anti-clogging suction device for operation provided by this embodiment, the elastic cylindrical grille forms a plurality of grille holes in the expanded state, and the grille holes can block solid substances such as crushed soft tissue, debris, bone particles, blood clots, etc. in the operation area to be operated, so as to avoid blocking the suction holes on the tube wall. Therefore, the operation process of an operator is simplified, and the operation progress is improved.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.

Claims (10)

1. An anti-clogging suction device for surgery, comprising:

the suction tube is provided with a suction end and a discharge end, and a plurality of tube wall suction holes are distributed on the tube wall of the suction tube close to the suction end; the discharge end is externally connected with a negative pressure device;

the cover establish the outer tube on attract the pipe, it includes: the outer sleeve comprises an outer sleeve body and an elastic cylindrical grating, wherein one end of the elastic cylindrical grating is connected with the suction end, and the other end of the elastic cylindrical grating is connected with the outer sleeve body; the elastic cylindrical grille has a state of being capable of being opened to form a plurality of grille holes and a state of being folded at the suction end; the outer sleeve body can reciprocate along the axial direction of the suction tube; the outer sleeve body moves along the direction from the discharge end to the suction end so as to expand the elastic cylindrical grating and form the plurality of grating holes, and moves along the direction from the suction end to the discharge end so as to fold the expanded elastic cylindrical grating.

2. The surgical anti-clogging suction device according to claim 1, wherein said plurality of tubular wall suction holes are all located in said expanded elastic cylindrical grille.

3. The surgical anti-clogging suction device according to claim 1, wherein the length of the collapsed elastic cylindrical grille is longer than the length of the tube body of the suction tube having the plurality of tube wall suction holes.

4. The surgical anti-clogging suction device according to claim 3, wherein the outer surface of said flexible cylindrical grid after being collapsed is flush with the outer surface of said outer sleeve body.

5. The surgical anti-clogging suction device according to claim 1, wherein said resilient cylindrical grille comprises: the elastic connecting ribs are sequentially arranged at intervals; one end of the elastic connecting rib is connected with the suction end, and the other end of the elastic connecting rib is connected with the outer sleeve body.

6. The surgical anti-clogging suction device according to claim 5, wherein said elastic cylindrical grid further comprises a plurality of elastic connection bars, said plurality of elastic connection bars are sequentially spaced apart and connected to said plurality of elastic connection ribs.

7. The surgical anti-clogging suction device of claim 1, further comprising: the push-pull mechanism is used for enabling the outer sleeve to move back and forth along the direction from the suction end to the discharge end in a pushing or pulling mode; the push-pull mechanism comprises: the push button is arranged on the outer sleeve tube body, and the guide assembly is arranged between the outer sleeve tube body and the suction tube; the guide assembly includes: the outer sleeve comprises a guide groove arranged on the inner wall of the outer sleeve body or on the outer wall of the suction tube and a sliding block arranged on the outer wall of the suction tube or on the inner wall of the outer sleeve body, wherein the sliding block is arranged in the guide groove in a sliding manner, and the length direction of the guide groove is the direction from the suction end to the discharge end.

8. The surgical anti-clogging suction device of claim 7, wherein said push-pull mechanism further comprises: the limiting assembly is arranged between the outer sleeve body and the suction tube and is used for controlling the size of the expanded elastic cylindrical grating; the spacing subassembly includes: the device comprises a plurality of buckling positions and elastic buckles, wherein the buckling positions are sequentially distributed from a suction end to a discharge end; the buckling position is arranged on the inner wall of the outer sleeve body or the outer wall of the suction pipe, and the elastic buckle is arranged on the outer wall of the suction pipe or the inner wall of the outer sleeve body.

9. The surgical anti-clogging suction device of claim 1, further comprising: a control valve connected between the discharge end and a negative pressure device, the control valve comprising: the valve comprises a valve body, a control switch, a first interface and a second interface, wherein the control switch, the first interface and the second interface are arranged on the valve body, the first interface is communicated with the discharge end, the second interface is communicated with a negative pressure device, and the control switch is used for controlling the connection or disconnection of the first interface and the second interface.

10. The surgical anti-clogging suction device of claim 9, wherein said control valve further comprises: the third interface is arranged on the valve body and is used for connecting a flushing source; the control switch is also used for controlling the connection or disconnection of the first interface and the third interface, or controlling the first interface, the second interface and the third interface to be disconnected; when the control switch controls the first interface and the second interface to be connected, the first interface and the third interface are disconnected; when the control switch controls the first interface and the second interface to be disconnected, the first interface and the third interface are connected.

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