CN212415808U

CN212415808U - Endoscope cutting anastomat

Info

Publication number: CN212415808U
Application number: CN202022165423.2U
Authority: CN
Inventors: 王朝义; 谢探一; 于珍珍; 于远宾; 邹锋
Original assignee: Shandong Weray Surgical Medical Products Co ltd
Current assignee: Shandong Weray Surgical Medical Products Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-29
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a chamber mirror cutting anastomat, the electric iron comprises a handle, connect the subassembly sleeve pipe of handle, subassembly sheathed tube end-to-end connection nail casket, the subassembly intraductal turning coupling assembling that can follow the relative subassembly sleeve pipe of subassembly sheathed tube axial motion in order to drive the relative subassembly sleeve pipe of nail casket turns that is equipped with, still including steering switch and with the rotary switch of the coaxial rigid coupling of subassembly sleeve pipe, the front end of handle is equipped with the installation sleeve pipe, rotary switch rotates and connects the installation sleeve pipe, the steering switch cover is located the installation sleeve pipe and can be installed sleeve pipe and rotary switch relatively rotatory, the installation sleeve intraductal follower that is equipped with to follow the axial advance and retreat of installation sleeve pipe under the rotary drive of steering switch, turning coupling. The utility model provides a chamber mirror cutting anastomat, rotary switch and steering switch motion mutual independence no matter the rotary switch adjustment nail casket is rotatory to arbitrary angle, does not change steering switch's position, and the control nail casket of being convenient for is crooked, avoids dragging patient's tissue.

Description

Endoscope cutting anastomat

Technical Field

The utility model relates to the field of medical equipment, in particular to cavity mirror cutting anastomat.

Background

The endoscope cutting anastomat is mainly used for medical institutions to cut, cross and inosculate lung, stomach and intestine tissues in endoscopic surgery, is a medical instrument commonly used in the surgery, and is popular and advocated for domestic and foreign clinical surgeons because of the advantages of simple operation, quick suturing, few side effects, few surgical complications and the like.

As shown in fig. 1, in order to better reach the surgical site, the current endoscopic cutting stapler controls the component sleeve 3 and the staple cartridge 01 on the component sleeve 3 to rotate by 360 degrees by means of the rotary switch 03, and adjusts the suturing direction of the staple cartridge 01; the rotary switch 03 is provided with the steering switch 04, the turning connecting component arranged in the component sleeve 3 is driven to axially move by turning the steering switch 04 left and right to complete turning of the nail box 01 around the nail box shaft 02 relative to the component sleeve 3, and the process needs two hands to operate, so that the operation is very inconvenient. In addition, the arrangement of the steering switch 04 on the rotary switch 03 is not reasonable, because the rotary switch 03 can rotate 360 degrees, if the rotary switch 03 rotates a certain angle, the steering switch 04 can also be rotated to other positions, and if the nail box 01 is adjusted to turn, inconvenient operation may be caused by the position of the steering switch 04, so that the risk of damaging the tissue of a patient exists, and fatal injury is caused to the patient.

Therefore, how to avoid the inconvenience of turning the staple cartridge to damage the tissue of the patient becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a chamber mirror cutting anastomat, rotary switch and steering switch motion mutual independence no matter rotary switch adjustment nail casket is rotatory to arbitrary angle, does not all change steering switch's position, and the control nail casket of being convenient for is crooked, avoids dragging patient's tissue.

In order to achieve the purpose, the utility model provides an endoscope cutting anastomat, which comprises a handle, a component sleeve connected with the handle, a nail box connected with the end of the component sleeve, a turning connecting component which can move along the axial direction of the component sleeve to drive the nail box to turn relative to the component sleeve,

the steering switch is sleeved on the installation sleeve and can rotate relative to the installation sleeve and the rotary switch, a driven piece which is used for driving the steering switch to advance and retreat along the axial direction of the installation sleeve under the rotary driving of the steering switch is arranged in the installation sleeve, and the driven piece is connected with the turning connecting component.

Optionally, the follower comprises a turn lever disposed coaxially with the mounting sleeve and a latch disposed perpendicular to the turn lever;

the pipe wall of the mounting sleeve is provided with an axial limiting groove matched with the latch column, the steering switch is provided with a spiral groove, and the latch column penetrates through the axial limiting groove and is arranged in the spiral groove.

Optionally, the follower still include with the lantern ring of the coaxial rigid coupling of turn pull rod, the diameter of turn pull rod is less than the internal diameter of installation sleeve pipe, the outer wall laminating of lantern ring the inner wall of installation sleeve pipe.

Optionally, the latch post penetrates through the collar, and the axial limiting groove and the spiral groove are formed in pairs at 180 °.

Optionally, the steering switch includes a spiral groove cam and a knob body fixedly connected to an outer peripheral portion of the spiral groove cam, the spiral groove cam is rotatably connected to the mounting sleeve, and the spiral groove is opened in the spiral groove cam.

Optionally, the bolt post is along the circumference of the lantern ring is evenly set up, axial spacing groove and the helicla flute all with bolt post one-to-one sets up.

Optionally, the mounting sleeve is provided with an annular clamping groove, and the inner wall of the rotary switch is provided with an annular protrusion matched with the clamping groove.

Optionally, the outer contour of the rotary switch and/or the steering switch is a regular polygon.

Compared with the prior art, the endoscope cutting anastomat provided by the utility model has the advantages that when the rotation is required to be controlled, the rotary switch rotates relative to the mounting sleeve at the front end of the handle to drive the assembly sleeve and the nail box to rotate, and the incision angle of the nail box is adjusted; when the nail box needs to be bent, the driven piece is driven by the steering switch to advance and retreat along the axial direction of the mounting sleeve, and the turning connecting assembly and the nail box are driven to turn. Because the steering switch can rotate relative to the rotary switch, namely the motions of the steering switch and the rotary switch are mutually independent, even if the rotary switch is rotated, the position of the steering switch is not changed or the steering switch is not influenced to control the nail box to steer, thereby avoiding the inconvenience of the steering control of the nail box to involve the tissues of a patient. It should be noted that the present invention is only improved for the rotary switch and the steering switch of the endoscopic cutting stapler. The connection of the component sleeve and the nail box and the arrangement of the turning connecting component can refer to the arrangement of the endoscope cutting anastomat in the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of a prior art endoscopic cutting stapler;

fig. 2 is an external view of the endoscopic cutting stapler according to the embodiment of the present invention;

FIG. 3 is a schematic diagram of the operation of the steering switch;

FIG. 4 is a schematic view of the handle of FIG. 3;

FIG. 5 is a block diagram of the steering switch of FIG. 3;

fig. 6 is a structural view of the follower in fig. 3.

Wherein:

01-nail box, 02-nail box shaft, 03-rotary switch, 04-steering switch, 1-handle, 2-installation sleeve, 3-component sleeve, 21-axial limiting groove, 22-clamping groove, 4-rotary switch, 5-steering switch, 51-spiral groove cam, 511-spiral groove, 52-knob main body, 6-driven piece, 61-lantern ring, 62-turning pull rod and 63-bolt column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 2 to 6, fig. 2 is an external view of a laparoscopic cutting stapler according to an embodiment of the present invention, fig. 3 is a schematic diagram of a steering switch, fig. 4 is a schematic diagram of a handle in fig. 3, fig. 5 is a structural diagram of the steering switch in fig. 3, and fig. 6 is a structural diagram of a driven member in fig. 3.

The utility model provides a chamber mirror cutting anastomat, including handle 1, install the subassembly sleeve pipe 3 at 1 front end of handle, the end-to-end connection that subassembly sleeve pipe 3 kept away from handle 1 has the nail casket that subassembly sleeve pipe 3 turned relatively, and the nail casket is connected with the turn coupling assembling in the subassembly sleeve pipe 3, and when 5 drive turn coupling assembling of steering switch of handle 1, control nail casket relative subassembly sleeve pipe 3 turned to.

For avoiding rotary switch 4 to drive steering switch 5 and move to the position of inconvenient operation, this application adopts the front end at handle 1 to set up installation sleeve 2, and rotary switch 4 rotates to be connected on installation sleeve 2, and with the 3 rigid couplings of subassembly sleeve pipe. When the rotary switch 4 is rotated, the assembly sleeve 3 and the nail box can be driven to rotate. The steering switch 5 is sleeve-shaped and is also rotatably connected to the mounting sleeve 2, in other words, the steering switch 5 can rotate independently relative to the rotary switch 4, and the position of the steering switch 5 cannot be changed due to the rotation of the rotary switch 4.

In addition, the inside of installation sleeve 2 sets up follower 6, and follower 6 links with change over switch 5, and when rotating change over switch 5, change over switch 5 can drive follower 6 along the axial advance and retreat of subassembly sleeve pipe 3, and then drives the relative subassembly sleeve pipe 3 of nail casket and turn through turning coupling assembling. The core of the application lies in that the rotary switch 4 and the steering switch 5 are arranged independently, the driven piece 6 is arranged in the assembly sleeve 3, and the rotary motion of the steering switch 5 is converted into the axial forward and backward motion of the driven piece 6. The turning connection assembly and other parts of the endoscopic cutting stapler may be arranged with reference to the prior art.

There are many configurations for translating the rotational motion of the diverter switch 5 into linear advancement of the follower 6 within the assembly sleeve 3, and the movement of the diverter switch 5 and follower 6 will be described in greater detail below with reference to the drawings and the exemplary embodiment.

Referring to fig. 3 to 6, the follower 6 is disposed in the mounting sleeve 2 and at least includes a turning rod 62 extending in the same direction as the mounting sleeve 2 and a bolt 63 perpendicular to the turning rod 62, and the mounting sleeve 2 is provided with an axial limiting groove 21 extending along the axial direction thereof so as to push the bolt 63 to move along the axial limiting groove 21 to drive the turning rod 62 to advance and retreat along the axial direction of the assembly sleeve 3. In order to push the latch column 63 to move along the axial limiting groove 21, the steering switch 5 is arranged in a sleeve shape, a spiral groove 511 is formed in the inner wall of the steering switch 5, and the latch column 63 penetrates through the axial limiting groove 21 and is arranged in the spiral groove 511. When the steering switch 5 is rotated, the axial component of the spiral groove 511 drives the latch 63 to advance and retreat along the axial direction stopper groove 21.

Further, the driven member 6 further includes a collar 61 coaxially fixed to the turn rod 62, the latch 63 radially penetrates the collar 61, and both ends of the latch respectively protrude outward relative to the collar 61, and at this time, the axial limiting grooves 21 and the spiral grooves 511 are oppositely arranged in two sets at 180 degrees. The diameter of turn pull rod 62 is less than the internal diameter of installation sleeve 2 and subassembly sleeve 3, and the outer wall of lantern ring 61 then laminates with the inner wall of installation sleeve 2, and the cooperation of lantern ring 61 and installation sleeve 2 makes follower 6 not only can rotate relative to installation sleeve 2, still plays certain positioning action to follower 6.

The steering switch 5 specifically includes a spiral groove cam 51 and a knob main body 52 fixedly sleeved on the periphery of the spiral groove cam 51, the spiral groove 511 is formed on the spiral groove cam 51, and the knob main body 52 is provided for facilitating the rotation of the steering switch 5.

In another embodiment of the present invention, the latch posts 63 are provided in multiple sets, specifically three sets, three sets of latch posts 63 are fixed to the outer periphery of the collar 61, and are alternately extended 120 ° to the outer diameter of the collar 61, correspondingly, the mounting sleeve 2 is provided with three axial limiting grooves 21 matching with the latch posts 63 one by one, and the spiral groove 511 matching with the axial limiting grooves 21 and the latch posts 63 one by one is provided on the spiral groove cam 51. When the rotary switch 4 is rotated, the rotary switch 4 rotates to drive the component sleeve 3 and the nail box to rotate, and the steering switch 5 and the rotary switch 4 are respectively connected to the mounting sleeve 2 in a rotating manner, so that the rotary switch 4 cannot drive the steering switch 5 to rotate and change the position, the steering switch 5 is conveniently operated to control the nail box to be bent, and the tissues of a patient are prevented from being dragged. When the steering switch 5 and the rotary switch 4 are arranged, a certain length of axial clearance is reserved between the rotary switch 4 and the steering switch 5, so that a certain movement space is reserved for the rotation of the steering switch 5 and the spiral groove 511.

In order to optimize the above embodiment, the outer periphery of the mounting sleeve 2 is further provided with an annular clamping groove 22, the inner wall of the rotary switch 4 is correspondingly provided with an annular protrusion or an annular rib matched with the clamping groove 22, the rotary switch 4 is prevented from slipping off from the mounting sleeve 2 through the matching of the annular protrusion and the clamping groove 22, and the rotation of the rotary switch 4 is limited. The outer contours of the rotary switch 4 and the turn switch 5 are generally set to regular polygonal shapes as shown in the figure to prevent a slip from occurring when the rotary switch 4 and the turn switch 5 are turned. The outer walls of the rotary switch 4 and the steering switch 5 can be provided with anti-skid stripes or protective protrusions according to needs, and the details are not repeated herein.

In another alternative embodiment, the plurality of spiral grooves 511 may be uniformly formed in the periphery of the mounting sleeve 2, the driven member 6 disposed in the mounting sleeve 2 may be a screw, the turn switch 5 is fixedly connected to a spline extending radially inward and penetrating through the spiral grooves 511 to abut against the threads of the screw, the spline is driven to move along the spiral grooves 511 by rotating the turn switch 5, the plurality of sets of splines play a role in positioning and fixing the screw, the spline rotates along the spiral grooves 511 to generate axial displacement along the mounting sleeve 2 to drive the screw to axially feed, and the turn connection assembly drives the nail magazine to turn relative to the mounting sleeve 2.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above that the utility model provides an endoscope cutting anastomat introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. An endoscope cutting anastomat comprises a handle (1) and an assembly sleeve (3) connected with the handle (1), the tail end of the assembly sleeve (3) is connected with a nail box, a turning connecting assembly which can move along the axial direction of the assembly sleeve (3) to drive the nail box to turn relative to the assembly sleeve (3) is arranged in the assembly sleeve (3), and the endoscope cutting anastomat is characterized in that,

still including turn to switch (5) and with rotary switch (4) of the coaxial rigid coupling of subassembly sleeve pipe (3), the front end of handle (1) is equipped with installation sleeve pipe (2), rotary switch (4) rotate to be connected installation sleeve pipe (2), turn to switch (5) cover is located installation sleeve pipe (2) and can be relative installation sleeve pipe (2) and rotary switch (4) are rotatory, be equipped with in installation sleeve pipe (2) and be used for turn to switch (5) rotary drive down along installation sleeve pipe (2) axial advance and retreat follower (6), follower (6) are connected turn coupling assembling.

2. The endoscopic cutting stapler according to claim 1, wherein the follower (6) comprises a turn lever (62) arranged coaxially with the mounting cannula (2) and a latch (63) arranged perpendicularly to the turn lever (62);

an axial limiting groove (21) matched with the latch column (63) is formed in the pipe wall of the mounting sleeve (2), a spiral groove (511) is formed in the steering switch (5), and the latch column (63) penetrates through the axial limiting groove (21) and is arranged in the spiral groove (511).

3. The endoscopic cutting stapler according to claim 2, wherein the driven member (6) further comprises a collar (61) coaxially fixed with the turning pull rod (62), the turning pull rod (62) has a diameter smaller than the inner diameter of the mounting sleeve (2), and the outer wall of the collar (61) is attached to the inner wall of the mounting sleeve (2).

4. Endoscopic cutting stapler according to claim 3, characterized in that said latch (63) extends through said collar (61), said axial limit groove (21) and said spiral groove (511) each opening in pairs at 180 °.

5. The endoscopic cutting stapler according to any one of claims 2 to 4, wherein the steering switch (5) comprises a spiral groove cam (51) and a knob body (52) fixed to the outer circumference of the spiral groove cam (51), the spiral groove cam (51) is rotatably connected to the mounting sleeve (2), and the spiral groove (511) is opened to the spiral groove cam (51).

6. The endoscopic cutting stapler according to claim 3, wherein the latch posts (63) are uniformly arranged along the circumference of the collar (61), and the axial limiting groove (21) and the spiral groove (511) are arranged in one-to-one correspondence with the latch posts (63).

7. The endoscopic cutting stapler according to claim 5, wherein the mounting sleeve (2) is provided with an annular snap groove (22), and the inner wall of the rotary switch (4) is provided with an annular protrusion which is matched with the snap groove (22).

8. Endoscopic cutting stapler according to claim 1, characterized in that the outer contour of the rotary switch (4) and/or the diverter switch (5) is a regular polygon.