CN116898514A - Disposable linear endoscope anastomat - Google Patents

Abstract

The invention discloses a disposable linear endoscope anastomat; the pipeline is connected with a positioning unit; the positioning unit is connected with a cutting assembly; during the use, adjust the stroke of sewing up through first locating piece and second locating piece to cooperate through second rope and second linkage piece, carry out the operation of sewing up to the root from the clamp splice tip, make the second linkage piece can not release the needle of sewing up outside the tissue, effectively avoid appearing the empty problem of needle nail in prior art, reduce the operation risk, cooperate through elastic bead and second recess, make first locating piece always can move to the adjacent needle clearance middle part about, make to wait to sew up the tissue edge and control adjacent needle clearance middle part and align, make after the completion of sewing up, the needle tip is close to with the tissue edge, effectively avoided after the completion of sewing up because of the tissue edge is too far away from the needle and lead to the incomplete problem of sewing up, still avoided after the completion of sewing up because of needle one end nail of needle into the tissue and lead to its problem that drops.

Description

Disposable linear endoscope anastomat

Technical Field

The invention relates to the technical field of endoscopic anastomat. More particularly, the present invention relates to a single use linear endoscopic stapler.

Background

The prior Chinese patent: the intelligent endoscope anastomat (CN 106333720B) is characterized in that a controller can control the driving shaft to advance only according to gear information of the closed firing change-over switch and the closed firing shared switch so as to finish closing and firing actions respectively without manually controlling closing force, however, a large number of electric parts are needed, the cost is high, meanwhile, the existing endoscope anastomat is usually sutured from the clamping root part to the tail part, when the clamping part is overlong or is interfered by tissues, the root part of the endoscope anastomat cannot be attached to the edge of the human tissue to be sutured, so that in the suturing process, the phenomenon of stapling is caused by the suturing needle at the root part of the endoscope anastomat, and the stapling needle falls into the abdominal cavity of the human body after being separated from the endoscope anastomat, so that great potential safety hazards exist.

Disclosure of Invention

The invention provides a disposable linear endoscope anastomat, which aims to overcome the defect that a suture needle at the root of the endoscope anastomat is empty in the process of suturing human tissues by the traditional endoscope anastomat.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

the disposable linear endoscope anastomat comprises a first shell, a second shell, a pipeline and a clamping block; the left side of the first shell is communicated with a second shell; the left side of the second shell is communicated with a pipeline; the left side of the pipeline is rotationally connected with a clamping block through a torsion rotating shaft; the device also comprises a pushing block, a suture needle, a first round rod, a first sliding block, a second linkage block, a third linkage block, a limiting unit, a first fixing unit, a linkage unit, a second fixing unit, a positioning unit and a cutting assembly; a limiting unit is connected between the pipeline and the clamping block; the limiting unit is connected with a plurality of pushing blocks; a suture needle is supported above each push block; two first round bars are fixedly connected to the inner side of the clamping block; a first sliding block is connected between the two first round rods in a sliding way; a plurality of second linkage blocks are fixedly connected to the first sliding block; the front side of each second linkage block is fixedly connected with a third linkage block; the limiting unit is connected with a first fixing unit; the first shell is connected with a linkage unit; the front side of the first shell is connected with a second fixing unit; the pipeline is connected with a positioning unit; the positioning unit is connected with a cutting assembly.

As a further preferable scheme, the limiting unit comprises a first connecting block, a first limiting block, a second limiting block and a third limiting block; the upper side of the clamping block is fixedly connected with a first connecting block; a plurality of first limiting blocks are fixedly connected to the lower side of the first connecting block; each first limiting block is connected with the corresponding pushing block in a sliding manner; each first limiting block is contacted with the corresponding suture needle; two second limiting blocks are fixedly connected between the upper sides of every two adjacent first limiting blocks; each second limiting block is contacted with the corresponding suture needle; a third limiting block is fixedly connected to the lower part of the left side of the pipeline; the third limiting block is matched with the suture needle.

As a further preferable scheme, a plurality of first grooves are formed in the third limiting block, each first groove consists of a rectangular groove below and two arc-shaped grooves above, and the first grooves are used for enabling the end portions of the suture needles to bend in opposite directions.

As a further preferable scheme, the first fixing unit comprises a fixing block, a first linkage block and a first spring; each first limiting block positioned in front of the suture needle is connected with a fixed block in a sliding way; each fixed block is contacted with a corresponding suture needle; the front side of each fixed block is fixedly connected with a first linkage block; each first linkage block is fixedly connected with a first spring, and the first springs are fixedly connected with corresponding first limiting blocks.

As a further preferable scheme, the linkage unit comprises a first rope, a second round rod, a movable handle, a second spring, a second rope and a first winding wheel set; the right part of the upper side of the clamping block is fixedly connected with a first rope; the first rope sequentially passes through the pipeline and the second shell; the first rope is in sliding connection with the first shell; a second round rod is fixedly connected to the inner side of the first shell; the middle part of the second round rod is rotationally connected with a movable handle; the upper end of the movable handle is fixedly connected with a second spring; the second spring is fixedly connected with the first shell; the middle part of the first sliding block is fixedly connected with a second rope; the second rope sequentially passes through the clamping block and the pipeline; the middle part of the second housing is rotationally connected with a first winding wheel set; the right end of the second rope is fixedly connected with the first winding wheel set.

As a further preferable scheme, the second fixing unit comprises a third round bar, a first shifting block and a third spring; a third round rod is connected to the first shell in a sliding manner; the third round rod is contacted with the movable handle; the front side of the third round rod is fixedly connected with a first shifting block; a third spring is sleeved on the third round rod; one end of the third spring is fixedly connected with the first shifting block, and the other end of the third spring is fixedly connected with the first shell.

As a further preferable scheme, the positioning unit comprises a first positioning block, a fourth spring, a second positioning block, a linkage frame, a second connecting block, a second shifting block, elastic beads, a connecting strip, a bolt and a connecting piece; the third limiting block is connected with two first positioning blocks in a sliding manner; at least one fourth spring is fixedly connected to the inner sides of the two first positioning blocks; the two first positioning blocks are both connected with a second positioning block in a sliding way; the two second positioning blocks are fixedly connected with the corresponding fourth springs respectively; a linkage frame is fixedly connected between the upper sides of the two first positioning blocks; the linkage frame is connected with the pipeline in a sliding way; the right side of the linkage frame is fixedly connected with a second connecting block; the upper side of the second connecting block is fixedly connected with a second shifting block; the second shifting block slides on the upper side of the second shell; the middle part of the rear side of the second shifting block is provided with an elastic bead; two connecting strips are fixedly connected to the upper side of the second shell; a plurality of second grooves are formed in the connecting strip positioned at the rear at equal intervals; a plurality of bolts are connected on the connecting strip positioned in front in an equidistant sliding way; the lower side of each bolt is fixedly connected with a connecting piece; each connecting piece is fixedly connected with the second housing.

As a further preferable scheme, the cutting assembly comprises a first cutter, a third rope, a second winding wheel set and a disinfection unit; the left side of the pipeline is slidingly connected with a first cutter; a third rope is fixedly connected to the right side of the first cutter; a third rope passes through the pipeline; the left part of the front side of the second housing is rotationally connected with a second winding wheel set; the second winding wheel set is fixedly connected with a third rope; the middle part of the first connecting block is connected with a disinfection unit.

As a further preferable scheme, the disinfection unit comprises a fourth linkage block, a square cabin body, a second sliding block, a fourth linkage block, a fifth linkage block and a rubber sheet; two fourth linkage blocks are fixedly connected to the lower side of the first cutter; the left sides of the two fourth linkage blocks are inclined planes; the middle part of the first connecting block is fixedly connected with a plurality of square cabin bodies; the inner side of each square cabin body is connected with a second sliding block in a sliding way; the lower side of each second sliding block is fixedly connected with a four-five linkage block; the upper side of each square cabin body is fixedly connected with a rubber sheet.

As a further preferred embodiment, the sterilizing unit further comprises a second cutter; the upper side of each square cabin body is fixedly connected with a second cutter.

The beneficial effects are that: according to the technical scheme, the suturing travel is adjusted through the first positioning block and the second positioning block, and the second rope is matched with the second linkage block, so that the suturing operation is performed from the end part of the clamping block to the root part, the second linkage block can not push out the suturing needle outside the tissue, the problem that the suturing needle is empty in the prior art is effectively avoided, the operation risk is greatly reduced, and meanwhile, the inserting pin is fixed through the connecting piece, and the problem that the connecting piece automatically slides to fall off or the second shifting block is interfered to move is avoided;

in the sewing process, the elastic beads are matched with the second grooves, so that the first positioning block can always move to the middle parts of the gaps between the left and right adjacent sewing needles, namely, after the edges of tissues to be sewn contact the first positioning block, the edges of the tissues to be sewn are aligned with the middle parts of the gaps between the left and right adjacent sewing needles, so that after the sewing is finished, the ends of the sewing needles are close to the edges of the tissues, the problem of incomplete sewing caused by the fact that the edges of the tissues are far away from the sewing needles after the sewing is finished is effectively avoided, and the problem of falling off caused by the fact that one ends of the sewing needles are nailed into the tissues after the sewing is finished is also avoided;

in the cutting process, the rubber sheet is cut off by the second cutter, so that the disinfectant in the square cabin body is sprayed upwards to disinfect a tissue incision, and the disinfection and the cutting are performed synchronously, thereby being beneficial to shortening the operation time, and the second cutter is also used for guiding the disinfectant to be sprayed upwards, namely improving the spraying area and being beneficial to enhancing the disinfection effect;

in addition, through the third round bar to the activity fixed, the clamp splice can keep the clamping state, and the doctor need not to control the activity to, focuses on more and sews up the operation, improves the convenience.

Drawings

The contents of the drawings and the marks in the drawings are briefly described as follows:

FIG. 1 shows a first schematic structural view of the single-use linear endoscopic stapler of the present invention;

FIG. 2 shows a second construction schematic of the single use linear endoscopic stapler of the present invention;

FIG. 3 is a schematic view showing a first partial construction of the single-use linear endoscope stapler of the present invention;

FIG. 4 is a schematic view of a second portion of the disposable linear endoscope stapler of the present invention;

FIG. 5 shows a schematic structural view of the spacing unit of the present invention;

FIG. 6 is a schematic view showing a part of the structure of a third stopper of the present invention;

FIG. 7 shows a schematic view of a first partial structure of the positioning unit of the present invention;

FIG. 8 shows a second partial schematic of the positioning unit of the present invention;

FIG. 9 is a schematic view showing a third partial structure of the positioning unit of the present invention;

fig. 10 shows a first structural schematic of the second fixing unit of the present invention;

fig. 11 shows a second structural schematic of the second fixing unit of the present invention;

FIG. 12 shows a first partial schematic view of the cutting assembly of the present invention;

FIG. 13 shows a second partial schematic of the cutting assembly of the present invention;

FIG. 14 shows a third partial schematic view of the cutting assembly of the present invention;

fig. 15 shows an enlarged view of the invention at a in fig. 14.

In the above figures:

1-first housing, 2-second housing, 3-pipe, 4-clamp block, 201-first connection block, 202-first stopper, 203-push block, 204-suture needle, 205-second stopper, 206-fixed block, 207-first linkage block, 208-first spring, 209-third stopper, 2010-first round bar, 2011-first slider, 2012-second linkage block, 2013-third linkage block, 2014-first rope, 2015-second round bar, 2016-movable handle, 2017-second spring, 2018-third round bar, 2019-first dial block, 2020-third spring, 2021-first positioning block, 2022-fourth spring, 2023-second positioning block, 2024-linkage frame, 2025-second connecting block, 2026-second shifting block, 2027-elastic bead, 2028-connecting strip, 2029-plug, 2030-connecting piece, 2031-second rope, 2032-first winding wheel set, 301-first cutter, 302-third rope, 303-second winding wheel set, 304-fourth linkage block, 305-square cabin, 306-second slider, 307-fourth five linkage block, 308-rubber sheet, 309-second cutter, 91-first groove, 92-second groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment 1

The disposable linear endoscope anastomat comprises a first shell 1, a second shell 2, a pipeline 3 and a clamping block 4 as shown in figures 1-11; the left side of the first shell 1 is communicated with a second shell 2; the left side of the second shell 2 is communicated with a pipeline 3; the left side of the pipeline 3 is rotationally connected with a clamping block 4 through a torsion rotating shaft; the surgical suture needle also comprises a push block 203, a suture needle 204, a first round rod 2010, a first sliding block 2011, a second linkage block 2012, a third linkage block 2013, a limiting unit, a first fixing unit, a linkage unit, a second fixing unit, a positioning unit and a cutting assembly; a limiting unit is connected between the pipeline 3 and the clamping block 4; the limiting unit is connected with a plurality of push blocks 203, and the push blocks 203 are equally divided into four groups; a suture needle 204 is arranged above each push block 203; two first round bars 2010 are welded on the inner side of the clamping block 4; a first sliding block 2011 is connected between the two first round rods 2010 in a sliding manner; four second linkage blocks 2012 are welded on the first slider 2011, the second linkage blocks 2012 push the push blocks 203 to move upwards, and under the cooperation of the limiting units, the push blocks 203 push the suture needles 204 to move upwards, so that the suture needles 204 penetrate human tissues; a third linkage block 2013 is welded to the front side of each second linkage block 2012; the limiting unit is connected with a first fixing unit, and the second linkage block 2012 is also used for driving the third linkage block 2013 to move, so that the third linkage block 2013 unlocks the first fixing unit and stops locking the suture needle 204; the first shell 1 is connected with a linkage unit; the front side of the first shell 1 is connected with a second fixing unit; the pipeline 3 is connected with a positioning unit; the positioning unit is connected with a cutting assembly.

The limiting unit comprises a first connecting block 201, a first limiting block 202, a second limiting block 205 and a third limiting block 209; the upper side of the clamping block 4 is connected with a first connecting block 201 through bolts; a plurality of first limiting blocks 202 are welded on the lower side of the first connecting block 201; each first limiting block 202 is in sliding connection with a corresponding push block 203; each first stopper 202 is in contact with a corresponding suture needle 204; two second limiting blocks 205 are welded between the upper sides of every two front and rear adjacent first limiting blocks 202, and the suture needle 204 is limited and guided by the cooperation of the first limiting blocks 202 and the second limiting blocks 205 so as to vertically penetrate into human tissues upwards; each second limiting block 205 is contacted with the corresponding suture needle 204; a third limiting block 209 is connected to the lower left side of the pipeline 3 through bolts; the third limiting block 209 is matched with the suture needle 204; the third limiting block 209 is provided with a plurality of first grooves 91, the first grooves 91 are formed by a rectangular groove below and two arc grooves above, and the first grooves 91 are used for enabling the end parts of the suture needles 204 to bend in opposite directions.

The first fixing unit comprises a fixing block 206, a first linkage block 207 and a first spring 208; each first limiting block 202 positioned in front of the suture needle 204 is connected with a fixed block 206 in a sliding way; each fixed block 206 is in contact with a corresponding suture needle 204; a first linkage block 207 is welded to the front end of each fixed block 206; a first spring 208 is welded between each first linkage block 207 and the corresponding first limiting block 202.

The linkage unit comprises a first rope 2014, a second round rod 2015, a movable handle 2016, a second spring 2017, a second rope 2031 and a first winding wheel set 2032; the right part of the upper side of the clamping block 4 is fixedly connected with a first rope 2014; a first rope 2014 passes through the duct 3 and the second housing 2 in sequence; the first rope 2014 is slidably connected to the first casing 1; a second round bar 2015 is welded on the inner side of the first shell 1; the middle part of the second round rod 2015 is rotatably connected with a movable handle 2016; a second spring 2017 is welded between the upper end of the movable handle 2016 and the first shell 1; a second rope 2031 is fixedly connected to the middle part of the first slider 2011; a second rope 2031 passes through the clamp block 4 and the pipe 3 in sequence; the middle part of the second housing 2 is rotationally connected with a first winding wheel set 2032; the right end of the second rope 2031 is fixedly connected with a first winding wheel set 2032.

The second fixing unit includes a third round bar 2018, a first dial 2019 and a third spring 2020; a third round rod 2018 is connected to the first shell 1 in a sliding manner, and the third round rod 2018 is used for self-locking the movable handle 2016 after rotation, so that the convenience of manual operation is improved; the third round bar 2018 is in contact with the movable handle 2016; the front side of the third round bar 2018 is welded with a first shifting block 2019; a third spring 2020 is sleeved on the third round rod 2018; one end of the third spring 2020 is welded to the first dial 2019, and the other end of the third spring 2020 is welded to the first housing 1.

The positioning unit comprises a first positioning block 2021, a fourth spring 2022, a second positioning block 2023, a linkage frame 2024, a second connecting block 2025, a second shifting block 2026, an elastic bead 2027, a connecting strip 2028, a bolt 2029 and a connecting piece 2030; the third limiting block 209 is connected with two first positioning blocks 2021 in a sliding manner, and the edge positions of human tissues are positioned through the first positioning blocks 2021; two fourth springs 2022 are welded on the inner sides of the two first positioning blocks 2021; the two first positioning blocks 2021 are both connected with a second positioning block 2023 in a sliding manner, and the first positioning blocks 2021 keep the positioning effect before and after the clamping blocks 4 are opened and closed through the second positioning blocks 2023; the two second positioning blocks 2023 are welded with the corresponding fourth springs 2022 respectively; a linkage frame 2024 is welded between the upper sides of the two first positioning blocks 2021; the linkage frame 2024 is connected with the pipeline 3 in a sliding way; a second connecting block 2025 is welded on the right side of the linkage frame 2024; a second shifting block 2026 is connected to the upper side of the second connecting block 2025 through bolts, and the second shifting block 2026 is made of plastic; the second dial 2026 slides on the upper side of the second housing 2; the middle part of the rear side of the second shifting block 2026 is provided with an elastic bead 2027; two connecting strips 2028 are welded on the upper side of the second shell 2; five second grooves 92 are equidistantly formed in the connecting strip 2028 positioned at the rear, and the elastic beads 2027 are matched with the second grooves 92 to rapidly position the second shifting block 2026 in the moving process; five bolts 2029 are connected to the connecting strip 2028 at the front in an equidistant sliding manner; a connecting piece 2030 is fixedly connected to the lower side of each bolt 2029; each of the connection members 2030 is fixedly coupled with the second housing 2.

When the device is ready to work, according to the length of the human tissue to be sutured, a doctor dials the second shifting block 2026 to move rightwards, the second shifting block 2026 drives the second connecting block 2025 to move rightwards, the second connecting block 2025 drives the linkage frame 2024 to move rightwards, the linkage frame 2024 drives the first positioning block 2021 to move rightwards, the left and right positions of the first positioning block 2021 are adjusted, then the doctor pushes the corresponding plug 2029 to move, the plug 2029 pulls the connecting piece 2030, so that the plug 2029 is separated from the connecting piece 2030, the plug 2029 is inserted into the second shifting block 2026 to fix the plug 2029, the position adjustment operation of the first positioning block 2021 is completed, then the doctor holds the first housing 1, the pipeline 3 and the clamping block 4 extend into the human abdominal cavity, the tissue to be sutured is positioned in the gap between the pipeline 3 and the clamping block 4, the edge of the sutured tissue is enabled to contact the first positioning block 2021 and the second positioning block 2023 continuously extend, the positioning operation is completed, then the doctor pulls the movable handle 2016 to move, the movable handle 2016 rotates around the second round bar 2015, the movable handle 2016 stretches the second spring 2017, the movable handle 2016 rotates anticlockwise when seen from front to back, the movable handle 2016 pulls the first rope 2014 to move, the first rope 2014 pulls the clamping block 4 to move, the clamping block 4 turns upwards, the tissue to be sutured is pressed on the pipeline 3, in the process, the clamping block 4 contacts and presses the second positioning block 2023 upwards, the clamping block 4 pushes the second positioning block 2023 to move upwards, the second positioning block 2023 compresses the fourth spring 2022, then the doctor rotates the first winding wheel set 2032, the first winding wheel set 2032 winds the second rope 2031, the second rope 2031 pulls the first slider 2011 to slide rightwards on the first round bar 2010, the first slider 2011 drives the second linkage block 2012 to move rightwards, the second linkage block 2012 drives the third linkage block 2013 to move rightward, so that the inclined surface of the third linkage block 2013 contacts the rear side of the first linkage block 207, the third linkage block 2013 continues to move, so that the third linkage block 2013 pushes the first linkage block 207 to move forward, the first linkage block 207 stretches the first spring 208, the first linkage block 207 drives the fixed block 206 to move forward, the fixed block 206 is far away from the upper side of the suture needle 204, the fixation of the fixed block is stopped, the second linkage block 2012 continues to move rightward, the inclined surface of the second linkage block 2012 contacts the lower side of the push block 203, so that the second linkage block 2012 pushes the push block 203 to move upward, the push block 203 pushes the suture needle 204 to move upward, the suture needle 204 moves upward to pierce human tissues, then the upper end of the suture needle 204 contacts the third limiting block 209, and moves into the corresponding first groove 91, the suture needle 204 is limited by the arc-shaped groove of the first groove 91, the end of the suture needle 204 continuing to move upwards is bent along the arc-shaped groove of the first groove 91, so that the two ends of the suture needle 204 are bent towards each other and pressed on the upper side of the tissue, then the second linkage block 2012 continues to move rightwards, the suture needle 204 at the right side is linked to move upwards, the suture operation is continued, when the first slider 2011 moves rightwards to contact the second positioning block 2023, the second positioning block 2023 blocks the first slider 2011, so that the second linkage block 2012 cannot continue to move, and the second positioning block 2023 is flush with the edge of the tissue, i.e. the second linkage block 2012 does not push the suture needle 204 outside the tissue out, during use, the suture stroke is regulated through the first positioning block 2021 and the second positioning block 2023, and the suture operation is carried out from the end of the clamping block 4 to the root through the cooperation of the second rope 2031, so that the suture needle 204 outside the tissue cannot be pushed out by the second linkage block 2012, the problem that the stitching needle 204 is nailed empty in the prior art is effectively avoided, the operation risk is greatly reduced, meanwhile, the bolt 2029 is fixed through the connecting piece 2030, and the problem that the connecting piece 2030 automatically slides to fall off or interfere with the movement of the second shifting block 2026 is avoided.

When the first positioning block 2021 is adjusted in position, a doctor dials the second shifting block 2026 to move, the second shifting block 2026 drives the elastic bead 2027 to move, when the elastic bead 2027 enters the second groove 92, the doctor can feel obvious stop sense, and the second shifting block 2026 is positioned by matching the elastic bead 2027 with the second groove 92, so that the first positioning block 2021 can always move to the middle of a gap between the left and right adjacent suture needles 204, namely after the edge of a tissue to be sutured contacts the first positioning block 2021, the edge of the tissue to be sutured is aligned with the middle of the gap between the left and right adjacent suture needles 204, so that after suturing is finished, the end of the suture needle 204 is close to the edge of the tissue, and the problem that suturing is incomplete due to the fact that one end of the suture needle 204 is nailed into the tissue after suturing is finished is effectively avoided.

After the doctor pulls the movable handle 2016 to retract the clamp splice 4, the movable handle 2016 stops contacting the third round rod 2018, the third spring 2020 rebounds to push the third round rod 2018 to move, the third round rod 2018 moves to the upper end lower side, the movable handle 2016 is blocked and limited, the movable handle 2016 is prevented from automatically rebounding, the clamp splice 4 can be kept in a clamping state, the doctor does not need to control the movable handle 2016, the doctor is more focused on suturing operation, convenience is improved, after that, the doctor pulls the first shifting block 2019 to move forwards, the first shifting block 2019 drives the third round rod 2018 to move forwards, the third round rod 2018 stops blocking the movable handle 2016, and the second spring 2017 rebounds to drive the movable handle 2016 to reset.

Embodiment 2

On the basis of embodiment 1, as shown in fig. 1-2 and fig. 12-13, the cutting assembly comprises a first cutter 301, a third rope 302, a second winding wheel set 303 and a sterilizing unit; the left side of the pipeline 3 is connected with a first cutter 301 in a sliding way, and the sutured tissue is incised through the first cutter 301; a third rope 302 is fixedly connected to the right side of the first cutter 301, and the third rope 302 is made of nylon; a third rope 302 is threaded through the pipe 3; the left part of the front side of the second shell 2 is rotationally connected with a second winding wheel set 303, and the screwing part of the second winding wheel set 303 can be round or polygonal; the second winding wheel set 303 is fixedly connected with the third rope 302; a sterilizing unit is connected to the middle of the first connection block 201.

After suturing, four rows of suturing needles 204 are left on the human tissue, and then the doctor rotates the second winding wheel set 303 to wind the third rope 302 by the second winding wheel set 303, so that the third rope 302 pulls the first cutter 301 to move leftwards, the first cutter 301 cuts the human tissue to form an incision, and two rows of suturing needles 204 are arranged on two sides of the incision to suture the human tissue.

Embodiment 3

On the basis of the embodiment 2, as shown in fig. 1-2 and fig. 13-15, the disinfection unit comprises a fourth linkage block 304, a square cabin 305, a second sliding block 306, a fourth-fifth linkage block 307 and a rubber sheet 308; two fourth linkage blocks 304 are welded on the lower side of the first cutter 301; the left sides of the two fourth linkage blocks 304 are inclined planes; a plurality of square cabin bodies 305 are welded in the middle of the first connecting block 201, and the square cabin bodies 305 are made of antirust materials; a second sliding block 306 is slidably connected to the inner side of each square cabin 305; a four-five linkage block 307 is welded on the lower side of each second sliding block 306; a rubber sheet 308 is fixedly connected to the upper side of each square cabin body 305, and the fourth linkage block 304 is linked with the fourth linkage block 307 and the fifth linkage block 306 to move upwards to pressurize liquid, so that the rubber sheet 308 is crushed.

The sterilizing unit further comprises a second cutter 309; a second cutter 309 is welded on the upper side of each square cabin body 305, and the section of the second cutter 309 is triangular and is used for cutting off the rubber sheet 308 and guiding the liquid to two sides so as to enlarge the liquid spraying range.

In the cutting process, the first cutter 301 drives the fourth linkage block 304 to move leftwards, so that the inclined surface of the fourth linkage block 304 contacts the lower side of the fourth linkage block 307, the fourth linkage block 304 pushes the fourth linkage block 307 to move upwards, the fourth linkage block 307 drives the second slider 306 to move upwards, the second slider 306 pushes the disinfectant in the square cabin 305 to move upwards, the disinfectant extrudes the rubber sheet 308, the rubber sheet 308 is enabled to bulge upwards to contact the second cutter 309, the bulged rubber sheet 308 is cut off through the second cutter 309, and accordingly the disinfectant is enabled to be sprayed upwards to the incision, tissue incision is disinfected, during use, the rubber sheet 308 is cut off through the second cutter 309, the disinfectant in the square cabin 305 is enabled to be sprayed upwards, tissue incision is disinfected, disinfection and cutting are synchronously carried out, so that the operation time is shortened, and the second cutter 309 is also used for guiding the disinfectant to be sprayed upwards, namely the spraying area is improved, and the enhancement effect is facilitated.

While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.

Claims (10)

1. The disposable linear endoscope anastomat comprises a first shell (1), a second shell (2), a pipeline (3) and a clamping block (4); the left side of the first shell (1) is communicated with a second shell (2); the left side of the second housing (2) is communicated with a pipeline (3); the left side of the pipeline (3) is rotationally connected with a clamping block (4) through a torsion rotating shaft; the novel suture needle is characterized by further comprising a pushing block (203), a suture needle (204), a first round rod (2010), a first sliding block (2011), a second linkage block (2012), a third linkage block (2013), a limiting unit, a first fixing unit, a linkage unit, a second fixing unit, a positioning unit and a cutting assembly; a limiting unit is connected between the pipeline (3) and the clamping block (4); the limiting unit is connected with a plurality of pushing blocks (203); a suture needle (204) is supported above each push block (203); two first round rods (2010) are fixedly connected to the inner sides of the clamping blocks (4); a first sliding block (2011) is connected between the two first round rods (2010) in a sliding way; a plurality of second linkage blocks (2012) are fixedly connected to the first sliding block (2011); a third linkage block (2013) is fixedly connected to the front side of each second linkage block (2012); the limiting unit is connected with a first fixing unit; the first shell (1) is connected with a linkage unit; the front side of the first shell (1) is connected with a second fixing unit; the pipeline (3) is connected with a positioning unit; the positioning unit is connected with a cutting assembly.

2. The single-use linear endoscope stapler according to claim 1, wherein the limiting unit comprises a first connecting block (201), a first limiting block (202), a second limiting block (205) and a third limiting block (209); the upper side of the clamping block (4) is fixedly connected with a first connecting block (201); a plurality of first limiting blocks (202) are fixedly connected to the lower side of the first connecting block (201); each first limiting block (202) is in sliding connection with a corresponding pushing block (203); each first limiting block (202) is contacted with a corresponding suture needle (204); two second limiting blocks (205) are fixedly connected between the upper sides of every two adjacent first limiting blocks (202); each second limiting block (205) is contacted with the corresponding suture needle (204); a third limiting block (209) is fixedly connected to the lower part of the left side of the pipeline (3); the third limiting block (209) is matched with the suture needle (204).

3. The disposable linear endoscope anastomat according to claim 2, wherein a plurality of first grooves (91) are formed on the third limiting block (209), the first grooves (91) are composed of a rectangular groove below and two arc grooves above, and the first grooves (91) are used for bending the end parts of the suture needles (204) in opposite directions.

4. The single-use linear endoscope stapler according to claim 1, wherein the first fixing unit comprises a fixing block (206), a first linkage block (207) and a first spring (208); each first limiting block (202) positioned in front of the suture needle (204) is connected with a fixed block (206) in a sliding way; each fixed block (206) is contacted with a corresponding suture needle (204); the front side of each fixed block (206) is fixedly connected with a first linkage block (207); each first linkage block (207) is fixedly connected with a first spring (208), and the first springs (208) are fixedly connected with the corresponding first limiting blocks (202).

5. The single-use linear endoscope stapler according to claim 1, wherein the linkage unit comprises a first rope (2014), a second round rod (2015), a movable handle (2016), a second spring (2017), a second rope (2031) and a first winding wheel set (2032); the right part of the upper side of the clamping block (4) is fixedly connected with a first rope (2014); a first rope (2014) passes through the pipeline (3) and the second housing (2) in sequence; the first rope (2014) is in sliding connection with the first shell (1); a second round rod (2015) is fixedly connected to the inner side of the first shell (1); the middle part of the second round rod (2015) is rotationally connected with a movable handle (2016); the upper end of the movable handle (2016) is fixedly connected with a second spring (2017); the second spring (2017) is fixedly connected with the first shell (1); a second rope (2031) is fixedly connected to the middle part of the first sliding block (2011); the second rope (2031) sequentially passes through the clamping block (4) and the pipeline (3); the middle part of the second housing (2) is rotationally connected with a first winding wheel set (2032); the right end of the second rope (2031) is fixedly connected with the first winding wheel set (2032).

6. The single use linear endoscopic stapler of claim 1, wherein the second fixation unit comprises a third round bar (2018), a first dial block (2019), and a third spring (2020); a third round rod (2018) is connected to the first shell (1) in a sliding manner; the third round rod (2018) is contacted with the movable handle (2016); the front side of the third round rod (2018) is fixedly connected with a first shifting block (2019); a third spring (2020) is sleeved on the third round rod (2018); one end of a third spring (2020) is fixedly connected with the first shifting block (2019), and the other end of the third spring (2020) is fixedly connected with the first shell (1).

7. The single-use linear endoscope stapler according to claim 1, wherein the positioning unit comprises a first positioning block (2021), a fourth spring (2022), a second positioning block (2023), a linkage frame (2024), a second connecting block (2025), a second shifting block (2026), an elastic bead (2027), a connecting strip (2028), a bolt (2029) and a connecting piece (2030); the third limiting block (209) is connected with two first positioning blocks (2021) in a sliding manner; at least one fourth spring (2022) is fixedly connected to the inner sides of the two first positioning blocks (2021); a second positioning block (2023) is connected to the two first positioning blocks (2021) in a sliding manner; the two second positioning blocks (2023) are fixedly connected with the corresponding fourth springs (2022) respectively; a linkage frame (2024) is fixedly connected between the upper sides of the two first positioning blocks (2021); the linkage frame (2024) is in sliding connection with the pipeline (3); a second connecting block (2025) is fixedly connected to the right side of the linkage frame (2024); a second shifting block (2026) is fixedly connected to the upper side of the second connecting block (2025); a second shifting block (2026) sliding on the second housing (2); the middle part of the rear side of the second shifting block (2026) is provided with an elastic bead (2027); two connecting strips (2028) are fixedly connected to the upper side of the second housing (2); a plurality of second grooves (92) are formed in the connecting strip (2028) positioned at the rear at equal intervals; a plurality of bolts (2029) are connected on the connecting strip (2028) positioned in front in an equidistant sliding manner; a connecting piece (2030) is fixedly connected to the lower side of each bolt (2029); each connecting piece (2030) is fixedly connected with the second housing (2).

8. The single-use linear endoscope stapler according to claim 1, wherein the cutting assembly comprises a first cutter (301), a third rope (302), a second winding wheel set (303) and a sterilizing unit; the left side of the pipeline (3) is connected with a first cutter (301) in a sliding way; a third rope (302) is fixedly connected to the right side of the first cutter (301); a third rope (302) is passed through the pipe (3); the left part of the front side of the second housing (2) is rotationally connected with a second winding wheel set (303); the second winding wheel set (303) is fixedly connected with a third rope (302); the middle part of the first connecting block (201) is connected with a disinfection unit.

9. The single-use linear endoscope stapler according to claim 8, wherein the sterilizing unit comprises a fourth linkage block (304), a square cabin (305), a second sliding block (306), a fourth and fifth linkage block (307) and a rubber sheet (308); two fourth linkage blocks (304) are fixedly connected to the lower side of the first cutter (301); the left sides of the two fourth linkage blocks (304) are inclined planes; the middle part of the first connecting block (201) is fixedly connected with a plurality of square cabin bodies (305); a second sliding block (306) is connected on the inner side of each square cabin body (305) in a sliding way; the lower side of each second sliding block (306) is fixedly connected with a four-five linkage block (307); the upper side of each square cabin body (305) is fixedly connected with a rubber sheet (308).

10. The single use linear endoscope stapler according to claim 9, characterized in that the sterilizing unit further comprises a second cutter (309); a second cutter (309) is fixedly connected to the upper side of each square cabin body (305).