CN104921770A - Surgical cutting and suturing machine capable of carrying suturing and cutting in sequence - Google Patents
Surgical cutting and suturing machine capable of carrying suturing and cutting in sequence Download PDFInfo
- Publication number
- CN104921770A CN104921770A CN201510357816.4A CN201510357816A CN104921770A CN 104921770 A CN104921770 A CN 104921770A CN 201510357816 A CN201510357816 A CN 201510357816A CN 104921770 A CN104921770 A CN 104921770A
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- China
- Prior art keywords
- pole
- center
- chute
- nail
- surgical incision
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07228—Arrangement of the staples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
Abstract
The invention relates to a surgical cutting and suturing machine which comprises an end actuator, a handle assembly and a drive mechanism. The end actuator comprises a shell, a suturing nail, a cutter, a nail pushing piece and a cutter pushing piece. The drive mechanism comprises a center rod, a nail pushing rod and a transmission device. The drive mechanism has a nail beating position and a cutting position. When the drive mechanism is at the nail beating position, under the action of the transmission device, the sliding distance of the nail pushing rod is larger than that of the center rod, and therefore the suturing nail is pushed out of the shell by the nail pushing piece, and the cutter is located in the shell. When the drive mechanism is at the cutting position, the sliding distance of the center rod is larger than that of the nail pushing rod, and therefore the cutter is pushed out of the shell by the cutter pushing piece. The structure of the surgical cutting and suturing machine is improved so that in the operation process, after the suturing nail is pushed out of the shell to suture tissue, the cutter can be pushed out of the shell to cut the tissue.
Description
Technical field
the present invention relates to a kind of surgical incision stapler first can sewing up rear cutting.
Background technology
surgical incision stapler is a kind of surgical operating instrument generally adopted in general surgery, thoracic surgery, gynecological, pediatric surgical operation at present.This product adopts stapler principle, by the staggered suture needle of straight line, carries out closedown sew up in operation to internal organs or otch.Surgical incision stapler has to be sewed up neatly, sews up mouth fastness reliable, and haemostatic effect and blood fortune keep good feature.But traditional surgical incision stapler is sewed up, cutting is synchronously carried out, and when practical operation, cutting knife cuts off tissue will prior to staple suture tissue.Like this when cut tissue and cut off organize vertical direction strong, easily occur that tissue is avulsed apparatus and staple and do not squeeze into the malpractice of tissue after cutting off.According to statistical data display, complain the cut rear non-molding of suture needle of tissue or be not molded over structural the rate of complaints completely about 0.2%.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind ofly first sews up the surgical incision stapler cut afterwards.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is:
a kind of surgical incision stapler, comprise the end effector being positioned at front end, the Handleset being positioned at rear end, for connecting the driving mechanism of described end effector and described Handleset,
described end effector comprises housing, be positioned at the staple of described housing and cutting knife, be slidably arranged in described housing for promote described staple nail-pushing part, be slidably arranged in described housing for promoting the push broach part of described cutting knife;
described driving mechanism comprises and can slide along the longitudinal direction thus the center-pole that slides of push broach part described in driving, can slide along the longitudinal direction thus the ejector pin bar that slides of nail-pushing part described in driving, for the actuating device of be in transmission connection described center-pole and described ejector pin bar, described driving mechanism has nail hitting position and cutting position, when described driving mechanism is in nail hitting position, under the effect of described actuating device, the sliding distance of described ejector pin bar is made to be greater than the sliding distance of described center-pole, thus make described staple by the housing described in the release of described nail-pushing part, described cutting knife is positioned at described housing, when described driving mechanism is in cutting position, the sliding distance of described center-pole is greater than the sliding distance of described ejector pin bar, thus makes described cutting knife by the housing described in the release of described push broach part.
particularly, described driving mechanism also comprises assembly frame, described actuating device comprises and being formed on described center-pole and the first chute extended along the longitudinal direction, be slidably arranged in the first axle in the first described chute, the rearward end of leading section and described ejector pin bar to be rotated the first hinge bar be connected by the first described axle, to be formed on described center-pole and the second chute tilting to extend along the vertical direction, the second axle in the second described chute can be slidably arranged in, the rearward end of leading section and the first described hinge bar to be rotated the second hinge bar be connected by the second described axle, to be formed on described center-pole and the 3rd chute extended along the longitudinal direction, be slidably arranged in the 3rd axle in the 3rd described chute, the rearward end of the second described hinge bar to be rotated with described assembly frame by the 3rd described axle and is connected.
more specifically, the upper end of the second described chute is connected with the leading section of the 3rd described chute, and the second described chute is inclined upwardly extension from front to back, and the first described chute and the second described chute are on the same line.
particularly, described driving mechanism also comprise to rotate with described Handleset be connected firing handle, rotating with described firing handle is connected and the push rod that can rotate along with the rotation of described firing handle, the upper end of described push rod optionally can engage with the rear end face of described center-pole, when the upper end of described push rod engages with the rear end face of described center-pole, described center-pole can slide along with the rotation of described push rod.
more specifically, described driving mechanism also comprises the set lever be connected that to rotate with described Handleset, rearward end and described set lever rotate the connecting rod be connected, be formed in the 4th chute on described center-pole, the 4th rotating shaft in the 4th described chute can be slidably arranged in, the leading section of rearward end and described connecting rod is rotated by the 4th described rotating shaft and is connected and can drives the assembly frame of described center-pole forward slip along with the rotation of described set lever, described set lever comprises off-position and locked position, when described set lever is in off-position, the upper end of described push rod and the rear end face of described center-pole are separated, when described set lever is in locked position, described push rod engages with the rear end face of described center-pole.
particularly, described surgical incision stapler also comprises can produce the audio feedback device of audio feedback when the push broach part described in described center-pole promotes completes the cutting to tissue, and described audio feedback device comprises the shifting block be arranged on described Handleset, be arranged on the other fixed block of described shifting block, be formed on described center-pole and can stir described shifting block thus make described shifting block beat described fixed block and send the projection of the sound.
particularly, described surgical incision stapler also comprises the locking mechanism that can stop described driving mechanism forward slip when not have described staple in described housing, described locking mechanism comprise the interest be connected that to rotate with described end effector, the safety plug be arranged in described interest, be arranged on described driving mechanism and can coordinate with described safety plug lock safety groove, be arranged on the relief spring described end effector making described safety plug have the direction towards described safety groove to move; When described nail-pushing part is pressed in described interest, described safety plug and described safety groove are separated.
particularly, described surgical incision stapler also comprises the back-moving spring that described driving mechanism is resetted.
particularly, described surgical incision stapler also comprises initial position, and when described surgical incision stapler is in initial position, the leading section of described center-pole is positioned at the rear of the leading section of described ejector pin bar.
particularly, described push broach part is formed with the draw-in groove that the length direction along described push broach part extends, the leading section of described center-pole is formed with the fixture block that can coordinate clamping with described draw-in groove.
particularly, described ejector pin bar and described actuating device all have two groups and are symmetricly set on the left and right sides of described center-pole.
involvedly above go up the inferior noun of locality all around, when surgical incision stapler uses, one end (i.e. end effector place end) away from operator is front end, one end (and Handleset place end) of close operator is rear end, and set lever and side, firing handle place are that below carries out defining.
scope of the present invention, is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme etc. formed.
because technique scheme is used, the present invention compared with prior art has following advantages: the present invention is by the improvement to surgical incision stapler structure, make when operating, staple can first be pushed out after housing sews up tissue, cutting knife just can be pushed out housing and cut tissue, avoiding to organize causes staple cannot to organizing the defect that sew up after being cut because External Force Acting makes tissue depart from surgical incision stapler, thus makes to use this surgical incision stapler to carry out performing the operation safer.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of the present invention at initial position;
accompanying drawing 2 is the structural representation of the present invention in position location;
accompanying drawing 3 is the structural representation of the present invention at locked position;
accompanying drawing 4 is the structural representation of the present invention in nail hitting position;
accompanying drawing 5 is the structural representation of the present invention at cutting position;
accompanying drawing 6 is the structural representation of nail bin groupware;
accompanying drawing 7 is the structural representation of nail-pushing part;
accompanying drawing 8 is the structural representation of push broach part and cutting knife;
accompanying drawing 9 is the profile of push broach part and cutting knife;
accompanying drawing 10 is the axonometric chart of driving mechanism;
the structural representation of bar centered by accompanying drawing 11;
accompanying drawing 12 is the front view of driving mechanism;
accompanying drawing 13 is the front view of audio feedback mechanism;
accompanying drawing 14 is the partial enlarged drawing of audio feedback mechanism;
wherein: 1, end effector; 2, Handleset; 3, driving mechanism; 4, audio feedback device;
11, device body; 12, anvil assembly; 13, nail bin groupware;
121, edge bearing; 122, nail supporting base;
31, center-pole; 32, ejector pin bar; 33, firing handle; 34, push rod; 35, set lever; 36, connecting rod; 37, the 4th chute; 38, the 4th rotating shaft; 39, assembly frame; 3a, the first chute; 3b, the first axle; 3c, the first hinge bar; 3d, the second chute; 3e, the second axle; 3f, the second hinge bar; 3g, the 3rd chute; 3h, the 3rd axle; 3i, back-moving spring;
131, housing; 132, cutting knife; 133, nail-pushing part; 134, push broach part; 135, positioning needle;
1331, nail seat; 1332, groove; 1333, ejector pin block;
41, shifting block; 42, fixed block; 43, projection;
51, draw-in groove; 52, fixture block; 53, sliding part; 54, projection; 55, chute; 56, limiting section; 57, interest; 58, safety plug; 59, safety groove.
Detailed description of the invention
as shown in accompanying drawing 1 to 5, a kind of surgical incision stapler, comprises the end effector 1 being positioned at front end, the Handleset 2 being positioned at rear end, driving mechanism 3 for connecting end portion executor 1 and Handleset 2.
end effector 1 comprises device body 11, the anvil assembly 12 be fixedly installed on the leading section of device body 11, the nail bin groupware 13 that can be slidably arranged in along the longitudinal direction on device body 11.
as shown in accompanying drawing 6 to 9, nail bin groupware 13 comprises the housing 131 that inside has cavity volume, be positioned at the multiple staples of housing 131 for suture tissue, be positioned at the cutting knife 132 of housing 131 for cutting and organizing, housing 131 is formed with the cutter groove stretched out for cutting knife 132 and the multiple nail slotted eyes penetrated for staple, nail bin groupware 13 also comprises and can be slidably arranged in housing 131 for the nail-pushing part 133 by staple push nail slotted eye along fore-and-aft direction, can be slidably arranged in housing 131 for cutting knife 132 being released the push broach part 134 of cutter groove along fore-and-aft direction, the leading section of push broach part 134 and the rearward end of cutting knife 132 are fixedly connected.Nail bin groupware 13 also comprises the positioning needle 135 that can be slidably arranged in along fore-and-aft direction in housing 131.
as shown in Figure 7, nail-pushing part 133 comprises nail seat 1331, be formed in first and second of the left and right sides of the front end face of nail seat 1331, to be formed in nail seat 1331 and the groove 1332 that can pass for cutting knife 132 between first and second, first does not comprise the ejector pin row of multi-row staggered setting with Part II, in the present embodiment, first and Part II do not comprise the ejector pin row that two rows are linearly arranged, certainly, the row of ejector pin row can be arranged according to actual needs, be not defined as two rows, often arrange ejector pin row and include multiple ejector pin block 1333, multiple ejector pin block 1333 respectively with multiple nail slotted eye one_to_one corresponding, groove 1332 is corresponding with cutter groove, therefore, cutter slot is in the centre of housing 131 front end face, the left and right sides of cutter groove respectively correspondence is provided with many pricking with needle slotted eye.
better staple can be promoted in order to make ejector pin block 1333, be formed in housing 131 and slide and the multiple stopper slots be connected with nail slotted eye for multiple ejector pin block 1333, staple is positioned at stopper slot, when promoting ejector pin block 1333 and making ejector pin block 1333 slide in stopper slot, the leading section of ejector pin block 1333 contacts with the rearward end of staple, thus staple is released housing 131.
anvil assembly 12 comprises the edge bearing 121 that can coordinate with cutting knife 132, the nail supporting base 122 that can coordinate with staple, when staple be pushed out housing 131 and through tissue after, staple contacts with nail supporting base 122 thus in the flex under action molding of nail supporting base 122.
as accompanying drawing 1 to 5, shown in 10 to 12, driving mechanism 3 comprises and can slide along the longitudinal direction thus the center-pole 31 driving push broach part 134 to slide, can slide along the longitudinal direction thus the ejector pin bar 32 driving nail-pushing part 133 to slide, for the actuating device of be in transmission connection center-pole 31 and ejector pin bar 32, to rotate the firing handle 33 be connected with Handleset 2, rotate with firing handle 33 and be connected and the push rod 34 that can rotate along with the rotation of firing handle 33, the upper end of push rod 34 optionally can engage with the rear end face of center-pole 31, when the upper end of push rod 34 engages with the rear end face of center-pole 31, center-pole 31 can along with the rotation of push rod 34 forward slip.
driving mechanism 3 also comprise to rotate with Handleset 2 set lever 35, rearward end and the set lever 35 that are connected rotate the connecting rod 36 be connected, the 4th chute 37 be formed on center-pole 31, the 4th rotating shaft 38 that can be slidably arranged in the 4th chute 37, rearward end and connecting rod 36 leading section rotated by the 4th rotating shaft 38 and be connected and the assembly frame 39 of center-pole 31 forward slip can be driven along with the rotation of set lever 35, the leading section of assembly frame 39 is connected with positioning needle 135 with the housing 131 of nail bin groupware 13 respectively.
actuating device comprises and being formed on center-pole 31 and the first chute 3a extended along the longitudinal direction, be slidably arranged in the first axle 3b in the first chute 3a, the rearward end of leading section and ejector pin bar 32 to be rotated the first hinge bar 3c be connected by the first axle 3b, to be formed on center-pole 31 and the second chute 3d tilting to extend along the vertical direction, the second axle 3e in the second chute 3d can be slidably arranged in, the rearward end of leading section and the first hinge bar 3c to be rotated the second hinge bar 3f be connected by the second axle 3e, to be formed on center-pole 31 and the 3rd chute 3g extended along the longitudinal direction, be slidably arranged in the 3rd axle 3h in the 3rd chute 3g, the rearward end of the second hinge bar 3f to be rotated with assembly frame 39 by the 3rd axle 3h and is connected.The upper end of the second chute 3d is connected with the leading section of the 3rd chute 3g, and the second chute 3d is inclined upwardly extension from front to back, and the first chute 3a and the second chute 3d on the same line.
surgical incision stapler comprises initial position, namely position when surgical incision stapler does not use after having assembled, when surgical incision stapler is in initial position, the leading section of center-pole 31 is positioned at the rear of the leading section of ejector pin bar 32, cutting knife 132 is positioned at the rear of staple, the rearward end of nail-pushing part 133 is positioned at the front of push broach part 134, thus ensures when nail-pushing part 133 releases staple, and cutting knife 132 can not be released housing 131 by push broach part 134.
in the process that set lever 35 rotates backward, set lever 35 is made to comprise off-position, position location and locked position, when set lever 35 is in off-position, the upper end of push rod 34 and the rear end face of center-pole 31 are separated, thus when making operation firing handle 33, center-pole 31 forward slip cannot be driven, play tissue clamping not in place time, driving mechanism 3 cannot carry out nail hitting and cutting operation, in a preferred embodiment, when set lever 35 is in off-position, the downside of center-pole 31 is to being located on push rod 34, thus firing handle 33 cannot be rotated.
when set lever 35 is in position location, driving mechanism 3 and the overall forward slip of nail bin groupware 13, assembly frame 39 promotes positioning needle 135 forward slip thus positioning needle 135 is released housing 131, positioning needle 135 positions tissue, now, the upper end of push rod 34 and the rear end face of center-pole 31 are still separated.
when set lever 35 is in locked position, driving mechanism 3 and nail bin groupware 13 entirety continue forward slip, thus make tissue be clamped between anvil assembly 12 and nail bin groupware 13, now, the upper end of push rod 34 engages with the rear end face of center-pole 31, and driving mechanism 3 can carry out nail hitting and cutting operation.
driving mechanism 3 has nail hitting position and cutting position, when set lever 35 is in locked position, rotating firing handle 33 can make driving mechanism 3 change between nail hitting position and cutting position, when driving mechanism 3 is in nail hitting position, under the effect of actuating device, namely the second axle 3e slides in the second chute 3d, make the first hinge bar 3c and the second hinge bar 3f in same straight line, thus make the sliding distance of ejector pin bar 32 be greater than the sliding distance of center-pole 31, thus make staple be released housing 131 by nail-pushing part 133, cutting knife 132 is positioned at housing 131, when driving mechanism 3 is in cutting position, center-pole 31 continues forward slip, because the first axle 3b slides in the first chute 3a, second axle 3e and the 3rd axle 3h slides in the 3rd chute 3g, thus make the sliding distance of center-pole 31 be greater than the sliding distance of ejector pin bar 32, thus cutting knife 132 is made to be released housing 131 by push broach part 134.
in order to better promote nail-pushing part 133 and push broach part 134, ejector pin bar 32 and actuating device all have two groups and are symmetricly set on the left and right sides of center-pole 31.
as shown figs. 13 and 14, surgical incision stapler also comprises can produce the audio feedback device 4 of audio feedback when center-pole 31 promotes the cutting that push broach part 134 completes tissue, and audio feedback device 4 comprises the shifting block 41 be arranged on Handleset 2, be arranged on the other fixed block 42 of shifting block 41, be formed on center-pole 31 and can stir shifting block 41 thus make shifting block 41 beat fixed block 42 and send the projection 43 of the sound.Fixed block 42 has two and is symmetricly set on the both sides, front and back of shifting block 41, when projection 43 forward slip and when stirring shifting block 41, and the stressed and swing of shifting block 41, thus collide with the fixed block 42 of both sides, front and back and send the sound.
driving mechanism 3 also comprises the back-moving spring 3i that driving mechanism 3 can be made to reset, and the both ends of back-moving spring 3i are connected to center-pole 31 and are connected with assembly frame 39.When after release firing handle 33 and set lever 35, center-pole 31 and assembly frame 39, under the effect of back-moving spring 3i, can slide backward reset.
user is hurt in order to prevent cutting knife 132, as shown in Figure 9, push broach part 134 is formed with the draw-in groove 51 that the length direction (i.e. above-below direction) along push broach part 134 extends, as shown in Figure 13, the leading section of center-pole 31 is formed with the fixture block 52 that can coordinate clamping with draw-in groove 51, when center-pole 31 slides backward under the effect of back-moving spring 3i, push broach part 134 can slide backward together along with center-pole 31, and cutting knife 132 is fixedly connected with push broach part 134, therefore, cutting knife 132 can slide backward together along with push broach part 134 thus again be contained in housing 131.
as shown in accompanying drawing 1 to 5, nail bin groupware 13 also comprises that be arranged on only can the stopping means of forward slip for limiting nail-pushing part 133 between housing 131 and nail-pushing part 133.Stopping means comprises the sliding part 53 be formed on nail-pushing part 133, be formed on housing 131 and the projection 54 extended back, jointly formed and the chute 55 that can slide for sliding part 53, to be formed on projection 54 and towards multiple limiting sections 56 of extension in chute 55 by projection 54 and housing 131.The front end face of limiting section 56 is plane, and rear end face is from back to front towards the inclined-plane that the inside of chute 55 extends.Due to the existence of stopping means, and the leading section of ejector pin bar 32 is not fixedly connected with the rearward end of nail-pushing part 133, only the contact of end face, therefore, when ejector pin bar 32 forward slip, ejector pin bar 32 can promote nail-pushing part 133 forward slip together, and when ejector pin bar 32 slides backward, nail-pushing part 133 can not be followed and slide backward together, in addition, under the effect of stopping means, more effectively prevent nail-pushing part 133 from sliding backward.
surgical incision stapler also comprises the locking mechanism that can stop driving mechanism 3 forward slip when not having staple in housing 131, locking mechanism comprise the interest 57 be connected that to rotate with the device body 11 of end effector 1, the safety plug 58 be arranged in interest 57, be arranged on driving mechanism 3 assembly frame 39 on and the relief spring safety groove 59 locked, the device body 11 being arranged on end effector 1 making safety plug 58 have the direction towards safety groove 59 to move can be coordinated with safety plug 58.Due to when set lever 35 and firing handle 33 do not operate, nail-pushing part 133 is pressed in interest 57, and therefore, safety plug 58 and safety groove 59 are separated, and locking mechanism is in released state; When operating set lever 35, the overall forward slip of driving mechanism 3, make safety groove 59 move to the front of safety plug 58, safety plug 58 cannot insert in safety groove 59, thus locking mechanism cannot lock; After surgical incision stapler completes stitching and cutting, back-moving spring 3i drives driving mechanism 3 to reset, now, because nail-pushing part 133 cannot slide backward together, therefore, when assembly frame 39 slide backwards on safety groove 59 contact with safety plug 58 time, locking mechanism be locked, driving mechanism 3 cannot forward slip.
as mentioned above, we are illustrated according to aim of the present invention completely, but the present invention is not limited to above-described embodiment and implementation method.Different changes and enforcement is carried out in the scope that the practitioner of correlative technology field can permit at technological thought of the present invention.
Claims (10)
1. a surgical incision stapler, comprising the end effector (1) being positioned at front end, the Handleset (2) being positioned at rear end, for connecting described end effector (1) and the driving mechanism (3) of described Handleset (2), it is characterized in that:
Described end effector (1) comprises housing (131), be positioned at the staple of described housing (131) and cutting knife (132), be slidably arranged in described housing (131) for promote described staple nail-pushing part (133), be slidably arranged in described housing (131) for promoting the push broach part (134) of described cutting knife (132);
Described driving mechanism (3) comprises and can slide along the longitudinal direction thus the center-pole (31) that slides of push broach part (134) described in driving, can slide along the longitudinal direction thus the ejector pin bar (32) that slides of nail-pushing part (133) described in driving, for the actuating device being in transmission connection center-pole (31) and described ejector pin bar (32) described, described driving mechanism (3) has nail hitting position and cutting position, when described driving mechanism (3) is in nail hitting position, under the effect of described actuating device, the sliding distance of described ejector pin bar (32) is made to be greater than the sliding distance of described center-pole (31), thus make described staple by the housing (131) described in the release of described nail-pushing part (133), described cutting knife (132) is positioned at described housing (131), when described driving mechanism (3) is in cutting position, the sliding distance of described center-pole (31) is greater than the sliding distance of described ejector pin bar (32), thus makes described cutting knife (132) by the housing (131) described in the release of described push broach part (134).
2. surgical incision stapler according to claim 1, it is characterized in that: described driving mechanism (3) also comprises assembly frame (39), described actuating device comprises and is formed in upper and the first chute (3a) extended along the longitudinal direction of described center-pole (31), be slidably arranged in the first axle (3b) in described the first chute (3a), the rearward end of leading section and described ejector pin bar (32) to be rotated the first hinge bar (3c) be connected by described the first axle (3b), be formed in described center-pole (31) to go up and the second chute (3d) tilting to extend along the vertical direction, the second axle (3e) in described the second chute (3d) can be slidably arranged in, the rearward end of leading section and described the first hinge bar (3c) to be rotated the second hinge bar (3f) be connected by described the second axle (3e), be formed in described center-pole (31) to go up and the 3rd chute (3g) extended along the longitudinal direction, be slidably arranged in the 3rd axle (3h) in the 3rd described chute (3g), the rearward end of described the second hinge bar (3f) is rotated with described assembly frame (39) by the 3rd described axle (3h) and is connected.
3. surgical incision stapler according to claim 2, it is characterized in that: the upper end of described the second chute (3d) is connected with the leading section of the 3rd described chute (3g), described the second chute (3d) is inclined upwardly extension from front to back, and described the first chute (3a) and described the second chute (3d) are on the same line.
4. surgical incision stapler according to claim 1, it is characterized in that: described driving mechanism (3) also comprises the firing handle (33) be connected that to rotate with described Handleset (2), rotate with described firing handle (33) and be connected and the push rod (34) that can rotate along with the rotation of described firing handle (33), the upper end of described push rod (34) optionally can engage with the rear end face of described center-pole (31), when the upper end of described push rod (34) engages with the rear end face of described center-pole (31), described center-pole (31) can slide along with the rotation of described push rod (34).
5. surgical incision stapler according to claim 4, it is characterized in that: described driving mechanism (3) also comprises the set lever (35) be connected that to rotate with described Handleset (2), rearward end and described set lever (35) rotate the connecting rod (36) be connected, be formed in the 4th chute (37) on described center-pole (31), the 4th rotating shaft (38) in the 4th described chute (37) can be slidably arranged in, the leading section of rearward end and described connecting rod (36) is rotated by the 4th described rotating shaft (38) and is connected and can drives the assembly frame (39) of described center-pole (31) forward slip along with the rotation of described set lever (35), described set lever (35) comprises off-position and locked position, when described set lever (35) is in off-position, the upper end of described push rod (34) and the rear end face of described center-pole (31) are separated, when described set lever (35) is in locked position, described push rod (34) engages with the rear end face of described center-pole (31).
6. surgical incision stapler according to claim 1, it is characterized in that: described surgical incision stapler also comprises the audio feedback device (4) that can produce audio feedback when the push broach part (134) described in described center-pole (31) promotes completes the cutting to tissue, described audio feedback device (4) comprises the shifting block (41) be arranged on described Handleset (2), be arranged on the fixed block (42) that described shifting block (41) is other, be formed in described center-pole (31) upper and described shifting block (41) can be stirred thus make described shifting block (41) beat described fixed block (42) and send the projection (43) of the sound.
7. surgical incision stapler according to claim 1, it is characterized in that: described surgical incision stapler also comprises the locking mechanism not having can stop during described staple described driving mechanism (3) forward slip in described housing (131), described locking mechanism comprises the interest (57) be connected that to rotate with described end effector (1), be arranged on the safety plug (58) in described interest (57), be arranged on described driving mechanism (3) go up and the safety groove (59) locked can be coordinated with described safety plug (58), be arranged on the relief spring described end effector (1) making described safety plug (58) have the direction towards described safety groove (59) to move, when described nail-pushing part (133) is pressed in described interest (57), described safety plug (58) and described safety groove (59) are separated.
8. surgical incision stapler according to claim 1, it is characterized in that: described surgical incision stapler also comprises initial position, when described surgical incision stapler is in initial position, the leading section of described center-pole (31) is positioned at the rear of the leading section of described ejector pin bar (32).
9. surgical incision stapler according to claim 1, it is characterized in that: described push broach part (134) is formed with the draw-in groove (51) that the length direction along described push broach part (134) extends, the leading section of described center-pole (31) is formed with the fixture block (52) that can coordinate clamping with described draw-in groove (51).
10. surgical incision stapler according to any one of claim 1 to 9, is characterized in that: described ejector pin bar (32) and described actuating device all have two groups and be symmetricly set on the left and right sides of described center-pole (31).
Priority Applications (1)
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| CN105434003A (en) * | 2015-12-22 | 2016-03-30 | 北京派尔特医疗科技股份有限公司 | Nail bin assembly of straight line suturing device and straight line suturing device |
| CN106618655A (en) * | 2017-02-27 | 2017-05-10 | 苏州法兰克曼医疗器械有限公司 | Surgical cutting anastomat for stitching-then-cutting |
| CN109259813A (en) * | 2018-10-24 | 2019-01-25 | 汕头大学医学院第附属医院 | Purse-string suture device clamps together device under a kind of hysteroscope |
| CN112515719A (en) * | 2020-10-19 | 2021-03-19 | 苏州贝诺医疗器械有限公司 | Transverse stitching instrument for intracavity surgery |
| WO2021081984A1 (en) * | 2019-11-01 | 2021-05-06 | Covidien Lp | Surgical stapling device with knife blade lock |
| CN113081118A (en) * | 2021-03-26 | 2021-07-09 | 苏州法兰克曼医疗器械有限公司 | Endoscopic cutting anastomat |
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