CN212186597U

CN212186597U - Laparoscopic minimally invasive surgery stitch removing instrument

Info

Publication number: CN212186597U
Application number: CN202020466845.0U
Authority: CN
Inventors: 高同斌; 魏倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-12-22
Anticipated expiration: 2030-04-02

Abstract

The utility model belongs to the technical field of the apparatus of taking out stitches, especially a peritoneoscope minimal access surgery apparatus of taking out stitches, to the problem that the existing take out stitches can not go deep into the abdominal cavity in the laparoscopic minimal access surgery, the scheme is proposed, which comprises a hollow operation part, one side of the hollow operation part is fixedly connected with an extension sleeve, an extension rod is slidably mounted in the extension sleeve, the top side of the end of the extension sleeve far away from the hollow operation part is provided with a notch, one end of the extension rod extends to the notch position and is fixedly provided with a propelling knife, the other end of the extension rod extends into the hollow operation part, the bottom of the hollow operation part is fixedly connected with a holding part, the hollow operation part is also provided with a first rotating shaft, the top of the hollow operation part is rotatably connected with a rotating part through the first rotating shaft, the utility model has ingenious structure, and, and the split design is adopted, so that the device is more convenient to clean and disinfect.

Description

Laparoscopic minimally invasive surgery stitch removing instrument

Technical Field

The utility model relates to a stitches instrument technical field especially relates to a peritoneoscope minimal access surgery stitches instrument.

Background

The laparoscopic minimally invasive surgery is a newly developed minimally invasive method and is an inevitable trend for the development of future surgical methods. With the rapid advance of industrial manufacturing technology, the fusion of related disciplines lays a firm foundation for the development of new technology and new method, and the more and more skillful operation of doctors makes many of the past open operations replaced by the intracavitary operations, thereby greatly increasing the operation selection opportunities. The traditional method of the retrolaparoendoscopic surgery is to make three small 1 cm incisions on the waist of a patient, insert a tubular working channel called trocar respectively, and carry out all the following operations through the three channels; and then special lengthened surgical instruments are used for completing the same steps as the open surgery under the television monitoring, so that the same surgical effect is achieved.

The patent publication No. CN208838044U Chinese utility model patent discloses a painless ware of taking out stitches of high tension knot of surgery, including handle and blade, handle one end is connected its characterized in that with the one end of blade: the other end of the blade is connected with a guide head, the guide head is in a block shape with a round and blunt periphery, the diameter of the guide head is larger than the width of the blade, and one side or two sides of the blade are provided with cutting edges. The using method comprises the following steps: the exposed thread end is clamped by tweezers, the guide head is inserted into the thread knot, and the thread knot can be cut off by the blade of the blade. The utility model is specially used for disassembling surgical high-tension sutures, the safety of suture disassembly is high, the suture knot does not need to be lifted to be away from skin and tissues, the suture disassembly and the bleeding are not easy to occur, the product is integrally formed, the suture can be used once, and the cross infection is avoided; the manufacturing cost is low, the suture removing device can be recycled, and the suture removing device cannot be deeply removed from the abdominal cavity in a laparoscopic minimally invasive surgery.

SUMMERY OF THE UTILITY MODEL

The utility model provides a peritoneoscope minimal access surgery instrument of taking out stitches has solved current take out stitches ware and can't go deep into the problem of taking out stitches in the abdominal cavity in peritoneoscope minimal access surgery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a laparoscopic minimally invasive surgery suture removing instrument comprises a hollow operating part, one side of the hollow operating part is fixedly connected with an extension sleeve, an extension rod is arranged in the extension sleeve in a sliding mode, a notch is formed in the top side of one end, far away from the hollow operating part, of the extension sleeve, one end of the extension rod extends to the position of the notch, a propelling knife is fixedly installed at one end of the extension rod, the other end of the extension rod extends into the hollow operating part, a holding part is fixedly connected to the bottom end of the hollow operating part, a first rotating shaft is further arranged on the hollow operating part, the top end of the hollow operating part is rotatably connected with a rotating part through the first rotating shaft, the top end of the rotating part extends into the hollow operating part, two fixing strips are fixedly connected to one side, close to the extension rod, of the fixing strips, rectangular sliding openings are formed in the fixing strips, one end, the slip stick is mutually perpendicular with the extension rod, the slip stick passes through the rectangle slip mouth and runs through the fixed strip, and the one end of slip stick is connected with the stopper, the width of stopper is greater than the width of rectangle slip mouth, the rolling groove has been seted up to one side that rotates and is close to the extension rod, the one end that the extension rod is close to the rolling groove is rotated and is connected with the gyro wheel, the gyro wheel extends to the rolling inslot, and the inside rolling contact in gyro wheel and rolling groove, the one side fixedly connected with reset spring who keeps away from the extension rod rotates, reset spring keeps away from the one end of rotating and the inner wall fixed.

Preferably, the extension rod is close to the one end of breach and has seted up T font mounting groove, and the propulsion sword is close to one side fixedly connected with installation piece of extension rod, and the propulsion sword is in T font mounting groove with installation piece slidable mounting, and outside the cutting edge one end of propulsion sword extended to T font mounting groove, fixedly connected with magnet on the bottom inner wall of T font mounting groove.

Preferably, the top of extension rod is close to T font installation trench and is equipped with the second pivot, and the separation blade is installed in the rotation of the top of extension rod through the second pivot, the bottom of separation blade and the top sliding contact of extension rod.

Preferably, the top end of the baffle has protruding particles.

Preferably, the cavity operating part is close to extension sheathed tube one side fixedly connected with installation sleeve, and extension sheathed tube one end extends to the installation sleeve intraductally, and the extension rod includes the first body of rod and the second body of rod, and the locating hole that has the mutual matching is all opened to the one end that the first body of rod and second body of rod are close to each other, and the sliding hole has been seted up on installation sheathed tube top, and sliding hole slidable mounting has the locating pin, and the locating hole runs through the first body of rod and the second body of rod through the bottom of locating pin, and threaded hole has still been seted up on installation sheathed tube top, and locking.

Preferably, the top end of the extension sleeve is provided with a locking groove, and the bottom end of the locking bolt extends into the locking groove.

Preferably, the top end of the locking bolt extends to the upper part of the mounting sleeve and is fixedly connected with a knob.

Preferably, the holding piece and one end of the rotating piece, which is far away from the hollow operating piece, are fixedly connected with a circular ring.

Compared with the prior art, the utility model:

1. through the design of the extension sleeve and the extension rod, the device can reach the abdominal cavity through a minimally invasive way to remove the suture, and the rotating piece is rotated clockwise by fingers to drive the pushing knife to horizontally move the tangent line, so that the operation is simpler and more convenient;

2. through the detachable design of the propelling knife, the propelling knife can be detached, cleaned and disinfected more conveniently, the propelling knife can be replaced conveniently when damaged, the sleeve part can be detached from the hollow operating part, and convenience is brought to cleaning and disinfection of the device;

the utility model discloses the structure is ingenious, can be convenient reach the abdominal cavity through the wicresoft in come the stitches, and adopt split type design for the washing and the disinfection of device are more convenient.

Drawings

Fig. 1 is a schematic structural view of an embodiment 1 of a laparoscopic minimally invasive surgery stitches removing instrument according to the present invention;

fig. 2 is an enlarged schematic view of the position a in embodiment 1 of the laparoscopic minimally invasive surgery stitches removing instrument provided by the present invention;

FIG. 3 is a top view of the connecting position of the extension rod and the rotating member in the embodiment 1 of the laparoscopic minimally invasive surgery stitches removing instrument of the present invention;

FIG. 4 is a top view of a mounting structure of a pusher knife in an embodiment 2 of the laparoscopic minimally invasive surgery stitches removing instrument of the present invention;

fig. 5 is a side view angle sectional view of a mounting structure of a push scalpel in embodiment 2 of the laparoscopic minimally invasive surgery stitches removing instrument of the present invention;

fig. 6 is a schematic structural view of an embodiment 3 of a laparoscopic minimally invasive surgery stitches removing instrument according to the present invention;

fig. 7 is an enlarged schematic view of the position B in embodiment 3 of the laparoscopic minimally invasive surgery stitches removing instrument according to the present invention.

Reference numbers in the figures: the device comprises a hollow operating piece 1, an extension sleeve 2, an extension rod 3, a notch 4, a pushing knife 5, a holding piece 6, a first rotating shaft 7, a rotating piece 8, a fixing strip 9, a rectangular sliding opening 10, a limiting block 11, a return spring 12, a sliding rod 13, a roller 14, a rolling groove 15, a T-shaped mounting groove 16, a mounting block 17, a positioning pin 18, a second rotating shaft 19, a baffle 20, a protruding particle 21, a magnet 22, a mounting sleeve 23, a locking bolt 24, a knob 25, a ring 26, a first rod body 31 and a second rod body 32.

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.

Example 1: as shown in fig. 1-3, a laparoscopic minimally invasive surgery suture removing instrument comprises a hollow operating member 1, one side of the hollow operating member 1 is fixedly connected with an extension sleeve 2, an extension rod 3 is slidably mounted in the extension sleeve 2, the extension rod 3 can horizontally slide in the extension sleeve 2, a notch 4 is formed in the top side of one end, away from the hollow operating member 1, of the extension sleeve 2, one end of the extension rod 3 extends to the position of the notch 4 and is fixedly provided with a propelling knife 5, the propelling knife 5 moves leftwards to be matched with the inner wall of the notch 4 to cut off a surgical suture, the other end of the extension rod 3 extends into the hollow operating member 1, the bottom end of the hollow operating member 1 is fixedly connected with a holding member 6, the hollow operating member 1 is further provided with a first rotating shaft 7, the top end of the hollow operating member 1 is rotatably connected with a rotating member 8 through the, and one side of the rotating member 8 close to the extension bar 3 is fixedly connected with two fixing bars 9, a rectangular sliding opening 10 is arranged on the fixing bar 9, one end of the extension bar 3 close to the fixing bars 9 extends to a position between the two fixing bars 9, two sides of the extension bar 3 close to the fixing bars 9 are fixedly connected with sliding rods 13, the sliding rods 13 are perpendicular to the extension bar 3, the sliding rods 13 penetrate through the fixing bars 9 through the rectangular sliding openings 10, one end of each sliding rod 13 is connected with a limiting block 11, the width of each limiting block 11 is larger than that of each rectangular sliding opening 10, one side of the rotating member 8 close to the extension bar 3 is provided with a rolling groove 15, one end of the extension bar 3 close to the rolling groove 15 is rotatably connected with a roller 14, the roller 14 extends into the rolling groove 15, the roller 14 is in rolling contact with the inside of the rolling groove 15, one side of the rotating member 8 far away from the extension bar 3 is fixedly connected with a return spring 12, one end of the, when the rotating part 8 rotates anticlockwise, the extension rod 3 can be pushed to move leftwards, so that the pushing knife 5 can be pushed to move leftwards to break a wire, in the pushing process, the sliding rod 13 slides in the rectangular sliding opening 10, and the roller 14 can roll in the rolling groove 15 to achieve the effect of reducing friction.

Wherein, the equal fixedly connected with ring 26 of one end that the hollow operation spare 1 was kept away from to the gripping member 6 and the rotation piece 8, can insert the finger during use and operate rotation piece 8 in ring 26, rotation that can be more convenient rotates piece 8.

Example 2: as shown in fig. 4-5, the embodiment is different from embodiment 1 in that a T-shaped mounting groove 16 is formed in one end of the extension rod 3 close to the notch 4, a mounting block 17 is fixedly connected to one side of the push-in blade 5 close to the extension rod 3, the push-in blade 5 and the mounting block 17 are slidably mounted in the T-shaped mounting groove 16, one end of the cutting edge of the push-in blade 5 extends out of the T-shaped mounting groove 16, a magnet 22 is fixedly connected to the inner wall of the bottom end of the T-shaped mounting groove 16, the push-in blade 5 and the extension rod 3 are detachably designed, the push-in blade 5 can be pre-fixed in the magnet 22 by the attraction of the magnet 22, the push-in blade 5 can be detached, cleaned and disinfected more conveniently.

Wherein, the top of extension rod 3 is close to T font mounting groove 16 position and is equipped with second pivot 19, and extension rod 3's top is rotated through second pivot 19 and is installed separation blade 20, and separation blade 20's bottom and extension rod 3's top sliding contact can support installation piece 17 when rotating separation blade 20 directly over to T font mounting groove 16 for installation piece 17 can not break away from in T font mounting groove 16, makes the installation of propelling movement sword 5 more stable.

The top end of the baffle 20 is provided with the protruding particles 21, the baffle 20 can rotate more conveniently due to the protruding particles 21, and the finger cannot slip when the finger pulls the baffle 20.

Example 3, as shown in fig. 6 to 7, the present example is different from example 1 in that a mounting sleeve 23 is fixedly connected to a side of the hollow operating element 1 close to the extension sleeve 2, one end of the extension sleeve 2 extends into the mounting sleeve 23, the mounting sleeve 23 and the extension sleeve 2 are detachably designed, the extension rod 3 includes a first rod 31 and a second rod 32, the mutually close ends of the first rod 31 and the second rod 32 are respectively provided with a mutually matching positioning hole, the top end of the mounting sleeve 23 is provided with a sliding hole, the sliding hole is slidably provided with a positioning pin 18, the bottom end of the positioning pin 18 penetrates through the first rod 31 and the second rod 32 through the positioning hole, the top end of the mounting sleeve 23 is further provided with a threaded hole, the threaded hole is internally provided with a locking bolt 24, when assembling, the extension sleeve 2 is inserted into the mounting sleeve 23, and then the locking bolt 24 is screwed to fix the position of the extension, the positioning pin 18 is inserted to fix the first rod body 31 and the second rod body 32 together, when the device is required to be detached, only the locking bolt 24 and the positioning pin 18 need to be taken down and screwed, and the extension sleeve 2 can be detached from the hollow operation part 1, so that convenience is brought to cleaning and disinfection of the device.

Wherein, the top of extension sleeve pipe 2 is seted up locking groove, and the bottom of locking bolt 24 extends to in the locking groove, twists locking bolt 24 and makes locking bolt 24 move down and lock in the locking groove and can fix extension sleeve pipe 2.

Wherein, the top of locking bolt 24 extends to the top of installing sleeve 23 and fixedly connected with knob 25, and the existence of knob 25 can be more laborsaving rotatory locking bolt 24.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a peritoneoscope minimal access surgery instrument of taking out stitches, including cavity operating parts (1), a serial communication port, one side fixedly connected with extension sleeve pipe (2) of cavity operating parts (1), slidable mounting has extension pole (3) in extension sleeve pipe (2), the one end top side that cavity operating parts (1) were kept away from in extension sleeve pipe (2) is seted up jaggedly (4), the one end of extension pole (3) extends to breach (4) position and fixed mounting has push away sword (5), the other end of extension pole (3) extends to in the cavity operating parts (1), the bottom fixedly connected with of cavity operating parts (1) grips piece (6), still be equipped with first pivot (7) on the cavity operating parts (1), the top of cavity operating parts (1) is rotated through first pivot (7) and is connected with rotation piece (8), the top of rotation piece (8) extends to the inside of cavity operating parts (1), and one side of the rotating piece (8) close to the extension rod (3) is fixedly connected with two fixing strips (9), a rectangular sliding opening (10) is arranged on each fixing strip (9), one end of the extension rod (3) close to the fixing strips (9) extends to a position between the two fixing strips (9), two sides of the extension rod (3) close to the fixing strips (9) are fixedly connected with sliding rods (13), the sliding rods (13) are perpendicular to the extension rod (3), the sliding rods (13) penetrate through the fixing strips (9) through the rectangular sliding openings (10), one ends of the sliding rods (13) are connected with limit blocks (11), the width of the limit blocks (11) is larger than that of the rectangular sliding openings (10), one side of the rotating piece (8) close to the extension rod (3) is provided with a rolling groove (15), one end of the extension rod (3) close to the rolling groove (15) is rotatably connected with idler wheels (14), and the idler wheels (14) extend into the rolling groove (15), and the roller (14) is in rolling contact with the inside of the rolling groove (15), one side of the rotating piece (8) far away from the extension rod (3) is fixedly connected with a return spring (12), and one end of the return spring (12) far away from the rotating piece (8) is fixedly connected with the inner wall of the hollow operating piece (1).

2. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 1, wherein a T-shaped mounting groove (16) is formed in one end of the extension rod (3) close to the notch (4), a mounting block (17) is fixedly connected to one side of the propelling knife (5) close to the extension rod (3), the propelling knife (5) and the mounting block (17) are slidably mounted in the T-shaped mounting groove (16), one end of a cutting edge of the propelling knife (5) extends out of the T-shaped mounting groove (16), and a magnet (22) is fixedly connected to the inner wall of the bottom end of the T-shaped mounting groove (16).

3. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 2, wherein a second rotating shaft (19) is arranged at the top end of the extension rod (3) near the T-shaped mounting groove (16), a blocking piece (20) is rotatably mounted at the top end of the extension rod (3) through the second rotating shaft (19), and the bottom end of the blocking piece (20) is in sliding contact with the top end of the extension rod (3).

4. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 3, characterized in that the top end of said blocking plate (20) has protruding particles (21).

5. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 1, wherein a mounting sleeve (23) is fixedly connected to one side of the hollow operating part (1) close to the extension sleeve (2), one end of the extension sleeve (2) extends into the mounting sleeve (23), the extension rod (3) comprises a first rod body (31) and a second rod body (32), locating holes matched with each other are formed in one ends of the first rod body (31) and the second rod body (32) close to each other, a sliding hole is formed in the top end of the mounting sleeve (23), a locating pin (18) is slidably installed in the sliding hole, the bottom end of the locating pin (18) penetrates through the first rod body (31) and the second rod body (32) through the locating holes, a threaded hole is formed in the top end of the mounting sleeve (23), and a locking bolt (24) is installed in the threaded hole.

6. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 5, characterized in that the top end of the extension sleeve (2) is provided with a locking groove, and the bottom end of the locking bolt (24) extends into the locking groove.

7. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 6, characterized in that the top end of the locking bolt (24) extends above the mounting sleeve (23) and is fixedly connected with a knob (25).

8. The laparoscopic minimally invasive surgery stitch removing instrument according to claim 1, characterized in that the gripping member (6) and the rotating member (8) are fixedly connected with a circular ring (26) at the ends far away from the hollow operation member (1).