CN110664449A - Cutting stitching instrument suitable for minimally invasive surgery - Google Patents
Cutting stitching instrument suitable for minimally invasive surgery Download PDFInfo
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- CN110664449A CN110664449A CN201911069539.1A CN201911069539A CN110664449A CN 110664449 A CN110664449 A CN 110664449A CN 201911069539 A CN201911069539 A CN 201911069539A CN 110664449 A CN110664449 A CN 110664449A
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- rod
- cutting
- guide
- shaped
- strip
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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
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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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
- A61B17/07207—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 the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00353—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery one mechanical instrument performing multiple functions, e.g. cutting and grasping
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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
- A61B2017/07271—Stapler heads characterised by its cartridge
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a cutting stitching instrument suitable for minimally invasive surgery, which comprises a main rod, a tail end rod, a handle fixing rod, a pressing rod and a clamping rod, wherein the main rod is fixedly connected with the tail end rod; a tangent plane is arranged at the side edge of the front end of the main rod; the clamping rod is hinged to the tangent plane in a swinging mode; a nail bin groove is arranged on the tangent plane; two cutting nail pushing heads are arranged in the nail bin groove side by side; two firing mechanisms for cutting the nail pushing head are arranged in the main rod; the tail end rod is fixedly arranged at the tail end of the main rod, and two locking mechanisms for locking the two firing mechanisms respectively are arranged on the tail end rod. The cutting and suturing device utilizes the two firing mechanisms to respectively perform side-by-side selective cutting and suturing on the two cutting and pushing nail heads, so that selective firing is performed according to the side edge of the tissue to be cut, the tissue can be cut and sutured at one time after firing, and the use is flexible and convenient; the rod-shaped structures of the main rod and the clamping rod are utilized to meet the use requirement of small internal space of the minimally invasive surgery.
Description
Technical Field
The invention relates to a cutting stitching instrument, in particular to a cutting stitching instrument suitable for minimally invasive surgery.
Background
At present, when minimally invasive surgery is performed, cutting and suturing of tissues are often needed, but existing cutting and suturing devices are not suitable for minimally invasive surgery due to the fact that the devices are large in size, and the devices suitable for cutting and suturing of the tissues are relatively independent. Therefore, it is necessary to design a cutting and suturing device suitable for minimally invasive surgery, which can be completed by only one device when cutting and suturing tissues and can meet the use requirement of the minimally invasive surgery.
Disclosure of Invention
The invention has the following aims: provides a cutting and suturing device suitable for minimally invasive surgery, which can cut and suture tissues and meet the use requirement of the minimally invasive surgery.
The technical scheme is as follows: the invention provides a cutting stitching instrument suitable for minimally invasive surgery, which comprises a main rod, a tail end rod, a handle fixing rod, a pressing rod and a clamping rod, wherein the main rod is fixedly connected with the tail end rod;
the side edge of the front end of the main rod is provided with a tangent plane, and the tangent plane is parallel to the axial direction of the main rod; the clamping rod is hinged to the tangent plane in a swinging mode and used for pressing the tangent plane after swinging; a nail bin groove for placing a nail bin is axially arranged on the section along the main rod; two cutting nail pushing heads are arranged in the nail bin groove side by side; two firing mechanisms for cutting the nail pushing head are arranged in the main rod; the tail end rod is fixedly arranged at the tail end of the main rod, and two locking mechanisms for locking the two firing mechanisms respectively are arranged on the tail end rod;
the handle fixing rod is fixedly arranged on the rear end surface of the tail end rod and is axially parallel to the main rod; the rear end face of the tail end rod is provided with a rear end hinge notch, and the pressing rod is arranged on the rear end hinge notch in a swing hinge mode; the tail end of the pressing rod is provided with a guide rod in a swing-type hinged manner; the tail end of the handle fixing rod is provided with a guide rod hole; the end part of the guide rod penetrates through the guide rod hole, an external thread is arranged on the penetrating end part, and a butterfly nut is screwed on the external thread; a rebound pressure spring is sleeved on the guide rod and elastically supported between the handle fixing rod and the pressing rod; the clamping rod is driven to swing through the transmission structure after the pressing rod swings.
Furthermore, the cutting nail pushing head is integrally formed by a nail pushing support plate, a bottom connecting plate and a cutting blade; the nail pushing support plate is parallel to the cutting blade, and the bottom connecting plate is connected and arranged between the nail pushing support plate and the lower side edge of the cutting blade; the front side edge of the cutting blade is provided with an arc-shaped concave arc-shaped blade; a blade groove is formed in the inner side face of the clamping rod, and the upper side edge of the cutting blade is embedded into the blade groove after being pressed by the clamping rod; when two cutting push away the pin fin and set up side by side, two cutting blade are pressed close to each other and are located between two push away the nail backup pads.
Furthermore, a supporting slope surface is arranged at the front side edge of the nail pushing supporting plate.
Furthermore, the length edges of two sides of the side edge of the tangent plane are respectively provided with a strip-shaped pressing groove, and the clamping rods are provided with anti-skid rubber strips at the positions opposite to the strip-shaped pressing grooves.
Furthermore, the two firing mechanisms comprise firing rods, guide lock rods, guide sliders and firing pressure springs; two guide sliding holes are axially arranged in the main rod; the two guide sliding blocks are respectively arranged in the two guide sliding holes in a sliding manner; the rear ends of the two firing rods penetrate through the nail bin groove and extend into the two guide sliding holes, and the two firing rods are respectively fixed on the front side surfaces of the two guide sliding blocks; the front ends of the two firing rods are respectively fixed on the two cutting nail pushing heads; two locking rod holes are axially formed in the rear end of the main rod, and extend from the guide sliding hole to the tail end rod; the two guide lock rods are respectively inserted into the two lock rod holes, and the front end parts of the two guide lock rods are respectively fixed on the rear side surfaces of the two guide slide blocks; two firing pressure springs are respectively sleeved on the two guide lock rods, and the firing pressure springs are elastically supported between the rear side surface of the guide sliding block and the rear end surface of the guide sliding hole; two strip-shaped guide holes which are respectively communicated with the two lock rod holes are formed in the side edge of the tail end rod; two guiding lock rods are provided with side raised lines extending out of the strip-shaped guiding holes, and the extending ends of the side raised lines are provided with shifting lugs.
Furthermore, the two locking mechanisms respectively comprise a locking rod, a locking pressure spring, a pry bar and a protective sleeve head; two side holes are formed in the tail end rod, two locking rods are respectively inserted into the two side holes, and an extrusion slope is arranged at the insertion end parts of the locking rods; the rear end rod walls of the two guide lock rods are respectively provided with a locking hole; two hinged mounting seats are arranged on the tail end rod; the middle parts of the two pry bars are respectively installed on the hinged installation seats in a swing-type hinged mode, and waist-shaped holes are formed in the front end parts of the two pry bars; the two protective sleeve heads are respectively sleeved on the rear ends of the two pry bars; the outer end parts of the two locking rods are respectively hinged on kidney-shaped holes of the two prying rods through two pin shafts; limiting convex rings for limiting the depth of the insertion side holes are arranged on the two locking rods; the locking compression spring is elastically supported between the rear end of the pry bar and the tail end bar and used for pushing the end part of the locking rod to be inserted into the locking hole.
Furthermore, the transmission structure comprises a transmission rod, a sliding seat and an inclined push rod; a strip-shaped notch is formed in the rear side edge of the tangent plane on the main rod; the rear end of the clamping rod extends backwards to be provided with a hinged convex strip, the rear side surface of the hinged convex strip is provided with an inclined slope surface, and a T-shaped sliding groove is arranged on the inclined slope surface; the hinged convex strips are embedded into the strip-shaped notches and are hinged and installed on the strip-shaped notches in a swinging mode through hinged short shafts arranged on the side edges; the transmission rod penetrates through the main rod and the tail end rod from the strip-shaped notch; the front end of the transmission rod is obliquely provided with a push-pull convex strip extending into the T-shaped sliding groove, and the extending end part of the push-pull convex strip is provided with a short cylinder embedded into the T-shaped sliding groove in a sliding manner; a push-pull T-shaped groove is axially arranged on the handle fixing rod, and a T-shaped sliding block is slidably arranged in the push-pull T-shaped groove; the sliding seat is fixedly arranged on the T-shaped sliding block; the rear end of the transmission rod is provided with a push-pull diagonal rod in an extending way, and the rear end part of the push-pull diagonal rod is fixedly arranged on the sliding seat; one end of the inclined push rod is hinged on the sliding seat in a swinging mode, and the other end of the inclined push rod is hinged on the rear end of the pressing rod in a swinging mode.
Furthermore, guide strip-shaped grooves are formed in the side groove edges of the length sides of the two sides of the strip-shaped groove opening and are parallel to the axial direction of the transmission rod; two convex shafts are arranged on the side edges of the front end part of the transmission rod, and the end parts of the two convex shafts are respectively embedded into the guide strip-shaped grooves on the two sides in a sliding mode.
Furthermore, rubber extrusion strips for extruding the nail bin are arranged on the side edges of the side grooves on the length sides of the two sides of the nail bin groove.
Furthermore, the front end faces of the main rod and the clamping rods are both arc-shaped slope surfaces.
Compared with the prior art, the invention has the beneficial effects that: the two cutting nail pushing heads are respectively subjected to side-by-side selective cutting and suturing by utilizing the two firing mechanisms, so that selective firing is carried out according to the side edge of the tissue to be cut, the tissue cutting and suturing can be completed at one time after the firing, and the use is flexible and convenient; the rod-shaped structures of the main rod and the clamping rod are utilized, so that the use requirement of small internal space of the minimally invasive surgery is met; the butterfly nut can be used for locking after clamping tissues, and simultaneously, the clamping locking is rapidly released after the clamping locking is released under the action of the rebound compression spring.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional structure of the present invention;
FIG. 3 is a schematic view of the structure of two cutting nail pushing heads and a nail bin of the present invention;
fig. 4 is a schematic structural diagram of the rear end of the clamping rod of the invention.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in FIGS. 1-4, the invention discloses a cutting and suturing device suitable for minimally invasive surgery, comprising: the device comprises a main rod 1, a tail end rod 4, a handle fixing rod 5, a pressing rod 6 and a clamping rod 3;
the side edge of the front end side of the main rod 1 is provided with a tangent plane 2, and the tangent plane 2 is parallel to the axial direction of the main rod 1; the clamping rod 3 is hinged to the section 2 in a swinging mode and used for pressing the section 2 after the clamping rod 3 swings; a nail bin groove 32 for placing a nail bin 53 is arranged on the section 2 along the axial direction of the main rod 1; two cutting nail pushing heads are arranged in the nail bin groove 32 side by side; two firing mechanisms for cutting the nail pushing head are arranged in the main rod 1; the tail end rod 4 is fixedly arranged at the tail end of the main rod 1, and two locking mechanisms for locking the two firing mechanisms respectively are arranged on the tail end rod 4;
the handle fixing rod 5 is fixedly arranged on the rear end surface of the tail end rod 4, and the handle fixing rod 5 is axially parallel to the main rod 1; a rear end hinge notch 49 is formed in the rear end face of the tail end rod 4, and the pressing rod 6 is mounted on the rear end hinge notch 49 in a swing hinge manner; the tail end of the pressing rod 6 is provided with a guide rod 7 in a swing hinge mode; the tail end of the handle fixing rod 5 is provided with a guide rod hole; the end part of the guide rod 7 penetrates through the guide rod hole, an external thread 10 is arranged on the penetrating end part, and a butterfly nut 9 is screwed on the external thread 10; a rebound compression spring 8 is sleeved on the guide rod 7, and the rebound compression spring 8 is elastically supported between the handle fixing rod 5 and the pressing rod 6; the pressing rod 6 drives the clamping rod 3 to swing through a transmission structure after swinging.
The two cutting nail pushing heads are respectively subjected to side-by-side selective cutting and suturing by utilizing the two firing mechanisms, so that selective firing is carried out according to the side edge of the tissue to be cut, the tissue cutting and suturing can be completed at one time after the firing, and the use is flexible and convenient; the rod-shaped structures of the main rod 1 and the clamping rod 3 are utilized to meet the use requirement of small internal space of the minimally invasive surgery; the butterfly nut 9 can be used for locking after clamping tissues, and simultaneously, the clamping locking is rapidly released after releasing under the action of the rebound compression spring 8.
Further, the cutting nail pushing head is integrally formed by the nail pushing support plate 27, the bottom connecting plate 52 and the cutting blade 25; the nail pushing support plate 27 is parallel to the cutting blade 25, and the bottom connecting plate 52 is connected and arranged between the nail pushing support plate 27 and the lower side edge of the cutting blade 25; the front side edge of the cutting blade 25 is provided with an arc-shaped concave arc-shaped blade 26; a blade groove 29 is arranged on the inner side surface of the clamping rod 3, and the upper side edge of the cutting blade 25 is embedded into the blade groove 29 after being pressed by the clamping rod 3; when two cutting pushpin heads are arranged side by side, the two cutting blades 25 are adjacent to each other and located between the two pushpin support plates 27. The stable connection of the nail pushing support plate 27 and the cutting blade 25 can be realized by the bottom connecting plate 52; the arc-shaped concave arc-shaped cutting edge 26 can be used for facilitating rapid cutting of clamped tissues, and the blade groove 29 can be used for enhancing the stability of the cutting blade 25 during cutting.
Further, a support slope face 28 is provided at the front side edge of the staple supporting plate 27. The support ramp surfaces 28 are configured to progressively support and press the titanium staples within the staple cartridge 53 upwardly during firing.
Furthermore, the length edges of the two sides of the side edge of the tangent plane 2 are provided with a strip-shaped pressing groove, and the clamping rod 3 is provided with an anti-skid rubber strip 24 at the position opposite to the strip-shaped pressing groove. The cooperation of the strip-shaped pressing groove and the anti-slip rubber strip 24 can play an anti-slip role in tissue clamping, so that the tissue cutting and positioning preparation is realized.
Further, the two firing mechanisms respectively comprise a firing rod 40, a guide lock rod 45, a guide slider 42 and a firing pressure spring 43; two guide sliding holes 41 are axially arranged in the main rod 1; the two guide sliding blocks 42 are respectively arranged in the two guide sliding holes 41 in a sliding manner; the rear ends of the two firing rods 40 penetrate into the two guide sliding holes 41 from the nail bin groove 32 and are respectively fixed on the front side surfaces of the two guide sliding blocks 42; the front ends of the two firing rods 40 are respectively fixed on the two cutting nail pushing heads; two lock rod holes 44 are axially arranged at the rear end of the main rod 1, and the lock rod holes 44 extend from the guide sliding hole 41 to the tail end rod 4; the two guide lock rods 45 are respectively inserted into the two lock rod holes 44, and the front end parts of the two guide lock rods 45 are respectively fixed on the rear side surfaces of the two guide slide blocks 42; the two firing compression springs 43 are respectively sleeved on the two guide lock rods 45, and the firing compression springs 43 are elastically supported between the rear side surface of the guide slider 42 and the rear end surface of the guide sliding hole 41; two strip-shaped guide holes 11 respectively communicated with the two lock rod holes 44 are formed in the side edge of the tail end rod 4; two guiding lock rods 45 are respectively provided with a side convex strip 47 extending out of the strip-shaped guiding holes 11, and the extending ends of the side convex strips 47 are provided with toggle lugs 13. The rotation limiting of the guide lock rod 45 can be realized by the matching of the side convex strips 47 and the strip-shaped guide holes 11, and the guide lock rod 45 can be shifted to move backwards and return by shifting the convex blocks 13; the use of the guide sled 42 ensures that the firing bar 40 has greater stability during forward firing movement.
Further, the two locking mechanisms respectively comprise a locking rod 22, a locking pressure spring 20, a pry bar 19 and a protective sleeve head 18; two side holes are formed in the tail end rod 4, the two locking rods 22 are respectively inserted into the two side holes, and an extrusion slope surface 48 is formed at the insertion end part of each locking rod 22; a locking hole 46 is arranged on the rear end rod wall of each of the two guide locking rods 45; two hinged mounting seats 21 are arranged on the tail end rod 4; the middle parts of the two pry bars 19 are respectively arranged on the hinged mounting seats 21 in a swing-type hinged manner, and waist-shaped holes are respectively arranged at the front end parts of the two pry bars 19; the two protective sleeve heads 18 are respectively sleeved on the rear ends of the two pry bars 19; the outer end parts of the two locking rods 22 are respectively hinged on kidney-shaped holes of the two pry bars 19 through two pin shafts; the two locking rods 22 are respectively provided with a limiting convex ring 12 for limiting the depth of the insertion side hole; the locking compression spring 20 is elastically supported between the rear end of the pry bar 19 and the tail end lever 4 for urging the end of the locking lever 22 to be inserted into the locking hole 46. The rear end of the pry bar 19 can be supported by the protective sleeve head 18, so that the pry bar 19 is prevented from being pressed by mistake in use; after the guide lock rod 45 returns to the original position, the end part of the locking rod 22 can be quickly pushed to be inserted into the locking hole 46 by using the locking pressure spring 20 to realize locking; the limit convex ring 12 can limit the insertion setting of the locking rod 22, and prevent the locking rod 22 from being inserted too deeply to block the guide locking rod 45 from moving backwards and returning; the pressing slope 48 can be used for being in contact with and pressed against the rear end part of the guide lock rod 45 when the guide lock rod 45 moves backwards and returns to the original position, so that the locking rod 22 is pressed reversely to move outwards, and the end part of the locking rod 22 is rapidly inserted into the locking hole 46 to realize locking under the action of the locking pressure spring 20 after the guide lock rod 45 moves backwards and returns to the original position.
Further, the transmission structure comprises a transmission rod 14, a sliding seat 17 and an inclined push rod 16; a strip-shaped notch 35 is formed in the main rod 1 and is positioned at the rear side edge of the tangent plane 2; a hinged convex strip 33 extends backwards from the rear end of the clamping rod 3, the rear side surface of the hinged convex strip 33 is provided with an inclined slope surface, and a T-shaped sliding groove 34 is arranged on the inclined slope surface; the hinge convex strip 33 is embedded into the strip-shaped notch 35 and is installed on the strip-shaped notch 35 in a swing hinge mode through the hinge short shaft 23 arranged on the side edge; the transmission rod 14 penetrates through the main rod 1 and the tail end rod 4 from the strip-shaped notch 35; a push-pull convex strip 38 extending into the T-shaped sliding groove 34 is obliquely arranged at the front end of the transmission rod 14, and a short cylinder 39 which is slidably embedded into the T-shaped sliding groove 34 is arranged at the extending end part of the push-pull convex strip 38; a push-pull T-shaped groove 50 is axially arranged on the handle fixing rod 5, and a T-shaped sliding block 51 is slidably arranged in the push-pull T-shaped groove 50; the sliding seat 17 is fixedly arranged on the T-shaped sliding block 51; a push-pull inclined rod 15 is arranged at the rear end of the transmission rod 14 in an extending manner, and the rear end part of the push-pull inclined rod 15 is fixedly arranged on a sliding seat 17; one end of the inclined push rod 16 is hinged on the sliding seat 17 in a swinging way, and the other end of the inclined push rod 16 is hinged on the rear end of the pressing rod 6 in a swinging way. The rear end of the transmission rod 14 can be stably pushed and pulled through the push-pull inclined rod 15 by utilizing the sliding seat 17; the T-shaped sliding groove 34 is provided on the inclined slope surface, so that when the push-pull convex strip 38 moves back and forth, the hinge convex strip 33 is pressed, and the clamping rod 3 is pressed and tilted.
Furthermore, guide strip-shaped grooves 37 are formed in the side groove edges of the length of the two sides of the strip-shaped notch 35, and the guide strip-shaped grooves 37 are parallel to the axial direction of the transmission rod 14; two protruding shafts 36 are arranged at the front end side of the transmission rod 14, and the ends of the two protruding shafts 36 are respectively and slidably inserted into the guide strip-shaped grooves 37 at the two sides. The support of the front end of the transmission rod 14 can be achieved by the cooperation of the guide strip 37 and the protruding shaft 36, preventing the front end of the transmission rod 14 from being bent when the hinge protrusion 33 is pulled or pushed.
Further, rubber pressing strips 31 for pressing the magazine 53 are provided on both side length side slot edges of the magazine slot 32. The nail bin 53 is pressed by the rubber pressing strip 31, so that the nail bin 53 is stable in the nail bin groove 32.
Further, the front end faces of the main rod 1 and the clamping rod 3 are both provided with arc-shaped slope surfaces 30. The front end of the cutting and suturing device can be conveniently inserted into the minimally invasive hole by utilizing the arc-shaped slope 30.
When the cutting stitching instrument suitable for minimally invasive surgery, which is creatively disclosed by the invention, is used, the nail bin 53 is pressed into the nail bin groove 32, the used nail bin 53 can be the existing nail bin, the rubber extrusion strips 31 at two sides are used for clamping and fixing the nail bin 53, the cutting blades 25 of two cutting pushing head are positioned in the cutting knife groove at the middle part of the nail bin 53, and the pushing nail supporting plates 27 of the two cutting pushing head are respectively embedded into the pushing nail grooves at two sides of the nail bin 53; when the minimally invasive hole is inserted to cut tissues, the clamping rod 3 is pressed on the tangent plane 2 by pressing the pressing rod 6, so that the minimally invasive hole is convenient to insert; when clamping a tissue to be cut, firstly loosening the pressing rod 6, utilizing the rebound pressure spring 8 to flick the pressing rod 6, pulling the hinged convex strip 33 by the transmission structure, so that the clamping rod 3 is tilted, thereby opening a clamping included angle, facilitating clamping the tissue to be cut, then pressing the pressing rod 6 to push the hinged convex strip 33 by the transmission structure, thereby pressing the clamping rod 3 on the section 2, and locking the clamping of the pressing rod 6 by utilizing the butterfly nut 9; then according to the side where the clamped tissue is located, selecting which side of the firing mechanism is started, for example, the tissue to be cut is on the right side, starting the right firing mechanism, pulling down the right protective sleeve head 18, pressing the pry bar 19 to pull out the locking hole 46 from the locking bar 22, so that the right guide slider 42, the right firing bar 40 and the right cutting and pushing head are pushed by the firing pressure spring 43 to move forward quickly, the clamped tissue is cut and separated by the cutting blade 25, the right titanium nail in the nail bin 53 is pushed by the nail pushing support plate 27 and the support slope surface 28, and is extruded with the upper clamping bar 3 to fasten the titanium nail, and unilateral linear suture is performed on the tissue cutting part; after suturing, the pressing rod 6 is loosened, so that the clamped tissue is loosened by the clamping rod 3, and the main rod 1 is pulled out from the minimally invasive hole by pressing the pressing rod 6.
As mentioned above, although the invention has been shown and described with reference to certain preferred embodiments, it should not be construed as being limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A cutting stitching instrument suitable for minimally invasive surgery is characterized in that: comprises a main rod (1), a tail end rod (4), a handle fixing rod (5), a pressing rod (6) and a clamping rod (3);
the side edge of the front end side of the main rod (1) is provided with a tangent plane (2), and the tangent plane (2) is parallel to the axial direction of the main rod (1); the clamping rod (3) is hinged to the tangent plane (2) in a swinging mode and used for pressing the tangent plane (2) after the clamping rod (3) swings; a nail bin groove (32) for placing a nail bin (53) is axially arranged on the section (2) along the main rod (1); two cutting and pushing nail heads are arranged in the nail bin groove (32) side by side; two firing mechanisms for cutting the nail pushing head are arranged in the main rod (1); the tail end rod (4) is fixedly arranged at the tail end of the main rod (1), and two locking mechanisms for locking the two firing mechanisms are arranged on the tail end rod (4) respectively;
the handle fixing rod (5) is fixedly arranged on the rear end surface of the tail end rod (4), and the handle fixing rod (5) is axially parallel to the main rod (1); a rear end hinge notch (49) is arranged on the rear end surface of the tail end rod (4), and the pressing rod (6) is arranged on the rear end hinge notch (49) in a swing hinge mode; the tail end of the pressing rod (6) is provided with a guide rod (7) in a swing hinge mode; the tail end of the handle fixing rod (5) is provided with a guide rod hole; the end part of the guide rod (7) penetrates through the guide rod hole, an external thread (10) is arranged on the penetrating end part, and a butterfly nut (9) is screwed on the external thread (10); a rebound compression spring (8) is sleeved on the guide rod (7), and the rebound compression spring (8) is elastically supported between the handle fixing rod (5) and the pressing rod (6); the pressing rod (6) is driven to swing through the transmission structure after swinging.
2. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: the cutting nail pushing head is integrally formed by a nail pushing support plate (27), a bottom connecting plate (52) and a cutting blade (25); the nail pushing support plate (27) is parallel to the cutting blade (25), and the bottom connecting plate (52) is connected and arranged between the nail pushing support plate (27) and the lower side edge of the cutting blade (25); the front side edge of the cutting blade (25) is provided with an arc-shaped concave arc-shaped blade (26); a blade groove (29) is arranged on the inner side surface of the clamping rod (3), and the upper side edge of the cutting blade (25) is embedded into the blade groove (29) after being pressed by the clamping rod (3); when the two cutting ejector pin heads are arranged side by side, the two cutting blades (25) are close to each other and are positioned between the two ejector pin supporting plates (27).
3. The cutting stapler suitable for minimally invasive surgery of claim 2, wherein: a support slope surface (28) is arranged at the front side edge of the nail pushing support plate (27).
4. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: the length edges of two sides of the side edge of the tangent plane (2) are respectively provided with a strip-shaped pressing groove, and the clamping rod (3) is provided with an anti-skid rubber strip (24) at the position opposite to the strip-shaped pressing groove.
5. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: the two firing mechanisms respectively comprise a firing rod (40), a guide lock rod (45), a guide slider (42) and a firing pressure spring (43); two guide sliding holes (41) are axially arranged in the main rod (1); the two guide sliding blocks (42) are respectively arranged in the two guide sliding holes (41) in a sliding manner; the rear ends of the two firing rods (40) penetrate through the nail bin grooves (32) and extend into the two guide sliding holes (41) and are respectively fixed on the front side surfaces of the two guide sliding blocks (42); the front ends of the two firing rods (40) are respectively fixed on the two cutting nail pushing heads; two locking rod holes (44) are axially formed in the rear end of the main rod (1), and the locking rod holes (44) extend from the guide sliding hole (41) to the tail end rod (4); the two guide lock rods (45) are respectively inserted into the two lock rod holes (44), and the front end parts of the two guide lock rods (45) are respectively fixed on the rear side surfaces of the two guide sliding blocks (42); the two triggering compression springs (43) are respectively sleeved on the two guide lock rods (45), and the triggering compression springs (43) are elastically supported between the rear side surface of the guide sliding block (42) and the rear end surface of the guide sliding hole (41); two strip-shaped guide holes (11) which are respectively communicated with the two lock rod holes (44) are formed in the side edge of the tail end rod (4); two guiding lock rods (45) are respectively provided with a side convex strip (47) extending out of the strip-shaped guiding hole (11), and the extending ends of the side convex strips (47) are provided with shifting convex blocks (13).
6. The cutting stapler suitable for minimally invasive surgery of claim 5, wherein: the two locking mechanisms respectively comprise a locking rod (22), a locking pressure spring (20), a pry bar (19) and a protective sleeve head (18); two side holes are arranged on the tail end rod (4), two locking rods (22) are respectively inserted into the two side holes, and an extrusion slope surface (48) is arranged at the insertion end part of each locking rod (22); the rear end rod walls of the two guide lock rods (45) are respectively provided with a locking hole (46); two hinged mounting seats (21) are arranged on the tail end rod (4); the middle parts of the two pry bars (19) are respectively arranged on the hinged mounting seats (21) in a swing-type hinged manner, and waist-shaped holes are formed in the front end parts of the two pry bars (19); the two protective sleeve heads (18) are respectively sleeved on the rear ends of the two pry bars (19); the outer end parts of the two locking rods (22) are respectively hinged on kidney-shaped holes of the two prying rods (19) through two pin shafts; limiting convex rings (12) for limiting the depth of the insertion side holes are arranged on the two locking rods (22); the locking compression spring (20) is elastically supported between the rear end of the pry bar (19) and the tail end bar (4) for urging the end of the locking lever (22) to be inserted into the locking hole (46).
7. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: the transmission structure comprises a transmission rod (14), a sliding seat (17) and an inclined push rod (16); a strip-shaped notch (35) is arranged on the main rod (1) and positioned at the rear side edge of the tangent plane (2); a hinged convex strip (33) extends backwards from the rear end of the clamping rod (3), the rear side surface of the hinged convex strip (33) is provided with an inclined slope surface, and a T-shaped sliding groove (34) is arranged on the inclined slope surface; the hinge convex strip (33) is embedded into the strip-shaped notch (35) and is installed on the strip-shaped notch (35) in a swing hinge mode through a hinge short shaft (23) arranged on the side edge; the transmission rod (14) penetrates through the main rod (1) and the tail end rod (4) from the strip-shaped notch (35); the front end of the transmission rod (14) is obliquely provided with a push-pull convex strip (38) extending into the T-shaped sliding groove (34), and the extending end part of the push-pull convex strip (38) is provided with a short cylinder (39) which is embedded into the T-shaped sliding groove (34) in a sliding way; a push-pull T-shaped groove (50) is axially arranged on the handle fixing rod (5), and a T-shaped sliding block (51) is slidably arranged in the push-pull T-shaped groove (50); the sliding seat (17) is fixedly arranged on the T-shaped sliding block (51); a push-pull diagonal rod (15) is arranged at the rear end of the transmission rod (14) in an extending manner, and the rear end part of the push-pull diagonal rod (15) is fixedly arranged on the sliding seat (17); one end of the inclined push rod (16) is hinged on the sliding seat (17) in a swinging way, and the other end of the inclined push rod (16) is hinged on the rear end of the pressing rod (6) in a swinging way.
8. The cutting stapler suitable for minimally invasive surgery of claim 7, wherein: the length side groove edges at two sides of the strip-shaped notch (35) are respectively provided with a guide strip-shaped groove (37), and the guide strip-shaped grooves (37) are parallel to the axial direction of the transmission rod (14); two protruding shafts (36) are arranged on the side edges of the front end part of the transmission rod (14), and the end parts of the two protruding shafts (36) are respectively embedded into the guide strip-shaped grooves (37) on the two sides in a sliding mode.
9. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: rubber extrusion strips (31) for extruding the nail bin (53) are arranged on the side edges of the length side grooves on the two sides of the nail bin groove (32).
10. The cutting stapler suitable for minimally invasive surgery of claim 1, wherein: the front end surfaces of the main rod (1) and the clamping rods (3) are both provided with arc-shaped slope surfaces (30).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069539.1A CN110664449B (en) | 2019-11-05 | 2019-11-05 | Cutting stitching instrument suitable for minimally invasive surgery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911069539.1A CN110664449B (en) | 2019-11-05 | 2019-11-05 | Cutting stitching instrument suitable for minimally invasive surgery |
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| CN110664449A true CN110664449A (en) | 2020-01-10 |
| CN110664449B CN110664449B (en) | 2023-08-11 |
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| CN201911069539.1A Active CN110664449B (en) | 2019-11-05 | 2019-11-05 | Cutting stitching instrument suitable for minimally invasive surgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113133794A (en) * | 2021-05-13 | 2021-07-20 | 苏州优脉瑞医疗科技有限公司 | Disposable linear anastomat for intestinal tract tail end |
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|---|---|
| CN110664449B (en) | 2023-08-11 |
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