CN114305559B - Closer provided with separated push-type knife assembly - Google Patents
Closer provided with separated push-type knife assembly Download PDFInfo
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- CN114305559B CN114305559B CN202210165546.7A CN202210165546A CN114305559B CN 114305559 B CN114305559 B CN 114305559B CN 202210165546 A CN202210165546 A CN 202210165546A CN 114305559 B CN114305559 B CN 114305559B
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Abstract
The invention relates to a closer provided with a separated push-type knife assembly, which comprises a first nail bin and a second nail bin, wherein a first closing area is arranged on the first nail bin, a second closing area is arranged on the second nail bin, the first closing area and the second closing area are used for pressurizing and stitching a cavity channel and enabling the cavity channel to form a channel, and the closer also comprises a push-type knife assembly, wherein the push-type knife assembly can sequentially drive the first closing area and the second closing area to stitch the cavity channel. In the scheme of this application, use this closer to sew up the back, the required chamber way of sewing up can be sewed up for use the flexible baffle to sew up the in-process to the chamber way in the cooperation, the chamber way is both ends after the platykurtic also can sew up, thereby improved the effect of sewing up the chamber way that needs to form the passageway, increased along the seam length of chamber way wall girth direction, be convenient for the healing of the chamber way wound of cutting when being convenient for take out the tissue of cutting from the chamber way that forms the passageway.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a closer provided with a separated push knife assembly.
Background
The closer is used in medicine to replace manual suturing equipment, and the main working principle is to separate or anastomose tissues by using titanium nails, which is similar to a stapler; according to the application range, the surgical incision device can be mainly divided into a skin closer, a circular closer for alimentary canal (esophagus, stomach, etc.), a rectum closer, a circular hemorrhoid closer, a circumcision closer, a vascular closer, a hernia closer, a lung cutting suture device, etc.
While current occluders have good results in cutting tissue and suturing the incision, in actual use the inventors have found that current occluders have shortcomings, particularly in:
when the suture is performed on the cavity and the sutured cavity is formed into a channel, a baffle is usually placed at a position in the cavity, which is matched with the cavity required to form the channel, and the baffle is matched with a nail bin of a closer to squeeze and suture the cavity.
Therefore, in view of the above, there is a need to design a closure that improves the suturing effect of the lumen that is to be channeled.
Disclosure of Invention
The invention aims at: aiming at the defects of the existing closer in the operation of suturing and cutting the suture for the cavity and forming the channel by the sutured cavity, the closer provided with the separated push-type knife assembly for improving the suturing effect of the cavity needing to form the channel is provided.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a closer that is provided with disconnect-type push broach subassembly, includes first nail storehouse and second nail storehouse, be provided with first closure district on the first nail storehouse, be provided with the second closure district on the second nail storehouse, first closure district with the second closure district is used for carrying out the pressurization joint to the chamber way and makes the chamber way form the passageway, still includes the push broach subassembly, the push broach subassembly can drive in proper order first closure district with the second closure district is sewed up the chamber way.
As a preferential technical scheme of the application, the push broach assembly comprises a first push broach and a second push broach, wherein the first push broach is used for driving the first closing area, the second push broach is used for driving the second closing area, and the first push broach and the second push broach can independently move.
As the preferential technical scheme of this application, still be provided with the third closure district on the first nail storehouse, still be provided with the fourth closure district on the second nail storehouse, the third closure district with the fourth closure district cooperatees and seals the sewing up the chamber way.
As a preferred technical scheme of the application, the push broach assembly further comprises a blade, wherein the blade is connected with the first push broach or the second push broach, and the blade is used for cutting a cavity.
As the preferential technical scheme of this application, be close to on the first nail storehouse the part of first closure district with be close to on the second nail storehouse the part of second closure district all is provided with and is used for the blade passes through first passageway.
As a preferential technical scheme of the application, the knife edge shape of the knife blade for contacting with the cavity is V-shaped.
As the preferential technical scheme of this application, the blade with first push broach or the second push broach rotates to be connected, just be provided with the control lever on the blade, the control lever is used for the drive the blade rotates, and the blade after the rotation can separate with the tissue when carrying out the suture to the tissue.
As a preferential technical scheme of the application, be provided with a plurality of first ejector blades on the first ejector blade, first ejector blade has compression function, and is uncompressed first ejector blade is used for promoting and stitching the staple in the first closure zone, the first ejector blade after the compression is used for making the staple in the first closure zone keep the original state, and/or be provided with a plurality of second ejector blades on the second ejector blade, the second ejector blade has compression function, and is uncompressed the second ejector blade is used for promoting and stitching the staple in the second closure zone, the second ejector blade after the compression is used for making the staple in the second closure zone keep the original state.
As the preferential technical scheme of this application, be provided with the first elastic pad that has elastic deformation ability on the first closure district, first elastic pad is used for when first closure district is sewed up the chamber way make first elastic pad and chamber way laminating mutually, and/or, be provided with the second elastic pad that has elastic deformation ability on the second closure district, the second elastic pad is used for when second closure district is sewed up the chamber way makes second elastic pad and chamber way laminating mutually.
As the preferential technical scheme of this application, be provided with two on the first closure district first elastic pad, first elastic pad is used for making first elastic pad and the radial edge of chamber way contact when first closure district is sewed up the chamber way, and/or, be provided with two on the second closure district second elastic pad, the second elastic pad is used for making when second closure district is sewed up the chamber way second elastic pad and the radial edge of chamber way contact.
Compared with the prior art, the invention has the beneficial effects that:
in the scheme of the application, the closer provided with the separated push broach assembly comprises a first nail bin and a second nail bin, a first closing area is arranged on the first nail bin, a second closing area is arranged on the second nail bin, the cavity is clamped by the first closing area and the second closing area in the process of closing the cavity, and a baffle plate arranged on an area corresponding to the first closing area and the second closing area in the cavity is matched, so that one part of the cavity which is required to form a channel for cutting and suturing is positioned between the first closing area and the baffle plate, the other part of the cavity is positioned between the second closing area and the baffle plate, the baffle plate is adopted to stretch the cavity along the diameter direction, the push broach assembly on the closer can sequentially drive the first closing area and the second closing area to suture the cavity, the first closing area is driven by the push knife component to stitch the cavity, a part of the cavity is stitched, the baffle is shortened and the distance between the baffle and the first closing area and the second closing area is increased, a part of the cavity which is not stitched and a part of the cavity which is stitched exist between the second closing area and the baffle, the distance between the baffle and the first closing area and the second closing area is shortened, the cavity which is not stitched is stitched, the cavity which is not stitched and a part of the cavity which is stitched exist on the second closing area, after the cavity is stitched by using the closer, the cavity which is required to be stitched is stitched, and in the process of stitching the cavity by using the baffle, both ends of the cavity which are flat can be stitched, thereby improving the stitching effect of the cavity which is required to form a channel, the suture length along the perimeter of the luminal wall is increased, facilitating healing of the cut luminal wound while facilitating removal of the cut tissue from the channeled lumen;
the knife edge on the blade, which is used for being in contact with the cavity, is V-shaped, the other side of the V-shaped blade is a second side, when the cavity is cut, the cavity is in contact with the first side and the second side, the first side and the second side are inclined and pass through tissues when the cavity is cut, when the first side is in contact with the cavity to be cut, the cavity has a tendency of shifting to a position between the first side and the second side, when the second side is in contact with the cavity to be cut, the cavity also has a tendency of shifting to a position between the first side and the second side, so that the cavity is prevented from being bent and inclined to one side when the tissue is cut, if the cavity is bent and inclined to one side, the thickness of the cavity cut by the blade is possibly increased, and then the resistance born by the blade when the cavity is cut is increased, the knife edge on the blade, which is used for being in contact with the cavity, is V-shaped, so that the cutting of the cavity is facilitated;
the knife blade is rotationally connected with the first push knife or the second push knife, a control rod is arranged on the knife blade and used for driving the knife blade to rotate, the knife blade after rotation can be separated from tissue when the knife blade is used for stitching tissue, when the cavity tissue is cut, the push knife assembly is required to be retracted to an initial position, the closer is taken out from the cavity tissue, the knife blade after rotation is separated from the cavity tissue contacted during cutting, the two cavity tissue incisions after cutting are still possibly in mutual contact when the closer is not taken out, if the knife blade is kept in the original state (namely, the incision position of the cavity tissue is positioned and is positioned in the cavity tissue contact), the knife blade can be contacted with the cavity tissue in the retraction process and exert pressure on the incision surface of the cavity tissue, the resistance of the knife blade retraction can be increased, the friction between the incision of the cavity tissue and the knife blade is large, the situation that the knife blade is unfavorable for cutting the cavity tissue secondarily can occur in the process of the knife blade, the cavity tissue of a patient is damaged, and the cavity tissue of the patient is not damaged when the knife blade is thinner, and the knife blade is not retracted from the initial position of the cavity tissue is not favorable for stitching tissue of the patient after the cavity tissue is retracted from the initial position.
Description of the drawings:
FIG. 1 is a schematic view of one embodiment of a closure provided with a split push knife assembly;
FIG. 2 is an enlarged schematic view of the closure of portion A of FIG. 1 with a separate push knife assembly;
FIG. 3 is a schematic view of a portion of one embodiment of a closure provided with a split push knife assembly in accordance with the present application;
FIG. 4 is an enlarged schematic view of the closure of portion B of FIG. 3 with a separate push knife assembly;
FIG. 5 is a schematic illustration of a first cartridge in one embodiment of a closure provided with a split push knife assembly;
FIG. 6 is a schematic illustration of a second cartridge in one embodiment of a closure provided with a split push knife assembly;
the figures indicate: 1-first nail bin, 2-second nail bin, 3-first closing area, 4-second closing area, 5-push knife component, 6-first push knife, 7-second push knife, 8-third closing area, 9-fourth closing area, 10-blade, 11-first channel, 12-control rod, 13-first push block, 14-second push block, 15-first elastic pad and 16-second elastic pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of some embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, under the condition of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Embodiment one: as can be seen in figures 1-6,
the embodiment provides a closer with separated push broach subassembly 5, includes first nail storehouse 1 and second nail storehouse 2, be provided with first closure district 3 on the first nail storehouse 1, be provided with second closure district 4 on the second nail storehouse 2, first closure district 3 with second closure district 4 is used for carrying out the pressurization seam to the passageway and makes the passageway form, still includes push broach subassembly 5, push broach subassembly 5 can drive in proper order first closure district 3 with second closure district 4 sews up the passageway.
The closer provided with the separated push knife assembly 5 comprises a first nail bin 1 and a second nail bin 2, a first closing area 3 is arranged on the first nail bin 1, a second closing area 4 is arranged on the second nail bin 2, the cavity is clamped by the first closing area 3 and the second closing area 4 in the process of closing the cavity, and a baffle plate arranged in an area corresponding to the first closing area 3 and the second closing area 4 in the cavity is matched, so that one part of the cavity which is required to form a channel for cutting and suturing is positioned between the first closing area 3 and the baffle plate, the other part of the cavity is positioned between the second closing area 4 and the baffle plate, the cavity is stretched along the diameter direction by adopting the baffle plate with a telescopic function, the push knife assembly 5 on the closer can sequentially drive the first closing area 3 and the second closing area 4 to suture the cavity, by controlling the push knife assembly 5 to drive the first closing area 3 to stitch the cavity, a part of the cavity is stitched, by shortening the baffle plate and increasing the distance between the baffle plate and the first closing area 3 and the second closing area 4, a part of the cavity which is not stitched and a part of the cavity which is stitched exist between the second closing area 4 and the baffle plate, the distance between the baffle plate and the first closing area 3 and the second closing area 4 is shortened, the cavity which is not stitched is stitched, because the cavity which is not stitched and the cavity which is partially stitched exist on the second closing area 4, the cavity which is required to be stitched is stitched after the stitching by using the closer, and both ends of the cavity which are flat can be stitched during the stitching of the cavity by using the baffle plate, thereby improving the stitching effect of the cavity which is required to form a channel, the suture length along the circumference of the luminal wall is increased to facilitate healing of the cut luminal wound while facilitating removal of the cut tissue from the channeled lumen.
As a preferred embodiment, further on the above manner, the push broach assembly 5 includes a first push broach 6 and a second push broach 7, the first push broach 6 is used for driving the first closing region 3, the second push broach 7 is used for driving the second closing region 4, and the first push broach 6 and the second push broach 7 can move independently.
The push broach assembly 5 comprises a first push broach 6 and a second push broach 7, the first push broach 6 drives the first closing region 3, the second push broach 7 drives the second closing region 4, the first push broach 6 and the second push broach 7 can independently move, when the first closing region 3 and the second closing region 4 extrude the cavity, the suturing of the cavity by the first closing region 3 and the suturing of the cavity by the second closing region 4 can be carried out at different times, and the suturing effect when the closing device is applicable to suturing is improved.
As a preferred embodiment, based on the above manner, further, a third closing area 8 is further provided on the first staple cartridge 1, a fourth closing area 9 is further provided on the second staple cartridge 2, and the third closing area 8 and the fourth closing area 9 cooperate to perform closed suturing on the cavity.
The first nail bin 1 is further provided with a third closing area 8, the second nail bin 2 is further provided with a fourth closing area 9, the third closing area 8 and the fourth closing area 9 are matched to seal and stitch the cavity, so that the closure seals and sews the separated cavity in the cavity cutting and sewing process, blood loss of the separated cavity tissue is reduced when the separated cavity tissue is taken out from the cavity forming the channel, and difficulty in taking out the separated cavity tissue from the body is reduced.
As a preferred embodiment, further, the push broach assembly 5 further includes a blade 10, where the blade 10 is connected to the first push broach 6 or the second push broach 7, and the blade 10 is used for cutting the cavity.
The push knife assembly 5 further comprises a blade 10, the blade 10 is connected with the first push knife 6 or the second push knife 7, and the blade 10 is used for cutting the cavity, so that the first push knife 6 or the second push knife 7 can drive the blade 10 to move and cut the cavity in the moving process, and the cutting separation of the sutured cavity tissues is realized.
As a preferred embodiment, further, on the basis of the above mode, a portion of the first staple cartridge 1 adjacent to the first closing zone 3 and a portion of the second staple cartridge 2 adjacent to the second closing zone 4 are both provided with a first channel 11 for passing the blade 10.
The part of the first nail bin 1, which is close to the first closing area 3, and the part of the second nail bin 2, which is close to the second closing area 4, are both provided with a first channel 11 for the blade 10 to pass through, so that the part of the blade 10 for cutting the cavity is close to the cavity forming the channel, the distance between the incision part of the cavity cutting and the suture part is reduced, and the blood loss between the suture part and the incision part on the cavity forming the channel is reduced, thereby being beneficial to the healing of the cavity.
In a preferred embodiment, in addition to the above embodiment, the blade 10 has a V-shaped edge for contacting with the cavity.
The knife edge shape of the blade 10 for contacting with the cavity is V-shaped, the V-shaped blade 10 is convenient to be a first side, the other side is a second side, when the cavity is cut, the cavity is contacted with the first side and the second side, and the first side and the second side are inclined to scratch through tissues when the cavity is cut, when the first side contacts the cavity to cut, the cavity has a tendency to shift to a position between the first side and the second side, when the second side contacts the cavity to cut, the cavity also has a tendency to shift to a position between the first side and the second side, the cavity is prevented from being inclined to one side in a bending way when the tissue is cut, if the cavity is inclined to one side in a bending way, the thickness of the cavity cut by the blade 10 can be increased, and then the resistance born by the blade 10 when the cavity is cut is increased, and the knife edge shape of the blade 10 for contacting with the cavity is V-shaped, thereby being beneficial to the cutting of the cavity by the blade 10.
In a preferred embodiment, in addition to the above manner, the blade 10 is rotatably connected to the first push broach 6 or the second push broach 7, and a control lever 12 is provided on the blade 10, where the control lever 12 is used to drive the blade 10 to rotate, and the rotated blade 10 can be separated from the tissue when the tissue is sutured.
The blade 10 is rotatably connected with the first push blade 6 or the second push blade 7, the blade 10 is provided with a control rod 12, the control rod 12 is used for driving the blade 10 to rotate and enabling the blade 10 after rotation to be separated from tissue when the tissue is sewn, when the tissue is cut, the push blade assembly 5 needs to be retracted to an initial position and the closer is taken out from the tissue, the blade 10 after rotation is separated from the tissue contacted during cutting, the two tissue incisions of the two separated channels still possibly contact each other when the closer is not taken out, if the blade 10 is kept in the original state (namely, the incision part of the tissue of the channel is positioned and is contacted with the tissue of the channel), the blade 10 can be contacted with the tissue of the channel in the retraction process and exert pressure on the incision surface of the tissue of the channel, the resistance of the blade 10 can be increased, the friction between the incision part of the tissue of the channel and the blade 10 is larger, the cutter is unfavorable for the blade 10 to be withdrawn from the tissue of the channel, if the blade 10 is thinner, the blade 10 can possibly appear in the retraction process of the blade 10 to separate from the tissue of the channel, the tissue of the patient is not damaged by the cutter 10 after the cutter is arranged in the initial position of the channel, and the tissue is not contacted with the tissue of the channel 10 of the channel is cut, and the tissue of the patient is not damaged after the tissue is cut from the channel is cut.
Embodiment two: as can be seen in figures 1-6,
the difference between this embodiment and the first embodiment is that: the first push knife 6 is provided with a plurality of first push blocks 13, the first push blocks 13 have a compression function, the first push blocks 13 which are not compressed are used for pushing out and stitching the staples in the first closing region 3, the compressed first push blocks 13 are used for keeping the staples in the first closing region 3 unchanged, and/or the second push knife 7 is provided with a plurality of second push blocks 14, the second push blocks 14 have a compression function, the second push blocks 14 which are not compressed are used for pushing out and stitching the staples in the second closing region 4, and the second push blocks 14 which are compressed are used for keeping the staples in the second closing region 4 unchanged.
The first push-out knife 6 is provided with a plurality of first push-out blocks 13, the first push-out blocks 13 have a compression function, the uncompressed first push-out blocks 13 are used for pushing out and suturing the staples in the first closing region 3, the compressed first push-out blocks 13 are used for keeping the staples in the first closing region 3 as they are (the first push-out blocks 13 do not push out the staples from the first closing region 3 in the pushing process), when the cavity is usually sutured and the channel is formed, the cut tissue needs to be taken out from the cavity forming the channel, and a certain retractility of the cavity is needed to enable the cavity to be dilated, and because most of the sutured tissue is a plurality of rows of staples when suturing, the retractility of the tissue is reduced, and by compressing part of the first push-out blocks 13 on the first push-out knife 6, part of the first push-out blocks 13 are in an uncompressed state, the number of rows of staples on the sutured cavity is reduced, and a certain retractility of the cut tissue is ensured when the cavity is in accordance with suturing standards, and the cut tissue is convenient to be taken out from the cavity; similarly, the effect of providing the second push blocks 14 on the second push blade 7 is the same as the effect of providing the first push blocks 13 on the first push blade 6.
As a preferred embodiment, in addition to the above manner, the first closing region 3 is further provided with a first elastic pad 15 having elastic deformation capability, the first elastic pad 15 is used for making the first elastic pad 15 fit with the cavity when the first closing region 3 performs the stitching of the cavity, and/or the second closing region 4 is provided with a second elastic pad 16 having elastic deformation capability, and the second elastic pad 16 is used for making the second elastic pad 16 fit with the cavity when the second closing region 4 performs the stitching of the cavity.
The first elastic pad 15 with elastic deformation capability is arranged on the first closing area 3, when the cavity is stitched, the first elastic pad 15 is attached to the cavity to be stitched, when the surface of the cavity to be stitched is uneven, the attaching degree of the first elastic pad 15 and the cavity to be stitched is improved by deforming the first elastic pad 15, so that the stitching nail can penetrate the cavity to be stitched conveniently, and the stitching effect is improved; similarly, the second elastic pad 16 with elastic deformation capability is arranged on the second closing region 4, when the cavity is stitched, the second elastic pad 16 is attached to the cavity to be stitched, when the stool surface of the cavity to be stitched is uneven, the second elastic pad 16 deforms, so that the attaching degree of the second elastic pad 16 and the cavity to be stitched is improved, and the stitching effect is improved.
As a preferred embodiment, on the basis of the above manner, two first elastic pads 15 are further disposed on the first closing region 3, the first elastic pads 15 are used for enabling the first elastic pads 15 to be in contact with the radial edges of the cavity when the first closing region 3 is used for stitching the cavity, and/or two second elastic pads 16 are disposed on the second closing region 4, and the second elastic pads 16 are used for enabling the second elastic pads 16 to be in contact with the radial edges of the cavity when the second closing region 4 is used for stitching the cavity.
Two first elastic pads 15 are arranged on the first closing area 3, and when the first closing area 3 is used for stitching the channel, the first elastic pads 15 are contacted with the radial edge of the channel, two second elastic pads 16 are arranged on the second closing area 4, and when the second closing area 4 is used for stitching the channel, the second elastic pads 16 are contacted with the radial edge of the channel (the radial edge of the channel, namely the width edge of the channel), as part of the channel is stitched firstly, and then the other part of the channel is stitched, when the other part of the channel is stitched, the radial edge of the channel is flat, anastomotic nails possibly exist at the radial edge of the channel, so that the anastomotic nails are pressed and deformed when the radial edge of the channel is pressed, or the pressing force of the first closing area 3 and the second closing area 4 on the channel is increased, and when the radial edge of the channel is pressed, the first elastic pads 15 and the second elastic pads 16 are arranged, so that the radial deformation effect of the first elastic pads 15 and the second elastic pads 16 is greatly improved when the radial edge of the channel is pressed and the first closing area 16 is pressed, and the radial edge of the channel is greatly deformed, and the radial edge of the channel is pressed and the second closing area 16 is greatly deformed when the first elastic pads are pressed and the first elastic pads are pressed.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present invention; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be included in the scope of the appended claims.
Claims (10)
1. A closure provided with a split push knife assembly, characterized in that: the device comprises a first nail bin and a second nail bin, wherein a first closing area is arranged on the first nail bin, a second closing area is arranged on the second nail bin, the first closing area and the second closing area are used for pressing and stitching the cavity and enabling the cavity to form a channel, and the device further comprises a push-type knife assembly, wherein the push-type knife assembly can sequentially drive the first closing area and the second closing area to stitch the cavity;
the cavity is clamped by the first closing area and the second closing area, and the baffles arranged on the areas corresponding to the first closing area and the second closing area in the cavity are matched, so that a part of the cavity which is required to form a channel for cutting and sewing is positioned between the first closing area and the baffles, and the other part of the cavity is positioned between the second closing area and the baffles, and the baffles are stretched along the diameter direction by adopting the baffles with telescopic functions;
the baffle plate stretches out and draws back by itself, and the baffle plate stretches out and draws back by itself and takes place after the first closure district is closed, before the second closure district is closed.
2. The closure of claim 1, wherein: the push broach assembly comprises a first push broach and a second push broach, the first push broach is used for driving the first closing area, the second push broach is used for driving the second closing area, and the first push broach and the second push broach can independently move.
3. The closure of claim 2, wherein: the first nail bin is also provided with a third closing area, the second nail bin is also provided with a fourth closing area, and the third closing area and the fourth closing area are matched to seal and stitch the cavity.
4. A closure as in claim 3, wherein: the push knife assembly further comprises a blade, wherein the blade is connected with the first push knife or the second push knife and is used for cutting a cavity.
5. The closure of claim 4, wherein: the first channel for the blade to pass through is arranged on the first nail bin and the second nail bin.
6. The closure of claim 4, wherein: the knife edge on the blade for contacting with the cavity is V-shaped.
7. The closure of claim 4, wherein: the blade is rotationally connected with the first push knife or the second push knife, a control rod is arranged on the blade and used for driving the blade to rotate, and the rotated blade can be separated from tissue when the tissue is sutured.
8. The closure of any one of claims 2-7, wherein: the first pushing knife is provided with a plurality of first pushing blocks, the first pushing blocks have a compression function, the first pushing blocks which are not compressed are used for pushing out and suturing the staples in the first closing area, the compressed first pushing blocks are used for keeping the staples in the first closing area unchanged, and/or the second pushing knife is provided with a plurality of second pushing blocks which have a compression function, the second pushing blocks which are not compressed are used for pushing out and suturing the staples in the second closing area, and the second pushing blocks which are compressed are used for keeping the staples in the second closing area unchanged.
9. The closure of claim 8, wherein: the first closing area is provided with a first elastic pad with elastic deformation capability, the first elastic pad is used for enabling the first elastic pad to be attached to the cavity when the first closing area is used for stitching the cavity, and/or the second closing area is provided with a second elastic pad with elastic deformation capability, and the second elastic pad is used for enabling the second elastic pad to be attached to the cavity when the second closing area is used for stitching the cavity.
10. The closure of claim 9, wherein: the first closing area is provided with two first elastic pads, the first elastic pads are used for enabling the first elastic pads to be in contact with the radial edges of the cavity when the first closing area is used for stitching the cavity, and/or the second closing area is provided with two second elastic pads, and the second elastic pads are used for enabling the second elastic pads to be in contact with the radial edges of the cavity when the second closing area is used for stitching the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165546.7A CN114305559B (en) | 2022-02-23 | 2022-02-23 | Closer provided with separated push-type knife assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210165546.7A CN114305559B (en) | 2022-02-23 | 2022-02-23 | Closer provided with separated push-type knife assembly |
Publications (2)
| Publication Number | Publication Date |
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| CN114305559A CN114305559A (en) | 2022-04-12 |
| CN114305559B true CN114305559B (en) | 2023-08-04 |
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| CN202210165546.7A Active CN114305559B (en) | 2022-02-23 | 2022-02-23 | Closer provided with separated push-type knife assembly |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN114305559A (en) | 2022-04-12 |
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