CN113081090A - Stitching instrument and application thereof - Google Patents

Abstract

The application provides a stitching instrument and application thereof, and relates to the technical field of medical instruments. The stitching instrument comprises a clamp body and a stitching instrument, wherein the stitching instrument comprises a nail bin for containing stitching nails, the clamp body comprises a first clamp rod and a second clamp rod, the first clamp rod and the second clamp rod are respectively provided with a handheld end and a clamping end which are opposite, the part of the first clamp rod, which is close to the clamping end, is hinged with the part of the second clamp rod, which is close to the clamping end, the clamping end of the first clamp rod is used as a lower stitching arm, the clamping end of the second clamp rod is used as an upper stitching arm, the nail bin is arranged between the upper stitching arm and the lower stitching arm and is connected with the hinged part, and a clamping space for clamping a piece to be stitched is formed between the nail bin and the lower stitching arm; the lower stapling arm is provided with a curved staple groove matched with a stapling staple, and one end of the upper stapling arm, which is far away from the hinged end, is provided with a staple pressing tongue protruding towards the staple bin. The suturing instrument can provide an efficient and safe suturing instrument for the clinic of plastic and cosmetic surgery.

Description

Stitching instrument and application thereof

Technical Field

The invention relates to the field of medical instruments, in particular to a stitching instrument and application thereof.

Background

The key technology of the conventional autologous costal cartilage augmentation nasal operation is that firstly, a nasal bridge or a nasal tip with a proper height is built for a cut cartilage sheet or cartilage strip according to the height of the nasal bridge or the nasal tip of a patient. For a long time, most surgeons align the cartilage pieces to be sutured and then use an injection needle or a tack to pierce the cartilage pieces to temporarily fix the cartilage pieces, or use assistant jaws to temporarily fix the cartilage pieces, and then the surgeons use absorbable suture lines to suture the cartilage pieces by one needle.

The process is time-consuming, needs a great deal of energy and time of doctors, has low efficiency and sometimes has unsatisfactory suture effect.

In view of this, the present application is specifically made.

Disclosure of Invention

The invention aims to provide a stitching instrument which can provide an efficient and safe stitching device for the clinic of plastic and cosmetic surgery.

The application can be realized as follows:

in a first aspect, the application provides a stapler, which comprises a forceps body and a stapler, wherein the stapler comprises a nail bin for containing a suturing nail, the forceps body comprises a first forceps rod and a second forceps rod, the first forceps rod and the second forceps rod are respectively provided with a handheld end and a clamping end which are opposite, the part of the first forceps rod, which is close to the clamping end, is hinged with the part of the second forceps rod, which is close to the clamping end, the clamping end of the first forceps rod is used as a lower stapling arm of the stapler, the clamping end of the second forceps rod is used as an upper stapling arm of the stapler, the nail bin is arranged between the upper stapling arm and the lower stapling arm, one end of the nail bin is connected with the hinged part of the first forceps rod and the second forceps rod, and a clamping space for clamping a piece to be sutured is formed between the nail bin and the lower stapling arm; the lower stapling arm is provided with a curved staple groove matched with a stapling staple, and one end of the upper stapling arm, which is far away from the hinged end, is provided with a staple pressing tongue protruding towards the staple cartridge so as to press the stapling staple out of the staple cartridge and match with the curved staple groove to sew and fix the piece to be sewn.

In an optional embodiment, the stapler further comprises a staple pushing assembly, the staple pushing assembly comprises a spring and a pushing piece, the pushing piece is slidably arranged in the nail bin, two ends of the spring are respectively connected to the pushing piece and the upper stapling arm, so that the upper stapling arm pushes the pushing piece through the spring to further push the staples to a position corresponding to the staple pressing tongue in the covering process.

In an alternative embodiment, the stapler further comprises a staple, and the staple is used for being disengaged from the staple box under the pressing action of the staple pressing tongue and matched with the curved staple groove to perform the suture fixation of the piece to be sutured.

In an alternative embodiment, the material of the suturing nail is a high molecular material which can be absorbed by human bodies.

In an alternative embodiment, the stapler material comprises stainless steel.

In an alternative embodiment, a staple cartridge comprises a base plate, a first closure plate, a second closure plate, and a third closure plate;

the first enclosing plate, the second enclosing plate, the third enclosing plate and the bottom plate are enclosed together to form a space for containing suturing nails and pushing pieces;

the opening that supplies to sew up the nail whereabouts is still seted up to the one end of being connected with the third bounding wall of bottom plate, and the curved nail groove corresponds with the open-ended position at the setting position of nailing lower arm to make to sew up the nail and will wait to sew up the piece and sew up fixedly through the pushing down effect extrusion nail storehouse of pressing the nail tongue and with the cooperation of curved nail groove in open-ended position.

In an alternative embodiment, the staple includes a fixed beam and two pins attached perpendicularly to both ends of the fixed beam, and the staple is received within the cartridge in a direction with the fixed beam up and the two pins down.

In an alternative embodiment, the bending groove comprises a first groove and a second groove for bending the two stitches respectively, the first groove has a first end and a second end which are opposite, the second groove has a third end and a fourth end which are opposite, the first end and the third end correspond to the initial falling position of the staple after the two stitches are pressed down, the second end is positioned on one side of the third end close to the hinge, and the fourth end is positioned on one side of the first end far from the hinge.

In an alternative embodiment the first recess is angled at 14-16 deg. to the projection of the opening in the lower stapling arm and the second recess is angled at 14-16 deg. to the projection of the opening in the lower stapling arm.

In an alternative embodiment, the width of the fixed beam is 0.25-0.35cm and the length of the pins is 0.35-0.45 cm.

In an alternative embodiment, the stapling tongue has a length of 0.45 to 0.55cm, a width of 0.45 to 0.55cm and a thickness of 0.08 to 0.12 cm.

In an alternative embodiment, the staple cartridge has a length of 2-3cm, the distance between the inner wall of the first shroud and the inner wall of the second shroud is 0.35-0.45cm, and the distance between the outer wall of the first shroud and the outer wall of the second shroud is 0.55-0.65 cm.

In an alternative embodiment, the width of the lower stapling arm is 0.55-0.65cm and the length of the lower stapling arm is 2-3 cm.

In an alternative embodiment, the length of the upper stapled arm is from 2.2 to 2.6cm and the width of the upper stapled arm is from 0.35 to 0.45 cm.

In an alternative embodiment, the suturing nail is composed of a nail rod and a nail cap which are connected with each other, and the nail cap is provided with an edge which is branched from the axis of the nail rod to the radial direction of the nail rod;

the nail bin comprises a bottom plate, a first enclosing plate, a second enclosing plate and a third enclosing plate, wherein the first enclosing plate, the third enclosing plate and the second enclosing plate are sequentially and vertically connected with three sequentially connected edges of the bottom plate;

the opening that supplies to sew up the nail whereabouts is seted up to the one end of being connected with the third bounding wall of bottom plate, and the curved nail groove corresponds with the open-ended position at the setting position of nailing lower arm to it will wait to sew up the piece and sew up fixedly to sew up nail storehouse and with the cooperation of curved nail groove through the pushing down effect extrusion nail storehouse of pressing the nail tongue at the open-ended position.

In an optional embodiment, the nail rod is provided with a fork path extending from the nail tip of the nail rod to the nail cap direction so as to divide one end of the nail rod far away from the nail cap into a first fork portion and a second fork portion, the curved nail groove comprises a splitting ridge, a first groove and a second groove, the extending direction of the splitting ridge is matched with the fork path direction of the nail rod, the first groove and the second groove are respectively arranged at two sides of the splitting ridge, and the extending direction of the first groove and the extending direction of the second groove are perpendicular to the extending direction of the splitting ridge, so that the splitting ridge is inserted into the fork path in the process of pressing down the suturing nail to assist the two fork portions of the nail rod to be bent outwards along the first groove and the second groove respectively after passing through the piece to be sutured so as to suture and fix the piece to be sutured.

In an alternative embodiment, the stapling tongue has a length of 0.45 to 0.55cm, a width of 0.15 to 0.25cm and a thickness of 0.08 to 0.12 cm.

In alternative embodiments, the staple cartridge has a width of 0.25-0.35cm and a height of 0.55-0.65 cm.

In an alternative embodiment, the nut has a length of 0.15 to 0.25cm, a width of 0.08 to 0.12cm and a thickness of 0.08 to 0.12 cm.

In an alternative embodiment, the pin has a diameter of 0.08-0.12cm and a length of 0.35-0.45 cm.

In an alternative embodiment, the terminal end of the split is 0.2-0.3cm from the tip of the nail.

In an alternative embodiment, the first groove and the second groove each have a length of 0.2-0.3cm, a width of 0.08-0.12cm, and a depth of 0.08-0.12 cm.

In an optional implementation mode, a buckle is further arranged on the nail pressing tongue, and a clamping groove matched with the buckle is formed in the third surrounding plate, so that the nail pressing tongue is clamped with the nail bin after the suturing nail is pressed out, and mutual separation does not occur.

In an alternative embodiment, the forceps body further includes a first forceps ear disposed at the handle end of the first forceps rod and a second forceps ear disposed at the handle end of the second forceps rod.

In an alternative embodiment, the first and second clamp bars are both straight bars, or the first and second clamp bars are both bent bars.

In a second aspect, the present application also provides the use of the above-described stapler, e.g. as a medical stapling instrument or as a cosmetic orthopaedic stapling instrument.

In an alternative embodiment, the suture device is used as a suture instrument in costal chondral augmentation rhinoplasty;

in an alternative embodiment, the stapler is used as a suturing apparatus for subcutaneous soft tissue suturing.

The beneficial effect of this application includes:

the application can be used as a suture instrument for costal cartilage hump nose operation or suture fixation of various subcutaneous soft tissues by combining a clamp body with a stapler. Form the centre gripping space that is used for the centre gripping to treat the piece of sewing up between nail storehouse and the lower arm of stitching and can bite and close the fixed organizational structure of closing up, through closing up first claw beam and second claw beam, can make the upper arm of stitching up and the lower arm of stitching up, the pressure nail tongue that is located the upper arm of stitching up will adorn the stitching nail extrusion in the nail storehouse, pierce through the fixed organizational structure of waiting to sew up and tightly stitch it together, the effect that combines curved nail groove can accomplish in the twinkling of an eye again and sew up fixedly, the operation speed is greatly accelerated and the operation efficiency is improved, the operation safety has also been guaranteed simultaneously, can effectively replace the operation that needs a stitch of doctor among the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the structure of a suture instrument provided in example 1;

FIG. 2 is a schematic view of the staple cartridge of FIG. 1;

FIG. 3 is a schematic view of the staple of FIG. 1;

FIG. 4 is a schematic structural view of the nail bending groove in FIG. 1;

FIG. 5 is a schematic view of the structure of the suture instrument provided in example 2;

FIG. 6 is a schematic structural view of the staple cartridge of FIG. 5;

FIG. 7 is a schematic view of the staple of FIG. 5;

fig. 8 is a structural view of the nail bending groove in fig. 5.

Icon: 11-a first jaw lever; 12-a second jaw lever; 13-a first jaw; 14-a second jaw; 2-nailing the upper arm; 21-pressing the nail tongue; 3-a nail bin; 31-a base plate; 311-an opening; 32-a first shroud; 321-a first section; 322-a second segment; 33-a second enclosing plate; 331-third section; 332-fourth stage; 34-a third surrounding plate; 4-stapling the lower arm; 5-bending a nail groove; 51-a first groove; 511-a first end; 512-second end; 52-a second groove; 53-split ridges; 521-a third end; 522-a fourth end; 61-a spring; 62-a pusher; 7-suturing nail; 71-a fixed cross beam; 72-stitch; 73-nail rod; 74-nail cap; 731-lane crossing; 732-a first bifurcation; 733 — second bifurcation.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Example 1

The present embodiment provides a suturing device, which is combined with fig. 1 to 4, and comprises a forceps body and a stapler.

The stapler comprises a cartridge 3 for accommodating staples 7.

The clamp body comprises a first clamp rod 11 and a second clamp rod 12, the first clamp rod 11 and the second clamp rod 12 are respectively provided with a relative handheld end and a clamping end, the part of the first clamp rod 11, which is close to the clamping end, is hinged with the part of the second clamp rod 12, which is close to the clamping end, the clamping end of the first clamp rod 11 is used as a lower nailing arm 4 of the stapler, and the clamping end of the second clamp rod 12 is used as an upper nailing arm 2 of the stapler. I.e., the relative positions of the clamping end of the first clamping bar 11 and the clamping end of the second clamping bar 12 are opposite to the relative positions of the holding end of the first clamping bar 11 and the clamping end of the second clamping bar 12, as can be understood, for example, by reference to the following: the clamping end of the first clamping bar 11 is positioned at the right (upper) side of the clamping end of the second clamping bar 12, and the handheld end of the first clamping bar 11 is positioned at the left (lower) side of the handheld end of the second clamping bar 12 through hinging.

The forceps body further comprises a first forceps ear 13 arranged at the handheld end of the first forceps rod 11 and a second forceps ear 14 arranged at the handheld end of the second forceps rod 12. The first clamp bar 11 and the second clamp bar 12 may be both straight bars and curved bars, and in addition, the situation that one of the first clamp bar 11 and the second clamp bar 12 is a straight bar and the other is a curved bar is not excluded.

The nail bin 3 is arranged between the upper stapling arm 2 and the lower stapling arm 4, one end of the nail bin 3 is connected with the hinged part of the first clamp rod 11 and the second clamp rod 12, and a clamping space for clamping a piece to be sutured is formed between the nail bin 3 and the lower stapling arm 4. Preferably, during use of the stapler, the position of the cartridge 3 is not moved, and the distance between the upper stapling arm 2 and the cartridge 3 and the lower stapling arm 4 and the cartridge 3 is adjusted by changing the distance between the first jaw lever 11 and the second jaw lever 12 (changing the degree of opening and closing of the upper stapling arm 2 and the lower stapling arm 4).

The lower stapling arm 4 is further provided with a curved staple groove 5 matched with a staple 7, and one end of the upper stapling arm 2, which is far away from the hinged end, is provided with a staple pressing tongue 21 protruding towards the staple cartridge 3 so as to be used for pressing the staple 7 out of the staple cartridge 3 and matching with the curved staple groove 5 to sew and fix a piece to be sutured.

In reference, the stapler further includes a staple pushing assembly 7, the staple pushing assembly 7 includes a spring 61 and a pusher 62, the pusher 62 is slidably disposed in the staple cartridge 3 (slides along the length direction of the staple cartridge 3), two ends of the spring 61 are respectively connected to the pusher 62 and the upper stapling arm 2, so that the upper stapling arm 2 compresses the spring 61 in the covering process, the pusher 62 is further pushed by the acting force of the spring 61, and the staple 7 is then pushed to the position corresponding to the staple pressing tongue 21 by the pusher 62. The pushing member 62 may be a pushing block, for example.

Further, the stapler in this embodiment may also optionally contain staples 7. It can be understood that: this embodiment can protect the combination comprising the body of the forceps, the stapler but without the staples 7 alone; a combination comprising both the jaw body, the stapler and the staples 7 may also be protected. When protecting the latter, the staples 7 are initially arranged in the nail box 3 when in use, and the staples 7 are separated from the nail box 3 under the pressing action of the staple pressing tongues 21 and are matched with the bent staple grooves 5 to sew and fix the piece to be sewed.

The material of the suturing nail 7 is a high molecular material absorbable by human body, such as gelatin, chitin, hyaluronic acid, cellulose, poly-alpha-hydroxy acid, polyanhydride, polyorthoester or polyphosphazene. The stitching instrument is made of stainless steel.

In this embodiment, the staple cartridge 3 includes a bottom plate 31, a first enclosing plate 32, a second enclosing plate 33 and a third enclosing plate 34. The first enclosing plate 32, the third enclosing plate 34 and the second enclosing plate 33 are sequentially and vertically connected to three sequentially connected edges of the bottom plate 31, one ends of the first enclosing plate 32 and the second enclosing plate 33 are connected with the hinged part, the third enclosing plate 34 is located at one end of the bottom edge, which is far away from the hinged part (namely, one end of the first enclosing plate 32, which is far away from the third enclosing plate 34, and one end of the second enclosing plate 33, which is far away from the third enclosing plate 34, are connected with the hinged part), and the first enclosing plate 32, the second enclosing plate 33, the third enclosing plate 34 and the bottom plate 31 jointly form a space for containing the suturing nail 7 and the pushing piece 62.

Specifically, the bottom plate 31 is rectangular, two parallel long sides of the bottom plate 31 are defined as a first long side and a second long side respectively, and two parallel short sides of the bottom plate 31 are defined as a first short side and a second short side respectively, wherein the first short side is located on one side of the second short side away from the hinge.

The first 32, third 34 and second 33 enclosing panel are in turn connected to the first long side, the first short side and the second long side of the floor, while the second short side of the bottom panel 31 is not connected to any enclosing panel. The end of the first web 32 adjacent the second short side and the end of the second web 33 adjacent the second short side are both connected at the hinge.

One end of the bottom plate 31 connected to the third surrounding plate 34 is opened with an opening 311 for the staple 7 to fall down. The openings 311 are sized to be equal to or slightly larger than the size of the staples 7.

When suturing is not performed, the suturing nails 7 and the pushing piece 62 are both arranged in the position, far away from the third push plate, of the nail box 3, and when suturing is required, the suturing nails 7 are pushed towards the third push plate by the pushing piece 62 until the suturing nails 7 are pushed to the openings 311, namely, the suturing nails fall from the openings 311 and are separated from the nail box 3.

The curved nail groove 5 is arranged at one end of the lower stapling arm 4 far away from the hinge joint, and the curved nail groove 5 corresponds to the position of the opening 311 at the arrangement position of the lower stapling arm 4, so that the suturing nail 7 can fall into the curved nail groove 5 through the opening 311 of the bottom plate 31 and be bent in the curved nail groove 5. Specifically, the nailing upper arm 2 drives the pushing piece 62 to move towards the direction of the third enclosing plate 34 through the linkage of the spring 61 in the covering process, and pushes the suturing nails 7 in the nail bin 3 towards the direction of the third enclosing plate 34, when the suturing nails 7 are pushed to the opening 311 position, the suturing nails pass through the opening 311 and pass through the piece to be sutured under the downward pressing action of the nail pressing tongue 21 to realize suturing, then under the action of external force, the nail pressing tongue 21 is in contact with the nail bending groove 5 of the nailing lower arm 4 to form a squeezing action, and under the squeezing action, the stitches 72 of the suturing nails 7 are forced to bend inwards to fix the sutured piece.

In this embodiment, the staple 7 includes a fixed beam 71 and two pins 72 vertically connected to both ends of the fixed beam 71 (the staple 7 may refer to a common staple in the prior art). Staples 7 are received in cartridge 3 with retention beam 71 in an upper and two pins 72 in a lower orientation.

In this embodiment, the curved nail groove 5 comprises a first groove 51 and a second groove 52 for bending two pins 72 respectively, and the first groove 51 and the second groove 52 are arranged alternately.

Specifically, the first groove 51 has a first end 511 and a second end 512 opposite to each other, the second groove 52 has a third end 521 and a fourth end 522 opposite to each other, the first end 511 and the third end 521 correspond to the initial falling position of the staple 7 after the two pins 72 are pressed down, the second end 512 is located on the side of the third end 521 close to the hinge, and the fourth end 522 is located on the side of the first end 511 away from the hinge.

In an alternative embodiment, the first and second grooves 51, 52 may be staggered between 14-16 ° (e.g., 15 °), that is: the projection of the first groove 51 and the opening 311 on the lower stapling arm 4 forms an angle of 14-16 degrees, and the projection of the second groove 52 and the opening 311 on the lower stapling arm 4 also forms an angle of 14-16 degrees.

In addition, a buckle (not shown) is further arranged on the nail pressing tongue 21, and a clamping groove (not shown) matched with the buckle is arranged on the third surrounding plate 34, so that the nail pressing tongue 21 is clamped with the nail bin 3 after the nail 7 is pressed out and is not separated from the nail bin. The specific structure of the buckle and the clamping groove can refer to the prior art, and will not be described herein.

The width of the fixed beam 71 is 0.3cm and the length of the pin 72 is 0.4cm, as can be seen. The nail pressing tongue 21 is 0.5cm long, 0.4cm wide and 0.1cm thick. The length of the nail bin 3 is 2.5cm, the distance between the inner wall of the first enclosing plate 32 and the inner wall of the second enclosing plate 33 is 0.4cm, and the distance between the outer wall of the first enclosing plate 32 and the outer wall of the second enclosing plate 33 is 0.6 cm. The width of the lower stapling arm 4 is 0.6cm and the length of the lower stapling arm 4 is 2.5 cm. The length of the upper nailing arm 2 is 2.4cm, and the width of the upper nailing arm 2 is 0.4 cm.

In addition, the above dimensions may be set to other values according to actual needs. Moreover, the sizes of other structures can be correspondingly set according to actual requirements. For example, it may be set to any value within the following range: the width of the fixed beam is 0.25-0.35cm, and the length of the pin is 0.35-0.45 cm. The nail-pressing tongue has a length of 0.45-0.55cm, a width of 0.45-0.55cm and a thickness of 0.08-0.12 cm. The length of the nail bin is 2-3cm, the distance between the inner wall of the first enclosing plate and the inner wall of the second enclosing plate is 0.35-0.45cm, and the distance between the outer wall of the first enclosing plate and the outer wall of the second enclosing plate is 0.55-0.65 cm. The width of the lower stapling arm is 0.55-0.65cm, and the length of the lower stapling arm is 2-3 cm. The length of the upper nailing arm is 2.2-2.6cm, and the width of the upper nailing arm is 0.35-0.45 cm. It should be noted that the structure and principle of the stapler and the forceps body which are not disclosed in the present embodiment can refer to the stapler and the hemostatic forceps respectively in the prior art, and will not be described in detail herein.

In addition, the suturing device may be configured as a pistol, and the purpose and function of the suturing device may be the same as those of the suturing device of the present embodiment, which is not limited herein.

Example 2

This embodiment also provides a stapler, which is combined with fig. 5 to 8, and comprises a forceps body and a stapler.

The stapler comprises a cartridge 3 for accommodating staples 7.

The clamp body comprises a first clamp rod 11 and a second clamp rod 12, the first clamp rod 11 and the second clamp rod 12 are respectively provided with a relative handheld end and a clamping end, the part of the first clamp rod 11, which is close to the clamping end, is hinged with the part of the second clamp rod 12, which is close to the clamping end, the clamping end of the first clamp rod 11 is used as a lower nailing arm 4 of the stapler, and the clamping end of the second clamp rod 12 is used as an upper nailing arm 2 of the stapler. I.e., the relative positions of the clamping end of the first clamping bar 11 and the clamping end of the second clamping bar 12 are opposite to the relative positions of the holding end of the first clamping bar 11 and the clamping end of the second clamping bar 12, as can be understood, for example, by reference to the following: the clamping end of the first clamping bar 11 is positioned at the right side of the clamping end of the second clamping bar 12, and the handheld end of the first clamping bar 11 is positioned at the left side of the handheld end of the second clamping bar 12 through hinging.

The forceps body further comprises a first forceps ear 13 arranged at the handheld end of the first forceps rod 11 and a second forceps ear 14 arranged at the handheld end of the second forceps rod 12. The first clamp bar 11 and the second clamp bar 12 may be both straight bars and curved bars, and in addition, the situation that one of the first clamp bar 11 and the second clamp bar 12 is a straight bar and the other is a curved bar is not excluded.

The nail bin 3 is arranged between the upper stapling arm 2 and the lower stapling arm 4, one end of the nail bin 3 is connected with the hinged part of the first clamp rod 11 and the second clamp rod 12, and a clamping space for clamping a piece to be sutured is formed between the nail bin 3 and the lower stapling arm 4. Preferably, during use of the stapler, the position of the cartridge 3 is not moved, and the distance between the upper stapling arm 2 and the cartridge 3 and the lower stapling arm 4 and the cartridge 3 is adjusted by changing the distance between the first jaw lever 11 and the second jaw lever 12 (changing the degree of opening and closing of the upper stapling arm 2 and the lower stapling arm 4).

The lower stapling arm 4 is further provided with a curved staple groove 5 matched with a staple 7, and one end of the upper stapling arm 2, which is far away from the hinged end, is provided with a staple pressing tongue 21 protruding towards the staple cartridge 3 so as to be used for pressing the staple 7 out of the staple cartridge 3 and matching with the curved staple groove 5 to sew and fix a piece to be sutured.

In reference, the stapler further includes a staple pushing assembly 7, the staple pushing assembly 7 includes a spring 61 and a pusher 62, the pusher 62 is slidably disposed in the staple cartridge 3 (slides along the length direction of the staple cartridge 3), two ends of the spring 61 are respectively connected to the pusher 62 and the upper stapling arm 2, so that the upper stapling arm 2 compresses the spring 61 in the covering process, the pusher 62 is further pushed by the acting force of the spring 61, and the staple 7 is then pushed to the position corresponding to the staple pressing tongue 21 by the pusher 62. The pushing member 62 may be a pushing block, for example.

Further, the stapler in this embodiment may also optionally contain staples 7. It can be understood that: this embodiment can protect the combination comprising the body of the forceps, the stapler but without the staples 7 alone; a combination comprising both the jaw body, the stapler and the staples 7 may also be protected. When protecting the latter, the staples 7 are initially arranged in the nail box 3 when in use, and the staples 7 are separated from the nail box 3 under the pressing action of the staple pressing tongues 21 and are matched with the bent staple grooves 5 to sew and fix the piece to be sewed.

The material of the suturing nail 7 is a high molecular material absorbable by human body, such as gelatin, chitin, hyaluronic acid, cellulose, poly-alpha-hydroxy acid, polyanhydride, polyorthoester or polyphosphazene. The stitching instrument is made of stainless steel.

In the present embodiment, the staple 7 is composed of a shaft 73 and a head 74 connected to each other, and the head 74 has a rim extending from the axial center of the shaft 73 to the radial direction of the shaft 73. The nail rod 73 is provided with a fork passage 731 extending from the nail tip of the nail rod 73 to the nail head 74 direction to divide one end of the nail rod 73 far away from the nail head 74 into a first branch part 732 and a second branch part 733.

The nut 74 may, by reference, be circular or rectangular in cross-section, or may take on other shapes.

The cartridge 3 comprises a base plate 31, a first closure plate 32, a second closure plate 33 and a third closure plate 34. The first enclosing plate 32, the third enclosing plate 34 and the second enclosing plate 33 are sequentially and vertically connected to three sequentially connected edges of the bottom plate 31, one ends, far away from the third enclosing plate 34, of the first enclosing plate 32 and the second enclosing plate 33 are connected to the hinged part, and the first enclosing plate 32, the second enclosing plate 33, the third enclosing plate 34 and the bottom plate 31 jointly enclose a space for containing the suturing nail 7 and the pushing piece 62.

One end of the bottom plate 31 connected with the third surrounding plate 34 is provided with an opening 311 for the falling of the suturing nail 7, and the bent nail groove 5 corresponds to the opening 311 at the setting position of the lower stapling arm 4, so that the suturing nail 7 is pressed out of the nail bin 3 at the position of the opening 311 through the pressing action of the nail pressing tongue 21 and is matched with the bent nail groove 5 to suture and fix the piece to be sutured.

Specifically, the first enclosing plate 32 has a first section 321 and a second section 322 connected with each other, and the second enclosing plate 33 has a third section 331 and a fourth section 332 connected with each other, wherein the second section 322 and the fourth section 332 are both connected with the third enclosing plate 34. The distance between the first section 321 and the third section 331 is less than the largest dimension of the nut 74 and greater than the diameter of the nail shank 73, and the distance between the second section 322 and the fourth section 332 is equal to or greater than the largest dimension of the nut 74.

One end of the bottom plate 31 connected to the third surrounding plate 34 is opened with an opening 311 for the staple 7 to fall down. The openings 311 are sized to be equal to or slightly larger than the size of the staples 7.

When suturing is not performed, the suturing nails 7 and the pushing piece 62 are both arranged in the position, far away from the third push plate, of the nail box 3, and when suturing is required, the suturing nails 7 are pushed towards the third push plate by the pushing piece 62 until the suturing nails 7 are pushed to the openings 311, namely, the suturing nails fall from the openings 311 and are separated from the nail box 3.

The curved nail groove 5 is arranged at one end of the lower stapling arm 4 far away from the hinge joint, and the curved nail groove 5 corresponds to the position of the opening 311 at the arrangement position of the lower stapling arm 4, so that the suturing nail 7 can fall into the curved nail groove 5 through the opening 311 of the bottom plate 31 and be bent in the curved nail groove 5. Specifically, the nailing upper arm 2 drives the pushing piece 62 to move towards the direction of the third enclosing plate 34 through the linkage of the spring 61 in the covering process, and pushes the suturing nails 7 in the nail bin 3 towards the direction of the third enclosing plate 34, when the suturing nails 7 are pushed to the opening 311 position, the suturing nails pass through the opening 311 and pass through the piece to be sutured under the downward pressing action of the nail pressing tongue 21 to realize suturing, then under the action of external force, the nail pressing tongue 21 is in contact with the nail bending groove 5 of the nailing lower arm 4 to form a squeezing action, and under the squeezing action, the stitches 72 of the suturing nails 7 are forced to bend inwards to fix the sutured piece.

In this embodiment, the curved nail slot 5 includes a splitting ridge 53, a first groove 51 and a second groove 52, the extending direction of the splitting ridge 53 matches the direction of the branch passage 731 of the nail rod 73, the first groove 51 and the second groove 52 are respectively disposed at two sides of the splitting ridge 53, and the extending direction of the first groove 51 and the second groove 52 is perpendicular to the extending direction of the splitting ridge 53, so that the two forked parts of the splitting ridge 53 inserted into the branch passage 731 in the process of pressing down the staple 7 are respectively bent outwards along the first groove 51 and the second groove 52 after passing through the piece to be sutured to suture and fix the piece to be sutured.

In addition, a buckle is further arranged on the nail pressing tongue 21, and a clamping groove matched with the buckle is formed in the third enclosing plate 34, so that the nail pressing tongue 21 is clamped with the nail bin 3 after the suturing nail 7 is pressed out, and the nail pressing tongue 21 is not separated from the nail bin 3. The specific structure of the buckle and the clamping groove can refer to the prior art, and will not be described herein.

As a reference, the stapling tongue 21 has a length of 0.5cm, a width of 0.2cm and a thickness of 0.1 cm. The width of the nail bin 3 is 0.3cm, and the height is 0.6 cm. The nail cap 74 has a length of 0.2cm, a width of 0.1cm and a thickness of 0.1 cm. The nail shank 73 has a diameter of 0.1cm and a length of 0.4 cm. The distance between the terminal end of the split and the nail tip may be 0.25 cm. The first groove 51 and the second groove 52 each have a length of 0.25cm, a width of 0.1cm, and a depth of 0.1 cm.

In addition, the above dimensions may be set to other values according to actual needs. Moreover, the sizes of other structures can be correspondingly set according to actual requirements. For example, it may be set to any value within the following range: the nail-pressing tongue is 0.45-0.55cm long, 0.15-0.25cm wide and 0.08-0.12cm thick. The width of the nail bin is 0.25-0.35cm, and the height is 0.55-0.65 cm. The nail cap has a length of 0.15-0.25cm, a width of 0.08-0.12cm and a thickness of 0.08-0.12 cm. The diameter of the pin rod is 0.08-0.12cm, and the length of the pin rod is 0.35-0.45 cm. The distance between the terminal of the split and the nail tip is 0.2-0.3 cm. The first groove and the second groove are 0.2-0.3cm long, 0.08-0.12cm wide and 0.08-0.12cm deep.

It should be noted that the structure and principle of the stapler and the forceps body which are not disclosed in the present embodiment can refer to the stapler and the hemostatic forceps respectively in the prior art, and will not be described in detail herein.

The staple 7 of the one-foot rivet type provided by the present embodiment may be more suitable for cartilage stapling than other forms of staple 7. After the forceps clamp the cartilage pieces to be sutured, the first forceps rod 11 and the second forceps rod 12 are closed, the nail pressing tongue 21 applies pressure to penetrate the suturing nail 7 of the single-pin rivet type into the cartilage pieces, the needle point reaches the splitting ridge 53 and is divided into two branches in the left-right horizontal direction, and the needle head and the nail cap 74 are used for tightly fixing the cartilage pieces.

In addition, the suturing device may be configured as a pistol, and the purpose and function of the suturing device may be the same as those of the suturing device of the present embodiment, which is not limited herein.

Example 3

The present embodiment provides an application of the above-described suture instrument: it is used as a suture instrument in costal cartilage augmentation rhinoplasty.

In particular, reference may be made to: after cutting off costal cartilage pieces of augmentation rhinoplasty in the operation, the cartilage pieces to be used and nasal septal cartilage, or after the cartilage pieces are matched with the cartilage pieces, the open augmentation rhinoplasty cartilage support stapler slightly occludes the two cartilage pieces to be sutured and fixed, then clamps the forceps forcibly, namely presses out suturing nails 7 in a nail bin 3 of the stapler, penetrates through the cartilage pieces to be sutured and fixed and tightly nails the cartilage pieces together, can complete suturing and fixing instantly, does not need to be detached after the operation, greatly lightens the labor amount of doctors, accelerates the operation speed, improves the operation efficiency, and simultaneously ensures the operation safety.

Example 4

The present embodiment also provides an application of the above-mentioned suture instrument: it is used as a suture instrument in cosmetic subcutaneous soft tissue suturing.

In conclusion, the suturing instrument provided by the application can be used as a suturing instrument for costal cartilage augmentation rhinoplasty or suturing and fixing of various subcutaneous soft tissues. The stapler that will open opening 311 interlocks gently and plans the fixed organizational structure of sewing up, then the power tong clamp, will adorn the 7 extrusions of sewing up of stitching in nail storehouse 3, pierces through the organizational structure of waiting to sew up fixedly and tightly nails it together, can accomplish in the twinkling of an eye and sew up fixedly, and the postoperative need not be demolishd, has accelerated the operation speed greatly and has improved operation efficiency, has also guaranteed operation safety simultaneously, can effectively replace the operation that needs a doctor's stitch among the prior art.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A stapler is characterized by comprising a clamp body and a stapler, wherein the stapler comprises a nail cabin for containing staples, the clamp body comprises a first clamp rod and a second clamp rod, the first clamp rod and the second clamp rod are respectively provided with a handheld end and a clamping end, the part of the first clamp rod, which is close to the clamping end, is hinged with the part of the second clamp rod, which is close to the clamping end, the clamping end of the first clamp rod is used as a lower stapling arm of the stapler, the clamping end of the second clamp rod is used as an upper stapling arm of the stapler, the nail cabin is arranged between the upper stapling arm and the lower stapling arm, one end of the nail cabin is connected with the hinged part of the first clamp rod and the second clamp rod, and a clamping space for clamping a piece to be sewn is formed between the nail cabin and the lower stapling arm; the lower stapling arm is provided with a curved staple groove matched with the stapling staples, and one end of the upper stapling arm, which is far away from the hinged end, is provided with a staple pressing tongue protruding towards the staple cartridge so as to press the staples out of the staple cartridge and match with the curved staple groove to sew and fix the piece to be sewn.

2. The stapler of claim 1, further comprising a staple pushing assembly including a spring and a pusher slidably disposed in the staple cartridge, wherein two ends of the spring are respectively connected to the pusher and the upper stapling arm, so that the upper stapling arm pushes the pusher to a position corresponding to the staple pressing tongue through the spring during the covering process.

3. The stapler of claim 2, further comprising a staple for disengaging from the cartridge under the action of the pressing tongue and engaging with the curved staple groove to staple the member to be stapled;

preferably, the stitching nail is made of a high polymer material which can be absorbed by human bodies;

preferably, the stapler comprises stainless steel.

4. The stapler of claim 3, wherein the staple cartridge comprises a bottom plate, a first closure plate, a second closure plate, and a third closure plate;

the first enclosing plate, the third enclosing plate and the second enclosing plate are sequentially and vertically connected to three sequentially connected edges of the bottom plate, one ends of the first enclosing plate and the second enclosing plate, which are far away from the third enclosing plate, are connected to the hinged part, and the first enclosing plate, the second enclosing plate, the third enclosing plate and the bottom plate jointly enclose a space for containing the suturing nail and the pushing piece;

the bottom plate with the one end that the third bounding wall is connected still seted up the confession the opening that sews up the nail whereabouts, curved nail groove is in the setting position of nailing lower arm with the position of opening corresponds, so that sew up the nail in the open-ended position through the pushing down of pressing the nail tongue is pressed out the nail storehouse and with curved nail groove cooperation will wait to sew up the piece and sew up fixedly.

5. The stapler of claim 4, wherein the staple includes a fixed beam and two pins connected perpendicularly to both ends of the fixed beam, the staple being received within the cartridge in a direction with the fixed beam up and the two pins down.

6. The stapler of claim 5, wherein the staple bending slot includes a first and a second recess for bending two stitches respectively, the first recess having opposite first and second ends, the second recess having opposite third and fourth ends, the first and third ends corresponding to initial landing positions of the staple after the two stitches are depressed, the second end being on a side of the third end proximal to the hinge, the fourth end being on a side of the first end distal to the hinge;

preferably, the first groove and the projection of the opening on the lower stapling arm form an angle of 14-16 degrees, and the second groove and the projection of the opening on the lower stapling arm also form an angle of 14-16 degrees;

preferably, the width of the fixed cross beam is 0.25-0.35cm, and the length of the pin is 0.35-0.45 cm;

preferably, the length of the nail pressing tongue is 0.45-0.55cm, the width is 0.35-0.45cm, and the thickness is 0.08-0.12 cm;

preferably, the length of the nail bin is 2-3cm, the distance between the inner wall of the first enclosing plate and the inner wall of the second enclosing plate is 0.35-0.45cm, and the distance between the outer wall of the first enclosing plate and the outer wall of the second enclosing plate is 0.55-0.65 cm;

preferably, the width of the lower stapling arm is 0.55-0.65cm, and the length of the lower stapling arm is 2-3 cm;

preferably, the length of the upper nailing arm is 2.2-2.6cm, and the width of the upper nailing arm is 0.35-0.45 cm.

7. The stapler of claim 3, wherein the staple is comprised of a stem and a cap connected to each other, the cap having a rim that diverges from a center of the stem in a radial direction of the stem;

the nail bin comprises a bottom plate, a first enclosing plate, a second enclosing plate and a third enclosing plate, wherein the first enclosing plate, the third enclosing plate and the second enclosing plate are sequentially and vertically connected to three sequentially connected edges of the bottom plate, one ends of the first enclosing plate and the second enclosing plate, which are far away from the third enclosing plate, are connected to the hinged part, and the first enclosing plate, the second enclosing plate, the third enclosing plate and the bottom plate jointly enclose a space for containing the suturing nail and the pushing piece;

the bottom plate with the one end that the third bounding wall is connected is seted up the confession the opening that sews up the nail whereabouts, curved nail groove is in the setting position of nailing lower arm with the position of opening corresponds, so that sew up the nail in the position of opening is passed through the pushing down of nail pressing tongue and is acted on the extrusion the nail storehouse and with curved nail groove cooperation will wait to sew up the piece and sew up fixedly.

8. The stapler of claim 7, wherein the stem defines a bifurcation extending from a tip of the stem in a direction toward the nut to separate an end of the stem distal from the nut into a first bifurcation and a second bifurcation, the bent nail groove comprises a split ridge, a first groove and a second groove, the extending direction of the split ridge is matched with the fork path direction of the nail rod, the first groove and the second groove are respectively arranged at two sides of the splitting ridge, the extending direction of the first groove and the second groove is vertical to the extending direction of the splitting ridge, so that the split ridges are inserted into the fork paths during the process of pressing down the suturing nails to assist the two fork parts of the nail rod to be bent outwards along the first groove and the second groove after passing through the piece to be sutured so as to perform suturing fixation on the piece to be sutured;

preferably, the length of the nail pressing tongue is 0.45-0.55cm, the width is 0.15-0.25cm, and the thickness is 0.08-0.12 cm;

preferably, the width of the nail bin is 0.25-0.35cm, and the height of the nail bin is 0.55-0.65 cm;

preferably, the nail cap is 0.15-0.25cm long, 0.08-0.12cm wide and 0.08-0.12cm thick;

preferably, the diameter of the nail rod is 0.08-0.12cm, and the length of the nail rod is 0.35-0.45 cm;

preferably, the distance between the terminal end of the split and the nail tip is 0.2-0.3 cm;

preferably, the length of each of the first groove and the second groove is 0.2-0.3cm, the width of each of the first groove and the second groove is 0.08-0.12cm, and the depth of each of the first groove and the second groove is 0.08-0.12 cm.

9. The stapler according to any one of claims 4-8, wherein the nail pressing tongue is further provided with a buckle, and the third surrounding plate is provided with a clamping groove matched with the buckle, so that the nail pressing tongue is clamped with the nail bin after the suturing nail is pressed out and does not separate from the nail bin;

preferably, the forceps body further comprises a first forceps ear arranged at the holding end of the first forceps rod and a second forceps ear arranged at the holding end of the second forceps rod;

preferably, the first clamp rod and the second clamp rod are both straight rods, or the first clamp rod and the second clamp rod are both bent rods.

10. Use of a stapler according to any one of claims 1-9, wherein said stapler is used as a medical stapling instrument or as a cosmetic orthopaedic stapling instrument;

preferably, the suture device is used as a suture instrument in costal cartilage augmentation rhinoplasty;

preferably, the suturing device is used as a suturing instrument for subcutaneous soft tissue suturing.

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