CN115474979A

CN115474979A - Nail plate type anastomosis structure

Info

Publication number: CN115474979A
Application number: CN202211283724.2A
Authority: CN
Inventors: 江世华; 曹烽
Original assignee: Daci Biomedical Technology Jiangsu Co ltd
Current assignee: Daci Biomedical Technology Jiangsu Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2022-12-16
Also published as: WO2024082625A1

Abstract

The invention relates to a nail plate type anastomosis structure which comprises a nail plate and a pinch plate, wherein the shape and the size of the nail plate correspond to each other, at least 1 anastomosis nail is arranged on the nail plate, a fastening hole matched with the position of the anastomosis nail is formed in the pinch plate, an upper fastening piece is arranged at the top end of the anastomosis nail, a lower fastening piece matched with the upper fastening piece is arranged at the edge of the inner side of the fastening hole, the anastomosis nail can be clamped on the pinch plate through the upper fastening piece and the lower fastening piece, and the nail foot of the anastomosis nail is in contact with the surface of the pinch plate so as to clamp tissues to be anastomosed between the nail plate and the pinch plate for anastomosis fixation. The invention can increase the fixed area of the anastomotic tissue through the anastomotic structure of the nail plate and the pinch plate, improve the stability of the anastomotic stoma, and reduce the phenomenon of blood leakage at the nail hole of the anastomotic nail under the action of the pressure of the nail plate and the pinch plate.

Description

Nail plate type anastomosis structure

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a nail plate type anastomosis structure.

Background

Surgical staplers are widely used in the clinic because they have the advantage that anastomosis and cutting can be performed simultaneously. The anastomat can simplify the operation, shorten the time and conform to the minimally invasive development of the surgery. The anastomotic part of clinical anastomoses such as linear anastomat and circular anorectal anastomat has the same structure and working principle as staples, under the squeezing action of external force, two staple legs of the anastomotic staple with inverted U-shaped structure penetrate through tissues and are inverted into a B shape in a plastic groove on a chopping board, and the tissues to be anastomosed are held tightly and fixed in two cavities of the B by the two staple legs. Because the two nail legs need to be reversely molded, the hardness and the thickness of the two nail legs are limited, the two nail legs can only be selected between the hardness capable of penetrating and the thickness capable of being reversely molded, when the fixed tissue generates edema or is stimulated to contract, the nail legs for fixing the tissue can be gradually propped open, so that the situations of loosening of an anastomotic stoma and bleeding of the bleeding are caused due to loose fixation, and the phenomena of loosening of the anastomotic stoma and bleeding of the bleeding are easy to occur clinically because the edema and the contraction of the cut wound surface are inevitable conditions after the operation. Numerous anastomotic nail punctures can have the risk that the tissue can bear when the anastomotic surface is covered with fine and broken injuries, especially when anastomosing on delicate or crisp tissue.

Disclosure of Invention

The invention provides a nail-plate type anastomosis structure which is simple in structure and convenient to use, and aims to solve the problems that when a plurality of conventional inverted U-shaped anastomosis nails are used for fixing in a clinical operation, anastomosis loosening is easy to occur, so that blood seepage and anastomosis failure are caused, dense anastomosis nails are easy to cause loose tissues of the anastomosis and slow healing of the anastomosis and the seepage around a nail foot is not easy to control.

The invention adopts a technical scheme that: the utility model provides a nail board formula structure that coincide, nail board and buckle including shape and the mutual correspondence of size, be provided with 1 anastomotic nail on the nail board at least, be provided with on the buckle with anastomotic nail position assorted knot hole, the top of anastomotic nail is provided with last retaining member, the inboard edge of knot hole be provided with last retaining member matched with lower retaining member, through last retaining member and lower retaining member can fix the nail foot of anastomotic nail in the knot hole of buckle, nail board and buckle will treat anastomotic tissue centre gripping and coincide fixedly.

Further, go up the fastener for setting up the buckle on coincide nail top, the buckle is umbelliform, the top of buckle is most advanced form, the end of buckle is provided with the draw-in groove.

Further, go up the fastener for setting up a buckle on coincide nail top, the top of buckle is most advanced form, the end of buckle is provided with the draw-in groove.

Further, lower retaining member is at least one buckle tongue of setting in the buckle hole, the buckle tongue is barb card form, the buckle tongue can block and establish on the draw-in groove of buckle.

Further, the distance between the edge of the nail plate and the nail foot of the anastomosis nail is at least 0.1mm.

Furthermore, the surfaces of the nail plate and the pinch plate are covered with a layer of cushion belt.

Further, the nail plate and the buckle plate are any one or more of '\9520' 'shape,' \9602'' shape, '9547' 'I' shape or 'EXPER' shape.

The advantages of the invention are as follows:

(1) The invention has simple structure and compact design, and the anastomotic structure adopts a mode of combining the nail plate and the buckle plate, thereby increasing the anastomotic fixing area, reducing the wound of anastomotic tissues, enabling the anastomotic surface of the tissues to be anastomosed to be compact and uniform, compacting tissues around the nail hole of the anastomotic nail and preventing the occurrence of liquid and blood seepage from influencing the healing of the anastomotic orifice.

(2) The anastomosis nail is connected with the buckling hole through the locking part, so that the anastomosis tissue is stably fixed, the phenomenon of loosening of the anastomosis part caused by edema or contraction caused by stimulation of the tissue at the anastomosis part is avoided, and the rapid healing of the tissue at the anastomosis part is facilitated.

(3) The invention is convenient to use, and can select a plurality of anastomotic structures to splice for use according to the size of the anastomotic stoma.

Drawings

Fig. 1 is a schematic structural view of a nail plate according to a first embodiment of the present invention.

Fig. 2 is a schematic structural view of a buckle plate according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view of a nail plate according to a second embodiment of the present invention.

FIG. 4 is a schematic view of a buckle plate according to a second embodiment of the present invention.

Fig. 5 is a schematic view of the connection between the upper and lower lock members according to the first embodiment of the present invention.

Fig. 6 is a schematic view showing the connection of the upper and lower lock members according to the second embodiment of the present invention.

FIG. 7 is a schematic structural view of a plurality of nail plates spliced and combined in the invention.

FIG. 8 is a schematic view of the use of the nail plate and the gusset plate of the present invention.

Description of reference numerals: the nail plate 1, the buckle plate 2, the anastomosis nail 3, the buckle hole 4, the buckle 5, the buckle tongue 6 and the cushion belt 7.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Example 1: as shown in fig. 1, fig. 2 and fig. 5, a nail plate type anastomosis structure, including nail plate 1 and buckle plate 2, nail plate 1 and buckle plate 2 shape and size correspond to each other, be provided with 2 at least anastomotic nails 3 on the nail plate 1, be provided with on the buckle plate 2 with anastomotic nails 3 quantity and the buckle hole 4 of position matching, be equipped with the retaining member on the anastomotic nails 3, correspond to being provided with the lower retaining member that corresponds with the retaining member on the buckle hole 4, can contact the nail foot of anastomotic nails 3 with the surface of buckle plate 2 in order to treat anastomotic tissue position to carry out the centre gripping anastomoses through last retaining member and lower retaining member. The upper locking piece is a buckle 5 arranged at the top end of the anastomosis nail 3, the buckle 5 is umbrella-shaped, the top end of the buckle 5 is tip-shaped, and the tail end of the buckle 5 is provided with a clamping groove; the lower locking piece is two symmetrical buckle tongues 6 arranged on the inner side of the buckle hole 4, the buckle tongues 6 are in a barb clamp sheet shape, and the buckle tongues 6 can be clamped on the clamp grooves.

The edge of the nail plate 1 comprises a blank edge area of at least 0.1mm, a layer of cushion belt 7 is laid on the surfaces of the nail plate 1 and the buckle plate 2 respectively, the cushion belt 7 can enable a plurality of nail plates or a plurality of buckle plates to be connected into a whole, and the nail plate 1 and the buckle plate 2 are in any one of linear, cross, T-shaped or annular structures. The nail plate 1, the pinch plate 2 and the anastomosis nail 3 are made of biocompatible metal materials or polymer materials (both absorbable or non-absorbable).

Example 2:

as shown in fig. 3, 4 and 6, nail board 1 and the buckle 2 that corresponds are the T type, are provided with on the

nail board

1, 3 coincide nails 3, and last stopper buckle 5 of coinciding nail 3 is provided with one, sets up in one side on coincide 3 top, and the top of buckle 5 is most advanced form, and the end of buckle 5 is provided with the draw-in groove, is provided with a lower stopper buckle tongue 6 on the knot hole of buckle 2. A plurality of nail plates 1 are combined for use, and the surface of the nail plate 1 is covered with a layer of cushion belt. The nail plate 1, the pinch plate 2 and the anastomosis nail 3 are made of biocompatible metal materials or polymer materials (both absorbable or non-absorbable).

The using method comprises the following steps: as shown in fig. 7, clinically, one or more anastomotic structures are selected to be used in combination according to the size of a cut of a tissue to be anastomosed, the anastomotic structure is required to be assembled into an anastomat matched with the anastomat in structure for use, a plurality of nail plates are sequentially spliced to the surface of a nail bin of the anastomat, and buckle plates are spliced to the surface of a nail seat of the anastomat in sequence corresponding to the arrangement sequence of the nail plates, so that two adjacent splicing seams are required to be ensured not to be on the same straight line in the splicing process, the splicing seams vertically penetrating through an anastomotic opening are prevented, and the risk of blood leakage and liquid leakage of the anastomotic tissue is reduced. As shown in fig. 8, the surfaces of the nail plate and the pinch plate are respectively covered with a flexible cushion layer to ensure that the spliced anastomotic structure keeps integrity on the anastomotic surface. Under the effect of the external thrust of the anastomat, the upper locking piece of the anastomosis nail on the nail plate penetrates through the lower locking piece in the fastening hole on the tissue and the buckle plate and is combined, the fastening tongue of the lower locking piece is clamped with the clamping groove of the upper locking piece, the tissue to be anastomosed is clamped and connected by the nail plate and the buckle plate, the anastomosis nail is connected to the buckle plate and cannot be pulled out, the nail plate and the buckle plate increase the noninvasive fixed anastomosis area and the anastomotic stability, the nail foot of the anastomosis nail is provided with the nail plate all around, the covering pressure of the buckle plate is reduced, reliable sealing effect is provided for the blood leakage of the nail hole on the anastomosis tissue, the nail plate and the buckle plate are stably fixedly connected, the firmness and the uniformity of the anastomosis port can be guaranteed, the success rate is improved, and the healing of the tissue to be anastomosed is facilitated.

Claims

1. The utility model provides a structure is coincide to nail board-like which characterized in that: nail board (1) and buckle (2) that correspond each other including shape and size, at least, be provided with 1 anastomotic nail (3) on nail board (1), be provided with on buckle (2) with anastomotic nail (3) position assorted knot hole (4), the top of anastomotic nail (3) is provided with locking piece, the inboard edge of knot hole (4) is provided with and locks locking piece matched with down the locking piece, can fix the nail foot of anastomotic nail (3) in knot hole (4) of buckle (2) through locking piece and lower locking piece, nail board (1) and buckle (2) will be treated anastomotic tissue centre gripping and coincide fixedly.

2. The pegboard anastomosis structure of claim 1, wherein: go up fastener for setting up buckle (5) on coincide nail (3) top, buckle (5) are umbelliform, the top of buckle (5) is most advanced form, the end of buckle (5) is provided with the draw-in groove.

3. The pegboard anastomosis structure of claim 1, wherein: go up retaining member for setting up 1 at least buckle (5) on coincide nail top, the top of buckle (5) is most advanced form, the end of buckle (5) is provided with the draw-in groove.

4. The pegboard anastomosis structure of claim 2 or claim 3, wherein: lower retaining member is at least one buckle tongue (6) of setting in detaining hole (4), buckle tongue (6) are barb card form, buckle tongue (6) can block and establish on the draw-in groove of buckle (5).

5. The pegboard anastomosis structure of claim 1, wherein: the distance between the edge of the nail plate (1) and the nail foot of the anastomosis nail (3) is at least 0.1mm.

6. The pegboard anastomosis structure of claim 1, wherein: the surfaces of the nail plate (1) and the buckle plate (2) are covered with a layer of cushion belt (7).

7. The pegboard anastomosis structure of claim 1, wherein: the nail plate (1) and the buckle plate (2) are any one or more of a '9520' -shape, a '9602' -shape, a '9547' -shape, an 'I' -shape, a 'Z' -shape or an 'EXPEROUS' -shape.