CN219000410U

CN219000410U - Nail plate type anastomosis structure

Info

Publication number: CN219000410U
Application number: CN202222783896.8U
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: 2023-05-12
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a nail plate type anastomosis structure which comprises a nail plate and a buckle plate, wherein the shape and the size of the nail plate and the buckle plate are mutually corresponding, at least 1 anastomosis nail is arranged on the nail plate, a buckling hole matched with the position of the anastomosis nail is formed in the buckle plate, an upper locking piece is arranged at the top end of the anastomosis nail, a lower locking piece matched with the upper locking piece is arranged at the inner side edge of the buckling hole, the anastomosis nail can be clamped on the buckle plate through the upper locking piece and the lower locking piece, and the nail feet of the anastomosis nail are contacted with the surface of the buckle plate to clamp tissues to be anastomosed between the nail plate and the buckle plate for anastomosis fixation. According to the utility model, through the anastomotic structure of the nail plate and the buckle plate, the fixing area of the anastomotic tissue can be increased, the stability of an anastomotic orifice is improved, and the phenomenon of blood seepage and liquid leakage at the nail orifice is reduced by the tissue around the nail orifice of the anastomotic nail under the action of the pressure of the nail plate and the buckle plate.

Description

Nail plate type anastomosis structure

Technical Field

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

Background

Surgical staplers are widely used clinically because of their advantage of being able to perform anastomosis and cutting simultaneously. The anastomat can simplify the operation, shorten the time and conform to the minimally invasive development of the surgery. The anastomotic part of the clinical anastomat such as a linear anastomat and a circular anorectal anastomat has the same structure and working principle as that of a staple, and two legs of the staple with a U-shaped structure pass through tissues under the extrusion action of external force and then are reversed into a B shape in a plastic groove on a chopping board, and the tissues to be anastomosed are fastened in two cavities of the B by the two legs in an inward holding way. Because the two nail legs need to be reversely shaped, the hardness and the thickness of the nail legs are limited, the puncture hardness and the reversible thickness can be selected, when the fixed tissue is dropsy or stimulated to shrink, the nail legs of the fixed tissue can be gradually spread, the fixation is loose and the conditions of anastomotic stoma and seepage and blood seepage are caused, and the phenomena of anastomotic stoma loosening and seepage and blood seepage are easy to occur clinically because the cut wound surface dropsy and shrink are the necessary conditions after operation. Numerous anastomotic nail punctures can cause risks that tissues cannot withstand when the anastomotic surface is covered with finely broken injuries, especially when anastomotic is performed on delicate or crisp tissues.

Disclosure of Invention

The utility model aims to solve the problems that when a plurality of conventional U-shaped anastomoses are used for fixation in clinical operations, the loosening of anastomotic stoma is easy to occur so as to cause blood seepage and anastomotic failure, the tissue of the anastomotic stoma is easy to loosen and heal slowly due to dense anastomoses, and the leakage around the nail feet is difficult to control.

The utility model adopts a technical scheme that: the utility model provides a nail plate formula anastomoses structure, includes nail plate and buckle that shape and size correspond each other, be provided with 1 anastomat on the nail plate at least, be provided with on the buckle with anastomat position assorted knot hole, the top of anastomat is provided with the retaining member, the inboard edge of knot hole is provided with the retaining member down with last retaining member matched with, can fix the nail foot of anastomat in the knot downthehole of buckle through last retaining member and lower retaining member, nail plate and buckle will wait to anastomose tissue centre gripping and anastomose fixedly.

Further, the upper locking piece is a buckle arranged at the top end of the anastomat, the buckle is umbrella-shaped, the top end of the buckle is pointed, and the tail end of the buckle is provided with a clamping groove.

Further, the upper locking piece is a buckle arranged at the top end of the anastomat, the top end of the buckle is in a tip shape, and the tail end of the buckle is provided with a clamping groove.

Further, the lower locking piece is at least one buckling tongue arranged in the buckling hole, the buckling tongue is in a barb clamping shape, and the buckling tongue can be clamped on a clamping groove of the buckle.

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

Further, the surfaces of the nail plate and the buckle plate are covered with a layer of cushion strips.

Further, the nail plate and the buckle plate are any one or more of ' shape ', ' ▂ ' shape ', ' ╋ ', ' I ' shape or ' very good ' shape.

The utility model has the following advantages:

(1) The utility model has simple structure and compact design, the anastomotic structure adopts the mode of combining the nail plate and the buckle plate, thereby enlarging the anastomotic fixing area, reducing the trauma of anastomotic tissues, ensuring that the anastomotic surface of the tissue to be anastomosed is compact and uniform, compacting the tissues around the nail holes of the anastomotic nail and preventing the occurrence of seepage and blood seepage to influence the healing of the anastomotic stoma.

(2) The anastomotic nail and the buckling hole are connected through the locking piece, so that the anastomotic tissue is fixed stably, the phenomenon of loosening of the anastomotic site caused by edema or shrinkage of the tissue at the anastomotic site caused by stimulation is avoided, and the rapid healing of the tissue at the anastomotic site is facilitated.

(3) The utility model is convenient to use, and can select a plurality of anastomotic structures to splice 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 utility model.

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

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

Fig. 4 is a schematic structural view of a buckle plate according to a second embodiment of the present utility model.

Fig. 5 is a schematic diagram showing connection between the upper locking member and the lower locking member according to the first embodiment of the present utility model.

Fig. 6 is a schematic connection diagram of an upper locking member and a lower locking member according to a second embodiment of the present utility model.

Fig. 7 is a schematic structural view of a plurality of nail plates spliced and combined in the utility model.

Fig. 8 is a schematic view of the use of the pegboard and gusset of the present utility model.

Reference numerals illustrate: nail plate 1, buckle plate 2, anastomat 3, button hole 4, buckle 5, buckle tongue 6 and flap 7.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Example 1: as shown in fig. 1, 2 and 5, a nail plate type anastomosis structure comprises a nail plate 1 and a buckle plate 2, wherein the shape and the size of the nail plate 1 and the buckle plate 2 are mutually corresponding, at least 2 anastomoses 3 are arranged on the nail plate 1, buckling holes 4 matched with the anastomoses 3 in number and position are arranged on the buckle plate 2, an upper locking piece is arranged on the anastomoses 3, a lower locking piece corresponding to the upper locking piece is correspondingly arranged on the buckling holes 4, and the nail feet of the anastomoses 3 can be contacted with the surface of the buckle plate 2 through the upper locking piece and the lower locking piece so as to clamp and anastomose tissue parts to be anastomosed. The upper locking piece is a buckle 5 arranged at the top end of the anastomotic nail 3, the buckle 5 is umbrella-shaped, the top end of the buckle 5 is pointed, and the tail end of the buckle 5 is provided with a clamping groove; the lower locking piece is provided with two symmetrical buckling tongues 6 at the inner side of the buckling hole 4, the buckling tongues 6 are in the shape of barb clamping sheets, and the buckling tongues 6 can be clamped on the clamping grooves.

The edge of the nail plate 1 comprises a blank edge area with the thickness of at least 0.1mm, a layer of cushion belts 7 are respectively paved on the surfaces of the nail plate 1 and the pinch plate 2, the cushion belts 7 can enable a plurality of nail plates or a plurality of pinch plates to be connected into a whole, and the nail plate 1 and the pinch plate 2 are of any one of a straight line structure, a cross structure, a T shape or a ring structure. The nail plate 1, the buckle plate 2 and the anastomat 3 are made of biocompatible metal materials or polymer materials (absorbable or non-absorbable).

Example 2:

as shown in fig. 3, 4 and 6, the nail plate 1 and the corresponding buckle plate 2 are T-shaped, 3 staples 3 are arranged on the nail plate 1, one upper locking member buckle 5 on the staples 3 is arranged on one side of the top end of the staples 3, the top end of the buckle 5 is pointed, a clamping groove is formed in the tail end of the buckle 5, and a lower locking member buckle tongue 6 is arranged on a buckle hole of the buckle plate 2. The nail plates 1 are combined and used, and a layer of cushion strips is covered on the surfaces of the nail plates 1. The nail plate 1, the buckle plate 2 and the anastomat 3 are made of biocompatible metal materials or polymer materials (absorbable or non-absorbable).

The using method comprises the following steps: as shown in fig. 7, a single anastomotic structure or a plurality of anastomotic structures are selected to be used in combination according to the size of an incision of a tissue to be anastomosed clinically, the anastomotic structure needs to be assembled into an anastomat matched with the anastomotic structure for use, wherein a plurality of nail plates are sequentially spliced to the surface of a nail bin of the anastomat, the arrangement sequence of the corresponding nail plates of the buckle plates is spliced to the surface of a nail seat of the anastomat, and two adjacent splicing seams need to be ensured not to be positioned on the same straight line in the splicing process, so that the splicing seams vertically communicated with the anastomotic opening are prevented from occurring, and the risk of bleeding and leakage of the anastomosed tissue is reduced. As shown in fig. 8, a layer of flexible cushion layer is respectively covered on the surfaces of the nail plate and the buckle plate, so that the spliced anastomotic structure is ensured to keep integrity on the anastomotic surface. Under the action of the external thrust of the anastomat, the upper locking piece of the anastomat on the nail plate penetrates through tissues and is combined with the lower locking piece in the buckling hole on the buckle plate, wherein the buckling tongue of the lower locking piece is clamped with the clamping groove of the upper locking piece, the tissues to be anastomosed are clamped and connected by the nail plate and the buckle plate, the anastomat cannot be pulled out when being connected to the buckle plate, the non-invasive fixation anastomosis area and the anastomosis stability are increased by the nail plate and the buckle plate, the covering pressure of the nail plate and the buckle plate is arranged around the nail foot of the anastomat, the reliable blocking effect is provided for the blood leakage of the nail hole on the anastomosed tissues, the firmness and the uniformity of the anastomotic opening can be ensured, the success rate of the tissues to be anastomosed can be improved, and the healing of the tissues to be facilitated.

Claims

1. The utility model provides a nail plate formula structure of coincide which characterized in that: including nail board (1) and buckle (2) that shape and size correspond each other, be provided with 1 anastomat (3) on nail board (1), be provided with on buckle (2) with anastomat (3) position assorted knot hole (4), the top of anastomat (3) is provided with the retaining member, the inboard edge of knot hole (4) is provided with the retaining member under with last retaining member matched with, can fix the nail foot of anastomat (3) in the knot hole (4) of buckle (2) through last retaining member and lower retaining member, nail board (1) and buckle (2) are with waiting anastomotic tissue centre gripping and anastomotic fixation.

2. The pegboard anastomosis structure of claim 1, wherein: the upper locking piece is a buckle (5) arranged at the top end of the anastomat (3), the buckle (5) is umbrella-shaped, the top end of the buckle (5) is pointed, and the tail end of the buckle (5) is provided with a clamping groove.

3. The pegboard anastomosis structure of claim 1, wherein: the upper locking piece is at least 1 buckle (5) arranged at the top end of the anastomat, the top end of the buckle (5) is in a tip shape, and the tail end of the buckle (5) is provided with a clamping groove.

4. A pegboard-type anastomosis according to claim 2 or claim 3, wherein: the lower locking piece is at least one buckling tongue (6) arranged in the buckling hole (4), the buckling tongue (6) is in a barb clamping shape, and the buckling tongue (6) can be clamped on a clamping groove of the 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 anastomotic 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 'shape', '▂' shape ',' ╋ ',' I '-shape', 'Z' -shape or 'excellent' shape.