CN214907491U

CN214907491U - Bidirectional barbed suture and suture assembly

Info

Publication number: CN214907491U
Application number: CN202120636442.0U
Authority: CN
Inventors: 谢峰; 吴敏; 周生亮; 顾婕妤
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-30
Anticipated expiration: 2031-03-29

Abstract

The embodiment of the application discloses two-way barb stylolite and stylolite subassembly, the stylolite includes: barb line body, first lead wire, second lead wire, first lasso and second lasso, wherein, first lead wire with the second lead wire set up respectively in barb line body both ends, first lasso with the second lasso passes through respectively first lead wire, second lead wire with the both ends of barb line body are connected, follow on the barb line body the stylolite be provided with for the arrowhead form barb of the midpoint dorsad distribution of barb line body. The suture assembly comprises at least one bidirectional barb suture, a fixing part body and a protective sleeve. Utilize two-way barb suture of this application to sew up tangent line both sides wound subcutaneous and dermal tissue, it is better to subtract a effect, and adopts two-way barb suture line to reduce the operation degree of difficulty, is applicable to plastic surgery and sews up.

Description

Bidirectional barbed suture and suture assembly

Technical Field

The application relates to the field of medical equipment, concretely relates to two-way barb stylolite and stylolite subassembly.

Background

Body surface tumors, trauma, scars, etc. are common diseases in plastic surgery, and for the treatment of such deformity, resection and suture are usually adopted. In order to minimize post-operative scarring in patients, it is important to use stretch-reducing sutures, which are also a classic technique in orthopedic surgery. However, conventional tension-reducing sutures often use a thread or absorbable thread to intermittently suture under the skin, which has significant disadvantages: firstly, the width of the tissue brought by the traditional suture is narrow, and the tension reducing effect is limited; secondly, the intermittent subcutaneous suture is complicated in operation and long in suture time, and increases the anesthesia risk for general anesthesia patients; thirdly, the conditions of untightening and loosening of the knot are easy to occur, and the due tension reducing effect cannot be achieved.

The existing barb lines applied in other departments have great problems, which mainly comprise: the traditional barbed thread is only unidirectional, needs to be sutured along the incision direction for a long distance, increases the operation difficulty of an operator and the winding condition during suturing, and has no obvious advantages compared with the common suture due to less tissue quantity.

Disclosure of Invention

The application provides a two-way barb stylolite and stylolite subassembly is applicable to cosmetic stitching, relates to when having solved traditional subcutaneous sewing that the tissue is few, the effect of subtracting limits, operating time is long, loaded down with trivial details, the easy pine scheduling problem that takes off. The application is simple in operation, exact in effect and high in practicability.

The present application provides a bi-directional barbed suture, the suture comprising: barb line body, first lead wire, second lead wire, first lasso and second lasso, wherein, first lead wire with the second lead wire set up respectively in barb line body both ends, first lasso with the second lasso passes through respectively first lead wire, second lead wire with the both ends of barb line body are connected, follow on the barb line body the stylolite be provided with for the arrowhead form barb of the midpoint dorsad distribution of barb line body.

Optionally, in some embodiments of the present application, the barb line body is provided with an arrow-shaped barb symmetric on left and right sides around a midpoint, the barb arrow on the left side of the midpoint is leftward, and the barb arrow on the right side of the midpoint is rightward; the adoption of the bidirectional agnail suture reduces the operation difficulty of an operator and reduces the winding condition during the suture.

Optionally, in some embodiments of the present application, the arrowhead barbs are symmetrically and equidistantly distributed with respect to a midpoint of the barb line body.

Optionally, in some embodiments of the present application, the lengths of the left side and the right side of the barb line body are equal, and the lengths of the left side and the right side are respectively 3-8 cm; preferably, the length of the barb line body is 5cm on the left side and the right side by taking the midpoint as a boundary.

Optionally, in some embodiments of the present application, a horizontal distance between two arrows on the same side of the barb line body is 0.5-2 mm; preferably, the horizontal distance between two arrows on the same side of the barb line body is 1 mm.

Optionally, in some embodiments of the present application, an included angle between the barb and a horizontal line of the barb line body is 30 ° to 45 °; preferably the barb is angled at 45 ° to the horizontal of the barb line body.

Optionally, in some embodiments of the present application, the barb length is 0.2-1 mm; preferably, the barb length is 0.5 mm.

Optionally, in some embodiments of the present application, the first and second leads are not provided with barbs; the length of the lead is 3-8 cm, and preferably, the length of the lead is 5 cm; the lead is used for preventing the deviation of the insertion point of the operator.

Optionally, in some embodiments of the present application, two ends of the bidirectional barbed suture are respectively provided with a sewing needle, one end of the sewing needle is provided with a clamping groove, and the first loop and the second loop of the bidirectional barbed suture are respectively embedded into the clamping grooves of the two sewing needles.

Optionally, in some embodiments of the present application, the needle is an arcuate needle.

Optionally, in some embodiments of the present application, the slot is a curved surface, the diameter of the slot is the diameter of the ferrule, the circumference of the slot is the circumference of the ferrule, and the ferrule may be inserted into the slot for precisely fixing the barbed wire without damaging the sutured tissue due to the slot.

Optionally, in some embodiments of the present application, the ferrule diameter is 1.5-2.5 mm, and preferably, the ferrule diameter is 2 mm.

Correspondingly, this application still provides a suture subassembly, includes at least one two-way barb suture, fixed part body and protective sheath.

Optionally, in some embodiments of the present application, a plurality of pairs of locking grooves are disposed on the fixing portion body, and the first loop and the second loop of each bidirectional barbed suture are respectively fixed by a pair of locking grooves.

Optionally, in some embodiments of the present application, the number of the sutures and the number of the needles that the fixing portion body can fix are not limited, and may be determined according to the size of the wound, the number of the subcutaneous tension-reducing needles, for example; preferably, the fixing part body fixes 10 suture lines and 2 suture needles; a group of 10 suture lines are adopted, two sewing needles are shared, the cost is reduced, and the cost performance is improved.

Optionally, in some embodiments of this application, the protective sheath is hollow circular cylinder, the protective sheath is located suture line periphery and parcel the suture line, the central line of protective sheath with the coincidence of the central line of barb line body, the length of protective sheath is the same with barb line body length, the protective sheath is the silica gel material, can protect the art person, stab the hand when preventing to prepare to avoid taking place winding situation before sewing up.

Optionally, in some embodiments of the present application, a drawing line is disposed on the protective sheath, the drawing line may be any color easy to distinguish, the length of the drawing line is greater than the length of the protective sheath, 1-3 cm is left at the tail end of the drawing line to facilitate tearing, and preferably, 2cm is left at the tail end of the drawing line.

The embodiment of the application adopts two-way barb stylolite and stylolite subassembly to be used for subcutaneous tension reducing to sew up, has following beneficial effect:

1) this application adopts a set of suture design, even makes every line length moderate, also makes the operation more succinct.

2) The wound-skin tension-reducing suture is clear in tension-reducing effect, large in tissue quantity and exact in depth, and is used for wound suture, and particularly suitable for subcutaneous tension-reducing suture of wounds with regular incisal edges.

3) By adopting the design of the protective sleeve, the surgeon can be effectively protected in the preparation and operation processes, and unnecessary cutting damage to surrounding tissues can be protected.

4) The two-end lead design of this application can make the art person have the chance of sewing up again, has avoided phenomenon such as the suture is extravagant, tissue damage that leads to because judge inaccurately.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall construction of a bi-directional barbed suture assembly;

FIG. 2 is a schematic view of a single suture construction;

FIG. 3 is a partial detail view of a suture;

FIG. 4 is a generally schematic view of a needle;

FIG. 5 is a schematic front view of the needle;

figure 6 is a schematic view of a protective sheath construction.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.

The embodiment of the application provides a two-way barb suture line and suture line subassembly. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

EXAMPLE I Structure of Bi-directional barbed suture and suture Assembly for subcutaneous tension relief suture

Preferred embodiments of a bi-directional barbed suture and suture assembly for subcutaneous tension relief sutures are provided.

As shown in fig. 1, the present invention provides a bi-directional barbed suture and suture assembly, comprising: suture 8, sewing needle 5, fixed part body 4, protective sheath 3. The suture 8 comprises a barbed wire body 1, a lead wire 2 and a ferrule 7. Lead wire 2 is located barb line body 1 both ends, lasso 7 passes through lead wire 2 with barb line body 1 is connected. The fixing part body 4 is provided with a fixing clamping groove 6, and the fixing part is fixed with ten suture lines 8 and two sewing needles 5. The protective sleeve 3 is positioned on the periphery of the suture 8 and wraps the suture 8.

Fig. 2 is a schematic view of a single suture structure. The single suture includes: left barbed wire body 9, first lead wire 10, first ferrule 24, barbed wire body centerline 11, right barbed wire body 12, second lead wire 13, and second ferrule 25. The length of the left barb line body 9 and the length of the right barb line body 12 are both 5cm, the barbs are reverse barbs, the number of the barbs is the same, and the distance from the barbs to the center line 11 of the barb line body is the same; the first lead wire 10 is positioned at the tail end of the left barbed wire body 9, and the right second lead wire 13 is positioned at the tail end of the right barbed wire body 12; the lengths of the first lead wire 10 and the second lead wire 13 are both 5 cm; the first ferrule 24 and the second ferrule 25 are located at the tail ends of the first lead 10 and the second lead 13, respectively. The suture line is made of uniform materials, and the requirements of the manufacturing process and the cost are reduced.

A partial detail view of the suture on the right is shown in fig. 3. Horizontal distance 16 is 1mm between two arrows on the same side, the upper barb and the lower barb are symmetrical along the horizontal direction, included angle 15 between the barbs and the horizontal direction is 45 degrees, and barb length 14 is 0.5 mm.

As shown in fig. 4, the needle 5 includes a needle body 17 and a needle tip 18, the needle is an arc-shaped needle, the curvature radius 18 of the needle is 10cm, the angle 20 of the needle is 30 °, and the needle length can be calculated as follows: l2 pi r × 30/360 pi 2 pi × 10 × 30/360 pi 5.236 cm.

As shown in fig. 5, the needle 5 includes: a needle body 17, a needle tip 18 and a card slot 21. The total length of the needle 5 is 5.236cm, wherein the length of the needle body 17 is 4.236cm, and the length of the needle tip 18 is 1 cm. The clamping groove 21 is located at the tail end of the needle body 17, the clamping groove 21 is used for inserting the suture loop 7, the diameter of the clamping groove 21 is the diameter of the loop 7, the diameter of the clamping groove 21 is 2mm, and the circumference of the clamping groove 21 is the circumference of the loop 7.

Fig. 6 is a schematic view of the protective sheath. A drawing line 22 is arranged on the protective sleeve 3, and the central line 23 of the protective sleeve is superposed with the central line 11 of the barbed wire body. The drawing line 22 is blue in design and convenient to distinguish, the length of the drawing line is 12cm, and the tail end of the drawing line is kept at 2cm and is convenient to tear. Protective sheath 3 adopts the silica gel material, protective sheath 3 is hollow circular cylinder, and length is 10cm, just the same with 1 length of barb line body. The shell needs to be wrapped around the barbed wire body exactly, so that the radius of the shell is as follows: r0.5 × sin45 ° -0.354 cm.

EXAMPLE two methods of Using Bi-directional barbed sutures and suture assemblies for subcutaneous tension relief suturing

(1) Firstly, trimming and flattening two sides of a wound to be sutured, performing electrocoagulation hemostasis on subcutaneous tissues, and judging the length and the depth of the wound;

(2) estimating the number of subcutaneous tension-reducing suture needles according to the judgment result, and selecting a proper amount of suture threads for standby;

(3) two sewing needles 5 are respectively fixed with two side ferrules 7 at the tail end of one sewing thread, and the ferrules 7 are just inserted into a clamping groove 21 at the tail part of the sewing needle 5;

(4) clamping the middle and rear third part of a side sewing needle 5 by a needle holder, penetrating into tissues from a subcutaneous vertical wound surface, penetrating out of the epidermis, and ensuring that the horizontal distance between the needle entering and the needle exiting is about 5 cm;

(5) clamping the back one third of another sewing needle 5 by a needle holder, vertically penetrating into tissues from the subcutaneous surface of the wound on the other side, penetrating out of the epidermis, and ensuring that the horizontal distance between the needle entering and the needle exiting is about 5 cm;

(6) the operator judges whether the suture positions at the two sides are proper or not, and whether the needle outlet points and the needle inlet points at the two sides are positioned at the same level or not;

(7) if the sewing positions are all proper, tearing off the protective sleeve 3, cutting off the ferrules 7 at the two ends by using a thread cutter, and returning the two sewing needles 5;

(8) the lead 2 is evenly pulled out from both sides until the suture 8 is completely pulled into tissues at both sides respectively; note that the barb line body centerline 11 where the barbs change direction is located in the center of the cut;

(9) cutting the leads 2 at the two sides by using a thread scissors and finishing the sewing;

(10) the above procedure was repeated 5mm from the upper suture until the wound was completely closed.

While the embodiments of the present application provide a bi-directional barbed suture and a suture assembly, the principles and embodiments of the present application are described herein using specific examples, which are provided only to help understand the method and the core concept of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A bi-directional barbed suture, wherein said suture comprises: barb line body, first lead wire, second lead wire, first lasso and second lasso, wherein, first lead wire with the second lead wire set up respectively in barb line body both ends, first lasso with the second lasso passes through respectively first lead wire, second lead wire with the both ends of barb line body are connected, follow on the barb line body the stylolite be provided with for the arrowhead form barb of the midpoint dorsad distribution of barb line body.

2. The bi-directional barbed suture according to claim 1, wherein said barbed suture body is bounded by a midpoint by bilaterally symmetrical arrowhead-like barbs, said barbed arrow on the left side of the midpoint being to the left and said barbed arrow on the right side of the midpoint being to the right.

3. The bi-directional barbed suture according to claim 1 or 2, wherein the arrowhead barbs are symmetrically and equidistantly distributed with respect to the midpoint of the barbed suture body.

4. The bi-directional barbed suture according to claim 1, wherein the first and second leads are not barbed.

5. The bi-directional barbed suture according to claim 1, wherein a needle is provided at each of both ends of the bi-directional barbed suture, a slot is provided at one end of the needle, and the first and second loops of the bi-directional barbed suture are embedded in the slots of the two needles.

6. The bi-directional barbed suture according to claim 5, wherein said needle is an arcuate needle.

7. The bi-directional barbed suture according to claim 5, wherein said groove is curved, said groove diameter is a diameter of said ferrule, said groove circumference is a circumference of said ferrule, and said ferrule is nestable in said groove.

8. A suture assembly comprising at least one bi-directional barbed suture of claims 1-7, a retainer body, and a protective sleeve.

9. The suture assembly according to claim 8, wherein the anchor body defines a plurality of pairs of notches, and wherein the first and second loops of each bi-directional barbed suture are secured by a respective pair of the notches.

10. The suture assembly according to claim 8, wherein the protective sheath is hollow cylindrical, the protective sheath is disposed around and covers the suture, and a pull-off thread is disposed on the protective sheath.