CN110403655B

CN110403655B - Adjustable suture

Info

Publication number: CN110403655B
Application number: CN201910676557.XA
Authority: CN
Inventors: 立欣彤; 立全晰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2022-04-08
Anticipated expiration: 2039-07-25
Also published as: CN110403655A; WO2021012594A1

Abstract

The invention discloses an adjustable suture, which comprises a micro locking mechanism and a suture main body, wherein the micro locking mechanism consists of an outer shell, a limiting plate and a pressure limiting wheel, a suture fixing ring is fixedly connected to the outer wall of one end of the outer shell, and one end of the suture main body is wound on the ring wall of the suture fixing ring and fixedly connected with the suture fixing ring, so that the adjustable suture has the following beneficial effects that: the adjustable suture can be stretched along with the conditions of tissue edema and the like after the tissue is sutured or ligated, and can also be shortened along with the fading of the tissue edema, so that a wound of the tissue keeps relatively lasting pressure in the healing process.

Description

Adjustable suture

Technical Field

The invention relates to a suture, in particular to an adjustable suture, and belongs to the technical field of medical sutures.

Background

Medical sutures are used in surgical procedures and are classified as non-absorbable and absorbable by the human body. The former includes natural fibers and synthetic fibers, and the latter includes natural polymer materials and synthetic polymer materials. The length of the existing suture is relatively fixed after suturing, is difficult to actively adjust, and cannot be fully suitable for the physiological change process of most tissues during suturing, fixing and ligating.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an adjustable suture to solve the problems in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to an adjustable suture, which comprises a micro locking mechanism and a suture main body, wherein the micro locking mechanism consists of an outer shell, a limiting plate and a pressure limiting wheel, a suture fixing ring is fixedly connected to the outer wall of one end of the outer shell, one end of the suture main body is wound on the ring wall of the suture fixing ring and fixedly connected with the ring wall, a thread hole is formed in one end, away from the suture fixing ring, of the outer shell, and one end, away from the suture fixing ring, of the suture main body penetrates through the thread hole and extends into the outer shell.

As a preferred technical scheme of the invention, two limiting plates and two pressure limiting wheels are arranged, the two limiting plates and the two pressure limiting wheels are arranged inside an outer shell, the two limiting plates are respectively arranged at two ends of the two pressure limiting wheels, the two limiting plates are fixedly connected with the inner wall of the outer shell, two ends of the pressure limiting wheels are respectively fixedly connected with a first rotating shaft and a second rotating shaft, the shaft walls of the first rotating shaft and the second rotating shaft are respectively and rotatably connected with a first limiting slide block, the plate wall of each limiting plate is provided with a first limiting slide groove corresponding to the first limiting slide block, the first limiting slide grooves are matched with the first limiting slide blocks, the first limiting slide blocks are slidably connected inside the first limiting slide grooves, one ends, close to the opposite far ends, of the two first limiting slide blocks are respectively and fixedly connected with a first elastic spring, and the other ends of the first elastic springs are fixedly connected with the inner walls of the first limiting slide grooves, one end of the first rotating shaft penetrating through the first limiting slide block is provided with a locking plate, and two locking grooves are formed in the locking plate.

As a preferred technical scheme of the invention, a locking block is arranged inside the locking groove, the locking block and the locking groove are arranged in a matched manner, the locking block is fixedly connected with a first rotating shaft, the top of the locking plate is fixedly connected with a pressure lever, the other end of the pressure lever penetrates through the outer shell, the bottom of the locking plate is fixedly connected with a second elastic spring, the other end of the second elastic spring is fixedly connected with an adjacent limiting plate, two second rotating shafts penetrate through the shaft wall at one end of the first limiting slide block and are fixedly connected with first gears, the two first gears are meshed and connected, a second gear is rotatably connected to the inner wall of the outer shell through a third rotating shaft, the second gear is fixedly connected to the shaft wall of the third rotating shaft, and the second gear is meshed and connected with one of the two first gears.

As a preferred technical scheme of the present invention, the side walls on both sides of the first limiting slide block are fixedly connected with second limiting slide blocks, the inner walls on both sides of the first limiting slide groove are respectively provided with a second limiting slide groove corresponding to the second limiting slide block, the second limiting slide grooves are matched with the second limiting slide blocks, and the second limiting slide blocks are slidably connected inside the second limiting slide grooves.

As a preferable technical scheme of the invention, thirty-six locking teeth are arranged on the outer wall of the locking block, and the locking grooves are matched with the locking block.

According to a preferable technical scheme of the invention, a pressing plate is fixedly connected to the wall of the pressure lever, which extends out of one end of the outer shell, a pressing groove is formed in the outer wall of the outer shell corresponding to the pressing plate, and the depth of the pressing groove is greater than the thickness of the locking block.

In a preferred embodiment of the present invention, the first gear diameter and the second gear diameter are the same in size, and the number of teeth of the first gear and the number of teeth of the second gear are thirty-six.

As a preferable technical solution of the present invention, an end of the third rotating shaft, which is far away from the second gear, extends out of the outer housing, and a shifting block is fixedly connected to a shaft wall of the end of the third rotating shaft, which extends out of the outer housing.

As a preferable technical scheme of the invention, the suture main body uses a common medical suture with a non-elastic structure or is made of a high-elasticity material.

The invention has the following beneficial effects: the adjustable suture can be stretched along with the conditions of tissue edema and the like after the tissue is sutured or ligated, and can also be shortened along with the fading of the tissue edema, so that a wound of the tissue keeps relatively lasting pressure in the healing process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the micro latch mechanism of the present invention in use;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of portion C of FIG. 2;

FIG. 6 is a schematic diagram of a limiting plate according to the present invention;

FIG. 7 is a schematic view of the construction of the lock plate of the present invention;

fig. 8 is a schematic structural view of the meshing connection of the first gear and the second gear in the present invention.

In the figure: 1. a micro locking mechanism; 11. an outer housing; 12. a limiting plate; 13. a pressure limiting wheel; 14. a first rotating shaft; 15. a second rotating shaft; 16. a first limit slide block; 17. a first limiting chute; 18. a first elastic spring; 19. a second limit slide block; 110. a second limiting chute; 111. a locking block; 112. a locking plate; 113. locking the groove; 114. a pressure lever; 115. pressing a plate; 116. pressing a groove; 117. a second elastic spring; 118. a first gear; 119. a third rotating shaft; 120. a second gear; 121. shifting blocks; 2. a suture body; 3. a suture fixing ring; 4. a wire hole.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in fig. 1 to 8, the invention provides an adjustable suture, which comprises a micro locking mechanism 1 and a suture main body 2, wherein the micro locking mechanism 1 is composed of an outer shell 11, a limiting plate 12 and a pressure limiting wheel 13, a suture fixing ring 3 is fixedly connected to the outer wall of one end of the outer shell 11, one end of the suture main body 2 is wound on the ring wall of the suture fixing ring 3 and fixedly connected, a thread hole 4 is formed in one end of the outer shell 11, which is far away from the suture fixing ring 3, and one end of the suture main body 2, which is far away from the suture fixing ring 3, extends to the inside of the outer shell 11 through the thread hole 4.

The two limiting plates 12 and the two limiting wheels 13 are arranged, the two limiting plates 12 and the two limiting wheels 13 are arranged inside the outer shell 11, the two limiting plates 12 are respectively arranged at two ends of the two limiting wheels 13, the two limiting plates 12 are fixedly connected with the inner wall of the outer shell 11, two ends of the limiting wheel 13 are respectively fixedly connected with a first rotating shaft 14 and a second rotating shaft 15, shaft walls of the first rotating shaft 14 and the second rotating shaft 15 are respectively and rotatably connected with a first limiting slide block 16, a first limiting slide groove 17 is arranged on the plate wall of the limiting plate 12 corresponding to the first limiting slide block 16, the first limiting slide groove 17 is matched with the first limiting slide block 16, the first limiting slide block 16 is slidably connected inside the first limiting slide groove 17, and one ends of the two first limiting slide blocks 16 close to the relatively far away ends are both fixedly connected with a first elastic spring 18, the other end of the first elastic spring 18 is fixedly connected with the inner wall of the first limiting sliding groove 16, a locking plate 112 is arranged at one end of the first rotating shaft 14, which penetrates through the first limiting sliding block 16, and two locking grooves 113 are formed in the locking plate 112.

The inside of locked groove 113 is provided with locking piece 111, locking piece 111 sets up with locked groove 113 phase-match, just locking piece 111 and first pivot 14 fixed connection, the top fixedly connected with depression bar 114 of jam plate 112, shell body 11 is passed to the other end of depression bar 114, the bottom fixedly connected with second elastic spring 117 of jam plate 112, the other end and the adjacent limiting plate 12 fixed connection of second elastic spring 117, two equal fixed connection first gear 118, two on second pivot 15 passes the axle wall of first limit slider 17 one end first gear 118 meshing connection, it is connected with second gear 120 to rotate through third pivot 119 on the inner wall of shell body 11, second gear 120 fixed connection is on the axle wall of third pivot 119, second gear 120 is connected with the meshing of two first gears 118.

Equal fixedly connected with second limiting slide 19 on the lateral wall of first limiting slide 16 both sides, all correspond second limiting slide 19 on the inner wall of first limiting slide 17 both sides and seted up second limiting slide 110, second limiting slide 110 and the setting of second limiting slide 19 phase-match, just second limiting slide 19 sliding connection is in the inside of second limiting slide 110.

Thirty-six locking teeth are arranged on the outer wall of the locking block 111, and the locking groove 113 is matched with the locking block 111.

The pressing rod 114 is fixedly connected with a pressing plate 115 on the rod wall extending out of one end of the outer shell 11, a pressing groove 116 is formed in the outer wall of the outer shell 11 corresponding to the pressing plate 115, and the depth of the pressing groove 116 is larger than the thickness of the locking block 111.

The diameter of the first gear 118 is the same as that of the second gear 120, and the number of teeth of the first gear 118 and the second gear 120 is thirty-six.

One end of the third rotating shaft 119, which is far away from the second gear 120, extends out of the outer shell 11, and a shifting block 121 is fixedly connected to a shaft wall of one end of the third rotating shaft 119, which extends out of the outer shell 11.

The suture main body 2 is made of common medical suture with non-elastic structure or high-elasticity material, and the suture main body 2 is made of high-elasticity latex material.

Specifically, when the invention is used, the suture main body 2 can be stretched along with the condition of the edema of the tissue and can be shortened along with the regression of the edema of the tissue after the tissue is sutured or ligated, so that the wound can keep a relatively durable pressure in the healing process of the tissue, the product has slow cutting action of the low-tension suture to the tissue, generally more than three days to completely cut the tissue, meanwhile, the suture adopts a high-elasticity latex material, has a very strong stretching function, is in a certain tension stretching state when initially acting, is stretched once under the state, the tension of the suture is increased generally not more than 10 times, is contracted to two thirds originally, the tension of the suture is reduced not more than 90 percent originally, the micro locking mechanisms 1 arranged in the invention are fixed at two ends of the suture, and can relax the suture when the tension is larger than a set range after the tissue is sutured or ligated and fixed, when the tension reaches the set value range, the suture can be tightened when the tension is smaller than the set range, the tension reaches the set range, when the micro locking mechanism 1 is used, one end of the suture main body 2 is wound and fixedly connected on the annular wall of the suture fixing ring 3, the other end of the suture stitches the wound, one end of the suture main body 2, which is far away from the suture fixing ring 3, is inserted into the outer shell 11 through the thread hole 4, the pressing rod 114 is pressed through the pressing plate 115, when the pressing plate 115 presses the temporal part of the pressing groove 116, the locking block 111 is separated from the locking groove 113 on the locking plate 112, so that the distance between the pressure limiting wheels 13 can be adjusted, the insertion of the suture main body 2 is convenient, when the suture main body 2 is positioned between the two pressure limiting wheels 13, the two pressure limiting wheels 13 move towards one adjacent side under the elastic force of the four first elastic springs 18 to clamp the suture main body 2, drive third pivot 119 through shifting block 121 and rotate, third pivot 119 can drive the second gear 120 rotation of meshing with it when rotating, two reverse rotations of second gear 120, can drive suture main part 2 and stretch out and draw back, thereby realize the regulation to the suture, adjust the completion back, loosen the clamp plate 115 of pressing down, clamp plate 115 resets under the elastic force effect of second elastic spring 117, locking block 111 joint is in the inside of locked groove 113, make two limit pressure wheels 13 unable rotations, thereby effectually avoided the patient to touch shifting block 121 carelessly and drive the suture and stretch out and draw back.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The adjustable suture is characterized by comprising a miniature locking mechanism (1) and a suture main body (2), wherein the miniature locking mechanism (1) consists of a shell body (11), a limiting plate (12) and a pressure limiting wheel (13), a suture fixing ring (3) is fixedly connected to the outer wall of one end of the shell body (11), one end of the suture main body (2) is wound on the ring wall of the suture fixing ring (3) and fixedly connected to the ring wall, a thread hole (4) is formed in one end, away from the suture fixing ring (3), of the shell body (11), one end, away from the suture fixing ring (3), of the suture main body (2) penetrates through the thread hole (4) and extends to the inside of the shell body (11), the limiting plate (12) and the pressure limiting wheel (13) are both provided with two, the two limiting plates (12) and the pressure limiting wheel (13) are both arranged inside the shell body (11), and the two limiting plates (12) are respectively arranged at both ends of the two pressure limiting wheels (13), the two limiting plates (12) are fixedly connected with the inner wall of the outer shell (11), two ends of the limiting wheel (13) are respectively fixedly connected with a first rotating shaft (14) and a second rotating shaft (15), the shaft walls of the first rotating shaft (14) and the second rotating shaft (15) are respectively and rotatably connected with a first limiting slide block (16), the plate wall of the limiting plate (12) is provided with a first limiting slide groove (17) corresponding to the first limiting slide block (16), the first limiting slide groove (17) and the first limiting slide block (16) are arranged in a matched manner, the first limiting slide block (16) is slidably connected inside the first limiting slide groove (17), one ends, close to the opposite far away ends, of the two first limiting slide blocks (16) are respectively and fixedly connected with a first elastic spring (18), the other end of the first elastic spring (18) is fixedly connected with the inner wall of the first limiting slide groove (17), one end of the first rotating shaft (14) penetrating through the first limiting slider (16) is provided with a locking plate (112), two locking grooves (113) are formed in the locking plate (112), a locking block (111) is arranged inside each locking groove (113), the locking block (111) is matched with the locking grooves (113), the locking block (111) is fixedly connected with the first rotating shaft (14), the top of the locking plate (112) is fixedly connected with a pressing rod (114), the other end of the pressing rod (114) penetrates through the outer shell (11), the bottom of the locking plate (112) is fixedly connected with a second elastic spring (117), the other end of the second elastic spring (117) is fixedly connected with an adjacent limiting plate (12), two second rotating shafts (15) penetrate through shaft walls at one end of the first limiting slider (16) and are fixedly connected with first gears (118), and the two first gears (118) are meshed, the inner wall of the outer shell (11) is rotatably connected with a second gear (120) through a third rotating shaft (119), the second gear (120) is fixedly connected to the shaft wall of the third rotating shaft (119), the second gear (120) is meshed with one of the two first gears (118) to be connected, and the suture main body (2) is made of a common medical suture with a non-elastic structure or a high-elasticity material.

2. The adjustable suture line according to claim 1, wherein the side walls of both sides of the first limit sliding block (16) are fixedly connected with second limit sliding blocks (19), the inner walls of both sides of the first limit sliding groove (17) are respectively provided with a second limit sliding groove (110) corresponding to the second limit sliding block (19), the second limit sliding groove (110) is matched with the second limit sliding block (19), and the second limit sliding block (19) is slidably connected inside the second limit sliding groove (110).

3. An adjustable suture according to claim 1 wherein thirty-six locking teeth are provided on the outer wall of said locking block (111) and said locking groove (113) is arranged to mate with said locking block (111).

4. The adjustable suture according to claim 1, wherein a pressing plate (115) is fixedly connected to a wall of the pressing rod (114) extending out of one end of the outer shell (11), a pressing groove (116) is formed in the outer wall of the outer shell (11) corresponding to the pressing plate (115), and the depth of the pressing groove (116) is larger than the thickness of the locking block (111).

5. An adjustable suture according to claim 3 wherein said first gear (118) diameter and said second gear (120) diameter are the same size and said first gear (118) and said second gear (120) each have thirty-six teeth.

6. An adjustable suture according to claim 1 wherein the end of the third shaft (119) remote from the second gear (120) extends out of the outer housing (11), and a dial (121) is fixedly attached to the wall of the shaft at the end of the third shaft (119) extending out of the outer housing (11).