CN111000609A - Cavity anastomosis device - Google Patents
Cavity anastomosis device Download PDFInfo
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- CN111000609A CN111000609A CN201911337646.8A CN201911337646A CN111000609A CN 111000609 A CN111000609 A CN 111000609A CN 201911337646 A CN201911337646 A CN 201911337646A CN 111000609 A CN111000609 A CN 111000609A
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- anastomosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1152—Staplers for performing anastomosis in a single operation applying the staples on the outside of the lumen
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
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Abstract
The invention discloses a cavity anastomosis device, which relates to the field of medical instruments and has the advantages that the anastomosis mode of an anastomosis opening is optimized, no suture material is left in the anastomosis opening after healing, the risk of sequelae is reduced, and the like; the specific scheme is as follows: the anastomosis ring comprises two anastomosis sub-rings, wherein anastomosis nails and anastomosis holes are arranged on the two anastomosis sub-rings in a matched manner; the anastomat comprises two anastomat sub-bodies which are movably connected, each anastomat sub-body comprises an annular forceps head with an opening and a forceps handle connected with the annular forceps head, and the forceps handles jointly form a handheld device. The orifice anastomosis device provided by the invention can realize the outward-turning anastomosis of the anastomosis orifice, thereby reducing the risk of sequelae; the anastomosis ring of the orifice anastomosis device is made of absorbable biological materials, and no suture materials are left at the anastomotic orifice after healing, so that the tissue foreign body reaction is reduced, and the orifice anastomosis device has the characteristics of safety and lower operation cost; the cavity anastomosis device has simple structure and good use effect.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a cavity anastomosis device.
Background
The anastomotic device is the first stapler worldwide and has been used for gastrointestinal anastomosis for nearly a century, and until 1978 tubular anastomotic devices were not widely used for gastrointestinal surgery. Generally classified as a single-use or multi-use anastomosis device, an imported or domestic anastomosis device. The anastomat is equipment used for replacing the traditional manual suturing in medicine, and due to the development of modern science and technology and the improvement of manufacturing technology, the clinically used anastomat has reliable quality, convenient use, tightness and proper tightness, particularly has the advantages of quick suturing, simple and convenient operation, few side effects, few operation complications and the like, and can also be used for excising the focus of a tumor operation which cannot be excised in the past.
In the existing cavity anastomosis device, a minimally invasive mode is used, an anastomosis ring is embedded into a cavity channel through an anastomat, then the cavity channel needing to be sutured is assisted to be folded inwards and fixed on the anastomosis ring, and the cavity channel is fixedly connected by applying force through the anastomat; the anastomosis ring is arranged in the device, so that a circle of scars can be generated in the healing process of the wounded and wounded parts, the cavity is gradually narrowed, and the cavity is easily blocked; the staple seat in the anastomosis ring is mostly made of degradable materials, and can be degraded in the subsequent process, but before complete degradation, rejection is easy to generate, a patient needs to spend a long recovery period, and the risk of great sequelae exists.
Disclosure of Invention
In order to solve the technical problems, the invention provides a lumen anastomosis device which has the advantages that the anastomosis way of the anastomosis opening is optimized, and no suture material is left in the anastomosis opening after healing. Reducing the risk of sequelae and the like.
The technical purpose of the invention is realized by the following technical scheme:
a cavity anastomosis device comprises an anastomosis ring and an anastomat, wherein the anastomosis ring comprises two anastomosis sub-rings, and anastomosis nails and anastomosis holes are arranged on the two anastomosis sub-rings in a matched mode; the anastomat comprises two anastomat sub-bodies which are movably connected, each anastomat sub-body comprises an annular forceps head with an opening and a forceps handle connected with the annular forceps head, and the forceps handles jointly form a handheld device.
By adopting the scheme, in the operation process, the two anastomotic sub-rings are respectively fixed by the two annular forceps heads with the openings, the two anastomotic sub-rings are stretched into the human body through the anastomat and reach the wound part, the two separated cavities are respectively fixed on the anastomotic nails of the two anastomotic sub-rings in an everting way by the assistance of the operation, and then the two anastomotic sub-rings are clamped together by triggering the anastomat; then separating the anastomosis sub-ring from the annular forceps head, wherein the separation mode comprises the steps of taking out the anastomosis sub-ring from an opening of the annular forceps head, respectively moving the annular forceps head and the anastomosis sub-ring up and down to separate, and taking out the anastomat; the annular forceps head can realize the fixation and the taking-out of the anastomosis sub-ring by arranging a limiting device, and can also play a role in fixing the anastomosis sub-ring after the anastomosis sub-ring is placed into the annular forceps head by using a material with certain elasticity, and is convenient to detach at the later stage; the specific triggering structure of the anastomat can be the same as the conventional triggering mode.
The technical scheme can realize that the anastomosis ring is arranged on the outer wall of the cavity, optimizes the anastomosis mode of the anastomosis port, reduces the foreign body sensation of a human body, and can avoid the corrosion of secretion in places with strong gastrointestinal secretion; under the condition of no corrosion, the materials of the anastomosis ring can be selected more, better economy can be realized, the pain of a patient is relieved, the recovery period of the patient is shortened, the risk of sequelae is reduced, and meanwhile, the operation cost can be reduced.
As a preferred scheme, anastomosis nails and anastomosis holes which are uniformly distributed and staggered are arranged on one anastomosis sub ring, and corresponding anastomosis holes and corresponding anastomosis nails are arranged on the other anastomosis sub ring in a matched manner; the two anastomotic rings can achieve the same quality, avoid pressure from deviating to one horizontal side, and have better cavity stitching effect due to even distribution.
As a preferred scheme, the two anastomotic rings are both elliptical in shape; the ellipse is relative to the circle, so that the area of a wound of a body can be reduced, and the anastomosis ring can be conveniently placed in the body; the pressure in different directions (different from the horizontal pressure) is selectively applied to different positions, so that the included angle between the direction of the pressure and the extending direction of the cavity wall is smaller, and the phenomenon that the included angle is too large is avoided, and the pressure only exists in the local position of the cavity.
As a preferred scheme, the two anastomosis rings only have a unique superposition connection mode; after the two anastomotic rings rotate 180 degrees relatively, the two anastomotic rings cannot be superposed, and the two anastomotic rings can be fixed and cannot rotate relatively through the anastomat before being triggered; or the positions of the anastomosis nails and the anastomosis holes are arranged, and after the anastomosis nails and the anastomosis holes are rotated by 180 degrees, the anastomosis nails and the anastomosis holes cannot correspond to each other one by one.
The preferred scheme can realize that the direction of the pressure can be changed by setting the thickness of the anastomosis ring in the production process of a manufacturer, and the direction of the pressure can be selectively set in the sewing process.
As a preferred scheme, the two anastomotic sub-ring materials are both degradable biological material polyglycolic acid, the section size of the head of the anastomotic nail at the joint of the head and the body of the anastomotic nail is larger than that of the body of the anastomotic nail at the joint, and the anastomotic hole is a limit hole matched with the anastomotic nail; the material has degradability, the shape of the anastomosis nail is similar to that of a tack, the head of the anastomosis nail has certain elasticity, the anastomosis hole comprises two sections, the size of the section close to the outer side is smaller than that of the section close to the inner side, the size of the section close to the outer side is smaller than that of the head of the anastomosis nail and larger than that of the body of the anastomosis nail, when the head of the anastomosis nail reaches the section close to the inner side of the anastomosis hole, the two sections are clamped and limited, and the anastomosis nail is clamped into the anastomosis hole through the anastomat; for current anastomose ring, make two anastomose subrings fix through magnet including setting up, this design can make the whole automatic degradation of device that coincide in the later stage, need not reuse the metal peg, has avoided secondary operation or metal peg to leave over internally.
As a preferable scheme, the shape of the head of the staple nail is a cone with a tip; so that the sewing effect is better.
As a preferable scheme, the inner surface of the annular forceps head is provided with a groove along the ring direction, and the width of the groove is not less than the thickness of the anastomosis sub-ring. Through the groove, the anastomosis sub-ring is limited in the vertical direction of the annular forceps head, so that the anastomosis sub-ring can only be separated from the annular forceps head in the horizontal direction, the separation mode of the anastomosis sub-ring and the annular forceps head is reduced, and the anastomosis sub-ring and the annular forceps head are prevented from automatically falling off in the operation process.
As a preferred scheme, the anastomat comprises two anastomat sub-bodies which are detachably hinged with each other, the anastomat sub-bodies comprise two blades, the middle parts of the two blades are hinged with each other, the two blades at one end of a hinged point form an annular forceps head with an opening, and the other end of the hinged point is a handheld device formed by two forceps handles. The pin joint of two anastomat daughter can set up in the open-ended outside of health according to whole length, is convenient for observe among the operation process, also avoids articulated position too big, props big with the health opening part, is convenient for fix and take out the sub-ring of anastomosis to the sub-ring of anastomosis.
Preferably, the two forceps handles are respectively provided with a waved groove which can be engaged with each other. Similar to the self-locking device of the forceps at the handle, the wave-shaped groove can realize the self-locking function and prevent the anastomotic ring from accidentally falling off in the operation process.
As a preferred scheme, the annular clamp head is perpendicular to the clamp handles, a groove is formed in any one of the clamp handles, and a sliding block embedded in the groove is arranged on the other clamp handle. The two anastomat sub-bodies slide mutually through the grooves, and the two anastomat rings are triggered and fixed.
As a preferred scheme, a spring is arranged in the groove, the spring is fixedly connected with the sliding block, and a limiter limiting the spring at a compression or stretching position is further arranged on the forceps handle. The spring is used for triggering, and the device is convenient and practical.
In conclusion, the invention has the following beneficial effects:
(1) the orifice anastomosis device provided by the invention has the advantages of simplifying operation, improving anastomosis of anastomosis ports, leaving no suture material in the anastomosis ports after healing and reducing risk of sequelae;
(2) the anastomotic ring of the orifice anastomosis device has the characteristics of wider material selection, higher safety and lower operation cost;
(3) the pressure direction of the cavity anastomosis device provided by the invention can be manually controlled, so that the condition of overlarge local pressure of the cavity is avoided;
(4) the cavity anastomosis device provided by the invention has the advantages of simple structure, good use effect, good economy and popularization.
Drawings
Figure 1 illustrates a schematic structural view of an anastomosis ring in accordance with an embodiment of the present invention;
figure 2 illustrates an elevational view of an anastomosis ring in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a stapler according to an embodiment of the invention;
FIG. 4 is a schematic view of another configuration of a stapler according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a staple and a staple hole of an embodiment of the present invention;
wherein:
1. anastomosis nails; 2. fitting the holes; 3. an annular binding clip; 4. a forceps handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
a cavity anastomosis device comprises an anastomosis ring and an anastomat, wherein the anastomosis ring comprises two anastomosis sub-rings, and anastomosis nails 1 and anastomosis holes 2 are arranged on the two anastomosis sub-rings in a matching mode; the anastomat comprises two anastomat sub-bodies which are movably connected, each anastomat sub-body comprises an annular forceps head 3 with an opening and a forceps handle 4 connected with the annular forceps head 3, and the forceps handles 4 jointly form a handheld device.
In the operation process, two anastomotic sub-rings are fixed by two annular forceps heads 3 with openings respectively, the two anastomotic sub-rings are stretched into a human body through an anastomat and reach an affected part, two sections of separated cavities are respectively fixed on anastomotic nails 1 of the two anastomotic sub-rings in an everting mode through operation assistance, and then the two anastomotic sub-rings are clamped together through triggering of the anastomat; then separating the anastomosis sub-ring from the annular forceps head 3 in a manner that the anastomosis sub-ring is taken out from the opening of the annular forceps head, and the annular forceps head and the anastomosis sub-ring are respectively moved up and down to be separated, and the anastomat is taken out; the annular forceps head 3 can realize the fixation and the taking-out of the anastomosis sub-ring by arranging a limiting device, and can also play a role in fixing the anastomosis sub-ring after the anastomosis sub-ring is placed into the annular forceps head by using a material with certain elasticity, and is convenient to detach at the later stage; the specific triggering structure of the anastomat can be the same as the conventional triggering mode.
The technical scheme can realize that the anastomosis ring is arranged on the outer wall of the cavity, optimize the anastomosis mode of the anastomosis port, reduce the foreign body sensation of a human body, and avoid the corrosion of secretion in places with strong gastrointestinal secretion; under the condition of no corrosion, the materials of the anastomosis ring can be selected more, better economy can be realized, the pain of a patient is relieved, the recovery period of the patient is shortened, the risk of sequelae is reduced, and meanwhile, the operation cost can be reduced.
Example 2, substantially similar to example 1, differs in that:
referring to fig. 1 and 2, one of the anastomosis sub-rings is provided with anastomosis nails 1 and anastomosis holes 2 which are uniformly distributed and staggered, and the other anastomosis sub-ring is provided with corresponding anastomosis holes 2 and anastomosis nails 1 in a matching manner.
In the embodiment 2, the two anastomotic rings can achieve the same quality, the pressure is prevented from deviating to the horizontal side, and the uniform distribution enables the cavity stitching effect to be better.
As a preferred embodiment, both anastomosis ring shapes are oval; the ellipse is relative to the circle, so that the area of a wound of a body can be reduced, and the anastomosis ring can be conveniently placed in the body; the pressure in different directions (different from the horizontal pressure) is selectively applied to different positions, so that the included angle between the direction of the pressure and the extending direction of the cavity wall is smaller, and the phenomenon that the included angle is too large is avoided, and the pressure only exists in the local position of the cavity.
As a preferred embodiment, the two anastomotic rings have only a single coincident connection; after the two anastomotic rings rotate 180 degrees relatively, the two anastomotic rings cannot be superposed, and the two anastomotic rings can be fixed and cannot rotate relatively through the anastomat before being triggered; or the positions of the anastomosis nails 1 and the anastomosis holes 2 are arranged, and after the anastomosis nails are rotated by 180 degrees, the anastomosis nails cannot correspond to the anastomosis holes one by one.
The preferred embodiment can realize that the direction of the pressure can be changed by setting the thickness of the anastomosis ring in the production process of a manufacturer, and the direction of the pressure can be selectively set in the sewing process.
As a preferred embodiment, the two anastomotic sub-ring materials are both degradable biological material polyglycolic acid, the section size of the head of the anastomotic nail 1 at the joint of the head and the body is larger than that of the body at the joint, and the anastomotic hole 2 is a limit hole matched with the anastomotic nail 1; the material has degradability, the shape of the anastomosis nail 1 is similar to that of a tack, the nail head of the anastomosis nail 1 has certain elasticity, the anastomosis hole comprises two sections, the size of the section close to the outer side is smaller than that of the section close to the inner side, the size of the section close to the outer side is smaller than that of the nail head of the anastomosis nail 1 and larger than that of the nail body of the anastomosis nail 1, when the nail head reaches the section close to the inner side of the anastomosis hole 2, the nail head and the anastomosis hole are clamped and limited, and the anastomosis nail 1 is clamped and matched in the anastomosis hole 2 through the anastomat; for current anastomose ring, make two anastomose subrings fix through magnet including setting up, this design can make the whole automatic degradation of device that coincide in the later stage, need not reuse the metal peg, has avoided secondary operation or metal peg to leave over internally.
As a preferred embodiment, the head of the staple 1 is shaped as a cone with a pointed tip; so that the sewing effect is better.
Example 3, substantially similar to example 1, differs in that:
combine fig. 3, the anastomat includes that two articulated anastomat daughter can be dismantled each other, and the anastomat daughter includes two blades of middle part mutual articulated, and two blades of pin joint one end constitute and have open-ended annular binding clip 3, and the pin joint other end is the hand-held device that two pincers handles 4 formed, is equipped with along the recess of ring direction on the 3 internal surfaces of annular binding clip, and the recess width is not less than the thickness of the sub-ring that coincide.
In the embodiment 3, the structure of the sub-body of the anastomat is similar to that of the traditional forceps, the two annular forceps heads 3 are closed by twisting the two blades, the anastomotic ring is fixed, and after being triggered, the two blades are separated through the separation of the two forceps handles 4, then the anastomat ring is taken out from the opening of the annular forceps head 3, so that the hinge point of the two anastomat sub-bodies is according to the whole length, can be arranged at the outer side of the body opening, is convenient for observation in the operation process, avoids overlarge hinged parts, enlarges the body opening, is convenient for fixing and taking out the anastomotic sub-ring, through the groove, the anastomosis sub-ring is limited in the vertical direction of the annular forceps head 3, so that the anastomosis sub-ring can only be separated from the annular forceps head 3 in the horizontal direction, the separation mode of the anastomosis sub-ring and the annular forceps head is reduced, and the anastomosis sub-ring and the annular forceps head are prevented from automatically falling off in the operation process.
In a preferred embodiment, the two forceps handles 4 are respectively provided with wavelike grooves which can be engaged with each other. Similar to the self-locking device of the forceps at the handle, the wave-shaped groove can realize the self-locking function, and the two blades are prevented from being separated in the operation process, so that the anastomotic sub-ring is accidentally dropped.
Example 4, substantially similar to example 1, differs in that:
the annular clamp head 3 is perpendicular to the clamp handles 4, a groove is formed in any one of the clamp handles 4, and a sliding block embedded in the groove is arranged on the other clamp handle 4. The inner surface of the annular forceps head 3 is provided with a groove along the ring direction, and the width of the groove is not less than the thickness of the anastomosis sub-ring.
In embodiment 4, the sliding block moves in the groove, so that the two forceps handles 4 slide relatively to each other, and then the two anastomosis ring rings are triggered, so that the two anastomosis ring rings are engaged.
As a preferred embodiment, a spring is arranged in the groove, the spring is fixedly connected with the sliding block, and a stopper for limiting the spring to a compression position or a stretching position is further arranged on the forceps handle 4. The spring is used for triggering, and the device is convenient and practical.
The working principle is as follows: in the operation process, two annular forceps heads 3 with openings respectively fix two anastomosis sub-rings, the two anastomosis sub-rings are extended into a human body through an anastomat and reach an affected part, two sections of separated cavities are respectively fixed on anastomosis nails 1 of the two anastomosis sub-rings in an everting mode through operation assistance, and then the two anastomosis sub-rings are triggered through the anastomat and clamped together; then separating the anastomosis sub-ring from the annular forceps head 3 through an opening of the annular forceps head, and taking out the anastomat; the annular forceps head 3 can realize the fixation and the taking-out of the anastomosis sub-ring by arranging a limiting device, and can also play a role in fixing the anastomosis sub-ring after the anastomosis sub-ring is placed into the annular forceps head by using a material with certain elasticity, and is convenient to detach at the later stage; the specific trigger structure of the anastomat can be triggered by using the structure of the existing anastomat.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. A cavity anastomosis device is characterized by comprising an anastomosis ring and an anastomat, wherein the anastomosis ring comprises two anastomosis sub-rings, and anastomosis nails (1) and anastomosis holes (2) are arranged on the two anastomosis sub-rings in a matching mode; the anastomat comprises two anastomat sub-bodies which are movably connected, each anastomat sub-body comprises an annular forceps head (3) with an opening and a forceps handle (4) connected with the annular forceps head (3), and the forceps handles (4) jointly form a handheld device.
2. The orifice anastomosis device according to claim 1, wherein, uniformly distributed and staggered anastomotic nails (1) and anastomotic holes (2) are provided on one of the anastomotic sub-rings, and corresponding anastomotic holes (2) and anastomotic nails (1) are provided on the other anastomotic sub-ring in a matching manner.
3. The luminal anastomosis device of claim 2, wherein both of said anastomosis ring shapes are elliptical.
4. The lumen anastomosis device according to claim 3, wherein both of said anastomotic ring materials are degradable biomaterial polyglycolic acid; the cross-sectional dimension of the nail head at the joint of the nail head and the nail body of the anastomosis nail (1) is larger than that of the nail body at the joint, and the anastomosis hole (2) is a limit hole matched with the anastomosis nail (1).
5. The orifice anastomosis device according to claim 1 or 4, characterized in that the inner surface of the ring-shaped forceps head (3) is provided with a groove along the ring direction, and the width of the groove is not less than the thickness of the anastomosis sub-ring.
6. The transluminal anastomosis device according to claim 5, characterized in that said stapler comprises two stapler sub-bodies detachably hinged to each other, said stapler sub-bodies comprising two leaves hinged to each other at their middle, said two leaves at one end of a hinge point forming an annular jaw (3) with an opening, and said two leaves at the other end of the hinge point forming a hand-held device formed by two jaw handles (4).
7. The orifice anastomosis device according to claim 6, characterized in that said two jaws (4) are provided with respective mutually engageable wavy recesses.
8. The orifice anastomosis device according to claim 5, characterized in that the annular forceps head (3) and the forceps handles (4) are perpendicular to each other, wherein a groove is formed on any one of the forceps handles (4), and a sliding block embedded in the groove is formed on the other forceps handle (4).
9. The orifice anastomosis device according to claim 8, characterized in that a spring is arranged in said recess, said spring is fixedly connected to said sliding block, and a stopper for limiting said spring in a compressed or extended position is arranged on said forceps handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337646.8A CN111000609A (en) | 2019-12-23 | 2019-12-23 | Cavity anastomosis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911337646.8A CN111000609A (en) | 2019-12-23 | 2019-12-23 | Cavity anastomosis device |
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| CN111000609A true CN111000609A (en) | 2020-04-14 |
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| CN201911337646.8A Pending CN111000609A (en) | 2019-12-23 | 2019-12-23 | Cavity anastomosis device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515725A (en) * | 2020-12-14 | 2021-03-19 | 常州安康医疗器械有限公司 | Pouch forceps anastomat capable of automatically forming pouch |
| CN115363660A (en) * | 2021-05-19 | 2022-11-22 | 欣格誉科技(无锡)有限公司 | Anastomat |
-
2019
- 2019-12-23 CN CN201911337646.8A patent/CN111000609A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515725A (en) * | 2020-12-14 | 2021-03-19 | 常州安康医疗器械有限公司 | Pouch forceps anastomat capable of automatically forming pouch |
| CN112515725B (en) * | 2020-12-14 | 2022-02-18 | 常州安康医疗器械有限公司 | Pouch forceps anastomat capable of automatically forming pouch |
| CN115363660A (en) * | 2021-05-19 | 2022-11-22 | 欣格誉科技(无锡)有限公司 | Anastomat |
| CN115363660B (en) * | 2021-05-19 | 2024-01-30 | 欣格誉科技(无锡)有限公司 | Anastomat |
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