Electric vascular anastomosis device and operation method thereof

Abstract

The invention provides a blood vessel electric anastomosis device and an operation method thereof. The electric blood vessel anastomosis device comprises a nail bin assembly and a nail abutting base assembly, a penetrating channel opening allowing blood vessels to penetrate is formed in the middle of the nail bin assembly, and the nail bin assembly is divided into a first nail bin set and a second nail bin set through the penetrating channel opening; a first nail outlet hole group and a second nail outlet hole group are formed in the sides, close to the penetrating channel opening, of the first nail bin group and the second nail bin group correspondingly, and anastomosis nails are ejected out through the first nail outlet hole group and the second nail outlet hole group correspondingly; cutting grooves are formed in the sides, away from the penetrating channel opening, of the first nail bin set and the second nail bin set correspondingly, cutting knife sets are arranged in the cutting grooves correspondingly, and the cutting knife sets are suitable for moving along the cutting grooves for cutting; the nail abutting base assembly comprises a first nail abutting base set and a second nail abutting base set, and the first nail abutting base set and the second nail abutting base set are arranged opposite to the first nail bin set and the second nail bin set respectively and are configured to enable anastomosis nails ejected out of the first nail bin set and the second nail bin set to be formed.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, and in particular to a blood vessel electric anastomat and an operating method thereof. BACKGROUND

[0002] For surgical operations involving blood vessel diseases, blood vessel anastomosis is an indispensable surgical technique. In the process of blood vessel anastomosis, the blood vessels on both sides of the anastomotic stoma are temporarily blocked so that blood flow cannot pass through, and after the blood vessel anastomosis is completed, the blood flow is allowed to pass through the anastomotic stoma. In this way, the tissues requiring blood supply will be in a state of ischemia and hypoxia during the anastomosis operation. The longer the ischemia and hypoxia state lasts, the greater the damage to the tissues, and even some irreversible organ changes may occur to the human body, leaving permanent sequelae.

[0003] At present, the blood vessel anastomosis technique is still mainly in the traditional manual needle and thread suture mode, or through a manually operated anastomat to achieve blood vessel anastomosis. The existing anastomat includes an anastomotic ring, a clamp holder and a tie. The clamp holder clamps the anastomotic ring in the radial or circumferential direction to place it in the blood vessel, and the tie is used to tie the end of the blood vessel and the anastomotic ring to achieve anastomosis. Whether it is the manual needle and thread suture mode or the manually operated anastomat mode, it needs to rely on the proficiency of the operator, which affects the operation efficiency. SUMMARY

[0004] The embodiments of the present application provide a blood vessel electric anastomat and an operating method thereof to optimize the structure for facilitating use, shorten the time of blood vessel anastomosis and reduce the dependence on the proficiency of blood vessel anastomosis technology.

[0005] The blood vessel electric anastomat provided by the embodiments of the present application comprises a cartridge assembly and a staple seat assembly. A through passage allowing the blood vessel to pass through is provided in the middle of the cartridge assembly from the distal end to the proximal end along the length direction. The through passage divides the cartridge assembly into a first cartridge group and a second cartridge group which are symmetrically arranged. First and second staple hole groups are respectively arranged on the side of the first and second cartridge groups close to the through passage. The anastomotic staples arranged in the first and second cartridge groups are respectively shot out through the first and second staple hole groups. The side of the first and second cartridge groups away from the through passage is provided with a cutting groove. A cutting knife group is arranged in the cutting groove. The cutting knife group is adapted to move along the cutting groove for cutting. The staple seat assembly comprises a first staple seat group and a second staple seat group. The first and second staple seat groups are hingedly connected to the cartridge assembly at the proximal end. The first and second staple seat groups are respectively arranged opposite to the first and second cartridge groups, and are configured to form the anastomotic staples shot out from the first and second cartridge groups.

[0006] Preferably, the staple cartridge assembly includes a lower shell, an upper shell, and a staple seat assembly disposed in the lower shell, wherein the staple seat assembly is provided with a staple, and the lower shell and the upper shell are symmetrically separated by the through passage; the first staple outlet hole group and the second staple outlet hole group are both disposed on the top surface of the upper shell near the through passage; a plurality of staple seat groups are disposed in the lower shell corresponding to the first staple outlet hole group and the second staple outlet hole group.

[0007] Preferably, the cutting groove is disposed on the top surface of the upper shell away from the through opening, and a sliding groove is disposed in the lower shell corresponding to the cutting groove.

[0008] Preferably, the cutting blade assembly includes a sliding blade holder and a blade disposed on the sliding blade holder; the sliding blade holder is disposed in the sliding groove, and when the sliding blade holder moves along the sliding groove, the blade moves along the cutting groove.

[0009] Preferably, both the first and second anvil groups are connected to the staple cartridge assembly at their proximal ends via pins; a spring sheet is provided between the proximal ends of the first and second anvil groups and the proximal end of the staple cartridge assembly.

[0010] Preferably, the first staple cartridge group and the second staple cartridge group are further provided with a third staple ejection hole group and a fourth staple ejection hole group on the side of the cutting groove away from the through passage, respectively. The staples disposed in the first staple cartridge group are ejected through the first staple ejection hole group and the third staple ejection hole group, respectively; the staples disposed in the second staple cartridge group are ejected through the second staple ejection hole group and the fourth staple ejection hole group, respectively.

[0011] Another aspect of the present invention is that a method for operating the above-described apparatus is also provided. The method includes: The first and second blood vessels to be sutured are positioned opposite each other. The first and second blood vessels are cut along the axial direction on both sides to form a first upper piece, a first lower piece, a second upper piece, and a second lower piece, respectively. The first upper piece and the second upper piece are folded upward and then attached to form an upper anastomosis. The first lower piece and the second lower piece are folded downward and then attached to form a lower anastomosis. The penetrating opening of the staple cartridge assembly is inserted into the first blood vessel, and the second blood vessel is inserted between the first anvil assembly and the second anvil assembly, so that the first staple cartridge assembly and the first anvil assembly clamp the upper anastomosis, and the second staple cartridge assembly and the second anvil assembly clamp the lower anastomosis. The first and second staple cartridges eject and shape staples to suture the upper and lower anastomotic portions, respectively. The cutting blades in the first and second staple cartridge groups move to cut and remove the excess portion at the end of the upper and lower anastomoses after suturing. The staple cartridge assembly, the first anvil assembly, and the second anvil assembly are withdrawn from the first and second blood vessels to complete the vascular anastomosis.

[0012] Preferably, the first and second staple cartridge groups are respectively provided with a first staple ejection hole group and a second staple ejection hole group on the side near the through passage; the operation method further includes: The first and second sets of stapling holes eject and shape the anastomotic staples, and suture the upper and lower anastomotic portions near the opening of the passage, respectively.

[0013] Preferably, the first and second staple cartridge groups are further provided with a third staple ejection hole group and a fourth staple ejection hole group on the side of the cutting groove away from the through passage, respectively; the operation method further includes: Preferably, the third and fourth sets of stapling holes eject and shape the anastomotic staples, respectively suturing the upper and lower anastomotic portions away from the penetration opening.

[0014] Both the first and second staple cartridge groups have moving cutting blades that cut away the ends of the upper and lower anastomoses away from the penetration opening after suturing.

[0015] Compared with the prior art, the technical solutions of the embodiments of the present invention have beneficial effects.

[0016] For example, by using the combined methods of cutting, deploying, and setting up the blood vessel to be anastomosed with an electric anastomoser, automatic anastomosis of blood vessels can be achieved, which is easy to operate and improves the efficiency of blood vessel anastomosis. By using the staple cartridge assembly, staple seat assembly, and cutting blade assembly together, the method of blood vessel anastomosis is simplified, the time of blood vessel anastomosis is shortened, the bleeding at the anastomosis site is reduced, and the dependence on the skill level of blood vessel anastomosis technique is reduced.

[0017] For example, by objectively reducing the time of blood flow occlusion during vascular anastomosis, the complications and sequelae of the operation are reduced.

[0018] For example, it has fundamentally changed the traditional concepts and techniques of vascular anastomosis, not only reducing surgical trauma and postoperative recovery time for patients with vascular diseases, but also saving medical expenses. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a vascular electric anastomosis device according to an embodiment of the present invention; Figure 2This is an exploded view of an electric anastomosis device for blood vessels according to an embodiment of the present invention; Figure 3 This is a side sectional view of an electric anastomosis device for blood vessels according to an embodiment of the present invention; Figure 4 This is a diagram showing the usage state of an electric vascular anastomosis device according to an embodiment of the present invention; Figure 5 This is a schematic diagram of another electrically operated vascular anastomosis device in an embodiment of the present invention; Figure 6 This is an exploded view of another electrically powered vascular anastomosis device in an embodiment of the present invention; Figure 7 This is a diagram showing the usage status of another electrically powered vascular anastomosis device in an embodiment of the present invention; Figure 8 This is a diagram showing another angle of use of another electric anastomosis device for blood vessels in an embodiment of the present invention.

[0020] Explanation of reference numerals in the attached figures: 11-Penetrating opening; 12-First staple cartridge assembly; 121-First staple ejection hole assembly; 122-Cutting groove; 123-Third staple ejection hole assembly; 13-Second staple cartridge assembly; 131-Second staple ejection hole assembly; 132-Cutting groove; 133-Fourth staple ejection hole assembly; 14-Anastomotic staple; 15-Cutting blade assembly; 151-Sliding blade holder; 152-Blade; 16-Lower shell; 17-Upper shell; 18-Staple holder assembly; Anchor assembly; 21-First anchor group; 22-Second anchor group; 23-Pin; 24-Spring plate; First blood vessel; 31-First upper slice; 32-First lower slice; Second blood vessel; 41-Second upper slice; 42-Second lower slice. Detailed Implementation

[0021] To make the objectives, features, and beneficial effects of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described below are merely for explaining the present invention and are not intended to limit the present invention. Furthermore, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and descriptions of the same or similar elements in different embodiments, as well as descriptions of prior art elements, features, effects, etc., may be omitted.

[0022] Reference Figures 1 to 8 This invention provides an electric anastomosis device for blood vessels.

[0023] In specific implementation, the vascular electric anastomosis device includes a staple cartridge assembly 1 and a staple seat assembly 2. The staple cartridge assembly 1 has a through-hole 11 extending from the distal end to the proximal end along its length, allowing blood vessels to pass through. The through-hole 11 divides the staple cartridge assembly 1 into a symmetrically arranged first staple cartridge group 12 and a second staple cartridge group 13. The first staple cartridge group 12 and the second staple cartridge group 13 have a first staple ejection hole group 121 and a second staple ejection hole group 131 respectively on the side near the through-hole 11. Anastomotic staples 14 disposed in the first staple cartridge group 12 and the second staple cartridge group 13 are ejected through the first staple ejection hole group 121 and the second staple ejection hole group 131 respectively. The first staple cartridge group 1... 2. Cutting grooves 122 and 132 are provided on the side of the second and third staple cartridges 13 away from the through passage 11. Cutting blade groups 15 are provided in the cutting grooves 122 and 132. The cutting blade groups 15 are adapted to move along the cutting grooves 122 and 132 to cut. The anvil assembly 2 includes a first anvil group 21 and a second anvil group 22. The first anvil group 21 and the second anvil group 22 are both hinged to the staple cartridge assembly 1 at the proximal end. The first anvil group 21 and the second anvil group 22 are respectively arranged opposite to the first staple cartridge group 12 and the second staple cartridge group 13, and are configured to shape the staples 14 ejected from the first staple cartridge group 12 and the second staple cartridge group 13.

[0024] Specifically, the vascular electric anastomosis device is connected to the actuator to control the firing of anastomotic staples 14 from the first staple cartridge group 12 and the second staple cartridge group 13, and to control the movement of the cutting blade group 15 along the cutting grooves 122 and 132. The actuator can perform the above functions. The structure of the actuator is not limited here. The actuator of the electric anastomosis device for severing or anastomosing tissues in the prior art can be used.

[0025] In some embodiments, the staple cartridge assembly 1 includes a lower shell 16, an upper shell 17, and a staple seat assembly 18 disposed in the lower shell 16. The staple seat assembly 18 is provided with a matching staple 14. The lower shell 16 and the upper shell 17 are symmetrically separated by a through-hole 11. A first staple outlet hole assembly 121 and a second staple outlet hole assembly 131 are both disposed on the top surface of the upper shell 17 near the through-hole 11. A plurality of staple seat assemblies 18 are disposed in the lower shell 16 corresponding to the first staple outlet hole assembly 121 and the second staple outlet hole assembly 131.

[0026] In some embodiments, cutting grooves 122 and 132 are provided on the top surface of the upper shell 17 away from the through opening 11, and a sliding groove 161 is provided in the lower shell 16 corresponding to the cutting grooves 122 and 132.

[0027] In some embodiments, the cutting blade assembly 15 includes a sliding blade holder 151 and a blade 152 disposed on the sliding blade holder 151; the sliding blade holder 151 is disposed in a sliding groove 161, and when the sliding blade holder 151 moves along the sliding groove 161, the blade 152 moves along the cutting grooves 122 and 132.

[0028] In some embodiments, the first pin seat assembly 21 and the second pin seat assembly 22 are both connected to the staple cartridge assembly 1 at the proximal end via a pin 23; a spring sheet 24 is provided between the proximal ends of the first pin seat assembly 21 and the second pin seat assembly 22 and the proximal end of the staple cartridge assembly 1.

[0029] In some embodiments, the first staple cartridge group 12 and the second staple cartridge group 13 are respectively provided with a third staple ejection hole group 123 and a fourth staple ejection hole group 133 on the side of the cutting grooves 122 and 132 away from the through passage 11. The staples 14 disposed in the first staple cartridge group 12 are ejected through the first staple ejection hole group 121 and the third staple ejection hole group 123 respectively; the staples 14 disposed in the second staple cartridge group 13 are ejected through the second staple ejection hole group 131 and the fourth staple ejection hole group 133 respectively.

[0030] Specifically, the third nail hole group 123 and the fourth nail hole group 133 are both located on the top surface of the upper shell 17 on the side away from the through opening 11 of the cutting grooves 122 and 132; and multiple nail seat groups 18 are provided in the lower shell 16 corresponding to the third nail hole group 123 and the fourth nail hole group 133.

[0031] The present invention also provides a method for operating a vascular electric anastomosis device. The method includes: S1: The first blood vessel 3 and the second blood vessel 4 to be sutured are positioned opposite each other. The first upper piece 31, the first lower piece 32, the second upper piece 41, and the second lower piece 42 are cut along the axial direction on both sides of the first blood vessel 3 and the second blood vessel 4, respectively. The first upper piece 31 and the second upper piece 41 are folded upward and then attached to form the upper anastomosis. The first lower piece 32 and the second lower piece 42 are folded downward and then attached to form the lower anastomosis. S2: Insert the through-hole 11 of the staple cartridge assembly 1 into the first blood vessel 3, and insert the second blood vessel 4 between the first anvil assembly 21 and the second anvil assembly 22, so that the first staple cartridge assembly 12 and the first anvil assembly 21 clamp the upper anastomosis, and the second staple cartridge assembly 13 and the second anvil assembly 22 clamp the lower anastomosis. S3: Anastomotic staples 14 are ejected and shaped from the first staple cartridge group 12 and the second staple cartridge group 13, and the upper and lower anastomotic parts are sutured together respectively. S4: The cutting blade group 15 in the first staple cartridge group 12 and the second staple cartridge group 13 both move to cut and remove the excess part of the upper and lower anastomoses after suturing. S5: Remove the staple cartridge assembly 1, the first anvil assembly 21 and the second anvil assembly 22 from the first blood vessel 3 and the second blood vessel 4 to complete the vascular anastomosis.

[0032] In some embodiments, the first nail cartridge group 12 and the second nail cartridge group 13 are respectively provided with a first nail outlet group 121 and a second nail outlet group 131 on the side near the through opening 11; the operation method further includes: The anastomotic staples 14 are ejected and shaped from the first staple hole group 121 and the second staple hole group 131, and are then sutured together at the ends of the upper and lower anastomotic portions near the penetration opening 11.

[0033] In some embodiments, the first nail cartridge group 12 and the second nail cartridge group 13 are respectively provided with a third nail outlet group 123 and a fourth nail outlet group 133 on the side of the cutting grooves 122 and 132 away from the through opening 11; the operation method further includes: The anastomotic staples 14 are ejected and shaped from the third set of staple holes 123 and the fourth set of staple holes 133, respectively, and the upper anastomosis and the lower anastomosis are sutured to the side away from the penetration opening 11.

[0034] In some embodiments, the cutting blade group 15 in the first staple cartridge group 12 and the second staple cartridge group 13 both move to cut, and the ends of the upper and lower anastomoses away from the penetration opening 11 are removed after suturing.

[0035] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the invention, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this disclosure are intended to be illustrative and not limiting, unless otherwise stated. In practice, one or more technical features of the dependent claims may be combined with the technical features of the independent claims as needed and where technically feasible, and the technical features from the respective independent claims may be combined in any suitable manner rather than solely by the specific combinations listed in the claims.

[0036] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A vascular electric anastomosis device, comprising a staple cartridge assembly and an anvil assembly, characterized in that, The staple cartridge assembly has a through-hole extending from the distal end to the proximal end along its length, allowing blood vessels to pass through. The through-hole divides the staple cartridge assembly into a symmetrically arranged first staple cartridge group and a second staple cartridge group. The first staple cartridge group and the second staple cartridge group have a first staple ejection hole group and a second staple ejection hole group respectively on the side near the through-hole. The anastomotic staples disposed in the first staple cartridge group and the second staple cartridge group are ejected through the first staple ejection hole group and the second staple ejection hole group respectively. The first staple cartridge group and the second staple cartridge group have a cutting groove on the side away from the through-hole. The cutting groove has a cutting blade group, which is adapted to move along the cutting groove to cut. The anastomosis seat assembly includes a first anastomosis seat group and a second anastomosis seat group. The first anastomosis seat group and the second anastomosis seat group are both hinged to the staple cartridge assembly at the proximal end. The first anastomosis seat group and the second anastomosis seat group are respectively disposed opposite to the first staple cartridge group and the second staple cartridge group, and are configured to shape the anastomotic staples ejected from the first staple cartridge group and the second staple cartridge group.

2. The electrically powered vascular anastomosis device according to claim 1, characterized in that, The staple cartridge assembly includes a lower shell, an upper shell, and a staple seat assembly disposed in the lower shell. The staple seat assembly contains matching staples. The lower shell and the upper shell are symmetrically separated by the through-hole. The first staple ejection hole assembly and the second staple ejection hole assembly are both disposed on the top surface of the upper shell near the through-hole. A plurality of staple seat assemblies are disposed in the lower shell corresponding to the first staple ejection hole assembly and the second staple ejection hole assembly.

3. The electrically powered vascular anastomosis device according to claim 2, characterized in that, The cutting groove is located on the top surface of the upper shell away from the through opening, and a sliding groove is provided in the lower shell corresponding to the cutting groove.

4. The electrically powered vascular anastomosis device according to claim 3, characterized in that, The cutting blade assembly includes a sliding blade holder and a blade disposed on the sliding blade holder; the sliding blade holder is disposed in the sliding groove, and when the sliding blade holder moves along the sliding groove, the blade moves along the cutting groove.

5. The electrically powered vascular anastomosis device according to claim 1, characterized in that, Both the first and second anvil groups are connected to the staple cartridge assembly at their proximal ends via pins; a spring plate is provided between the proximal ends of the first and second anvil groups and the proximal end of the staple cartridge assembly.

6. The electrically powered vascular anastomosis device according to claim 1, characterized in that, The first staple cartridge group and the second staple cartridge group are respectively provided with a third staple ejection hole group and a fourth staple ejection hole group on the side of the cutting groove away from the through passage. The staples provided in the first staple cartridge group are ejected through the first staple ejection hole group and the third staple ejection hole group respectively. The staples disposed in the second staple cartridge are ejected through the second staple ejection hole group and the fourth staple ejection hole group, respectively.

7. A method of operating the electric anastomosis device for blood vessels as described in any one of claims 1-6, characterized in that, include: The first and second blood vessels to be sutured are positioned opposite each other. The first and second blood vessels are cut along the axial direction on both sides to form a first upper piece, a first lower piece, a second upper piece, and a second lower piece, respectively. The first upper piece and the second upper piece are folded upward and then attached to form an upper anastomosis. The first lower piece and the second lower piece are folded downward and then attached to form a lower anastomosis. The penetrating opening of the staple cartridge assembly is inserted into the first blood vessel, and the second blood vessel is inserted between the first anvil assembly and the second anvil assembly, so that the first staple cartridge assembly and the first anvil assembly clamp the upper anastomosis, and the second staple cartridge assembly and the second anvil assembly clamp the lower anastomosis. The first and second staple cartridges eject and shape staples to suture the upper and lower anastomotic portions, respectively. The cutting blades in the first and second staple cartridge groups move to cut and remove the excess portion at the end of the upper and lower anastomoses after suturing. The staple cartridge assembly, the first anvil assembly, and the second anvil assembly are withdrawn from the first and second blood vessels to complete the vascular anastomosis.

8. The operating method according to claim 7, characterized in that, The first and second staple cartridge groups are respectively provided with a first staple ejection hole group and a second staple ejection hole group on the side near the through passage opening; the operation method further includes: The first and second sets of stapling holes eject and shape the anastomotic staples, and suture the upper and lower anastomotic portions near the opening of the passage, respectively.

9. The operating method according to claim 8, characterized in that, The first and second staple cartridge groups are further provided with a third staple ejection hole group and a fourth staple ejection hole group respectively on the side of the cutting groove away from the through passage; the operation method further includes: The third and fourth sets of ejector holes eject and shape the anastomotic staples, respectively suturing the upper and lower anastomotic portions away from the penetration opening.

10. The operating method according to claim 9, characterized in that, Both the first and second staple cartridge groups have moving cutting blades that cut away the ends of the upper and lower anastomoses away from the penetration opening after suturing.

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