Anastomat assembly with blood coagulation function

Abstract

The utility model discloses an anastomat assembly with a blood coagulation function. The anastomat assembly comprises a cutting knife assembly, a nail box inner core, a nail bin assembly and a nail abutting seat assembly. Wherein the cutting knife assembly comprises a cutting knife head, a cutting knife middle piece and a cutting knife side piece, the cutting knife head is located at the far end of the cutting knife middle piece, and the cutting knife head, the cutting knife middle piece and the cutting knife side piece are fixed together; the anastomat assembly further comprises a thermocouple assembly and an electric connection assembly, and the thermocouple assembly is connected with the electric connection assembly. The thermocouple assembly is arranged on the cutting tool bit and can heat the cutting tool bit; when the cutting knife assembly moves, the electric connection assembly and the thermocouple assembly keep a circuit closed. The endoscopic anastomat assembly is matched with an electric endoscopic anastomat to achieve a blood coagulation function on cut tissue capillaries, the amount of bleeding in an operation is reduced, postoperative recovery is faster, and the operation risk and the postoperative risk are reduced; the number of times for medical staff to clean errhysis at an operation site during an operation can be reduced, the labor of the medical staff is reduced, the operation duration can be shortened, and the working intensity of the medical staff is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, in particular to an anastomat assembly with coagulation function. BACKGROUND

[0002] In surgical operation, the cutting anastomat under medical endoscope has become an indispensable auxiliary medical instrument in the process of human tissue closure. The application of the cutting anastomat under endoscope has many advantages such as less bleeding during operation, shorter operation time, reduced manual operation error, avoided infection, and faster postoperative functional recovery. The cutting anastomat under endoscope and the disposable nail box are suitable for the resection, transection and anastomosis of tissues in abdominal, gynecological, pediatric and thoracic surgical operations, and can also be used for the resection and transection of liver parenchyma, liver blood vessels and gallbladder ducts.

[0003] At present, the existing endoscopic anastomat assembly will cause a small amount of bleeding of tissue capillary vessels after surgical cutting and suturing, which will affect the judgment of the doctor on the tissue state, and the surgical site bleeding needs to be cleaned frequently, resulting in increased labor of medical staff and affecting the operation time. How to avoid the bleeding of tissue capillary vessels after tissue suturing in the prior art is a technical problem that needs to be solved in the field. CONTENT OF THE UTILITY MODEL

[0004] To solve the above technical problems, the technical scheme provided by the utility model is as follows:

[0005] An anastomat assembly with coagulation function comprises a cutting knife assembly 1, a nail box inner core 4, a nail cartridge assembly 6, and a nail seat assembly 7. The cutting knife assembly 1 comprises a cutting knife head 11, a cutting knife middle piece 12, and a cutting knife side piece 13. The cutting knife head 11 is located at the distal end of the cutting knife middle piece 12, and the cutting knife head 11 is fixed together with the cutting knife middle piece 12 and the cutting knife side piece 13. The anastomat assembly further comprises a heating thermocouple assembly 3 and an electric connection assembly. The heating thermocouple assembly 3 is connected with the electric connection assembly. The heating thermocouple assembly 3 is arranged on the cutting knife head 11 and can heat the cutting knife head 11. When the cutting knife assembly 1 moves, the electric connection assembly and the heating thermocouple assembly 3 maintain circuit passage.

[0006] The electric connection assembly comprises a cutting knife wire assembly 2 and a nail box inner core wire assembly 5. The heating thermocouple assembly 3 is electrically connected with the nail box inner core wire assembly 5 through the cutting knife wire assembly 2. The cutting knife wire assembly 2 is arranged on the cutting knife assembly 1, and the nail box inner core wire assembly 5 is arranged on the nail box inner core 4.

[0007] The cutting knife side piece 13 comprises two pieces and is located on both sides of the cutting knife middle piece 12. The cutting knife head 11 is provided with a first mounting structure 1102 for mounting the heating thermocouple assembly 3. The heating thermocouple assembly 3 is mounted on the first mounting structure 1102.

[0008] The cutting knife wire arrangement assembly 2 comprises: a line control switch 21, a first wire arrangement 22, a wire arrangement connector 23, an elastic contact sliding block 24; one end of the line control switch 21 is connected with the heating thermocouple assembly 3, the other end is connected with one end of the first wire arrangement 22, the other end of the first wire arrangement 22 is connected with the wire arrangement connector 23, and the wire arrangement connector 23 is fixedly connected with the elastic contact sliding block 24.

[0009] The cutting knife middle piece 12 is provided with a second mounting structure 1201, the two cutting knife side pieces 13 are respectively provided with first fixing structures 1301, the line control switch 21 is provided with second fixing structures 2101 on both sides, the line control switch 21 is arranged at the second mounting structure 1201, and the line control switch is fixed between the two cutting knife side pieces 13 by cooperation of the first fixing structure 1301 and the second fixing structure 2101.

[0010] The cutting knife middle piece 12 is provided with a third mounting structure 1203, the wire arrangement connector 23 is provided with a fourth mounting structure 2301, the two cutting knife side pieces 13 are respectively provided with third fixing structures 1302, the wire arrangement connector 23 is provided with fourth fixing structures 2302 on both sides, the third mounting structure is matched with the fourth mounting structure, the wire arrangement connector is mounted on the cutting knife middle piece 12, and the third fixing structure 1301 is matched with the fourth fixing structure 2101, so that the wire arrangement connector 23 is fixed between the two cutting knife side pieces 13.

[0011] The wire arrangement connector 23 is provided with a plug, the elastic contact sliding block 24 is provided with a slot matched with the shape of the plug, and the plug and the slot are matched to realize the fixation between the wire arrangement connector 23 and the elastic contact sliding block 24.

[0012] The plug is provided with a convex structure 2303 on both sides, the slot is provided with a groove structure 2401 on both sides, the convex structure 2303 is arranged in the groove structure 2401 to prevent the wire arrangement connector 23 and the elastic contact sliding block 24 from moving in the vertical direction, and the circuit path is realized by the close cooperation of the convex structure 2303 and the groove structure 2401.

[0013] The nail magazine inner core wire arrangement assembly 5 comprises: elastic contacts 51 connected with the instrument, connecting wires 52, and power supply rails 53, the elastic contacts 51, the connecting wires 52, and the power supply rails 53 are two respectively, and the two ends of the connecting wires 52 are connected with the elastic contacts 51 and the power supply rails 53 respectively; the elastic contact sliding block 24 is provided with elastic contacts 2402 on both sides, and the two elastic contacts 2402 are in close contact with the two power supply rails 53 respectively.

[0014] The anastomat assembly further comprises a temperature control system for controlling the temperature of the cutting knife head, the temperature control system comprising: a temperature detection component for detecting the real-time temperature of the cutting knife head 11, and a switch control component for controlling the on-off of the circuit control switch 21.

[0015] With the design, the utility model has at least the following advantages:

[0016] (1) The endoscope anastomat assembly of the utility model cooperates with the electric endoscope anastomat to coagulate blood of cut tissue capillary vessels, reduce the amount of bleeding during operation, recover faster after operation, and reduce operation and postoperative risks.

[0017] (2) The endoscope anastomat of the utility model can reduce the frequency of cleaning the bleeding site of the medical staff during operation, reduce the labor of the medical staff, reduce the operation time, and reduce the working intensity of the medical staff.

[0018] (3) The utility model has simple structure, good effect, low cost, and easy process implementation. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, the utility model will be further described in detail in combination with the drawings and specific embodiments.

[0020] Figure 1 It is a whole structure schematic view of the anastomat assembly of the utility model;

[0021] Figure 2 It is an exploded schematic view of the cutting knife assembly, the heating thermocouple assembly and the cutting knife wire arrangement assembly of the utility model;

[0022] Figure 3 It is a whole structure schematic view of the anastomat assembly of the utility model Figure 2 It is an enlarged schematic view of part details of the utility model;

[0023] Figure 4 It is a schematic view of the heating thermocouple assembly and the cutting knife wire arrangement connection of the utility model;

[0024] Figure 5 It is a schematic view of the wire arrangement connector and the elastic contact sliding block structure of the utility model;

[0025] Figure 6 It is a schematic view of the cutting knife head assembly, the heating thermocouple and the cutting knife wire arrangement cooperation structure of the utility model;

[0026] Figure 7 It is an enlarged schematic view of part details of the utility model Figure 6

[0027] Figure 8 ​The utility model discloses a nail box inner core and nail box inner core cable structure schematic view.

[0028] Figure 9 The utility model discloses a nail box inner core and nail box inner core assembly structure schematic view.

[0029] Figure 10 The utility model discloses an elastic touch electric sliding block initial position schematic view.

[0030] Figure 11 The utility model discloses an elastic touch electric sliding block position schematic view on electrification guide rail.

[0031] Figure 12 The utility model discloses an elastic touch electric sliding block termination position schematic view.

[0032] The utility model discloses a nail box inner core and nail box inner core cable structure schematic view. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0034] In this article, "up", "down" and the like are only used to represent the relative position relationship between the relevant parts, not to limit the absolute position of the relevant parts.

[0035] The end of each component close to the operator is defined as the distal end, and the end away from the operator is defined as the proximal end. The expression of the proximal end and the distal end is only used to make the description simple and clear, and should not be understood as any limitation on the utility model.

[0036] Referring to the drawings Figures 1-12The application discloses an anastomat assembly with coagulation function, which comprises a cutting knife assembly 1, a nail magazine inner core 4, a nail cartridge assembly 6 and a nail abutting seat assembly 7, wherein the cutting knife assembly 1 comprises a cutting knife head 11, a cutting knife middle piece 12 and a cutting knife side piece 13, the cutting knife head 11 is located at the far end of the cutting knife middle piece 12, and the cutting knife head 11 is fixed together with the cutting knife middle piece 12 and the cutting knife side piece 13; the anastomat assembly further comprises a heating thermocouple assembly 3 and an electric connection assembly, the heating thermocouple assembly is connected with the electric connection assembly; the heating thermocouple assembly 3 is arranged on the cutting knife head 11, and the heating thermocouple assembly 3 can heat the cutting knife head 11; when the cutting knife assembly 1 moves, the electric connection assembly keeps the circuit passage with the heating thermocouple assembly 3. When the anastomat assembly is used in cooperation with an electric anastomat, the suture nail is responsible for the main suture of a surgical site, and the heating cutting knife head part can stop bleeding of capillary vessels at a cutting position.

[0037] The electric connection assembly comprises a cutting knife wire assembly 2 and a nail magazine inner core wire assembly 5; the heating thermocouple assembly 3 is electrically connected with the nail magazine inner core wire assembly 5 through the cutting knife wire assembly 2; the cutting knife wire assembly 2 is arranged on the cutting knife assembly 1, and the nail magazine inner core wire assembly 5 is arranged on the nail magazine inner core 4.

[0038] Further, the cutting knife side piece 13 comprises two pieces which are respectively located at two sides of the cutting knife middle piece 12, and the cutting knife head 11, the cutting knife middle piece 12 and the cutting knife side piece 13 are welded together through laser welding. The cutting knife head 11 comprises a cutting knife edge 1101, and a first mounting structure 1102 is arranged on the cutting knife head 11 and used for mounting the heating thermocouple assembly 3; the heating thermocouple assembly 3 is mounted on the first mounting structure 1102, and the heating thermocouple assembly 3 can quickly heat the cutting knife head 11 after the anastomat assembly is electrified; preferably, the first mounting structure 1102 is a slot hole, and the heating thermocouple assembly 3 is fixed in the slot hole.

[0039] The cutting knife wire arrangement assembly 2 comprises a line control switch 21, a first wire arrangement 22, a wire arrangement joint 23, and an elastic contact sliding block 24. The line control switch 21 is connected to the heating thermocouple assembly 3 at one end and connected to one end of the first wire arrangement 22 at the other end. The other end of the first wire arrangement 22 is connected to the wire arrangement joint 23, and the wire arrangement joint 23 is fixedly connected to the elastic contact sliding block 24. The cutting knife middle piece 12 is provided with a second mounting structure 1201, and the two cutting knife side pieces 13 are respectively provided with a first fixing structure 1301. The line control switch 21 is provided with a second fixing structure 2101 on both sides, and the line control switch 21 is arranged at the second mounting structure 1201 and fixed between the two cutting knife side pieces 13 through the cooperation of the first fixing structure 1301 and the second fixing structure 2101. Preferably, the second mounting structure 1201 is an opening, the line control switch 21 is arranged in the opening, the first fixing structure 1301 is a mounting hole, and the second fixing structure 2101 is a protrusion, which is arranged in the mounting hole to fix the line control switch 21 by the cutting knife side pieces 13.

[0040] The cutting knife middle piece 12 is provided with a third mounting structure 1203, the wire arrangement joint 23 is provided with a fourth mounting structure 2301, and the two cutting knife side pieces 13 are respectively provided with a third fixing structure 1302. The wire arrangement joint 23 is provided with a fourth fixing structure 2302 on both sides, and the third mounting structure cooperates with the fourth mounting structure to mount the wire arrangement joint on the cutting knife middle piece 12. The third fixing structure 1302 cooperates with the fourth fixing structure 2302 to fix the wire arrangement joint 23 between the two cutting knife side pieces 13. Preferably, the third mounting structure 1203 is a first clamping groove, the fourth mounting structure 2301 is a first clamping head matched with the first clamping groove, the first clamping head is clamped into the first clamping groove to fix the wire arrangement joint 23 and the cutting knife middle piece 12; the third fixing structure 1302 is a mounting hole, and the fourth fixing structure 2302 is a protrusion arranged in the mounting hole so that the two cutting knife side pieces 13 clamp the line control switch 23 therebetween.

[0041] Further, the wire arrangement joint 23 is provided with a plug, and the elastic contact sliding block 24 is provided with a slot matched with the shape of the plug. The plug and the slot cooperate to fix the wire arrangement joint 23 and the elastic contact sliding block 24. Preferably, the plug is provided with a protruding structure 2303 on both sides, and the slot is provided with a recess structure 2401 on both sides. The protruding structure 2303 is arranged in the recess structure 2401 to prevent the wire arrangement joint 23 and the elastic contact sliding block 24 from moving in the vertical direction, and the circuit path is completed through the close cooperation of the protruding structure 2303 and the recess structure 2401. The elastic contact sliding block 24 is provided with an elastic contact 2402 on both sides. The first wire arrangement 22 is two, and the two elastic contacts 2402 are respectively electrically connected to the two first wire arrangements 22, thereby forming two electric paths corresponding to the two poles of the heating thermocouple assembly.

[0042] The inner core 4 of the cartridge is used to fix the cartridge assembly 6 and the anvil assembly 7, and the inner core 4 of the cartridge is internally provided with a rack guide, and the cutting knife assembly can move forward and backward in the rack guide. The inner core wire arrangement assembly 5 of the cartridge is installed on the inner core 4 of the cartridge, and the inner core wire arrangement assembly 5 of the cartridge comprises: elastic joints 51 connected with the instrument, connecting wires 52, and power supply rails 53, the elastic joints 51, the connecting wires 52, and the power supply rails 53 are two respectively, and the two ends of the connecting wires 52 are connected with the elastic joints 51 and the power supply rails 53 respectively. The elastic contact points 2402 on both sides of the elastic contact sliding block 24 are in close contact with the two power supply rails 53 respectively. When the anastomat assembly is fired, the elastic contact sliding block 24 slides forward with the cutting knife assembly, and the elastic contact points 242 of the elastic contact sliding block 24 keep in close contact with the power supply rails when moving forward and backward on the power supply rails, so that each elastic joint 51, connecting wire 52, power supply rail 53, elastic contact point 2402, and first wire 22 is connected to form an electric path.

[0043] The outer side of the inner core 4 of the cartridge is provided with a first installation groove 41, a second installation groove 42, and a third installation groove 43, which are used to install the elastic contact 51, the connecting wire 52, and the power supply rail 53 respectively.

[0044] Further, a temperature control system is further included for controlling the temperature of the cutting knife head, and the temperature control system comprises: a temperature detection component and a switch control component, the temperature detection component detects the real-time temperature of the cutting knife head 11, and the switch control component controls the on-off of the line control switch 21; when the temperature detection component detects that the temperature of the cutting knife head reaches the set maximum temperature, the switch control component controls the line control switch 21 to be closed so as to disconnect the circuit, and the cutting knife head is cooled down; when the temperature decreases to the preset minimum temperature, the switch control component controls the line control switch 21 to be opened so as to close the circuit, and the cutting knife head can be quickly heated to the preset temperature, so that the temperature of the cutting knife head is kept at a temperature suitable for making the tissue degenerate. Further, the temperature control system is further provided with a power control button, and the power control button is divided into three gears of low gear, middle gear, and high gear, which correspond to different temperatures respectively. The doctor can adjust the size of the power according to the thickness of the sutured tissue, and the thicker the tissue is, the higher the selected power is, and the faster the cutting knife part of the assembly is heated and the higher the temperature is.

[0045] The anastomat assembly of the present application is used as follows: the anastomat assembly is installed on an electric anastomat for use, when the anastomat assembly is closed, the instrument will energize the anastomat assembly through the electrical connection assembly, after energization, the galvanic heating assembly 3 on the cutting knife head 11 will rapidly heat to preheat the cutting knife head 11, and keep a relatively constant temperature; when the instrument firing confirmation button is pressed, the galvanic heating assembly will heat the cutting knife head 11 again, which can quickly heat to a temperature that can cause tissue degeneration, when the temperature reaches a temperature that can cause rapid tissue degeneration, the temperature control system can detect the real-time temperature of the knife head, and control the on-off of the circuit, when the temperature of the cutting knife head reaches the set maximum temperature, the circuit is disconnected, the cutting knife head is cooled down, when the temperature decreases to the preset minimum temperature, the circuit is closed, the cutting knife head can rapidly heat to the preset temperature. When the cutting knife head is heated to a temperature that can cause tissue degeneration, the anastomat assembly can cause the tissue incision to rapidly deform and scab during suturing and cutting, achieving the function of rapid tissue coagulation. After the tissue cutting is completed, the instrument completes the reset, the anastomat assembly is de-energized, and the anastomat assembly will not be energized again after being closed again, so that the cutting knife head 11 of the assembly can be cooled down quickly, facilitating the replacement of the anastomat assembly.

[0046] The anastomat assembly of the present application cooperates with the electric endoscope anastomat to have the functions of cutting and suturing and coagulating capillary blood vessels of cut tissue, can reduce the amount of bleeding during surgery, recover faster after surgery, and reduce the risk of surgery and postoperative risk; can also reduce the number of times of cleaning the bleeding site during surgery by medical staff, reduce the labor of medical staff, can reduce the length of surgery, and reduce the working intensity of medical staff.

[0047] Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the present application cover any and all variations of the application that come within the scope of the claims and their equivalents. It is intended that the specification and examples be considered exemplary only, with the true scope and spirit of the application indicated by the following claims.

[0048] It should be understood that the present application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the present application. The scope of the present application is limited only by the appended claims.

Claims

1. An anastomosis device assembly having coagulation functionality, comprising: The cutting knife assembly, the inner core of the nail box, the nail cartridge assembly, and the nail abutting seat assembly are provided. The cutting knife assembly comprises a cutting knife head, a cutting knife middle piece, and a cutting knife side piece. The cutting knife head is located at the distal end of the cutting knife middle piece. The cutting knife head is fixed with the cutting knife middle piece and the cutting knife side piece. The stapler assembly further comprises a heating thermocouple assembly and an electrical connection assembly. The heating thermocouple assembly is connected with the electrical connection assembly. The heating thermocouple assembly is arranged on the cutting knife head and can heat the cutting knife head. When the cutting knife assembly moves, the electrical connection assembly and the heating thermocouple assembly keep the circuit path.

2. The anastomosis assembly of claim 1 wherein, The electrical connection assembly comprises a cutting knife wire assembly and a nail box inner core wire assembly. The heating thermocouple assembly is electrically connected with the nail box inner core wire assembly through the cutting knife wire assembly. The cutting knife wire assembly is arranged on the cutting knife assembly, and the nail box inner core wire assembly is arranged on the inner core of the nail box.

3. The anastomosis assembly according to claim 2, wherein, The cutting knife side piece comprises two pieces and is located on both sides of the cutting knife middle piece. The cutting knife head is provided with a first mounting structure for mounting the heating thermocouple assembly.

4. The anastomosis assembly of claim 3 wherein, The cutting knife wire assembly comprises a line control switch, a first wire, a wire connector, and an elastic contact sliding block. One end of the line control switch is connected with the heating thermocouple assembly, and the other end is connected with one end of the first wire. The other end of the first wire is connected with the wire connector. The wire connector is fixedly connected with the elastic contact sliding block.

5. The anastomosis assembly of claim 4 wherein, The cutting knife middle piece is provided with a second mounting structure. The two cutting knife side pieces are respectively provided with a first fixing structure. The line control switch is provided with a second fixing structure on both sides. The line control switch is arranged at the second mounting structure and is fixed between the two cutting knife side pieces through the cooperation of the first fixing structure and the second fixing structure.

6. The anastomosis assembly of claim 4 or 5, wherein, The cutting knife middle piece is provided with a third mounting structure. The wire connector is provided with a fourth mounting structure. The two cutting knife side pieces are respectively provided with a third fixing structure. The wire connector is provided with a fourth fixing structure on both sides. The third mounting structure cooperates with the fourth mounting structure to mount the wire connector on the cutting knife middle piece. The third fixing structure cooperates with the fourth fixing structure to fix the wire connector between the two cutting knife side pieces.

7. The anastomosis assembly of claim 4 wherein, The wire connector is provided with a plug. The elastic contact sliding block is provided with a slot matched with the shape of the plug. The plug and the slot cooperate to fix the wire connector and the elastic contact sliding block.

8. The anastomosis assembly of claim 7 wherein, The plug is provided with a protruding structure on both sides. The slot is provided with a groove structure on both sides. The protruding structure is arranged in the groove structure to prevent the wire connector and the elastic contact sliding block from moving vertically. The circuit path is realized through the close cooperation of the protruding structure and the groove structure.

9. The anastomosis assembly of Claims 4 or 5, wherein, The nail box inner core wire assembly comprises an elastic connector connected with the instrument, a connecting wire, and a power supply rail. The elastic connector, the connecting wire, and the power supply rail are two respectively. The two ends of the connecting wire are connected with the elastic connector and the power supply rail respectively. The elastic contact sliding block is provided with an elastic contact on both sides. The two elastic contacts are in close contact with the two power supply rails respectively.

10. The anastomosis assembly of any one of claims 1-5, wherein, The stapler assembly further comprises a temperature control system for controlling the temperature of the cutting knife head. The temperature control system comprises a temperature detection component and a switch control component. The temperature detection component detects the real-time temperature of the cutting knife head. The switch control component controls the on-off of the line control switch.

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