Electric clip bin type continuous clip applier device

Abstract

The invention relates to an electric clip bin type continuous clip applier device which comprises a handle assembly, an adjusting knob assembly, a connecting rod assembly, a fixed clip bin rod assembly, a clip bin assembly and a clip bin support assembly, the handle assembly is connected with the connecting rod assembly through the adjusting knob assembly, and the fixed clip bin rod assembly is installed at the front end of the connecting rod assembly; the fixed clamping bin rod assembly is connected with the connecting rod assembly in an inserted mode, the clamping bin assembly is connected to the fixed clamping bin rod assembly in a clamped mode, the clamping bin assembly is filled with a plurality of closing clamps, after the closing clamps are triggered by the device, the triggering connecting rod assembly extends forwards, the V-shaped jaw is opened, meanwhile, the closing clamps in the clamping bin assembly are automatically loaded, and automatic and continuous clamping after triggering is achieved. By the adoption of the electric clip bin type continuous shooting clip applier device, it can be guaranteed that after the clip applier enters a human body, automatic clip feeding and continuous triggering of a closed clip can be achieved, the frequency of installing the closed clip and entering and exiting a human body cavity is reduced, the operation infection risk of a patient is reduced, and the workload of medical staff in instrument installation, use, cleaning and maintenance is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, in particular to the field of vascular closure devices, and specifically refers to an electric clip-bin type continuous-fire clip applicator device. Background Art

[0002] Traditional clamp applicators mostly rely on manual operation, which has low operating efficiency. The clamp needs to be manually re-clamped after each firing, and the capacity of the clamp compartment is limited, which leads to frequent replacement of instruments during surgery, prolonging the operation time and increasing the risk of infection for patients. The clamp compartment has a fixed model and cannot adapt to closing clamps of different sizes. Multiple sets of instruments are required to meet diverse clinical needs. Manual clamping and firing rely on the operator's experience, which can easily cause the closing clamp to shift or the jaws to not close tightly due to uneven force, leading to the risk of postoperative bleeding or leakage. In addition, the long-term semi-closed storage state of the clamp compartment can easily cause the clip to age and deform, affecting the use effect. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide an electric clamping pliers device which is easy to operate, has a low workload and a wide range of applications.

[0004] In order to achieve the above-mentioned object, the electric clip-bin type continuous-fire clip applier device of the present invention is as follows:

[0005] The electric clamp magazine type continuous-fire clamping forceps device has the following main features: the device comprises a handle assembly, an adjustment knob assembly, a connecting rod assembly, a fixed clamp magazine rod assembly, a clamp magazine assembly and a clamp magazine bracket assembly; the handle assembly is connected to the connecting rod assembly through an adjustment knob assembly; the fixed clamp magazine rod assembly is installed at the front end of the connecting rod assembly, and the fixed clamp magazine rod assembly is plug-connected with the connecting rod assembly; the clamp magazine assembly is clamped on the fixed clamp magazine rod assembly; 2 to 15 closing clips are loaded in the clamp magazine assembly, and the multiple closing clips are arranged front to back; the fixed clamp magazine rod assembly comprises a firing shell assembly and a firing connecting rod assembly; the firing connecting rod assembly is installed inside the firing shell assembly; the firing connecting rod assembly supports forward and backward movement; a V-shaped jaw is installed at the front end of the firing connecting rod assembly; the device fires the closing clip, the firing connecting rod assembly extends forward, the V-shaped jaw opens, and at the same time, the closing clip in the clamp magazine assembly is automatically loaded, so as to realize automatic and continuous clamping after firing;

[0006] The fixed clamping bin rod assembly has various models, and the device supports replacement of fixed clamping bin rod assemblies of different models.

[0007] Preferably, the connecting rod assembly includes a connecting rod housing and a connecting rod. The connecting rod is installed inside the connecting rod housing. The front end of the connecting rod housing has a housing clamping groove, and the rear end of the firing housing assembly has a housing clamping boss. The connecting rod housing and the firing housing assembly are clamped through the housing clamping groove and the housing clamping boss, and the connecting rod housing drives the firing housing assembly to rotate. The front end of the connecting rod has a connecting rod clamping groove, and the rear end of the firing link assembly has an inner push rod clamping boss. The connecting rod and the firing link assembly are clamped through the connecting rod clamping groove and the inner push rod clamping boss, and the connecting rod drives the firing link assembly to rotate.

[0008] Preferably, the handle assembly includes a housing, a rack transmission assembly, and a handle flange. The rack transmission assembly includes a transmission rack and a connecting collar. The handle flange is located at the front end of the housing. The rack transmission assembly is installed inside the housing. The connecting collar is installed at the front end of the transmission rack. The handle flange is clamped with the knob assembly. The handle flange of the handle assembly is fixedly connected to the connecting rod housing of the connecting rod assembly through the adjustment knob assembly. The connecting collar of the handle assembly is clamped with the connecting rod of the connecting rod assembly, and the connecting rod supports 360° rotation.

[0009] Preferably, the handle assembly further includes a gear power assembly, a firing trigger, and a control button. The firing trigger is installed at the lower side of the handle assembly. The gear power assembly is installed inside the handle assembly and is connected to the rack transmission assembly. The control button is installed at the top of the handle assembly. The gear power assembly includes a battery, a motor, and a gear. The motor is connected to the battery. The gear is installed on the motor and is connected to the transmission rack. If the control button moves forward, the device is turned on. If the control button moves backward, the device is reset.

[0010] Preferably, the rack transmission assembly further includes initial and / or reset control contacts, and firing and / or loading control contacts. The initial and / or reset control contacts are located at the rear end of the transmission rack. The firing and / or loading control contacts are located in the middle of the transmission rack. The handle assembly further includes a travel switch electronic control assembly. The travel switch electronic control assembly includes a firing completion switch and a loading completion switch. The firing completion switch is located at the rear of the loading completion switch. When the firing and / or loading control contacts collide with the firing completion switch, the device completes firing. The V-shaped jaws close inside the square firing sleeve. The rack transmission assembly moves forward. When the firing and / or loading control contacts collide with the loading completion switch, the device completes loading.

[0011] Preferably, the travel switch electronic control assembly starts the motor of the power assembly, drives the gear to rotate, and advances the rack forward. The firing and / or clamping control contacts on the rack run to collide with the clamping completion switch, and the rack stops running to complete the clamping.

[0012] The V-shaped jaw is placed in the square firing sleeve. The firing trigger is pulled, triggering the firing switch. The travel switch electronic control assembly starts the motor of the power assembly, drives the gear to rotate, and reversely advances the rack backward. The firing and / or clamping control contacts on the rack run to collide with the firing completion switch, the closing clamp closes, the firing trigger is released, and the firing switch is no longer triggered. The travel switch electronic control assembly starts the motor of the power assembly, drives the gear to rotate, and advances the rack forward. The firing and / or clamping control contacts on the rack run to collide with the clamping completion switch, and the rack stops running to complete the clamping again.

[0013] Preferably, the firing housing assembly includes a square firing sleeve, a conveying track, a spring piece, a wedge-shaped stopper, a clip bin fixing ring, a spring, and a fixing block. The square firing sleeve is located at the front end of the firing housing assembly and is hollow. The spring piece is located on the inner side wall of the conveying track. The wedge-shaped stopper is located on the side wall of the firing housing assembly. The spring is installed between the square firing sleeve and the clip bin fixing ring. The fixing block is installed on the side wall of the conveying track. When the V-shaped jaw is placed inside the square firing sleeve, the two jaws of the V-shaped jaw close. When the V-shaped jaw extends out of the inside of the square firing sleeve, the two jaws of the V-shaped jaw open.

[0014] Preferably, the firing link assembly includes an inner push rod clamping boss, an inner push rod, a clip carrier push piece, a firing pull piece, and a connection fixer. The inner push rod clamping boss is located at the tail of the inner push rod. The clip carrier push piece is located at the front end of the inner push rod. The firing pull piece is located at the front end of the clip carrier push piece. The connection fixer connects the V-shaped jaw with the firing pull piece. The firing pull piece includes an elastic stopper, a firing pull piece, and a return spring. The return spring is installed on the firing pull piece. The elastic stopper is located at the tail end of the firing pull piece and is below the clip carrier push piece. The surface of the elastic stopper has a curved protrusion. The clip carrier push piece includes a wedge-shaped pull block that engages with the elastic stopper. The connecting rod assembly drives the fixed clip bin rod assembly to rotate, and the wedge-shaped stopper of the firing housing assembly engages and clamps with the elastic stopper.

[0015] Preferably, the wedge-shaped pull block pulls the elastic stop block backward, and the V-shaped jaws move toward the square firing sleeve to complete the closing of the closing clip; when the firing link assembly moves forward, the clip carrier push piece simultaneously pushes all the closing clips forward synchronously, the firing pull piece opens the V-shaped jaws under the action of the return spring, and the upper clip positioning piece pushes the closing clip into the V-shaped jaws to complete automatic clip loading after firing.

[0016] Preferably, the rear end of the clip magazine assembly is inserted into the firing housing assembly of the fixed clip magazine rod assembly, and the front end of the clip magazine assembly is fixed to the clip magazine fixing ring; the clip magazine assembly includes a right clip magazine track and a left clip magazine track, the clip magazine support assembly includes a clip magazine support base, a right fixed support, and a left fixed support, the right fixed support and the left fixed support slide through the base support and the base slide rail respectively, the closing clips on the right clip magazine track and the left clip magazine track are arranged at equal intervals, the right clip magazine track is fixed to the right fixed support, the left clip magazine track is fixed to the left fixed support, and the right fixed support and the left fixed support close toward the middle through the base slide rail respectively; if the flange on the left clip magazine track is inserted and closed with the corresponding locking groove on the right clip magazine track, then the V shape of the closing clip is compressed at this time, and the clip magazine assembly is removed.

[0017] By adopting the electric clip magazine type continuous firing clip applicator device of the present invention, it can ensure that the clip applicator continuously fires closing clips after entering the human body. During the continuous firing process, the closing clips are automatically loaded, reducing the frequency of installing closing clips and entering and exiting the human body cavity, reducing the risk of surgical infection for patients, reducing the surgical time and the probability of bleeding and leakage of fluid from the lumen tissue, and also greatly reducing the workload of medical staff in the installation, use, cleaning and maintenance of the instrument. Brief Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the electric clip magazine type continuous firing clip applicator device of the present invention.

[0019] Figure 2 It is a sectional view of the handle assembly 1 and the adjustment knob assembly 2 of the electric clip magazine type continuous firing clip applicator device of the present invention.

[0020] Figure 3 It is a sectional view of the adjustment knob assembly 2 of the electric clip magazine type continuous firing clip applicator device of the present invention.

[0021] Figure 4 It is a schematic diagram of the structure of the rack transmission assembly 13 of the electric clip magazine type continuous firing clip applicator device of the present invention.

[0022] Figure 5 It is a schematic diagram of the structure of the travel switch electric control assembly 14 of the electric clip magazine type continuous firing clip applicator device of the present invention.

[0023] Figure 6Schematic diagram of the connecting rod assembly 3 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0024] Figure 7 Schematic diagram of the fixed clamping magazine rod assembly 4 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0025] Figure 8 Schematic diagram of the firing outer shell assembly 41 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0026] Figure 9 Schematic diagram of the firing connecting rod assembly 42 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0027] Figure 10 Schematic diagram of the jaw structure of the firing connecting rod assembly 42 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0028] Figures 11a to 11d Schematic diagram of the connection structure between the connecting rod assembly 3 and the fixed clamping magazine rod assembly 4 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0029] Figure 12a Schematic diagram of the combined structure of the clamping magazine assembly 5 and the clamping magazine support assembly 6 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0030] Figure 12b Schematic diagram of the combined structure of the right clamping magazine track and the left clamping magazine track of the clamping magazine assembly 5 and the clamping magazine support assembly 6 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0031] Figure 12c Schematic diagram of the disassembled structure of the clamping magazine assembly 5 and the clamping magazine support assembly 6 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0032] Figure 12d Schematic diagram of the disassembled combined structure of the clamping magazine assembly 5 and the clamping magazine support assembly 6 of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0033] Figure 12e Schematic diagram of the locking groove and locking flange structure of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0034] Figure 13 Schematic diagram of the loading structure of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0035] Figure 14 Schematic diagram of the upper clamping structure of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0036] Figure 15 Detail schematic diagram of the upper clamping structure of the electric clamping magazine type continuous firing clip applicator device of the present invention.

[0037] Figure 16 Schematic diagram of the transmission rack of the upper clamping structure of the electric clamping magazine type continuous firing clamping pliers device of the present invention.

[0038] Figure 17 Schematic diagram of the firing state structure of the electric clamping magazine type continuous firing clamping pliers device of the present invention.

[0039] Figure 18 Detail schematic diagram of the firing state structure of the electric clamping magazine type continuous firing clamping pliers device of the present invention.

[0040] Figure 19 Schematic diagram of the transmission rack of the firing state structure of the electric clamping magazine type continuous firing clamping pliers device of the present invention.

[0041] Reference numerals:

[0042] 1 Handle assembly

[0043] 2 Adjusting knob assembly

[0044] 3 Connecting rod assembly

[0045] 4 Fixed clamping magazine rod assembly

[0046] 5 Clamping magazine assembly

[0047] 6 Clamping magazine bracket assembly

[0048] 11 Handle housing

[0049] 12 Power assembly

[0050] 13 Rack transmission assembly

[0051] 14 Travel switch electric control assembly

[0052] 15 Firing trigger

[0053] 16 Control button

[0054] 17 Handle flange

[0055] 121 Battery

[0056] 122 Motor

[0057] 123 Gear

[0058] 131 Transmission rack

[0059] 132 Connecting snap ring

[0060] 133 Initial and / or reset control contact

[0061] 134 Firing and / or upper clamping control contact

[0062] 141 Programmable control chip

[0063] 142 Control circuit board

[0064] 143 Initial position switch

[0065] 144 Firing completion switch

[0066] 145 Upper clamping completion switch

[0067] 146 Reset switch

[0068] 147 Initial upper clamping switch

[0069] 148 Firing switch

[0070] 31 Connecting rod housing

[0071] 32 Connecting rod

[0072] 311 Housing clamping groove

[0073] 321 Connecting rod clamping groove

[0074] 322 Connecting rod connecting flange

[0075] 41 Firing housing assembly

[0076] 42 Firing connecting rod assembly

[0077] 411 Housing clamping boss

[0078] 412 Square firing sleeve

[0079] 413 Feeding track

[0080] 414 Elastic piece

[0081] 415 Wedge-shaped stop block

[0082] 416 Clip bin fixing ring

[0083] 417 Spring

[0084] 418 Fixed block

[0085] 421 Inner push rod clamping boss

[0086] 422 Inner push rod

[0087] 423 Carrier clip push piece

[0088] 424 Firing pull piece

[0089] 425 Connecting fixture

[0090] 426 V-shaped jaw

[0091] 4231 Wedge-shaped pull block

[0092] 4232 Push-pull piece

[0093] 4233 Carrier clip support piece

[0094] 4234 Upper clip elastic piece

[0095] 4235 Upper clip positioning piece

[0096] 4241 Elastic stop

[0097] 4242 Firing pull piece

[0098] 4243 Return spring

[0099] 42431 Return spring bracket

[0100] 42432 Return spring shaft

[0101] 42433 Compression spring

[0102] 4251 V-shaped jaw connector

[0103] 4252 Upper clip locator

[0104] 51 Right clip bin track

[0105] 52 Left clip bin track

[0106] 511 Right clip bin track boss

[0107] 512 Right fixed groove

[0108] 513 Locking groove

[0109] 522 Left clip bin track boss

[0110] 522 Left fixed groove

[0111] 523 Locking flange

[0112] 61 Clip bin support base

[0113] 62 Right fixed support

[0114] 63 Left fixed support

[0115] 611 Base support

[0116] 612 Base slide rail

[0117] 621 Right support boss

[0118] 631 Left support boss Specific embodiments

[0119] In order to more clearly describe the technical content of the present invention, the following will be further described in conjunction with specific embodiments.

[0120] The electric clip bin type continuous firing clip applying pliers device of the present invention includes a handle assembly 1, an adjustment knob assembly 2, a connecting rod assembly 3, a fixed clip bin rod assembly 4, a clip bin assembly 5 and a clip bin support assembly 6. The handle assembly 1 is connected to the connecting rod assembly 3 through the adjustment knob assembly 2. The fixed clip bin rod assembly 4 is installed at the front end of the connecting rod assembly 3, and the fixed clip bin rod assembly 4 is inserted and connected to the connecting rod assembly 3. The clip bin assembly 5 is clamped on the fixed clip bin rod assembly 4. The clip bin assembly 5 is loaded with 2 to 15 closed clips, and the multiple closed clips are arranged in the front and back. The fixed clip bin rod assembly 4 includes a firing outer shell assembly 41 and a firing connecting rod assembly 42. The firing connecting rod assembly 42 is installed inside the firing outer shell assembly 41. The firing connecting rod assembly 42 supports forward and backward movement. A V-shaped jaw 426 is installed at the front end of the firing connecting rod assembly 42. The device fires the closed clip. The firing connecting rod assembly 42 extends forward, the V-shaped jaw 426 opens, and at the same time, the closed clips in the clip bin assembly 5 are automatically loaded, realizing automatic continuous clip loading after firing.

[0121] The fixed clip bin rod assembly has multiple models, and different models of fixed clip bin rod assemblies are supported for replacement in the device.

[0122] The closed clip is made of non-degradable polymer materials, fully degradable polymer materials, and / or degradable metal materials.

[0123] As a preferred embodiment of the present invention, the connecting rod assembly 3 includes a connecting rod outer shell 31 and a connecting rod 32. The connecting rod 32 is installed inside the connecting rod outer shell 31. The front end of the connecting rod outer shell 31 has an outer shell clamping groove 311, and the rear end of the firing outer shell assembly 41 has an outer shell clamping boss 411. The connecting rod outer shell 31 and the firing outer shell assembly 41 are clamped through the outer shell clamping groove 311 and the outer shell clamping boss 411, and the connecting rod outer shell 31 drives the firing outer shell assembly 41 to rotate. The front end of the connecting rod 32 has a connecting rod clamping groove 321, and the rear end of the firing connecting rod assembly 42 has an inner push rod clamping boss 421. The connecting rod 32 and the firing connecting rod assembly 42 are clamped through the connecting rod clamping groove 321 and the inner push rod clamping boss 421, and the connecting rod 32 drives the firing connecting rod assembly 42 to rotate.

[0124] As a preferred embodiment of the present invention, the handle assembly 1 includes a housing 11, a rack transmission assembly 13, and a handle flange 17. The rack transmission assembly 13 includes a transmission rack 131 and a connecting snap ring 132. The handle flange 17 is located at the front end of the housing 11. The rack transmission assembly 13 is installed inside the housing 11. The connecting snap ring 132 is installed at the front end of the transmission rack 131. The handle flange 17 is snap-connected to the knob assembly 2. The handle flange 17 of the handle assembly 1 is fixedly connected to the connecting rod housing 31 of the connecting rod assembly 3 through the adjustment knob assembly 2. The connecting snap ring 132 of the handle assembly 1 is snap-connected to the connecting rod 32 of the connecting rod assembly 3, and the connecting rod 32 supports 360° rotation.

[0125] As a preferred embodiment of the present invention, the handle assembly 1 further includes a gear power assembly 12, a firing trigger 15, and a control button 16. The firing trigger 15 is installed at the lower side of the handle assembly 1. The gear power assembly 12 is installed inside the handle assembly 1 and is connected to the rack transmission assembly 13. The control button 16 is installed at the top of the handle assembly 1. The gear power assembly 12 includes a battery 121, a motor 122, and a gear 123. The motor 122 is connected to the battery 121. The gear 123 is installed on the motor 122 and is connected to the transmission rack 131. If the control button 16 moves forward, the device is turned on. If the control button 16 moves backward, the device is reset.

[0126] As a preferred embodiment of the present invention, the rack transmission assembly 13 further includes an initial and / or reset control contact 133 and a firing and / or loading control contact 134. The initial and / or reset control contact 133 is located at the rear end of the transmission rack 131. The firing and / or loading control contact 134 is located in the middle of the transmission rack 131. The handle assembly 1 further includes a travel switch electronic control assembly 14. The travel switch electronic control assembly 14 includes a firing completion switch 144 and a loading completion switch 145. The firing completion switch 144 is located at the rear of the loading completion switch 145. When the firing and / or loading control contact 134 collides with the firing completion switch 144, the device completes firing. The V-shaped jaws 426 close inside the square firing sleeve 412. The rack transmission assembly 13 moves forward. When the firing and / or loading control contact 134 collides with the loading completion switch 145, the device completes loading.

[0127] As a preferred embodiment of the present invention, the travel switch electronic control assembly 14 starts the motor 122 of the power assembly 12, drives the gear 123 to rotate, advances the rack 131 forward, and the firing and / or loading control contact 134 on the rack 131 runs to collide with the loading completion switch 145, and the rack 131 stops running to complete the loading.

[0128] The V-shaped jaw 426 is placed in the square firing sleeve 412. The firing trigger 15 is pulled, triggering the firing switch 148. The travel switch electronic control assembly 14 starts the motor 122 of the power assembly 12, drives the gear 123 to rotate, and reversely advances the rack 131 backward. The firing and / or loading control contact 134 on the rack 131 runs to collide with the firing completion switch 144, the closing clip closes, the firing trigger 15 is released, and the firing switch 148 stops being triggered. The travel switch electronic control assembly 14 starts the motor 122 of the power assembly 12, drives the gear 123 to rotate, advances the rack 131 forward, and the firing and / or loading control contact 134 on the rack 131 runs to collide with the loading completion switch 145, and the rack 131 stops running to complete the loading again.

[0129] As a preferred embodiment of the present invention, the firing housing assembly 41 includes a square firing sleeve 412, a conveying track 413, a spring piece 414, a wedge-shaped stopper 415, a clip bin fixing ring 416, a spring 417, and a fixing block 418. The square firing sleeve 412 is located at the front end of the firing housing assembly 41 and is hollow. The spring piece 414 is located on the inner side wall of the conveying track 413. The wedge-shaped stopper 415 is located on the side wall of the firing housing assembly 41. The spring 417 is installed between the square firing sleeve 412 and the clip bin fixing ring 416. The fixing block 418 is installed on the side wall of the conveying track 413. When the V-shaped jaw 426 is placed inside the square firing sleeve 412, the two jaws of the V-shaped jaw 426 close. When the V-shaped jaw 426 extends out of the square firing sleeve 412, the two jaws of the V-shaped jaw 426 open.

[0130] As a preferred embodiment of the present invention, the firing link assembly 42 includes an inner push rod clamping boss 421, an inner push rod 422, a cartridge clip pushing piece 423, a firing pull piece 424, and a connection fixture 425. The inner push rod clamping boss 421 is located at the tail of the inner push rod 422. The cartridge clip pushing piece 423 is located at the front end of the inner push rod 422. The firing pull piece 424 is located at the front end of the cartridge clip pushing piece 423. The connection fixture 425 connects the V-shaped jaw 426 with the firing pull piece 424. The firing pull piece 424 includes an elastic stop 4241, a firing pull piece body 4242, and a return spring 4243. The return spring 4243 is installed on the firing pull piece body 4242. The elastic stop 4241 is located at the tail end of the firing pull piece body 4242 and is below the cartridge clip pushing piece 423. The surface of the elastic stop 4241 has a curved protrusion. The cartridge clip pushing piece 423 includes a wedge-shaped pulling block 4231, and the wedge-shaped pulling block 4231 is engaged with the elastic stop 4241. The connecting rod assembly 3 drives the fixed cartridge clip rod assembly 4 to rotate, and the wedge-shaped stop 415 of the firing housing assembly 41 is engaged and clamped with the elastic stop 4241.

[0131] As a preferred embodiment of the present invention, when the wedge-shaped pulling block 4231 pulls the elastic stop 4241 to move backward, the V-shaped jaw 426 moves toward the square firing sleeve 412 to complete the closing of the closing clip. When the firing link assembly 42 moves forward, the cartridge clip pushing piece 423 simultaneously pushes all the closing clips to move forward synchronously. The firing pull piece 424 opens the V-shaped jaw 426 under the action of the return spring 4243, and the upper clip positioning piece 4235 pushes the closing clip into the V-shaped jaw 426 to complete automatic clip loading after firing.

[0132] As a preferred embodiment of the present invention, the rear end of the cartridge clip assembly 5 is inserted into the firing housing assembly 41 of the fixed cartridge clip rod assembly 4, and the front end of the cartridge clip assembly 5 is fixed to the cartridge clip fixing ring 416. The cartridge clip assembly 5 includes a right cartridge clip track 51 and a left cartridge clip track 52. The cartridge clip support assembly 6 includes a cartridge clip support base 61, a right fixed support 62, and a left fixed support 63. The right fixed support 62 and the left fixed support 63 slide respectively through the base support 611 and the base slide rail 612. The closing clips on the right cartridge clip track 51 and the left cartridge clip track 52 are arranged at equal intervals. The right cartridge clip track 51 is fixed to the right fixed support 62, and the left cartridge clip track 52 is fixed to the left fixed support 63. The right fixed support 62 and the left fixed support 63 close toward the middle respectively through the base slide rail 612. If the flange 523 on the left cartridge clip track 52 is inserted and closed with the corresponding locking groove 513 on the right cartridge clip track 51, then the V-shaped closing clip is compressed at this time, and the cartridge clip assembly 5 is removed.

[0133] In a specific embodiment of the present invention, an electric clamping magazine type continuous firing clip applicator is disclosed, which includes a handle assembly 1, an adjustment knob assembly 2, a connecting rod assembly 3, a fixed clamping magazine rod assembly 4, a clamping magazine assembly 5 and a clamping magazine support assembly 6. The handle assembly 1 is connected to the connecting rod assembly 3 through the adjustment knob assembly 2; the fixed clamping magazine rod assembly 4 is inserted and connected to the connecting rod assembly 3 in a butt joint manner; the clamping magazine assembly 5 is snap-connected to the fixed clamping magazine rod assembly 4; a stroke electric control assembly is arranged in the handle assembly 1 and an automatic clip loading system is arranged in the fixed clamping magazine rod assembly 4.

[0134] After the clip applicator fires and closes the clip, during the process of the jaws opening, the subsequent closing clips are automatically loaded in place, enabling continuous firing.

[0135] The fixed clamping magazine rod assembly 4 and at least 4 types of the clamping magazine assemblies 5 snap-connected thereto can all be inserted and connected to the connecting rod assembly 3 in a butt joint manner.

[0136] There are at least 4 types of closing clips in the clamping magazine assembly 5. 6 to 15 closing clips are installed in the clamping magazine assembly 5, enabling continuous firing and automatic clip loading. The material of the closing clip can be a non-degradable polymer material, or a completely biodegradable polymer material and / or a biodegradable metal material.

[0137] The adjustment knob assembly 2 fixedly connects the handle flange 17 of the handle assembly 1 to the connecting rod assembly 3 and can rotate 360°.

[0138] The fixed clamping magazine rod assembly 4 is inserted and connected to the connecting rod assembly 3 in a butt joint manner, and the inner and outer layers are in double docking. The outer layer is fixedly connected, and after being fixed, the inner layer can move back and forth to achieve the functions of clip loading and firing.

[0139] The clamping magazine assembly 5 is snap-connected to the fixed clamping magazine rod assembly 4. The proximal end is directly inserted into the firing housing assembly 41 of the fixed clamping magazine rod assembly 4, and the distal end is fixed by a clamping magazine fixing ring 416.

[0140] The handle assembly 1 includes a battery, a motor and a gear power assembly 12, a rack transmission assembly 13, a travel switch electric control assembly 14, as well as a housing 11, a firing trigger 15 and a control button 16.

[0141] The rack transmission assembly 13 includes a transmission rack 131, a connecting snap ring 132 and travel control contacts 133, 134. The connecting snap ring 132 is snap-connected to the connecting rod assembly 3. The travel control contact 133 is an initial and / or reset control contact, and the travel control contact 134 is a firing and / or clip loading control contact.

[0142] The travel switch electric control assembly 14 includes a control circuit board 142, a programmable control chip 141, an initial position switch 143, a firing completion switch 144, a clip loading completion switch 145, a reset switch 146, an initial clip loading switch 147 and a firing switch 148.

[0143] The clamping bin assembly 5 is snap-fitted onto the fixed clamping bin rod assembly 4. Pushing the control button 16 activates the travel switch electronic control assembly 14 to start the motor 122, driving the gear 123 to rotate, pushing the rack 131 forward. The travel control contact 134 on the rack 131 runs to the upper clamping completion switch 145, and the rack 131 stops running, completing the upper clamping.

[0144] The V-shaped jaw 426 is placed at the position where the tissue needs to be closed. Pulling the firing trigger 15 triggers the firing switch 148. The travel switch electronic control assembly 14 starts the motor 122 to drive the gear 123 to rotate, pushing the rack 131 backward in reverse. The travel control contact 134 on the rack 131 runs to the firing completion switch 144. After confirming that the closing clip is completely closed, release the firing trigger 15 to stop triggering the firing switch 148. The travel switch electronic control assembly 14 starts the motor 122 to drive the gear 123 to rotate, pushing the rack 131 forward. The travel control contact 134 on the rack 131 runs to the upper clamping completion switch 145, and the rack 131 stops running, completing the upper clamping again.

[0145] The fixed clamping bin rod assembly 4 is provided with a firing housing assembly 41 and a firing link assembly 42.

[0146] The firing housing assembly 41 is provided with a housing snap boss 411, a square firing sleeve 412, a conveying track 413, a spring plate 414, a wedge-shaped stop block 415, a clamping bin fixing ring 416, a spring 417, and a fixing block 418.

[0147] The firing link assembly 42 is provided with an inner push rod snap boss 421, an inner push rod 422, a clip carrier push piece 423, a firing pull piece 424, a connection fixture 425, and a V-shaped jaw 426.

[0148] The clip carrier push piece 423 is provided with a wedge-shaped pull block 4231, a push-pull piece 4232, a clip carrier support piece 4233, an upper clamping spring plate 4234, and an upper clamping positioning piece 4235.

[0149] The firing pull piece 424 is provided with an elastic stop block 4241, a firing pull piece 4242, and a return spring 4243.

[0150] During the process of completing the closing clip firing and upper clamping again, the wedge-shaped pull block 4231 pulls the elastic stop block 4241 to move backward, and the V-shaped jaw 426 moves towards the square firing sleeve 412 to complete the closing of the closing clip; the firing link assembly 42 moves forward, and the clip carrier push piece 423 simultaneously pushes all the closing clips to move forward synchronously. The synchronous firing pull piece 424 opens the V-shaped jaw 426 under the action of the return spring 4243. At the same time, the upper clamping positioning piece 4235 pushes the closing clip into the V-shaped jaw 426 to complete the automatic upper clamping after firing.

[0151] The clamping bin assembly 5 includes a right clamping bin track 51 and a left clamping bin track 52; the clamping bin support assembly 6 includes a clamping bin support base 61, a right fixed support 62, and a left fixed support 63.

[0152] The clamping bin assembly 5 is fixed on the clamping bin support assembly 6. In the initial state, the closing clips are placed in the right clamping bin track 51 and the left clamping bin track 52 at equal intervals in a free state.

[0153] The clamping bin assembly 5 is installed in front of the fixed clamping bin rod assembly 4 and is operated on the clamping bin support assembly 6. The right clamping bin track 51 is fixed on the right fixed support 62, and the left clamping bin track 52 is fixed on the left fixed support 63. Through the base support 611 and the base slide rail 612 on the clamping bin support base 61, the right fixed support 62 and the left fixed support 63 are closed towards the middle until at least 2 locking flanges 523 on the left clamping bin track 52 are inserted into and closed with the corresponding locking grooves 513 on the right clamping bin track 51. At this time, the V-shaped closing clip is compressed. Then, the clamping bin assembly 5 is removed to disengage it from the clamping bin support assembly 6.

[0154] Figure 5 It is a schematic diagram of the structure of the travel switch electronic control assembly 14, that is, the initial state after the fixed clamping bin rod assembly is installed on the connecting rod assembly. Only in the initial state can the clamping bin be opened to replace fixed clips of different models.

[0155] Figure 16 It is a schematic diagram of the transmission rack of the upper clamping structure of the electric clamping bin type continuous clip applying pliers device. That is, after pushing the control button 16 to trigger the initial upper clamping switch 147, the initial upper clamping is performed, that is, the first clip. Pulling the firing switch to trigger the firing trigger 15 triggers the firing switch 148 to start closing the clip. After the clip is closed, the rack starts to move to trigger the firing completion switch 144 to complete the closing of the clip and the movement stops. Releasing the firing trigger 15, the rack moves to trigger the upper clamping completion switch 145 to complete the upper clamping of the second clip and the movement stops. After all the clips are used up, pushing the control button 16 in the reverse direction triggers the reset switch 146, and the rack moves back to Figure 5 the initial state. The following are several embodiments of using this clip applying pliers.

[0156] The process of automatic upper clamping and continuous firing in Embodiment 1 is as follows:

[0157] Initialization:

[0158] The clamping bin assembly 5 pre-loaded with 8 closing clips is snap-connected to the fixed clamping bin rod assembly 4, and the electronic control system 14 is started through the control button 16.

[0159] The motor 122 rotates forward, the gear 123 drives the rack 131 to push forward, and the firing and / or upper clamping control contact 134 triggers the upper clamping completion switch 145, and the clip loading push piece 423 pushes the first closing clip to the V-shaped jaws 426.

[0160] Firing operation:

[0161] Pull the firing trigger 15, trigger the firing switch 148, the motor 122 rotates in reverse, the rack 131 retracts, and the firing pull tab 424 drives the V-shaped jaws to close, completing the clamping.

[0162] The stroke contact 134 touches the firing completion switch 144, the motor 122 rotates forward again, and the clip carrier push piece 423 pushes the next closed clip to the jaws, preparing for the next firing.

[0163] Circulation process:

[0164] Repeat the firing operation until the closed clips in the clip magazine assembly 5 are exhausted, the electronic control system 14 triggers the reset switch 146, and the rack 131 returns to the initial position.

[0165] The process of quickly replacing the clip magazine in Embodiment 2 is as follows:

[0166] Removing the old clip magazine:

[0167] After the operation is completed, press the clip magazine fixing ring 416, the elastic piece 414 releases the spring 417, and take out the empty clip magazine assembly 5.

[0168] Installing the new clip magazine:

[0169] Select a suitable model (such as a small clip magazine), and pre-install the closed clip on the clip magazine support assembly 6:

[0170] The right clip magazine rail 51 and the left clip magazine rail 52 are closed through the base slide rail 612, and the locking flange 523 and the locking groove 513 are inserted and fixed to each other.

[0171] Insert the new clip magazine assembly 5 into the fixed clip magazine rod assembly 4 and snap it into the firing housing assembly 41, and the clip magazine fixing ring 416 is automatically locked.

[0172] Rotate the adjustment knob assembly 2 by 360°, adapt to the size of the new clip magazine, and the travel switch electronic control assembly 14 automatically identifies the clip magazine model and adjusts the travel parameters.

[0173] For the specific implementation solution of this embodiment, reference can be made to the relevant descriptions in the above embodiments, which will not be elaborated here.

[0174] It can be understood that the same or similar parts in the above embodiments can be referred to each other, and the content not detailed in some embodiments can be referred to the same or similar content in other embodiments.

[0175] It should be noted that in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "a plurality of" refers to at least two.

[0176] Any process or method description shown in the flowchart or described otherwise herein can be understood to represent a module, segment, or portion of code including one or more executable instructions for implementing a specific logical function or process. The scope of the preferred embodiments of the present invention includes additional implementations, where functions may be executed in a substantially simultaneous manner or in a reverse order according to the involved functions, rather than in the order shown or discussed, which should be understood by those skilled in the art to which the embodiments of the present invention pertain.

[0177] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution device. For example, if implemented by hardware, as in another embodiment, any one or a combination of the following techniques well known in the art can be used: discrete logic circuits having logic gate circuits for implementing logical functions on data signals, application specific integrated circuits having appropriate combinational logic gate circuits, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.

[0178] Those of ordinary skill in the art of the present technology can understand that all or part of the steps carried by the method of implementing the above embodiments can be completed by instructing relevant hardware through a program, and the corresponding program can be stored in a computer-readable storage medium. When the program is executed, it includes one or a combination of the steps of the method embodiments.

[0179] In addition, each functional unit in the various embodiments of the present invention can be integrated into a processing module, or each unit can exist physically alone, or two or more units can be integrated into one module. The above integrated module can be implemented in the form of hardware or in the form of a software functional module. When the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0180] The above-mentioned storage medium can be a read-only memory, a magnetic disk, an optical disk, or the like.

[0181] In the description of this specification, the descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0182] By adopting the electric clip bin type continuous firing clip applicator device of the present invention, it can ensure that the clip applicator continuously fires and closes the clip after entering the human body. During the continuous firing process, the closing clip is automatically loaded, reducing the frequency of installing the closing clip and entering and exiting the human body cavity, reducing the risk of surgical infection for patients, reducing the operation time and the probability of bleeding and fluid leakage in the lumen tissue, and also greatly reducing the workload of medical staff in the installation, use, cleaning and maintenance of the instrument.

[0183] In this specification, the present invention has been described with reference to its specific embodiments. However, it is obvious that various modifications and variations can still be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.

Claims

1. An electric clip-type continuous-fire clamp applicator device, characterized in that: The device comprises a handle assembly, an adjustment knob assembly, a connecting rod assembly, a fixed clamping magazine rod assembly, a clamping magazine assembly and a clamping magazine bracket assembly, the handle assembly is connected to the connecting rod assembly via an adjustment knob assembly, the fixed clamping magazine rod assembly is installed at the front end of the connecting rod assembly, and the fixed clamping magazine rod assembly is plugged into the connecting rod assembly, the clamping magazine assembly is clamped on the fixed clamping magazine rod assembly, 2 to 15 closing clips are filled in the clamping magazine assembly, and the multiple closing clips are arranged front to back, the fixed clamping magazine rod assembly comprises a firing shell assembly and a firing connecting rod assembly, the firing connecting rod assembly is installed inside the firing shell assembly, the firing connecting rod assembly supports forward and backward movement, and a V-shaped jaw is installed at the front end of the firing connecting rod assembly, after the device fires the closing clip, the firing connecting rod assembly extends forward, the V-shaped jaw opens, and at the same time, the closing clip in the clamping magazine assembly is automatically loaded, so as to realize automatic and continuous clamping after firing; The fixed clamping bin rod assembly has various models, and the device supports replacement of fixed clamping bin rod assemblies of different models.

2. The electric clip-cartridge type continuous-fire clip applier device according to claim 1, characterized in that: The connecting rod assembly includes a connecting rod housing and a connecting rod, the connecting rod is installed inside the connecting rod housing, the front end of the connecting rod housing has a housing clamping groove, the rear end of the firing housing assembly has a housing clamping boss, the connecting rod housing and the firing housing assembly are clamped by the housing clamping groove and the housing clamping boss, and the connecting rod housing drives the firing housing assembly to rotate; the front end of the connecting rod has a connecting rod clamping groove, the rear end of the firing connecting rod assembly has an inner push rod clamping boss, the connecting rod and the firing connecting rod assembly are clamped by the connecting rod clamping groove and the inner push rod clamping boss, and the connecting rod drives the firing connecting rod assembly to rotate.

3. The electric clip-cartridge type continuous-fire clip applier device according to claim 1, characterized in that: The handle assembly includes a shell, a rack transmission assembly and a handle flange, the rack transmission assembly includes a transmission rack and a connecting snap ring, the handle flange is located at the front end of the shell, the rack transmission assembly is installed inside the shell, the connecting snap ring is installed at the front end of the transmission rack, the handle flange is clamped with the knob assembly, the handle flange of the handle assembly is fixedly connected to the connecting rod shell of the connecting rod assembly through an adjustment knob assembly, the connecting snap ring of the handle assembly is clamped with the connecting rod of the connecting rod assembly, and the connecting rod supports 360° rotation.

4. The electric clip-cartridge type continuous-fire clip applier device according to claim 3, characterized in that: The handle assembly also includes a gear power assembly, a firing trigger and a control button. The firing trigger is installed on the lower side of the handle assembly, the gear power assembly is installed inside the handle assembly and is connected to the rack transmission assembly, and the control button is installed on the top of the handle assembly; the gear power assembly includes a battery, a motor and a gear. The battery is installed below the motor, the gear is installed on the motor and is connected to the transmission rack. If the control button moves forward, the device is opened, and if the control button moves backward, the device is reset.

5. The electric clip-cartridge type continuous-fire clip applier device according to claim 3, characterized in that: The rack transmission assembly also includes initial and / or reset control contacts, firing and / or upper clamping control contacts, the initial and / or reset control contacts are located at the rear end of the transmission rack, the firing and / or upper clamping control contacts are located in the middle of the transmission rack, the handle assembly also includes a travel switch electronic control assembly, the travel switch electronic control assembly includes a firing completion switch and an upper clamping completion switch, the firing completion switch is located at the rear end of the upper clamping completion switch, the firing and / or upper clamping control contacts collide with the firing completion switch, the device completes firing, the V-shaped jaws close inside the square firing sleeve, the rack transmission assembly moves forward, the firing and / or upper clamping control contacts collide with the upper clamping completion switch, and the device completes clamping.

6. The electric clip-cartridge type continuous-fire clip applier device according to claim 5, characterized in that: The travel switch electric control assembly starts the motor of the power assembly and drives the gear to rotate, pushing the rack forward, the firing and / or clamping control contacts on the rack run until they collide with the clamping completion switch, the rack stops running, and the clamping is completed; The V-shaped jaws are placed in a square firing sleeve, and the firing trigger is pulled to trigger the firing switch. The travel switch electronic control component starts the motor of the power component and drives the gear to rotate, pushing the rack forward in the opposite direction, and the firing and / or clamping control contacts on the rack run until they collide with the firing completion switch, closing the clamp, releasing the firing trigger, and stopping triggering the firing switch. The travel switch electronic control component starts the motor of the power component and drives the gear to rotate, pushing the rack forward, and the firing and / or clamping control contacts on the rack run until they collide with the clamping completion switch, and the rack stops running to complete the clamping again.

7. The electric clip-cartridge type continuous-fire clip applier device according to claim 1, characterized in that: The firing shell assembly includes a square firing sleeve, a conveying track, a spring, a wedge-shaped block, a clamping magazine fixing ring, a spring and a fixing block. The square firing sleeve is located at the front end of the firing shell assembly, and the square firing sleeve is hollow. The spring is located on the inner wall of the conveying track, the wedge-shaped block is located on the side wall of the firing shell assembly, the spring is installed between the square firing sleeve and the clamping magazine fixing ring, and the fixing block is installed on the side wall of the conveying track. When the V-shaped jaws are placed inside the square firing sleeve, the two jaws of the V-shaped jaws are closed, and when the V-shaped jaws extend out of the square firing sleeve, the two jaws of the V-shaped jaws are opened.

8. The electric clip-cartridge type burst clip applier device according to claim 1, characterized in that: The firing link assembly includes an inner push rod clamping boss, an inner push rod, a carrier clamp push piece, a firing pull piece and a connecting fixture. The inner push rod clamping boss is located at the tail of the inner push rod, the carrier clamp push piece is located at the front end of the inner push rod, the firing pull piece is located at the front end of the carrier clamp push piece, the connecting fixture connects the V-shaped jaws with the firing pull piece, the firing pull piece includes an elastic block, a firing pull piece and a reset spring, the reset spring is installed on the firing pull piece, the elastic block is located at the tail end of the firing pull piece and below the carrier clamp push piece, the surface of the elastic block has a curved protrusion, the carrier clamp push piece includes a wedge-shaped pull block, the wedge-shaped pull block is buckled with the elastic block, the connecting rod assembly drives the fixed clamp magazine rod assembly to rotate, and the wedge-shaped block of the firing shell assembly is buckled and clamped with the elastic block.

9. The electric clip-cartridge type burst clip applier device according to claim 8, characterized in that: The wedge-shaped pull block pulls the elastic stop block backward, and the V-shaped jaw moves toward the square firing sleeve to complete the closing of the closing clamp; when the firing link assembly moves forward, the clamp carrier push piece simultaneously pushes all the closing clamps to move forward synchronously, and the firing pull piece opens the V-shaped jaw under the action of the reset spring, and the upper clamp positioning piece pushes the closing clamp to embed into the V-shaped jaw, and the clamp is automatically closed after the firing is completed.

10. The electric clip-cartridge type burst clip applier device according to claim 1, characterized in that: The rear end of the clamping magazine assembly is inserted into the firing shell assembly of the fixed clamping magazine rod assembly, and the front end of the clamping magazine assembly is fixed to the clamping magazine fixing ring; the clamping magazine assembly includes a right clamping magazine rail and a left clamping magazine rail, and the clamping magazine bracket assembly includes a clamping magazine bracket base, a right fixed bracket, and a left fixed bracket. The right fixed bracket and the left fixed bracket slide through the base bracket and the base slide rail respectively, and the closing clips on the right clamping magazine rail and the left clamping magazine rail are arranged at equal intervals, the right clamping magazine rail is fixed on the right fixed bracket, and the left clamping magazine rail is fixed on the left fixed bracket, and the right fixed bracket and the left fixed bracket are closed to the middle through the base slide rail respectively; if the flange on the left clamping magazine rail is plugged and closed with the corresponding locking groove on the right clamping magazine rail, the closing clip V-shape is compressed at this time, and the clamping magazine assembly is removed.

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