Powered, cartridge-fed clip applier

Abstract

The application relates to an electric cartridge-type continuous firing clip applier device which comprises a handle assembly, an adjusting knob assembly, a connecting rod assembly, a fixed cartridge rod assembly, a cartridge assembly and a cartridge support assembly. The handle assembly is connected with the connecting rod assembly through the adjusting knob assembly. The fixed cartridge rod assembly is installed at the front end of the connecting rod assembly and is connected with the connecting rod assembly in a plug-in mode. The cartridge assembly is clamped on the fixed cartridge rod assembly. A plurality of closed clips are filled in the cartridge assembly. After the device fires the closed clips, the firing connecting rod assembly is extended forward, the V-shaped jaw is opened, and the closed clips in the cartridge assembly are automatically loaded, so that the automatic continuous loading after firing is realized. The electric cartridge-type continuous firing clip applier device can ensure that the clip applier enters the human body to automatically load and continuously fire the closed clips, reduces the frequency of installing the closed clips and entering and exiting the human body cavity, reduces the risk of patient operation infection, and greatly reduces the workload of medical staff in the installation and use, cleaning and maintenance of the instrument.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical devices, in particular to the field of vascular closure devices, and more particularly to an electrically powered cartridge-based continuous delivery clip applier. BACKGROUND

[0002] Traditional clip appliers are mostly manually operated, which is inefficient and requires manual reloading of clips after each firing. The limited capacity of the clip cartridge results in frequent replacement of the device during surgery, prolonging the operation time and increasing the risk of infection for the patient. The fixed size of the clip cartridge cannot be adapted to different sizes of closure clips, and multiple sets of devices are required to meet the diverse clinical needs. Manual clip loading and firing rely on the experience of the operator, and uneven force can cause the closure clip to deviate or the jaw to close loosely, leading to postoperative bleeding or leakage risk. In addition, the clip cartridge is in a semi-closed storage state for a long time, which can cause the clip to deform and affect the use effect. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art and provide an electrically powered cartridge-based continuous delivery clip applier that is easy to operate, has low workload, and has a wide range of applications.

[0004] In order to achieve the above purpose, the electrically powered cartridge-based continuous delivery clip applier of the present application is as follows:

[0005] The main feature of the electrically powered cartridge-based continuous delivery clip applier is that the device includes a handle assembly, an adjustment knob assembly, a connecting rod assembly, a fixed clip cartridge rod assembly, a clip cartridge assembly, and a clip cartridge support assembly. The handle assembly is connected to the connecting rod assembly through the adjustment knob assembly. The fixed clip cartridge rod assembly is installed at the front end of the connecting rod assembly and is connected to the connecting rod assembly. The clip cartridge assembly is clamped to the fixed clip cartridge rod assembly. The clip cartridge assembly is filled with 2-15 closure clips, and the multiple closure clips are arranged in front and back. The fixed clip cartridge rod assembly includes a firing housing assembly and a firing link assembly. The firing link assembly is installed inside the firing housing assembly. The firing link assembly can move forward and backward. The front end of the firing link assembly is provided with a V-shaped jaw. The device fires the closure clip. The firing link assembly extends forward, the V-shaped jaw opens, and the closure clip in the clip cartridge assembly is automatically loaded. After firing, the clip is automatically loaded continuously.

[0006] The fixed clip cartridge rod assembly has multiple sizes, and the device supports replacement of different sizes of fixed clip cartridge rod assemblies.

[0007] Preferably, the connecting rod assembly includes a connecting rod and a connecting rod housing, 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.

[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 clasp, the handle flange is located at the front end of the housing, the rack transmission assembly is installed inside the housing, the connecting clasp 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 with the connecting rod housing of the connecting rod assembly through the adjusting knob assembly, the connecting clasp 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 below the side of the handle assembly, the gear power assembly is installed inside the handle assembly and connected with 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 motor is connected with the battery, and the gear is installed on the motor and connected with the transmission rack, if the control button is moved forward, the device is opened, and if the control button is moved backward, the device is reset.

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

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

[0012] Preferably, the V-shaped jaw is placed in the square firing sleeve, the firing trigger is pulled, the firing switch is triggered, the travel switch electric control assembly starts the motor of the power assembly, drives the gear to rotate, and reversely pushes the rack backward, the firing and / or upper clamping control contacts on the rack run to collide with the firing to complete the switch, the closing clamp is closed, the firing trigger is released, the firing switch is stopped from being triggered, the travel switch electric control assembly starts the motor of the power assembly, drives the gear to rotate, and pushes the rack forward, the firing and / or upper clamping control contacts on the rack run to collide with the upper clamping to complete the switch, and the rack stops running to complete the upper clamping again.

[0013] Preferably, the firing shell assembly comprises a square firing sleeve, a conveying track, a spring piece, a wedge-shaped stopper, a clamp storage fixing ring, a spring, and a fixing block, the square firing sleeve is located at the front end of the firing shell 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 shell assembly, the spring is installed between the square firing sleeve and the clamp storage fixing ring, and 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 jaw bodies of the V-shaped jaw are closed, and when the V-shaped jaw extends out of the square firing sleeve, the two jaw bodies of the V-shaped jaw are opened.

[0014] Preferably, the firing connecting rod assembly comprises an inner push rod clamping boss, an inner push rod, a clamp carrying and pushing piece, a firing pull piece, and a connecting fixer, the inner push rod clamping boss is located at the tail of the inner push rod, the clamp carrying and pushing piece is located at the front end of the inner push rod, the firing pull piece is located at the front end of the clamp carrying and pushing piece, the connecting fixer connects the V-shaped jaw and the firing pull piece, the firing pull piece comprises an elastic stopper, a firing pull piece, and a reset spring, the reset spring is installed on the firing pull piece, the elastic stopper is located at the tail end of the firing pull piece and below the clamp carrying and pushing piece, the surface of the elastic stopper has an arc protrusion, the clamp carrying and pushing piece comprises a wedge-shaped pull block, the wedge-shaped pull block is buckled with the elastic stopper, the connecting rod assembly drives the fixed clamp storage rod assembly to rotate, and the wedge-shaped stopper of the firing shell assembly is buckled with the elastic stopper.

[0015] Preferably, the wedge-shaped pull block pulls the elastic block to move backward, the V-shaped jaw moves toward the square firing sleeve, and the closing clamp is closed; when the firing link assembly moves forward, the carrier clamp push piece pushes all the closing clamps to move forward synchronously, the firing pull piece opens the V-shaped jaw under the action of the return spring, the upper clamp positioning piece pushes the closing clamp to embed in the V-shaped jaw, and the upper clamp is automatically closed after firing.

[0016] Preferably, the rear end of the clamp bin assembly is inserted into the firing housing assembly of the fixed clamp bin rod assembly, and the front end of the clamp bin assembly is fixed with the clamp bin fixing ring; the clamp bin assembly comprises right and left clamp bin tracks, and the clamp bin support assembly comprises a clamp bin support base, right and left fixed supports; the right and left fixed supports are respectively slid through the base support and the base slide rail; the closing clamps on the right and left clamp bin tracks are arranged at equal intervals; the right clamp bin track is fixed on the right fixed support, and the left clamp bin track is fixed on the left fixed support; the right and left fixed supports are respectively closed to the middle through the base slide rail; if the flange on the left clamp bin track is inserted into the corresponding locking groove on the right clamp bin track, the V-shaped closing clamp is compressed, and the clamp bin assembly is removed.

[0017] The electric clamp bin type continuous firing clip applier device adopts the application, can ensure that the clip applier enters the human body to continuously fire the closing clamp, automatically closes the closing clamp in the continuous firing process, reduces the frequency of installing the closing clamp and going in and out of the human body cavity, reduces the risk of patient operation infection, reduces the operation time and the probability of lumen tissue bleeding and liquid leakage, and greatly reduces the workload of medical staff in instrument installation, use, cleaning and maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the overall structure of the electric clamp bin type continuous firing clip applier device of the application.

[0019] Figure 2 FIG. 2 is a cross-sectional schematic diagram of the handle assembly 1 and the adjustment knob assembly 2 of the electric clamp bin type continuous firing clip applier device of the application.

[0020] Figure 3 FIG. 3 is a cross-sectional schematic diagram of the adjustment knob assembly 2 of the electric clamp bin type continuous firing clip applier device of the application.

[0021] Figure 4 FIG. 4 is a structural schematic diagram of the rack transmission assembly 13 of the electric clamp bin type continuous firing clip applier device of the application.

[0022] Figure 5 FIG. 5 is a structural schematic diagram of the travel switch electric control assembly 14 of the electric clamp bin type continuous firing clip applier device of the application.

[0023] Figure 6Structure diagram of connecting rod assembly 3 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0024] Figure 7 Structure diagram of fixed cartridge clamp rod assembly 4 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0025] Figure 8 Structure diagram of firing housing assembly 41 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0026] Figure 9 Structure diagram of firing link assembly 42 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0027] Figure 10 Structure diagram of jaw of firing link assembly 42 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0028] Figures 11a-11d Structure diagram of connection of connecting rod assembly 3 and fixed cartridge clamp rod assembly 4 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0029] Figure 12a Structure diagram of combination of cartridge clamp assembly 5 and cartridge clamp support assembly 6 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0030] Figure 12b Structure diagram of combination of right cartridge clamp track and left cartridge clamp track of cartridge clamp assembly 5 and cartridge clamp support assembly 6 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0031] Figure 12c Structure diagram of exploded view of cartridge clamp assembly 5 and cartridge clamp support assembly 6 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0032] Figure 12d Structure diagram of exploded view of combination of cartridge clamp assembly 5 and cartridge clamp support assembly 6 of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0033] Figure 12e Structure diagram of locking groove and locking flange of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0034] Figure 13 Structure diagram of clamping of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0035] Figure 14 Structure diagram of upper clamping of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0036] Figure 15 Detail structure diagram of upper clamping of electrically powered cartridge clamp type continuous firing clip applier device of the present application.

[0037] Figure 16 Detail view of the firing state structure of the electric powered cartridge clip applier device of the present invention.

[0038] Figure 17 Detail view of the firing state structure of the electric powered cartridge clip applier device of the present invention.

[0039] Figure 18 Detail view of the firing state structure of the electric powered cartridge clip applier device of the present invention.

[0040] Figure 19 Detail view of the firing state structure of the electric powered cartridge clip applier device of the present invention.

[0041] REFERENCE NUMBERS:

[0042] 1 Handle assembly

[0043] 2 Adjustment knob assembly

[0044] 3 Connecting rod assembly

[0045] 4 Fixed clip cartridge rod assembly

[0046] 5 Clip cartridge assembly

[0047] 6 Clip cartridge holder assembly

[0048] 11 Handle housing

[0049] 12 Power assembly

[0050] 13 Rack gear drive assembly

[0051] 14 Travel switch electronic 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 Drive rack

[0059] 132 Connecting collar

[0060] 133 Initial and / or reset control contact

[0061] 134 Firing and / or clip apply 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 clamp completion switch

[0067] 146 reset switch

[0068] 147 initial upper clamp 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 conveying track

[0080] 414 spring piece

[0081] 415 wedge-shaped stop block

[0082] 416 clamping chamber fixing ring

[0083] 417 spring

[0084] 418 fixing block

[0085] 421 inner push rod clamping boss

[0086] 422 inner push rod

[0087] 423 clamping push piece

[0088] 424 firing pull piece

[0089] 425 connecting fixer

[0090] 426 V-shaped jaw

[0091] 4231 wedge-shaped pull block

[0092] 4232 push-pull tab

[0093] 4233 carrier bracket

[0094] 4234 upper clamp spring

[0095] 4235 upper clamp positioning piece

[0096] 4241 elastic stopper

[0097] 4242 trigger pull tab

[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 clamp positioner

[0104] 51 right clamp compartment rail

[0105] 52 left clamp compartment rail

[0106] 511 right clamp compartment rail boss

[0107] 512 right fixed groove

[0108] 513 locking groove

[0109] 522 left clamp compartment rail boss

[0110] 522 left fixed groove

[0111] 523 locking flange

[0112] 61 clamp compartment bracket base

[0113] 62 right fixed bracket

[0114] 63 left fixed bracket

[0115] 611 base bracket

[0116] 612 base slide rail

[0117] 621 right bracket boss

[0118] 631 left bracket boss DETAILED DESCRIPTION

[0119] In order to describe the technical contents of the present application more clearly, further description will be made in combination with specific examples.

[0120] The electric clamping cartridge type continuous firing clip applier device of the present application comprises a handle assembly 1, an adjusting knob assembly 2, a connecting rod assembly 3, a fixed clamping cartridge rod assembly 4, a clamping cartridge assembly 5 and a clamping cartridge support assembly 6. The handle assembly 1 is connected with the connecting rod assembly 3 through the adjusting knob assembly 2. The fixed clamping cartridge rod assembly 4 is installed at the front end of the connecting rod assembly 3 and is connected with the connecting rod assembly 3 in a plug-in manner. The clamping cartridge assembly 5 is clamped on the fixed clamping cartridge rod assembly 4. The clamping cartridge assembly 5 is filled with 2-15 closed clips and the closed clips are arranged in front and back. The fixed clamping cartridge rod assembly 4 comprises a firing housing assembly 41 and a firing link assembly 42. The firing link assembly 42 is installed inside the firing housing assembly 41. The firing link assembly 42 is supported to move forward and backward. A V-shaped jaw 426 is installed at the front end of the firing link assembly 42. The device fires the closed clip. The firing link assembly 42 is stretched forward. The V-shaped jaw 426 is opened. At the same time, the closed clip in the clamping cartridge assembly 5 is automatically loaded, so that the device realizes automatic continuous loading after firing.

[0121] The fixed clamping cartridge rod assembly has multiple models. The device supports replacing fixed clamping cartridge rod assemblies of different models.

[0122] The closed clip is made of non-degradable high molecular material, completely degradable high molecular material and / or degradable metal material.

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

[0124] As a preferred embodiment of the present application, the handle assembly 1 comprises a housing 11, a rack drive assembly 13 and a handle flange 17, the rack drive assembly 13 comprises a drive rack 131 and a connecting ring 132, the handle flange 17 is located at the front end of the housing 11, the rack drive assembly 13 is installed inside the housing 11, the connecting ring 132 is installed at the front end of the drive rack 131, the handle flange 17 is clamped with the knob assembly 2, the handle flange 17 of the handle assembly 1 is fixedly connected with the connecting rod housing 31 of the connecting rod assembly 3 through the adjusting knob assembly 2, the connecting ring 132 of the handle assembly 1 is clamped with 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 application, the handle assembly 1 further comprises a gear power assembly 12, a firing trigger 15 and a control button 16, the firing trigger 15 is installed below the side of the handle assembly 1, the gear power assembly 12 is installed inside the handle assembly 1 and connected with the rack drive assembly 13, and the control button 16 is installed on the top of the handle assembly 1; the gear power assembly 12 comprises a battery 121, a motor 122 and a gear 123, the motor 122 is connected with the battery 121, and the gear 123 is installed on the motor 122 and connected with the drive rack 131, if the control button 16 moves forward, the device is opened, and if the control button 16 moves backward, the device is reset.

[0126] As a preferred embodiment of the present application, the rack drive assembly 13 further comprises an initial and / or reset control contact 133 and a firing and / or clamping control contact 134, the initial and / or reset control contact 133 is located at the rear end of the drive rack 131, and the firing and / or clamping control contact 134 is located at the middle of the drive rack 131, the handle assembly 1 further comprises a travel switch electric control assembly 14, the travel switch electric control assembly 14 comprises a firing completion switch 144 and a clamping completion switch 145, the firing completion switch 144 is located at the rear end of the clamping completion switch 145, the firing and / or clamping control contact 134 collides with the firing completion switch 144, the device completes firing, the V-shaped jaw 426 is closed inside the square firing sleeve 412, the rack drive assembly 13 moves forward, the firing and / or clamping control contact 134 collides with the clamping completion switch 145, and the device completes clamping.

[0127] As a preferred embodiment of the present application, the travel switch electric control assembly 14 starts the motor 122 of the power assembly 12 and drives the gear 123 to rotate, which pushes the rack 131 to move forward, and the firing and / or upper clamp control contact 134 on the rack 131 runs to collide with the upper clamp completion switch 145, and the rack 131 stops running, completing the upper clamp.

[0128] When the V-shaped jaw 426 is placed inside the square firing sleeve 412, the firing trigger 15 is pulled, triggering the firing switch 148, the travel switch electric control assembly 14 starts the motor 122 of the power assembly 12 and drives the gear 123 to rotate, which pushes the rack 131 to move backward, and the firing and / or upper clamp control contact 134 on the rack 131 runs to collide with the firing completion switch 144, and the clamp is closed, the firing trigger 15 is released, stopping triggering the firing switch 148, the travel switch electric control assembly 14 starts the motor 122 of the power assembly 12 and drives the gear 123 to rotate, which pushes the rack 131 to move forward, and the firing and / or upper clamp control contact 134 on the rack 131 runs to collide with the upper clamp completion switch 145, and the rack 131 stops running, completing the upper clamp again.

[0129] As a preferred embodiment of the present application, 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 clamp compartment 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 clamp compartment 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 jaw bodies of the V-shaped jaw 426 are closed. When the V-shaped jaw 426 extends out of the square firing sleeve 412, the two jaw bodies of the V-shaped jaw 426 are opened.

[0130] As a preferred embodiment of the present application, the firing link assembly 42 comprises an inner push rod joint boss 421, an inner push rod 422, a carrier clamping push piece 423, a firing pull piece 424 and a connecting fixture 425. The inner push rod joint boss 421 is located at the tail of the inner push rod 422. The carrier clamping push 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 carrier clamping push piece 423. The connecting fixture 425 connects the V-shaped jaw 426 with the firing pull piece 424. The firing pull piece 424 comprises an elastic stopper 4241, a firing pull piece 4242 and a reset spring 4243. The reset spring 4243 is installed on the firing pull piece 4242. The elastic stopper 4241 is located at the tail end of the firing pull piece 4242 and below the carrier clamping push piece 423. The surface of the elastic stopper 4241 has an arc protrusion. The carrier clamping push piece 423 comprises a wedge-shaped pull block 4231 which is buckled with the elastic stopper 4241. The connecting rod assembly 3 drives the fixed clamping compartment rod assembly 4 to rotate. The wedge-shaped stopper 415 of the firing outer shell assembly 41 is buckled and connected with the elastic stopper 4241.

[0131] As a preferred embodiment of the present application, the wedge-shaped pull block 4231 pulls the elastic stopper 4241 to move backward. The V-shaped jaw 426 moves towards the square firing sleeve 412 to complete the closing of the clamping. When the firing link assembly 42 moves forward, the carrier clamping push piece 423 simultaneously pushes all the closing clamps to move forward synchronously. The firing pull piece 424 is opened under the action of the reset spring 4243. The upper clamping positioning piece 4235 pushes the closing clamps to embed into the V-shaped jaw 426 to complete the automatic upper clamping after firing.

[0132] As a preferred embodiment of the present application, the rear end of the clamping compartment assembly 5 is inserted into the firing outer shell assembly 41 of the fixed clamping compartment rod assembly 4. The front end of the clamping compartment assembly 5 is fixed with the clamping compartment fixing ring 416. The clamping compartment assembly 5 comprises a right clamping compartment track 51 and a left clamping compartment track 52. The clamping compartment support assembly 6 comprises a clamping compartment 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 are respectively slid through the base support 611 and the base slide rail 612. The closing clamps on the right clamping compartment track 51 and the left clamping compartment track 52 are arranged at equal intervals. The right clamping compartment track 51 is fixed on the right fixed support 62. The left clamping compartment track 52 is fixed on the left fixed support 63. The right fixed support 62 and the left fixed support 63 are respectively closed to the middle through the base slide rail 612. If the flange 523 on the left clamping compartment track 52 is inserted and closed with the corresponding locking groove 513 on the right clamping compartment track 51, the V-shaped closing clamps are compressed at this time, and the clamping compartment assembly 5 is removed.

[0133] In the embodiment of the present application, an electric continuous firing and clamping forceps is disclosed, which comprises a handle assembly 1, an adjusting knob assembly 2, a connecting rod assembly 3, a fixed clamping rod assembly 4, a clamping rod assembly 5 and a clamping rod support assembly 6. The handle assembly 1 is connected with the connecting rod assembly 3 through the adjusting knob assembly 2. The fixed clamping rod assembly 4 is connected with the connecting rod assembly 3 in a plug-in manner. The clamping rod assembly 5 is clamped on the fixed clamping rod assembly 4. The handle assembly 1 is provided with a stroke electric control assembly, and the fixed clamping rod assembly 4 is provided with an automatic clamping system.

[0134] After the forceps clamps the firing closed clamp, the subsequent closed clamp is automatically loaded in place during the opening of the jaw, and continuous firing can be achieved.

[0135] The fixed clamping rod assembly 4 and the clamping rod assembly 5 clamped thereon can be connected with the connecting rod assembly 3 in a plug-in manner.

[0136] The closed clamp in the clamping rod assembly 5 is not less than four types. The clamping rod assembly 5 is provided with six to fifteen closed clamps, which can achieve continuous firing and automatic clamping. The material of the closed clamp can be non-degradable high polymer material, completely degradable high polymer material and or degradable metal material.

[0137] The adjusting knob assembly 2 fixes the handle flange 17 of the handle assembly 1 with the connecting rod assembly 3 and can rotate by 360 degrees.

[0138] The fixed clamping rod assembly 4 is connected with the connecting rod assembly 3 in a plug-in manner, and is connected in a double-layer plug-in manner. The outer layer is fixedly connected, and the inner layer is fixed and can move forward and backward to achieve the functions of clamping and firing.

[0139] The clamping rod assembly 5 is clamped on the fixed clamping rod assembly 4, the proximal end is directly inserted into the firing shell assembly 41 of the fixed clamping rod assembly 4, and the distal end is fixed by the clamping rod fixing ring 416.

[0140] The handle assembly 1 comprises a battery, a motor and a gear power assembly 12, a rack transmission assembly 13, a stroke switch electric control assembly 14, a shell 11, a firing trigger 15 and a control button 16.

[0141] The rack transmission assembly 13 comprises a transmission rack 131, a connecting clasp 132 and stroke control contacts 133 and 134. The connecting clasp 132 is clamped with the connecting rod assembly 3. The stroke control contact 133 is an initial and or reset control contact, and the stroke control contact 134 is a firing and or clamping control contact.

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

[0143] Clamping bin assembly 5 is clamped on the fixed clamping bin rod assembly 4, push the control button 16, the travel switch electric control assembly 14 starts the motor 122 to drive the gear 123 to rotate, the rack 131 is pushed forward, the travel control contact 134 on the rack 131 runs to the upper clamping completion switch 145, the rack 131 stops running, and the upper clamping is completed.

[0144] V-shaped jaw 426 is placed at the position where the tissue needs to be closed, cock the trigger 15, trigger the trigger switch 148, the travel switch electric control assembly 14 starts the motor 122 to drive the gear 123 to rotate, reversely pushes the rack 131 backward, the travel control contact 134 on the rack 131 runs to the trigger completion switch 144, confirms that the closure clamp is completed after closing, releases the trigger 15, stops triggering the trigger switch 148, the travel switch electric control assembly 14 starts the motor 122 to drive the gear 123 to rotate, pushes 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, and the upper clamping is completed again.

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

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

[0147] The trigger connecting rod assembly 42 is provided with an inner push rod clamping boss 421, an inner push rod 422, a clamping carrying push piece 423, a trigger pull piece 424, a connecting fixer 425 and a V-shaped jaw 426.

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

[0149] The trigger pull piece 424 is provided with an elastic stopper 4241, a trigger pull piece 4242 and a reset spring 4243.

[0150] In the process of completing the closure clamping and triggering and upper clamping again, the wedge-shaped pull block 4231 pulls the elastic stopper 4241 to move backward, the V-shaped jaw 426 moves toward the square trigger sleeve 412, and the closure clamping is completed; the trigger connecting rod assembly 42 moves forward, the clamping carrying push piece 423 pushes all the closure clamps to move forward synchronously, the synchronous trigger pull piece 424 is opened under the action of the reset spring 4243, the V-shaped jaw 426 is opened, the upper clamping positioning piece 4235 pushes the closure clamps to be embedded in the V-shaped jaw 426, and the automatic upper clamping is completed after triggering.

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

[0152] The clip cartridge assembly 5 is fixed to the clip cartridge support assembly 6, and in the initial state, the closed clips are placed in the right clip cartridge track 51 and the left clip cartridge track 52 at equal intervals.

[0153] The clip cartridge assembly 5 is installed in front of the fixed clip cartridge rod assembly 4, and the right clip cartridge track 51 is fixed to the right fixed support 62, and the left clip cartridge track 52 is fixed to the left fixed support 63. By the base support 611 and the base slide rail 612 on the clip cartridge support base 61, the right fixed support 62 and the left fixed support 63 are closed to the middle, and at least two locking flanges 523 on the left clip cartridge track 52 are inserted and closed with the corresponding locking grooves 513 on the right clip cartridge track 51. At this time, the closed clip V-shaped is compressed, and the clip cartridge assembly 5 is removed to separate from the clip cartridge support assembly 6.

[0154] Figure 5 It is a schematic diagram of the stroke switch electric control assembly 14, that is, the initial state after the fixed clip cartridge rod assembly is installed to the connecting rod assembly. Only in the initial state can the clip cartridge be opened to replace different types of fixed clips.

[0155] Figure 16 It is a schematic diagram of the transmission rack of the upper clip structure of the electric clip cartridge type continuous firing forceps device. After the initial upper clip switch 147 is triggered by pushing the control button 16, the initial upper clip, that is, the first clip, is triggered. The firing switch 148 is triggered by pulling the firing trigger 15 to start the clip closing. After the clip is closed, the rack starts to move to trigger the firing completion switch 144 to complete the clip closing, and the movement stops. Release the firing trigger 15, the rack moves to trigger the upper clip completion switch 145 to complete the second clip upper clip, and the movement stops. After all the clips are used up, the reset switch 146 is triggered by reversing the control button 16, and the rack moves to the initial state. Figure 5 The following are several examples of using the forceps.

[0156] The process of automatic upper clip and continuous firing of example 1 is as follows:

[0157] Initialization:

[0158] The clip cartridge assembly 5 with 8 preloaded closed clips is clamped to the fixed clip cartridge rod assembly 4, and the electric control system 14 is started by the control button 16.

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

[0160] Firing operation:

[0161] Pull the trigger 15, trigger the firing switch 148, the motor 122 reverses, the rack 131 pulls back, the firing pull 424 drives the V-shaped jaw to close, and the clamping is completed.

[0162] The travel contact 134 touches the firing completion switch 144, the motor 122 rotates again, the carrier clamping push piece 423 pushes the next closed clamp to the jaw, and prepares for the next firing.

[0163] Loop process:

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

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

[0166] Dismantle the old clip magazine:

[0167] After the operation, press the clip magazine fixing ring 416, release the spring 417, and take out the empty clip magazine assembly 5.

[0168] Install the new clip magazine:

[0169] Select the appropriate model (such as a small clip magazine), and pre-load the closed clamps 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 is inserted into the locking groove 513 to fix.

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

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

[0173] The specific implementation scheme of the embodiment can be referred to the related description in the above embodiments, which will not be repeated here.

[0174] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0175] It should be noted that in the description of the application, the terms "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the application, unless otherwise specified, "a plurality of" means at least two.

[0176] Any procedural or methodological descriptions in flow charts or otherwise described herein can be understood to represent modules, segments, or portions of code that include executable instructions for implementing the specified logical functions or steps, and the scope of preferred embodiments of the present application includes additional implementations in which the functions are performed in an order different from that shown or discussed, including substantially simultaneously, in reverse order, or in an order that is otherwise considered to be equivalent by those skilled in the art of the embodiments.

[0177] It should be understood that portions of the present application can be realized with hardware, software, firmware or a combination thereof. In the above embodiments, a plurality of steps or methods can be realized as software or firmware to be executed by a proper

[0178] Those skilled in the art of the embodiments can understand that all or part of the steps carried out by the above-mentioned embodiments can be instructed by programs to relevant hardware, and the corresponding programs can be stored in a computer readable storage medium, and the programs include one or a combination of the steps of the method embodiments when executed.

[0179] In addition, each functional unit in each embodiment of the present application can be integrated in one processing module, or each unit can be physically present separately, or two or more units can be integrated in one module. The above-mentioned integrated module can be realized in the form of hardware or in the form of a software functional module. The integrated module, if realized in the form of a software functional module and sold or used as an independent product, 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 or an optical disk, etc.

[0181] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means 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 application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0182] The electric clamping-warehouse type continuous firing clip applier device adopts the application, can ensure the clip applier to enter the human body and continuously fire and close the clip, in the continuous firing process, the closed clip is automatically clamped, the frequency of installing the closed clip and going in and out of the human body cavity is reduced, the risk of patient operation infection is reduced, the operation time is reduced, the probability of lumen tissue bleeding and liquid leakage is reduced, and the workload of medical staff in instrument installation, use, cleaning and maintenance is greatly reduced.

[0183] In this specification, the application has been described with reference to particular embodiments thereof. However, it will be apparent that various modifications and changes can be made without departing from the spirit and scope of the application. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.

Claims

1. An electrically powered, clip cartridge-fed, sequential clip applier device characterized by, The device comprises a handle assembly, an adjusting knob assembly, a connecting rod assembly, a fixed clip warehouse rod assembly, a clip warehouse assembly and a clip warehouse support assembly, the handle assembly is connected with the connecting rod assembly through the adjusting knob assembly, the fixed clip warehouse rod assembly is installed at the front end of the connecting rod assembly and is connected with the connecting rod assembly in a plug-in mode, the clip warehouse assembly is clamped on the fixed clip warehouse rod assembly, 2-15 closed clips are filled in the clip warehouse assembly and are arranged in front and back, the fixed clip warehouse 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 is supported to move forward and backward, a V-shaped jaw is installed at the front end of the firing connecting rod assembly, after the device fires the closed clip, the firing connecting rod assembly is stretched forward, the V-shaped jaw is opened, and the closed clip in the clip warehouse assembly is automatically loaded, so that the closed clip is automatically and continuously loaded after firing; The fixed clip warehouse rod assembly has multiple models, and different models of the fixed clip warehouse rod assembly can be replaced in the device; The rear end of the clip warehouse assembly is inserted into the firing shell assembly of the fixed clip warehouse rod assembly, and the front end of the clip warehouse assembly is fixed with a clip warehouse fixing ring; the clip warehouse assembly comprises a right clip warehouse track and a left clip warehouse track, the clip warehouse support assembly comprises a clip warehouse support base, a right fixed support and a left fixed support, the right fixed support and the left fixed support are respectively slid through a base support and a base sliding rail, the closed clips on the right clip warehouse track and the left clip warehouse track are arranged at equal intervals, the right clip warehouse track is fixed on the right fixed support, and the left clip warehouse track is fixed on the left fixed support, and the right fixed support and the left fixed support are respectively closed to the middle through the base sliding rail; if the flange on the left clip warehouse track is plugged into the corresponding locking groove on the right clip warehouse track, the closed clip V-shaped is compressed, and the clip warehouse assembly is removed.

2. The electrically powered, clamping- chamber-type, continuous- firing clip applier device according to claim 1, wherein, The connecting rod assembly comprises a connecting rod shell and a connecting rod, the connecting rod is installed inside the connecting rod shell, the front end of the connecting rod shell has a shell clamping groove, the rear end of the firing shell assembly has a shell clamping boss, the connecting rod shell and the firing shell assembly are clamped through the shell clamping groove and the shell clamping boss, and the connecting rod shell drives the firing shell 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 through 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 electrically powered, clamping- chamber-type, continuous- firing clip applier device according to claim 1, wherein, The handle assembly includes a housing, a rack drive assembly, and a handle flange. The rack drive assembly includes a drive rack and a connecting snap ring. The handle flange is located at the front end of the housing. The rack drive assembly is installed inside the housing. The connecting snap ring is installed at the front end of the drive rack. The handle flange is connected with the knob assembly. The handle flange of the handle assembly is fixedly connected with the connecting rod housing of the connecting rod assembly through the adjusting knob assembly. The connecting snap ring of the handle assembly is connected with the connecting rod of the connecting rod assembly. The connecting rod supports 360° rotation.

4. The electrically powered, clamping- channel, sequential- firing, forceps device according to claim 3, wherein, The handle assembly further includes a gear power assembly, a firing trigger, and a control button. The firing trigger is installed below the side of the handle assembly. The gear power assembly is installed inside the handle assembly and connected with the rack drive assembly. 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 connected with the drive rack. If the control button is moved forward, the device is opened. If the control button is moved backward, the device is reset.

5. The electrically powered, clamping- channel, sequential- firing, forceps device according to claim 4, wherein, The rack drive assembly further includes initial and / or reset control contacts and firing and / or clamping control contacts. The initial and / or reset control contacts are located at the rear end of the drive rack. The firing and / or clamping control contacts are located in the middle of the drive 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 clamping completion switch. The firing completion switch is located at the rear end of the clamping completion switch. The firing and / or clamping control contacts collide with the firing completion switch. The device completes firing. The V-shaped jaw is closed inside the square firing sleeve of the firing housing assembly. The rack drive assembly moves forward. The firing and / or clamping control contacts collide with the clamping completion switch. The device completes clamping.

6. The electrically powered, clamping- channel, sequential- firing, forceps device according to claim 5, wherein, The travel switch electronic control assembly starts the motor of the power assembly and drives the gear to rotate, pushing the drive rack to move forward. The firing and / or clamping control contacts on the drive rack run to collide with the clamping completion switch. The drive rack stops running, completing clamping. 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 and drives the gear to rotate, pushing the drive rack to move backward in reverse. The firing and / or clamping control contacts on the drive rack run to collide with the clamping completion switch. The clamp is closed. The firing trigger is released, stopping the triggering of the firing switch. The travel switch electronic control assembly starts the motor of the power assembly and drives the gear to rotate, pushing the drive rack to move forward. The firing and / or clamping control contacts on the drive rack run to collide with the clamping completion switch. The drive rack stops running, completing clamping again.

7. The electrically powered, clamping- channel, continuous-feed clip applier device of claim 1, wherein, The firing shell assembly comprises a square firing sleeve, a conveying track, a spring, a wedge-shaped stopper, a clamping bin fixing ring, a spring and a fixing block. The square firing sleeve is located at the front end of the firing shell assembly and is hollow. The spring is located on the inner side wall of the conveying track. The wedge-shaped stopper is located on the side wall of the firing shell assembly. The spring is installed between the square firing sleeve and the clamping 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 jaw bodies of the V-shaped jaw are closed. When the V-shaped jaw extends out of the square firing sleeve, the two jaw bodies of the V-shaped jaw are opened.

8. The electrically powered, clamping- channel, continuous-feed clip applier device of claim 1, wherein, The firing link assembly comprises an inner push rod joint boss, an inner push rod, a clamping push piece, a firing pull piece and a connecting fixer. The inner push rod joint boss is located at the tail of the inner push rod. The clamping 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 clamping push piece. The connecting fixer connects the V-shaped jaw and the firing pull piece. The firing pull piece comprises 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 below the clamping push piece. The surface of the elastic stopper has an arc protrusion. The clamping push piece comprises a wedge-shaped pull block which is buckled with the elastic stopper. The connecting rod assembly drives the fixed clamping bin rod assembly to rotate. The wedge-shaped stopper of the firing shell assembly is buckled with the elastic stopper.

9. The electrically powered, clamping- channel, sequential- firing, forceps device according to claim 8, wherein, The wedge-shaped pull block pulls the elastic stopper to move backward, and the V-shaped jaw moves towards the square firing sleeve of the firing shell assembly to complete the closing of the clamping. When the firing link assembly moves forward, the clamping push piece pushes all the closing clamps to move forward synchronously. The firing pull piece opens the V-shaped jaw under the action of the return spring. The upper clamping positioning piece pushes the closing clamps to embed into the V-shaped jaw to complete the automatic clamping after firing.

Images