CN106264713B - High frequency electrosurgical surgical instrument - Google Patents
High frequency electrosurgical surgical instrument Download PDFInfo
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- CN106264713B CN106264713B CN201510340128.7A CN201510340128A CN106264713B CN 106264713 B CN106264713 B CN 106264713B CN 201510340128 A CN201510340128 A CN 201510340128A CN 106264713 B CN106264713 B CN 106264713B
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Abstract
The present invention provides a kind of high frequency electrosurgical surgical instruments, comprising: handheld component, the handheld component include triggering unit, and the triggering unit includes clamping trigger and push broach trigger, are respectively used to generate driving；Connecting rod, the connecting rod extend from the handheld component to distal end；The distal end of the connecting rod is arranged in, for clamping tissue in clamping device；Further include: safety device, the safety device are arranged in the handheld component, are connected with the triggering unit, suitable for the push broach trigger according to the position control of the clamping trigger.By the safety device, avoid in the course of surgery, gripping mechanism closure completely before, since push broach trigger is pulled in user's maloperation, appearance such as accidentally cuts, cuts more at the bad phenomenons.It ensure that after gripping mechanism is closed completely from apparatus structure, user can pull push broach trigger and complete cutting action, it is ensured that the safety and validity of operation.
Description
Technical field
The present invention relates to surgical operating instrument fields, and in particular, to a kind of high frequency electrosurgical surgical instrument.
Background technique
High frequency electrosurgical surgical instrument is the surgical operation device for electric coagulation hemostasis in surgical procedure and/or cutting tissue
Tool, it is clinically commonly used.Currently, high frequency electrosurgical surgical instrument cannot be only used for open surgery, it can also be in abdomen
It is used in the endoscope-assistant surgeries such as hysteroscope.High frequency electrosurgical surgical instrument generally includes two kinds of structures of gun-type and jaw type, wherein gun-type knot
The high frequency electrosurgical surgical instrument of structure generally includes clamp, handle with electrode.The high frequency electrosurgical surgical instrument is into one
Step passes through connecting wire and radio-frequency generator and floor push etc. and is connected.High-frequency current, electricity are exported by radio-frequency generator
Stream provides high-frequency electrical energy to body tissue by the electrode being separately positioned on two clamps, keeps the tissue between two electrodes de-
Water-setting is solid, to achieve the purpose that electric coagulation hemostasis.
In use, cutting action must just can be carried out after the completion of protein denaturation after closure.If instrument closes
User operates cocking before closing, and easily occurs the bad phenomenons such as accidentally cutting, cut more, increases operating time, to patient cause compared with
More pain, it is difficult to guarantee the safety and validity of operation.
In addition, gun type of gas burner high frequency electrosurgical surgical instrument in the prior art, inner push-rod, inner sleeve are adopted as in gun barrel
And the structure that outer tube is superimposed, since space is smaller in gun barrel, the size design of part is restricted in gun barrel, causes zero
The strength reduction of part, the service life decline of instrument.Due to space limitations, the Seal Design between part is more difficult,
The risk that will cause gas leakage causes to perplex in endoscope-assistant surgery.
Summary of the invention
Problem to be solved by this invention is gun-type high frequency electrosurgical surgical instrument in the prior art, to miss
It the bad phenomenons such as cuts, cut more, and since gun barrel is using inner push-rod, inner sleeve and the superimposed structure of outer tube, lead to rifle
Interior narrow space is managed, part size design is restricted in gun barrel, to cause part strength to reduce, under instrument service life
Drop.
To solve the above-mentioned problems, a kind of high frequency electrosurgical surgical instrument, comprising: handheld component, the handheld component packet
Triggering unit is included, the triggering unit includes clamping trigger and push broach trigger, is respectively used to generate driving；Connecting rod, the company
Extension bar extends from the handheld component to distal end；The distal end of the connecting rod is arranged in, for clamping tissue in clamping device；Also
It include: safety device, the safety device is arranged in the handheld component, is connected with the triggering unit, is suitable for basis
Push broach trigger described in the position control of the clamping trigger.
Preferably, the safety device includes insurance baffle and safety dog flat spring.
Preferably, the insurance baffle is matched with the clamping trigger and the push broach trigger respectively, suitable for passing through
The movement for stating clamping trigger drives the movement of the insurance baffle, to carry out locking and/or release to the push broach trigger.
Preferably, the safety dog on piece is equipped with attachment device, and the insurance baffle is pulled with the clamping
The movement of machine and move.
Preferably, one end of the safety dog flat spring is connected with the insurance baffle, and the other end is resisted against the hand
It holds on the inner wall of component.
Preferably, the groove with the insurance baffle cooperation is provided on the push broach trigger.
Preferably, the connecting rod includes: outer tube, and the proximal end of the outer tube and the distal end of the handheld component connect
It connects, the distal end of the outer tube is connect with the clamping device；Pull rod, the pull rod are arranged in the outer tube, pass through institute
It states triggering unit and drives the pull rod movement to further control the opening and closing of the clamping device；Push broach bar, the push broach bar
It is arranged side by side with the pull rod, the distal end of the push broach bar is provided with cutter.
Preferably, the pull rod is plate structure.
Preferably, the clamping trigger is connected with the pull rod, suitable for driving the pull rod to move reciprocatingly；It is described to push away
Knife trigger is connected with the push broach bar, suitable for driving the push broach bar to move reciprocatingly.
Preferably, the handheld component includes rotatable parts, and the rotatable parts are connected with the proximal end of the connecting rod,
Suitable for driving the connecting rod rotation.
The above technical solution of the present invention has the following advantages over the prior art:
1. the present invention provides a kind of high frequency electrosurgical surgical instruments, comprising: handheld component, the handheld component include pulling
Machine unit, the triggering unit include clamping trigger and push broach trigger, are respectively used to generate driving；Connecting rod, the connecting rod
Extend from the handheld component to distal end；The distal end of the connecting rod is arranged in, for clamping tissue in clamping device；Further include:
Safety device, the safety device are arranged in the handheld component, are connected with the triggering unit, are suitable for according to the folder
Hold push broach trigger described in the position control of trigger.By the safety device, avoids in the course of surgery, closed in gripping mechanism
Before closing completely, since push broach trigger is pulled in user's maloperation, appearance such as accidentally cuts, cuts more at the bad phenomenons.From apparatus structure
On ensure that after gripping mechanism is closed completely, user can pull push broach trigger complete cutting action, it is ensured that hand
The safety and validity of art.
2. high frequency electrosurgical surgical instrument of the present invention, the connecting rod include: outer tube, the proximal end of the outer tube
It is connect with the distal end of the handheld component, the distal end of the outer tube is connect with the clamping device；Pull rod, the pull rod setting
It is plate structure in the outer tube, drives the pull rod movement thus further described in control by the triggering unit
The opening and closing of clamping device；Push broach bar, the push broach bar and the pull rod are arranged side by side, and are provided with and cut in the distal end of the push broach bar
Cutter.It is same with this instead of cannula structure in the prior art since pull rod uses plate structure, preferably sheet metal structural
When, the push broach bar and the pull rod are disposed side by side in the outer tube, to save the space inside gun barrel；Due to drawing
Bar uses sheet metal structural, and part strength is reinforced, to improve the service life of the parts such as pull rod, reduces electricity
The failure rate of surgical operating instrument.
3. high frequency electrosurgical surgical instrument of the present invention, the pull rod and push broach bar are arranged side by side, due to the drawing
Bar is plate structure, and the push broach bar is rod structure, and existing so that be linear contact between the pull rod and the push broach bar
There is the Electrosurgical instrument of the cannula structure in technology to compare, the frictional force between pull rod and push broach bar greatly reduces, and makes
It is more laborsaving to obtain surgical procedure, alleviates the burden of doctor.
4. high frequency electrosurgical surgical instrument of the present invention, the outer surface of the pull rod and the push broach bar be cased with to
A few sealing ring, so that can be sealed well between the pull rod and the push broach bar and the outer tube, due to
The pull rod uses plate structure, and the push broach bar and the pull rod are arranged side by side, so that in the pull rod and the push broach
It can be cased with multiple sealing rings on bar, to further enhance the sealing effect of gun barrel, greatly reduce in endoscope-assistant surgery mistake
Cheng Zhong, the risk of the gas leakage as caused by instrument.
5. high frequency electrosurgical surgical instrument of the present invention is provided with card line device in the distal end of the pull rod, described
Card line device is suitable for guiding and/or fixing conducting wire.It, may be to setting when avoiding push broach bar push broach due to being provided with card line device
The conducting wire set in connecting rod and clamping device has an impact, to ensure that the stability that instrument uses, it is preferable that the card
The other side opposite with the push broach bar on pull rod is arranged in line apparatus, so as to substantially eliminate push broach bar pair during push broach
The influence of instrument inside conductor.
6. high frequency electrosurgical surgical instrument of the present invention, the handheld component include rotatable parts, the rotation section
Part is connected with the proximal end of the connecting rod, is suitable for driving the connecting rod rotation.It is provided with rotating block in the rotatable parts,
The rotating block is detachably fixed and connect with the pull rod and/or the push broach bar, suitable for driving the pull rod and/or described pushing away
Knife bar is rotated with the rotation of the rotatable parts.Due to being provided with rotating block in rotatable parts, avoids and work as described in rotation
When rotatable parts, since outer tube rotates the proximally and distally stress for driving clamping device rotation to lead to pull rod and/or push broach bar
Uneven problem so that the pull rod and/or push broach bar proximally and distally can be simultaneously with the rotation of the rotatable parts
Then rotation, so as to avoid the risk and problem for causing it to be easy to lose due to pull rod and/or push broach bar unbalance stress.
7. high frequency electrosurgical surgical instrument of the present invention, the pull rod is drivingly connected component by pull rod and pulls with clamping
Machine is connected, and the push broach bar is drivingly connected component by push broach bar and is connected with the push broach trigger, can guarantee driving force
Stablize transmission.Clamp springs are additionally provided in addition, being drivingly connected on component in the pull rod, when needing clamp thicker tissue
When, it is capable of providing and guarantees suitable chucking power.
8. high frequency electrosurgical surgical instrument of the present invention, stable structure, technological feasibility is high, surgical instrument is reduced
Cost and operation cost, alleviate the burden of patient.The cannula structure of instrument can easily reach other instruments and be not easy to reach
The position arrived, so that entire surgical procedure is more convenient.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, in which:
Fig. 1 is the schematic diagram of high frequency electrosurgical surgical instrument of the present invention；
Fig. 2 is the explosive view of high frequency electrosurgical surgical instrument of the present invention；
Fig. 3 A, 3B are the schematic diagrames of an embodiment of the insurance baffle of safety device of the present invention；
Fig. 4 is the sectional view of high frequency electrosurgical surgical instrument of the present invention；
Fig. 5 is the schematic diagram of push broach trigger of the present invention；
Fig. 6 is the schematic diagram of the sealing ring of high frequency electrosurgical surgical instrument of the present invention；
Fig. 7 is that the push broach bar of high frequency electrosurgical surgical instrument of the present invention is drivingly connected showing for the rotating device of component
It is intended to；
Fig. 8 is that the push broach bar of high frequency electrosurgical surgical instrument of the present invention is drivingly connected showing for the reception device of component
It is intended to；
Fig. 9 is the schematic diagram of the clamping trigger attachment of high frequency electrosurgical surgical instrument of the present invention；
Figure 10 is the schematic diagram of the rotating block of the rotatable parts of high frequency electrosurgical surgical instrument of the present invention.
Description of symbols
1- handheld component, 11- handpiece ontology, 12- rotatable parts, 12a, 12b- half component of rotation, 120- rotating block,
1201- bar, 1202- round hole, 1203- rectangular opening, 13- triggering unit, 130- clamp trigger, 1301- pin, 131- push broach
Trigger, 1311- pin, 1312- push broach spring, 1313- groove, 132- clamping trigger lock, 140- rotating device,
The first rotary part of 1401-, the second rotary part of 1402-, 1403- rectangular opening, 1404- circular hole, 1405- boss, 1406- detent
Slot, 141- reception device, 1410- receiving part, 1411- stop bit component, 1412- receive groove, 1413- guide surface, 1414- card
Slot, 1415a-d- drive pin, 143- detent block, 150- pull rod connector, 1501- pin, 151- clamp trigger attachment,
1510- connector ontology, 1511- clamp springs, 1512a, 1512b- spring fitting device, the channel 1513-, 1514- receive recessed
Slot, 2- connecting rod, 21- outer tube, 210- fixed pin, 211a, 211b- locating piece, 22- pull rod, 220- connecting pin, 221- connection
Hole, 223- card line device, 23- push broach bar, 230- retaining groove, 24- cutter, 250- rectangular opening, 251- round hole, 25a-c-
Sealing ring, 3- clamping device, 31- upper clamp, 32- lower clamp, 310,320- link slots, 4- safety device, 41- insure baffle,
The first linking arm of 410-, the hole 411-, the second linking arm of 412-, 42- safety dog flat spring.
Specific embodiment
The embodiment of high frequency electrosurgical surgical instrument described in the present invention is described in detail below with reference to accompanying drawings.Here make
Term " distal end " refers to part or component from user (doctor) farther away instrument, and term " proximal end " refer to from
The closer part of user (doctor) or component；Term " long axis direction " refers to instrument connecting rod along the direction of longer axis.It answers
When understanding, the specific embodiments described herein are merely illustrative of the invention, is not intended to restrict the invention.
As the preferred embodiment of the present invention, as shown in Figure 1, a kind of high frequency electrosurgical surgical instrument, including hand-held part
Part 1, connecting rod 2 and clamping device 3, wherein the handheld component 1 further comprises triggering unit 13, the triggering unit 13
Including clamping trigger 130 and push broach trigger 131, it is respectively used to generate driving；The connecting rod 2 is from the handheld component 1 to remote
End extends；The distal end of the connecting rod 2 is arranged in the clamping device 3, for clamping tissue.The high frequency electrosurgical surgical device
Tool further includes 4 (not shown) of safety device, and the safety device 4 is arranged in the handheld component 1, with the trigger list
Member 13 is connected, suitable for the push broach trigger 131 according to the position control of the clamping trigger 130.
Specifically, as shown in Fig. 2, the connecting rod 2 include outer tube 21 and pull rod 22, the proximal end of the outer tube 21 with
The distal end of the handheld component 1 is connected, and the distal end of the outer tube 21 is connected with the clamping device 3；The pull rod 22
For plate structure, it is preferable that the pull rod is sheet metal structural；The proximal end of the pull rod 22 and the distal end of the handheld component 1 connect
It connects, the distal end of the pull rod 22 and the movable connection of the clamping device 3 control the pull rod 22 by the triggering unit 13
Along the long axis motion of the connecting rod 2, to further control the opening and closing of the clamping device 3.
The clamping device 3 includes upper clamp 31 and lower clamp 32, is divided in the upper clamp 31 and the lower clamp 32
Not She You link slot 310,320, and penetrated in the connecting hole 221 that 22 distal end of pull rod is set by connecting pin 220, thus
It is connected with the distal end of the pull rod 22.The outer tube 21 is socketed on the pull rod 22, passes through fixed pin 210 and the folder
Device 3 is held to be fixedly connected.
As shown in Fig. 2, the connecting rod 2 further comprises push broach bar 23, the push broach bar 23 is arranged in the outer tube
In 21, it is preferable that the push broach bar 23 is arranged side by side with the pull rod 22.The distal end of the push broach bar 23 is provided with cutter
24, it is suitable for cutting tissue.Further, at least one sealing ring 25 is cased on the pull rod 22 and the push broach bar 23, it is excellent
Selection of land is cased with 3 sealing rings 25a, 25b, 25c, mono- side of sealing ring 25a-c on the pull rod 22 and the push broach bar 23
The pull rod 22 and the push broach bar 23 are secured transverse in the outer tube 21 by face, on the other hand, play the work of sealing
With so as to avoid the risk of gas leakage under endoscope-assistant surgery.Specifically, it is equipped on the pull rod 22 and matches with the sealing ring 25
Groove is closed, so that the position of the sealing ring 25 be fixed.The sealing ring 25 on the sealing ring 25 as shown in fig. 6, set
It is equipped with rectangular opening 50, passes through suitable for accommodating the pull rod 22, the side of the rectangular opening is provided with round hole 251, is suitable for holding
The push broach bar 23 of receiving passes through.In addition, being additionally provided with the hole passed through suitable for conducting wire on the sealing ring 25.It should be noted that
Be that the shape of the rectangular opening 250 and the round hole 251 is not limited to rectangle and circle, if its can with it is corresponding
The cross sectional shape of pull rod 22 and push broach bar 23 matches.
As alternative embodiment, on the basis of the above embodiment, as shown in Fig. 2, further, described
The distal end of pull rod 22 is provided with card line device 223, suitable for guiding and/or fixing the (figure of the conducting wire in high frequency electrosurgical surgical instrument
In be not shown).The other side relative to the push broach bar 23 on the pull rod 22 is arranged in the card line device 223, thus
It avoids in instrument use process, since the back and forth movement repeatedly of push broach bar 23 has an impact and wears to conducting wire.
Further, as Figure 1-Figure 4, the handheld component 1 includes handheld component ontology 11, rotatable parts 12 and pulls
Machine unit 13, the rotatable parts 12 are by two half component 12a, 12b compositions of rotation；The triggering unit 13 includes clamping trigger
130 and push broach trigger 131.The clamping trigger 130 is suitable for controlling the pull rod 22 and moves reciprocatingly further to control institute
The closure or openness of clamping device 3 are stated, the push broach trigger 131 is suitable for controlling the reciprocating motion of the push broach bar 23 to drive
The cutter 24 advance or retract.The rotatable parts 12 are socketed in the connecting rod 2, are suitable for by rotating the rotation
Component 12 drives the connecting rod 2 to rotate, so that during surgery, doctor can adjust the clamping device 3 as needed
Angle.
As shown in figures 2 or 4, the safety device 4 includes insurance baffle and safety dog flat spring.The insurance baffle point
It is not matched with the clamping trigger 130 and the push broach trigger 131, suitable for being driven by the movement of the clamping trigger 130
The movement of the insurance baffle, to carry out locking and release to the push broach trigger 131.Specifically, in the safety dog on piece
Equipped with attachment device, the insurance baffle is moved with the movement of the clamping trigger.
One embodiment of the insurance baffle is as shown in Figure 3A, is provided with hole 411 on the insurance baffle 41, fits
In the receiving clamping trigger 130.The first linking arm 410 and the second linking arm are additionally provided at the both ends of the insurance baffle 41
412.With reference to Fig. 2-Fig. 4, one end of the safety dog flat spring 42 is connected with first linking arm 410, and the other end is resisted against
On the inner wall of the handheld component 11.
The another embodiment of the insurance baffle is as shown in Figure 3B, and connection gear is provided on the insurance baffle 51
Piece 52 offsets with the proximal end side of the clamping trigger 130.The first connection is again provided at the both ends of the insurance baffle 51
Arm 510 and the second linking arm 512.
As shown in figure 5, being provided with the groove 1313 cooperated with the insurance baffle 41 on the push broach trigger 131.It is described
The groove 1313 on push broach trigger 131 is matched with the second linking arm 412 of the insurance baffle 41.Specifically, it is detaining
Before moving the clamping trigger 130, the gripping mechanism 3 is in open configuration, second connection of the insurance baffle 41
Arm 412 is inserted into the groove 1313 of the push broach trigger 131, and is offseted with the inner wall of the groove 1313, so that described
Push broach trigger 131 can not be pivoted due to the effect by second linking arm 412, that is, be unable to drive the push broach bar
And it is further driven to the cutter 24 and cuts tissue.After pulling clamping trigger 130, the insurance baffle 41 is with institute
The movement for stating clamping trigger 130 moves to the near end, meanwhile, second linking arm 412 of the insurance baffle 41 is gradually from institute
It states and is exited in the groove 1313 of push broach trigger 131；After the clamping device 3 is closed completely, the insurance baffle 41
Second linking arm 412 is exited out of the push broach trigger 131 the groove 1313 completely, so that the push broach is pulled at this time
Machine 131 can be pulled and realize the cutting to tissue.When decontroling the clamping trigger 130, due to the insurance baffle bullet
The effect of spring 42 pushes the insurance baffle 41 mobile to distal end and makes second linking arm of the insurance baffle 41
412 return back to rapidly in the groove 1313 of the push broach trigger 131, so that the push broach trigger 131 be locked, realize and protect
The function of danger.
As alternative embodiment, further, as shown in Fig. 2, the push broach bar 23 is connected by the driving of push broach bar
Connected components are connected with the push broach trigger 131.The push broach trigger 131 is fixed on by pin 1311 and push broach spring 1312
On the handpiece ontology 11, the push broach trigger 131 can be axis rotation with pin 1311.The push broach bar drive connection group
Part includes rotating device 140 and reception device 141.Specifically, as shown in fig. 7, the rotating device 140 includes the first rotating part
Part 1401, the second rotary part 1402.Rectangular opening 1403, the rectangular opening 1403 are equipped on first rotary part 1401
For through-hole, it is suitable for accommodating the pull rod 22 and passes through the rotating device 140.Circle is additionally provided in the side of the rectangular opening 1403
Hole 1404, the circular hole 1404 is blind hole, suitable for accommodating and limiting the close end of the push broach bar 23.It should be noted that institute
The cross sectional shape for stating rectangular opening 1403 and the circular hole 1404 is not limited to rectangle and circle, as long as it can draw with corresponding
The cross sectional shape of bar 22 and push broach bar 23 matches.Preferably, the diameter of first rotary part 1401 is greater than described
The diameter of second rotary part 1402.Further, on second rotary part 1402 with first rotary part
1401 opposite sides are provided with boss 1405.
In addition, being equipped with retaining groove 230 in the proximal end of the push broach bar 23.Correspondingly, in the rotating device 140
The side of first rotary part 1401 is equipped with detent slot 1406.The push broach bar is drivingly connected component 14 and still further comprises
Detent block 143, as shown in Fig. 2, passing through the detent slot 1406 being inserted into the detent block 143 on first rotary part 1401
And be further connected on the retaining groove 230 of the push broach bar 23, by the stronger fixed company of the push broach bar 23
It connects and is drivingly connected on component 14 in the push broach bar.
Correspondingly, the reception device 141 includes receiving part 1410 and stop bit component 1411, as shown in figure 8, described connect
It receives to be provided on component 1410 and receives groove 1412, second for receiving groove 1412 and being suitable for accommodating the rotating device 140
Rotary part 1402.Preferably, the two sides for receiving groove 1412 are provided with guide surface 1413, are suitable in installation process
In, guide second rotary part 1402 to enter the reception groove 1412.Preferably, in the receiving part 1410 also
It is provided with card slot 1414, the card slot 1414 is matched with the boss 1405 on second rotary part 1402, will be described convex
Platform 1405 is stuck between the reception groove 1412 and the stop bit component 1411.Square is also equipped in the stop bit component 1411
Shape hole (not shown) is passed through suitable for accommodating the pull rod 22.When the rotating device 140 installation is connected to the reception dress
The rectangular opening weight on the rectangular opening 1403 and the reception device 141 when setting in 141, on the rotating device 140
It closes.It is respectively equipped with drive pin 1415a and drive pin 1415b in the two sides of the reception device 141, with the push broach trigger 131
It is connected.When pulling the push broach trigger 131, the drive pin 1415a and the drive pin are driven by push broach trigger 131
1415b is to drive the push broach bar 23 to move reciprocatingly.In order to increase the stability of transmission and increase the strong of drive member
Degree, it is preferable that be respectively equipped with two drive pin 1415a-d in the two sides of the reception device 141, as shown in Figure 2 and Figure 8.When
When pulling push broach trigger 23, push broach trigger can not only drive drive pin 1415a, 1415b distal movement, additionally it is possible to push away simultaneously
Dynamic drive pin 1415c, 1415d distal movement, to further increase the thrust to push broach bar, and further increases and cuts
Cut the cutting force of tissue.
As alternative embodiment, further, as shown in Fig. 2, the pull rod 22 is drivingly connected group by pull rod
Part is connected with the clamping trigger 130.The clamping trigger 130 is fixed on the handpiece ontology 11 by pin 1301
On, it can be rotated around the pin 1301.
It includes pull rod connector 150 and clamping trigger attachment 151 that the pull rod, which is drivingly connected component, such as Fig. 2 and Fig. 9 institute
Show, the pull rod 22 is fixedly connected on the pull rod connector 150 by pin 1501.The clamping trigger attachment 151,
As shown in Fig. 2, including connector ontology 1510, clamp springs 1511 and spring fitting device 1512a, 1512b.In the connection
Part ontology 1510 is equipped with channel 1513, and a part suitable for accommodating the clamping trigger 130 passes through.In addition, in the connection
The distal end of part ontology 1510 is provided with the pull rod connector reception groove 1514 that can accommodate the pull rod connector 150, so that
The pull rod connector 150 is detachably mounted on the connection ontology 1510.The spring fitting device 1512 and described
Clamp springs 1511 are socketed on the connector ontology 1510.When pulling the clamping trigger 130, pulled in the clamping
Under the driving of machine 130, the clamping trigger attachment 151 drives 150 He of pull rod connector along long axis proximal movement
The pull rod 22 further drives the closure of the clamping device 3 along long axis proximal movement.Similarly, by the clamping
When trigger 130 resets, under the driving of the clamping trigger 130, the clamping trigger attachment 151 is transported along long axial distal end
It is dynamic, and drive the pull rod connector 150 and the pull rod 22 along long axial distal movement, and the clamping is further driven to fill
3 opening is set, controls the opening and closing of the clamping device 3 to realize through clamping trigger 130.
As alternative embodiment, further, clamping trigger lock is additionally provided on the handpiece ontology 11
Determine device 132, as shown in Fig. 2, when pulling the clamping trigger 130 to clamp tissue, the clamping trigger lock 132
The clamping trigger 130 is locked, pulls the clamping trigger 130 by continuing, the clamping trigger lock 132 can
The clamping trigger 130 is discharged.
As alternative embodiment, on the basis of the above embodiment, further, in the close of the outer tube
End is additionally provided with locating piece 211a, 211b, as shown in Figure 2.The locating piece 211a, 211b are fixed on the rotatable parts 12
It is interior, and the outer tube 21 is removably secured with the rotatable parts 12 and is connect.
As alternative embodiment, on the basis of the above embodiment, further, in the rotatable parts 12
It is provided with rotating block 120, as shown in figs. 2 and 10, the rotating block 120 can with the pull rod 22 and/or the push broach bar 23
Disassembly is fixedly connected, suitable for driving the pull rod 22 and/or the push broach bar 23 to rotate with the rotation of the rotatable parts 12.
Specifically, as shown in Figure 10, the rotating block 120 includes bar 1201, suitable for being fixed in the shell of the rotatable parts 12.
It is provided with rectangular channel 1203 on the rotating block 120, passes through suitable for accommodating the pull rod 22, is set in the side of the rectangular channel
It is equipped with circular trough 1202, is passed through suitable for accommodating the push broach bar 23.It is suitable for leading in addition, being additionally provided on the rotating block 120
The hole that line passes through.It should be noted that the shape of the rectangular channel 1203 and the circular trough 1202 be not limited to rectangle and
Circle, as long as it can be matched with the cross sectional shape of corresponding pull rod 22 and push broach bar 23.
Obviously, above embodiment is only intended to clearly illustrate example, and does not limit the embodiments.
For those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or it changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this
Or it changes still within the protection scope of the invention.
Claims (8)
1. a kind of high frequency electrosurgical surgical instrument, comprising: handheld component, the handheld component include triggering unit, the trigger
Unit includes clamping trigger and push broach trigger, is respectively used to generate driving；Connecting rod, the connecting rod from the handheld component to
Distal end extends；The distal end of the connecting rod is arranged in, for clamping tissue in clamping device；It is characterized by further comprising: insurance
Device, the safety device are arranged in the handheld component, are connected with the triggering unit, suitable for being pulled according to the clamping
Push broach trigger described in the position control of machine；The safety device includes insurance baffle and safety dog flat spring；The push broach trigger
On be provided with and it is described insurance baffle cooperation groove.
2. high frequency electrosurgical surgical instrument according to claim 1, which is characterized in that the insurance baffle respectively with it is described
Clamping trigger and the push broach trigger match, suitable for driving the fortune of the insurance baffle by the movement of the clamping trigger
It is dynamic, to carry out locking and/or release to the push broach trigger.
3. high frequency electrosurgical surgical instrument according to claim 1, which is characterized in that the safety dog on piece is equipped with connection
Device enables the insurance baffle to move with the movement of the clamping trigger.
4. high frequency electrosurgical surgical instrument according to claim 1, which is characterized in that one end of the safety dog flat spring
It is connected with the insurance baffle, the other end is resisted against on the inner wall of the handheld component.
5. high frequency electrosurgical surgical instrument according to claim 1 to 4, which is characterized in that the connecting rod includes:
Outer tube, the proximal end of the outer tube are connect with the distal end of the handheld component, and the distal end of the outer tube is filled with the clamping
Set connection；Pull rod, the pull rod are arranged in the outer tube, by the triggering unit drive the pull rod movement into
One step controls the opening and closing of the clamping device；Push broach bar, the push broach bar and the pull rod are arranged side by side, in the push broach bar
Distal end is provided with cutter.
6. high frequency electrosurgical surgical instrument according to claim 5, which is characterized in that the pull rod is plate structure.
7. high frequency electrosurgical surgical instrument according to claim 6, which is characterized in that the clamping trigger and the pull rod
It is connected, suitable for driving the pull rod to move reciprocatingly；The push broach trigger is connected with the push broach bar, is suitable for described in driving
Push broach bar moves reciprocatingly.
8. high frequency electrosurgical surgical instrument according to claim 5, which is characterized in that the handheld component includes rotation section
Part, the rotatable parts are connected with the proximal end of the connecting rod, are suitable for driving the connecting rod rotation.
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| CN112932656A (en) * | 2021-02-03 | 2021-06-11 | 南京艾力芬医疗器械有限公司 | Wireless open type tissue closed cutting forceps for electrosurgery and system thereof |
| CN112826586B (en) * | 2021-03-10 | 2022-03-22 | 西安医学院第二附属医院 | Electrocoagulation forceps for gynecological and obstetrical operations |
| CN114617631A (en) * | 2022-01-24 | 2022-06-14 | 以诺康医疗科技（苏州）有限公司 | Safety high-frequency electric knife surgical instrument |
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| CN102813551A (en) * | 2011-06-12 | 2012-12-12 | 封晏 | High-frequency minimally invasive surgery instrument for vascular melt closed cutting |
| CN102835984A (en) * | 2012-09-18 | 2012-12-26 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
| CN204797989U (en) * | 2015-06-11 | 2015-11-25 | 瑞奇外科器械(中国)有限公司 | High frequency electric surgery surgical instruments |
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| US7101371B2 (en) * | 2001-04-06 | 2006-09-05 | Dycus Sean T | Vessel sealer and divider |
| US10070916B2 (en) * | 2013-03-11 | 2018-09-11 | Covidien Lp | Surgical instrument with system and method for springing open jaw members |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813551A (en) * | 2011-06-12 | 2012-12-12 | 封晏 | High-frequency minimally invasive surgery instrument for vascular melt closed cutting |
| CN102835984A (en) * | 2012-09-18 | 2012-12-26 | 常州市康迪医用吻合器有限公司 | Cutting anastomat for surgical operation |
| CN204797989U (en) * | 2015-06-11 | 2015-11-25 | 瑞奇外科器械(中国)有限公司 | High frequency electric surgery surgical instruments |
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Address after: 300457 Tianjin economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Applicant after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 Tianjin economic and Technological Development Zone, Fourth Street, No. 5, block B, floor 4 Applicant before: Reach Surgical Instrument (China) Co.,Ltd. |
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Address after: 300462 No. 120 Xinxing Road, West Development Zone, Tianjin Applicant after: Tianjin Ricky surgical instruments Limited by Share Ltd Address before: 300457 4, B block 5, Fourth Avenue, Tianjin economic and Technological Development Zone. Applicant before: Tianjin Ricky surgical instruments Limited by Share Ltd |
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