CN108245240B - Mode joint ring structure of surgical instrument - Google Patents
Mode joint ring structure of surgical instrument Download PDFInfo
- Publication number
- CN108245240B CN108245240B CN201611237516.3A CN201611237516A CN108245240B CN 108245240 B CN108245240 B CN 108245240B CN 201611237516 A CN201611237516 A CN 201611237516A CN 108245240 B CN108245240 B CN 108245240B
- Authority
- CN
- China
- Prior art keywords
- pull rod
- shaft
- connecting shaft
- hole
- clamping block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 22
- 238000000605 extraction Methods 0.000 description 9
- 230000015271 coagulation Effects 0.000 description 5
- 238000005345 coagulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000023555 blood coagulation Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
- A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a mode connecting ring structure of a surgical instrument, which belongs to the field of medical instruments and comprises a pull rod, an outer tube, a connecting shaft and a pull rod rear seat provided with a slot, wherein the pull rod extends back and forth; the pull rod comprises an inner rod and a conical jacking shaft which are in front-back butt joint, the rear part of the conical jacking shaft is conical, a positioning groove is formed in the rear part of the conical jacking shaft, the pull rod is inserted into the pipe cavity of the outer pipe and penetrates through the central hole of the connecting shaft, the rear part of the conical jacking shaft is inserted into the slot of the pull rod rear seat, and the end part of the clamping block extends into the positioning groove. The invention is a mode joint ring structure which is convenient to use, simple in structure and applied to a manually controlled surgical instrument.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a mode joint ring structure of a surgical instrument.
Background
At present, in the operation process of a doctor, the operation electrode is controlled by foot, so that the left foot of the doctor is stressed for a long time, the success rate of the operation of the doctor is influenced, the long-time circulation is realized, the health of the doctor is also influenced, and the walking is inconvenient.
The surgical electrode in the current market is only clamped on the inner tube and the outer tube through one clamping groove, and the connecting mode can cause the spark phenomenon at the rear contact position, so that potential safety hazards are easily caused.
Disclosure of Invention
The invention aims to provide a mode joint ring structure which is convenient to use, simple in structure and applied to a manually controlled surgical instrument.
In order to achieve the above purpose, the invention adopts the following technical scheme: the mode connecting ring structure of the surgical instrument comprises a pull rod, an outer tube, a connecting shaft and a pull rod rear seat provided with a slot, wherein the pull rod extends back and forth; the pull rod comprises an inner rod and a conical jacking shaft which are in front-back butt joint, the rear part of the conical jacking shaft is conical, a positioning groove is formed in the rear part of the conical jacking shaft, the pull rod is inserted into the pipe cavity of the outer pipe and penetrates through the central hole of the connecting shaft, the rear part of the conical jacking shaft is inserted into the slot of the pull rod rear seat, and the end part of the clamping block extends into the positioning groove.
The connecting shaft is a rotating shaft.
The tubular cap is used for connecting the outer tube and the connecting shaft together, a second-order stepped hole is formed in the cap, the second-order stepped hole comprises a front side hole and a rear side hole which are arranged in front of and behind the connecting shaft and are communicated with each other, the aperture of the front side hole is smaller than that of the rear side hole, the rear side hole is an internal threaded hole, a stepped surface is arranged between the front side hole and the rear side hole, an external thread is arranged at the front end of the connecting shaft, the rear part of the outer tube is inserted into the front side hole, and the front end of the connecting shaft is in threaded connection with the rear side hole; the rear end of the outer tube is fixedly provided with an outer tube flange which is clamped between the front end face and the step face of the connecting shaft.
The clamping block, the pull rod backseat, the conical jacking shaft and the inner rod are conductors, the clamping block is contacted with the pull rod backseat and the conical jacking shaft, and the front end of the conical jacking shaft is contacted with the rear end of the inner rod.
The mode connecting ring structure of the surgical instrument can be controlled manually, so that the operation of a doctor can be more convenient, and the health of the doctor can be improved. The clamping block is contacted with the rear seat of the pull rod and the conical top shaft surface, so that the contact area is large, the ignition phenomenon can not be generated, and the potential safety hazard of ignition is eliminated.
Drawings
FIG. 1 is a schematic structural view of a mode collar mechanism;
FIG. 2 is a schematic view of the structure of the union cap;
FIG. 3 is a schematic structural view of embodiment 2
Fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is a use state reference diagram of embodiment 2;
In the figure: tool bit assembly 1, drive rod 2, inner rod 3, outer tube 4, union cap 5, center hole 6, rear suction hole 7, suction tube 8, wheel 9, positioning sleeve 10, fixture 11, front limiter 12, front 13, tapered top shaft 14, upper limiter 15, semi-spherical surface 16, sphere 17, lower limiter 18, guide portion 19, rear spring clamping groove 20, housing 21, return spring 22, swing rod 23, grip portion 24, wrench 25, setting switch 26, cut-off 27, suction groove 28, suction collar 29, connecting shaft 30, front spring clamping groove 31, flared mouth 32, rod portion 33, positioning clamping groove 34, flange 35, positioning sphere 36, positioning spring 37, limiting support tube 38, rear seat hole 39, second tool bit 40, first tool bit 41, tool bit seat 42, cutter tooth 43, front hinge shaft 44, rear hinge shaft 45, front suction hole 46, wire 48, plug 49, main body 50, front 51, side hole 52, rear side hole 53, heat shrink tube 54, fixture spring 55, flange 56, slot 57.
Detailed Description
Example 1:
The mode joint ring structure of the surgical instrument shown in fig. 1 and 2 comprises a pull rod, an outer tube 4, a connecting shaft 30 and a pull rod backseat provided with a slot 57, wherein the pull rod is a straight rod extending from front to back, the outer tube 4, the connecting shaft 30 and the pull rod backseat are sequentially arranged from front to back, the outer tube 4, the connecting shaft 30 and the pull rod backseat are all extending from front to back, the connecting shaft 30 and the pull rod backseat are arranged at intervals from front to back, the connecting shaft 30 is provided with a front-back axial through center hole 6, the connecting shaft 30 is a tubular hollow shaft, a pipe cavity (namely a pipe hole) of the outer tube 4 is communicated with the front side of the center hole 6, the slot 57 is arranged on the front end face of the pull rod backseat, the slot 57 extends from front to back and the notch of the slot 57 faces forward, a clamping block groove is formed in the groove wall face of the slot 57, a clamping block spring 55 and a clamping block 11 positioned outside the clamping block spring 55 are arranged in the clamping groove, one end of the clamping block spring 55 is connected with the bottom face of the clamping block groove, and the other end of the clamping block spring 55 is connected with the clamping block 11.
The outer ring of the outer tube 4 is coated with a heat shrinkage tube 54, the pull rod comprises an inner rod 3 and a conical top shaft 14 which are in front-back butt joint, the inner rod 3 and the conical top shaft 14 extend back and forth and are positioned on the same straight line extending back and forth, the rear end of the inner rod 3 is welded with the front end of the conical top shaft 14, the rear part of the conical top shaft 14 is conical, the rear part of the conical top shaft 14 is provided with a positioning groove, the rear end of the conical top shaft 14 is in conical shrinkage, and the positioning groove is an annular groove surrounding the surface of the outer ring of the rear part of the conical top shaft 14. The pull rod is inserted into the lumen of the outer tube 4 and penetrates through the central hole 6 of the connecting shaft 30, a limiting support tube 38 sleeved on the outer ring of the conical top shaft 14 is arranged in the central hole 6 of the connecting shaft 30, namely, the connecting shaft 30, the limiting support tube 38 and the conical top shaft 14 are sequentially sleeved from outside to inside, and the inner diameter of the tube of the limiting support tube 38 is larger than the diameter of the conical top shaft 14 so as to leave a certain margin for the movement of the conical top shaft 14.
The rear part of the conical jacking shaft 14 is inserted into the slot 57 of the pull rod backseat, the end part of the clamping block 11 stretches into the positioning groove, one part of the clamping block 11 is positioned in the clamping block groove, the other part of the clamping block 11 is positioned in the positioning groove, the clamping block 11, the pull rod backseat and the pull rod (comprising a transmission rod, the inner rod 3 and the conical jacking shaft 14) are all conductors, the clamping block 11 is contacted with the pull rod backseat and the conical jacking shaft 14, the front end of the conical jacking shaft 14 is contacted with the rear end of the inner rod 3, the clamping block 11 is in surface contact with the pull rod backseat and is also in surface contact with the conical jacking shaft 14, namely, the outer surface part of the clamping block 11 positioned in the slot 57 is in surface contact with the bottom surface and/or the groove wall surface of the slot, the outer surface part of the clamping block 11 positioned in the positioning groove is in surface contact with the bottom surface and/or the groove wall surface of the positioning groove, and the pull rod backseat is provided with a wiring terminal. The clamping block is contacted with the rear seat of the pull rod and the conical top shaft surface, so that the contact area is large, the ignition phenomenon can not be generated, and the potential safety hazard of ignition is eliminated.
A tubular cap 5 connects the outer tube 4 and the connecting shaft 30 together, a second-order stepped hole is arranged in the cap 5, the second-order stepped hole is a through hole penetrating through the cap 5 from front to back, the second-order stepped hole comprises a front side hole 51 and a rear side hole 53 which are arranged from front to back and communicated, the aperture of the front side hole 51 is smaller than that of the rear side hole 53, the rear side hole 53 is an internal threaded hole, a stepped surface 52 is arranged between the front side hole 51 and the rear side hole 53, an external thread is arranged at the front end of the connecting shaft 30, and the front end of the connecting shaft 30 is in threaded connection with the rear side hole 53.
The rear end of the outer tube 4 is fixedly provided with an outer tube flange 56, the outer tube flange 56 is welded at the rear end port of the outer tube 4, the rear part of the outer tube 4 is inserted into the front hole 51, the outer tube flange 56 is clamped between the front end face of the connecting shaft 30 and the stepped face 52, the outer tube flange 56 is blocked at the rear side of the stepped face 52, and preferably, the outer tube flange 56 is connected with the front end face of the stepped face 52 through screws.
The tie rod is spaced from the outer tube 4 and also from the connecting shaft 30.
The connecting shaft 30 is a rotating shaft, an annular rotating wheel 9 is fixedly sleeved on the outer ring of the connecting shaft 30, the rotating wheel 9 drives the connecting shaft 30 to rotate,
The connecting shaft 30 is provided with a flange 35, the flange 35 is an annular bulge surrounding the outer ring of the connecting shaft 30, the flange 35 is fixedly connected with the rotating wheel 9, a positioning sleeve 10 is sleeved on the outer ring of the connecting shaft 30, the positioning sleeve 10 is fixed in the shell 21, the positioning sleeve 10 is arranged at the rear side of the flange 35, a positioning groove extending forwards and backwards is formed in the front end face of the positioning sleeve 10, facing the flange 35, a positioning spring 37 is arranged in the positioning groove, a positioning ball 36 is arranged at the front side of the positioning spring 37, namely the positioning spring 37 is positioned between the bottom surface of the positioning groove and the positioning ball 36, a plurality of positioning clamping grooves 34 are uniformly distributed on the rear end face of the flange 35 at intervals in sequence around the central axis of the connecting shaft 30, the positioning clamping grooves 34 are cylindrical grooves or hemispherical grooves, and the front part 13 of the positioning ball 36 stretches into one of the positioning clamping grooves 34.
Example 2:
The mode connection ring structure of the surgical instrument shown in fig. 3-5 comprises a shell 21, wherein the shell 21 is provided with a holding part 24 and a spanner 25, the rear end of the shell 21 is provided with a downward extending part, namely the holding part 24, and the whole shell 21 is L-shaped or pistol-shaped. The casing 21 is provided with a coagulation switch 26 and a cut-off switch 27, and the coagulation switch 26 and the cut-off switch 27 are also called an electrocoagulation switch or an electric cut-off switch, respectively, and the coagulation switch and the cut-off switch are both prior art, and are not described in detail.
The embodiment 1 of the mode ring-connecting mechanism is arranged in the shell 21, the mode ring-connecting mechanism comprises a pull rod, an outer tube 4, a connecting shaft 30 and a pull rod rear seat provided with a slot 57, the pull rod is a straight rod extending back and forth, the outer tube 4, the connecting shaft 30 and the pull rod rear seat are sequentially arranged from front to back, the outer tube 4, the connecting shaft 30 and the pull rod rear seat are all extending back and forth, the connecting shaft 30 and the pull rod rear seat are arranged at intervals, the connecting shaft 30 is provided with a front-back axial through center hole 6, the connecting shaft 30 is a tubular hollow shaft, a pipe cavity (i.e. a pipe hole) of the outer tube 4 is communicated with the front side of the center hole 6, the slot 57 is arranged on the front end face of the pull rod rear seat, the slot 57 extends back and forth, a slot opening of the slot 57 faces forward, a clamping block groove is arranged on the slot wall face of the slot 57, a clamping block spring 55 and a clamping block 11 positioned outside the clamping block spring 55 are arranged in the clamping block groove, one end of the clamping block spring 55 is connected with the slot bottom face of the clamping block groove, and the other end of the clamping block spring 55 is connected with the clamping block 11.
The outer ring of the outer tube 4 is coated with a heat shrinkage tube 54, the pull rod comprises an inner rod 3 and a conical top shaft 14 which are in front-back butt joint, the inner rod 3 and the conical top shaft 14 extend back and forth and are positioned on the same straight line extending back and forth, the rear end of the inner rod 3 is welded with the front end of the conical top shaft 14, the rear part of the conical top shaft 14 is conical, the rear part of the conical top shaft 14 is provided with a positioning groove, the rear end of the conical top shaft 14 is in conical shrinkage, and the positioning groove is an annular groove surrounding the surface of the outer ring of the rear part of the conical top shaft 14. The pull rod is inserted into the lumen of the outer tube 4 and penetrates through the central hole 6 of the connecting shaft 30, a limiting support tube 38 sleeved on the outer ring of the conical top shaft 14 is arranged in the central hole 6 of the connecting shaft 30, namely, the connecting shaft 30, the limiting support tube 38 and the conical top shaft 14 are sequentially sleeved from outside to inside, and the inner diameter of the tube of the limiting support tube 38 is larger than the diameter of the conical top shaft 14 so as to leave a certain margin for the movement of the conical top shaft 14.
The rear part of the conical jacking shaft 14 is inserted into the slot 57 of the pull rod backseat, the end part of the clamping block 11 stretches into the positioning groove, one part of the clamping block 11 is positioned in the clamping block groove, the other part of the clamping block 11 is positioned in the positioning groove, the clamping block 11, the pull rod backseat and the pull rod (comprising a transmission rod, the inner rod 3 and the conical jacking shaft 14) are all conductors, the clamping block 11 is contacted with the pull rod backseat and the conical jacking shaft 14, the front end of the conical jacking shaft 14 is contacted with the rear end of the inner rod, the clamping block 11 is contacted with the pull rod backseat and is contacted with the conical jacking shaft 14, namely, the outer surface part of the clamping block 11 positioned in the slot 57 is contacted with the bottom surface and/or the groove wall surface of the slot, the outer surface part of the clamping block 11 positioned in the positioning groove is contacted with the bottom surface and/or the groove wall surface of the positioning groove, and the pull rod backseat is provided with a wiring terminal.
A tubular cap 5 connects the outer tube 4 and the connecting shaft 30 together, a second-order stepped hole is arranged in the cap 5, the second-order stepped hole is a through hole penetrating through the cap 5 from front to back, the second-order stepped hole comprises a front side hole 51 and a rear side hole 53 which are arranged from front to back and communicated, the aperture of the front side hole 51 is smaller than that of the rear side hole 53, the rear side hole 53 is an internal threaded hole, a stepped surface 52 is arranged between the front side hole 51 and the rear side hole 53, an external thread is arranged at the front end of the connecting shaft 30, and the front end of the connecting shaft 30 is in threaded connection with the rear side hole 53.
The rear end of the outer tube 4 is fixedly provided with an outer tube flange 56, the outer tube flange 56 is welded at the rear end port of the outer tube 4, the rear part of the outer tube 4 is inserted into the front hole 51, the outer tube flange 56 is clamped between the front end face of the connecting shaft 30 and the stepped face 52, the outer tube flange 56 is blocked at the rear side of the stepped face 52, and preferably, the outer tube flange 56 is connected with the front end face of the stepped face 52 through screws. The front end of the shell 21 is provided with a cap combining hole, the front part 13 of the cap 5 extends out of the shell 21 forwards from the cap combining hole, and the cap 5 can rotate.
The front end of the outer tube 4 and the front end of the pull rod extend forwards out of the shell 21. The tie rod is spaced from the outer tube 4 and also from the connecting shaft 30.
The front side of the outer tube 4 is provided with a cutter head assembly 1, the cutter head assembly 1 comprises a cutter head seat 42, a first cutter head 41 and a second cutter head 40, the cutter head seat 42 is fixedly arranged at the front side of the outer tube 4, the first cutter head 41 is a movable cutter head which is rotationally connected at the front side of the outer tube 4 and driven by a pull rod, the second cutter head 40 is a fixed cutter head which is fixedly arranged on the cutter head seat 42, the first cutter head 41 and the second cutter head 40 extend back and forth, specifically, the rear end of the first cutter head 41 is hinged with the pull rod seat through a front hinging shaft 44, the rear end of the second cutter head 40 is fixedly connected with the cutter head seat 42, a transmission rod 2 is arranged in the front part pipe cavity of the outer tube 4, the transmission rod 2 is butted at the front side of an inner rod, the transmission rod 2, the inner rod 3 and a conical top shaft 14 are sequentially butted from front to back to form the pull rod, and the three are positioned on the same straight line which extends back and forth (the transmission rod is also a conductor, the rear end of the transmission rod is contacted with the front end of the inner rod), the pull rod seat is provided with a transmission rod hole, the front end of the pull rod is inserted forwards through the transmission rod hole and hinged with the rear end of the first cutter head 41, in particular, the rear end of the transmission rod is fixedly connected with the front end of the inner rod 3, the front end of the transmission rod is inserted forwards through the transmission rod hole and hinged with the rear end of the first cutter head 41, the front end of the transmission rod 2 is hinged with the rear end of the first cutter head 41 through a rear hinge shaft 45, the front end of the transmission rod 2 is the front end of the pull rod, the front end of the transmission rod 2 is provided with a hinge hole corresponding to the rear hinge shaft 45, one end of the rear hinge shaft 45 is fixed at the rear end of the first cutter head 41, the other end of the transmission rod is inserted into the hinge hole, and the aperture of the hinge hole is larger than the diameter of the rear hinge shaft 45, so that the rear hinge shaft 45 can relatively move in the hinge hole to leave proper allowance. The front hinge shaft 44 is parallel to the rear hinge shaft 45, and both the front hinge shaft 44 and the rear hinge shaft 45 are perpendicular to the tie rod. A row of cutter teeth 43 are arranged on the side edge, facing the first cutter head 41, of the second cutter head 40, and the first cutter head 41 and the second cutter head 40 are electrode cutter heads.
The whole pull rod, the tool bit seat 42, the first tool bit 41 and the second tool bit 40 are conductors, the pull rod is contacted with the tool bit seat 42, namely the front end of the transmission rod 2 is contacted with the rear end of the tool bit seat 42, the tool bit seat 42 is contacted with the first tool bit 41 and the second tool bit 40, and after the wiring terminal of the pull rod rear seat is connected with the host 50, the pull rod rear seat, the pull rod, the tool bit seat 42, the first tool bit 41 and the second tool bit 40 form a passage.
The pull rod backseat is provided with a rod-shaped part 33 positioned at the rear side of the slot, the rear side of the rod-shaped part 33 is provided with a guide part 19, and the whole pull rod backseat is divided into three parts according to the front, middle and rear parts in sequence: the front part 13 of the slot, the rod-shaped part 33 positioned in the middle of the pull rod backseat and the guide part 19 positioned in the rear of the pull rod backseat are arranged, the rod-shaped part 33 extends back and forth and penetrates through one sphere 17, the rod-shaped part 33 penetrates through the sphere 17 from the middle of the sphere 17, the sphere 17 is a sphere, and the sphere 17 and the pull rod backseat are of an integrated structure. Two lower limiting plates 18 are arranged in the shell 21 at intervals up and down, the two lower limiting plates 18 are respectively positioned on the upper side and the lower side of the guide part 19, the guide part 19 is inserted between the two lower limiting plates 18, and the up-down distance between the two lower limiting plates 18 is larger than the up-down width of the guide part 19 so as to provide proper allowance for the movement of the guide part 19.
The shell 21 is internally and fixedly provided with a front limiting piece 12, the front limiting piece 12 is provided with a groove with a backward notch and a rear seat hole 39 communicated with the front side of the groove, the front part 13 of the rear seat of the pull rod is inserted into the groove, the groove is in a cuboid shape, the rear part of the conical jacking shaft 14 passes through the rear seat hole 39 and is inserted into the slot, the aperture of the rear seat hole is larger than the diameter of the conical jacking shaft 14, and the upper and lower width of the groove is larger than the upper and lower width of the front part 13 of the rear seat of the pull rod.
The upper side of the wrench 25 is fixedly connected with a swinging rod 23, the swinging rod 23 is arranged in the shell 21, the shell 21 is provided with a swinging rod hole corresponding to the swinging rod 23, the bottom end of the swinging rod 23 extends out of the shell 21 from the swinging rod hole, the top end of the wrench 25 is fixedly connected with the bottom end of the swinging rod 23, and the wrench 25 is positioned outside the shell 21 and at the front side of the holding part 24.
The swinging rod 23 is provided with a spherical cavity matched with the sphere 17 and two flaring openings 32 respectively communicated with the front side and the rear side of the spherical cavity, and the sphere 17 is positioned in the spherical cavity.
The top surface of the swinging rod 23 is a semicircular sphere 16 (the semicircular sphere 16 is positioned on the upper side of the sphere 17), the top surface of the swinging rod 23 is in contact with the inner wall surface of the shell 21, two upper limiting plates 15 are arranged in the shell 21 at intervals in front of and behind the top end of the corresponding swinging rod 23, the top end of the swinging rod 23 extends into between the two upper limiting plates 15, the front-back distance between the two upper limiting plates 15 is larger than the transverse width of the top of the swinging rod 23, and the front-back positions of the top end of the swinging rod 23 are limited by the two upper limiting plates 15.
The return spring 22 is blocked at the rear side of the swinging rod 23, the return spring 22 extends upwards obliquely from front to back, the rear spring clamping groove 20 is arranged in the shell 21, the swinging rod 23 is provided with the front spring clamping groove 31, the front spring clamping groove 31 is positioned at the front lower part of the rear spring clamping groove 20, the front spring clamping groove 31 is positioned at the lower side of the sphere 17, one end of the return spring 22 is inserted into the rear spring clamping groove 20, and the other end of the return spring 22 is inserted into the front spring clamping groove 31, so that the contact part between the end part of the return spring 22 and the swinging rod 23 is positioned between the spanner 25 and the sphere 17. The spanner 25 is in transmission connection with the pull rod through the swinging rod 23 and drives the pull rod.
The connecting shaft 30 is a rotating shaft, an annular rotating wheel 9 is fixedly sleeved on the outer ring of the connecting shaft 30, the rotating wheel 9 drives the connecting shaft 30 to rotate, the shell 21 is provided with a rotating wheel hole corresponding to the rotating wheel 9, and a human hand can rotate the rotating wheel 9 through the rotating wheel hole.
The connecting shaft 30 is provided with a flange 35, the flange 35 is an annular bulge surrounding the outer ring of the connecting shaft 30, the flange 35 is fixedly connected with the rotating wheel 9, a positioning sleeve 10 is sleeved on the outer ring of the connecting shaft 30, the positioning sleeve 10 is fixed in the shell 21, the positioning sleeve 10 is arranged at the rear side of the flange 35, a positioning groove extending forwards and backwards is formed in the front end face of the positioning sleeve 10, facing the flange 35, a positioning spring 37 is arranged in the positioning groove, a positioning ball 36 is arranged at the front side of the positioning spring 37, namely the positioning spring 37 is positioned between the bottom surface of the positioning groove and the positioning ball 36, a plurality of positioning clamping grooves 34 are uniformly distributed on the rear end face of the flange 35 at intervals in sequence around the central axis of the connecting shaft 30, the positioning clamping grooves 34 are cylindrical grooves or hemispherical grooves, and the front part 13 of the positioning ball 36 stretches into one of the positioning clamping grooves 34.
The front air suction hole 46 communicated with the cavity of the outer tube 4 is arranged on the tube wall of the outer tube 4, of course, a connecting hole communicated with the front air suction hole 46 is arranged on the heat shrinkage tube, the rear air suction hole 7 is arranged on the connecting shaft 30, a circular air suction sleeve ring 29 is sleeved on the outer ring of the connecting shaft 30, an annular air suction groove 28 is arranged on the inner ring surface of the air suction sleeve ring 29, the cavity of the outer tube 4 is communicated with the central hole 6 of the connecting shaft 30, the central hole 6 of the connecting shaft 30 is communicated with the air suction groove 28 through the rear air suction hole 7, the air suction sleeve ring 29 is connected with an air suction tube 8, and the cavity of the air suction tube 8 is communicated with the air suction groove 28.
When the mode connecting ring structure of the surgical instrument is used, the mode connecting ring structure can be matched with a host 50, the host 50 comprises a circuit board and a socket electrically connected with the circuit board, the circuit board is connected with a power supply, the coagulation switch 26 and the cut switch 27 are electrically connected with the circuit board, a wiring terminal of a pull rod rear seat is connected with a wire 48 provided with a plug 49, the plug 49 is inserted into the socket, the pull rod rear seat, the clamping block 11, the conical top shaft 14, the pull rod, the transmission rod 2, the tool bit seat 42, the first tool bit 41 and the second tool bit 40 sequentially form a passage to generate current, the first tool bit 41 and the second tool bit 40 are electrode tool bits, the first tool bit 41 is used for coagulation, and the second tool bit 40 is provided with a tool tooth 43 for cutting. When cutting is needed, the cutting switch is pressed, the cutter head electrode is closed, and the host outputs cutting power to achieve the cutting function; when the blood coagulation is needed, the host outputs the blood coagulation power to achieve the blood coagulation function.
The first cutter head 41 is driven by a pull rod, the pull rod is driven by a spanner 25, when the spanner 25 is pulled backwards, the bottom end of the swinging rod 23 swings backwards in an arc mode around the center of a semicircular sphere 16 at the top end of the swinging rod 23, the spherical cavity moves along with the swinging rod 23 and drives the sphere 17 to swing backwards, the rear seat of the pull rod also moves backwards, the guide part 19 moves backwards between the two lower limiting plates 18, the rear seat of the pull rod drives the pull rod to move backwards through the clamping block 11, the pull rod pulls a rear hinge shaft 45 on the first cutter head 41 to move backwards through the transmission rod 2, the first cutter head 41 rotates around a front hinge shaft 44, the first cutter head 41 is outwards opened relative to the second cutter head 40, and the first cutter head 41 and the second cutter head 40 are arranged in an acute angle mode that an included angle is formed between the front angle; when the wrench 25 is loosened, the wrench 25 is reset forwards under the action of the reset spring 22, then the pull rod rear seat drives the pull rod and the transmission rod 2 to push the rear hinge shaft 45 forwards through the clamping block 11, the first cutter head 41 rotates around the front hinge shaft 44, the first cutter head 41 is closed relative to the second cutter head 40, and the first cutter head 41 is positioned on the side edge of the second cutter head 40 and the included angle between the first cutter head 41 and the second cutter head 40 disappears.
The rotating wheel 9 can be manually rotated, the rotating wheel 9 overcomes the resistance of the positioning ball body 36, in the rotating process of the rotating wheel 9, the positioning ball body 36 is pressed in the positioning clamping groove 34, when the rotating wheel 9 is rotated to a preset position, the rotating wheel 9 is stopped being stirred by a hand, and the positioning ball body 36 stretches into the corresponding positioning clamping groove 34 under the elasticity of the positioning spring 37, so that the rotating wheel 9 and the connecting shaft 30 are prevented from rotating.
In the process of rotating the rotating wheel 9, the connecting shaft 30 rotates along with the rotating wheel 9, the connecting shaft 30 is in threaded connection with the cap 5, the connecting shaft 30 drives the cap 5 to rotate, the cap 5 drives the outer tube flange 56 and the outer tube 4 to rotate along with the connecting shaft, the tool bit seat 42 rotates along with the outer tube 4 because the tool bit seat 42 is fixedly arranged at the front end of the outer tube 4, the tool bit seat 42 drives the transmission rod 2 and the pull rod to rotate, the inner rod 3 and the conical top shaft 14 rotate, the positioning groove on the conical top shaft 14 rotates, the clamping block 11 is always partially inserted into the positioning groove and does not move, and the air extraction sleeve ring 29 and the pull rod rear seat do not rotate.
The rotation of the turning wheel 9 is finally aimed at rotating the first cutter head 41 and the second cutter head 40 about the central axis extending in the front-rear direction of the connecting shaft 30, and the rear hinge shaft 45 is provided at a rear lower side of the front hinge shaft 44 with a spacing when the first cutter head 41 is located directly above the second cutter head 40.
The air extraction sleeve ring 29 is used for sucking away smoke, and the front air extraction hole 46 on the pipe wall of the outer pipe 4, the pipe cavity of the outer pipe 4, the central hole 6 of the connecting shaft 30, the rear air extraction hole 7 on the connecting shaft 30, the air extraction groove 28 of the air extraction sleeve ring 29 and the air extraction pipe 8 are sequentially communicated, so that the smoke generated in the operation process can enter from the front air extraction hole 46 and finally be extracted from the air extraction pipe 8.
Claims (3)
1. The mode of surgical instrument connects ring structure, its characterized in that: the novel pull rod comprises a pull rod, an outer tube (4), a connecting shaft (30) and a pull rod rear seat provided with a slot (57), wherein the pull rod extends back and forth, the outer tube (4), the connecting shaft (30) and the pull rod rear seat are sequentially arranged from front to back, the connecting shaft (30) is provided with a central hole (6) which is longitudinally penetrated from front to back, the slot wall surface of the slot (57) is provided with a clamping block groove, and a clamping block spring (55) and a clamping block (11) positioned outside the clamping block spring (55) are arranged in the clamping block groove; the pull rod comprises an inner rod (3) and a conical top shaft (14) which are in front-back butt joint, the rear part of the conical top shaft (14) is conical, the rear part of the conical top shaft (14) is provided with a positioning groove, the pull rod is inserted into a pipe cavity of the outer pipe (4) and penetrates through a central hole (6) of the connecting shaft (30), the rear part of the conical top shaft (14) is inserted into a slot (57) of a pull rod rear seat, and the end part of the clamping block (11) extends into the positioning groove; the outer tube (4) and the connecting shaft (30) are connected together by the tubular cap (5), a second-order stepped hole is formed in the cap (5), the second-order stepped hole comprises a front side hole (51) and a rear side hole (53) which are arranged in a front-back mode and are communicated, the aperture of the front side hole (51) is smaller than that of the rear side hole (53), the rear side hole (53) is an internal threaded hole, a stepped surface (52) is arranged between the front side hole (51) and the rear side hole (53), an external thread is arranged at the front end of the connecting shaft (30), the rear part of the outer tube (4) is inserted into the front side hole (51), and the front end of the connecting shaft (30) is in threaded connection with the rear side hole (53); an outer tube flange (56) is fixedly arranged at the rear end of the outer tube (4), and the outer tube flange (56) is clamped between the front end surface of the connecting shaft (30) and the stepped surface (52).
2. The modular interface structure of a surgical instrument of claim 1, wherein: the connecting shaft is a rotating shaft.
3. The modular interface structure of a surgical instrument of claim 1, wherein: the clamping block (11), the pull rod backseat, the conical jacking shaft (14) and the inner rod (3) are conductors, the clamping block (11) is in contact with the pull rod backseat and the conical jacking shaft (14), and the front end of the conical jacking shaft (14) is in contact with the rear end of the inner rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237516.3A CN108245240B (en) | 2016-12-28 | 2016-12-28 | Mode joint ring structure of surgical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611237516.3A CN108245240B (en) | 2016-12-28 | 2016-12-28 | Mode joint ring structure of surgical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108245240A CN108245240A (en) | 2018-07-06 |
| CN108245240B true CN108245240B (en) | 2024-05-31 |
Family
ID=62719597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611237516.3A Active CN108245240B (en) | 2016-12-28 | 2016-12-28 | Mode joint ring structure of surgical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108245240B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201384564Y (en) * | 2009-04-27 | 2010-01-20 | 张勇 | Therapy tool |
| CN102138824A (en) * | 2011-04-29 | 2011-08-03 | 田成龙 | Multifunctional operating device for laparoscope |
| CN204169888U (en) * | 2014-09-19 | 2015-02-25 | 吴伟敏 | A kind of movable nail supporting base assembly |
| CN206729975U (en) * | 2016-12-28 | 2017-12-12 | 南京森盛医疗设备有限公司 | The pattern of operating theater instruments connects ring structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL134226A (en) * | 2000-01-26 | 2003-12-10 | Iscar Ltd | Cutting tool assembly |
-
2016
- 2016-12-28 CN CN201611237516.3A patent/CN108245240B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201384564Y (en) * | 2009-04-27 | 2010-01-20 | 张勇 | Therapy tool |
| CN102138824A (en) * | 2011-04-29 | 2011-08-03 | 田成龙 | Multifunctional operating device for laparoscope |
| CN204169888U (en) * | 2014-09-19 | 2015-02-25 | 吴伟敏 | A kind of movable nail supporting base assembly |
| CN206729975U (en) * | 2016-12-28 | 2017-12-12 | 南京森盛医疗设备有限公司 | The pattern of operating theater instruments connects ring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108245240A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8267934B2 (en) | Electrosurgical tool | |
| US3807404A (en) | Probe unit for electro-surgical device | |
| EP0034237B1 (en) | Dental instrument with handpiece | |
| US20120016190A1 (en) | Endoscope treatment instrument | |
| JP2010528775A5 (en) | ||
| WO2021068620A1 (en) | Dual-electrode probe and operation method therefor | |
| CN201905963U (en) | Kirschner wire gripping head of medical hollow drill mobile phone | |
| CN108245240B (en) | Mode joint ring structure of surgical instrument | |
| CN108245242B (en) | Surgical instrument with manual switching cutting and coagulation functions | |
| CN206964677U (en) | Possesses the operating theater instruments of manual switching cutting and coagulation function | |
| CN206729975U (en) | The pattern of operating theater instruments connects ring structure | |
| US20230397927A1 (en) | Ultrasonic scalpel handle | |
| WO2004103195A3 (en) | Instrument for the unipolar ablation of heart tissue | |
| JP4589731B2 (en) | Endoscopic high-frequency treatment instrument | |
| CN112274244A (en) | Telescopic smoking ablation electrode | |
| US7070411B2 (en) | Dental head unit capable of measuring root canal length, and contact holder assembly therefor | |
| CN216603051U (en) | High-frequency bipolar surgical forceps | |
| CN208031277U (en) | Novel Bipolar radio frequency plasma knife | |
| CN115349943A (en) | Multifunctional high-frequency incision knife for endoscope | |
| CN211271116U (en) | Bipolar curved scissors structure | |
| CN209826955U (en) | Electric cutting mirror for prostate | |
| CN104224280B (en) | Surgical knife | |
| CN209967420U (en) | Local treatment pen of high potential therapeutic instrument | |
| CN203763239U (en) | High-frequency surgical electrode | |
| CN209864101U (en) | Single-handle hot gutta-percha filling instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |