WO2017071633A1 - 电凝型动力手柄、电凝型刨削刀具及刨削组件 - Google Patents

电凝型动力手柄、电凝型刨削刀具及刨削组件 Download PDF

Info

Publication number
WO2017071633A1
WO2017071633A1 PCT/CN2016/103716 CN2016103716W WO2017071633A1 WO 2017071633 A1 WO2017071633 A1 WO 2017071633A1 CN 2016103716 W CN2016103716 W CN 2016103716W WO 2017071633 A1 WO2017071633 A1 WO 2017071633A1
Authority
WO
WIPO (PCT)
Prior art keywords
handle
electrocoagulation
electrode
ring
shank
Prior art date
Application number
PCT/CN2016/103716
Other languages
English (en)
French (fr)
Inventor
郭毅军
张新云
杨永波
张金彬
Original Assignee
重庆西山科技股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201520858969.2U external-priority patent/CN205234623U/zh
Priority claimed from CN201510729197.7A external-priority patent/CN105167843B/zh
Application filed by 重庆西山科技股份有限公司 filed Critical 重庆西山科技股份有限公司
Publication of WO2017071633A1 publication Critical patent/WO2017071633A1/zh

Links

Images

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

Definitions

  • the invention relates to a medical device, in particular to a medical electrocoagulation type power handle, a electrocoagulation type planing tool and a planing assembly for cutting a minimally invasive tissue.
  • the cutting component consisting of the planing tool and the power handle is generally used to remove the diseased tissue, which can effectively ensure the high cutting efficiency during the operation.
  • the planing tool In actual surgery, the planing tool is prone to cause bleeding in the face during the planing.
  • a single electrocoagulation is generally used to stop bleeding, and in the process of replacing the electrocoagulation, the waiting time of the surgery is increased, and May delay the optimal hemostasis time and increase the risk of surgery; and in order to avoid replacement time, a planing component with electrocoagulation and planing function appears, and the output of the electrocoagulation current is inserted directly into the radial opening of the tool assembly. It is energized and connected to the external power supply wire, and the externally connected power wire is not conducive to the operation of a small space, affecting the doctor's vision and increasing the difficulty of surgery.
  • the object of the present invention is to overcome the defects in the prior art, and provide an electrocoagulated power handle, a coagulation type planing tool and a planing component, and an optimized electrocoagulation type power handle and a coagulation type planing tool.
  • the composition of the planing component makes the planing component have electrocoagulation and planing function, avoiding the waiting time of the operation, ensuring that the wound can be stopped immediately, and ensuring that the doctor has a better operation field of view, compact structure and less difficulty in operation.
  • the electrocoagulation type power handle of the present invention comprises a handle housing and a power assembly, the handle housing has an interface for connecting and driving the cutter, and further includes a handle electrocoagulation circuit, wherein the handle electrocoagulation circuit is disposed in the interface
  • the output electrode is electrically connected to the tool coagulation circuit of the tool after the tool is mounted on the interface.
  • a support sleeve is disposed on the handle housing, and the two output electrodes are substantially fixed to the first electrode contact and the second electrode contact on the inner circumference of the support sleeve.
  • the handle coagulation circuit further includes a first arc-shaped conductive ring and a second arc-shaped conductive ring fixed to the support sleeve, wherein the first electrode contact is radially penetrated by one end of the first curved conductive ring Formed by a support sleeve, the second electrode contact is formed by one end of the second arcuate conductive ring radially passing through the support sleeve.
  • first curved conductive ring and the second curved conductive ring are both elastic rings, and the outer circumference of the support sleeve is divided into A first mounting groove for mounting the first curved conductive ring and a second mounting groove for mounting the second curved conductive ring are not provided.
  • the handle housing is provided with a water injection passage in the handle, and the water outlet of the handle of the water injection passage in the handle is located at one side of the output electrode, and after the cutter is installed at the interface, the output electrode is sealed and separated from the water outlet in the handle and the handle is inside The water outlet is used to communicate with the in-cylinder water injection channel on the tool.
  • the in-handle water injection passage is composed of a first water passage in the handle housing and a second water passage in the support sleeve, the inner wall of the support sleeve is provided with an inner annular water tank, and the water outlet in the handle is located at the The inner ring is inside the sink.
  • the water injection channel in the handle is a water injection pipe, and the water injection pipe passes through the support sleeve and the handle housing in the axial direction, and the water injection pipe communicates with the water outlet in the handle; the handle coagulation circuit passes through the axial direction.
  • the support sleeve and the handle housing are integrated with the same input interface or integrated with the drive circuit of the power assembly.
  • the in-handle water outlet is located at a front side of the output electrode or a rear side of the output electrode, and the front side is a side close to the interface.
  • a plurality of sealing rings are disposed between the shank of the cutter and the inner circle of the support sleeve, and the output electrode is sealed and separated from the sump outlet by a plurality of the sealing rings.
  • the handle coagulation circuit is installed through a circuit mounting channel on the support sleeve, and the circuit mounting channel includes a circuit mounting slot and a circuit mounting through hole disposed in an outer circle of the support sleeve for cable passage.
  • An electrocoagulation type planing tool the electrocoagulation type planing tool cooperating with the electrocoagulation type power tool, the electrocoagulation type planing tool comprising an outer knife tube, an inner knife tube and a cutter electrocoagulation circuit,
  • An inner cutter tube is disposed in the outer cutter tube and coaxially rotatably engaged with the outer cutter tube, the cutter coagulation circuit includes a working electrode at a front end of the electrocoagulation type planing cutter and is located at the electrocoagulation type
  • An input electrode of the shank of the planing tool the input electrode is electrically connected to the working electrode, and the shank of the electrocoagulation type cutting tool is mounted on the interface of the electrocoagulated power handle, the inner knife
  • the tube is drivingly coupled to the power assembly of the electrocoagulated power handle, and the input electrode is electrically connected to a handle electrocoagulation circuit of the electrocoagulated power handle.
  • a conductive layer is attached along the axial direction of the electrocoagulation type cutting tool to the outer wall of the outer cutter tube, and the front end of the conductive layer and the front end of the outer cutter tube respectively constitute two poles of the working electrode.
  • the input electrode includes a first electrode ring and a second electrode ring that are insulated and arranged in parallel on the shank, the first electrode ring is electrically connected to the conductive layer, and the second electrode ring is electrically connected to the outer
  • the knife tube, the first electrode ring and the second electrode ring are respectively electrically connected to the two poles of the output electrode of the handle electrocoagulation circuit.
  • the first electrode ring includes a first cannula jacketed on the conductive layer and an outer wall of the first canister a first wing ring extending radially outwardly and bent;
  • the second electrode ring includes a second seat tube sheathed to the outer knife tube and extending radially outward from an outer wall of the second seat tube A circular second wing ring.
  • an inner wall of the conductive layer and an outer wall of the conductive layer are respectively provided with an inner insulating layer and an outer insulating layer.
  • an inner water injection passage is formed between the outer cutter tube and the inner cutter tube, and the cutter handle is provided with a flow passage communicating with the water injection passage in the cutter.
  • the flow channel is disposed along the shank of the shank, and the outer circle of the shank is provided with an outer annular water tank, and the water inlet of the knife of the flow channel is located in the outer annular water tank.
  • first electrode ring and the second electrode ring are both embedded inside the shank and located on one side of the outer annular water tank, the front side of the outer annular water tank and the outer ring A sealing ring is respectively arranged on the rear side of the water tank.
  • the trailing end of the inner cutter tube passes out of the outer cutter tube and forms an axial seal with the shank, the flow passage being located before the seal.
  • a planing assembly comprising the electrocoagulated power handle and the electrocoagulation type planing tool.
  • the invention has the beneficial effects that the electrocoagulation type power handle, the electrocoagulation type planing tool and the planing component of the invention provide an output electrode at the interface of the handle, and can directly coagulate the tool in the tool when the tool is inserted.
  • the power supply of the circuit enables the coagulation to work normally; at the same time, the setting of the handle coagulation circuit does not affect the normal installation of the tool, so that the electrocoagulation type planing handle has the functions of electrocoagulation and planing at the same time, can stop bleeding in time, avoid the waiting time of the operation, and avoid Externally connecting the cable to the tool ensures that there is no influence on the visual field of the doctor's operation. It will not increase the inconvenience of the operation due to the peripheral connector or cable connection of the electrocoagulation circuit, reduce the surgical interference and reduce the difficulty of surgery.
  • FIG. 1 is a schematic structural view showing the assembly of a electrocoagulated power handle and a cutter in a planing assembly of the present invention
  • Figure 2 is an enlarged view of A in Figure 1;
  • FIG. 3 is a schematic structural view of a support sleeve of a electrocoagulation type power handle according to the present invention.
  • FIG. 4a is a schematic structural view of a first curved conductive ring of the electrocoagulation type power handle of the present invention
  • 4b is a schematic structural view of a second arc-shaped conductive ring of the electrocoagulation type power handle of the present invention.
  • Figure 5 is a schematic view showing the structure of the outer cutter tube of the electrocoagulation type cutting tool of the present invention.
  • Figure 6 is an enlarged view of B of Figure 5;
  • Figure 7 is a schematic view showing the assembly structure of the inner cutter tube and the outer cutter tube of the electrosetting type planing cutter of the present invention.
  • Fig. 8 is a structural schematic view showing the water injection passage in the shank of the electrocoagulation type power handle of the present invention and the inner annular water tank.
  • FIG. 1 is a schematic structural view of an electrocoagulated power handle and a tool assembly in a planing assembly according to the present invention
  • FIG. 2 is an enlarged view of a portion A of FIG. 1
  • FIG. 3 is a structural schematic view of a support sleeve of the electrocoagulated power handle of the present invention
  • 4a is a schematic structural view of a first curved conductive ring of the electrocoagulated power handle of the present invention
  • FIG. 4b is a schematic structural view of a second curved conductive ring of the electrocoagulated power handle of the present invention
  • FIG. 5 is a schematic diagram of the electrocoagulation type of the present invention.
  • FIG. 6 is an enlarged view of a portion B of FIG. 5
  • FIG. 7 is a schematic view showing an assembly structure of an inner cutter tube and an outer cutter tube of the electrocoagulation type planing cutter of the present invention
  • FIG. 8 is a schematic diagram of the electrocoagulation type of the present invention.
  • the electrocoagulation type planing handle of the present embodiment includes a handle housing 1 and a power assembly, the handle housing 1 has an interface for connecting and driving the cutter 2, and further includes a handle electrocoagulation circuit.
  • the handle electrocoagulation circuit comprises an output electrode disposed in the interface.
  • the output electrode is electrically connected to the tool coagulation circuit of the tool 2, and the output electrode can pass through a wire or a conductive layer (the wire Or the conductive layer may be part of the handle coagulation circuit) connected to the cable socket at the tail end of the handle housing 1 (the power cable and/or the control line of the power component are also connected to the cable socket and through the cable socket) Integrated into a bundle to connect with an external host; of course, the output electrode can also be connected to the external host through the cable through the handle housing), the front end represents the end of the handle housing close to the interface, and the cable socket is connected to the external control Or powered by an internal power supply.
  • the tool coagulation circuit of the tool 2 can be directly supplied with power to make the coagulation work normally; and the setting of the handle coagulation circuit does not affect the normal installation of the tool 2, so that
  • the electrocoagulation type planing handle has electrocoagulation and planing function at the same time, avoiding the external cable connection on the tool 2. It has no influence on the visual field of the doctor's operation, and avoids the operation due to the peripheral connection seat or cable connection of the electrocoagulation circuit. Inconvenient operation, reducing surgical interference and reducing the difficulty of surgery.
  • the support sleeve 3 is further sleeved on the handle housing 1.
  • the two output electrodes are fixed to the first electrode contact 4a and the second electrode contact 5a on the inner circumference of the support sleeve 3.
  • the first electrode contact 4a and the second electrode contact 5a are fixedly disposed on the support sleeve 3, and the fixing manner may be fixed or permanently fixed in a detachable manner. With the arrangement of the support sleeve 3, the first electrode touch is easily realized.
  • the point 4a and the second electrode contact 5a are in contact with the tool coagulation circuit of the tool 2, and the position of the output electrode in the circumferential direction can be flexibly adjusted, and is convenient for maintenance and easy to replace.
  • the handle coagulation circuit further includes a first arc-shaped conductive ring 4 and a second arc-shaped conductive ring 5 fixed to the support sleeve 3, and the first electrode contact 4a is electrically conductive by the first arc.
  • One end of the ring 4 is formed radially through the support sleeve 3, and the second electrode contact 5a is formed by radially passing one end of the second curved conductive ring 5 through the support sleeve 3;
  • the first arc-shaped conductive ring 4 and the second curved conductive ring 5 are superior arc rings, and the support sleeve 3 is provided with a via hole in the radial direction for the arc-shaped conductive ring (that is, the first curved conductive ring and the second
  • the end of the arc-shaped conductive ring passes through, and the electrode contact is formed by providing the structure of the arc-shaped conductive ring and passing the end of the arc-shaped conductive ring in the radial direction of the support sleeve 3 (ie, the first electrode contact) 4a and the second electrode contact 5a) are easy to assemble and disassemble, are easy to adjust, and are stable and stable.
  • the first curved conductive ring 4 and the second curved conductive ring 5 are elastic rings, and the outer circumference of the support sleeve 3 is respectively provided with a first installation for mounting the first curved conductive ring 4 a groove 4b and a second mounting groove 5b for mounting the second curved conductive ring 5;
  • the elastic structure of the curved conductive ring facilitates the electrode contact to apply a radially inward pressure to the tool coagulation circuit in the tool 2, such that
  • the electrode contacts can be stably connected to the tool coagulation circuit
  • the mounting grooves ie, the first mounting groove 4b and the second mounting groove 5b
  • the force of the housing 1 ensures the stability of the contact point of the electrode, prevents the contact of the contact point of the electrode from being unstable, and causes the electrocoagulation output to be affected, thereby ensuring stable output of the electrocoagulation power.
  • the handle housing 1 is provided with an in-stool water injection passage 6, the in-shank water outlet 7 of the in-shank water injection passage 6 is located on one side of the output electrode, and the cutter 2 is mounted on the interface, and the output electrode is The water outlet 7 in the shank is sealed and separated, and the water outlet 7 in the shank is used for communicating with the water injection channel in the knife on the tool 2. Please refer to FIG.
  • the water injection channel in the knife is provided with the water inlet 28 in the knife, the knife
  • the outer circumference of the shank 20 is provided with an outer annular water tank 29, and the water inlet 28 is disposed in the outer annular water tank 29; the water outlet 7 in the shank may be located at the front side or the rear side of the output electrode, and the front side indicates the proximity
  • the side of the interface of the tool 2 is mounted on the handle.
  • the water outlet 7 in the handle is mounted on the rear side, and the sealing partition can be sealed on the inner circumference of the support sleeve 3 by the outer sleeve (including the sealing ring 8a and The sealing ring 8b) axially seals the output electrode and the water outlet 7 in the shank to avoid short circuit of the output electrode; by setting the water injection channel 6 in the handle in the handle, the handle has a water injection function, and the water injection channel in the knife is passed through the tool 2 Connected, can flush the affected area in time
  • the treatment avoids the wound being covered and affects the operation of the operation, and flushes the scar of the working electrode on the cutter 2, and at the same time can cooperate with the suction operation to clean the affected area in time to avoid wound infection.
  • the in-handle water injection passage 6 is composed of a first water passage 6a in the handle housing 1 and a second water passage 6b in the support sleeve 3.
  • the inner wall of the support sleeve 3 is provided with an inner annular water tank 9
  • the in-hand water outlet 7 is located in the inner annular water tank 9.
  • the inner annular water tank 9 corresponds to the outer annular water tank 29 on the shank 20 to form a water pipe structure.
  • the first water passage 6a in the handle housing 1 and the second water passage 6b in the support sleeve 3 may be connected to the transition pipe section or directly disposed inside the water pipe, and the water inlet and the outside of the water injection passage 6 in the handle
  • the physiological saline source is connected, and the inner water outlet 7 is disposed in the shank, and the water outlet 7 in the shank is disposed on the inner annular water tank 9 on the support sleeve 3, and the injected water flows into the inner annular water tank 9 and the outer ring through the shank outlet 7
  • the water pipe structure formed by the water tank 29 flows into the in-cylinder water inlet 28 on the outer annular water tank 29, and the water outlet in the shank 7 Water injection can be realized without circumferential alignment with the tool water injection channel, which is convenient to operate and ensures smooth water flow.
  • the in-handle water injection channel 6 is a water injection pipe.
  • the water injection pipe is a structure of an integral channel formed by the first water passage 6a and the second water passage 6b; The water injection pipe passes through the support sleeve 3 and the handle housing 1 in the axial direction.
  • the support sleeve 3 is provided with a circuit mounting passage for mounting the circuit and a water pipe installation passage 10 for installing the water injection pipe, and the structure is compact and convenient to install;
  • the water injection pipe is connected to the in-hand water outlet 7;
  • the handle electrocoagulation circuit passes through the support sleeve 3 and the handle housing 1 in the axial direction and integrates with the driving circuit of the power component or integrates the same wire harness;
  • the condensing circuit is installed through a circuit mounting channel on the support sleeve 3, the circuit mounting channel includes a circuit mounting slot 11 and a circuit mounting through hole 12 disposed on the outer circumference of the support sleeve 3 for cable passage, through the circuit mounting channel and the water pipe mounting channel
  • the setting of 10 is convenient for the arrangement of the line and the water injection pipe, which is convenient for assembly and plays a role of fixing and protecting.
  • a planing assembly comprising a cutter 2 and the electrocoagulated power handle described above, the shank 20 of the cutter 2 being mounted in an interface of the electrocoagulated power handle, the cutter 2 includes an outer cutter tube 21, an inner cutter tube 22, and a cutter coagulation circuit, wherein the inner cutter tube 22 is drivingly connected to a power assembly of the electrocoagulated power handle, and the inner cutter tube 22 is disposed in the outer cutter
  • the tube 21 is coaxially rotatably coupled to the outer cutter tube 21, and the cutter coagulation circuit includes a working electrode at the front end of the cutter 2 and an input electrode at the shank, and the input electrode is electrically connected to the working electrode, and the electrocoagulation type An output electrode of the power handle is coupled to the input electrode in electrical contact.
  • a conductive layer 23 is attached along the axial direction of the cutter 2 to the outer wall of the outer cutter tube 21, and the inner insulating layer 26 and the outer insulating layer 27 are respectively disposed on the inner wall and the outer wall of the conductive layer 23.
  • the insulating layer 26 may be provided with an inner insulating layer 26 only on the inner wall of the conductive layer 23.
  • the front end of the conductive layer 23 and the front end of the outer cutter tube 21 respectively constitute two poles of the working electrode; the conductive layer 23 surrounds the outer side of the outer cutter tube 21, and the width of the front end of the conductive layer 23 along the circumferential direction of the outer cutter tube 21 can be reasonably set.
  • the input electrode includes a first electrode ring 24a and a second electrode ring 25a that are insulated and arranged in parallel on the shank 20.
  • the first electrode ring 24a is electrically connected to the conductive layer 23, and the second The electrode ring 25a is electrically connected to the outer cutter tube 21, and the first electrode ring 24a and the second electrode ring 25a are respectively electrically connected to the two poles of the output electrode of the electrocoagulated power handle; the ring passing through the electrode ring Structure, which facilitates the fixing of the input electrode, at the same time,
  • the outer sidewall of the first electrode ring 24a is connected to the first electrode contact 4a of the output electrode, and the outer sidewall of the second electrode ring 25a is connected to the second electrode contact 5a of the output electrode to ensure the stability of the connection. And it does not need to be aligned along the circumferential direction of the handle, and the connection is convenient.
  • the electrocoagulation type planing tool 2 of the present embodiment includes an outer cutter tube 21 and a coaxial rotary tube 21 disposed inside the outer cutter tube 21 and coaxially coupled with the outer cutter tube 21 .
  • the inner tube 22 further includes a tool coagulation circuit including a working electrode at the front end of the tool 2 and an input electrode at the shank 20, the input electrode being electrically connected to the working electrode;
  • the electrode is disposed at the front end of the cutter 2, and the working electrode and the input electrode can be electrically connected by a conductive layer provided by a wire (such as an enameled wire) or an insulation.
  • the tool coagulation circuit can include a wire or a conductive layer; when the tool 2 is mounted on the handle of the handle Thereafter, the input electrode is in communication with the handle electrocoagulation circuit of the handle, and the handle electrocoagulation circuit comprises at least an output electrode disposed in the handle interface and matched with the input electrode, so that the working electrode at the front end of the tool 2 is turned on and the electrocoagulation is realized.
  • the tool coagulation circuit is located inside the tool 2, and after the tool 2 is mounted on the handle, the input electrode on the tool 2 is electrically connected to the output electrode in the handle interface.
  • the electrocoagulation is realized, and the cutter 2 does not need to be connected with an external electrocoagulation power supply wire to avoid interference of visual field, and when the patient needs to stop bleeding in time, the electrocoagulation planing handle can be used to control the knife 2 to directly coagulate the wound to avoid bleeding.
  • the hemostasis device causes the waiting time to be too long, ensures the safety of the patient, and is convenient to assemble and disassemble, and the operation is simple.
  • a conductive layer 23 is disposed along the axial direction of the cutter 2, and the front end of the conductive layer 23 and the front end of the outer cutter tube 21 respectively constitute two poles of the working electrode; the film structure of the conductive layer 23 ensures the radial direction of the cutter The size change is not large, the cutter 2 is suitable for a small space, and the conductive layer 23 is not easily broken, and the tool 2 is prevented from being frequently repaired, so that the cutter 2 has a long service life.
  • the conductive layer 23 is insulated from the outer wall of the outer cutter tube 21; the inner conductive layer 23 and the outer insulating layer 27 are respectively disposed on the inner surface and the outer surface of the conductive layer 23 to make the conductive layer 23 and the outer cutter tube A loop is formed between 21, and the insulating layer can avoid leakage and short circuit, and ensure the safety of the tool 2 when it is coagulated.
  • the input electrode includes a first electrode ring 24a and a second electrode ring 25a disposed front and rear on the shank 20, and the first electrode ring 24a and the second electrode ring 25a pass through the handle coagulation circuit.
  • the first electrode ring 24a and the second electrode ring 25a are respectively electrically connected to the conductive layer 23 and the outer blade 21; the outer sidewall of the rear end of the conductive layer 23 is exposed,
  • the inner wall of the electrode ring 24a is directly exposed to the conductive layer 23 and is in contact with the conductive layer 23, and the outer surface of the outer end of the outer blade 21 is directly exposed to be in contact with the inner side wall of the second electrode ring 25a.
  • the first electrode ring 24a includes a first sleeve 24b of the outer layer of the conductive layer 23 and the first seat
  • the outer wall of the barrel 24b extends radially outward and is bent to form a first wing ring 24c.
  • the first wing ring 24c has a stepped radial section;
  • the second electrode ring 25a includes a jacket on the outer tube 21
  • the second canister 25b and the outer wall of the second canister 25b extend radially outward to form a circular second wing ring 25c, the shank 20 including a front section 20a, a middle section 20b and a tail section 20c,
  • the front section 20a, the middle section 20b and the tail section 20c are fixedly mounted with the first electrode ring 24a and the second electrode ring 25a by mutual cooperation (the first electrode ring 24a is fixedly fixed by the front section 20a and the middle section 20b, and is fixed by the middle section 20b and the tail section 20c.
  • the two-electrode ring 25a ensures the stable fixation of the first electrode ring 24a and the second electrode ring 25a by the arrangement of the first canister 24b and the second canister 25b, and the contact resistance is small to ensure low heating power;
  • the outer sidewalls of one of the wing ring 24c and the second wing ring 25c are respectively electrically conductive contact points; the first wing ring 24c and the second wing ring 25c are fixed by the handle, the first electrode ring 24a and the second electrode ring 25a Strong structural stability, stable contact with the output electrode in the handle, while ensuring compact structure Easy assembly and disassembly.
  • an inner water injection passage 31 is formed between the outer cutter tube 21 and the inner cutter tube 22, and the cutter handle 20 is provided with a flow passage 30 communicating with the in-cutter water injection passage 31;
  • a flow channel 30 is provided in communication with the water injection passage in the knife.
  • the flow channel 30 is disposed radially along the shank 20, and the outer circumference of the shank 20 is provided with an outer annular water tank 29, and the water inlet 28 of the flow channel 30 is located in the outer annular water tank 29.
  • the water inlet 28 of the flow channel 30 can realize water injection without the need of the handle water injection passage in the circumferential direction, and the operation is convenient, and the water flow is ensured.
  • the tail end of the inner cutter tube 22 passes through the outer cutter tube 21 and forms an axial seal with the shank 20, and the flow passage 30 is located in front of the seal and communicates with the in-cutter water injection passage 31;
  • the shank 20 forms an axial seal on the inner cutter tube 22.
  • the sealing structure is configured to provide an axial seal by providing a seal ring between the outer wall of the inner cutter tube 22 and the shank 20, so as to ensure that the inner cutter tube 22 can simultaneously inject water when rotating. Ensure the efficiency of surgery.
  • the first electrode ring 24a and the second electrode ring 25a are respectively embedded in the inside of the shank 20 and on the side of the outer annular water tank 29, and the front side and the rear side of the outer annular water tank 29 are respectively provided.
  • the axial seal ring (including the seal ring 8a and the seal ring 8b) seals the input electrode from the outer annular water tank 29.
  • the first electrode ring 24a and the second electrode ring 25a are both embedded inside the shank 20 and located on the front side of the outer annular water tank 29; the front end represents the end of the tool near the working electrode; the structure is simple, easy to assemble, sealed The effect is good.
  • the inner cutter tube 22 passes through the outer cutter tube 21 and forms an axial seal with the shank 20 at the tail portion 20c of the shank 20; the end portion of the tail portion 20c of the shank 20 is provided with an end cover
  • the assembly is sealed, and the end cap assembly includes The annular cover 32 and the lip seal 33, the outer circumference of the annular cover 32 is engaged with the tail end of the tail section 20c and axially forwards the outer circumference of the lip seal 33, the lip seal
  • the inner casing of 33 is axially sealed on the outer wall of the inner cutter tube 22, and the lip seal 33 is located on the front side of the annular cover 32; the assembly is convenient and the sealing effect is good.

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (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)
  • Surgical Instruments (AREA)

Abstract

一种电凝型动力手柄、电凝型刨削刀具及刨削组件。手柄包括手柄壳体（1）和动力组件。手柄壳体（1）具有用于连接并驱动刀具（2）的接口。手柄还包括手柄电凝电路，手柄电凝电路包括设置于接口内的输出电极。刀具（2）安装于接口后，输出电极与刀具（2）的刀具电凝电路电连接。通过在手柄的接口处设置输出电极，当刀具（2）插入后，可直接为刀具（2）内的刀具电凝电路供电，使电凝正常工作。同时手柄电凝电路的设置不影响刀具的正常安装，使得电凝型刨削手柄同时具有电凝和刨削功能，能够及时止血，避免手术等待时间，同时避免在刀具上外接电缆线，保证对医生手术操作视野没有影响，不会因电凝电路的外设连接座或线缆连接而增加手术操作不便，减少手术干扰，降低手术难度。

Description

电凝型动力手柄、电凝型刨削刀具及刨削组件 技术领域
本发明涉及一种医疗器械，特别涉及一种微创组织切割时医用电凝型动力手柄、电凝型刨削刀具及刨削组件。
背景技术
在微创组织切割时，病灶组织切除手术中，由于操作空间小，一般采用由刨削刀具和动力手柄组成的刨削组件对病坏组织进行切除，能够有效保证手术中具有较高切割处理效率；而在实际手术中，刨削刀具在刨削时容易引起创面出血，现有技术中一般采用单独电凝镊进行止血，而在更换电凝镊的过程中，增加了手术的等待时间，并且可能耽误最佳止血时间，增加了手术的危险性；而为了避免更换时间，出现了具有电凝和刨削功能的刨削组件，而电凝电流的输出采用在刀具组件上直接径向开口插入通电，并连接外部通电导线供电，而外连的通电导线不利于狭小空间的操作，影响医生操作视野，增加手术的难度。
发明内容
有鉴于此，本发明的目的是克服现有技术中的缺陷，提供一种电凝型动力手柄、电凝型刨削刀具及刨削组件，优化电凝型动力手柄及电凝型刨削刀具组成的刨削组件设计，使刨削组件具有电凝和刨削功能，避免手术等待时间，保证能够即时对伤口处止血，同时保证医生具有较好的操作视野，结构紧凑，降低手术难度。
本发明的电凝型动力手柄，包括手柄壳体和动力组件，所述手柄壳体具有用于连接并驱动刀具的接口，还包括手柄电凝电路，所述手柄电凝电路包括设置于接口内的输出电极，刀具安装于接口后，所述输出电极与刀具的刀具电凝电路电连接。
进一步，还包括内设于手柄壳体的支撑套，所述输出电极的两极为固定于所述支撑套内圆上的第一电极触点和第二电极触点。
进一步，所述手柄电凝电路还包括固定外套于支撑套的第一弧形导电环和第二弧形导电环，所述第一电极触点由第一弧形导电环的一端沿径向穿过支撑套形成，所述第二电极触点由第二弧形导电环的一端沿径向穿过支撑套形成。
进一步，所述第一弧形导电环和第二弧形导电环均为弹性环，所述支撑套的外圆分 别设置有用于安装第一弧形导电环的第一安装槽和用于安装第二弧形导电环的第二安装槽。
进一步，所述手柄壳体内设置有柄内注水通道，所述柄内注水通道的柄内出水口位于输出电极的一侧，刀具安装于接口后，输出电极与柄内出水口密封分隔且柄内出水口用于与刀具上的刀内注水通道连通。
进一步，所述柄内注水通道由手柄壳体内的第一过水通道和支撑套内的第二过水通道组成，支撑套的内壁设置有内环形过水槽，所述柄内出水口位于所述内环形过水槽内。
进一步，所述柄内注水通道为注水管道，所述注水管道沿轴向穿过支撑套和手柄壳体，所述注水管道连通于柄内出水口；所述手柄电凝电路沿轴向穿过支撑套和手柄壳体并与动力组件的驱动电路集成同一输入接口或集成同一线束。
进一步，所述柄内出水口位于所述输出电极的前侧或者所述输出电极的后侧，所述前侧为靠近所述接口的一侧。
进一步，所述刀具的刀柄与所述支撑套的内圆之间设有多个密封圈，所述输出电极通过多个所述密封圈与所述柄内出水口密封分隔。
进一步，所述手柄电凝电路通过所述支撑套上的电路安装通道安装，所述电路安装通道包括设置于所述支撑套的外圆用于线缆通过的电路安装槽和电路安装通孔。
一种电凝型刨削刀具，所述电凝型刨削刀具与所述电凝型动力手柄配合，所述电凝型刨削刀具包括外刀管、内刀管和刀具电凝电路，所述内刀管内设于所述外刀管且与所述外刀管同轴转动配合，所述刀具电凝电路包括位于所述电凝型刨削刀具前端的工作电极和位于所述电凝型刨削刀具的刀柄的输入电极，所述输入电极与所述工作电极电连接，所述电凝型刨削刀具的刀柄安装于所述电凝型动力手柄的接口后，所述内刀管与所述电凝型动力手柄的动力组件驱动连接，所述输入电极与所述电凝型动力手柄的手柄电凝电路电连接。
进一步，沿电凝型刨削刀具的轴向设有绝缘依附于外刀管外壁的导电层，所述导电层的前端和外刀管的前端分别构成工作电极的两极。
进一步，所述输入电极包括绝缘并行排列于刀柄的第一电极环和第二电极环，所述第一电极环电连接于所述导电层，所述第二电极环电连接于所述外刀管，所述第一电极环和第二电极环分别与所述手柄电凝电路的输出电极的两极对应电接触连接。
进一步，所述第一电极环包括外套于所述导电层的第一座筒和由所述第一座筒外壁 径向向外延伸并弯折形成的第一翼形环；所述第二电极环包括外套于所述外刀管的第二座筒和由所述第二座筒外壁径向向外延伸形成圆环形的第二翼形环。
进一步，所述导电层的内壁、所述导电层的外壁分别设置有内绝缘层和外绝缘层。
进一步，所述外刀管与所述内刀管之间形成刀内注水通道，所述刀柄上设有与所述刀内注水通道连通的流道。
进一步，所述流道沿所述刀柄径向设置，所述刀柄的外圆设有外环形过水槽，所述流道的刀内进水口位于所述外环形过水槽内。
进一步，所述第一电极环和所述第二电极环均嵌于所述刀柄的内部且位于所述外环形过水槽的一侧，所述外环形过水槽的前侧和所述外环形过水槽的后侧分别设有密封圈。
进一步，所述内刀管的尾端穿出所述外刀管且与所述刀柄形成轴向密封，所述流道位于该密封处之前。
一种刨削组件，所述刨削组件包括所述电凝型动力手柄和所述电凝型刨削刀具。
发明的有益效果是：本发明的电凝型动力手柄、电凝型刨削刀具及刨削组件，通过在手柄的接口处设置输出电极，当刀具插入后，可直接为刀具内的刀具电凝电路供电，使电凝正常工作；同时手柄电凝电路的设置不影响刀具的正常安装，使得电凝型刨削手柄同时具有电凝和刨削功能，能够及时止血，避免手术等待时间，同时避免在刀具上外接电缆线，保证对影响医生手术操作视野没有影响，不会因电凝电路的外设连接座或线缆连接而增加手术操作不便，减少手术干扰，降低手术难度。
附图说明
下面结合附图和实施例对发明作进一步描述：
图1为本发明刨削组件中电凝型动力手柄与刀具组装的结构示意图；
图2为图1中A处放大图；
图3为本发明电凝型动力手柄的支撑套的结构示意图；
图4a为本发明电凝型动力手柄的第一弧形导电环的结构示意图；
图4b为本发明电凝型动力手柄的第二弧形导电环的结构示意图；
图5为本发明电凝型刨削刀具的外刀管结构示意图；
图6为图5的B处放大图；
图7为本发明电凝型刨削刀具的内刀管、外刀管装配结构示意图；
图8为本发明电凝型动力手柄的柄内注水通道与内环形过水槽接通的结构示意图。
具体实施方式
实施方式一
图1为本发明刨削组件中电凝型动力手柄与刀具组装的结构示意图，图2为图1中A处放大图，图3为本发明电凝型动力手柄的支撑套的结构示意图，图4a为本发明电凝型动力手柄的第一弧形导电环结构示意图，图4b为本发明电凝型动力手柄的第二弧形导电环的结构示意图，图5为本发明电凝型刨削刀具的外刀管结构示意图，图6为图5的B处放大图，图7为本发明电凝型刨削刀具的内刀管、外刀管装配结构示意图，图8为本发明电凝型动力手柄的柄内注水通道与内环形过水槽接通的结构示意图。如图所示，本实施例的电凝型刨削手柄，包括手柄壳体1和动力组件，所述手柄壳体1具有用于连接并驱动刀具2的接口，还包括手柄电凝电路，所述手柄电凝电路包括设置于接口内的输出电极，刀具2安装于接口后，所述输出电极与刀具2的刀具电凝电路电连接，所述输出电极可以通过导线或导电层(所述导线或导电层可为所述手柄电凝电路的一部分)与手柄壳体1尾端的线缆插口连接(动力组件的电源线和/或控制线也连接于所述线缆插口，并通过线缆插口集成为一束与外部主机连接；当然，输出电极也可以通过线缆穿出手柄壳体与外部主机连接)，前端表示手柄壳体上靠近于所述接口的一端，线缆插口与外部控制连接，或者通过内设电源供电。通过在所述接口处设置输出电极，当刀具2插入后，可直接为刀具2的刀具电凝电路供电，使电凝正常工作；同时手柄电凝电路的设置不影响刀具2的正常安装，使得电凝型刨削手柄同时具有电凝和刨削功能，避免在刀具2上外接电缆线，对影响医生手术操作视野没有影响，避免因电凝电路的外设连接座或线缆连接而增加手术操作不便，减少手术干扰，降低手术难度。
本实施例中，还包括内套于手柄壳体1的支撑套3，所述输出电极的两极为固定于所述支撑套3内圆上的第一电极触点4a和第二电极触点5a；第一电极触点4a和第二电极触点5a固定设置于支撑套3上，固定方式可以是以可拆卸的方式固定或永久性固定，利用支撑套3的设置，易于实现第一电极触点4a和第二电极触点5a与刀具2的刀具电凝电路接触导通，可灵活调整输出电极沿圆周方向位置，并且方便检修，易于更换。
本实施例中，所述手柄电凝电路还包括固定外套于支撑套3的第一弧形导电环4和第二弧形导电环5，所述第一电极触点4a由第一弧形导电环4的一端沿径向穿过支撑套3形成，所述第二电极触点5a由第二弧形导电环5的一端沿径向穿过支撑套3形成；所 述第一弧形导电环4和第二弧形导电环5为优弧环，支撑套3沿径向开设有过孔用于弧形导电环(也即，第一弧形导电环和第二弧形导电环)的端部穿过，通过设置弧形导电环的结构并使弧形导电环的端部沿支撑套3的径向穿过形成电极触点(也即，第一电极触点4a和第二电极触点5a)，易于装拆，方便调整，且固定稳定。
本实施例中，所述第一弧形导电环4和第二弧形导电环5均为弹性环，所述支撑套3外圆分别设置有用于安装第一弧形导电环4的第一安装槽4b和用于安装第二弧形导电环5的第二安装槽5b；弧形导电环的弹性结构易于电极触点对刀具2中的刀具电凝电路施加一个径向向内的压力，使得电极触点能稳定连接于刀具电凝电路，而安装槽(也即，第一安装槽4b和第二安装槽5b)可以使弧形导电环轴向固定，并且可避免弧形导电环受到手柄壳体1的作用力，保证电极接触点的稳定性，避免电极接触点接触不稳定而造成电凝输出受到影响，保证电凝功率稳定输出。
本实施例中，所述手柄壳体1内设置有柄内注水通道6，所述柄内注水通道6的柄内出水口7位于输出电极的一侧，刀具2安装于接口后，输出电极与柄内出水口7密封分隔，且柄内出水口7用于与刀具2上的刀内注水通道连通，请配合参阅图5所示，所述刀内注水通道设置有刀内进水口28，刀柄20外圆设置有外环形过水槽29，所述刀内进水口28设置于外环形过水槽29内；所述柄内出水口7可以位于输出电极的前侧或者后侧，前侧表示靠近位于手柄上安装刀具2的接口一侧，本实施例中柄内出水口7安装于后侧，密封分隔可利用外套于刀柄20并处于支撑套3内圆的密封圈(包括密封圈8a和密封圈8b)对输出电极与柄内出水口7进行轴向密封，避免输出电极短路；通过在手柄内设置柄内注水通道6，使得手柄具有注水功能，通过与刀具2上的刀内注水通道连通，可对患处及时的冲洗处理，避免伤口被覆盖而影响手术操作，并且对刀具2上工作电极的结痂进行冲洗，同时可配合抽吸操作，及时清洗患处，避免伤口感染。
本实施例中，所述柄内注水通道6由手柄壳体1内的第一过水通道6a和支撑套3内的第二过水通道6b组成，支撑套3内壁设置有内环形过水槽9，所述柄内出水口7位于所述内环形过水槽9内，刀具2安装后，内环形过水槽9与刀柄20上的外环形过水槽29对应，形成过水管道结构。手柄壳体1内的第一过水通道6a和支撑套3内的第二过水通道6b之间可连接过渡过水管段连通或内部直接设置过水管，柄内注水通道6的入水口与外部生理盐水源连通，通过设置柄内出水口7，并且柄内出水口7设置于支撑套3上的内环形过水槽9，注入的水经柄内出水口7流入内环形过水槽9和外环形过水槽29形成的过水管道结构，再流入外环形过水槽29上的刀内进水口28，柄内出水口 7无需与刀具注水通道进行沿周向的对位即可实现注水，操作方便，并且确保了水流畅通。
本实施例中，所述柄内注水通道6为注水管道，当然，本实施例中该注水管道即为第一过水通道6a和第二过水通道6b形成的整体通道的一种结构；所述注水管道沿轴向穿过支撑套3和手柄壳体1，如图所示，支撑套3设置有安装电路的电路安装通道和安装注水管道的水管安装通道10，结构紧凑而方便安装；所述注水管道连通于柄内出水口7；所述手柄电凝电路沿轴向穿过支撑套3和手柄壳体1并与动力组件的驱动电路集成同一输入接口或集成同一线束；所述手柄电凝电路通过支撑套3上的电路安装通道安装，该电路安装通道包括设置于支撑套3外圆用于线缆通过的电路安装槽11和电路安装通孔12，通过电路安装通道和水管安装通道10的设置方便线路和注水管道的布置，便于装配，并起到固定、保护作用。
本实施例中还提出一种刨削组件，包括刀具2和上述所述的电凝型动力手柄，所述刀具2的刀柄20安装于所述电凝型动力手柄的接口中，所述刀具2包括外刀管21、内刀管22和刀具电凝电路，所述内刀管22与所述电凝型动力手柄的动力组件驱动连接，所述内刀管22内设于所述外刀管21且与所述外刀管21同轴转动配合，所述刀具电凝电路包括位于刀具2前端的工作电极和位于刀柄的输入电极，所述输入电极与工作电极电连接，电凝型动力手柄的输出电极对应电接触连接于所述输入电极。通过在刀柄上直接设置有输入电极，在使用时，直接将刀柄20安装到手柄的结构处实现电凝导通，装拆方便，并且结构紧凑，避免造成手术视野受到影响。
本实施例中，沿刀具2轴向设有绝缘依附于外刀管21外壁的导电层23，绝缘方式可通过在导电层23的内壁、外壁分别设置内绝缘层26和外绝缘层27，在另一实施例中，绝缘方式可只在导电层23的内壁设置内绝缘层26。所述导电层23的前端和外刀管21的前端分别构成工作电极的两极；导电层23环绕于外刀管21的外侧，可合理设置导电层23的前端沿外刀管21圆周方向的宽度，实现不同的电凝范围，保证电凝范围和方向可调，有效提高电凝效率；通过导电层23和外刀管21配合形成电流回路，结构简单紧凑，方便输入电极的连接安装，并且安装方便且牢固，保证工作电流稳定。
本实施例中，所述输入电极包括绝缘并行排列于刀柄20的第一电极环24a和第二电极环25a，所述第一电极环24a电连接于所述导电层23，所述第二电极环25a电连接于所述外刀管21，所述第一电极环24a和第二电极环25a分别与所述电凝型动力手柄的输出电极的两极对应电接触连接；通过电极环的环式结构，利于输入电极的固定，同时， 所述第一电极环24a的外侧壁与所述输出电极的第一电极触点4a连接，第二电极环25a的外侧壁与输出电极的第二电极触点5a连接，保证连接的稳定性，并且无需沿手柄的周向对位，连接方便。
实施方式二
如图1、图5、图6和图7所示，本实施例的电凝型刨削刀具2包括外刀管21和内设于外刀管21并与外刀管21同轴转动配合的内刀管22，还包括刀具电凝电路，所述刀具电凝电路包括位于刀具2前端的工作电极和位于刀柄20的输入电极，所述输入电极与工作电极之间电连接；所述工作电极设置于刀具2的前端，工作电极与输入电极之间可通过导线(如漆包线)或绝缘依附设置导电层电连接，刀具电凝电路可包括导线或导电层；当刀具2安装于手柄的接口后，输入电极与手柄的手柄电凝电路连通，手柄电凝电路至少包括在手柄接口内设置的与所述输入电极配合的输出电极，实现刀具2前端的工作电极导通并实现电凝。通过在刀具2尾部的刀柄20上设置输入电极，使刀具电凝电路位于刀具2内部，并使得刀具2安装在手柄上后，刀具2上的输入电极与手柄接口中的输出电极电连接，进而实现电凝，刀具2无需连接外接的电凝电源导线，避免造成视野的干扰，且在病人需要及时止血时，可利用电凝刨削手柄控制刀具2直接对伤口进行电凝止血，避免更换止血装置造成等待时间过长，保证病人的安全，并且装拆方便，操作简单。
本实施例中，沿刀具2轴向设有导电层23，所述导电层23的前端和外刀管21的前端分别构成工作电极的两极；通过导电层23的薄膜结构保证了刀具的径向尺寸变化不大，刀具2适用于狭小空间，并且导电层23不容易断路，避免刀具2经常维修，使得刀具2具有较长的使用寿命。
本实施例中，所述导电层23绝缘依附于外刀管21外壁；通过在导电层23的内表面、外表面分别设置内绝缘层26和外绝缘层27，使导电层23和外刀管21之间形成回路，绝缘层能够避免漏电和短路，保证刀具2电凝时的使用安全。
本实施例中，所述输入电极包括前后设置于刀柄20的第一电极环24a和第二电极环25a，所述第一电极环24a和第二电极环25a通过与所述手柄电凝电路电连接来实现与输入电源的电连接，所述第一电极环24a和第二电极环25a分别对应电连接于导电层23和外刀管21；所述导电层23后端外侧壁裸露，第一电极环24a内壁直接外套于导电层23并接触导通，同时，外刀管21尾端外表面直接裸露后与第二电极环25a的内侧壁接触导通，所述第一电极环24a包括外套于导电层23的第一座筒24b和由所述第一座 筒24b外壁径向向外延伸并弯折形成的第一翼形环24c，所述第一翼形环24c延径向截面为阶梯形；所述第二电极环25a包括外套于外刀管21的第二座筒25b和所述第二座筒25b外壁径向向外延伸形成圆环形的第二翼形环25c，所述刀柄20包括前段20a、中段20b和尾段20c，所述前段20a、中段20b和尾段20c通过相互配合固定安装第一电极环24a和第二电极环25a(通过前段20a和中段20b配合固定第一电极环24a，通过中段20b和尾段20c配合固定第二电极环25a)，利用第一座筒24b和第二座筒25b的设置，保证第一电极环24a和第二电极环25a的稳定固定，并且接触电阻小，保证发热功率低；所述第一翼形环24c和第二翼形环25c的外侧壁分别为导电接触点；通过第一翼形环24c和第二翼形环25c配合手柄固定，第一电极环24a和第二电极环25a的结构稳定性强，与柄内输出电极稳定接触，同时保证结构紧凑，装拆方便。
本实施例中，所述外刀管21与内刀管22之间形成刀内注水通道31，所述刀柄20上设有与刀内注水通道31连通的流道30；通过在刀柄20设置与所述刀内注水通道连通的流道30，刀具安装于手柄后，流道30可连通于手柄的柄内注水通道，实现刨削组件内注水，避免用外部单独注水对手术操作和视野造成影响，降低手术难度，方便伤口和刀具前端电凝的动作电极冲洗。
本实施例中，所述流道30沿刀柄20径向设置，刀柄20外圆设有外环形过水槽29，所述流道30的刀内进水口28位于该外环形过水槽29内；通过外环形过水槽29的设置，流道30的刀内进水口28不需手柄注水通道进行沿周向的对位即可实现注水，操作方便，并且确保了水流畅通。
本实施例中，所述内刀管22的尾端穿出外刀管21且与刀柄20形成轴向密封，所述流道30位于该密封处前且与刀内注水通道31连通；通过刀柄20对内刀管22形成轴向密封，密封结构为通过在内刀管22外壁与刀柄20之间设置密封圈实现轴向密封，保证内刀管22在转动时也能同时注水，保证手术效率。
本实施例中，所述第一电极环24a和第二电极环25a均嵌于刀柄20内部且位于外环形过水槽29一侧，所述外环形过水槽29前侧和后侧分别设有轴向密封圈(包括密封圈8a和密封圈8b)，使输入电极与外环形过水槽29密封绝缘。本实施例中，第一电极环24a和第二电极环25a均嵌于刀柄20内部且位于外环形过水槽29前侧；前端表示刀具上靠近工作电极的一端；结构简单，易于装配，密封效果好。
本实施例中，所述内刀管22穿出外刀管21且与刀柄20在刀柄20的尾段20c形成轴向密封；所述刀柄20的尾段20c端部设置有端盖组件进行密封，所述端盖组件包括 环形盖板32和唇形密封圈33，所述环形盖板32外圆卡接于尾段20c的尾端并轴向向前压紧唇形密封圈33的外圆，所述唇形密封圈33的内圆外套于内刀管22外壁实现轴向密封，所述唇形密封圈33位于环形盖板32的前侧；装配方便，密封效果好。
最后说明的是，以上实施例仅用以说明发明的技术方案而非限制，尽管参照较佳实施例对发明进行了详细说明，本领域的普通技术人员应当理解，可以对发明的技术方案进行修改或者等同替换，而不脱离发明技术方案的宗旨和范围，其均应涵盖在发明的权利要求范围当中。

Claims (20)

  1. 一种电凝型动力手柄，包括手柄壳体和动力组件，所述手柄壳体具有用于连接并驱动刀具的接口，其中：所述电凝型动力手柄还包括手柄电凝电路，所述手柄电凝电路包括设置于所述接口内的输出电极，所述刀具安装于所述接口后，所述输出电极与所述刀具的刀具电凝电路电连接。
  2. 根据权利要求1所述的电凝型动力手柄，其中：所述电凝型动力手柄还包括内设于所述手柄壳体的支撑套，所述输出电极的两极为固定于所述支撑套的内圆上的第一电极触点和第二电极触点。
  3. 根据权利要求2所述的电凝型动力手柄，其中：所述手柄电凝电路还包括固定外套于所述支撑套的第一弧形导电环和第二弧形导电环，所述第一电极触点由所述第一弧形导电环的一端沿径向穿过所述支撑套形成，所述第二电极触点由所述第二弧形导电环的一端沿径向穿过所述支撑套形成。
  4. 根据权利要求3所述的电凝型动力手柄，其中：所述第一弧形导电环和所述第二弧形导电环均为弹性环，所述支撑套的外圆分别设置有用于安装所述第一弧形导电环的第一安装槽和用于安装所述第二弧形导电环的第二安装槽。
  5. 根据权利要求2所述的电凝型动力手柄，其中：所述手柄壳体内设置有柄内注水通道，所述柄内注水通道的柄内出水口位于所述输出电极的一侧，所述刀具安装于所述接口后，所述输出电极与所述柄内出水口密封分隔且所述柄内出水口用于与所述刀具上的刀内注水通道连通。
  6. 根据权利要求5所述的电凝型动力手柄，其中：所述柄内注水通道由所述手柄壳体内的第一过水通道和所述支撑套内的第二过水通道组成，所述支撑套的内壁设置有内环形过水槽，所述柄内出水口位于所述内环形过水槽内。
  7. 根据权利要求5所述的电凝型动力手柄，其中：所述柄内注水通道为注水管道，所述注水管道沿轴向穿过所述支撑套和所述手柄壳体，所述注水管道连通于所述柄内出水口；所述手柄电凝电路沿轴向穿过所述支撑套和所述手柄壳体并与所述动力组件的驱动电路集成同一输入接口或集成同一线束。
  8. 根据权利要求5所述的电凝型动力手柄，其中：所述柄内出水口位于所述输出电极的前侧或者所述输出电极的后侧，所述前侧为靠近所述接口的一侧。
  9. 根据权利要求5所述的电凝型动力手柄，其中：所述刀具的刀柄与所述支撑套的内圆之间设有多个密封圈，所述输出电极通过多个所述密封圈与所述柄内出水口密封分 隔。
  10. 根据权利要求2所述的电凝型动力手柄，其中：所述手柄电凝电路通过所述支撑套上的电路安装通道安装，所述电路安装通道包括设置于所述支撑套的外圆用于线缆通过的电路安装槽和电路安装通孔。
  11. 一种电凝型刨削刀具，其中：所述电凝型刨削刀具与如权利要求1-10中任一项所述的电凝型动力手柄配合，所述电凝型刨削刀具包括外刀管、内刀管和刀具电凝电路，所述内刀管内设于所述外刀管且与所述外刀管同轴转动配合，所述刀具电凝电路包括位于所述电凝型刨削刀具前端的工作电极和位于所述电凝型刨削刀具的刀柄的输入电极，所述输入电极与所述工作电极电连接，所述电凝型刨削刀具的刀柄安装于所述电凝型动力手柄的接口后，所述内刀管与所述电凝型动力手柄的动力组件驱动连接，所述输入电极与所述电凝型动力手柄的手柄电凝电路电连接。
  12. 根据权利要求11所述的电凝型刨削刀具，其中：沿所述电凝型刨削刀具的轴向设有绝缘依附于所述外刀管外壁的导电层，所述导电层的前端和所述外刀管的前端分别构成所述工作电极的两极。
  13. 根据权利要求12所述的电凝型刨削刀具，其中：所述输入电极包括绝缘并行排列于所述刀柄的第一电极环和第二电极环，所述第一电极环电连接于所述导电层，所述第二电极环电连接于所述外刀管，所述第一电极环和所述第二电极环分别与所述手柄电凝电路的输出电极的两极对应电接触连接。
  14. 根据权利要求13所述的电凝型刨削刀具，其中：所述第一电极环包括外套于所述导电层的第一座筒和由所述第一座筒外壁径向向外延伸并弯折形成的第一翼形环；所述第二电极环包括外套于所述外刀管的第二座筒和由所述第二座筒外壁径向向外延伸形成圆环形的第二翼形环。
  15. 根据权利要求12所述的电凝型刨削刀具，其中：所述导电层的内壁、所述导电层的外壁分别设置有内绝缘层和外绝缘层。
  16. 根据权利要求13所述的电凝型刨削刀具，其中：所述外刀管与所述内刀管之间形成刀内注水通道，所述刀柄上设有与所述刀内注水通道连通的流道。
  17. 根据权利要求16所述的电凝型刨削刀具，其中：所述流道沿所述刀柄径向设置，所述刀柄的外圆设有外环形过水槽，所述流道的刀内进水口位于所述外环形过水槽内。
  18. 根据权利要求17所述的电凝型刨削刀具，其中：所述第一电极环和所述第二电极环均嵌于所述刀柄的内部且位于所述外环形过水槽的一侧，所述外环形过水槽的前侧 和所述外环形过水槽的后侧分别设有密封圈。
  19. 根据权利要求16所述的电凝型刨削刀具，其中：所述内刀管的尾端穿出所述外刀管且与所述刀柄形成轴向密封，所述流道位于该密封处之前。
  20. 一种刨削组件，其中：所述刨削组件包括如权利要求1-10中任一项所述的电凝型动力手柄和如权利要求11-19中任一项所述的电凝型刨削刀具。
PCT/CN2016/103716 2015-10-30 2016-10-28 电凝型动力手柄、电凝型刨削刀具及刨削组件 WO2017071633A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201510729197.7 2015-10-30
CN201520858969.2 2015-10-30
CN201520858969.2U CN205234623U (zh) 2015-10-30 2015-10-30 电凝型刨削刀具
CN201510729197.7A CN105167843B (zh) 2015-10-30 2015-10-30 电凝型动力手柄及刨削组件

Publications (1)

Publication Number Publication Date
WO2017071633A1 true WO2017071633A1 (zh) 2017-05-04

Family

ID=58629768

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/103716 WO2017071633A1 (zh) 2015-10-30 2016-10-28 电凝型动力手柄、电凝型刨削刀具及刨削组件

Country Status (1)

Country Link
WO (1) WO2017071633A1 (zh)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107616833A (zh) * 2017-09-29 2018-01-23 杭州康基医疗器械股份有限公司 电凝医疗器械
CN108938041A (zh) * 2018-07-19 2018-12-07 上海博进凯利泰医疗科技有限公司 一种医用刨削磨头
CN115068050A (zh) * 2022-07-29 2022-09-20 重庆西山科技股份有限公司 医用磨削刀具及其动密封结构
CN117379142A (zh) * 2023-11-01 2024-01-12 邦士医疗科技股份有限公司 一种可拆卸的妇科手术用刨削器
WO2023212605A3 (en) * 2022-04-26 2024-02-01 Safecirc, Llc Electrical surgical tools for circumcision
CN117731386A (zh) * 2024-02-08 2024-03-22 诺美伊创医疗科技(成都)有限公司 一种内刀头组件、内刀组件及刨刀
CN117731386B (zh) * 2024-02-08 2024-06-11 诺美伊创医疗科技(成都)有限公司 一种内刀头组件、内刀组件及刨刀

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003068046A2 (en) * 2002-02-13 2003-08-21 Applied Medical Resources Corporation Tissue fusion/welder apparatus corporation
CN201524137U (zh) * 2009-09-14 2010-07-14 侯靖平 多功能电凝切割器
CN102670299A (zh) * 2011-02-28 2012-09-19 罗伯特·L·布罗姆利 一种改进的手持高频电刀笔
CN202932982U (zh) * 2012-06-29 2013-05-15 重庆西山科技有限公司 医用手术刨刀
CN105167843A (zh) * 2015-10-30 2015-12-23 重庆西山科技股份有限公司 电凝型动力手柄及刨削组件
CN205094581U (zh) * 2015-10-30 2016-03-23 重庆西山科技股份有限公司 手柄总成及刨削装置
CN205144716U (zh) * 2015-10-30 2016-04-13 重庆西山科技股份有限公司 注水型刨削动力手柄及刨削组件
CN205144668U (zh) * 2015-10-30 2016-04-13 重庆西山科技股份有限公司 注水型刨削刀具
CN205234623U (zh) * 2015-10-30 2016-05-18 重庆西山科技股份有限公司 电凝型刨削刀具

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003068046A2 (en) * 2002-02-13 2003-08-21 Applied Medical Resources Corporation Tissue fusion/welder apparatus corporation
CN201524137U (zh) * 2009-09-14 2010-07-14 侯靖平 多功能电凝切割器
CN102670299A (zh) * 2011-02-28 2012-09-19 罗伯特·L·布罗姆利 一种改进的手持高频电刀笔
CN202932982U (zh) * 2012-06-29 2013-05-15 重庆西山科技有限公司 医用手术刨刀
CN105167843A (zh) * 2015-10-30 2015-12-23 重庆西山科技股份有限公司 电凝型动力手柄及刨削组件
CN205094581U (zh) * 2015-10-30 2016-03-23 重庆西山科技股份有限公司 手柄总成及刨削装置
CN205144716U (zh) * 2015-10-30 2016-04-13 重庆西山科技股份有限公司 注水型刨削动力手柄及刨削组件
CN205144668U (zh) * 2015-10-30 2016-04-13 重庆西山科技股份有限公司 注水型刨削刀具
CN205234623U (zh) * 2015-10-30 2016-05-18 重庆西山科技股份有限公司 电凝型刨削刀具

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107616833A (zh) * 2017-09-29 2018-01-23 杭州康基医疗器械股份有限公司 电凝医疗器械
CN107616833B (zh) * 2017-09-29 2024-04-19 杭州康基医疗器械有限公司 电凝医疗器械
CN108938041A (zh) * 2018-07-19 2018-12-07 上海博进凯利泰医疗科技有限公司 一种医用刨削磨头
CN108938041B (zh) * 2018-07-19 2024-05-03 上海利格泰医用设备有限公司 一种医用刨削磨头
WO2023212605A3 (en) * 2022-04-26 2024-02-01 Safecirc, Llc Electrical surgical tools for circumcision
CN115068050A (zh) * 2022-07-29 2022-09-20 重庆西山科技股份有限公司 医用磨削刀具及其动密封结构
CN117379142A (zh) * 2023-11-01 2024-01-12 邦士医疗科技股份有限公司 一种可拆卸的妇科手术用刨削器
CN117379142B (zh) * 2023-11-01 2024-05-17 邦士医疗科技股份有限公司 一种可拆卸的妇科手术用刨削器
CN117731386A (zh) * 2024-02-08 2024-03-22 诺美伊创医疗科技(成都)有限公司 一种内刀头组件、内刀组件及刨刀
CN117731386B (zh) * 2024-02-08 2024-06-11 诺美伊创医疗科技(成都)有限公司 一种内刀头组件、内刀组件及刨刀

Similar Documents

Publication Publication Date Title
WO2017071633A1 (zh) 电凝型动力手柄、电凝型刨削刀具及刨削组件
CN105167843B (zh) 电凝型动力手柄及刨削组件
US7854736B2 (en) Surgical instrument and method
US5941876A (en) Electrosurgical rotating cutting device
AU2016370442A1 (en) Multi-function high-frequency tool for endoscope
CN113317865B (zh) 内窥镜用扩展装置
CN205094581U (zh) 手柄总成及刨削装置
CN212234671U (zh) 可伸缩式吸烟照明手术电极
CN112022341A (zh) 一种可自动清洗的耳鼻喉等离子电极
CN205234623U (zh) 电凝型刨削刀具
CN113081245A (zh) 一种多功能切开刀
CN205144716U (zh) 注水型刨削动力手柄及刨削组件
CN106725833A (zh) 一种具有照明功能的术中解剖器
US20230024565A1 (en) Electrosurgical instrument
CN205144668U (zh) 注水型刨削刀具
CN211583474U (zh) 一种单弯电极结构及手术电极
CN113520571A (zh) 用于喉部扁桃体的低温等离子体多功能手术刀
CN209107566U (zh) 等离子体手术电极结构
CN108378921A (zh) 等离子手术系统
CN209269865U (zh) 一种电刀笔
CN205494002U (zh) 分体式高频电刀
CN116942414B (zh) 一种耳内肉芽消融等离子电极
GB2520112A (en) Electrode assembly
CN215534964U (zh) 多功能切开刀
AU2014203262B2 (en) Electrosurgical instrument

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16859068

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16859068

Country of ref document: EP

Kind code of ref document: A1