CN215425053U

CN215425053U - Labor-saving electrocoagulation cutting instrument

Info

Publication number: CN215425053U
Application number: CN202122068363.7U
Authority: CN
Inventors: 何炎彬; 楼航迪; 赵双双
Original assignee: Zhejiang Wedu Medical Devices Co ltd
Current assignee: Zhejiang Wedu Medical Devices Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-07
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a labor-saving electrocoagulation cutting instrument, which belongs to the technical field of medical instruments and comprises a hollow gripping handle, wherein an outer rod which extends forwards and backwards and is axially communicated is fixed on the gripping handle, a movable handle which forms rotary support with the gripping handle is arranged on the gripping handle, so that two rotating ends positioned at two sides of a rotating fulcrum of the movable handle are formed, one rotating end of the movable handle is connected with the other end of a clamp rod through a transmission mechanism and is used for driving the clamp rod to move axially, and the other rotating end of the movable handle extends to the outside of the front side of the gripping handle and is bent towards the bottom of the gripping handle to form an arc-shaped extending part. The utility model has the advantages of labor saving in operation, capability of greatly reducing the difficulty of operation, convenience for long-time use of operators and the like.

Description

Labor-saving electrocoagulation cutting instrument

Technical Field

The utility model relates to a labor-saving electrocoagulation cutting instrument, and belongs to the technical field of medical instruments.

Background

In clinical surgery, especially in endoscopic and open surgery, it is often necessary to use instruments for separating, electrocoagulation and cutting blood vessels or tissues. Current chinese patent No. 201420067544.5, the patent of patent name bipolar electricity congeals cutting knife device discloses a bipolar electricity congeals cutting knife device, including the handle, the handle in be equipped with jaw advancing mechanism, jaw advancing mechanism including fix the slide in the handle with articulate in the handle and one end expose the trigger outside the handle, the slide in be equipped with the slider, the jaw push rod fix on the slider, cutting knife push rod movably wear to establish in the slider and extend to outside the slide, the trigger other end rotate with the slider to be connected, the handle in still be equipped with the torsional spring, a torsional spring foot act on the handle, another foot is used in the trigger, its beneficial effect can easily promptly realize vascular tissue, separates, electricity congeals, cutting operation. It also has the following disadvantages: the force required by pulling the trigger is too large, so that the operation is laborious, the difficulty of the operation is increased, and the long-time use of operators is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a labor-saving electrocoagulation cutting instrument, which solves the problems that in the prior art, the operation is labor-consuming due to overlarge force required for pulling a trigger, the operation difficulty is increased, the long-time use of operators is inconvenient, and the like.

The technical purpose of the utility model is mainly solved by the following technical scheme: a labor-saving electrocoagulation cutting instrument comprises a hollow grasping handle, an outer rod which extends forwards and backwards and is axially communicated is fixed on the grasping handle, a clamp rod is movably arranged in the outer rod in a penetrating way, one end of the clamp rod extends to the front end of the outer rod and is fixed with two oppositely arranged clamp claws, a movable handle which forms rotary support with the grasping handle is arranged on the grasping handle, thereby forming two rotating ends which are positioned at two sides of the rotating fulcrum of the movable handle, one rotating end of the movable handle is connected with the other end of the clamp rod through a transmission mechanism for driving the clamp rod to move along the axial direction, the other rotating end of the movable handle extends to the outside of the front side of the grabbing handle and is bent towards the bottom of the grabbing handle to form an arc-shaped extending portion, and when the clamp rod moves along the axial direction, the two clamp claws are opened or closed.

When the device is used, an operator holds the gripping handle with one hand, the outer rod of the device is inserted into a part to be treated, then the arc-shaped extension part is shifted to enable the movable handle to rotate, so that the clamp rod can be driven to move axially through the transmission mechanism, when the clamp rod moves axially, two clamp claws at the front end of the clamp rod can be driven to open or close, and therefore tissue of the part to be treated can be subjected to electric coagulation hemostasis.

Preferably, the arc-shaped extension part is arranged in a convex arc shape; through setting up the arc extension into protruding circular arc shape, the operating personnel of being convenient for stirs the arc extension, can increase the travelling comfort of operation simultaneously.

Preferably, the bottom end of the arc-shaped extension part and the bottom end of the gripping handle are positioned on the same horizontal line; the bottom end of the arc-shaped extension part is arranged on the same horizontal line with the bottom end of the gripping handle, and the movable handle can be matched with the gripping handle to enable an operator to realize gripping, so that the force arm formed by the arc-shaped extension part is the longest, and labor is saved.

Preferably, the wall body of the gripping handle is provided with an opening for the movable handle to rotate, and the rotation fulcrum of the movable handle is positioned at the opening; the wall body department through at the gripping handle is equipped with and supplies movable handle pivoted uncovered, and movable handle's rotation fulcrum is located uncovered department for movable handle's rotation fulcrum is close to the edge of gripping handle, can increase the distance between movable handle's rotation fulcrum and the arc extension bottom, further prolongs the arm of force that the arc extension formed.

Preferably, the transmission mechanism includes two guide grooves formed at opposite side walls of the grip handle, the extending direction of the guide grooves is parallel to the axial direction of the clamp rod, a sliding sleeve fixedly connected with the end part of the clamp rod is arranged between the two guide grooves, the two sides of the sliding sleeve corresponding to the two guide grooves are respectively and fixedly provided with a guide bulge, the two guide bulges respectively extend into the corresponding guide grooves and are in sliding fit with the guide grooves, a spring groove with an opening at one end is formed at one end of the sliding sleeve, a positioning shaft extending parallel to the forceps rod is fixedly arranged in the gripping handle, a return spring is sleeved outside the positioning shaft, one end of the return spring is abutted against the end wall of the gripping handle, the other end of the reset spring extends into the spring groove and is abutted against the groove bottom of the spring groove, and one end, away from the opening, of the sliding sleeve is provided with a U-shaped groove which is movably matched with the rotating end of the movable handle.

Two guide grooves which are positioned at two opposite side walls of a gripping handle are arranged in a transmission mechanism, the extending direction of the guide grooves is parallel to the axis direction of a binding clip, a sliding sleeve fixedly connected with the end part of the binding clip is arranged between the two guide grooves, two sides of the sliding sleeve corresponding to the two guide grooves are respectively and fixedly provided with a guide bulge, the two guide bulges respectively extend into the corresponding guide grooves and are in sliding fit with the corresponding guide grooves, one end of the sliding sleeve is provided with a spring groove with an opening at the end, a positioning shaft extending parallel to the binding clip is fixedly arranged in the gripping handle, the outer side of the positioning shaft is sleeved with a return spring, one end of the return spring is abutted against the end wall of the gripping handle, the other end of the return spring extends into the spring groove and is abutted against the bottom of the spring groove, and one end of the sliding sleeve, far away from the opening, is provided with a U-shaped groove movably matched with the rotating end of a movable handle; when making stir the arc extension on the movable handle and making movable handle rotate, cooperation between one of them rotation end through movable handle and the U type groove can make the sliding sleeve remove along the extending direction of guide way, can play the effect of direction when removing through the direction arch, thereby can drive the tong bar and remove along the axial, thereby can drive two tong claws of tong bar front end and open or be closed, so that treat the tissue at treatment position and carry out the electricity congeals hemostasis, in addition because reset spring's reset effect, when unclamping movable handle, movable handle can self return.

Preferably, a push rod is movably arranged in the outer rod in a penetrating manner, one end of the push rod extends to the front end of the outer rod and is fixedly provided with a cutting knife, and the other end of the push rod extends into the gripping handle and is connected with a driving mechanism for driving the push rod to move axially.

Through still the activity wears to be equipped with the push-type broach pole in the outer pole, push-type broach pole one end extends to the outer pole front end and is fixed with the cutting knife, and the push-type broach pole other end extends to in grabbing the handle and is connected with the actuating mechanism who is used for driving push-type broach pole axial displacement for operating personnel can push-type broach pole along axial displacement through actuating mechanism drive, thereby can drive the cutting knife along the axial emergence displacement that pushes away the cutter pole, thereby can realize the function of cutting.

Preferably, the driving mechanism comprises a push-type broach press rod movably arranged on the gripping handle and opposite to the outer rod, the push-type broach press rod penetrates through a lateral wall body of the gripping handle in a sliding mode, a guide sliding groove communicated with the inside of the gripping handle is formed in the push-type broach press rod, a sliding rod parallel to the push-type broach press rod is movably arranged in the guide sliding groove in a penetrating mode, a supporting plate used for supporting the sliding rod in a sliding mode is fixedly arranged in the gripping handle, one end of the sliding rod penetrates through the supporting plate and is fixedly provided with a push plate fixedly connected with the end portion of the push-type broach press rod, the other end of the sliding rod extends into the guide sliding groove and is abutted to the inside of the push-type broach press rod, a return spring is sleeved on the sliding rod, one end of the return spring is abutted to the push plate, and the other end of the return spring is abutted to the bottom of the guide sliding groove.

The push broach device is characterized in that a push broach press rod which is positioned on a grasping handle and is arranged opposite to an outer rod is arranged in a driving mechanism, the push broach press rod penetrates through one side wall body of the grasping handle in a sliding manner, a guide chute which is communicated with the interior of the grasping handle is arranged in the push broach press rod, a slide rod which is parallel to the push broach rod is movably arranged in the guide chute in a penetrating manner, a support plate which is used for supporting the slide rod in a sliding manner is fixedly arranged in the grasping handle, one end of the slide rod penetrates through the support plate and is fixedly provided with a push plate which is fixedly connected with the end part of the push broach rod, the other end of the slide rod extends into the guide chute and is abutted against the interior of the push broach press rod, a return spring is sleeved on the slide rod, one end of the return spring is abutted against the push plate, and the other end of the return spring is abutted against the bottom of the guide chute, so that when an operator presses the push rod, the push plate can be driven by the push rod to displace along the axial direction of the push rod, and the cutter can be driven by the push rod due to the reset action of the return spring, when the push broach pressing rod is loosened, the push broach pressing rod can return automatically.

Preferably, one end of the sliding rod, which is located in the sliding guide groove, is provided with a connecting hole with an opening at the end, a connecting rod which is in sliding fit with the connecting hole is fixedly arranged at the bottom of the sliding guide groove, and an extending part which is abutted against the end part of the sliding rod is formed on the connecting rod.

Through the one end that is located the slide bar and leads the spout in be formed with this end open-ended connecting hole, lead the spout tank bottom set firmly be used for with connecting hole sliding fit's connecting rod, be formed with the extension with slide bar tip butt on the connecting rod, when making press the push-type broach and press the pole, can promote the slide bar through the extension on the connecting rod and carry out axial displacement, make the slide bar tip not with lead spout tank bottom direct contact, can prevent that the push-type broach from pressing the pole to be pushed up badly, simultaneously through the cooperation between connecting rod and the connecting hole, can lead when pressing the push-type broach and pressing the pole and making its removal, thereby can improve the stability that the cutting knife removed.

Preferably, one end of the push-type broach press rod, which is positioned outside the grip handle, is provided with a slope shape inclining towards one side close to the grip handle, and the end surface of the end is provided with anti-skid stripes.

The end, which is positioned outside the gripping handle, of the push-type broach press rod is arranged to be inclined towards one side close to the gripping handle, and the end face of the end is provided with anti-slip stripes, so that an operator can press the push-type broach press rod conveniently, and the push-type broach press rod is anti-slip and convenient to use.

Preferably, a limiting protrusion extending along a radial direction of the push-out lever is formed on one end surface of the push-out lever located inside the grip handle.

The limiting bulge extending along the radial direction of the push-type broach pressing rod is formed on the surface of one end, located inside the grabbing handle, of the push-type broach pressing rod, the axial limiting of the push-type broach pressing rod can be achieved through the limiting bulge, and the push-type broach pressing rod can be prevented from being ejected out of the grabbing handle through a return spring.

Therefore, the utility model has the advantages of labor saving in operation, capability of greatly reducing the difficulty of operation, convenience for long-time use of operators and the like.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the grip handle of the present invention;

FIG. 3 is a schematic cross-sectional view of the grip handle of the present invention;

fig. 4 is a perspective view of the push-type broach pushing rod according to the present invention.

The scores in the figures are as follows: 1. a grip handle; 2. an outer rod; 3. a clamp lever; 4. a jaw; 5. a movable handle; 6. a transmission mechanism; 7. an arc-shaped extension; 8. opening the mouth; 9. a guide groove; 10. a sliding sleeve; 11. a guide projection; 12. a spring slot; 13. positioning the shaft; 14. a return spring; 15. a U-shaped groove; 16. pushing the cutter rod; 17. a cutting knife; 18. a drive mechanism; 19. a push-type broach push rod; 20. a guide chute; 21. a slide bar; 22. a support plate; 23. pushing the plate; 24. a return spring; 25. connecting holes; 26. a connecting rod; 27. an extension portion; 28. and a limiting bulge.

Detailed Description

The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.

As shown in figure 1, the labor-saving electrocoagulation cutting instrument comprises a hollow gripping handle 1, wherein a movable handle 5 which forms a rotary support with the gripping handle 1 is arranged on the gripping handle 1, so that two rotating ends positioned at two sides of a rotating fulcrum of the movable handle 5 are formed, one rotating end of the movable handle 5 extends to the outside of the front side of the gripping handle 1 and bends towards the bottom of the gripping handle 1 to form an arc-shaped extending part 7, the arc-shaped extending part 7 is in a convex arc shape, and the bottom end of the arc-shaped extending part 7 and the bottom end of the gripping handle 1 are positioned on the same horizontal line.

As shown in fig. 2 and 3, the other rotating end of the movable handle 5 is connected with the other end of the clamping bar 3 through a transmission mechanism 6 for driving the clamping bar 3 to move axially, the transmission mechanism 6 includes two guide grooves 9 formed on two opposite side walls of the grasping handle 1, the extending direction of the guide grooves 9 is parallel to the axial direction of the clamping bar 3, a sliding sleeve 10 fixedly connected with the end of the clamping bar 3 is arranged between the two guide grooves 9, guide protrusions 11 are respectively fixedly arranged on two sides of the sliding sleeve 10 corresponding to the two guide grooves 9, the two guide protrusions 11 respectively extend into the corresponding guide grooves 9 and are in sliding fit with the corresponding guide grooves 9, a spring groove 12 with an opening at the end is formed at one end of the sliding sleeve 10, a positioning shaft 13 extending parallel to the clamping bar 3 is fixedly arranged in the grasping handle 1, a return spring 14 is sleeved outside the positioning shaft 13, one end of the return spring 14 abuts against the end wall of the grasping handle 1, the other end of the return spring 14 extends into the spring groove 12 and abuts against the bottom of the spring, one end of the sliding sleeve 10, which is far away from the opening, is provided with a U-shaped groove 15 which is movably matched with the rotating end of the movable handle 5, and the end part of the rotating end of the movable handle 5 is arranged into a cylinder which is movably matched with the U-shaped groove 15.

As shown in fig. 1 and 3, a wall body of the grasping handle 1 has an opening 8 for rotating the movable handle 5, the opening 8 penetrates through a sidewall body of the grasping handle 1, a rotation fulcrum of the movable handle 5 is located at the opening 8, the grasping handle 1 is fixed with an outer rod 2 which extends forwards and backwards and is axially through, the outer rod 2 is movably provided with a clamp rod 3, one end of the clamp rod 3 extends to the front end of the outer rod 2 and is fixed with two oppositely arranged clamp claws 4, the clamp claws 4 are made of elastic metal materials, when the clamp rod 3 moves axially, the two clamp claws 4 are opened or closed, the outer rod 2 is also movably provided with a push rod 16, and one end of the push rod 16 extends to the front end of the outer rod 2 and is fixed with a cutting knife 17.

As shown in fig. 2 and 4, the other end of the pusher bar 16 extends into the grip handle 1 and is connected with a driving mechanism 18 for driving the pusher bar 16 to move axially, the driving mechanism 18 includes a pusher pressing rod 19 movably disposed on the grip handle 1 and opposite to the outer rod 2, the pusher pressing rod 19 is cylindrical, the pusher pressing rod 19 slidably penetrates through a sidewall of the grip handle 1, one end of the pusher pressing rod 19 located outside the grip handle 1 is disposed in a slope shape inclined toward one side close to the grip handle 1, and an end surface of the end is provided with anti-slip stripes, a limiting protrusion 28 extending along the radial direction of the pusher pressing rod 19 is formed on one end surface of the pusher pressing rod 19 located inside the grip handle 1, a guide chute 20 communicated with the inside of the grip handle 1 is formed in the pusher pressing rod 19, a sliding rod 21 parallel to the pusher bar 16 is movably inserted in the guide chute 20, and the cross-sectional shape of the sliding rod 21 is not circular, a supporting plate 22 used for slidably supporting a sliding rod 21 is fixedly arranged in the grasping handle 1, one end of the sliding rod 21 penetrates through the supporting plate 22 and is fixedly provided with a push plate 23 fixedly connected with the end part of a push rod bar 16, the other end of the sliding rod 21 extends into a guide sliding groove 20 and is abutted against the inside of a push rod 19, one end of the sliding rod 21, which is positioned in the guide sliding groove 20, is provided with a connecting hole 25 with an opening at the end, the bottom of the guide sliding groove 20 is fixedly provided with a connecting rod 26 in sliding fit with the connecting hole 25, an extending part 27 abutted against the end part of the sliding rod 21 is formed on the connecting rod 26, a return spring 24 is sleeved on the sliding rod 21, one end of the return spring 24 is abutted against the push plate 23, and the other end of the return spring 24 is abutted against the bottom of the guide sliding groove 20.

In the specific implementation of the embodiment, an operator holds the grasping handle 1 with one hand, extends the outer rod of the device into a part to be treated, and then stirs the arc-shaped extension part 7 to enable the movable handle 5 to rotate anticlockwise, so that the sliding sleeve 10 can move forwards along the extension direction of the guide groove 9 through the matching between one rotating end of the movable handle 5 and the U-shaped groove 15, the claw rod 3 can be driven to move forwards along the axial direction, the two claws 4 at the front end of the claw rod 3 can be driven to open, the movable handle 5 is loosened after the part to be treated is clamped, the movable handle 5 rotates clockwise to reset under the action of the reset spring 14, the claw rod 3 is driven to move backwards along the axial direction to reset, the two claws 4 are closed to clamp the tissue of the part to be treated, and bipolar hemostasis is realized; in addition, an operator can press the push broach pressing rod 19 through fingers, the push plate 23 is driven to move forwards through the sliding rod 21, the push rod 16 can further drive the cutting knife 17 to move forwards along the axial direction of the push rod 16, electrocoagulation cutting is achieved, the push broach pressing rod 19 is loosened after cutting is completed, and the push broach pressing rod 19 drives the cutting knife 17 to automatically return under the action of the return spring 24.

It should be noted that when the clamping bar 3 moves forward along the axial direction, the two jaws at the front end of the clamping bar 3 open, and when the clamping bar 3 is reset backward along the axial direction, the two jaws at the front end of the clamping bar 3 close, which is the prior art, and therefore will not be described herein again.

The utility model has the advantages of labor saving in operation, capability of greatly reducing the difficulty of operation, convenience for long-time use of operators and the like.

Claims

1. The utility model provides a laborsaving type electricity congeals cutting apparatus, includes inside hollow gripping handle (1), be fixed with outer pole (2) that extend around and the axial link up on gripping handle (1), claw pole (3) are worn to be equipped with in outer pole (2) internalization, claw pole (3) one end extend to outer pole (2) front end is fixed with claw (4) of two relative settings, its characterized in that: the gripping handle (1) is provided with a movable handle (5) which forms a rotary support with the gripping handle (1), so that two rotating ends positioned on two sides of a rotating fulcrum of the movable handle (5) are formed, one rotating end of the movable handle (5) is connected with the other end of the clamp rod (3) through a transmission mechanism (6) and is used for driving the clamp rod (3) to move along the axial direction, the other rotating end of the movable handle (5) extends to the outside of the front side of the gripping handle (1) and bends towards the bottom of the gripping handle (1) to form an arc-shaped extending part (7), and when the clamp rod (3) moves along the axial direction, the two clamp claws (4) are opened or closed.

2. A power saving electrocoagulation cutting instrument according to claim 1, wherein: the arc-shaped extension part (7) is arranged into a convex arc shape.

3. A power saving electrocoagulation cutting instrument according to claim 1, wherein: the bottom end of the arc-shaped extension part (7) and the bottom end of the grasping handle (1) are positioned on the same horizontal line.

4. A power saving electrocoagulation cutting instrument according to claim 1, 2 or 3, wherein: the wall body of the gripping handle (1) is provided with an opening (8) for the movable handle (5) to rotate, and the rotating fulcrum of the movable handle (5) is positioned at the opening (8).

5. A power saving electrocoagulation cutting instrument according to claim 1, 2 or 3, wherein: the transmission mechanism (6) comprises two guide grooves (9) formed in two opposite side walls of the gripping handle (1), the extending direction of the guide grooves (9) is parallel to the axis direction of the forceps rod (3), a sliding sleeve (10) fixedly connected with the end part of the forceps rod (3) is arranged between the two guide grooves (9), guide protrusions (11) are fixedly arranged on two sides of the sliding sleeve (10) corresponding to the two guide grooves (9), the two guide protrusions (11) respectively extend into the corresponding guide grooves (9) and are in sliding fit with the guide grooves, one end of the sliding sleeve (10) is provided with a spring groove (12) with an opening at the end, a positioning shaft (13) parallel to the extension of the forceps rod (3) is fixedly arranged in the gripping handle (1), a reset spring (14) is sleeved on the outer side of the positioning shaft (13), one end of the reset spring (14) is abutted to the end wall of the gripping handle (1), the other end of the reset spring (14) extends into the spring groove (12) and is abutted against the groove bottom of the spring groove, and one end, away from the opening of the sliding sleeve (10), of the sliding sleeve is provided with a U-shaped groove (15) which is movably matched with the rotating end of the movable handle (5).

6. A power saving electrocoagulation cutting instrument according to claim 1, 2 or 3, wherein: still the activity is worn to be equipped with in outer pole (2) and is pushed away cutter arbor (16), push away cutter arbor (16) one end extend to outer pole (2) front end and be fixed with cutting knife (17), push away the cutter arbor (16) other end extend to in gripping handle (1) and be connected with and be used for the drive push away actuating mechanism (18) that cutter arbor (16) axial displacement.

7. A power saving electrocoagulation cutting instrument according to claim 6, wherein: the driving mechanism (18) comprises a push-type broach pressing rod (19) which is movably arranged on the grasping handle (1) and is opposite to the outer rod (2), the push-type broach pressing rod (19) penetrates through one lateral wall body of the grasping handle (1) in a sliding manner, a sliding chute (20) communicated with the interior of the grasping handle (1) is formed in the push-type broach pressing rod (19), a sliding rod (21) parallel to the push-type broach rod (16) penetrates through the sliding chute (20) in a movable manner, a supporting plate (22) used for supporting the sliding rod (21) in a sliding manner is fixedly arranged in the grasping handle (1), one end of the sliding rod (21) penetrates through the supporting plate (22) and is fixedly provided with a push plate (23) fixedly connected with the end part of the push-type broach bar (16), the other end of the sliding rod (21) extends into the sliding chute (20) and is abutted against the interior of the push-type broach pressing rod (19), and a return spring (24) is sleeved on the sliding rod (21), one end of the return spring (24) is abutted against the push plate (23), and the other end of the return spring (24) is abutted against the bottom of the guide sliding groove (20).

8. A power saving electrocoagulation cutting instrument according to claim 7, wherein: the sliding rod (21) is located one end in the guide sliding groove (20) is formed with a connecting hole (25) with an opening at the end, a connecting rod (26) which is used for being in sliding fit with the connecting hole (25) is fixedly arranged at the bottom of the guide sliding groove (20), and an extending part (27) which is abutted to the end part of the sliding rod (21) is formed on the connecting rod (26).

9. A power saving electrocoagulation cutting instrument according to claim 7, wherein: one end of the push broach press rod (19) positioned outside the grabbing handle (1) is arranged to be in a slope shape inclining towards one side close to the grabbing handle (1), and the end face of the end is provided with anti-skid stripes.

10. A power saving electrocoagulation cutting instrument according to claim 7, wherein: and a limiting bulge (28) extending along the radial direction of the push-type broach press rod (19) is formed on the surface of one end of the push-type broach press rod (19) positioned in the grabbing handle (1).