Microwave electric shear composite energy tool bit for endoscope

Abstract

The invention discloses a microwave electric shear composite energy tool bit for an endoscope, and relates to the technical field of surgical instruments, the microwave electric shear composite energy tool bit comprises a connecting seat, a fixed knife and a movable knife, the fixed knife is fixedly arranged at the front end of the connecting seat, the movable knife is hinged to the fixed knife through a rotating shaft, a stripping surface is arranged on the outer side of the fixed knife, and the stripping surface is connected with the connecting seat. An electric wire and a microwave conduction wire are arranged in the connecting base in a penetrating mode, the electric wire is connected with the movable knife, the microwave conduction wire is connected with the fixed knife, a traction assembly is arranged in the connecting base, and the output end of the traction assembly is fixedly connected with the movable knife and used for driving the movable knife to be opened and closed. The movable knife emits electric energy for shearing operation, the fixed knife emits microwave energy, the stripping face on the fixed knife is used for stripping operation, energy instruments do not need to be replaced in the operation process, and the operation efficiency and safety are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of surgical instruments, and in particular to a microwave electric shears composite energy blade head for laparoscope. Background Art

[0002] With the rapid development of modern medicine, various types of surgical equipment have emerged, such as laser knives and microwave scissors for surgery. These high-tech surgical instruments have replaced traditional surgical instruments and are used in activities such as removing diseased tissues in the human body and conducting clinical surgical treatments. During surgery, tissues are cut, separated, and hemostatic. These instruments emit high-frequency, ultrasonic, microwave and other energies to interact with tissues to achieve precise surgery.

[0003] However, tissue stripping and hemostasis operations in existing surgical operations require the use of different energy instruments respectively. The use of various energy instruments in turn makes the operation of medical staff very cumbersome, which not only prolongs the operation time, but also seriously affects the safety of the surgical operation and even leads to the failure of the surgical operation.

[0004] Therefore, there is an urgent need for a microwave electric shears composite energy blade for laparoscope. Summary of the invention

[0005] In view of this, the present invention provides a microwave electric shears composite energy blade head for laparoscope to solve the problems raised in the above background technology, and specifically discloses the following contents:

[0006] A composite energy blade head of microwave electric shears for laparoscope comprises a connecting seat, a fixed blade and a movable blade, wherein the fixed blade is fixedly arranged at the front end of the connecting seat, the movable blade is hinged to the fixed blade via a rotating shaft, a peeling surface is arranged on the outer side of the fixed blade, an electric wire and a microwave transmission line are passed through the connecting seat, the electric wire is connected to the movable blade, the microwave transmission line is connected to the fixed blade, a pulling assembly is arranged in the connecting seat, and the output end of the pulling assembly is fixedly connected to the movable blade for driving the movable blade to open and close.

[0007] Furthermore, the pulling assembly includes a pulling wire, a reset plate and a reset spring; a pulling groove is provided through the connecting seat, a reset groove is connected to the middle of the pulling groove, and the reset groove is larger than the pulling groove;

[0008] An eccentric column is provided at a position of the movable knife close to the rotating shaft, and one end of the pulling wire passes through the pulling groove and is fixedly connected to the eccentric column;

[0009] The reset plate is adapted to the reset groove; the pulling wire passes through the reset plate and is fixedly connected to the reset plate; the reset spring is sleeved on the pulling wire, one end of the reset spring is fixedly connected to the reset plate, and the other end is fixedly connected to the inner wall of the reset groove away from the reset plate.

[0010] Furthermore, the movable knife is provided with a limiting groove, and the fixed knife is provided with a limiting pin matched with the limiting groove.

[0011] Furthermore, the electrical conductor is connected to a power source via a power switch, and the microwave transmission line is connected to a microwave source via a microwave switch.

[0012] Furthermore, the microwave transmission line is a copper wire with an insulating sheath.

[0013] The beneficial effects of the present invention are:

[0014] In the present invention, the movable knife emits electrical energy for shearing operations, the fixed knife emits microwave energy, and the stripping surface on the fixed knife is used for stripping operations. There is no need to replace energy instruments during the operation, which greatly improves the efficiency and safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0016] Figure 1 The present invention is a front view of a microwave electric shears composite energy blade head for laparoscope.

[0017] Figure 2 The figure is a schematic diagram of the internal structure of a microwave electric shears composite energy blade for laparoscope according to the present invention.

[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0019] Among them, in the figure:

[0020] 1-connecting seat; 11-pulling groove; 12-reset groove; 2-movable knife; 21-eccentric column; 22-limiting groove; 3-fixed knife; 31-peeling surface; 32-limiting pin; 4-rotating shaft; 5-electric conductor; 6-microwave transmission line; 7-pulling wire; 8-reset plate; 9-reset spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or components is not necessarily limited to those steps or components that are clearly listed, but may include other steps or components that are not clearly listed or inherent to these processes, methods, products or devices.

[0023] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0024] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0025] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] See attached Figure 1-3The present invention discloses a microwave electric shear composite energy blade head for laparoscope, comprising a connecting seat 1, a fixed blade 3 and a movable blade 2, wherein the fixed blade 3 is fixedly arranged at the front end of the connecting seat 1, the movable blade 2 is hinged to the fixed blade 3 through a rotating shaft 4, a peeling surface 31 is arranged on the outer side of the fixed blade 3, an electric wire 5 and a microwave transmission line 6 are passed through the connecting seat 1, the electric wire 5 is connected to the movable blade 2, the microwave transmission line 6 is connected to the fixed blade 3, a pulling component is arranged in the connecting seat 1, and the output end of the pulling component is fixedly connected to the movable blade 2 for driving the movable blade 2 to open and close.

[0027] In this embodiment, the peeling surface 31 can be shovel-shaped, the movable knife 2 emits electrical energy for shearing operations, the fixed knife 3 emits microwave energy, and the peeling surface 31 on the fixed knife 3 is used for peeling operations. There is no need to replace energy devices during the operation, which greatly improves the efficiency and safety of the operation.

[0028] The pulling assembly includes a pulling wire 7, a reset plate 8 and a reset spring 9; a pulling groove 11 is provided in the connecting seat 1, and a reset groove 12 is connected to the middle of the pulling groove 11, and the reset groove 12 is larger than the pulling groove 11;

[0029] An eccentric column 21 is provided near the rotating shaft 4 of the movable knife 2, and one end of the pulling wire 7 passes through the pulling groove 11 and is fixedly connected to the eccentric column 21;

[0030] The reset plate 8 is adapted to the reset groove 12; the pulling wire 7 passes through the reset plate 8 and is fixedly connected to the reset plate 8; the reset spring 9 is sleeved on the pulling wire 7, one end of the reset spring 9 is fixedly connected to the reset plate 8, and the other end is fixedly connected to the inner wall of the reset groove 12 away from the reset plate 8.

[0031] In this embodiment, the pulling wire 7 is pulled away from one end of the eccentric column 21, and the pulling wire 7 pulls the movable knife 2 to rotate along the rotating shaft 4 through the eccentric column 21, so that the fixed knife 3 and the movable knife 2 shear the lesion site. After the excision, the pulling wire 7 is released, and the reset spring 9 pushes the reset plate 8, driving the pulling wire 7 to move closer to the movable knife 2, thereby driving the movable knife 2 to reset and return to the open state.

[0032] The movable knife 2 is provided with a limiting groove 22 , and the fixed knife 3 is provided with a limiting pin 32 matched with the limiting groove 22 , which is used to limit the shearing closing position of the movable knife 2 and the fixed knife 3 .

[0033] The electric conductor 5 is connected to the power source through the power switch, and the microwave transmission line 6 is connected to the microwave source through the microwave switch.

[0034] In this embodiment, the power source or the microwave source can be turned on separately to facilitate energy switching.

[0035] In this embodiment, the microwave transmission line 6 is a copper wire with an insulating sheath.

[0036] Directions:

[0037] When the shearing operation is required, the power is turned on, the fixed knife 3 and the movable knife 2 are aligned with the part to be cut, the movable knife 2 emits electrical energy, pulls the pulling wire 7, and the pulling wire 7 pulls the movable knife 2 to rotate along the rotating shaft 4 through the eccentric column 21, so that the fixed knife 3 and the movable knife 2 shear the lesion part, and the shearing operation is completed;

[0038] When the peeling operation is required, turn on the microwave source, align the peeling surface 31 with the part to be peeled (at this time, for precise operation, the movable knife 2 can be closed), the peeling surface 31 emits microwave energy, moves the connecting seat 1, and makes the peeling surface 31 peel off the lesion part to complete the peeling operation.

[0039] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A microwave electric shears composite energy blade for laparoscope, characterized in that: The invention comprises a connecting seat (1), a fixed knife (3) and a movable knife (2), wherein the fixed knife (3) is fixedly arranged at the front end of the connecting seat (1), the movable knife (2) is hinged to the fixed knife (3) via a rotating shaft (4), a peeling surface (31) is provided on the outer side of the fixed knife (3), an electric wire (5) and a microwave transmission line (6) are passed through the connecting seat (1), the electric wire (5) is connected to the movable knife (2), and the microwave transmission line (6) is connected to the fixed knife (3), a pulling component is provided in the connecting seat (1), and the output end of the pulling component is fixedly connected to the movable knife (2) for driving the movable knife (2) to open and close.

2. The microwave electric shears composite energy blade for laparoscope according to claim 1, characterized in that: The pulling assembly comprises a pulling wire (7), a reset plate (8) and a reset spring (9); a pulling groove (11) is provided through the connecting seat (1), a reset groove (12) is connected to the middle of the pulling groove (11), and the reset groove (12) is larger than the pulling groove (11); An eccentric column (21) is provided at a position of the movable knife (2) close to the rotating shaft (4); one end of the pulling wire (7) passes through the pulling groove (11) and is fixedly connected to the eccentric column (21); The reset plate (8) is adapted to the reset groove (12); the pulling wire (7) passes through the reset plate (8) and is fixedly connected to the reset plate (8); the reset spring (9) is sleeved on the pulling wire (7), one end of the reset spring (9) is fixedly connected to the reset plate (8), and the other end is fixedly connected to the inner wall of the reset groove (12) away from the reset plate (8).

3. The microwave electric shears composite energy blade for laparoscope according to claim 1, characterized in that: The movable knife (2) is provided with a limiting groove (22), and the fixed knife (3) is provided with a limiting pin (32) matched with the limiting groove (22).

4. The microwave electric shears composite energy blade for laparoscope according to claim 1, characterized in that: The electric conductor (5) is connected to a power source via a power switch, and the microwave transmission line (6) is connected to a microwave source via a microwave switch.

5. The microwave electric shears composite energy blade for laparoscope according to claim 1, characterized in that: The microwave transmission line (6) is a copper wire with an insulating sheath.

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