Adjustable bipolar coagulation forceps

Abstract

An adjustable bipolar electrocoagulation forceps, including a shell, a bipolar outer tube, a bipolar forceps, a bipolar inner core, bipolar positive and negative electrode wires, a tail, the bipolar forceps is arranged in the bipolar outer tube and is extruded by the tube wall of the bipolar outer tube, the forceps tip of the bipolar forceps is partially exposed from one side of the bipolar outer tube and the bipolar inner core, the tail is arranged on the other side outside the shell, the bipolar positive and negative electrode wires are connected with the positive and negative poles of the bipolar forceps, the shell is composed of an upper cover and a lower cover, the upper cover is provided with a sliding groove, the shell is further provided with an adjusting assembly, the adjusting assembly is composed of an adjusting screw, a fixed block, a spring, a tube core pin and a bipolar outer tube push block, the tube core pin penetrates the bipolar inner core and the bipolar outer tube, the bipolar outer tube push block is connected with the bipolar outer tube in a nested manner through the tube core pin, the spring is sleeved on the bipolar outer tube and is in contact with the bipolar outer tube, the fixed block is installed on the bipolar forceps and is arranged in the shell, and the adjusting screw is in contact with the bipolar outer tube push block through the sliding groove and the fixed block.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of medical devices, in particular to a kind of adjustable bipolar electrocoagulation forceps. BACKGROUND

[0002] Bipolar electrocoagulation forceps is a kind of hemostatic instrument commonly used in endoscopic surgery, through the flow of two-pole current between the tips of bipolar forceps, the electrical energy is converted into heat energy on the blood vessel wall of patient, so that the protein of blood vessel wall is coagulated and scabbed, to achieve the purpose of hemostasis.

[0003] The existing bipolar electrocoagulation forceps, the length of bipolar forceps that can be extended and the angle range of the head of forceps are fixed, which leads to the relatively fixed depth and width of bipolar electrocoagulation forceps that can be explored, in the case of needing to carry out deep and shallow operations respectively in one operation, or the operation involves multiple affected parts, different specifications of bipolar electrocoagulation forceps need to be frequently replaced, which leads to the reduction of the smoothness of operation. SUMMARY

[0004] To solve the foregoing technical problems, the purpose of the present application is to provide a kind of adjustable bipolar electrocoagulation forceps, which can adjust the distance between the tips of bipolar forceps, i.e. the angle of the tips of forceps, and the length of bipolar forceps that can be extended relative to the shell.

[0005] The content of the present application is:

[0006] A kind of adjustable bipolar electrocoagulation forceps, including shell, bipolar outer tube, bipolar forceps, bipolar inner core, bipolar positive and negative pole wire, tail, a part of bipolar forceps is arranged in bipolar outer tube and is extruded by the wall of bipolar outer tube, bipolar forceps is installed in bipolar inner core, bipolar inner core is installed in bipolar outer tube, the tip part of bipolar forceps is explored from one side of bipolar outer tube and bipolar inner core, the end of bipolar outer tube away from the head of bipolar forceps is arranged in the inner cavity of shell, the other end of bipolar outer tube close to the head of bipolar forceps is arranged on one side outside the shell, the tail is arranged on the other side outside the shell, bipolar positive and negative pole wire is connected with the positive and negative poles of bipolar forceps, the shell is composed of upper cover and lower cover, the upper cover is provided with sliding groove, the shell is also provided with adjusting assembly, the adjusting assembly is composed of adjusting screw, fixed block, spring, tube core pin and bipolar outer tube push block, the tube core pin penetrates through bipolar inner core and bipolar outer tube, the bipolar outer tube push block is connected with bipolar outer tube in the form of nesting through tube core pin, the spring is sleeved on bipolar outer tube and contacts with bipolar outer tube, the fixed block is installed on bipolar forceps and placed in the shell, the adjusting screw passes through sliding groove, fixed block and contacts with bipolar outer tube push block.

[0007] Further, the rod part of adjusting screw is set as circular truncated cone shape and the side surface of rod part is provided with thread, the contact part of sliding groove, fixed block and adjusting screw is also set as circular truncated cone shape matched with the rod part of adjusting screw, and is provided with matching thread.

[0008] Further, the bipolar forceps is connected with the bipolar inner core in a non-fixed way, and the bipolar forceps can rotate in the bipolar inner core.

[0009] Further, the bipolar forceps is connected with the bipolar inner core in a non-fixed way, and the bipolar forceps can rotate in the bipolar inner core.

[0010] Further, the sliding groove is provided with a detachable shielding piece.

[0011] Further, the bipolar outer tube is provided with a damping ring outside.

[0012] In an embodiment, the tail is provided with a handle, and the handle is fixedly connected with the shell.

[0013] In another embodiment, the tail of the bipolar forceps comprises a split channel, an endoscope and a suction device, the split channel comprises a split first shell and a split second shell, the split first shell is fixedly connected with the split second shell, the split first shell is provided with a suction device fixing sleeve, the split second shell is provided with a bipolar fixing sleeve, the suction device is connected with the split first shell through the suction device fixing sleeve, the bipolar outer tube push block is connected with the split second shell through the bipolar fixing sleeve, and the endoscope is arranged in an inner cavity space formed by the split first shell and the split second shell.

[0014] Further, the split first shell and the split second shell are connected through an adjusting screw.

[0015] The present application mainly has the following beneficial effects:

[0016] 1. By adjusting the screw rod to slide in the sliding groove, the bipolar outer tube, the bipolar inner core and the bipolar forceps are driven to slide synchronously in the inner cavity of the shell, so that the distance of the bipolar forceps extending out of the shell is controlled, and the adjustment of the insertion distance of the bipolar forceps is realized.

[0017] 2. By rotating the adjusting screw rod, the bipolar outer tube is moved relative to the bipolar forceps through the spring, and the distance between the forceps heads of the bipolar forceps, i.e. the opening angle of the forceps heads, can be adjusted.

[0018] 3. The damping ring arranged outside the bipolar outer tube can make the operation of moving the bipolar outer tube more accurate.

[0019] 4. In the second embodiment, the split channel is provided, and the endoscope, the suction device and other devices are integrated on the split channel, so that the bipolar forceps has more surgical functions. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the adjustable bipolar forceps.

[0021] Figure 2 is an exploded view of an adjustable bipolar coagulation forceps;

[0022] Figure 3 is Figure 2 is a partial schematic view of the embodiment 1;

[0023] Figure 4 is a schematic view of the relationship between the adjusting screw and the bipolar outer tube push block;

[0024] Figure 5 is an exploded view of the internal structure of the bipolar outer tube;

[0025] Figure 6 is a schematic view of the relationship between the adjusting screw and the fixed block;

[0026] Figure 7 is a schematic view of the overall embodiment 2 bipolar coagulation forceps;

[0027] Figure 8 is a partial exploded view of the embodiment 2 bipolar coagulation forceps;

[0028] Figure 9 is a schematic view of the opening of the split first housing and the split second housing.

[0029] The reference signs are as follows: 1 - housing; 2 - bipolar outer tube; 3 - bipolar forceps; 4 - bipolar inner core; 5 - bipolar positive and negative electrode wires; 6 - tail; 7 - upper cover; 8 - lower cover; 9 - sliding groove; 10 - adjusting assembly; 11 - adjusting screw; 12 - fixed block; 13 - spring; 14 - tube core pin; 15 - bipolar outer tube push block; 16 - bipolar forceps reinforcing rod; 17 - water pipe line; 18 - shielding piece; 19 - damping ring; 20 - handle; 21 - split passage; 22 - endoscope; 23 - suction device; 24 - split first housing; 25 - split second housing; 26 - suction device fixing sleeve; 27 - bipolar fixing sleeve; 28 - adjusting screw. Embodiment

[0030] The embodiments described herein are only for the purpose of illustration and explanation of the present application, and are not intended to limit the present application.

[0031] Embodiment 1, in combination with Figures 1-6The embodiment is illustrated, and the adjustable bipolar electrocoagulation forceps of the embodiment comprises a shell 1, a bipolar outer tube 2, a bipolar forceps 3, a bipolar inner core 4, bipolar positive and negative electrode wires 5, a tail 6, a part of the bipolar forceps 3 is arranged in the bipolar outer tube 2 and is extruded by the tube wall of the bipolar outer tube 2, the bipolar forceps 3 is installed in the bipolar inner core 4, the bipolar inner core 4 is installed in the bipolar outer tube 2, a part of the forceps tip of the bipolar forceps 3 protrudes from one side of the bipolar outer tube 2 and the bipolar inner core 4, one end of the bipolar outer tube 2 away from the forceps head of the bipolar forceps 3 is arranged in the inner cavity of the shell 1, the other end of the bipolar outer tube 2 close to the forceps head of the bipolar forceps 3 is arranged on one side outside the shell 1, the tail 6 is arranged on the other side outside the shell 1, the bipolar positive and negative electrode wires 5 are connected with the positive and negative poles of the bipolar forceps 3, the shell 1 is composed of an upper cover 7 and a lower cover 8, the upper cover 7 is provided with a sliding groove 9, the shell 1 is further provided with an adjusting assembly 10, the adjusting assembly 10 is composed of an adjusting screw 11, a fixed block 12, a spring 13, a tube core pin 14 and a bipolar outer tube push block 15, the tube core pin 14 penetrates through the bipolar inner core 4 and the bipolar outer tube 2, the bipolar outer tube push block 15 is connected with the bipolar outer tube 2 in a nested manner through the tube core pin 14, the spring 13 is sleeved on the bipolar outer tube 2 and is in contact with the bipolar outer tube 2, the fixed block 12 is installed on the bipolar forceps 3 and is arranged in the shell 1, and the adjusting screw 11 penetrates through the sliding groove 9, the fixed block 12 and is in contact with the bipolar outer tube push block 15.

[0032] In the embodiment, the rod part of the adjusting screw 11 is provided in a circular truncated cone shape and the side surface of the rod part is provided with threads, the contact position of the sliding groove 9, the fixed block 12 and the adjusting screw 11 is also provided in a circular truncated cone shape matched with the rod part of the adjusting screw 11 and is provided with matched threads.

[0033] In the embodiment, the bipolar forceps 3 is connected with the bipolar inner core 4 in a non-fixed manner, and the bipolar forceps 3 can rotate in the bipolar inner core 4.

[0034] In the embodiment, the bipolar forceps 3 is connected with the bipolar inner core 4 in a non-fixed manner, and the bipolar forceps 3 can rotate in the bipolar inner core 4.

[0035] In the embodiment, the sliding groove 9 is provided with a detachable shielding piece 18.

[0036] In the embodiment, the bipolar outer tube 2 is provided with a damping ring 19 outside.

[0037] In the embodiment, the tail 6 is provided with a handle 20, and the handle 20 is fixedly connected with the shell 1.

[0038] In use, by sliding the adjusting screw 11 in the sliding groove 9, the bipolar outer tube 2, the bipolar forceps 3 and the bipolar inner core 4 are driven to extend or retract as a whole, so as to adjust the distance of the bipolar forceps 3 extending out of the shell 1. Since the rod part of the adjusting screw 11 is provided in a circular truncated cone shape and is provided with threads, the adjusting screw 11 is rotated clockwise, the adjusting screw 11 moves downward, the bipolar outer tube push block 15 is pushed to drive the bipolar outer tube 2 to move forward, the end part of the bipolar outer tube 2 extrudes the bipolar forceps 3, so that the forceps head of the bipolar forceps 3 is close to the center; the adjusting screw 11 is rotated counterclockwise, under the action of the spring 13 at the front end of the bipolar outer tube push block 15, the bipolar outer tube push block 15 is pushed backward, driving the bipolar outer tube 2 to reset, so that the forceps head of the bipolar forceps 3 is opened. Since the damping ring 17 is sleeved on the bipolar outer tube 2, under the action of the damping ring 17, the bipolar outer tube 2 has a certain damping effect in the moving process, so as to prevent the bipolar outer tube 2 from moving too fast through the adjusting screw 11, thereby improving the accuracy of adjusting the bipolar outer tube 2. Since the water pipe line 17 is further arranged in the bipolar outer tube 2, water can be sprayed to the condensation position when needed, so that the condensation position is clearly exposed. After use, the shielding piece 18 can be pushed to shield the sliding groove 9, so as to play a dustproof role.

[0039] Embodiment 2, in combination Figures 7-9 is described. Compared with embodiment 1, in embodiment 2, the tail part 6 no longer is provided with the handle 20, but the tail part 6 includes a split channel 21, an endoscope 22 and a suction device 23, the split channel 21 includes a split first shell 24 and a split second shell 25, the split first shell 24 is fixedly connected with the split second shell 25, the split first shell 24 is provided with a suction device fixing sleeve 26, the split second shell 25 is provided with a bipolar fixing sleeve 27, the suction device 23 is connected with the split first shell 24 through the suction device fixing sleeve 26, the bipolar outer tube push block 15 is connected with the split second shell 25 through the bipolar fixing sleeve 27, and the endoscope 22 is arranged in the inner cavity space formed by the split first shell 24 and the split second shell 25.

[0040] Among them, the split first shell 24 and the split second shell 25 are connected through an adjusting screw 28.

[0041] In use, the bipolar electrocoagulation forceps of embodiment 2 can be used as a coagulation instrument, and the endoscope 22 and the suction device 23 in the split channel 21 can be used in the same operation process, so as to avoid replacing other instruments and improve the smoothness of the operation.

[0042] In the description of the present application, it should be further explained that, unless otherwise explicitly specified and limited, the terms “provided” and “connected” should be understood in a broad sense.

[0043] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features thereof. 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. An adjustable bipolar electrocoagulation forceps, comprising a shell (1), a bipolar outer tube (2), a bipolar forceps (3), a bipolar inner core (4), a bipolar positive and negative electrode wire (5), a tail (6), a part of the bipolar forceps (3) is arranged in the bipolar outer tube (2) and is extruded by the tube wall of the bipolar outer tube (2), the bipolar forceps (3) is installed in the bipolar inner core (4), the bipolar inner core (4) is installed in the bipolar outer tube (2), the forceps tip part of the bipolar forceps (3) protrudes from one side of the bipolar outer tube (2) and the bipolar inner core (4), the end of the bipolar outer tube (2) away from the forceps head of the bipolar forceps (3) is arranged in the inner cavity of the shell (1), the other end of the bipolar outer tube (2) close to the forceps head of the bipolar forceps (3) is arranged outside the shell (1) on one side, the tail (6) is arranged outside the shell (1) on the other side, the bipolar positive and negative electrode wire (5) is connected with the positive and negative poles of the bipolar forceps (3), characterized in that: The shell (1) is composed of an upper cover (7) and a lower cover (8), the upper cover (7) is provided with a sliding groove (9), the shell (1) is further provided with an adjusting assembly (10), the adjusting assembly (10) is composed of an adjusting screw (11), a fixed block (12), a spring (13), a tube core pin (14) and a bipolar outer tube push block (15), the tube core pin (14) penetrates the bipolar inner core (4) and the bipolar outer tube (2), the bipolar outer tube push block (15) is connected with the bipolar outer tube (2) in a nested manner through the tube core pin (14), the spring (13) is sleeved on the bipolar outer tube (2) and is in contact with the bipolar outer tube (2), the fixed block (12) is installed on the bipolar forceps (3) and is arranged in the shell (1), the adjusting screw (11) penetrates the sliding groove (9), the fixed block (12) and is in contact with the bipolar outer tube push block (15).

2. An adjustable bipolar coagulation forceps according to claim 1, wherein: The rod part of the adjusting screw (11) is provided in a circular truncated cone shape and the side surface of the rod part is provided with threads, the contact parts of the sliding groove (9), the fixed block (12) and the adjusting screw (11) are also provided in a circular truncated cone shape matching the rod part of the adjusting screw (11) and are provided with matching threads.

3. An adjustable bipolar coagulation forceps according to claim 2, wherein: The bipolar forceps (3) are connected with the bipolar inner core (4) in a non-fixed manner, the bipolar forceps (3) can rotate in the bipolar inner core (4).

4. An adjustable bipolar coagulation forceps according to claim 3, wherein: Further comprising a bipolar forceps reinforcing rod (16) and a water pipe line (17), the bipolar forceps reinforcing rod (16) is fixed with the bipolar inner core (4) and the bipolar outer tube (2) through the tube core pin (14), the bipolar forceps reinforcing rod (16) is in contact with the bipolar forceps (3), the water pipe line (17) penetrates the bipolar outer tube (2) and the water outlet end of the water pipe line (17) is arranged outside the bipolar outer tube (2).

5. An adjustable bipolar coagulation forceps according to claim 4, wherein: A detachable shielding piece (18) is arranged on the sliding groove (9).

6. An adjustable bipolar coagulation forceps according to claim 5, wherein: A damping ring (19) is arranged outside the bipolar outer tube (2).

7. An adjustable bipolar coagulation forceps according to claim 6, wherein: The tail part (6) is provided with a handle (20), the handle (20) is fixedly connected with the shell (1).

8. An adjustable bipolar coagulation forceps according to any one of claims 1-7, characterized in that: The tail part (6) comprises a split channel (21), an endoscope (22) and a suction device (23), the split channel (21) comprises a split first shell (24) and a split second shell (25), the split first shell (24) is fixedly connected with the split second shell (25), the split first shell (24) is provided with a suction device fixing sleeve (26), the split second shell (25) is provided with a bipolar fixing sleeve (27), the suction device (23) is connected with the split first shell (24) through the suction device fixing sleeve (26), the bipolar outer tube push block (15) is connected with the split second shell (25) through the bipolar fixing sleeve (27), and the endoscope (22) is arranged in the inner cavity space formed by the split first shell (24) and the split second shell (25).

9. An adjustable bipolar coagulation forceps according to claim 8, wherein: The split first shell (24) and the split second shell (25) are connected through an adjusting screw (28).

Images