Bent tissue noninvasive grasping forceps for subclavian approach endoscopic surgery

By designing a non-invasive grasping forceps for laparoscopic surgery via the subclavian approach, the problem of damage to blood vessels and nerves caused by grasping forceps in minimally invasive thyroid surgery has been solved. This achieves non-invasive grasping and convenient cleaning, and is adaptable to different surgical environments.

CN224039269UActive Publication Date: 2026-03-27SUN YAT SEN MEMORIAL HOSPITAL SUN YAT SEN UNIV +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In minimally invasive thyroid surgery, existing grasping forceps can easily cause trauma to patients, especially in subclavian laparoscopic surgery, where damage to blood vessels and nerves is difficult to avoid.

Method used

A non-invasive tissue grasping forceps for subclavian laparoscopic surgery was designed, including a replaceable non-invasive tissue grasping forceps head, inner rod, outer rod, rotating wheel, forceps rod disassembly device and handle. The forceps head has a smooth surface with bite marks and a retrieval groove. The forceps rod can rotate 360° and the handle is detachable to adapt to different surgical environments.

Benefits of technology

It reduces trauma to blood vessels and nerves during minimally invasive thyroid surgery, improves the grasping range and ease of cleaning and disinfection, has a reasonable structure, and is easy to use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224039269U_ABST
    Figure CN224039269U_ABST
Patent Text Reader

Abstract

The utility model discloses curved tissue non-invasive grasping forceps for subclavian approach endoscopic surgery. The curved tissue non-invasive grasping forceps comprise a curved tissue non-invasive forceps head, an inner rod, an outer rod, a rotating wheel, a forceps rod dismounting device and a handle. The bent tissue noninvasive forceps head is mounted at the front ends of the inner rod and the outer rod, a forceps head rear end clamping block is fixed at the front end of the outer rod, and the inner rod is hinged inside; after the outer rod is inserted, the inner portion of the outer rod is clamped into the rotary clamping groove to be fixed. The front end of the handle is provided with the rotating wheel, the upper end is provided with the electrode contact and the forceps rod dismounting device, the fixed handle is connected with the outer rod, and the flushing contact is sleeved in front of the rotating wheel. The surgical forceps are reasonable in structure and easy to use, the surfaces of the forceps heads are subjected to smooth treatment, so that the forceps heads are not prone to being scratched when making contact with blood vessels and nerves, the occlusion positions of the forceps heads are provided with occlusion lines and object taking grooves, grabbing is facilitated, the forceps heads are bent, the forceps rods can rotate by 360 degrees, the grabbing range is enlarged, the handles are provided with detaching devices, appropriate forceps head accessories can be flexibly detached according to surgical conditions, and the surgical forceps are convenient to use. Meanwhile, cleaning and disinfection are more thorough.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially for a subclavian approach endoscope surgery bend tissue non -invasive grab forceps. BACKGROUND

[0002] In the minimally invasive thyroid surgery, need opening in the clavicle, the separating forceps is cooperated with the endoscope from the subclavian approach and carries out the surgery, because there are more blood vessels, nerves around the thyroid gland, only need slight clamping, oppression, draw through etc. action in the surgical process, it is easy to bleed, causes the trauma to the patient, therefore, the grab forceps needed in the surgery need certain precision and the forceps head that does not easily cause other tissue trauma.

[0003] Therefore, the utility model provides a subclavian approach endoscope surgery bend tissue non -invasive grab forceps to solve above -mentioned problem. UTILITY MODEL CONTENTS

[0004] In view of the prior art's insufficient, the utility model provides a subclavian approach endoscope surgery bend tissue non -invasive grab forceps, solves above -mentioned problem.

[0005] To realize above -mentioned purpose, the utility model is realized through following technical scheme: a subclavian approach endoscope surgery bend tissue non -invasive grab forceps, its characterized in that, include: replaceable bend tissue non -invasive forceps head, inner rod, outer rod, rotating wheel, forceps rod dismounting device and handle.

[0006] Bend tissue non -invasive forceps head, install in the front end of inner rod and outer rod, forceps head rear end block fixed in the front end of outer rod, inside articulate inner rod, forceps head front end bends upwards, the outer surface of forceps head has been handled roundly, does not have sharp end, clamping surface is equipped with bite mark, the middle of forceps head is equipped with arc-shaped object slot;

[0007] Inner rod, rear end is equipped with ball head, connects handle, inner rod is wrapped by outer rod, front end articulate forceps head;

[0008] Outer rod, install in the front end of handle, outer rod divides into rod body and connecting rod, rod body is welded with connecting rod, internal passage is communicated, rod body front end inner wall is equipped with forceps head slot, connecting rod is ladder type, is equipped with rotating slot and outer rod fixed slot, rotating slot is inserted into rotating wheel, and outer rod fixed slot is inserted into forceps rod dismounting device;

[0009] Rotating wheel, install in the front end of handle, after outer rod is inserted, inside is inserted into rotating slot and is fixed;

[0010] Handle, handle is articulated to constitute by the aid of pin with operating handle and fixed handle, operating handle and fixed handle are equipped with pin hole in the middle, handle front end installs rotating wheel, upper end is equipped with electrode connector and installs forceps rod dismounting device, operating handle connects the ball head of inner rod, is connected with inner rod, fixed handle connects outer rod, and is in rotating wheel front sleeve joint flush connector.

[0011] Preferably, the curved tissue non-invasive forceps head hinged inner rod is inserted into the outer rod after the outer rod is inserted, and the rear end of the curved tissue non-invasive forceps head is aligned with the forceps head clamping slot for insertion and fixation, thereby forming a forceps rod assembly.

[0012] Preferably, the forceps rod dismounting device is installed on the upper end of the handle and is deeply inserted into the handle, and the components thereof include a button cap, a clamping core and a spring, the button cap is installed above the clamping core and is also a component outside the handle, the clamping core is deeply inserted into the handle and is installed in the forceps rod channel, the spring is installed below the clamping core, and the clamping core is provided with a penetrating circular clamping hole.

[0013] Preferably, the rear end of the operating handle is provided with a protruding limiting block, a recessed limiting groove is formed in the rear end of the fixed handle along the handle edge, and the limiting block is clamped in the limiting groove after the operating handle and the fixed handle are hinged through a pin, thereby preventing the operating handle from being excessively swung upward.

[0014] Preferably, the curved tissue non-invasive forceps head is provided with replaceable forceps head accessories, the forceps head accessories are forceps heads and inner rods with different bending radii, and the forceps head accessories are convenient for quick replacement and coping with different surgical environments.

[0015] The utility model provides a kind of subclavian approach endoscopic surgery curved tissue non-invasive grab forceps.Compared with prior art, it has the following beneficial effects: reasonable structure, simple to use, the surface of the forceps head is smoothly treated, so it is not easy to scratch when it contacts blood vessels and nerves, the forceps head occlusion is provided with bite mark and object slot, which is beneficial to grab, the forceps head is curved, the forceps rod can rotate 360 degrees, which expands the range of grabbing, the handle is provided with a dismounting device, which can flexibly dismount and mount suitable forceps head accessories according to the surgical condition, and the cleaning and disinfection is more thorough. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the forceps rod assembly schematic diagram of the utility model;

[0018] Figure 3 It is the handle schematic diagram of the utility model;

[0019] Figure 4 It is the forceps rod dismounting device schematic diagram of the utility model Figure 1 ;

[0020] Figure 5 It is the forceps rod dismounting device schematic diagram of the utility model Figure 2 ;

[0021] Figure 6 It is the forceps head accessory schematic diagram of the utility model.

[0022] In the figure: 1 is a curved tissue non-invasive forceps head, 1-1 is a material groove, 1-2 is a bite mark, 2 is an inner rod, 2-1 is a ball head, 3 is an outer rod, 3-1 is a connecting rod, 3-2 is a rod body, 3-3 is a rotating clamping groove, 3-4 is an outer rod fixing groove, 3-5 is a forceps head clamping groove, 4 is a rotating wheel, 5 is a forceps rod dismounting device, 5-1 is a button cap, 5-2 is a clamping core, 5-3 is a spring, 5-4 is a clamping hole, 6 is an electrode connector, 7 is a pin, 8 is a handle, 8-1 is an operating handle, 8-2 is a fixed handle, 8-3 is a limiting block, 8-4 is a limiting groove, 9 is a pin hole, and 10 is a flushing connector. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5 A clavicular approach endoscopic surgery curved tissue non-invasive grabbing forceps, the curved tissue non-invasive forceps head 1 is installed at the front end of the inner rod 2 and the outer rod 3, the forceps head rear end clamping block is fixed at the front end of the outer rod 3, the inner rod 2 is hinged, the forceps head front end is curved upward, the clamping surface is provided with the bite mark 1-2, the forceps head middle is provided with the arc-shaped material groove 1-1;The inner rod 2 rear end is provided with the ball head 2-1 connecting handle 8, the inner rod 2 is wrapped by the outer rod 3, the front end is hinged with the forceps head;The outer rod 3 is installed at the front end of the handle 8, the rod body 3-1 is welded with the connecting rod 3-2, the internal passage is communicated, the rod body 1-1 front end inner wall is provided with the forceps head clamping groove 3-5, the connecting rod 3-2 is ladder type, is provided with the rotating clamping groove 3-3 and the outer rod fixing groove 3-4, the rotating clamping groove 3-3 is clamped into the rotating wheel 4, the outer rod 3 fixed clamping groove is clamped into the forceps rod dismounting device 5;The rotating wheel 4 is installed at the front end of the handle 8, after the outer rod 3 is inserted, it is clamped into the rotating clamping groove 3-3 inside;The forceps rod dismounting device 5 is installed at the upper end of the handle 8, the component is deeply into the handle 8 inside, the component button cap 5-1 is installed above the clamping core 5-2, it is also the component outside the handle 8, the clamping core 5-2 is deeply into the handle 8 inside, is installed in the forceps rod channel, the clamping core 5-2 below is provided with the spring 5-3, the clamping core 5-2 is provided with the circular clamping hole 5-4 that penetrates;The handle 8 is hinged by the pin 7 and is formed by the operating handle 8-1 and the fixed handle 8-2, the operating handle 8-1 and the fixed handle 8-2 middle are provided with the pin hole 9, the handle 8 front end installs the rotating wheel 4, the upper end is provided with the electrode connector 6 and installs the forceps rod dismounting device 5, the operating handle 8-1 connects the ball head 2-1 of the inner rod 2, is connected with the inner rod 2, the fixed handle 8-2 connects the outer rod 3, and is provided with the flushing connector 10 in the rotating wheel 4 front sleeve joint;

[0025] Furthermore, after the inner rod 2 is hinged to the curved tissue non-invasive forceps head 1, the outer rod 3 is inserted. The rear end of the curved tissue non-invasive forceps head 1 is aligned with the forceps head slot 3-5 and inserted for fixation, forming the forceps rod assembly.

[0026] like Figures 4-5 As shown, the installation process of the clamp bar removal device is as follows: First, the spring 5-3 is installed at the lower end of the clamp core 5-2. The clamp core 5-2 is in the shape of an inverted 7. The clamp core 5-2 and the spring 5-3 are sent into the handle 8 together, so that the spring 5-3 contacts the inner wall of the spring 5-3. The clamp core 5-2 is locked in the clamp bar channel position, and the locking slot 5-4 is aligned with the clamp bar channel. Finally, the button cap 5-1 is placed on the upper end of the clamp core 5-2.

[0027] Furthermore, the operating handle 8-1 has a protruding limiting block 8-3 at its rear end, and the fixed handle 8-2 has a recessed limiting groove 8-4 along its edge at its rear end. After the operating handle 8-1 and the fixed handle 8-2 are hinged together by the pin 7, the limiting block 8-3 rests in the limiting groove 8-4 to prevent the operating handle 8-1 from swinging upwards excessively.

[0028] like Figure 6 As shown, the non-invasive forceps 1 for curved tissue is equipped with easily replaceable forceps accessories, which are forceps heads and inner rods 2 with different curvatures, namely 70 degrees, 68 degrees and 55 degrees.

[0029] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0030] Working principle: The curved tissue non-invasive forceps head is installed at the front end of the inner and outer rods. The rear end of the forceps head is fixed to the front end of the outer rod, and the inner rod is internally hinged. The rear end of the inner rod has a ball head that connects to the handle. The inner rod is wrapped by the outer rod. The outer rod is installed at the front end of the handle. The rotating wheel is installed at the front end of the handle. After the outer rod is inserted, it is fixed by a rotating groove. The forceps removal device is installed at the upper end of the handle. The components are: a button cap, a retaining core, and a spring. The button cap is installed above the retaining core and is also an external component of the handle. The retaining core is installed inside the handle and is installed in the forceps channel. A spring is installed below the retaining core. The retaining core has a through circular slot. The handle consists of an operating handle and a fixing handle hinged by a pin. The rotating wheel is installed at the front end of the handle. The upper end has an electrode connector and a forceps removal device. The operating handle connects to the ball head of the inner rod and is connected to the inner rod. The fixing handle connects to the outer rod and is fitted with a flushing connector in front of the rotating wheel. This utility model has a reasonable structure and is easy to use. The surface of the forceps head is rounded to prevent scratching when it comes into contact with blood vessels and nerves. The forceps head has bite marks and picking grooves at the biting point to facilitate gripping. The forceps head is flexible and the forceps bar can rotate 360° to expand the gripping range. The handle is equipped with a disassembly device, which can flexibly disassemble and assemble appropriate forceps head accessories according to the surgical situation, and at the same time, cleaning and disinfection are more thorough.

[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A subclavian approach endoscopic surgery curved tissue non-invasive grabbing forceps, characterized in that, The utility model relates to a kind of bending tissue non-invasive forceps head (1), inner rod (2), outer rod (3), rotating wheel (4), forceps rod dismounting device (5) and handle (8) comprising: Bending tissue non-invasive forceps head (1), install in the front end of inner rod (2) and outer rod (3), forceps head rear end block fixed in the front end of outer rod (3), inside articulated inner rod (2), forceps head front end bends upwards and forceps head outer surface is round smooth shape, clamping surface is equipped with bite mark (1-2), forceps head middle is equipped with arc-shaped object slot (1-1); Inner rod (2), rear end is equipped with ball head (2-1), connect handle (8), inner rod (2) is wrapped by outer rod (3), front end articulates forceps head; Outer rod (3), install in the front end of handle (8), outer rod (3) is divided into rod body (3-1) and connecting rod (3-2), rod body (3-1) is welded with connecting rod (3-2), internal passage is communicated, rod body (3-1) front end inner wall is equipped with forceps head clamping groove (3-5), connecting rod (3-2) is ladder type, is equipped with rotating clamping groove (3-3) and outer rod fixed groove (3-4), rotating clamping groove (3-3) is inserted into rotating wheel (4), outer rod (3) fixed clamping groove is inserted into forceps rod dismounting device (5); Rotating wheel (4), install in the front end of handle (8), after outer rod (3) is inserted, inside is inserted into rotating clamping groove (3-3) fixed; Handle (8), handle (8) is articulated by means of pin (7) to be formed by operating handle (8-1) and fixed handle (8-2), operating handle (8-1) and fixed handle (8-2) middle are equipped with pin hole (9), handle (8) front end installs rotating wheel (4), upper end is equipped with electrode connector (6) and installs forceps rod dismounting device (5), operating handle (8-1) connects the ball head (2-1) of inner rod (2), is connected with inner rod (2), fixed handle (8-2) connects outer rod (3), and before rotating wheel (4) sleeve joint flush connector (10). The bending tissue non-invasive forceps head (1) articulated inner rod (2) is inserted into outer rod (3), and the rear end of the bending tissue non-invasive forceps head (1) is inserted into the forceps head clamping groove (3-5) to be fixed, forming a forceps rod assembly.

2. The subclavian approach endoscopic surgery curved tissue noninvasive grabbing forceps according to claim 1, characterized in that, The forceps rod dismounting device (5) is installed on the upper end of the handle (8), and the components are deeply inserted into the inner handle (8), which includes: button cap (5-1), clamping core (5-2) and spring (5-3), the button cap (5-1) is installed above the clamping core (5-2), which is also a component outside the handle (8), the clamping core (5-2) is deeply inserted into the inner handle (8) and installed in the forceps rod channel, the clamping core (5-2) is equipped with a through circular clamping hole (5-4) below.

3. The subclavian approach endoscopic surgery curved tissue noninvasive grabbing forceps according to claim 2, characterized in that, The rear end of the operating handle (8-1) is provided with a protruding limiting block (8-3), and the rear end of the fixed handle (8-2) is provided with a recessed limiting groove (8-4) along the handle edge, after the operating handle (8-1) and the fixed handle (8-2) are articulated by the pin (7), the limiting block (8-3) is lapped in the limiting groove (8-4), to prevent the operating handle (8-1) from being excessively swung upwards.

4. The subclavian approach endoscopic surgery curved tissue noninvasive grabbing forceps according to claim 3, characterized in that, The bending tissue non-invasive forceps head (1) is provided with a forceps head accessory for easy replacement, and the forceps head accessory is a forceps head with different bending radii and inner rod (2).

5. The subclavian approach endoscopic surgery curved tissue noninvasive grabbing forceps according to claim 4, characterized in that, ​