A bidirectional endoscopic gripper
By employing a first spring rod and chuck bolt structure in the endoscopic bidirectional grasping forceps, the problems of unstable clamping and insufficient adaptability of the forceps body are solved, achieving stable closure of the forceps head and convenient replacement of the forceps body, thus improving surgical safety and applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE FIRST AFFILIATED HOSPITAL OF ANHUI MEDICAL UNIV
- Filing Date
- 2025-01-22
- Publication Date
- 2026-06-30
AI Technical Summary
Existing endoscopic bidirectional grasping forceps are prone to opening due to hand tremors when grasping large perforations in the gastrointestinal tract, which may cause objects to fall in, and they are difficult to adapt to the needs of forceps of different sizes.
The clamp body is removable and replaceable by employing a first spring rod structure and a double fixing method of a first chuck and a first bolt.
It improves the safety of surgery and the versatility of the device, avoids the risk of accidental opening of the forceps head, and facilitates the use of forceps bodies of different sizes.
Smart Images

Figure CN224421091U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, specifically to a bidirectional endoscopic grasping forceps. Background Technology
[0002] Sudden onset of severe abdominal pain is the initial, most frequent, and most important symptom of gastric perforation. The pain initially begins in the upper abdomen or at the site of perforation, often described as a stabbing or burning pain, and is generally continuous, but can also worsen intermittently. The pain quickly spreads to the entire abdomen and may radiate to the shoulder as a stabbing or aching sensation. Gastrointestinal perforation is a common surgical emergency in clinical practice.
[0003] A Chinese patent discloses a bidirectional gripping forceps for digestive endoscopy (authorization announcement number CN 213430410 U). This patented technology can solve the problem that current endoscopic techniques face difficulties in clamping and closing the two ends of some large perforations in the gastrointestinal tract using existing clamps.
[0004] If the surgeon's hand shakes during the removal of an item when the clamp closes, the clamp may open, and the item may fall back in, increasing the risk of the surgery. This also addresses the issue of inadequate locking when the clamp closes. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a bidirectional endoscopic gripper, including a sleeve and a gripper body. A sliding plate is installed on the inner side wall of the sleeve through a sliding fit. An adjusting rod is installed on the upper end face of the sliding plate. A master rod is symmetrically installed on the bottom of the sliding plate through a pin. A pin is installed at the bottom of the master rod. The gripper body is installed at the bottom of the pin. A first slider is symmetrically installed on the upper end face of the sleeve. A master seat is installed on the upper end face of the first slider through a sliding fit. A first collar is symmetrically installed on the upper end face of the master seat. A first spring rod is installed on the inner end of the first collar. The first spring rod is inserted into the outer side wall of the adjusting rod. A limiting plate is arranged inside the master seat. A connecting rod is installed on the upper end face of the limiting plate. The connecting rod is connected to the first collar through a sliding fit. A first square hole is opened on the upper end face of the master seat.
[0006] Preferably, a second ring is installed on the left and right sides of the bottom of the upper seat, and a second spring rod is installed on the inner end of the second ring, which is inserted into the outer wall of the slide plate.
[0007] Preferably, the bottom of the pin shaft is engaged with the upper end face of the clamp body by a first clamp, a base frame is symmetrically installed at the bottom of the sleeve, the base frame is connected to the clamp body by a first bolt, and through holes are symmetrically opened on the outer side wall of the sleeve, the width of the through holes being greater than the width of the upper rod.
[0008] The technical effects and advantages of this utility model are as follows:
[0009] 1. The present invention employs a first spring rod structure to ensure that the forceps head is in a closed state, thereby preventing the forceps head from accidentally opening when removing items and causing surgical failure, thus improving the safety of the surgery.
[0010] 2. This utility model adopts a double fixing method of first clamp head and first bolt, which ensures stability and facilitates the disassembly and replacement of the clamp body. It can be used for clamp bodies of different specifications, thus improving the versatility of the device. Attached Figure Description
[0011] Figure 1 This is a front view of an endoscopic bidirectional gripper structure provided in an embodiment of this application;
[0012] Figure 2 This is a cross-sectional left view of an endoscopic bidirectional grasping forceps provided in an embodiment of this application;
[0013] Figure 3 This is a cross-sectional front view of an endoscopic bidirectional grasping forceps provided in an embodiment of this application;
[0014] Figure 4 This application provides a bidirectional endoscopic gripper. Figure 3 A magnified view of a portion of region A in the middle;
[0015] Figure 5 This application provides a bidirectional endoscopic gripper. Figure 3 A magnified view of a portion of region B in the middle;
[0016] In the diagram: 1. Sleeve; 2. Clamp body; 11. Slide plate; 12. Adjusting rod; 13. Upper rod; 14. Upper seat; 15. First collar; 16. First spring rod; 17. Second collar; 18. Second spring rod; 19. First chuck; 21. First bolt; 22. Limiting plate; 23. Connecting rod. Detailed Implementation
[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.
[0018] Please see Figures 1-5This embodiment provides a bidirectional endoscopic gripper, including a sleeve 1 and a gripper body 2. A sliding plate 11 is mounted on the inner wall of the sleeve 1 via a sliding fit. An adjusting rod 12 is mounted on the upper surface of the sliding plate 11. A superior rod 13 is symmetrically mounted on the bottom of the sliding plate 11 via a pin. A pin is mounted on the bottom of the superior rod 13, and the gripper body 2 is mounted on the bottom of the pin. A first slider is symmetrically mounted on the upper surface of the sleeve 1. A superior seat 14 is mounted on the upper surface of the first slider via a sliding fit. A first collar 15 is symmetrically mounted on the upper surface of the superior seat 14. A first spring rod 16 is mounted on the inner end of the first collar 15 and is inserted into the outer wall of the adjusting rod 12. A limiting plate 22 is arranged inside the superior seat 14, and a [missing information - likely a device or component] is mounted on the upper surface of the limiting plate 22. The connecting rod 23 is connected to the first collar 15 by a sliding fit. The upper end face of the upper seat 14 has a first square hole. During operation, the connecting rod 23 is moved upward, causing the limiting plate 22 to move upward, thereby opening the first collar 15 outward. Under the action of the digestive endoscope, the adjusting rod 12 is moved downward, causing the upper rod 13 to rotate outward, thereby driving the rod-shaped part of the forceps 2 to move outward, opening the forceps head part of the forceps 2. When the adjusting rod 12 is moved upward, the forceps 2 closes, making it easier to grasp items inside the patient's body. The first spring rod 16 is inserted and fixed to the adjusting rod 12, thereby ensuring that the forceps head of the forceps 2 is in a closed state, avoiding accidental opening of the forceps head when removing items, which could lead to surgical failure and improve the safety of the operation.
[0019] The upper seat 14 has a second collar 17 installed on the left and right sides at the bottom. A second spring rod 18 is installed on the inner end of the second collar 17. The second spring rod 18 is inserted into the outer wall of the slide plate 11. During operation, the second spring rod 18 is inserted into the slide plate 11 to further ensure that the clamp head is in a closed state and to ensure the safety of operation.
[0020] The bottom of the pin shaft is engaged with the upper end face of the clamp body 2 by a first chuck 19. A base frame is symmetrically installed at the bottom of the sleeve 1. The base frame is connected to the clamp body 2 by a first bolt 21. Through holes are symmetrically opened on the outer side wall of the sleeve 1. The width of the through holes is greater than the width of the upper rod 13. During operation, the first bolt 21 is removed and the clamp body 2 is pulled out, which facilitates the disassembly and replacement of the clamp body 2. It can be used for clamp bodies 2 of different specifications, which improves the versatility of the device.
[0021] In practice, the connecting rod 23 is moved upward, causing the limiting plate 22 to move upward, thereby opening the first ring 15 outward. Under the action of the digestive endoscope, the adjusting rod 12 is moved downward, causing the upper rod 13 to rotate outward, which in turn drives the rod-shaped part of the forceps 2 to move outward, opening the forceps head part of the forceps 2. When the adjusting rod 12 is moved upward, the forceps 2 closes, making it easier to grasp items inside the patient's body. The first spring rod 16 is inserted and fixed to the adjusting rod 12, thereby ensuring that the forceps head of the forceps 2 is in a closed state, avoiding accidental opening of the forceps head when removing items, which could lead to surgical failure and improve the safety of the operation.
[0022] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.
Claims
1. A bidirectional endoscopic grasping forceps comprising a sleeve (1) and a forceps body (2), characterized in that, The inner wall of the sleeve (1) is fitted with a sliding plate (11) by means of sliding fit. An adjusting rod (12) is installed on the upper end face of the sliding plate (11). A top rod (13) is symmetrically installed on the bottom of the sliding plate (11) by means of a pin. A pin is installed on the bottom of the top rod (13). A clamp body (2) is installed on the bottom of the pin. A first slider is symmetrically installed on the upper end face of the sleeve (1). A top seat (14) is installed on the upper end face of the first slider by means of sliding fit. A first collar (15) is symmetrically installed on the upper end face of the top seat (14). A first spring rod (16) is installed on the inner end of the first collar (15). The first spring rod (16) is inserted into the outer wall of the adjusting rod (12).
2. The dual-direction grasping forceps according to claim 1, wherein The upper seat (14) is equipped with a second ring (17) on the left and right sides at the bottom. A second spring rod (18) is installed on the inner end of the second ring (17). The second spring rod (18) is inserted into the outer wall of the slide plate (11).
3. The endoscopic bidirectional gripping forceps according to claim 1, characterized in that, The bottom of the pin is engaged with the upper end face of the clamp body (2) by the first clamp head (19).
4. The dual-direction grasping forceps according to claim 1, wherein, The sleeve (1) has a base frame installed symmetrically at the front and back of the bottom, and the base frame is connected to the clamp body (2) by the first bolt (21).
5. The dual-direction grasping forceps according to claim 4, wherein, The sleeve (1) has symmetrical through holes on the outer side wall, and the width of the through holes is greater than the width of the upper rod (13).
6. The dual-direction grasping forceps according to claim 1, wherein The upper seat (14) is provided with a limiting plate (22), and a connecting rod (23) is installed on the upper end face of the limiting plate (22). The connecting rod (23) is connected to the first collar (15) by a sliding fit. The upper end face of the upper seat (14) is provided with a first square hole.
Citation Information
Patent Citations
Bidirectional grasping forceps for digestive endoscope
CN213430410U