Hemostatic clamp
By using the mating boss at the tail of the clip to abut against the clamp seat blocking platform and the design of breaking the connecting wire's fracture wall, the problem of misoperation caused by the release and detachment function of the hemostatic clip head is solved, and the stable clamping and independent release of the hemostatic clip are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANREI MEDICAL HZ
- Filing Date
- 2024-12-23
- Publication Date
- 2026-04-21
AI Technical Summary
The existing hemostatic clips, after clamping the diseased tissue, are prone to misoperation due to the release function of the clip head, which affects the clamping control.
The clamping plate is closed and locked by the engagement of the mating boss at the tail of the clamping plate and the blocking platform on the clamping seat; the connecting wire is disconnected from the clamping plate by breaking the fracture wall and making the connecting hole connected to the outside space.
The locking of the clamp after closure and the disengagement of the connecting wire are achieved independently, avoiding misoperation and ensuring stable release of the hemostatic clamp head.
Smart Images
Figure CN224140871U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hemostatic clip technology, specifically to a hemostatic clip. Background Technology
[0002] With the development of endoscopic technology and other related technologies, endoscopic hemostasis has become the preferred treatment method for gastrointestinal bleeding. Commonly used endoscopic hemostasis methods include laser coagulation, electrocoagulation, local injection of hemostatic agents, drug spraying, and suture clipping. Among these, suture clipping has become the most effective and clinically valuable non-surgical treatment for gastrointestinal bleeding due to its minimal invasiveness, rapid hemostasis, low rebleeding rate, few complications, and definite efficacy.
[0003] During the application of hemostatic clips, the head of the clip needs to remain inside the body after fully clamping the diseased tissue, without leaving the body with the rest of the clip, in order to maintain the hemostatic effect on the wound. Therefore, the head of the clip needs to have a release function. However, the release function of the head of current hemostatic clips can affect the clamping control. It is possible that misoperation can occur when only the normal opening or closing of the clip head is required, resulting in the clip head being released and detached. Utility Model Content
[0004] To address the technical problems of existing hemostatic clips, this utility model provides a hemostatic clip that achieves closed locking of the clip by the abutting engagement between the mating boss at the tail of the clip and the blocking platform on the clamp seat; and by using the connecting wire to break the fracture wall, the connecting hole is made to communicate with the external space, thereby allowing the connecting wire to detach from the clip, which helps to release the head of the hemostatic clip.
[0005] The technical solution provided by this utility model is as follows: a hemostatic clamp, comprising a clamp base, a connecting wire, and two clamping plates; the two clamping plates intersect and are hinged to the clamp base at the intersection; each clamping plate is provided with a connecting hole located at the tail of the clamping plate, and a fracture wall is provided on the side of the connecting hole near the tail of the clamping plate; the connecting wire includes two connecting segments that pass through the clamp base, and each connecting segment has a hooking part at its end, which connects to the connecting hole and is used to break the fracture wall to allow the connecting hole to communicate with the external space; a mating boss is fixedly provided at the tail of the clamping plate near the connecting hole, and a blocking platform is provided on the clamp base, with two blocking platforms corresponding to the two clamping plates arranged centrally symmetrically on the clamp base; each blocking platform includes a limiting side and a check side, which are respectively used to abut against the mating boss.
[0006] Optionally, a fracture groove is provided on the fracture wall, the opening of the fracture groove is connected to the connecting hole, and the fracture groove gradually converges from the connecting hole toward the tail of the clip.
[0007] Optionally, the hook portion includes a first bent section and a second bent section, the first bent section and the connecting section have an angle between them, the second bent section and the first bent section have an angle between them, and the extension direction of the second bent section is consistent with the extension direction of the connecting section, and the first bent section passes through the connecting hole.
[0008] Optionally, the tail of the clip is provided with a clearance groove, and the connecting hole is located on the clearance groove, which is used to accommodate the second bent section.
[0009] Optionally, a first clearance groove and a second clearance groove are respectively provided on both sides of the blocking platform. The first clearance groove is located on the side where the limiting side of the blocking platform is located, and the second clearance groove is located on the side where the anti-return side of the blocking platform is located.
[0010] Optionally, the widths of the first clearance groove and the second clearance groove are equal, or the width of the first clearance groove is greater than the width of the second clearance groove.
[0011] Optionally, the clip includes a clamping arm, wherein for any one of the clips, the head end of the clamping arm is tilted toward the side where the clamping arm is located on the other clip.
[0012] Optionally, the clamp base and clamping plate are made of non-magnetic elastic material or non-magnetic absorbable material.
[0013] Optionally, it further includes a swivel seat, a first swivel, a second swivel, and a hook; the swivel seat is located on one side of the clamp seat, a limit block is fixedly provided on the swivel seat, the first swivel is located inside the swivel seat, and both ends of the first swivel abut against the limit block respectively; the outer wall of the second swivel is fixedly connected to the inner wall of the first swivel, an extension boss is fixedly provided on the second swivel, a first release hole is provided on the extension boss, a second release hole is provided on the clamp seat, and a claw is fixedly provided at the end of the hook, the claw passing through the first release hole and inserting into the second release hole.
[0014] Optionally, it also includes a handle, a sliding handle, a rotating wheel, a plastic-coated spring tube, and a spindle; the hook is provided with a through hole; the plastic-coated spring tube is sleeved on the outside of the spindle, one end of the plastic-coated spring tube is fixedly connected to the end of the handle, the other end of the plastic-coated spring tube is fixedly connected to the rotating ring seat, the sliding handle is slidably disposed on the handle, one end of the spindle is fixedly connected to the sliding handle through a fixing tube, the other end of the spindle passes through the through hole and is fixedly connected to the connecting wire through a connecting tube; the rotating wheel is rotatably connected to the handle, the rotating wheel is provided with a flat part, the spindle passes through the flat part and is engaged with the flat part through a guide tube.
[0015] Beneficial effects
[0016] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects: Addressing the technical problems of defects in existing hemostatic clips, this utility model achieves the closing and locking of the clip by the abutting engagement between the mating boss at the tail of the clip and the blocking platform on the clamp seat; furthermore, by breaking the fracture wall of the connecting wire, the connecting hole is connected to the external space, thereby allowing the connecting wire to detach from the clip, which facilitates the release of the hemostatic clip head. The locking of the clip after closure and the detachment of the connecting wire from the clip are both achieved independently, without interference, greatly avoiding the occurrence of misoperation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the head structure of a hemostatic clip according to an embodiment of the present invention.
[0018] Figure 2 This is one of the structural schematic diagrams of the clip proposed in the embodiment of this utility model.
[0019] Figure 3 This is the second schematic diagram of the clip structure proposed in the embodiment of this utility model.
[0020] Figure 4 This is one of the structural schematic diagrams of the clamp seat proposed in the embodiment of this utility model.
[0021] Figure 5 This is the second schematic diagram of the clamp seat proposed in the embodiment of this utility model.
[0022] Figure 6 This is a schematic diagram of the mating boss and the blocking platform proposed in an embodiment of the present utility model.
[0023] Figure 7 This is a schematic diagram of the connecting segment proposed in an embodiment of the present utility model.
[0024] Figure 8 This is a schematic diagram of the rotating ring seat proposed in an embodiment of the present utility model.
[0025] Figure 9 This is a schematic diagram of the structure of the first rotating ring proposed in an embodiment of the present invention.
[0026] Figure 10 This is a schematic diagram of the structure of the second rotating ring proposed in an embodiment of the present invention.
[0027] Figure 11 This is a schematic diagram of the hook structure proposed in an embodiment of the present utility model.
[0028] Figure 12 This is a cross-sectional view of the hemostatic clip proposed in an embodiment of the present invention.
[0029] Figure 13 This is one of the working schematic diagrams of the hemostatic clip proposed in the embodiments of this utility model.
[0030] Figure 14 This is the second schematic diagram of the working of the hemostatic clip proposed in the embodiment of this utility model. Detailed Implementation
[0031] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings and embodiments.
[0032] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the utility model. Furthermore, it should be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The terms "first," "second," etc., used in this utility model are provided for the convenience of describing the technical solution of this utility model and have no specific limiting effect; they are all general terms and do not constitute a limitation on the technical solution of this utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Multiple technical solutions in the same embodiment, as well as multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not contradict or conflict, all of which are within the scope of protection claimed by this utility model.
[0033] Combined with appendix Figure 1 To be continued Figure 14 This embodiment proposes a hemostatic clip, including a clamp base 1, a connecting wire, and two clamping plates 3. The two clamping plates 3 intersect, and the intersection is hinged to the clamp base 1; a connecting hole 31 is provided on the clamping plate 3, the connecting hole 31 is located at the tail of the clamping plate 3, and a fracture wall 33 is provided on the side of the connecting hole 31 near the tail of the clamping plate 3.
[0034] The connecting wire includes two connecting segments 20, which pass through the clamp seat 1. The ends of the connecting segments 20 are provided with hook parts, which are connected to the connecting holes 31. The hook parts are used to break the fracture wall 33 so that the connecting holes 31 can communicate with the outside space.
[0035] A mating boss 30 is fixedly provided at the tail of the clamping piece 3 near the connecting hole 31. A blocking platform 10 is provided on the clamping seat 1. The two blocking platforms 10 corresponding to the two clamping pieces 3 are centrally symmetrically arranged on the clamping seat 1. The blocking platform 10 includes a limiting side 101 and a check side 102. The limiting side 101 and the check side 102 are respectively used to abut against the mating boss 30.
[0036] In this embodiment of the hemostatic clip, the connecting wire is generally made of metal. The portion of the connecting wire near the clip 3 consists of two connecting segments 20, each used to connect to the clip 3. The ends of the connecting segments 20 can be bent, have a hook 7 added, or other connecting structures added to form a hooking part, which connects to the connecting hole 31. Therefore, in this embodiment of the hemostatic clip, the opening and closing of the clip 3, the locking of the clip 3 after it closes, and the disengagement of the connecting wire from the clip 3 can all be achieved through the pushing and pulling action of the connecting wire. It is understood that the connecting wire requires external force to push and pull. The mechanism for achieving the pushing and pulling action of the connecting wire in this embodiment of the hemostatic clip can refer to existing hemostatic clips.
[0037] The principle behind controlling the opening and closing of the clip 3 is as follows: during the pushing and pulling of the connecting wire, the two clips 3 are driven to rotate around their hinge position, thereby achieving the swinging of the clips 3. The free swinging of the clips 3 occurs when the mating boss 30 at the tail of the clip 3 has not passed the blocking platform 10. In this case, the tightest closed state of the clips 3 is when the mating boss 30 just abuts against the limiting side 101.
[0038] Furthermore, when the connecting wire is pulled forcefully, the mating boss 30 can pass over the blocking platform 10. If the connecting wire is pushed back at this time, the mating boss 30 will abut against the anti-return side 102 of the blocking platform 10. Since the connecting wire is mostly flexible, the thrust it provides is insufficient to make the mating boss 30 pass over the blocking platform 10 again in the opposite direction. As a result, the clamp 3 cannot be opened again, thus achieving the locking after the clamp 3 is closed.
[0039] The principle for detaching the connecting wire from the clip 3 is as follows: After the clip 3 is closed and locked, the connecting wire is pulled to make the clip 3 continue to close. At this time, the clamped lesion tissue will transmit a force opposite to the movement trend to the two clips 3, or between the two clips 3. As the connecting wire is pulled continuously, the hook part will continuously exert a force on the fracture wall 33. When the force reaches a certain level, the fracture wall 33 will be destroyed. The inner wall of the original connecting hole 31 just abuts against the hook part. However, at this time, the connecting hole 31 is connected to the external space, and the inner wall of the connecting hole 31 cannot block the hook part. Thus, the hook part can easily detach from the connection with the connecting hole 31. In this way, the detachment of the connecting wire from the clip 3 is achieved, which also means the detachment of the clamp seat 1 and the clip 3 from the rest of the hemostatic clamp.
[0040] It should be noted that the fracture wall 33 in this embodiment is the thinner and weaker part at the tail of the clip 3 in the actual product. Since the head of the hemostatic clip is already very small, and the clip 3 is even smaller, and the thickness of the fracture wall 33 is generally only a few tenths of a millimeter, the fracture wall 33 can be easily destroyed regardless of whether the clip 3 is made of metal or plastic.
[0041] Based on the above working principle, it is clear that, addressing the technical problems of existing hemostatic clips, this embodiment achieves the closing and locking of the clip 3 by engaging the mating boss 30 at the tail of the clip 3 with the blocking platform 10 on the clamp seat 1; furthermore, by breaking the fracture wall 33 of the connecting wire, the connecting hole 31 is made connected to the external space, thereby allowing the connecting wire to disengage from the clip 3, which facilitates the release of the hemostatic clip head. The locking of the clip 3 after closing and the disengagement of the connecting wire from the clip 3 are both achieved independently, without interference, and in a specific order. The disengagement of the connecting wire from the clip 3 necessarily occurs after the clip 3 is closed and locked, thus greatly reducing the possibility of misoperation.
[0042] Combined with appendix Figure 2 and attached Figure 3 In a preferred embodiment, a fracture groove 34 is provided on the fracture wall 33. The opening of the fracture groove 34 communicates with the connecting hole 31, and the fracture groove 34 gradually converges from the connecting hole 31 towards the tail of the clamping piece 3. Based on the fracture groove 34, on the one hand, the local strength of the fracture wall 33 is reduced, making it easier for the fracture wall 33 to fracture at the fracture groove 34; on the other hand, the fracture groove 34 also guides the hook part, making the force exerted by the connecting section 20 on the fracture wall 33 more concentrated, thus more conducive to damaging the fracture wall 33 and causing it to fracture.
[0043] As can be seen from the foregoing embodiments, before the fracture wall 33 is damaged, the connecting wire and the connecting hole 31 on the clamp 3 will remain connected through the hook part. (Referring to the attached...) Figure 7 In a preferred embodiment, the connecting portion includes a first bent section 201 and a second bent section 202. The first bent section 201 forms an angle with the connecting section 20, and the second bent section 202 forms an angle with the first bent section 201. The extending direction of the second bent section 202 is consistent with the extending direction of the connecting section 20. The first bent section 201 passes through the connecting hole 31. In this embodiment, the connecting wire achieves a stable connection with the connecting hole 31 through the first bent section 201 and the second bent section 202.
[0044] Furthermore, the first bending segment 201, as a component that penetrates the connecting hole 31, can exert force on the fracture wall 33 when the connecting wire is pulled. And when the fracture wall 33 is damaged, since the extension direction of the second bending segment 202 is consistent with the extension direction of the connecting segment 20, that is, its extension direction is from the tail of the clamp 3 to the head of the clamp 3, it will not form a barb to catch the undamaged fracture wall 33, thereby further ensuring the separation of the connecting wire from the clamp 3.
[0045] It is conceivable that the arrangement of the first bending segment 201 and the second bending segment 202 would result in an excessively large end volume of the connecting segment 20. During the swinging process of the clamp 3, the first bending segment 201 and the second bending segment 202 might interfere with the inner wall of the clamp seat 1, thus affecting the free swinging of the clamp 3. Therefore, in a further embodiment, a clearance groove 32 is provided at the tail of the clamp 3, and the connecting hole 31 is located on the clearance groove 32. The clearance groove 32 is used to accommodate the second bending segment 202. In this way, the design of the clearance groove 32 creates clearance space, preventing the first bending segment 201 and the second bending segment 202 from interfering with the inner wall of the clamp seat 1.
[0046] Based on the locking principle of the aforementioned clamp 3, it can be seen that, similar to the aforementioned interference situation, the mating boss 30 will swing with the swing of the clamp 3. Therefore, the mating boss 30 is also prone to interference with the surface of the clamp seat 1. To avoid this interference, in conjunction with the attached... Figure 5 and attached Figure 6 In a preferred embodiment, a first clearance groove 13 and a second clearance groove 14 are respectively provided on both sides of the blocking platform 10. The first clearance groove 13 is located on the side where the limiting side 101 of the blocking platform 10 is located, and the second clearance groove 14 is located on the side where the anti-return side 102 of the blocking platform 10 is located. Thus, through the design of the first clearance groove 13 and the second clearance groove 14, the mating boss 30 can provide clearance space before and after passing the blocking platform 10, avoiding interference between the mating boss 30 and the surface of the clamp seat 1.
[0047] The widths of the first clearance groove 13 and the second clearance groove 14 can be equal or unequal; that is, the width of the first clearance groove 13 can be greater than or less than the width of the second clearance groove 14. Generally, the width of the first clearance groove 13 is greater than the width of the second clearance groove 14. The reason for this design is that the first clearance groove 13 needs to ensure that the mating boss 30 slides in and out frequently. Since the movement trajectory of the mating boss 30 is arc-shaped and the area it sweeps over is relatively large, a relatively wider first clearance groove 13 is required. In other words, a wider first clearance groove 13 can prevent its inner wall from interfering with the mating boss 30. When the mating boss 30 slides into the second clearance groove 14, it means that the clamping piece 3 will no longer swing and does not require a large movement space. Therefore, the second clearance groove 14 can be designed to be narrower, and a narrower second clearance groove 14 helps to further restrict the movement of the clamping piece 3.
[0048] According to the clamping procedure, the clamp 3 and clamp seat 1 need to be advanced along the endoscopic forceps channel to the vicinity of the lesion. Therefore, it is necessary to control the width of the hemostatic clamp head, i.e., to make it easier for the tip of the clamp 3 to enter the forceps channel. In a preferred embodiment, the clamp 3 includes clamping arms 35. For any clamp 3, the tip of the clamping arm 35 is tilted towards the side where the clamping arm 35 of the other clamp 3 is located. At this time, when the clamp 3 is in a fully closed state, the clamping arms 35 are all tilted inward, and the distance between the tips of adjacent clamping arms 35 will be greatly reduced. Therefore, the width of the hemostatic clamp head will be greatly reduced, which makes it easier for the tip of the hemostatic clamp to be inserted into the endoscopic forceps channel. In a preferred embodiment, the tilt angle of the clamping arm 35 is 0° to 30°.
[0049] As can be seen from the foregoing embodiments, the purpose of the clamping method is to keep the clamp seat 1 and clamp piece 3 inside the body to maintain clamping on the lesion, while the rest of the hemostatic clamp needs to be removed from the body. To further achieve this independent detachment of the clamp seat 1 and clamp piece 3, a structure needs to be designed to connect the clamp seat 1 to the rest of the hemostatic clamp, and this structure must ensure that the clamp seat 1 and clamp piece 3 can be completely released. (Referring to the attached...) Figure 8 To be continued Figure 13 In a preferred embodiment, the hemostatic clip further includes a rotating base 4, a first rotating ring 5, a second rotating ring 6, and a hook 7. The rotating base 4 is located on one side of the clamp base 1, and a limiting block 40 is fixedly provided on the rotating base 4. The first rotating ring 5 is located inside the rotating base 4, and both ends of the first rotating ring 5 abut against the limiting block 40. The outer wall of the second rotating ring 6 is fixedly connected to the inner wall of the first rotating ring 5. An extension boss 60 is fixedly provided on the second rotating ring 6, and a first release hole 61 is provided on the extension boss 60. A second release hole 12 is provided on the clamp base 1. A claw 71 is fixedly provided at the end of the hook 7, and the claw 71 passes through the first release hole 61 and is inserted into the second release hole 12.
[0050] Based on this structural form, the principle by which the clamp seat 1 connects and disconnects from the rest of the hemostatic clamp is as follows: the rotating ring seat 4 assembles the first rotating ring 5 inside it through the limiting block 40, while still ensuring that the first rotating ring 5 can rotate. The inner wall of the first rotating ring 5 is fixedly connected to the outer wall of the second rotating ring 6 by welding or bonding. The claw 71 on the hook 7 passes through both the first release hole 61 on the extending boss 60 and the second release hole 12 on the clamp seat 1, thereby connecting the second rotating ring 6 to the clamp seat 1. Thus, the connection between the rest of the hemostatic clamp and the clamp seat 1 is achieved.
[0051] The release process of the clamp seat 1 occurs after the connecting wire and clamp piece 3 separate. The connecting wire moves axially along the clamp seat 1 until it abuts against the hook 7, exerting a force on the hook 7. This force causes the claw 71 to disengage from the second release hole 12 on the clamp seat 1. Clearly, the clamp seat 1 and the second rotating ring 6 are connected solely by the cooperation of the first release hole 61 and the second release hole 12 with the claw 71. When the claw 71 disengages from the second release hole 12, the clamp seat 1 and clamp piece 3 can be released, remaining in the body to clamp the lesion. Meanwhile, the connecting wire, rotating ring seat 4, first rotating ring 5, second rotating ring 6, and hook 7 can leave the body along with the main body of the hemostatic clamp. Thus, the remaining parts of the hemostatic clamp are disengaged from the clamp seat 1.
[0052] In addition, the remaining parts of the hemostatic clip include a handle 80, a sliding handle 81, a rotating wheel 82, a plastic-coated spring tube 88, and a spindle 83; the hook 7 is provided with a through hole 72. The plastic-coated spring tube 88 is sleeved on the outside of the spindle 83. One end of the plastic-coated spring tube 88 is fixedly connected to the end of the handle 80, and the other end of the plastic-coated spring tube 88 is fixedly connected to the rotating ring seat 4. The sliding handle 81 is slidably mounted on the handle 80. One end of the spindle 83 is fixedly connected to the sliding handle 81 through a fixing tube 85, and the other end of the spindle 83 passes through the through hole 72 and is fixedly connected to the connecting wire through a connecting tube 86. The rotating wheel 82 is rotatably connected to the handle 80. A flat part is provided inside the rotating wheel 82, and the spindle 83 passes through the flat part and is engaged with the flat part through a guide tube 87.
[0053] This implementation, combined with the aforementioned implementations, constitutes a complete hemostatic clip. The handle 80, plastic-coated spring tube 88, rotating ring seat 4, and clamp seat 1 are sequentially connected, forming the main structure of the hemostatic clip. The sliding handle 81 and spindle 83, along with other related structures, constitute an actuating mechanism capable of pulling the connecting wire. The sliding handle 81 slides relative to the handle 80, thereby driving the connecting wire axially via the spindle 83, realizing the opening and closing of the clamp 3, locking after closing, disengagement of the clamp 3 from the connecting wire, and release of the clamp seat 1 from the second rotating ring 6. The rotating wheel 82, through its internal flat portion and cooperation with the spindle 83, transmits its rotation to the clamp 3, thereby controlling the rotation of the clamp seat 1 and the clamp 3 relative to the rotating ring seat 4.
[0054] Furthermore, since current hemostatic clips often use stainless steel or other metals for their clip plates 3 and clamp base 1, these components may possess magnetism. This could prevent patients who have undergone endoscopic minimally invasive treatment from undergoing MRI scans for a short period and from passing security checks. Therefore, in a preferred embodiment, the clip plates 3 and clamp base 1 are made of non-magnetic elastic materials or non-magnetic absorbable materials. Specific materials include pure titanium, magnesium alloys, zinc alloys, polylactic acid, polyglycolic acid, polyglycolic acid, polyglycolic acid-trimethylene carbonate, polyetheretherketone, polyamide, polyoxymethylene, ultra-high molecular weight polyethylene, and polycarbonate. In a preferred embodiment, pure titanium or polyetheretherketone can be selected as needed. This ensures that the clip plates 3 and clamp base 1 remain in the body and are compatible with MRI scans, meaning they do not affect the patient's MRI examination or security checks.
[0055] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited to this. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A hemostatic clip, characterized in that, Includes clamp base (1), connecting wire and two clamping plates (3); The two clamping pieces (3) intersect and are hinged to the clamping seat (1) at the intersection; a connecting hole (31) is provided on the clamping piece (3), the connecting hole (31) is located at the tail of the clamping piece (3), and a fracture wall (33) is provided on the side of the connecting hole (31) near the tail of the clamping piece (3); The connecting wire includes two connecting segments (20), which pass through the clamp seat (1). The ends of the connecting segments (20) are provided with hook parts, which are connected to the connecting hole (31). The hook parts are used to break the fracture wall (33) so that the connecting hole (31) can communicate with the outside space. A mating boss (30) is fixedly provided at the tail of the clamping piece (3) near the connecting hole (31). A blocking platform (10) is provided on the clamping seat (1). The two blocking platforms (10) corresponding to the two clamping pieces (3) are centrally symmetrically arranged on the clamping seat (1). The blocking platform (10) includes a limiting side (101) and a check side (102). The limiting side (101) and the check side (102) are respectively used to abut against the mating boss (30).
2. A haemostatic clamp according to claim 1, wherein, A fracture groove (34) is provided on the fracture wall (33). The opening of the fracture groove (34) is connected to the connecting hole (31). The fracture groove (34) gradually converges from the connecting hole (31) toward the tail of the clip (3).
3. The hemostatic clip of claim 1, wherein, The hook-on portion includes a first bent section (201) and a second bent section (202). The first bent section (201) has an angle with the connecting section (20), and the second bent section (202) has an angle with the first bent section (201). The extension direction of the second bent section (202) is consistent with the extension direction of the connecting section (20). The first bent section (201) passes through the connecting hole (31).
4. A haemostatic clamp according to claim 3, wherein, The tail of the clip (3) is provided with a clearance groove (32), and the connecting hole (31) is located on the clearance groove (32). The clearance groove (32) is used to accommodate the second bent section (202).
5. The hemostatic clip of claim 1, wherein, The blocking platform (10) is provided with a first clearance groove (13) and a second clearance groove (14) on both sides. The first clearance groove (13) is located on the side where the limiting side (101) of the blocking platform (10) is located, and the second clearance groove (14) is located on the side where the anti-return side (102) of the blocking platform (10) is located.
6. A haemostatic clamp according to claim 5, wherein, The widths of the first clearance groove (13) and the second clearance groove (14) are equal, or the width of the first clearance groove (13) is greater than the width of the second clearance groove (14).
7. The hemostatic clip of claim 1, wherein, The clip (3) includes a clip arm (35), and for any clip (3), the head end of the clip arm (35) is inclined toward the side where the clip arm (35) is located on the other clip (3).
8. The hemostatic clip of claim 1, wherein, The clamp seat (1) and clamp (3) are made of non-magnetic elastic material or non-magnetic absorbable material.
9. A hemostatic clip according to claim 1, characterized in that, It also includes a swivel base (4), a first swivel (5), a second swivel (6), and a hook (7); The rotating seat (4) is located on one side of the clamp seat (1). A limiting block (40) is fixedly provided on the rotating seat (4). The first rotating ring (5) is located inside the rotating seat (4), and the two ends of the first rotating ring (5) abut against the limiting block (40) respectively. The outer wall of the second rotating ring (6) is fixedly connected to the inner wall of the first rotating ring (5). An extension boss (60) is fixedly provided on the second rotating ring (6). A first release hole (61) is provided on the extension boss (60). A second release hole (12) is provided on the clamp seat (1). A hanging claw (71) is fixedly provided at the end of the hook (7). The hanging claw (71) passes through the first release hole (61) and is inserted into the second release hole (12).
10. A haemostatic clamp according to claim 9, wherein, It also includes a handle (80), a sliding handle (81), a rotating wheel (82), a plastic-coated spring tube (88), and a spindle (83); the hook (7) is provided with a through hole (72); The plastic-coated spring tube (88) is sleeved on the outside of the mandrel (83). One end of the plastic-coated spring tube (88) is fixedly connected to the end of the handle (80), and the other end of the plastic-coated spring tube (88) is fixedly connected to the rotating seat (4). The sliding handle (81) is slidably disposed on the handle (80). One end of the mandrel (83) is fixedly connected to the sliding handle (81) through the fixing tube (85), and the other end of the mandrel (83) passes through the through hole (72) and is fixedly connected to the connecting wire through the connecting tube (86). The rotating wheel (82) is rotatably connected to the handle (80). A flat part is provided inside the rotating wheel (82). The spindle (83) passes through the flat part and is engaged with the flat part through a conduit (87).