Drag hook for laparoscope puncture hole suture
By designing a T-shaped handle, clamping component, and extension assembly, the problems of complex structure and fixed length of existing retractors are solved, achieving stability and comfort during surgery, adapting to different patient body types, reducing the risk of tissue damage, and improving suturing accuracy and efficiency.
Patent Information
- Application Number
- CN202422939441.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing retractors for suturing laparoscopic puncture holes have complex structures, which increases hand fatigue for users. Their fixed length makes it difficult to adapt to different patient body types, especially those with thicker fat layers. Furthermore, they are inconvenient to operate and pose risks of incomplete suturing and tissue damage.
A hook has been designed that includes a T-shaped handle, a clamping component, an extension component, and a miniature light. The clamping component allows for adjustable clamping force, the extension component allows for adjustable length, the hook body is curved and has a silicone pad on the inside, and is equipped with a miniature light and scale markings. The design simplifies the structure, reduces weight, and improves stability and usability.
It improves the convenience and stability of surgery, reduces hand fatigue, adapts to surgical needs at different depths, reduces the risk of tissue damage, and improves the accuracy and efficiency of suturing.
Smart Images

Figure CN223746408U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of drag hook, concretely relates to a drag hook for laparoscopic puncture hole suture. BACKGROUND
[0002] The traditional method of the laparoscopic surgery is to make three 1cm small incisions on the waist of the patient, insert a pipeline-shaped working channel called "trocar" into each incision, perform all subsequent operations through the three pipelines, and use a specially designed lengthened surgical instrument to complete the same steps as the open surgery under television monitoring to achieve the same surgical effect. In the laparoscopic surgery, most doctors still use the blood vessel clamp to clamp the peritoneum for suture, which can easily lead to incomplete abdominal wall suture, form a puncture hole hernia, cause bleeding, and even hemorrhagic shock. In addition, the operation is difficult, time-consuming, and the blood vessel clamp is difficult to play a role in the narrow incision, and the repeated inaccurate clamping can cause unnecessary damage to the tissue. Therefore, the laparoscopic puncture hole suture drag hook emerges as the times require.
[0003] In the prior art, such as the "laparoscopic puncture hole suture drag hook" with the authorization announcement number CN210433509U, which includes a hook body, two groups of circular cavities are formed in the top of the hook body, a sliding groove is formed in the left side of the circular cavity, a through hole is formed in the right side of the sliding groove, the right side of the through hole is communicated with the circular cavity, and a long rod is rotatably connected in the circular cavity. The laparoscopic puncture hole suture drag hook can put the fingers between the first fixed ring and the second fixed ring, rotate the handle, and drive the long rod to rotate. Since the left side of the movable sleeve is fixedly connected with the connecting shaft, and the movable sleeve is threadedly connected with the long rod, when the long rod rotates, the movable sleeve moves upward, and when the movable sleeve moves upward, the second fixed ring moves upward. When the second fixed ring stops the fingers and cannot move, stop rotating the handle, and the stable fixing effect of the device is achieved.
[0004] Such a fixing method can fix the drag hook, but the structure is complex, the weight of the device is increased, the hands of the user are tired, the surgical effect is affected, and the length of the existing drag hook is fixedly set. When encountering a person with thick fat, the length of the drag hook is limited and cannot be deeply inserted into the wound, which is not convenient for people to use. UTILITY MODEL CONTENT
[0005] The utility model discloses a laparoscopic puncture hole suture drag hook.
[0006] The utility model discloses in order to realize above-mentioned purpose specifically adopts following technical scheme: a laparoscope puncture hole suture's drag hook, include: drag hook main part, the drag hook main part includes handheld part and hook body part, handheld part with the hook body part integral molding, handheld part is T-shaped, and its outer surface is equipped with antiskid line, clamping piece, clamping piece installs on handheld part, and it is used for clamping user's finger, extension assembly, extension assembly installs on handheld part, and it is used for extending the length of handheld part.
[0007] Further, the clamping piece includes two upper clamping plates and two lower clamping plates, and each of the upper clamping plate and the lower clamping plate is symmetrically arranged on one side of the handheld part, and a flexible plastic block is fixedly arranged between the upper clamping plate, the lower clamping plate and the handheld part.
[0008] Further, the extension assembly includes an insertion plate fixedly arranged on the top of the hook body part, the handheld part is provided with an insertion slot, the insertion plate is slidably arranged in the insertion slot, flexible plastic arc-shaped blocks are fixedly arranged on both sides of the insertion plate, and a clamping groove is arranged on the inner wall of the insertion slot, and the flexible plastic arc-shaped blocks are clamped with the clamping groove.
[0009] Further, the hook body part is curved, the curvature is 120°-150°, the end of the hook body part is inwardly curved to form a hook tip, and the hook tip is rounded.
[0010] Further, the inner surface of the hook body part is provided with a layer of silica gel soft pad, the thickness of the silica gel soft pad is 2-5mm, and the surface of the silica gel soft pad is provided with a plurality of convex textures.
[0011] Further, the top of the handheld part is fixedly provided with a connecting ring, and the connecting ring can be used to connect a rope or an elastic band.
[0012] Further, a miniature illuminating lamp is arranged on the drag hook main part, the miniature illuminating lamp is arranged on the inner side of the handheld part, a scale mark is arranged on the drag hook main part, the scale mark is arranged at the connection between the handheld part and the hook body part, and the range of the scale mark is 0-10cm.
[0013] Further, an installation frame is fixedly arranged on one side of the handheld part, a sliding plate is slidably arranged on one side of the installation frame, a return spring is fixedly arranged between one side of the sliding plate and one side of the inner wall of the installation frame, and a silica gel block is fixedly arranged on one side of the sliding plate.
[0014] The utility model has the advantages of the following:
[0015] The utility model discloses through clamping piece can clamping the finger of different user, improved the stability, allow user to adjust the clamping degree of force according to the thickness of finger, ensure the stable holding of retractor in the operation process, reduce the hand pressure, and this device simple structure, greatly reduced the weight of device, reduced the oppression of hand, alleviated the hand fatigue, simultaneously, the adjustable length function of extension assembly makes retractor can adapt to the operation demand of different depth, especially on the patient of fatty thick, can reach the wound place more deeply, improved the convenience and application scope of operation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure diagram of the utility model;
[0017] Figure 2 It is the three-dimensional structure of the utility model Figure 1 Cutaway view;
[0018] Figure 3 It is another three-dimensional structure diagram of the utility model;
[0019] Figure 4 It is the side view plane structure schematic diagram of the utility model Figure 1 .
[0020] Significant: 1, retractor main body;2, hand holding part;3, hook body part;31, silica gel soft pad;4, clamping piece;41, upper clamping plate;42, lower clamping plate;43, flexible plastic block;5, extension assembly;51, plugboard;52, slot;53, flexible plastic arc block;6, connecting ring;7, miniature illuminating lamp;8, scale mark;9, installation frame;10, sliding plate;11, reset spring;12, silica gel block. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, below, the technical scheme in the utility model embodiment will be clearly and completely described with the drawings in the utility model embodiment.
[0022] As Figures 1-4 The utility model discloses a retractor for laparoscope puncture hole suture, including: retractor main body 1, the retractor main body 1 includes hand holding part 2 and hook body part 3, hand holding part 1 with hook body part 3 is integrally formed, hand holding part 2 is T-shaped, and its outer surface is equipped with antiskid line;
[0023] A clamping piece 4 is installed on the hand-held part 2 for clamping the fingers of the user, which comprises two upper clamping plates 41 and two lower clamping plates 42, and each of the upper clamping plates 41 and the lower clamping plates 42 is symmetrically installed on one side of the hand-held part 2, and a flexible plastic block 43 is fixedly installed between each of the upper clamping plates 41, the lower clamping plates 42 and the hand-held part 2.
[0024] An extension assembly 5 is installed on the hand-held part 2 for extending the length of the hand-held part 2. The extension assembly 5 comprises an insertion plate 51 fixedly installed on the top of the hook body part 3, and an insertion slot 52 is formed on the hand-held part 2, the insertion plate 51 is slidably inserted into the insertion slot 52, and a flexible plastic arc-shaped block 53 is fixedly installed on each side of the insertion plate 51, and a clamping groove is formed on the inner wall of the insertion slot 52, and the flexible plastic arc-shaped block 53 is clamped with the clamping groove.
[0025] The retractor comprises a retractor main body 1 which is integrally formed by a hand-held part 2 and a hook body part 3, the hand-held part 2 is designed as a T-shaped type, and an anti-skid line is arranged on the outer surface to enhance the holding stability and comfort of the user during the operation. The clamping piece 4 is installed on the hand-held part 2 for clamping the fingers of the user, which comprises two upper clamping plates 41 and two lower clamping plates 42, and each of the upper clamping plates 41 and the lower clamping plates 42 is symmetrically installed on one side of the hand-held part 2, and a flexible plastic block 43 is fixedly installed between each of the upper clamping plates 41, the lower clamping plates 42 and the hand-held part 2. The flexibility of the flexible plastic block 43 can cause the upper clamping plates 41 and the lower clamping plates 42 to change the bending position to a certain extent, so as to clamp the fingers of different users and improve the stability. This design allows the user to adjust the clamping force according to the thickness of the fingers to ensure the stable holding of the retractor during the operation and reduce the hand pressure.
[0026] The addition of the extension assembly 5 enables the length of the hand-held part 2 to be adjusted as needed to adapt to different surgical scenarios and patient sizes. The extension assembly 5 comprises an insertion plate 51 fixedly installed on the top of the hook body part 3, and an insertion slot 52 is formed on the hand-held part 2, the insertion plate 51 is slidably inserted into the insertion slot 52, and a flexible plastic arc-shaped block 53 is fixedly installed on each side of the insertion plate 51, and a clamping groove is formed on the inner wall of the insertion slot 52, and the flexible plastic arc-shaped block 53 is clamped with the clamping groove. This structure allows the insertion plate 51 to move flexibly in the insertion slot 52 while maintaining stable connection to ensure the strength and reliability of the retractor in the extended state.
[0027] During the operation, the user places fingers between the upper clamping plate 41 and the lower clamping plate 42 of the clamping piece 4, and by moving the hand-held part 2, the hook body part 3 can be moved, thereby achieving the fixation and suture operation on the edge of the puncture hole. The device is simple in structure, greatly reduces the weight of the device, and can be fixed on the hand through the fixation of the clamping piece 4, reduces the compression feeling of the hand, and relieves the fatigue of the hand. Meanwhile, the adjustable length function of the extension assembly 5 enables the retractor to adapt to the operation requirements of different depths, especially on patients with thicker fat, the retractor can reach the wound more deeply, and the convenience and application range of the operation are improved. Overall, the laparoscopic puncture hole suture retractor realizes high efficiency, stability and comfort during the operation through the innovative structure design, and provides a more advanced auxiliary tool for laparoscopic surgery.
[0028] As shown in Figure 3 some embodiments, the hook body part 3 is curved, the bending angle is 120°-150°, and the end of the hook body part 3 is bent inward to form a hook tip, and the hook tip is blunt round.
[0029] The suitable bending angle can better adapt to the anatomical structure of the tissue around the puncture hole, facilitate deepening into the puncture hole and effectively pull the tissue, and the blunt round hook tip can maximize the reduction of the risk of damage to the tissue while ensuring the ability to pull the tissue, thereby protecting the tissue and organs of the patient.
[0030] As shown in Figure 3 some embodiments, the inner side surface of the hook body part 3 is provided with a layer of silica gel soft pad 31, the thickness of the silica gel soft pad 31 is 2-5mm, and the surface of the silica gel soft pad 31 is provided with a plurality of raised textures.
[0031] The silica gel soft pad 31 not only can further buffer the pressure of the retractor on the tissue and reduce the tissue damage, but also the texture on the surface of the silica gel soft pad 31 can make the retractor more stably pull the tissue, avoid affecting the operation process due to the sliding of the tissue during the suture process, and ensure the smooth operation of the suture operation.
[0032] As shown in Figure 1 some embodiments, the top of the hand-held part 2 is fixedly installed with a connecting ring 6, and the connecting ring 6 can be used to connect a rope or an elastic band.
[0033] The design of the connecting ring 6 increases the flexibility of the use of the retractor, the doctor can fix the retractor main body 1 at a suitable position through the rope or the elastic band according to the operation needs, free the hands to perform other operations, or conveniently and quickly adjust the position of the retractor main body 1 when needed, thereby improving the operation efficiency.
[0034] As shown in Figure 1As shown, in some embodiments, the hook body 1 is provided with a miniature light 7, which is located inside the handheld part 2. The hook body 1 is provided with a scale mark 8, which is located at the connection between the handheld part 2 and the hook body 3. The scale mark 8 has a range of 0-10cm.
[0035] During laparoscopic puncture hole suturing, since the light inside the puncture hole is relatively dim, the miniature lighting lamp 7 can provide local illumination for the surgical field, allowing doctors to observe the tissue condition inside the puncture hole more clearly. Especially when suturing deep tissues, it helps to perform suturing operations accurately, improving the precision and safety of the surgery.
[0036] The scale marking 8 allows doctors to intuitively understand the depth of the retractor within the puncture hole, which helps to better grasp the positional relationship of tissues during surgical procedures. Especially when suturing multi-layered tissues, the retractor's pulling depth can be precisely controlled according to the scale, ensuring the quality and effectiveness of the suture.
[0037] like Figure 2 As shown, in some embodiments, a mounting frame 9 is fixedly installed on one side of the handheld part 2, a sliding plate 10 is slidably inserted on one side of the mounting frame 9, a return spring 11 is fixedly installed between one side of the sliding plate 10 and one side of the inner wall of the mounting frame 9, and a silicone block 12 is fixedly installed on one side of the sliding plate 10.
[0038] The skateboard 10, the return spring 11, and the silicone block 12 provide the user with a certain degree of support and elasticity, which is used to contact the palm position to improve the support effect and make the hand more stable when holding the device.
[0039] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A retractor for suturing laparoscopic puncture holes, characterized in that, Include: The drag hook body (1), the drag hook body (1) includes hand-held part (2) and hook body part (3), the hand-held part (2) is integrally formed with the hook body part (3), the hand-held part (2) is T-shaped, and the outer surface is provided with anti-skid lines; Clamping piece (4), the clamping piece (4) is installed on the hand-held part (2), which is used for clamping the fingers of the user; Extension assembly (5), the extension assembly (5) is installed on the hand-held part (2), which is used for extending the length of the hand-held part (2).
2. The retractor for use in suturing a laparoscopic puncture hole according to claim 1, wherein The clamping piece (4) includes two upper clamping plates (41) and two lower clamping plates (42), and the single upper clamping plate (41) and the lower clamping plate (42) are symmetrically installed on one side of the hand-held part (2). The upper clamping plate (41), the lower clamping plate (42) and the hand-held part (2) are fixedly installed with flexible plastic blocks (43).
3. The retractor according to claim 1, wherein the retractor is used for suturing a laparoscopic puncture hole. The extension assembly (5) includes a plugboard (51) fixedly installed on the top of the hook body part (3), the hand-held part (2) is provided with a plug slot (52), the plugboard (51) is slidably inserted into the plug slot (52), the two sides of the plugboard (51) are fixedly installed with flexible plastic arc blocks (53), and the inner wall of the plug slot (52) is provided with a clamping groove, and the flexible plastic arc blocks (53) are clamped with the clamping groove.
4. The retractor according to claim 1, wherein The hook body part (3) is curved, the bending angle is 120°-150°, and the end of the hook body part (3) is curved inward to form a hook tip, and the hook tip is blunt round.
5. The retractor according to claim 1, wherein the retractor is used for suturing a laparoscopic puncture hole. The inner side surface of the hook body part (3) is provided with a layer of silica gel soft pad (31), the thickness of the silica gel soft pad (31) is 2-5mm, and the surface of the silica gel soft pad (31) is provided with a plurality of convex textures.
6. The retractor for use in suturing a laparoscopic puncture hole according to claim 1, wherein The top of the hand-held part (2) is fixedly installed with a connecting ring (6), and the connecting ring (6) can be used for connecting a rope or an elastic band.
7. The retractor according to claim 1, wherein the retractor is used for suturing a laparoscopic puncture hole. The drag hook body (1) is provided with a micro illuminating lamp (7), the micro illuminating lamp (7) is arranged on the inner side of the hand-held part (2), the drag hook body (1) is provided with a scale mark (8), the scale mark (8) is arranged at the connection between the hand-held part (2) and the hook body part (3), and the range of the scale mark (8) is 0-10cm.
8. The retractor for use in suturing a laparoscopic puncture hole according to claim 1, wherein One side of the hand-held part (2) is fixedly installed with a mounting frame (9), one side of the mounting frame (9) is slidably inserted with a sliding plate (10), a reset spring (11) is fixedly installed between one side of the sliding plate (10) and one side of the inner wall of the mounting frame (9), and a silica gel block (12) is fixedly installed on one side of the sliding plate (10).
Citation Information
Patent Citations
Drag hook for laparoscope puncture hole suturing
CN210433509U