Elastic drag hook suspension system

By designing an elastic hook suspension system, the problems of force control and visibility impact of existing hook systems are solved, achieving stability and clear visibility, preventing tissue damage and smoke removal.

CN224179742UActive Publication Date: 2026-05-01NINGXIA MEDICAL UNIVERSITY GENERAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGXIA MEDICAL UNIVERSITY GENERAL HOSPITAL
Filing Date
2025-01-15
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing retractor systems cannot effectively control force during use, leading to excessive tissue traction and damage. At the same time, the design at the bends affects visibility and causes tissue sagging.

Method used

A spring-loaded hook suspension system was designed, comprising a mounting base, an L-shaped support rod, a threaded sleeve, a lifting screw, a pull rope, and a spring. The height is adjusted by the threaded sleeve and the lifting screw, the spring provides cushioning, the connecting block and the locking block fix the pull rope, the U-shaped hook has an arc structure to suspend proximal tissue, and the connecting tube is used to remove smoke.

Benefits of technology

It improves system stability, reduces tissue damage, provides a clear intraoperative view, prevents tissue slippage, and effectively eliminates smoke.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an elastic drag hook suspension system. The elastic drag hook suspension system comprises a mounting base, an L-shaped supporting rod is fixedly mounted at the top of the mounting base, a threaded sleeve is fixedly mounted on the L-shaped supporting rod, a lifting screw is mounted in the threaded sleeve in a threaded mode, and the two ends of the lifting screw extend out of the threaded sleeve. A pull rope and a spring are detachably installed at the bottom end of the lifting screw rod, the pull rope is located in the spring, a U-shaped pull hook is detachably installed at the bottom end of the pull rope, and the bottom end of the spring is detachably connected with the U-shaped pull hook. The elastic drag hook suspension system has the advantages of being convenient to use, capable of effectively reducing secondary injuries, capable of effectively preventing tissue from slipping off from the drag hook and capable of sucking away smoke generated in an operation.
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Description

Technical Field

[0001] This utility model relates to the field of medical technology, and in particular to an elastic hook suspension system. Background Technology

[0002] Currently, in some surgeries, in order to better free up the hands of medical staff, retractors are used to pull the patient's skin, muscles, blood vessels, nerves and other tissues. However, the existing retractor system does not have a rebound structure. During use, due to the inability to control the force, excessive pulling of muscles, blood vessels, nerves and other tissues can lead to damage.

[0003] In addition, the existing hook system has a right-angle design at the bend, which causes the proximal tissue to be unable to bear the force while pulling the distal tissue, resulting in tissue sagging and affecting operation.

[0004] Therefore, it is necessary to provide a new elastic hook suspension system to solve the above-mentioned technical problems. Utility Model Content

[0005] The technical problem solved by this utility model is to provide an elastic hook suspension system that is easy to use, can effectively reduce the occurrence of collateral damage, can effectively prevent tissue from slipping off the hook, and can absorb the smoke generated during surgery.

[0006] To solve the above-mentioned technical problems, the elastic hook suspension system provided by this utility model includes: a mounting base, an L-shaped support rod fixedly mounted on the top of the mounting base, a threaded sleeve fixedly mounted on the L-shaped support rod, a lifting screw threadedly mounted inside the threaded sleeve, both ends of the lifting screw extending outside the threaded sleeve, a pull rope and a spring detachably mounted on the bottom end of the lifting screw, the pull rope being located inside the spring, a U-shaped hook detachably mounted on the bottom end of the pull rope, and the bottom end of the spring being detachably connected to the U-shaped hook.

[0007] Preferably, one end of the U-shaped hook is connected to a connecting pipe, a connecting groove is formed inside the U-shaped hook, the connecting groove is connected to the connecting pipe, and a plurality of through holes are formed at the other end of the U-shaped hook, the through holes being connected to the connecting groove.

[0008] Preferably, the other end of the U-shaped hook has an external thread on its outer side.

[0009] Preferably, connecting blocks are fixedly installed at both ends of the spring, locking blocks are fixedly installed on the side of the two connecting blocks that are far apart from each other, and fixing hooks are fixedly installed on the side of the two connecting blocks that are close to each other. The two ends of the pull rope are respectively suspended on the two fixing hooks. The lifting screw and the U-shaped pull hook are both provided with slots, and the two locking blocks are respectively located in the two slots.

[0010] Preferably, the mounting base includes a connecting plate, the bottom of the connecting plate has a sliding groove, two sliders are slidably installed in the sliding groove, the two sliders are threaded with the same clamping screw, one end of the clamping screw extends outside the connecting plate, and a clamping plate is fixedly installed at the bottom of the slider.

[0011] Compared with related technologies, the elastic hook suspension system provided by this utility model has the following advantages:

[0012] This utility model provides an elastic pull hook suspension system. A mounting base consisting of a connecting plate, a sliding groove, a slider, a clamping screw, and a clamping plate can fix the entire pull hook suspension system to the side of the operating table, thereby improving the stability of the entire system. The height of the U-shaped pull hook can be adjusted using a threaded sleeve and a lifting screw. A spring sleeved on the outside of the pull rope provides a cushioning effect. The pull rope and spring can be replaced using a connecting block, a locking block, a fixing hook, and a locking groove, allowing for the use of springs with different extension lengths for different tissues. The U-shaped pull hook... The middle section has an arc-shaped structure. This design ensures good suspension at the proximal end while pulling distal tissues, guaranteeing a good surgical field of vision. In addition, multi-point force application reduces local tissue pressure and prevents tissue necrosis. The unique external thread at the end of the U-shaped retractor prevents tissue slippage during traction and avoids secondary injuries. The connecting tube fixed at the front end of the U-shaped retractor and the multiple through holes in the U-shaped retractor allow for timely and effective removal of smoke from the surgical area when an external suction device is connected through the connecting tube, providing a clear surgical field of vision. Attached Figure Description

[0013] Figure 1 A schematic diagram of a preferred embodiment of the elastic hook suspension system provided by this utility model;

[0014] Figure 2 for Figure 1 The diagram shows a cross-sectional view of the structure.

[0015] Figure 3 for Figure 2 The diagram shows the connection structure of the pull rope and the spring.

[0016] Figure 4 for Figure 1 The diagram shows a cross-sectional view of the mounting base.

[0017] The following are the labels in the diagram: 1. Mounting base, 101. Connecting plate, 102. Slide groove, 103. Slider, 104. Clamping screw, 105. Clamping plate, 2. L-shaped support rod, 3. Threaded sleeve, 4. Lifting screw, 5. Pull rope, 6. Spring, 7. U-shaped pull hook, 8. Connecting pipe, 9. External thread, 10. Through hole, 11. Connecting block, 12. Fixing hook, 13. Locking block. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Please refer to the following: Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic diagram of a preferred embodiment of the elastic hook suspension system provided by this utility model; Figure 2 for Figure 1 The diagram shows a cross-sectional view of the structure. Figure 3 for Figure 2 The diagram shows the connection structure of the pull rope and the spring. Figure 4 for Figure 1 The diagram shows a cross-sectional view of the mounting base. The elastic hook suspension system includes: a mounting base 1, an L-shaped support rod 2 fixedly mounted on the top of the mounting base 1, a threaded sleeve 3 fixedly mounted on the L-shaped support rod 2, a lifting screw 4 threadedly mounted inside the threaded sleeve 3, both ends of the lifting screw 4 extending outside the threaded sleeve 3, a pull rope 5 and a spring 6 detachably mounted on the bottom end of the lifting screw 4, the pull rope 5 being located inside the spring 6, a U-shaped hook 7 detachably mounted on the bottom end of the pull rope 5, and the bottom end of the spring 6 being detachably connected to the U-shaped hook 7.

[0020] The length of the pull rope 5 is greater than that of the spring 6 in its normal state, and the length of the pull rope 5 is less than that of the spring 6 in its maximum tension state.

[0021] One end of the U-shaped hook 7 is connected to a connecting pipe 8. A connecting groove is provided inside the U-shaped hook 7, and the connecting groove is connected to the connecting pipe 8. A plurality of through holes 10 are provided at the other end of the U-shaped hook 7, and the through holes 10 are connected to the connecting groove.

[0022] The other end of the U-shaped hook 7 has an external thread 9 on its outer side.

[0023] Both ends of the spring 6 are fixedly installed with connecting blocks 11. On the side of the two connecting blocks 11 that are far apart from each other, a locking block 13 is fixedly installed. On the side of the two connecting blocks 11 that are close to each other, a fixing hook 12 is fixedly installed. Both ends of the pull rope 5 are suspended on the two fixing hooks 12 respectively. The lifting screw 4 and the U-shaped pull hook 7 are both provided with slots. The two locking blocks 13 are located in the two slots respectively.

[0024] The mounting base 1 includes a connecting plate 101. A groove 102 is provided at the bottom of the connecting plate 101. Two sliders 103 are slidably installed in the groove 102. The same clamping screw 104 is threaded onto the two sliders 103. One end of the clamping screw 104 extends to the outside of the connecting plate 101. A clamping plate 105 is fixedly installed at the bottom of the sliders 103.

[0025] The U-shaped retractor 7 has a flat front end, which reduces the space occupied during surgery and provides convenience for surgeries in confined spaces. The U-shaped design of the U-shaped retractor 7 can prevent the tissue near the retractor from sagging and affecting the field of vision.

[0026] Compared with related technologies, the elastic hook suspension system provided by this utility model has the following advantages:

[0027] This utility model provides an elastic pull hook suspension system. The mounting base 1, composed of a connecting plate 101, a sliding groove 102, a slider 103, a clamping screw 104, and a clamping plate 105, can fix the entire pull hook suspension system to the side of the operating table, thereby improving the stability of the entire system. The height of the U-shaped pull hook 7 can be adjusted using a threaded sleeve 3 and a lifting screw 4. A spring 6 is fitted around the outside of the pull rope 5 to provide a cushioning effect. Furthermore, the pull rope 5 and spring 6 can be replaced using a connecting block 11, a locking block 13, a fixing hook 12, and a locking groove, allowing for the replacement of different stretching lengths for different tissues. Spring 6; The middle part of the U-shaped hook 7 has an arc-shaped structure. This structural design can ensure that while pulling the distal tissue, the proximal end also has a good suspension effect, ensuring a good surgical field of vision. In addition, multi-point force can reduce the pressure on local tissues and prevent tissue necrosis. The unique external thread at the end of the U-shaped hook 7 prevents tissue slippage during traction and avoids the occurrence of collateral damage. The connecting tube 8 fixed at the front end of the U-shaped hook 7 and the multiple through holes 10 set in the U-shaped hook 7 can effectively remove smoke from the surgical area in a timely manner when an external suction device is connected through the connecting tube 8, providing a clear surgical field of vision.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A spring-loaded retractor suspension system, characterized by, include: The mounting base has an L-shaped support rod fixedly mounted on its top. A threaded sleeve is fixedly mounted on the L-shaped support rod. A lifting screw is threadedly mounted inside the threaded sleeve. Both ends of the lifting screw extend outside the threaded sleeve. A pull rope and a spring are detachably mounted on the bottom end of the lifting screw. The pull rope is located inside the spring. A U-shaped hook is detachably mounted on the bottom end of the pull rope. The bottom end of the spring is detachably connected to the U-shaped hook.

2. The elastic hook suspension system of claim 1, wherein, One end of the U-shaped hook is connected to a connecting pipe, and a connecting groove is provided inside the U-shaped hook. The connecting groove is connected to the connecting pipe. The other end of the U-shaped hook is provided with multiple through holes, and the through holes are connected to the connecting groove.

3. The elastic hook suspension system of claim 2, wherein, The other end of the U-shaped hook has an external thread.

4. The elastic hook suspension system of claim 1, wherein, Both ends of the spring are fixedly installed with connecting blocks, and the two connecting blocks are fixedly installed with locking blocks on the side away from each other, and the two connecting blocks are fixedly installed with fixing hooks on the side close to each other. The two ends of the pull rope are respectively suspended on the two fixing hooks. The lifting screw and the U-shaped pull hook are both provided with locking slots, and the two locking blocks are respectively located in the two locking slots.

5. The elastic hook suspension system of claim 1, wherein, The mounting base includes a connecting plate, the bottom of which has a sliding groove. Two sliders are slidably installed in the sliding groove. The two sliders are threaded with the same clamping screw. One end of the clamping screw extends outside the connecting plate. A clamping plate is fixedly installed at the bottom of the slider.