Abdominal wall trocar hole sealing fixator

Abstract

The invention discloses an abdominal wall trocar hole sealing fixator, and relates to the technical field of trocar hole sealing devices. The device comprises a puncture cone, a movable rod body is fixedly connected to one side of the puncture cone, a plurality of elastic telescopic assemblies are arranged on the peripheral side of the puncture cone, and barb nails are connected to the ends of the elastic telescopic assemblies; a plurality of elastic assemblies connected with the elastic telescopic assemblies are arranged in the puncture cone, and a first pull rope connected with the elastic assemblies is arranged on the puncture cone. By means of the puncture cone arranged at the end of the movable rod body, the position of an abdominal wall trocar hole can be accurately positioned, a stable supporting foundation is provided for follow-up sealing and fixing operation, the elastic telescopic assemblies arranged on the peripheral side of the puncture cone and the connected barb nails can be effectively embedded into tissue after the puncture cone punctures the tissue around the trocar hole, and therefore the puncture effect is improved. The connection stability of the closed fixator and the abdominal wall tissue is enhanced, and the closed fixator is prevented from shifting in the using process.

Description

Technical Field

[0001] This invention belongs to the field of puncture hole closure devices, specifically, it relates to an abdominal wall puncture hole closure and fixing device. Background Technology

[0002] Currently, laparoscopic surgery has been widely recognized by medical professionals and patients. Among minimally invasive laparoscopic surgeries, the main characteristics are that it does not require abdominal incision, resulting in less trauma, faster postoperative recovery, and less patient pain. Therefore, it has been widely accepted by patients. Laparoscopic surgery mainly relies on medical endoscopes to magnify the surgical area onto a display screen through a camera system, and the surgery is performed by viewing the television images.

[0003] However, during laparoscopic surgery, a puncture is required on the abdominal wall to establish a surgical channel. The proper sealing of the puncture site after surgery is a critical issue. Improper sealing can easily lead to serious complications such as pneumoperitoneum, bleeding, or visceral prolapse. Although there are various methods for sealing the puncture site in clinical practice, they all have certain limitations, such as unsatisfactory sealing effect, complex operation, or additional damage to the patient.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide an abdominal wall puncture hole closure and fixation device, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is as follows: An abdominal wall puncture hole closure and fixation device includes: a puncture cone, a movable rod fixedly connected to one side of the puncture cone, and multiple elastic telescopic components arranged around the puncture cone, with barbed nails connected to the ends of the multiple elastic telescopic components. The puncture cone is provided with a tensioning component connected to a plurality of elastic telescopic components, and the puncture cone is provided with a first pull rope connected to the tensioning component, and a pull ring is fixedly connected to the end of the first pull rope; One end of the puncture cone is provided with a splicing groove, and multiple elastic clips are provided on the outer periphery of the splicing groove. A rotary transmission assembly connected to the multiple elastic clips is provided on one side of the splicing groove. Multiple teeth that drive the rotary transmission assembly are fixedly connected to the periphery of the end of the movable rod. An annular groove that engages with the multiple elastic clips is provided on the periphery of the movable rod.

[0007] Optionally, the barb includes a block, a chamfer on one side of the block, and an opening on the other side of the block.

[0008] Optionally, the elastic telescopic component includes a groove formed on the periphery of the puncture cone, a slider located in the groove, a first spring fixedly connected between the slider and the groove, and the block fixedly connected to one side of the slider.

[0009] Optionally, the puncture cone has an inner cavity that communicates with the plurality of grooves, and the tightening assembly includes a reel that is rotatably fitted in the inner cavity, and connecting ropes are fixedly connected to the periphery of the reel and the plurality of sliders.

[0010] Optionally, a connecting ring is fixedly connected to one side of the reel, one end of the first pull rope is fixedly connected to the periphery of the connecting ring, and the first pull rope is sleeved on the periphery of the connecting ring, with the end of the first pull rope penetrating the piercing cone.

[0011] Optionally, a first bearing is fixedly connected to the inner side of the cavity, and the reel and the connecting ring are both fixedly connected to the outer side of the first bearing.

[0012] Optionally, the elastic locking member includes a placement groove formed around the splicing groove, a locking block located in the placement groove and engaging with the annular locking groove, and a second spring disposed between the locking block and the placement groove, wherein the locking block cooperates with the rotary transmission assembly.

[0013] Optionally, the cross-sections of the card block and the annular card slot are trapezoidal.

[0014] Optionally, an annular groove is provided on the periphery of the splicing groove, and the rotary transmission assembly includes an internal toothed ring that slides inside the annular groove and meshes with a plurality of teeth, and a second pull rope connecting the internal toothed ring and the plurality of locking blocks, the second pull rope being located inside the second spring.

[0015] Optionally, a second bearing is provided inside the annular channel, and the internal gear ring is provided inside the second bearing.

[0016] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time: The puncture cone at the end of the movable rod allows for precise positioning of the abdominal wall puncture hole, providing a stable support for subsequent closure and fixation procedures. Multiple elastic telescopic components and connected barbs around the puncture cone effectively embed into the tissue after puncturing into the area surrounding the puncture hole, enhancing the connection stability between the fixation device and the abdominal wall tissue, preventing displacement of the fixation device during use, and thus ensuring the closure effect. The tensioning component inside the puncture cone, along with the first pull rope and pull ring connected to it, provides the operator with a way to flexibly control the extension and retraction of the elastic telescopic component. When it is necessary to implant or remove the closure fixator, by pulling the pull ring, the tensioning component is activated by the first pull rope, thereby controlling the contraction of the elastic telescopic component, causing the barb to retract, reducing damage to surrounding tissues, facilitating operation, and also reducing additional pain to the patient. The splicing groove at one end of the puncture cone, together with multiple elastic clips on the outer periphery, a rotary transmission component, and multiple teeth and annular grooves on the periphery of the movable rod end, forms a unique splicing and locking mechanism. This design enables reliable splicing and fixation between the movable rod and the puncture cone. During surgery, the position of the movable rod can be adjusted according to actual needs, and the rotary transmission component drives the elastic clips to engage with the annular grooves, ensuring that the movable rod is stably in the required position. This meets the adjustment requirements for the length of the closure fixator in different surgical scenarios, improving the applicability and flexibility of the equipment. Furthermore, the unique block, chamfer, and open structure of the barbed nail, the combined design of the groove, slider, and first spring in the elastic telescopic component, and the coordination of the reel, connecting rope, and related bearings and connecting rings in the tensioning component are all carefully designed. The coordinated work of each component ensures that the abdominal wall puncture hole closure and fixation device of this invention can efficiently and safely close and fix the abdominal wall puncture hole. It effectively solves the problems of unsatisfactory closure effect, complicated operation, or additional damage to patients in the prior art, and provides a strong guarantee for the safe and smooth performance of laparoscopic surgery.

[0017] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings: Figure 1 This is a schematic diagram of the closed fixation device structure; Figure 2 This is a schematic diagram of the puncture cone structure; Figure 3 This is a schematic diagram of the elastic telescopic component structure; Figure 4 This is a schematic diagram of the tensioning component structure; Figure 5 This is a schematic diagram of the barbed nail structure; Figure 6 This is a schematic diagram of the rotary transmission assembly structure; Figure 7 for Figure 6 Schematic diagram of the structure at point A in the middle.

[0019] The attached diagram lists the components represented by each number as follows: 1. Piercing cone, 2. Movable rod, 3. Elastic telescopic component, 301. Groove, 302. First spring, 303. Slider, 4. Barb, 401. Block, 402. Chamfer, 403. First pull rope, 5. Pull ring, 6. Inner cavity, 7. First bearing, 8. Tensioning component, 9. Reel, 901. Connecting rope, 902. Connecting ring, 10. Second bearing, 11. Splicing groove, 12. Annular groove, 13. Tooth, 14. Elastic clip, 15. Placement groove, 1501. Clip, 1502. Second spring, 1503. Annular channel, 16. Rotary transmission component, 17. Inner toothed ring, 1701. Second pull rope, 1702.

[0020] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0021] The invention will now be described in further detail with reference to the accompanying drawings.

[0022] Please see Figure 1-7 As shown, this embodiment provides an abdominal wall puncture hole closure and fixation device, including: a puncture cone 1, a movable rod 2 fixedly connected to one side of the puncture cone 1, a plurality of elastic telescopic components 3 arranged around the puncture cone 1, and barbed nails 4 connected to the ends of the plurality of elastic telescopic components 3. The puncture cone 1 is provided with a tensioning component 9 connected to multiple elastic telescopic components 3. The puncture cone 1 is provided with a first pull rope 5 connected to the tensioning component 9. A pull ring 6 is fixedly connected to the end of the first pull rope 5. One end of the piercing cone 1 is provided with a splicing groove 12, and multiple elastic clips 15 are provided on the outer periphery of the splicing groove 12. A rotary transmission component 17 connected to the multiple elastic clips 15 is provided on one side of the splicing groove 12. Multiple teeth 14 that drive the rotary transmission component 17 are fixedly connected to the periphery of the end of the movable rod 2. An annular groove 13 that engages with the multiple elastic clips 15 is provided on the periphery of the movable rod 2.

[0023] The puncture cone 1 at the end of the movable rod 2 allows for precise positioning of the abdominal wall puncture hole, providing a stable support for subsequent closure and fixation procedures. Multiple elastic telescopic components 3 and connected barbs 4 are arranged around the puncture cone 1. After puncturing into the tissue surrounding the puncture hole, the barbs 4 effectively embed into the tissue, enhancing the connection stability between the closure device and the abdominal wall tissue, preventing displacement of the closure device during use, and thus ensuring the closure effect. The tensioning component 9 inside the puncture cone 1, along with the connected first pull rope 5 and pull ring 6, provides the operator with a flexible way to control the extension and retraction of the elastic telescopic component 3. When it is necessary to implant or remove the closure device, pulling the pull ring 6, with the help of the first pull rope 5, drives the tensioning component 9, thereby controlling the contraction of the elastic telescopic component 3, causing the barbs 4 to retract, reducing damage to surrounding tissues, facilitating operation, and also reducing additional pain for the patient. The splicing groove 12 at one end of the puncture cone 1, together with multiple elastic clips 15 on the outer periphery, the rotary transmission assembly 17, and multiple teeth 14 and annular grooves 13 on the periphery of the end of the movable rod 2, forms a unique splicing and locking mechanism. This design enables reliable splicing and fixation between the movable rod 2 and the puncture cone 1. During the operation, the position of the movable rod 2 can be adjusted according to actual needs, and the rotary transmission assembly 17 drives the elastic clips 15 to engage with the annular grooves 13, ensuring that the movable rod 2 is stably in the required position. This meets the adjustment requirements for the length of the closure fixator in different surgical scenarios, improving the applicability and flexibility of the equipment. Furthermore, the unique block 401, chamfer 402, and opening 403 structure of the barbed nail 4, the combined design of the groove 301, slider 303, and first spring 302 in the elastic telescopic component 3, and the coordination of the reel 901, connecting rope 902, and related bearings and connecting rings in the tensioning component 9 are all carefully designed. The coordinated work of each component ensures that the abdominal wall puncture hole closure and fixation device of the present invention can efficiently and safely close and fix the abdominal wall puncture hole, effectively solving the problems of unsatisfactory closure effect, complicated operation, or additional damage to the patient in the prior art, and providing a strong guarantee for the safe and smooth performance of laparoscopic surgery.

[0024] like Figure 5 As shown, the barbed nail 4 in this embodiment includes a block 401, a chamfer 402 formed on one side of the block 401, and an opening 403 formed on the other side of the block 401.

[0025] The chamfer 402 design reduces the resistance of the barb 4 when it is inserted into the tissue, making the insertion process smoother and reducing damage to the patient's tissue. The opening 403 allows the barb 4 to better engage with the surrounding tissue after insertion, enhancing its fixation stability and preventing the barb 4 from slipping out of the tissue, thus effectively ensuring the sealing and fixation of the abdominal wall puncture hole.

[0026] like Figure 3-4 As shown, the elastic telescopic component 3 of this embodiment includes a groove 301 formed on the periphery of the puncture cone 1, a slider 303 located in the groove 301, and a first spring 302 fixedly connected between the slider 303 and the groove 301. A block 401 is fixedly connected to one side of the slider 303. The puncture cone 1 is provided with an inner cavity 7 that communicates with multiple grooves 301. The tensioning component 9 includes a reel 901 that is rotatably fitted in the inner cavity 7. Connecting ropes 902 are fixedly connected to the periphery of the reel 901 and multiple sliders 303. A connecting ring 10 is fixedly connected to one side of the reel 901. One end of the first pull rope 5 is fixedly connected to the periphery of the connecting ring 10, and the first pull rope 5 is sleeved on the periphery of the connecting ring 10. The end of the first pull rope 5 penetrates the puncture cone 1.

[0027] When the operator pulls the first pull rope 5, it will drive the connecting ring 10 to rotate, which will cause the reel 901 to rotate in the inner cavity 7. During the rotation of the reel 901, it will pull the slider 303 through the connecting rope 902, causing the slider 303 to slide in the groove 301 and compress the first spring 302. At this time, the block 401 moves with the slider 303, thereby realizing the telescopic function of the elastic telescopic component 3 to adapt to different sizes of abdominal wall puncture holes. When the first pull rope 5 is released, the elastic force of the first spring 302 will push the slider 303 to slide in the opposite direction in the groove 301. The slider 303 drives the reel 901 to rotate in the opposite direction through the connecting rope 902, so that the entire elastic telescopic component 3 returns to its initial state.

[0028] like Figure 4 As shown, in this embodiment, a first bearing 8 is fixedly connected to the inner side of the inner cavity 7, and the reel 901 and the connecting ring 10 are both fixedly connected to the outer side of the first bearing 8. By setting the first bearing 8, the friction between the reel 901 and the connecting ring 10 and the inner side of the inner cavity 7 during rotation can be effectively reduced, making the rotation of the reel 901 and the connecting ring 10 smoother, improving the operational flexibility and stability of the entire device, and also helping to extend the service life of the device.

[0029] like Figure 6-7As shown, the elastic locking member 15 in this embodiment includes a placement groove 1501 formed on the periphery of the splicing groove 12, a locking block 1502 located in the placement groove 1501 and engaged with the annular locking groove 13, and a second spring 1503 disposed between the locking block 1502 and the placement groove 1501. The locking block 1502 cooperates with the rotary transmission assembly 17. The cross-sections of the locking block 1502 and the annular locking groove 13 are trapezoidal. An annular channel 16 is formed on the periphery of the splicing groove 12. The rotary transmission assembly 17 includes an internal toothed ring 1701 that slides in the annular channel 16 and meshes with a plurality of teeth 14, and a second pull rope 1702 connected between the internal toothed ring 1701 and the plurality of locking blocks 802. The second pull rope 1702 is located inside the second spring 1503.

[0030] When the movable rod 2 is rotated via the rotary transmission assembly 17, the internal gear ring 1701 meshes with multiple teeth 14 on the periphery of the end of the movable rod 2. The rotation of the internal gear ring 1701 drives the second pull rope 1702 to move. The second pull rope 1702 then pulls the locking block 1502, causing the locking block 1502 to retract into the placement groove 1501 against the elastic force of the second spring 1503. At this time, the locking block 1502 separates from the annular groove 13, and the movable rod 2 can be adjusted in position relative to the piercing cone 1. Once the movable rod 2 is adjusted to the desired position, the rotation of the internal toothed ring 1701 stops. The elastic force of the second spring 1503 will push the locking block 1502 out of the placement slot 1501 and re-engage with the annular locking groove 13, thus achieving reliable fixation of the movable rod 2 and the puncture cone 1. This method of controlling the engagement or disengagement of the locking block 1502 with the annular locking groove 13 by rotating the internal toothed ring 1701 is simple to operate and stable and reliable, and can meet the needs of rapid and accurate adjustment of the length of the closure fixator during surgery.

[0031] like Figure 6 As shown, in this embodiment, a second bearing 11 is provided on the inner side of the annular channel 16, and an internal gear ring 1701 is provided on the inner side of the second bearing 11.

[0032] By setting the second bearing 11, the internal gear ring 1701 can rotate more smoothly and stably in the annular groove 16, effectively reducing the frictional resistance during rotation. This further improves the smoothness and precision of the operation of rotating the internal gear ring 1701 to control the engagement or disengagement of the locking block 1502 and the annular locking groove 13, thereby better ensuring the efficiency and reliability of adjusting the length of the closure fixator during surgery.

[0033] To improve the sealing effect of an abdominal wall puncture hole closure fixation device, two embodiments are provided.

[0034] Example 1: The barbed nail 4 is a closed component made of a flexible and tissue-adherent material. This material can make good contact with the abdominal wall tissue, achieving a sealing effect while reducing damage such as cutting or pulling to the surrounding tissue.

[0035] In this embodiment, a special fixation mechanism is set in the external part of the closure fixator. The fixation mechanism consists of an adjustable fixation clip and an anti-slip pad. The fixation clip can be flexibly adjusted according to the thickness of the patient's abdominal wall and the needs of the operation. The closure fixator is firmly fixed to the abdominal wall by tightening screws and other means. The anti-slip pad further enhances the stability of the fixation and prevents the instrument from shifting during the operation. In addition, to ensure unimpeded use of surgical instruments, the channel design of the closure fixator has been carefully optimized. The inner diameter of the channel is moderate, which can ensure the smooth passage of surgical instruments while maintaining good sealing. At the same time, the inner wall of the channel is made of a smooth material, which reduces the frictional resistance between the instruments and the channel, allowing the surgical instruments to enter and exit the abdominal cavity more smoothly, greatly improving the convenience and efficiency of the surgical operation and providing a strong guarantee for the smooth progress of the operation.

[0036] Example 2: The closure fixator in this embodiment adopts a unique automatic closure design. After the operation, the preset elastic device inside the closure fixator is triggered, and the elastic material inside it quickly recovers its deformation, causing the closing component to automatically move towards the center of the incision, gradually reducing the size of the incision opening until the incision is initially closed. At the same time, the closure fixator is also equipped with a suture guiding device. During the automatic closure process, this device will accurately guide the reserved suture through the tissue at the edge of the incision, so that the suture can be accurately distributed around the incision. After the closing component completes the initial closure, medical staff only need to perform a simple knotting operation according to the pre-arranged sutures to achieve precise suturing, effectively reducing the probability of incisional hernia.

[0037] For incisions larger than the puncture hole after artificial dilation, this embodiment features a specially designed material and structure for the sealing component to achieve the same sealing effect. The sealing component uses a polymer material with good elasticity and conformability. This material can not only fit tightly to the abdominal wall tissue, but also adaptively adjust according to the size and shape of the incision. Structurally, the edge of the sealing component is designed to be wavy. This special shape can increase the contact area between the sealing component and the abdominal wall tissue, and at the same time form multiple sealing defenses during the contact process. When the sealing component comes into contact with the abdominal wall tissue, the wavy edge will be tightly embedded in the gaps of the tissue, effectively preventing the leakage of gas and liquid, thereby achieving the same or even better sealing effect as the puncture hole.

[0038] This invention is not limited to the embodiments described above. Anyone should understand that structural changes made under the guidance of this invention, and any technical solutions that are the same as or similar to this invention, fall within the protection scope of this invention. Technical aspects, shapes, and structures not described in detail in this invention are all publicly known technologies.

Claims

1. A puncture-hole sealing and fixing device for the abdominal wall, characterized in that, include: A puncture cone (1) is fixedly connected to a movable rod (2) on one side. Multiple elastic telescopic components (3) are provided around the puncture cone (1), and barbs (4) are connected to the ends of the multiple elastic telescopic components (3). The puncture cone (1) is provided with a tensioning component (9) connected to a plurality of elastic telescopic components (3), and the puncture cone (1) is provided with a first pull rope (5) connected to the tensioning component (9), and a pull ring (6) is fixedly connected to the end of the first pull rope (5). The puncture cone (1) has a splicing groove (12) at one end, and multiple elastic clips (15) are provided on the outer periphery of the splicing groove (12). A rotary transmission assembly (17) connected to the multiple elastic clips (15) is provided on one side of the splicing groove (12). Multiple teeth (14) that drive the rotary transmission assembly (17) are fixedly connected to the periphery of the end of the movable rod (2). An annular groove (13) that engages with the multiple elastic clips (15) is provided on the periphery of the movable rod (2).

2. The abdominal wall puncture hole sealing and fixing device according to claim 1, characterized in that, The barb (4) includes a block (401), a chamfer (402) on one side of the block (401), and an opening (403) on the other side of the block (401).

3. The abdominal wall puncture hole sealing and fixing device according to claim 1, characterized in that, The elastic telescopic component (3) includes a groove (301) formed on the periphery of the puncture cone (1), a slider (303) located in the groove (301), a first spring (302) fixedly connected between the slider (303) and the groove (301), and the block (401) fixedly connected to one side of the slider (303).

4. The abdominal wall puncture hole sealing and fixing device according to claim 2, characterized in that, The puncture cone (1) has an inner cavity (7) that communicates with the multiple grooves (301). The tensioning assembly (9) includes a reel (901) that is rotatably fitted in the inner cavity (7). A connecting rope (902) is fixedly connected between the reel (901) and the multiple sliders (303).

5. The abdominal wall puncture hole sealing and fixing device according to claim 3, characterized in that, A connecting ring (10) is fixedly connected to one side of the reel (901), one end of the first pull rope (5) is fixedly connected to the circumference of the connecting ring (10), and the first pull rope (5) is sleeved on the circumference of the connecting ring (10), and the end of the first pull rope (5) passes through the piercing cone (1).

6. The abdominal wall puncture hole sealing and fixing device according to claim 3, characterized in that, The inner cavity (7) is fixedly connected to the first bearing (8), and the reel (901) and the connecting ring (10) are both fixedly connected to the outside of the first bearing (8).

7. The abdominal wall puncture hole sealing and fixing device according to claim 1, characterized in that, The elastic locking member (15) includes a placement groove (1501) formed around the splicing groove (12), a locking block (1502) located in the placement groove (1501) and engaging with the annular locking groove (13), and a second spring (1503) disposed between the locking block (1502) and the placement groove (1501). The locking block (1502) cooperates with the rotary transmission assembly (17).

8. The abdominal wall puncture hole sealing and fixing device according to claim 2, characterized in that, The cross-sections of the card block (1502) and the annular card slot (13) are trapezoidal.

9. The abdominal wall puncture hole sealing and fixing device according to claim 2, characterized in that, The splicing groove (12) has an annular groove (16) on its periphery. The rotary transmission assembly (17) includes an internal toothed ring (1701) that slides inside the annular groove (16) and meshes with a plurality of teeth (14), and a second pull rope (1702) connecting the internal toothed ring (1701) and a plurality of locking blocks (802). The second pull rope (1702) is located inside the second spring (1503).

10. The abdominal wall puncture hole sealing and fixing device according to claim 1, characterized in that, The inner side of the annular channel (16) is provided with a second bearing (11), and the internal gear ring (1701) is provided inside the second bearing (11).

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