Minimally invasive fascia stitching instrument
By using the design of ratchet clamping and slider pulling ring in the minimally invasive fascia stapler, the muscle pain caused by severe wound cracking before suture is solved, achieving a more stable and comfortable suture effect.
Patent Information
- Application Number
- CN202420888452.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-26
AI Technical Summary
When the wound cracking before suture is severe, existing minimally invasive fascia stapler is prone to pulling the suture, resulting in greater muscle pain.
The ratchet racks are stuck in contact with each other, and the muscles on both sides of the wound are pulled close before suturing to provide a good suture foundation. The smooth movement of the slider and the release of the slider are achieved through the design of the slider and pull ring.
It effectively reduces the pain during the suture process, provides better suture effect, and improves the stability and comfort of suture.
Smart Images
Figure CN222640526U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical appliances, in particular to a minimally invasive fascia suturing device. Background Art
[0002] Laparoscopic surgery is a newly developed minimally invasive surgical method. Compared with traditional surgery, it has the advantages of small incision, quick recovery and less pain. It is an inevitable trend in the development of future surgical methods. Currently, more and more patients are undergoing treatment with this surgery.
[0003] Among them, the current technology has an authorization announcement number of CN218960821 U, which proposes a minimally invasive fascia suturing device, which includes a guide and a puncture needle, wherein a puncture channel and a guide channel are arranged in the guide; the puncture channel is used for the puncture needle to be inserted, and the guide channel is used for the suture to pass through; a suture cavity is opened at the lower end of the guide, and the suture cavity is located on the path of the puncture channel, and is used for skin tissue to be filled on the suture cavity, the lower end of the guide channel passes through the puncture channel, and the guide channel extends to the outer wall of the guide; a perforation is opened at the bottom of the puncture needle, and when the lower end of the puncture needle abuts against the lower end of the puncture channel, the perforation is located in the path of the guide channel.
[0004] However, this solution can easily cause the pulling of the sutures and cause great muscle pain when the wound is severely cracked before suturing. For this reason, we propose a minimally invasive fascia suture device. Utility Model Content
[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a minimally invasive fascia suture device, which uses ratchet bars to engage with each other to pull the muscles on both sides of the wound closer together before suturing, providing a good foundation for needle and thread suturing, reducing the pain of suturing for patients, and can effectively solve the problems in the background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a minimally invasive fascia suture device, comprising a skin patch, a connecting unit and a clamping unit;
[0007] Skin patch: There are two patches, which are attached to both sides of the wound respectively;
[0008] The connection unit comprises a mounting block, a clamping block, a sliding square through hole, a sliding through slot and a sliding strip. The mounting block is fixedly connected to the middle of the left end of the upper surface of the left skin patch, and the clamping block is fixedly connected to the middle of the left side of the upper surface of the right skin patch. A transverse sliding square through hole is provided on the rear side of the clamping block, and a sliding through slot is provided on the middle of the front side of the sliding square through hole. The sliding strip is slidably connected to the sliding square through hole.
[0009] Card-connecting unit: installed inside the sliding groove.
[0010] The mounting block is used for mounting the slide bar, the sliding square through hole on the clamping block maintains the sliding connection of the slide bar, the slide bar is used for mounting the ratchet bar, and the sliding through groove is used for the sliding connection and mounting of the ratchet bar.
[0011] Furthermore, the connection unit further includes a first pulling ring, and the right end of the slide bar is fixedly connected to the first pulling ring.
[0012] The first pulling ring facilitates manual pulling of the slide bar.
[0013] Furthermore, the connecting unit also includes a ratchet bar and a reverse ratchet bar. The front side of the sliding bar is fixedly connected to the ratchet bar. The ratchet bar is laterally slidably connected to the sliding slot. The sliding slot is clamped to the reverse ratchet bar. The reverse ratchet bar is connected to the clamping block through the clamping unit. The reverse ratchet bar is longitudinally slidably connected to the sliding slot.
[0014] The ratchet bar and the reverse ratchet bar form a single-phase snap-in, which makes it easy to keep the slider moving to the right and snaps when moving to the left.
[0015] Furthermore, the clamping unit includes a sliding column, a spring and a second pulling ring. The middle part of the front side of the clamping block is slidably connected to the sliding column, the rear end of the sliding column is fixedly connected to the reverse ratchet bar, the outer side of the sliding column is fixedly connected to the spring, the two ends of the spring can be distinguishably fixedly connected to the clamping block and the reverse ratchet bar, and the front end of the sliding column is fixedly connected to the second pulling ring.
[0016] The slide column is used to stabilize the state of the spring while maintaining the sliding connection of the reverse ratchet bar. The stabilizing spring maintains the engagement between the reverse ratchet bar and the ratchet bar under the action of elastic potential energy, and the second pulling ring facilitates pulling the slide column to release the engagement.
[0017] Furthermore, it also includes suture through holes, and suture through holes are respectively opened on both sides of the ends of the two skin patches that are away from each other, and the opening directions of the suture through holes are respectively inclined toward the wound direction.
[0018] The suture through hole is used for passing the suture needle.
[0019] Furthermore, it also includes a suture needle, wherein the right end of the suture needle is provided with an opening and connected with a suture thread.
[0020] Suture needles are used for suturing.
[0021] Compared with the prior art, the beneficial effects of the present invention are: the minimally invasive fascia suture device has the following advantages:
[0022] 1. The minimally invasive fascia suture device has a sliding bar on the left side of the upper opening that is slidably connected to a sliding square through hole on the right side, and at the same time, the front side of the sliding bar is fixedly connected to a ratchet bar, and the ratchet bar and the reverse ratchet bar form a snap connection, so that a preliminary suture is formed at the initial stage of the upper opening.
[0023] 2. For this minimally invasive fascia suture device, if the clamping is too tight and causes the upper opening to be squeezed, the second pulling ring can be pulled to release the clamping, and the slide bar moves back under the push of the muscle.
[0024] 3. This minimally invasive fascia suture device uses a curved suture needle to penetrate the suture through hole to suture the wound as the skin patch that adheres to the skin gradually fails. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the structure of the utility model;
[0026] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0027] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.
[0028] In the figure: 1 skin patch, 2 connecting unit, 21 mounting block, 22 snap-in block, 23 sliding square through hole, 24 sliding through groove, 25 sliding bar, 26 ratchet bar, 27 reverse ratchet bar, 28 first pulling ring, 3 snap-in unit, 31 sliding column, 32 spring, 33 second pulling ring, 4 suture through hole, 5 suture needle. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-3 , This embodiment provides a technical solution: a minimally invasive fascia suture device, comprising a skin patch 1, a connecting unit 2 and a clamping unit 3;
[0031] Skin patch 1: two skin patches 1 are provided, and the two skin patches 1 are respectively pasted on both sides of the wound;
[0032] The connection unit 2 comprises a mounting block 21, a clamping block 22, a sliding square through hole 23, a sliding through groove 24 and a sliding bar 25. The mounting block 21 is fixedly connected to the middle of the left end of the upper surface of the skin patch 1 on the left side, and the clamping block 22 is fixedly connected to the middle of the left side of the upper surface of the skin patch 1 on the right side. A transverse sliding square through hole 23 is provided on the rear side of the clamping block 22, and a sliding through groove 24 is provided in the middle of the front side of the sliding square through hole 23. The sliding bar 25 is slidably connected to the sliding square through hole 23;
[0033] The clamping unit 3 is installed inside the sliding groove 24 .
[0034] The clamping unit 3 includes a slide post 31, a spring 32 and a second pulling ring 33. The front middle part of the clamping block 22 is slidably connected to the slide post 31, the rear end of the slide post 31 is fixedly connected to the reverse ratchet bar 27, the outer side of the slide post 31 is fixedly connected to the spring 32, the two ends of the spring 32 can be distinguishably fixedly connected to the clamping block 22 and the reverse ratchet bar 27, and the front end of the slide post 31 is fixedly connected to the second pulling ring 33.
[0035] The slide post 31 is used to stabilize the state of the spring 32 while maintaining the sliding connection of the reverse ratchet bar 27. The stabilizing spring 32 maintains the engagement between the reverse ratchet bar 27 and the ratchet bar 26 under the action of elastic potential energy, and the second pulling ring 33 facilitates pulling the slide post 31 to release the engagement.
[0036] The mounting block 21 is used to mount the slide bar 25 , the sliding square through hole 23 on the clamping block 22 maintains the sliding connection of the slide bar 25 , the slide bar 25 is used to mount the ratchet bar 26 , and the sliding through groove 24 is used for sliding connection and mounting the ratchet bar 26 .
[0037] The connecting unit 2 further includes a first pulling ring 28 , and the right end of the sliding bar 25 is fixedly connected to the first pulling ring 28 .
[0038] The first pulling ring 28 facilitates manual pulling of the slide bar 25 .
[0039] The connecting unit 2 also includes a ratchet bar 26 and a reverse ratchet bar 27. The front side of the sliding bar 25 is fixedly connected to the ratchet bar 26. The ratchet bar 26 is laterally slidably connected to the sliding slot 24. The sliding slot 24 is clamped with the reverse ratchet bar 27. The reverse ratchet bar 27 is connected to the clamping block 22 through the clamping unit 3. The reverse ratchet bar 27 is longitudinally slidably connected to the sliding slot 24.
[0040] The ratchet bar 26 and the reverse ratchet bar 27 form a single-phase clamping connection, which makes it easy to keep the slide bar 25 moving to the right and clamping when moving to the left.
[0041] The suture through holes 4 are also included. The suture through holes 4 are respectively opened on both sides of the ends of the two skin patches 1 that are away from each other. The opening directions of the suture through holes 4 are respectively inclined toward the wound direction.
[0042] The suture through hole 4 is used for the suture needle 5 to pass through.
[0043] The device further comprises a suture needle 5, the right end of which is provided with an opening and connected with a suture thread.
[0044] The suture needle 5 is used for suturing.
[0045] The working principle of a minimally invasive fascia suture device provided by the utility model is as follows:
[0046] The mounting block 21 is used to mount the slide bar 25, the sliding square through hole 23 on the clamping block 22 maintains the sliding connection of the slide bar 25, the slide bar 25 is used to mount the ratchet bar 26, and the sliding through groove 24 is used to slide and mount the ratchet bar 26. The first pulling ring 28 facilitates manual pulling of the slide bar 25. The ratchet bar 26 and the reverse ratchet bar 27 form a single-phase clamping connection, which makes it easy to keep the slide bar 25 moving to the right, and the north clamping connection when moving to the left.
[0047] The slide post 31 is used to stabilize the state of the spring 32 while maintaining the sliding connection of the reverse ratchet bar 27. The stabilizing spring 32 maintains the engagement between the reverse ratchet bar 27 and the ratchet bar 26 under the action of elastic potential energy, and the second pulling ring 33 facilitates pulling the slide post 31 to release the engagement.
[0048] The suture through hole 4 is used for passing a suture needle 5. The suture needle 5 is used for suture.
[0049] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A minimally invasive fascia suture device, characterized in that: It comprises a skin patch (1), a connecting unit (2) and a snap-on unit (3); Skin patch (1): two skin patches (1) are provided, and the two skin patches (1) are respectively attached to the two sides of the wound; The connection unit (2) comprises a mounting block (21), a clamping block (22), a sliding square through hole (23), a sliding through groove (24) and a sliding bar (25); the mounting block (21) is fixedly connected to the middle of the left end of the upper surface of the left skin patch (1); the clamping block (22) is fixedly connected to the middle of the left upper surface of the right skin patch (1); a transverse sliding square through hole (23) is provided on the rear side of the clamping block (22); a sliding through groove (24) is provided on the middle of the front side of the sliding square through hole (23); and the sliding bar (25) is slidably connected to the sliding square through hole (23); The clamping unit (3) is installed inside the sliding groove (24).
2. The minimally invasive fascia suture device according to claim 1, characterized in that: The connecting unit (2) further comprises a first pulling ring (28), and the right end of the sliding bar (25) is fixedly connected to the first pulling ring (28).
3. The minimally invasive fascia suture device according to claim 2, characterized in that: The connecting unit (2) further comprises a ratchet bar (26) and a reverse ratchet bar (27); the front side of the sliding bar (25) is fixedly connected to the ratchet bar (26); the ratchet bar (26) is slidably connected to the sliding slot (24) in a transverse direction; the sliding slot (24) is clamped to the reverse ratchet bar (27); the reverse ratchet bar (27) is connected to the clamping block (22) via the clamping unit (3); and the reverse ratchet bar (27) is slidably connected to the sliding slot (24) in a longitudinal direction.
4. The minimally invasive fascia suture device according to claim 3, characterized in that: The clamping unit (3) comprises a slide post (31), a spring (32) and a second pulling ring (33); the front middle part of the clamping block (22) is slidably connected to the slide post (31); the rear end of the slide post (31) is fixedly connected to the reverse ratchet bar (27); the outer side of the slide post (31) is fixedly connected to the spring (32); the two ends of the spring (32) can be distinguishably fixedly connected to the clamping block (22) and the reverse ratchet bar (27); and the front end of the slide post (31) is fixedly connected to the second pulling ring (33).
5. The minimally invasive fascia suture device according to claim 4, characterized in that: It also comprises suture through holes (4), wherein the suture through holes (4) are respectively provided on both sides of the ends of the two skin patches (1) which are away from each other, and the opening directions of the suture through holes (4) are respectively inclined towards the direction of the wound.
6. The minimally invasive fascia stapler according to claim 5, characterized in that: It also comprises a suture needle (5), the right end of which is provided with an opening and connected with a suture thread.