A disposable bilaterally inserted fiber ring suture device

Abstract

The utility model relates to the technical field of medical devices, and discloses a disposable bilaterally inserted fiber ring suturing device, comprising: a handle, a suturing needle tube and a suturing push rod; one end of the suturing needle tube is a needle tip, and the other end is connected to the handle, the interior of the suturing needle tube is hollow, and the suturing push rod is slidably arranged inside the suturing needle tube; a storage body is arranged on the suturing needle tube, and a left slider and a right slider sliding along the axial direction of the suturing needle tube are arranged inside the storage body, and a through groove for a fixed body to enter the interior of the suturing needle tube is arranged between the left slider and the right slider, and a suture is connected to the fixed body and is pushed and moved by the suturing push rod. The suturing device of the utility model is provided with a storage body on the suturing needle tube, and a second fixed body is pre-placed in the storage body, so that one suturing device can sew and fix the fiber rings on both sides of the rupture at the same time, which is simpler to operate and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a disposable bilaterally inserted fiber ring suture device. Background Art

[0002] With the development of spinal surgery over the years, the design of various spinal surgery medical devices is very clever. Doctors can use smaller incisions to complete minimally invasive spinal surgery more accurately. However, the recurrence rate of minimally invasive surgery has gradually increased in recent years. The reason is that intervertebral disc herniation can cause a rupture in the annulus fibrosus. During surgery, the protruding nucleus pulposus needs to be removed from the rupture to improve the symptoms. Previous surgeries usually did not suture the rupture, but with the continuous improvement of awareness, most surgeries now require additional annulus fibrosus suture after minimally invasive lumbar surgery. The disposable annulus fibrosus suture device can go deep into the incision after the nucleus pulposus is removed and suture the annulus fibrosus crack left after the resection with one needle at a time, restoring the natural state of the patient's intervertebral disc, which is almost zero damage to the human body. The current manual annulus fibrosus suture device requires two suture devices for suturing once during surgery. First, a suture with a coil is placed on the left side of the annulus fibrosus, and then the second suture is inserted into the annulus fibrosus after the first coil, and finally knotted and sutured. The steps are cumbersome and the operation is difficult. It is not easy for doctors to operate during surgery. Utility Model Content

[0003] The utility model provides a disposable bilaterally inserted fiber ring suturing device, which overcomes the disadvantage that two suturing devices need to be used simultaneously when suturing the fiber ring.

[0004] A disposable bilaterally inserted fiber ring suturing device comprises: a handle, a suturing needle tube and a suturing push rod;

[0005] One end of the suture needle tube is a needle tip, and the other end is connected to the handle. The interior of the suture needle tube is hollow, and the suture push rod is slidably arranged inside the suture needle tube;

[0006] A storage body is provided on the suture needle tube, and a left slider and a right slider which slide along the axial direction of the suture needle tube are provided inside the storage body, a through groove is provided between the left slider and the right slider for a fixed body to enter the inside of the suture needle tube, a suture is connected to the fixed body and is pushed and moved by a suture push rod.

[0007] Furthermore, a pressing handle is provided on the storage body, the pressing handle is arranged perpendicular to the suture needle tube, the pressing handle is movably connected to the fixed body, and pushes the fixed body to move radially relative to the suture needle tube.

[0008] Furthermore, spring holes are provided on the left slider and the right slider, and springs are arranged in the spring holes. The outer ends of the springs are connected to the inner wall of the storage body, and the left slider and the right slider are pushed to reset by the springs.

[0009] Furthermore, a limiting slide groove is provided at the top of the left slider and the right slider, and a limiting column is arranged in the limiting slide groove, so that the moving distance of the left slider and the right slider is limited by the limiting column.

[0010] Furthermore, a clamping ring groove is arranged on the inner wall of the suture needle tube, and a push rod stopper is arranged on the outer wall of the suture push rod, and the push rod stopper is matched with the clamping ring groove.

[0011] Furthermore, a cylindrical tube is arranged at the end of the handle, and a thread passing groove is provided on the cylindrical tube, and the suture passes through the thread passing groove and enters the interior of the suture needle tube.

[0012] Furthermore, the handle is also connected to a locking buckle, a docking plug-in block is arranged on the locking buckle, a docking slot is arranged on the handle, and the docking plug-in block is inserted into the docking slot.

[0013] Furthermore, a push rod positioning block is sleeved on the outer side of the handle of the suturing push rod, and two ends of the push rod positioning block are movably connected to the handle and the locking buckle respectively.

[0014] The utility model has the following beneficial effects: the suturing device of the utility model is provided with a storage body on the suturing needle tube, and a second fixing body is pre-placed in the storage body, so that one suturing device can suturing and fixing the fiber rings on both sides of the rupture at the same time, which is simpler to operate and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0017] Figure 3 It is a schematic axial cross-sectional view of the device of the utility model;

[0018] Figure 4 It is a partial enlarged view of the cross-sectional structure of the storage body in the utility model;

[0019] Figure 5 This is a positional relationship diagram of the left slider and the right slider in the utility model.

[0020] In the figure: 1-handle; 10-cylindrical tube; 101-wire groove; 11-winding block; 12-docking slot; 2-locking buckle; 20-docking block; 21-push rod positioning block; 3-suture needle tube; 30-storage body; 31-left slider; 311-limiting slide groove; 312-limiting column; 313-spring hole; 32-right slider; 33-pressing handle; 34-second fixed body; 35-snapping ring groove; 4-suture push rod; 40-push rod stopper; 5-first fixed body. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] refer to Figure 1 and Figure 2 The utility model provides a disposable bilaterally inserted fiber ring suturing device, comprising: a handle 1, a suturing needle tube 3 and a suturing push rod 4.

[0023] One end of the suture needle tube 3 is a needle tip, and the other end is plugged and connected to the handle 1, which serves to fix the suture needle tube 3. The outer wall diameter of the suture needle tube 3 near the needle tip is smaller than that of the other parts, and this section is bent to facilitate passing through the incision at the surgical site. The interior of the suture needle tube 3 is hollow, and the suture push rod 4 is slidably arranged inside the suture needle tube 3.

[0024] refer to Figures 3 to 5 The suture needle tube 3 is provided with a storage body 30, which is a part of the suture needle tube 3 and protrudes from the rod-shaped part of the suture needle tube 3. The storage body 30 is provided with a cavity for sliding a left slider 31 and a right slider 32, which are respectively arranged above the suture push rod 4 and do not contact the suture push rod 4. The left slider 31 and the right slider 32 both slide along the axial direction of the suture needle tube 3. The storage body 30 between the left slider 31 and the right slider 32 is provided with a through groove for the fixed body to enter the interior of the suture needle tube 3; since the fiber ring suture device of this embodiment is a disposable product, the fixed body is two identical pieces, which are referred to as the first fixed body 5 and the second fixed body 34. The first fixed body 5 is directly arranged inside the suture needle tube 3, and the second fixed body 34 is usually placed above the left slider 31 and the right slider 32. When it is needed, the left slider 31 and the right slider 32 are squeezed to enter the interior of the suture needle tube 3. The first fixed body 5 and the second fixed body 34 are both provided with thread holes for the suture to pass through, and the suture is driven to move when the fixed body moves. The movement of the fixed body is achieved by pushing the suture push rod 4.

[0025] The second fixed body 34 enters the interior of the suture needle tube 3 from above the left slider 31 and the right slider 32 through the pressing handle 33. The pressing handle 33 is arranged on the storage body 30, and the pressing handle 33 is arranged perpendicular to the suture needle tube 3. The lower end of the pressing handle 33 is a U-shaped ring structure (the second fixed body 34 is cylindrical in this embodiment. When the second fixed body 34 is other structures, the pressing handle 33 can be set to a structure matching it), which is stuck on the outer wall of the second fixed body 34. When the pressing handle 33 is pressed downward, the second fixed body 34 squeezes the left slider 31 and the right slider 32 under the push of the pressing handle 33 and falls into the interior of the suture needle tube 3. Since the pressing handle 33 is movably connected to the second fixed body 34, when the second fixed body 34 enters the interior of the suture needle tube 3, the pressing handle 33 will not enter the interior of the suture needle tube 3.

[0026] The top surface of the left slider 31 and the right slider 32 is divided into an inclined arc structure, and a limiting groove 311 is provided on the top of the left slider 31 and the right slider 32. A limiting column 312 is arranged in the limiting groove 311. The limiting column 312 is generally an integrated structure with the storage body 30. Taking the left slider 31 as an example, when the limiting column 312 slides from the left side of the limiting groove 311 to the right side, the left slider 31 slides to the left and the moving distance of the left slider 31 is limited by the limiting column 312.

[0027] A spring hole 313 is provided on the left slider 31 and the right slider 32, and a spring is arranged in the spring hole 313. The outer end of the spring is connected to the inner wall of the storage body 30. When the second fixed body 34 squeezes the left slider 31 and the right slider 32 apart, the spring is compressed. When the second fixed body 34 enters the interior of the suture needle tube 3, the compressed spring rebounds and pushes the left slider 31 and the right slider 32 to return to their original position.

[0028] In order to limit the moving distance of the suture push rod 4 inside the suture needle tube 3, a snap ring groove 35 is provided on the inner wall of the suture needle tube 3, and a push rod stopper 40 is provided on the outer wall of the suture push rod 4. The push rod stopper 40 is adapted to the snap ring groove 35 and is stuck in the snap ring groove 35. Generally, the push rod stopper 40 is a protruding annular structure.

[0029] Reference again Figure 1 and Figure 2 A cylindrical tube 10 is provided at the end of the handle 1, and a wire passing groove 101 is provided on the cylindrical tube 10. A wire winding block 11 is also provided on the outer wall of the handle 1. The suture is wound and stored by the wire winding block 11, and the suture passes through the wire passing groove 101 and enters the interior of the suture needle tube 3. The wire passing groove 101 is a triangular notch structure.

[0030] The handle 1 is also connected to a locking buckle 2, on which a docking plug block 20 is provided, and a docking slot 12 is provided on the handle 1, in which the docking plug block 20 is plugged, and the suture push rod 4 is limited by the locking buckle 2. The handle of the suture push rod 4 is stuck on the slot wall of the locking buckle 2, and when it is necessary to push the first fixed body 5 or the second fixed body 34, the locking buckle 2 is removed to push the suture push rod 4 forward.

[0031] In order to maintain the stable connection between the locking buckle 2 and the handle 1 , a push rod positioning block 21 is sleeved on the outer side of the handle of the suturing push rod 4 , and the two ends of the push rod positioning block 21 are movably connected to the handle 1 and the locking buckle 2 respectively.

[0032] The outer wall of the handle 1 is also provided with anti-slip textures, so that the user can grip it stably when using it.

[0033] The suture and the fixing body in this embodiment are made of the same ultra-high molecular weight polyethylene material and processed by thermal curing, so they are light in weight and low in cost.

[0034] The steps of using the suturing device of the utility model are as follows:

[0035] (1) Remove the suture wound on the winding block 11, and remove the retaining buckle 2 after the needle tip of the suture needle tube 3 passes through the left / right fiber ring;

[0036] (2) pushing the suture push rod 4 to push out the first fixing body 5, and then retracting the suture push rod 4 to the limit position;

[0037] (3) Press the pressure handle 33 to place the second fixing body 34 into the suture needle tube 3, pass the needle tip through the right fiber ring, and push the suture push rod 4 again to push the second fixing body 34 out;

[0038] (4) At this time, there are two sutures on the outside of the sutured wound, which are tightened and knotted to complete the suturing.

[0039] The above is only a preferred embodiment of the utility model, which does not represent all possible forms of the utility model, and the protection scope of the utility model is not limited to such special statements and embodiments. According to the technical inspirations disclosed by the utility model, various other modifications and improvements that do not deviate from the essence of the utility model are made, and these modifications and improvements are still within the protection scope of the utility model.

Claims

1. A disposable bilateral insertion annulus fiber suture device, characterized in that: include: A handle (1), a suture needle tube (3) and a suture push rod (4); One end of the suture needle tube (3) is a needle tip, and the other end is connected to the handle (1); the interior of the suture needle tube (3) is hollow, and the suture push rod (4) is slidably arranged inside the suture needle tube (3); The suture needle tube (3) is provided with a storage body (30), and a left slider (31) and a right slider (32) are provided inside the storage body (30) and slide along the axial direction of the suture needle tube (3). A through groove is provided between the left slider (31) and the right slider (32) so that a fixed body can enter the inside of the suture needle tube (3). Sutures are connected to the fixed body and are pushed and moved by the suture push rod (4).

2. The disposable bilateral insertion annulus fiber suture device according to claim 1, characterized in that: The storage body (30) is provided with a pressing handle (33), which is arranged perpendicular to the suture needle tube (3). The pressing handle (33) is movably connected to the fixed body and pushes the fixed body to move radially relative to the suture needle tube (3).

3. The disposable bilateral insertion annulus fiber suture device according to claim 1, characterized in that: The left slider (31) and the right slider (32) are both provided with a spring hole (313), and a spring is arranged in the spring hole (313). The outer end of the spring is connected to the inner wall of the storage body (30), and the left slider (31) and the right slider (32) are pushed to reset by the spring.

4. The disposable bilateral insertion annulus fiber suture device according to claim 1, characterized in that: A limiting sliding groove (311) is provided at the top of the left sliding block (31) and the right sliding block (32), and a limiting column (312) is arranged in the limiting sliding groove (311), and the moving distance of the left sliding block (31) and the right sliding block (32) is limited by the limiting column (312).

5. The disposable bilateral insertion annulus fiber suture device according to claim 1, characterized in that: A snap ring groove (35) is provided on the inner wall of the suture needle tube (3), and a push rod stopper (40) is provided on the outer wall of the suture push rod (4), wherein the push rod stopper (40) is matched with the snap ring groove (35).

6. The disposable bilateral insertion annulus fiber suture device according to claim 1, characterized in that: A cylindrical tube (10) is provided at the end of the handle (1), and a wire passing groove (101) is provided on the cylindrical tube (10), and the suture passes through the wire passing groove (101) and enters the interior of the suture needle tube (3).

7. The disposable bilateral annulus fiber suture device according to any one of claims 1 to 6, characterized in that: The handle (1) is also connected to a locking buckle (2), a docking plug block (20) is provided on the locking buckle (2), a docking slot (12) is provided on the handle (1), and the docking plug block (20) is plugged into the docking slot (12).

8. The disposable bilateral insertion annulus fiber suture device according to claim 7, characterized in that: A push rod positioning block (21) is sleeved on the outer side of the handle of the suturing push rod (4), and two ends of the push rod positioning block (21) are movably connected to the handle (1) and the locking buckle (2) respectively.

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