Positive-pressure washing intervertebral disc reamer for spinal surgery under double-channel endoscope

Abstract

The utility model discloses a double-channel endoscopic spinal surgery positive pressure washing intervertebral disc reamer which comprises a hollow pipeline, a connecting part is clamped on the outer ring surface of the hollow pipeline in a limiting mode, a reamer head is inserted on the inner ring surface of the connecting part in a limiting mode, and a lantern ring is sleeved on the outer ring surface of the hollow pipeline in a limiting mode. A connecting ring is fixedly connected to the upper surface of the hollow pipeline, a connecting frame is fixedly connected to the front surface of the lantern ring, a fixing block is fixedly connected to the front surface of the lantern ring, a nut is fixedly connected to the side edge surface of the fixing block, and a threaded rod is inserted into the inner ring surface of the nut in a limiting mode; a first inserting opening is formed in the inner ring of the lantern ring. According to the device, the hollow pipeline is arranged and enables water to flow out smoothly, vortex is eliminated, it is guaranteed that the surgical field is clear, stable water flow in the direction from an endoscope to a reamer head is formed, and intervertebral disc tissue floating after smashing is prevented from shielding a lens.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the surgical disc reamer technical direction, specifically relates to a kind of double-channel endoscopic spinal surgery positive pressure flush intervertebral disc reamer. BACKGROUND

[0002] The intervertebral disc reamer used in open surgery uses reamers of gradually increasing size to scrape out intervertebral disc tissue, and the user needs to update and upgrade the intervertebral disc reamer for use to adapt to different use scenarios.

[0003] The existing problems of the prior art are as follows:

[0004] 1. The existing intervertebral disc reamer on the market cannot flush out the intervertebral disc tissue scraped out by the reamer under double-channel endoscopy, and needs to replace the forceps for cleaning, which is time-consuming and increases the soft tissue damage of the operation hole.

[0005] 2. The existing intervertebral disc reamer on the market blocks the endoscopic view of the intervertebral disc tissue after being crushed and floating, and the existing reamer affects the water flow out of the operation hole, and the view is not clear when bleeding occurs, which affects the operation. INVENTION CONTENTS

[0006] The utility model aims at the existing device a kind of double-channel endoscopic spinal surgery positive pressure flush intervertebral disc reamer to solve the problems raised in the above background.

[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of double-channel endoscopic spinal surgery positive pressure flush intervertebral disc reamer, including hollow pipe, the outer circle surface of the hollow pipe is limitingly connected with connecting part, the inner circle surface of the connecting part is limitingly inserted with reamer head.

[0008] The outer circle surface of the hollow pipe is limitingly sleeved with a collar, the upper surface of the hollow pipe is fixedly connected with a connecting ring, and the front surface of the collar is fixedly connected with a connecting frame.

[0009] The front surface of the collar is fixedly connected with a fixed block, the side surface of the fixed block is fixedly connected with a nut, the inner circle surface of the nut is limitingly inserted with a threaded rod, and the inner circle of the collar is provided with a first insertion opening.

[0010] The surface of the connecting ring is provided with a mounting opening, and the mounting opening is arranged around the connecting ring as a center point.

[0011] The mounting opening around the connecting ring as a center point in the above technical scheme can facilitate the user to use bolts to limit the installation of the connecting ring.

[0012] The utility model further illustrates that the inner ring surface of the connecting part is provided with a clamping opening, and the size of the clamping opening and the hollow pipe matches each other.

[0013] The clamping opening matching in size with the hollow pipe in the scheme can facilitate the user to connect the hollow pipe and the connecting part.

[0014] The utility model further illustrates that the inner ring surface of the connecting part is provided with a second plug-in opening, and the structure of the second plug-in opening and the reamer head matches each other.

[0015] The second plug-in opening matching in structure with the reamer head in the scheme can facilitate the user to connect the connecting part and the reamer head.

[0016] The utility model further illustrates that the fixed block connects the nut and the collar, and the fixed block is symmetrically arranged up and down with the horizontal line of the nut as the symmetric axis.

[0017] The fixed block arranged up and down with the horizontal line of the nut as the symmetric axis in the scheme can facilitate the user to connect the nut and the collar.

[0018] The utility model further illustrates that the side surface of the collar is fixedly connected with a handle, and the handle is symmetrically arranged with the vertical center line of the hollow pipe as the symmetric axis.

[0019] The handle arranged with the vertical center line of the hollow pipe as the symmetric axis in the scheme can facilitate the user to operate the hollow pipe.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The utility model provides a kind of double channel endoscopic spinal surgery positive pressure flush intervertebral disc reamer, and through the mutual cooperation and use of the cooperation of hollow conduit, handle, connecting ring, mounting opening, collar, connecting part, reamer head, mounting opening, connecting frame, fixed block, nut, threaded rod, first plug-in opening and second plug-in opening that are set, it can be used for user to use intervertebral disc reamer, when user needs to use, user needs to sleeve flush conduit on connecting ring, so that user can use the positive pressure of flush water, and the intervertebral disc tissue stirred by reamer is flushed out along hollow conduit, significantly improve surgical efficiency, reduce the soft tissue damage of operation hole caused by repeated entry and exit of surgical instrument, the product is composed of a group of 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 size 8 hollow tube reamers, corresponding reamer head with width 6mm to 13mm respectively, head blunt round, it prevents damage to dura mater and nerve, and the length of connecting part is 10mm, and the width is 1.5mm, and it is connected with reamer head, and gradually widened to 3mm, and connected with hollow tube, wherein hollow conduit is 120mm long, and the outer diameter is 9mm, and the inner diameter is 7mm.4, wherein handle 2 is 90mm long and 10mm wide, and the middle hole is communicated with hollow conduit, after exposure of intervertebral disc under endoscope, according to the width of intervertebral space, 6-13 size reamer is used to stir intervertebral disc step by step, and the positive pressure of flush water can flush the broken intervertebral disc tissue along hollow conduit during stirring process, to meet the use demand of user that can flush;

[0022] The utility model provides a kind of double channel endoscopic spinal surgery positive pressure flush intervertebral disc reamer, and through the mutual cooperation and use of the cooperation of hollow conduit, handle, connecting ring, mounting opening, collar, connecting part, reamer head, mounting opening, connecting frame, fixed block, nut, threaded rod, first plug-in opening and second plug-in opening that are set, it can be used for user to use intervertebral disc reamer, when user needs to use, user needs to sleeve flush conduit on connecting ring, so that user can use the positive pressure of flush water, and the intervertebral disc tissue stirred by reamer is flushed out along hollow conduit, significantly improve surgical efficiency, reduce the soft tissue damage of operation hole caused by repeated entry and exit of surgical instrument, the product is composed of a group of 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13 size 8 hollow tube reamers, corresponding reamer head with width 6mm to 13mm respectively, head blunt round, it prevents damage to dura mater and nerve, and the length of connecting part is 10mm, and the width is 1.5mm, and it is connected with reamer head, and gradually widened to 3mm, and connected with hollow tube, wherein hollow conduit is 120mm long, and the outer diameter is 9mm, and the inner diameter is 7mm.4, wherein handle 2 is 90mm long and 10mm wide, and the middle hole is communicated with hollow conduit, after exposure of intervertebral disc under endoscope, according to the width of intervertebral space, 6-13 size reamer is used to stir intervertebral disc step by step, and the positive pressure of flush water can flush the broken intervertebral disc tissue along hollow conduit during stirring process, to meet the use demand of user that can flush. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0024] Figure 1 It is the overall structure schematic diagram of the utility model;

[0025] Figure 2 It is the structure top view of the utility model;

[0026] Figure 3 It is the structure side sectional view of the utility model;

[0027] Figure 4 It is the structure of the utility model Figure 2 The structure enlarged view in A of the utility model;

[0028] Figure 5 is a structure bottom view of the utility model.

[0029] In the figure: 1, hollow pipe; 2, handle; 3, connecting ring; 4, installation opening; 5, collar; 6, connecting part; 7, reamer head; 8, clamping opening; 9, connecting frame; 10, fixed block; 11, nut; 12, threaded rod; 13, first plug-in opening; 14, second plug-in opening. DETAILED DESCRIPTION

[0030] The utility model discloses technical scheme is further non-restrictive detailed description of the technical scheme of the utility model with preferred embodiment and its drawings. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of the utility model protection.

[0031] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of double-channel endoscopic spinal surgery positive pressure flushing intervertebral disc reamer, connecting part 6 is clamped to the outer circle surface of hollow pipe 1 with limit, reamer head 7 is inserted to the inner circle surface of connecting part 6 with limit, collar 5 is sleeved to the outer circle surface of hollow pipe 1 with limit, connecting ring 3 is fixedly connected to the upper surface of hollow pipe 1.

[0032] In the embodiment, installation opening 4 is arranged on the surface of connecting ring 3, and the installation opening 4 is arranged around the connecting ring 3 as a center point. The installation opening 4 arranged around the connecting ring 3 as a center point can facilitate the user to limit and install the connecting ring 3 with bolts. The inner circle surface of the connecting part 6 is provided with a clamping opening 8, and the size of the clamping opening 8 and the hollow pipe 1 is matched with each other. The clamping opening 8 matched in size with the hollow pipe 1 can facilitate the user to connect the hollow pipe 1 and the connecting part 6.

[0033] Embodiment 2

[0034] As Figures 1-5 shown, on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the front surface of the collar 5 is fixedly connected with the connecting frame 9, the front surface of the collar 5 is fixedly connected with the fixed block 10, and the side surface of the fixed block 10 is fixedly connected with the nut 11.

[0035] In this embodiment, a second plug-in opening 14 is provided on the inner ring surface of the connecting portion 6, and the second plug-in opening 14 and the reamer head 7 are structurally matched with each other. The second plug-in opening 14, which is structurally matched with the reamer head 7, can facilitate the user to connect the connecting portion 6 and the reamer head 7. The fixing block 10 connects the nut 11 and the collar 5, and the fixing block 10 is symmetrically arranged with the horizontal dividing line of the nut 11 as the axis of symmetry. The fixing block 10 is symmetrically arranged with the horizontal dividing line of the nut 11 as the axis of symmetry. The fixing block 10 is symmetrically arranged with the horizontal dividing line of the nut 11 as the axis of symmetry, which can facilitate the user to connect the nut 11 and the collar 5.

[0036] Example 3

[0037] like Figures 1-5 As shown, based on Example 1 and Example 2, the present invention provides a technical solution: preferably, a threaded rod 12 is inserted into the inner ring surface of the nut 11 in a limited position, and a first plug-in opening 13 is opened in the inner ring of the collar 5.

[0038] In this embodiment, a handle 2 is fixedly connected to the side surface of the ring 5, and the handle 2 is symmetrically arranged with the vertical center line of the hollow pipe 1 as the symmetry axis. The handle 2 symmetrically arranged with the vertical center line of the hollow pipe 1 as the symmetry axis can facilitate the user to use and operate the hollow pipe 1.

[0039] like Figures 1-5 As shown, when the user needs to use it, the user needs to sleeve the flushing pipe on the connecting ring 3, so that the user can use the positive pressure of the flushing water to flush out the intervertebral disc tissue crushed by the reamer along the hollow pipe, significantly improving the efficiency of the operation and reducing the damage to the soft tissue of the operation hole caused by repeated entry and exit of surgical instruments. In this way, the user can use it for flushing, and the hollow pipe 1 is set to make the water outlet unobstructed, eliminate vortexes, ensure a clear surgical field of view, and form a stable water flow from the endoscope to the reamer head 7, preventing This prevents floating disc tissue from obscuring the lens after crushing, allowing the user to perform a clear surgical procedure. This product consists of a set of eight sizes of hollow tube reamers, 6 / 7 / 8 / 9 / 10 / 11 / 12 / 13, corresponding to reamer heads 7 with widths ranging from 6mm to 13mm. The heads are blunt and rounded to prevent damage to the dura mater and nerves. The connecting portion 6 is 10mm long and 1.5mm wide, connecting to the reamer head and gradually widening to 3mm to connect to the hollow tube. The hollow tube 1 is 120mm long, with an outer diameter of 9mm and an inner diameter of 7mm. The handle 2 is 90mm long and 10mm wide, with a central opening connecting to the hollow tube 1. After endoscopically exposing the intervertebral disc, the disc is crushed step by step using reamers of appropriate sizes, 6-13, according to the width of the intervertebral space.

[0040] In the description of the utility model, need understanding is, the term "upper", "lower", "front", "back", "left", "right" and so on indicated orientation or position relation is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model, and is not indicating or suggesting the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the limitation to the utility model.

[0041] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, but not limit them. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A dual channel endoscopic spinal surgery positive pressure irrigation disc reamer, comprising a hollow conduit (1), characterized in that: The outer surface of the hollow pipe (1) is limited by a connecting part (6), and the inner surface of the connecting part (6) is limited by a reamer head (7) in a plug-in manner. The outer surface of the hollow pipe (1) is limited by a sleeve ring (5) in a sleeve manner, and the upper surface of the hollow pipe (1) is fixedly connected with a connecting ring (3). The front surface of the sleeve ring (5) is fixedly connected with a connecting frame (9), and the front surface of the sleeve ring (5) is fixedly connected with a fixed block (10), the side surface of the fixed block (10) is fixedly connected with a nut (11), the inner surface of the nut (11) is limited by a threaded rod (12) in a plug-in manner, and the inner surface of the sleeve ring (5) is provided with a first plug-in opening (13).

2. The dual channel endoscopic spinal surgery positive pressure irrigation disc reamer of claim 1, wherein: The surface of the connecting ring (3) is provided with a mounting opening (4), and the mounting opening (4) is arranged around the connecting ring (3) as a center point.

3. The dual channel endoscopic spinal surgery positive pressure irrigation disc reamer of claim 1, wherein: The inner surface of the connecting part (6) is provided with a clamping opening (8), and the size of the clamping opening (8) and the hollow pipe (1) is matched with each other.

4. The dual channel endoscopic spinal surgery positive pressure irrigation disc reamer of claim 1, wherein: The inner surface of the connecting part (6) is provided with a second plug-in opening (14), and the structure of the second plug-in opening (14) and the reamer head (7) is matched with each other.

5. The dual channel endoscopic spinal surgery positive pressure irrigation disc reamer of claim 1, wherein: The fixed block (10) connects the nut (11) and the sleeve ring (5), and the fixed block (10) is symmetrically arranged above and below the horizontal bisector of the nut (11) as an axis of symmetry.

6. The dual channel endoscopic spinal surgery positive pressure irrigation disc reamer of claim 1, wherein: The side surface of the sleeve ring (5) is fixedly connected with a handle (2), and the handle (2) is symmetrically arranged with the vertical center line of the hollow pipe (1) as an axis of symmetry.

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