Fusion cage holder

Abstract

The invention relates to a fusion cage holder, and relates to the field of medical instruments. The fusion cage holder comprises a handle, an inner sleeve, an outer sleeve, a holding rod and a control cap, one end of the inner sleeve is connected with the handle, and two oppositely-arranged limiting protrusions are arranged on the outer wall of the other end of the inner sleeve and used for being connected with limiting grooves of the fusion cage in a clamped mode; one end of the holding rod is provided with a connecting protrusion with external threads and used for being connected with a threaded hole of the fusion cage, and the other end of the holding rod penetrates through the handle and the inner sleeve to be connected with the control cap. The inner sleeve is sleeved with the outer sleeve, one end of the outer sleeve is movably connected with the inner sleeve, the other end of the outer sleeve is provided with two oppositely-arranged closed protrusions, the two closed protrusions are located on the two sides of the two limiting protrusions respectively, the length of the closed protrusions is larger than that of the limiting protrusions, the closed protrusions are used for covering the opening of the fusion cage, and the closed protrusions are elastic. By means of the fusion cage holding device, the technical problem that in the prior art, grafted bones in a fusion cage are prone to falling off is solved.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular, to a fusion device holder. Background Art

[0002] Currently, in some fusion surgeries, doctors often need to implant artificial bone or autologous bone in the fusion cage. However, when implanting the fusion cage, the bone graft in the fusion cage often falls off, which can easily lead to adverse consequences such as non-fusion or false fusion after surgery. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a fusion device holder to alleviate the technical problem of easy detachment of the bone graft in the fusion device in the prior art.

[0004] In order to solve the above technical problems, the technical solution provided by the present invention is:

[0005] The fusion device holder provided by the present invention comprises a handle, an inner sleeve, an outer sleeve, a holding rod and a control cap;

[0006] One end of the inner sleeve is connected to the handle, and the outer wall of the other end is provided with two oppositely arranged limiting protrusions, and the limiting protrusions are used to engage with the limiting grooves of the fusion device;

[0007] One end of the holding rod is provided with a connecting protrusion with an external thread for connecting with the threaded hole of the fusion device, and the other end of the holding rod passes through the handle and the inner sleeve and is connected with the control cap;

[0008] The outer sleeve is sleeved with the inner sleeve, and one end is movably connected to the inner sleeve, and the other end is provided with two oppositely arranged closing protrusions, the two closing protrusions are respectively located on both sides of the two limiting protrusions, the length of the closing protrusion is greater than the length of the limiting protrusion, and is used to cover the opening of the fusion device, and the closing protrusion is elastic.

[0009] Furthermore, the closed protrusion includes a connecting section and a closed section, one end of the connecting section is connected to the outer sleeve, and the other end is connected to the closed section, the width of the connecting section is smaller than the width of the closed section, and the distance between the two connecting sections of the two closed protrusions is unchanged;

[0010] The distance between the two closed sections of the two closed protrusions gradually decreases from one end close to the connecting section to one end far away from the connecting section.

[0011] Furthermore, the connecting section and the closed section are connected via a transition section, and the distance between the two transition sections gradually decreases from one end close to the connecting section to one end far away from the connecting section.

[0012] Furthermore, one end of the closed section away from the connecting section is configured to be arc-shaped.

[0013] Furthermore, the outer wall of the inner sleeve is provided with a first connection plane, the first connection plane is provided with a plurality of mounting holes, and the plurality of mounting holes are arranged at intervals along the axial direction of the inner sleeve;

[0014] The inner wall of the outer sleeve is provided with a second connecting plane, the second connecting plane abuts against the first connecting plane, and is installed with an elastic member and a rolling member, one end of the elastic member is connected to the second connecting plane, and the other end is connected to the rolling member, and the rolling member is inserted into any one of the mounting holes.

[0015] Furthermore, the outer sleeve comprises an outer sleeve body and a connecting portion;

[0016] The inner wall of the connecting portion is provided with the second connecting plane, and the connecting portion is sleeved on the outer sleeve body, and the outer sleeve body is connected to the connecting portion.

[0017] Furthermore, a movable groove is provided at one end of the holding rod close to the control cap, the movable groove is arranged around the circumference of the holding rod, and the length direction of the movable groove extends along the axial direction of the holding rod;

[0018] The handle is provided with a movable rod, and the movable rod passes through the handle and abuts against the bottom wall of the movable groove.

[0019] Furthermore, the outer sleeve is provided with a plurality of first disinfection holes, and the plurality of first disinfection holes are arranged at intervals along the circumferential direction and the axial direction of the outer sleeve;

[0020] The inner sleeve is provided with a plurality of second disinfection holes, and the plurality of second disinfection holes are arranged at intervals along the circumference and axial direction of the inner sleeve;

[0021] At least one of the second disinfection holes is staggered with the plurality of the first disinfection holes.

[0022] Furthermore, the wall thickness of the limiting protrusion gradually increases from an end close to the inner sleeve to an end far away from the inner sleeve.

[0023] Furthermore, the handle includes a sleeve portion, a transfer portion and a hand-held portion;

[0024] The inner wall of the sleeve portion is connected to the inner sleeve and to the adapter portion;

[0025] The adapter portion is sleeved on the inner sleeve and connected to the hand-held portion, and the axis of the hand-held portion and the axis of the sleeve portion are arranged at an angle.

[0026] Based on the above technical solutions, the technical effects that can be achieved by the present invention are analyzed as follows:

[0027] The fusion device holder provided by the present invention comprises a handle, an inner sleeve, an outer sleeve, a holding rod and a control cap; one end of the inner sleeve is connected to the handle, and the outer wall of the other end is provided with two relatively arranged limiting protrusions, and the limiting protrusions are used to be clamped with the limiting groove of the fusion device; one end of the holding rod is provided with a connecting protrusion with an external thread, which is used to be connected to the threaded hole of the fusion device, and the other end of the holding rod passes through the handle and the inner sleeve and is connected to the control cap; the outer sleeve is sleeved with the inner sleeve, and one end is movably connected to the inner sleeve, and the other end is provided with two relatively arranged closing protrusions, which are respectively located on both sides of the two limiting protrusions, and the length of the closing protrusion is greater than the length of the limiting protrusion, which is used to cover the opening of the fusion device, and the closing protrusion is elastic.

[0028] The inner sleeve is connected to the handle, and the outer sleeve is movably connected to the inner sleeve, and the inner sleeve provides support and fixation for the outer sleeve; and the end of the inner sleeve is provided with two limiting protrusions which are engaged with the limiting grooves of the fusion device, so as to realize the initial connection between the fusion device holder and the fusion device, and limit the rotation of the fusion device to prevent the fusion device from rotating around the fusion device holder.

[0029] A connecting protrusion is provided at the end of the holding rod, and the connecting protrusion is threadedly connected to the threaded hole of the fusion device to realize the connection between the fusion device holder and the fusion device; and, after the holding rod passes through the inner sleeve and the handle, it is connected to the control cap, so that the connecting protrusion can be threadedly connected to the threaded hole by controlling the rotation of the control cap.

[0030] The outer sleeve is movably connected to the inner sleeve, so that the outer sleeve can move axially, so that the fusion device holder can match fusion devices of different sizes, and can be moved back before and after the holding rod is connected to the fusion device, and pushed forward after the holding rod is connected to the fusion device so that the closing protrusion covers the fusion device; and because the end of the outer sleeve facing away from the closing protrusion is connected to the inner sleeve, the connection between the outer sleeve and the inner sleeve is prevented from being close to the closing protrusion, which affects the use of the fusion device holder. The outer sleeve is provided with a closing protrusion, which can cover the opening of the fusion device to prevent the bone graft from falling off; and the closing protrusion is elastic, so that the closing protrusion fits tightly with the side wall of the fusion device, thereby improving the sealing effect of the opening.

[0031] When using the fusion device holder, first retract the outer sleeve to the rear; then engage the limiting protrusion with the limiting groove of the fusion device, and screw the connecting protrusion into the threaded hole of the fusion device; finally, push the outer sleeve forward to a suitable position so that the closing protrusion covers the opening of the fusion device, which can effectively prevent the bone graft from falling off.

[0032] The fusion cage holder can stabilize the bone graft and keep the bone graft fixed in the fusion cage to prevent it from falling off during implantation. It is simple and convenient to operate, shortens the operation time, increases the surgical fusion rate, improves the safety of the operation, reduces the patient's pain and is beneficial to the patient's recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 Schematic diagram of the structure of the fusion device holder provided in the embodiment of the present application Figure 1 ;

[0035] Figure 2 Schematic diagram of the structure of the fusion device holder provided in the embodiment of the present application Figure 2 ;

[0036] Figure 3 A schematic diagram of the internal structure of a fusion device holder provided in an embodiment of the present application;

[0037] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0038] Figure 5 A schematic diagram of the structure of a fusion device in a fusion device holder provided in an embodiment of the present application;

[0039] Figure 6 Schematic diagram of the structure of the outer sleeve of the fusion device holder provided in the embodiment of the present application Figure 1 ;

[0040] Figure 7 Schematic diagram of the structure of the outer sleeve of the fusion device holder provided in the embodiment of the present application Figure 2 ;

[0041] Figure 8 A schematic diagram of the structure of a holding member in a fusion device holder provided in an embodiment of the present application;

[0042] Fig. 9 for Figure 8 A partial enlarged view of point B in the middle;

[0043] Fig.10 This is a schematic structural diagram of the inner sleeve in the fusion device holder provided in an embodiment of the present application.

[0044] icon:

[0045] 100-handle; 110-movable rod; 120-sleeve connection part; 130-adapter part; 140-hand-held part;

[0046] 200-inner sleeve; 210-limiting protrusion; 220-first connecting plane; 221-mounting hole; 230-second disinfection hole;

[0047] 300-outer sleeve; 310-closed protrusion; 311-connecting section; 312-transition section; 313-closed section; 320-through hole; 330-elastic member; 340-rolling member; 350-outer sleeve body; 360-connecting part; 370-first disinfection hole; 380-first positioning pin;

[0048] 400 - holding rod; 410 - connecting protrusion; 420 - movable groove; 430 - connecting through hole; 440 - second positioning pin;

[0049] 500-control cap; 510-hammering protrusion;

[0050] 600-fusion device; 610-limiting groove; 620-threaded hole; 630-opening. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0052] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0053] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] At present, in some fusion surgeries, doctors often need to implant artificial bone or autologous bone in the fusion device 600. When implanting the fusion device 600, the bone graft in the fusion device 600 often falls off, which can easily cause adverse consequences such as postoperative non-fusion or false fusion in the patient. Therefore, there is an urgent need for a holder that can keep the bone graft from falling off to improve this situation.

[0055] In view of this, see Figures 1 to 10 The fusion device holder provided in the embodiment of the present invention comprises a handle 100, an inner sleeve 200, an outer sleeve 300, a holding rod 400 and a control cap 500; one end of the inner sleeve 200 is connected to the handle 100, and the outer wall of the other end is provided with two oppositely arranged limiting protrusions 210, and the limiting protrusions 210 are used to be clamped with the limiting grooves 610 of the fusion device 600; one end of the holding rod 400 is provided with a connecting protrusion 410 with an external thread, which is used to be connected with the threaded hole 620 of the fusion device 600, The other end of the holding rod 400 passes through the handle 100 and the inner sleeve 200 and is connected to the control cap 500; the outer sleeve 300 is sleeved with the inner sleeve 200, and one end is movably connected with the inner sleeve 200, and the other end is provided with two oppositely arranged closing protrusions 310, the two closing protrusions 310 are respectively located on both sides of the two limiting protrusions 210, the length of the closing protrusions 310 is greater than the length of the limiting protrusions 210, and is used to cover the opening 630 of the fusion device 600, and the closing protrusions 310 are elastic. When using the fusion device holder, firstly, the outer sleeve 300 is withdrawn to the rear; then the limiting protrusion 210 is clamped with the limiting groove 610 of the fusion device 600, and the connecting protrusion 410 is screwed into the threaded hole 620 of the fusion device 600; finally, the outer sleeve 300 is pushed forward to a suitable position so that the closing protrusion 310 covers the opening 630 of the fusion device 600, which can effectively prevent the bone graft from falling off.

[0056] The inner sleeve 200 is connected to the handle 100, and the outer sleeve 300 is movably connected to the inner sleeve 200, and the inner sleeve 200 provides support and fixation for the outer sleeve 300; and the end of the inner sleeve 200 is provided with two limiting protrusions 210 that are engaged with the limiting grooves 610 of the fusion device 600, so as to realize the preliminary connection between the fusion device holder and the fusion device 600, and limit the rotation of the fusion device 600 to prevent the fusion device 600 from rotating around the fusion device holder. The end of the holding rod 400 is provided with a connecting protrusion 410, and the connecting protrusion 410 is threadedly connected with the threaded hole 620 of the fusion device 600 to realize the connection between the fusion device holder and the fusion device 600; and the holding rod 400 passes through the inner sleeve 200 and the handle 100 and is connected to the control cap 500, so as to realize that the connecting protrusion 410 can be threadedly connected with the threaded hole 620 by controlling the rotation of the control cap 500. The outer sleeve 300 is movably connected to the inner sleeve 200, so that the outer sleeve 300 can move axially, so that the fusion device holder can match the fusion devices 600 of different sizes, and can be moved back before and after the holding rod 400 is connected to the fusion device 600, and after the holding rod 400 is connected to the fusion device 600, it is pushed forward so that the closing protrusion 310 covers the fusion device 600; and, because the end of the outer sleeve 300 away from the closing protrusion 310 is connected to the inner sleeve 200, it is prevented that the connection between the outer sleeve 300 and the inner sleeve 200 is close to the closing protrusion 310 to affect the use of the fusion device holder. The outer sleeve 300 is provided with a closing protrusion 310, which can cover the opening 630 of the fusion device 600 to prevent the bone graft from falling off; and, the closing protrusion 310 is elastic, so that the closing protrusion 310 and the side wall of the fusion device 600 are closely fitted, thereby improving the sealing effect of the opening 630. The fusion device holder can stabilize the bone graft and keep the bone graft fixed in the fusion device 600 during implantation so that it does not fall off. The device is simple and convenient to operate, shortens the operation time, increases the surgical fusion rate, improves the safety of the operation, reduces the patient's pain and facilitates the patient's recovery.

[0057] The structure of the fusion device 600 is described in detail below:

[0058] In an optional solution of the embodiment of the present invention, a threaded hole 620 and two limiting grooves 610 are provided at one end of the fusion device 600 , and the threaded hole 620 is located between the two limiting grooves 610 ; and openings 630 are provided on both surfaces of the fusion device 600 .

[0059] Specifically, see Figure 5The fusion device 600 is rectangular in shape as a whole, and a threaded hole 620 is provided in the middle of one short side end, and a limiting groove 610 is provided on both sides; both sides of the fusion device 600 are provided with an opening 630 connected to the inside, which is used to place bone graft inside the fusion device 600. In addition, the four sides of the fusion device 600 are connected by rounded transition. In this embodiment, the threaded hole 620 and the limiting groove 610 are both connected to the inside of the fusion device 600, and the depth of the threaded hole 620 and the limiting groove 610 is increased, thereby increasing the contact area between the fusion device holder and the fusion device 600, increasing the connection strength, and improving the stability of holding.

[0060] The threaded hole 620 of the fusion device 600 is used for threaded connection with the connecting protrusion 410 , and the limiting groove 610 is used for clamping with the limiting protrusion 210 .

[0061] The structure of the outer sleeve 300 in the fusion device holder is described in detail below:

[0062] In the optional solution of the embodiment of the present invention, see Figure 6 and Figure 7 The closed protrusion 310 includes a connecting section 311 and a closing section 313. One end of the connecting section 311 is connected to the outer sleeve 300, and the other end is connected to the closing section 313. The width of the connecting section 311 is smaller than the width of the closing section 313, and the distance between the two connecting sections 311 of the two closed protrusions 310 remains unchanged; the distance between the two closing sections 313 of the two closed protrusions 310 gradually decreases from one end close to the connecting section 311 to the end far away from the connecting section 311.

[0063] Specifically, in this embodiment, the sealing protrusion 310 is made of stainless steel to make it elastic.

[0064] The width of the closing section 313 is greater than the width of the connecting section 311, so that the closing section 313 can completely cover the opening 630 of the fusion device 600 to prevent the bone graft from falling off. The distance between the two closing sections 313 gradually decreases, so that the two closing sections 313 can clamp the fusion device 600 to improve the sealing effect.

[0065] In an optional solution of the embodiment of the present invention, the connecting section 311 and the closed section 313 are connected by a transition section 312 , and the distance between the two transition sections 312 gradually decreases from one end close to the connecting section 311 to the end far from the connecting section 311 .

[0066] Specifically, the closed section 313 has an arc, and the two closed sections 313 are concave in a direction away from each other. The width of the transition section 312 gradually increases from the end close to the connecting section 311 to the end close to the closed section 313. Furthermore, the closed section 313, the transition section 312 and the connecting section 311 are integrally formed.

[0067] The connecting section 311 and the closed section 313 are connected via the transition section 312 to achieve a transition connection between the two, thereby avoiding problems such as the connection between the two being easily broken.

[0068] In an optional solution of the embodiment of the present invention, one end of the closed section 313 away from the connecting section 311 is configured to be arc-shaped.

[0069] Specifically, the head end of the closing segment 313 is configured to be arc-shaped to match the end shape of the fusion device 600 and to prevent the head end of the closing segment 313 from causing damage to nerves or muscles at the surgical site.

[0070] In an optional scheme of an embodiment of the present invention, a first connecting plane 220 is provided on the outer wall of the inner sleeve 200, and a plurality of mounting holes 221 are provided on the first connecting plane 220, and the plurality of mounting holes 221 are arranged at intervals along the axial direction of the inner sleeve 200; a second connecting plane is provided on the inner wall of the outer sleeve 300, and the second connecting plane abuts against the first connecting plane 220, and an elastic member 330 and a rolling member 340 are installed thereon, one end of the elastic member 330 is connected to the second connecting plane, and the other end is connected to the rolling member 340, and the rolling member 340 is inserted into any one of the mounting holes 221.

[0071] Specifically, the rolling element 340 is set as a steel ball, and the elastic element 330 is set as a spring; the second connecting plane is provided with a through hole 320, and the screw is threadedly connected to the through hole 320; one end of the spring is connected to the screw, and the other end is abutted against the steel ball; when installing, first put the steel ball and the spring into the outer sleeve 300 in sequence, and then screw the screw into the through hole 320 to facilitate the installation of the steel ball and the spring. The mounting hole 221 is set to be hemispherical. The first connecting plane 220 abuts against the second connecting plane to fix the relative angle between the outer sleeve 300 and the inner sleeve 200 to prevent the outer sleeve 300 from rotating around the inner sleeve 200.

[0072] The tail of the outer sleeve 300 is installed with a steel ball and a spring. The steel ball can be pressed into the mounting hole 221, so that the outer sleeve 300 has a blocking effect when being pushed, and can stay at different positions, so that the fusion device holder can match fusion devices 600 of different lengths and cover bone grafting chamber openings 630 of different lengths.

[0073] In an optional solution of the embodiment of the present invention, the outer sleeve 300 includes an outer sleeve body 350 and a connecting portion 360 ; the inner wall of the connecting portion 360 is provided with a second connecting plane, and the outer sleeve body 350 is sleeved with the connecting portion 360 , and the outer sleeve body 350 is connected to the connecting portion 360 .

[0074] Specifically, in the present application, the outer sleeve body 350 is connected to the connecting portion 360 via a first positioning pin 380 , and the first positioning pin 380 passes through the outer sleeve body 350 and the connecting portion 360 and abuts against the outer wall of the inner sleeve 200 .

[0075] The connecting portion 360 is provided with a second connecting plane, which facilitates processing of the second connecting plane; the outer sleeve body 350 is connected to the connecting portion 360 to achieve a movable connection between the outer sleeve 300 and the inner sleeve 200.

[0076] In an optional scheme of an embodiment of the present invention, the outer sleeve 300 is provided with a plurality of first disinfection holes 370, and the plurality of first disinfection holes 370 are arranged at intervals along the circumference and axial direction of the outer sleeve 300; the inner sleeve 200 is provided with a plurality of second disinfection holes 230, and the plurality of second disinfection holes 230 are arranged at intervals along the circumference and axial direction of the inner sleeve 200; at least one second disinfection hole 230 is staggered with the plurality of first disinfection holes 370.

[0077] Specifically, the first disinfection hole 370 and the second disinfection hole 230 are both arranged in a long strip shape, and the length directions of the first disinfection hole 370 and the second disinfection hole 230 are arranged along the axial direction of the inner sleeve 200. At least one second disinfection hole 230 is staggered with multiple first disinfection holes 370, which means that at least one second disinfection hole 230 does not correspond to multiple first disinfection holes 370. In this embodiment, multiple second disinfection holes 230 are staggered and connected with multiple first disinfection holes 370 in a one-to-one correspondence, so that the disinfectant water can be fully disinfected.

[0078] The first sterilization hole 370 and the second sterilization hole 230 are used for sterilization.

[0079] The structure of the holding rod 400 in the fusion device holder is described in detail below:

[0080] In the optional solution of the embodiment of the present invention, see Figure 8 and Fig. 9 A movable groove 420 is provided at one end of the holding rod 400 close to the control cap 500. The movable groove 420 is arranged around the circumference of the holding rod 400, and the length direction of the movable groove 420 extends along the axial direction of the holding rod 400; the handle 100 is provided with a movable rod 110, and the movable rod 110 passes through the handle 100 and abuts against the bottom wall of the movable groove 420.

[0081] Specifically, the two side walls of the movable groove 420 opposite to each other along the axial direction of the holding rod 400 can limit the movement range of the movable rod 110; in this embodiment, the axial length of the movable groove 420 along the holding rod 400 is set to 2-3mm. Furthermore, two movable rods 110 are provided, the axes of the two movable rods 110 are collinear, and the axis of the movable rod 110 is perpendicular to the axis of the holding rod 400. More preferably, the tail of the holding rod 400 is provided with a connecting through hole 430, and the axis of the connecting through hole 430 is perpendicular to the axis of the holding rod 400; the control cap 500 is sleeved on the tail of the holding rod 400, and the control cap 500 is connected to the holding rod 400 through the second positioning pin 440; the second positioning pin 440 passes through the control cap 500 and extends into the connecting through hole 430.

[0082] The holding rod 400 is provided with a movable groove 420, and the movable rod 110 passes through the handle 100 and abuts against the bottom wall of the movable groove 420, so that the holding rod 400 can move axially. When the fusion device holder is used, the holding rod 400 can be retracted into the inner sleeve 200 first, and the holding rod 400 can be connected to the threaded hole 620 of the fusion device 600 after the limiting protrusion 210 of the inner sleeve 200 and the limiting groove 610 of the fusion device 600 are fully matched.

[0083] The structure of the control cap 500 in the fusion device holder is described in detail below:

[0084] In an optional solution of the embodiment of the present invention, one end of the control cap 500 is connected to the holding rod 400 via a second positioning pin 440, and the other end is provided with a hammering protrusion 510; the outer wall of the control cap 500 is provided with an anti-slip groove.

[0085] The structure of the inner sleeve 200 in the fusion device holder is described in detail below:

[0086] In the optional solution of the embodiment of the present invention, see Fig.10 The wall thickness of the limiting protrusion 210 gradually increases from the end close to the inner sleeve 200 to the end far away from the inner sleeve 200.

[0087] Specifically, in this embodiment, the inner sleeve 200 is threadedly connected to the handle 100. Of course, welding of the inner sleeve 200 and the handle 100 should also be within the protection scope of the embodiment of the present invention.

[0088] The wall thickness of the limiting protrusion 210 gradually increases, thereby enhancing the strength of the end of the limiting protrusion 210 .

[0089] The structure of the handle 100 in the fusion device holder is described in detail below:

[0090] In an optional scheme of an embodiment of the present invention, the handle 100 includes a sleeve portion 120, a transition portion 130 and a hand-held portion 140; the inner wall of the sleeve portion 120 is connected to the inner sleeve 200 and to the transition portion 130; the transition portion 130 is sleeved on the inner sleeve 200 and connected to the hand-held portion 140, and the axis of the hand-held portion 140 is arranged at an angle to the axis of the sleeve portion 120.

[0091] Specifically, one end of the sleeve portion 120 is movably connected to the holding rod 400 , and the other end is threadedly connected to the inner sleeve 200 .

[0092] The adapter portion 130 connects the hand-held portion 140 with the sleeve portion 120 , and enables the hand-held portion 140 and the sleeve portion 120 to be arranged at an angle, so as to facilitate the user to hold.

[0093] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0094] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fusion device holder, characterized in that: include: A handle (100), an inner sleeve (200), an outer sleeve (300), a holding rod (400) and a control cap (500); One end of the inner sleeve (200) is connected to the handle (100), and the outer wall of the other end is provided with two oppositely arranged limiting protrusions (210), and the limiting protrusions (210) are used to be engaged with the limiting grooves (610) of the fusion device (600); One end of the holding rod (400) is provided with a connecting protrusion (410) with an external thread, which is used to connect with the threaded hole (620) of the fusion device (600); the other end of the holding rod (400) passes through the handle (100) and the inner sleeve (200) to be connected with the control cap (500); The outer sleeve (300) is sleeved on the inner sleeve (200), and one end is movably connected to the inner sleeve (200), and the other end is provided with two oppositely arranged closing protrusions (310), the two closing protrusions (310) are respectively located on both sides of the two limiting protrusions (210), the length of the closing protrusion (310) is greater than the length of the limiting protrusion (210), and is used to cover the opening (630) of the fusion device (600), and the closing protrusion (310) is elastic.

2. The fusion device holder according to claim 1, characterized in that: The closed protrusion (310) comprises a connecting section (311) and a closing section (313); one end of the connecting section (311) is connected to the outer sleeve (300), and the other end is connected to the closing section (313); the width of the connecting section (311) is smaller than the width of the closing section (313), and the distance between the two connecting sections (311) of the two closed protrusions (310) remains unchanged; The distance between the two closed sections (313) of the two closed protrusions (310) gradually decreases from an end close to the connecting section (311) to an end far from the connecting section (311).

3. The fusion device holder according to claim 2, characterized in that: The connecting section (311) and the closed section (313) are connected via a transition section (312), and the distance between the two transition sections (312) gradually decreases from one end close to the connecting section (311) to one end far from the connecting section (311).

4. The fusion device holder according to claim 2, characterized in that: One end of the closed section (313) facing away from the connecting section (311) is configured to be arc-shaped.

5. The fusion device holder according to claim 1, characterized in that: The outer wall of the inner sleeve (200) is provided with a first connection plane (220), the first connection plane (220) is provided with a plurality of mounting holes (221), and the plurality of mounting holes (221) are arranged at intervals along the axial direction of the inner sleeve (200); The inner wall of the outer sleeve (300) is provided with a second connecting plane, the second connecting plane abuts against the first connecting plane (220), and is installed with an elastic member (330) and a rolling member (340), one end of the elastic member (330) is connected to the second connecting plane, and the other end is connected to the rolling member (340), and the rolling member (340) is inserted into any one of the mounting holes (221).

6. The fusion device holder according to claim 5, characterized in that: The outer sleeve (300) comprises an outer sleeve body (350) and a connecting portion (360); The inner wall of the connecting portion (360) is provided with the second connecting plane, and the outer sleeve body (350) is sleeved with the connecting portion (360), and the outer sleeve body (350) is connected to the connecting portion (360).

7. The fusion device holder according to claim 1, characterized in that: An active groove (420) is provided at one end of the holding rod (400) close to the control cap (500), the active groove (420) is arranged around the circumference of the holding rod (400), and the length direction of the active groove (420) extends along the axial direction of the holding rod (400); The handle (100) is provided with a movable rod (110), and the movable rod (110) passes through the handle (100) and abuts against the bottom wall of the movable groove (420).

8. The fusion device holder according to any one of claims 1 to 7, characterized in that: The outer sleeve (300) is provided with a plurality of first disinfection holes (370), and the plurality of first disinfection holes (370) are arranged at intervals along the circumferential direction and the axial direction of the outer sleeve (300); The inner sleeve (200) is provided with a plurality of second disinfection holes (230), and the plurality of second disinfection holes (230) are arranged at intervals along the circumferential direction and the axial direction of the inner sleeve (200); At least one of the second disinfection holes (230) is arranged in a staggered manner with respect to the plurality of the first disinfection holes (370).

9. The fusion device holder according to claim 1, characterized in that: The wall thickness of the limiting protrusion (210) gradually increases from an end close to the inner sleeve (200) to an end away from the inner sleeve (200).

10. The fusion device holder according to claim 1, characterized in that: The handle (100) comprises a sleeve portion (120), a transfer portion (130) and a hand-held portion (140); The inner wall of the sleeve portion (120) is connected to the inner sleeve (200) and to the adapter portion (130); The adapter portion (130) is sleeved on the inner sleeve (200) and connected to the hand-held portion (140); the axis of the hand-held portion (140) and the axis of the sleeve portion (120) are arranged at an angle.

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