Steel plate screw taking-out failure integrated rescue device and using method thereof

Abstract

The invention discloses a steel plate screw taking-out failure integrated rescue device and a using method thereof. A steel plate screw removal failure integrated rescue device comprises a supporting base capable of sliding left and right along a steel plate, the supporting base comprises a top plate, a front baffle and a rear baffle, and the front end and the rear end of the top plate are fixedly connected with the front baffle and the rear baffle respectively. The bottoms of the front baffle plate and the rear baffle plate are provided with upwarp extension parts for being embedded into a gap between the steel plate and the bone surface; the front baffle is connected with the rear baffle through an elastic connecting piece; the top plate is connected with a guide rail with the guiding direction being the front-back direction, the guide rail is slidably connected with a sliding block, and the sliding block is provided with an operation hole for a tungsten steel drill or a hollow drill to penetrate through. The top plate is provided with an opening right facing the operation hole. The device is firm in fixation, stable in the using process, capable of avoiding shaking of a tungsten steel drill and a hollow drill, high in efficiency and capable of avoiding other damage caused by drill bit slipping.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, in particular to a steel plate screw removal device. Background Art

[0002] At present, when the removal of plate and screw internal fixation fails, the only way is to use a tungsten steel drill or Kirschner wire to gradually destroy the plate and screw, and then remove the plate and screw little by little. The steps are complicated. There are problems of time-consuming, labor-intensive, and inefficient use. Without a holding device, the drill is prone to slippage, and the Kirschner wire may deviate, causing excessive bone or surrounding vascular and nerve tissue damage, causing unnecessary additional damage. At the same time, there are problems of plate and screw debris flying around, contaminating the surrounding soft tissue, and the debris cannot be removed, resulting in foreign body residue. In addition, a lot of heat is generated during local grinding, which can easily cause bone thermal damage or even bone necrosis. Summary of the invention

[0003] In view of the problems existing in the prior art, the present invention provides an integrated rescue device for failed steel plate screw removal and a method of using the device to solve at least one of the above technical problems.

[0004] In order to achieve the above-mentioned object, the present invention provides an integrated rescue device for failed steel plate screw removal, characterized in that it comprises a support base that can slide left and right along the steel plate, the support base comprises a top plate, a front baffle plate and a rear baffle plate, the front and rear ends of the top plate are respectively fixedly connected to the front baffle plate and the rear baffle plate, and the bottoms of the front baffle plate and the rear baffle plate are provided with a warping extension portion for embedding into the gap between the steel plate and the bone surface;

[0005] The front baffle is connected to the rear baffle via an elastic connector;

[0006] The top plate is connected to a guide rail with a guiding direction in the front-back direction, the guide rail is slidably connected to the slider, and the slider is provided with an operating hole for passing a tungsten steel drill or a hollow drill;

[0007] The top plate is provided with an opening facing the operation hole;

[0008] It also includes a water inlet and outlet device, which includes a water outlet for discharging liquid and a suction port for negative pressure suction of liquid. The suction port and the water outlet are both installed on the supporting base. The suction port is used to connect to the negative pressure suction equipment, and the water outlet is used to connect to the water supply pipeline.

[0009] The invention is firmly fixed and relatively stable during use, and the shaking of the tungsten steel drill and the hollow drill is avoided. The invention has high efficiency and avoids other damages caused by the drill bit slipping off.

[0010] The present invention can be used for situations where multiple parts cannot be removed, and can greatly save time.

[0011] The present invention can avoid excessive local temperature causing thermal damage to bones, avoid temporary accumulation of debris, and avoid entering soft tissues and being unable to be removed, thereby causing medical accidents, by providing the water inlet and outlet devices.

[0012] Further preferably, the raised extension portion is an arc-shaped bending structure that bends inwardly.

[0013] Further preferably, the elastic connecting member is a spring;

[0014] The front baffle and the rear baffle are connected by at least three spring groups arranged from top to bottom;

[0015] Each spring group includes two springs arranged left and right.

[0016] Further preferably, two guide rails arranged in left and right mirror symmetry are fixed on the top plate;

[0017] The guide rail is provided with scale lines adjacent to each other;

[0018] The sliding block is provided with a positioning scale for facing the scale line.

[0019] It is convenient to determine the moving position of the slider.

[0020] Further preferably, the suction port and the water outlet are installed on the front baffle and the rear baffle respectively.

[0021] Further preferably, the suction port and the water outlet both include a plastic hose and a metal sleeve arranged inside and outside;

[0022] The metal sleeve comprises a mounting ring arranged in the axial direction, and adjacent mounting rings are connected by connecting metal wires.

[0023] The direction of the suction port and the water outlet can be adjusted by turning the metal sleeve. The metal wire is easy to bend, so the convenience of the steering adjustment is achieved.

[0024] Further preferably, an annular structure is fixed to the ends of the suction port and the water outlet.

[0025] Easy to adjust the position by pulling.

[0026] Further preferably, a left baffle and a right baffle are respectively provided between the left and right sides of the front baffle and the rear baffle, the left baffle is fixedly connected to the front baffle or the rear baffle, and the right baffle is fixedly connected to the front baffle or the rear baffle;

[0027] The left baffle plate and the right baffle plate are located below the elastic connecting member.

[0028] The left baffle and the right baffle prevent impurities such as water and debris from splashing onto the surrounding tissue.

[0029] A method for using an integrated rescue device for failed steel plate screw removal, characterized in that a slider slides back and forth above a top plate, and a tungsten steel drill or a hollow drill passes through an operating hole of the slider to reach an edge portion of the steel plate or a head portion of the screw;

[0030] For the edge of the steel plate, move the slider to the edge of the steel plate. At this time, the operating hole is facing the edge of the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate.

[0031] For the head part of the screw, move the slider to the central part of the steel plate. At this time, the operating hole is opposite to the head area of ​​the screw. First, use a tungsten steel drill to pass through the operating hole to grind the head of the screw. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone.

[0032] A method for using an integrated rescue device for failed plate screw removal, characterized in that it comprises the following steps:

[0033] Step 1: Move the slider to the center of the steel plate. At this time, the operating hole is facing the head area of ​​the screw. First, use a tungsten steel drill to grind the head of the screw through the operating hole. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone.

[0034] Step 2: Move the slider to the edge of the steel plate. At this time, the operating hole is facing the edge of the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate.

[0035] Move the slider, and the tungsten steel drill grinds the steel plate into an independent sub-steel plate, and then remove the sub-steel plate;

[0036] Step 3: Slide the support base to the next screw position to be removed.

[0037] A method for using an integrated rescue device for failed plate screw removal, characterized in that it comprises the following steps:

[0038] Step 1: Move the slider to the edge area of ​​the steel plate. At this time, the operating hole is facing the edge area of ​​the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate.

[0039] Move the slider, and the tungsten steel drill grinds the steel plate into independent sub-steel plates;

[0040] Step 2: Move the slider to the center of the steel plate. At this time, the operating hole is facing the head area of ​​the screw. First, use a tungsten steel drill to grind the head of the screw through the operating hole. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone.

[0041] Step 3: Slide the support base to the next screw position to be removed.

[0042] Beneficial effects: The integrated rescue device for failed steel plate screw removal of the present invention avoids frequent replacement of devices and saves time.

[0043] The device is firmly fixed and relatively stable during use, avoiding the shaking of the tungsten steel drill and the hollow drill, having high efficiency and avoiding other damages caused by the drill bit slipping.

[0044] The device is relatively simple to fix and slide, easy to use, and can greatly save time in situations where multiple parts cannot be removed.

[0045] The setting of the water inlet and outlet device can avoid local excessive temperature causing thermal damage to the bone, avoid the temporary accumulation of debris, and avoid entering the soft tissue and being unable to be removed, causing medical accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A structural schematic diagram of the present invention;

[0047] Figure 2 A cross-sectional view of the present invention;

[0048] Figure 3 It is a schematic diagram of the steel plate and the screw of the present invention.

[0049] Among them: 1 is the front baffle, 2 is the rear baffle, 3 is the top plate, 4 is the guide rail, 5 is the slider, 6 is the elastic connector, 7 is the left baffle, 8 is the suction port, 9 is the water outlet, 10 is the steel plate, and 11 is the head. DETAILED DESCRIPTION

[0050] The present invention will be further described below in conjunction with the accompanying drawings.

[0051] See also Figures 1 to 3, Specific embodiment 1: An integrated rescue device for failed steel plate screw removal, comprising a support base that can slide left and right along the steel plate 10, the support base comprising a top plate 3, a front baffle 1 and a rear baffle 2, the front and rear ends of the top plate 3 are respectively fixedly connected to the front baffle 1 and the rear baffle 2, the bottom of the front baffle 1 and the rear baffle 2 are provided with a raised extension portion for embedding into the gap between the steel plate and the bone surface; the front baffle 1 and the rear baffle 2 are connected by an elastic connector 6; a guide rail 4 with a guiding direction in the front and rear direction is connected to the top plate 3, the guide rail 4 is slidably connected to the slider 5, and an operating hole for passing a tungsten steel drill or a hollow drill is provided on the slider 5; an opening facing the operating hole is provided on the top plate 3; and a water inlet and outlet device is also provided, the water inlet and outlet device comprises a water outlet 9 for draining out liquid and a suction port 8 for negative pressure suction of liquid, the suction port 8 and the water outlet 9 are both installed on the support base, the suction port 8 is used to connect the negative pressure suction device, and the water outlet 9 is used to connect the water supply pipeline. The present invention is firmly fixed and relatively stable during use, avoiding the shaking of tungsten steel drills and hollow drills, and is highly efficient, and avoiding other injuries caused by drill bit slippage. The present invention can be used for situations where multiple parts cannot be removed, which can greatly save time. The present invention can avoid local excessive temperature causing bone thermal damage, avoid temporary accumulation of debris, and avoid entering soft tissues and being unable to be removed, causing medical accidents, by setting up water inlet and outlet devices.

[0052] The warped extension portion is an arc-shaped bending structure that bends inwards.

[0053] The elastic connecting member 6 is a spring; the front baffle 1 and the rear baffle 2 are connected by at least three spring groups arranged from top to bottom; each spring group includes two springs arranged on the left and right.

[0054] The suction port and the water outlet 9 are installed on the front baffle plate 1 and the rear baffle plate 2 respectively.

[0055] A left baffle 7 and a right baffle are respectively arranged between the left and right sides of the front baffle 1 and the rear baffle 2. The left baffle 7 is fixedly connected to the front baffle 1 or the rear baffle 2, and the right baffle is fixedly connected to the front baffle 1 or the rear baffle 2. The left baffle 7 and the right baffle are located below the elastic connector 6. The left baffle 7 and the right baffle prevent impurities such as water and debris from splashing onto surrounding tissues.

[0056] A method for using an integrated rescue device for failed steel plate and screw removal, characterized in that a slider 5 slides back and forth above a top plate 3, and a tungsten steel drill or a hollow drill passes through the operating hole of the slider 5 to reach the edge portion of the steel plate or the head portion of the screw; for the edge portion of the steel plate 10, the slider 5 is moved to the edge portion of the steel plate, at this time, the operating hole is facing the edge area of ​​the steel plate, and a tungsten steel drill is used to pass through the operating hole of the slider 5 to grind the edge portion of the steel plate 10; for the head 11 portion of the screw, the slider 5 is moved to the central portion of the steel plate 10, at this time, the operating hole is facing the head area of ​​the screw, and the tungsten steel drill is first used to pass through the operating hole to grind the head 11 of the screw, and then, the hollow drill bit is used to rotate the stud of the screw together to bring out the bone.

[0057] A method for using an integrated rescue device for failed plate screw removal, characterized in that it comprises the following steps:

[0058] Step 1: Move the slider 5 to the central part of the steel plate. At this time, the operating hole is facing the head area of ​​the screw. First, use a tungsten steel drill to grind the head of the screw through the operating hole, and then use a hollow drill bit to rotate the screw stud together to bring out the bone;

[0059] Step 2: Move the slider 5 to the edge area of ​​the steel plate. At this time, the operating hole is facing the edge area of ​​the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider 5 to grind the edge of the steel plate.

[0060] The slider 5 is moved, and the tungsten steel drill grinds the steel plate 10 to form an independent sub-steel plate, and the sub-steel plate is removed;

[0061] Step 3: Slide the support base to the next screw position to be removed.

[0062] A method for using an integrated rescue device for failed plate screw removal, characterized in that it comprises the following steps:

[0063] Step 1: Move the slider 5 to the edge area of ​​the steel plate. At this time, a tungsten steel drill is used to grind the edge of the steel plate 10 through the operating hole of the slider 5 with the operating hole facing the edge area of ​​the steel plate.

[0064] The slider 5 is moved, and the tungsten steel drill grinds the steel plate 10 into independent sub-steel plates;

[0065] Step 2: Move the slider 5 to the central part of the steel plate 10. At this time, the operating hole is facing the head 11 of the screw. First, use a tungsten steel drill to grind the head 11 of the screw through the operating hole. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone.

[0066] Step 3: Slide the support base to the next screw position to be removed.

[0067] The edge of the steel plate refers to the edge adjacent to the screw. By grinding the edge of the steel plate, a channel for the screw to pass through the steel plate to the outside is established. By grinding the opposite side of the steel plate, an independent sub-steel plate is formed.

[0068] Specific embodiment 2, on the basis of specific embodiment 1, the suction port and the water outlet both include a plastic hose and a metal sleeve arranged inside and outside; the metal sleeve includes a mounting ring arranged in the axial direction, and adjacent mounting rings are connected by connecting metal wires. It is convenient to adjust the direction of the suction port and the direction of the water outlet by turning the metal sleeve. The metal wire is easy to bend, so the convenience of steering adjustment is achieved. A ring structure is fixed at the end of the suction port and the water outlet. It is convenient to pull and adjust the position. The plastic hose includes a foldable corrugated tube area. It is convenient to adjust the length.

[0069] Specific embodiment 3, based on specific embodiment 1, two guide rails are fixed on the top plate in mirror symmetry; scale lines are arranged adjacent to each other on the guide rails; and a positioning scale for facing the scale lines is arranged on the slider, so as to facilitate the determination of the moving position of the slider.

[0070] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An integrated rescue device for failed plate screw removal, characterized in that: It comprises a support base that can slide left and right along the steel plate, the support base comprises a top plate, a front baffle plate and a rear baffle plate, the front and rear ends of the top plate are respectively fixedly connected to the front baffle plate and the rear baffle plate, and the bottoms of the front baffle plate and the rear baffle plate are provided with a warping extension portion for embedding into the gap between the steel plate and the bone surface; The front baffle is connected to the rear baffle via an elastic connector; The top plate is connected to a guide rail with a guiding direction in the front-back direction, the guide rail is slidably connected to the slider, and the slider is provided with an operating hole for passing a tungsten steel drill or a hollow drill; The top plate is provided with an opening facing the operation hole; It also includes a water inlet and outlet device, which includes a water outlet for discharging liquid and a suction port for negative pressure suction of liquid. The suction port and the water outlet are both installed on the supporting base. The suction port is used to connect to the negative pressure suction equipment, and the water outlet is used to connect to the water supply pipeline.

2. The integrated rescue device for failed steel plate screw removal according to claim 1, characterized in that: The raised extension portion is an arc-shaped bending structure that bends inwardly.

3. The integrated rescue device for failed steel plate screw removal according to claim 1, characterized in that: The elastic connecting member is a spring; The front baffle and the rear baffle are connected by at least three spring groups arranged from top to bottom; Each spring group includes two springs arranged left and right.

4. The integrated rescue device for failed plate screw removal according to claim 1, characterized in that: Two guide rails arranged in mirror symmetry on the left and right are fixed on the top plate; The guide rail is provided with scale lines adjacent to each other; The sliding block is provided with a positioning scale for facing the scale line.

5. The integrated rescue device for failed plate screw removal according to claim 1, characterized in that: The suction port and the water outlet are respectively installed on the front baffle and the rear baffle.

6. The integrated rescue device for failed plate screw removal according to claim 1, characterized in that: The suction port and the water outlet both include plastic hoses and metal sleeves arranged inside and outside; The metal sleeve comprises a mounting ring arranged in the axial direction, and adjacent mounting rings are connected by connecting metal wires.

7. The integrated rescue device for failed plate screw removal according to claim 1, characterized in that: A left baffle and a right baffle are respectively arranged between the left and right sides of the front baffle and the rear baffle, the left baffle is fixedly connected to the front baffle or the rear baffle, and the right baffle is fixedly connected to the front baffle or the rear baffle; The left baffle plate and the right baffle plate are located below the elastic connecting member.

8. The method for using the integrated rescue device for failed plate screw removal according to claim 1, characterized in that: The slider slides back and forth above the top plate, and the tungsten steel drill or hollow drill passes through the operating hole of the slider to reach the edge of the steel plate or the head of the screw; For the edge of the steel plate, move the slider to the edge of the steel plate. At this time, the operating hole is facing the edge of the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate. For the head part of the screw, move the slider to the central part of the steel plate. At this time, the operating hole is opposite to the head area of ​​the screw. First, use a tungsten steel drill to pass through the operating hole to grind the head of the screw. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone.

9. The method for using the integrated rescue device for failed plate screw removal according to claim 1, characterized in that: The steps include: Step 1: Move the slider to the center of the steel plate. At this time, the operating hole is facing the head area of ​​the screw. First, use a tungsten steel drill to grind the head of the screw through the operating hole. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone. Step 2: Move the slider to the edge of the steel plate. At this time, the operating hole is facing the edge of the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate. Move the slider, and the tungsten steel drill grinds the steel plate into an independent sub-steel plate, and then remove the sub-steel plate; Step 3: Slide the support base to the next screw position to be removed.

10. The method for using the integrated rescue device for failed plate screw removal according to claim 1, characterized in that: The steps include: Step 1: Move the slider to the edge area of ​​the steel plate. At this time, the operating hole is facing the edge area of ​​the steel plate. Use a tungsten steel drill to pass through the operating hole of the slider to grind the edge of the steel plate. Move the slider, and the tungsten steel drill grinds the steel plate into independent sub-steel plates; Step 2: Move the slider to the center of the steel plate. At this time, the operating hole is facing the head area of ​​the screw. First, use a tungsten steel drill to grind the head of the screw through the operating hole. Then, use a hollow drill bit to rotate the screw stud together to bring out the bone. Step 3: Slide the support base to the next screw position to be removed.

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