Bone wax sealing assist device for bone cancer pain model

Abstract

The invention relates to the technical field of medical instruments, in particular to a bone wax sealing assistor for an osteocarcinoma pain model, which is characterized in that a supporting mechanism is arranged on the outer ring wall of a positioning ring, and a first annular slide rail in the supporting mechanism is fixed on the outer ring wall of the positioning ring; the multiple supporting plates are connected with the first annular sliding rail. The steering mechanism is arranged in the positioning ring; a fixed internal thread pipe in the steering mechanism is arranged in the positioning ring; the fixing mechanism is arranged in the steering mechanism; an adjusting threaded pipe in the fixing mechanism is screwed in a fixed inner threaded pipe through threads; a through hole is formed in the bottom of the adjusting threaded pipe; according to the practical situation of an operation area, an injector can be stably inserted into a needed position, bone wax is used for sealing a needle hole quickly, accurately and effectively, bone wax filling can reach a certain depth, and cancer cells are prevented from overflowing; injectors of different models and sizes can be fixed in the adjusting threaded pipe, the stability of the injectors in the using process is improved, and the using range is wide.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to a bone wax sealing aid for a bone cancer pain model. Background Art

[0002] Bone cancer pain modeling generally uses a syringe needle to puncture the femur and tibia. After injecting cancer cells into the bone marrow cavity, bone wax is needed to seal the needle hole to stop bleeding. Currently, a syringe is generally used directly to puncture, and it is not easy to determine the correct angle. The injection process is prone to instability. Once instability occurs, tumor cells overflow from the needle hole, which will cause the tumor to grow outside the bone, resulting in modeling failure. Therefore, in the modeling process, how to quickly, accurately and effectively use bone wax to seal the needle hole so that the bone wax filling can reach a certain depth to prevent cancer cells from overflowing becomes particularly important for improving the success rate of modeling. To this end, a bone wax sealing aid for a bone cancer pain model is proposed. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and provide a bone wax sealing aid for a bone cancer pain model, which can support and adjust the angle of the syringe so that the syringe can be stably inserted into the required position, and the bone wax can be used to seal the needle hole quickly, accurately and effectively, so that the bone wax filling can reach a certain depth to prevent cancer cells from overflowing; it can fix syringes of different models and sizes, improve the stability of the syringe when in use, and has a wide range of uses.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: it comprises a positioning ring; It is characterized in that it also comprises: A supporting mechanism, wherein the supporting mechanism is arranged on the outer ring wall of the positioning ring; A steering mechanism, wherein the steering mechanism is arranged in the positioning ring; A fixing mechanism, wherein the fixing mechanism is arranged in the steering mechanism; Through the above technical solution design, the syringe is fixed by a fixing mechanism, and the supporting mechanism sets the syringe at the position where bone wax sealing is required; the steering mechanism is used to adjust the direction of the needle of the syringe so that the needle can be accurately inserted into the bone marrow cavity.

[0005] Preferably, the supporting mechanism comprises: A first annular slide rail, wherein the first annular slide rail is fixed on the outer ring wall of the positioning ring; A number one slider, wherein the number of the number one sliders is several and each of them is slidably mounted on the number one annular slide rail; Connecting shafts, the number of which is several and which are respectively screwed to the bottom of the first slider through the shaft and the bearing frame; Rotating wheels, the number of which is several and which are respectively fixed at the bottom of the connecting shaft; Support screws, the number of which is several and which are respectively fixed at the bottom of the rotating wheel; Support plates, the number of which is several and which are respectively sleeved on the bottom of the support screw by means of threaded connection; The limiting rods are provided in multiple numbers and are movably inserted in pairs on the support plate. The limiting rods are provided on both sides of the support screw rod. A second slider is fixed on the upper end of the limiting rod, and a second annular slide rail is fixed on the bottom of the rotating wheel. Through the above technical solution design, according to the actual situation of the operating area, the No. 1 slider is rotated so that the support plate can be moved to an empty position, and the rotating wheel is rotated so that the support plate can be supported under the action of the limit rod.

[0006] Preferably, an anti-slip groove is provided on the ring wall of the rotating wheel; Through the above technical solution design, the anti-skid groove plays an anti-skid role.

[0007] Preferably, a rubber pad is fixed to the bottom of the support plate; Through the above technical solution design, the rubber pad increases friction and makes the support of the support plate more stable.

[0008] Preferably, the steering mechanism comprises: A fixed internally threaded tube, wherein the fixed internally threaded tube is arranged in the positioning ring; A first rotating shaft, the first rotating shaft is fixed to the front end of the fixed internal threaded tube, and the first rotating shaft is screwed and inserted into the positioning ring through a bearing; the front end of the first rotating shaft is provided with a thread; A nut, the nut being screwed onto the front end of the first rotating shaft through a thread; a rubber ring is fixed to the rear end of the nut; A second rotating shaft, the second rotating shaft is screwed and inserted into the positioning ring through a bearing, and the front end of the second rotating shaft is fixed on the internally threaded tube; A fixing plate, the fixing plate being fixed to the rear end of the second rotating shaft; A spring, wherein the spring is sleeved on the second rotating shaft, one end of the spring is fixed on the fixing plate, and the other end of the spring is fixed on the positioning ring; Through the above technical solution design, loosen the nut, turn the second shaft to adjust the angle of the fixed internal threaded tube, and the spring prevents the positioning ring from swinging when letting go; after the adjustment is completed, tighten the nut to fix the angle of the fixed internal threaded tube.

[0009] Preferably, the fixing mechanism comprises: An adjusting threaded tube, wherein the adjusting threaded tube is screwed into the fixed internal threaded tube through threads; a through hole is provided at the bottom of the adjusting threaded tube; The pressure strips are multiple in number and are respectively arranged in an annular shape in the adjusting threaded tube; The fixing screws are several in number and are respectively threadedly connected to the adjusting threaded tubes. The inner ends of the fixing screws are threadedly connected to the pressure strips through bearings. The outer ends of the fixing screws are fixed with hand screws. Gears, the number of which is several and which are respectively screwed on the outer ring wall of the adjusting threaded tube through bearings; A gear ring, wherein the gear ring is screwed onto the adjusting threaded tube through a bearing, and the gear is meshed with the gear ring; Through the above technical solution design, the syringe is placed in the adjusting threaded tube, the needle is inserted into the through hole, and the hand is turned to make the gear and the gear ring drive several fixed screws to rotate together, and the pressure strip moves inward to press and limit the syringe; the adjusting threaded tube is rotated to allow the syringe to be lowered for injection.

[0010] Preferably, the bottom of the pressure strip is rotatably embedded with two balls, and the balls are against the inner bottom plate of the adjusting threaded tube; Through the above technical solution design, the ball bearing makes the pressure strip easy to move.

[0011] Compared with the prior art, the present invention has the following beneficial effects: 1. It is equipped with a support mechanism and a steering mechanism, which can support and adjust the angle of the syringe, so that the syringe can be stably inserted into the required position, and the bone wax can be used to seal the needle hole quickly, accurately and effectively, so that the bone wax filling can reach a certain depth to prevent cancer cells from overflowing; 2. It is equipped with a fixing mechanism that can fix syringes of different models and sizes, thereby improving the stability of the syringe during use and having a wide range of uses. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention.

[0013] Figure 2 yes Figure 1 Enlarged view of part A in .

[0014] Figure 3 yes Figure 1 Southwest isometric view.

[0015] Figure 4 yes Figure 3 Enlarged view of part B in .

[0016] Figure 5 It is a structural schematic diagram of the adjusting threaded tube and the through hole in the present invention.

[0017] Figure 6 It is a schematic diagram of the structure of the layering strip and the ball in the present invention.

[0018] Description of reference numerals: Positioning ring 1, supporting mechanism 2, annular slide rail No. 1 2-1, slider No. 1 2-2, connecting shaft 2-3, rotating wheel 2-4, anti-skid groove 2-5, supporting screw 2-6, supporting plate 2-7, rubber pad 2-8, limiting rod 2-9, slider No. 2 2-10, annular slide rail No. 2 2-11, steering mechanism 3, fixed internal threaded tube 3-1, rotating shaft No. 1 3-2, nut 3-3, rubber ring 3-4, rotating shaft No. 2 3-5, fixed plate 3-6, spring 3-7, fixing mechanism 4, adjusting threaded tube 4-1, through hole 4-2, pressure strip 4-3, ball bearing 4-4, fixed screw 4-5, hand screw 4-6, gear 4-7, gear ring 4-8. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0020] This specific implementation adopts the following technical solutions: Embodiment 1:

[0021] See also Figure 1 , this embodiment 1 comprises a positioning ring 1; It also contains: A supporting mechanism 2, wherein the supporting mechanism 2 is arranged on the outer ring wall of the positioning ring 1; A steering mechanism 3, wherein the steering mechanism 3 is arranged in the positioning ring 1; A fixing mechanism 4, wherein the fixing mechanism 4 is arranged in the steering mechanism 3; In Example 1, the syringe is fixed by the fixing mechanism 4, and the supporting mechanism 2 sets the syringe at the position where bone wax sealing is required; the steering mechanism 3 is used to adjust the direction of the needle of the syringe so that the needle can be accurately inserted into the bone marrow cavity. Embodiment 2:

[0022] See also Figure 1-2 , based on Example 1, the support mechanism 2 comprises: A first annular slide rail 2-1, wherein the first annular slide rail 2-1 is fixed to the outer ring wall of the positioning ring 1 by bolts; A number one slider 2-2, wherein the number of the number one sliders 2-2 is several and each of them is slidably mounted on the number one annular slide rail 2-1; Connecting shafts 2-3, the number of the connecting shafts 2-3 is several, and they are respectively screwed to the bottom of the first slider 2-2 through the shaft and the bearing frame; The rotating wheel 2-4 is in multiple numbers and is respectively fixed to the bottom of the connecting shaft 2-3 by bolts; an anti-skid groove 2-5 is provided on the annular wall of the rotating wheel 2-4; Support screw rods 2-6, the number of the support screw rods 2-6 is several, and they are respectively fixed to the bottom of the rotating wheel 2-4 by bolts; Support plates 2-7, the number of the support plates 2-7 is several, and they are respectively arranged on the bottom of the support screw 2-6 through threaded connection; the bottom of the support plate 2-7 is fixed with a rubber pad 2-8 by glue; Limit rods 2-9, the number of the limit rods 2-9 is several, and they are movably inserted in pairs on the support plate 2-7, and the limit rods 2-9 are arranged on both sides of the support screw 2-6; the upper end of the limit rod 2-9 is fixed with a second slider 2-10 by bolts, and the bottom of the rotating wheel 2-4 is fixed with a second annular slide rail 2-11 by bolts; With this embodiment, according to the actual situation of the operating area, the slider 2-2 is rotated so that the support plate 2-7 can be moved to the empty position, and the rotating wheel 2-4 is rotated so that the support plate 2-7 can be supported under the action of the limit rod 2-9. Embodiment 3:

[0023] See also Figure 1 and Figure 3 , based on Example 2, the steering mechanism 3 comprises: A fixed internally threaded tube 3-1, wherein the fixed internally threaded tube 3-1 is arranged in the positioning ring 1; The first rotating shaft 3-2 is fixed to the front end of the fixed internal threaded tube 3-1, and the first rotating shaft 3-2 is screwed through the positioning ring 1 through a bearing; the front end of the first rotating shaft 3-2 is provided with a thread; A nut 3-3, wherein the nut 3-3 is screwed to the front end of the first rotating shaft 3-2 through a thread; a rubber ring 3-4 is fixed to the rear end of the nut 3-3 by gluing; The second rotating shaft 3-5 is screwed on the positioning ring 1 through a bearing, and the front end of the second rotating shaft 3-5 is fixed on the internal threaded tube 3-1; A fixing plate 3-6, wherein the fixing plate 3-6 is fixed to the rear end of the second rotating shaft 3-5 by bolts; Spring 3-7, the spring 3-7 is sleeved on the second rotating shaft 3-5, one end of the spring 3-7 is fixed on the fixing plate 3-6, and the other end of the spring 3-7 is fixed on the positioning ring 1; According to this embodiment, the nut 3-3 is loosened, and the second rotating shaft 3-5 is rotated to adjust the angle of the fixed internal threaded tube 3-1. The spring 3-7 prevents the positioning ring 1 from swinging when the hand is released. After the adjustment is completed, the nut 3-3 is tightened to fix the angle of the fixed internal threaded tube 3-1. Implementation:4:

[0024] See also Figure 3-6 , based on Example 3, the fixing mechanism 4 comprises: An adjusting threaded tube 4-1, wherein the adjusting threaded tube 4-1 is screwed into the fixed internal threaded tube 3-1 through threads; a through hole 4-2 is provided at the bottom of the adjusting threaded tube 4-1; The pressure strips 4-3 are several in number and are respectively arranged in an annular shape in the adjusting threaded tube 4-1; the bottom of the pressure strips 4-3 is rollingly embedded with two balls 4-4, and the balls 4-4 are against the inner bottom plate of the adjusting threaded tube 4-1; The fixing screw rods 4-5 are several in number and are respectively screwed through the adjusting threaded tube 4-1, and the inner ends of the fixing screw rods 4-5 are screwed through the pressure strip 4-3 through bearings; the outer ends of the fixing screw rods 4-5 are fixed with hand screws 4-6 through bolts; Gears 4-7, the number of which is several and which are respectively screwed to the outer ring wall of the adjusting threaded tube 4-1 through bearings; A gear ring 4-8, wherein the gear ring 4-8 is sleeved on the adjusting threaded tube 4-1 through a bearing screw connection, and the gear 4-7 is meshed and arranged on the gear ring 4-8; According to this embodiment, the syringe is placed in the adjusting threaded tube 4-1, the needle is inserted into the through hole 4-2, and the hand screw 4-6 is turned to make the gear 4-7 and the gear ring 4-8 drive several fixed screws 4-5 to rotate together, and the pressure strip 4-3 moves inward to press and limit the syringe; the adjusting threaded tube 4-1 is rotated to allow the syringe to be lowered for injection.

[0025] When using the present invention, according to the actual situation of the operating area, rotate the No. 1 slider 2-2 so that the support plate 2-7 can move to the empty position, rotate the rotating wheel 2-4, and under the action of the limiting rod 2-9, the support plate 2-7 can be supported; place the syringe in the adjusting threaded tube 4-1, insert the needle in the through hole 4-2, rotate the hand screw 4-6, so that the gear 4-7 and the gear ring 4-8 drive several fixed screws 4-5 to rotate together, and the pressure strip 4-3 moves inward to press and limit the syringe; loosen the nut 3-3, rotate the No. 2 rotating shaft 3-5 to adjust the angle of the fixed internal threaded tube 3-1, and the spring 3-7 prevents the positioning ring 1 from shaking when the hand is released; after the adjustment is completed, tighten the nut 3-3 to fix the angle of the fixed syringe; rotate the adjusting threaded tube 4-1 so that the syringe can be lowered for injection.

[0026] Compared with the prior art, the present invention has the following beneficial effects: 1. A support mechanism 2 and a steering mechanism 3 are provided, which can support the syringe by rotating the No. 1 slider 2-2 according to the actual situation of the operation area, and adjust the angle of the syringe by rotating the No. 2 rotating shaft 3-5 and cooperating with the nut 3-3, so that the syringe can be stably inserted into the required position, and the needle hole can be quickly, accurately and effectively sealed with bone wax, so that the bone wax filling can reach a certain depth to prevent cancer cells from overflowing; 2. A fixing mechanism 4 is provided, and the pressure strip 4-3 is moved inward by rotating the hand screw 4-6, so that syringes of different models and sizes can be fixed in the adjusting threaded tube 4-1, thereby improving the stability of the syringe when in use and having a wide range of uses.

[0027] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone wax sealing aid for a bone cancer pain model, comprising a positioning ring (1); It is characterized in that It also contains: A support mechanism (2), wherein the support mechanism (2) is arranged on the outer ring wall of the positioning ring (1), and a first ring slide rail (2-1) in the support mechanism (2) is fixed on the outer ring wall of the positioning ring (1); a plurality of support plates (2-7) are respectively connected to the first ring slide rail (2-1); A steering mechanism (3), wherein the steering mechanism (3) is arranged in a positioning ring (1); a fixed internally threaded tube (3-1) in the steering mechanism (3) is arranged in the positioning ring (1); A fixing mechanism (4), wherein the fixing mechanism (4) is arranged in the steering mechanism (3); an adjusting threaded tube (4-1) in the fixing mechanism (4) is screwed into the fixing internal threaded tube (3-1) via threads; and a through hole (4-2) is provided at the bottom of the adjusting threaded tube (4-1).

2. The bone wax sealing aid for a bone cancer pain model according to claim 1, characterized in that: The supporting mechanism (2) comprises: A number one sliding block (2-2), wherein the number of the number one sliding blocks (2-2) is plural and each sliding block is mounted on the number one annular sliding rail (2-1); Connecting shafts (2-3), the connecting shafts (2-3) are multiple in number and are respectively screwed to the bottom of the first slider (2-2) via shafts and bearing frames; Rotating wheels (2-4), wherein there are a plurality of rotating wheels (2-4) and they are respectively fixed at the bottom of the connecting shaft (2-3); Support screw rods (2-6), wherein the number of the support screw rods (2-6) is several and they are respectively fixed to the bottom of the rotating wheel (2-4); and the support plates (2-7) are respectively sleeved on the bottom of the support screw rods (2-6) through threaded connection. The limiting rods (2-9) are multiple in number and are movably inserted in pairs on the support plate (2-7). The limiting rods (2-9) are arranged on both sides of the support screw rod (2-6). A second sliding block (2-10) is fixed to the upper end of the limiting rod (2-9), and a second annular sliding rail (2-11) is fixed to the bottom of the rotating wheel (2-4).

3. The bone wax sealing aid for bone cancer pain model according to claim 2, characterized in that: An anti-slip groove (2-5) is provided on the annular wall of the rotating wheel (2-4).

4. The bone wax sealing aid for a bone cancer pain model according to claim 2, characterized in that: A rubber pad (2-8) is fixed to the bottom of the support plate (2-7).

5. The bone wax sealing aid for bone cancer pain model according to claim 2, characterized in that: The steering mechanism (3) comprises: A first rotating shaft (3-2), the first rotating shaft (3-2) being fixed to the front end of the fixed internally threaded tube (3-1), the first rotating shaft (3-2) being threadedly connected to the positioning ring (1) via a bearing; the front end of the first rotating shaft (3-2) being provided with a thread; A nut (3-3), wherein the nut (3-3) is screwed onto the front end of the first rotating shaft (3-2) via a thread; a rubber ring (3-4) is fixed to the rear end of the nut (3-3); A second rotating shaft (3-5), the second rotating shaft (3-5) being threadedly connected to the positioning ring (1) via a bearing, and a front end of the second rotating shaft (3-5) being fixed on the internally threaded tube (3-1); A fixing plate (3-6), wherein the fixing plate (3-6) is fixed to the rear end of the second rotating shaft (3-5); A spring (3-7) is sleeved on the second rotating shaft (3-5), one end of the spring (3-7) is fixed on the fixing plate (3-6), and the other end of the spring (3-7) is fixed on the positioning ring (1).

6. The bone wax sealing aid for a bone cancer pain model according to claim 5, characterized in that: The fixing mechanism (4) comprises: Layering strips (4-3), the number of the layering strips (4-3) being several and respectively arranged in annular shapes in the adjusting threaded tube (4-1); A fixing screw rod (4-5), wherein the fixing screw rods (4-5) are in plurality and are respectively threadedly connected to the adjusting threaded tube (4-1), and the inner end of the fixing screw rod (4-5) is threadedly connected to the pressure strip (4-3) via a bearing; and a hand screw (4-6) is fixed to the outer end of the fixing screw rod (4-5); Gears (4-7), the number of the gears (4-7) being several and each being screwed onto the outer ring wall of the adjusting threaded tube (4-1) via a bearing; A gear ring (4-8) is provided on the adjusting threaded tube (4-1) through a bearing screw connection, and the gear (4-7) is meshed with the gear ring (4-8).

7. The bone wax sealing aid for a bone cancer pain model according to claim 6, characterized in that: Two balls (4-4) are rotatably embedded in the bottom of the pressure strip (4-3), and the balls (4-4) are abutted against the inner bottom plate of the adjusting threaded tube (4-1).

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