Skin protector of external fixing frame for bone transport in orthopedics department

Abstract

The skin protector of the external fixing frame for bone transport in the orthopedics department comprises a first protection main body II, a second protection main body II is fixedly installed on the side wall face of the first protection main body II, and the first protection main body II and the second protection main body II form a cylindrical structure. The first protection main body II comprises two fixing rings I and a semicircular cylinder I, the semicircular cylinder I is fixedly connected between the two fixing rings I, and a plurality of round holes are uniformly formed in the surface of the semicircular cylinder I. The second protection main body II comprises two fixing rings II and a semicircular cylinder II, the semicircular cylinder II is fixedly connected between the two fixing rings II, and a plurality of round holes are uniformly formed in the surface of the semicircular cylinder II. The steel needle fixing device has the advantages that a steel needle can be fixed, damage to the skin of a needle passage caused by shaking or friction stimulation of a patient is effectively prevented, meanwhile, the affected part of the patient can be protected, secondary damage to a wound caused by sweat erosion is prevented, and the safety performance is high.

Description

[0001] This application is a divisional application of the application with the application date of November 16, 2023, the application number of 202323095267.7, and the name of Skin protector of bone transport external fixation frame. TECHNICAL FIELD

[0002] The utility model relates to orthopedic medical instrument auxiliary article technical field, specifically to a skin protector of orthopedic bone transport external fixation frame. BACKGROUND

[0003] In recent years, with the rapid development of social economy, high-energy injury is increasing, and the proportion of complex limb fractures and surgery caused by it is also increasing. Bone and soft tissue infection after fracture surgery is one of the more common complications, especially large segmental bone defect caused by osteomyelitis and nonunion, which is more difficult to handle clinically and has been a problem for clinical orthopedic surgeons. At present, the main methods for treating osteomyelitis and nonunion of limbs at home and abroad are Ilizarov bone transport technology, Masquelet technology and microsurgery technology. Among them, Ilizarov bone transport technology has obvious advantages in treating bone and soft tissue defects caused by complex osteomyelitis, and is widely used.

[0004] Bone transport external fixation frame is a device used for treating osteomyelitis, nonunion, bone tuberculosis and limb deformity, which has the characteristics of strong and stable fixation, track type pre-setting and flexible adjustability, which helps to solve bone and soft tissue defects caused by bone and joint infection, so as to effectively treat osteomyelitis, nonunion and limb deformity caused by limb trauma.

[0005] Bone transport external fixation frame has two structures, namely classic Ilizarov ring external fixation frame and Orthofix single-arm track type external fixation frame. The classic Ilizarov ring external fixation frame is fixed by connecting Kirschner wire or half-threaded needle with ring, which is suitable for the treatment of osteomyelitis and nonunion with poor skin and soft tissue conditions, and is mainly used for tibial osteomyelitis with deformity. It has the advantages of firm fixation, strong adjustability and wide treatment range.

[0006] Orthofix single-arm track type external fixation frame is fixed by connecting half-threaded needle with different diameters with track type external frame, which is suitable for the treatment of osteomyelitis and nonunion with good skin and soft tissue conditions, and is mainly used for femoral and humeral osteomyelitis. It has the advantages of simple operation, comfortable wearing and convenient nursing.

[0007] The fixed needle (2.5mm-6.0mm) of different models in the above two structures needs to pass through the skin and the bone, even the skin on both sides, and in the long treatment process (1.2 years on average), due to the constant walking activities and rehabilitation exercises of the patient, the part of the fixed needle in contact with the skin is inevitably repeatedly rubbed and stimulated, thus easily causing the redness, exudation and even ulceration of the skin along the needle, which seriously affects the comfort, stability and continuity of the treatment of the patient.

[0008] The utility model discloses a kind of orthopedics external fixation frame protective sleeve, and the specific protection structure includes protective sleeve main body, the outer surface of the protective sleeve main body is provided with antibacterial layer, the outer wall of the antibacterial layer is provided with air-permeable layer away from protective sleeve main body;By being provided with antibacterial layer and air-permeable layer, using bamboo fiber natural antibacterial, bacteriostatic, acarid, deodorization and ultraviolet resistance function in antibacterial layer, can prevent the case that bacteria will breed between user skin and protective sleeve main body in long time use, while guarantee the safety of wound, prevent bacterial contamination wound, cause the case that wound bacterial infection occurs, simultaneously still can utilize the function of strong moisture absorption and sweat dissipation of cotton silk in air-permeable layer, through this device can improve the air permeability and antibacterial property of protective sleeve main body, to increase the application range of protective sleeve main body, while also guarantee the comfort of patient use, effectively improve the practicality of protective sleeve main body.

[0009] The above protective sleeve can prevent bacterial contamination of the wound, but the effect of fixing the steel needle is not very significant, and it is not suitable for full fixation support, and the use range is limited. Practical new type content

[0010] The skin protector of the orthopedic bone moving external fixation frame has the advantages of reasonable structure design, convenient operation, fixing effect on the steel needle, effective protection of the damage to the wound caused by shaking of the patient, protection of the affected part of the patient, prevention of secondary damage to the wound caused by erosion of sweat, and high safety.

[0011] The skin protector of the orthopedic bone moving external fixation frame has the advantages of reasonable structure design, convenient operation, fixing effect on the steel needle, effective protection of the damage to the wound caused by shaking of the patient, protection of the affected part of the patient, prevention of secondary damage to the wound caused by erosion of sweat, and high safety.

[0012] The first protection main body Ⅱ7 includes a fixed ring Ⅰ702, and a semicircular cylinder Ⅰ704, the number of the fixed ring Ⅰ702 is two, and the semicircular cylinder Ⅰ704 is fixedly connected between the two fixed rings Ⅰ702, and a plurality of round holes Ⅱ9 are uniformly arranged on the surface of the semicircular cylinder Ⅰ704.

[0013] The second protection body II 8 comprises fixing rings II 801, and a semi-cylindrical body II 803, the number of the fixing rings II 801 is two, and the semi-cylindrical body II 803 is fixedly connected between the two fixing rings II 801, and a plurality of round holes II 9 are uniformly arranged on the surface of the semi-cylindrical body II 803.

[0014] The side wall surface of the fixing ring I 702 is fixedly connected with a fixing rod II 701, the side wall surface of the fixing ring II 801 is provided with a clamping groove II 802, the other side wall of the fixing ring I 702 is provided with a groove I 703, and the other side wall surface of the fixing ring II 801 is provided with a groove II 804.

[0015] The first protection body II 7 and the second protection body II 8 are arranged to form a circular cylindrical structure, the semi-cylindrical body I 704 and the semi-cylindrical body II 803 are wrapped on the affected part of the patient, are placed in the inside of the fixing frame in use, that is, between the fixing ring and the affected part of the patient, one side is attached to the position where the fixed steel needle contacts the skin of the affected part of the patient, and the other side is attached to the fixing ring of the fixing frame, the fixed steel needle passes through the round holes II 9 in the surfaces of the semi-cylindrical body I 704 and the semi-cylindrical body II 803, and therefore, the fixed steel needle can be fixed well, the fixed steel needle and the skin of the patient are prevented from being rubbed due to movement of the patient, and the safety of fixation is reliable, the skin of the affected part of the patient can be effectively protected, the pain of the patient is alleviated, and the patient is beneficial to recovery.

[0016] The groove I 703 and the groove II 804 are arranged to form a circular groove in use, are used for clamping connection with the fixing ring in the fixing frame, the clamping between the skin protector and the external fixing frame is more conformable and compact, and the fixing of the affected part of the patient is facilitated.

[0017] The edge of the round hole II 9 is provided with a filling groove II 11, and the edge of the filling groove II 11 is provided with a nano-silver coating II 10.

[0018] The nano-silver coating II 10 is arranged close to the contact position of the fixed steel needle and the skin of the patient, and therefore, the nano-silver coating II 10 can play a role in resisting bacteria and eliminating inflammation; meanwhile, the filling groove II 11 is arranged, medical cotton or gauze II 12 can be filled in the filling groove II 11, on one hand, the filling groove II 11 can absorb effusion flowing out of the contact position of the fixed steel needle and the skin of the affected part of the patient, and on the other hand, the filling groove II 11 can also absorb sweat of the affected part of the patient when it is relatively hot in summer, and the patient is beneficial to recovery. The skin protector with the structure is suitable for Ilizarov ring external fixing frame full-needle fixing mode.

[0019] The skin protector has the following beneficial effects:

[0020] 1) The first protection main body II 7 and the second protection main body II 8 are arranged to form a circular cylindrical structure, the half-cylinder body I 704 and the half-cylinder body II 803 are wrapped on the affected part of the patient, and are placed in the inside of the fixing frame in use, that is, between the fixed ring and the affected part of the patient, one side is attached to the position where the fixed needle contacts the skin of the patient, and the other side is attached to the fixed ring of the fixing frame, the fixed needle passes through the circular hole II 9 on the surface of the half-cylinder body I 704 and the half-cylinder body II 803, so that the fixed needle can be fixed well, and the adverse effects caused by the friction between the fixed needle and the skin of the patient due to the movement of the patient can be prevented, the fixing is safe and reliable, the skin of the affected part of the patient can be effectively protected, the pain of the patient is reduced, and the recovery of the patient is facilitated.

[0021] 2) The groove I 703 and the groove II 804 are arranged to form a circular groove in use, which is used for clamping connection with the fixed ring in the fixing frame, so that the clamping between the skin protector and the external fixing frame is more comfortable and close, and the fixing of the affected part of the patient is facilitated.

[0022] 3) The nano-silver coating II 10 is arranged close to the contact position of the fixed needle and the skin of the patient, so that the antibacterial and anti-inflammatory effects can be achieved; meanwhile, the filling groove II 11 is arranged, medical cotton or gauze II 12 can be filled in the filling groove II 11, on the one hand, the effusion at the contact position of the fixed needle and the skin of the patient can be absorbed, and on the other hand, the sweat of the affected part of the patient can be absorbed when it is hot in summer, the recovery of the patient is facilitated, and the skin protector with the structure is suitable for the full-needle fixing mode of the Ilizarov ring external fixing frame.

[0023] 4) The device has reasonable structure design, low manufacturing cost, convenient operation, easy disassembly and maintenance, safe and reliable fixing, is suitable for use of two different orthopedic external fixing frames, has wide application range, is favorable for the recovery of the patient, and is worth popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the utility model;

[0025] Figure 2 It is a structural schematic view of the fixed rod II in the utility model;

[0026] Figure 3 It is a structural schematic view of the first protection main body II in the utility model;

[0027] Figure 4 It is a structural schematic view of the second protection main body I in the utility model.

[0028] In the figure: the first protection main body Ⅱ7, the fixed rod Ⅱ701, the fixed ring Ⅰ702, the groove Ⅰ703, the half cylinder body Ⅰ704, the second protection main body Ⅱ8, the fixed ring Ⅱ801, the clamping groove Ⅱ802, the half cylinder body Ⅱ803, the groove Ⅱ804, the round hole Ⅱ9, the nano-silver coating Ⅱ10, the filling groove Ⅱ11, medical cotton or gauze Ⅱ12. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying Figures 1-4 Further description will be made to the utility model.

[0030] The utility model discloses a first protection main body Ⅱ7, fixed rod Ⅱ701, fixed ring Ⅰ702, groove Ⅰ703, half cylinder body Ⅰ704, second protection main body Ⅱ8, fixed ring Ⅱ801, clamping groove Ⅱ802, half cylinder body Ⅱ803, groove Ⅱ804, round hole Ⅱ9, nano-silver coating Ⅱ10, filling groove Ⅱ11, medical cotton or gauze Ⅱ12, and the specific structure includes first protection main body Ⅱ7, and the side wall surface fixed mounting of first protection main body Ⅱ7 has second protection main body Ⅱ8, and first protection main body Ⅱ7 and second protection main body Ⅱ8 form the cylindrical structure.

[0031] The first protection main body Ⅱ7 includes fixed ring Ⅰ702, half cylinder body Ⅰ704, and the number of fixed ring Ⅰ702 is two, and the half cylinder body Ⅰ704 is fixedly connected between two fixed rings Ⅰ702, and a plurality of round holes Ⅱ9 are evenly arranged on the surface of half cylinder body Ⅰ704.

[0032] The second protection main body Ⅱ8 includes fixed ring Ⅱ801, half cylinder body Ⅱ803, and the number of fixed ring Ⅱ801 is two, and the half cylinder body Ⅱ803 is fixedly connected between two fixed rings Ⅱ801, and a plurality of round holes Ⅱ9 are evenly arranged on the surface of half cylinder body Ⅱ803.

[0033] The side wall surface of fixed ring Ⅰ702 is fixedly connected with fixed rod Ⅱ701, and the side wall surface of fixed ring Ⅱ801 is provided with clamping groove Ⅱ802;The other side wall of fixed ring Ⅰ702 is provided with groove Ⅰ703;The other side wall surface of fixed ring Ⅱ801 is provided with groove Ⅱ804.

[0034] The edge of round hole Ⅱ9 is provided with filling groove Ⅱ11, and the edge of filling groove Ⅱ11 is provided with nano-silver coating Ⅱ10.

[0035] Use method: when osteomyelitis and nonunion with poor skin and soft tissue conditions, infection near the metaphyseal, especially complex and severe difficult tibial osteomyelitis with foot deformity, Ilizarov ring external fixator can be used. The first protection body 7 and the second protection body 8 can form a circular cylindrical structure, the semicircular cylinder 704 and the semicircular cylinder 803 cover the patient's affected area, which is placed inside the internal fixator, that is, between the fixed ring of the external fixator and the patient's affected area. One side is in contact with the position of the skin contact of the patient, and the other side is in contact with the fixed ring of the external fixator. The fixed steel needle passes through the round hole 9 on the surface of the semicircular cylinder 704 and the semicircular cylinder 803, so it can be fixed well. The fixed steel needle can be fixed well, which can prevent the fixed steel needle from being rubbed with the skin of the patient due to the movement of the patient. The recess 703 and the recess 804 can form a circular recess during use, which can be used for clamping with the fixed ring in the external fixator, so that the clamping between the skin protector and the external fixator is more comfortable and close, which is beneficial to the fixation of the patient's affected area. The nano silver coating 10 is close to the contact position of the fixed steel needle and the skin of the patient, so it can play a role in antibacterial and anti-inflammatory. At the same time, the filling recess 11 can be filled with medical cotton or gauze 12, which can absorb the effusion of the contact position of the fixed steel needle and the skin of the patient on the one hand, and can absorb the sweat of the patient's affected area on the other hand when it is hot in summer, which is beneficial to the rehabilitation of the patient.

Claims

1. A skin protector for an orthopedic bone transport external fixator, characterized in that: The first protection body II (7) is fixedly installed with the side wall surface of the second protection body II (8), and the first protection body II (7) and the second protection body II (8) form a cylindrical structure.

2. The skin protector for a bone transport external fixator according to claim 1, wherein: The first protection body II (7) comprises two fixed rings I (702) and a semi-cylindrical body I (704), the two fixed rings I (702) are fixedly connected with the semi-cylindrical body I (704), and the surface of the semi-cylindrical body I (704) is uniformly provided with a plurality of round holes (9).

3. The skin protector for bone transport external fixator according to claim 2, wherein: The second protection body II (8) comprises two fixed rings II (801) and a semi-cylindrical body II (803), the two fixed rings II (801) are fixedly connected with the semi-cylindrical body II (803), and the surface of the semi-cylindrical body II (803) is uniformly provided with a plurality of round holes (9).

4. The skin protector for bone transport external fixator according to claim 3, wherein: The side wall surface of the fixed ring I (702) is fixedly connected with a fixed rod II (701), the side wall surface of the fixed ring II (801) is provided with a clamping groove II (802), the other side wall of the fixed ring I (702) is provided with a groove I (703), and the other side wall surface of the fixed ring II (801) is provided with a groove II (804).

5. The skin protector for bone transport external fixator according to claim 4, wherein: The edge of the round hole (9) is provided with a filling groove (11), and the edge of the filling groove (11) is provided with a nano-silver coating II (10).

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