Novel splint for distal radius fracture

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a novel splint for distal radius fracture, which comprises two first splints acting on the left side and the right side of a forearm respectively, two second splints acting on the upper side and the lower side of the forearm respectively and an electronic display screen. The exteriors of the two first clamping plates and the exteriors of the two second clamping plates are jointly and fixedly connected with three fastening structures distributed front and back, and the electronic display screen is fixedly connected with the exterior of the second clamping plate on the upper portion. By arranging the two first clamping plates and the two second clamping plates, the two first clamping plates and the two second clamping plates are distributed in a staggered and surrounding mode, and the three fastening structures are jointly arranged outside the first clamping plates and the two second clamping plates, when the device is used, according to the swelling condition of the forearm of a patient in the using process, the forearm of the patient can be fixed; the tightness among the four clamping plates is adjusted through the three fastening structures, and the situation that when a patient uses the device, due to the fact that the forearm swells and fades away, the device is loosened, and external fixation fails is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a novel splint for distal radius fracture. BACKGROUND

[0002] Distal radius fracture, commonly known as wrist joint fracture, refers to the fracture of radius within 3cm from the radius wrist joint surface. The incidence of such fracture accounts for about 10%-15% of the whole body fracture and 17% of emergency fracture. In the treatment process, stable and effective fixation is crucial for the healing of fracture and the recovery of function. The traditional treatment method comprises external fixation by using plaster or splint after manual reduction.

[0003] However, after wearing the traditional splint for a period of time, the splint will be loose and not firmly fixed due to the swelling subsidence of the limb and the relative micro-motion between the splint and the tissue, resulting in the displacement of the fracture end and the failure of external fixation.

[0004] Therefore, the novel splint for distal radius fracture is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a novel splint for distal radius fracture, which solves the problem that the existing splint is easy to be not firmly fixed due to the swelling subsidence of the limb and the relative micro-motion between the splint and the tissue.

[0007] (II) Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: a novel splint for distal radius fracture, comprising two first splints acting on the left and right sides of the forearm, two second splints acting on the upper and lower sides of the forearm, and an electronic display screen, three front and rear distributed fastening structures are fixedly connected outside the two first splints and the two second splints, one of the three fastening structures is located close to the elbow, one is located close to the wrist, and one is located between the former two, and the electronic display screen is fixedly connected with the upper second splint.

[0009] The fastening structure comprises an adjusting knob, a connecting rope is fixedly connected in the adjusting knob, three connecting blocks are slidingly connected outside the connecting rope, and a mechanical tension measuring device is fixedly connected, the adjusting knob and the three connecting blocks are fixedly connected with the two first splints and the two second splints, and the mechanical tension measuring device is fixedly connected with the upper second splint.

[0010] Preferably, the first clamping plate comprises a first main plate, a first adjusting structure is fixedly connected to the front of the first main plate, a first auxiliary plate is fixedly connected to the front of the first adjusting structure, a first main sponge pad is fixedly connected to the side of the first main plate close to the patient's forearm, a first auxiliary sponge pad is fixedly connected to the side of the first adjusting structure close to the patient's forearm, and four first film pressure sensors are fixedly connected to the side of the first main sponge pad away from the first main plate and the side of the first auxiliary sponge pad away from the first adjusting structure.

[0011] The second clamping plate comprises a second main plate, a second adjusting structure is fixedly connected to the front of the second main plate, a second auxiliary plate is fixedly connected to the front of the second adjusting structure, a second main sponge pad is fixedly connected to the side of the second main plate close to the patient's forearm, a second auxiliary sponge pad is fixedly connected to the side of the second auxiliary plate close to the patient's forearm, and four second film pressure sensors are fixedly connected to the side of the second main sponge pad away from the second main plate and the side of the second auxiliary sponge pad away from the second auxiliary plate.

[0012] Preferably, the first adjusting structure is the same as the second adjusting structure, and the plurality of first film pressure sensors and the plurality of second film pressure sensors are electrically connected to the electronic display screen.

[0013] Preferably, the second adjusting structure comprises a first fixing shaft, a second fixing shaft and a third fixing shaft, the third fixing shaft is located between the first fixing shaft and the second fixing shaft, a first connecting hole is formed in the side of the first fixing shaft close to the third fixing shaft, a second connecting hole is formed in the side of the second fixing shaft close to the third fixing shaft, a threaded hole communicating with the second connecting hole is formed in the side of the second fixing shaft away from the third fixing shaft, a fastening bolt is screw-connected in the threaded hole, and a connecting shaft is fixedly connected to the side of the third fixing shaft close to the first fixing shaft and to the side of the third fixing shaft close to the second fixing shaft.

[0014] Preferably, the two connecting shafts are movably connected with the first connecting hole and the second connecting hole respectively, the third fixing shaft is limit-fixed with the second fixing shaft through the fastening bolt, the first fixing shaft and the second fixing shaft are fixedly connected with the second main plate, and the third fixing shaft is fixedly connected with the second auxiliary plate.

[0015] Preferably, the adjusting knob comprises a fixed block and a fixed rod, the fixed block is fixedly connected with the right first clamping plate, a rope hole penetrating through the fixed block is formed in the middle of the outer surface of the fixed block, a movable hole and a plurality of equidistant annular array distributed limiting holes are formed in the middle of the right side of the fixed block, the movable hole is located between the plurality of limiting holes, and a movable groove in communication with the rope hole is formed in the middle of the inner surface of the movable hole, the fixed rod is located inside the movable hole and movably connected with the movable hole, a limiting ring is fixedly connected with the middle of the outer surface of the fixed rod, and the limiting ring is located inside the movable groove, the connecting rope is slidably connected with the rope hole, and the connecting rope is fixedly connected with the fixed rod, and the fixed rod is fixedly connected with an adjusting disc on the right side, a plurality of equidistant annular array distributed limiting pins are fixedly connected with the left side of the adjusting disc, and the plurality of limiting pins and the plurality of limiting holes can be embeddedly connected.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a novel splint for distal radius fracture, has the following beneficial effects:

[0018] 1、 this novel splint for distal radius fracture, by being provided with two first clamping plates and two second clamping plates, and two first clamping plates and two second clamping plates are staggered and encircle distribution, and are commonly provided with three fastening structures outside, when using the device, the tightness between the four clamping plates can be adjusted through three fastening structures according to the swelling condition of the patient's forearm when using, avoid the patient when using the device, because the forearm swelling subsides and the device is loose, leading to external fixation failure.

[0019] 2、 this novel splint for distal radius fracture, by being provided with mechanical tension measuring device in three fastening structures, and being provided with a plurality of film pressure sensors on the side close to the forearm of four clamping plates, and being provided with electronic display screen connected with a plurality of film pressure sensors in the device, when using the device, the pressure of four clamping plates clamping the forearm can be displayed through the tension measuring device and electronic display screen when the tightness is adjusted, so as to realize more accurate tightness adjustment of four clamping plates, avoid the secondary injury to the patient's affected limb.

[0020] 3、 this novel splint for distal radius fracture, by setting four clamping plates into two-section structure, and being provided with adjusting structure between two-section structure, so that the device can adjust the angle of the part structure close to the patient's hand side of the clamping plate according to the hand profile of the patient through the adjusting structure when using, so that the device can clamp and fix the forearm of the patient without causing strong compression to the hand of the patient. ACCURACY

[0021] The drawings described herein are intended to provide further understanding of the present application, form a part of the application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 is a use schematic view of the present application;

[0023] Figure 2 is a three-dimensional structure schematic view of the present application;

[0024] Figure 3 is a width comparison schematic view of the first clamping plate and the second clamping plate of the present application;

[0025] Figure 4 is a three-dimensional structure split schematic view of the first clamping plate and the second clamping plate of the present application;

[0026] Figure 5 is a three-dimensional structure split schematic view of the second adjusting mechanism of the present application;

[0027] Figure 6 is a three-dimensional structure schematic view of the fastening structure of the present application;

[0028] Figure 7 is a three-dimensional structure split schematic view of the adjusting knob of the present application.

[0029] In the drawings: 1, first clamping plate; 2, second clamping plate; 3, fastening structure; 4, electronic display screen; 11, first main plate; 12, first adjusting structure; 13, first auxiliary plate; 14, first main sponge pad; 15, first auxiliary sponge pad; 16, first thin film pressure sensor; 21, second main plate; 22, second adjusting structure; 23, second auxiliary plate; 24, second main sponge pad; 25, second auxiliary sponge pad; 26, second thin film pressure sensor; 221, first fixed shaft; 222, second fixed shaft; 223, third fixed shaft; 224, first connecting hole; 225, second connecting hole; 226, threaded hole; 227, fastening bolt; 228, connecting shaft; 31, adjusting knob; 32, connecting rope; 33, connecting block; 34, mechanical tension measuring device; 311, fixed block; 312, fixed rod; 313, rope hole; 314, movable hole; 315, limiting hole; 316, movable groove; 317, limiting ring; 318, adjusting disc; 319, limiting pin. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] The specific embodiments are given below.

[0032] Please refer to Figures 1-7 The present application provides a technical solution: a novel splint for distal radius fracture, comprising two first splints 1 acting on the left and right sides of the forearm, two second splints 2 acting on the upper and lower sides of the forearm, and an electronic display screen 4, characterized in that: the two first splints 1 and the two second splints 2 are externally and jointly fixedly connected with three front and rear distributed fastening structures 3, and the electronic display screen 4 is fixedly connected with the outer portion of the upper second splint 2.

[0033] The first splint 1 comprises a first main plate 11, the front portion of which is fixedly connected with a first adjusting structure 12, the front portion of the first adjusting structure 12 is fixedly connected with a first auxiliary plate 13, the side of the first main plate 11 close to the patient's forearm is fixedly connected with a first main sponge pad 14, and the side of the first adjusting structure 12 close to the patient's forearm is fixedly connected with a first auxiliary sponge pad 15. The side of the first main sponge pad 14 away from the first main plate 11 and the side of the first auxiliary sponge pad 15 away from the first adjusting structure 12 are jointly fixedly connected with four first thin film pressure sensors 16.

[0034] The second splint 2 comprises a second main plate 21, the front portion of which is fixedly connected with a second adjusting structure 22, the front portion of the second adjusting structure 22 is fixedly connected with a second auxiliary plate 23, the side of the second main plate 21 close to the patient's forearm is fixedly connected with a second main sponge pad 24, and the side of the second auxiliary plate 23 close to the patient's forearm is fixedly connected with a second auxiliary sponge pad 25. The side of the second main sponge pad 24 away from the second main plate 21 and the side of the second auxiliary sponge pad 25 away from the second auxiliary plate 23 are jointly fixedly connected with four second thin film pressure sensors 26.

[0035] Further, as shown in Figure 1 , Figure 2 and Figure 6 , Figure 7 The fastening structure 3 comprises an adjusting knob 31, the adjusting knob 31 is fixedly connected with a connecting rope 32, the connecting rope 32 is externally and slidably connected with three connecting blocks 33 and fixedly connected with a mechanical tension measuring device 34, the adjusting knob 31 and the three connecting blocks 33 are fixedly connected with the two first splints 1 and the two second splints 2 respectively, and the mechanical tension measuring device 34 is fixedly connected with the upper second splint 2.

[0036] The adjusting knob 31 comprises a fixed block 311 and a fixed rod 312, the fixed block 311 is fixedly connected with the right first clamping plate 1, a rope hole 313 penetrating through the fixed block 311 is formed in the middle of the outer surface of the fixed block 311, a movable hole 314 and a plurality of equidistant annular array distributed limiting holes 315 are formed in the middle of the right side of the fixed block 311, the movable hole 314 is located between the plurality of limiting holes 315, and a movable groove 316 in communication with the rope hole 313 is formed in the middle of the inner surface of the movable hole 314, the fixed rod 312 is located inside the movable hole 314 and is movably connected with the movable hole 314, a limiting ring 317 is fixedly connected with the middle of the outer surface of the fixed rod 312, and the limiting ring 317 is located inside the movable groove 316, the connecting rope 32 is slidably connected with the rope hole 313, and the connecting rope 32 is fixedly connected with the fixed rod 312, the fixed rod 312 is fixedly connected with an adjusting disc 318 on the right side, a plurality of equidistant annular array distributed limiting pins 319 are fixedly connected with the left side of the adjusting disc 318, and the plurality of limiting pins 319 and the plurality of limiting holes 315 can be embeddedly connected.

[0037] Through the above scheme: by being provided with two first clamping plates 1 and two second clamping plates 2, and the two first clamping plates 1 and the two second clamping plates 2 are staggered and distributed around each other, and are commonly provided with three fastening structures 3 outside, when using the device, the tightness between the four clamping plates can be adjusted through the three fastening structures 3 according to the swelling condition of the patient's forearm during use, so as to avoid the loosening between the patient's forearm and the device due to the swelling and subsiding of the forearm during use of the device, resulting in external fixation failure.

[0038] Further, as shown in Figures 1-5 The first adjusting structure 12 and the second adjusting structure 22 are the same in structure, the plurality of first film pressure sensors 16 and the plurality of second film pressure sensors 26 are electrically connected with the electronic display screen 4, the second adjusting structure 22 comprises a first fixed shaft 221, a second fixed shaft 222 and a third fixed shaft 223, the third fixed shaft 223 is located between the first fixed shaft 221 and the second fixed shaft 222, a first connecting hole 224 is formed in the side of the first fixed shaft 221 close to the third fixed shaft 223, a second connecting hole 225 is formed in the side of the second fixed shaft 222 close to the third fixed shaft 223, a threaded hole 226 in communication with the second connecting hole 225 is formed in the side of the second fixed shaft 222 away from the third fixed shaft 223, a fastening bolt 227 is threadedly connected inside the threaded hole 226, a connecting shaft 228 is fixedly connected with the side of the third fixed shaft 223 close to the first fixed shaft 221 and the side close to the second fixed shaft 222, the two connecting shafts 228 are movably connected with the first connecting hole 224 and the second connecting hole 225 respectively, the third fixed shaft 223 is limitingly fixed with the second fixed shaft 222 through the fastening bolt 227, the first fixed shaft 221 and the second fixed shaft 222 are fixedly connected with the second main plate 21, and the third fixed shaft 223 is fixedly connected with the second auxiliary plate 23.

[0039] Through the above scheme: by setting the four clamps as two-section structure, and setting adjusting structure between the two-section structure, so that the device can be used according to the hand contour of the patient, the angle of the part of the clamp close to the patient's hand side is adjusted by the adjusting structure, so that the device can clamp and fix the patient's forearm without strong compression on the patient's hand.

[0040] Working principle: first, the patient's affected limb is placed between the four clamps, so that the clamp vice plate part is located in the direction of the patient's hand, then the four clamps are fastened through the two fastening structures 3 of the four clamp main plate positions, after the four clamps are preliminarily fastened, the angle of the vice plate is adjusted through the adjusting structure in the clamp according to the hand contour of the patient, after the angle of the vice plate is adjusted, the four vice plates are tightened through the fastening structure 3 outside the four vice plates, when the device is used, the tightness of the four clamps can be adjusted again through the adjusting knob 31 in the three fastening structures 3 after the swelling of the patient's forearm subsides, and the clamping force between the four clamps is observed through the mechanical tension measuring device 34 in the fastening structure 3 and the electronic display screen 4 connected with the plurality of film pressure sensors in the device, so as to avoid the secondary injury to the patient's affected limb caused by the excessive adjustment of the tightness between the four clamps.

[0041] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A new type of splint for distal radius fracture, comprising two first splints (1) respectively acting on the left and right sides of the forearm, two second splints (2) respectively acting on the upper and lower sides of the forearm, and an electronic display screen (4), characterized in that: The two first clamping plates (1) and the two second clamping plates (2) are externally and jointly fixedly connected with three front and rear distributed fastening structures (3), and the electronic display screen (4) is fixedly connected with the outer portion of the upper second clamping plate (2). The fastening structure (3) comprises an adjusting knob (31), the adjusting knob (31) is fixedly connected with a connecting rope (32), the connecting rope (32) is externally and slidably connected with three connecting blocks (33) and fixedly connected with a mechanical tension measuring device (34), the adjusting knob (31) and the three connecting blocks (33) are respectively fixedly connected with the two first clamping plates (1) and the two second clamping plates (2), and the mechanical tension measuring device (34) is fixedly connected with the upper second clamping plate (2).

2. The new splint for distal radius fracture according to claim 1, characterized in that: The width of the second clamping plate (2) is greater than the width of the first clamping plate (1).

3. The new splint for distal radius fracture according to claim 1, characterized in that: The three fastening structures (3) are distributed along the front and rear direction of the forearm, one of which is located near the elbow, one of which is located near the wrist, and one of which is located between the two.

4. The new splint for distal radius fracture according to claim 1, characterized in that: The first clamping plate (1) comprises a first main plate (11), the first main plate (11) is fixedly connected with a first adjusting structure (12) at the front portion, the first adjusting structure (12) is fixedly connected with a first auxiliary plate (13) at the front portion, the first main plate (11) is fixedly connected with a first main sponge pad (14) on the side close to the patient's forearm, the first adjusting structure (12) is fixedly connected with a first auxiliary sponge pad (15) on the side close to the patient's forearm, and the first main sponge pad (14) on the side away from the first main plate (11) and the first auxiliary sponge pad (15) on the side away from the first adjusting structure (12) are jointly fixedly connected with four first film pressure sensors (16), and the plurality of first film pressure sensors (16) are electrically connected with the electronic display screen (4). The second clamping plate (2) comprises a second main plate (21), the second main plate (21) is fixedly connected with a second adjusting structure (22) at the front portion, the second adjusting structure (22) is fixedly connected with a second auxiliary plate (23) at the front portion, the second main plate (21) is fixedly connected with a second main sponge pad (24) on the side close to the patient's forearm, the second auxiliary plate (23) is fixedly connected with a second auxiliary sponge pad (25) on the side close to the patient's forearm, and the second main sponge pad (24) on the side away from the second main plate (21) and the second auxiliary sponge pad (25) on the side away from the second auxiliary plate (23) are jointly fixedly connected with four second film pressure sensors (26), and the plurality of second film pressure sensors (26) are electrically connected with the electronic display screen (4).

5. The novel splint for distal radius fracture as claimed in claim 4, wherein: The first adjusting structure (12) and the second adjusting structure (22) are the same in structure.

6. The new splint for distal radius fracture according to claim 5, characterized in that: The second adjusting structure (22) comprises a first fixed shaft (221), a second fixed shaft (222) and a third fixed shaft (223), the third fixed shaft (223) is located between the first fixed shaft (221) and the second fixed shaft (222), a first connecting hole (224) is formed in the side of the first fixed shaft (221) close to the third fixed shaft (223), a second connecting hole (225) is formed in the side of the second fixed shaft (222) close to the third fixed shaft (223), a threaded hole (226) in communication with the second connecting hole (225) is formed in the side of the second fixed shaft (222) away from the third fixed shaft (223), a fastening bolt (227) is screw-connected in the threaded hole (226), and a connecting shaft (228) is fixedly connected to the side of the third fixed shaft (223) close to the first fixed shaft (221) and to the side of the third fixed shaft (223) close to the second fixed shaft (222). The two connecting shafts (228) are movably connected with the first connecting hole (224) and the second connecting hole (225) respectively, the third fixed shaft (223) is limit-fixed with the second fixed shaft (222) through the fastening bolt (227), and the first fixed shaft (221) and the second fixed shaft (222) are fixedly connected with the second main plate (21). The third fixed shaft (223) is fixedly connected with the second auxiliary plate (23).

7. The new splint for distal radius fracture as claimed in claim 1, wherein: The adjusting knob (31) comprises a fixed block (311) and a fixed rod (312), the fixed block (311) is fixedly connected with the right first clamping plate (1), a rope hole (313) penetrating through the fixed block (311) is formed in the middle of the outer surface of the fixed block (311), a movable hole (314) and a plurality of equidistant annular array distributed limiting holes (315) are formed in the right middle of the fixed block (311), the movable hole (314) is located between the plurality of limiting holes (315), an active groove (316) in communication with the rope hole (313) is formed in the middle of the inner surface of the movable hole (314), the fixed rod (312) is located in the movable hole (314) and movably connected with the movable hole (314), a limiting ring (317) is fixedly connected to the middle of the outer surface of the fixed rod (312), and the limiting ring (317) is located in the active groove (316), the connecting rope (32) is slidably connected with the rope hole (313), and the connecting rope (32) is fixedly connected with the fixed rod (312), an adjusting disc (318) is fixedly connected to the right side of the fixed rod (312), a plurality of equidistant annular array distributed limiting pins (319) are fixedly connected to the left side of the adjusting disc (318), and the plurality of limiting pins (319) and the plurality of limiting holes (315) can be embeddedly connected.

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