Thigh adductor exerciser

Abstract

The invention provides a thigh adductor exerciser which is used for stretching thigh adductor of a subject and comprises a stand column unit, a connecting unit and a stretching unit. A rotating shaft is mounted on the lower side of a frame base plate of the stretching unit, and a first external thread section and a second external thread section are formed on the rotating shaft; the thread coiling directions of the first external thread section and the second external thread section are opposite; a first stretching component comprising a first roller is mounted on the first external thread section; a second stretching component comprising a second roller is mounted on the second external thread section; the first roller and the second roller are used for applying pressure to the thigh adductor muscle of the subject; a motor is mounted on the frame body; the output end of the motor is connected with the rotating shaft through a transmission device to drive the rotating shaft to rotate forwards or backwards; when the motor drives the rotating shaft to rotate forwards, the first stretching component and the second stretching component move in the direction away from the center position of the frame base plate, and stretching on the thigh adductor muscle of the subject is achieved.

Description

Technical Field

[0001] The present application relates to a medical device, and in particular to a thigh adductor muscle exerciser. Background Art

[0002] Patients with lower limb muscle atrophy due to cerebral infarction or prolonged lack of lower limb exercise who undergo femoral neck fracture and hemiarthroplasty often experience pain in the adductor muscles. This is because the implantation of the artificial femoral head stretches the atrophied adductor muscles, causing pain. These patients find it difficult to perform adductor muscle exercises preoperatively using conventional fitness equipment. Summary of the Invention

[0003] In view of the above problems, the present application aims to propose a thigh adductor muscle exerciser, which is used to stretch the thigh adductor muscle on the affected side physically before surgery, gradually stretch the atrophied thigh adductor muscle, and thus avoid postoperative traction pain.

[0004] The thigh adductor muscle exerciser of the present application is used to stretch the thigh adductor muscles of a subject, and comprises: Column unit, connection unit, stretching unit; The stretching unit is mounted to the upper end of the column unit via the connecting unit; The stretching unit includes a frame body, the frame body includes a frame base plate, a rotating shaft is installed on the lower side of the frame base plate, and a first external thread segment and a second external thread segment adjacent to each other are formed on the rotating shaft; the thread winding direction of the first external thread segment is opposite to that of the second external thread segment; a first stretching member is installed on the first external thread segment, and the first stretching member includes a plate-shaped first body; a second threaded hole is formed on the first body, and the first stretching member is coupled to the first external thread segment through the second threaded hole; a second stretching member is installed on the second external thread segment, and the second stretching member includes a plate-shaped second body; a third threaded hole is formed on the second body, and the second stretching member is coupled to the second external thread segment through the third threaded hole; the lower end of the first body is extended outward to form The first roller and the second body have a second roller extending outward from the lower end thereof; the first roller and the second roller are arranged opposite to each other and in parallel, and the first roller and the second roller are used to apply pressure on the adductor muscles of the thigh of the subject, and the axes of the first roller and the second roller are respectively perpendicular to the extension direction of the adductor muscles of the thigh of the subject; a motor is installed on the frame body; the output end of the motor is connected to the rotating shaft through a transmission device to drive the rotating shaft to rotate forward or reverse; when the motor drives the rotating shaft to rotate forward, the first stretching member and the second stretching member respectively move in a direction away from the center position of the frame substrate, thereby the first roller and the second roller move in opposite directions, applying a pair of thrusts in opposite directions on the adductor muscles of the thigh of the subject, so that the adductor muscles of the thigh are stretched.

[0005] Preferably, a linear groove is formed on the lower side of the frame substrate along its length direction; A first protrusion is formed at the upper end of the first body, and a second protrusion is formed at the upper end of the second body; the first protrusion and the second protrusion are slidably accommodated in the groove.

[0006] Preferably, the first roller includes a first roller shaft and a first roller body, the first roller body is rotatably mounted on the first roller shaft, and there is a predetermined damping between the first roller shaft and the first roller body; The second roller includes a second roller rotating shaft and a second roller body. The second roller body is rotatably mounted on the second roller rotating shaft, and predetermined damping exists between the second roller rotating shaft and the second roller body.

[0007] Preferably, a first end wall is formed vertically downwardly at the first end of the frame substrate, and a second end wall is formed vertically downwardly at the second end of the frame substrate; the first end of the rotating shaft can be rotatably mounted in a first mounting hole formed on the first end wall, and the second end of the rotating shaft can be rotatably mounted in a second mounting hole formed on the second end wall; the first threaded segment and the second threaded segment are located between the first end wall and the second end wall.

[0008] Preferably, the motor is mounted on the upper side of the frame substrate; a first gear is mounted on the output shaft of the motor; The first end of the rotating shaft extends to the outside of the first end wall; a second gear is installed on the first end of the rotating shaft, and the second gear is meshed with the first gear to form the transmission device.

[0009] Preferably, the column unit comprises: a base, a sleeve, and a rod assembly; The sleeve is formed on the upper side of the base; the lower end of the plunger assembly is inserted into the sleeve from the upper end of the sleeve; a first threaded hole is formed on the sleeve; a first bolt is installed in the first threaded hole; the end of the first bolt abuts against the outer peripheral surface of the plunger assembly, thereby fixing the plunger assembly at a predetermined height position of the sleeve; A lug is formed on the side of the upper end of the rod assembly; a first through hole is formed on the lug; a first U-shaped notch is formed at the first end of the connecting unit; a second through hole is formed at the first end of the connecting unit, and the second through hole passes through the first U-shaped notch; the lug is inserted into the first U-shaped notch; the second bolt and nut assembly is installed in the first through hole and the second through hole to fix the upper end of the rod assembly to the connecting unit.

[0010] Preferably, the insertion rod assembly includes a main rod body, and a sub-rod body is formed by extending downward from the lower end of the main rod body; a stop block is formed at the lower end of the sub-rod body; a sub-tube body is sleeved on the sub-rod body, and the sub-tube body is located above the stop block; a solenoid-shaped compression spring is installed between the upper end of the sub-tube body and the lower end of the main rod body; the compression spring is sleeved on the outer periphery of the sub-rod body; the sub-tube body of the insertion rod assembly is inserted into the sleeve via the upper end of the sleeve; the end of the first bolt rests on the outer periphery of the sub-tube body.

[0011] Preferably, a pancake-shaped pressing plate is formed at the upper end of the main rod body, and the main rod body is perpendicular to the pressing plate.

[0012] Preferably, a first connecting plate and a second connecting plate are formed on the frame substrate; a third through hole is formed at the upper end of the first connecting plate; a fourth through hole is formed at the lower end of the first connecting plate; a fifth through hole is formed at the upper end of the second connecting plate, and the lower end of the second connecting plate is integrally formed on the upper side of the frame substrate; a fourth bolt and nut assembly is installed in the fourth through hole at the lower end of the first connecting plate and the fifth through hole at the upper end of the second connecting plate, thereby fixing the first connecting plate and the second connecting plate together.

[0013] Preferably, a second U-shaped notch is formed at the second end of the connecting unit; a sixth through hole is formed at the second end of the connecting unit, and the sixth through hole passes through the second U-shaped notch; the upper end of the first connecting plate is accommodated in the second U-shaped notch, and a third bolt and nut assembly is installed in the sixth through hole at the second end of the connecting unit and the third through hole at the upper end of the first connecting plate, thereby connecting the connecting unit and the stretching unit together.

[0014] With the thigh adductor muscle exerciser of the present application, when the rotating shaft rotates, the two rollers move in opposite directions, so that the two rollers stretch the thigh adductor muscles, so that the atrophied thigh adductor muscles of the subject are continuously extended and restored to their normal length. In this way, after the artificial femoral head prosthesis is implanted, the thigh adductor muscle traction pain suffered by the subject will be significantly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 、 2 This is a schematic diagram of the three-dimensional structure of the thigh adductor muscle exerciser of the present application.

[0016] Figure 3 for Figure 1 A schematic side view of the structure of a thigh adductor exerciser.

[0017] Figure 4 for Figure 1 A schematic diagram of the main structure of the column unit of the thigh adductor muscle exerciser.

[0018] Figure 5 for Figure 4 Schematic diagram of the three-dimensional structure of the rod assembly of the column unit.

[0019] Figure 6 for Figure 1 A schematic diagram of the three-dimensional structure of the connection unit of the thigh adductor muscle exerciser.

[0020] Figure 7 、 8 for Figure 1 Schematic diagram of the three-dimensional structure of the stretching unit of the thigh adductor muscle exerciser.

[0021] Figure 9 for Figure 8 Schematic diagram of the three-dimensional structure of the frame body of the stretching unit.

[0022] Figure 10 for Figure 8 Schematic diagram of the three-dimensional structure of the tensile component of the tensile unit. DETAILED DESCRIPTION

[0023] Below, the thigh adductor muscle exerciser of the present application is described in detail with reference to the accompanying drawings.

[0024] The thigh adductor muscle exerciser of the present application is used to stretch the thigh adductor muscles of a subject, and comprises: The column unit 10 , the connection unit 20 , and the stretching unit 30 .

[0025] The stretching unit 30 is mounted to the upper end of the column unit 10 through the connecting unit 20 .

[0026] like Figure 7 、 8As shown, the stretching unit 30 includes a frame body, which includes a frame base plate 34. A rotating shaft 36 is installed on the lower side of the frame base plate 34. A first external thread segment and a second external thread segment are formed on the rotating shaft 36. The first external thread segment and the second external thread segment have opposite thread winding directions. A first stretching member is installed on the first external thread segment. The first stretching member includes a plate-shaped first body 37a. A second threaded hole 37a1 is formed on the first body 37a. The first stretching member is connected to the first external thread segment through the second threaded hole 37a1. A second threaded hole 37a1 is formed on the second external thread segment. The second stretching member includes a plate-shaped second body 37b having a third threaded hole formed therein, through which the second stretching member is coupled to the second externally threaded section. A first roller is formed outwardly from the lower end of the first body 37a, and a second roller is formed outwardly from the lower end of the second body 37b. The first roller and the second roller are arranged parallel to each other and are used to apply pressure to the subject's adductor muscles. The axes of the first roller and the second roller are perpendicular to the extension direction of the subject's adductor muscles. A motor 35 is mounted on the frame. The output end of the motor 35 is connected to a rotating shaft 36 via a transmission device to drive the rotating shaft 36 in forward or reverse rotation. When the motor 35 drives the rotating shaft 36 in forward rotation, the first and second stretching members move away from the center of the frame base plate, thereby moving the first and second rollers in opposite directions, applying a pair of opposite thrusts to the subject's adductor muscles, thereby stretching the adductor muscles from the middle to the ends.

[0027] A linear groove 34 a is formed on the lower side of the frame substrate 34 along its length.

[0028] A first protrusion 37a2 is formed at the upper end of the first body 37a, and a second protrusion is formed at the upper end of the second body 37b. The first and second protrusions 37a2 and 37b are slidably received in the groove 34a. The first and second protrusions 37a2 and 37b engage with the groove 34a to prevent the first and second bodies 37a, 37b from rotating relative to the frame substrate 34.

[0029] The first roller includes a first roller shaft 38a1 and a first roller body 38a. The first roller body 38a is rotatably mounted on the first roller shaft 38a1. The first roller body 38a is preferably made of plastic or rubber. Predetermined damping exists between the first roller shaft 38a1 and the first roller body 38a.

[0030] Similarly, the second roller includes a second roller rotating shaft and a second roller body. The second roller body is rotatably mounted on the second roller rotating shaft, and there is a predetermined damping between the second roller rotating shaft and the second roller body.

[0031] A first end wall 34c is formed vertically downwardly at the first end of the frame substrate 34, and a second end wall 34b is formed vertically downwardly at the second end of the frame substrate 34; the first end of the rotating shaft 36 can be rotatably mounted in a first mounting hole formed on the first end wall, and the second end of the rotating shaft 34 can be rotatably mounted in a second mounting hole formed on the second end wall; the first threaded section and the second threaded section are located between the first end wall 34c and the second end wall 34b.

[0032] The motor 35 is mounted on the upper side of the frame substrate 34 ; a first gear 35 a is mounted on the output shaft of the motor 35 .

[0033] The first end of the rotating shaft 34 extends to the outside of the first end wall 34c; a second gear 36a is mounted on the first end of the rotating shaft 34, and the second gear 36a is engaged with the first gear 35a to form a transmission device.

[0034] The column unit 10 includes a base, a sleeve 11 and a rod assembly.

[0035] The sleeve 11 is formed on the upper side of the base; the lower end of the rod assembly is inserted into the sleeve from the upper end of the sleeve 11; a first threaded hole is opened on the sleeve 11; a first bolt 17 is installed in the first threaded hole; the end of the first bolt 17 rests on the outer peripheral surface of the rod assembly, thereby fixing the rod assembly at a predetermined height position of the sleeve.

[0036] The upper end of the plunger assembly is formed with a lug 16 on the side; a first through-hole is formed in the lug 16; and the connecting unit 20 includes a connecting body 21. A first U-shaped notch is formed at the first end of the connecting unit 20; a second through-hole is formed at the first end of the connecting unit, and the second through-hole extends through the first U-shaped notch 22; the lug 16 is inserted into the first U-shaped notch 22; and a second bolt and nut assembly 24 is installed in the first and second through-holes, securing the upper end of the plunger assembly to the connecting unit 20.

[0037] The insertion rod assembly includes a main rod body 12, and the lower end of the main rod body 12 extends downward to form a sub-rod body; the lower end of the sub-rod body is formed with a stopper 18; the sub-tube body 13 is sleeved on the sub-rod body, and the sub-tube body 13 is located above the stopper; a solenoid-shaped compression spring 14 is installed between the upper end of the sub-tube body 13 and the lower end of the main rod body 12; the compression spring 14 is sleeved on the outer periphery of the sub-rod body; the sub-tube body 13 of the insertion rod assembly is inserted into the sleeve 11 via the upper end of the sleeve 11; the end of the first bolt 17 rests on the outer peripheral surface of the sub-tube body 13.

[0038] A pancake-shaped pressing plate 15 is formed at the upper end of the main rod body 12, and the main rod body 12 is perpendicular to the pressing plate 15. The user presses the main rod body 12 downward through the pressing plate.

[0039] A first connecting plate 31 and a second connecting plate 32 are formed on the frame substrate 34; a third through hole is formed at the upper end of the first connecting plate 31; a fourth through hole is formed at the lower end of the first connecting plate 31; a fifth through hole is formed at the upper end of the second connecting plate 32, and the lower end of the second connecting plate 23 is integrally formed on the upper side of the frame substrate 34; a fourth bolt and nut assembly 33 is installed in the fourth through hole at the lower end of the first connecting plate 31 and the fifth through hole at the upper end of the second connecting plate 32, thereby fixing the first connecting plate 31 and the second connecting plate 32 together.

[0040] A second U-shaped notch 23 is formed at the second end of the connecting unit 20; a sixth through hole is formed at the second end of the connecting unit 20, and the sixth through hole passes through the second U-shaped notch 23; the upper end of the first connecting plate 31 is accommodated in the second U-shaped notch 23, and a third bolt and nut assembly 25 is installed in the sixth through hole at the second end of the connecting unit 20 and the third through hole at the upper end of the first connecting plate 31, thereby connecting the connecting unit 20 and the stretching unit 30 together.

[0041] The axes of the second bolt and nut assembly 24 and the third bolt and nut assembly 25 are parallel; the axis of the fourth bolt and nut assembly 33 and the axis of the third bolt and nut assembly 25 are perpendicular.

[0042] When using it, the subject first lies flat on their back with the limb extended to fully expose the adductor muscles. The entire exerciser is adjusted to an appropriate height by loosening the first bolt, the second bolt-nut assembly, and the third bolt-nut assembly. Then, by loosening the fourth bolt-nut assembly, the extension direction of the rotating shaft is adjusted so that the extension direction of the rotating shaft is consistent with the extension direction of the adductor muscles. When the user does not press down on the main rod with the pressing plate, the first roller and the second roller are in a close position above the skin on the upper side of the subject's adductor muscles. Figure 1As shown, it is located in the middle of the adductor muscles of the middle thigh. The user then presses down on the main rod, causing the sub-rod to slide down along the sub-tube. The compression spring is further compressed, causing the main rod's band-like connecting unit to move downward, which in turn moves the stretching unit downward, causing the two rollers to firmly press against the skin above the adductor muscles. The motor is then activated to rotate forward, driving the rotating shaft. The first and second externally threaded sections on the shaft respectively drive the first and second bodies to move in opposite directions, resulting in the first and second rollers moving in opposite directions. During this movement, the rollers push the adductor muscles from the center outward, stretching and stretching them from the center outward. The user releases the pressing plate, and the compression spring causes the main rod to move upward, driving the connecting unit upward. The connecting unit then drives the stretching unit upward, releasing contact between the two rollers and the subject. The motor then reverses, returning the two rollers to their center position. The above steps are then repeated to continue stretching. Stretching exercises can be performed in sets, each set of 10 stretches. Several times a day, the subjects' thigh adductor muscles were stretched before surgery to restore the atrophied thigh adductor muscles to the appropriate length and avoid postoperative stretch pain.

Claims

1. A thigh adductor muscle exerciser for stretching the thigh adductor muscles of a subject, characterized in that include: Column unit, connection unit, stretching unit; The stretching unit is mounted to the upper end of the column unit via the connecting unit; The stretching unit includes a frame body, the frame body includes a frame base plate, a rotating shaft is installed on the lower side of the frame base plate, and a first external thread segment and a second external thread segment adjacent to each other are formed on the rotating shaft; the thread winding direction of the first external thread segment is opposite to that of the second external thread segment; a first stretching member is installed on the first external thread segment, and the first stretching member includes a plate-shaped first body; a second threaded hole is formed on the first body, and the first stretching member is coupled to the first external thread segment through the second threaded hole; a second stretching member is installed on the second external thread segment, and the second stretching member includes a plate-shaped second body; a third threaded hole is formed on the second body, and the second stretching member is coupled to the second external thread segment through the third threaded hole; the lower end of the first body is extended outward to form The first roller and the second body have a second roller extending outward from the lower end thereof; the first roller and the second roller are arranged opposite to each other and in parallel, and the first roller and the second roller are used to apply pressure on the adductor muscles of the thigh of the subject, and the axes of the first roller and the second roller are respectively perpendicular to the extension direction of the adductor muscles of the thigh of the subject; a motor is installed on the frame body; the output end of the motor is connected to the rotating shaft through a transmission device to drive the rotating shaft to rotate forward or reverse; when the motor drives the rotating shaft to rotate forward, the first stretching member and the second stretching member respectively move in a direction away from the center position of the frame substrate, thereby the first roller and the second roller move in opposite directions, applying a pair of thrusts in opposite directions on the adductor muscles of the thigh of the subject, so that the adductor muscles of the thigh are stretched.

2. The thigh adductor muscle exerciser according to claim 1, characterized in that: A linear groove is formed on the lower side of the frame base plate along its length direction; A first protrusion is formed at the upper end of the first body, and a second protrusion is formed at the upper end of the second body; the first protrusion and the second protrusion are slidably accommodated in the groove.

3. The thigh adductor muscle exerciser according to claim 1, characterized in that: The first roller includes a first roller shaft and a first roller body, the first roller body is rotatably mounted on the first roller shaft, and there is a predetermined damping between the first roller shaft and the first roller body; The second roller includes a second roller rotating shaft and a second roller body. The second roller body is rotatably mounted on the second roller rotating shaft, and predetermined damping exists between the second roller rotating shaft and the second roller body.

4. The thigh adductor muscle exerciser according to claim 1, characterized in that: A first end wall is formed vertically downwardly at the first end of the frame substrate, and a second end wall is formed vertically downwardly at the second end of the frame substrate; the first end of the rotating shaft can be rotatably mounted in a first mounting hole formed on the first end wall, and the second end of the rotating shaft can be rotatably mounted in a second mounting hole formed on the second end wall; the first threaded segment and the second threaded segment are located between the first end wall and the second end wall.

5. The thigh adductor muscle exerciser according to claim 4, characterized in that: The motor is mounted on the upper side of the frame base plate; the first gear is mounted on the output shaft of the motor; The first end of the rotating shaft extends to the outside of the first end wall; a second gear is installed on the first end of the rotating shaft, and the second gear is meshed with the first gear to form the transmission device.

6. The thigh adductor muscle exerciser according to claim 1, characterized in that: The column unit includes: base, sleeve, and rod assembly; The sleeve is formed on the upper side of the base; the lower end of the plunger assembly is inserted into the sleeve from the upper end of the sleeve; a first threaded hole is formed on the sleeve; a first bolt is installed in the first threaded hole; the end of the first bolt abuts against the outer peripheral surface of the plunger assembly, thereby fixing the plunger assembly at a predetermined height position of the sleeve; A lug is formed on the side of the upper end of the rod assembly; a first through hole is formed on the lug; a first U-shaped notch is formed at the first end of the connecting unit; a second through hole is formed at the first end of the connecting unit, and the second through hole passes through the first U-shaped notch; the lug is inserted into the first U-shaped notch; the second bolt and nut assembly is installed in the first through hole and the second through hole to fix the upper end of the rod assembly to the connecting unit.

7. The thigh adductor muscle exerciser according to claim 6, characterized in that: The insertion rod assembly includes a main rod body, and a sub-rod body is formed by extending downward from the lower end of the main rod body; a stop block is formed at the lower end of the sub-rod body; a sub-tube body is sleeved on the sub-rod body, and the sub-tube body is located above the stop block; a solenoid-shaped compression spring is installed between the upper end of the sub-tube body and the lower end of the main rod body; the compression spring is sleeved on the outer periphery of the sub-rod body; the sub-tube body of the insertion rod assembly is inserted into the sleeve through the upper end of the sleeve; the end of the first bolt rests on the outer periphery of the sub-tube body.

8. The thigh adductor muscle exerciser according to claim 7, characterized in that: A pancake-shaped pressing plate is formed on the upper end of the main rod body, and the main rod body is perpendicular to the pressing plate.

9. The thigh adductor muscle exerciser according to claim 1, characterized in that: A first connecting plate and a second connecting plate are formed on the frame substrate; a third through hole is formed at the upper end of the first connecting plate; a fourth through hole is formed at the lower end of the first connecting plate; a fifth through hole is formed at the upper end of the second connecting plate, and the lower end of the second connecting plate is integrally formed on the upper side of the frame substrate; a fourth bolt and nut assembly is installed in the fourth through hole at the lower end of the first connecting plate and the fifth through hole at the upper end of the second connecting plate, thereby fixing the first connecting plate and the second connecting plate together.

10. The thigh adductor muscle exerciser according to claim 9, characterized in that: A second U-shaped notch is formed at the second end of the connecting unit; a sixth through hole is formed at the second end of the connecting unit, and the sixth through hole passes through the second U-shaped notch; the upper end of the first connecting plate is accommodated in the second U-shaped notch, and a third bolt and nut assembly is installed in the sixth through hole at the second end of the connecting unit and the third through hole at the upper end of the first connecting plate, thereby connecting the connecting unit and the stretching unit together.

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