CN209316087U - An upper limb fixed traction frame - Google Patents

Abstract

The utility model relates to a kind of upper limb fixed traction framves, including pallet (1), pedestal (2) and adjusting bracket (3), the lower end of the adjusting bracket (3) is fixed on pedestal (2), the upper end of adjusting bracket (3) is connected with pallet (1), it is characterized in that, the stabilizing brace (4) to match with hand and wrist joint is equipped with above the pallet (1), the adjusting bracket (3) includes sequentially connected vertical telescopic rod a (31), horizontal extension bar (32) and vertical telescopic rod b (33), the vertical telescopic rod a (31) is connected with pallet (1), pass through vertical telescopic rod a (31), horizontal extension bar (32) and the flexible and horizontal rotation shaft (35) of vertical telescopic rod b (33) horizontally rotate achievable pallet (1) on three degree of freedom Position.Compared with prior art, the utility model has many advantages, such as fixed reliable, flexible adjustment, saves manual operation.

Description

An upper limb fixed traction frame

technical field

The utility model relates to a traction frame for medical use, in particular to a traction frame for fixing upper limbs.

Background technique

At present, in the clinical practice of disinfection of upper limbs, an additional assistant is often needed to raise the upper limbs by pulling the hand, so that the operator can perform disinfection. The fixed traction frame for the upper limbs can help to raise the upper limbs firmly and stably, reducing manpower consumption, and avoiding manual labor. Pulling mistakes caused the upper limb to slip and cause re-injury. The upper limb fixation frame currently used only places the upper limb on the shelf without firm fixation. This design not only causes the upper limb to slip easily, causing re-injury. And it often leads to insufficient scope of surgical disinfection, which is clinically inconvenient. In the fracture operation of the upper limb, it is often necessary to pull the upper limb to assist in the reduction of the fracture, but the current upper limb support does not have such a pulling effect.

CN201120248038.2 discloses a multifunctional upper limb traction frame, which includes a base, a support rod, a tray, and a traction bow. A support rod is vertically provided on the rectangular base, and the support rod is a telescopic sleeve. A height adjustment bolt is provided on the support rod, a rectangular groove-shaped tray is arranged on the support rod, the triangular traction bow is connected with the front end of the tray, and a pulley is provided at the top of the triangular traction bow. This technical solution uses a telescopic sleeve support tube to cooperate with the tray to achieve traction of the upper limbs, but the upper limb traction frame cannot achieve the fixation of the upper limbs, and the two-dimensional telescopic movement provided only by the telescopic sleeve is difficult to meet the actual needs. Traction needs.

Contents of the invention

The purpose of the utility model is to provide a fixed traction frame for upper limbs in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

An upper limb fixed traction frame, comprising a tray, a base and an adjustment bracket, the lower end of the adjustment bracket is fixed on the base, the upper end of the adjustment bracket is connected with the tray, and the upper part of the tray is equipped with a The fixed support, the adjustment bracket includes a vertical telescopic rod a, a horizontal telescopic rod and a vertical telescopic rod b connected in sequence, the vertical telescopic rod a is connected with the tray, and the vertical telescopic rod b Vertically connected to the base, the horizontal telescopic rod is provided with a horizontal rotation axis, through the expansion and contraction of the vertical telescopic rod a, the horizontal telescopic rod and the vertical telescopic rod b, and the horizontal rotation of the horizontal rotation shaft, the tray can be rotated in three directions. Position adjustments in degrees of freedom.

Further, the extension rod is movably nested inside the fixing sleeve, and the fixing sleeve is provided with a tightening part, and the extension rod is fixed by rotating the tightening part after the extension rod is elongated.

Further, the elongated end of the vertical telescopic rod a is vertically connected to the bottom of the tray, and a horizontal rotation shaft is provided at the connection, and the tray can rotate horizontally through the horizontal rotation shaft.

Further, the extension rod of the horizontal telescopic rod is vertically connected to the fixed sleeve of the vertical telescopic rod a, the fixed sleeve of the horizontal telescopic rod is vertically connected with the extension rod of the vertical telescopic rod b, and the vertical telescopic rod b is vertically connected. The fixing sleeve of the telescopic rod b is vertically connected to the base.

Further, the horizontal rotation shaft is arranged in the middle of the fixed sleeve of the horizontal telescopic rod.

Further, the slider is connected with the extension rod of the vertical telescopic rod a through a horizontal rotation shaft.

Further, the tray is provided with a screw transmission mechanism, including a screw and a handle, the upper surface of the slider is provided with a screw thread that matches the screw, and the two ends of the tray are respectively provided with a bearing a and a bearing b , the two ends of the screw are respectively fixed on the bearing a and the bearing b.

The fixed brace includes a backing plate and a fixed sticky tape that match the hand and wrist. In addition, the fixed sticky tape can be replaced by an electric tightening device, finally realizing the clamping of the hand and the wrist.

Compared with the prior art, in the utility model, the wrist is firmly fixed on the traction frame through the fixed support matched with the hand and the wrist joint, and it is not easy to fall off; the tray, the base, the slider and the screw transmission mechanism constitute The integrated traction tool can slowly pull the upper limbs to the far end, which is beneficial to the fine operation in the operation and assists in the fracture reduction; in this technical solution, the vertical telescopic rod a, the horizontal telescopic rod and the vertical telescopic rod b can be It can perform telescopic movement in the horizontal or vertical direction, and can realize the rotation in the horizontal direction, satisfying the overall three-dimensional activities of the upper limbs, reducing manpower consumption and avoiding re-injury.

Description of drawings

Fig. 1 is the overall structure schematic diagram of upper limb fixed traction frame in the utility model;

Fig. 2 is a structural schematic diagram of the screw transmission mechanism in the utility model.

In the figure: 1, tray, 2, base, 3, adjustment bracket, 4, fixed support, 5, slider, 6, screw transmission mechanism, 12, bearing a, 13, bearing b, 31, vertical telescopic rod a , 32, horizontal telescopic rod, 33, vertical telescopic rod b, 35, horizontal rotating shaft, 61, handle, 62, screw rod, 41, backing plate, 42, fixed sticky tape.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example

The overall layout of the upper limb fixed traction frame: including the tray 1, the base 2 and the adjustment bracket 3, the lower end of the adjustment bracket 3 is fixed on the base 2, and the upper end of the adjustment bracket 3 is connected with the tray 1. And the fixed brace 4 matched with the wrist joint, the fixed brace 4 includes a backing plate 41 and a fixed sticky tape 42 matched with the hand and the wrist. The adjustment bracket 3 includes a vertical telescopic rod a 31 , a horizontal telescopic rod 32 and a vertical telescopic rod b 33 connected in sequence.

The specific settings of the adjustment bracket 3: the vertical telescopic rod a 31 is connected to the tray 1, the vertical telescopic rod b 33 is vertically connected to the base 2, the horizontal telescopic rod 32 is provided with a horizontal rotation axis 35, and the vertical telescopic rod a 31 1. The horizontal telescopic rod 32 and the vertical telescopic rod b 33 both include an extension rod and a fixed sleeve. The extension rod is movably nested inside the fixed sleeve. The extension rod is fixed by the tightening part. The elongated end of the vertical telescopic rod a 31 is vertically connected to the bottom of the tray 1 , and a horizontal rotation shaft 35 is provided at the connection, and the tray 1 can rotate horizontally through the horizontal rotation shaft 35 . The extension rod of horizontal telescopic rod 32 is vertically connected on the fixed sleeve of vertical telescopic rod a 31, the fixed sleeve of horizontal telescopic rod 32 is vertically connected with the extension rod of vertical telescopic rod b 33, the vertical telescopic rod b 33 The fixing sleeve is vertically connected to the base 2. The horizontal rotation shaft 35 is arranged at the middle part of the fixed sleeve of the horizontal telescopic rod 32 .

The specific setting of the tray 1: the bottom of the tray 1 is provided with a slider 5, and the slider 11 is connected with the extension rod of the vertical telescopic rod a 31 through the horizontal rotation shaft 35. The tray 1 is provided with a screw transmission mechanism 6, including a screw 62 and a handle 61. The upper surface of the slider 5 is provided with a thread matched with the screw, and the two ends of the tray 1 are respectively provided with a bearing a 12 and a bearing b 13. The two ends are respectively fixed on the bearing a 12 and the bearing b 13.

Concrete operation during use: now the patient's hand and wrist are fastened by the fixed support 4, and then the height required is adjusted by the expansion and contraction of the vertical telescopic rod a 31, the horizontal telescopic rod 32 and the vertical telescopic rod b 33, further The horizontal rotation of the horizontal rotating shaft 35 is used to adjust to a suitable horizontal position, so as to realize the adjustment of the three-dimensional position. Turning the handle 61 makes the screw rod 62 rotate in the screw thread on the upper surface of the slider 5, thereby generating a relative relationship between the two. Displacement makes the tray 1 move horizontally to pull the patient's upper limbs.

Claims (8)

1. A fixed traction frame for upper limbs, comprising a tray (1), a base (2) and an adjustment support (3), the lower end of the adjustment support (3) is fixed on the base (2), and the adjustment support (3) The upper end is connected with the tray (1), and it is characterized in that, above the tray (1), there is a fixed support (4) matching the hand and wrist joint, and the adjustment support (3) includes sequentially connected Vertical telescopic rod a (31), horizontal telescopic rod (32) and vertical telescopic rod b (33), described vertical telescopic rod a (31) links to each other with pallet (1), described vertical telescopic rod b (33) is vertically connected on the base (2), and the horizontal telescopic rod (32) is provided with a horizontal rotation shaft (35), through the vertical telescopic rod a (31), the horizontal telescopic rod (32) and The expansion and contraction of the vertical expansion rod b (33) and the horizontal rotation of the horizontal rotation shaft (35) can realize the position adjustment of the tray (1) on three degrees of freedom. 2. A kind of upper limb fixed traction frame according to claim 1, characterized in that, said vertical telescopic link a (31), horizontal telescopic link (32) and vertical telescopic link b (33) all include extension The elongated rod and the fixed sleeve, the elongated rod is movably nested inside the fixed sleeve, the fixed sleeve is provided with a tightening part, and the elongated rod is fixed by rotating the tightened part after the elongated rod is elongated. 3. The fixed traction frame for upper limbs according to claim 2, characterized in that, the elongated end of the vertical telescopic rod a (31) is vertically connected to the bottom of the tray (1), and the connection is provided with Horizontal rotation shaft (35), pallet (1) can carry out horizontal rotation by horizontal rotation shaft (35). 4. A kind of fixed traction frame for upper limbs according to claim 3, characterized in that, the extension rod of the horizontal telescopic rod (32) is vertically connected to the fixed sleeve of the vertical telescopic rod a (31), and the horizontal The fixed sleeve of telescopic rod (32) is vertically connected with the extension rod of vertical telescopic rod b (33), and the fixed sleeve of described vertical telescopic rod b (33) is vertically connected on the base (2). 5. A traction frame for immobilizing upper limbs according to claim 3, characterized in that, the horizontal rotating shaft (35) is arranged in the middle of the fixed sleeve of the horizontal telescopic rod (32). 6. A kind of upper limb fixed traction frame according to claim 3, is characterized in that, the bottom of described pallet (1) is provided with slide block (5), and described slide block (5) passes horizontal rotation shaft ( 35) be connected with the extension rod of vertical expansion rod a (31). 7. A traction frame for immobilizing upper limbs according to claim 6, characterized in that, said tray (1) is provided with a screw transmission mechanism (6), comprising a screw (62) and a handle (61), said The upper surface of the slide block (5) is provided with a thread matched with the screw rod, and the two ends of the tray (1) are respectively provided with a bearing a (12) and a bearing b (13), and the screw rod (62) The two ends are respectively fixed on the bearing a (12) and the bearing b (13). 8. A kind of fixed traction frame for upper limbs according to claim 1, characterized in that, said fixed brace (4) comprises a backing plate (41) and a fixed sticky tape (42) matched with the hand and wrist ).