CN219307271U

CN219307271U - Arm supporting structure for orthopedic traction bed

Info

Publication number: CN219307271U
Application number: CN202320853692.9U
Authority: CN
Inventors: 徐鑫欣; 刘劲伶; 马慧
Original assignee: West China Hospital of Sichuan University
Current assignee: West China Hospital of Sichuan University
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-07
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses an arm supporting structure for an orthopedic traction bed, and relates to the field of medical beds. An arm support structure for an orthopedic traction bed is provided that facilitates supporting a patient's arm during femoral intramedullary nail insertion. The arm supporting structure for the orthopedic traction bed comprises a traction bed, a fixed sleeve, a vertical rod, a cross beam and a hand supporting frame; the fixed sleeve is vertically arranged at one side of the traction bed; the vertical rod is inserted into the fixed sleeve, and can rotate and move up and down to adjust the height; the cross beam is horizontally arranged, the length of the cross beam is adjustable, one end of the cross beam is connected with the top end of the vertical rod, and the other end of the cross beam is connected with the hand supporting frame; the hand support is arranged horizontally and can swing to adjust the direction, and comprises an arm base plate, and both sides of the arm base plate are connected with main binding bands. The utility model can fix the arm of the patient more conveniently, when the arm is not needed to be fixed, the hand support and the cross beam are positioned on one side of the traction bed through rotating the cross beam and swinging the hand support, so that the hand support is convenient to store.

Description

Arm supporting structure for orthopedic traction bed

Technical Field

The utility model relates to the field of medical beds, in particular to an arm supporting structure for an orthopedic traction bed.

Background

Femoral intramedullary nails are long implants placed in the intramedullary cavity for fixation of femoral fractures. The femoral intramedullary nail is implanted by fixing and implanting a greater trochanter, and the guide pin is required to move along the femur in the process of implantation and reaming. The surgeon needs to stand beside the patient for a long time to perform the operation. If the patient's hand touches a surgical instrument or a doctor who is performing an operation, it is dangerous. To avoid the interference of the operation by the arm of the patient on the operation side, the arm of the patient on the operation side needs to be fixed to avoid moving to the body side.

Femoral intramedullary nail insertion is often performed on an orthopedic traction bed. The existing orthopedic traction bed has no special device for fixing the arm of a patient during femoral intramedullary nail implantation. The applicant uses the headstock of the common operation bed to fix the arms, wraps the forearms of the patient with cotton pads, and then ties the cotton pads on the headstock, so that the forearms of the patient are actually hung on the headstock.

The forearm is wrapped by the cotton pad, and the operation of binding the forearm on the head frame by the bandage is complicated. The headstock is made of metal, and when using the electrotome, if cotton pad parcel is not put in place, skin direct contact metal can cause skin burn.

In addition, hospital orthopedics often requires joint punctures. For example: acute onset joint swelling pain or with localized redness and warmth of the skin, suspected of infectious or traumatic arthritis; suppurative arthritis, joint effusion in the joint cavity or non-suppurative arthritis with more joint effusion can be confirmed, and medicine is injected into the joint cavity for treatment; air or contrast medium is injected into the joint cavity to perform arthroscopy, so as to know the change of the articular cartilage, the ligament or the bone end.

Wherein the elbow joint is required to bend 90 degrees when the elbow joint is punctured, and the position puncture is selected from the outer end of the elbow joint. In order to facilitate the puncture of the elbow joint, the arm of the patient can be lifted and bent by 90 degrees in the above way.

In order to facilitate lifting and bending the patient's arm 90 ° on an orthopedic traction table, the applicant has discovered an arm support structure for an orthopedic traction table.

Disclosure of Invention

The utility model aims to solve the technical problems that: an arm support structure for an orthopedic traction bed is provided that facilitates lifting and bending of a patient's arm through 90 degrees.

The technical scheme adopted for solving the problems is as follows: the arm supporting structure for the orthopedic traction bed comprises a traction bed, a fixed sleeve, a vertical rod, a cross beam and a hand supporting frame; the fixed sleeve is vertically arranged at one side of the traction bed; the vertical rod is inserted into the fixed sleeve, and can rotate and move up and down to adjust the height; the cross beam is horizontally arranged, the length of the cross beam is adjustable, one end of the cross beam is connected with the top end of the vertical rod, and the other end of the cross beam is connected with the hand supporting frame; the hand support is arranged horizontally and can swing to adjust the direction, and comprises an arm base plate, and both sides of the arm base plate are connected with main binding bands.

Further is: the lower extreme of montant is montant screw thread section, and montant screw thread section passes fixed cover, and the upper and lower end of fixed cover all is provided with first nut, and first nut is connected and supports the fastening fixed cover with montant screw thread section.

Further is: the crossbeam includes crossbeam cover, telescopic link and jack-up bolt, and the hole cross-section shape of crossbeam cover is the rectangle, and the cross-section shape of telescopic link is the rectangle, and the telescopic link inserts the crossbeam cover and cooperates with crossbeam cover, jack-up bolt and crossbeam cover threaded connection and jack-up telescopic link.

Further is: the hand support comprises an extension plate which is horizontally arranged and is vertical to the arm base plate, and the extension plate is connected with the cross beam.

Further is: orthopedic traction with arm support structure includes a second nut; the cross beam is provided with a connecting sleeve; the extension plate is connected with a vertical rotating shaft, the extension plate is lapped on the connecting sleeve, the vertical rotating shaft penetrates through the connecting sleeve, and the second nut is connected with the vertical rotating shaft and abuts against the connecting sleeve.

Further is: the hand support comprises two side base plates which are vertically arranged at two ends of the arm base plate respectively and are connected with the arm base plate, and two sides of the side base plates are connected with side binding bands.

Further is: the arm pad plate and the side pad plate are connected with flexible pads.

Further is: the main binding bands are connected with magic tapes, and the main binding bands on two sides of the arm pad can be connected through the magic tapes; the side binding bands are connected with magic tapes, and the side binding bands on two sides of the side backing plate can be connected through the magic tapes.

The beneficial effects of the utility model are as follows: as shown in figure 8, the patient lies on the traction bed before the femoral intramedullary nail implantation. Through rotatory montant, adjust crossbeam length, swing the hand rest that holds in the palm, can make the hand rest set up in the traction table width direction directly over patient's shoulder. Through the height of adjusting the montant, the height of adjustable support hand rest makes arm backing plate can laminate with patient's forearm. After the adjustment, the arm of the patient is lifted and bent by 90 degrees, the forearm is placed on the arm pad, the main binding belts on the two sides of the arm pad are connected, the forearm is bound and fixed, namely, the arm fixing is finished, the operation is convenient, and any arm of the patient can be fixed. The same method is also adopted for fixing the arm during elbow joint puncture.

As shown in fig. 9, when the arm is not required to be fixed, the hand support and the cross beam can be positioned beside the traction bed by rotating the cross beam and swinging the hand support, and the hand support and the cross beam do not influence the patient to perform other treatment operations on the orthopedic traction bed. If necessary, the vertical rod, the cross beam and the hand supporting frame can be disassembled.

The utility model can support the arm of the patient, is convenient for femoral intramedullary nail operation and is convenient for storage.

Drawings

FIG. 1 is a front view of an arm support structure for an orthopedic traction bed;

FIG. 2 is a top view of an arm support structure for an orthopedic traction bed;

FIG. 3 is a block diagram of a retaining sleeve and a vertical rod;

FIG. 4 is a cross-beam block diagram;

FIG. 5 is a front view of the hand rest;

FIG. 6 is a top view of the hand rest;

FIG. 7 is a left side view of the cradle;

FIG. 8 is a state diagram of the use of the present utility model;

FIG. 9 is a view showing the storage state of the present utility model;

marked in the figure as: traction table 1, fixed sleeve 2, vertical rod 3, vertical rod thread section 31, cross beam 4, cross beam sleeve 41, telescopic rod 42, connecting sleeve 43, jack bolt 44, hand rest 5, arm pad 51, main strap 52, side pad 53, side strap 54, flexible pad 55, vertical shaft 56, extension plate 57, first nut 6, second nut 7.

Detailed Description

The utility model is further described below with reference to the drawings and the detailed description.

As shown in fig. 1 and 2, the arm support structure for the orthopedic traction bed comprises a traction bed 1, a fixed sleeve 2, a vertical rod 3, a cross beam 4 and a hand support 5; the fixed sleeve 2 is vertically arranged at one side of the traction bed 1; the vertical rod 3 is inserted into the fixed sleeve 2, and the vertical rod 3 can rotate and move up and down to adjust the height; the cross beam 4 is horizontally arranged, the length of the cross beam 4 is adjustable, one end of the cross beam 4 is connected with the top end of the vertical rod 3, and the other end of the cross beam 4 is connected with the hand support 5; the hand support 5 is horizontally arranged and can swing to adjust the direction, the hand support 5 comprises an arm pad 51, and both sides of the arm pad 51 are connected with main binding bands 52.

As shown in figure 8, the patient lies on the traction table 1 before the femoral intramedullary nail implantation. By rotating the vertical rod 3, adjusting the length of the cross beam 4 and swinging the hand support 5, the hand support 5 can be arranged right above the shoulder of the patient along the traction bed 1. By adjusting the height of the vertical rod 3, the height of the hand support 5 can be adjusted, so that the arm pad 51 can be attached to the forearm of a patient. After the adjustment, the arm of the patient is lifted and bent by 90 degrees, the forearm is placed on the arm pad 51, the main binding belts 52 on the two sides of the arm pad 51 are connected, and the forearm is bound and fixed, thus the arm fixing is completed. The same method is also adopted for fixing the arm during elbow joint puncture.

As shown in fig. 9, when the arm is not required to be fixed, the hand support 5 and the cross beam 4 can be positioned above the head end of the traction bed 1 by rotating the cross beam 4 and swinging the hand support 5, and the hand support 5 and the cross beam 4 do not influence the patient to perform other treatment operations on the orthopedic traction bed.

The rotatable and telescopic concrete structure of montant 3 can be as shown in fig. 3, and the lower extreme of montant 3 is montant screw thread section 31, and montant screw thread section 31 passes fixed cover 2, and the upper and lower end of fixed cover 2 all is provided with first nut 6, and first nut 6 is connected with montant screw thread section 31 and supports the fastening and decide cover 2.

Slightly loosening either of the first nuts 6, the vertical rod 3 is rotatable. If the vertical rod 3 needs to be heightened, the lower first nut 6 is loosened, then the vertical rod 3 is held by hand and the upper first nut 6 is rotated, so that the upper first nut 6 moves downwards, the vertical rod 3 moves upwards relatively, and then the upper first nut 6 is screwed. The tightening of the two first nuts 6 obviously limits the vertical rod 3 from moving up and down, and at the same time, the friction between the first nuts 6 and the fixed sleeve 2 is used for limiting the rotation of the vertical rod 3. The end surfaces of the first nut 6 and the fixing sleeve 2 may be larger or roughened in order to increase friction.

The specific structure of the cross beam 4 can be as shown in fig. 4, the cross beam 4 comprises a cross beam sleeve 41, a telescopic rod 42 and a jacking bolt 44, the cross section of an inner hole of the cross beam sleeve 41 is rectangular, the cross section of the telescopic rod 42 is rectangular, the telescopic rod 42 is inserted into the cross beam sleeve 41 and matched with the cross beam sleeve 41, and the jacking bolt 44 is in threaded connection with the cross beam sleeve 41 and jacks the telescopic rod 42.

By loosening the jack bolt 44, the telescopic rod 42 can be extended and contracted, and by tightening the jack bolt 44 to jack the telescopic rod 42, the telescopic rod 42 is restricted from extending and contracting. The cross-sectional shape of the inner hole of the beam sleeve 41 is rectangular, and the cross-sectional shape of the telescopic rod 42 is rectangular, so that the telescopic rod 42 is prevented from rotating.

The hand rest 5 holds the arm by means of the arm pad 51 and binds the arm by means of the binding band 52. The hand rest 5 may be specifically arranged as shown in fig. 5 to 7, where the hand rest 5 includes an extension plate 57, the extension plate 57 is horizontally arranged and perpendicular to the arm pad 51, and the extension plate 57 is connected to the beam 4. The arm support structure for the orthopedic traction bed comprises a second nut 7; the beam 4 is provided with a connecting sleeve 43; the extending plate 57 is connected with a vertical rotating shaft 56, the extending plate 57 is lapped on the connecting sleeve 43, the vertical rotating shaft 56 penetrates through the connecting sleeve 43, and the second nut 7 is connected with the vertical rotating shaft 56 and abuts against the connecting sleeve 43.

Slightly loosening the second nut 7 allows the hand rest 5 to rotate. The second nut 7 is tightened, and the friction between the second nut 7 and the extension plate 57 and the both ends of the connecting sleeve 43 restricts the rotation of the hand rest 5. In order to increase the friction, the contact area between the second nut 7 and the extension plate 57 and the connecting sleeve 43 may be larger or the contact surface may be roughened.

Only the main strap 52 binds the forearm, but the patient's arm is still able to withdraw the cradle 5 outwards, although the patient's arm is substantially restricted from moving. To avoid this, it is preferable that the hand rest 5 includes two side pads 53, the two side pads 53 being vertically provided at both ends of the arm pad 51 and connected to the arm pad 51, respectively, and the side straps 54 being connected to both sides of the side pad 53.

As shown in fig. 8, the arm is strapped with side straps 54 to avoid the patient's arm from withdrawing the hand rest 5.

To improve the feel, flexible pads 55 are preferably attached to both the arm pad 51 and the side pad 53.

The main strap 52 and the side straps 54 may be connected by knotting. In order to facilitate the connection, the main binding belt 52 is connected with a magic tape, and the main binding belts 52 on two sides of the arm pad 51 can be connected through the magic tape; the side straps 54 are connected with velcro, and the side straps 54 on both sides of the side pad 53 can be connected through velcro.

The arm pad 51 and the side pad 53 are made of hard plastic, so that electric conduction is avoided, and the safety of patients is ensured when the electric knife is used. The main straps 52 and side straps 54 may be made of cloth. The fixing sleeve 2, the vertical rod 3 and the cross beam 4 should ensure strength and can be made of metal.

Claims

1. A arm bearing structure for orthopedics traction table, its characterized in that: comprises a traction bed (1), a fixed sleeve (2), a vertical rod (3), a cross beam (4) and a hand supporting frame (5); the fixed sleeve (2) is vertically arranged at one side of the traction bed (1); the vertical rod (3) is inserted into the fixed sleeve (2), and the vertical rod (3) can rotate and move up and down to adjust the height; the cross beam (4) is horizontally arranged, the length of the cross beam (4) is adjustable, one end of the cross beam (4) is connected with the top end of the vertical rod (3), and the other end of the cross beam (4) is connected with the hand supporting frame (5); the hand support (5) is horizontally arranged and can swing to adjust the direction, the hand support (5) comprises an arm base plate (51), and both sides of the arm base plate (51) are connected with main binding bands (52).

2. An arm support structure for an orthopedic traction bed according to claim 1, characterized in that: the lower extreme of montant (3) is montant screw thread section (31), and montant screw thread section (31) pass fixed cover (2), and the upper and lower extreme of fixed cover (2) all is provided with first nut (6), and first nut (6) are connected with montant screw thread section (31) and support fixed cover (2).

3. An arm support structure for an orthopedic traction bed according to claim 1, characterized in that: the crossbeam (4) comprises a crossbeam sleeve (41), a telescopic rod (42) and a jacking bolt (44), wherein the cross section of an inner hole of the crossbeam sleeve (41) is rectangular, the cross section of the telescopic rod (42) is rectangular, the telescopic rod (42) is inserted into the crossbeam sleeve (41) and matched with the crossbeam sleeve (41), and the jacking bolt (44) is in threaded connection with the crossbeam sleeve (41) and jacks the telescopic rod (42).

4. An arm support structure for an orthopedic traction bed according to claim 1, characterized in that: the hand support (5) comprises an extension plate (57), the extension plate (57) is horizontally arranged and is perpendicular to the arm pad (51), and the extension plate (57) is connected with the cross beam (4).

5. The arm support structure for an orthopedic traction bed of claim 4, wherein: comprises a second nut (7); the cross beam (4) is provided with a connecting sleeve (43); the extension plate (57) is connected with a vertical rotating shaft (56), the extension plate (57) is lapped on the connecting sleeve (43), the vertical rotating shaft (56) penetrates through the connecting sleeve (43), and the second nut (7) is connected with the vertical rotating shaft (56) and abuts against the connecting sleeve (43).

6. The arm support structure for an orthopedic traction bed of claim 5, wherein: the hand support (5) comprises two side base plates (53), the two side base plates (53) are vertically arranged at two ends of the arm base plate (51) respectively and are connected with the arm base plate (51), and side binding bands (54) are connected to two sides of the side base plates (53).

7. The arm support structure for an orthopedic traction bed of claim 6, wherein: the arm pad plate (51) and the side pad plate (53) are connected with flexible pads (55).

8. The arm support structure for an orthopedic traction bed of claim 7, wherein: the main binding bands (52) are connected with magic tapes, and the main binding bands (52) on two sides of the arm pad (51) can be connected through the magic tapes; the side binding bands (54) are connected with magic tapes, and the side binding bands (54) on two sides of the side backing plate (53) can be connected through the magic tapes.