CN215021458U - Clinical bone grafting device of orthopedics - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments, in particular to an orthopedic clinical bone grafting device, which comprises a bottom plate, wherein a fixing structure is arranged on the bottom plate; a pair of movable telescopic rods with opposite movement directions are connected on the bottom plate in a sliding manner, and a fixed telescopic rod fixedly connected with the bottom plate is arranged between the movable telescopic rods; the movable telescopic rod and the fixed telescopic rod are both provided with arc plates, and the arc plates are provided with fixing belts; the bottom plate is also provided with a pair of supporting telescopic rods, the telescopic ends of the supporting telescopic rods are rotatably connected with rotating rods, the telescopic end of any one supporting telescopic rod is provided with a locking structure connected with the rotating rods, and the rotating rods are slidably connected with clamping structures; the utility model discloses the effectual fixed effect of current bone grafting fixing device of having solved and adjusted inconvenient problem.

Description

Clinical bone grafting device of orthopedics

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to clinical bone grafting device of orthopedics.

Background

Bone grafting is the surgical implantation of bone tissue to the site of a bone defect, requiring reinforcement or fusion in a patient. Because the bone sources are different, the bone transplantation is divided into autologous bone transplantation and allogeneic bone transplantation, and with the progress of refrigeration equipment and sterile preservative technology, allogeneic bones are stored in a bone bank. But when planting the bone to the patient, often need the manual work to carry out the initial fixation that can transplant the bone, but because current bone grafting fixing device troublesome poeration, it is inconvenient to adjust, can't be effectual fix the patient, often causes the aversion, has increased operation time.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a clinical bone grafting device of orthopedics, the effectual current fixed effect of bone grafting fixing device of having solved and the inconvenient problem of regulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an orthopedic clinical bone grafting device comprises a bottom plate, wherein a fixing structure is arranged on the bottom plate; a pair of movable telescopic rods with opposite movement directions are connected on the bottom plate in a sliding manner, and a fixed telescopic rod fixedly connected with the bottom plate is arranged between the movable telescopic rods; the movable telescopic rod and the fixed telescopic rod are both provided with arc plates, and the arc plates are provided with fixing belts; still be equipped with a pair of support telescopic link on the bottom plate, it is a pair of the flexible end of supporting the telescopic link rotates and is connected with the dwang, arbitrary the flexible end of support telescopic link be equipped with the locking structure who is connected with the dwang, sliding connection has clamping structure on the dwang.

Furthermore, the locking structure comprises a fixed disc fixedly connected with the telescopic end of the supporting telescopic rod, an outer ratchet wheel and an inner ratchet wheel corresponding to the outer ratchet wheel are arranged on the fixed disc, and the outer ratchet wheel is sleeved with the inner ratchet wheel; the coaxial rigid coupling of dwang has the rolling disc, rotates on the rolling disc to be connected with interior ratchet matched with interior pawl, still rotates on the rolling disc to be connected with outer ratchet matched with outer pawl, and interior pawl and outer pawl all coaxial rigid coupling have the driving lever.

Further, the clamping structure comprises a sliding barrel which is connected with the rotating rod in a sliding mode, an adjusting telescopic rod is connected onto the sliding barrel, and the telescopic end of the adjusting telescopic rod is connected with a clamping assembly.

Furthermore, the clamping assembly comprises a connecting plate connected with the telescopic end of the adjusting telescopic rod, and two ends of the connecting plate are respectively connected with the clamping plate and the supporting plate; the supporting plate is rotatably connected with a clamping screw rod, and a screw connecting cylinder is screwed on the clamping screw rod; the screw connection barrel is connected with a movable plate matched with the clamping plate, the movable plate is connected with the connecting plate in a sliding mode, and the movable plate and the clamping plate are both provided with soft sleeves matched with each other.

Furthermore, fixed knot constructs including the L template with the bottom plate rigid coupling, the spiro union has the fixed screw on the L template, the last rigid coupling of fixed screw has the fixed plate with bottom plate parallel arrangement.

Furthermore, a slideway is fixedly connected to the bottom plate, and the pair of movable telescopic rods are connected with the slideway in a sliding manner; the slide is connected with two-way lead screw in a rotating manner, and a pair of movable telescopic rods are connected with the two-way lead screw in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that:

when the utility model is used, the patient is fixed through the arc plates and the fixing bands, so that the medical staff can conveniently operate, and the three arc plates fix the patient through the arrangement of the pair of movable telescopic rods and the fixed telescopic rods, so that the patient can be effectively supported, and the stability of the utility model is improved; fix the bone grafting instrument through clamping structure, the medical personnel operation of being convenient for, in addition through dwang and locking structure set up can effectually prevent that the arc from fixing the patient, clamping structure makes to patient's influence the utility model discloses operate better facility.

Drawings

Fig. 1 is a first isometric view of the present invention;

fig. 2 is a second axial view of the present invention;

FIG. 3 is a schematic structural view of the clamping structure of the present invention;

fig. 4 is a schematic structural view of the locking structure of the present invention;

in the figure: 1. fixed screw rod, 2, fixed plate, 3, bottom plate, 4, L template, 5, slide, 6, activity telescopic link, 7, fixed telescopic link, 8, arc, 9, clamping structure, 10, dwang, 11, support telescopic link, 12, two-way lead screw, 13, locking structure, 14, scale mark, 15, slide cartridge, 16, adjust the telescopic link, 17, grip block, 18, connecting plate, 19, soft cover, 20, the fly leaf, 21, the spiro union section of thick bamboo, 22, centre gripping lead screw, 23, the backup pad, 24, interior ratchet, 25, the rolling disc, 26, interior ratchet, 27, outer ratchet, 28, outer pawl.

Detailed Description

An orthopedic clinical bone grafting device, as shown in fig. 1-4, comprises a bottom plate 3, a fixing structure is arranged on the bottom plate 3, and the device is arranged at a corresponding position through the fixing structure for use; a pair of movable telescopic rods 6 with opposite movement directions are connected on the bottom plate 3 in a sliding manner, and a fixed telescopic rod 7 fixedly connected with the bottom plate 3 is arranged between the movable telescopic rods 6; the movable telescopic rod 6 and the fixed telescopic rod 7 are both provided with an arc plate 8, and the arc plate 8 is provided with a fixing belt; the fixing band comprises a thorn hair fixing band and a round hair fixing band matched with the thorn hair fixing band, the thorn hair fixing band is provided with a thorn hair magic tape, and the round hair fixing band is provided with a round hair magic tape; fix the patient through arc 8 and fixed band, the medical personnel of being convenient for operate, and through setting up a pair of activity telescopic link 6 and fixed telescopic link 7, three arc 8 is fixed the patient moreover, can effectually support the patient, improves the utility model discloses a stability.

Furthermore, a pair of supporting telescopic rods 11 is further arranged on the bottom plate 3, the telescopic ends of the pair of supporting telescopic rods 11 are rotatably connected with rotating rods 10, the telescopic end of any one supporting telescopic rod 11 is provided with a locking structure 13 connected with the rotating rod 10, and the rotating rod 10 is slidably connected with a clamping structure 9; fix the bone grafting instrument through clamping structure 9, the medical personnel operation of being convenient for, in addition through dwang 10 and locking structure 13 set up can effectually prevent that arc 8 from fixing the patient, clamping structure 9 makes to patient's influence the utility model discloses operate better facility.

Further, as shown in fig. 4, the locking structure 13 includes a fixed disk fixedly connected to the telescopic end of the supporting telescopic rod 11, the fixed disk is provided with an outer ratchet 27 and an inner ratchet 24 corresponding to the outer ratchet 27, and the outer ratchet 27 is sleeved with the inner ratchet 24; the rotating rod 10 is coaxially and fixedly connected with a rotating disc 25, an inner pawl 26 matched with the inner ratchet wheel 24 is rotatably connected to the rotating disc 25, an outer pawl 28 matched with the outer ratchet wheel 27 is further rotatably connected to the rotating disc 25, and the inner pawl 26 and the outer pawl 28 are coaxially and fixedly connected with a shifting lever; the stability of the locking arrangement 13 is improved by the inner ratchet 24 cooperating with the inner pawl 26 and the outer ratchet 27 cooperating with the outer pawl 28 for fixing the rotatable disc 25, i.e. the rotatable lever 10.

Further, as shown in fig. 3, the clamping structure 9 includes a sliding cylinder 15 slidably connected to the rotating rod 10, the sliding cylinder 15 is provided with a fastening screw matched with the rotating rod 10, the sliding cylinder 15 is connected to an adjusting telescopic rod 16, and a telescopic end of the adjusting telescopic rod 16 is connected to a clamping assembly; according to the position of the bone grafting of the patient, the sliding cylinder 15 is used for adjusting to enable the clamping structure 9 to correspond to the bone grafting position.

Further, the clamping assembly comprises a connecting plate 18 connected with the telescopic end of the adjusting telescopic rod 16, and two ends of the connecting plate 18 are respectively connected with a clamping plate 17 and a supporting plate 23; the supporting plate 23 is rotatably connected with a clamping screw rod 22, the clamping screw rod 22 is connected with a knob, and a screw connecting cylinder 21 is screwed on the clamping screw rod 22; the screw connecting cylinder 21 is connected with a movable plate 20 matched with the clamping plate 17, the movable plate 20 is connected with the connecting plate 18 in a sliding manner, and the movable plate 20 and the clamping plate 17 are both provided with soft sleeves 19 matched with each other; drive fly leaf 20 through centre gripping lead screw 22, a screw section of thick bamboo 21 and slide along connecting plate 18, make fly leaf 20 and grip block 17 cooperate and fix the bone grafting ware, improve through the setting of soft cover 19 the utility model discloses fixed stability.

Furthermore, the movable telescopic rod 6, the fixed telescopic rod 7, the supporting telescopic rod 11 and the adjusting telescopic rod 16 all comprise telescopic cylinders, slide rods are connected in the telescopic cylinders in a sliding mode, and fastening screws matched with the slide rods are arranged on the telescopic cylinders.

Further, as shown in fig. 1, the fixing structure includes an L-shaped plate 4 fixedly connected to the bottom plate 3, the L-shaped plate 4 is screwed with a fixing screw rod 1, the fixing screw rod 1 is provided with a knob, and the fixing screw rod 1 is fixedly connected to a fixing plate 2 arranged in parallel to the bottom plate 3; match through mounting screw 1, fixed plate 2 and bottom plate 3 will the utility model discloses fix in corresponding position.

Furthermore, a slideway 5 is fixedly connected to the bottom plate 3, the pair of movable telescopic rods 6 are both connected with the slideway 5 in a sliding manner, and the slideway 5 is provided with scale marks 14 corresponding to the pair of movable telescopic rods 6; rotate on the slide 5 and be connected with two- way lead screw 12, 12 one ends of two-way lead screw are connected with the knob, a pair of activity telescopic link 6 all with 12 spiro unions of two-way lead screw, through 12 synchronous adjustment a pair of activity telescopic links 6 of two-way lead screw, improve the utility model discloses the convenience of operation.

The utility model discloses a working process does:

when the utility model is used, the fixing screw rod 1 is rotated through the knob, and the fixing screw rod 1 drives the fixing plate 2 to match with the bottom plate 3 to fix the utility model at a corresponding position; according to the condition of a patient, the bidirectional screw rod 12 is rotated through the knob, the bidirectional screw rod 12 drives the pair of movable telescopic rods 6 to move in opposite directions, the distance between the pair of movable telescopic rods 6 is observed through the scale marks 14, and the patient is fixed through the fixing belt and the arc-shaped plate 8; the clamping screw rod 22 and the screw cylinder 21 drive the movable plate 20 to slide along the connecting plate 18, so that the movable plate 20 is matched with the clamping plate 17 to fix the bone grafting device, and medical staff uses the bone grafting device to perform bone grafting operation on a patient.

Claims (6)

1. The utility model provides an orthopedics clinical bone grafting device which characterized in that: comprises a bottom plate (3), wherein a fixing structure is arranged on the bottom plate (3); a pair of movable telescopic rods (6) with opposite movement directions are connected on the bottom plate (3) in a sliding manner, and a fixed telescopic rod (7) fixedly connected with the bottom plate (3) is arranged between the movable telescopic rods (6); the movable telescopic rod (6) and the fixed telescopic rod (7) are both provided with an arc-shaped plate (8), and the arc-shaped plate (8) is provided with a fixing belt; still be equipped with a pair of support telescopic link (11) on bottom plate (3), it is a pair of the flexible end that supports telescopic link (11) rotates and is connected with dwang (10), arbitrary the flexible end of support telescopic link (11) be equipped with locking structure (13) that are connected with dwang (10), sliding connection has clamping structure (9) on dwang (10).

2. The orthopaedic clinical bone grafting device according to claim 1, wherein: the locking structure (13) comprises a fixed disc fixedly connected with the telescopic end of the supporting telescopic rod (11), an outer ratchet wheel (27) and an inner ratchet wheel (24) corresponding to the outer ratchet wheel (27) are arranged on the fixed disc, and the outer ratchet wheel (27) is sleeved with the inner ratchet wheel (24); dwang (10) coaxial rigid coupling has rolling disc (25), rotates on rolling disc (25) to be connected with interior ratchet (24) matched with interior pawl (26), still rotates on rolling disc (25) to be connected with outer ratchet (27) matched with outer pawl (28), and interior pawl (26) and outer pawl (28) equal coaxial rigid coupling have the driving lever.

3. The orthopaedic clinical bone grafting device according to claim 2, wherein: the clamping structure (9) comprises a sliding cylinder (15) which is connected with the rotating rod (10) in a sliding mode, an adjusting telescopic rod (16) is connected onto the sliding cylinder (15), and the telescopic end of the adjusting telescopic rod (16) is connected with a clamping assembly.

4. The orthopaedic clinical bone grafting device according to claim 3, wherein: the clamping assembly comprises a connecting plate (18) connected with the telescopic end of the adjusting telescopic rod (16), and the two ends of the connecting plate (18) are respectively connected with a clamping plate (17) and a supporting plate (23); the supporting plate (23) is rotatably connected with a clamping screw rod (22), and a screw connecting cylinder (21) is screwed on the clamping screw rod (22); the screw connecting cylinder (21) is connected with a movable plate (20) matched with the clamping plate (17), the movable plate (20) is connected with the connecting plate (18) in a sliding mode, and soft sleeves (19) matched with each other are arranged on the movable plate (20) and the clamping plate (17).

5. The orthopaedic clinical bone grafting device according to claim 1, wherein: the fixing structure comprises an L-shaped plate (4) fixedly connected with the bottom plate (3), the L-shaped plate (4) is connected with a fixing screw rod (1) in a threaded mode, and the fixing screw rod (1) is fixedly connected with a fixing plate (2) arranged in parallel with the bottom plate (3).

6. The orthopaedic clinical bone grafting device according to claim 1, wherein: the bottom plate (3) is fixedly connected with a slideway (5), and a pair of movable telescopic rods (6) are both connected with the slideway (5) in a sliding manner; the slideway (5) is rotatably connected with a bidirectional screw rod (12), and the pair of movable telescopic rods (6) are in threaded connection with the bidirectional screw rod (12).

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