CN212661900U - Nail hole protection device for external fixing frame for fracture - Google Patents

Abstract

The nail hole protection device for the external fixation frame for fracture comprises a first connecting rod, wherein a hollow round block is fixedly connected to the lower end of the first connecting rod, a flat groove is formed in the lower portion of the round block, the round block is hinged to a rotating ball, a second connecting rod is fixedly connected to the lower end of the rotating ball, the second connecting rod is the same as the first connecting rod, guide rails are fixedly connected to the left side and the right side of the first connecting rod, a plurality of sliding blocks can be arranged on the upper side and the lower side of the first connecting rod, and sliding grooves are formed in the left side and the right side of the sliding blocks. The utility model discloses the effectual current external fixation support nail hole protection device of having solved can't carry out the adjustment of different angles and position according to patient's bone nail, and inconvenient medical staff suffers from the protection in fracture external fixation frame nail hole, has increased medical staff's burden and the painful problem of patient.

Description

Nail hole protection device for external fixing frame for fracture

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to a fracture external fixation frame nail hole protection device is related to.

Background

The quantity and direction of the fixed holes of the movable needle slots for fixing the steel nails are relatively fixed, when the steel needles are driven into the fractured ends of the fracture, the positions and quantity of the steel needles are required to be determined according to the requirements of the external fixed support, the existing nail hole protecting device for the external fixed support cannot adjust different angles and positions according to the bone nails of patients, so that the medical staff cannot conveniently protect the nail holes of the external fixed support suffering from the fracture, the burden of the medical staff and the pain of the patients are increased, the contact parts of the bone nails and the skins of the patients are exposed in the air, and the risk of infection of the patients is increased; therefore, the nail hole protection device of the external fixation frame for fracture is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide fracture external fixation frame nail hole protection device, solved current external fixation frame nail hole protection device effectively and can't carry out the adjustment of different angles and position according to patient's bone nail, inconvenient medical staff suffers from the protection in fracture external fixation frame nail hole, has increased medical staff's burden and patient misery, and the bone nail exposes in the air with patient skin contact segment, increases the problem of the risk that the patient infects.

In order to solve the above problems, the utility model adopts the following technical proposal:

the fracture external fixation frame nail hole protection device comprises a first connecting rod, wherein the lower end of the first connecting rod is fixedly connected with a hollow round block, a flat groove is formed below the round block, the round block is hinged with a rotating ball, the lower end of the rotating ball is fixedly connected with a second connecting rod, the second connecting rod is the same as the first connecting rod, guide rails are fixedly connected to the left side and the right side of the first connecting rod, a plurality of sliding blocks can be arranged on the upper side and the lower side of the first connecting rod, sliding grooves are formed in the left side and the right side of each sliding block, the guide rails are in sliding connection with the sliding grooves, locking structures are arranged on the front sides of the sliding blocks, fixing rods are fixedly connected to the left sides of the sliding blocks, hollow nail penetrating pipes are fixedly connected to the left sides of the fixing rods, hollow screwing blocks are arranged on the front sides of the nail penetrating pipes, penetrating countersunk holes are formed in the left sides of the nail penetrating blocks, the left side of the inner wall of the screwing block is slidably connected with a locking circular table rod, the outer side of the screwing block is fixedly connected with a plurality of screwing handles which are the same in size and are evenly distributed, and the screwing of the screwing handles forms the structure of the locking circular table rod for fixing the bone nail.

Preferably, the inner wall of the nail penetrating pipe 15 is slidably connected with a bone nail, the outer circumference of the right side of the bone nail is provided with an open lantern ring, the left and right sides of the upper end of the lantern ring are fixedly connected with short plates, the middle parts of the short plates are slidably connected with an inserted bar, the upper end of the inserted bar is provided with a plurality of open slots which are uniformly distributed, the right part of the short plate is provided with an inserting plate, the upper end of the inserting plate is fixedly connected with a pull bar, the upper side of the pull bar is sleeved with a stretching spring, the upper end of the stretching spring is fixedly connected with a fixed plate, the pull bar is slidably connected with the fixed plate, the lower end of the stretching spring is fixedly connected with the inserting plate, the fixed plate is fixedly connected with the right side of the short plate, the short plate is fixedly connected with a placing block on the right side, the upper side of, the placing block is connected with the inserted rod in a sliding mode.

Preferably, the locking structure comprises a plurality of bolt holes which are the same in size and are uniformly distributed, and are formed in the first connecting rod, bolts are arranged on the front sides of the bolt holes, stretching springs are sleeved on the bolts, pull plates are fixedly connected to the front sides of the stretching springs, the bolts are fixedly connected with the pull plates, the rear ends of the stretching springs are fixedly connected with the sliding blocks, the bolts are slidably connected with the sliding blocks, and the bolts are drawn to form the structure that the bolts are slidably connected with the bolt holes.

Preferably, the locking circular table rod is provided with a plurality of clearance holes which are the same in size and are uniformly distributed, and the outer diameter of the rear side of the locking circular table rod is smaller than the inner diameter of the nail penetrating pipe.

The utility model discloses novel structure, think about ingenious, easy operation is convenient, compares with prior art and has following advantage:

1. the second connecting rod can be rotated according to the position of a bone nail made by a patient, the rotating ball at the upper end of the second connecting rod rotates around the round block to adjust the angle between the second connecting rod and the first connecting rod, when the angle between the second connecting rod and the first connecting rod is adjusted, the fixing rod is moved, the position of the sliding block on the first connecting rod and/or the second connecting rod is adjusted according to the position of the bone nail of the patient, so that the medical staff can conveniently use the device to adjust different angles and directions, and the bone nails of different positions of the patient can be conveniently fixed while the workload of the medical staff is reduced.

2. Place through the bone nail in the counter bore, rotate the handle of screwing, locking round platform pole to the pipe rear side direction of wearing the nail moves, thereby will the internal diameter of locking round platform pole rear side diminishes, plays the effect of fixed bone nail, makes things convenient for the fixed of patient's bone nail, and not hard up phenomenon appears in the position that can not appear fixed bone nail.

3. When the bolt is completely separated from the bolt hole, the sliding block can freely slide on the first connecting rod or the second connecting rod through the guide rail, so that medical staff can conveniently move the sliding block according to different positions of a bone nail of a patient, the bone nail of the patient can be conveniently fixed, after the sliding block is adjusted to a proper position by the medical staff, the pulling plate is loosened, and the pulling plate moves towards the bolt under the action of the extension spring, so that the sliding block is fixed.

4. The position of the inserted link is moved, when the inserted link is moved to a certain position and the lantern ring is tightly attached to the bone nail, the pull link is loosened, and the inserted link is slidably connected with the open slot to play a role in fixing the locking state of the lantern ring and the bone nail; the lantern ring left end upper portion is the rigid plastic material, and the remaining part is the soft plastic material, can the lantern ring right side inner wall is filled the aseptic cotton, carries out bone nail and disinfects with patient's skin contact part, prevents to contact with external bacterium, takes place the phenomenon of infecting.

Drawings

Fig. 1 is a schematic view of the axial measuring structure of the external fixation frame nail hole protection device for fracture.

Fig. 2 is a cross-sectional view of the screwing block of the external fixation frame nail hole protection device for fracture.

Fig. 3 is the structural schematic diagram of the locking round table rod of the external fixation frame nail hole protection device for fracture.

Fig. 4 is a schematic structural view of the first connecting rod and the second connecting rod of the external fracture fixation frame nail hole protection device of the present invention.

Fig. 5 is a schematic view of the fixing pin structure of the external fixing frame nail hole protecting device for bone fracture of the present invention.

Fig. 6 is a schematic view of the bone nail structure of the fracture external fixation frame nail hole protection device of the present invention.

Fig. 7 is an enlarged schematic view of the lantern ring structure of the fracture external fixation frame nail hole protection device of the present invention.

Fig. 8 is a schematic view of the structure of the insertion rod of the nail hole protection device for the external fracture fixation frame of the present invention.

Detailed Description

The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in figures 1-8, the utility model provides a fracture external fixation frame nail hole protection device, which comprises a first connecting rod 1, the lower end of the first connecting rod 1 is fixedly connected with a hollow round block 2, a flat groove is arranged below the round block 2, the round block 2 is hinged with a rotating ball 16, the lower end of the rotating ball 16 is fixedly connected with a second connecting rod 7, the second connecting rod 7 is the same as the first connecting rod 1, the left side and the right side of the first connecting rod 1 are fixedly connected with a guide rail 3, the upper side and the lower side of the first connecting rod 1 can be provided with a plurality of sliders 4, the left side and the right side of each slider 4 are respectively provided with a sliding groove 17, the guide rail 3 is respectively connected with the sliding groove 17 in a sliding way, the front sides of the sliders 4 are respectively provided with a locking structure 6, the left sides of the sliders 4 are respectively and fixedly connected with a fixing rod 8, the front side of the nail penetrating pipe 15 is provided with a hollow screwing block 10, the left side of the nail penetrating pipe 15 is provided with a through countersunk hole 5, the rear side of the screwing block 10 is in threaded connection with the nail penetrating pipe 15, the left side of the inner wall of the screwing block 10 is connected with a locking circular table rod 12 in a sliding manner, the outer side of the screwing block 10 is fixedly connected with a plurality of screwing handles 11 which are the same in size and are uniformly distributed, and the screwing of the screwing handles 11 forms a structure that the locking circular table rod 12 fixes bone nails 23; the addition of a plurality of identical first and second connecting rods 1, 7, and other parts of the first and second connecting rods 1, 7 to the device can be done as desired by the patient.

The second connecting rod 7 can be rotated according to the position of a bone nail 23 made by a patient, the rotating ball 16 at the upper end of the second connecting rod 7 rotates around the round block 2 to adjust the angle between the second connecting rod 7 and the first connecting rod 1, after the angle between the second connecting rod 7 and the first connecting rod 1 is adjusted, the fixing rod 8 is moved, the position of the sliding block 4 on the first connecting rod 1 and/or the second connecting rod 7 is adjusted according to the position of the bone nail 23 of the patient, and the position of the sliding block 4 after the movement is conveniently fixed through the locking structure 6; place through bone nail 23 in the counter bore 5, rotate handle 11 of screwing, locking round platform pole 12 to the motion of penetrating nail pipe 15 rear side direction, thereby will the internal diameter of locking round platform pole 12 rear side diminishes, plays the effect of fixed bone nail 23, makes things convenient for patient's bone nail 23 fixed 1 top fixedly connected with dog 9 of head rod, dog 9 can prevent that slider 4 is in the phenomenon that drops appears in head rod 1, 2 equal threaded connection in front of the circle piece has screw rod 19 of screwing, screw rod 19 of screwing is used for fixing circle piece 2 with the fixed of roating sphere 16 positions.

The utility model discloses a bone screw, including a nail penetrating pipe 15, bone screw 23, the outer circumference in bone screw 23 right side is provided with the open-ended lantern ring 25, the equal fixedly connected with short slab 27 in the left and right sides in lantern ring 25 upper end, two short slab 27 middle part sliding connection has inserted bar 29, open the 29 upper end of inserted bar has a plurality of evenly distributed open slots, and the right side short slab 27 right part is provided with picture peg 26, picture peg 26 upper end fixedly connected with pull rod 28, the 28 upside cover of pull rod is equipped with stretches the spring, stretch the spring upper end fixedly connected with fixed plate 24, pull rod 28 with fixed plate 24 sliding connection, stretch the spring lower extreme with picture peg 26 fixed connection, fixed plate 24 and right side short slab 27 fixed connection, right side short slab 27 fixedly connected with places piece 30, it has last standing groove to place piece 30 upside, picture peg 26 with last standing groove sliding connection, the width of the upper placing groove is the same as that of the opening groove, and the placing block 30 is connected with the inserted bar 29 in a sliding mode.

Sleeving the lantern ring 25 on the bone nail 23, and pulling up the pull rod 28, wherein the pull rod 28 drives the inserting plate 26 to move upwards, the inserting plate 26 is separated from the open slot and is in sliding connection with the open slot, the inserting rod 29 can freely slide left and right, and then the lantern ring 25 can move back and forth, so that the position of the lantern ring 25 on the bone nail 23 is controlled; when the lantern ring 25 is required to be locked at the position of the bone nail, the pull rod 28 is pulled upwards, the position of the insert rod 29 is moved while the insert plate 26 is separated from the sliding connection with the open slot, after the insert plate is moved to a certain position, the pull rod 28 is loosened when the lantern ring 25 is tightly attached to the bone nail 23, and the insert plate 26 is in sliding connection with the open slot to fix the locking state of the lantern ring 25 and the bone nail 23; the upper part of the left end of the lantern ring 25 is made of hard plastic, the rest part of the left end of the lantern ring is made of soft plastic, the inner wall of the right side of the lantern ring can be filled with sterilized cotton, the contact part of the bone nail 23 and the skin of a patient is sterilized, the phenomenon that the bone nail is contacted with external bacteria and infected is avoided, the lantern ring 25 can be disassembled, and the function of freely disassembling the lantern ring 25 is achieved through plugging and unplugging the inserted rod 29; the inner wall of the lantern ring 25 is fixedly connected with a fixing thorn for fixing the sterilized cotton.

The locking structure 6 comprises a plurality of bolt holes 18 which are the same in size and are uniformly distributed, and are formed in the first connecting rod 1, bolts 22 are arranged on the front sides of the bolt holes 18, stretching springs 21 are sleeved on the bolts 22, pull plates 20 are fixedly connected to the front sides of the stretching springs 21, the bolts 22 are fixedly connected with the pull plates 20, the rear ends of the stretching springs 21 are fixedly connected with the sliding blocks 4, the bolts 22 are slidably connected with the sliding blocks 4, and the bolts 22 are drawn to form the structures which are slidably connected with the bolt holes 18 and the bolts 22.

The pulling plate 20 is pulled outwards, the pulling plate 20 drives the bolt 22 to move forwards, after the bolt 22 is completely separated from the position of the bolt hole 18, the sliding block 4 can freely slide on the first connecting rod 1 or the second connecting rod 7 through the guide rail 3, medical staff can conveniently move the sliding block 4 according to different positions of bone nails 23 of a patient, the bone nails 23 of the patient can be conveniently fixed, after the sliding block 4 is adjusted to a proper position by the medical staff, the pulling plate 20 is loosened, and the pulling plate 20 moves towards the bolt 22 under the action of the stretching spring 21, so that the effect of fixing the sliding block 4 is achieved.

The locking circular table rod 12 is provided with a plurality of clearance holes 13 which are the same in size and are uniformly distributed, and the outer diameter of the rear side of the locking circular table rod 12 is smaller than the inner diameter of the nail penetrating pipe 15.

The locking circular table rod 12 is made of soft plastic, has plasticity and is convenient for locking and fixing bone nails 23 with different diameters; the outer diameter of the rear side of the locking circular table rod 12 is smaller than the inner diameter of the nail penetrating pipe 15, so that the locking circular table rod 12 can conveniently lock the bone nail 23.

When the device is used, firstly, the angle positions of the first connecting rod 1 and the second connecting rod 7 are adjusted according to the position of a bone nail 23 of a patient, then the angle is locked, the sliding block 4 is moved, the sliding block 4 is locked, the bone nail 23 is placed in the locking circular table rod 12 and is screwed by the screwing handle 11, the bone nail 23 is fixed, the lantern ring 25 is adjusted at the position where the bone nail 23 is contacted with the skin of the patient, the lantern ring 25 is fixed, and when the bone nail 23 is detached, the screwing handle 11 needs to be loosened, and the bone nail is taken off and modified.

Although the terms of the first connecting rod 1, the round block 2, the guide rail 3, the sliding block 4, the counter bore 5, the locking structure 6, the second connecting rod 7, the fixing rod 8, the stopper 9, the screwing block 10, the screwing handle 11, the screwing round table rod 12, the clearance hole 13, the nail penetration tube 15, the rotating ball 16, the sliding slot 17, the bolt hole 18, the screwing screw rod 19, the pulling plate 20, the tension spring 21, the bolt 22, the bone nail 23, the fixing plate 24, the collar 25, the inserting plate 26, the short plate 27, the pulling rod 28, the inserting rod 29, the placing block 30 and the like are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (4)

1. Fracture external fixation frame nail hole protection device, its characterized in that: comprises a first connecting rod (1), the lower end of the first connecting rod (1) is fixedly connected with a hollow round block (2), a flat groove is formed below the round block (2), the round block (2) is hinged with a rotating ball (16), the lower end of the rotating ball (16) is fixedly connected with a second connecting rod (7), the second connecting rod (7) is the same as the first connecting rod (1), the left side and the right side of the first connecting rod (1) are fixedly connected with guide rails (3), the upper side and the lower side of the first connecting rod (1) can be provided with a plurality of sliding blocks (4), the left side and the right side of each sliding block (4) are respectively provided with a sliding groove (17), the guide rails (3) are respectively in sliding connection with the sliding grooves (17), the front sides of the sliding blocks (4) are respectively provided with a locking structure (6), the left sides of the sliding blocks (4) are respectively and fixedly connected with a fixing rod (8), the left sides of the fixing rods, wear nail pipe (15) front side all to be provided with hollow piece (10) of screwing in, wear nail pipe (15) left side all to open counter sink (5) that has run through, it is tight piece (10) rear side soon with wear nail pipe (15) threaded connection, it has locking round platform pole (12) to fasten piece (10) inner wall left side sliding connection soon, it is the same, the even handle (11) of screwing in that distribute of a plurality of sizes of fixedly connected with in the outside of piece (10) soon, the constitution of screwing of handle (11) locking round platform pole (12) structure of fixed bone nail (23).

2. The external fracture fixation frame nail hole protection device according to claim 1, characterized in that: the utility model discloses a bone screw, including wearing nail pipe (15) inner wall sliding connection has bone nail (23), the outer circumference in bone nail (23) right side is provided with the open-ended lantern ring (25), the equal fixedly connected with short slab (27) in the left and right sides of lantern ring (25) upper end, two short slab (27) middle part sliding connection has inserted bar (29), open at inserted bar (29) upper end has a plurality of even open slots that distribute, the right side short slab (27) right part is provided with picture peg (26), picture peg (26) upper end fixedly connected with pull rod (28), pull rod (28) upside cover is equipped with and stretches the spring, stretch spring upper end fixedly connected with fixed plate (24), pull rod (28) with fixed plate (24) sliding connection, stretch the spring lower extreme with picture peg (26) fixed connection, fixed plate (24) and right side short slab (27) fixed connection, right side short slab (27) fixed connection places piece (30), the upper side of the placing block (30) is provided with an upper placing groove, the inserting plate (26) is in sliding connection with the upper placing groove, the width of the upper placing groove is the same as that of the open groove, and the placing block (30) is in sliding connection with the inserting rod (29).

3. The external fracture fixation frame nail hole protection device according to claim 1, characterized in that: locking structure (6) include with head rod (1) is opened has a plurality of the same, evenly distributed bolt holes (18) of size, bolt hole (18) front side is provided with bolt (22), bolt (22) cover is equipped with and stretches spring (21), stretch spring (21) front side fixedly connected with arm-tie (20), bolt (22) with arm-tie (20) fixed connection, stretch spring (21) rear end with slider (4) fixed connection, bolt (22) with slider (4) sliding connection, drawing of bolt (22) constitutes bolt (22) with bolt hole (18) sliding connection's structure.

4. The external fracture fixation frame nail hole protection device according to claim 2, characterized in that: the locking circular table rod (12) is provided with a plurality of clearance holes (13) which are the same in size and are uniformly distributed, and the outer diameter of the rear side of the locking circular table rod (12) is smaller than the inner diameter of the nail penetrating pipe (15).

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