CN213465294U

CN213465294U - Bone-knitting nail removing device after orthopedic operation

Info

Publication number: CN213465294U
Application number: CN202021055527.1U
Authority: CN
Inventors: 孙经淞; 孙国华; 曲淑贤; 聂升亮
Original assignee: First Affiliated Hospital of Dalian Medical University
Current assignee: First Affiliated Hospital of Dalian Medical University
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-18
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a bone nail taking-out device after orthopedic surgery, which comprises a bottom plate, wherein an arc through groove is arranged on the bottom plate, a first round pipe is movably connected in the arc through groove, a support post is arranged on the outer side wall of the first round pipe, a support plate is arranged at the upper end of the support post, a second round pipe penetrates through the support plate, a threaded pipe is arranged at the upper end of the second round pipe, a threaded rod is in threaded connection with the threaded pipe, and a connecting rod is arranged at the lower end of the threaded rod. Causing the first sleeve to slip off, causing an accident.

Description

Bone-knitting nail removing device after orthopedic operation

Technical Field

The utility model relates to the technical field of orthopedic surgery, the concrete field is a bone pin remove device after orthopedic surgery.

Background

In medical clinic, fracture is one of common diseases of bone trauma, a bone screw extractor belongs to a medical apparatus and comprises a screwdriver and a positioning tube, in hospital orthopedic medical operation, a steel plate or a bone screw is often required to be installed on a bone of a patient to fix the bone of the patient, the bone is ensured to be recovered, and after the bone of the patient is recovered, the bone screw is required to be extracted.

At present, the method commonly adopted for treating the fracture is to implement an internal fixation operation, namely, after the fracture part is reduced, the reduced bone is connected by means of a bone fracture plate and a bone screw which are made of metal materials, in the process of taking off the bone fracture plate after the internal fixation operation, the bone screw needs to be taken off, but the bone screw taking-off process is easy to have accidents, the bone screw can be broken off, the bone screw is difficult to be screwed out by tools such as a screwdriver and the like, the time and the cost are consumed in the bone taking-off process, the wound and the operation time are easy to increase, even the bone screw is left in the bone for the whole life, and a lot of inconvenience is brought to a patient, so that the pain of the patient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an osteosynthesis nail remove device behind orthopedic operation to solve the traditional osteosynthesis nail that proposes in the above-mentioned background and take out the process and meet an accident easily, the osteosynthesis nail probably breaks, and hardly with the osteosynthesis nail through instrument such as screwdriver and twist out soon, get the nail process and take time and expense, still increase wound and operation time easily, put even and abandon and get the nail, let its lifetime stay in the skeleton, bring a great deal of inconvenience for the patient, thereby increase the painful problem of patient.

In order to achieve the above purpose, the utility model provides a bone screw removing device after orthopedic surgery, which comprises a bottom plate, wherein an arc through groove is arranged on the bottom plate, a first round pipe is movably connected in the arc through groove, a strut is arranged on the outer side wall of the first round pipe, a supporting plate is arranged at the upper end of the strut, a second round pipe penetrates through the supporting plate, a screwed pipe is arranged at the upper end of the second round pipe, the screwed pipe is connected with a threaded rod in a threaded manner, the lower end of the threaded rod is provided with a connecting rod, the connecting rod penetrates through the second round pipe, the lower end of the connecting rod is provided with a first sleeve, a connecting block is arranged at the upper end of the threaded rod, the upper side wall of the connecting block is rotatably connected with a first round ring, a through groove is arranged on the upper side wall of the first round ring, a clamping groove is arranged on the upper, the draw-in groove internal clamping has the extension bar, the last lateral wall of connecting block is equipped with the fixture block, just the fixture block is located the central point of connecting block puts, the joint has the second sleeve on the fixture block, the telescopic lateral wall of going up of second is equipped with the recess.

Preferably, the lower side wall of the supporting plate is rotatably connected with a second circular ring, the lower side wall of the second circular ring is provided with a telescopic rod, and the lower end of the telescopic rod is fixedly connected with the first sleeve.

Preferably, the lower end of the telescopic rod is provided with a fixing ring.

Preferably, the cross section of the through groove is T-shaped.

Preferably, the upper side wall of the bottom plate is provided with a binding belt.

Preferably, the fixing rods penetrate through the left end and the right end of the arc-shaped through groove in a threaded mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a bone nail remove device behind orthopedic operation, leads to the groove active adjusting device's angle of taking out at the arc through first pipe, avoids the patient to adjust the posture adaptation and take out the angle taking out at the in-process of taking out, breaks away from through rotating the screw rod drive bone nail rotation in the threaded tube, through the fixed first sleeve of second ring and telescopic link auxiliary connecting rod, promotes first telescopic stability, prevents that the connecting rod from rotating the stress deformation of in-process, leads to first sleeve to take off the cunning, causes the accident.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structural diagram of the bottom plate of the present invention;

fig. 3 is a top view of a first ring of the present invention;

fig. 4 is a schematic view of the connecting block of the present invention.

In the figure: 1-bottom plate, 2-first round tube, 3-pillar, 4-bracing plate, 5-second round tube, 6-screwed tube, 7-threaded rod, 8-connecting rod, 9-first sleeve, 10-connecting block, 11-first ring, 12-through groove, 13-clamping groove, 14-extension rod, 15-clamping block, 16-second sleeve, 17-second ring, 18-telescopic rod, 19-fixing ring, 20-binding band and 21-fixing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a bone screw taking-out device after orthopedic surgery comprises a bottom plate 1, a supporting device of the bottom plate 1 is used, an arc-shaped through groove is formed in the bottom plate 1, a first circular tube 2 is movably connected in the arc-shaped through groove, the taking-out angle of the device is actively adjusted in the arc-shaped through groove through the first circular tube 2, the situation that a patient needs to adjust the posture to adapt to the taking-out angle in the taking-out process is avoided, a strut 3 is arranged on the outer side wall of the first circular tube 2, a supporting plate 4 is supported through the strut 3, the sufficient distance is kept to meet the requirement that a bone screw is taken out and separated, a supporting plate 4 is arranged at the upper end of the strut 3, a second circular tube 5 penetrates through the supporting plate 4, the second circular tube 5 is fixed through the supporting plate 4, a threaded tube 6 is arranged at the upper end of the second circular tube 5, a threaded rod 7 is in threaded, the bone screw is driven to rotate and separate by rotating the threaded rod 7 in the threaded pipe 6, the bone screw is pressed by the connecting rod 8 and the first sleeve 9 in the rotating and taking-out process, the connection stability of the first sleeve 9 and the bone screw is kept by using the pressure, but the bone screw and the drum bone connection part are likely to crack and release due to overlarge pressure, so that the bone is injured, the bone screw is rotated upwards in the threaded pipe 6 through the threaded rod 7, the pressure of the bone screw is prevented from being increased simultaneously, the bone screw is prevented from being damaged by threads due to stress in the rotating and taking-out process, the connecting rod 8 is arranged at the lower end of the threaded rod 7, the threaded rod 7 is lengthened through the connecting rod 8, the threads are easy to block, the bone screw is convenient to take out, the connecting rod 8 penetrates through the second round pipe 5, the first sleeve 9 is arranged at the lower end of the connecting rod 8, and the first sleeve 9 is matched, through the connection of the first sleeve 9 fixing device and the bone screw, the upper end of the threaded rod 7 is provided with the connecting block 10, the electric hand drill is connected through the connecting block 10, physical power is saved, meanwhile, the protection function of the electric hand drill is utilized to avoid clamping in the rotating process, bones are continuously and vigorously rotated and damaged, the upper side wall of the connecting block 10 is rotatably connected with the first circular ring 11, the extension bar 14 is fixed through the first circular ring 11 in cooperation with the clamping groove 13, the upper side wall of the first circular ring 11 is provided with the through groove 12, the extension bar 14 is clamped in the clamping groove 13 through the through groove 12, the extension bar 14 enters the clamping groove 13 and then rotates the first circular ring 11, the through groove 12 and the clamping groove 13 are staggered, the clamping groove 13 is sealed, the extension bar 14 is prevented from being separated from the clamping groove 13, the upper side wall of the connecting block 10 is provided with the clamping groove 13, the cross section of the clamping groove, the joint has extension bar 14 in draw-in groove 13, through the 14 extension arm of force of extension, improves and rotates strength, makes things convenient for the bone screw card to die time artifical afterburning supplementary take out, the last lateral wall of connecting block 10 is equipped with fixture block 15, just fixture block 15 is located the central point of connecting block 10 puts, connects the 16 transmission power of second sleeve through fixture block 15, the joint has second sleeve 16 on the fixture block 15, connects electric hand drill through second sleeve 16, the last lateral wall of second sleeve 16 is equipped with the recess, and the drill bit of recess and electric hand drill is unanimous, through recess joint electric hand drill, makes things convenient for electric hand drill's connection.

Particularly, as shown in fig. 1, it is connected with second ring 17 to rotate on the lower lateral wall of fagging 4, be equipped with telescopic link 18 on the lower lateral wall of second ring 17, the lower extreme of telescopic link 18 with first sleeve 9 fixed connection, through second ring 17 and the fixed first sleeve 9 of telescopic link 18 auxiliary connection pole 8, promote the stability of first sleeve 9, prevent that connecting rod 8 from rotating the stress deformation of in-process, lead to first sleeve 9 to take off the cunning, cause accident.

Specifically, as shown in fig. 1, the lower ends of the telescopic rods 18 are provided with the fixing rings 19, and the fixing rings 19 determine the distance between the telescopic rods 18, thereby improving the overall stability.

Specifically, as shown in fig. 1, the cross section of the through groove 12 is T-shaped, so that the extension bar 14 is conveniently fixed through the T-shaped cross section, and the stability of connection between the clamping groove 13 and the extension bar 14 is improved.

Specifically, as shown in fig. 1, the upper side wall of the base plate 1 is provided with a strap 20, and the patient's trunk is fixed by the strap 20 being wound around the patient, so that the patient is prevented from being mistakenly moved in the process of taking out the bone-knitting nail.

Specifically, as shown in fig. 1, the fixing rods 21 are threaded through the left and right ends of the arc-shaped through groove, the position of the first pipe 2 is limited by the fixing rods 21 from the two ends, and the rotation of the first pipe 2 is limited by the fixing rods 21 from the two ends, so as to fix the angle of the first pipe 2.

The working principle is as follows: the patient passes the limb to be operated through the first round tube 2, the first round tube 2 is wound and fixed by the bandage 20, then the first round tube 2 is rotated, the position angle is adjusted, the first sleeve 9 is sleeved on the bone screw, the active fixing rod 21 is used for locking and fixing the first round tube 2, then the electric hand drill and the second sleeve 16 are connected, the electric hand drill is started, the second sleeve 16 is driven by the electric hand drill to drive the connecting block 10 to rotate, and threaded rod 7 spiral rising in screwed pipe 6, first sleeve 9 rotates bone screw spiral rising simultaneously, accomplishes taking out of bone screw, takes out the fixed first sleeve 9 of in-process

second ring

17 and 18 auxiliary connection poles 8 of telescopic link, promotes the stability of first sleeve 9, prevents that connecting rod 8 from rotating the stress deformation of in-process, leads to first sleeve 9 to take off the cunning, causes the accident, takes out the position angle of the first pipe 2 of the first round pipe of flexible dead lever 21 adjustment of back, draws next bone screw.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bone nail remove device behind bone surgery, includes bottom plate (1), its characterized in that: the arc-shaped through groove is formed in the bottom plate (1), a first round pipe (2) is movably connected in the arc-shaped through groove, a support column (3) is arranged on the outer side wall of the first round pipe (2), a support plate (4) is arranged at the upper end of the support column (3), a second round pipe (5) penetrates through the support plate (4), a threaded pipe (6) is arranged at the upper end of the second round pipe (5), a threaded rod (7) is connected to the threaded pipe (6) in an internal thread manner, a connecting rod (8) is arranged at the lower end of the threaded rod (7), the connecting rod (8) penetrates through the second round pipe (5), a first sleeve (9) is arranged at the lower end of the connecting rod (8), a connecting block (10) is arranged at the upper end of the threaded rod (7), a first round ring (11) is rotatably connected to the upper side wall of the connecting block (10), a through groove (, draw-in groove (13) have been seted up on the last lateral wall of connecting block (10), just draw-in groove (13) with the cross section that leads to groove (12) is unanimous, the joint has extension bar (14) in draw-in groove (13), the last lateral wall of connecting block (10) is equipped with fixture block (15), just fixture block (15) are located the central point of connecting block (10) puts, the joint has second sleeve (16) on fixture block (15), the last lateral wall of second sleeve (16) is equipped with the recess.

2. A bone screw removal device after bone surgery as defined in claim 1, wherein: the lower side wall of the supporting plate (4) is rotatably connected with a second circular ring (17), a telescopic rod (18) is arranged on the lower side wall of the second circular ring (17), and the lower end of the telescopic rod (18) is fixedly connected with the first sleeve (9).

3. A bone screw removal device after bone surgery as defined in claim 2, wherein: the lower end of the telescopic rod (18) is provided with a fixing ring (19) together.

4. A bone screw removal device after bone surgery as defined in claim 1, wherein: the cross section of the through groove (12) is T-shaped.

5. A bone screw removal device after bone surgery as defined in claim 1, wherein: the upper side wall of the bottom plate (1) is provided with a binding band (20).

6. A bone screw removal device after bone surgery as defined in claim 1, wherein: the left end and the right end of the arc-shaped through groove are both threaded through with fixing rods (21).