CN209984257U

CN209984257U - Novel orthopedic amputation saw

Info

Publication number: CN209984257U
Application number: CN201920203576.6U
Authority: CN
Inventors: 游启志; 田维才; 陈金燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-01-24
Anticipated expiration: 2029-02-15

Abstract

The utility model relates to a novel orthopedics is saw for amputation, including bone saw body and support, the bone saw body passes through carriage release lever and support swing joint, and the support is provided with the fixing device who corresponds each other with the bone saw body, and fixing device includes first fixture block and second fixture block, connects through the swing mechanism between first fixture block and the second fixture block to first fixture block is connected with the form that can form fixed patient's limbs with the second fixture block through the swing mechanism and is put the space and rotate with the second fixture block. The limb of the patient is fixed through the fixing device, so that medical staff can use the electric saw more accurately, the cutting position of the electric saw can be ensured to be accurate, and deviation cannot be caused to influence the operation.

Description

Novel orthopedic amputation saw

Technical Field

The utility model relates to a surgical instrument technical field especially relates to a novel orthopedics is cut limb and is used saw.

Background

Clinically, to ensure the smooth operation and the successful operation, a surgical plan must be established, and the relevant surgical instruments should be selected to properly prepare the instruments required for the whole surgical procedure before the operation. For orthopedic surgery, a great number of different surgical instruments are prepared because injuries are complicated and various and mixed surgical treatment needs to be performed in different ways. Surgery is the main treatment means in orthopaedics, and bone saws are the common medical instruments in orthopaedics.

For example, chinese patent publication No. CN104490450A discloses an automatic cut-in electric saw for orthopedic surgery, which is characterized by comprising a bone saw body, a moving block, a carriage, and a support, wherein the bone saw body is located below the carriage, a central shaft of the bone saw body is connected with a connecting rod, the connecting rod is fixedly connected with the carriage, the carriage is fixedly connected with a cylinder through a first fixing frame, two ends of the carriage are fixedly connected with the moving block, a laser distance measuring sensor is arranged on one side of the carriage, the cylinder is fixedly connected with a cross rod through a second fixing frame, two ends of the cross rod are transversely arranged on the support, a bed side fixing groove of the moving block is arranged on a side of the support, the moving block is located in the bed side fixing groove of the moving.

However, the device is not provided with a limb fixing device, and when the device is used, the limb of a patient is not fixed and needs to be fixed by medical staff, so that the device is very inconvenient, and the incision of the electric saw can be changed when the electric saw is used due to the unstable fixation of the staff to the limb, so that the incision is possibly deviated, and the operation is possibly failed.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model provides a novel orthopedics is saw for amputation, including bone saw body and support, bone saw body pass through the carriage release lever with support swing joint, the support be provided with the fixing device of bone saw body mutual correspondence, fixing device includes first fixture block and second fixture block, first fixture block with connect through the swing joint between the second fixture block, thereby first fixture block passes through swing joint with can with the limb that the second fixture block formed fixed patient's limb is the form of putting the space with the second fixture block rotates to be connected.

According to a preferred embodiment, the first block is a semicircular cylinder in cross section, and the second block is provided with another semicircular cylinder which is complementary with the first block.

According to a preferred embodiment, the movable mechanism comprises a hollow cylinder and a movable shaft, wherein the middle position of the movable shaft is fixedly connected with the first fixture block through a second connecting block, the hollow cylinder capable of moving at two ends of the movable shaft is arranged on the second fixture block, and two ends of the movable shaft are arranged in the hollow cylinder.

According to a preferred embodiment, each of the first fixture block and the second fixture block is provided with a bone saw channel, and the bone saw channel penetrates through the first fixture block and the second fixture block.

According to a preferred embodiment, two ends of the second fixture block are fixedly connected with the bracket through first connecting blocks, a through hole through which the fixing bolt can pass is formed in the first fixture block, and threaded holes matched with the fixing bolt are formed in positions corresponding to the second fixture block and the through hole.

According to a preferred embodiment, the central shaft of the bone saw body is fixedly connected with the moving rod through a connecting rod, and two ends of the moving rod are connected with the bracket through sliding blocks.

According to a preferred embodiment, the bracket is provided with a sliding groove for the sliding block to slide, and the sliding block is installed in the sliding groove.

According to a preferred embodiment, two ends of the support are respectively and fixedly connected with the cross rod and the fixing block.

According to a preferred embodiment, the cross rod is connected with the moving rod through an air cylinder, one end of the air cylinder is fixedly connected with the cross rod, and the other end of the air cylinder is connected with the moving rod through a fixing frame.

According to a preferred embodiment, the fixing block is provided with a fixing groove capable of being fixed with the operating table.

The utility model provides a novel orthopedics is cut beneficial effect of limb and is included at least with saw: the utility model discloses be provided with fixing device, the limbs that form fixed limbs through fixing device's first fixture block and second fixture block cooperation are and put the passageway, place patient's limbs and be in the passageway is put to the limbs, thereby fix limbs through first fixture block of fixing bolt locking and second fixture block. The limb of the patient is fixed through the fixing device, so that medical staff can use the electric saw more accurately, the cutting position of the electric saw can be ensured to be accurate, and deviation cannot be caused to influence the operation.

Drawings

FIG. 1 is a schematic view of an amputation saw provided in the present invention;

fig. 2 is a preferred side view of the fastening device provided by the present invention; and

fig. 3 is another preferred side view of the fastening device provided by the present invention.

List of reference numerals

1: the moving rod 2: the bone saw body 3: fixing device

4: the movable mechanism 5: a fixing frame 6: cylinder

7: cross bar 8: a slide block 9: sliding chute

10: the support 11: connecting rod 12: fixed block

13: fixing groove 14: the cotton pad 31: first connecting block

32: the second latch 33: fixing the bolt 34: first clamping block

35: bone saw channel 41: hollow cylinder 42: movable shaft

43: second connecting block

Detailed Description

The following detailed description is made with reference to fig. 1 to 3.

In the description of the present invention, the terms "first", "second", "third" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," and so forth may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "inner", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, the term "detachably" is one of bonding, key connection, screw connection, pin connection, snap connection, hinge connection, clearance fit, or transition fit. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1, the present embodiment provides a novel orthopedic amputation saw. The amputation saw comprises a bone saw body 2 connected to a support 10. Preferably, the fixing device 3 is fixedly connected with the bracket 10. The fixing device 3 includes a first latch 34 and a second latch 32. One end of the first clamping block 34 is movably connected with the second clamping block 32 through the movable mechanism 4, and the other end of the first clamping block 34 is connected with the second clamping block 32 through the fixing bolt 33. The first latch 34 is rotatable about the movable mechanism 4. And the two ends of the second clamping block 32 are fixedly connected with the bracket 10 through the first connecting block 31. One end of the first connecting block 31 is fixedly connected with the second latch 32, and the other end is fixedly connected with the bracket 10. The first latch 34 is a semi-circular cylinder in cross section, and the second latch 32 is provided with another semi-circular cylinder which is complementary with the first latch 34. The cotton pad 14 is arranged on the first block 34 and the second block 32, and the cotton pad 14 can protect the limb of the patient. The limb presenting channel for fixing the limb is formed by the cooperation of the first block 34 and the second block 32. The limb of the patient is placed in the limb presenting channel, and the first fixture 34 and the second fixture 32 are locked by the fixing bolt 33 so as to fix the limb. The limb of the patient is fixed through the fixing device 3, so that medical staff can use the electric saw more accurately, the cutting position of the electric saw can be ensured to be accurate, and deviation cannot be caused to influence the operation.

Preferably, as shown in fig. 2, a through hole for allowing the fixing bolt 33 to pass through is formed in the first latch 34, and a threaded hole engaged with the fixing bolt 33 is formed in a position corresponding to the through hole and the second latch 32. The first fixture block 34 and the second fixture block 32 are both provided with bone saw channels 35, and the bone saw channels 35 penetrate through the first fixture block 34 and the second fixture block 32. When cutting, the bone saw body 2 enters the bone saw channel 35 for cutting.

Preferably, as shown in fig. 3, the movable mechanism 4 includes a hollow cylinder 41 and a movable shaft 42. The middle position of the movable shaft 42 is fixedly connected with the first fixture block 34 through a second connection block 43. One end of the second connecting block 43 is fixedly connected with the movable shaft 42, and the other end is fixedly connected with the first latch 34. The second fixture block 32 is provided with a hollow cylinder 41 for moving two ends of the movable shaft 42, and two ends of the movable shaft 42 are embedded in the hollow cylinder 41. The movable shaft 42 can rotate in the hollow cylinder 41.

Preferably, the bone saw body 2 is connected to the support 10 by means of a movable bar 1. The bone saw body 2 is connected with the movable rod through a connecting rod 11. One end of the connecting rod 11 is connected with the central shaft of the bone saw body 2, and the other end of the connecting rod 11 is fixedly connected with the middle position of the moving rod 1. The central shaft of the bone saw body 2 is connected with a motor, and the rotation of the bone saw body 2 is controlled by the motor. Both ends of the movable rod 1 are provided with slide blocks 8, and the slide blocks 8 are fixedly connected with the movable rod 1. Two ends of the movable rod 1 are movably connected with the bracket 10 through the sliding block 8. The bracket 10 is provided with a sliding groove 9 for the sliding of the sliding block 8. The slide 8 is mounted in the slide groove 9. The travel bar 1 can move up and down along the chute 9.

Preferably, one end of the bracket 10 is fixedly connected with the cross bar 7. The two ends of the cross bar 7 are transversely arranged on the bracket 10. The middle position of the cross rod 7 is fixedly connected with one end of the air cylinder 6. The other end of the cylinder 6 is connected with the movable rod 1 through a fixed frame 5. One end of the fixed frame 5 is fixedly connected with the cylinder 6, and the other end is fixedly connected with the movable rod 1. The moving rod 1 is pushed by the cylinder 6 to move up and down along the sliding groove 9 on the bracket 10. For example, the cylinder 6 may be an SC type cylinder of the sedge type, an SI type cylinder, or the like. The other end of the bracket 10 is fixedly connected with a fixed block 12. The fixing block 12 is provided with a fixing groove 13, and the cross section of the fixing groove 13 is in an omega shape. The amputation saw can be fixed to the operating table by the fixing groove 13.

The working principle is as follows: when the amputation saw is used, firstly, the amputation saw is fixed on the operating table through the fixing groove 13 on the fixing block 12, the fixing bolt 33 is opened, the limb of the patient is placed in the limb placing channel formed by the matching of the first clamping block 34 and the second clamping block 32, and the first clamping block 34 and the second clamping block 32 are fixed through the fixing bolt 33, so that the limb of the patient is fixed. The bone saw body 2 is rotated by the starting motor, the cylinder 6 is started, the moving rod 1 is moved in the direction close to the fixing device 3 through the cylinder 6, so that the bone saw body 2 moves towards the limb of the patient, enters the bone saw channel 35 on the fixing device 3 to cut the limb of the patient, and when the cutting is finished, the bone saw body 2 is moved out of the bone saw channel 35 through the cylinder 6.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The utility model provides a novel orthopedics is saw for amputation, includes bone saw body (2) and support (10), bone saw body (2) through carriage release lever (1) with support (10) swing joint, its characterized in that, support (10) be provided with fixing device (3) that bone saw body (2) correspond each other, fixing device (3) include first fixture block (34) and second fixture block (32), first fixture block (34) with connect through activity mechanism (4) between second fixture block (32), thereby first fixture block (34) pass through activity mechanism (4) with can with the limb that second fixture block (32) formed fixed patient's limbs is the form of putting the space with second fixture block (32) rotate and are connected.

2. The amputation saw as claimed in claim 1, characterized in that said first block (34) is a semicircular cylinder in cross-section, and said second block (32) is provided with another semicircular cylinder complementary to said first block (34).

3. The amputation saw of claim 1 or 2, wherein the movable mechanism (4) comprises a hollow cylinder (41) and a movable shaft (42),

the middle position of the movable shaft (42) is fixedly connected with the first fixture block (34) through a second connecting block (43), the second fixture block (32) is provided with a hollow cylinder (41) which can supply the two ends of the movable shaft (42) to move, and the two ends of the movable shaft (42) are arranged in the hollow cylinder (41).

4. The amputation saw as claimed in claim 1, characterized in that said first block (34) and said second block (32) are each provided with a bone saw channel (35), said bone saw channel (35) extending through said first block (34) and said second block (32).

5. The amputation saw as claimed in claim 1, wherein both ends of the second block (32) are fixedly connected with the bracket (10) through a first connecting block (31), the first block (34) is provided with a through hole for a fixing bolt (33) to pass through, and the positions of the second block (32) and the through hole are provided with threaded holes engaged with the fixing bolt (33).

6. The amputation saw according to claim 1, characterized in that the central axis of the bone saw body (2) is fixedly connected to the moving bar (1) by means of a connecting rod (11), and both ends of the moving bar (1) are connected to the support (10) by means of a slider (8).

7. The amputation saw according to claim 6, characterised in that the support (10) is provided with a sliding slot (9) in which the sliding block (8) can slide, the sliding block (8) being mounted in the sliding slot (9).

8. The amputation saw according to claim 1, characterised in that the support (10) is fixedly connected at both ends with the cross bar (7) and the fixing block (12), respectively.

9. The amputation saw according to claim 8, characterized in that the cross bar (7) is connected to the moving bar (1) by means of a cylinder (6), one end of the cylinder (6) being fixedly connected to the cross bar (7), the other end of the cylinder (6) being connected to the moving bar (1) by means of a holder (5).

10. The amputation saw of claim 8, wherein the fixing block (12) is provided with a fixing groove (13) capable of fixing with an operating bed.