CN210019518U

CN210019518U - Novel wire saw guide

Info

Publication number: CN210019518U
Application number: CN201920425225.XU
Authority: CN
Inventors: 关超
Original assignee: Tianjin Kangeryusheng Medical Equipment Co Ltd
Current assignee: Tianjin Kangeryusheng Medical Equipment Co Ltd
Priority date: 2019-04-01
Filing date: 2019-04-01
Publication date: 2020-02-07
Anticipated expiration: 2029-04-01

Abstract

The utility model discloses a novel coping saw guide, including guide bar, arc pole, saw wire and adjusting part, guide bar one end and arc pole one end are fixed, and the arc pole is kept away from guide bar one end and is fixed with the fixed block, lead to the hard tube in guide bar and arc pole are, and guide bar and arc pole intercommunication, adjusting part installs in the guide bar outside, and is equipped with the subassembly that tightens in the guide bar, saw wire one end is connected with the fixed block, and the other end is fixed with adjusting part, the utility model relates to an exquisiteness adjusts in a flexible way, rotates the post through rotating during the use, can control the length of cutting end saw wire, in the less working space of volume, through the length that reduces the saw wire to the range of hand saw makes medical staff cut the saw more light when carrying out the sternum separation operation.

Description

Novel wire saw guide

Technical Field

The utility model relates to the technical field of medical instruments for orthopedic surgery, in particular to a novel fretsaw guide.

Background

At present, a sternum separation saw used in clinics of orthopedics department mainly comprises a tooth pitch and a wire saw, the tooth pitch easily damages thoracic organ tissues and organs when a sternum separation operation is performed on a patient, and seriously threatens the health and the life of the patient, and when the wire pitch is used, the wire pitch is fixed and inflexible due to the fixed size, the volume of the thoracic cavity of the patient is small, and the wire pitch cannot be pulled greatly, so that the working strength is increased when medical personnel perform the sternum separation operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel coping saw guide to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel coping saw guide, includes guide bar, arc pole, saw line and adjusting part, guide bar one end and arc pole one end are fixed, and the arc pole keeps away from guide bar one end and is fixed with the fixed block, lead to the hard tube in guide bar and arc pole are, and guide bar and arc pole intercommunication, adjusting part installs in the guide bar outside, and is equipped with the subassembly that tightens in the guide bar, saw line one end is connected with the fixed block, and the other end is fixed with adjusting part.

Preferably, the adjusting part comprises rotation post, adjusting collar, connecting block, fixed plate and gag lever post, the fixed plate is equipped with two, and fixed cover is in the guide bar top and the bottom outside respectively, rotate post sliding sleeve in the guide bar outside, and both ends all rotate through bearing and two fixed plates and be connected. The outer side of the top of the rotating column is carved with an external thread, an internal thread is carved in the adjusting sleeve, the adjusting sleeve is sleeved on the outer side of the rotating column and is in threaded connection with the rotating column, one side of the rotating column is fixed with the connecting block, the connecting block is connected with one end of the saw wire, one side, away from the connecting block, of the adjusting sleeve is provided with a limiting opening, two ends of the limiting rod are fixed on the outer side of the arc-shaped rod and the fixed plate respectively, and the outer side of the limiting rod is in sliding connection with the inner wall of the.

Preferably, the subassembly of tightening comprises lead screw, rotating sleeve, connecting plate, spacing post and lifter plate, the lead screw is located the guide bar, and the lead screw top is fixed with the connecting plate, the connecting plate is fixed at guide bar top inner wall, the lead screw is kept away from connecting plate one end and is rotated set bottom inner wall fixed, and rotates the sleeve sliding sleeve and overlap in the guide bar bottom outside, open threaded hole in the lifter plate, and the lifter plate passes through threaded hole and lead screw threaded connection, saw wire one end runs through inside the guide bar through arc pole one end, and with lifter plate surface fixed, spacing post both ends are fixed in connecting plate bottom and rotating sleeve top respectively, and the lifter plate sliding sleeve is in the spacing post outside.

Preferably, the outside of the bottom of the guide rod is fixed with a limiting plate, a limiting groove is formed in the inner side of the rotating sleeve, the limiting plate is located in the limiting groove, and the outside of the limiting plate is connected with the inner wall of the limiting groove in a sliding mode.

Preferably, the outer side of the bottom of the rotating column and the outer side of the rotating sleeve are both carved with anti-skid grains.

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

1. the utility model relates to an exquisiteness, it is nimble to adjust, rotates the post through rotating during the use, can control the length of cutting end saw line, in the less workspace of volume, through the length that reduces the saw line to the range of broaching saw makes medical staff cut the saw more light when carrying out the sternum separation operation.

2. The utility model discloses a tight subassembly can make the saw line keep a state of tightening after the length of adjusting the saw line, the going on of the operation of being convenient for.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention in partial section;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view of fig. 1 at B.

In the figure: 1-a guide bar; 2-an arc-shaped rod; 3-sawing wires; 4-a regulating component; 5, fixing blocks; 6-a tightening assembly; 7-rotating the column; 8-adjusting sleeve; 9-connecting blocks; 10-fixing the plate; 11-a limiting rod; 12-a limit port; 13-a screw rod; 14-a rotating sleeve; 15-a connecting plate; 16-a lifter plate; 17-a limiting plate; 18-a limiting groove; 19-limiting column.

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, a novel wire saw guide in the figure comprises a guide rod 1, an arc rod 2, a saw wire 3 and an adjusting component 4, wherein one end of the guide rod 1 is fixed with one end of the arc rod 2, a fixing block 5 is fixed at one end of the arc rod 2 far away from the guide rod 1, the guide rod 1 and the arc rod 2 are both a hollow hard tube, the guide rod 1 is communicated with the arc rod 2, the adjusting component 4 is installed at the outer side of the guide rod 1, a tightening component 6 is arranged in the guide rod 1, one end of the saw wire 3 is connected with the fixing block 5, the other end of the saw wire is fixed with the adjusting component 4, the adjustment of the length of the saw wire 3 at the cutting end is realized through the adjusting component 4, and the saw wire 3 is kept in a tightening state through the tightening component 6.

Adjusting part 4 comprises rotation post 7, adjusting collar 8, connecting block 9, fixed plate 10 and gag lever post 11, fixed plate 10 is equipped with two, and fixed cover is in the guide bar 1 top and bottom outside respectively, rotate post 7 sliding sleeve in the guide bar 1 outside, and both ends all rotate with two fixed plates 10 through the bearing and are connected. The external screw thread is carved with in the 7 top outsides of rotation post, be carved with the internal thread in the adjusting

collar

8, and 8 covers of adjusting collar are in the 7 outsides of rotation post to with 7 threaded connection of rotation post, it is fixed with connecting block 9 to rotate 7 one side of post, and connecting block 9 is connected with 3 one end of saw wire, adjusting collar 8 keeps away from 9 one side of connecting block and opens there is spacing mouthful 12, 11 both ends of gag lever post are fixed in 2 outsides of arc pole and fixed plate 10 respectively, and 11 outsides of gag lever post and spacing mouthful 12 inner walls and gag lever post 11 outside sliding connection, thereby realize the regulation to the length of cutting end saw wire 3 through the position of control adjusting collar 8.

The specific implementation mode is as follows: when the length of cutting end sawing wire 3 needs to be adjusted, through rotatory rotation post 7, owing to rotate 7 top outsides of post and be carved with the external screw thread to with 8 threaded connection of adjusting collar, so drive adjusting collar 8 and remove in the rotation post 7 outside, owing to adjust 8 one side of collar and open there is spacing mouthful 12, and spacing mouthful 12 card is in the gag lever post 11 outside, so make adjusting collar 8 do rectilinear movement, thereby realize the regulation to the length of cutting end sawing wire 3.

Referring to fig. 1-4, the tightening assembly 6 shown in the figure is composed of a screw rod 13, a rotating sleeve 14, a connecting plate 15, a limiting post 19 and a lifting plate 16, the screw rod 13 is located in the guide rod 1, the top of the screw rod 13 is fixed with the connecting plate 15, the connecting plate 15 is fixed on the inner wall of the top of the guide rod 1, one end of the screw rod 13, away from the connecting plate 15, is fixed with the inner wall of the bottom of the rotating sleeve 14, the rotating sleeve 14 is slidably sleeved on the outer side of the bottom of the guide rod 1, a threaded hole is formed in the lifting plate 16, the lifting plate 16 is in threaded connection with the screw rod 13 through the threaded hole, one end of the saw wire 3 penetrates into the guide rod 1 through one end of the arc-shaped rod 2 and is fixed with the surface of the lifting plate 16, two ends of the limiting post 19 are respectively fixed on the bottom of the connecting plate 15 and the top of the rotating sleeve 14, so that the saw wire 3 can be kept in a taut state.

The specific implementation mode is as follows: after the length of the cutting end saw wire 3 is adjusted, the cutting end saw wire 3 is in a loose state, at the moment, the rotating sleeve 14 is rotated to drive the screw rod 13 fixed with the rotating sleeve to rotate, so that the lifting plate 16 in threaded connection with the screw rod 13 moves, the limiting column 19 is used for limiting, the lifting plate 16 moves up and down, the saw wire 3 fixed on the surface of the lifting plate 16 is pulled, and the cutting end saw wire 3 is always in a tight state.

The outside of guide rod 1 bottom is fixed with limiting plate 17, and rotates cover 14 inboard and open and have spacing groove 18, limiting plate 17 is located spacing groove 18, and limiting plate 17 outside and 18 inner walls sliding connection of spacing groove prevent to rotate cover 14 and break away from.

The outer side of the bottom of the rotating column 7 and the outer side of the rotating sleeve 14 are both engraved with anti-slip lines, so that the friction force is increased, and the rotation is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel wire saw guide, includes guide bar (1), arc pole (2), saw wire (3) and adjusting part (4), its characterized in that: guide pole (1) one end and arc pole (2) one end are fixed, and arc pole (2) keep away from guide pole (1) one end and be fixed with fixed block (5), lead to the hard tube in guide pole (1) and arc pole (2) are, and guide pole (1) and arc pole (2) intercommunication, adjusting part (4) are installed in the guide pole (1) outside, and are equipped with in guide pole (1) and tighten subassembly (6), saw line (3) one end is connected with fixed block (5), and the other end is fixed with adjusting part (4).

2. The novel wire saw guide of claim 1, wherein: the adjusting assembly (4) comprises a rotating column (7), an adjusting sleeve (8), a connecting block (9), a fixing plate (10) and a limiting rod (11), wherein the two fixing plates (10) are respectively fixedly sleeved on the top and the bottom of the guide rod (1), the rotating column (7) is slidably sleeved on the outer side of the guide rod (1), two ends of the rotating column are rotatably connected with the two fixing plates (10) through bearings, external threads are carved on the outer side of the top of the rotating column (7), internal threads are carved in the adjusting sleeve (8), the adjusting sleeve (8) is sleeved on the outer side of the rotating column (7) and is in threaded connection with the rotating column (7), one side of the rotating column (7) is fixed with the connecting block (9), the connecting block (9) is connected with one end of a saw wire (3), one side of the adjusting sleeve (8) far away from the connecting block (9) is provided with a limiting opening (12), two ends of the limiting rod (11) are respectively fixed on the outer side of the arc-shaped rod (2, and the outer side of the limiting rod (11) is connected with the inner wall of the limiting opening (12) and the outer side of the limiting rod (11) in a sliding way.

3. The novel wire saw guide of claim 1, wherein: the tightening assembly (6) is composed of a lead screw (13), a rotating sleeve (14), a connecting plate (15), a lifting plate (16) and a limiting column (19), the lead screw (13) is positioned in the guide rod (1), the top of the lead screw (13) is fixed with the connecting plate (15), the connecting plate (15) is fixed on the inner wall of the top of the guide rod (1), one end, far away from the connecting plate (15), of the lead screw (13) is fixed with the inner wall of the bottom of the rotating sleeve (14), the rotating sleeve (14) is sleeved on the outer side of the bottom of the guide rod (1) in a sliding mode, a threaded hole is formed in the lifting plate (16), the lifting plate (16) is in threaded connection with the lead screw (13) through the threaded hole, one end of the saw wire (3) penetrates through one end of the arc-shaped rod (2) to the inside of the guide rod (1) and is fixed with the surface of the lifting plate (16), two ends of the limiting column (19, and the lifting plate (16) is sleeved outside the limiting column (19) in a sliding manner.

4. The novel wire saw guide of claim 3, wherein: the guide rod (1) bottom outside is fixed with limiting plate (17), and rotates cover (14) inboard and open and have spacing groove (18), limiting plate (17) are located spacing groove (18), and limiting plate (17) outside and spacing groove (18) inner wall sliding connection.

5. The novel wire saw guide of claim 2, wherein: anti-skid grains are carved on the outer side of the bottom of the rotating column (7) and the outer side of the rotating sleeve (14).