CN209734052U - Retractor for orthopedic surgery - Google Patents

Abstract

The utility model discloses a retractor for orthopedic surgery, including first fixer, the right side fixedly connected with pivot of first fixer, first fixer rotates through the left side of pivot with the second fixer to be connected, and the equal fixedly connected with in top of first fixer and second fixer pulls a section of thick bamboo, and two not perforation of equidimension are seted up at the middle part of pulling a section of thick bamboo, the bottom fixedly connected with backup pad of second fixer, the top fixedly connected with fixed sleeve of backup pad. This retractor for bone surgery continues to give the decurrent effort of arm-tie through utilizing pulling force rubber band to and the horizontal displacement through adjusting a section of thick bamboo again, drive sliding block sliding displacement on first fixer, change the angle of first fixer, thereby reached two positions of pulling apart between the section of thick bamboo of adjustment, then through the stopper joint between two fixed blocks again, make its angle between fixed first fixer and the second fixer, reached then and made its effect of pulling apart a section of thick bamboo and being stably fixed in the operation.

Description

Retractor for orthopedic surgery

Technical Field

the utility model relates to the technical field of retractors for orthopedic surgery, in particular to a retractor for orthopedic surgery.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing operation, is convenient to explore and operate, can be divided into a handheld draw hook and an automatic draw hook, has specifications of various shapes and sizes, and can select a proper draw hook according to the operation requirement.

At present, the existing retractor for orthopedic surgery is generally used for changing the position of a retracting cylinder by adjusting the length of a pull strip at the bottom of a retracting arm through the change of the angle of the retracting arm, wherein the angle of the retracting arm is fixed through an elastic sheet between two retracting walls and a rack on the pull strip, but the retracting arm can be frequently touched in the surgery, and the stability between the retracting arm and the rack needs to be frequently adjusted by a nurse in the surgery due to the fact that the fixing of the bottom of the retracting arm and the tooth is unstable, so that unnecessary troubles are brought to the surgery.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a retractor for orthopedic operation has solved current retractor for orthopedic operation and has needed the problem that the nurse often adjusted the stability between arm and the rack that leads.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a retractor for orthopedic surgery comprises a first fixer, wherein a rotating shaft is fixedly connected to the right side of the first fixer, the first fixer is rotatably connected with the left side of a second fixer through the rotating shaft, a retracting cylinder is fixedly connected to the tops of the first fixer and the second fixer, two through holes with different sizes are formed in the middle of the retracting cylinder, a supporting plate is fixedly connected to the bottom of the second fixer, a fixing sleeve is fixedly connected to the top of the supporting plate, an adjusting cylinder penetrates through the side surface of the fixing sleeve, a plurality of fixing blocks are fixedly connected to the top of the adjusting cylinder, limiting lugs are fixedly connected to the front surface and the back surface of the adjusting cylinder, sliding grooves matched with the limiting lugs are formed in the inner wall of the fixing sleeve, the surface of the adjusting cylinder is connected with the fixing sleeve in a sliding manner, the left side of the adjusting cylinder penetrates through the second fixer and extends to the right side of the first fixer, its end and the right side fixed connection of sliding block, the spout that the cooperation sliding block used is seted up on the right side of first fixer, insert in the spout that first fixer was seted up in the left side of sliding block, the surface and the first fixer sliding connection of sliding block, two inserted bars have been inserted at fixed sleeve's top, the surface and the fixed sleeve sliding connection of inserted bar, the bottom fixedly connected with stopper of inserted bar, the stopper is located between two liang of fixed blocks, two the top of inserted bar all with the bottom fixed connection of arm-tie, two pulling force rubber bands of bottom fixedly connected with of arm-tie, the bottom and the fixed sleeve's of pulling force rubber band top fixed connection, the top fixedly connected with pull rod of arm-tie.

Preferably, the right side of the adjusting cylinder is fixedly connected with a baffle, and the right side of the baffle is fixedly connected with a pulling ring.

Preferably, the top of the pull rod is fixedly connected with a pulling handle.

Preferably, the two insertion rods are respectively distributed in a left-right symmetrical mode by taking the center of the pulling plate as a center.

Preferably, a reinforcing lantern ring is fixedly connected to the left side of the second fixer, and the inner wall of the reinforcing lantern ring is in sliding connection with the surface of the adjusting cylinder.

Preferably, a limiting sleeve is fixedly sleeved on the surface of the left side of the adjusting cylinder.

(III) advantageous effects

The utility model provides a retractor for orthopedic surgery. The method has the following beneficial effects:

(1) This retractor for bone surgery, setting through first fixer and second fixer, and adjust a section of thick bamboo, the fixed block, the backup pad, fixed sleeve, the baffle, the inserted bar, the stopper, the arm-tie, the pulling force rubber band, the cooperation of pull rod and sliding block is used, thereby played and utilized the pulling force rubber band to last for the decurrent effort of arm-tie, then horizontal displacement through adjusting a section of thick bamboo again, drive sliding block sliding displacement on first fixer, change the angle of first fixer, thereby reached two positions of pulling between the section of thick bamboo of adjustment, then through the stopper joint between two fixed blocks again, make the angle between its fixed first fixer and the second fixer, then reached and made its effect of pulling out a section of thick bamboo in the operation and being stably fixed.

Drawings

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

FIG. 2 is an enlarged schematic view of the interior of the part A of the structure of FIG. 1 of the present invention;

Fig. 3 is an enlarged schematic view of the point C in the structure diagram of fig. 2 of the present invention;

Fig. 4 is an enlarged schematic view of the point B in the structure diagram 1 of the present invention.

in the figure: 1. a first holder; 2. a second holder; 3. a rotating shaft; 4. a pulling barrel; 5. an adjusting cylinder; 6. a fixed block; 7. a limiting bump; 8. a support plate; 9. fixing the sleeve; 10. reinforcing the lantern ring; 11. a baffle plate; 12. pulling the ring; 13. inserting a rod; 14. a limiting block; 15. pulling a plate; 16. pulling the rubber band; 17. a pull rod; 18. pulling the handle; 19. a limiting sleeve; 20. and a slider.

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.

as shown in fig. 1-4, the utility model provides a technical solution: a retractor for orthopedic surgery comprises a first fixer 1, a rotating shaft 3 is fixedly connected to the right side of the first fixer 1, the first fixer 1 is rotatably connected with the left side of a second fixer 2 through the rotating shaft 3, a retracting cylinder 4 is fixedly connected to the tops of the first fixer 1 and the second fixer 2, two through holes with different sizes are formed in the middle of the retracting cylinder 4, a supporting plate 8 is fixedly connected to the bottom of the second fixer 2, a fixing sleeve 9 is fixedly connected to the top of the supporting plate 8, an adjusting cylinder 5 penetrates through the side surface of the fixing sleeve 9, a baffle plate 11 is fixedly connected to the right side of the adjusting cylinder 5, a pulling ring 12 is fixedly connected to the right side of the baffle plate 11, the effect of conveniently pulling the baffle plate 11 is achieved through the arrangement of the pulling ring 12, a plurality of fixing blocks 6 are fixedly connected to the top of the adjusting cylinder 5, and limit lugs 7 are fixedly connected to the front and the back of the adjusting cylinder 5, the inner wall of the fixed sleeve 9 is provided with a sliding groove matched with the limit bump 7 for use, the surface of the adjusting cylinder 5 is in sliding connection with the fixed sleeve 9, the left side of the adjusting cylinder 5 penetrates through the second fixer 2 and extends to the right of the first fixer 1, the tail end of the adjusting cylinder is fixedly connected with the right side of the sliding block 20, the left side of the second fixer 2 is fixedly connected with a reinforcing lantern ring 10, the inner wall of the reinforcing lantern ring 10 is in sliding connection with the surface of the adjusting cylinder 5, the effect of reinforcing the stability of the adjusting cylinder 5 is achieved by arranging the reinforcing lantern ring 10, the right side of the first fixer 1 is provided with a sliding groove matched with the sliding block 20 for use, the left side of the sliding block 20 is inserted into the sliding groove arranged on the first fixer 1, the surface of the sliding block 20 is in sliding connection with the first fixer 1, the top of the fixed sleeve 9 is inserted with two inserting rods 13, the two inserting, the surface and the fixed sleeve 9 sliding connection of inserted bar 13, the bottom fixedly connected with stopper 14 of inserted bar 13, stopper 14 is located between two liang of fixed blocks 6, the top of two inserted bars 13 all with the bottom fixed connection of arm-tie 15, two pulling force rubber bands 16 of the bottom fixedly connected with of arm-tie 15, the bottom of pulling force rubber band 16 and the top fixed connection of fixed sleeve 9, the top fixedly connected with pull rod 17 of arm-tie 15, the top fixedly connected with pulling handle 18 of pull rod 17, through the setting of pulling handle 18, thereby the effect of being convenient for pulling pull rod 17 has been played, it has spacing sleeve 19 to fix the cover on the left surface of regulation section of thick bamboo 5, setting through spacing sleeve 19, thereby played and adjusted section of thick bamboo 5 and carried out spacing effect to it.

When in use, the pulling handle 18 is pulled upwards, the pulling plate 15 is driven to move upwards through the pulling rod 17, so that the pulling rubber band 16 is stretched, the limiting block 14 is driven to move upwards through the inserting rod 13, the limiting block 14 is not clamped between the two fixing blocks 6, then the pulling ring 12 is pulled in the horizontal direction, the horizontal displacement of the adjusting cylinder 5 is adjusted, the sliding block 20 is driven to slide and move on the first fixing device 1, so that the angle of the first fixing device 1 is changed, after the angle required by the pulling cylinder 4 is adjusted, the acting force of the pulling handle 18 is released, the inserting rod 13 is driven to move downwards by utilizing the elastic recovery principle of the pulling rubber band 16, so that the limiting block 14 is clamped between the two fixing blocks 6, at the moment, the angle between the first fixing device 1 and the second fixing device 2 is completely fixed, and the purpose of stably fixing the pulling cylinder 4 in an operation is achieved, and those not described in detail in this specification are well within the skill of those in the art.

To sum up, the retractor for the orthopedic surgery is provided, through the arrangement of the first fixer 1 and the second fixer 2, and the adjustment cylinder 5, the fixing block 6, the supporting plate 8, the fixing sleeve 9, the baffle 11, the inserting rod 13, the limiting block 14, the pulling plate 15, the pulling rubber band 16, the pulling rod 17 and the sliding block 20 are used in a matching manner, so that the downward acting force for the pulling plate 15 by the pulling rubber band 16 is continuously exerted, then the sliding block 20 is driven to slide on the first fixer 1 through the horizontal displacement of the adjustment cylinder 5, the angle of the first fixer 1 is changed, the position between the two retraction cylinders 4 is adjusted, then the limiting block 14 is clamped between the two fixing blocks 6, the first fixer 1 and the second fixer 2 are fixed, and the effect that the retraction cylinder 4 is stably fixed in the surgery is achieved.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. Retractor for orthopedic operations, comprising a first fixator (1), characterized in that: the right side of the first fixer (1) is fixedly connected with a rotating shaft (3), the first fixer (1) is rotatably connected with the left side of the second fixer (2) through the rotating shaft (3), the tops of the first fixer (1) and the second fixer (2) are both fixedly connected with a retracting cylinder (4), the middle part of the retracting cylinder (4) is provided with two through holes with different sizes, the bottom of the second fixer (2) is fixedly connected with a supporting plate (8), the top of the supporting plate (8) is fixedly connected with a fixing sleeve (9), the side surface of the fixing sleeve (9) penetrates through an adjusting cylinder (5), the top of the adjusting cylinder (5) is fixedly connected with a plurality of fixing blocks (6), the front and the back of the adjusting cylinder (5) are both fixedly connected with limiting lugs (7), the inner wall of the fixing sleeve (9) is provided with a sliding groove matched with the limiting lugs (7) for use, the surface of the adjusting cylinder (5) is in sliding connection with the fixing sleeve (9), the left side of the adjusting cylinder (5) penetrates through the second fixing device (2) and extends to the right side of the first fixing device (1), the tail end of the adjusting cylinder is fixedly connected with the right side of the sliding block (20), the right side of the first fixing device (1) is provided with a sliding groove matched with the sliding block (20) for use, the left side of the sliding block (20) is inserted into the sliding groove formed in the first fixing device (1), the surface of the sliding block (20) is in sliding connection with the first fixing device (1), the top of the fixing sleeve (9) is inserted with two insertion rods (13), the surface of each insertion rod (13) is in sliding connection with the fixing sleeve (9), the bottom of each insertion rod (13) is fixedly connected with a limiting block (14), each limiting block (14) is located between every two fixing blocks (6), and the tops of the two insertion rods (13) are fixedly connected with the bottom of the pulling plate (15), the bottom of the pulling plate (15) is fixedly connected with two pulling force rubber bands (16), the bottom of each pulling force rubber band (16) is fixedly connected with the top of the fixing sleeve (9), and the top of the pulling plate (15) is fixedly connected with a pulling rod (17).

2. An orthopedic retractor according to claim 1, further comprising: the right side fixedly connected with baffle (11) of adjusting a section of thick bamboo (5), the right side fixedly connected with of baffle (11) pulls ring (12).

3. An orthopedic retractor according to claim 1, further comprising: the top of the pull rod (17) is fixedly connected with a pulling handle (18).

4. An orthopedic retractor according to claim 1, further comprising: the two inserting rods (13) are respectively distributed in a left-right symmetrical mode by the center of the pulling plate (15).

5. An orthopedic retractor according to claim 1, further comprising: the left side fixedly connected with of second fixer (2) consolidates lantern ring (10), the inner wall of consolidating lantern ring (10) and the surperficial sliding connection who adjusts a section of thick bamboo (5).

6. An orthopedic retractor according to claim 1, further comprising: and a limiting sleeve (19) is fixedly sleeved on the surface of the left side of the adjusting cylinder (5).