CN212066775U

CN212066775U - Sternum retractor for cardiothoracic surgery

Info

Publication number: CN212066775U
Application number: CN202020172291.3U
Authority: CN
Inventors: 任恺; 李步潆; 薛超; 陈玉洁
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-16
Filing date: 2020-02-16
Publication date: 2020-12-04
Anticipated expiration: 2030-02-16

Abstract

The utility model discloses a sternum retractor for cardiothoracic surgery, including the connecting rod, the outside cover of connecting rod is equipped with two movable sleeve, and movable sleeve's positive fixedly connected with connection piece, the below symmetry of two connection piece one ends are provided with the traction plate, are provided with spring steel plate in the inner chamber of traction plate, and one side fixedly connected with bamboo charcoal fiber layer that two spring steel plate carried on the back mutually all laminates with one side inner wall of traction plate through fixing base fixedly connected with gasbag, one side of gasbag. The utility model discloses utilize the traction plate and gasbag matched with mode of setting up, can extrude the gasbag through spring steel plate, cushion the power that comes from the breastbone through the gasbag to alright prevent that the traction plate is direct and the breastbone contact, the oppression that causes feels, thereby be convenient for protect the breastbone of retracting, reduce the rescue in-process, the unexpected injury that brings for patient.

Description

Sternum retractor for cardiothoracic surgery

Technical Field

The utility model relates to the field of medical equipment, in particular to a sternum retractor for cardiothoracic surgery.

Background

In various thoracotomy operations of thoracic and cardiac surgery, in order to facilitate medical staff to see specific conditions in the chest of a patient more comprehensively, a sternum spreader is needed to expand the treatment visual field of the medical staff, the conventional sternum retractor generally adopts a mode that a rotating wheel is matched with a rack to drive a movable arm to move, then the movable arm drives a traction block to move, the two traction blocks move away from each other, the sternum can be retracted, and the direct contact between the traction blocks and the sternum can cause the compression of the sternum, so that the sternum is easily broken and cracked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sternum retractor for cardiothoracic surgery 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 sternum retractor for cardiothoracic surgery, includes the connecting rod, the outside cover of connecting rod is equipped with two movable sleeve, one of them movable sleeve is located the one end of connecting rod, and should movable sleeve cup joints with the connecting rod is fixed, movable sleeve's positive fixedly connected with connection piece, two the below symmetry of connection piece one end is provided with the traction plate, be provided with spring steel plate in the inner chamber of traction plate, spring steel plate's the equal fixedly connected with connecting plate in top and bottom, two one side fixedly connected with bamboo charcoal fiber layer that spring steel plate carried on the back mutually, two one side that spring steel plate is relative all is through fixing base fixedly connected with gasbag, one side of gasbag is laminated with one side inner wall of traction plate mutually.

Preferably, the top symmetry fixedly connected with threaded rod of traction plate, the threaded rod is connected with connection piece sliding and interlude, the top screw thread interlude of threaded rod is connected with the nut.

Preferably, two equal fixedly connected with slider on the connecting plate, just two sliders symmetry settings on two connecting plates, the bottom and the top of traction plate inner wall all seted up with slider matched with spout.

Preferably, the top of connecting rod has seted up the fluting, a plurality of latches of equidistance fixedly connected with on the grooved one side inner wall.

Preferably, the top of the other movable sleeve is rotatably inserted with a first round rod, the bottom of the first round rod is fixedly sleeved with a gear, the gear is meshed with the latch, and the top of the first round rod is fixedly sleeved with a handle.

Preferably, a clamping plate is movably clamped in a gap between adjacent tooth blocks of the clamping teeth, a spring is fixedly connected to one side of the back of the clamping plate, a fixing plate is fixedly connected to one end of the spring, and the top end of the fixing plate is fixedly connected with the top end of the inner cavity of the movable sleeve.

Preferably, one side of the clamping plate is fixedly inserted and connected with a second round rod, and the second round rod penetrates through the movable sleeve to be fixedly connected with the handle.

The utility model discloses a technological effect and advantage:

(1) the utility model utilizes the matched setting mode of the traction plate and the air bag, the air bag can be extruded through the spring steel plate, and the force from the breastbone is buffered through the air bag, thereby preventing the traction plate from directly contacting with the breastbone to cause oppression feeling, facilitating the protection of the retracted breastbone and reducing the accidental injury brought to the patient in the rescue process;

(2) the utility model discloses utilize cardboard and spring matched with to set up the mode, through blockking of cardboard, just can prevent the clockwise rotation of gear, and then prevent the gyration of first round bar, also prevent just also the antedisplacement when the movable sleeve slides, be convenient for make movable sleeve's removal more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the top view structure of the present invention.

Fig. 3 is a schematic diagram of the structure of the traction plate of the present invention.

Fig. 4 is a schematic view of the inner portion of the movable sleeve according to the present invention.

Fig. 5 is a schematic view of the structure of the inner side of the movable sleeve of the present invention.

In the figure: 1. a connecting rod; 2. a movable sleeve; 3. connecting sheets; 4. a traction plate; 5. a spring steel plate; 6. a connecting plate; 7. a bamboo charcoal fiber layer; 8. an air bag; 9. a slider; 10. a chute; 11. grooving; 12. clamping teeth; 13. a gear; 14. a first round bar; 15. a handle; 16. clamping a plate; 17. a spring; 18. a handle.

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.

The utility model provides a sternum retractor for cardiothoracic surgery as shown in fig. 1-5, including connecting rod 1, the outside cover of connecting rod 1 is equipped with two movable sleeve 2, one of them movable sleeve 2 is located the one end of connecting rod 1, and this movable sleeve 2 cup joints with connecting rod 1 is fixed, wherein another movable sleeve 2 cup joints with connecting rod 1 slip, movable sleeve 2's positive fixedly connected with connection piece 3, the below symmetry of 3 one ends of two connection pieces is provided with traction plate 4, the top symmetry fixedly connected with threaded rod of traction plate 4, the threaded rod alternates with 3 slips of connection piece and is connected, the top screw thread interlude of threaded rod is connected with the nut, when unscrewing the nut, alright dismantle traction plate 4, the convenience is to the washing of traction plate 4, so that use next time.

The inner cavity of the traction plate 4 is internally provided with a spring steel plate 5, the spring steel plate 5 has certain rigidity and toughness, after ribs are conveniently pressed on the spring steel plate 5, the spring steel plate 5 firstly buffers the spring steel plate, then the air bags 8 buffer the spring steel plate, the top end and the bottom end of the spring steel plate 5 are fixedly connected with connecting plates 6, the connecting plates 6 are made of bamboo charcoal fibers and can effectively inhibit bacterial reproduction, one side of each of the two spring steel plates 5, which is opposite to each other, is fixedly connected with an air bag 8 through a fixing seat, one side of each air bag 8 is attached to the inner wall of one side of the traction plate 4, the two connecting plates 6 are fixedly connected with sliding blocks 9, the two sliding blocks 9 are symmetrically arranged on the two connecting plates 6, the bottom and the top of the inner wall of the traction plate 4 are respectively provided with a sliding groove 10 matched with the sliding blocks 9, the sliding groove 10 is an open groove, which is convenient for taking out the parts such as the spring steel plate 5, the air bag 8 and the like for cleaning and disinfection so as to be used next time.

Fluting 11 has been seted up at the top of connecting rod 1, fluting 11 is rectangular shape rectangular channel, be convenient for make gear 13 remove in fluting 11's inner chamber, a plurality of latches 12 of equidistance fixedly connected with on the side inner wall of fluting 11, wherein the top of another movable sleeve 2 is rotated and is alternated and be connected with first round bar 14, gear 13 has been cup jointed to the bottom of first round bar 14 is fixed, and gear 13 is connected with the meshing of latch 12, handle 15 has been cup jointed to the top of first round bar 14 is fixed.

A clamping plate 16 is movably clamped in a gap between adjacent tooth blocks of the clamping teeth 12, a spring 17 is fixedly connected to one side of the back of the clamping plate 16, when the gear 13 rotates anticlockwise, the tooth blocks on the gear 13 can beat the clamping plate 16, at the moment, the clamping plate 16 can move towards the spring 17, the spring 17 is compressed, at the moment, the clamping plate 16 has no blocking effect on the rotation of the gear 13, when the gear 13 rotates clockwise, one tooth block of the gear 13 can be in contact with the clamping plate 16, the clockwise rotation of the gear 13 can be prevented through the blocking of the clamping plate 16, further, the rotation of the first round rod 14 is prevented, the backward movement of the movable sleeve 2 during sliding is also prevented, the movable sleeve 2 is convenient to move more stably, one end of the spring 17 is fixedly connected with a fixing plate, the top end of the fixing plate is fixedly connected with the top end of the inner cavity of the movable sleeve 2, one side of the clamping, the second round bar passes movable sleeve 2 fixedly connected with handle 18, through clockwise turning handle 18, drives cardboard 16 through the second round bar and carries out clockwise rotation to cardboard 16 that makes this moment no longer has the hindrance effect to the clockwise rotation of gear 13.

The utility model discloses the theory of operation:

when a user needs to perform sternal retraction on a patient, the distance between the two movable sleeves 2 can be adjusted according to the length of the sternum of the user, the first round rod 14 is driven to rotate by rotating the handle 15 anticlockwise, then the first round rod 14 drives the gear 13 to rotate, the movable sleeves 2 can slide outside the connecting rod 1 conveniently through the meshing between the gear 13 and the latch 12, then the traction plate 4 is driven to move, the sternum is pressed onto the surface of the bamboo charcoal fiber layer 7 through the movement of the traction plate 4, then the air bags 8 are pressed through the spring steel plates 5, and the force from the sternum is buffered through the air bags 8, so that the traction plate 4 can be prevented from directly contacting with the sternum to cause a compression feeling.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "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 parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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. Sternal retractor for cardiothoracic surgery, comprising a connecting rod (1), characterized in that: two movable sleeves (2) are sleeved outside the connecting rod (1), one of the movable sleeves (2) is positioned at one end of the connecting rod (1), the movable sleeve (2) is fixedly sleeved with the connecting rod (1), the front surface of the movable sleeve (2) is fixedly connected with a connecting sheet (3), traction plates (4) are symmetrically arranged below one ends of the two connecting pieces (3), a spring steel plate (5) is arranged in the inner cavity of the traction plate (4), the top end and the bottom end of the spring steel plate (5) are both fixedly connected with a connecting plate (6), one side of each of the two spring steel plates (5) which is opposite to each other is fixedly connected with a bamboo charcoal fiber layer (7), one side of each of the two spring steel plates (5) which is opposite to each other is fixedly connected with an air bag (8) through a fixed seat, one side of the air bag (8) is attached to the inner wall of one side of the traction plate (4).

2. A sternal retractor for cardiothoracic surgery as claimed in claim 1, wherein: the top symmetry fixedly connected with threaded rod of traction plate (4), the threaded rod is connected with connection piece (3) sliding interlude, the top screw thread interlude of threaded rod is connected with the nut.

3. A sternal retractor for cardiothoracic surgery as claimed in claim 1, wherein: two equal fixedly connected with slider (9) is gone up in connecting plate (6), just two slider (9) symmetry sets up on two connecting plates (6), spout (10) with slider (9) matched with are all seted up at the bottom and the top of traction plate (4) inner wall.

4. A sternal retractor for cardiothoracic surgery as claimed in claim 1, wherein: fluting (11) has been seted up at the top of connecting rod (1), equidistance fixedly connected with a plurality of latches (12) on the side inner wall of one side of fluting (11).

5. A sternal retractor for cardiothoracic surgery as claimed in claim 1, wherein: the top of another movable sleeve (2) rotates to be inserted and connected with a first round rod (14), the bottom of first round rod (14) is fixedly sleeved with a gear (13), the gear (13) is meshed and connected with a latch (12), and the top of the first round rod (14) is fixedly sleeved with a handle (15).

6. A sternal retractor for cardiothoracic surgery as in claim 4, wherein: the clamp plate (16) is movably clamped in a gap between adjacent tooth blocks of the clamp teeth (12), a spring (17) is fixedly connected to one side of the back face of the clamp plate (16), a fixing plate is fixedly connected to one end of the spring (17), and the top end of the fixing plate is fixedly connected with the top end of an inner cavity of the movable sleeve (2).

7. A sternal retractor for cardiothoracic surgery as in claim 6, wherein: one side of the clamping plate (16) is fixedly inserted and connected with a second round rod, and the second round rod penetrates through the movable sleeve (2) and is fixedly connected with a handle (18).