Muscle retractor for spine surgery

Abstract

The utility model belongs to the technical field of medical tools, and particularly relates to a spine surgical operation muscle retractor which comprises a fixing frame, a supporting plate is fixedly connected to the top of the fixing frame, a sleeve is fixedly connected to one end of the supporting plate, a fixing cylinder penetrates through the inner side of the sleeve, a first adjusting rod is inserted into the inner side of one end of the fixing cylinder, and a second adjusting rod is inserted into the inner side of the other end of the fixing cylinder. The outer side of one end of the first adjusting rod is sleeved with an adjusting cylinder, a second adjusting rod is inserted into the inner side of one end of the adjusting cylinder, one end of the second adjusting rod is inserted into the inner side of the other end of the fixing cylinder, the outer side of the first adjusting rod is sleeved with a traction assembly, and the traction assembly comprises an adjusting sleeve and a traction plate. The first adjusting rod is sleeved with the adjusting sleeve, and the outer wall of the adjusting sleeve is in threaded connection with a third bolt. The traction height and the traction direction of the traction plate on one side of the adjusting sleeve can be adjusted, flexible adjustment can be conveniently carried out according to the shape of a spine wound of a patient, operation is convenient, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to medical tool technical field, concretely relates to a kind of muscle retractor for spinal surgery. BACKGROUND

[0002] When performing spinal surgery on patients, the muscles at the surgical incision generally need to be pulled with the help of pulling instruments to facilitate the exposure of the surgical field of view. However, the pulling tools currently in use either have one end held by medical staff for pulling or have one end connected to an external support. Manual holding of the tool lacks stability and wastes manpower. The support connected by the external support has low adjustability and is not convenient for flexible adjustment of the pulling direction according to the shape of the patient's spinal wound.

[0003] Therefore, a muscle retractor for spinal surgery is needed that is stable in pulling and convenient for adjusting the pulling direction according to the wound. SUMMARY

[0004] To solve the above problems in the prior art, the utility model provides a muscle retractor for spinal surgery, which has the characteristics of stable use and flexible adjustment.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a muscle retractor for spinal surgery, comprising a fixed frame, a support plate is fixedly connected to the top of the fixed frame, a sleeve is fixedly connected to one end of the support plate, a fixed cylinder penetrates the inside of the sleeve, a first adjusting rod is inserted into the inside of one end of the fixed cylinder, an adjusting cylinder is sleeved on the outside of one end of the first adjusting rod, a second adjusting rod is inserted into the inside of the other end of the fixed cylinder, a pulling assembly is sleeved on the outside of the first adjusting rod, the pulling assembly comprises an adjusting sleeve and a pulling plate, the adjusting sleeve is sleeved on the outside of the first adjusting rod, a third bolt is threadedly connected to the outer wall of the adjusting sleeve, and the pulling plate is fixedly connected to the outer wall of the adjusting sleeve.

[0006] As a preferred technical scheme of the muscle retractor for spinal surgery of the utility model, the adjusting cylinder comprises a bent cylinder, a first connecting cylinder and a second connecting cylinder, the first connecting cylinder is connected through one end of the bent cylinder, a threaded cylinder is connected through the bottom of one end of the first connecting cylinder, a second bolt is threadedly connected to the inside of the threaded cylinder, the second connecting cylinder is connected through the other end of the bent cylinder, the second connecting cylinder and the first connecting cylinder have the same structure, and the fixed cylinder and the adjusting cylinder have the same shape.

[0007] As one preferred technical scheme of the spinal surgery muscle retractor, the second adjusting rod comprises a bent rod, a first plug-in rod and a second plug-in rod, one end of the bent rod is fixedly connected with the first plug-in rod, the first plug-in rod is plugged into the inner side of the fixed cylinder, the other end of the bent rod is fixedly connected with the second plug-in rod, and the second plug-in rod is plugged into the inner side of the second connecting cylinder.

[0008] As one preferred technical scheme of the spinal surgery muscle retractor, the first adjusting rod and the second adjusting rod are of the same structure.

[0009] As one preferred technical scheme of the spinal surgery muscle retractor, the inner wall of the adjusting sleeve is fixed with a supporting ring, the outer wall of the adjusting sleeve is provided with a second threaded hole, and the third bolt is threadedly connected to the inner side of the second threaded hole.

[0010] As one preferred technical scheme of the spinal surgery muscle retractor, the middle part of the pulling plate is fixed with an elastic plate, and one end of the pulling plate is fixedly connected with a pulling end.

[0011] As one preferred technical scheme of the spinal surgery muscle retractor, the bottom of the fixed frame is provided with a first threaded hole, and the first threaded hole is threadedly connected with a first bolt.

[0012] Compared with the prior art, the spinal surgery muscle retractor has the following beneficial effects:

[0013] In use, the fixed frame, the supporting plate, the fixed cylinder, the first adjusting rod, the adjusting cylinder, the second adjusting rod and the pulling assembly are arranged, one end of the fixed cylinder is plugged with the first adjusting rod, the other end of the fixed cylinder is plugged with the second adjusting rod, one end of the first adjusting rod is plugged into the inner side of one end of the adjusting cylinder, one end of the second adjusting rod is plugged into the inner side of the other end of the adjusting cylinder, the fixed cylinder, the adjusting cylinder, the first adjusting rod and the second adjusting rod form a back-shaped frame, the back-shaped frame is located above the patient's spinal wound by fixing the supporting plate and the fixed frame connected to the fixed cylinder in use, a plurality of pulling assemblies are sleeved on the back-shaped frame, the pulling assemblies can slide and rotate on the fixed cylinder, the adjusting cylinder, the first adjusting rod and the second adjusting rod, the third bolt on the adjusting sleeve of the pulling assembly is tightened after adjustment, the pulling height and the pulling direction of the pulling plate on one side of the adjusting sleeve can be adjusted, the patient's spinal wound shape can be flexibly adjusted, and the operation is convenient and practical.

[0014] And by setting the threaded cylinder and the second bolt on both ends of the adjusting cylinder, the first adjusting rod and the second adjusting rod inserted inside the adjusting cylinder can be tightly fixed by tightening the second bolt, so as to fix the whole frame, according to the different ranges of the spinal incisions of different patients, the medical staff can pull the adjusting cylinder after loosening the second bolt, so that the adjusting cylinder drives the first adjusting rod and the second adjusting rod to move, thereby expanding the range of the whole frame, so that the traction assembly can better pull the muscles at the incision of the patient, further improving the convenience of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a sectional view of the present application;

[0018] Figure 3 It is a sectional view of the present application; Figure 2 It is an enlarged schematic view of position A in the present application;

[0019] Figure 4 It is a sectional view of the traction assembly of the present application.

[0020] In the drawings: 1, fixed frame; 11, first threaded hole; 12, first bolt; 2, support plate; 21, sleeve; 3, fixed cylinder; 4, first adjusting rod; 5, adjusting cylinder; 51, bent cylinder; 52, first connecting cylinder; 521, threaded cylinder; 522, second bolt; 53, second connecting cylinder; 6, second adjusting rod; 61, bent rod; 62, first insertion rod; 63, second insertion rod; 7, traction assembly; 71, adjusting sleeve; 711, support ring; 712, second threaded hole; 713, third bolt; 72, traction plate; 721, elastic plate; 722, traction end. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] EMBODIMENT

[0023] Please refer toFigures 1-4 The utility model provides following technical scheme: A kind of spinal surgery muscle retractor, including fixed frame 1, the top of fixed frame 1 is fixedly connected with support plate 2, one end of support plate 2 is fixedly connected with sleeve 21, and muscle pulling tool can be supported by fixed frame 1 and support plate 2;The bottom of fixed frame 1 is equipped with first threaded hole 11, and first threaded hole 11 is screw-connected with first bolt 12 in the inside, so that fixed frame 1 can be fixedly clamped at the edge of sickbed or operating table, convenient to operate, and the fixing structure is also more common, so it is not described too much here.

[0024] Refer to Figure 1 With Figure 4 As shown, specifically, the inside of sleeve 21 is penetrated by fixed cylinder 3, one end of the inside of fixed cylinder 3 is inserted with first adjusting rod 4, the outside of one end of first adjusting rod 4 is sleeved with adjusting cylinder 5, the inside of one end of adjusting cylinder 5 is inserted with second adjusting rod 6, one end of second adjusting rod 6 is inserted in the inside of the other end of fixed cylinder 3, two adjusting rods, fixed cylinder 3 and adjusting cylinder 5 can form a back-shaped frame, located above the spinal wound of patient, the outside of first adjusting rod 4 is sleeved with pulling assembly 7, and pulling assembly 7 includes adjusting sleeve 71 and pulling plate 72; adjusting sleeve 71 is sleeved on the outside of first adjusting rod 4, and third bolt 713 is screw-connected on the outer wall of adjusting sleeve 71, so that the tightening and fixing of adjusting sleeve 71 can be realized; pulling plate 72 is fixedly connected on the outer wall of adjusting sleeve 71 and used for pulling muscle at the wound of patient; support ring 711 is fixed on the inner wall of adjusting sleeve 71, and the contact area with the back-shaped frame is small, so that it can be flexibly adjusted by sliding at the bending part; the outer wall of adjusting sleeve 71 is provided with second threaded hole 712, and third bolt 713 is screw-connected in the inside of second threaded hole 712; elastic plate 721 is fixed in the middle of pulling plate 72, and pulling end 722 is fixedly connected to one end of pulling plate 72; elastic plate 721 enables pulling plate 72 to be lengthened, has certain elasticity, and can better pull muscle at the wound of patient; the back-shaped frame formed by fixed cylinder 3, adjusting cylinder 5, first adjusting rod 4 and second adjusting rod 6 is provided with pulling assembly 7, so that medical staff can rotate and slide pulling assembly 7 on the back-shaped frame, thereby facilitating the flexible adjustment of the height and position of pulling plate 72 according to the shape of the spinal wound of patient, and improving the convenience and practicality of operation.

[0025] Refer to Figure 2 With Figure 3As shown, specifically, the adjusting cylinder 5 comprises a bent cylinder 51, a first connecting cylinder 52 and a second connecting cylinder 53, one end of the bent cylinder 51 is connected with the first connecting cylinder 52 in a penetrating mode, the bent cylinder 51 is arc-shaped, the bottom of one end of the first connecting cylinder 52 is connected with a threaded cylinder 521 in a penetrating mode, the inner side of the threaded cylinder 521 is connected with a second bolt 522 in a threaded mode, the other end of the bent cylinder 51 is connected with the second connecting cylinder 53 in a penetrating mode, the second connecting cylinder 53 is the same as the first connecting cylinder 52 in structure, the fixed cylinder 3 and the adjusting cylinder 5 are the same in shape; the second adjusting rod 6 comprises a bent rod 61, a first plug-in rod 62 and a second plug-in rod 63, one end of the bent rod 61 is fixedly connected with the first plug-in rod 62, the bent rod 61 is arc-shaped, the first plug-in rod 62 is plugged in the inner side of the fixed cylinder 3, the other end of the bent rod 61 is fixedly connected with the second plug-in rod 63, the second plug-in rod 63 is plugged in the inner side of the second connecting cylinder 53, the second plug-in rod 63 and the second connecting cylinder 53 can be fixed by tightening the second bolt 522; the first adjusting rod 4 and the second adjusting rod 6 are the same in structure; the two second bolts 522 arranged in the scheme can fix the whole back-shaped frame, when the spinal wound ranges of different patients are different, medical staff can realize the movement of the adjusting cylinder 5 by loosening the second bolt 522, so as to drive the movement of the first adjusting rod 4 and the second adjusting rod 6, thereby expanding the range of the whole back-shaped frame, which is suitable for patients in different situations, and further improves the practicality of the traction tool.

[0026] The working principle and use process of the utility model: when the utility model is used for the operation of a patient in a spine surgery department, the fixed cylinder 3 is fixed at an operating table through the fixed frame 1 and the supporting plate 2, so that the first adjusting rod 4, the second adjusting rod 6 and the adjusting cylinder 5 inserted in one end of the fixed cylinder 3 are supported above the spinal wound of the patient, the fixed cylinder 3, the first adjusting rod 4, the adjusting cylinder 5 and the second adjusting rod 6 are all sleeved with the traction assembly 7, medical staff can loosen the second bolt 522 according to the range of the spinal wound of the patient, realize the movement of the adjusting cylinder 5, so as to drive the movement of the first adjusting rod 4 and the second adjusting rod 6, thereby adjusting the range of the frame composed of the fixed cylinder 3, the first adjusting rod 4, the adjusting cylinder 5 and the second adjusting rod 6, then the traction assembly 7 is slid or rotated on the frame, the traction height and position of the traction plate 72 are adjusted, the third bolt 713 is tightened after adjustment to fix, then the medical staff lengthens the elastic plate 721 of the traction plate 72, and the traction end 722 is hung at the muscle of the wound of the patient to perform the traction operation, which is convenient and flexible to adjust.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A surgical muscle retractor for spinal surgery comprising a fixed frame (1) characterised in that: The top of the fixed frame (1) is fixedly connected with a supporting plate (2), one end of the supporting plate (2) is fixedly connected with a sleeve (21), the inside of the sleeve (21) penetrates a fixed cylinder (3), one end of the inside of the fixed cylinder (3) is inserted with a first adjusting rod (4), one end of the outside of the first adjusting rod (4) is sleeved with an adjusting cylinder (5), one end of the inside of the adjusting cylinder (5) is inserted with a second adjusting rod (6), one end of the second adjusting rod (6) is inserted into the other end of the inside of the fixed cylinder (3), the outside of the first adjusting rod (4) is sleeved with a pulling assembly (7), the pulling assembly (7) comprises an adjusting sleeve (71) and a pulling plate (72), the adjusting sleeve (71) is sleeved on the outside of the first adjusting rod (4), the third bolt (713) is threadedly connected on the outer wall of the adjusting sleeve (71), the pulling plate (72) is fixedly connected on the outer wall of the adjusting sleeve (71).

2. A muscle retractor for spinal surgery as claimed in claim 1, wherein: The adjusting cylinder (5) comprises a bent cylinder (51), a first connecting cylinder (52) and a second connecting cylinder (53), one end of the bent cylinder (51) is connected with the first connecting cylinder (52) in penetration, the bottom of one end of the first connecting cylinder (52) is connected with a threaded cylinder (521) in penetration, the inside of the threaded cylinder (521) is threadedly connected with a second bolt (522), the other end of the bent cylinder (51) is connected with the second connecting cylinder (53) in penetration, the second connecting cylinder (53) and the first connecting cylinder (52) are the same in structure, the fixed cylinder (3) and the adjusting cylinder (5) are the same in shape.

3. A muscle retractor for spinal surgery as claimed in claim 2, wherein: The second adjusting rod (6) comprises a bent rod (61), a first inserted rod (62) and a second inserted rod (63), one end of the bent rod (61) is fixedly connected with the first inserted rod (62), the first inserted rod (62) is inserted into the inside of the fixed cylinder (3), the other end of the bent rod (61) is fixedly connected with the second inserted rod (63), the second inserted rod (63) is inserted into the inside of the second connecting cylinder (53).

4. A muscle retractor for spinal surgery as claimed in claim 3, wherein: The first adjusting rod (4) and the second adjusting rod (6) are the same in structure.

5. A muscle retractor for spinal surgery as claimed in claim 4, wherein: The inner wall of the adjusting sleeve (71) is fixedly connected with a supporting ring (711), the outer wall of the adjusting sleeve (71) is provided with a second threaded hole (712), the third bolt (713) is threadedly connected on the inside of the second threaded hole (712).

6. A muscle retractor for spinal surgery as claimed in claim 5 wherein: The middle of the pulling plate (72) is fixedly connected with an elastic plate (721), one end of the pulling plate (72) is fixedly connected with a pulling end (722).

7. A muscle retractor for spinal surgery as claimed in claim 6 wherein: The bottom of the fixed frame (1) is provided with a first threaded hole (11), the inside of the first threaded hole (11) is threadedly connected with a first bolt (12).

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