CN215079031U

CN215079031U - Surgical instrument for establishing space behind sternum

Info

Publication number: CN215079031U
Application number: CN202121186175.8U
Authority: CN
Inventors: 朱孝中
Original assignee: Affiliated Hospital of Jiangsu University
Current assignee: Affiliated Hospital of Jiangsu University
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-10
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a surgical instruments for establishing space behind breastbone: the improved rice noodle making machine comprises a rice noodle head, a rice noodle rod and a hook rod part which are sequentially connected, wherein the rice noodle rod and the hook rod part are detachably connected, a trapezoidal head with an upward inclined bottom surface is arranged at the end part of the rice noodle head, and the trapezoidal head is provided with a through hole vertical to the surface of the rice noodle head; the hook rod part is provided with a fixing plate, the fixing plate is provided with a hook ring, the angle of the hook ring relative to the hook rod part is adjustable and can be locked at a certain fixed position, and the hook ring is provided with an operation hole. The utility model discloses a hook pole portion adopts and cuts with the operation, and the xiphoid process undercut approach promptly, and is unanimous with sternum major axis direction, does not need additional little incision, and the possibility of not damaged internal artery and vein of thorax, safe tractive force is also great. The hook rod part is also provided with a smoke exhaust channel which can be connected with a negative pressure suction device, thereby solving the problem that the surgical field is fuzzy due to the fact that smoke generated in the use process of the surgical energy platform can not be effectively exhausted. The part also adopts a multi-angle adjustable design, and an operator can better master the balance of the traction force in the operation.

Description

Surgical instrument for establishing space behind sternum

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to surgical instrument for establishing space behind breastbone.

Background

During diagnosis and treatment of poststernal/anterior mediastinal diseases, such as (thoracoscopic) anterior mediastinal tumor resection; (thoracoscope) pericardial cyst excision, incision drainage, pericardial excision and other operations; (thoracoscope) establishment of a tunnel behind the sternum in esophageal cancer radical surgery; (thoracoscope) surgical treatment of the infraxiphoid mediastinal/pulmonary disease, etc., requires the use of a kit for establishing the space behind the sternum. In the prior art, a posterior sternum retractor is usually adopted, but the posterior sternum retractor has large limitation, which is specifically shown in the following steps: the sternum posterior hook is perpendicular to the long axis of the sternum, and a small incision is needed to assist the sternum posterior hook to perform the sternum traction function. The design of the auxiliary small incision is not beautiful enough, and the possibility of damaging the internal arteriovenous of the thorax exists. Moreover, the safe traction force is also small, and the sternum fracture is possible under the condition of large traction force. Therefore, the method is not widely accepted and is not widely applied clinically.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model provides a surgical instrument for establishing the space behind the sternum, which solves the technical problems that in the prior art, a small incision needs to be additionally made beside the sternum for assistance when a posterior hook is used, and the sternum fracture is possibly caused.

In order to realize the above object, the utility model adopts the following technical scheme:

a surgical instrument for establishing a posterior sternal space: the improved rice noodle making machine comprises a rice noodle head, a rice noodle rod and a hook rod part which are sequentially connected, wherein the rice noodle rod and the hook rod part are detachably connected, a trapezoidal head with an upward inclined bottom surface is arranged at the end part of the rice noodle head, and the trapezoidal head is provided with a through hole vertical to the surface of the rice noodle head;

the hook rod part is provided with a fixing plate, the fixing plate is provided with a hook ring, the angle of the hook ring relative to the hook rod part is adjustable and can be locked at a certain fixed position, and the hook ring is provided with an operation hole.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the end part of the through bar rod is provided with a clamping groove, the end part of the hook rod part is provided with a clamping head, the clamping groove comprises an end hole arranged at the end part of the through bar rod and a side hole arranged at the side part of the through bar rod and communicated with the end hole, and the width of the side hole is greater than that of the end hole;

the chuck comprises two connecting arms arranged in parallel, and side protrusions are arranged on the opposite sides of the two connecting arms; when the clamping head is connected with the clamping groove, the connecting arm is inserted into the end hole, and the side bulge is connected with the side hole.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the extension rod is arranged between the hook rod part and the poker rod, and two ends of the extension rod are respectively provided with a clamping head and a clamping groove;

at least two extension rods are provided, and the lengths of the two extension rods are different.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the hook ring is provided with a second cylindrical mounting hole, an articulated shaft is arranged between the second cylindrical mounting hole and the operating hole, the fixed plate is connected with the articulated shaft through the articulated hole, a rotatable cylindrical nut is arranged in the second cylindrical mounting hole, the cylindrical nut is connected with an adjusting screw rod through threads, and the adjusting screw rod is rotatably connected with the fixed plate.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the fixed plate is connected with the limiting block through a cylindrical mounting hole, the adjusting screw is connected with the limiting block through a ring groove, and a rotating hand wheel is arranged at the end part of the adjusting screw.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the hook rod part is also provided with a side smoke exhaust port and a smoke exhaust channel which are mutually communicated.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the end part of the hook rod part is also provided with a joint communicated with the smoke exhaust channel, and the joint is used for communicating the negative pressure suction device.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the angle adjustment range of the hook ring relative to the hook rod part is 45-90 degrees.

Preferably, the surgical instrument for establishing a space behind a sternum of the preceding description: the diameter of the through-hole is 5 mm.

The utility model discloses the beneficial effect who reaches:

the utility model discloses a hook pole portion adopts and operates with the incision, and the xiphoid process undercut approach promptly, and is unanimous with sternum major axis direction, does not need additional little incision, and the possibility of not damaged thoracic internal artery and vein, safe tractive force is also great. The hook rod part is also provided with a smoke exhaust channel and can be connected with a negative pressure suction device, so that the problem that the surgical field is fuzzy due to the fact that smoke generated in the use process of the surgical energy platform can not be effectively exhausted is solved. The part also adopts a multi-angle adjustable design, and an operator can better master the balance of the traction force in the operation.

The utility model discloses a poker part has also effectively solved the problem that the former apparatus can't be under the direct vision safely, swiftly, get through tunnel behind the breastbone effectively, and the poker part has the through wires hole through-hole, can make things convenient for the use of guide wire and guiding tube.

The utility model discloses an extension rod can have many, and length difference, can regard as the extension of draw hook portion and logical strip portion. The group of instruments is more suitable for different individual crowds, and is convenient for operators to use.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a view showing the structure of the hook rod, the fixing plate and the hook ring of the present invention;

FIG. 5 is a view showing the structure of the hook rod, the fixing plate and the hook ring of the present invention;

FIG. 6 is a drawing of the structure of the harness cord head of the present invention;

the meaning of the reference numerals: 1-a poker head; 2-a bar-passing rod; 3-an extension rod; 4-a hook stem portion; 5, fixing a plate; 6-hook ring; 7-adjusting the screw; 8-a clamping groove; 9-clamping the head; 11-a trapezoidal head; 12-a through hole; 41-side smoke outlet; 42-smoke evacuation channels; 51-a linker; 52-hinge hole; 53-cylindrical mounting hole one; 61-operation hole; 62-a second cylindrical mounting hole; 63-articulated shaft; 64-cylindrical nuts; 71-rotating the hand wheel; 72-ring groove; 73-a limiting block; 81-side holes; 82-end holes; 91-a linker arm; 92-side projection.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 6: the present embodiment discloses a surgical instrument for establishing a space behind a sternum: comprises a poker head 1, a poker rod 2 and a hook rod part 4 which are connected in sequence. Wherein, the poker bar 2 and the hook rod part 4 are detachably connected, the end part of the poker head 1 is provided with a trapezoidal head 11 with the bottom surface inclined upwards, the trapezoidal head 11 is provided with a through hole 12 (figures 1 and 6) vertical to the surface of the poker head 1, and the diameter of the through hole 12 is preferably 5 mm. The corners of the poker head 1 are blunt arcs, are flat at the top and are arc-shaped at the bottom, are of ship type structures, are convenient for building tunnels and avoid damaging human organs.

The hook rod part 4 is provided with a fixing plate 5, the fixing plate 5 is provided with a hook ring 6, the angle of the hook ring 6 relative to the hook rod part 4 can be adjusted and can be locked at a certain fixed position, and the hook ring 6 is provided with an operation hole 61. The operation hole 61 is convenient for a user to insert a finger for operation.

The end part of the through bar rod 2 is provided with a clamping groove 8, the end part of the hook rod part 4 is provided with a clamping head 9, the clamping groove 8 comprises an end hole 82 arranged at the end part of the through bar rod 2 and a side hole 81 arranged at the side part of the through bar rod 2 and communicated with the end hole 82, the clamping head 9 comprises two connecting arms 91 arranged in parallel, and the opposite sides of the two connecting arms 91 are provided with side protrusions 92; when the chuck 9 is connected to the chuck slot 8, the connecting arm 91 is inserted into the end hole 82, and the side projection 92 is connected to the side hole 81.

The width of the side hole 81 is larger than that of the end hole 82, so that the two sides of the side hole 81 have a concave recess relative to the end hole 82, and when the chuck 9 is inserted into the chuck slot 8, the side protrusion 92 can be positioned in the concave recess.

In order to adjust the overall length of this embodiment, this embodiment still includes the extension rod 3 that sets up between hook rod portion 4, poker rod 2, and the both ends of extension rod 3 are equipped with dop 9, draw-in groove 8 respectively, are used for respectively with the dop 9 of hook rod portion 4, the draw-in groove 8 cooperation of poker rod 2, realize the extension of whole length.

The extension rod 3 of this embodiment has two at least, and two extension rod 3 length difference, when in actual use, can change as required, also can be with two extension rod 3 with last series connection installation to reach the maximum length.

The specific structure of the hook loop 6 that is angularly adjustable relative to the hook stem portion 4 and lockable in a fixed position is as follows:

the hook ring 6 is provided with a second cylindrical mounting hole 62, an articulated shaft 63 is arranged between the second cylindrical mounting hole 62 and the operation hole 61, the fixing plate 5 is connected with the articulated shaft 63 through the articulated hole 52, a rotatable cylindrical nut 64 is arranged in the second cylindrical mounting hole 62, the cylindrical nut 64 is connected with the fixing plate 5 in a rotatable mode through a thread and is connected with the adjusting screw rod 7, and the adjusting screw rod 7 is connected with the fixing plate 5 in a rotatable mode.

The fixed plate 5 is connected with the limiting block 73 through the first cylindrical mounting hole 53, the adjusting screw 7 is connected with the limiting block 73 through the annular groove 72, and the annular groove 72 is clamped inside the limiting block 73, so that the adjusting screw 7 can only rotate in the limiting block 73 and cannot move axially.

The end of the adjusting screw 7 is provided with a rotating handwheel 71. When the rotating hand wheel 71 is operated to rotate, the cylindrical nut 64 is driven in a thread transmission mode, the cylindrical nut 64 drives the hook ring 6 to rotate by taking the hinge shaft 63 as an axis, and then the rotation of the angle between the hook ring 6 and the hook rod part 4 is realized. The angle of the hook ring 6 relative to the hook rod portion 4 in this embodiment is 45-90 degrees, which is determined by the structure and relative position of the adjusting screw 7, the hook ring 6 and the fixing plate 5, and can be designed by those skilled in the art according to the prior art.

The hook rod part 4 of the present embodiment is further provided with a side smoke exhaust port 41 and a smoke exhaust channel 42 which are communicated with each other, wherein the smoke exhaust channel 42 is parallel to the hook rod part 4.

The end of the hook rod part 4 is also provided with a connector 51 communicated with the smoke exhaust channel 42, and the connector 51 is used for communicating a negative pressure suction device, such as a vacuum generating device, so that the smoke exhaust intensity is increased through the negative pressure suction device.

When in use, the smoke evacuation channel 42 can be directly opened for use. If the smoke evacuation force needs to be increased, a negative pressure suction device can be connected to the joint 51. Because the smoke exhaust pipe is arranged at the top end of the operation area, the smoke exhaust pipe can also be used as a carbon dioxide input channel, namely, a carbon dioxide blowpipe in the operation field, and the visual clarity of the operation field can be ensured, thereby improving the continuity and the fluency of the operation.

The utility model discloses a hook rod portion 4 adopts and operates with the incision, and the xiphoid process undercut approach promptly, and is unanimous with sternum major axis direction, does not need additional little incision, and the possibility of not damaged thoracic internal artery and vein, safe tractive force is also great. The hook rod part 4 is also provided with a smoke exhaust channel 42 and can be connected with a negative pressure suction device, so that the problem that the surgical field is fuzzy due to the fact that smoke generated in the use process of the surgical energy platform cannot be effectively exhausted is solved. The part also adopts a multi-angle adjustable design, and an operator can better master the balance of the traction force in the operation.

The utility model discloses a poker part has also effectively solved the problem that the former apparatus can't be opened through tunnel behind the breastbone safely, swiftly, effectively under the direct vision, and the poker part has through wires hole (through-hole 12), can make things convenient for the use of guide wire and guiding tube.

The utility model discloses an extension rod 3 can have many, and length difference, can regard as the extension of draw hook portion and logical strip portion. The group of instruments is more suitable for different individual crowds, and is convenient for operators to use.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A surgical instrument for establishing a space behind a sternum, comprising: the improved rice noodle making device comprises a rice noodle making head (1), a rice noodle making rod (2) and a hook rod part (4) which are sequentially connected, wherein the rice noodle making rod (2) and the hook rod part (4) are detachably connected, a trapezoidal head (11) with an upward-inclined bottom surface is arranged at the end part of the rice noodle making head (1), and a through hole (12) vertical to the surface of the rice noodle making head (1) is formed in the trapezoidal head (11);

hook rod portion (4) are equipped with fixed plate (5), fixed plate (5) are equipped with hook ring (6), hook ring (6) are adjustable and can be locked in a certain fixed position for the angle of hook rod portion (4), hook ring (6) are equipped with handle hole (61).

2. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: a clamping groove (8) is formed in the end portion of the through bar rod (2), a clamping head (9) is arranged at the end portion of the hook rod portion (4), the clamping groove (8) comprises an end hole (82) formed in the end portion of the through bar rod (2) and a side hole (81) formed in the side portion of the through bar rod (2) and communicated with the end hole (82), and the width of the side hole (81) is larger than that of the end hole (82);

the clamping head (9) comprises two connecting arms (91) which are arranged in parallel, and side protrusions (92) are arranged on the opposite sides of the two connecting arms (91); when the clamping head (9) is connected with the clamping groove (8), the connecting arm (91) is inserted into the end hole (82), and the side protrusion (92) is connected with the side hole (81).

3. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: the novel poker bar is characterized by further comprising an extension rod (3) arranged between the hook rod part (4) and the poker bar (2), wherein two ends of the extension rod (3) are respectively provided with a clamping head (9) and a clamping groove (8);

at least two extension rods (3) are provided, and the lengths of the two extension rods (3) are different.

4. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: hook ring (6) are equipped with cylinder mounting hole two (62), be equipped with articulated shaft (63) between cylinder mounting hole two (62), operation hole (61), fixed plate (5) are equipped with rotatable cylinder nut (64) through articulated shaft (63) connection articulated shaft (52) in cylinder mounting hole two (62), cylinder nut (64) are through threaded connection adjusting screw (7), adjusting screw (7) rotatable connection fixed plate (5).

5. A surgical instrument for use in establishing a poststernal space according to claim 4, wherein: the fixed plate (5) is connected with the limiting block (73) through the first cylindrical mounting hole (53), the adjusting screw rod (7) is connected with the limiting block (73) through the annular groove (72), and the end part of the adjusting screw rod (7) is provided with a rotating hand wheel (71).

6. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: the hook rod part (4) is also provided with a side smoke outlet (41) and a smoke exhaust channel (42) which are communicated with each other.

7. A surgical instrument for use in establishing a poststernal space according to claim 6, wherein: the end part of the hook rod part (4) is also provided with a joint (51) communicated with the smoke exhaust channel (42), and the joint (51) is used for communicating the negative pressure suction device.

8. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: the angle adjusting range of the hook ring (6) relative to the hook rod part (4) is 45-90 degrees.

9. A surgical instrument for use in establishing a poststernal space according to claim 1, wherein: the diameter of the through hole (12) is 5 mm.