Adjustable chest opener for thoracic surgery

By designing an adjustable chest opener for thoracic surgery, the adjustment of telescopic support frame, frame plate and chest opener assembly, combined with the use of spiral positioning rod and universal head assembly, the existing chest opener blocks the line of sight and inaccurate positioning is solved, and the precise adjustment and stable positioning of the chest opener are achieved, which improves the convenience and safety of the surgery.

CN119700216AInactive Publication Date: 2025-03-28FOURTH MILITARY MEDICAL UNIVERSITY
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Patent Information

Application Number
CN202510175626.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-03-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing chest openers can easily block the doctor's vision during use and cannot be adjusted to adapt to the chest contact position of different patients, resulting in inaccurate positioning and offset problems.

Method used

An adjustable chest opener for thoracic surgery is designed. By adjusting the telescopic support frame, frame plate and chest opener assembly, the precise adjustment of the position of the bracket is achieved, and the use of spiral positioning rod and universal head assembly is used to adapt to the needs of patients of different individuals and avoid obstructing the doctor's sight.

Benefits of technology

The precise adjustment and stable positioning of the chest opener are achieved, adapted to the chest contact position of different patients, avoiding visual obstruction and deviation problems, and improving the operation convenience and safety of the operation.

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Abstract

The invention discloses an adjustable chest opener for thoracic surgery, which is characterized in that a telescopic support frame is fixedly mounted on a moving seat, one end of a frame plate is inserted and fixed on the telescopic support frame, the other end of the frame plate is connected with the chest opener, the chest opener comprises a telescopic half frame, and a sliding groove is formed in the inner side of a front side rod of the telescopic half frame; the rear side rod is provided with a through groove corresponding to the sliding groove, one end of the left positioning rod is in sliding connection with the sliding groove, the other end of the left positioning rod penetrates through the through groove and extends outwards, one end of the right positioning rod is fixed to the end of the sliding groove, the other end of the right positioning rod penetrates through the through groove and extends outwards, and one end of the spiral positioning rod penetrates through the left positioning rod and then is inserted into the right positioning rod. The left positioning rod and the right positioning rod are each provided with two opening frames. According to the adjustable chest opener for the thoracic surgery, the position of the opening frame can be accurately adjusted, the adjustable chest opener can adapt to patients of different individuals in combination with the use of the universal head assembly, the sight of a doctor cannot be blocked during operation, and the adjustable chest opener is more convenient to use during the surgery.
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Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to an adjustable thoracotomy device for thoracic surgery. Background Art

[0002] A thoracotomy, also known as a sternal retractor or chest expander, is mainly used to expand the sternum and ribs during thoracic surgery to expose the surgical field and ensure the smooth progress of the operation. It is one of the indispensable tools in thoracic surgery and plays a vital role.

[0003] Existing thoracotomies usually consist of a fixed retractor arm, a movable retractor arm, a sliding tooth handle, an adjustment handle, and other parts. Some advanced thoracotomies are also equipped with a traction device, including a housing, a rotating shaft, a reel, a traction rope, and a traction hook. However, in actual use, the assistant may easily block the doctor's line of sight when operating the thoracotomy, and the thoracotomy cannot be adjusted in contact with the chest of different patients, and the positioning is inaccurate, which may easily cause deviation.

[0004] Therefore, it is necessary to propose an adjustable thoracotomy device for thoracic surgery to solve the above problems. Summary of the invention

[0005] Aiming at the problems that the existing chest opener is inconvenient to operate, easy to block the sight and inaccurate positioning, the present invention provides an adjustable chest opener for thoracic surgery.

[0006] The adjustable chest opener for thoracic surgery comprises: a movable seat, a telescopic support frame and a chest opener assembly, the telescopic support frame is fixedly installed on the movable seat, the chest opener assembly comprises a frame plate and a chest opener, one end of the frame plate is inserted into the telescopic support frame and fixed, and the other end of the frame plate is connected to the chest opener, the chest opener comprises a telescopic half frame, a sliding groove is arranged inside the front side rod of the telescopic half frame, a through groove corresponding to the sliding groove is arranged on the rear side rod, one end of the left positioning rod is inserted into the sliding groove and slidably connected with the sliding groove, the other end passes through the through groove and extends outwards to form a left extending end, the left extending end is provided with a threaded through hole, one end of the right positioning rod is fixed on the end portion of the sliding groove, the other end passes through the through groove and extends outwards to form a right extending end, the right extending end is provided with an anti-dropping hole at the position corresponding to the threaded through hole, one end of the spiral positioning rod passes through the threaded through hole and is inserted into the anti-dropping hole, and two opening frames are symmetrically arranged on the left positioning rod and the right positioning rod.

[0007] In a preferred embodiment of the present invention, the telescopic support frame includes a telescopic rod and a fixing frame, which is installed on the top of the telescopic rod and has two through holes horizontally formed thereon, and a fixing hole connected to the two through holes is formed on the top of the fixing frame.

[0008] Furthermore, the telescopic rod includes an outer sleeve and an inner rod with one end inserted into the outer sleeve, the fixing frame is fixedly arranged on the top of the inner rod, the bottom end of the outer sleeve is fixed on the movable seat, and an inner rod fixing hole is opened on the outer side thereof for fixing the inner rod by bolts.

[0009] Furthermore, the frame includes a flat plate and an inclined plate connected to the flat plate, the inclination of the inclined plate is 30 to 45 degrees, one end of the flat plate away from the inclined plate is connected to two plug rods, the two plug rods are respectively inserted into two through holes and fixed by bolts inserted into corresponding fixing holes, and the end of the inclined plate away from the flat plate is connected to the left side rod of the telescopic half frame.

[0010] Furthermore, a threaded positioning hole is provided at the center of the flat plate for fixing the flat plate on the operating table.

[0011] In a preferred embodiment of the present invention, the left side rod of the telescopic half frame includes a front rod end and a rear rod end, and the front rod end is inserted into the rear rod end and fixed by a bolt on the top of the rear rod end.

[0012] Furthermore, a rubber sealing ring is fixedly provided on the intersection of the right positioning rod and the through groove, and the rubber sealing ring is located in the through groove.

[0013] Furthermore, an anti-slip slider is provided on the end portion of the left positioning rod inserted into the slide groove, and a plurality of positioning holes are provided at intervals on the outer side of the front side rod for locating the position of the anti-slip slider.

[0014] Furthermore, the support frame includes a universal head assembly and a support hook, one end of the universal head assembly is fixed to the left positioning rod or the right positioning rod, and the other end is fixedly connected to the support hook.

[0015] Implementing the embodiments of the present invention has the following beneficial effects:

[0016] The adjustable thoracotomy device for thoracic surgery can accurately adjust the position of the support frame by adjusting the telescopic support frame, the frame plate and the thoracotomy device assembly, and can be adapted to different individual patients by using the universal head assembly.

[0017] The adjustable thoracotomy device for thoracic surgery is adjusted by a spiral positioning rod arranged at the rear side, which will not block the doctor's sight and is more convenient to use during surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the structure of an adjustable thoracotomy device for thoracic surgery provided by the present invention;

[0020] Figure 2 It is a schematic diagram of the connection structure between the left positioning rod and the slide slot;

[0021] Figure 3 It is a schematic diagram of the connection structure between the support frame and the left positioning rod;

[0022] In the figure: moving seat 1, fixing frame 2, outer sleeve 3, inner rod 4, inner rod fixing hole 5, through hole 6, fixing hole 7, flat plate 8, inclined plate 9, plug rod 10, left side rod 11, front side rod 12, slide groove 13, rear side rod 14, through groove 15, left positioning rod 16, threaded through hole 17, right positioning rod 18, spiral positioning rod 19, rubber sealing ring 20, anti-slip slider 21, positioning small hole 22, universal head assembly 23, support hook 24, threaded positioning hole 25. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1 , Figure 1 This is a schematic structural diagram of an adjustable thoracotomy for thoracic surgery provided by the present invention; the adjustable thoracotomy for thoracic surgery comprises: a movable seat 1, a telescopic support frame and a thoracotomy assembly.

[0025] The telescopic support frame comprises a telescopic rod and a fixing frame 2, wherein the fixing frame 2 is installed at the top end of the telescopic rod.

[0026] The telescopic rod includes an outer sleeve 3 and an inner rod 4 with one end inserted into the outer sleeve 3. The fixing frame 2 is fixedly arranged on the top of the inner rod 4. The bottom end of the outer sleeve 3 is fixed on the moving seat 1, and an inner rod fixing hole 5 is opened on the outer side thereof for fixing the inner rod 4 by bolts.

[0027] The fixing frame 2 has two through holes 6 formed in the horizontal direction, and a fixing hole 7 connected to the two through holes 6 is formed on the top of the fixing frame 2 .

[0028] The chest opener assembly comprises a frame plate and a chest opener, one end of the frame plate is inserted and fixed on the telescopic support frame, and the other end of the frame plate is connected with the chest opener.

[0029] In this embodiment, the frame includes a flat plate 8 and an inclined plate 9 connected to the flat plate 8. The inclined plate 9 preferably has an inclination of 30 to 45 degrees. The end of the flat plate 8 away from the inclined plate 9 is connected to two insertion rods 10. The two insertion rods 10 are respectively inserted into two through holes 6 and fixed by bolts inserted into corresponding fixing holes 7. The end of the inclined plate 9 away from the flat plate 8 is connected to the left side rod 11 of the telescopic half frame. For greater stability, a threaded positioning hole 25 is opened in the center of the flat plate 8 for fixing the flat plate on the side edge of the operating table.

[0030] In this embodiment, the left side bar 11 of the telescopic half frame includes a front bar end and a rear bar end, and the front bar end is inserted into the rear bar end and fixed by a bolt on the top of the rear bar end. In other words, the length of the left side bar 11 can be adjusted by adjusting the depth of the front bar end inserted into the rear bar end.

[0031] The chest opener includes a telescopic half frame, the inner side of the front side bar 12 of the telescopic half frame is provided with a slide groove 13, and the rear side bar 14 is provided with a through groove 15 corresponding to the slide groove 13. One end of the left positioning rod 16 is inserted into the slide groove 13 and slidably connected with the slide groove 13, and the other end passes through the through groove 15 and extends outward to form a left extension end, and a threaded through hole 17 is provided on the left extension end. Specifically, in order to facilitate movement and fixation, an anti-slip slider 21 is provided on the end of the left positioning rod 16 inserted into the slide groove 13, and a plurality of positioning holes 22 are spaced apart on the outer side of the front side bar 12 for positioning and fixing the position of the anti-slip slider 21 by bolts. See Figure 2 , Figure 2 It is a schematic diagram of the connection structure between the left positioning rod and the slide slot.

[0032] One end of the right positioning rod 18 is fixed to the end of the slide groove 13, and the other end thereof passes through the through groove 15 and extends outward to form a right extended end. A rubber sealing ring 20 is fixedly sleeved at the intersection of the right positioning rod 18 and the through groove 15, and the rubber sealing ring 20 is located in the through groove 15.

[0033] An anti-drop hole is provided at the position of the right extension end corresponding to the threaded through hole 17 , and one end of the spiral positioning rod 19 passes through the threaded through hole 17 and is inserted into the anti-drop hole. Two support frames are symmetrically provided on the left positioning rod 16 and the right positioning rod 18 .

[0034] Specifically, the support frame includes a universal head assembly 23 and a support hook 24. One end of the universal head assembly 23 is fixed to the left positioning rod 16 or the right positioning rod 18, and the other end is fixedly connected to the support hook 24. Figure 3 , Figure 3 It is a schematic diagram of the connection structure between the support frame and the left positioning rod.

[0035] When using this adjustable thoracotomy device for thoracic surgery, move the mobile seat to the side of the operating table and fix it. According to the height of the operating table, adjust the height of the telescopic support frame, then insert the two rods of the frame plate into the two fixing holes, insert bolts through the top through holes to fix it, and then insert the bolts into the threaded positioning holes to fix it. The inclination of the tilting plate can place the telescopic half frame above the patient's chest cavity. The rotation of the spiral positioning rod drives the left positioning rod to move, and then drives the opening frame to move, opening the patient's sternum and ribs. The direction of the support hook can be adjusted and fixed through the universal head. During the operation, the doctor stands on one side of the right support rod to perform the operation, and the assistant stands on the side of the left support rod to operate the spiral positioning rod without affecting the doctor's line of sight.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable thoracotomy device for thoracic surgery, characterized in that: include: The cam is fixedly mounted on the movable seat, and one end of the cam is inserted into the movable seat and fixedly mounted on the movable seat. The cam is fixedly mounted on the movable seat, and the cam is connected to the cam by one end of the cam. The cam comprises a frame plate and a cam. The frame plate has one end inserted into the telescopic support frame and fixedly mounted on the telescopic support frame, and the other end of the cam is connected to the cam. The cam comprises a telescopic half frame, a slide slot is arranged inside the front side rod of the telescopic half frame, and a through slot corresponding to the slide slot is arranged on the rear side rod. One end of the left positioning rod is inserted into the slide slot and slidably connected to the slide slot, and the other end passes through the through slot and extends outwards to form a left extending end. The left extending end is provided with a threaded through hole, and one end of the right positioning rod is fixed on the end portion of the slide slot, and the other end passes through the through slot and extends outwards to form a right extending end. The right extending end is provided with an anti-drop hole at the position corresponding to the threaded through hole, and one end of the spiral positioning rod passes through the threaded through hole and is inserted into the anti-drop hole, and two support frames are symmetrically arranged on the left positioning rod and the right positioning rod.

2. The adjustable thoracotomy device for thoracic surgery according to claim 1, characterized in that: The telescopic support frame comprises a telescopic rod and a fixing frame, wherein the fixing frame is installed at the top end of the telescopic rod, has two through holes horizontally formed thereon, and has a fixing hole at the top thereof which is respectively connected with the two through holes.

3. The adjustable thoracotomy device for thoracic surgery according to claim 2, characterized in that: The telescopic rod includes an outer sleeve and an inner rod with one end inserted into the outer sleeve. The fixing frame is fixedly arranged on the top end of the inner rod. The bottom end of the outer sleeve is fixed on the movable seat. An inner rod fixing hole is opened on the outer side thereof for fixing the inner rod by bolts.

4. The adjustable thoracotomy device for thoracic surgery according to claim 3, characterized in that: The frame plate includes a flat plate and an inclined plate connected to the flat plate, the inclination of the inclined plate is 30 to 45 degrees, one end of the flat plate away from the inclined plate is connected to two insertion rods, the two insertion rods are respectively inserted into the two through holes and fixed by bolts inserted into the corresponding fixing holes, and one end of the inclined plate away from the flat plate is connected to the left side rod of the telescopic half frame.

5. The adjustable thoracotomy device for thoracic surgery according to claim 4, characterized in that: A threaded positioning hole is provided at the center of the flat plate for fixing the flat plate on the operating table.

6. The adjustable thoracotomy device for thoracic surgery according to claim 1, characterized in that: The left side rod of the telescopic half frame includes a front rod end and a rear rod end, wherein the front rod end is inserted into the rear rod end and fixed by a bolt on the top of the rear rod end.

7. The adjustable thoracotomy device for thoracic surgery according to claim 6, characterized in that: A rubber sealing ring is fixedly sleeved at the intersection of the right positioning rod and the through slot, and the rubber sealing ring is located in the through slot.

8. The adjustable thoracotomy device for thoracic surgery according to claim 7, characterized in that: An anti-slipping slider is arranged on one end of the left positioning rod inserted into the slide groove, and a plurality of positioning holes are arranged at intervals on the outer side of the front side rod for locating the position of the anti-slipping slider.

9. The adjustable thoracotomy device for thoracic surgery according to claim 8, characterized in that: The support frame comprises a universal head assembly and a support hook. One end of the universal head assembly is fixed on the left positioning rod or the right positioning rod, and the other end is fixedly connected to the support hook.

Citation Information

Patent Citations

  • Special thoracotomy auxiliary device for clinical operation of thoracic surgery department

    CN115670546A

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    CN204600561U

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