Gynecological vaginal deep surgery retractor

Abstract

The invention discloses a gynecological vaginal deep surgery retractor which comprises an annular retractor disc, a plurality of retractor bodies are arranged on the annular retractor disc, the upper portion of the annular retractor disc is wide, the lower portion of the annular retractor disc is narrow, the multiple retractor bodies are distributed along the inner wall of the annular retractor disc in a circumferential array mode, and the bottom ends of the retractor bodies are traction ends. The traction end of the bottom end of the drag hook extends out of the lower part of the annular drag hook disc; limiting adjusting devices used for adjusting the positions of the drag hooks are arranged between the annular drag hook disc and the multiple drag hooks, and the positions of the drag hooks on the annular drag hook disc can be adjusted through the limiting adjusting devices. By means of the structure, the width of an operation field exposed by the drag hook can be adjusted, a good operation field is provided for medical staff in the operation process, the operation is facilitated, and the labor intensity of operation operators and assistants is relieved. By means of the structure, the position of the drag hook can be automatically adjusted without manual adjustment of workers, and operation is easy and effective.

Description

Technical Field

[0001] The invention relates to the technical field of vaginal surgical retractors, in particular to a gynecological vaginal deep surgical retractor. Background Art

[0002] With the widespread development of transvaginal gynecological surgery, it is more difficult to expose, remove, and stop bleeding of the higher fallopian tubes and ovaries under non-laparoscopic gynecology. For traditional transvaginal uterine-sacrospinous ligament fixation, transvaginal uterine iliopectine fascia fixation, vaginal-pelvic fascia key arch fixation and other surgeries, the operating space for the surgeon and assistant is limited, and the traditional Z-type retractor requires multiple assistants to assist in exposing the surgical field of view. If the operation time is long and the assistants are tired, the retractor cannot remain relatively stable and the exposure effect is poor. It is particularly important to choose an automatic retractor with good exposure effect and reduce the number of surgical assistants.

[0003] At present, there are mainly the following types of retractors for transvaginal gynecological surgery:

[0004] 1. 7-shaped retractor: This type of retractor has the following disadvantages: 1. It can still meet the surgical requirements for hysterectomy, but two assistants are required to expose the surgical field upward and downward. As the operation time increases, the assistants become fatigued, which leads to poor exposure of the surgical field. 2. As the retractor goes deeper, the vaginal side wall is blocked, resulting in poor exposure of the deep fallopian tubes and ovaries. The exposure of the sacrospinous ligament, pelvic fascia key arch, and iliopectineal fascia also has the same problems of insufficient exposure depth and assistant fatigue.

[0005] 2. Z-shaped retractors and plate-shaped retractors: Although these two types of retractors solve the problem of insufficient exposure depth, there is still the problem of assistant retractors maintaining a posture for a long time, which leads to fatigue and affects the exposure of the surgical field. Especially for pelvic floor surgeries such as uterine-sacrospinous ligament fixation, poor exposure, missing bleeding points during surgery, and postoperative pelvic hematoma, infection, etc.

[0006] In order to solve the problems of poor exposure of surgical field during use of the above-mentioned retractor and inconvenience in single-person operation, a gynecological vaginal deep surgical retractor is urgently needed to be disclosed. Summary of the invention

[0007] In order to solve the above technical problems, the technical solution provided by the present invention is: a gynecological vaginal deep surgery retractor, comprising an annular retractor plate, on which a plurality of retractors are arranged, the annular retractor plate is wide at the top and narrow at the bottom, and the plurality of retractors are distributed in a circular array along the inner wall of the annular retractor plate, the bottom end of the retractor is a traction end, and the traction end of the bottom end of the retractor extends out from below the annular retractor plate;

[0008] A position limiting adjustment device for adjusting the position of the hooks is arranged between the annular hook plate and the plurality of hooks, and the position of the hooks on the annular hook plate can be adjusted by the position limiting adjustment device.

[0009] Furthermore, the limit adjustment device is a hook handle, which is integrally formed with the hook, has a hollow groove on the hook handle, and a plurality of mounting holes on the annular hook plate, and the hook handle is fixed to the annular hook plate by passing through the hollow groove and the mounting holes with a butterfly screw in sequence.

[0010] Further, the mounting holes include a first mounting hole, a second mounting hole, a third mounting hole, a fourth mounting hole and a fifth mounting hole, the angle between the first mounting hole and the second mounting hole is 90°, the angle between the second mounting hole and the third mounting hole is 30°, the third mounting hole and the fifth mounting hole are symmetrically distributed on both sides of the fourth mounting hole, and the angle between the third limiting hole and the fourth mounting hole is 60°.

[0011] Furthermore, the hollow groove is arranged in a long strip structure.

[0012] Furthermore, the limit adjustment device includes a driving mechanism, a supporting frame, an adjusting crank, a rotating disk and a sliding device, the supporting frame is used to support and fix the driving mechanism, the central axis of the rotating disk is used to be connected to the output shaft of the driving mechanism, the top end of the adjusting crank is rotatably connected to the edge position of the rotating disk, and the bottom end thereof is used to be rotatably connected to the sliding device, a sliding groove is provided at the bottom end of the supporting frame, and the sliding device slides along the sliding groove.

[0013] The advantages of the invention compared with the prior art are:

[0014] The present invention adopts an annular retractor plate and a retractor structure, and a limit adjustment device for adjusting the position of the retractor is arranged between the annular retractor plate and multiple retractors. The multiple retractors can support the inner wall of the patient's vagina at the same time, and can effectively expose the deep surgical field of gynecological surgery, avoid the problem of the retractor penetrating too deep and the cohesive shielding of the vaginal side wall, provide medical personnel with a better surgical field during the operation, facilitate the operation, and improve the success rate during the surgical operation.

[0015] The limit adjustment device in the present invention is a hook handle, on which a hollow groove is provided, and on which a plurality of mounting holes are provided, and medical personnel can select the number of hooks and the mounting position of the hooks on the annular hook plate as needed, so as to achieve partial support or overall support of the inner wall of the patient's vagina, and the installation of the hooks is highly flexible. The relative position between the hook and the annular hook plate is adjusted by a screw, so that the tension of the hook can be adjusted by adjusting the position of the hook, and the width of the surgical field exposed by the hook can be adjusted by the above structure, and the above structure does not require the coordinated operation of multiple people, and only one person can complete the adjustment, and the operation is simple and effective.

[0016] The position limit adjustment device of the present invention includes a driving mechanism, a support frame, an adjustment crank, a rotating disk and a sliding device. The driving mechanism drives the sliding device to slide through the rotating disk and the adjustment crank, and the sliding device drives the hook to slide. The above structure can realize automatic adjustment of the hook position, and the width of the surgical field exposed by the hook can be adjusted through the above structure, providing medical staff with a better surgical field during the operation, facilitating the operation, and reducing the labor intensity of the surgical operator and assistant. The above structure can realize automatic adjustment of the hook position without manual adjustment by the staff, and the operation is simple and effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a first embodiment of a gynecological vaginal deep surgery retractor of the present invention;

[0018] Figure 2 It is an exploded schematic diagram of a first embodiment of a gynecological vaginal deep surgery retractor of the present invention;

[0019] Figure 3 This is a schematic structural diagram of an annular hook disc in an embodiment;

[0020] Figure 4 This is a structural schematic diagram of a second embodiment of a gynecological vaginal deep surgery retractor according to the present invention;

[0021] Figure 5 This is a schematic diagram of the hook distribution of the retractor used for the removal of fallopian tube and ovarian lesions in Example 1;

[0022] Figure 6 This is a schematic diagram of the distribution of retractors used in pelvic floor surgery such as transvaginal uterine-sacrospinous ligament fixation and uterine-iliopectine fascia fixation in Example 1;

[0023] Figure 7 Schematic diagram of the connection between the limit adjustment device and the draw hook in the second embodiment Figure 1 ;

[0024] Figure 8 Schematic diagram of the connection between the limit adjustment device and the draw hook in the second embodiment Figure 2 ;

[0025] Fig. 9 It is a partial schematic diagram of the connection between the limit adjustment device and the draw hook in the second embodiment;

[0026] Fig.10 This is another partial schematic diagram of the connection between the limit adjustment device and the draw hook in the second embodiment;

[0027] Fig.11 for Figure 5 A partial enlarged view of point A in the middle.

[0028] Among them, 1. annular hook plate, 2. hook, 3. traction end, 4. hook handle, 5. hollow groove, 6. mounting hole, 6-1. first mounting hole, 6-2. second mounting hole, 6-3. third mounting hole, 6-4. fourth mounting hole, 6-5. fifth mounting hole, 7. driving mechanism, 8. supporting frame, 9. adjusting crank, 10. rotating disk, 11. sliding block, 12. linkage rod, 13. driving rod, 14. adjusting hole. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0030] The present invention is described in detail with reference to the accompanying drawings.

[0031] The present invention provides a gynecological vaginal deep surgery retractor in a specific implementation, comprising an annular retractor plate 1, on which a plurality of retractors 2 are arranged, the annular retractor plate 1 is wide at the top and narrow at the bottom, and the plurality of retractors 2 are distributed in a circular array along the inner wall of the annular retractor plate 1, the bottom end of the retractor 2 is a traction end 3, and the traction end 3 at the bottom end of the retractor 2 extends out from below the annular retractor plate 1;

[0032] A position limiting adjustment device for adjusting the position of the hooks is provided between the annular hook plate 1 and the plurality of hooks 2 , and the position of the hooks 2 on the annular hook plate 1 can be adjusted by the position limiting adjustment device.

[0033] Among them, the limit adjustment device is a hook handle 4, which is integrally formed with the hook 2. A hollow groove 5 is opened on the hook handle 4, and a plurality of mounting holes 6 are arranged on the annular hook plate 1. The hook handle 4 is fixed to the annular hook plate 1 by passing through the hollow groove 5 and the mounting holes in sequence with a butterfly screw.

[0034] The mounting holes 6 include a first mounting hole 6-1, a second mounting hole 6-2, a third mounting hole 6-3, a fourth mounting hole 6-4 and a fifth mounting hole 6-5, the angle between the first mounting hole 6-1 and the second mounting hole 6-2 is 90°, the angle between the second mounting hole 6-2 and the third mounting hole 6-3 is 30°, the third mounting hole 6-3 and the fifth mounting hole 6-5 are symmetrically distributed on both sides of the fourth mounting hole 6-4, and the angle between the third mounting hole 6-3 and the fourth mounting hole 6-4 is 60°. The above different angle settings can not only select the same angle interval to install the retractor 2 and the retractor handle 4, and the same angle setting can achieve uniform support for the patient's vaginal inner wall, but also select different angles between two adjacent groups of retractors and retractor handles to achieve local support for the patient's vaginal inner wall. Medical staff can select the number of retractors and the installation position of the retractors on the annular retractor plate as needed to achieve local support or overall support for the patient's vaginal inner wall, and the retractor installation is more flexible.

[0035] Wherein, the hollow groove 5 is arranged in a long strip structure.

[0036] Embodiment 1:

[0037] In this embodiment, the annular hook disk 1 is arranged in a disc-shaped structure, and the annular hook disk 1 is wide at the top and narrow at the bottom, the hook 2 is arranged in a rectangular plate-shaped structure, and the above-mentioned hook is arranged to fit the inner wall of the annular hook disk 1, the traction end 3 is the end of the hook 2, and the traction end 3 and the hook 2 are integrally formed, the hook handle 4 is arranged in a rectangular plate-shaped structure, and the hook handle 4 and the hook 2 are integrally formed, and the angle between the two is an obtuse angle.

[0038] The hook 2 can be 2 cm wide, 10 cm long, 3 arc-shaped hooks, the hook handle is 2.0 cm wide and 5.5 cm long, the hook handle 4 forms a 5 mm wide hollow groove 5 at a distance of 2.2-5.2 cm from the hook surface, and the hook handle 4 forms an angle of 115° with the hook body 1. The above angles provide a wide field of view for the deep tensioned part, and prevent the distal end of the hook body from being squeezed and cohesive, which narrows the field of view in the deep part.

[0039] When using this embodiment, medical personnel can select the installation position of the hook 2 according to the surgical situation and the need for intraoperative visual field exposure, and install the hook 2 on the annular hook plate 1 by screws, wherein the corresponding installation hole can be selected on the annular hook plate 1 for installation, such as Figure 1As shown, the first mounting hole 6-1, the third mounting hole 6-3 and the fifth mounting hole 6-5 can be selected to install the retractor 2. After the retractor 2 is installed, the retractor 2 can be used to support the inner wall of the vagina. The deep surgical field of gynecological surgery can be effectively exposed through the stable support of the retractor 2; when it is necessary to adjust the width of the exposed surgical field formed by the support of the retractor 2, the screw on the above-mentioned female deep surgical retractor can be loosened. After the screw is loosened, the position of the retractor handle 4 on the retractor 2 on the annular retractor plate 1 can be moved. The movement of the retractor handle 4 drives the retractor 2 to move up and down to adjust the position of the retractor 2. When the retractor is pulled upward, the width of the exposed surgical field formed by the support at the bottom end of the retractor 2 increases. When the retractor 2 is pulled downward, the width of the exposed surgical field formed by the support at the bottom end of the retractor 2 decreases. When the retractor moves to the corresponding position, the retractor handle 4 is fixed to the annular retractor plate 1 by using a butterfly screw to pass through the hollow groove 5 and the mounting hole in sequence.

[0040] Among them, three groups of hooks 2 are selected and fixed to the first mounting hole 6-1, the third mounting hole 6-3 and the fifth mounting hole 6-5 respectively. The hooks are installed at the above positions to form a circular array distribution, such as Figure 5 As shown, three groups of retractors are evenly distributed on the inner wall of the annular retractor plate 1. The above structural support can meet the resection retractor requirements for fallopian tube and ovarian lesions.

[0041] Among them, three groups of hooks 2 are selected and fixed to the first mounting hole 6-1, the second mounting hole 6-2 and the fourth mounting hole 6-4 respectively. The three groups of hooks are distributed in a semicircular shape in the annular hook plate, such as Figure 6 As shown, the angles between the hooks are the same. The support structures formed by the hooks are different due to the different installation positions of the hooks, and the support structures can meet the hook requirements of pelvic floor surgeries such as transvaginal uterine-sacrospinous ligament fixation, uterine-iliopectine fascia fixation, etc.

[0042] This embodiment can realize manual adjustment of the position of the retractor, and only one person is required to operate it without the need for collaborative operation by multiple people. The width of the surgical field exposure can be adjusted according to the needs of medical staff, thus providing convenience for medical staff.

[0043] As a further explanation of this embodiment, the hook 2 is tilted inwardly, and the angle between the hook 2 and the hook handle 1 is an obtuse angle, so that the bottom traction end 3 of the hook 2 is gathered together to facilitate entering the vagina to support its inner wall.

[0044] The present invention sets a first mounting hole 6-1, a second mounting hole 6-2, a third mounting hole 6-3, a fourth mounting hole 6-4 and a fifth mounting hole 6-5 on the annular hook plate 1. Medical personnel can select the number of hooks and the installation positions of the hooks on the annular hook plate as needed to achieve local support or overall support of the patient's vaginal inner wall, and the installation of the hooks is more flexible.

[0045] As a further explanation of this embodiment, the shape of the annular hook disc 1 can be selected to be 10 cm, the inner diameter is 5 cm, the thickness is 2.5 mm, and the inward slope is 30 degrees to form an inward concave annular disc.

[0046] The angle between the first mounting hole 6-1 and the second mounting hole 6-2 is 90°, the angle between the second mounting hole 6-2 and the third mounting hole 6-3 is 30°, the third mounting hole 6-3 and the fifth mounting hole 6-5 are symmetrically distributed on both sides of the fourth mounting hole 6-4, and the angle between the third mounting hole 6-3 and the fourth mounting hole 6-4 is 60°. The angle setting of the above mounting holes is convenient for pelvic floor surgeries such as uterine-sacrospinous ligament fixation and uterine iliopectine fascia fixation.

[0047] The butterfly screw can be a butterfly screw with an outer diameter of 4 mm, and the butterfly screw with an outer diameter of 4 mm is passed through the hollow groove 5 and the mounting hole in sequence to fix the hook handle 4 on the annular hook plate 1. The hook position can be adjusted through the structure to adjust the width of the exposed surgical field.

[0048] Embodiment 2:

[0049] Among them, the limit adjustment device includes a driving mechanism 7, a supporting frame 8, an adjusting crank 9, a rotating disk 10 and a sliding device. The supporting frame 8 is used to support and fix the driving mechanism 7. The central axis of the rotating disk 10 is used to be connected to the output shaft of the driving mechanism 7. The top end of the adjusting crank 9 is rotatably connected to the edge position of the rotating disk 10, and the bottom end thereof is used to be rotatably connected to the sliding device. A sliding groove 9 is provided at the bottom end of the supporting frame 8, and the sliding device slides along the sliding groove 9.

[0050] Among them, the sliding device includes a sliding block 11 and a linkage rod 12, the linkage rod 12 is installed on the inner side of the sliding block 11, the bottom end of the adjusting crank 9 is rotatably connected to the linkage rod 12, the two side ends of the linkage rod 12 extend out of the sliding groove 9 and are connected to the sliding block 11, and the sliding block 11 is connected to a driving rod 13.

[0051] The annular hook plate 1 is provided with an adjustment hole 14, and the driving rod 13 extends into the adjustment hole 14 to connect with the hook 2. The adjustment hole 14 is a rectangular hole opened in the annular hook plate, and the driving rod 13 extends from the adjustment hole 14 to connect with the hook 2.

[0052] As a further elaboration of the present invention, the support frame 8 is detachably fixed to the outer wall of the annular hook plate 1 by screws.

[0053] When the present embodiment is in use, three groups of retractors 2 are distributed in a circular array on the inner wall of the annular retractor plate 1, and the angle between two adjacent groups of retractors 2 is 120°. When the medical staff needs to expose the surgical field, the driving motor can be started, and the driving motor drives the rotating disk 10 to start rotating, and the rotating disk 10 starts to rotate and drives the adjusting crank 9 to rotate, and the adjusting crank 9 pulls the linkage rod 12 to start sliding along the sliding groove 9 on the support frame 8, and the linkage rod 12 slides through the driving rod 13 to drive the corresponding retractor 2 to slide. Since the top end of the adjusting crank 9 is connected to the edge of the rotating disk 10, under the action of the adjusting crank 9, the sliding block 11, the linkage rod 12 and the retractor 2 realize reciprocating linear motion. When the rotating disk 10 drives the adjusting handle 9 to rotate to the bottom, the adjusting crank 9 pushes the linkage rod 12 to move to the bottom, and the linkage rod 12 drives the sliding block 11 and the retractor 2 to move to the bottom, and the width of the exposed surgical field formed by the bottom support of the retractor 2 is reduced. When the rotating disk 10 drives the adjusting handle 9 to rotate to the top, the adjusting crank 9 pushes the linkage rod 12 to move to the top, and the linkage rod 12 drives the sliding block 11 and the retractor 2 to move to the top, and the width of the exposed surgical field formed by the bottom support of the retractor 2 increases. The two sides of the bottom traction end 3 of the retractor 2 are arranged in an arc-shaped structure to avoid it causing harm to the human body during the traction support process.

[0054] As a further explanation of the present invention, the driving mechanism 7 is a driving motor. Driving the rotating disk by a driving motor is a technical means well known to those skilled in the art, and the applicant will not elaborate on it.

[0055] As a further elaboration of the present invention, the annular retractor plate 1 is made of 2.5 mm thick 316 medical stainless steel plate. The above thickness enables the retractor to have sufficient strength during the supporting process.

[0056] The above-mentioned 316 medical stainless steel plate is not only low in cost, but also easy to disinfect during use and has strong practicality.

[0057] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A gynecological vaginal deep surgery retractor, characterized by: It comprises an annular hook plate (1), on which a plurality of hooks (2) are arranged, the annular hook plate (1) is wide at the top and narrow at the bottom, the plurality of hooks (2) are distributed in a circular array along the inner wall of the annular hook plate (1), the bottom end of the hook (2) is a traction end (3), and the traction end (3) at the bottom end of the hook (2) extends out from below the annular hook plate (1); A position limiting adjustment device for adjusting the position of the hooks is provided between the annular hook plate (1) and the plurality of hooks (2); the position of the hooks (2) on the annular hook plate (1) can be adjusted by the position limiting adjustment device.

2. A gynecological vaginal deep surgery retractor according to claim 1, characterized in that: The limit adjustment device is a hook handle (4), the hook handle (4) and the hook (2) are integrally formed, a hollow groove (5) is provided on the hook handle (4), and a plurality of mounting holes (6) are provided on the annular hook plate (1), and the hook handle (4) is fixed to the annular hook plate (1) by passing a butterfly screw through the hollow groove (5) and the mounting holes in sequence.

3. A gynecological vaginal deep surgery retractor according to claim 2, characterized in that: The mounting holes (6) comprise a first mounting hole (6-1), a second mounting hole (6-2), a third mounting hole (6-3), a fourth mounting hole (6-4) and a fifth mounting hole (6-5); the angle between the first mounting hole (6-1) and the second mounting hole (6-2) is 90°; the angle between the second mounting hole (6-2) and the third mounting hole (6-3) is 30°; the third mounting hole (6-3) and the fifth mounting hole (6-5) are symmetrically distributed on both sides of the fourth mounting hole (6-4); and the angle between the third mounting hole (6-3) and the fourth mounting hole (6-4) is 60°.

4. A gynecological vaginal deep surgery retractor according to claim 2, characterized in that: The hollow groove (5) is arranged in a long strip structure.

5. The gynecological vaginal deep surgery retractor according to claim 1, characterized in that: The limit adjustment device comprises a driving mechanism (7), a supporting frame (8), an adjusting crank (9), a rotating disk (10) and a sliding device, wherein the supporting frame (8) is used to support and fix the driving mechanism (7), the central axis of the rotating disk (10) is used to be connected to the output shaft of the driving mechanism (7), the top end of the adjusting crank (9) is rotatably connected to the edge position of the rotating disk (10), and the bottom end thereof is used to be rotatably connected to the sliding device, a sliding groove (9) is provided at the bottom end of the supporting frame (8), and the sliding device slides along the sliding groove (9).

6. A gynecological vaginal deep surgery retractor according to claim 5, characterized in that: The sliding device comprises a sliding block (11) and a linkage rod (12), wherein the linkage rod (12) is installed on the inner side of the sliding block (11), the bottom end of the adjusting crank (9) is rotatably connected to the linkage rod (12), both side ends of the linkage rod (12) extend out of the sliding groove (9) and are connected to the sliding block (11), and the sliding block (11) is connected to a driving rod (13).

7. A gynecological vaginal deep surgery retractor according to claim 6, characterized in that: The annular hook plate (1) is provided with an adjustment hole (14), and the driving rod (13) extends into the adjustment hole (14) and is connected to the hook (2).

8. The gynecological vaginal deep surgery retractor according to claim 1, characterized in that: The support frame (8) is detachably mounted and fixed on the outer wall of the annular hook plate (1) by means of screws.

9. A gynecological vaginal deep surgery retractor according to any one of claims 5 to 8, characterized in that: The driving mechanism (7) is a driving motor.

10. The gynecological vaginal deep surgery retractor according to claim 1, characterized in that: The annular retractor plate (1) is made of 316 medical stainless steel plate.

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