Highly-simulated transvaginal endoscopic surgery training model

Abstract

The invention discloses a highly-simulated transvaginal endoscopic surgery training model, which comprises a model body, the model body is a model from the waist and abdomen of a human body to the thigh root, a simulated vaginal orifice is arranged outside the model body, a simulated pelvic cavity is arranged in the model body, a cover plate is detachably arranged on the model body, and the cover plate is used for opening the model body. A vagina model and a uterus model are arranged in the simulated pelvic abdominal cavity and are mounted according to a human body structure, the uterus model comprises a uterine orifice section, the vagina model comprises a vagina section and a dome section which are detachably connected with each other, and a ferrule is arranged at one end, far away from the vagina section, of the dome section; the sleeve ring is used for sleeving the uterine orifice section and moving in the length direction of the uterine orifice section, a training module is arranged in the simulated pelvic abdominal cavity, the requirements of the transvaginal laparoscopic surgery are met through the arrangement of the cover plate and the dome section, the defect that traditional training equipment is too large in loss is overcome, and meanwhile targeted training of the surgery is achieved through the arrangement of the sleeve ring.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more specifically, to a highly simulated training model for transvaginal laparoscopic surgery. Background Art

[0002] Transvaginal pelvic laparoscopic surgery refers to a surgery that enters the pelvic cavity through the vaginal fornix to complete the operation. Compared with traditional pelvic laparoscopic surgery, it can effectively reduce the pain of patients and avoid leaving knife scars on the abdomen, and has become a new trend in the development of minimally invasive surgery.

[0003] As a new type of minimally invasive surgical method, traditional surgical training models lack the ability to specifically train for it. At the same time, in traditional surgical training models, the vaginal model and the uterine model are mostly integrally connected. Therefore, it is difficult to achieve the effect of repeated practice for transvaginal pelvic laparoscopic surgery, and the practicability is poor. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention can replace the fornix section after a single training by setting a cover plate and a detachable fornix section, so as to achieve the effect of repeated practice. At the same time, by setting a ferrule and moving the ferrule, the change of the fornix position of different human bodies can be realized, so as to achieve a differential training effect.

[0005] To achieve the above object, the present invention provides the following technical solution: A highly simulated training model for transvaginal laparoscopic surgery, including a model body, the model body is a model of the human waist and abdomen to the root of the thigh, a simulated vaginal orifice is provided outside the model body, a simulated pelvic cavity is provided inside the model body, a cover plate is detachably provided on the model body, the cover plate is used to open the model body, a vaginal model and a uterine model are provided in the simulated pelvic cavity, the vaginal model and the uterine model are installed according to the human body structure, the uterine model includes a uterine orifice section, the vaginal model includes a vaginal section and a fornix section that are detachably connected to each other, a ferrule is provided at one end of the fornix section away from the vaginal section, the ferrule is used to sleeved the uterine orifice section and move along the length direction of the uterine orifice section, and a training module is provided in the simulated pelvic cavity.

[0006] As a further improvement of the present invention, a connection component is provided on the outer wall of the uterine orifice corresponding to the uterine model, and the connection component is used to connect the ferrule and drive the ferrule to move along the outer wall of the uterine orifice.

[0007] As a further improvement of the present invention, the outer wall of the cervical segment is provided with a mounting groove along the length direction, and the connecting assembly includes a guide rail and a connecting block arranged in the mounting groove, one end of the connecting block is slidably connected to the guide rail, and the other end is symmetrically provided with two elastic clamping arms, and a clamping gap is formed between the two elastic clamping arms, and the clamping gap is used for clamping a ring, the guide rail is provided with a through hole along the length direction, and one side of the guide rail is provided with a through groove connected to the through hole, a spring is provided in the through hole, and the connecting block is provided with an extension portion corresponding to the through hole, one end of the spring is connected to the extension portion, and the other end is connected to the inner wall of the mounting groove, and the spring is used to drive the connecting block to move in the direction of the vaginal model, and the connecting assembly also includes a rope body and a control knob, and the control knob is installed on the cover plate, one end of the rope body is connected to the connecting block, and the other end passes through the end of the guide rail, and the control knob is used to wind the rope body and drive the connecting block to move away from the vaginal model through the rope body.

[0008] As a further improvement of the present invention, an annular connecting strip is provided at one end of the vaginal segment close to the dome segment, a groove is provided on the inner side of the connecting strip, an annular clamping groove is provided at one end of the dome segment corresponding to the connecting strip, the annular clamping groove is used to clamp the connecting strip, a capsule body is provided corresponding to the groove of the annular clamping groove, a resistance portion is provided on the inner wall of the capsule body corresponding to the connecting strip, an injection hole connected to the capsule body is provided on the outside of the dome segment, simulated blood is injected into the capsule body through the injection hole, and the capsule body is clamped with the groove after being expanded, and the resistance portion resists the connecting strip.

[0009] As a further improvement of the present invention, the training module includes a tumor module, which includes a base, an inflatable ball and a simulated epidermis, the simulated epidermis wraps the inflatable ball and is connected to the base, and the bottom surface of the base forms an adsorption surface and is adsorbed on the simulated pelvic and abdominal cavity surface.

[0010] As a further improvement of the present invention, the ferrule is an elastic member, and the cervix section is provided with a plurality of annular grooves arranged along the length direction, and the plurality of annular grooves are used for clamping the ferrule.

[0011] As a further improvement of the present invention, the simulated pelvic and abdominal cavity inner wall is attached with simulated endothelium, a plurality of extrusion bladders are arranged between the simulated endothelium and the simulated pelvic and abdominal cavity inner wall, an inflation port connected to the extrusion bladder is arranged outside the model body, and the extrusion bladder is used to prop up the simulated endothelium.

[0012] As a further improvement of the present invention, a guide line is provided on the dome segment, and the guide line is used to mark the incision area.

[0013] Beneficial effects of the present invention:

[0014] 1. The setting of the cover plate and the dome segment meets the needs of vaginal laparoscopic surgery, avoiding the defect of excessive loss of traditional training equipment. At the same time, the setting of the ring realizes targeted training of surgical techniques;

[0015] 2. The setting of the fixed capsule and the abutment part can strengthen the fixation and remind the operator at the same time;

[0016] 3. The position of the loop can be adjusted during the operation through the setting of the connection component, making the operator's observation more intuitive. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of the first embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of simulating the pelvic and abdominal cavity according to the first embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the connection between the vault segment and the uterine os segment in the first embodiment of the present invention;

[0020] Figure 4 It is a cross-sectional schematic diagram of the connection between the vault segment and the vaginal segment according to the first embodiment of the present invention;

[0021] Figure 5 It is a cross-sectional schematic diagram of the connection between the vault segment and the uterine os segment according to the first embodiment of the present invention;

[0022] Figure 6 This is a cross-sectional schematic diagram of a tumor module according to the first embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of a knotting module according to a first embodiment of the present invention;

[0024] Figure 8 This is a schematic diagram of the installation of the extrusion bladder according to the first embodiment of the present invention;

[0025] Figure 9 This is a schematic diagram of the connection between the vault segment and the uterine os segment according to the second embodiment of the present invention;

[0026] Figure 10 It is a cross-sectional schematic diagram of the connection between the vault segment and the uterine os segment according to the second embodiment of the present invention;

[0027] Figure 11 This is a schematic diagram of a control knob according to a second embodiment of the present invention;

[0028] Figure 12 This is a schematic diagram of the installation of the clamping plate according to the second embodiment of the present invention.

[0029] Reference numerals: 1, model body; 2, simulated vaginal orifice; 3, simulated pelvic and abdominal cavity; 4, cover plate; 5, vaginal model; 6, uterine model; 7, uterine orifice segment; 8, vaginal segment; 9, fornix segment; 10, ferrule; 11, training module; 12, connecting component; 13, installation groove; 14, guide rail; 15, connecting block; 16, elastic clamping arm; 17, clamping gap; 18, through hole; 19, through slot; 20, spring; 21, extension part; 22, rope body; 23, control knob; 24, connecting bar; 25, annular clamping groove; 26, groove; 27, fixed bladder; 28, abutting part; 29, liquid injection hole; 30, tumor module; 31, base; 32, inflation balloon; 33, outer epidermis; 34, annular groove; 35, simulated endothelium; 36, extrusion bladder; 37, guide wire; 38, knotting module; 39, mounting plate; 40, knotting post; 41, clamping plate; 42, insertion rod. Detailed implementation manners

[0030] The present invention will be further described in detail below in conjunction with the drawings and embodiments. The same components are denoted by the same reference numerals.

[0031] Figures 1-8 This is the first embodiment of the present invention. A highly simulated training model for transvaginal laparoscopic surgery includes a model body 1. The model body 1 is a model of the human waist and abdomen to the root of the thigh. A simulated vaginal orifice 2 is provided outside the model body 1, and a simulated pelvic and abdominal cavity 3 is provided inside the model body 1. A cover plate 4 is detachably provided on the model body 1. In this embodiment, one end of the cover plate 4 is provided with an insertion rod 42, and the model body 1 is provided with a jack corresponding to the insertion rod 42. The insertion rod 42 is inserted into the jack to achieve connection. While achieving detachable connection through the insertion rod 42 and the jack, the cover plate 4 can be rotated, so as to facilitate adjustment of different use states. The cover plate 4 is used to open the model body 1. A vaginal model 5 and a uterine model 6 are provided in the simulated pelvic and abdominal cavity 3. Both the vaginal model 5 and the uterine model 6 are made of elastic silicone material. The vaginal model 5 and the uterine model 6 are installed according to the human body structure. The uterine model 6 includes a uterine orifice segment 7, and the vaginal model 5 includes a detachable vaginal segment 8 and a fornix segment 9. A ferrule 10 is provided at one end of the fornix segment 9 away from the vaginal segment 8. The ferrule 10 is used to sleeved on the uterine orifice segment 7 and move along the length direction of the uterine orifice segment 7. A training module 11 is provided in the simulated pelvic and abdominal cavity 3.

[0032] Through the setting of the cover plate 4, the simulated pelvic and abdominal cavity 3 can be exposed, so as to adjust the position of the ferrule 10. At the same time, when the training module 11 is located at the bottom of the simulated pelvic and abdominal cavity 3, opening the cover plate 4 can more intuitively observe the operation of the operator. When a training is completed, the fornix segment 9 is disassembled to meet the need for multiple trainings.

[0033] Preferably, the ring 10 is an elastic member, and the cervical section 7 is provided with a plurality of annular grooves 34 arranged along the length direction. The plurality of annular grooves 34 are used to clamp the ring 10 , thereby realizing the adjustment of the position of the ring 10 .

[0034] Preferably, an annular connecting strip 24 is provided at one end of the vaginal segment 8 close to the dome segment 9. In this embodiment, the connecting strip 24 is an elastic body, and a groove 26 is provided on the inner side of the connecting strip 24. An annular groove 25 is provided at one end of the dome segment 9 corresponding to the connecting strip 24. The annular groove 25 is used to clamp the connecting strip 24. A fixed capsule 27 is provided at the annular groove 25 corresponding to the groove 26. The fixed capsule 27 is provided with a resistance portion 28 corresponding to the inner wall of the connecting strip 24. An injection hole 29 connected to the fixed capsule 27 is provided on the outside of the dome segment 9. The fixed capsule 27 is injected with simulated blood through the injection hole. After the fixed capsule 27 is expanded, It is engaged with the groove 26, and the abutment 28 abuts against the connecting strip 24. When in use, the connecting strip 24 is inserted into the annular groove 25 to achieve a preliminary connection, and liquid is injected into the fixed capsule 27 through the injection hole 29. After the fixed capsule 27 is expanded, it is engaged with the groove 26, and at the same time, the abutment 28 abuts against the connecting strip 24 to achieve secondary fixation of the connecting strip 24, thereby improving the stability of the connection and avoiding the defect of the connecting strip 24 being easy to fall off due to short circuit. At the same time, the setting of the abutment 28 can make it possible for simulated blood to flow out when the operator's incision is misplaced to achieve the purpose of prompting the operator.

[0035] Preferably, the training module 11 includes a knotting module 38 and a tumor module 30, the knotting module 38 includes a mounting plate 39 and a plurality of knotting columns 40 arranged on the mounting plate, the tumor module 30 includes a base 31, an inflatable ball 32 and an outer skin 33, the outer skin 33 wraps the inflatable ball 32 and is connected to the base 31, the bottom surface of the base 31 forms an adsorption surface and is adsorbed on the surface of the simulated pelvic and abdominal cavity 3, the outer skin 33 can highly simulate the tumor condition, which is convenient for the operator to train cutting skills, and the inflatable ball 32 can adjust the size of the ball by inflation, thereby realizing the simulation of tumors of different sizes.

[0036] Preferably, a simulated endothelium 35 is attached to the inner wall of the simulated pelvic and abdominal cavity 3, and a plurality of extrusion bladders 36 are arranged between the simulated endothelium 35 and the inner wall of the simulated pelvic and abdominal cavity 3. An inflation port connected to the extrusion bladder 36 is arranged on the outside of the model body 1, and the extrusion bladder 36 is used to prop up the simulated endothelium 35. When in use, air is inflated into the extrusion bladder 36 through the inflation port, so that the extrusion bladder 36 props up the simulated endothelium 35, thereby simulating different pelvic and abdominal cavity conditions. At the same time, the inflated extrusion bladder 36 can be used as a simulated tumor for the operator to practice tumor resection.

[0037] Preferably, a guide line 37 is provided on the dome segment 9, and the guide line 37 is used to mark the incision area.

[0038] Figures 9-12This is the second embodiment of the present invention. It is different from the first embodiment in that a connecting component 12 is provided on the outer wall of the cervical segment 7. The connecting component 12 is used to connect the ring 10 and drive the ring 10 to move along the outer wall of the cervical segment 7. The setting of the connecting component 12 can realize the replacement of the position of the ring 10 during the operation, so that the operator can understand the different dome positions more intuitively and further improve the simulation training effect.

[0039] Preferably, the outer wall of the uterine mouth section 7 is provided with a mounting groove 13 along the length direction. In the present embodiment, the number of the mounting grooves 13 is 2 and they are symmetrically arranged on both sides of the outer wall of the uterine mouth section 7. The connecting assembly 12 includes a guide rail 14 and a connecting block 15 arranged in the mounting groove 13. One end of the connecting block 15 is slidably connected to the guide rail 14, and the other end is symmetrically provided with two elastic clamping arms 16. A clamping gap 17 is formed between the two elastic clamping arms 16. The clamping gap 17 is used to clamp the ring 10. The guide rail 14 is provided with a through hole 18 along the length direction. A through groove 19 connected to the through hole 18 is provided on one side of the guide rail 14. A spring 20 is provided in the through hole 18. The connecting block 15 is provided with an extension portion 21 corresponding to the through hole 18. One end of the spring 20 is connected to the extension portion 21, and the other end is connected to the mounting groove 18. The inner wall of the groove 13 is connected, and the spring 20 is used to drive the connecting block 15 to move toward the vaginal model 5. The connecting component 12 also includes a rope body 22 and a control knob 23. The control knob 23 is mounted on the cover plate 4. One end of the rope body 22 is connected to the connecting block 15, and the other end passes through the end of the guide rail 14. The control knob 23 is used to wind one end of the rope body 22 and drive the connecting block 15 to move away from the vaginal model 5 through the rope body 22. When in use, the ring 10 is fixed by two elastic clamping arms 16, and one end of the rope body 22 is further wound around the control knob 23. The control knob 23 is further rotated to drive the connecting block 15 to move, thereby adjusting the position of the ring 10. At the same time, the spring 20 is compressed to achieve return to its original position after the operation is completed.

[0040] Preferably, the lower end of the control knob 23 is hinged with a clamp 41 through a torsion spring, and the upper end of the clamp 41 is hinged to the control knob 23 and is used to cooperate with the control knob 23 and clamp one end of the rope body 22. When in use, the clamp is manually opened and one end of the rope body 22 is placed between the clamp 41 and the control knob 23. After the clamping of the clamp 41 is completed, the control knob 23 is rotated to wind the rope body 22 around the lower end of the control knob 23.

[0041] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A highly simulated training model for transvaginal endoscopic surgery, characterized in that: It includes a model body (1), the model body (1) is a model of the human waist and abdomen to the root of the thigh, a simulated vaginal orifice (2) is provided outside the model body (1), a simulated pelvic cavity (3) is provided inside the model body (1), a cover plate (4) is detachably provided on the model body (1), the cover plate (4) is used to open the model body (1), a vaginal model (5) and a uterine model (6) are provided inside the simulated pelvic cavity (3), the vaginal model (5) and the uterine model (6) are installed according to the human body structure, the uterine model (6) includes a uterine orifice section (7), the vaginal model (5) includes a vaginal section (8) and a fornix section (9) that are detachably connected to each other, a ferrule (10) is provided at one end of the fornix section (9) away from the vaginal section (8), the ferrule (10) is used to sleeved the uterine orifice section (7) and move along the length direction of the uterine orifice section (7), and a training module (11) is provided inside the simulated pelvic cavity (3).

2. The highly simulated training model for transvaginal endoscopic surgery according to claim 1, wherein: A connecting component (12) is provided on the outer wall of the uterine orifice section (7), and the connecting component (12) is used to connect the ferrule (10) and drive the ferrule (10) to move along the outer wall of the uterine orifice section (7).

3. The highly simulated transvaginal endoscopic surgery training model according to claim 2, characterized in that: An installation groove (13) is provided on the outer wall of the uterine orifice section (7) along the length direction, the connecting component (12) includes a guide rail (14) and a connecting block (15) provided in the installation groove (13), one end of the connecting block (15) is slidably connected to the guide rail (14), and two elastic clamping arms (16) are symmetrically provided at the other end, a clamping gap (17) is formed between the two elastic clamping arms (16), the clamping gap (17) is used to clamp the ferrule (10), a through hole (18) is provided in the guide rail (14) along the length direction, a through groove (19) communicated with the through hole (18) is provided on one side of the guide rail (14), a spring (20) is provided in the through hole (18), an extension part (21) corresponding to the through hole (18) is provided on the connecting block (15), one end of the spring (20) is connected to the extension part (21), and the other end is connected to the inner wall of the installation groove (13), the spring (20) is used to drive the connecting block (15) to move towards the vaginal model (5), the connecting component (12) further includes a rope body (22) and a control knob (23), the control knob (23) is installed on the cover plate (4), one end of the rope body (22) is connected to the connecting block (15), and the other end passes through the end of the guide rail (14), and the control knob (23) is used to wind one end of the rope body (22) and drive the connecting block (15) to move away from the vaginal model (5) through the rope body (22).

4. A highly simulated training model for transvaginal endoscopic surgery according to claim 1, characterized in that: An annular connecting strip (24) is provided at one end of the vaginal section (8) close to the dome section (9), a groove (26) is provided on the inner side of the connecting strip (24), an annular clamping groove (25) is provided at one end of the dome section (9) corresponding to the connecting strip (24), the annular clamping groove (25) is used for clamping the connecting strip (24), a fixing capsule (27) is provided at the annular clamping groove (25) corresponding to the groove (26), the fixing capsule (27) is provided with a contact portion (28) corresponding to the inner wall of the connecting strip (24), an injection hole (29) connected to the fixing capsule (27) is provided on the outside of the dome section (9), simulated blood is injected into the fixing capsule (27) through the injection hole, the fixing capsule (27) is clamped with the groove (26) after being expanded, and the contact portion (28) contacts the connecting strip (24).

5. A highly simulated training model for transvaginal endoscopic surgery according to claim 1, characterized in that: The training module (11) includes a tumor module (30), and the tumor module (30) includes a base (31), an inflatable ball (32) and an outer skin (33), wherein the outer skin (33) wraps the inflatable ball (32) and is connected to the base (31), and the bottom surface of the base (31) forms an adsorption surface and is adsorbed on the surface of the simulated pelvic and abdominal cavity (3).

6. The highly simulated training model for transvaginal endoscopic surgery according to claim 1, wherein: The ferrule (10) is an elastic member, and the uterine mouth section (7) is provided with a plurality of annular grooves (34) arranged along the length direction, and the plurality of annular grooves (34) are used for clamping the ferrule (10).

7. A highly realistic training model for transvaginal laparoscopic surgery according to claim 1, characterized in that: The simulated pelvic and abdominal cavity (3) has a simulated endothelium (35) attached to its inner wall, a plurality of extrusion bladders (36) are arranged between the simulated endothelium (35) and the inner wall of the simulated pelvic and abdominal cavity (3), and an inflation port connected to the extrusion bladders (36) is arranged on the outside of the model body (1), and the extrusion bladders (36) are used to prop up the simulated endothelium (35).

8. A highly realistic training model for transvaginal endoscopic surgery according to claim 1, characterized in that: A guide line (37) is provided on the dome section (9), and the guide line (37) is used to mark the incision area.

Images