CN212593550U - Gynaecology closely adorns source applicator after with adjustable oval body - Google Patents
Gynaecology closely adorns source applicator after with adjustable oval body Download PDFInfo
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- CN212593550U CN212593550U CN202021823310.0U CN202021823310U CN212593550U CN 212593550 U CN212593550 U CN 212593550U CN 202021823310 U CN202021823310 U CN 202021823310U CN 212593550 U CN212593550 U CN 212593550U
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Abstract
An oval body adjustable gynecological near-distance afterloading source applicator solves the problems that in the prior art, cervical cancer patients who cannot adapt to various vaginal environments easily cause errors of radiotherapy dosage, and tumor control failure and side effects are aggravated. Including the intermediate junction frame that constitutes by the link main part, its characterized in that: a source applicator bent pipe is inserted and arranged in the bent pipe mounting hole at the upper end of the middle connecting frame; the oval left hemisphere and the oval right hemisphere which are symmetrically arranged on two sides of the middle connecting frame respectively are both formed by hemispherical shells, and one opposite sides of the two hemispherical shells are respectively provided with an inwards concave cavity; the oval body left hemisphere and the oval body right hemisphere are connected with the middle connecting frame through the oval body adjusting mechanism. The cervical cancer radiotherapy device is reasonable in design, compact in structure, simple and convenient to operate, capable of meeting treatment requirements of middle and late cervical cancer radiotherapy patients of different types, capable of effectively improving radiotherapy quality, free of trauma, small in side effect after treatment, economical and practical, and good in patient medical compliance.
Description
Technical Field
The utility model belongs to the technical field of tumor radiotherapy utensil, concretely relates to can satisfy the treatment needs of the middle and late stage cervical carcinoma radiotherapy patient of different grade type, easy and simple to handle, can effectively improve the radiotherapy quality, noninvasive nature, side reaction after the treatment is little, economical and practical, patient medical science follow nature good ovate adjustable gynaecology back dress source applicator closely.
Background
With the development of tumor radiotherapy technology, the brachytherapy is beginning to be widely applied to the treatment of malignant tumors. Especially for some cervical cancer patients in middle and late stages who cannot be treated by operation, radiotherapy is one of the most effective treatment methods, and the close-range after-loading radiotherapy plays a significant role in the whole treatment process. The existing ovoid applicator has the following disadvantages in clinical use: the types of the oval bodies are too few to adapt to cervical cancer patients in various vaginal environments; when the applicator is implanted, the phenomenon that the front end of the oval body is not tightly attached to the cervical dome of a patient often occurs, the displacement of the oval body is large, the radiation therapy dosage error is large, and even the condition that the tumor control fails or the side reaction is aggravated is caused. There is a need for an improvement in the prior art gynecological brachytherapy device.
SUMMERY OF THE UTILITY MODEL
The utility model discloses just to above-mentioned problem, provide a can satisfy the treatment needs of the middle and late stage cervical carcinoma radiotherapy patient of different grade type, easy and simple to handle, can effectively improve the radiotherapy quality, non-invasive nature, the side reaction after the treatment is little, economical and practical, patient medical science follow nature good adjustable gynaecology closely back loading source ware.
The utility model adopts the technical proposal that: this gynaecology closely adorns source ware after with adjustable oval body includes middle link, its characterized in that: the middle connecting frame is composed of a connecting frame main body, the upper end of the connecting frame main body is provided with a bent pipe mounting hole, and a source applicator bent pipe is inserted in the bent pipe mounting hole; the two sides of the middle connecting frame are symmetrically provided with an oval left hemisphere and an oval right hemisphere respectively, the oval left hemisphere and the oval right hemisphere have the same structure and are both formed by hemispherical shells, and one sides of the two hemispherical shells, which are opposite, are provided with concave cavities respectively; the oval body left hemisphere and the oval body right hemisphere are connected with the middle connecting frame through the oval body adjusting mechanism, and the oval body left hemisphere and the oval body right hemisphere form an adjustable oval sphere in a combined mode.
The oval body adjusting mechanism comprises an opening and closing driving gear, an oval body adjusting rotating rod is fixedly arranged in the middle of the opening and closing driving gear, and the oval body adjusting rotating rod is rotatably arranged in an adjusting rotating rod mounting through hole in the middle of the connecting frame main body of the middle connecting frame; an opening and closing driven rack II and an opening and closing driven rack I which are arranged in parallel are respectively arranged above and below the opening and closing driving gear, the upper side of the opening and closing driven rack I is meshed with the opening and closing driving gear, and one end of the opening and closing driven rack I is connected with the oval left hemisphere; the lower side of the opening and closing driven rack II is meshed with the opening and closing driving gear, and one end of the opening and closing driven rack II is connected with the right hemisphere of the oval body. The opening and closing driven rack I and the opening and closing driven rack II which are meshed with the opening and closing driving gear are driven to move towards opposite directions respectively through the opening and closing driving gear, and then the oval body left hemisphere and the oval body right hemisphere on two sides of the middle connecting frame are driven to be opened or closed.
Rack guide gears are respectively arranged on the lower side of the opening and closing driven rack I and the upper side of the opening and closing driven rack II, and guide gear rotating shafts in the middle of the rack guide gears are respectively in rotating connection with wheel shaft mounting holes in a connecting frame main body of the middle connecting frame; and the lower side of the opening and closing driven rack I and the upper side of the opening and closing driven rack II are respectively meshed with the corresponding rack guide gears. The linear movement of the opening and closing driven rack is effectively guided by utilizing the rack guide gear on the lower side of the opening and closing driven rack I and the upper side of the opening and closing driven rack II, and the stability of the reciprocating motion of the opening and closing driven rack I and the opening and closing driven rack II is ensured.
And one end of the opening and closing driven rack I, which is not connected with the oval body left hemisphere, and one end of the opening and closing driven rack II, which is not connected with the oval body right hemisphere, are respectively provided with a rack limit stop. The movable position of the opening and closing driven rack I and the movable position of the opening and closing driven rack II are limited through the rack limit stop, and the use reliability of the device is improved.
A driving gear lock is arranged at the side part of the opening and closing driving gear in the middle of the middle connecting frame, the driving gear lock is composed of a gear lock body, and locking teeth are arranged on one side, which is in contact with the opening and closing driving gear, of the gear lock body; the gear lock main body is also provided with a gear lock driving rod extending towards the rear side, the gear lock driving rod comprises a connecting bent rod connected with the gear lock main body, and the end part of the connecting bent rod is provided with a locking driving straight rod; and the connecting bent rod of the gear lock driving rod is movably arranged in the driving rod guide groove at the side part of the connecting frame main body of the middle connecting frame. The gear lock main body of the driving gear lock is driven to be close to or separated from the opening and closing driving gear by utilizing the operation of the gear lock driving rod, and then the opening and closing driving gear is locked and released.
The rear side of the connecting frame main body of the middle connecting frame and the position corresponding to the gear lock driving rod of the driving gear lock are provided with gear lock rod inner hooks, and the gear lock rod inner hooks are connected with the middle connecting frame through hook rotating shafts. When the oval left hemisphere and the oval right hemisphere are in an opening state, the locking position of the gear lock driving rod of the driving gear lock is clamped and fixed by the clamping hook in the gear lock rod, and the use reliability of the device is further improved.
And a gear lock rod outer clamping hook is arranged at a position, corresponding to a gear lock driving rod of the driving gear lock, on the oval body left hemisphere or the oval body right hemisphere, and is connected with the rear side of the oval body left hemisphere or the oval body right hemisphere through a clamping hook rotating shaft. When the oval body left hemisphere and the oval body right hemisphere are in a closed state, the gear lock rod outer hook is used for clamping and fixing the position of a gear lock driving rod of the driving gear lock.
The oval body adjusting rotating rod is composed of an adjusting rotating rod main body, and the middle part of the adjusting rotating rod main body is connected with the opening and closing driving gear through a connecting key arranged in the gear connecting key groove; and one end of the adjusting rotating rod main body facing to the vaginal opening is provided with a rotating rod driving part. The oval body is driven by the rotating rod driving part to adjust the rotating rod to rotate, and then the opening and closing driving gear on the adjusting rotating rod main body is driven to rotate.
The rear end of a rotating rod driving part of the oval body adjusting rotating rod is detachably provided with a rotating rod rotating inserted rod; the rotating rod rotating insertion rod is composed of a rotating insertion rod main body, a rotating rod insertion part is arranged at the front end of the rotating insertion rod main body, and a rotating handle is arranged at the rear end of the rotating insertion rod main body. So that the rotating rod inserting part at the front end of the rotating rod rotating inserting rod is matched and connected with the rotating rod driving part at the rear end of the oval body adjusting rotating rod, and the rotating rod rotating inserting rod is utilized to drive the oval body adjusting rotating rod to rotate.
The front end of the rotating inserted bar main body of the rotating inserted bar is also provided with an auxiliary shifting part. The auxiliary shifting part at the front end of the inserted rod is rotated through the rotating rod, and the auxiliary shifting is carried out on the inner hook of the gear lock rod, the outer hook of the gear lock rod and the gear lock driving rod, so that the operation of the device is facilitated.
The utility model has the advantages that: because the utility model adopts the middle connecting frame composed of the connecting frame main body, the upper end of the connecting frame main body is provided with a bent pipe mounting hole, and the bent pipe of the energy applicator is inserted and arranged in the bent pipe mounting hole; the two sides of the middle connecting frame are symmetrically provided with an oval left hemisphere and an oval right hemisphere respectively, the oval left hemisphere and the oval right hemisphere which have the same structure are both formed by hemispherical shells, and one sides of the two hemispherical shells, which are opposite, are provided with concave cavities respectively; the oval body left hemisphere and the oval body right hemisphere are connected with the middle connecting frame through the oval body adjusting mechanism, and the oval body left hemisphere and the oval body right hemisphere are combined to form an adjustable oval sphere structural form, so that the adjustable oval sphere is reasonable in design, compact in structure and simple and convenient to operate, the size of the oval sphere can be adjusted flexibly according to treatment needs, and the treatment efficiency is improved; can meet the treatment requirements of different types of middle and late cervical cancer radiotherapy patients, and can use the same set of oval body after-loading applicator when the size and the state of illness of the vaginal fornix of the patient change in the individualized treatment process, thereby saving the medical cost and lightening the economic burden of the patient. The gynecological short-distance back-loading source applicator can effectively improve the radiotherapy quality, has no wound, small side effect after treatment, economy and practicality and good medical compliance of patients.
Drawings
Fig. 1 is a schematic structural diagram (a part of internal structure is shown in section) of the present invention.
Fig. 2 is a view in the direction a of fig. 1.
Fig. 3 is a schematic structural diagram of the opening and closing driving gear in fig. 2 rotating to drive the left hemisphere and the right hemisphere of the oval body on two sides of the middle connecting frame to open.
Fig. 4 is a schematic diagram of a structure of the right hemisphere of the oval body (left hemisphere) in fig. 3.
Fig. 5 is a schematic view of an intermediate link in fig. 1.
Fig. 6 is a schematic view of a structure of the oval body regulating rotating rod of fig. 3.
Fig. 7 is a schematic view of a structure of the rotary lever-rotating insert lever of fig. 3.
Fig. 8 is a schematic view of a structure of the pinion lock of fig. 1.
Fig. 9 is a schematic view of a usage state of the present invention.
Fig. 10 is a cross-sectional view of fig. 9.
The sequence numbers in the figures illustrate: 1 middle connecting frame, 2 oval left hemisphere, 3 oval right hemisphere, 4 open-close driving gear, 5 oval adjusting rotating rod, 6 open-close driven rack I, 7 open-close driven rack II, 8 rack guide gear, 9 guide gear rotating shaft, 10 rack limit stop, 11 driving gear lock, 12 gear lock driving rod, 13 gear lock rod outer hook, 14 applicator bent pipe, 15 adjustable oval sphere, 16 hook rotating shaft, 17 rotating rod rotating inserted rod, 18 gear lock rod inner hook, 19 hemisphere shell, 20 concave cavity, 21 inserted rod inserting hole, 22 bent pipe inserting hole, 23 connecting frame main body, 24 adjusting rotating rod mounting through hole, 25 axle mounting hole, 26 bent pipe mounting hole, 27 driving rod guide groove, 28 adjusting rotating rod main body, 29 gear connecting key groove, 30 rotating rod driving part, 31 hexagonal connector, 32 driving rod avoiding notch, 33 identification dial, 34 a rotating inserted rod main body, 35 a rotating inserted rod inserting part, 36 a rotating handle, 37 an inner hexagonal socket, 38 an auxiliary poking part, 39 a gear lock main body, 40 a locking tooth, 41 a connecting bent rod, 42 a locking driving straight rod, 43 a vagina, 44 a rectum, 45 a uterus, 46 a cervical fornix, 47 a tumor and 48 a radioactive source channel.
Detailed Description
The specific structure of the present invention is described in detail with reference to fig. 1 to 8. The gynecological near-distance rear-mounted source applicator with the adjustable oval body comprises a middle connecting frame 1 consisting of a connecting frame main body 23, wherein the upper end of the connecting frame main body 23 of the middle connecting frame 1 is provided with a bent pipe mounting hole 26, and a source applicator bent pipe 14 is inserted and arranged in the bent pipe mounting hole 26 in an inserting mode. The two sides of the middle connecting frame 1 are symmetrically provided with an oval left hemisphere 2 and an oval right hemisphere 3 respectively; the oval body left hemisphere 2 and the oval body right hemisphere 3 which are identical in structure are both composed of hemispherical shells 19, and one sides, opposite to the two hemispherical shells 19, of the two hemispherical shells 19 are respectively provided with an inwards concave cavity 20 for accommodating the middle connecting frame 1 and the oval body adjusting mechanism. The oval body left hemisphere 2 and the oval body right hemisphere 3 are combined to form the whole adjustable oval sphere 15, and the upper parts of the oval body left hemisphere 2 and the oval body right hemisphere 3 are respectively provided with a bent pipe inserting hole 22 for conveniently inserting the bent pipe 14 of the source applicator.
The oval body left hemisphere 2 and the oval body right hemisphere 3 are connected with the middle connecting frame 1 through the oval body adjusting mechanism. The oval body adjusting mechanism comprises an opening and closing driving gear 4, an oval body adjusting rotating rod 5 is fixedly arranged in the middle of the opening and closing driving gear 4, and the oval body adjusting rotating rod 5 is rotatably arranged in an adjusting rotating rod mounting through hole 24 in the middle of a connecting frame main body 23 of the middle connecting frame 1. The oval body adjusting rotating rod 5 is composed of an adjusting rotating rod main body 28, and the middle part of the adjusting rotating rod main body 28 is connected with the opening and closing driving gear 4 through a connecting key arranged in a gear connecting key slot 29. A rotating rod driving part 30 is arranged at one end of the adjusting rotating rod main body 28 facing the vaginal opening, and a driving rod avoiding notch 32 is arranged on the side wall of the rotating rod driving part 30; the other end of the adjusting rotating rod main body 28 is provided with an identification dial 33 for indicating the opening width of the oval body left hemisphere 2 and the oval body right hemisphere 3; so as to drive the oval body adjusting rotating rod 5 to rotate through the rotating rod driving part 30, and further drive the opening and closing driving gear 4 on the adjusting rotating rod main body 28 to rotate.
The rear end of the rotating rod driving part 30 of the oval body adjusting rotating rod 5 is detachably provided with a rotating rod rotating inserted rod 17. The rotary lever rotary insert 17 is constituted by a rotary insert main body 34, and a rotary lever insert part 35 is provided at the front end of the rotary insert main body 34. The front end surface of the rotating rod inserting part 35 of the rotating rod rotating inserting rod 17 is provided with an inner hexagonal socket 37; accordingly, the rear end portion of the rotation lever driving part 30 of the oval body adjusting rotation lever 5 is provided with a hexagonal connector 31. The rear end of the rotary insert rod main body 34 is provided with a rotary handle 36, and the front end of the rotary insert rod main body 34 and the outer side wall of the rotary insert rod insertion part 35 are also provided with an auxiliary toggle part 38 formed by a bent plate. Further, the rotating rod inserting part 35 at the front end of the rotating rod rotating inserting rod 17 is matched and connected with the rotating rod driving part 30 at the rear end of the oval body adjusting rotating rod 5, and the rotating rod rotating inserting rod 17 is utilized to drive the oval body adjusting rotating rod 5 to rotate; and the auxiliary shifting part 38 at the front end of the inserted rod 17 is rotated by the rotating rod to perform auxiliary shifting on the gear lock rod inner hook 18, the gear lock rod outer hook 13 and the gear lock driving rod 12, so that the operation of the device is convenient. Meanwhile, the middle parts of the rear sides of the oval body left hemisphere 2 and the oval body right hemisphere 3 are respectively provided with an insertion rod insertion hole 21 for facilitating the insertion of the rotating rod rotating insertion rod 17.
The middle part of the front side of the middle connecting frame 1 is rotatably provided above and below an opening and closing driving gear 4, an opening and closing driven rack II 7 and an opening and closing driven rack I6 which are arranged in parallel are respectively arranged, and the opening and closing driven rack I6 and the opening and closing driven rack II 7 are racks with straight teeth on the upper and lower surfaces. The upper side straight teeth of the opening and closing driven rack I6 are meshed with the opening and closing driving gear 4, and one end of the opening and closing driven rack I6 is connected with the oval left hemisphere 2; a straight tooth at the lower side of the opening and closing driven rack II 7 is meshed with the opening and closing driving gear 4, and one end of the opening and closing driven rack II 7 is connected with the right hemisphere 3 of the oval body; in order to order about through opening and shutting driving gear 4 rather than the driven rack that opens and shuts I6 of meshing and open and shut II 7 of driven rack and move towards opposite direction respectively, and then drive the oval body left hemisphere 2 and the oval body right hemisphere 3 of intermediate junction frame 1 both sides and strut or be closed. For hoisting device's use reliability, open and shut driven rack I6 on, the one end that does not link to each other with oval body left hemisphere 2 to and open and shut driven rack II 7 on, the one end that does not link to each other with oval body right hemisphere 3, be provided with rack limit stop 10 respectively, in order to restrict through rack limit stop 10 and stop the mobile position of opening and shutting driven rack I6 and opening and shutting driven rack II 7.
And rack guide gears 8 are respectively arranged on the lower side of the opening and closing driven rack I6 and the upper side of the opening and closing driven rack II 7, and guide gear rotating shafts 9 in the middle of each rack guide gear 8 are respectively and rotatably connected with wheel shaft mounting holes 25 in the connecting frame main body 23 of the middle connecting frame 1. The lower side straight teeth of the opening and closing driven rack i 6 and the upper side straight teeth of the opening and closing driven rack ii 7 are respectively meshed with the corresponding rack guide gears 8. Therefore, the linear movement of the opening and closing driven rack is effectively guided by the rack guide gear 8 on the lower side of the opening and closing driven rack I6 and the upper side of the opening and closing driven rack II 7, and the reciprocating motion stability of the opening and closing driven rack I6 and the opening and closing driven rack II 7 is ensured.
The side of the opening and closing driving gear 4 is provided with a driving gear lock 11 for locking the driving gear. The driving gear lock 11 is composed of a gear lock body 39, and locking teeth 40 are provided on the gear lock body 39 on the side contacting with the opening/closing driving gear 4. The gear lock main body 39 is further provided with a gear lock driving rod 12 extending towards the rear side, the gear lock driving rod 12 comprises a connecting bent rod 41 connected with the gear lock main body 39, and the end part of the connecting bent rod 41 is provided with a locking driving straight rod 42. Moreover, the connecting bent rod 41 of the gear lock driving rod 12 is movably inserted into the driving rod guide groove 27 at the side part of the connecting frame main body 23 of the middle connecting frame 1; the gear lock main body 39 of the driving gear lock 11 is driven to approach or separate from the opening/closing driving gear 4 by the operation of the gear lock driving rod 12, so as to lock and release the opening/closing driving gear 4.
The gear lock rod inner hook 18 is arranged at the rear side of the connecting frame main body 23 of the middle connecting frame 1 and at the position corresponding to the gear lock driving rod 12 of the driving gear lock 11. The gear lock rod inner hook 18 is connected with the middle connecting frame 1 through a hook rotating shaft 16; when the oval left hemisphere 2 and the oval right hemisphere 3 are in the unfolded state, the locking position of the gear lock driving rod 12 of the driving gear lock 11 is clamped and fixed by the gear lock rod inner clamping hook 18, and the use reliability of the device is further improved. In addition, a gear lock rod outer hook 13 is arranged on the oval left hemisphere 2 or the oval right hemisphere 3 at a position corresponding to the gear lock driving rod 12 of the driving gear lock 11. The gear lock rod external hook 13 is connected with the rear side of the oval body left hemisphere 2 or the oval body right hemisphere 3 through a hook rotating shaft 16, and further, when the oval body left hemisphere 2 and the oval body right hemisphere 3 are in a closed state, the gear lock rod external hook 13 is used for clamping and fixing the position of the gear lock driving rod 12 of the driving gear lock 11.
When the gynecological near-distance afterloading applicator with the adjustable oval bodies is used, firstly, according to the size of a tumor of a cervical cancer patient, the image data of the patient, the physical examination condition of a doctor and the irregular condition of the section of the cervical fornix 46, the mode of afterloading radiotherapy by adopting the two oval body applicators is determined, and the section size of the cervical fornix 46 and the position of a tumor 47 are measured. Then, the front end of an applicator bent pipe 14 is inserted into a bent pipe mounting hole 26 at the upper end of the middle connecting frame 1 of the applicator after the gynecological near distance through a bent pipe inserting hole 22 at the upper part of the adjustable ovoid sphere 15 and is fixed. Then, according to the section size of the cervical dome 46 of the patient, the rotating rod is used for rotating the inserting rod 17 to drive the oval body adjusting rotating rod 5 and the opening and closing driving gear 4 arranged on the oval body adjusting rotating rod to rotate together; and then through pivoted driving gear 4 that opens and shuts, order about rather than the driven rack that opens and shuts I6 of meshing and open and shut II 7 of driven rack and move towards opposite direction respectively to drive the oval body left hemisphere 2 and the oval body right hemisphere 3 of intermediate junction frame 1 both sides and part (strut) gradually.
When the oval body left hemisphere 2 and the oval body right hemisphere 3 are separated to a required width (for example, 30 mm), the gear lock driving rod 12 drives the gear lock main body 39 of the driving gear lock 11 to approach the opening and closing driving gear 4, so as to lock the position of the opening and closing driving gear 4, and fix the opening position of the oval body left hemisphere 2 and the oval body right hemisphere 3. The expanded gynecological brachytherapy applicator is then implanted along the patient's vagina 43 to the right of the cervical dome 46, bringing the adjustable ovoid 15 into close proximity with the right side of the cervical dome 46, and bringing the lower portion of the adjustable ovoid 15 into abutment with the bottom of the vagina 43. The front end of the other applicator bent pipe 14 is inserted into a bent pipe mounting hole 26 at the upper end of the other gynecological near-distance afterloading applicator middle connecting frame 1, and the inserting rod 17 is rotated by the rotating rod to drive the oval body left hemisphere 2 and the oval body right hemisphere 3 to be gradually separated; and, when the oval body left hemisphere 2 and the oval body right hemisphere 3 are separated to a desired width (for example, 25 mm), the opening and closing driving gear 4 is locked by the driving gear lock 11. It will be appreciated that the adjustable ovoid 15 of the two gynecological brachytherapy applicators may be different in width or the same width depending on the particular application. This (further) gynecological brachytherapy applicator in a distracted state is then implanted along the patient's vagina 43 to the left of the cervical dome 46 with the lower portion of the adjustable ovoid 15 against the bottom of the vagina 43, thereby forming a radiation source channel 48 within the vagina 43.
Then, the left and right gynecological near-distance rear applicators are fixed through a connecting component (for example, a fixing screw), so that the positions of the two applicators are relatively fixed without moving left and right; then the two gynaecology near-distance back-mounted applicators are fixed with the patient through the abdominal belt, and the subsequent tumor 47 radiotherapy is carried out. After the radiotherapy of the tumor 47 is finished, the driving gear lock 11 is driven to release the opening and closing driving gear 4, then the inserting rod 17 is rotated by the rotating rod to close the adjustable ovoid sphere 15 of the two gynecological near-distance back-loading applicators respectively, the gynecological near-distance back-loading applicators are taken out from the vagina 43 of the patient and can be reused after being sterilized. The implantation mode of the gynecological near-distance back-loading source applicator with the adjustable oval body can flexibly adjust the size of the oval body according to the actual condition of a patient, and further realize individualized treatment. Simple operation, can effectively improve the radiotherapy quality, has no wound, has small side effect after treatment, and can not increase the economic burden for patients.
Claims (10)
1. The utility model provides a source ware is applied to gynaecology closely afterwards with adjustable oval body, includes intermediate junction frame (1), its characterized in that: the middle connecting frame (1) is composed of a connecting frame main body (23), the upper end of the connecting frame main body (23) is provided with a bent pipe mounting hole (26), and a source applicator bent pipe (14) is inserted and connected in the bent pipe mounting hole (26); an oval body left hemisphere (2) and an oval body right hemisphere (3) are symmetrically arranged on two sides of the middle connecting frame (1) respectively, the oval body left hemisphere (2) and the oval body right hemisphere (3) are identical in structure and are composed of hemispherical shells (19), and concave cavities (20) are arranged on one sides, opposite to the two hemispherical shells (19), of the two hemispherical shells respectively; the oval body left hemisphere (2) and the oval body right hemisphere (3) are connected with the middle connecting frame (1) through the oval body adjusting mechanism, and the oval body left hemisphere (2) and the oval body right hemisphere (3) are combined to form the adjustable oval sphere (15).
2. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 1, wherein: the oval body adjusting mechanism comprises an opening and closing driving gear (4), an oval body adjusting rotating rod (5) is fixedly arranged in the middle of the opening and closing driving gear (4), and the oval body adjusting rotating rod (5) is rotatably arranged in an adjusting rotating rod mounting through hole (24) in the middle of a connecting frame main body (23) of the middle connecting frame (1); an opening and closing driven rack II (7) and an opening and closing driven rack I (6) which are arranged in parallel are respectively arranged above and below the opening and closing driving gear (4), the upper side of the opening and closing driven rack I (6) is meshed with the opening and closing driving gear (4), and one end of the opening and closing driven rack I (6) is connected with the oval left hemisphere (2); the lower side of the opening and closing driven rack II (7) is meshed with the opening and closing driving gear (4), and one end of the opening and closing driven rack II (7) is connected with the right hemisphere (3) of the oval body.
3. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 2, wherein: a rack guide gear (8) is respectively arranged on the lower side of the opening and closing driven rack I (6) and the upper side of the opening and closing driven rack II (7), and a guide gear rotating shaft (9) in the middle of the rack guide gear (8) is respectively rotatably connected with a wheel shaft mounting hole (25) in a connecting frame main body (23) of the middle connecting frame (1); and the lower side of the opening and closing driven rack I (6) and the upper side of the opening and closing driven rack II (7) are respectively meshed with the corresponding rack guide gears (8).
4. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 2, wherein: and one end of the opening and closing driven rack I (6) which is not connected with the oval body left hemisphere (2) and one end of the opening and closing driven rack II (7) which is not connected with the oval body right hemisphere (3) are respectively provided with a rack limit stop (10).
5. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 2, wherein: a driving gear lock (11) is arranged at the side part of the opening and closing driving gear (4) in the middle of the middle connecting frame (1), the driving gear lock (11) is composed of a gear lock main body (39), and locking teeth (40) are arranged on one side, which is in contact with the opening and closing driving gear (4), of the gear lock main body (39); a gear lock driving rod (12) extending towards the rear side is further arranged on the gear lock main body (39), the gear lock driving rod (12) comprises a connecting bent rod (41) connected with the gear lock main body (39), and a locking driving straight rod (42) is arranged at the end part of the connecting bent rod (41); and the connecting bent rod (41) of the gear lock driving rod (12) is movably arranged in the driving rod guide groove (27) at the side part of the connecting frame main body (23) of the middle connecting frame (1).
6. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 5, wherein: the rear side of the connecting frame main body (23) of the middle connecting frame (1) and the position corresponding to the gear lock driving rod (12) of the driving gear lock (11) are provided with gear lock rod inner hooks (18), and the gear lock rod inner hooks (18) are connected with the middle connecting frame (1) through hook rotating shafts (16).
7. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 5, wherein: the gear lock is characterized in that a gear lock rod outer hook (13) is arranged at a position, corresponding to a gear lock driving rod (12) of the driving gear lock (11), on the oval body left hemisphere (2) or the oval body right hemisphere (3), and the gear lock rod outer hook (13) is connected with the rear side of the oval body left hemisphere (2) or the oval body right hemisphere (3) through a hook rotating shaft (16).
8. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 2, wherein: the oval body adjusting rotating rod (5) is composed of an adjusting rotating rod main body (28), and the middle part of the adjusting rotating rod main body (28) is connected with the opening and closing driving gear (4) through a connecting key arranged in a gear connecting key groove (29); and a rotating rod driving part (30) is arranged at one end of the adjusting rotating rod main body (28) facing to the vaginal orifice.
9. The ovoid-adjustable gynecological brachytherapy aftermount applicator according to claim 8, wherein: the rear end of a rotating rod driving part (30) of the oval body adjusting rotating rod (5) is detachably provided with a rotating rod rotating inserted rod (17); the rotating rod rotating inserted rod (17) is composed of a rotating inserted rod main body (34), a rotating rod inserting part (35) is arranged at the front end of the rotating inserted rod main body (34), and a rotating handle (36) is arranged at the rear end of the rotating inserted rod main body (34).
10. The ovoid-adjustable gynecological brachytherapy aftermount applicator of claim 9, wherein: the front end of the rotating inserted bar main body (34) of the rotating inserted bar (17) is also provided with an auxiliary toggle part (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823310.0U CN212593550U (en) | 2020-08-27 | 2020-08-27 | Gynaecology closely adorns source applicator after with adjustable oval body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823310.0U CN212593550U (en) | 2020-08-27 | 2020-08-27 | Gynaecology closely adorns source applicator after with adjustable oval body |
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| Publication Number | Publication Date |
|---|---|
| CN212593550U true CN212593550U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021823310.0U Active CN212593550U (en) | 2020-08-27 | 2020-08-27 | Gynaecology closely adorns source applicator after with adjustable oval body |
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| CN (1) | CN212593550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114681824A (en) * | 2022-04-06 | 2022-07-01 | 陕西省肿瘤医院 | Gynaecology is with wound closely afterloading of oval body and is executed source ware |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114681824A (en) * | 2022-04-06 | 2022-07-01 | 陕西省肿瘤医院 | Gynaecology is with wound closely afterloading of oval body and is executed source ware |
| CN114681824B (en) * | 2022-04-06 | 2022-12-02 | 陕西省肿瘤医院 | Gynaecology is with wound of oval body back dress source ware of adorning closely |
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