CN103271757B - Cervix conization device - Google Patents
Cervix conization device Download PDFInfo
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- CN103271757B CN103271757B CN201310244061.8A CN201310244061A CN103271757B CN 103271757 B CN103271757 B CN 103271757B CN 201310244061 A CN201310244061 A CN 201310244061A CN 103271757 B CN103271757 B CN 103271757B
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- cervix
- guide rod
- central guide
- annular blade
- conization
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Abstract
The invention discloses a cervix conization device and belongs to a medical operation instrument. The cervix conization device comprises a central guide rod, a hollow flexible shaft, an annular blade and a drive device for driving the annular blade to rotate. A cervix support rod is arranged at the front end of the central guide rod, and a fixed cup provided with an opening facing the central guide rod is axially sleeved on the cervix support rod. The hollow flexible shaft is sleeved on the central guide rod and can slide along the central guide rod in a front-back mode. The annular blade is coaxially and fixedly arranged at the front end of the hollow flexible shaft, and an annular edge of the annular blade faces the hollow flexible shaft. The cervix conization device adopts the externally-arranged drive device to drive the annular blade to perform a cervix conization operation and has the advantages of being simple in structure, convenient to operate, good in operation result and the like, and the problems that the operation result of a cold knife cervix conization operation in the prior art excessively depends on operational experiences of an operator, the conization size during operation is difficult to control, operation is inconvenient, excision is excessive or excision of diseased tissues are incomplete and the like are solved.
Description
Technical field
The present invention relates to a kind of surgical instrument, particularly relate to a kind of convenient cervix conization device implementing conization of cervix.
Background technology
Cervical intraepitheliaI neoplasia (CIN) is closely-related one group of precancerous lesion with cervical cancer, its incidence rate rises year by year, cancer in situ can be developed into as treated about 20%CIN II CINIII not in time, 5% develops into infiltrating carcinoma, and therefore correct effective treatment effectively can block generation and the development of cervical cancer.At present, adopt the excision of cryoprobe conization to have the cervical tissue of pathological changes to be the common method for the treatment of above-mentioned pathological changes, cryoprobe conization of cervix has the advantages such as cure rate is high, cervix uteri reparation is fast.But, what cryoprobe conization adopted in the prior art is coventional scalpel, coventional scalpel is adopted to carry out the effect of conization of cervix, depend on the experience of patient to a great extent, and, even if patient has higher surgical experience, also still exist cone cut size be difficult to control, operation inconvenience, the phenomenons such as excision is excessively or removal lesion tissue is not thorough, and most of patients excision wound surface is rough, operation stitching anthemorrhagic difficulty, postoperative wound surface Repeated Hemorrhage, thus bring unnecessary misery to patient.
For solving the problem, application number be 95204168.5 patent discloses a kind of electric ring cutter for inner wall of cervix, this electric ring cutter for inner wall of cervix has the circular cutter be made up of annular cutter hub, foot piece, center-pole, the foot piece of circular cutter is driven by electric device, the center-pole front end of circular cutter is by the localizer be made up of inner position pin and outside fix pin, inner position needle set has needle stand and guide post, outside fix needle set has needle stand and coupling bar, the coupling bar of outside fix pin passes the guide post of inner position pin, and is connected by nut clamping.Although this patent provides and a kind of adopts electrically driven (operated) cervix conization device, its exists in technological means below a few place obviously deficiency: 1) fix cervix uteri because needs arrange positioning needle, add the complexity of equipment; 2) because electric device is arranged on the foot piece of circular cutter, and circular cutter need seesaw and just can complete cutting, therefore the volume determining the patented product can be very large, and this does not meet the physiological structure of women's uterus neck completely, and operation implements to there is very large difficulty; 3) because the localizer described in this patent lacks the consideration of ergonomics aspect, this electric ring cutter for inner wall of cervix is stretched in cervix uteri very difficult.
For above-mentioned deficiency, the invention provides a kind of cervix conization device, this cervix conization device adopts human oriented design, and not only structure is simple for it, and easy to operate, has wide promotion prospect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of cervix conization device, this cervix conization device adopts external driving device to implement conization to drive annular blade, and there is the advantages such as structure is simple, easy to operate, surgical effect is good, the surgical effect solving cryoprobe conization in prior art too relies on the operating experience executing patient, and operation process cone cut size be difficult to control, operation inconvenience, the problems such as excision is excessively or removal lesion tissue is not thorough.
The present invention is solved the problems of the technologies described above by following technological means:
Cervix conization device of the present invention, comprise central guide rod, flexible hollow shaft, annular blade and the driving device for driving annular blade to rotate, the front end of described central guide rod is provided with cervix uteri pressure pin, on described cervix uteri pressure pin, coaxial sleeve is provided with the fixed cup of opening towards central guide rod, and the external diameter of described fixed cup reduces gradually by the bottom of rim of a cup to cup; Described flexible hollow shaft is set in also can along central guide rod slide anteroposterior on described central guide rod; Described annular blade is coaxially fixedly installed on the front end of flexible hollow shaft, and the annular cutting edge of annular blade is towards flexible hollow shaft, and described annular blade can be accommodated in described fixed cup; Described driving device is connected with flexible hollow shaft to drive annular blade to rotate.
Further, the driven gear that described driving device comprises motor, driving gear and engages with driving gear, the output shaft of described motor is fixedly connected with driving gear; Described driven gear coaxial sleeve to be located on described central guide rod and to be fixedly connected with the tail end of flexible hollow shaft.
Further, the thickness of described driving gear is more than or equal to annular blade and completes the required movable distance of cutting.
Further, described driven gear is to be sheathed on central guide rod with the mode of described central guide rod threaded engagement, and the reach on described central guide rod is more than or equal to annular blade and completes the required movable distance of cutting.
Further, also comprise cervix uteri hypanthium and fixed sleeving, described fixed sleeving is set on flexible hollow shaft, described cervix uteri hypanthium is coaxially fixedly installed on the front end of fixed sleeving, described cervix uteri hypanthium rim of a cup is relative with the annular cutting edge of annular blade, the internal diameter of cervix uteri hypanthium rim of a cup is greater than the external diameter of annular blade annular cutting edge, and the distance that described annular blade moves to cervix uteri hypanthium is more than or equal to annular blade and completes the required movable distance of cutting.
Further, described central guide rod is provided with the part of fixed sleeving, its position near cervix uteri hypanthium is curved.
Further, described central guide rod is connected with detachable between cervix uteri pressure pin.
Cervix conization device of the present invention has following beneficial effect:
1) cervix conization device of the present invention adopts flexible hollow shaft to the driving force of annular blade transmission drive, makes driving device in operation process be placed on the external of patient, greatly reduces the volume of cervix conization device of the present invention thus.In addition, cervix conization device of the present invention, its its profile of part extend in patient's pelvic cavity is similar to uterus raising device of the prior art, therefore meets the requirement on ergonomics.
2) annular blade in cervix conization device of the present invention is housed in fixed cup, when implementing cervix uteri cutting, annular blade cuts to cervix uteri external edge motion limit by fixed cup, and it is compared has cutting thoroughly by cervix uteri externally to the feed of cervix uteri inside, and reduces the effect of cervix conization device size.
3) sheathed cervix uteri hypanthium and fixed sleeving on central guide rod, serves protection cervix uteri outside organization, prevents annular blade from cutting the object of transition.
4) external diameter of described fixed cup is reduced gradually by the bottom of rim of a cup to cup, make the cervix uteri pressure pin in cervix conization device of the present invention to be inserted in cervix uteri smoothly, therefore more meet the requirement in ergonomic designs.
5) part described central guide rod being provided with fixed sleeving is arranged curved near the position of cervix uteri hypanthium, the cervix uteri pressure pin of central guide rod front end and fixed cup is made to be inserted in cervix uteri smoothly, and the structure of the central guide rod and fixed sleeving being in cervix uteri outside can be matched with the physiological structure of pelvic cavity, make cervix conization device of the present invention more meet requirement in ergonomic designs.
6) described central guide rod is arranged to detachable connection with between cervix uteri pressure pin, makes patient's operation consent can select suitable fixed cup and annular blade according to the size at patient's cervix uteri and excision position.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the perspective view of cervix conization device of the present invention;
Fig. 2 is central guide rod and the cervix uteri pressure pin 5 syndeton schematic diagram of cervix conization device of the present invention;
Fig. 3 is flexible hollow shaft and the annular blade syndeton schematic diagram of cervix conization device of the present invention;
Fig. 4 is cervix conization device cervix uteri hypanthium of the present invention and fixed sleeving syndeton schematic diagram;
Fig. 5 is cervix conization device cross-sectional view of the present invention;
Fig. 6 is Tu5Zhong A district enlarged diagram;
Fig. 7 is Tu5Zhong B district enlarged diagram;
Fig. 8 is that in cervix conization device of the present invention, driving gear and driven gear connect engaging structure schematic diagram;
Fig. 9 is the structural representation of cervix conization device of the present invention when completing cut state.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail, as shown in the figure: cervix conization device of the present invention, comprise central guide rod 1, flexible hollow shaft 2, annular blade 3 and the driving device 4 for driving annular blade to rotate, described driving device can be electric device, also can be by the hand human powered device driving flexible hollow shaft 2 to rotate of crank, the front end of described central guide rod 1 is provided with cervix uteri pressure pin 5, on described cervix uteri pressure pin 5, coaxial sleeve is provided with the fixed cup 6 of opening towards central guide rod 1, the external diameter of described fixed cup 6 reduces gradually by the bottom of rim of a cup to cup, and fixed cup 6 outer surface is arranged to smooth, make fixed cup can enter cervical canal smoothly, described flexible hollow shaft 2 is set in also can along central guide rod 1 slide anteroposterior on described central guide rod 1, described annular blade 3 coaxial sleeve is located at the front end of flexible hollow shaft 2 and is fixedly connected with flexible hollow shaft 2, and the annular cutting edge of annular blade 3 is towards flexible hollow shaft 2 direction, and described annular blade 3 can be accommodated in described fixed cup 6, described driving device 4 is connected with flexible hollow shaft 2 to drive annular blade 3 to rotate.In the present embodiment, the diameter of described central guide rod is arranged on 5mm, and length is greater than 30cm, adopts metal material to make; The diameter of cervix uteri pressure pin 5 is arranged on 5-10mm, and length is arranged on 10-15cm; The internal diameter of flexible hollow shaft 2 is arranged on 6mm, external diameter is arranged on 9mm, flexible hollow shaft adopts steel wire wound to form, can translation-angle arbitrarily, cervix conization device of the present invention adopts flexible hollow shaft to transmit the driving force of driving device to annular blade, make driving device in operation process be placed on the external of patient, greatly reduce the volume of cervix conization device of the present invention thus.
The using method of cervix conization device of the present invention: during operation, first central guide rod and cervix uteri pressure pin 5 are put into uterine cavity, reach position bottom palace, adjusting cervix uteri pressure pin 5 again makes it enter cervical canal, when cervix uteri pressure pin 5 and on fixed cup 6 reach default position after, startup driving device driving flexible hollow shaft 2 and the annular blade 3 be fixedly connected with flexible hollow shaft 2 rotate, and pull out flexible hollow shaft 2 annular blade 3 is stretched out from fixed cup 6, and while rotate edge central authorities' guide rod outwards movement, and then complete cutting process.
As the further improvement of technique scheme, the driven gear 43 that described driving device 4 comprises motor 41, driving gear 42 and engages with driving gear 42, the output shaft 411 of described motor 41 is fixedly connected with driving gear 42; Described driven gear 43 coaxial sleeve to be located on described central guide rod 1 and to be fixedly connected with the tail end of flexible hollow shaft 2.Adopt electronic driving device 4 to save manpower, make operation easier.
As the further improvement of technique scheme, the thickness of described driving gear 42 is more than or equal to annular blade 3 and completes the required movable distance of cutting.When described driving device 4 works, motor 41 drives driving gear 42 to rotate, driving gear 42 drives driven gear 43 and flexible hollow shaft 2, annular blade 3 together rotates, because the annular blade 3 rotated needs just can complete cutting action along central guide rod is outwards mobile, so need flexible hollow shaft 2 simultaneously outwards mobile, and flexible hollow shaft 2 is fixedly connected with driven gear 43, driven gear 43 outwards moving process needs to keep engaging with driving gear 42 all the time, so the thickness of driving gear 42 must be more than or equal to annular blade 3 complete the required movable distance of cutting.
As the further improvement of technique scheme, described driven gear 43 is to be sheathed on central guide rod 1 with the mode of described central guide rod 1 threaded engagement, and the reach on described central guide rod 1 is more than or equal to annular blade 3 and completes the required movable distance of cutting.Described driven gear 43 and described central guide rod 1 be arranged to threaded engagement, can move along central guide rod while driven gear 43 is rotated, and then save the trouble manually pulling the outside movement of flexible hollow shaft, such that operation is easier, structure is more reasonable.
As the further improvement of technique scheme, also comprise cervix uteri hypanthium 7 and fixed sleeving 8, described fixed sleeving 8 is set on flexible hollow shaft 2, described cervix uteri hypanthium 7 is coaxially fixedly installed on the front end of fixed sleeving 8, described cervix uteri hypanthium 7 rim of a cup is relative with the annular cutting edge of annular blade 3, the internal diameter of cervix uteri hypanthium 7 rim of a cup is greater than the external diameter of the annular cutting edge of annular blade 3, and the distance that described annular blade 3 moves to cervix uteri hypanthium 7 is more than or equal to annular blade 3 and completes the required movable distance of cutting.Whether described cervix uteri hypanthium 7 can adopt transparent material to make, to facilitate the cutting of the auxiliary lower observation annular blade in endoscope complete.Arranging cervix uteri hypanthium 7 can protect organizing near cervix uteri mouth not accidentally injured by annular blade effectively, arranges fixed sleeving 8 and vagina can be protected not abraded by the flexible hollow shaft rotated, and fixed sleeving 8 also plays the effect of support and succedent houses neck brace cup 7.
As the further improvement of technique scheme, described central guide rod 1 is provided with the part of fixed sleeving 8, its position near cervix uteri hypanthium 7 is curved.The part described central guide rod being provided with fixed sleeving is arranged curved near the position of cervix uteri hypanthium, the cervix uteri pressure pin of central guide rod front end and fixed cup is made to be inserted in cervix uteri smoothly, and the structure of the central guide rod and fixed sleeving being in cervix uteri outside can be matched with the physiological structure of pelvic cavity, make cervix conization device of the present invention more meet requirement in ergonomic designs.
As the further improvement of technique scheme, described central guide rod 1 is connected with detachable between cervix uteri pressure pin 5.Described detachable connection can be threaded.Described central guide rod is arranged to detachable connection with between cervix uteri pressure pin, makes patient's operation consent can select suitable fixed cup and annular blade according to the size at patient's cervix uteri and excision position.
As the further improvement of technique scheme, described driving device 4 is also provided with for the Handheld Division 9 of fixed sleeving 8 with central guide rod 1, one can be made with the shell of driving device 4 in described Handheld Division 9.Arranging Handheld Division 9 also facilitates surgical staff to grip cervix conization device of the present invention.In addition, the button being used for accessory drive 4 also can be arranged on switch Handheld Division 9 being used for facilitating motor.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a cervix conization device, comprise central guide rod (1), flexible hollow shaft (2), annular blade (3) and the driving device (4) for driving annular blade to rotate, described flexible hollow shaft (2) is set in described central guide rod (1) above also can along central guide rod (1) slide anteroposterior; Described annular blade (3) is coaxially fixedly installed on the front end of flexible hollow shaft (2), described driving device (4) is connected with flexible hollow shaft (2) to drive annular blade (3) to rotate, it is characterized in that: the front end of described central guide rod (1) is provided with cervix uteri pressure pin (5), the upper coaxial sleeve of described cervix uteri pressure pin (5) is provided with the fixed cup (6) of opening towards central guide rod (1), and the external diameter of described fixed cup (6) reduces gradually by the bottom of rim of a cup to cup; Described annular blade (3) can be accommodated in described fixed cup (6), and the annular cutting edge of annular blade (3) is towards flexible hollow shaft (2).
2. cervix conization device according to claim 1, it is characterized in that: the driven gear (43) that described driving device (4) comprises motor (41), driving gear (42) and engages with driving gear (42), the output shaft (411) of described motor (41) is fixedly connected with driving gear (42); Described driven gear (43) coaxial sleeve is located at described central guide rod (1) and is gone up and be fixedly connected with the tail end of flexible hollow shaft (2).
3. cervix conization device according to claim 2, is characterized in that: the thickness of described driving gear (42) is more than or equal to annular blade (3) and completes the required movable distance of cutting.
4. cervix conization device according to claim 3, it is characterized in that: described driven gear (43) is to be sheathed on central guide rod (1) with the mode of described central guide rod (1) threaded engagement, and the reach on described central guide rod (1) is more than or equal to annular blade (3) and completes the required movable distance of cutting.
5. cervix conization device according to claim 4, it is characterized in that: also comprise cervix uteri hypanthium (7) and fixed sleeving (8), described fixed sleeving (8) is set on flexible hollow shaft (2), described cervix uteri hypanthium (7) is coaxially fixedly installed on the front end of fixed sleeving (8), described cervix uteri hypanthium (7) rim of a cup is relative with the annular cutting edge of annular blade (3), the internal diameter of cervix uteri hypanthium (7) rim of a cup is greater than the external diameter of annular blade (3) annular cutting edge, the distance that described annular blade (3) moves to cervix uteri hypanthium (7) is more than or equal to annular blade (3) and completes the required movable distance of cutting.
6. cervix conization device according to claim 5, is characterized in that: the part described central guide rod (1) being provided with fixed sleeving (8), its position near cervix uteri hypanthium (7) is curved.
7. cervix conization device according to claim 6, is characterized in that: described central guide rod (1) is connected with detachable between cervix uteri pressure pin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244061.8A CN103271757B (en) | 2013-06-19 | 2013-06-19 | Cervix conization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310244061.8A CN103271757B (en) | 2013-06-19 | 2013-06-19 | Cervix conization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103271757A CN103271757A (en) | 2013-09-04 |
| CN103271757B true CN103271757B (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310244061.8A Expired - Fee Related CN103271757B (en) | 2013-06-19 | 2013-06-19 | Cervix conization device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112509441B (en) * | 2020-11-29 | 2021-08-17 | 中国医学科学院北京协和医院 | Cervical conization simulation teaching aid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2774393Y (en) * | 2005-04-04 | 2006-04-26 | 佛山市顺德区足履健实业有限公司 | Conization equipment |
| US9254142B2 (en) * | 2011-04-11 | 2016-02-09 | Iogyn, Inc. | Tissue extraction devices and methods |
| US8663239B2 (en) * | 2011-09-29 | 2014-03-04 | Blake Hess | Tissue removal and manipulator device for LAVH and related surgeries |
| CN202526279U (en) * | 2012-01-01 | 2012-11-14 | 丁明德 | Novel manual cervical conization device |
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