CN103202716A - Uterus sampler - Google Patents
Uterus sampler Download PDFInfo
- Publication number
- CN103202716A CN103202716A CN2013101247859A CN201310124785A CN103202716A CN 103202716 A CN103202716 A CN 103202716A CN 2013101247859 A CN2013101247859 A CN 2013101247859A CN 201310124785 A CN201310124785 A CN 201310124785A CN 103202716 A CN103202716 A CN 103202716A
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- China
- Prior art keywords
- uterus
- sampler
- trocar sheath
- core bar
- piston
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0291—Instruments for taking cell samples or for biopsy for uterus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B2010/0216—Sampling brushes
Abstract
The invention belongs to the technical field of medical equipment and discloses a uterus sampler which comprises a core rod and an outer sleeve. A sampling brush and a guide head are fixed at one end of the core rod, the guide head is positioned at the tail end of the sampling brush, an operating handle is formed at the other end of the core rod, and the outer sleeve is sleeved outside the core rod. The uterus sampler is characterized in that a piston channel is formed on a wall at one end, facing the sampling brush, of the core rod, a piston is embedded in the piston channel and is in sealed fit with the wall of the outer sleeve cavity of the outer sleeve, a sleeve seat is movably sleeved at the other end of the core rod, and one end, facing the operating handle, of the outer sleeve reaches into and is matched with a sleeve seat cavity of the sleeve seat. The uterus sampler has the advantages that no pain is caused, no trauma is generated, the guide head has good painless guide effect, and boundedness on uterus sampling is avoided; and the uterus sampler has good sampling effect and is quite convenient to operate and timesaving.
Description
Technical field
The invention belongs to the medical devices technical field, be specifically related to a kind of uterus sampler, be used for gathering the endometrium exfoliative cyte, for diagnosis uterus pathological changes provides foundation.
Background technology
The healthy weekly of Beijing Times (2008) published article: " carcinoma of endometrium is one of female sex organs three big malignant tumor; the age occurred frequently is 58-61 year; account for 7% of women's cancer sum, account for the 20-30% of female genital tract malignant tumor, and sickness rate is in rising trend.Foreign study is pointed out, in uterus tumor, cervical cancer drops to 40% by 75.4% before 30 years, carcinoma of endometrium then rises to 46.3% by 20.3%, that is the ratio of carcinoma of endometrium and uterus carcinoma incidence rate has risen to 1.15: 1 by 0.27: 1, carcinoma of endometrium has been tending towards approaching even surpassing cervical cancer, becomes one of main killer who influences WomanHealth ".
The endometrium examination of castoff cells is the main means of early discovery carcinoma of endometrium.At present, just please cure after, inferior belly gas pain normally unusual in patient's self-induction manifest symptom such as abnormal vaginal bleeding, vagina discharge opeing for the diagnosis of carcinoma of endometrium and/or the spasm pain and ask extension, yet it is once dilatation and curettage or hysteroscopy diagnosis, late because of the chance of having missed the early treatment usually.Especially, in the customary annual free inspection of the gynaecological disease that China forms for many years, though classify examinations of uterus as main project, but because the inspection means are mainly by dilatation and curettage, hysteroscope or suction pipe, therefore those who are investigated often are unwilling to be checked, and reason is: the wound of dilatation and curettage and hysteroscopy is big, pain serious and have limitation and can not reach desirable diagnosis effect; Though the suction pipe inspection has or not wound, no pain and strong point conveniently, but can not comprehensive collection uterine cavity exfoliative cyte and to cause accuracy rate low be its deficiency.
Undoubtedly, no wound, no pain and sampling are the common directions of pursuing of present doctor and patient comprehensively, and the endometrium exfoliative cyte sampler that can satisfy these requirements basically can be seen in disclosed Chinese patent literature, typical " the cervix uteri sampler " recommended as Granted publication CN2403362Y, this patent scheme is by bulb, sampling brush and operating grip (patent claims lever) are formed, strong point is capable described as its description page 1 17-18, one of shortcoming, though since sampling brush be enter the uterus or when withdrawing from the uterus all to reveal the end that naked state is positioned at operating grip, therefore after sampling brush has been finished brush to Uterus wall, can't take out from endometrial cell and mucus that Uterus wall comes off, be extremely limited with the amount that attaches on sampling brush only, finally diagnosis caused puzzlement; Its two owing to do not have the intrauterine endometrium exfoliative cyte that taken off by sampling brush brush and the mucus function with the negative pressure state sucking-off, so the comprehensive of sample be affected, and causes accurate rate of diagnosis can not reach medical treatment and go up desired effects.
Granted publication CN202604894U provides " a kind of cervical brush ", because this patent scheme has increased by a trocar sheath with respect to the structure of aforementioned CN2403362Y, thereby can eliminate aforementioned first shortcoming of CN2403362Y, specifically can be referring to the 0010th to 0012 section of the description of this patent, should this patent scheme cash the 0007th section technique effect that states clearly of its description, but only the negative pressure that produces when sampling brush enters the overcoat tube chamber of trocar sheath with the relative displacement between sampling brush and the trocar sheath is extremely faint, so trocar sheath is difficult to enough and will be drawn into the trocar sheath intracavity by endometrium exfoliative cyte and the mucus that the sampling brush brush takes off, be unfavorable for that the medical worker chemically examines and diagnoses.The applicant thinks, only make between the chamber wall of overcoat tube chamber of core bar and trocar sheath and form rational piston effect, could endometrium exfoliative cyte and mucus that the sampling brush brush takes off be drawn effectively by trocar sheath, and then be that the accuracy of chemically examining, diagnosing provides safeguard.
At above-mentioned prior art, the applicant has done positive and useful design, finally formed technical scheme described below, and taked under the necessary secrecy provision laboratory the applicant to make simulation test, it is practicable that the result proves.
Summary of the invention
Task of the present invention be to provide a kind of help to ensure those who are investigated do not have wound do not have pain and use for those who are investigated accept, be of value to intrauterine cavity comprehensively sampling use and avoid limitation, be conducive to endometrium exfoliative cyte that the sampling brush brush is taken off and mucus and suck trocar sheath with negative pressure state and use and ensure desirable sampling effect and have and be convenient to handled easily and use the uterus sampler of saving sample time.
Task of the present invention is finished like this, and a kind of uterus sampler comprises a core bar, and an end of this core bar fixedly has a sampling brush and a guide head, and guide head is positioned at the end of sampling brush, and the other end of core bar constitutes an operating grip; One trocar sheath, this trocar sheath is nested with outside described core bar, be characterised in that: constitute the recessed road of piston at described core bar towards the wall body of an end of described sampling brush, be embedded with a piston in the recessed road of piston, the chamber wall of the overcoat tube chamber of piston and trocar sheath is sealed and matched; And the described other end at core bar is arranged with a casing seat movably, and described trocar sheath is insinuated into the casing seat intracavity of casing seat towards an end of described operating grip, and matches with the casing seat chamber.
In a specific embodiment of the present invention, described sampling brush constitutes around the circumferencial direction of the described end of core bar and with the bristle of radial distribution by one group.
In another specific embodiment of the present invention, the shape of described guide head is spheroidal.
In another specific embodiment of the present invention, constitute anti-skidding flange at described operating grip.
In another specific embodiment of the present invention, the quantity in the recessed road of described piston has one or a pair of.
Also have in the specific embodiment of the present invention, constitute a limited step at the casing seat intracavity of described casing seat, described trocar sheath matches with this limited step.
More of the present invention and in specific embodiment, described trocar sheath is made by the medical poisonless polrvinyl chloride, and the external diameter of this trocar sheath is 3.5 ㎜.
In of the present invention and then specific embodiment, described trocar sheath is provided with scale mark.
Of the present invention again more and in specific embodiment, described trocar sheath is transparent.
In again of the present invention and then specific embodiment, described piston is rubber ring.
Technical scheme provided by the invention is with respect to one of technique effect of prior art, because can be by sampling brush to the intrauterine cavity brush, thereby can not produce pain, and do not have wound, in addition, guide head has good no pain guide effect; Two owing to drive sampling brush 360 ° of rotations in uterus by the rotating operation handle, thereby can avoid limitation to the uterus sampling; Three, owing to offered the recessed road of piston and in the recessed road of piston, be provided with the piston that the chamber wall with the overcoat tube chamber of trocar sheath is sealed and matched at core bar, therefore after sampling brush has been finished brush to the intrauterine wall, turn back in the intraluminal process of overcoat at sampling brush, can will be drawn into the trocar sheath intracavity by endometrium exfoliative cyte and the mucus that the sampling brush brush takes off by the intraluminal suction function of overcoat, thereby have good sampling effect; Four, because overall structure is simple and can to driveing of trocar sheath trocar sheath be moved steadily and ensure by casing seat and make sampling brush enter the trocar sheath intracavity with endometrium exfoliative cyte and mucus suction trocar sheath intracavity on one side, thus easy to operate and can save time.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is stretched over the outer working state schematic representation of overcoat tube chamber of trocar sheath for sampling brush shown in Figure 1.
Fig. 3 is the intraluminal off working state sketch map of overcoat of sampling brush retraction trocar sheath shown in Figure 1.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the present invention program to the description of embodiment, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Embodiment:
See also Fig. 1, provided a core bar 1, be that the left end of location status shown in Figure 1 fixedly has a sampling brush 11 and a guide head 12 at an end of this core bar 1, sampling brush 11 is made of one group of bristle 111, this group of bristle 111 is fixing by the stranded steel wire 15 of an end (left end) of core bar 1, and the end that this composition bristle 111 centers on core bar 1 more precisely centers on the circumferencial direction of stranded steel wire 15 with radial distribution.The shape of guide head 12 is spheroidal, says that vividerly this guide head 12 is the shape of Semen Glycines, also guide head 12 can be designed to the shape of sub warhead certainly.Shown in figure, guide head 12 is positioned at the end of sampling brush 11, namely is positioned at the left end of shown position state.No matter because the guide head 12 of this shape enters the uterus or withdraw from the uterus all to have good submissive effect and can not cause wound and can not make those who are investigated produce pain to the uterus, thereby have affinity with human body.The material of guide head 12 adopts resin or other equivalent material, cements in the left end of core bar 1, namely is positioned at the end of sampling brush 11.Be that the right-hand member of shown position state constitutes an operating grip 13 at the other end of core bar 1, constitute anti-skidding flange 131 at this operating grip 13, operating grip 13 and on the shape of anti-skidding flange 131 be not subjected to the restriction of shape shown in Figure 1.
Aforesaid core bar 1 comes down to be made of the steel wire sheath outer with being combined in steel wire.
Provided a trocar sheath 2, this trocar sheath 2 is nested with outside aforesaid core bar 1, and can be along the length direction move left and right of core bar 1, be provided with scale mark 22 at the outer wall of this core bar 2, so that the medical worker holds the trocar sheath 2 intrauterine degree (degree of depth) of exploring.Trocar sheath 2 is preferred to use transparent medical macromolecular materials such as medical poisonless grade PVC to make, and the diameter of this trocar sheath 2 (being external diameter) is 3.5 ㎜, and this size has the strong point that need not the uterus is expanded the palace.
Technical essential as technical scheme provided by the invention, on aforesaid core bar 1 and towards an end of sampling brush 11, offer the recessed road 14 of pair of pistons, and in the recessed road 14 of each piston, be embedded with the piston 141 that 14 surfaces, the recessed road of a protruding piston namely are raised in the surface of core bar 1, piston 141 is rubber ring, and after core bar 1 is contained in the overcoat tube chamber 21 of trocar sheath 2, also be, in the time of outside trocar sheath 2 is nested with core bar 1, piston 141 just forms with the chamber wall (being inwall) of overcoat tube chamber 21 and is sealed and matched.So, with location status shown in Figure 1, when trocar sheath 2 moves to the left end of core bar 1 and when whole sampling brush 11 enters in the overcoat tube chamber 21, the left end of overcoat tube chamber 21 just produces negative pressure, under the effect of this negative pressure, produce strong swabbing action, in order to will be drawn in the overcoat tube chamber 21 by endometrium exfoliative cyte and the mucus that sampling brush 11 brushes take off.Hence one can see that, forms principle just as the manual type inflator seen in the daily life owing to the effect of piston 141 makes relation between trocar sheath 2 and the core bar 1.
The applicant need to prove: if only offer a recessed road 14 of piston on aforesaid core bar 1, and in the recessed road 14 of this piston piston 141 being set, then is feasible equally.That is to say and to limit the present invention with the number change in the recessed road 14 of piston.
Please continue to see Fig. 1, on aforesaid core bar 1 and towards an end of operating grip 13, be arranged with a casing seat 3, the effect of this casing seat 3 is to drive trocar sheath 2 to move towards the direction of an end that deviates from operating grip 13, chamber wall in the casing seat chamber 31 of this casing seat 3 constitutes a limited step 311, and the right-hand member of trocar sheath 2 is insinuated in the casing seat chamber 31 and with limited step 311 and contacts.Because the setting of this casing seat 3 makes mobile trocar sheath 2 become very convenient.
Application examples 1:
See also Fig. 2, under being state shown in Figure 3 substantially, structure of the present invention inserts intrauterine, judge the insertion degree according to the scale mark 22 on the trocar sheath 2, then trocar sheath 2 being followed core bar 1 moves right, make sampling brush 11 integral body expose overcoat tube chamber 21, be state shown in Figure 2, then by the medical worker with clockwise with the mode that replaces counterclockwise or by same direction rotating operation handle 13, make core bar 1 corresponding rotation, driving sampling brush 11 rotates, in sampling brush 11 rotating process to the brush of intrauterine wall, to obtain endometrium exfoliative cyte and the mucus that comes off from the uterus inwall.
Application examples 2:
Ask for an interview Fig. 3, after the process of having finished application examples 1, by the operation to casing seat 3, make casing seat 3 to left dislocation, force trocar sheath 2 to left dislocation, sampling brush 11 is entered in the overcoat tube chamber 21, under this state, because overcoat tube chamber 21 is positioned at the tube chamber in the left side of piston 141 and is in negative pressure state, therefore endometrium exfoliative cyte and the mucus that is before come off by sampling brush 11 brushes enters in the overcoat tube chamber 21, after treating that core bar 1 withdraws from the uterus fully together with trocar sheath 2, with exfoliative cyte and the mucus censorship that remains in the overcoat tube chamber 21.
In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art, has finished the invention task, the objective applicant's described technique effect in the above that embodied.
Claims (10)
1.
A kind of uterus sampler comprises a core bar (1), and an end of this core bar (1) fixedly has a sampling brush (11) and a guide head (12), and guide head (12) is positioned at the end of sampling brush (11), and the other end of core bar (1) constitutes an operating grip (13); One trocar sheath (2), this trocar sheath (2) is nested with outside described core bar (1), it is characterized in that: constitute the recessed road of piston (14) at described core bar (1) towards the wall body of an end of described sampling brush (11), be embedded with a piston (141) in the recessed road of piston (14), piston (141) is sealed and matched with the chamber wall of the overcoat tube chamber (21) of trocar sheath (2); And the described other end at core bar (1) is arranged with a casing seat (3) movably, and described trocar sheath (2) is insinuated in the casing seat chamber (31) of casing seat (3) towards an end of described operating grip (13), and matches with casing seat chamber (31).
2.
Uterus according to claim 1 sampler is characterized in that described sampling brush (11) constitutes around the circumferencial direction of the described end of core bar (1) and with the bristle (111) of radial distribution by one group.
3.
Uterus according to claim 1 sampler is characterized in that the shape of described guide head (12) is spheroidal.
4.
Uterus according to claim 1 sampler is characterized in that constituting anti-skidding flange (131) at described operating grip (13).
5.
Uterus according to claim 1 sampler is characterized in that the quantity in the recessed road of described piston (14) has one or a pair of.
6.
Uterus according to claim 1 sampler is characterized in that constituting a limited step (311) in the casing seat chamber (31) of described casing seat (3), and described trocar sheath (2) matches with this limited step (311).
7.
According to claim 1 or 6 described uterus samplers, it is characterized in that described trocar sheath (2) made by the medical poisonless polrvinyl chloride, and the external diameter of this trocar sheath (2) is 3.5 ㎜.
8.
Uterus according to claim 7 sampler is characterized in that described trocar sheath (2) is provided with scale mark (22).
9.
Uterus according to claim 7 sampler is characterized in that described trocar sheath (2) is transparent.
10.
Uterus according to claim 1 sampler is characterized in that described piston (141) is rubber ring
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101247859A CN103202716A (en) | 2013-04-11 | 2013-04-11 | Uterus sampler |
| PCT/CN2013/081713 WO2014166187A1 (en) | 2013-04-11 | 2013-08-19 | Uterine sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101247859A CN103202716A (en) | 2013-04-11 | 2013-04-11 | Uterus sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103202716A true CN103202716A (en) | 2013-07-17 |
Family
ID=48750285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101247859A Pending CN103202716A (en) | 2013-04-11 | 2013-04-11 | Uterus sampler |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103202716A (en) |
| WO (1) | WO2014166187A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014166187A1 (en) * | 2013-04-11 | 2014-10-16 | 上海宇度医学科技股份有限公司 | Uterine sampling device |
| CN106237490A (en) * | 2016-08-30 | 2016-12-21 | 张桂兰 | A kind of Gynecological cervical disease examination diagnosis and treatment apparatus |
| CN109602460A (en) * | 2019-01-09 | 2019-04-12 | 中国人民解放军陆军军医大学第附属医院 | A kind of cell hairbrush and application method for pleural brushing |
| CN111615367A (en) * | 2018-12-24 | 2020-09-01 | 株式会社恩德威视 | Uterine tissue extraction tool |
| CN114190998A (en) * | 2021-11-17 | 2022-03-18 | 重庆市人民医院 | Gynecological uterine curettage device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354372B (en) * | 2019-07-15 | 2021-12-03 | 重庆市合川区人民医院 | Intelligent drug administration and sampling integrated device for gynecological examination |
| CN113440185B (en) * | 2021-07-16 | 2024-02-02 | 瑞柏生物（中国）股份有限公司 | Gynaecology's fast regulating type expands palace device |
| CN113876363B (en) * | 2021-09-29 | 2023-09-08 | 四川大学华西第二医院 | Special sampling brush in oral cavity |
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| CN2609504Y (en) * | 2003-06-03 | 2004-04-07 | 向德琦 | Endometrial cell collector |
| CN202342086U (en) * | 2011-11-16 | 2012-07-25 | 李辉 | Endometrium collector |
| CN202426563U (en) * | 2012-01-05 | 2012-09-12 | 中国福利会国际和平妇幼保健院 | Cervical cell sampling brush |
| CN203153815U (en) * | 2013-04-11 | 2013-08-28 | 上海宇度医学科技股份有限公司 | Uterus sampling apparatus |
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| US4318414A (en) * | 1977-05-09 | 1982-03-09 | Ovutime, Inc. | Probe for obtaining cervical mucus |
| US5129402A (en) * | 1991-02-19 | 1992-07-14 | Accu-Med Corporation | Apparatus for collecting and/or growing protected biological specimens |
| GB9807075D0 (en) * | 1998-04-01 | 1998-06-03 | Smiths Industries Plc | Endometrial samplers |
| CN200977194Y (en) * | 2006-08-15 | 2007-11-21 | 上海家宝医学保健科技有限公司 | Aspirator for uterine cavity tissue |
| CN202060807U (en) * | 2011-03-12 | 2011-12-07 | 山东新华安得医疗用品有限公司 | Endometrial sampler |
| CN202604894U (en) * | 2011-12-29 | 2012-12-19 | 江苏苏云医疗器材有限公司 | Uterus brush |
| CN103202716A (en) * | 2013-04-11 | 2013-07-17 | 上海宇度医学科技股份有限公司 | Uterus sampler |
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2013
- 2013-04-11 CN CN2013101247859A patent/CN103202716A/en active Pending
- 2013-08-19 WO PCT/CN2013/081713 patent/WO2014166187A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609504Y (en) * | 2003-06-03 | 2004-04-07 | 向德琦 | Endometrial cell collector |
| CN202342086U (en) * | 2011-11-16 | 2012-07-25 | 李辉 | Endometrium collector |
| CN202426563U (en) * | 2012-01-05 | 2012-09-12 | 中国福利会国际和平妇幼保健院 | Cervical cell sampling brush |
| CN203153815U (en) * | 2013-04-11 | 2013-08-28 | 上海宇度医学科技股份有限公司 | Uterus sampling apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014166187A1 (en) * | 2013-04-11 | 2014-10-16 | 上海宇度医学科技股份有限公司 | Uterine sampling device |
| CN106237490A (en) * | 2016-08-30 | 2016-12-21 | 张桂兰 | A kind of Gynecological cervical disease examination diagnosis and treatment apparatus |
| CN106237490B (en) * | 2016-08-30 | 2020-04-17 | 张桂兰 | Examination, diagnosis and treatment device for gynecological cervical diseases |
| CN111615367A (en) * | 2018-12-24 | 2020-09-01 | 株式会社恩德威视 | Uterine tissue extraction tool |
| CN109602460A (en) * | 2019-01-09 | 2019-04-12 | 中国人民解放军陆军军医大学第附属医院 | A kind of cell hairbrush and application method for pleural brushing |
| CN114190998A (en) * | 2021-11-17 | 2022-03-18 | 重庆市人民医院 | Gynecological uterine curettage device |
| CN114190998B (en) * | 2021-11-17 | 2023-07-28 | 重庆市人民医院 | Uterine curettage device for gynaecology |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014166187A1 (en) | 2014-10-16 |
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Application publication date: 20130717 |