CN203153815U - Uterus sampling apparatus - Google Patents
Uterus sampling apparatus Download PDFInfo
- Publication number
- CN203153815U CN203153815U CN 201320178859 CN201320178859U CN203153815U CN 203153815 U CN203153815 U CN 203153815U CN 201320178859 CN201320178859 CN 201320178859 CN 201320178859 U CN201320178859 U CN 201320178859U CN 203153815 U CN203153815 U CN 203153815U
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- core bar
- uterus
- trocar sheath
- piston
- sampler
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Abstract
The utility model provides a uterus sampling apparatus, and belongs to the technical field of medical equipment. The uterus sampling apparatus comprises a core bar and an outer sleeve. A sampling brush and a guide head are fixed at one end of the core bar, the guide head is positioned at the tail end of the sampling brush, and an operating handle is formed at the other end of the core bar. The outer sleeve is sleeved outside the core bar. The uterus sampling apparatus is characterized in that a piston recessed channel is formed on the wall at one end, facing the sampling brush, of the core bar, a piston is embedded in the piston recessed channel, the piston and the cavity wall of an outer sleeve cavity of the outer sleeve are in sealing fit, a sleeve seat is movably sleeved at the other end of the core bar, and one end, facing the handle, of the outer sleeve extends into and is matched with a sleeve seat cavity of the sleeve seat. The uterus sampling apparatus has the advantages that no pain and wound is generated, and the guide head has a good painless guide function; limitation in uterus sampling can be avoided; good sampling effect is guaranteed; and the uterus sampling apparatus is quite convenient to operate and time-saving.
Description
Technical field
This utility model belongs to the medical devices technical field, is specifically related to a kind of uterus sampler, is 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 utility model 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 utility model 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 utility model, 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 utility model, the shape of described guide head is spheroidal.
In another specific embodiment of the present utility model, constitute anti-skidding flange at described operating grip.
In another specific embodiment of the present utility model, the quantity in the recessed road of described piston has one or a pair of.
Also have in the specific embodiment of the present utility model, 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 utility model 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 utility model and then specific embodiment, described trocar sheath is provided with scale mark.
Of the present utility model again more and in specific embodiment, described trocar sheath is transparent.
In again of the present utility model and then specific embodiment, described piston is rubber ring.
The technical scheme that this utility model provides 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 example structure figure of the present utility model.
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 utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to this utility model scheme to the description of embodiment, any according to this utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
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.
The technical essential of the technical scheme that provides as this utility model, 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 this utility model 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, this utility model structure 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, the technical scheme that this utility model provides 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178859 CN203153815U (en) | 2013-04-11 | 2013-04-11 | Uterus sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178859 CN203153815U (en) | 2013-04-11 | 2013-04-11 | Uterus sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203153815U true CN203153815U (en) | 2013-08-28 |
Family
ID=49015047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178859 Expired - Lifetime CN203153815U (en) | 2013-04-11 | 2013-04-11 | Uterus sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203153815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202716A (en) * | 2013-04-11 | 2013-07-17 | 上海宇度医学科技股份有限公司 | Uterus sampler |
| TWI502067B (en) * | 2013-12-10 | 2015-10-01 | Nat Univ Tsing Hua | Clinical specimen sampler and method thereof |
| CN105496468A (en) * | 2015-12-03 | 2016-04-20 | 山东艾维夫生物科技有限公司 | Endometrium sampling device |
-
2013
- 2013-04-11 CN CN 201320178859 patent/CN203153815U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202716A (en) * | 2013-04-11 | 2013-07-17 | 上海宇度医学科技股份有限公司 | Uterus sampler |
| 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 |
| TWI502067B (en) * | 2013-12-10 | 2015-10-01 | Nat Univ Tsing Hua | Clinical specimen sampler and method thereof |
| CN105496468A (en) * | 2015-12-03 | 2016-04-20 | 山东艾维夫生物科技有限公司 | Endometrium sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |