CN219070413U - Variable length endometrial sampler - Google Patents
Variable length endometrial sampler Download PDFInfo
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- CN219070413U CN219070413U CN202223020180.9U CN202223020180U CN219070413U CN 219070413 U CN219070413 U CN 219070413U CN 202223020180 U CN202223020180 U CN 202223020180U CN 219070413 U CN219070413 U CN 219070413U
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- endometrial
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- 230000002357 endometrial effect Effects 0.000 title claims abstract description 53
- 210000004291 uterus Anatomy 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims description 32
- 230000035515 penetration Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 210000004696 endometrium Anatomy 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 2
- 238000005070 sampling Methods 0.000 description 33
- 210000003679 cervix uteri Anatomy 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 208000002495 Uterine Neoplasms Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 206010046766 uterine cancer Diseases 0.000 description 2
- 206010014733 Endometrial cancer Diseases 0.000 description 1
- 206010014759 Endometrial neoplasm Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004996 female reproductive system Anatomy 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a variable-length endometrium sampler which comprises a connecting rod, a brush head, a limiting ball, a handle and a protection tube. The axial both ends of connecting rod are pole top and pole bottom respectively, and the week side of the one section of connecting rod that is close to the pole bottom has set gradually a plurality of first joint structures along the axial of connecting rod. The handle is the plastic material, and its inside is provided with the holding tank that extends along its axial, and the one section activity that is close to the pole bottom of connecting rod inserts in locating the holding tank, and the lateral wall of holding tank has set gradually a plurality of second joint structures with the activity joint that first joint structure matches along the axial of handle. The protection tube is movably sleeved on the connecting rod. According to the variable-length endometrial sampler, the first clamping structure is in positioning clamping connection with the plurality of different second clamping structures, and when the endometrial sampler stretches into the uterus of different depths and the protection tube exits to be in abutting connection with the handle, the protection tube can be located at a reasonable position in the uterus.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a variable-length endometrium sampler.
Background
Uterine cancer, also known as endometrial cancer or uterine cancer, is a common cancer in the female reproductive system. In order to be able to find early, regular checks are required. The disposable endometrium sampling brush is usually used for stretching the brush hair into the uterus to a certain depth during examination, scraping mucosa fragments on the uterine wall for sampling, and detecting by a professional technical means to determine whether lesions exist. Referring to fig. 1, the female's intrauterine space is divided into an upper uterine cavity 101 and a lower cervical 102, and an endometrial sampling brush is to brush a sample on the inner wall of the uterine cavity 101.
Referring to fig. 2, the prior art endometrium sampling brush comprises a connecting rod 203, a bristle, a limiting ball 201, a protecting tube 202 and a handle 204, wherein the bristle is arranged on a section of the top of the connecting rod 203. When the uterine endometrium sampling brush is used, the protection tube 202 is firstly abutted with the limiting ball 201, then one section of the top of the uterine endometrium sampling brush is stretched into the uterine cavity, and then the protection tube 202 is pulled down to be abutted with the handle 204, so that the brush head is positioned outside the protection tube 202 for rotary sampling, and after sampling, the protection tube 202 is pushed upwards again, so that the protection tube 202 is abutted with the limiting ball 201, and samples on the brush head are protected and sealed. However, women of different regions and ages have different uterine depths, i.e. the depth to which the endometrial sampling brush is required to extend into the uterus of different women is different when taking a sample.
When the protecting tube 202 is abutted against the handle 204, a section of the protecting tube 202 needs to be kept in the cervix 102, if the distance of the protecting tube 202 is too long, the protecting tube 202 is completely withdrawn from the cervix 102, and when the protecting tube 202 is pushed again after sampling, the protecting tube 202 is extruded to the inner wall of the cervix 102, so that a testee feels uncomfortable; if the distance the protective tube 202 is withdrawn is short, the bristles may not be completely detached from the shielding of the protective tube 202, affecting the sampling. However, when the protection tube 202 is abutted against the limit ball 201, the distance between the bottom end of the protection tube 202 and the handle 204 is fixed, so that the distance by which the protection tube 202 is withdrawn is always fixed regardless of the depth of the penetration of the endometrium sampling brush into the uterus. The length of protective tube 202 remaining within cervix 102 is the difference between the depth to which the endometrial sampling brush extends and the distance from which protective tube 202 exits. The prior art endometrial sampling brush has a fixed withdrawal distance of the protective tube 202, and when the endometrial sampling brush is extended into the uterus of different depths, the protective tube 202 cannot be withdrawn to a reasonable position.
It is desirable to provide a variable length endometrial sampler to address the above-mentioned problems.
Disclosure of Invention
The utility model provides a variable-length endometrium sampling device, which solves the technical problem that the distance of the protection tube of an endometrium sampling brush in the prior art is fixed, and when the endometrium sampling brush stretches into the uterus with different depths, the protection tube cannot be retracted to a reasonable position.
The technical scheme of the utility model is as follows:
a variable length endometrial sampler comprising:
the connecting rod is in a straight strip shape, the two axial ends of the connecting rod are respectively a rod top end and a rod bottom end, and a first clamping structure is arranged on the periphery of a section of the connecting rod, which is close to the rod bottom end;
a bristle arranged on the connecting rod near a section of the rod top;
a limit ball fixed on the top end of the rod;
the handle is made of plastic, an accommodating groove extending along the axial direction of the handle is formed in the handle, a section of the connecting rod, which is close to the bottom end of the rod, is movably inserted into the accommodating groove, and a plurality of second clamping structures matched with the first clamping structures in a movable clamping manner are sequentially arranged on the side wall of the accommodating groove along the axial direction of the handle; the method comprises the steps of,
the protection tube is movably sleeved on the connecting rod, when the protection tube is abutted with the limiting ball, the protection tube is sleeved outside the brush head, and when the protection tube is abutted with the handle, the brush head is positioned outside the protection tube.
In the variable-length endometrial sampler, the first clamping structure is in a protruding shape; the second clamping structure is concave and matched with the first clamping structure.
In the variable-length endometrial sampler, the connecting rod is cylindrical, and the first clamping structure is annular extending along the circumferential direction of the connecting rod;
the holding groove be with the cylindric of connecting rod matching, a plurality of second joint structure all be with first joint structure matched annular.
In the variable-length endometrium sampler, the handle is made of silica gel.
In the variable length endometrial sampler of the utility model, the handle is transparent.
In the variable length endometrial sampler according to the utility model, the diameter dimension of said receiving groove gradually decreases from the end remote from the rod tip to the end near the rod tip.
In the variable-length endometrial sampler provided by the utility model, one first clamping structure is arranged, and three second clamping structures are arranged.
In the variable-length endometrial sampler, when the endometrial sampler stretches into uterine cavities with different depths and the protection tube is abutted with the handle, the length of the protection tube in the uterus with different depths is L, and L is more than or equal to 0.5cm and less than or equal to 1.5cm.
In the variable-length endometrial sampler of the utility model, the protection tube is provided with a plurality of marking lines along the axial direction thereof for indicating the depth of extending into the uterus.
In the variable-length endometrial sampler, a plurality of the identification lines are all fluorescent.
Compared with the prior art, the utility model has the beneficial effects that: according to the variable-length endometrial sampler, the first clamping structure is in positioning clamping connection with the plurality of different second clamping structures along the axial direction of the handle, when the protective tube is in abutting connection with the limiting ball, the distance between one end, close to the handle, of the protective tube and the handle is adjustable, and further when the endometrial sampler stretches into uterus with different depths, and the protective tube exits from being in abutting connection with the handle, the protective tube can be located at a reasonable position in the uterus.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments are briefly described below, and the drawings in the following description are only drawings corresponding to some embodiments of the present utility model.
Fig. 1 is a schematic structural diagram of a female uterus.
Fig. 2 is a schematic structural view of an endometrium sampling brush according to the prior art.
Fig. 3 is a schematic structural view of an endometrial sampler according to a preferred embodiment of the present utility model.
Fig. 4 is a schematic structural view showing another use state of the endometrial sampler according to the preferred embodiment of the present utility model.
Fig. 5 is a schematic cross-sectional structure of one of the clamping states of the connecting rod and the handle of the endometrial sampler according to the preferred embodiment of the present utility model.
Fig. 6 is a schematic cross-sectional view of a second clamping state of the connecting rod and the handle of the endometrial sampler according to the preferred embodiment of the present utility model.
Fig. 7 is a schematic cross-sectional view illustrating a third clamping state of the connecting rod and the handle of the endometrial sampler according to the preferred embodiment of the present utility model.
Fig. 8 is a schematic cross-sectional structure of a handle of an endometrial sampler provided in a preferred embodiment of the utility model.
Wherein,,
the identifications of fig. 1 and 2 are as follows:
101. the uterine cavity, 102, the cervix uteri,
201. a limit ball 202, a protection tube 203, a connecting rod 204 and a handle.
The labels of fig. 3-8 are as follows:
11. a connecting rod 111, a rod top end 112, a rod bottom end 113, a first clamping structure,
12. the hair-brush head is provided with a brush head,
13. the limiting ball is arranged on the upper surface of the limiting ball,
14. a handle, 141, a containing groove, 142 and a second clamping structure,
15. protection tube, 151, identification line.
In the drawings, like structural elements are denoted by like reference numerals.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms of directions used in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", "top" and "bottom", are used for explaining and understanding the present utility model only with reference to the orientation of the drawings, and are not intended to limit the present utility model.
The words "first," "second," and the like in the terminology of the present utility model are used for descriptive purposes only and are not to be construed as indicating or implying relative importance and not as limiting the order of precedence.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 2, the prior art endometrium sampling brush comprises a connecting rod 203, a bristle, a limiting ball 201, a protecting tube 202 and a handle 204, wherein the bristle is arranged on a section of the top of the connecting rod 203. When the uterine endometrium sampling brush is used, the protection tube 202 is firstly abutted with the limiting ball 201, then one section of the top of the uterine endometrium sampling brush is stretched into the uterine cavity, and then the protection tube 202 is pulled down to be abutted with the handle 204, so that the brush head is positioned outside the protection tube 202 for rotary sampling, and after sampling, the protection tube 202 is pushed upwards again, so that the protection tube 202 is abutted with the limiting ball 201, and samples on the brush head are protected and sealed. However, women of different regions and ages have different uterine depths, i.e. the depth to which the endometrial sampling brush is required to extend into the uterus of different women is different when taking a sample.
When the protecting tube 202 is abutted against the handle 204, a section of the protecting tube 202 needs to be kept in the cervix 102, if the distance of the protecting tube 202 is too long, the protecting tube 202 is completely withdrawn from the cervix 102, and when the protecting tube 202 is pushed again after sampling, the protecting tube 202 is extruded to the inner wall of the cervix 102, so that a testee feels uncomfortable; if the distance the protective tube 202 is withdrawn is short, the bristles may not be completely detached from the shielding of the protective tube 202, affecting the sampling. However, when the protection tube 202 is abutted against the limit ball 201, the distance between the bottom end of the protection tube 202 and the handle 204 is fixed, so that the distance by which the protection tube 202 is withdrawn is always fixed regardless of the depth of the penetration of the endometrium sampling brush into the uterus. The length of protective tube 202 remaining within cervix 102 is the difference between the depth to which the endometrial sampling brush extends and the distance from which protective tube 202 exits. The prior art endometrial sampling brush has a fixed withdrawal distance of the protective tube 202, and when the endometrial sampling brush is extended into the uterus of different depths, the protective tube 202 cannot be withdrawn to a reasonable position.
The following is a preferred embodiment of a variable length endometrial sampler that solves the above technical problem. Referring to fig. 3 to 8, a preferred embodiment of the present utility model provides a variable length endometrial sampler comprising a connecting rod 11, a bristle 12, a limit ball 13, a handle 14 and a protective tube 15. The connecting rod 11 is in a straight strip shape, two axial ends of the connecting rod are respectively a rod top end 111 and a rod bottom end 112, and a first clamping structure 113 is arranged on the periphery of a section of the connecting rod 11, which is close to the rod bottom end 112. The bristles 12 are arranged on a section of the connecting rod 11 near the rod tip 111. The limit ball 13 is fixed to the rod tip 111. The handle 14 is made of plastic material, an accommodating groove 141 extending along the axial direction thereof is formed in the handle, a section of the connecting rod 11, which is close to the bottom end 112 of the rod, is movably inserted into the accommodating groove 141, and a plurality of second clamping structures 142 matched with the first clamping structures 113 are sequentially arranged on the side wall of the accommodating groove 141 along the axial direction of the handle 14. The protection tube 15 is movably sleeved on the connecting rod 11, when the protection tube 15 is abutted with the limiting ball 13, the protection tube 15 is sleeved outside the brush head 12, and when the protection tube 15 is abutted with the handle 14, the brush head 12 is positioned outside the protection tube 15.
According to the variable-length endometrial sampler, the first clamping structures 113 are in positioning clamping connection with the plurality of different second clamping structures 142 along the axial direction of the handle 14, when the protection tube 15 is in abutting connection with the limiting ball 13, the distance between one end, close to the handle 14, of the protection tube 15 and the handle 14 is adjustable, and further when the endometrial sampler stretches into uterus with different depths, and the protection tube 15 is out of abutting connection with the handle 14, the protection tube 15 can be located at a reasonable position in the uterus.
Referring to fig. 5-8, the first clamping structure 113 is protruding. The second clamping structure 142 is concave and matched with the first clamping structure 113. Since the connection rod 11 is relatively thin, the first clamping structure 113 is provided in a convex shape, and the strength of the connection rod 11 can be enhanced. The second clamping structure 142 is concave, so that the elasticity of the handle 14 can be enhanced, and the connecting rod 11 can be conveniently inserted into the handle 14. In other embodiments, the first clamping structure 113 may be configured as a concave shape, and the second clamping structure 142 may be configured as a convex shape matching the first clamping structure 113.
With continued reference to fig. 5-8, the connecting rod 11 is cylindrical, and the first engaging structure 113 is annular extending along the circumferential direction of the connecting rod 11. The receiving groove 141 is cylindrical and matched with the connecting rod 11, and the plurality of second clamping structures 142 are annular and matched with the first clamping structures 113. With the above structure, the connecting rod 11 is conveniently inserted into the accommodating groove 141 in a aligned manner, and the first clamping structure 113 is also conveniently inserted into the second clamping structure 142 in a different manner in a aligned manner.
The handle 14 is a handle 14 made of silica gel. With this structure, the handle 14 has a relatively high elasticity, so that the first clamping structure 113 and the second different clamping structure 142 can be movably clamped.
The handle 14 is transparent. With this structure, it can be seen visually from the outside which second clamping structure 142 of which gear the first clamping structure 113 is clamped with, so that different gears can be selected according to the uterus of different depths.
In other embodiments, the diameter of the receiving groove 141 decreases in size from one end distal from the rod tip 111 to one end proximal to the rod tip 111. The section of the receiving groove 141 near the opening thereof is more elastic and is also more subject to fatigue deformation. With the above-described structure, the receiving groove 141 can be made to maintain the same deformability along its axial direction so as to clamp the connecting rod 11 more tightly.
Referring to fig. 5-8, the number of first clamping structures 113 is one, and the number of second clamping structures 142 is three. Referring to fig. 5, when the first clamping structure 113 is clamped with the second clamping structure 142 at the lowest position, the depth of the female uterus is 6cm-8cm, and the female uterus can be correspondingly extended to the depth of 6 cm; referring to fig. 6, when the first clamping structure 113 is clamped with the second clamping structure 142 in the middle, the first clamping structure can correspond to the condition that the depth of extension is 7 cm; referring to fig. 7, when the first clamping structure 113 is clamped with the second clamping structure 142 at the top, the first clamping structure can correspond to the situation that the depth of penetration is 8 cm. The number of the first clamping structures 113 is one, the number of the second clamping structures 142 is three, the use requirement can be met, and the structure is simplified to the greatest extent.
Please refer to fig. 5-8, and fig. 4. When the endometrial sampler stretches into uterine cavities with different depths and the protection tube 15 is abutted against the handle 14, the length of the protection tube 15 in the uterus with different depths is L, and L is more than or equal to 0.5cm and less than or equal to 1.5cm. When the protective tube 15 is withdrawn, the protective tube 15 should remain in the uterus for a certain length, but not be too long, otherwise the bristles 12 would be blocked. The length of the protective tube 15 in the uterus at different depths is between 0.5cm and 1.5cm, without leaving the uterus and without shielding the bristles 12. In fig. 5, the first clamping structure 113 is clamped with the second clamping structure 142 at the lowest position, when the protecting tube 15 is abutted with the handle 14, the distance between the bottom end of the protecting tube 15 and the top end of the handle 14 is L1,4.5cm < L1 < 5.5cm, and when the extending depth is 6cm, 0.5cm < L < 1.5cm; in FIG. 6, the first engaging structure 113 engages with the second engaging structure 142 in the middle, when the protective tube 15 abuts against the handle 14, the distance between the bottom end of the protective tube 15 and the top end of the handle 14 is L2,5.5 cm. Ltoreq.L2.ltoreq.6.5 cm, and when the depth of penetration is 7cm, 0.5 cm. Ltoreq.L.ltoreq.1.5 cm; in fig. 7, the first engaging structure 113 engages with the uppermost second engaging structure 142, and when the protective tube 15 abuts against the handle 14, the distance between the bottom end of the protective tube 15 and the top end of the handle 14 is L3, and L3 is 6.5 cm.ltoreq.l3.ltoreq.cm7.5, and when the depth of penetration is 8cm, L is 0.5 cm.ltoreq.l1.5cm.
Referring to fig. 3, the protective tube 15 is provided with a plurality of identification lines 151 for indicating the depth of penetration into the uterus along its axial direction. By adopting the structure, an operator can conveniently select proper extending depth according to the uterus with different depths.
The plurality of identification lines 151 are each fluorescent. With this structure, the operator can easily recognize different identification lines 151.
The working principle of the variable length endometrial sampler of the preferred embodiment of the utility model:
1. when the first clamping structure 113 is required to extend into the uterus by 6cm, the first clamping structure is adjusted to be clamped with the lowest second clamping structure 142; when the first clamping structure 113 needs to extend into the uterus by 7cm, the first clamping structure 113 is adjusted to be clamped with the middle second clamping structure 142; when the first clamping structure 113 is required to extend into the uterus by 8cm, the first clamping structure 113 is adjusted to be clamped with the uppermost second clamping structure 142;
2. the protection tube 15 is abutted with the limit ball 13, then a section of the top of the endometrium sampler stretches into the uterine cavity, then the protection tube 15 is pulled down to be abutted with the handle 14, so that the brush head 12 is positioned outside the protection tube 15 for rotary sampling, when the first clamping structure 113 is clamped with the second clamping structure 142 at the lowest position, the pull-down distance of the protection tube 15 is relatively short, when the first clamping structure 113 is clamped with the second clamping structure 142 at the highest position, the pull-down distance of the protection tube 15 is relatively long, and therefore, when the endometrium sampler stretches into the uterus at different depths, the pull-down distance of the protection tube 15 can be adjusted, and the protection tube 15 can be positioned in the uterus at proper lengths under different use conditions;
3. after the sampling is completed, the protection tube 15 is pushed upwards again, so that the protection tube 15 is abutted against the limit ball 13 to protect and seal the sample on the brush head 12, and finally the endometrial sampler is taken out from the uterus.
This completes the use of the variable length endometrial sampler of the preferred embodiment.
According to the variable-length endometrial sampler, the first clamping structure is in positioning clamping connection with the plurality of different second clamping structures along the axial direction of the handle, when the protective tube is in abutting connection with the limiting ball, the distance between one end, close to the handle, of the protective tube and the handle is adjustable, and further when the endometrial sampler stretches into uterus with different depths, and the protective tube exits from being in abutting connection with the handle, the protective tube can be located at a reasonable position in the uterus.
In summary, although the present utility model has been described with reference to the preferred embodiments, the scope of the utility model is not limited thereto, and any person skilled in the art who is skilled in the art should make equivalent substitutions or modifications according to the technical scheme of the present utility model within the scope of the present utility model.
Claims (10)
1. A variable length endometrial sampler comprising:
the connecting rod is in a straight strip shape, the two axial ends of the connecting rod are respectively a rod top end and a rod bottom end, and a first clamping structure is arranged on the periphery of a section of the connecting rod, which is close to the rod bottom end;
a bristle arranged on the connecting rod near a section of the rod top;
a limit ball fixed on the top end of the rod;
the handle is made of plastic, an accommodating groove extending along the axial direction of the handle is formed in the handle, a section of the connecting rod, which is close to the bottom end of the rod, is movably inserted into the accommodating groove, and a plurality of second clamping structures matched with the first clamping structures in a movable clamping manner are sequentially arranged on the side wall of the accommodating groove along the axial direction of the handle; the method comprises the steps of,
the protection tube is movably sleeved on the connecting rod, when the protection tube is abutted with the limiting ball, the protection tube is sleeved outside the brush head, and when the protection tube is abutted with the handle, the brush head is positioned outside the protection tube.
2. The variable length endometrial sampler of claim 1, wherein said first snap-fit structure is convex; the second clamping structure is concave and matched with the first clamping structure.
3. The variable length endometrial sampler of claim 2, wherein said connecting rod is cylindrical and said first snap-fit structure is annular extending circumferentially of said connecting rod;
the holding groove be with the cylindric of connecting rod matching, a plurality of second joint structure all be with first joint structure matched annular.
4. The variable length endometrial sampler of claim 1, wherein said handle is a silicone handle.
5. The variable length endometrial sampler of claim 4, wherein said handle is transparent.
6. The variable length endometrial sampler of claim 1, wherein the diameter dimension of said receiving groove tapers from an end distal to said rod tip to an end proximal to said rod tip.
7. The variable length endometrial sampler of claim 1, wherein said first clamping arrangement is one and said second clamping arrangement is three.
8. The variable length endometrial sampler of claim 1, wherein when the endometrial sampler extends into uterine cavities of different depths and the protective tube abuts the handle, the length of the protective tube in the uterus of different depths is L,0.5cm ∈l ∈1.5cm.
9. The variable length endometrial sampler of claim 1, wherein said protective tube is provided with a plurality of identification lines along its axis for indicating the depth of penetration into the uterus.
10. The variable length endometrial sampler of claim 9, wherein a plurality of said identification lines are each fluorescent.
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CN202223020180.9U CN219070413U (en) | 2022-11-11 | 2022-11-11 | Variable length endometrial sampler |
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CN202223020180.9U CN219070413U (en) | 2022-11-11 | 2022-11-11 | Variable length endometrial sampler |
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