CN102920495B - Uterine cavity cutter knife and connecting method of uterine cavity cutter knife - Google Patents
Uterine cavity cutter knife and connecting method of uterine cavity cutter knife Download PDFInfo
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- CN102920495B CN102920495B CN201210474604.0A CN201210474604A CN102920495B CN 102920495 B CN102920495 B CN 102920495B CN 201210474604 A CN201210474604 A CN 201210474604A CN 102920495 B CN102920495 B CN 102920495B
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- 208000014674 injury Diseases 0.000 abstract 1
- 238000013461 design Methods 0.000 description 22
- 238000005520 cutting process Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 7
- 208000028685 Asherman syndrome Diseases 0.000 description 6
- 201000001389 adhesions of uterus Diseases 0.000 description 6
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- 210000003679 cervix uteri Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
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Abstract
The invention discloses a uterine cavity cutter knife, which solves problems of complicated structure, difficult operation, large injury, long operation time and expensive cost and the problem that the damage can be caused easily of using hard shears or semi-hard shears in the prior art. The uterine cavity cutter knife mainly consists of an operating rod (1), a handle (2) and a cutter blade (3), wherein the handle (2) is arranged at the first end part of the operating rod (1), and the cutter blade (3) is arranged at and detachably connected to the second end part of the operating rod (1), the included angle between the cutter point of the cutter blade (3) and the operating rod (1) is 45-90 degrees; and the cutter blade (3) is in detachably connected with the operating rod (1) through a card slot or/and threads. On the basis of the structure, the invention also discloses a connecting method of the uterine cavity cutter knife. The uterine cavity cutter knife is simple in structure, low in cost and easy in operation, thereby being suitable for popularization.
Description
Technical field
What the present invention relates to is operational tool, specifically, is a kind of uterine cavity cutter and attaching method thereof.
Background technology
Intrauterine adhesion is to cause one of infertile common factors, intrauterine adhesion advocates to carry out the cutting of intrauterine adhesion with " cryoprobe " more at present, but, " cryoprobe " that in prior art, do not have truly divides sticky for uterine cavity, doctor is in the time performing the operation, and general employing is firmly cut or semihard is cut replacement " cryoprobe ".
Use while firmly cutting operation, normally will firmly cut and be fixed on uteroventral operation mirror, because operation mirror sheath bore is larger, so, when operation, need cervix dilating to 10 probe, not only strengthen operation and implemented difficulty, and also larger to patient's cervix uteri damage; And the structure that semihard is cut is as shown in Figure 1, it is core arrangement, inner core one end attended operation handle, and the other end connects shears, then coordinates uterine cavity inspectoscope to carry out operation technique.This shears is expensive, one the price of shears more than ten thousand yuan, and operation is very difficult, operating time is longer, requires very high to operator's skill; And this kind of semihard cut easy damage, only can do five routine left and right operations, shears just becomes and times or fracture, not only grow maintenance time, be inconvenient to safeguard, and maintenance, maintenance cost are also more expensive, and then the price that causes performing the operation can be in any more yet, brings serious financial burden to most of SF.
On the other hand, firmly cut or semihard is cut Reusability for one, especially it is responsible for the shears portion of groundwork, because it can directly contact uterine cavity inner tissue (adhesion), inevitably has antibacterial or virus and is attached to shears portion, although current disinfection technology is very advanced, Disinfection Effect is also comparatively thorough, still, cannot accomplish that a people one changes, for patient and doctor, there is equally potential safety hazard.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, a kind of uterine cavity cutter simple in structure, with low cost, easy to operate, more Wicresoft are provided.
To achieve these goals, the technical solution used in the present invention is as follows:
Uterine cavity cutter, mainly by action bars, are arranged on the handle of action bars first end, and are arranged on the blade composition of action bars the second end detachable connection with it.
Meanwhile, the angle between the knife edge and the action bars of described blade is 45 °～90 °.
Specifically, described blade is connected with action bars is detachable by the connected mode of screw thread, draw-in groove or the two combination.
As a kind of optimal way, the connected mode that the present invention selects screw thread to combine with draw-in groove, detailed says, and described action bars the second end is hollow form, and its port position is provided with draw-in groove, and is also provided with female thread on the action bars inwall of draw-in groove below.
Further, described draw-in groove by along joystick shaft to arrange the first draw-in groove, and one end be communicated with first draw-in groove one end and be obliquely installed along action bars outer wall second draw-in groove form; Wherein, the angle between the second draw-in groove and the first draw-in groove is greater than 90 ° and be less than 180 °, and the second draw-in groove other end end is also provided with locating groove, and the port of the described first draw-in groove other end and action bars the second end port are positioned at same plane.
On the basis of said structure, described blade comprises connecting portion, and with the angle of connecting portion be 45 °～90 ° and be fastenedly connected with its one end, sweeping blade; Wherein, on the outer wall of the connecting portion other end, be provided with the external screw thread mating with described female thread, and be positioned at external screw thread top position place at this end and be also provided with the cylindricality fastener that coordinates clamping with described draw-in groove.
Blade is mainly divided into two kinds, and wherein one is blade structure: described blade is hook-type cutter, and its knife edge is positioned at the inner side of blade.
Structure as another blade: described blade is curved knife, and its knife edge is positioned at the outside of blade.
As a kind of optimal way, described cylindricality fastener is made up of the fastener body being arranged on connecting portion, and the end of fastener body flushes with externally threaded outer ring; As another optimal way, or described cylindricality fastener is made up of a straight-bar that runs through connecting portion, and the length of this straight-bar equals external thread diameter.
On the basis of said structure, the present invention also provides the method for attachment of uterine cavity cutter, and it comprises the following steps: first, and by the hollow position of connecting portion update bar second end of blade; Then, the cylindricality fastener on connecting portion moves along the first draw-in groove of draw-in groove; Finally, in the time moving to the first draw-in groove bottom, rotating blade, now, cylindricality fastener moves along the second draw-in groove of draw-in groove, and the external screw thread being arranged on connecting portion cooperatively interacts and be rotatably connected with the female thread on action bars inwall, and cylindricality fastener moves to the end of the second draw-in groove, cylindricality fastener automatic rebounding, to locating groove, is realized location clamping.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention has overcome the existing dependence on import of firmly cutting, damage the defects such as large, and break the core arrangement design that semihard is cut, dare to blaze new trails, dare to innovate, do not follow those skilled in the art's conventional thought, Fan Qi road capable it, action bars and blade are separated to design, blade is connected on action bars by detachable, action bars is durable in use, an action bars can be equipped with multiple blade, to be suitable for the different patient's condition, blade can accomplish that a people one changes, not only keep operation to use the sharp of blade, and avoid the cross infection between patient completely, effectively ensure patient and doctor's safety,
(2) tradition is cut firmly needs to coordinate uteroventral operation mirror to use, and uteroventral operation mirror sheath bore is larger, and the present invention realizes and under uterine cavity inspectoscope, carries out operation technique, without re-using uteroventral operation mirror, thus the damage of the cutting operation of minimizing intrauterine adhesion to cervix uteri;
(3) special design of the present invention two kinds of blades, one is hook-type cutter, another kind is curved knife, so that the cutting of uterine cavity different parts and hook are got intrauterine device or uterine cavity foreign body, and the design of blade is more conducive to doctor and performs the operation, greatly simplify operation, shortened operating time, made doctor apply the present invention convenient, simple;
(4) in the present invention, blade passes through screw thread, draw-in groove, the two combination or other connected mode, realize and being connected with the detachable of action bars, can select different connected modes according to actual production material, its connected mode variation, in ensureing product efficacy, be very easy to the manufacture of product, for its scale, mass production are laid a good foundation;
(5) as a kind of optimal way, in the present invention, blade, by the connected mode of draw-in groove and screw thread combination, is realized and being connected with the detachable of action bars, on the one hand, this kind of connected mode desired structure is simple, be convenient to processing, on the other hand, blade when draw-in groove and screw thread are combined with is firmly fixed on action bars, effectively avoid blade in use to rock, carrying out smoothly of impact operation, even blade comes off in uterine cavity, jeopardizes patient safety;
(6) the present invention cuts or compared with semihard cuts firmly with traditional, there is substantive distinguishing features and marked improvement, and its material therefor is common material, cost is far below firmly cutting or semihard is cut, and one only needs 1,000 RMB left and right action bars and blade, not only possesses very high practicality, and, by independent research, thoroughly break the situation that this field is monopolized by foreign technology, for vast infertile patient has brought Gospel, promote the development of Medical Technology.
Brief description of the drawings
Fig. 1 is the structural representation that semihard is cut.
Fig. 2 is the structural representation of the present invention-embodiment 1.
Fig. 3 is the structural representation of hook-type cutter in the present invention.
Fig. 4 is the structural representation of uterine cavity inspectoscope sheath.
Fig. 5 is the structural representation that checks mirror.
Fig. 6 is the structural representation of the present invention-embodiment 2.
Fig. 7 is the structural representation of curved knife in invention.
Fig. 8 is the partial schematic diagram of action bars in invention.
Fig. 9 is the structural representation of draw-in groove in invention.
In above-mentioned accompanying drawing, the name that Reference numeral is corresponding is called: 1-action bars, 2-handle, 3-blade, 4-draw-in groove, 5-female thread, 6-connecting portion, 7-external screw thread, 8-cylindricality fastener, 9-hook-type cutter, 10-curved knife, 11-handle hole, 12-uterine cavity inspectoscope sheath port, 13-locating groove.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1
Firmly cut or semihard is cut and coordinated uteroventral operation mirror or uterine cavity inspectoscope to use, use very generally in intrauterine adhesion cutting operation at present, wherein use semihard to cut to implement the operation of operation more firmly to cut simply, patient is injured very little, therefore, the application that semihard is cut is more extensive.But it is very expensive that semihard is cut price, and as shown in Figure 1, the core arrangement design that semihard is cut is very unstable, operating difficulties, and operating time is long, easily damage, its many defects and restriction, caused the cutting operation difficulty, expensive of current intrauterine adhesion.Those skilled in the art and expert are devoted to the R&D work for the novel operation apparatus of uterine cavity cutting operation for many years always, but, these R&D directions are all to cut as basis with existing semihard, carry out around core arrangement and shears always, its ultimate principle and structural design do not obtain very large breakthrough, and imitated product is also difficult to be applied in actual operation.The present embodiment dares to breaking the mentality of designing that this area is used to have, inner core that semihard cuts and the design of scissor construction are thoroughly cast aside, special design the very strong blade of multiple specific aim replace shears, then by blade by the detachable action bars that is connected in, its concrete structure as shown in Figure 2, uterine cavity cutter, mainly by action bars 1, are arranged on the handle 2 of action bars 1 first end, and be arranged on action bars 1 the second end and with it the blade 3 of detachable connection form.An action bars can be equipped with multiple blade, and to be suitable for the different patient's condition, and blade is disposable blade, can accomplish that a people one changes, not only keep operation to use the sharp of blade, and avoided the cross infection between patient completely, effectively ensured patient and doctor's safety.
Specifically, action bars 1 is cylindrical structural, length is about 31cm, its material is harder, and there is certain toughness, so that its insertion of handle hole from uterine cavity inspectoscope, and convenient operation in operation process, and handle 2 length that are arranged on action bars 1 one end are about 5cm, its shape can be the shape of rectangle, square, bionical palm or other convenient operation.For the ease of producing, processing the connected mode variation between blade 3 and action bars 1; Usually, blade 3 passes through the connected mode of bolt, screw thread, draw-in groove or the two combination, as: action bars the second end is designed to the female hollow form of tool, simultaneously, connected blade one end is designed to external thread structure, then, connects by the cooperation between this screw thread; Or, adopt the version of existing clamping lamp socket, blade is connected with action bars; Or, under the prerequisite allowing in process technology, by push button clamping; one end of blade is fastened in action bars, realizes and being connected with the detachable of action bars 1, in ensureing product efficacy; be very easy to the manufacture of product, for its scale, mass production are laid a good foundation.
On the basis of said structure, the angle between the knife edge of blade 3 and action bars 1 is 45 °～90 °, and blade 3 is specifically made up of two parts, a part is the connecting portion 6 being connected with action bars 1, this connecting portion is cylindrical structural, and surface is coarse twill face, is convenient to pliers gripping and screws; Another part is the blade part specifically for work; Wherein, when mounted, in same straight line, the angle of blade and between connecting portion 6 is 45 °～90 ° to connecting portion 6 with action bars 1.As a kind of optimal way, blade partial design is curved shape, in the present embodiment, blade is designed to hook-type cutter 9, the concrete structure of hook-type cutter 9 as shown in Figure 3, its knife edge is positioned at the inner side of blade, be about 0.5cm, the angle of the knife edge and vertical direction is 0 °～15 °, and the angle of the knife back and connecting portion 6 is taking 12 ° as good (being the angle between the two axis).Hook-type cutter 9 is mainly used in cutting the adhesion of uterine cavity both sides, its design principle is: the structural representation that Fig. 4,5 is uterine cavity inspectoscope, action bars in uterine cavity cutter is from the interior insertion of handle hole 11 of uterine cavity inspectoscope, connect blade at mirror sheath distal, enter in uterine cavity process at equipment, for fear of knife edge incised wound cervical canal tissue, so, now need the knife edge to draw in, specific practice is that the knife edge is as far as possible close at uterine cavity inspectoscope sheath port one 2, enter after uterine cavity completely until equipment, then along radially activity operations bar 1 of uterine cavity inspectoscope, carry out adhesion cutting.Therefore, the design of the hook-type cutter knife edge need be when pulling back, and the knife edge is as far as possible near being principle at uterine cavity inspectoscope sheath port one 2.It should be noted that, on the basis of above-mentioned design principle, the global design of blade, in conjunction with the present embodiment, for blade designs, the knife edge designs, and the change of the knife edge and connecting portion 6 angles is all in protection scope of the present invention.
As a kind of optimal way, the connected mode that the present embodiment adopts screw thread and draw-in groove to combine, by action bars and the blade of this kind of connected mode, be connected firmly, effectively avoid blade in use to rock, carrying out smoothly of impact operation, even blade comes off in uterine cavity, jeopardizes patient safety.The structural design of the two is as follows: as shown in Figure 8,9, action bars 1 second end is hollow form, and hollow diameters is about 0.07cm, and wall thickness is about 0.03cm, be provided with draw-in groove 4, and action bars 1 inwall of draw-in groove 4 belows is provided with female thread 5 in its port position; Wherein, draw-in groove 4 is by the first draw-in groove axially arranging along action bars 1, and one end is communicated with first draw-in groove one end and along the second oblique draw-in groove composition of action bars, the port of the first draw-in groove other end and action bars 1 second end port are positioned at same plane; Because blade is connected on action bars by spiral, its connection procedure is progressive along the axis of action bars, therefore, the second draw-in groove is not horizontally placed on action bars, but be obliquely installed along action bars 1 outer wall, that is to say that angle between the second draw-in groove and the first draw-in groove is greater than 90 ° and be less than 180 °, and the second draw-in groove other end end is also provided with locating groove 13.In brief, the design class of draw-in groove is similar to the structure of existing clamping lamp socket.On the basis of said structure, in blade, the outer wall of connecting portion 6 one end is provided with the external screw thread 7 mating with female thread 5, and be positioned at external screw thread 7 top position places at this end and be also provided with the cylindricality fastener 8 that coordinates clamping with draw-in groove 4, cylindricality fastener 8 needs to meet with external screw thread 7, the end of cylindricality fastener 8 flushes with external screw thread 7 outer rings, and the end of the end of cylindricality fastener 8 and external screw thread boss is in same plane; Wherein, cylindricality fastener is divided into again two kinds, is a kind ofly made up of the fastener body being arranged on connecting portion, and the end of fastener body flushes with externally threaded outer ring; Another kind is to be made up of a straight-bar that runs through connecting portion, and the length of this straight-bar equals external thread diameter.It should be noted that, in the situation that technique allows, the quantity of draw-in groove and cylindricality fastener can suitably increase, as: taking action bars axis as axis of symmetry, be symmetrical arranged two draw-in grooves, two cylindricality fasteners are set on connecting portion; Or three draw-in grooves and three corresponding cylindricality fastener is with it set.The concrete method of attachment of blade and action bars is as follows: first, by the hollow position of connecting portion update bar second end of blade, then, cylindricality fastener on connecting portion moves along the first draw-in groove of draw-in groove, in the time moving to the first draw-in groove bottom, rotating blade, now, cylindricality fastener moves along the second draw-in groove of draw-in groove, and the external screw thread being arranged on connecting portion cooperatively interacts and is rotatably connected with the female thread on action bars inwall, cylindricality fastener moves to the end of the second draw-in groove, owing to all there is certain compression in cylindricality fastener and the second draw-in groove, locating groove is inverted " recessed " shape structure, therefore, in the time that cylindricality fastener slides into the below at locating groove depression position, cylindricality fastener automatic rebounding is to locating groove, realize location clamping.
Embodiment 2
As shown in Figure 6,7, the unique difference of the present embodiment and embodiment 1 is, the blade of blade is designed to curved knife, the knife edge of this curved knife is positioned at the outside of blade, the knife back is positioned at blade inner side, and the horizontal sextant angle of its knife edge and connecting portion is 0 °～15 °, and the design of curved knife need be when pulling back, the knife back can be tried one's best near being principle at uterine cavity inspectoscope sheath port one 2 front ends, relies on the expansive space of mirror sheath mouth front end to hide the knife edge.Curved knife be mainly used in cutting in uterus every with palace at the bottom of adhesion, also can be used for looking at straight lower hook and get intrauterine device or other uterine cavity foreign body, when curved knife operation is installed, needs whole uterine cavity inspectoscope to coordinate to swing and carry out cutting operation.It should be noted that, on the basis of above-mentioned design principle, the global design of blade, in conjunction with the present embodiment, for blade designs, the knife edge designs, and the change of the knife edge and connecting portion 6 angles is all in protection scope of the present invention.
According to above-described embodiment, can well realize the present invention.What deserves to be explained is, the present invention is simple in structure, and cost is also very cheap, firmly cut with tradition or compared with semihard cuts, the present invention possesses the stronger technical and market competitiveness, has thoroughly broken the situation that this field is monopolized by foreign technology, has greatly promoted the development of Domestic Medicine technology.
Claims (7)
1. uterine cavity cutter, is characterized in that: mainly by action bars (1), be arranged on the handle (2) of action bars (1) first end, and be arranged on action bars (1) the second end the blade of detachable connection (3) composition with it; Described action bars (1) second end is hollow form, and its port position is provided with draw-in groove (4), and is also provided with female thread (5) on action bars (1) inwall of draw-in groove (4) below; Described draw-in groove (4) is by the first draw-in groove axially arranging along action bars (1), and one end is communicated with first draw-in groove one end and the second draw-in groove of being obliquely installed along action bars (1) outer wall forms; Wherein, the angle between the second draw-in groove and the first draw-in groove is greater than 90 ° and be less than 180 °, and the second draw-in groove other end end is also provided with locating groove (13), and the port of the described first draw-in groove other end and action bars (1) second end port are positioned at same plane.
2. uterine cavity cutter according to claim 1, is characterized in that: the angle between the knife edge of described blade (3) and action bars (1) is 45 °～90 °.
3. uterine cavity cutter according to claim 1 and 2, is characterized in that: described blade (3) comprises connecting portion (6), and with the angle of connecting portion (6) be 45 °～90 ° and be fastenedly connected with its one end, sweeping blade; Wherein, on the outer wall of connecting portion (6) other end, be provided with the external screw thread (7) mating with described female thread (5), and be positioned at external screw thread (7) top position place at this end and be also provided with the cylindricality fastener (8) that coordinates clamping with described draw-in groove (4).
4. uterine cavity cutter according to claim 3, is characterized in that: described blade is hook-type cutter (9), and its knife edge is positioned at the inner side of blade.
5. uterine cavity cutter according to claim 3, is characterized in that: described blade is curved knife (10), and its knife edge is positioned at the outside of blade.
6. according to the uterine cavity cutter described in claim 4 or 5, it is characterized in that: described cylindricality fastener (8) is made up of the fastener body being arranged on connecting portion (6), and the end of fastener body flushes with the outer ring of external screw thread (7); Or described cylindricality fastener (8) is made up of a straight-bar that runs through connecting portion (6), and the length of this straight-bar equals external screw thread (7) diameter.
7. the method for attachment of the uterine cavity cutter as described in claim 1 to 6 any one, is characterized in that, comprises the following steps: first, and by the hollow position of connecting portion update bar second end of blade; Then, the cylindricality fastener on connecting portion moves along the first draw-in groove of draw-in groove; Finally, in the time moving to the first draw-in groove bottom, rotating blade, now, cylindricality fastener moves along the second draw-in groove of draw-in groove, and the external screw thread being arranged on connecting portion cooperatively interacts and be rotatably connected with the female thread on action bars inwall, and cylindricality fastener moves to the end of the second draw-in groove, cylindricality fastener automatic rebounding, to locating groove, is realized location clamping.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474604.0A CN102920495B (en) | 2012-11-21 | 2012-11-21 | Uterine cavity cutter knife and connecting method of uterine cavity cutter knife |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210474604.0A CN102920495B (en) | 2012-11-21 | 2012-11-21 | Uterine cavity cutter knife and connecting method of uterine cavity cutter knife |
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| CN102920495A CN102920495A (en) | 2013-02-13 |
| CN102920495B true CN102920495B (en) | 2014-11-26 |
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| CN201210474604.0A Expired - Fee Related CN102920495B (en) | 2012-11-21 | 2012-11-21 | Uterine cavity cutter knife and connecting method of uterine cavity cutter knife |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103549989B (en) * | 2013-11-18 | 2016-02-10 | 佛山市中山医院 | A kind of apparatus implanting Minimally Invasive Surgery for angle, fallopian tube palace |
| CN110652340A (en) * | 2019-10-12 | 2020-01-07 | 吴海燕 | Hysteromyoma stripper |
| CN115634060B (en) * | 2020-11-12 | 2024-06-21 | 青岛大学附属医院 | Auxiliary fixing device for paronychia operation |
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|---|---|---|---|---|
| US3486229A (en) * | 1967-08-09 | 1969-12-30 | Philip Morris Inc | Angular surgical blade holder |
| CN201076482Y (en) * | 2007-09-03 | 2008-06-25 | 何仁亮 | Skin trephine biopsy device |
| CN201085655Y (en) * | 2007-10-26 | 2008-07-16 | 武汉大学 | Multifunctional hysteroscope bush-hook |
| CN201356619Y (en) * | 2009-03-04 | 2009-12-09 | 李勇 | Blade for cervical conization |
| CN202526281U (en) * | 2012-05-03 | 2012-11-14 | 重庆市妇幼保健院 | Blunt adhesion separator for blunt adhesion separation under hysteroscope |
| CN202859259U (en) * | 2012-11-21 | 2013-04-10 | 钟影 | Uterine cavity cutting knife |
-
2012
- 2012-11-21 CN CN201210474604.0A patent/CN102920495B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3486229A (en) * | 1967-08-09 | 1969-12-30 | Philip Morris Inc | Angular surgical blade holder |
| CN201076482Y (en) * | 2007-09-03 | 2008-06-25 | 何仁亮 | Skin trephine biopsy device |
| CN201085655Y (en) * | 2007-10-26 | 2008-07-16 | 武汉大学 | Multifunctional hysteroscope bush-hook |
| CN201356619Y (en) * | 2009-03-04 | 2009-12-09 | 李勇 | Blade for cervical conization |
| CN202526281U (en) * | 2012-05-03 | 2012-11-14 | 重庆市妇幼保健院 | Blunt adhesion separator for blunt adhesion separation under hysteroscope |
| CN202859259U (en) * | 2012-11-21 | 2013-04-10 | 钟影 | Uterine cavity cutting knife |
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