CN106963333A - Specula in a kind of multidirectional expansion cartridge type - Google Patents
Specula in a kind of multidirectional expansion cartridge type Download PDFInfo
- Publication number
- CN106963333A CN106963333A CN201710167343.0A CN201710167343A CN106963333A CN 106963333 A CN106963333 A CN 106963333A CN 201710167343 A CN201710167343 A CN 201710167343A CN 106963333 A CN106963333 A CN 106963333A
- Authority
- CN
- China
- Prior art keywords
- spool
- ratchet
- expansion
- cylinder
- specula
- Prior art date
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/32—Devices for opening or enlarging the visual field, e.g. of a tube of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
Abstract
The invention discloses specula in the multidirectional expansion cartridge type of one kind, including the expansion cylinder rolled with elastic roll bending, the elastic roll bending the inner for expanding cylinder is provided with a rotatable spool, flexible-belt is wound with spool, flexible-belt extends in the elastic roll bending interlayer of expansion cylinder, flexible-belt one end is fixed on spool, and the other end is fixed on the elastic roll bending outer end of expansion cylinder, expansion cylinder and is additionally provided with spool lockable mechanism.The present invention realizes the globally expanding for expanding cylinder by reel wound flexible-belt, and all directions expansion dynamics is uniform, can formation rule in peep passage, human body is not easily caused uncomfortable and easy to use.
Description
Technical field
The present invention relates to a kind of medicine equipment, more specifically, it relates to specula in a kind of multidirectional expansion cartridge type.
Background technology
Interior specula is a kind of common medicine equipment, for entering internal from body cavities, carries out internal diseased region
Observation and diagnosis and treatment, to make the abundant spread apart of body cavities more clearly to observe, interior specula generally carries expanding mechanism, at present
Clinically using most interior specula forms for specula in clamp type structure, but jaw type structures shape its strut when only at two
Side is moved up, and it is each to uniform expansion that this causes body cavities to be difficult to, not only bad for peeping passage in formation rule,
The discomfort of human body is also easily caused, therefore existing interior specula needs to improve.Publication No. CN201870619U utility model
A kind of illumination pincer type vaginal speculum is disclosed on June 22nd, 2011, including：Upper Hubei Province piece, lower Hubei Province piece, bearing pin composition, in upper Hubei Province
The rear end side of piece 1 and lower Hubei Province piece sets Hubei Province piece handle and lower Hubei Province piece handle, upper Hubei Province piece handle and lower Hubei Province piece handle pin respectively
Axle is connected, and position sets back-moving spring therebetween, in upper Hubei Province piece and is additionally provided with lighting device on upper Hubei Province piece handle.The illumination is clamped
Formula vaginal speculum, easy to operate with simple in construction compared with common vaginal speculum, time saving and energy saving, automatic light source is improved
Check on the quality, mitigate the advantage of patient suffering.But the invention is also specula in a kind of jaw type, therefore there is also each uneven to expansion
Even common fault.
The content of the invention
Common interior specula is each uneven to expanding, and is unfavorable for the interior of formation rule and peeps passage, also easily causes human body not
It is suitable, to overcome this defect, beneficial to passage is peeped in formation rule, it can mitigate respectively to uniform expansion the invention provides one kind
Specula in the uncomfortable multidirectional expansion cartridge type of human body.
The technical scheme is that：Specula in a kind of multidirectional expansion cartridge type, including the expansion rolled with elastic roll bending
Cylinder is opened, inner be provided with a rotatable spool, spool of elastic roll bending for expanding cylinder is wound with flexible-belt, and flexible-belt is in expansion cylinder
Elastic roll bending interlayer extend, flexible-belt one end is fixed on spool, and the other end is fixed on the elastic roll bending outer end of expansion cylinder, is expanded
Open and be additionally provided with spool lockable mechanism on cylinder.In its natural state, expansion cylinder is in on-expansible shape because of elastic roll bending elastic shrinkage
State, expansion cylinder diameter is minimum, is now easiest to enter body cavities, cylinder to be expanded is fully entered after human body, rotatable spool is soft
Property band on spool constantly winding and be gradually shortened, the inside and outside end of expansion cylinder is furthered, and expansion cylinder is according to making elastic roll bending overlapping
The number of plies is reduced, the Long-term change trend of degree of unfolding increase, therefore the expansion for expanding cylinder can be realized by reel wound flexible-belt, and is expanded
It is globally expanding to open cylinder, and all directions expansion dynamics is uniform.Expand after cylinder expansion, the expansion of cylinder can will be expanded with spool lockable mechanism
State is maintained, and such medical worker can just free hand to, and more easily carries out other subsequent operations.
Preferably, the spool lockable mechanism includes ratchet and pawl, ratchet is fixedly sleeved on spool, pawl rotation
It is connected on a ratchet support bar, ratchet pawl reset torsion spring is provided between ratchet and ratchet support bar, ratchet support bar is connected in expansion
The elastic roll bending of cylinder is inner, and ratchet is engaged with ratchet.Ratchet and pawl arrangement can be used to realize the unidirectionally controlled of rotation, prevent non-return
Turn.When rotating scroll tightens up flexible-belt, the unidirectional tooth of ratchet can push ratchet to swingable direction open, the rotation of ratchet and spine
In the same direction, the rotation that ratchet does not constitute ratchet hinders, and ratchet remains to smooth rotation for the swing of pawl；Rotated when stopping at spool reinforcing
When, spool has reversal trend under flexible-belt traction action caused by elastic roll bending elastic-restoring force, and now ratchet falls into ratchet
In groove between unidirectional tooth, the limited rotating shaft spacing of ratchet and ratchet causes ratchet to be cured with ratchet outer rim with the reversion of ratchet
Hair is pushed against, and forms interlocking, ratchet stops reversion, so as to realize the locking of spool.Such a spool lockable mechanism can be in rotating scroll
While produce anti-reverse effect immediately, locking response is fast, easy to use.
As an alternative, spool is segmental structure, including drive section and driven section, and drive section is slidably socketed and led to driven section
Spline drived connection is crossed, flexible-belt is on driven section, and the spool lockable mechanism includes threaded block and lock ring, threaded block
The elastic roll bending for being fixedly arranged on expansion cylinder is inner, and the drive section of spool is threaded on threaded block, and lock ring is threaded in volume
In the drive section of axle.The drive section axially coincident length certain with driven section of presence, rotates drive section, even if drive section during operation
Axial movement can be produced, drive section also remains to drive driven section of rotation by spline, and then pulls flexible-belt.When stopping at spool
During reinforcing rotation, lock ring is rotated, lock ring is offseted with threaded block, spool is flexible caused by elastic roll bending elastic-restoring force
There is reversal trend under band traction action, but lock ring can more be pushed against with threaded block with the reversion of spool, threaded block, driving
The continuation of spool drive section is prevented to invert because extruding force increases between section, the screw thread mating surface of lock ring, so as to realize spool
Locking.
Preferably, described lock ring is provided with group handle.Lock ring needs manpower to rotate, and sets group handle to be easy to medical matters
Personnel are operated with hand.
Preferably, expansion cylinder is wrapped with elastic membrane.Springform plays a part of to strengthen expansion cylinder, can increase elastic volume
The elasticity of plate, is easy to use.
Preferably, the end of spool is provided with a swing handle, and swing handle exposes outside expansion cylinder.Swing handle is easy to medical worker to exist
Spool is operated during using interior specula, more easily control input torque, rotating scroll.
Preferably, expansion cylinder inwall is provided with LED lamp bead.LED lamp bead can be expanded inside cylinder and expansion cylinder is entered
Body cavities provide illumination, improve observing effect, improve diagnosis and treatment accuracy.LED lamp bead small volume, after being installed inside expansion cylinder
It is difficult to constitute big obstruction to observation and subsequent operation.
The beneficial effects of the invention are as follows：
Expansion is uniform, human body is not easily caused uncomfortable.The present invention realizes the globally expanding for expanding cylinder by reel wound flexible-belt, respectively
Direction expansion dynamics is uniform, can formation rule in peep passage, human body is not easily caused uncomfortable.
It is easy to use.The present invention is provided with spool lockable mechanism, can maintain expansion state after expansion cylinder expansion, more square
Just other subsequent operations are carried out.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Structural representation when Fig. 2 is present invention expansion；
Fig. 3 is a kind of structural representation of spool lockable mechanism in the present invention；
Fig. 4 is another structural representation of spool lockable mechanism in the present invention.
In figure, 1- expansion cylinders, 2- spools, 3- flexible-belts, 4- elastic membranes, 5- swing handles, 6- scroll supports, 7- ratchets, 8- spine
Pawl, 9- drive sections, driven section of 10-, 11- threaded blocks, 12- lock rings.
Embodiment
The invention will be further described for specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of specula in multidirectional expansion cartridge type, including the expansion cylinder 1 rolled with elastic roll bending,
In a relaxed state, elastic roll bending crispaturas to form two superimposed under its own resilient effect.In the barrel chamber of expansion cylinder 1, expansion
The elastic roll bending of cylinder 1 a pair of scroll supports 6 of inner middle part welding, scroll support 6 is provided with a rotatable spool 2,2 liang of spool
End is rotatably connected on two scroll supports 6 respectively, and flexible-belt 3, elastic roll bending of the flexible-belt 3 in expansion cylinder 1 are wound with spool 2
Interlayer extends, and the one end of flexible-belt 3 is fixed on spool 2, and the other end is fixed on the elastic roll bending outer end of expansion cylinder 1.Expand outside cylinder 1
It is enclosed with elastic membrane 4.The end of spool 2 is provided with a swing handle 5, and swing handle 5 exposes in expansion cylinder 1 rear end.Expand the inwall front end of cylinder 1
Provided with a LEDs lamp bead, on the inside of the embedded elastic roll bending of LED lamp bead half in plate face.Spool lockable mechanism is additionally provided with expansion cylinder 1,
The spool lockable mechanism includes ratchet 7 and ratchet 8, and ratchet 7 is fixedly sleeved on spool 2, and ratchet 8 is rotatably connected on a ratchet branch
On strut 8, ratchet pawl reset torsion spring is provided between ratchet 8 and ratchet support bar 8, ratchet support bar 8 is connected in the elasticity volume of expansion cylinder 1
Plate is inner, and ratchet 7 is engaged with ratchet 8.
Using during specula, the rear end of expansion cylinder 1 is towards operator, by the expansion under crimped configuration in this multidirectional expansion cartridge type
Cylinder 1 is inserted in the body cavities of patient, such as anus, vagina, rotates swing handle 5, drives spool 2, flexible-belt 3 is on spool 2
Constantly winding and be gradually shortened, the inside and outside end of expansion cylinder 1 is furthered, expansion cylinder 1 according to reducing the overlapping number of plies of elastic roll bending,
The Long-term change trend of degree of unfolding increase, so as to realize the expansion of expansion cylinder 1.When rotating scroll 2 tightens up flexible-belt 3, ratchet 7 it is unidirectional
Tooth can push ratchet 8 to swingable direction open, and with the swing of ratchet 8 in the same direction, ratchet 8 does not constitute ratchet 7 for the rotation of ratchet 7
Rotate and hinder, ratchet 7 remains to smooth rotation；When stopping at the reinforcing rotation of spool 2, spool 2 is in elastic roll bending elastic-restoring force
Have reversal trend under the caused traction action of flexible-belt 3, now ratchet 8 is fallen into the groove between the unidirectional tooth of ratchet 7, ratchet 7 with
The limited rotating shaft spacing of ratchet 8 causes ratchet 8 more to be pushed against with the reversion of ratchet 7 with the outer rim of ratchet 7, forms interlocking, spine
Wheel 7 stops reversion, so as to realize the locking of spool 2.
Embodiment 2：
As shown in figure 4, spool 2 is segmental structure, including drive section 9 and driven section 10, drive section 9 is provided with external screw thread, driven
Then outer wall is smooth for section 10, and flexible-belt 3 is on driven section 10, and swing handle 5 is located at the head end of drive section 9, and the end of drive section 9 is provided with flower
Key, driven section 10 is hollow-core construction, inside sets the spline matched with drive section spline, driven section 10 is socketed in the end of drive section 9
Outside, drive section 9 and driven section 10 formation are slidably socketed, while be connected further through spline formation, the spool lockable mechanism
Including threaded block 11 and lock ring 12, the elastic roll bending that threaded block 11 is fixedly arranged on expansion cylinder 1 is inner, the drive section screw thread of spool 2
It is connected on threaded block 11, lock ring 12 is threaded in the drive section of spool 2.Remaining be the same as Example 1.
Drive section 9 is rotated during operation, even if drive section 9 can produce axial movement, drive section 9 also remains to drive by spline
Driven section 10 rotation, and then pull flexible-belt 3.When stopping at the reinforcing rotation of spool 2, lock ring 12 is rotated, makes lock ring 12
Offseted with threaded block 11, spool 2 has reversal trend under the traction action of flexible-belt 3 caused by elastic roll bending elastic-restoring force, but
Lock ring 12 can more be pushed against with threaded block with the reversion of spool 2, and threaded block 11, drive section 9, the screw thread of lock ring 12 are matched somebody with somebody
The continuation of spool drive section is prevented to invert because extruding force increases between conjunction face, so as to realize the locking of spool 2.
Claims (7)
1. specula in a kind of multidirectional expansion cartridge type, it is characterized in that including the expansion cylinder rolled with elastic roll bending（1）, expand cylinder
（1）Elastic roll bending the inner be provided with a rotatable spool（2）, spool（2）On be wound with flexible-belt（3）, flexible-belt（3）Expanding
Open cylinder（1）Elastic roll bending interlayer extend, flexible-belt（3）One end is fixed on spool（2）On, the other end is fixed on expansion cylinder（1）
Elastic roll bending outer end, expand cylinder（1）On be additionally provided with spool lockable mechanism.
2. specula in multidirectional expansion cartridge type according to claim 1, it is characterized in that the spool lockable mechanism includes ratchet
（7）And ratchet（8）, ratchet（7）It is fixedly sleeved in spool（2）On, ratchet（8）It is rotatably connected on a ratchet support bar（8）On, spine
Pawl（8）With ratchet support bar（8）Between be provided with ratchet pawl reset torsion spring, ratchet support bar（8）It is connected in expansion cylinder（1）Elastic roll bending
The inner, ratchet（7）With ratchet（8）Engagement.
3. specula in multidirectional expansion cartridge type according to claim 1, it is characterized in that spool（2）For segmental structure, including drive
Move section and driven section, flexible-belt（3）On driven section, drive section is slidably socketed and connected by spline drived with driven section
Connect, the spool lockable mechanism includes threaded block and lock ring, threaded block is fixedly arranged on expansion cylinder（1）Elastic roll bending it is inner, volume
Axle（2）Drive section be threaded on threaded block, lock ring is threaded in spool（2）Drive section on.
4. specula in multidirectional expansion cartridge type according to claim 3, it is characterized in that described lock ring is provided with group handle.
5. specula in multidirectional expansion cartridge type according to claim 1, it is characterized in that expansion cylinder（1）It is wrapped with elastic membrane
（4）.
6. specula in multidirectional expansion cartridge type according to claim 1, it is characterized in that spool（2）End be provided with a swing handle
（5）, and swing handle（5）Expose in expansion cylinder（1）Outside.
7. specula in the multidirectional expansion cartridge type according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that expansion cylinder（1）
Inwall is provided with LED lamp bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167343.0A CN106963333B (en) | 2017-03-20 | 2017-03-20 | Specula in a kind of multidirectional expansion cartridge type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167343.0A CN106963333B (en) | 2017-03-20 | 2017-03-20 | Specula in a kind of multidirectional expansion cartridge type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106963333A true CN106963333A (en) | 2017-07-21 |
| CN106963333B CN106963333B (en) | 2018-06-26 |
Family
ID=59330125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710167343.0A Expired - Fee Related CN106963333B (en) | 2017-03-20 | 2017-03-20 | Specula in a kind of multidirectional expansion cartridge type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106963333B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020163220A1 (en) * | 2019-02-07 | 2020-08-13 | Artisan Medical Devices Corporation | Multi-layered speculum and methods of manufacturing and using same |
| CN111772700A (en) * | 2020-05-28 | 2020-10-16 | 中国人民解放军陆军军医大学第一附属医院 | Incision struts ware |
| EP4282318A1 (en) * | 2022-05-26 | 2023-11-29 | Chi Mei Medical Center | Vaginal dilator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994070A (en) * | 1987-12-15 | 1991-02-19 | Waters Gerard A | Apparatus for dilating a body cavity |
| JPH05208050A (en) * | 1992-01-31 | 1993-08-20 | Kanegafuchi Chem Ind Co Ltd | Balloon outside-diameter adjusting tool for expansion catheter and expansion catheter equipped with the adjusting tool and use thereof |
| GB2275421A (en) * | 1993-02-25 | 1994-08-31 | Christopher Tiley | Speculum |
| US20030069476A1 (en) * | 2001-10-09 | 2003-04-10 | Deslauriers Richard J. | Dilating inflatable speculum |
| CN201848008U (en) * | 2010-10-27 | 2011-06-01 | 邸丹 | Medical operation dilator |
| CN203319408U (en) * | 2013-06-28 | 2013-12-04 | 岳阳神冈起重电磁铁有限公司 | Elastic self-locking double-hose winding drum |
| CN104257344B (en) * | 2014-09-25 | 2016-09-21 | 李晓萍 | Gynecological examination device |
-
2017
- 2017-03-20 CN CN201710167343.0A patent/CN106963333B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994070A (en) * | 1987-12-15 | 1991-02-19 | Waters Gerard A | Apparatus for dilating a body cavity |
| JPH05208050A (en) * | 1992-01-31 | 1993-08-20 | Kanegafuchi Chem Ind Co Ltd | Balloon outside-diameter adjusting tool for expansion catheter and expansion catheter equipped with the adjusting tool and use thereof |
| GB2275421A (en) * | 1993-02-25 | 1994-08-31 | Christopher Tiley | Speculum |
| US20030069476A1 (en) * | 2001-10-09 | 2003-04-10 | Deslauriers Richard J. | Dilating inflatable speculum |
| CN201848008U (en) * | 2010-10-27 | 2011-06-01 | 邸丹 | Medical operation dilator |
| CN203319408U (en) * | 2013-06-28 | 2013-12-04 | 岳阳神冈起重电磁铁有限公司 | Elastic self-locking double-hose winding drum |
| CN104257344B (en) * | 2014-09-25 | 2016-09-21 | 李晓萍 | Gynecological examination device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020163220A1 (en) * | 2019-02-07 | 2020-08-13 | Artisan Medical Devices Corporation | Multi-layered speculum and methods of manufacturing and using same |
| US11234587B2 (en) | 2019-02-07 | 2022-02-01 | Artisan Medical Devices Corporation | Multi-layered speculum and methods of manufacturing and using same |
| CN111772700A (en) * | 2020-05-28 | 2020-10-16 | 中国人民解放军陆军军医大学第一附属医院 | Incision struts ware |
| CN111772700B (en) * | 2020-05-28 | 2021-08-17 | 中国人民解放军陆军军医大学第一附属医院 | Incision struts ware |
| EP4282318A1 (en) * | 2022-05-26 | 2023-11-29 | Chi Mei Medical Center | Vaginal dilator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106963333B (en) | 2018-06-26 |
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Granted publication date: 20180626 Termination date: 20200320 |