CN111449834B - Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof - Google Patents
Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof Download PDFInfo
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- CN111449834B CN111449834B CN202010297082.6A CN202010297082A CN111449834B CN 111449834 B CN111449834 B CN 111449834B CN 202010297082 A CN202010297082 A CN 202010297082A CN 111449834 B CN111449834 B CN 111449834B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00772—Apparatus for restoration of tear ducts
Abstract
The invention discloses a lacrimal passage drainage device for lacrimal duct embolism and a drainage method thereof, wherein the lacrimal passage drainage device comprises a capsule type shell, flexible fixed fan blades which are fixedly arranged on the outer side of the capsule type shell in an up-down symmetrical mode, and a drainage tube interface which is fixedly arranged on the outer side of the capsule type shell, wherein a drainage through hole which is communicated from left to right is formed in the drainage tube interface, a containing bin is arranged in the capsule type shell, a porous partition board is fixedly arranged in the containing bin, and the containing bin is divided into an upper containing compartment and a lower containing compartment by the porous partition board; the utility model discloses a tear sac device, including porous baffle, tear duct, energy storage device, the internal air vent that link up from top to bottom of a plurality of has in the porous baffle, to the disease of the discharge of tear behind the lacrimal duct embolism, has designed an active full-automatic guiding device, can save the energy that produces through human motion, then is used for driving drainage device, and this device can be put into the tear sac through the operation to long-time detention is at internal work.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a lacrimal passage drainage device for lacrimal duct embolism.
Background
One disease in medicine is lacrimal duct embolism, the lacrimal duct has the function of discharging excess lacrimal fluid secreted by the lacrimal duct, if the lacrimal duct is blocked, the lacrimal duct generally frequently appears, and the lacrimal duct blocking medicine compound only has the function of diminishing inflammation and can not dredge the lacrimal passage, and under the condition that the flushing and probing are ineffective, the treatment needs to be considered through artificial lacrimal duct retention or nasal cavity-lacrimal sac anastomosis operation. If the probe cannot be used, only the operation is performed. At present, the commonly-done dacryocystorhinostomy and dacryocystorhinectomy are performed;
in addition to the operation, in the related field of medical devices, some medical devices for solving the problem of lacrimal duct embolism are provided, the operation mode is that firstly the lacrimal duct which is originally blocked is opened, an artificial lacrimal duct is inserted into the lacrimal duct manually, the tears can be smoothly discharged, the tears are guided into the lacrimal sac by the guiding function of the artificial lacrimal duct and then discharged from the nasolacrimal duct, the method belongs to passive drainage and mainly depends on the siphon action and the gravity action.
Disclosure of Invention
The invention aims to provide a lacrimal passage drainage device for lacrimal duct embolism, which is an active full-automatic flow guiding device designed for the symptom of epiphora after lacrimal duct embolism, can store energy generated by human body movement and then is used for driving the drainage device.
In order to achieve the purpose, the invention provides the following technical scheme:
a lacrimal passage drainage device for lacrimal duct embolism comprises a capsule type shell, flexible fixing fan blades which are fixedly arranged on the outer side of the capsule type shell in an up-down symmetrical mode, and a drainage tube interface which is fixedly arranged on the outer side of the capsule type shell, wherein a drainage through hole which is communicated from left to right is formed in the drainage tube interface;
the capsule type shell is internally provided with a containing bin, a porous partition board is fixedly arranged in the containing bin, and the containing bin is divided into an upper containing compartment and a lower containing compartment by the porous partition board;
a plurality of through vent holes are formed in the porous partition plate;
description of the drawings: the porous partition board is arranged to separate the tear collected in the lower containing compartment from other parts, so that the other parts are prevented from being directly contacted with the tear to generate corrosion damage, and the vent holes on the porous partition board keep good air circulation.
The upper containing compartment is internally provided with a power system, the power system comprises a power system fixing shell, a power system containing compartment is arranged in the power system fixing shell, the top end of the power system fixing shell is provided with a first rotating matching hole communicated with the power system containing compartment, a sliding bearing is fixedly connected in the first rotating matching hole, a bearing hole is formed in the sliding bearing, and the bottom end of the power system fixing shell is provided with a sliding matching hole communicated with the power system containing compartment;
description of the drawings: the sliding bearing adopts ruby with high hardness and excellent wear resistance, and in order to enable shaft parts matched with the sliding bearing to continuously keep efficient and good operation for a long time.
An energy accumulator for storing elastic potential energy is arranged in the power system accommodating bin, a power converter for converting the elastic potential energy stored in the energy accumulator into rotational potential energy is arranged below the energy accumulator, a lug mechanism for converting rotational motion into linear reciprocating motion is arranged below the power converter, and a film system for adjusting air pressure in the lower accommodating compartment is arranged below the power system fixing shell;
a tear discharge system is arranged in the lower accommodating compartment and comprises a fixed support body, the fixed support body is fixedly arranged at the bottom of the lower accommodating compartment, a tear discharge hole which is communicated up and down is formed in the fixed support body, the tear discharge hole penetrates through the bottom of the capsule type shell to be communicated with the outside, a second one-way valve port matching ring groove is formed in the tear discharge hole, a second one-way film valve fixing ring is arranged in the second one-way valve port matching ring groove, and a second petal type one-way film conducting sheet is fixedly arranged at one end, away from the porous partition plate, of the second one-way film valve fixing ring;
the conducting direction of the second petal-type one-way thin film conducting sheet is from the lower accommodating compartment to the outside of the capsule-type shell;
a first one-way valve port matching ring groove is formed in the drainage pipe connector, a first one-way film valve fixing ring is arranged in the first one-way valve port matching ring groove, and a first petal type one-way film conducting sheet is fixedly arranged at one end, close to the lower accommodating compartment, of the first one-way film valve fixing ring;
the first petal-type one-way thin film conducting sheet is conducted from the outer side of the capsule type shell to the lower accommodating compartment in the conducting direction.
Preferably, a power input shaft extends out of the top end of the energy accumulator, an eccentric pendulum bob is fixedly arranged at the top end of the power input shaft, a power transmission shaft extends out of the top end of the power converter, the other end of the power transmission shaft extends into the energy accumulator and is in power connection with the energy accumulator, and a power output shaft extends out of the bottom end of the power converter.
Description of the drawings: the energy generated by the intermittent rotation of the eccentric pendulum bob is converted into the elastic potential energy in the energy accumulator through the transmission of the power input shaft, and the elastic potential energy in the energy accumulator is converted into continuous energy through the power converter and is output to be changed into the continuous rotation form of the power output shaft.
Preferably, the lug mechanism includes the fixed block, go up the fixed block top with power output shaft fixed connection, it has set firmly the lug to go up fixed block lower extreme edge, sliding fit is equipped with the film push rod in the sliding fit hole, film push rod top has set firmly oblique cylinder lug, oblique cylinder lug bottom with driving system holds and is equipped with the spring between the storehouse, the spring encircle in the film push rod outside, oblique cylinder lug top inclined plane with lug sliding contact cooperation.
Description of the drawings: the rotation of the lug converts the rotary motion into the linear reciprocating motion of the oblique cylindrical lug.
Preferably, the film system comprises a film fixing ring, a super-elastic film is fixedly arranged in the film fixing ring, a film connecting sheet is fixedly connected to the super-elastic film, and the top end of the film connecting sheet is fixedly connected with the film push rod.
Preferably, the drainage tube interface is kept away from be equipped with interface fixed ring groove in the one end of capsule type casing, interface fixed ring inslot cooperation is equipped with annular fastening cooperation piece, the water conservancy diversion through-hole that link up about having in the annular fastening cooperation piece, the annular fastening cooperation piece outside is equipped with second fastening ring groove, the annular fastening cooperation piece outside with it is equipped with the honeycomb duct to connect between the interface fixed ring groove.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, safety and reliability, ensures that the eccentric pendulum bob intermittently moves through the self motion energy of the human body and continuously stores energy, then changes the intermittent input energy into continuous energy output through the energy conversion mechanism, ensures that the lower accommodating compartment generates periodic pressure variation by utilizing the simple reciprocating deformation motion of the super elastic film in the mechanism, actively drains the tears from the lacrimal canaliculus into the lacrimal sac by utilizing the periodic opening and closing of two one-way film valve ports, and finally discharges the tears through the lacrimal canaliculus.
Drawings
FIG. 1 is a front view (half section) of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a sectional view taken along line B-B of fig. 1.
In the figure, 10-capsule type shell, 11-drainage pipe interface, 111-drainage through hole, 112-first one-way valve port matching ring groove, 113-interface fixing ring groove, 12-drainage pipe, 20-annular fastening matching block, 21-drainage through hole, 22-second fastening ring groove, 31-flexible fixing fan sheet, 41-porous clapboard, 411-upper containing compartment, 412-lower containing compartment, 42-vent hole, 51-power system fixing shell, 511-power system containing compartment, 512-first rotating matching hole, 513-sliding matching hole, 52-sliding bearing, 521-bearing hole, 60-film system, 61-film fixing ring, 62-super elastic film, 63-film connecting sheet, 71-energy accumulator, 711-power input shaft, 712-eccentric pendulum bob, 81-power converter, 811-power transmission shaft, 812-power output shaft, 813-fixed block, 8130-lug mechanism, 8131-lug, 814-inclined cylindrical lug, 8141-spring, 90-tear discharge system, 91-second one-way film valve fixing ring, 93-second petal one-way film conducting sheet, 94-fixing support body, 941-tear discharge hole and 942-second one-way valve port matching ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Example (b):
referring to fig. 1 to fig. 3, in order to achieve the above object, the present invention provides the following technical solutions:
a lacrimal passage drainage device for lacrimal duct embolism comprises a capsule type shell 10, flexible fixing fan blades 31 and 32 which are fixedly arranged outside the capsule type shell 10 and are arranged in an up-down symmetrical mode, and a drainage tube interface 11 which is fixedly arranged outside the capsule type shell 10, wherein a drainage through hole 111 which is communicated with the left and the right is arranged in the drainage tube interface 11;
a first one-way valve port matching ring groove 112 is arranged in the drainage tube connector 11, a first one-way film valve fixing ring 95 is arranged in the first one-way valve port matching ring groove 112, and a first petal-type one-way film conducting sheet 97 is fixedly arranged at one end, close to the lower accommodating compartment 412, of the first one-way film valve fixing ring 95;
the first petal type one-way thin film conduction sheet 97 is conducted from the outside of the capsule type casing 10 to the lower accommodation compartment 412;
the drainage tube interface 11 is kept away from be equipped with interface fixed ring groove 113 in the one end of capsule type casing 10, interface fixed ring groove 113 fit in is equipped with annular fastening cooperation piece 20, the water conservancy diversion through-hole 21 that link up about having in the annular fastening cooperation piece 20, the annular fastening cooperation piece 20 outside is equipped with second fastening ring groove 22, the annular fastening cooperation piece 20 outside with it is equipped with honeycomb duct 12 to connect between the interface fixed ring groove 113.
The capsule-type casing 10 has a storage chamber 101 therein, a porous partition plate 41 is fixedly arranged in the storage chamber 101, the porous partition plate 41 divides the storage chamber 101 into an upper storage compartment 411 and a lower storage compartment 412, and a plurality of vent holes 42 are arranged in the porous partition plate 41 and run through vertically;
a power system 5 is arranged in the upper accommodating compartment 411, the power system 5 comprises a power system fixing shell 51, a power system accommodating compartment 511 is arranged in the power system fixing shell 51, a first rotating matching hole 512 communicated with the power system accommodating compartment 511 is formed in the top end of the power system fixing shell 51, a sliding bearing 52 is fixedly connected in the first rotating matching hole 512, a bearing hole 521 is formed in the sliding bearing 52, and a sliding matching hole 513 communicated with the power system accommodating compartment 511 is formed in the bottom end of the power system fixing shell 51;
an energy accumulator 71 for storing elastic potential energy is arranged in the power system accommodating bin 511, a power converter 81 for converting the elastic potential energy stored in the energy accumulator 71 into rotational potential energy is arranged below the energy accumulator 71, a lug mechanism 8130 for converting rotational motion into linear reciprocating motion is arranged below the power converter 81, and a film system 60 for adjusting the air pressure in the lower accommodating compartment 412 is arranged below the power system fixing shell 51;
a power input shaft 711 extends from the top end of the energy accumulator 71, an eccentric pendulum 712 is fixedly arranged at the top end of the power input shaft 711, a power transmission shaft 811 extends from the top end of the power converter 81, the other end of the power transmission shaft 811 extends into the energy accumulator 71 and is in power connection with the energy accumulator, and a power output shaft 812 extends from the bottom end of the power converter 81.
The bump mechanism 8130 comprises an upper fixing block 813, the top end of the upper fixing block 813 is fixedly connected with the power output shaft 812, a bump 8131 is fixedly arranged at the edge of the lower end of the upper fixing block 813, a film push rod 82 is arranged in the sliding fit hole 513 in a sliding fit mode, an inclined cylindrical bump 814 is fixedly arranged at the top end of the film push rod 82, a spring 8141 is arranged between the bottom end of the inclined cylindrical bump 814 and the accommodating bin 511 of the power system, the spring 8141 surrounds the outer side of the film push rod 82, and an inclined plane at the top end of the inclined cylindrical bump 814 is in sliding contact fit with the bump 8131.
The thin film system 60 comprises a thin film fixing ring 61, a super-elastic thin film 62 is fixedly arranged in the thin film fixing ring 61, a thin film connecting sheet 63 is fixedly connected to the super-elastic thin film 62, and the top end of the thin film connecting sheet 63 is fixedly connected with a thin film push rod 82.
A tear discharge system 90 is arranged in the lower accommodating compartment 412, the tear discharge system 90 includes a fixed support 94, the fixed support 94 is fixedly arranged at the bottom of the lower accommodating compartment 412, a tear discharge hole 941 which is vertically through is arranged in the fixed support 94, the tear discharge hole 941 penetrates through the bottom of the capsule-shaped shell 10 to be communicated with the outside, a second one-way valve port matching ring groove 942 is arranged in the tear discharge hole 941, a second one-way thin film valve fixing ring 91 is arranged in the second one-way valve port matching ring groove 942, and a second petal-shaped one-way thin film conducting sheet 93 is fixedly arranged at one end of the second one-way thin film valve fixing ring 91, which is far away from the porous partition plate 41;
the second petal-shaped one-way thin film conductor 93 is conducted from the lower storage compartment 412 to the outside of the capsule-shaped casing 10.
The lacrimal passage drainage device for the lacrimal duct embolism is placed in a lacrimal sac of a patient, when a human body shakes due to movement, the eccentric pendulum bob 712 rotates, energy generated by the intermittent rotation of the eccentric pendulum bob 712 is converted into elastic potential energy in the energy accumulator 71 through the transmission of the power input shaft 711, the elastic potential energy in the energy accumulator 71 is converted into continuous energy through the power converter 81 and is output into a continuous rotation form of the power output shaft 812, the power output shaft 812 drives the upper fixing block 813 to rotate, the upper fixing block 813 drives the lug 8131 to rotate, the lug 8131 drives the inclined cylindrical lug 814 to reciprocate up and down, the inclined cylindrical lug 814 drives the film push rod 82 to reciprocate up and down, and the film push rod 82 drives the film connecting piece 63 to reciprocate up and down, the film connecting sheet 63 drives the superelastic film 62 to elastically deform in a vertical reciprocating manner, the elastic deformation in the vertical reciprocating manner of the superelastic film 62 enables the air pressure in the lower accommodating compartment 412 to periodically change, when the film connecting sheet 63 drives the superelastic film 62 to elastically deform upwards, the air pressure in the lower accommodating compartment 412 is reduced, under the action of the air pressure difference, the second petal-type unidirectional film conducting sheet 93 is closed, the first petal-type unidirectional film conducting sheet 97 is conducted, tear liquid in the draft tube 12 flows into the lower accommodating compartment 412 through the first petal-type unidirectional film conducting sheet 97, when the film connecting sheet 63 drives the superelastic film 62 to elastically deform downwards, the air pressure in the lower accommodating compartment 412 is increased, and under the action of the air pressure difference, the first petal-type unidirectional film conducting sheet 97 is closed, the second petal type one-way film conduction piece 93 will be conducted, and the tear in the lower accommodation compartment 412 will be discharged into the tear discharge hole 941 through the second petal type one-way film conduction piece 93.
The device is retained in a human body for a long time, all parts and materials are nontoxic and harmless to the human body, and the corrosion resistance is good.
Claims (5)
1. A lacrimal passage drainage device for lacrimal duct embolism is characterized in that: comprises a capsule-shaped shell (10), flexible fixing fan blades (31) and (32) which are fixedly arranged outside the capsule-shaped shell (10) and are vertically and symmetrically arranged, and a drainage tube interface (11) which is fixedly arranged outside the capsule-shaped shell (10), wherein the drainage tube interface (11) is internally provided with a drainage through hole (111) which is penetrated left and right;
the capsule type shell (10) is internally provided with a containing cabin (101), a porous partition board (41) is fixedly arranged in the containing cabin (101), and the containing cabin (101) is divided into an upper containing compartment (411) and a lower containing compartment (412) by the porous partition board (41);
a plurality of vent holes (42) which are penetrated up and down are arranged in the porous partition plate (41);
a power system (5) is arranged in the upper accommodating compartment (411), the power system (5) comprises a power system fixing shell (51), a power system accommodating compartment (511) is arranged in the power system fixing shell (51), a first rotating matching hole (512) communicated with the power system accommodating compartment (511) is formed in the top end of the power system fixing shell (51), a sliding bearing (52) is fixedly connected in the first rotating matching hole (512), a bearing hole (521) is formed in the sliding bearing (52), and a sliding matching hole (513) communicated with the power system accommodating compartment (511) is formed in the bottom end of the power system fixing shell (51);
an energy accumulator (71) used for storing elastic potential energy is arranged in the power system accommodating bin (511), a power converter (81) used for converting the elastic potential energy stored in the energy accumulator (71) into rotational potential energy is arranged below the energy accumulator (71), a bump mechanism (8130) used for converting rotational motion into linear reciprocating motion is arranged below the power converter (81), and a film system (60) used for adjusting the air pressure in the lower accommodating compartment (412) is arranged below the power system fixing shell (51);
a tear discharge system (90) is arranged in the lower accommodating compartment (412), the tear discharge system (90) comprises a fixed support body (94), the fixed support body (94) is fixedly arranged at the bottom of the lower accommodating compartment (412), a tear discharge hole (941) which is through up and down is formed in the fixed support body (94), the tear discharge hole (941) penetrates through the bottom of the capsule-type shell (10) to be communicated with the outside, a second one-way valve port matching ring groove (942) is formed in the tear discharge hole (941), a second one-way thin film valve fixing ring (91) is arranged in the second one-way valve port matching ring groove (942), and a second petal-type one-way thin film conducting sheet (93) is fixedly arranged at one end, away from the porous partition plate (41), of the second one-way thin film valve fixing ring (91);
the conducting direction of the second petal-type unidirectional film conducting sheet (93) is from a lower accommodating compartment (412) to the outside of the capsule-type shell (10);
a first one-way valve port matching ring groove (112) is formed in the drainage pipe connector (11), a first one-way film valve fixing ring (95) is formed in the first one-way valve port matching ring groove (112), and a first petal-type one-way film conducting sheet (97) is fixedly arranged at one end, close to the lower accommodating compartment (412), of the first one-way film valve fixing ring (95);
the first petal-shaped one-way thin film conducting sheet (97) is conducted from the outside of the capsule-type casing (10) to the lower accommodating compartment (412).
2. The lacrimal drainage device for lacrimal canaliculus embolization according to claim 1, wherein: the energy storage device is characterized in that a power input shaft (711) extends out of the top end of the energy storage device (71), an eccentric pendulum (712) is fixedly arranged at the top end of the power input shaft (711), a power transmission shaft (811) extends out of the top end of the power converter (81), the other end of the power transmission shaft (811) extends into the energy storage device (71) and is in power connection with the energy storage device, and a power output shaft (812) extends out of the bottom end of the power converter (81).
3. The lacrimal drainage device for lacrimal canaliculus embolization according to claim 2, wherein: lug mechanism (8130) includes fixed block (813), go up fixed block (813) top with power output shaft (812) fixed connection, go up fixed block (813) lower extreme edge and have set firmly lug (8131), sliding fit is equipped with film push rod (82) in sliding fit hole (513), film push rod (82) top has set firmly oblique cylinder lug (814), oblique cylinder lug (814) bottom with power system holds and is equipped with spring (8141) between storehouse (511), spring (8141) encircle film push rod (82) the outside, oblique cylinder lug (814) top inclined plane with lug (8131) sliding contact cooperation.
4. The lacrimal drainage device for lacrimal canaliculus embolization according to claim 3, wherein: the film system (60) comprises a film fixing ring (61), a super-elastic film (62) is fixedly arranged in the film fixing ring (61), a film connecting sheet (63) is fixedly connected to the super-elastic film (62), and the top end of the film connecting sheet (63) is fixedly connected with the film push rod (82).
5. The lacrimal drainage device for lacrimal canaliculus embolization according to claim 1, wherein: keep away from drainage tube interface (11) be equipped with interface fixed ring groove (113) in the one end of capsule type casing (10), interface fixed ring groove (113) fit in is equipped with annular fastening cooperation piece (20), water conservancy diversion through-hole (21) that link up about having in annular fastening cooperation piece (20), annular fastening cooperation piece (20) outside is equipped with second fastening ring groove (22), annular fastening cooperation piece (20) the outside with it is equipped with honeycomb duct (12) to connect between interface fixed ring groove (113).
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| CN202010297082.6A CN111449834B (en) | 2020-04-15 | 2020-04-15 | Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof |
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| CN202010297082.6A CN111449834B (en) | 2020-04-15 | 2020-04-15 | Lacrimal passage drainage device for lacrimal duct embolism and drainage method thereof |
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| CN111449834A CN111449834A (en) | 2020-07-28 |
| CN111449834B true CN111449834B (en) | 2022-03-01 |
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| CN112030240B (en) * | 2020-07-13 | 2022-04-29 | 兰州百源基因技术有限公司 | Portable electrostatic spinning equipment |
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