CN111904711A - Manual rotary cutting device is used in mediation of lacrimal passage - Google Patents
Manual rotary cutting device is used in mediation of lacrimal passage Download PDFInfo
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- CN111904711A CN111904711A CN202010681929.0A CN202010681929A CN111904711A CN 111904711 A CN111904711 A CN 111904711A CN 202010681929 A CN202010681929 A CN 202010681929A CN 111904711 A CN111904711 A CN 111904711A
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- Prior art keywords
- probe rod
- lacrimal passage
- manual
- convex
- rod
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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
-
- 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
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
- A61F9/00763—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments with rotating or reciprocating cutting elements, e.g. concentric cutting needles
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Prostheses (AREA)
Abstract
The invention relates to the field of medical instruments, and particularly discloses a manual rotary cutting device for dredging lacrimal passages, which comprises a probe rod with a straight round rod structure and used for extending into the lacrimal passages, wherein a plurality of convex bodies are distributed along the length direction of the probe rod, and the convex bodies are outwards protruded along the radial direction of the probe rod; the convex body is in a convex arc plate body structure and is connected with the probe rod through a connecting rod arranged in the middle of the convex body. The invention can effectively remove residual fiber on the lacrimal passage wall, reduce the incidence rate of postoperative re-blockage and reduce the burden and pain of patients.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a manual rotary cutting device for dredging lacrimal passages.
Background
At present, a lacrimal passage dredging operation is generally to probe a lacrimal passage by using a lacrimal passage probe, wherein the lacrimal passage probe comprises a needle tube and a probe core, and the probe core is arranged in the needle tube; when the probe is inserted into the blocked part of the lacrimal passage, the probe core is drawn out, and then the optical fiber is inserted into the needle tube to probe the lacrimal passage, thus completing the operation of dredging the lacrimal passage; in addition, a retention tube is inserted into the lacrimal passage after the probing is completed, and the retention tube is taken out after the epithelial tissue of the lacrimal passage wall is healed.
However, the inventor of the application finds in long-term practice that the lacrimal passage dredging operation is difficult to recover the smooth state of the lacrimal passage wall of a patient, and the incidence rate of postoperative reocclusion is high; this is because, after the lacrimal duct dredging operation is performed, a residual white fibrous material is attached to the lacrimal duct wall with a high probability, one end of the white fibrous material is released, bacteria and secretions are easily attached to the white fibrous material, and it is difficult to remove the white fibrous material cleanly with a laser or a retention tube.
The above technical problems need to be solved.
Disclosure of Invention
In view of the above, the present invention is directed to a manual rotary cutting device for dredging lacrimal passage, which can effectively remove residual fibers on the wall of lacrimal passage, reduce the incidence of postoperative re-occlusion, and reduce the burden and pain of patients.
The invention provides a manual rotary cutting device for dredging lacrimal passages, which comprises a probe rod with a straight round rod structure and used for extending into the lacrimal passages, wherein a plurality of convex bodies are distributed along the length direction of the probe rod, and the convex bodies are outwards protruded along the radial direction of the probe rod.
As a further improvement of the technical scheme of the invention, the convex body is in a convex arc plate structure, and the convex body is connected with the probe rod through a connecting rod arranged in the middle of the convex body.
As a further improvement of the technical scheme of the invention, the central axis of each convex body is coincided with the central axis of the probe rod.
As a further improvement of the technical scheme of the invention, the convex bodies are uniformly distributed on the outer surface of the probe rod.
As a further improvement of the technical scheme of the invention, the convex bodies are spirally distributed on the outer surface of the probe rod.
As a further improvement of the technical scheme of the invention, the length of the distribution area of the convex body occupies 1/4-1/2 of the length of the probe rod, and the tail end of the distribution area is close to the tail end of the probe rod.
As a further improvement of the technical scheme of the invention, the probe rod is of a hollow structure and forms a liquid flow channel, the tail end of the probe rod is closed, a liquid flow hole is arranged between the two convex bodies on the probe rod, and the liquid flow hole is communicated with the liquid flow channel.
As a further improvement of the technical scheme of the invention, the inner side surface of the convex body is provided with a barb which is J-shaped, and the tip end of the barb faces the connecting rod.
As a further improvement of the technical scheme of the invention, the device also comprises a guide tube with a straight tube structure, the guide tube is of a hollow structure and forms a guide channel, and the probe rod coaxially extends into the guide channel and can axially move; the length of the guide tube is smaller than that of the probe rod, so that the convex body on the probe rod can penetrate out of the tail end of the guide tube along with the probe rod.
As a further improvement of the technical scheme of the invention, a first operating handle is fixed at the head end of the probe rod, a second operating handle is fixed at the head end of the guide tube, and the probe rod penetrates through a hollow duct of the second operating handle and then penetrates into the guide channel.
Compared with the prior art, the invention has the following beneficial technical effects:
when the manual rotary cutting device for dredging the lacrimal passage is used, the probe rod is stretched into the lacrimal passage of a patient, the probe rod is rotated while moving in the lacrimal passage, the convex body on the probe rod contacts the wall of the lacrimal passage and scrapes residual fibers, so that the residual fibers on the wall of the lacrimal passage fall off, and then the lacrimal passage is washed, so that the residual fibers on the wall of the lacrimal passage can be effectively removed, the occurrence rate of postoperative re-blockage is reduced, and the burden and pain of the patient are reduced.
Drawings
FIG. 1 is a schematic view of a first structure of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments; of course, the drawings are simplified schematic drawings, and the scale of the drawings does not limit the patented products.
As shown in fig. 1 to 3: the embodiment provides a manual rotary cutting device for dredging lacrimal passage, which comprises a probe rod 1 with a straight round rod structure and used for extending into the lacrimal passage, wherein a plurality of convex bodies 2 are distributed along the length direction of the probe rod 1, and the convex bodies 2 are outwards protruded along the radial direction of the probe rod 1.
The probe rod 1 is a straight round rod, can be of a hollow or solid structure, can be made of medical metal or hard plastic, and has a smooth outer surface. The length of the probe 1 may be 60mm, for example, and the diameter may be 0.6mm, for example, although the specific parameters may be determined as required. The convex body 2 protrudes from the surface of the probe rod 1, for example, the height of the protrusion may be 0.1 mm.
During the use, stretch into patient's lacrimal passage with probe rod 1, rotatory probe rod 1 when making probe rod 1 remove in the lacrimal passage, protruding body 2 on probe rod 1 contacts lacrimal passage wall and cuts and scrapes remaining fibre for remaining fibre on the lacrimal passage wall drops, washes lacrimal passage afterwards and can effectively clear away the remaining fibre on the lacrimal passage wall, has reduced the postoperative and has blockked up the incidence again, has reduced patient's burden and misery
In this embodiment, the convex body 2 is a convex arc-shaped plate structure, and the convex body 2 is connected with the probe rod 1 through a connecting rod 3 arranged in the middle of the convex body. The convex body 2 is convex outwards along the radial direction of the probe rod 1; the section is made along the radial direction of the probe rod 1, and the convex body 2 is arc-shaped and is a section of an arc; the two sides of the convex body 2 are processed with round corners to avoid bruising the wall of the lacrimal passage; the residual fiber is cut and scraped by the convex body 2 when the probe rod 1 rotates. Preferably, the central axis of each convex body 2 can coincide with the central axis of the probe rod 1.
In this embodiment, the protrusions 2 are uniformly distributed on the outer surface of the probe rod 1, for example, the protrusions are arranged in groups along the axial direction of the probe rod 1, and the distances between adjacent protrusions 2 along the axial direction or the circumferential direction are equal, so as to improve the uniformity during cutting. Preferably, each convex body 2 is spirally distributed on the outer surface of the probe rod 1, and the distance between adjacent convex bodies 2 is equal, so that the number of convex bodies 2 can be reduced, and the cutting and scraping uniformity can be improved. Of course, the convex bodies 2 do not need to be arranged on the whole surface of the probe rod 1, the length of the distribution area of the convex bodies 2 occupies 1/4-1/2 of the length of the probe rod 1, and the tail end of the distribution area is close to the tail end of the probe rod 1, for example, the distribution area of the convex bodies 2 can be from the tail end of the probe rod 1 to the position of 1/3 length thereof.
In the embodiment, the probe rod 1 is of a hollow structure and forms a liquid flow channel 4, the tail end of the probe rod 1 is closed, a liquid flow hole 5 is formed in the probe rod 1 and located between the two convex bodies 2, and the liquid flow hole 5 is communicated with the liquid flow channel 4; the head end of the probe rod 1 is provided with a liquid inlet which is communicated with the liquid flow channel 4 and used for the entry of flushing liquid; the washing liquid is input from the liquid inlet and flows out from the liquid inlet through the liquid flow channel 4, so that the lacrimal passage is washed under the condition that the probe rod 1 does not extend out of the lacrimal passage, the operation process can be simplified, the operation efficiency can be improved, and the pain of a patient can be reduced.
In this embodiment, the inner side surface of the convex body 2 is provided with a barb 6, the barb 6 is in a J shape, and the tip end of the barb faces the connecting rod 3; the inner side surface of the convex body 2 is the side surface facing the probe rod 1; the barb 6 can improve and cut the effect of scraping to remaining fibre, further effectively clears away remaining fibre. A plurality of barbs 6 may be provided, each barb 6 being evenly distributed, for example on four sides of the inner side of the boss 2.
In the embodiment, the device further comprises a guide tube 7 with a straight tube structure, wherein the guide tube 7 is of a hollow structure and forms a guide channel 8, and the probe rod 1 coaxially extends into the guide channel 8 and can axially move; the length of the guide tube 7 is less than that of the probe rod 1, so that the convex body 2 on the probe rod 1 can penetrate out of the tail end of the guide tube 7 along with the probe rod 1. The guide tube 7 can be made of medical metal, the outer surface of the guide tube is smooth, and both ends of the guide tube are of open structures; the diameter of the guide channel 8 can be 0.9mm, for example, and the probe rod 1 can extend into the guide channel and move; the length of the guide tube 7 can be 40mm, for example, and the distribution area of the convex body 2 is completely exposed after the probe rod 1 extends out of the guide channel 8; when the lacrimal passage guide device is used, the guide tube 7 is firstly inserted into the lacrimal passage of a patient, the entry is stopped after the guide tube 7 reaches a proper length, and then the probe rod 1 is introduced through the guide tube 7, so that the damage of the probe rod 1 to the front part of the lacrimal passage can be effectively prevented, and the entry rate of the probe rod 1 is greatly improved; the probe rod 1 can cut and scrape residual fibers in a rotating mode after penetrating out of the tail end of the guide tube 7.
In this embodiment, a first operating handle 9 is fixed to a head end of the probe rod 1, a second operating handle 10 is fixed to a head end of the guide tube 7, and the probe rod 1 penetrates through a hollow duct of the second operating handle 10 and then penetrates into the guide passage 8. The first operating handle 9 and the second operating handle 10 can be hand-held acting components, so that the medical staff can conveniently hold the operating components or the forceps can conveniently hold the operating components.
Finally, the principle and embodiments of the present invention are explained by using specific examples, and the above descriptions of the examples are only used to help understand the core idea of the present invention, and the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified examples also fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a manual rotary-cut device is used in lacrimal passage mediation which characterized in that: the probe rod comprises a straight round rod structure and is used for extending into a lacrimal passage, a plurality of convex bodies are distributed along the length direction of the probe rod, and the convex bodies are outwards protruded along the radial direction of the probe rod.
2. The manual atherectomy device for lacrimal passage dredging of claim 1, wherein: the convex body is in a convex arc plate body structure and is connected with the probe rod through a connecting rod arranged in the middle of the convex body.
3. The manual atherectomy device for lacrimal passage dredging of claim 2, wherein: the central axis of each convex body is coincided with the central axis of the probe rod.
4. The manual atherectomy device for lacrimal passage dredging of claim 2, wherein: the convex bodies are uniformly distributed on the outer surface of the probe rod.
5. The manual atherectomy device for lacrimal passage dredging of claim 2, wherein: each convex body is spirally distributed on the outer surface of the probe rod.
6. The manual atherectomy device for lacrimal passage dredging of claim 5, wherein: the distribution area length of the convex body occupies 1/4-1/2 of the length of the probe rod, and the tail end of the distribution area is close to the tail end of the probe rod.
7. The manual atherectomy device for lacrimal passage dredging of claim 6, wherein: the probe rod is of a hollow structure and forms a liquid flow channel, the tail end of the probe rod is closed, a liquid flow hole is formed between the two convex bodies on the probe rod, and the liquid flow hole is communicated with the liquid flow channel.
8. The manual atherectomy device for lacrimal passage dredging of claim 2, wherein: the medial surface of convex body is equipped with the barb, the barb is "J" shape and its most advanced towards the connecting rod.
9. The manual atherectomy device for lacrimal passage dredging according to any of claims 1 to 8, wherein: the device also comprises a guide tube with a straight tube structure, wherein the guide tube is of a hollow structure and forms a guide channel, and the probe rod coaxially extends into the guide channel and can axially move; the length of the guide tube is smaller than that of the probe rod, so that the convex body on the probe rod can penetrate out of the tail end of the guide tube along with the probe rod.
10. The manual atherectomy device for lacrimal passage dredging of claim 9, wherein: the head end of the probe rod is fixed with a first operating handle, the head end of the guide tube is fixed with a second operating handle, and the probe rod penetrates into the guide channel after penetrating through a hollow hole of the second operating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681929.0A CN111904711A (en) | 2020-07-15 | 2020-07-15 | Manual rotary cutting device is used in mediation of lacrimal passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681929.0A CN111904711A (en) | 2020-07-15 | 2020-07-15 | Manual rotary cutting device is used in mediation of lacrimal passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111904711A true CN111904711A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010681929.0A Pending CN111904711A (en) | 2020-07-15 | 2020-07-15 | Manual rotary cutting device is used in mediation of lacrimal passage |
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| CN (1) | CN111904711A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113749A (en) * | 1994-05-20 | 1995-12-27 | 何爱唯 | Drilling and cutting needle for masolacrimal duct through lacrimal duct |
| CN2261816Y (en) * | 1996-03-28 | 1997-09-10 | 孙鉴 | Core-teeth type aspiration biopsy needle |
| CN2650738Y (en) * | 2003-09-12 | 2004-10-27 | 新疆医科大学 | Improved casing tear duct flushing probe |
| CN203524845U (en) * | 2013-11-05 | 2014-04-09 | 赵明哲 | Novel lacrimal duct obstruction dilator for ophthalmology |
| CN106470616A (en) * | 2014-03-27 | 2017-03-01 | 萨诺库里斯有限公司 | Armarium for tissue displacement |
| GB201713743D0 (en) * | 2016-08-25 | 2017-10-11 | Blink Medical Ltd | Ophthalmic probes |
| CN207253343U (en) * | 2017-03-24 | 2018-04-20 | 南京医科大学第一附属医院 | A kind of Posterior urethral feeler lever and sewing needle |
| CN108324424A (en) * | 2017-01-20 | 2018-07-27 | 闵晓洁 | Lacrimal passage trepan is unimpeded to set guard system |
| CN109199691A (en) * | 2018-11-05 | 2019-01-15 | 逄作祥 | A kind of irrigation of lacrimal passage probing syringe needle of novel belt hose |
| CN111202626A (en) * | 2020-03-13 | 2020-05-29 | 逄作祥 | Lacrimal canaliculus calculus removing device and method for removing lacrimal canaliculus calculus |
-
2020
- 2020-07-15 CN CN202010681929.0A patent/CN111904711A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1113749A (en) * | 1994-05-20 | 1995-12-27 | 何爱唯 | Drilling and cutting needle for masolacrimal duct through lacrimal duct |
| CN2261816Y (en) * | 1996-03-28 | 1997-09-10 | 孙鉴 | Core-teeth type aspiration biopsy needle |
| CN2650738Y (en) * | 2003-09-12 | 2004-10-27 | 新疆医科大学 | Improved casing tear duct flushing probe |
| CN203524845U (en) * | 2013-11-05 | 2014-04-09 | 赵明哲 | Novel lacrimal duct obstruction dilator for ophthalmology |
| CN106470616A (en) * | 2014-03-27 | 2017-03-01 | 萨诺库里斯有限公司 | Armarium for tissue displacement |
| GB201713743D0 (en) * | 2016-08-25 | 2017-10-11 | Blink Medical Ltd | Ophthalmic probes |
| CN108324424A (en) * | 2017-01-20 | 2018-07-27 | 闵晓洁 | Lacrimal passage trepan is unimpeded to set guard system |
| CN207253343U (en) * | 2017-03-24 | 2018-04-20 | 南京医科大学第一附属医院 | A kind of Posterior urethral feeler lever and sewing needle |
| CN109199691A (en) * | 2018-11-05 | 2019-01-15 | 逄作祥 | A kind of irrigation of lacrimal passage probing syringe needle of novel belt hose |
| CN111202626A (en) * | 2020-03-13 | 2020-05-29 | 逄作祥 | Lacrimal canaliculus calculus removing device and method for removing lacrimal canaliculus calculus |
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Application publication date: 20201110 |
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| RJ01 | Rejection of invention patent application after publication |