CN114246730A - Rotation type glass crop head and glass cutting device thereof - Google Patents

Rotation type glass crop head and glass cutting device thereof Download PDF

Info

Publication number
CN114246730A
CN114246730A CN202111575910.9A CN202111575910A CN114246730A CN 114246730 A CN114246730 A CN 114246730A CN 202111575910 A CN202111575910 A CN 202111575910A CN 114246730 A CN114246730 A CN 114246730A
Authority
CN
China
Prior art keywords
glass
cutting
guide wire
power assembly
piston
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.)
Pending
Application number
CN202111575910.9A
Other languages
Chinese (zh)
Inventor
田蓓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Tongren Hospital
Original Assignee
Beijing Tongren Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Tongren Hospital filed Critical Beijing Tongren Hospital
Priority to CN202111575910.9A priority Critical patent/CN114246730A/en
Publication of CN114246730A publication Critical patent/CN114246730A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • 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
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
    • A61F2009/00874—Vitreous
    • 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
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease

Landscapes

  • 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)
  • Surgical Instruments (AREA)

Abstract

The invention relates to the technical field of medical instruments, in particular to a rotary type glass cutting head and a glass cutting device thereof. The rotary vitrectomy head of the present invention comprises: the catheter comprises a sheath and a guide wire, wherein the wall of the sheath is provided with a suction hole which is communicated with the lumen of the sheath; the guide wire comprises a cutting part which is of a spiral structure, is arranged in the tube sheath and rotates in the tube sheath under the driving of external force; the cutting part cuts the glass body entering the suction hole through rotation. The glass cutting device comprises a rotary glass cutting head, an installation shell, a piston, a power assembly and an attraction interface, wherein the power assembly is connected with the attraction interface, attraction is kept while cutting, and a cut glass body enters a first cavity under the double actions of a cutting part and a suction action to realize cutting.

Description

Rotation type glass crop head and glass cutting device thereof
Technical Field
The invention relates to the technical field of medical instruments, in particular to a rotary type glass cutting head and a glass cutting device thereof.
Background
The glass cutting machine is applied to the operation of cutting the vitreous body, and the vitreous body is a semisolid colloidal substance in the eye and is filled in the cavity of the vitreous body. Normally, the vitreous has good light transmission to allow the retina to adhere to the choroid. If the vitreous body is diseased, a light person can feel that mosquitoes fly in front of eyes when seeing the vitreous body, a heavy person can completely shield light rays to lose sight, and peripheral tissue diseases such as retinal detachment and the like can be caused, so that the whole eyeball is damaged.
The glass cutting machine is a large-scale special device for performing the glass cutting operation, is complex to operate, is high in price, is limited by a field, and is inconvenient to carry.
Disclosure of Invention
The invention provides a rotary glass cutting head and a glass cutting device thereof, which aim to solve the problem that a glass cutting machine in the prior art is inconvenient to carry.
The technical scheme of the invention is as follows:
a rotary vitrectomy head, comprising: the catheter comprises a sheath and a guide wire, wherein the wall of the sheath is provided with a suction hole which is communicated with the lumen of the sheath; the guide wire comprises a cutting part which is of a spiral structure, is arranged in the tube sheath and rotates in the tube sheath under the driving of external force; the cutting part penetrates through the suction hole, and when the guide wire rotates, the cutting part cuts the vitreous body entering the suction hole through rotation.
A glass cutting device comprises the rotary glass cutting head.
This glass cuts device still includes: the tube sheath is arranged at the end part of the mounting shell; the piston is arranged in the inner cavity of the mounting shell and is tightly attached to the inner wall of the mounting shell; the piston divides the inner cavity of the mounting shell into a first cavity and a second cavity; the piston is provided with a through hole, the guide wire sequentially passes through the first cavity and the through hole and then is connected with the power assembly, and the power assembly drives the guide wire to rotate; the glass cutting device further comprises an attraction interface, the attraction interface is arranged on the installation shell and communicated with the second cavity, the power assembly is connected to the attraction interface, the power assembly drives the piston to slide along the inner wall of the installation shell through negative pressure generated in the second cavity and simultaneously generates suction effect on the first cavity, and the cut vitreous body is sucked into the first cavity.
Preferably, the power assembly is arranged on one side of the second cavity, and the guide wire sequentially passes through the first cavity, the through hole and the second cavity and then is connected with the power assembly.
Preferably, the mounting shell is of a cylindrical structure, and the tube sheath, the guide wire and the through hole are coaxially arranged with the mounting shell.
Preferably, the guidewire comprises: the connecting part is connected with the cutting part, the cutting part is connected with the tube sheath, the connecting part is connected with the power assembly, the connecting part is of a rod-shaped structure, and the radial size of the connecting part is larger than that of the cutting part.
Preferably, the edge of the piston and the structure on the through hole are hemispherical structures.
Preferably, the mounting case includes: the piston comprises a first shell and a second shell, wherein the first shell and the second shell are connected through a detachable structure, and the stroke of the piston does not exceed the position of the detachable structure.
Preferably, the glass cutting device further comprises a blocking plate, wherein the blocking plate is arranged on the inner wall of the second chamber and is suitable for blocking the piston from being separated from the first shell.
Preferably, the power assembly comprises: a micro vacuum pump and a micro motor; the micro vacuum pump is connected with the suction interface, and the micro motor is connected with the guide wire; the micro motor is arranged on the second shell, and when the glass cutting is finished, the first shell and the second shell can be detached and separated.
The technical scheme of the invention has the following advantages:
1. the rotary vitrectomy head of the present invention comprises: the catheter comprises a sheath and a guide wire, wherein the wall of the sheath is provided with a suction hole which is communicated with the lumen of the sheath; the guide wire comprises a cutting part which is of a spiral structure, is arranged in the tube sheath and rotates in the tube sheath under the driving of external force; the cutting part penetrates through the suction hole, and when the guide wire rotates, the cutting part cuts the vitreous body entering the suction hole through rotation.
When the glass cutting head is used, the cutting part is of a spiral structure, so that on one hand, a glass body entering the suction hole can be cut in the rotating process, on the other hand, the cut glass body can be extruded and pushed out of the inner cavity of the tube sheath in the rotating process, the guide wires of the conventional cutting head reciprocate back and forth, the cutting is realized through the reciprocating motion, and the cut glass body cannot be effectively extruded out, particularly the viscous glass body, by the aid of the reciprocating cutting glass cutting head.
2. The glass cutting device of the present invention further comprises: the mounting shell, the piston and the power assembly are arranged, and the tube sheath is arranged at the end part of the mounting shell; the piston is arranged in the inner cavity of the mounting shell and is tightly attached to the inner wall of the mounting shell; the piston divides the inner cavity of the mounting shell into a first cavity and a second cavity; the piston is provided with a through hole, the guide wire sequentially passes through the first chamber and the through hole and then is connected with the power assembly, and the power assembly drives the guide wire to rotate; this glass cuts device still includes the attraction interface, attracts the interface setting on the installation shell, and communicates with the second cavity, and power component connects on the attraction interface, and power component slides along the inner wall of installation shell with the drive piston through producing the negative pressure in the second cavity, produces suction effect to first cavity simultaneously, and the vitreous body after will cutting pumps to first cavity.
When the glass cutting machine is used, the power assembly drives the guide wire to act, the power assembly is connected with the suction interface, suction is kept while cutting, and the cut glass body enters the first cavity under the double effects of the cutting part and the suction effect to realize cutting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a partial schematic view of a vitrectomy head of the present invention;
FIG. 2 is a cross-sectional view of the vitrectomy head of FIG. 1;
FIG. 3 is a schematic view of a glass cutting apparatus of the present invention;
FIG. 4 is a schematic cross-sectional view of a first embodiment of the glass cutting apparatus of the present invention;
FIG. 5 is a schematic cross-sectional view of a second embodiment of the glass cutting apparatus of the present invention;
fig. 6 is a schematic view of the piston shown in fig. 4 and 5.
Description of reference numerals:
1-tube sheath; 2-sucking holes; 3-guide wire; 4-a cutting section; 5-a connecting part; 6-mounting the shell; 7-a first housing; 8-a second housing; 9-a piston; 10-a first chamber; 11-a second chamber; 12-a through hole; 13-shaft sleeve; 14-a micro motor; 15-a barrier plate; 16-suction interface.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The glass cutting device that this embodiment provided, as shown in fig. 1-6, includes rotation type glass cutting head, and this glass cutting head includes: the catheter comprises a sheath 1 and a guide wire 3, wherein a suction hole 2 is formed in the wall of the sheath 1, and the suction hole 2 is communicated with the inner cavity of the sheath 1; the guide wire 3 comprises a cutting part 4, wherein the cutting part 4 is of a spiral structure, is arranged in the tube sheath 1 and rotates in the tube sheath 1 under the driving of external force; the cutting part 4 is arranged to penetrate through the suction hole 2, and when the guide wire 3 rotates, the cutting part 4 cuts the vitreous body entering the suction hole 2 through rotation.
When in use, the cutting part 4 is of a spiral structure, so that on one hand, the glass body entering the suction hole 2 can be cut in the rotating process, on the other hand, the cut glass body sample can be extruded out of the inner cavity of the tube sheath 1 in the rotating process, the guide wire 3 of the existing cutting head reciprocates back and forth, the cutting is realized through the reciprocating motion, and the cut glass body cannot be extruded out effectively through the reciprocating cutting head.
This glass cuts device still includes: the tube sheath 1 is arranged at the end part of the mounting shell 6; the piston 9 is arranged in the inner cavity of the mounting shell 6 and is tightly attached to the inner wall of the mounting shell 6; the piston 9 divides the inner cavity of the mounting shell 6 into a first chamber 10 and a second chamber 11;
a through hole 12 is formed in the piston 9, the guide wire 3 sequentially penetrates through the first chamber 10 and the through hole 12 and then is connected with a power assembly, and the power assembly drives the guide wire 3 to rotate; the glass cutting device further comprises an attraction interface 16, the attraction interface 16 is arranged on the mounting shell 6 and is communicated with the second chamber 11, the power assembly is connected to the attraction interface 16, the power assembly generates negative pressure in the second chamber 11 to drive the piston 9 to slide along the inner wall of the mounting shell 6, meanwhile, the suction effect is generated on the first chamber 10, and the cut glass body is sucked into the first chamber 10.
In this embodiment, the power assembly includes: a micro vacuum pump and micro motor 14; the micro vacuum pump is connected with the suction interface 16, and the micro motor 14 is connected with the guide wire 3; the micro motor 14 is disposed on the second housing 8, and when the glass cutting is completed, the first housing 7 and the second housing 8 can be detached and separated.
When the glass cutting device is used, the power assembly drives the guide wire 3 to act, the power assembly is connected with the suction interface 16, suction is kept while cutting, and the cut glass body enters the first cavity 10 under the double effects of the cutting part 4 and the suction effect to realize cutting. In this embodiment, the power assembly employs a micro motor 14 and a shaft sleeve 13 connected to the micro motor 14, and the micro motor 14 drives the guide wire 3 to rotate through the shaft sleeve 13.
The power assembly is arranged on one side of the second cavity 11, and the guide wire 3 sequentially passes through the first cavity 10, the through hole 12 and the second cavity 11 and then is connected with the power assembly.
As an alternative embodiment of the power module, as shown in fig. 5, the power module may be disposed within the second chamber 11, with the suction structure passing through the power module and communicating with the second chamber 11.
Specifically, the mounting shell 6 is a cylindrical structure, and the sheath 1, the guide wire 3, and the through hole 12 are coaxially arranged with the mounting shell 6. Of course, those skilled in the art can configure the mounting shell 6 into other shapes according to the actual use situation, such as a cube shape, etc., and the sheath 1, the guide wire 3, and the through hole 12 may not be coaxially arranged with the mounting shell 6, and may be arranged at a position close to the inner wall of the mounting shell 6 for convenience of use.
The guide wire 3 further comprises a connecting part 5 connected with the cutting part 4, the cutting part 4 is connected with the tube sheath 1, the connecting part 5 is connected with the power assembly, the connecting part 5 is of a rod-shaped structure, and the radial size of the connecting part 5 is larger than that of the cutting part 4.
Specifically, the edge of the piston 9 and the structure on the through hole 12 are hemispherical structures, so that the resistance between the edge and the inner wall of the mounting shell 6 and the resistance between the edge and the connecting part 5 are reduced, the power assembly can adopt a more compact structure, and the portability is improved.
Specifically, the mounting case 6 includes: the piston comprises a first shell 7 and a second shell 8, wherein the first shell 7 is connected with the second shell 8 through a detachable structure, and the stroke of the piston 9 does not exceed the position of the detachable structure.
As a further improvement machine, the glass cutting device further comprises a blocking plate 15, wherein the blocking plate 15 is arranged on the inner wall of the second chamber 11 and is suitable for blocking the piston 9 from being separated from the first shell 7, and the blocking plate 15 is preferably made of flexible materials, so that the piston 9 can be conveniently taken out subsequently, and the glass body in the first chamber 10 can be processed.
As a further improvement, the power assembly is arranged on the second housing 8, and after the glass cutting is completed, the first housing 7 and the second housing 8 can be detached and separated, so that the cut vitreous body can be tested and the like conveniently, and the first housing 7 and the structure connected with the first housing 7 are replaced to different patients, so that the second housing 8 and the power assembly are reserved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims (10)

1. A rotary vitrectomy head, comprising:
the pipe sheath (1) is provided with a suction hole (2) on the pipe wall, and the suction hole (2) is communicated with the inner cavity of the pipe sheath (1);
the guide wire (3) comprises a cutting part (4), the cutting part (4) is of a spiral structure, is arranged in the tube sheath (1), and rotates in the tube sheath (1) under the driving of external force; the cutting part (4) penetrates through the suction hole (2), and when the guide wire (3) rotates, the cutting part (4) cuts the glass body entering the suction hole (2) through rotation.
2. A glass cutting apparatus comprising the rotary glass cutting head of claim 1.
3. The glass cutting apparatus of claim 2, further comprising:
the mounting shell (6), the tube sheath (1) is mounted at the end part of the mounting shell (6);
the piston (9) is arranged in the inner cavity of the mounting shell (6) and is tightly attached to the inner wall of the mounting shell (6); the piston (9) divides the inner cavity of the mounting shell (6) into a first chamber (10) and a second chamber (11); a through hole (12) is formed in the piston (9), the guide wire (3) sequentially penetrates through the first cavity (10) and the through hole (12) and then is connected with a power assembly, and the power assembly drives the guide wire (3) to rotate;
the suction interface (16) is arranged on the mounting shell (6) and communicated with the second chamber (11), the power assembly is connected to the suction interface (16), the power assembly generates negative pressure in the second chamber (11) to drive the piston (9) to slide along the inner wall of the mounting shell (6) and simultaneously generates suction effect on the first chamber (10), and the cut glass body is sucked into the first chamber (10).
4. The glass cutting device according to claim 3, characterized in that the power assembly is arranged on one side of the second cavity (11), and the guide wire (3) sequentially passes through the first cavity (10), the through hole (12) and the second cavity (11) and then is connected with the power assembly.
5. The glass cutting device according to claim 4, characterized in that the mounting shell (6) is of a cylindrical structure, and the sheath (1), the guide wire (3), the through hole (12) and the mounting shell (6) are coaxially arranged.
6. The glass cutting device according to claim 3, characterized in that the guide wire (3) further comprises: the cutting device comprises a connecting portion (5) connected with the cutting portion (4), the cutting portion (4) is connected with a pipe sheath (1), the connecting portion (5) is connected with a power assembly, the connecting portion (5) is of a rod-shaped structure, and the radial size of the connecting portion is larger than that of the cutting portion (4).
7. A glass cutting device according to claim 3, characterized in that the edge of the piston (9) and the structure on the through hole (12) are of hemispherical structure.
8. The glass cutting device according to any one of claims 3 to 7, characterized in that the mounting housing (6) comprises:
a first housing (7) and a second housing (8), the first housing (7) and the second housing (8) are connected through a detachable structure, and the stroke of the piston (9) does not exceed the position of the detachable structure.
9. The glass-cutting device according to claim 8, characterized in that it further comprises a blocking plate (15), said blocking plate (15) being provided on the inner wall of the second chamber (11) and being adapted to block the piston (9) from disengaging from the first housing (7).
10. The glass cutting apparatus of claim 9, wherein the power assembly includes:
a micro vacuum pump and a micro motor (14); the micro vacuum pump is connected with the suction interface (16), and the micro motor (14) is connected with the guide wire (3); the micro motor (14) is arranged on the second shell (8), and the first shell (7) and the second shell (8) can be detached and separated after the glass cutting is finished.
CN202111575910.9A 2021-12-21 2021-12-21 Rotation type glass crop head and glass cutting device thereof Pending CN114246730A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111575910.9A CN114246730A (en) 2021-12-21 2021-12-21 Rotation type glass crop head and glass cutting device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111575910.9A CN114246730A (en) 2021-12-21 2021-12-21 Rotation type glass crop head and glass cutting device thereof

Publications (1)

Publication Number Publication Date
CN114246730A true CN114246730A (en) 2022-03-29

Family

ID=80796590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111575910.9A Pending CN114246730A (en) 2021-12-21 2021-12-21 Rotation type glass crop head and glass cutting device thereof

Country Status (1)

Country Link
CN (1) CN114246730A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116687662A (en) * 2023-06-28 2023-09-05 图湃(北京)医疗科技有限公司 glass cutting head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116687662A (en) * 2023-06-28 2023-09-05 图湃(北京)医疗科技有限公司 glass cutting head
CN116687662B (en) * 2023-06-28 2023-10-31 图湃(北京)医疗科技有限公司 Glass cutting head

Similar Documents

Publication Publication Date Title
RU2687770C2 (en) Ophthalmologic lubrication system and associated devices, systems and methods
CN105190034B (en) System and method for ophthalmologic operation
CN217245132U (en) Portable glass cutting system
CN114246730A (en) Rotation type glass crop head and glass cutting device thereof
TW201618737A (en) Double-acting vitreous probe with contoured port
JPS6364982B2 (en)
BR112015021420A2 (en) systems and methods for eye surgery
US10507134B2 (en) Systems and methods for pulsed posterior vitreous detachment creation
CN112675026A (en) Ophthalmic eye washing device and using method
CN113558948A (en) Intelligent meibomian gland therapeutic apparatus
CN217245131U (en) Rotation type glass crop head and glass cutting device thereof
CN116687662B (en) Glass cutting head
CN110404124A (en) A kind of auto-pumping device
CN114246732A (en) Portable glass cutting system
CN210331244U (en) Electric breast pump
CN114848025A (en) Disposable aqueous humor sample collecting device
CN113769184A (en) Multifunctional aspirator head for ear, nose, throat, head and neck surgery
CN117180002A (en) Cutting and sucking integrated rotary multi-blade glass cutting head
CN217245128U (en) Intraocular fluid collecting device
CN112587300B (en) Vitreous cutting head for cutting vitreous body of eye tissue
CN112587301B (en) Double-tube type vitreous cutting head for excision of ophthalmic vitreous body
CN211410050U (en) Bionic finger-pressure massage cup of breast beautifying instrument
CN219500970U (en) Clinical treatment device for gastroenterology
CN219835652U (en) Convenient suction cutter
CN112545749B (en) Float-suction type eye tissue vitreous body cutting head

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination