CN116942226A - Lacrimal retractor - Google Patents
Lacrimal retractor Download PDFInfo
- Publication number
- CN116942226A CN116942226A CN202310925527.4A CN202310925527A CN116942226A CN 116942226 A CN116942226 A CN 116942226A CN 202310925527 A CN202310925527 A CN 202310925527A CN 116942226 A CN116942226 A CN 116942226A
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- Prior art keywords
- arc
- retractor
- lacrimal
- support arm
- arm
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- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 208000026721 nail disease Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0231—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for eye surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0206—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with antagonistic arms as supports for retractor elements
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The application discloses a lacrimal retractor, and belongs to the technical field of medical appliances. The application solves the problems that arc nails of the lacrimal sac retractor are easy to fall off and deform and the retracting effect is affected in the prior art. The application comprises two supporting arms, one end of each supporting arm is provided with a retracting mechanism, the other end of each supporting arm is provided with a distance adjusting mechanism, each retracting mechanism comprises at least two arc nails, each arc nail consists of a straight part and an arc part, each supporting arm is provided with a bendable metal sheet in a sliding way, each straight part and each arc part of each arc nail are connected with each metal sheet in a sliding way, each metal sheet is connected with a driving mechanism for enabling the metal sheet to move towards a direction close to or far away from the corresponding arc part, when the retractor is used, the corresponding arc nail is not provided with the corresponding metal sheet, the arc parts of the arc nails are small in size and can be easily inserted into body tissues of a patient, the metal sheets are extended to the corresponding arc parts after the insertion, and at the moment, the whole arc nails are connected through the corresponding metal sheets, so that the problem that the arc nails deform or even fall under the action of retracting force is effectively avoided.
Description
Technical Field
The application belongs to the technical field of medical appliances, and particularly relates to a lacrimal retractor.
Background
The lacrimal sac retractor belongs to an ophthalmic surgical instrument, can collect muscle tissues, fully expose visual field, has good hemostatic effect and promotes the rapid and smooth operation.
The existing lacrimal sac retractor generally comprises two supporting arms which are split, the rear ends of the two supporting arms are connected to an operation screw, the front ends of the two supporting arms are respectively provided with an arc-shaped retracting claw, each retracting claw consists of at least two arc-shaped nails welded on the supporting arm, and when the existing lacrimal sac retractor is used, the arc-shaped nails are easy to fall off and deform under the action of traction force, so that the retracting effect is influenced, and the health of a patient is possibly endangered.
Disclosure of Invention
The application provides a lacrimal retractor aiming at the problems in the prior art.
The technical scheme adopted by the application is as follows:
the utility model provides a dacryocyst retractor, includes two support arms, the one end of support arm is provided with the mechanism of pulling back, and the other end is provided with distance adjustment mechanism, the mechanism of pulling back includes two at least arc nails, and the arc nail comprises straight portion and arc portion, slide on the support arm and be provided with flexible sheetmetal, straight portion and the arc portion of arc nail all with sheetmetal sliding connection, the sheetmetal is connected with the actuating mechanism that makes the sheetmetal move towards the direction that is close to or keep away from arc portion.
After the technical scheme is adopted, the straight parts of the arc nails are connected through the metal sheets, the straight parts of the arc nails and the metal sheets are simultaneously contacted with tissues at the operation incision of a patient when the retractor is used, the joint stress is applied, the arc parts of the arc nails are not provided with the metal sheets, the arc parts of the arc nails are small in size and can be easily inserted into tissues of the body of the patient, then the metal sheets are driven to move towards the arc parts through the driving mechanism after the distance between the two support arm channels is adjusted by the distance adjusting mechanism, the metal sheets can smoothly enter the tissues of the body of the patient due to the guiding effect provided by the arc parts, and meanwhile, the whole arc nails are connected through the metal sheets, so that the problem that the arc nails deform or even fall off under the action of the retracting force is effectively avoided.
Preferably, the distance adjusting mechanism is rotatably connected to the two support arms.
After the technical scheme is adopted, the existing lacrimal sac retractor is of a straight structure generally, when the traction end is placed into a human body, the adjustment end is in contact with the skin of a patient, the adjustment is inconvenient, if the adjustment end is rotated upwards for convenient adjustment, the traction end can possibly cause pulling of tissues of the patient, the patient is injured, and therefore the distance adjustment mechanism is rotationally connected with the two support arms, and the opening angle is convenient to adjust.
Preferably, the distance adjusting mechanism comprises two fixing arms, the two fixing arms are respectively connected with the two supporting arms in a rotating mode, two fixing rods are arranged on one fixing arm, two through grooves matched with the two fixing rods are formed in the other fixing arm, the fixing rods penetrate through the through grooves, clamping pieces which are spliced into a cylindrical structure by a plurality of annular pieces are arranged on the fixing arms provided with the through grooves, the clamping pieces are communicated with the through grooves, a fixing ring is connected to the clamping pieces in a threaded mode, and the inner diameter of the fixing ring is gradually reduced from one side close to the other fixing arm.
After the technical scheme is adopted, the fixing ring is made to be far away from the clamping piece through rotating the fixing ring, the gap between the clamping piece and the fixing rod is enlarged, so that the fixing rod can slide between the clamping piece and the through groove, the distance between the two fixing arms is adjusted, the fixing ring is rotated in the opposite direction after the fixing rod is adjusted, the existing distance adjusting mechanism is generally opened for forming an included angle, so that the arc nails at the pulling end are stressed unevenly, the arc nails are stressed more easily to deform or break away, and when the distance adjusting mechanism is pulled, one supporting arm moves equidistantly compared with each part of the other supporting arm, so that the stress of each part at the pulling end is even, and the arc nails are not easily broken or deformed.
Preferably, the support arm is provided with a mounting groove matched with the fixed arm, one side of the mounting groove, which is close to the retracting mechanism, is provided with a hinge groove communicated with the mounting groove, a hinge column is fixedly arranged in the hinge groove, the fixed arm is provided with a sleeve, the sleeve is sleeved on the hinge column and is in friction connection with the hinge column, and the support arm is provided with a first locking mechanism and a second locking mechanism for locking the fixed arm.
After the technical scheme is adopted, the fixed arm which rotates to a required angle is fixed through the first locking mechanism and the second locking mechanism.
Preferably, the first locking mechanism is a blocking piece rotatably connected to the supporting arm, and the blocking piece is arranged around the notch of the hinge groove.
Preferably, the second locking mechanism is two elastic plates oppositely arranged around the notch of the hinge groove, the two elastic plates incline towards the hinge groove, and the opposite sides of the two elastic plates are provided with silica gel anti-slip pads.
After the technical scheme is adopted, the fixing arm is fixed by clamping the two elastic plates.
Preferably, the driving mechanism is connected to the distance adjusting mechanism.
After the technical scheme is adopted, when the distance adjusting mechanism rotates, the driving mechanism is driven to move, and therefore the metal sheet is driven to move through the driving mechanism.
Preferably, the driving mechanism comprises a fixing plate arranged on the opposite side of the support arm, the fixing plate is internally provided with a cavity, one end, far away from the support arm, in the cavity is fixedly provided with an elastic piece, the support arm is provided with a chute communicated with the cavity, one end of the metal sheet penetrates through the chute and is fixedly connected with the elastic piece arranged in the cavity, two sides of the middle part of one end, connected with the elastic piece, of the metal sheet are respectively fixedly provided with a connecting rope, one side, close to the support arm, of the fixing plate is provided with a through hole, and one end of the connecting rope penetrates through the through hole and one end, far away from the retracting mechanism, of the distance adjusting mechanism.
After the technical scheme is adopted, when the pulling mechanism rotates to stand, the metal sheet is positioned in the cavity under the pulling force of the elastic piece, when the pulling mechanism rotates to be horizontal, the connecting rope drives the metal sheet to move downwards in the cavity under the pulling force of the pulling mechanism, and the moving of the metal sheet is completed when the pulling mechanism is contained, so that the operation steps are saved.
Preferably, the three arc-shaped nails are arranged, the opposite sides of the two arc-shaped nails at the two ends are provided with guide grooves matched with the metal sheets, and the arc-shaped nails in the middle are provided with hollow grooves matched with the metal sheets.
Preferably, a pressing sheet is arranged on one side, close to the fixing plate, of the supporting arm, two ends of the pressing sheet are fixedly connected with the supporting arm, and two connecting ropes penetrate through gaps on the pressing sheet and the supporting arm to be connected with the adjusting mechanism.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
1. the straight parts of the arc nails are connected through the metal sheets, the straight parts of the arc nails and the metal sheets are simultaneously contacted with tissues at the operation incision of a patient when the retractor is used, the joint stress is applied, the arc parts of the arc nails are not provided with the metal sheets, the arc parts of the arc nails are small in size and can be easily inserted into the tissues of the body of the patient, then the metal sheets are driven to move towards the arc parts through the driving mechanism after the distance between the two support arm channels is adjusted by the distance adjusting mechanism, and due to the guiding effect provided by the arc parts, the metal sheets can smoothly enter the tissues of the body of the patient, at the moment, the whole arc nails are connected through the metal sheets, and the metal sheets are jointly stressed with the arc nails, so that the problem that the arc nails deform or even fall off under the action of the retracting force is effectively avoided.
2. When the pulling mechanism rotates to be vertical, the metal sheet is positioned in the cavity under the pulling force of the elastic piece, and when the pulling mechanism rotates to be horizontal, the connecting rope drives the metal sheet to move downwards in the cavity under the pulling force of the pulling mechanism, which is equivalent to the movement of the metal sheet when the pulling mechanism is contained, and the operation steps are saved.
3. The existing distance adjusting mechanism is generally opened at an included angle, so that each arc-shaped nail at the pulling end is unevenly stressed and is more easily deformed or separated, and when the distance adjusting mechanism is pulled, one supporting arm moves equidistantly compared with each part of the other supporting arm, so that each part of the pulling end is evenly stressed and is less easily broken or deformed.
Drawings
FIG. 1 is a schematic view of the front structure of the metal sheet of the present application when it is positioned over the entire arc nail;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the metal sheet of FIG. 1 in a straight portion;
FIG. 4 is a schematic view of the structure of the metal sheet of the present application when it is positioned over the arc-shaped nail;
FIG. 5 is a schematic view of a distance adjusting mechanism according to the present application;
FIG. 6 is a schematic diagram of a driving mechanism according to the present application;
FIG. 7 is a schematic view of the connection structure of the fixing arm and the supporting arm in the present application;
the device comprises a 1-supporting arm, a 2-arc-shaped nail, a 3-metal sheet, a 4-fixing plate, a 6-fixing rod, a 7-fixing ring, an 8-elastic plate, a 9-connecting rope, a 10-pressing sheet, a 11-guiding groove, a 12-elastic piece, a 13-hinging groove, a 14-mounting groove, a 15-baffle plate, a 16-sleeve and a 17-hinging column.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
In describing embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is conventionally put in place when used, merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
1-7, including two support arms 1, the one end of support arm 1 is provided with the mechanism of pulling back, and the other end is provided with distance adjustment mechanism, the mechanism of pulling back includes two at least arc nails 2, and arc nail 2 comprises straight portion and arc portion, slide on support arm 1 and be provided with flexible sheetmetal 3, straight portion and the arc portion of arc nail 2 all with sheetmetal 3 sliding connection, sheetmetal 3 is connected with the actuating mechanism that makes sheetmetal 3 move towards the direction that is close to or keeps away from the arc portion.
In this embodiment, the distance adjusting mechanism is rotatably connected to the two support arms 1.
In this embodiment, the distance adjustment mechanism includes two fixed arms 5, and two fixed arms 5 rotate with two support arms 1 respectively to be connected, be provided with two dead levers 6 on one of them fixed arm 5, be provided with two respectively with two dead lever 6 complex logical groove on another fixed arm 5, dead lever 6 pass logical groove is provided with the joint spare that the tubular structure was spliced into by several ring piece on the fixed arm 5 that is provided with logical groove, joint spare and logical groove intercommunication, threaded connection has solid fixed ring 7 on the joint spare, gu fixed ring 7's internal diameter begins to shrink gradually from the one side that is close to another fixed arm 5.
In this embodiment, be provided with on the support arm 1 with fixed arm 5 complex mounting groove 14, one side that the mounting groove 14 is close to the retracting mechanism is provided with the hinge slot 13 with mounting groove 14 intercommunication, hinge slot 13 internal fixation is provided with hinge post 17, be provided with sleeve 16 on the fixed arm 5, sleeve 16 cover is established on hinge post 17 to with hinge post 17 friction connection, be provided with first locking mechanism and the second locking mechanism that is used for locking fixed arm 5 on the support arm 1.
In this embodiment, the first locking mechanism is a blocking piece 15 rotatably connected to the support arm 1, and the blocking piece 15 is disposed around the notch of the hinge slot 13.
In this embodiment, the second locking mechanism is two elastic plates 8 oppositely arranged around the notch of the hinge slot 13, two elastic plates 8 incline towards the hinge slot 13, and two opposite sides of the elastic plates 8 are respectively provided with a silica gel anti-slip pad.
In this embodiment, the arc nails 2 are provided with three, the opposite sides of the two arc nails 2 at two ends are provided with guide grooves 11 matched with the metal sheets 3, and the arc nails 2 in the middle are provided with hollow grooves matched with the metal sheets 3.
One side of the support arm 1, which is close to the fixed plate 4, is provided with a pressing piece 10, two ends of the pressing piece 10 are fixedly connected with the support arm 1, and two connecting ropes penetrate through gaps on the pressing piece 10 and the support arm 1 to be connected with an adjusting mechanism.
This embodiment is substantially the same as embodiment 1 except that: in this embodiment, the driving mechanism is connected to the distance adjusting mechanism.
In this embodiment, actuating mechanism is including setting up the fixed plate 4 that is provided with the opposite side of arc nail 2 at support arm 1, be provided with the cavity in the fixed plate 4, the one end that keeps away from support arm 1 in the cavity is fixed to be provided with elastic component 12, be provided with the spout with the cavity intercommunication on the support arm 1, the one end of sheetmetal 3 passes the spout is with the elastic component 12 fixed connection who sets up in the cavity, the middle part both sides of the one end that sheetmetal 3 is connected with elastic component 12 are fixed respectively and are provided with connecting rope 9, one side that the fixed plate 4 is close to support arm 1 is provided with the through-hole, the one end of connecting rope 9 passes the through-hole is connected with the one end that distance adjustment mechanism kept away from the retracting mechanism.
In this embodiment, the metal sheet 3 is medical stainless steel.
In this embodiment, the elastic plate 8 is an iron plate.
In this embodiment, the elastic member 12 is a spring.
The application method of the application is as follows: as shown in fig. 1-7, when in use, the straight parts of each arc-shaped nail 2 are connected through the metal sheet 3, the pulling end is placed into the operation incision of a patient, the arc parts of each arc-shaped nail 2 are inserted into the tissue of the patient, the straight parts of each arc-shaped nail 2 and the metal sheet 3 are simultaneously contacted with the tissue of the operation incision of the patient, the two fixing arms 5 are stressed jointly, then the two fixing arms 5 are clamped into the two elastic plates 8 respectively, the two clamping arms 5 are fixed through the elastic plates 8, the two clamping arms 5 are kept in an upright state, then the fixing ring 7 is rotated, the gap between the clamping piece and the fixing rod 6 is enlarged, then the fixing rod 6 can be slid, after the distance between the two supporting arms 1 is adjusted to a proper position, the fixing ring 7 is rotated in the opposite direction, the gap between the clamping piece and the fixing rod 6 is reduced until the fixing rod 6 cannot move, then the two fixing arms 5 are rotated in the direction close to the mounting groove 14, and one ends of the connecting ropes 9 are connected with the fixing arms 5, therefore, the connecting ropes 9 drive the metal sheet 3 to move down the metal sheet 3 along the guide grooves 11, the arc-shaped nail 2 can be prevented from being pulled down along the corresponding to the guide grooves 13, the arc-shaped nail 2 can be fixed, and the force can be prevented from being pulled down by the arc-shaped nail 5, and the whole guide grooves 2 can be fixed by the arc-shaped nail 13.
Then rotate and pass through the suitable distance of two support arm ways of distance adjustment mechanism regulation back rethread actuating mechanism drive sheetmetal towards arc portion removal, because the guide effect that arc portion provided, the sheetmetal can get into patient's health tissue smoothly in, and each whole arc nail is connected through the sheetmetal this moment, and the sheetmetal atress jointly with each arc nail has effectively avoided the arc nail deformation even the problem that drops under the effect of retracting.
The above examples merely illustrate specific embodiments of the application, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the technical idea of the application, which fall within the scope of protection of the application.
Claims (10)
1. The utility model provides a dacryocyst retractor, includes two support arms (1), the one end of support arm (1) is provided with the mechanism of pulling back, and the other end is provided with apart from adjustment mechanism, the mechanism of pulling back includes two at least arc nails (2), and arc nail (2) are by straight portion and arc portion constitution, its characterized in that: the support arm (1) is provided with a bendable metal sheet (3) in a sliding manner, the straight part and the arc part of the arc nail (2) are both in sliding connection with the metal sheet (3), and the metal sheet (3) is connected with a driving mechanism which enables the metal sheet (3) to move towards a direction close to or far away from the arc part.
2. The lacrimal retractor of claim 1, wherein: the distance adjusting mechanism is rotatably connected with the two supporting arms (1).
3. The lacrimal retractor of claim 2, wherein: the distance adjusting mechanism comprises two fixing arms (5), the two fixing arms (5) are respectively connected with the two supporting arms (1) in a rotating mode, two fixing rods (6) are arranged on one fixing arm (5), two through grooves which are matched with the two fixing rods (6) are formed in the other fixing arm (5), the fixing rods (6) penetrate through the through grooves, clamping pieces which are spliced into a cylindrical structure by a plurality of annular sheets are arranged on the fixing arms (5) which are provided with the through grooves, the clamping pieces are communicated with the through grooves, a fixing ring (7) is connected to the clamping pieces in a threaded mode, and the inner diameter of the fixing ring (7) is gradually reduced from one side, close to the other fixing arm (5), of the fixing ring.
4. The lacrimal retractor of claim 2, wherein: be provided with on support arm (1) with fixed arm (5) complex mounting groove (14), one side that mounting groove (14) are close to the mechanism of pulling open is provided with hinge groove (13) with mounting groove (14) intercommunication, hinge groove (13) internal fixation is provided with articulated post (17), be provided with sleeve (16) on fixed arm (5), sleeve (16) cover is established on articulated post (17) to with articulated post (17) frictional connection, be provided with first locking mechanism and the second locking mechanism that are used for locking fixed arm (5) on support arm (1).
5. The lacrimal retractor of claim 4, wherein: the first locking mechanism is a baffle (15) rotatably connected to the supporting arm (1), and the baffle (15) is arranged around the notch of the hinge groove (13).
6. The lacrimal retractor of claim 4, wherein: the second locking mechanism is two elastic plates (8) which are oppositely arranged around the notch of the hinge groove (13), the two elastic plates (8) incline towards the hinge groove (13), and the opposite sides of the two elastic plates (8) are respectively provided with a silica gel anti-slip pad.
7. The lacrimal retractor of any of claims 2-6, wherein: the driving mechanism is connected with the distance adjusting mechanism.
8. The lacrimal retractor of claim 7, wherein: the utility model provides a drive mechanism is including setting up fixed plate (4) that are provided with the opposite side of arc nail (2) at support arm (1), be provided with the cavity in fixed plate (4), the one end that keeps away from support arm (1) in the cavity is fixed to be provided with elastic component (12), be provided with the spout with the cavity intercommunication on support arm (1), the one end of sheetmetal (3) passes spout and elastic component (12) fixed connection in the cavity, the middle part both sides of the one end that sheetmetal (3) are connected with elastic component (12) are fixed respectively and are provided with connecting rope (9), one side that fixed plate (4) is close to support arm (1) is provided with the through-hole, the one end of connecting rope (9) is passed the through-hole is connected with the one end that distance adjustment mechanism kept away from the retracting mechanism.
9. The lacrimal retractor of claim 8, wherein: the arc-shaped nails (2) are arranged in three, guide grooves (11) matched with the metal sheets (3) are formed in the opposite sides of the two arc-shaped nails (2) located at the two ends, and hollow grooves matched with the metal sheets (3) are formed in the arc-shaped nails (2) located in the middle.
10. The lacrimal retractor of claim 8, wherein: one side of the support arm (1) close to the fixed plate (4) is provided with a pressing sheet (10), two ends of the pressing sheet (10) are fixedly connected with the support arm (1), and two connecting ropes penetrate through the pressing sheet (10) to be connected with a gap on the support arm (1) and an adjusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310925527.4A CN116942226B (en) | 2023-07-26 | 2023-07-26 | Lacrimal retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310925527.4A CN116942226B (en) | 2023-07-26 | 2023-07-26 | Lacrimal retractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116942226A true CN116942226A (en) | 2023-10-27 |
| CN116942226B CN116942226B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310925527.4A Active CN116942226B (en) | 2023-07-26 | 2023-07-26 | Lacrimal retractor |
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| CN (1) | CN116942226B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5341798A (en) * | 1987-12-04 | 1994-08-30 | Grounauer Pierre Alain | Retractor device for human or animal tissue |
| CN2928056Y (en) * | 2006-06-30 | 2007-08-01 | 高丽华 | Dacryocyst retractor |
| CN2936210Y (en) * | 2007-01-29 | 2007-08-22 | 闫蕊 | Lacrimal retractor |
| EP1977697A1 (en) * | 2007-04-02 | 2008-10-08 | Landanger | Multifunction sternal retractor |
| US8257256B1 (en) * | 2009-10-22 | 2012-09-04 | Krolman Arthur M M | Retractor device |
| CN202446340U (en) * | 2012-02-14 | 2012-09-26 | 樊海英 | Easy-adjustable lachrymal gland open pulling device |
| CN202505413U (en) * | 2012-04-22 | 2012-10-31 | 李瑞田 | Convenient and easily-adjustable retractor for internal medicine operation |
| CN202619979U (en) * | 2012-06-02 | 2012-12-26 | 何维铭 | Novel lacrimal sac opener |
| CN202821804U (en) * | 2012-10-08 | 2013-03-27 | 李永华 | Lacrimal gland retractor for ophthalmologic surgery |
| CN217162179U (en) * | 2022-02-14 | 2022-08-12 | 王晶雪 | Eyelid distraction device for ophthalmologic nursing |
-
2023
- 2023-07-26 CN CN202310925527.4A patent/CN116942226B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5341798A (en) * | 1987-12-04 | 1994-08-30 | Grounauer Pierre Alain | Retractor device for human or animal tissue |
| CN2928056Y (en) * | 2006-06-30 | 2007-08-01 | 高丽华 | Dacryocyst retractor |
| CN2936210Y (en) * | 2007-01-29 | 2007-08-22 | 闫蕊 | Lacrimal retractor |
| EP1977697A1 (en) * | 2007-04-02 | 2008-10-08 | Landanger | Multifunction sternal retractor |
| US8257256B1 (en) * | 2009-10-22 | 2012-09-04 | Krolman Arthur M M | Retractor device |
| CN202446340U (en) * | 2012-02-14 | 2012-09-26 | 樊海英 | Easy-adjustable lachrymal gland open pulling device |
| CN202505413U (en) * | 2012-04-22 | 2012-10-31 | 李瑞田 | Convenient and easily-adjustable retractor for internal medicine operation |
| CN202619979U (en) * | 2012-06-02 | 2012-12-26 | 何维铭 | Novel lacrimal sac opener |
| CN202821804U (en) * | 2012-10-08 | 2013-03-27 | 李永华 | Lacrimal gland retractor for ophthalmologic surgery |
| CN217162179U (en) * | 2022-02-14 | 2022-08-12 | 王晶雪 | Eyelid distraction device for ophthalmologic nursing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116942226B (en) | 2024-02-02 |
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