CN111991111B - Tissue retractor used in oral surgery - Google Patents

Tissue retractor used in oral surgery Download PDF

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Publication number
CN111991111B
CN111991111B CN202010890280.3A CN202010890280A CN111991111B CN 111991111 B CN111991111 B CN 111991111B CN 202010890280 A CN202010890280 A CN 202010890280A CN 111991111 B CN111991111 B CN 111991111B
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China
Prior art keywords
fixedly connected
rod
rectangular
shaped
sliding
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CN202010890280.3A
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CN111991111A (en
Inventor
李友瑞
于焕英
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Binzhou Medical University Hospital
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Binzhou Medical University Hospital
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Priority to CN202010890280.3A priority Critical patent/CN111991111B/en
Publication of CN111991111A publication Critical patent/CN111991111A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00Dental auxiliary appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A61B90/16Bite blocks

Abstract

The invention discloses a tissue retracting device used in oral surgery, which relates to the technical field of medical instruments and comprises a rectangular cylinder, wherein a fixed block is fixedly connected in the rectangular cylinder, and the left side and the right side of the fixed block are fixedly connected with a first small electric push rod. This tissue retractor device that uses during oral operation, through arranging the tooth under two protection pads of lower floor and patient and contacting, the elasticity that relies on the spring makes the bracing piece, L type pole and the automatic upward removal of last U type layer board, and make two protection pads of upper strata contact with the last row of tooth of patient, it makes rotatory screw rod support tight bracing piece and fixes the bracing piece to rotate rotatory screw rod through forward, make the bracing piece, L type pole and last U type layer board no longer descend, and then strut the oral cavity of patient, therefore, the operation is simple, high durability and convenient use, user's user demand is satisfied, and the device can be adjusted according to the size in different oral cavities, universal applicability has.

Description

Tissue retractor used in oral surgery
Technical Field
The invention relates to the technical field of medical instruments, in particular to a tissue retracting device used in oral surgery.
Background
Dentistry, one of medical discipline classifications, is generally incorporated into the department of stomatology in large hospitals, and dentistry mainly treats tooth, periodontal related diseases, and in the process of oral surgery of medical personnel to patients, needs to use a retraction device to retract wounds of patients so as to expose a better visual field to perform the surgery to the patients.
When operating on the patient, it opens the oral cavity completely to need the patient, so that medical personnel operate to the patient, current retractor device has the function of strutting the patient oral cavity, but can not adjust the distance between U type layer board and the lower U type layer board according to the size that different patients opened the oral cavity, if go up U type layer board and the distance between the lower U type layer board is too big, then unable adaptation patient's oral cavity, if go up U type layer board and the distance undersize between the lower U type layer board, then can't make patient's oral cavity open completely, then influence medical personnel and operate to patient's oral cavity, increase medical personnel's the operation degree of difficulty, the influence is to patient's treatment, thereby bring inconvenience for medical personnel's use, can not satisfy different user's user demand.
Accordingly, there is a corresponding improvement in the deficiencies of existing retraction devices.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a tissue retractor used in oral surgery, which solves the problems that the existing retractor has the function of expanding the oral cavity of a patient, but cannot adjust the distance between an upper U-shaped supporting plate and a lower U-shaped supporting plate according to the size of the expanded oral cavity of different patients, and has no universal applicability.
(II) technical scheme
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a tissue retractor used in oral surgery comprises a rectangular cylinder, wherein a fixed block is fixedly connected in the rectangular cylinder, the left side and the right side of the fixed block are fixedly connected with a small electric push rod I, the telescopic end of the small electric push rod I is fixedly connected with an L-shaped rod, the L-shaped rod is slidably connected in the rectangular cylinder, the other end of the L-shaped rod is fixedly connected with an upper U-shaped supporting plate, the bottom of the L-shaped rod is fixedly connected with a supporting rod, the supporting rod is slidably connected in the rectangular fixed cylinder, the bottom of the inner wall of the rectangular fixed cylinder is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the bottom of the supporting rod, a threaded hole formed in the rectangular fixed cylinder is internally threaded with a rotating screw rod, one end of the rotating screw rod, close to the supporting rod, is lapped with the supporting rod, and the bottom of the rectangular fixed cylinder is fixedly connected with the fixed block, the rear side face of the fixed block is fixedly connected with the lower U-shaped supporting plate.
The rectangular cylinder is connected with a first rectangular sliding sleeve in a sliding manner, a spring piece is connected in a T-shaped groove formed in the first rectangular sliding sleeve in a sliding manner, the top of the spring piece is overlapped with an arc-shaped groove formed in the bottom of the rectangular cylinder, a bearing is fixedly connected to the bottom of the first rectangular sliding sleeve, a rotating shaft is sleeved in the bearing, the bottom end of the rotating shaft is fixedly connected with a U-shaped plate, the U-shaped plate is hinged with a second rectangular sliding sleeve phase through a pin shaft, a sliding rod is connected in a sliding manner in the second rectangular sliding sleeve phase, a controller is fixedly connected to the position, close to the front, of the top of the sliding rod, of the front end and the rear end of the sliding rod are respectively fixedly connected with a handle and a supporting box, a connecting block is fixedly connected to the position, far to the left, of the bottom of the supporting box, a second small electric push rod is fixedly installed on the left side of the inner wall of the supporting box, a sliding block is fixedly connected with a sliding block in a sliding groove formed in the bottom of the supporting box, and the bottoms of the sliding blocks and the connecting blocks are fixedly connected with a traction plate.
Preferably, the upper U-shaped supporting plate and the lower U-shaped supporting plate are both fixedly connected with a protection pad.
Preferably, a plurality of arc-shaped grooves are formed in the bottom of the rectangular cylinder from left to right in sequence.
Preferably, the output end of the controller is electrically connected with the access ends of the first small electric push rod and the second small electric push rod respectively.
(III) advantageous effects
The invention has the beneficial effects that:
1. the tissue retractor used in the oral surgery can adjust the distance between the two L-shaped rods according to the size of the oral cavity of a patient by the contraction of the two small electric push rods I, so that the upper U-shaped supporting plate and the lower U-shaped supporting plate can adapt to the oral cavity of the patient, by contacting the two protection pads at the lower layer with the lower row of teeth of the patient, the support rod, the L-shaped rod and the upper U-shaped supporting plate automatically move upwards by the elasticity of the spring, and the two protection pads at the upper layer automatically contact with the upper row of teeth of the patient, the rotating screw rod is rotated in the positive direction to tightly abut against the supporting rod to fix the supporting rod, so that the supporting rod, the L-shaped rod and the upper U-shaped supporting plate can not descend, and then strut patient's oral cavity, easy operation, convenient to use satisfy user's user demand to the device can be adjusted according to the size in different oral cavities, has universal suitability.
2. This tissue retractor that uses during oral operation through removing rectangle sliding sleeve one, can contract when the spring leaf receives the extrusion and get into T type inslot, then can adjust the position of rectangle sliding sleeve one as required, through setting up the arc wall, when the spring leaf moved the position that corresponds the arc wall, the spring leaf can auto-eject and the joint is in the arc wall, restricts rectangle sliding sleeve one, makes rectangle sliding sleeve one can not the automatic migration.
3. This tissue that uses during oral operation leads out device can adjust two positions of pulling apart the board according to the needs that pull out the patient wound through setting up bearing, pivot, U template, round pin axle and rectangle sliding sleeve two, through the extension of small-size electric putter two, adjusts the distance between two pulling apart the board then, and then leads out the processing to patient's wound to in order to expose better field of vision and operate the patient.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic left-side sectional view of the present invention;
FIG. 3 is an enlarged view of FIG. A of the present invention;
FIG. 4 is an enlarged rear sectional view of the support box of the present invention.
In the figure: the device comprises a rectangular cylinder 1, a fixed block 2, a small electric push rod I3, a small electric push rod I4L-shaped rod 5, a rectangular sliding sleeve I6, an arc-shaped groove 7T-shaped groove 8, a spring leaf 9, a bearing 10, a rotating shaft 11U-shaped plate, a rectangular sliding sleeve II 12, a sliding rod 13, a supporting box 14, a U-shaped supporting plate 15, a supporting rod 16, a rectangular fixed cylinder 17, a spring 18, a rotating screw 19, a fixed block 20, a U-shaped supporting plate 21, a protective pad 22, a retracting plate 23, a connecting block 24, a handle 25, a controller 26, a small electric push rod II 27 and a sliding block 28.
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.
As shown in fig. 1 to 4, the present invention provides a technical solution: a tissue retractor used in oral surgery comprises a rectangular cylinder 1, wherein a fixed block 2 is fixedly connected in the rectangular cylinder 1, the left side and the right side of the fixed block 2 are fixedly connected with a small electric push rod I3, the telescopic end of the small electric push rod I3 is fixedly connected with an L-shaped rod 4, the distance between the two L-shaped rods 4 can be adjusted according to the size of the oral cavity of a patient through contraction of the two small electric push rods I3, so that an upper U-shaped supporting plate 15 and a lower U-shaped supporting plate 21 can adapt to the oral cavity of the patient, the L-shaped rod 4 is slidably connected in the rectangular cylinder 1, the other end of the L-shaped rod 4 is fixedly connected with an upper U-shaped supporting plate 15, the bottom of the L-shaped rod 4 is fixedly connected with a supporting rod 16, the supporting rod 16 is slidably connected in the rectangular fixed cylinder 17, the supporting rod 16 plays a role in limiting on the supporting rod 16 through the rectangular fixed cylinder 17, and the supporting rod 16 has stability in the up-down moving process, the one end of the fixed cylinder 17 inner wall bottom fixedly connected with spring 18 of rectangle, the other end of spring 18 and the bottom fixed connection of bracing piece 16, its effect lies in: the lower two protection pads 22 are contacted with the lower row of teeth of the patient, the support rod 16, the L-shaped rod 4 and the upper U-shaped supporting plate 15 automatically move upwards by means of the elasticity of the spring 18, the upper two protection pads 22 are automatically contacted with the upper row of teeth of the patient, the threaded hole formed in the rectangular fixing cylinder 17 is internally threaded with the rotary screw 19, one end of the rotary screw 19 close to the support rod 16 is lapped with the support rod 16, the rotary screw 19 is tightly abutted against the support rod 16 to fix the support rod 16 by positively rotating the rotary screw 19, so that the support rod 16, the L-shaped rod 4 and the upper U-shaped supporting plate 15 are not descended, the oral cavity of the patient is further expanded, the operation is simple, the use is convenient, the use requirements of the user are met, the device can be adjusted according to the sizes of different oral cavities, the universal applicability is realized, the bottom of the rectangular fixing cylinder 17 is fixedly connected with the fixing block 20, the rear side of the fixing block 20 is fixedly connected with a lower U-shaped supporting plate 21.
The rectangular sliding sleeve I5 is connected with the rectangular barrel 1 in a sliding manner, a spring piece 8 is connected in a T-shaped groove 7 formed in the rectangular sliding sleeve I5 in a sliding manner, when the spring piece 8 is extruded, the spring piece 8 can shrink into the T-shaped groove 7, the position of the rectangular sliding sleeve I5 can be adjusted according to needs, the top of the spring piece 8 is overlapped with an arc-shaped groove 6 formed in the bottom of the rectangular barrel 1, through the arrangement of the arc-shaped groove 6, when the spring piece 8 moves to the position corresponding to the arc-shaped groove 6, the spring piece 8 can automatically pop out and be clamped in the arc-shaped groove 6, the rectangular sliding sleeve I5 is limited, the rectangular sliding sleeve I5 cannot automatically move, a bearing 9 is fixedly connected to the bottom of the rectangular sliding sleeve I5, a rotating shaft 10 is sleeved in the bearing 9, the bottom end of the rotating shaft 10 is fixedly connected with a U-shaped plate 11, and the U-shaped plate 11 is supported and fixed on one hand through the arrangement of the bearing 9 and the rotating shaft 10, on the other hand, the U-shaped plate 11 can rotate by a certain angle, so that the angles of the two retracting plates 23 can be adjusted, the U-shaped plate 11 is hinged with the rectangular sliding sleeve 12 through a pin shaft, the rectangular sliding sleeve 12 is supported and fixed through the arrangement of the U-shaped plate 11 and the pin shaft on the one hand, the rectangular sliding sleeve 12 can rotate by a certain angle on the other hand, so that the angles of the two retracting plates 23 can be adjusted, the sliding rod 13 is connected in the rectangular sliding sleeve 12 in a sliding manner, the controller 26 is fixedly connected to the position, close to the front, of the top of the sliding rod 13, the handle 25 and the supporting box 14 are respectively and fixedly connected to the front end and the rear end of the sliding rod 13, the connecting block 24 is fixedly connected to the position, far to the left, of the bottom of the supporting box 14, the small electric push rod 27 is fixedly installed on the left side of the inner wall of the supporting box 14, the sliding block 28 is fixedly connected to the telescopic end of the small electric push rod 27, and the small electric push rod 27 can be extended, then adjust the distance between two distraction boards 23, and then retract the processing to patient's wound to expose better field of vision and operate on the patient, slider 28 sliding connection is in the spout that the support box 14 bottom was seted up, and the equal fixedly connected with of bottom of slider 28 and connecting block 24 pulls board 23.
Go up U type layer board 15 and lower U type layer board 21 interior equal fixedly connected with protection pad 22, through setting up protection pad 22, avoid going up U type layer board 15 and lower U type layer board 21 and the direct contact of patient's tooth, play the guard action to patient's tooth, turn right from a left side and seted up a plurality of arc walls 6 in proper order rectangular cylinder 1's bottom, controller 26's output is connected with small-size electric putter one 3 and small-size electric putter two 27's incoming end electricity respectively.
The method comprises the following operation steps:
s1, when the device is needed, firstly, the mouth of the patient is opened, then the controller 26 controls the two small electric push rods I3 to contract, and then the distance between the two L-shaped rods 4 can be adjusted according to the size of the mouth of the patient, so that the upper U-shaped supporting plate 15 and the lower U-shaped supporting plate 21 can adapt to the mouth of the patient, the rectangular cylinder 1 is then pressed downwardly and the lower two protective pads 22 are brought into contact with the lower row of teeth of the patient, then the rectangular tube 1 is loosened, the support bar 16, the L-shaped bar 4 and the upper U-shaped supporting plate 15 automatically move upwards by means of the elasticity of the spring 18, and the two upper protective pads 22 automatically contact with the upper row of teeth of the patient, the rotating screw rod 19 is rotated in the forward direction to enable the rotating screw rod 19 to tightly abut against the supporting rod 16 to fix the supporting rod 16, so that the supporting rod 16, the L-shaped rod 4 and the upper U-shaped supporting plate 15 do not descend any more, and the oral cavity of a patient is further expanded;
s2, by moving the first rectangular sliding sleeve 5, when the spring strip 8 is extruded, the spring strip 8 contracts into the T-shaped groove 7, then the position of the first rectangular sliding sleeve 5 can be adjusted according to needs, after the first rectangular sliding sleeve 5 is moved, the spring strip 8 can automatically pop out and be clamped in the arc-shaped groove 6 when the spring strip 8 moves to the position corresponding to the arc-shaped groove 6, the first rectangular sliding sleeve 5 is limited, so that the first rectangular sliding sleeve 5 cannot automatically move, then the positions of the two retracting plates 23 can be adjusted according to the needs of retracting the wound of the patient at the bearing 9, the rotating shaft 10, the U-shaped plate 11, the pin shaft and the second rectangular sliding sleeve 12, when the two retracting plates 23 correspond to the wound of the patient, the controller 26 controls the extension of the second small electric push rod 27, the extension of the second small electric push rod 27 is used for adjusting the distance between the two retracting plates 23, and then the wound of the patient is retracted, so as to expose a better field of view for surgery on the patient.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A tissue retractor used in oral surgery comprises a rectangular cylinder (1), and is characterized in that: the inner side of the rectangular cylinder (1) is fixedly connected with a fixed block (2), the left side and the right side of the fixed block (2) are fixedly connected with a first small electric push rod (3), the telescopic end of the first small electric push rod (3) is fixedly connected with an L-shaped rod (4), the L-shaped rod (4) is slidably connected in the rectangular cylinder (1), the other end of the L-shaped rod (4) is fixedly connected with an upper U-shaped supporting plate (15), the bottom of the L-shaped rod (4) is fixedly connected with a supporting rod (16), the supporting rod (16) is slidably connected in the rectangular fixed cylinder (17), the bottom of the inner wall of the rectangular fixed cylinder (17) is fixedly connected with one end of a spring (18), the other end of the spring (18) is fixedly connected with the bottom end of the supporting rod (16), a threaded hole formed in the rectangular fixed cylinder (17) is connected with a rotating screw rod (19), one end of the rotating screw rod (19) close to the supporting rod (16) is in lap joint with the supporting rod (16), the bottom of the rectangular fixed cylinder (17) is fixedly connected with a fixed block (20), and the rear side face of the fixed block (20) is fixedly connected with a lower U-shaped supporting plate (21);
the improved electric push rod mechanism is characterized in that a rectangular sliding sleeve I (5) is connected to the rectangular cylinder (1) in a sliding manner, a spring piece (8) is connected to a T-shaped groove (7) formed in the rectangular sliding sleeve I (5) in a sliding manner, the top of the spring piece (8) is in lap joint with an arc-shaped groove (6) formed in the bottom of the rectangular cylinder (1), a bearing (9) is fixedly connected to the bottom of the rectangular sliding sleeve I (5), a rotating shaft (10) is sleeved in the bearing (9), the bottom end of the rotating shaft (10) is fixedly connected with a U-shaped plate (11), the U-shaped plate (11) is hinged to a rectangular sliding sleeve II (12) through a pin shaft, a sliding rod (13) is connected to the rectangular sliding sleeve II (12) in a sliding manner, a controller (26) is fixedly connected to the top of the sliding rod (13) close to the front position, and the output end of the controller (26) is electrically connected with the access ends of a small electric push rod I (3) and a small electric push rod II (27) respectively, the front end and the rear end of the sliding rod (13) are respectively fixedly connected with a handle (25) and a supporting box (14), a connecting block (24) is fixedly connected to the left position of the bottom of the supporting box (14), a small electric push rod II (27) is fixedly mounted on the left side of the inner wall of the supporting box (14), a sliding block (28) is fixedly connected to the telescopic end of the small electric push rod II (27), the sliding block (28) is slidably connected into a sliding groove formed in the bottom of the supporting box (14), and a pulling plate (23) is fixedly connected to the bottoms of the sliding block (28) and the connecting block (24).
2. The tissue retraction device for use in oral surgery of claim 1, wherein: and the upper U-shaped supporting plate (15) and the lower U-shaped supporting plate (21) are both fixedly connected with a protective pad (22).
3. The tissue retraction device for use in oral surgery of claim 1, wherein: the bottom of the rectangular cylinder (1) is sequentially provided with a plurality of arc-shaped grooves (6) from left to right.
CN202010890280.3A 2020-08-29 2020-08-29 Tissue retractor used in oral surgery Active CN111991111B (en)

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CN111991111B true CN111991111B (en) 2021-09-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112754409B (en) * 2021-01-13 2022-08-30 中南大学湘雅二医院 Tissue retractor used in oral surgery
CN113520289A (en) * 2021-07-09 2021-10-22 核工业总医院 Novel hospital department of stomatology draw device

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CN203059806U (en) * 2013-02-17 2013-07-17 栾绍敏 Retractor for maxilla operation
CN104825245A (en) * 2015-05-12 2015-08-12 荣宁 Oral cavity expanding file
CN205251485U (en) * 2016-01-05 2016-05-25 邵军 Oral cavity opener
CN106028958A (en) * 2013-11-27 2016-10-12 美的洛博迪克斯公司 Oral retraction devices and methods
CN108175459A (en) * 2018-01-26 2018-06-19 梁经明 A kind of general surgery muscle pull device
CN108652575A (en) * 2018-05-25 2018-10-16 青岛市口腔医院 A kind of novel mouth oral maxillofacial surgery dilator
CN110151112A (en) * 2018-03-19 2019-08-23 张玉娥 A kind of oral cavity medical auxiliary device
CN210472196U (en) * 2019-06-28 2020-05-08 张梅 Surgical retractor
CN211243508U (en) * 2019-11-08 2020-08-14 付聪 Novel neurosurgery retractor fixing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210697708U (en) * 2019-06-27 2020-06-09 杨俊云 Caesarean operation is with expanding support ware

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203059806U (en) * 2013-02-17 2013-07-17 栾绍敏 Retractor for maxilla operation
CN106028958A (en) * 2013-11-27 2016-10-12 美的洛博迪克斯公司 Oral retraction devices and methods
CN104825245A (en) * 2015-05-12 2015-08-12 荣宁 Oral cavity expanding file
CN205251485U (en) * 2016-01-05 2016-05-25 邵军 Oral cavity opener
CN108175459A (en) * 2018-01-26 2018-06-19 梁经明 A kind of general surgery muscle pull device
CN110151112A (en) * 2018-03-19 2019-08-23 张玉娥 A kind of oral cavity medical auxiliary device
CN108652575A (en) * 2018-05-25 2018-10-16 青岛市口腔医院 A kind of novel mouth oral maxillofacial surgery dilator
CN210472196U (en) * 2019-06-28 2020-05-08 张梅 Surgical retractor
CN211243508U (en) * 2019-11-08 2020-08-14 付聪 Novel neurosurgery retractor fixing device

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