WO2020080792A1 - Dispositif auxiliaire de suture réglable - Google Patents

Dispositif auxiliaire de suture réglable Download PDF

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Publication number
WO2020080792A1
WO2020080792A1 PCT/KR2019/013505 KR2019013505W WO2020080792A1 WO 2020080792 A1 WO2020080792 A1 WO 2020080792A1 KR 2019013505 W KR2019013505 W KR 2019013505W WO 2020080792 A1 WO2020080792 A1 WO 2020080792A1
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WO
WIPO (PCT)
Prior art keywords
dial
wire
adjuster
adjustment
support
Prior art date
Application number
PCT/KR2019/013505
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English (en)
Korean (ko)
Inventor
문성혁
Original Assignee
인제대학교 산학협력단
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 인제대학교 산학협력단 filed Critical 인제대학교 산학협력단
Priority claimed from KR1020190127570A external-priority patent/KR102303100B1/ko
Publication of WO2020080792A1 publication Critical patent/WO2020080792A1/fr

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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • 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

Definitions

  • the present invention relates to an auxiliary device for adjusting sutures for correcting strabismus, using a wire connected to an adjuster (thread) tying the surgical eyeball and the external eye muscles by adjusting suture, and adjusting means for adjusting the tension of the wire, Regarding the assistive device for adjustment suture, it is possible to precisely, easily and quickly adjust the length of the adjuster that pulls the extraocular muscles based on the intersection point where the adjuster is tied among the surgical eyeballs.
  • the basic principle of strabismus surgery is to change the power of the extraocular muscles attached to the eyeball to correct the alignment of the eyeball.
  • a typical surgical method for changing the power of the extraocular muscle is to remove the extraocular muscle from the original attachment and reattach it to the posterior position to weaken the force, or to cut the part of the extraocular muscle and attach it again to strengthen the strength. have.
  • the operator's experience and guide table according to the strabismus angle are used.
  • strabismus can achieve the success of the operation without much error, but in strabismus, strabismus-related strabismus, and muscle strabismus, such as myasthenia gravis, the surgical results according to the prescribed amount of surgery do not match. In adults or children with good cooperation, after surgery, after waking up, within a certain period of time, the angle of view can be adjusted to perform adjustment sutures.
  • Sliding loose technique and bow-tie technique can be used as the commonly used method of adjustment suture.
  • surgery is done by measuring the angle of view through prism shift obscuration. After grasping this strong or weak, an appropriate amount of adjustment suture is made by using a thread (adjuster) tied with the adjustment suture during surgery.
  • This adjustment and stitching step is adjusted by the operator's senses, and the method is repeated several times, so that the patient and the operator are cumbersome and require a lot of time.
  • the present invention is to adjust the tension of the wire using a wire to be connected to the coordinator tied the surgical eye and the external eye muscles by adjustment sutures for correcting the strabismus, and adjusting the tension of the coordinator using the wire.
  • the purpose of the present invention is to provide an auxiliary device for adjustment sutures that can easily and quickly adjust the length of the adjuster to pull the external eye muscles based on the crossing point where the adjuster is tied, as well as to precisely adjust the length of the adjuster to pull the external eye muscles at regular intervals. Is done.
  • Auxiliary device for adjustment suture according to the present invention, the center of the external eye of the surgical eye, placed vertically or horizontally on both sides, inside the guide tube formed hollow along the longitudinal direction;
  • a wire provided in the hollow of the guide tube and connected to an adjuster having one end connected to one end of the external eye muscle;
  • adjusting means for adjusting the position of the extraocular muscle by selectively winding or loosening the wire on the other side of the support to adjust the position of the adjuster.
  • the guide tube according to the present invention is provided on a support for opening the upper and lower eyelids of the surgical eye, and the support is a pair, while one end thereof is in contact with the rim of the upper eyelid and the rim of the lower eyelid, respectively.
  • the eyeballs are spaced apart so that the eyeballs are opened, and the other end can face the outer direction of the eyeballs.
  • the present invention may be provided between the pair of supports, and may include a space adjusting means for maintaining the spaced apart state of the supports.
  • one end of the wire according to the present invention may include a clamp for clamping the adjuster.
  • the adjuster is made of two threads, each of which is connected to the external eye muscles, and the two threads are tied to each other to be crossed and extended to the upper and lower sides, and the guide tube has one end of the adjuster's tied crossing point. It is formed to bend toward, and may be disposed as a corner of a square between the pair of supports based on the pupil of the eye.
  • the present invention rotatably connected to one side end of the guide tube, may include a guide means for guiding the wire from the guide tube in the vertical form to the intersection point of the adjuster.
  • the adjustment means is a cylinder that is rotated around an axis when the user manipulates it, coupled to the lower portion of the dial, a case with teeth formed along the inner circumferential surface of the cylindrical receiving space, and the receiving space of the case As it is accommodated, it is connected to the axis of the dial, and is rotated in the forward or reverse direction selectively by the operation of the dial, the winding reel to wind or unwind the wire, and is accommodated in the receiving space of the case and connected to the axis of the dial , A ratchet member protruding around and positioned between the teeth of the case to selectively control the rotation of the dial.
  • the adjustment means is provided to expose one side of the inside of the housing in the form of a disc, and when the user manipulates the exposed one side, the dial rotates around the axis provided horizontally inside the housing, and the dial is coaxial with the dial. It is formed on both the left and right sides of the dial so as to achieve, and is selectively rotated in the forward or reverse direction by the operation of the dial, the winding reel to wind or unwind the wire, and to either side of the dial to be coaxial with the dial
  • a ratchet wheel formed with teeth formed at regular intervals along the outer periphery, and a button projecting toward the upper surface of the housing, and a ratchet formed protruding toward the ratchet wheel is positioned between the teeth of the ratchet wheel, thereby
  • An anti-rotation member for selectively controlling rotation and provided on an axis of the dial, so that the dial is rotated. If you can include a return spring to provide a rotational force to return to its original position.
  • the length of the adjuster pulling the external eye muscles based on the crossing point of the adjuster among the treatment eyes can be adjusted quickly and easily, and it is also applicable to patients with subjective diplopia. .
  • FIG. 1 is an exemplary view showing an auxiliary device for adjustment suture according to an embodiment of the present invention.
  • Figure 2 is an exemplary view showing the implementation of the adjustment suture using the auxiliary device for adjustment suture according to an embodiment of the present invention.
  • FIG 3 is an exemplary view showing another example of a guide tube according to an embodiment of the present invention.
  • Figure 4 is an exemplary view showing the adjustment suture of the lower rectus muscle using the auxiliary device for adjustment suture according to an embodiment of the present invention.
  • FIG 5 is an exemplary view showing an example of use of the guide means according to an embodiment of the present invention.
  • FIG. 6 is an exemplary view showing an adjusting means of an auxiliary device for adjusting suture according to an embodiment of the present invention.
  • FIG. 7 is an exemplary view showing another embodiment of the adjusting means according to the present invention.
  • FIG 8 is an exemplary view showing a state viewed from the upper side of the adjustment means according to another embodiment of the present invention.
  • the present invention is placed in the center of the eyeball (external rectus muscle, lateral rectus muscle, superior rectus muscle, inferior oblique muscle) in the center of the eye, and is disposed on both sides of the upper and lower sides, the inside of the guide tube formed in the hollow along the longitudinal direction, and of the guide tube
  • It provides an assistive device for adjustment sutures, including adjustment means for adjusting the length of an adjuster that pulls the extraocular muscles based on the intersection point where the thread is tied.
  • the present invention uses a wire connected to a coordinator (seal) that connects the surgical eyeball and the external eye muscle by adjustment suture, and the adjustment means for adjusting the tension of the wire, to pull the external eye muscle based on the intersection point of the coordinator tied during the surgical eye
  • a coordinator that connects the surgical eyeball and the external eye muscle by adjustment suture
  • the adjustment means for adjusting the tension of the wire to pull the external eye muscle based on the intersection point of the coordinator tied during the surgical eye
  • the auxiliary device for the adjustment suture which can adjust the length of the adjuster precisely, easily and quickly, as follows, referring to the drawings.
  • the auxiliary device for adjustment suture includes a pair of supports 100, a guide tube 120, a wire 20, and adjustment means 300
  • the pair of support 100 interviews one end of each of the upper and lower eyelids of the eye, and the other end extends outwardly of the eye.
  • one side end of the support 100 forms a contact piece 101 having a cross-section of a ' ⁇ ' shape so that the rim of the eyelid is accommodated, and the other end of the support 100 engages with each other and hinges 110. Connected, rotated in opposite directions with respect to the axis of the hinge 110 to open each other, or rotated in the opposite direction to be closed.
  • the pair of support 100 after placing the contact piece 101 of each of the pair of support 100 on each of the upper and lower eyelids of the surgical eye, the pair of support 100 based on the axis of the hinge 110 to each other Open the procedure so that the eyeball is opened.
  • the hinge 110 may be provided with a torsion spring (not shown), each of the torsion spring so that a pair of support 100 at the other side of the support 100 is always opened in the direction opposite to each other. It can provide elasticity.
  • the spacer adjusting means 200 is provided between the pair of support 100, the separation distance of the support 100 It is maintained after adjustment, so that the treatment eye is maintained in the opened state.
  • the separation adjustment means 200 may be applied in a variety of configurations, for example, the transfer screw 201 method, the transfer screw is disposed orthogonally between the pair of support 100, the support 100 inside the support Each of the transfer screw 201 and the nut member that is screwed is provided, so that the separation distance of the pair of supports 100 is adjusted by selective forward rotation or reverse rotation of the transfer screw.
  • the rack pinion method is rotatable while a rack with teeth formed along a longitudinal direction is disposed orthogonally to any one of the pair of supports 100 between the pair of supports 100.
  • the other support 100 is provided with a pinion gear corresponding to the teeth of the rack, the separation distance of the pair of support 100 by the optional forward rotation or reverse rotation of the pinion gear Is regulated.
  • each of the pair of support 100 is provided with a guide tube 120 for guiding the wire 20 to the adjusting means 300 through the inner hollow.
  • the guide tube 120 is a tube having a hollow inside, and the external eye muscles (external rectus muscle, lateral rectus muscle, superior oblique muscle, and oblique oblique muscle) of the surgical eye are placed at the center, and are disposed vertically or horizontally.
  • the upper and lower eyelids are formed on the contact pieces 101 in which the rims of each are accommodated.
  • the adjuster 10 is composed of two threads, one end of which is connected to the upper and lower sides of the one end of the extraocular muscle, and the two threads are tied to each other and intersected to extend up and down and connected to the wire.
  • the guide tube 120 is formed by bending the front end toward the crossing point so that the wire 20 faces the crossing point of the coordinator 10 among the surgical eyeballs, and is disposed vertically above and below the crossing point. desirable.
  • the guide tube 120 is formed to be bent at a right angle, a total of four of each of the two pieces on the contact piece 101 of the support 100, based on the pupil of the surgical eye It is arranged as a corner of the square between the support 100 of, so that it can correspond to the upper rectus muscle and lower rectus muscle, lateral rectus muscle, and rectus muscle, respectively.
  • the guide tube 120 is one side is cut along the longitudinal direction, without passing through the front and rear ends of the guide tube 120, the inside of the guide tube 120 from the lateral direction of the guide tube 120
  • the hollow wire 20 is easily allowed to enter and exit.
  • this embodiment may include a guide means 130 at one end of the guide tube 120.
  • the guide means 130 is hingedly coupled to the coupling point at one end of the guide tube 120 so as to be rotatable in an axis, and the wire 20 from the guide tube 120 is intersected by the coordinator during the treatment eye. It is guided vertically from the upper and lower sides to the crossing point.
  • the guide means can be rotatably mounted so that the wire can be guided exactly perpendicular to the intersection.
  • the adjuster 10 bound to the treatment eye by adjustment suture is prepared in two strands, and the adjuster 10 of the two strands at the crossing point where the adjuster 10 is tied is placed obliquely in the pupil direction rather than in the vertical direction.
  • a crossover point of the adjuster may move in a horizontal direction, and thus, after adjustment, the position of the crossover point of the adjuster where the muscles and positions are fixed may be changed. This can happen.
  • the guide means guides the wire in the vertical direction above and below the crossing point, so that when the winding means winds or loosens the wire, the distance between the crossing point of the external eye muscle and the adjuster Only the bay is changed and the position of the intersection is not changed.
  • the other side of the wire 20 is wound inside the adjustment means 300, the tension of the wire 20 by selectively loosening or winding the wire 20 wound inside the adjustment means 300 This is adjusted, and the adjuster 10 connected to the wire 20 is also adjusted in connection with the adjustment of the tension so that the alignment of the surgical eye is made.
  • a clamp 21 is provided at one end of the wire 20 accommodated in the guide tube 120, and the adjuster 10 tied to the surgical eyeball and the external eye muscle is clamped. It can be configured, but it is not limited to this, any method that can be fixed by hanging the adjuster 10 can be applied.
  • the adjustment means 300 is provided on the other side of the pair of support 100, the length of the adjuster to pull the extraocular muscle by adjusting the tension of the wire 20 connected to the adjuster 10 Adjust it.
  • the adjustment means 300 may be integrally provided on the other side of the pair of support 100, but is not limited thereto, and may be selectively mounted through a fastening part such as a clip.
  • the adjustment means 300 includes a dial 310, a case 320, a winding reel 330, and a ratchet member 340.
  • the dial 310 is provided to be exposed to the outside from the case 320 of the adjustment means 300 disposed on the other side of the pair of support 100, rotated around the axis of the dial 310 by the user's operation It is like a normal dial.
  • a case 320 is coupled to the lower portion of the dial 310, wherein the case 320 is formed with a fastening portion (not shown) that is fastened to the supports 100 at the lower portion thereof, and the dial 310 ),
  • the cylindrical receiving space 321 is formed in the center of the interview.
  • the receiving space 321 has a shape in which the upper side is open, and a pair of through holes are formed on one side, so that the wires 20 wound around the winding reel 330 penetrate and enter and exit, and the receiving space ( 321) A tooth 322 is formed along its inner peripheral surface.
  • a protrusion or pulley for guiding the wire 20 is provided outside the accommodation space 321 of the case 320, and a winding reel 330 and a ratchet member are provided in the accommodation space 321 of the case 320.
  • the reel 330 is accommodated in the receiving space 321 of the case 320 is connected to the axis of the dial 310, selectively by the operation of the dial 310 Rotating in the forward or reverse direction, the tension of the wire 20 is adjusted by winding or releasing the wire 20.
  • the receiving space 321 of the case 320 is provided with a ratchet member 340 that controls the rotation of the dial 310 together with the winding reel 330, wherein the ratchet member 340 is elastic in the horizontal direction.
  • a ratchet 341 having a protrusion is formed, and a ratchet 341 is positioned between teeth formed along the inner circumferential surface of the receiving space 321 in the lower portion of the dial 310, so that the dial 310 and the winding reel 330 ).
  • the ratchet 341 of the ratchet member 340 is elastic by the incision to yield to the user's operating force so that the winding reel 330 is rotated, but can resist the tension of the wire 20 and the dial ( 310).
  • the The dial 310 can adjust the length of the adjuster by 1 mm per click, so that a precise length (the length of the adjuster that pulls the extraocular muscle) can be adjusted.
  • the adjustment means 300 is not limited to the above-described configuration, and the dial may be rotated in the horizontal direction.
  • the adjustment means 300 includes a dial 310, a winding reel 330, a ratchet wheel 360, a rotation preventing member 370, and a return spring 380.
  • the dial 310 is provided to expose one side of the inside of the housing 350 in a disc shape, and when a user manipulates the exposed one side, the dial 310 of the dial 310 provided horizontally inside the housing 350 is provided. It rotates based on the shaft 311.
  • an exposed hole 351 it is preferable to form an exposed hole 351 so that one side of the dial 310 is exposed on the upper surface of the housing 350, and the wires 20 are passed through the front surface of the housing 350. A pair of through holes are formed.
  • the through-hole is provided with a guide damper 22 that guides the entry and exit of the wire 20.
  • the guide damper 22 is made of a rubber material so as not to contact the wire 20 and the housing 350. , While preventing damage to the wire 20 due to friction, the wire 20 maintains tension due to friction between the rubber material guide damper 22 and the wire 20.
  • winding reel 330 is formed on both left and right sides of the dial 310 so as to be coaxial with the dial 310, and is selectively rotated in the forward or reverse direction by the operation of the dial 310, The wire 20 is wound or unwound.
  • the winding reel 330 that is coaxial with the dial 310 is the In conjunction with the rotation of the dial 310, it is rotated in the forward or reverse direction to wind or unwind the wire 20.
  • the rotation of the dial 310 is interrupted by the ratchet wheel 360 and the rotation preventing member 370, the ratchet wheel 360 is either side of the dial 310 to be coaxial with the dial 310
  • the ratchet wheel 360 formed coaxially with the dial 310 is formed on the dial 310 by forming the teeth at regular intervals along its outer periphery and forming a distance between the teeth and the teeth to 1 mm.
  • the tension of the adjuster 20 is adjusted by 1 mm per click, so that it is possible to adjust the precise length (the length of the adjuster that pulls the extraocular muscle).
  • the rotation preventing member 370 has a button 372 protruding to the upper surface of the housing 350, and a ratchet 371 formed protruding toward the ratchet wheel 360 is between the teeth of the ratchet wheel 360. By positioning, the rotation of the dial 310 is selectively controlled.
  • a return spring 380 is provided on the shaft 311 of the dial 310, and the return spring 380 provides a rotational force to return to the original position when the dial 310 rotates.
  • the winding reel 330 that is coaxial with the dial 310 is the In conjunction with the rotation of the dial 310, it is rotated in the forward or reverse direction to wind or unwind the wire 20.
  • the rotation of the dial 310 is intermittently rotated only in one direction by the ratchet wheel 360 and the rotation preventing member 370, so that the wire 20 is wound only around the winding reel 330.
  • the ratchet 371 of the anti-rotation member 370 is operated by operating the button 372 of the anti-rotation member 370 in order to operate the 310 and release the wire 20 again.
  • the wire 20 is released by rotating the dial 310 to return to its original position with the elasticity of the return spring 380.
  • the position of the external eye muscle can be precisely and easily adjusted by adjusting the adjuster that pulls the external eye muscle during the procedure by the rotation of the dial 310 and the operation of the rotation preventing member 370.
  • the position of the extraocular muscle is adjusted by adjusting the dial, and the operator determines the degree of strabismus.
  • the operator determines that the position of the proximal eye is in the proper position, the operator fixes the position of the adjuster and releases the bond between the adjuster and the wire.
  • the step of measuring the angle of view and the step of adjusting the length of the adjuster to pull the external eye muscles are carried out in one step, eliminating the hassle of the procedure, . It is possible to shorten the treatment time, and the patient can adjust the length of the adjuster who pulls the extraocular muscle by manipulating the dial directly, so it can be applied to patients with subjective diplopia and objectively recognize the degree of rotation (click) of the dial. It can easily and quickly adjust the length of the adjuster that pulls the extraocular muscles, and can precisely and accurately align the eyes.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne un dispositif auxiliaire de suture réglable utilisant : des tubes de guidage qui sont disposés au niveau des côtés supérieur et inférieur ou des côtés gauche et droit de celui-ci, tandis que les muscles extraoculaires (le muscle droit latéral, le muscle droit médial, le muscle oblique supérieur et le muscle oblique inférieur) d'un globe oculaire subissant une chirurgie sont placés au centre de celui-ci et dont les côtés internes sont formés pour être creux dans une direction longitudinale ; un fil qui est disposé dans le creux des tubes de guidage et dont une extrémité est reliée à un filet de réglage qui est lié au globe oculaire subissant une chirurgie et aux muscles extraoculaires ; et un moyen de réglage pour enrouler ou dérouler sélectivement le fil de l'autre côté d'un support de façon à régler, par le réglage de la tension du fil relié au filet de réglage, la longueur du filet de réglage pour tirer les muscles extraoculaires par rapport au point d'intersection, au niveau duquel le filet de réglage est lié, du globe oculaire subissant une chirurgie et ainsi la présente invention peut précisément, facilement et rapidement régler la longueur du filet de réglage pour tirer les muscles extraoculaires par rapport à un point d'intersection, au niveau duquel le filet de réglage est lié, du globe oculaire subissant une chirurgie.
PCT/KR2019/013505 2018-10-15 2019-10-15 Dispositif auxiliaire de suture réglable WO2020080792A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0122578 2018-10-15
KR20180122578 2018-10-15
KR10-2019-0127570 2019-10-15
KR1020190127570A KR102303100B1 (ko) 2018-10-15 2019-10-15 조정 봉합술용 보조장치

Publications (1)

Publication Number Publication Date
WO2020080792A1 true WO2020080792A1 (fr) 2020-04-23

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PCT/KR2019/013505 WO2020080792A1 (fr) 2018-10-15 2019-10-15 Dispositif auxiliaire de suture réglable

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112244941A (zh) * 2020-11-13 2021-01-22 徐树建 一种甲状腺微创手术夹持钳

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6080169A (en) * 1999-08-10 2000-06-27 Turtel; Lawrence Strabismus recession clamp
JP2002508985A (ja) * 1998-01-19 2002-03-26 ワイズバンヅ リミテッド 傷を縫い合わせるための縫合糸引締め装置およびその使用のための方法
US20050125015A1 (en) * 2003-12-04 2005-06-09 Mcnally-Heintzelman Karen M. Tissue-handling apparatus, system and method
US20070179346A1 (en) * 2002-01-22 2007-08-02 Foulkes Richard B Ophthalmic sulcus speculum
CN205515164U (zh) * 2015-12-11 2016-08-31 黄丽萍 一种调节式限位开睑器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002508985A (ja) * 1998-01-19 2002-03-26 ワイズバンヅ リミテッド 傷を縫い合わせるための縫合糸引締め装置およびその使用のための方法
US6080169A (en) * 1999-08-10 2000-06-27 Turtel; Lawrence Strabismus recession clamp
US20070179346A1 (en) * 2002-01-22 2007-08-02 Foulkes Richard B Ophthalmic sulcus speculum
US20050125015A1 (en) * 2003-12-04 2005-06-09 Mcnally-Heintzelman Karen M. Tissue-handling apparatus, system and method
CN205515164U (zh) * 2015-12-11 2016-08-31 黄丽萍 一种调节式限位开睑器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112244941A (zh) * 2020-11-13 2021-01-22 徐树建 一种甲状腺微创手术夹持钳
CN112244941B (zh) * 2020-11-13 2021-08-03 徐树建 一种甲状腺微创手术夹持钳

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