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WO2022139549A1 - Appareil d'injection de matériau de greffe osseuse - Google Patents

Appareil d'injection de matériau de greffe osseuse Download PDF

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Publication number
WO2022139549A1
WO2022139549A1 PCT/KR2021/019836 KR2021019836W WO2022139549A1 WO 2022139549 A1 WO2022139549 A1 WO 2022139549A1 KR 2021019836 W KR2021019836 W KR 2021019836W WO 2022139549 A1 WO2022139549 A1 WO 2022139549A1
Authority
WO
WIPO (PCT)
Prior art keywords
graft material
bone graft
injection device
shaft
screw
Prior art date
Application number
PCT/KR2021/019836
Other languages
English (en)
Korean (ko)
Inventor
유우상
Original Assignee
오스템임플란트 주식회사
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 오스템임플란트 주식회사 filed Critical 오스템임플란트 주식회사
Publication of WO2022139549A1 publication Critical patent/WO2022139549A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/087—Supplying powder or medicines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/24—Surgical instruments, devices or methods for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/06—Implements for therapeutic treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/06—Implements for therapeutic treatment
    • A61C19/063—Medicament applicators for teeth or gums, e.g. treatment with fluorides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62—Applicators, e.g. syringes or guns
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/66—Capsules for filling material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/68—Mixing dental material components for immediate application to a site to be restored, e.g. a tooth cavity
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0003—Not used, see subgroups
    • A61C8/0004—Consolidating natural teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0003—Not used, see subgroups
    • A61C8/0004—Consolidating natural teeth
    • A61C8/0006—Periodontal tissue or bone regeneration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A61C8/0092—Implanting tools or instruments for sinus lifting

Definitions

  • the present invention relates to a bone graft material injection device, and more particularly, to a bone graft material injection device for implanting a bone graft material when there is insufficient bone mass in a site where an implant is to be placed during an implant procedure.
  • Implant treatment is a cutting-edge procedure that restores the original function of the tooth by planting an artificial tooth root made of titanium, which does not have a rejection reaction in the human body, to replace the root of a lost tooth, in the alveolar bone where the tooth has escaped, and then fix the implant.
  • a bone graft material was implanted into the alveolar bone through a bone carrier and a bone condenser.
  • the operator inserts the outlet part of the bone carrier, which is formed in a funnel shape, into the hole formed in the alveolar bone, inserts the bone graft material into the inlet located on the opposite side of the outlet, and then injects saline.
  • the graft material was pushed into the alveolar bone little by little.
  • the present invention is to solve the problems of the prior art, and an object of the present invention is to provide a bone graft material injection device capable of improving the clogging of the bone graft material and shortening the bone graft material filling time.
  • One aspect of the present invention is a casing comprising a hollow-shaped body having both ends open to accommodate a bone graft material therein, a hopper for communicating the inside and the outside of the body, and a cap for closing the hopper, and provided inside the casing and a transfer unit including a shaft and a spiral-shaped screw disposed around the shaft, wherein the bone graft material is injected into the body through the hopper and transferred to one side of the casing according to the rotation of the transfer unit , to provide a bone graft material injection device.
  • the screw may be disposed to contact the body.
  • the diameter of the body and the height of the thread of the screw may be formed to gradually decrease along the axial direction of the shaft.
  • the cap may include a closing part protruding toward the body, and an end surface of the closing part may be formed to have a curved surface corresponding to an inner circumferential surface of the body.
  • the pitch of the screw may be formed to gradually increase along the axial direction of the shaft.
  • the bone graft material transfer area formed between the shaft, the thread in the pitch of the screw and the inner circumferential surface of the body may be constant along the axial direction of the shaft.
  • the bone graft material transfer area formed between the thread within the pitch of the screw and the inner circumferential surface of the body may be reduced at a certain rate along the axial direction of the shaft.
  • R2 A2 / A1 may be greater than 0.7 and less than 1.
  • the transfer unit is connected to the motor of the handpiece can be rotated.
  • the transfer unit closes the other side of the casing and includes a connection part having a groove formed around it
  • the casing may include a ball that protrudes to the inner circumferential surface of the body and is elastically coupled to the groove.
  • a casing including a hollow-shaped body having both ends open to accommodate a bone graft material therein, a hopper communicating the inside and the outside of the body, and the casing, the shaft and the shaft circumference
  • a bone graft material injection device comprising a conveying unit including a spiral-shaped screw disposed on do.
  • the filling blockage is improved, and the bone graft material filling time is remarkably reduced, thereby shortening the operation time of the implant.
  • FIG. 1 is a view showing a conventional bone capacitor and a bone carrier.
  • FIG. 2 is a perspective view of a bone graft material injection device according to an embodiment of the present invention.
  • FIG. 3 is an exploded perspective view of FIG. 2 .
  • FIG. 4 is a cross-sectional view of FIG. 2 .
  • FIG. 5 is a cross-sectional view of a casing and a transfer unit according to an embodiment of the present invention.
  • FIG. 6 is a view schematically showing a bone graft material injection method using the bone graft material injection device according to an embodiment of the present invention.
  • FIG. 7 is a perspective view of a bone graft material injection device according to another embodiment of the present invention.
  • FIG. 8 is an exploded perspective view of FIG. 7 .
  • FIG. 9 is a cross-sectional view of FIG. 7 .
  • the bone graft material injection device 1000 is used to implant the bone graft material 1 into the alveolar bone 2 when the bone tissue at the site where the implant is placed is weak or the bone mass is insufficient. , largely composed of a casing 1100 and a transfer unit 1200 .
  • FIG. 2 is a perspective view of a bone graft material injection device according to an embodiment of the present invention
  • FIG. 3 is an exploded perspective view of FIG. 2
  • FIG. 4 is a cross-sectional view of FIG. 2 .
  • the casing 1100 includes a body 1101 having a hollow shape with both ends open as a bone graft material 1 is accommodated therein, and at one end of the body 1101 .
  • the formed outlet 1102 is inserted into the hole formed in the alveolar bone 2 by a drill for surgery.
  • the outer diameter of the outlet 1102 may be formed of 4.1 mm, but is not limited thereto, and may be changed according to an applied target value.
  • the outlet 1102 may extend a predetermined distance so as to be parallel to the axial direction of the casing 1100 .
  • the other end of the casing 1100 is provided with an insertion hole 1103 larger than the diameter of the outlet 1102 .
  • a plurality of through-holes 1104 passing through the radial direction are formed around the insertion hole 1103 , and the balls 1105 elastically supported in the radial direction are disposed in the through-holes 1104 .
  • a ball plunger (not shown) may be disposed in the through hole 1104 .
  • the ball 1105 partially protrudes toward the inside of the casing 1100 and is seated in the connection groove 1232 of the transfer unit 1200 .
  • the diameter of the body 1101 is formed to gradually decrease as it approaches the outlet 1102 from the insertion hole 1103.
  • the outer peripheral surface of the body 1101 is formed to be tapered with a downward inclination of 4 to 10 degrees from the insertion port 1103 side toward the outlet 1102 as a conical shape.
  • Figure 5 (a) is a cross-sectional view of the casing 1100 according to an embodiment of the present invention.
  • the length of the extension of the outlet 1102 is L1
  • the length from the outlet 1102 to the insertion hole 1103 is L2
  • the inner diameter of the outlet 1102 is D1
  • the insertion hole 1103 When the inner diameter of D2 is, the inclination angle ⁇ of the outer peripheral surface of the body 1101 is It can be determined by the formula
  • ⁇ is less than 4 degrees, the axial length of the body 1101 is relatively long, so that the transport distance of the bone graft material 1 increases, so clogging may occur inside the body 1101, and ⁇ is 10 If it is larger than the figure, the insertion hole 1103 becomes large, so that the miniaturization of the bone graft material injection device 1000 cannot be achieved.
  • the casing 1100 is configured to include a hopper 1110 so that the bone graft material 1 can be easily filled therein.
  • the hopper 1110 is formed on one side of the outer peripheral surface of the body 1101 and is formed in a funnel shape with an open top. Since the inside and outside of the body 1101 are communicated by the hopper 1110, the operator can inject the bone graft material 1 into the casing 1100 through the hopper 1110.
  • the hopper 1110 is formed such that an angle formed by a pair of inner peripheral surfaces facing each other is 30 degrees or more and 50 degrees or less.
  • an angle formed by a pair of inner peripheral surfaces facing each other is 30 degrees or more and 50 degrees or less.
  • the angle formed by the pair of inner peripheral surfaces exceeds 50 degrees, the upper opening of the hopper 1110 is narrowly formed, which is cumbersome because the operator has to precisely adjust the input position of the bone graft material 1 .
  • the angle between the pair of inner circumferential surfaces is less than 30 degrees, the upper opening of the hopper 1110 is formed wide, and the bone graft material 1 ejected by the rotation of the transfer unit 1200 is transferred to the hopper 1110 through the opening. ) can be dislodged to the outside.
  • the outer peripheral surface of the body 1101 may be provided with a handle portion 1120 that protrudes outwardly and is connected to a handle (not shown).
  • the handle is formed in the shape of a rod extending long in the longitudinal direction, and a coupling portion having a shape corresponding to the handle portion 1120 is provided at one end.
  • the outlet 1102 of the body 1101 can be stably positioned in the hole of the alveolar bone 2 .
  • the end of the handle unit 1120 may be formed in a spherical shape so that the handle unit 1120 is rotatable with respect to the handle, and in this case, the operator's convenience may be improved.
  • the casing 1100 may further include a cap 1130 configured to close the hopper 1110 .
  • the cap 1130 is formed to have a size corresponding to the upper end of the hopper 1110, and on the lower surface of the cap 1130, a groove 1131 that can be engaged around the upper end of the hopper 1110 is located, and the central portion is closed protruding downward.
  • a portion 1132 is formed.
  • the closing surface 1132a of the closing part 1132 end has a curved surface corresponding to the inner circumferential surface of the casing 1110 body 1101 . is formed In this case, since the inner peripheral surface and the closing surface 1132a of the body 1101 are continuously formed, it is possible to prevent the bone graft material 1 from being pushed out of the hopper 1110.
  • the transfer unit 1200 is provided inside the casing 1100, and through axial rotation, the bone graft material 1 accommodated in the casing 1100 is discharged through the outlet 1102. It is transferred to the side, and includes a shaft 1210 and a screw 1220 having a spiral shape.
  • the shaft 1210 is inserted into the insertion hole 1103 of the casing 1100 and positioned inside the body 1101 , and is formed in the shape of a rod extending in the axial direction.
  • a screw 1220 formed of a helical thread is disposed around the outer circumferential surface of the shaft 1210 .
  • the screw 1220 is formed to be in contact with the inner circumferential surface of the body 1101.
  • the screw 1220 is integrally formed with the shaft 1210, when the shaft 1210 is engaged with the motor of the handpiece 10 and rotates, the bone graft material 1 inside the casing 1100 is the screw 1220. ) is transferred along the outlet 1102 side.
  • the transfer unit 1200 may be rotated at a speed of 5 rpm or more and 60 rpm or less.
  • the transfer unit 1200 is rotated at a speed of less than 5 rpm, the difficulty of the operation may be reduced, but there is no significant difference in the time between the conventional bone carrier and the bone condenser.
  • the transfer unit 1200 is rotated at a speed exceeding 60 rpm, the bone graft material 1 is ejected at a high speed, and the bone graft material 1 is blocked at the outlet 1102 .
  • the radius of the screw 1220 in contact with the inner circumferential surface of the body 1101 is also the radius of the body 1101. It is formed to gradually decrease according to the tapering.
  • the radius of the screw 1220 may be tapered with a downward inclination of about 5 to 10 degrees along the axial direction of the shaft 1210 .
  • the transfer amount of the bone graft material 1 according to the rotation of the screw 1220 is the shaft 1210, the transfer area defined by the area surrounded by the inner circumferential surface of the body 1101 and the thread positioned within the pitch of the screw 1220. is mainly affected by
  • the transfer area is the outlet ( 1102), it decreases.
  • the bone graft material 1 is compressed by the inner circumferential surface of the body 1101 or the screw thread of the screw 1220, the particles are crushed, so that the function may not be properly performed.
  • a clogging phenomenon of the bone graft material (1) at the outlet (1102) may occur, and also the motor of the handpiece (10) may be overloaded.
  • the bone graft material injection device 1000 is formed to gradually increase as the pitch of the screw 1220 approaches the outlet 1102 from the insertion hole 1103 so that the transfer area is kept constant.
  • the screw 1220 is formed so that the following pitches P2 and P3 are relatively larger than the pitch P1 of the insertion hole 1103 side.
  • the diameter of the shaft 1210 may be formed to gradually decrease as it approaches the outlet 1102 from the insertion hole 1103 so that the transfer area is kept constant along the axial direction of the shaft 1210 .
  • the present invention is not limited thereto, and the shaft 1210 may be formed to have a diameter gradually decreasing along the axial direction.
  • the bone graft material 1 is not excessively filled and compressed, and can be gently pushed out by the screw 1220.
  • the pitch of the screw 1220 may be formed to increase by a predetermined ratio as it approaches the outlet 1102 from the insertion hole 1103 .
  • Figure 5 (b) is a cross-sectional view of the transfer unit 1200 according to an embodiment of the present invention.
  • R1 is formed to be less than 1.05, for example, since the reduction in the conveying area due to the decrease in the diameter of the body 1101 is greater than the increase in the conveying area according to the increase in the pitch, the clogging phenomenon at the outlet 1102 is The bone graft material (1) is excessively compressed and cannot be transferred smoothly.
  • R1 is, for example, more than 3, the pitch located on the anterior side becomes longer than necessary, so that the bone graft material 1 does not advance and stays in place and cannot be transferred smoothly.
  • the pitch of the screw 1220 may be determined so that the transfer area decreases at a certain rate as it approaches the outlet 1102 .
  • the present invention is not limited thereto, and the pitch of the screw 1220 may be formed to be constant along the axial direction of the shaft 1210 .
  • connection portion 1230 coupled to the casing 1100 is formed at the end of the screw 1220 on the side of the insertion hole 1103 .
  • the connection part 1230 is formed in a circular shape corresponding to the inner circumferential surface of the insertion hole 1103 to close the insertion hole 1103 and is configured to include a circumferential surface 1231 having a predetermined thickness.
  • a connection groove 1232 corresponding to the shape of the ball 1105 protruding toward the inner circumferential side of the body 1101 is formed in the circumferential surface 1231 of the connection part 1230 .
  • an inclined surface 1233 is formed in front of the circumferential surface 1231 to be inclined in a forward downward direction, and when the transfer unit 1200 is inserted, the ball 1105 is connected to the connecting groove 1232 along the inclined surface 1233. can be smoothly guided to.
  • the transfer unit 1200 includes an extension portion 1240 that extends toward the opposite side of the spiral screw 1220 along the axial direction of the shaft 1210 and is connected to the handpiece 10 .
  • FIG. 6 is a view schematically showing a bone graft material injection method using the bone graft material injection device 1000 according to an embodiment of the present invention.
  • a method for injecting the bone graft material 1 using the bone graft material injection device 1000 according to an embodiment of the present invention will be described in detail with reference to FIG. 6 .
  • the handpiece 10 connected to the transfer unit 1200 is driven to rotate the transfer unit 1200 .
  • the screw 1220 is rotated and the bone graft material 1 is transferred to the outlet 1102 side and injected into the maxillary sinus 3 .
  • the casing (1100) is removed from the hole of the alveolar bone (2).
  • the procedure is completed by placing and fixing the implant in the hole of the alveolar bone 2 .
  • the bone graft material injection device 1000 of the present invention when used, the bone graft material 1 injection process is performed in a short time, so that the treatment time can be shortened.
  • the bone graft material 1 and the saline solution are not limited to being introduced into the hopper 1110 in order, but after mixing the bone graft material 1 and the saline solution in a separate bowl, the hopper 1110 can also be put into
  • the pitch was set so that the ratio of A2/A1 was 0.9.
  • the filling blockage is improved, and the filling time of the bone graft material 1 is effectively reduced, thereby shortening the implant operation time.
  • the operator directly puts the bone graft material 1 into the hopper 1110 to drive the handpiece 10 motor, but it is not limited thereto, and the bone graft material filling can be automatically controlled.
  • the container provided with the bone graft material 1 is coupled to the hopper 1110 so as to face the open upper side of the hopper 1110, and an opening and closing device that can be opened and closed may be provided at the entrance of the container.
  • the transfer unit 1200 can operate until the bone graft material 1 is not detected in the hopper 1110.
  • an infrared sensor may be provided at the lower end of the inner circumferential surface of the hopper 1110 .
  • the opening/closing device, the infrared sensor and the handpiece 10 motor are controlled by the control unit provided in the bone graft material injection device (1000).
  • the control device opens the opening and closing device, and the bone graft material 1 is filled in the hopper 1110 .
  • the control unit controls the motor of the handpiece 10 based on the detection signal of the bone graft material 1 inside the hopper 1110 by the infrared sensor.
  • the bone graft material injection device 1000 is automatically controlled, the operator's convenience can be increased.
  • FIG. 7 is a perspective view of a bone graft material injection device according to another embodiment of the present invention
  • FIG. 8 is an exploded perspective view of FIG. 7
  • FIG. 9 is a cross-sectional view of FIG.
  • the casing 2100 is coupled to the transfer unit 2200 through the casing cover 2140 , and is connected to the handpiece 10 separately from the extension portion 2240 . It is different from the first embodiment in that a part 2250 is included.
  • the casing 2100 may include a casing cover 2140 formed to partially cover the open space on the side of the insertion hole 2103 .
  • the casing cover 2140 closes the insertion hole 2103 to prevent the bone graft material 1 accommodated in the body 2101 from departing through the insertion hole 2103 .
  • the casing cover 2140 is formed in a disk shape corresponding to the insertion hole 2103, and a through hole 2141 extending toward one side of the circumference is formed in the center of the casing cover 2140.
  • the insertion hole 2103 is formed with a circumferential groove 2103a that protrudes in the radial direction and extends along the circumference
  • the casing cover 2140 has an insertion groove 2142 formed to surround the outer circumferential surface of the circumferential groove 2103a. can be formed.
  • the insertion groove 2142 extends to less than half the circumference of the casing cover 2140.
  • the transfer unit 2200 further includes an extension portion 2240 extending along the axial direction of the shaft 2210 and a handle portion 2250 coupled to the extension portion 2240 and connected to the handpiece 10 .
  • the extension part 2240 includes a first extension part 2241 formed to extend along the axial direction from the center of the shaft 2210 and the first extension part 2241 around the shaft 2210 . and a second extension 2242 extending to surround it.
  • the first extension portion 2241 and the second extension portion 2242 are formed to be spaced apart from each other by a predetermined distance in the radial direction to form a predetermined space therebetween, and the shaft portion 2250 is fitted and coupled to the space.
  • the shaft 2250 has one end coupled to the extension 2240 and the other end coupled to the motor of the handpiece 10, and the shape of one end of the shaft 2250 is the first extension ( It is formed to correspond to the space between the 2241 and the second extension 2242 .
  • a central portion 2251 recessed inward so that the first extension 2241 is inserted into the center of the bag 2250 , and a first extension in the circumferential direction of the center portion 2250 .
  • a first protrusion 2252 protruding to correspond to the space between the portion 2241 and the second extension portion 2242 is formed.
  • the second projection 2253 formed to protrude more along the axial direction from the end of the first projection 2252 on the shaft portion 2250 . ) is formed, and between the first extension part 2241 and the second extension part 2242 , an anti-skid groove 2243 corresponding to the second protrusion part 2253 is formed to be depressed inwardly.
  • the non-slip groove 2243 and the second protrusion 2253 are formed to partially open in the circumferential direction, and even if rotational torque is generated by the handpiece 10, the extension 2240 and the handle 2250 are formed. Slip between them is prevented.
  • the present invention is not limited thereto, and the extension part 2240 and the handle part 2250 may be simply attached to each other.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • Pulmonology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

Selon un mode de réalisation, la présente invention concerne un appareil d'injection d'un matériau de greffe osseuse, l'appareil comportant : un boîtier comprenant un corps creux, qui est ouvert aux deux extrémités et reçoit le matériau de greffe osseuse en son sein, une trémie, qui communique avec l'intérieur et l'extérieur du corps, et un capuchon, qui ferme la trémie ; et une unité de transport disposée à l'intérieur du boîtier et comprenant un arbre et une vis en spirale disposée autour de l'arbre. Le matériau de greffe osseuse est injecté dans le corps par l'intermédiaire de la trémie, puis transporté vers un côté du boîtier en fonction de la rotation de l'unité de transport.
PCT/KR2021/019836 2020-12-24 2021-12-24 Appareil d'injection de matériau de greffe osseuse WO2022139549A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20200183563 2020-12-24
KR20200183562 2020-12-24
KR10-2020-0183561 2020-12-24
KR20200183561 2020-12-24
KR10-2020-0183562 2020-12-24
KR10-2020-0183563 2020-12-24

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WO2022139549A1 true WO2022139549A1 (fr) 2022-06-30

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WO (1) WO2022139549A1 (fr)

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KR102737696B1 (ko) 2023-05-15 2024-12-04 오스템임플란트 주식회사 골이식재 주입장치
KR102737697B1 (ko) 2023-05-15 2024-12-04 오스템임플란트 주식회사 골이식재 주입장치
WO2024237395A1 (fr) * 2023-05-15 2024-11-21 오스템임플란트 주식회사 Dispositif d'injection de matériau de greffe osseuse

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WO2007115402A1 (fr) * 2006-04-07 2007-10-18 Société De Commercialisation Des Produits De La Recherche Appliquée Socpra Sciences Et Génie S.E.C. Système intégré de distribution de ciment acrylique pour des procédures et méthodes d'augmentation osseuse
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US20200237527A1 (en) * 2019-01-30 2020-07-30 Glazer Paul Andrew Bone grafting and compaction

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