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    • 3. 发明授权
    • Dental cartridge extruder with rigid drop-in front end
    • 具有刚性落入前端的牙套筒式挤出机
    • US5489207A
    • 1996-02-06
    • US147719
    • 1993-11-04
    • William B. DraganJohn J. Discko, Jr.
    • William B. DraganJohn J. Discko, Jr.
    • A61C5/04A61C5/06
    • A61C5/062
    • A manual dental extruder or syringe gun having a front end with rigid side walls and an opening therein adapted to receive a dental cartridge, capsule, ampule or tip having a flange. The body portion of the cartridge has a diameter less than that of the lateral width of the opening in the rigid side walls so that the dental cartridge can easily be dropped therein. At one end of the cartridge opening is a flange retainer. After dropping the dental cartridge in the front end, the cartridge is slid forward into the flange retainer. A portion of the rigid side walls extend over the flange when the dental cartridge is in position to be extruded. The rigid side walls improve the durability and strength of the dental extruder and prevents the dental cartridge from being pushed through the end of the extruder due to the large longitudinal forces required to extrude viscous dental materials.
    • 一种手动牙科挤出机或注射枪,其具有刚性侧壁的前端和其中的开口,其适于接纳具有凸缘的牙套,胶囊,安瓿或尖端。 盒的主体部分的直径小于刚性侧壁中的开口的横向宽度的直径,使得牙盒能够容易地落在其中。 在盒开口的一端是凸缘保持器。 在将牙盒放在前端之后,墨盒向前滑入凸缘保持器。 当牙科盒处于被挤出的位置时,一部分刚性侧壁在凸缘上延伸。 刚性侧壁提高了牙科挤压机的耐久性和强度,并且由于拉伸粘性牙科材料所需的大的纵向力,防止了牙套被挤压通过挤出机的端部。
    • 5. 发明授权
    • Micro aspirator
    • 微型吸气器
    • US5876384A
    • 1999-03-02
    • US958729
    • 1997-10-27
    • William B. DraganJohn J. Discko, Jr.
    • William B. DraganJohn J. Discko, Jr.
    • A61C17/08A61M1/00A61C17/06
    • A61C17/04A61M1/008
    • This invention is directed to a micro aspirator for use in performing microsurgery for the removal of blood, debris and fluids from around the micro surgical site. The micro aspirator includes an elongated flexible tube which is preferably transparent, which is adapted to be connected to a negative pressure source and an aspirating tip formed as a plastic hub having a connected needle or cannula with a gauge ranging between 10 to 30 connected to the end of the flexible tube. The plastic hub may be either detachably or fixedly secured to the end of the flexible tube, with the needle or cannula being formed of a readily bendable material that can be easily bent by the operator or surgeon to any desired angle.
    • 本发明涉及一种用于执行显微外科手术以从微手术部位周围除去血液,碎屑和流体的微型抽吸器。 微型吸气器包括细长的柔性管,其优选是透明的,其适于连接到负压源,吸入尖端形成为具有连接的针或套管的塑料毂,其尺寸介于10至30之间, 柔性管的端部。 塑料轮毂可以可拆卸地或固定地固定到柔性管的端部,其中针或套管由容易弯曲的材料形成,该材料可以容易地被操作者或外科医生弯曲到任何所需的角度。
    • 6. 发明授权
    • Conforming gingiva retraction compression cap and method of retracting tissue around a tooth
    • 符合牙龈退缩压缩帽和回缩牙齿周围的组织的方法
    • US08118595B2
    • 2012-02-21
    • US12291648
    • 2008-11-12
    • John J. Discko, Jr.William B. Dragan
    • John J. Discko, Jr.William B. Dragan
    • A61C5/14
    • A61C9/0033
    • A rolled compression cap having a central bore. The rolled compression cap has adjacent layers that slide or telescope to conform to the prepared tooth and to apply more direct mechanical pressure to the interface between the prepared tooth and the gingiva. The gingiva or gum retracts from the tooth forming or widening a gingival sulcus. This improves the preparation of the tooth for taking an impression and fitting a crown or cap. In one embodiment, a rolled compression cap is pre-dosed or soaked with an astringent material or retraction agent. In another embodiment, the central bore of the rolled compression cap is filled with a paste-like or gel material containing an astringent or hemostatic agent.
    • 具有中心孔的轧制压缩盖。 轧制的压缩帽具有相邻的层,其滑动或望远镜以与准备的齿一致,并且对准备好的牙齿和牙龈之间的界面施加更直接的机械压力。 牙齿或牙齿从牙齿缩回形成或扩大牙龈沟。 这样可以改善牙齿的准备,以获得印象并安装表冠或帽子。 在一个实施例中,轧制的压缩帽被预先给药或用收敛材料或收缩剂浸泡。 在另一个实施例中,轧制的压缩帽的中心孔填充有含有收敛剂或止血剂的糊状或凝胶材料。