EP3410962A1 - Instrument d'incision mini-invasif à partie guidée réutilisable - Google Patents

Instrument d'incision mini-invasif à partie guidée réutilisable

Info

Publication number
EP3410962A1
EP3410962A1 EP17701700.1A EP17701700A EP3410962A1 EP 3410962 A1 EP3410962 A1 EP 3410962A1 EP 17701700 A EP17701700 A EP 17701700A EP 3410962 A1 EP3410962 A1 EP 3410962A1
Authority
EP
European Patent Office
Prior art keywords
cutting
guide channel
cutting blade
incision instrument
instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17701700.1A
Other languages
German (de)
English (en)
Inventor
Stephan Lindner
Matthias Winkler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aesculap AG
Original Assignee
Aesculap AG
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 Aesculap AG filed Critical Aesculap AG
Publication of EP3410962A1 publication Critical patent/EP3410962A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/3211—Surgical scalpels, knives; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/32093—Incision instruments for skin incisions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3209—Incision instruments
    • A61B17/3211—Surgical scalpels, knives; Accessories therefor
    • A61B17/3213—Surgical scalpels, knives; Accessories therefor with detachable blades
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22038—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with a guide wire
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320052—Guides for cutting instruments

Definitions

  • the present invention relates to a minimally invasive surgical
  • Incision instrument for opening a surgical field, for example in the context of a dorsal spine stabilization.
  • Tissue injuries are minimized as possible, thereby ensuring the best possible
  • tissue incisions As small as possible and with a clean cut.
  • the tissue incisions should, however, at best be introduced directly in such a size that the required for the operation to be performed instrumentation can be carried out without subsequent cutting extension.
  • a subsequent cutting extension always has the disadvantage of a delay in the course of the operation and additional effort for the surgeon.
  • a guide wire which is introduced by means of a cannula in the body and fixed in the required position.
  • a guide wire which is also referred to as K-wire
  • K-wire can be attached to a vertebral body, for example, in the course of a spinal surgery.
  • the surgical field is to be opened by means of an incision instrument, to which end the previously introduced wire is used as a positioning aid.
  • fascia separator is known from the prior art, in which a replaceable, one-piece disposable blade on a
  • Instrument shaft attached and connected to this by screwing.
  • the disposable blade is provided for this purpose with an internal thread and held in a plastic sleeve. It also has a central, axially in the direction of the instrument shaft through opening in front of the operation
  • Muscle tissue is suitable.
  • the present invention is based on the object, an instrument, in particular an incision instrument, for a cost-effective standardized cutting guide at an opening of a surgical field
  • an instrument in particular an incision instrument for standardized / predefined cutting guidance in the opening of a surgical field, comprising a grip element with a cutting blade receptacle formed on a distal end of the grip element, at least one removable in or on the cutting blade receptacle receivable / received (preferably by clip connection) cutting blade and a guide channel extending in the longitudinal direction of the instrument (ie along the cutting blade receptacle and / or the handle member) or a number of guide gates for receiving a (separate) guide wire / K-wire therein.
  • an incision instrument with at least one exchangeable scalpel blade is provided,
  • an instrument with interchangeable single-use scalpel blades for opening the surgical field along a previously introduced and anchored K-wire The invention therefore provides a particularly cost-effective instrument for a standardized incision in the opening of a surgical field, especially in the context of a percutaneous implantation of a pedicle screw system, since only the blade and not the entire instrument is provided as a single product.
  • a conventional disposable scalpel blade can be used as the at least one cutting blade.
  • the at least one cutting blade has at least one cutting edge or cutting edge, preferably two (facing away from each other) cutting edges, which preferably taper towards the distal direction.
  • More concrete are preferably two cutting blades each with double-sided
  • Cutting edges provided which are aligned parallel or substantially parallel or at an acute angle to each other, and each taper in the direction of each distal. This results in the shape of a quasi-double spearhead, i. in other words, a double point with two facing away from each other
  • Cutting edges and two facing cutting edges the latter defining a proximally pointed converging cutting gap.
  • the cutting blade receptacle can be particularly easily formed in the manner of a conventional cutting blade holder. Preferably, therefore, has the
  • a cutting blade receiving a flat side for bringing the at least one, preferably the two cutting blade (s) and at least one,
  • the guide channel may be distally a first
  • the first guide channel opening for inserting the guide wire and proximal a second guide channel opening for carrying out the guided through the guide channel guide wire.
  • the first guide channel opening is formed at the level of a cutting edge of the cutting blade (s) placed in the cutting blade receptacle. However, it can also be offset with respect to the cutting edge forward or backward.
  • the guide channel is preferably formed on or in the grip element, for example by a hole introduced into the grip element or a similar cavity or by a hollow cylinder element arranged thereon.
  • Cutting blades each with at least one cutting edge, preferably two cutting edges.
  • the guide channel can then at least partially centered and / or the
  • Guide channel opening be arranged centrally between the two cutting blade recordings.
  • the incision instrument has four cutting edges / cutting edges, namely the two inner cutting edges facing the guide channel (facing each other) and the two outer cutting edges facing away from the guide channel. These may be formed by a single 4-edged cutting blade or by two each 2-edged cutting blades. It is particularly preferred if the four cutting edges or the four cutting edges together with the guide channel tip form the shape of an M whose two upper tips form cutting tips of the instrument blade, which are first inserted into the tissue during an incision.
  • the front edge of the guide channel opening formed as a cannula tip can be positioned at the level of the two inner cutters and together with these form a substantially continuously continuous cutting profile.
  • the distal end of the guide channel surrounding the guide channel opening is tapered in the manner of a cannula. It can also be said that in this case the tip of the guide channel can form a cutting edge or a part of the cutting edge of the instrument, together with the other cutting edges of the cutting blades placed in the cutting blade holder.
  • the second guide channel opening is in
  • the guide channel may be designed to be substantially completely continuous in the longitudinal direction of the handle element and have an outlet opening for a guide wire guided through the guide channel at the proximal end or in a proximal end region of the grip element.
  • FIG. 1 is a schematic plan view of a distal portion of an incision instrument according to the invention.
  • Fig. 2 is a schematic perspective view of an entire
  • FIG. 3 is a schematic perspective view of a distal portion of the incision instrument of FIG. 2;
  • FIG. 4 is a front perspective view of a pickup head of the
  • 5 shows the front perspective view of a pickup head of the
  • FIG. 6 is a rear perspective view of a pickup head of the
  • FIG. 1 shows, as an example of the invention, an incision instrument 1 with two cutting blades 3, 4 received in / on its cutting blade receptacle 2.
  • the depicted instrument 1 serves to open an operating field, not shown, (for example a skin incision) along a likewise not shown in the figures
  • Guidewire for example in the form of a K-wire, which has been previously fixed selectively to a patient's bone.
  • the incision instrument 1 has an instrument handle proximally or a
  • Handle element 5 is preferably made of a usual surgical instruments for stainless steel or other suitable material.
  • End portion of the handle member 5 is formed to a relative to the handle member 5 widening and at least on one (front) side flattened recording head 6.
  • a distal flat portion of the receiving head 6 are a first
  • Cutting blade holder 7 and a second cutting blade holder 8 is formed, as will be described in more detail below.
  • Schneidklingenaufnahnnnnnen 7, 8 are thereby extending in instrument longitudinally and are spaced from each other in the width direction.
  • the two cutting blade receptacles are disposed on the same plane with respect to the central axis of the instrument such that cutting edges mounted thereon define a common plane.
  • the two cutting blade receptacles are disposed on the same plane with respect to the central axis of the instrument such that cutting edges mounted thereon define a common plane.
  • a guide channel 9 for a guidewire (not shown) (K-wire) is formed or arranged on the grip element 5 or on the receiving head 6, which thus preferably also relates to the symmetry line of the receiving head 6.
  • the two cutting blade holders 7, 8 each take one of
  • Cutting blade 3, 4 formed groove 3a, 4a passes through, wherein between the
  • the cutting blades 3, 4 are double-sided cutting blades blade blade with two cutting edges) or commercial scalpel blades, respectively an inner cutting edge 12 or 13 directed towards the guide channel 9 and in each case one outwardly directed outer cutting edge 14 or 15 remote from the guide channel 9.
  • the inner cutting edges 12 and 13 and the outer cutting edges 14 and 15 respectively meet at a cutting tip 16. This results in a cutting tool with two spaced in the width direction of the receiving head 6 cutting blades 3, 4 and accordingly two instrument tips.
  • each cutting blade extends rearwardly over a length a from the cutting tip 16, ie in the direction of the receiving head 6.
  • the outer cutting edges 14, 15 extend rearwardly from the cutting tip 16 over a length b , In the illustrated instrument 1, the length a is shorter than the length b, so that the outer cutting edges 14, 15 extend further in the direction of the receiving head 6 than the inner cutting edges 12, 13. Distal between the two opposing inner cutting edges 12, 13 to the
  • Guide channel a (cutting) gap, which narrows in the direction of proximal (substantially) conical.
  • the guide channel 9, which adjoins the cutting gap proximal, is in this case by a between the cutting blade recordings 7, 8 in
  • the guide channel 9 extends continuously through the entire tubular portion, which is preferably formed integrally with the receiving head 6.
  • the tubular section or, in other words, the wall 19 surrounding the guide channel 9 is bevelled / sharpened in the manner of a cannula and thus formed with a channel tip / leading edge 20.
  • the cutting blades 3, 4 are arranged on both sides of the guide channel 9 and positionally stable on / positioned on the receiving head 6, such that the channel tip / - leading edge 20 of the guide channel 9 and the two inner cutting edges 12, 13 a (substantially) continuous, curved or angled cutting the course form.
  • the incision instrument 1 has an approximately distally M-shaped cutting edge serially composed of outer cutting edge 14, cutting tip 16 and inner cutting edge 12 of the first
  • Cutting blade 3 channel tip / front edge 20 and finally inner blade 13, cutting tip 16 and outer cutting edge 15 of the second cutting blade 4 (in this order), having.
  • a contact shoulder 21 or 22 can be formed in the longitudinal direction of the instrument, which is indicated in particular in FIG. 4 (without a cutting blade) and on each of which a cutting blade 3, 4 with its yourself
  • Recording head 6 a central (oval or rectangular) recess 25 (perpendicular to the cutting blade receiving / surfaces extending, preferably slot-like opening), which thus the front and back of the recording head. 6
  • a type of outlet opening closes (possibly with longitudinally extending concave / trough-shaped

Landscapes

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

Abstract

La présente invention concerne un instrument d'incision (1) pour une incision standardisée lors de l'ouverture d'un champ opératoire, qui comporte un élément poignée (5) pourvu d'un logement récepteur (7, 8) de lame de coupe ménagé à une extrémité distale de l'élément poignée (5), une lame de coupe (3, 4) montée amovible dans le logement récepteur (7, 8), et un canal de guidage (9) s'étendant dans la direction longitudinale de l'instrument (1) et destiné à recevoir un fil de guidage.
EP17701700.1A 2016-02-03 2017-01-27 Instrument d'incision mini-invasif à partie guidée réutilisable Withdrawn EP3410962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016101915.1A DE102016101915A1 (de) 2016-02-03 2016-02-03 Minimalinvasives Inzisionsinstrument mit geführter Mehrfachschneide
PCT/EP2017/051722 WO2017133967A1 (fr) 2016-02-03 2017-01-27 Instrument d'incision mini-invasif à partie guidée réutilisable

Publications (1)

Publication Number Publication Date
EP3410962A1 true EP3410962A1 (fr) 2018-12-12

Family

ID=57906627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17701700.1A Withdrawn EP3410962A1 (fr) 2016-02-03 2017-01-27 Instrument d'incision mini-invasif à partie guidée réutilisable

Country Status (6)

Country Link
US (1) US20190038306A1 (fr)
EP (1) EP3410962A1 (fr)
JP (1) JP2019505320A (fr)
CN (1) CN108601607A (fr)
DE (1) DE102016101915A1 (fr)
WO (1) WO2017133967A1 (fr)

Cited By (1)

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CN110403675A (zh) * 2019-09-08 2019-11-05 成都市第二人民医院 刃口隐藏适时切割式外科手术专用剥离机构

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JP6546864B2 (ja) * 2016-02-18 2019-07-17 フェザー安全剃刀株式会社 手術用メス
US20210220004A1 (en) 2018-06-25 2021-07-22 At Ortho Limited Surgical instruments
US11723708B2 (en) 2018-07-31 2023-08-15 Prana Thoracic, Inc. Method for removing a tissue lesion
US20200038097A1 (en) * 2018-07-31 2020-02-06 Ethicon, Inc. Kit for removing a tissue lesion
CN110301964B (zh) * 2019-06-18 2024-02-09 河北瑞鹤医疗器械有限公司 微创手术刀组件
CN110664449B (zh) * 2019-11-05 2023-08-11 江苏省肿瘤医院 一种适用于微创手术的切割缝合器
USD941470S1 (en) 2019-11-07 2022-01-18 K2M, Inc. Surgical blade
US20210137535A1 (en) * 2019-11-07 2021-05-13 K2M, Inc. Incision Tools And Methods Of Use
GB201918999D0 (en) 2019-12-20 2020-02-05 At Ortho Ltd Surgical instruments
CN113729908B (zh) * 2021-09-16 2023-08-04 四川大学华西医院 一种用于肋骨固定的带钝头钢针的钢丝

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Publication number Priority date Publication date Assignee Title
CN110403675A (zh) * 2019-09-08 2019-11-05 成都市第二人民医院 刃口隐藏适时切割式外科手术专用剥离机构
CN110403675B (zh) * 2019-09-08 2024-04-09 成都市第二人民医院 刃口隐藏适时切割式外科手术专用剥离机构

Also Published As

Publication number Publication date
JP2019505320A (ja) 2019-02-28
WO2017133967A1 (fr) 2017-08-10
US20190038306A1 (en) 2019-02-07
CN108601607A (zh) 2018-09-28
DE102016101915A1 (de) 2017-08-03

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