WO2012079548A1 - Ensemble d'implant de prostate - Google Patents

Ensemble d'implant de prostate Download PDF

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Publication number
WO2012079548A1
WO2012079548A1 PCT/CZ2011/000117 CZ2011000117W WO2012079548A1 WO 2012079548 A1 WO2012079548 A1 WO 2012079548A1 CZ 2011000117 W CZ2011000117 W CZ 2011000117W WO 2012079548 A1 WO2012079548 A1 WO 2012079548A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
implant
thread
prostate
introduction
Prior art date
Application number
PCT/CZ2011/000117
Other languages
English (en)
Other versions
WO2012079548A8 (fr
Inventor
Stanislav Lasak
Original Assignee
Lasakova, Martina
Fousek, Ladislav
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 Lasakova, Martina, Fousek, Ladislav filed Critical Lasakova, Martina
Publication of WO2012079548A1 publication Critical patent/WO2012079548A1/fr
Publication of WO2012079548A8 publication Critical patent/WO2012079548A8/fr

Links

Classifications

    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/94—Stents retaining their form, i.e. not being deformable, after placement in the predetermined place
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
    • A61F2002/047—Urethrae
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2002/9505—Instruments specially adapted for placement or removal of stents or stent-grafts having retaining means other than an outer sleeve, e.g. male-female connector between stent and instrument

Definitions

  • the invention relates to a prostate implant assembly for introducing the implant into the patient's urethra in the place of the prostate.
  • catheters are known to be used for medical interventions or treatment of the patient's organs.
  • a catheter is a medical instrument that is used to examine, rinse or empty body cavities of people or animals.
  • catheterisation a tube or hose (supplemented with other aids and instruments) that the physician introduces into a hollow body organ. This activity is called catheterisation. It is employed e.g. for examinations of the heart, blood, urinary bladder and in other medical procedures.
  • prostate stents are known that are introduced into the urethra into the place of the prostate.
  • the design of these prostate stents is quite complex, which makes the production of such stents complex as well and mainly the auxiliary devices for introduction of stents are very complicated to produce and thus costly.
  • known prostate stents are mostly introduced into the urethra at least under local anaesthesia.
  • the simple solution described in the present invention is based on the principle that the assembly of the prostate implant comprises a hollow tube that is axially symmetrical while the tube is provided with an entry end that is the first to enter the body during the application of the implant and an opposite end designed for connection with the introduction device of the implant.
  • the introduction device of the implant is provided with a flexible wire, a holder and means for connection of the introduction device with the hollow tube.
  • the tube body is made of a biologically compatible material and the entry end of the tube is equipped with a ring to facilitate the introduction of the implant while the opposite end is fitted with a thread.
  • the means for the connection of the introduction device with the tube includes an introduction element connected axially to the bottom face via a connection element.
  • the bottom face is provided with a ring on which a thread is created that is used to engage with the thread provided at the opposite end of the tube, both the threads forming a dismountable connection between the introduction device and the implant tube.
  • the smallest diameter of the ring is smaller than the outer diameter of the tube and at the same time the largest diameter of the ring is larger than the outer diameter of the tube to prevent the implant from sliding downwards and also to facilitate introduction of the implant tube.
  • the tube body is perforated while the perforations may represent openings of various shapes.
  • the thread is created on the outer surface of the tube and it is a steep-pitched thread to enable easy release from the engaging thread on the bottom face ring.
  • the introduction element has a conical shape while in the implant application assembly the introduction element protrudes from the entry end of the tube to facilitate insertion of the implant tube into the patient's prostate.
  • the prostate implant is a means made of biologically compatible material, i.e. its tolerability for human organism is very good and on the other hand the human organism does not cause degradation of the implant.
  • the application of the implant is easy while even local anaesthesia is not necessary for the application.
  • fig. 1 shows a schematic representation of the prostate implant
  • fig. 2 shows a schematic representation of the introduction device of the implant, which is used for application of the implant.
  • the assembly consists of two parts, one of them is the implant and the other one is the introduction device 7 of the implant.
  • Fig. 1 shows the design of the implant.
  • the implant body consists of a hollow tube 2, symmetrical by the axis 5.
  • the tube 2 is made of a material that complies with the standard for application in the human organism, i.e. of a biologically compatible material.
  • a biologically compatible material is assessed with regard to its interaction with the environment, mainly its cytotoxic effects, to toxicological and allergic reactions, to carcinogenic, teratogenic or mutagenic reactions, to its influence on infectious processes and the scope and quality of biological degradation. What is important is that the material should not influence e.g. coagulation, cause an inflammation reaction, release potentially toxic substances, etc.
  • the tube 2 At the end of the tube 2 that serves as the entry end, which is the first one to enter the patient's body, the tube 2 is provided with a ring 4 whose largest diameter is larger than the outer diameter of the tube 2 and the smallest diameter of this ring 4 is smaller than the outer diameter of the tube 2.
  • This proportion of diameters of the ring 4 and tube 2 and the conical outer outline of the ring 4 facilitate penetration of the implant into the patient's body during the application and the widest edge of the ring 4 exceeding the outer diameter of the tube 2 prevents the tube 2 from sliding downwards.
  • the tube 2 is provided with a thread 6. It is preferred that the thread 6 is created at the outer side of the tube 2. Preferably, it should be a steep-pitched thread 6. "Steep-pitched thread” means a thread having lead of screw thread steeper than the standard ones.
  • the tube 2 may be preferably provided with perforations or other openings of any shape.
  • Fig. 2 shows the other part of the assembly, which represents the introduction device 7 of the implant used to apply the implant into the patient's body.
  • the introduction device 7 comprises an introduction element 8 that has a conical shape to facilitate penetration through the patient's body during the introduction.
  • the introduction element 8 is connected to the bottom face 1 1 along the axis 5 with the use of the connection element 14.
  • the bottom face 11 is provided with a ring 9 on which a thread is created. Preferably, it is the inner wall 10 of the ring 9 where the thread is made. Moreover, it is advantageous if the thread is steep- pitched.
  • the bottom face 11 is connected via a flexible wire 12 to a holder 13 for grasping during the application.
  • the application of the implant to the patient is carried out in the following manner.
  • the implant tube 2 is attached with the use of the thread to the ring 9 at the bottom face 11 while the introduction element 8 of the conical shape facilitating the introduction of the implant to the patient's body protrudes out of the entry end of the tube 2.
  • the implant tube 2 is introduced through the urethra up to the place of the prostate while the implant tube 2 and the introduction device 7 make it possible to pass inside the patient's body without local anaesthesia.
  • the screw connection of the thread of the ring 9 of the bottom face 11 and the thread 6 of the bottom end of the tube 2 is released by a rotary movement of the flexible wire 12 of the introduction device 7 and the introduction device 7 is removed from the patient's body while the implant tube 2 will remain in the place of introduction, i.e. in the urethra, in the place of the prostate.
  • introducing the implant with the use of the introduction device in accordance with the present invention is very easy, even local anaesthesia is not required.
  • the implant does not limit the flow of urine from the bladder through the hypertrophied or otherwise damaged prostate in any way.
  • the implant can be used in another way. If an implant without perforation of the body of the tube 2 is used, it will prevent passage of secretion from prostate glands and semen into the urethra. This way the prostate implant can serve as contraception means in men.
  • Another advantage of the described implant is that the implant can be easily removed by insertion of the introduction device by screwing and retracting from the patient's body.
  • the prostate implant is applicable for the previously described treatment of prostate trouble.
  • the implant can be easily introduced by means of the introduction device into the patient's body.

Landscapes

  • Health & Medical Sciences (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne un ensemble d'implant de prostate comprenant un tuyau creux (2) symétrique le long d'un axe (5). Le tuyau (2) est pourvu d'une extrémité d'entrée, qui est la première à entrer dans le corps durant l'application de l'implant, et d'une extrémité opposée conçue pour un raccordement avec un dispositif d'introduction (7) de l'implant. Le dispositif d'introduction (7) de l'implant est pourvu d'un fil souple (12), d'un support (13) et d'un moyen pour le raccordement du dispositif d'introduction (7) au tuyau creux (2). Le corps du tuyau (2) est constitué d'un matériau biologiquement compatible. L'extrémité d'entrée du tuyau (2) est pourvue d'un anneau (4) pour faciliter l'introduction de l'implant alors que l'extrémité opposée du tuyau (2) est pourvue d'un filetage (6). Le moyen pour le raccordement du dispositif d'introduction (7) au tuyau (2) comprend un élément d'introduction (8) connecté le long de l'axe (5) à une face inférieure (11) à l'aide d'un élément de raccordement (14) alors que la face inférieure (11) est pourvue d'un anneau (9) sur lequel un filetage est créé pour venir en prise avec le filetage créé à l'extrémité opposée du tuyau (2). L'un et l'autre filetages produisent un raccordement démontable entre le dispositif d'introduction (7) et le tuyau (2) de l'implant.
PCT/CZ2011/000117 2010-12-16 2011-12-13 Ensemble d'implant de prostate WO2012079548A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZPV2010-944 2010-12-16
CZ20100944A CZ303676B6 (cs) 2010-12-16 2010-12-16 Sestava prostatického implantátu

Publications (2)

Publication Number Publication Date
WO2012079548A1 true WO2012079548A1 (fr) 2012-06-21
WO2012079548A8 WO2012079548A8 (fr) 2012-08-02

Family

ID=45773984

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CZ2011/000117 WO2012079548A1 (fr) 2010-12-16 2011-12-13 Ensemble d'implant de prostate

Country Status (2)

Country Link
CZ (1) CZ303676B6 (fr)
WO (1) WO2012079548A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10105132B2 (en) 2005-05-20 2018-10-23 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10130353B2 (en) 2012-06-29 2018-11-20 Neotract, Inc. Flexible system for delivering an anchor
US10143461B2 (en) 2005-05-20 2018-12-04 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
US10195014B2 (en) 2005-05-20 2019-02-05 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10265061B2 (en) 2005-05-20 2019-04-23 Neotract, Inc. Latching anchor device
US10292801B2 (en) 2012-03-29 2019-05-21 Neotract, Inc. System for delivering anchors for treating incontinence
US10299780B2 (en) 2005-05-20 2019-05-28 Neotract, Inc. Apparatus and method for manipulating or retracting tissue and anatomical structure
US10426509B2 (en) 2005-05-20 2019-10-01 Neotract, Inc. Median lobe destruction apparatus and method
US10492792B2 (en) 2005-05-20 2019-12-03 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10925587B2 (en) 2005-05-20 2021-02-23 Neotract, Inc. Anchor delivery system
US11672520B2 (en) 2017-12-23 2023-06-13 Teleflex Life Sciences Limited Expandable tissue engagement apparatus and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996011721A1 (fr) * 1994-10-03 1996-04-25 Menlo Care, Inc. Systemes a memoire de forme pour dispositifs medicaux polymeres
US20050137716A1 (en) * 2003-12-17 2005-06-23 Yosef Gross Implant and delivery tool therefor
WO2009055574A2 (fr) * 2007-10-26 2009-04-30 Cook Critical Care Incorporated Conduite vasculaire et système de distribution pour placement chirurgical ouvert

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US4893623A (en) * 1986-12-09 1990-01-16 Advanced Surgical Intervention, Inc. Method and apparatus for treating hypertrophy of the prostate gland
DE19540919B4 (de) * 1995-11-03 2011-07-28 Sachse, Hans E., Prof. Dr.med., 90425 Anordnung zum Offenhalten des Urindurchflusses durch die Harnröhre
US5830179A (en) * 1996-04-09 1998-11-03 Endocare, Inc. Urological stent therapy system and method
US7044980B2 (en) * 2000-02-03 2006-05-16 Boston Scientific Scimed, Inc. Facilitating drainage
US6770101B2 (en) * 2001-10-09 2004-08-03 Scimed Life Systems, Inc. Prostatic stent and delivery system
US6929663B2 (en) * 2003-03-26 2005-08-16 Boston Scientific Scimed, Inc. Longitudinally expanding medical device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996011721A1 (fr) * 1994-10-03 1996-04-25 Menlo Care, Inc. Systemes a memoire de forme pour dispositifs medicaux polymeres
US20050137716A1 (en) * 2003-12-17 2005-06-23 Yosef Gross Implant and delivery tool therefor
WO2009055574A2 (fr) * 2007-10-26 2009-04-30 Cook Critical Care Incorporated Conduite vasculaire et système de distribution pour placement chirurgical ouvert

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10492792B2 (en) 2005-05-20 2019-12-03 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US11090036B2 (en) 2005-05-20 2021-08-17 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10105132B2 (en) 2005-05-20 2018-10-23 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10195014B2 (en) 2005-05-20 2019-02-05 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10265061B2 (en) 2005-05-20 2019-04-23 Neotract, Inc. Latching anchor device
US10575844B2 (en) 2005-05-20 2020-03-03 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10299780B2 (en) 2005-05-20 2019-05-28 Neotract, Inc. Apparatus and method for manipulating or retracting tissue and anatomical structure
US10426509B2 (en) 2005-05-20 2019-10-01 Neotract, Inc. Median lobe destruction apparatus and method
US10143461B2 (en) 2005-05-20 2018-12-04 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
US11504149B2 (en) 2005-05-20 2022-11-22 Teleflex Life Sciences Limited Median lobe destruction apparatus and method
US10925587B2 (en) 2005-05-20 2021-02-23 Neotract, Inc. Anchor delivery system
US11471148B2 (en) 2005-05-20 2022-10-18 Teleflex Life Sciences Limited Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US10945719B2 (en) 2005-05-20 2021-03-16 Neotract, Inc. Devices, systems and methods for retracting, lifting, compressing, supporting or repositioning tissues or anatomical structures
US10292801B2 (en) 2012-03-29 2019-05-21 Neotract, Inc. System for delivering anchors for treating incontinence
US11331093B2 (en) 2012-06-29 2022-05-17 Teleflex Life Sciences Limited Flexible system for delivering an anchor
US10130353B2 (en) 2012-06-29 2018-11-20 Neotract, Inc. Flexible system for delivering an anchor
US10912637B2 (en) 2013-03-14 2021-02-09 Neotract, Inc. Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US11850140B2 (en) 2013-03-14 2023-12-26 Teleflex Life Sciences Limited Devices, systems and methods for treating benign prostatic hyperplasia and other conditions
US11672520B2 (en) 2017-12-23 2023-06-13 Teleflex Life Sciences Limited Expandable tissue engagement apparatus and method

Also Published As

Publication number Publication date
CZ2010944A3 (cs) 2012-06-27
WO2012079548A8 (fr) 2012-08-02
CZ303676B6 (cs) 2013-02-27

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