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WO2025114607A1 - Sac de récupération pour chirurgie endoscopique - Google Patents

Sac de récupération pour chirurgie endoscopique Download PDF

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Publication number
WO2025114607A1
WO2025114607A1 PCT/EP2024/084348 EP2024084348W WO2025114607A1 WO 2025114607 A1 WO2025114607 A1 WO 2025114607A1 EP 2024084348 W EP2024084348 W EP 2024084348W WO 2025114607 A1 WO2025114607 A1 WO 2025114607A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
fluid
tubes
receiving
support structure
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.)
Pending
Application number
PCT/EP2024/084348
Other languages
German (de)
English (en)
Inventor
Sebastian WENZLER
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.)
Karl Storz SE and Co KG
Original Assignee
Karl Storz SE and Co KG
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
Priority claimed from DE102023133619.3A external-priority patent/DE102023133619A1/de
Priority claimed from DE102023133618.5A external-priority patent/DE102023133618A1/de
Application filed by Karl Storz SE and Co KG filed Critical Karl Storz SE and Co KG
Publication of WO2025114607A1 publication Critical patent/WO2025114607A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00287—Bags for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00535—Surgical instruments, devices or methods pneumatically or hydraulically operated
    • A61B2017/00557—Surgical instruments, devices or methods pneumatically or hydraulically operated inflatable

Definitions

  • the invention relates to a retrieval bag for endoscopic surgery with a receiving bag that can be expanded inside the body of a patient.
  • retrieval bags are used to isolate, package, and transport tissue fragments from the patient's body through an endoscopic approach.
  • Retrieval bags are used to prevent contamination of the surgical site with removed tissue.
  • the retrieval bags are folded and inserted into the surgical site via a trocar. They are then expanded to collect tissue once inside the patient.
  • the retrieval bags are usually expanded using endoscopic instruments.
  • this procedure has the disadvantage that the retrieval bag must always be held with at least one forceps during the operation and kept open at the entrance.
  • DE 102015 012 964 B4 discloses an access system for endoscopic surgery, in which a spreader element equipped with multiple spreader arms can be introduced into the surgical area via the trocar.
  • the spreader element is equipped with a retrieval bag in such a way that the retrieval bag is deployed upon entry into the surgical area by the radially outwardly extending spreader arms.
  • DE 42 42 153 A1 discloses a retrieval bag for minimally invasive surgery. Rib-shaped volume areas are provided for expanding the retrieval bag in the body cavity, which can be filled with a fluid.
  • US 5,788,709 A shows a retrieval bag for minimally invasive surgery, which can optionally be double-walled.
  • US 8,425,533 A teaches a retrieval bag device consisting of a handle, shaft, and retrieval bag.
  • the retrieval bag can be mechanically expanded at the distal end of the shaft.
  • the retrieval bag can be balloon-expanded using a fluid.
  • the invention is based on the object of creating a retrieval bag which ensures a safe surgical procedure while being easy to handle.
  • the solution to this problem is characterized according to the invention in that the receiving bag can be expanded by introducing a fluid.
  • the receiving bag be designed as a double-walled bag, wherein the two bag walls are connected to one another via webs, and the fluid can be introduced into the space between the two bag walls. As soon as the fluid flows into the space between the two bag walls, this space expands and stabilizes, thus automatically expanding the receiving bag formed by the inner bag wall.
  • the double-walled nature of the receiving bag further increases security against damage to the bag wall of the receiving bag when shredding tissue pieces within the receiving bag.
  • a preferred embodiment of the invention proposes that the receiving bag be designed as a double-walled bag, with the two bag walls being connected to each other via webs designed as tubes, into which the fluid can be introduced to expand the receiving bag.
  • the double-walled design also provides additional security against accidental damage to the receiving bag.
  • the receiving bag be suspended from an external support structure, wherein the support structure consists of tubes into which the fluid can be introduced to expand the receiving bag. As soon as the fluid flows into the support structure formed from tubes, this support structure expands and stabilizes, thus automatically expanding the receiving bag suspended from the support structure.
  • these tubes expand and stabilize, automatically expanding the collection bag suspended from them.
  • the fluid can be introduced into the tubes completely or in sections.
  • the invention further proposes that the support structure be redundantly formed from a plurality of hoses that can be filled with the fluid independently of one another.
  • the invention proposes that the tubes be designed as film tubes.
  • the invention further proposes that the tubes forming the webs surround the receiving bag in the form of a polygonal honeycomb structure.
  • the polygonal honeycomb structure makes it possible to create a dimensionally stable structure with just a few tubes that supports the receiving bag.
  • the polygonal honeycomb structure consists of pentagons and/or hexagons.
  • pentagons and/or hexagons By combining pentagons and/or hexagons, a spherical shape of the webs can be easily formed, as is known, for example, from the outer shell of soccer balls.
  • the invention proposes that the tubes forming the webs or the support structure, or the space between the two bag walls, be filled with the fluid from outside the body via a fluid tube. This allows the fluid to be easily and precisely metered into the tubes of the support structure, for example, using a syringe.
  • the fluid used to expand the receiving bag be air.
  • CO2, helium, water, or a medical rinsing fluid as the fluid.
  • a practical embodiment of the invention further proposes that the receiving bag has the shape of a dome, hemisphere or sphere.
  • the tubes forming the webs or the support structure are connected completely or only partially to the bag walls of the receiving bag.
  • Fig. 1 is a schematic representation of the use of a retrieval bag for endoscopic surgery according to the prior art
  • Fig. 2a is a schematic perspective view showing a first embodiment of a retrieval bag according to the invention
  • Fig. 2b is a schematic perspective view showing a second embodiment of a retrieval bag according to the invention.
  • Fig. 3a is a view according to Fig. 2a, but showing a third embodiment of a retrieval bag according to the invention
  • Fig. 3b is a view similar to Fig. 2b, but showing a fourth embodiment of a retrieval bag according to the invention
  • Fig. 4a is a schematic perspective view showing a fifth embodiment of a retrieval bag according to the invention.
  • Fig. 4b is a schematic perspective view showing a sixth embodiment of a retrieval bag according to the invention.
  • Fig. 5a is a schematic plan view of a seventh embodiment of a retrieval bag according to the invention.
  • Fig. 5b is a schematic plan view of an eighth embodiment of a retrieval bag according to the invention.
  • Figure 1 schematically shows the use of a retrieval bag 1 according to the prior art in an endoscopic surgical procedure.
  • a trocar 2 is inserted into an incision 3 in the abdominal wall 4 of the patient in order to be able to introduce, for example, the retrieval bag 1 and possibly other medical instruments into the surgical area 5 via the trocar 2.
  • An endoscope 6 inserted through a further incision 3 in the patient’s abdominal wall 4 is used to observe and guide the surgical procedure.
  • retrieval bags 1 are used to isolate, package, and transport tissue parts from the surgical area 5 in the patient's body to the outside through an endoscopic access, such as a trocar 2.
  • the retrieval bag 1 is used to prevent contamination of the surgical area with the removed tissue.
  • the retrieval bag 1 is folded and inserted into the surgical site 5 via the trocar 2. It is then expanded to collect tissue once inside the patient. In the case of morcellation, the tissue can be packed into the retrieval bag 1 and shredded for removal inside the retrieval bag 1 without the risk of contaminating the surrounding healthy tissue.
  • Figure 2a shows a first embodiment for forming a retrieval bag 1.
  • the illustrated recovery bag 1 essentially consists of a double-walled receiving bag 7, with an inner bag wall 8 forming the actual receiving bag 7 and an outer bag wall 9 spaced from the inner bag wall 8, wherein the two bag walls 8 and 9 are connected to one another via webs 11 designed as tubes 10, into which a fluid, in particular air, can be introduced to expand the receiving bag 7.
  • Alternative fluids for expanding the receiving bag 7 include CO2, helium, water and medical rinsing fluids. It is also possible to produce the webs 11 connecting the outer bag wall 9 and the inner bag wall 8, for example by hot stamping or welding, wherein in this embodiment the fluid is introduced into the intermediate space 12 between the two bag walls 8 and 9.
  • this intermediate space 12 expands and stabilizes, thus automatically expanding the receiving bag 7 formed by the inner bag wall 8.
  • the double-walled nature of the receiving bag 7 increases the security against damage to the inner bag wall 8 of the receiving bag 7 when shredding pieces of tissue within the receiving bag 7.
  • the receiving bag 7 of the retrieval bag 1 is ready to receive removed tissue.
  • the tubes 10 are designed as thin-walled film tubes.
  • the tubes 10 forming the webs 11 surround the receiving bag 7 in the form of a polygonal honeycomb structure.
  • the polygonal honeycomb structure makes it possible to create a dimensionally stable structure with just a few tubes, which supports the receiving bag 7.
  • the polygonal honeycomb structure consists of pentagons and/or hexagons.
  • the combination of pentagons and/or hexagons allows for a simple, spherical shape of the webs 11, as is known, for example, from the outer shell of soccer balls.
  • the retrieval bag 1 is designed in the shape of a hemisphere 13.
  • the third embodiment of the retrieval bag 1 shown in Fig. 3a differs from the design according to Fig. 2a in that the retrieval bag 1 in this embodiment is designed as a ball 14.
  • the filling of the tubes 10 forming the webs 11 with the fluid for expanding the receiving bag 7 is carried out via a separate fluid tube 15 connected to the tubes 10, which can be filled with the fluid from outside the body through the trocar 2. This allows the fluid to be introduced into the tubes 10 in a simple and precise manner, for example, using a syringe.
  • the receiving bag 7, expanded by the introduction of the fluid, can be easily and quickly filled with tissue to be separated using suitable medical instruments, such as forceps.
  • suitable medical instruments such as forceps.
  • the double wall construction with the webs 11 connecting the bag walls 8 and 9 ensures that the expanded receiving bag 7 has a stable shape and does not collapse, which could lead to the tissue contained in the receiving bag 7 falling out.
  • the filled receiving bag 7 is closed, for example, by clipping or sewing.
  • the receiving bag 7 can have a predetermined opening for filling the bag interior.
  • the receiving bag 7 it is also possible for the receiving bag 7 to be cut open only for filling with the tissue to be separated. This opening can then be easily closed again by clipping or sewing.
  • the polygonal honeycomb structure of the webs 11 and tubes 10 can also be formed only from triangles.
  • Fig. 4a shows, in perspective, the configuration of the webs 11, formed as tubes 10, connecting the inner bag wall 8 and the outer bag wall 9 to one another.
  • the inner bag wall 8, which forms the actual receiving bag 7 and is connected at least in sections to the webs 11 or tubes 10, is shown in dashed lines in this illustration only in the peripheral area of the opening of the retrieval bag 1. Otherwise, the shape of the inner bag wall 8 forming the receiving bag 7 corresponds to the hemispherical shape of the webs 11 and tubes 10.
  • the outer bag wall 9 which is at least partially connected to the webs 11 and hoses 10, is also shown in this illustration only in the peripheral area of the opening of the retrieval bag 1. Otherwise, the shape of the outer bag wall 9 corresponds to the outer side of the hemispherical shape of the webs 11 and hoses 10. As an alternative to the representation of the retrieval bag 1 as a hemisphere, it is of course also possible to design the retrieval bag 1 thus formed as a three-quarter sphere or a complete sphere.
  • FIG. 5a shows a plan view of a retrieval bag 1 in which the webs 11, designed as tubes 10, connecting the inner bag wall 8 and the outer bag wall 9 form six large triangles.
  • the inner bag wall 8 forming the receiving bag 7 and the outer bag wall 9 are connected at least in sections to the webs 11 or hoses 10, so that this double-walled recovery bag 1 is expanded when the fluid is introduced into the support structure 16 designed as hoses 9.
  • a retrieval bag 1 constructed as described above with reference to the figures is characterized in that it ensures a safe surgical procedure while being easy to handle, which is ensured in particular by the double-walled design of the receiving bag 7.
  • Figure 2b shows a second embodiment for forming a retrieval bag 1.
  • the illustrated retrieval bag 1 essentially consists of a receiving bag 7 suspended from an external support structure 16, wherein the support structure 16 consists of tubes 10 into which a fluid, in particular air, can be introduced to expand the receiving bag 7. As soon as the fluid flows into the support structure 16 formed from tubes 10, this support structure 16 expands and stabilizes, thus automatically expanding the receiving bag 7 suspended from the support structure 16 without the aid of any additional medical instrument.
  • Alternative fluids for expanding the receiving bag 7 include CO2, helium, water and medical rinsing fluids.
  • the tubes 10 are designed as thin-walled film tubes.
  • the tubes 10 forming the outer support structure 16 surround the receiving bag 7 in the form of a polygonal honeycomb structure.
  • the polygonal honeycomb structure makes it possible to create a dimensionally stable structure with just a few tubes 10 that supports the receiving bag 7.
  • the polygonal honeycomb structure consists of pentagons and/or hexagons.
  • the combination of pentagons and/or hexagons allows a simple formation of a spherical shape of the support structure 16, as is known, for example, from the outer shell of soccer balls.
  • the retrieval bag 1 is designed in the shape of a hemisphere 13.
  • the fourth embodiment of the retrieval bag 1 shown in Fig. 3b differs from the design according to Fig. 2b in that the retrieval bag 1 in this embodiment is designed as a ball 14.
  • the filling of the tubes 10 forming the support structure 16 with the fluid for expanding the receiving bag 7 is carried out via a separate fluid tube 15 connected to the tubes 10, which can be filled with the fluid from outside the body through the trocar 2. This allows the fluid to be introduced into the tubes 10 of the support structure 16 in a simple and precise manner, for example, using a syringe.
  • the receiving bag 7, expanded by the introduction of the fluid, can be easily and quickly filled with tissue to be separated using suitable medical instruments, such as forceps.
  • suitable medical instruments such as forceps.
  • the outer support structure 16 ensures that the expanded receiving bag 7 has a stable shape and does not collapse, which could lead to the tissue contained in the receiving bag 7 falling out.
  • the filled receiving bag 7 is closed, for example, by clipping or sewing.
  • the receiving bag 7 can have a predetermined opening for filling the bag interior.
  • the receiving bag 7 it is also possible for the receiving bag 7 to be cut open only for filling with the tissue to be separated. This opening can then be easily closed again by clipping or sewing.
  • the polygonal honeycomb structure can also be formed consisting only of triangles.
  • Fig. 4b shows a perspective view of the design of the support structure 16, consisting of a plurality of small triangles.
  • the receiving bag 7, which is connected at least partially to the support structure 16 and arranged inside the support structure 16, is shown in dashed lines only in the peripheral area of the opening of the retrieval bag 1. Otherwise, the shape of the receiving bag 7 corresponds to that of the inside of the support structure 16, with the receiving bag 7 being connected at least partially to the support structure.
  • retrieval bag 1 As an alternative to the representation of the retrieval bag 1 as a hemisphere, it is of course also possible to design the retrieval bag 1 thus formed as a three-quarter sphere or a complete sphere.
  • Figure 5b shows a top view of a recovery bag 1 in which the support structure 16 consists of six large triangles.
  • the receiving bag 7 is connected to the support structure 16 at least in sections, so that it expands when the fluid is introduced into the support structure 16, which is designed as tubes 10.
  • the retrieval bags 1 designed as described above can of course be used not only in endoscopic surgery, but also in classical open surgery.
  • a retrieval bag 1 constructed as described above with reference to the illustrations is characterized by the fact that it ensures a safe surgical procedure while being easy to handle.
  • the invention relates to a retrieval bag 1 for endoscopic surgery, comprising a receiving bag 7 that can be expanded inside a patient's body.
  • a retrieval bag 1 for endoscopic surgery, comprising a receiving bag 7 that can be expanded inside a patient's body.
  • the invention proposes that the receiving bag 7 be expandable by introducing a fluid.

Landscapes

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

Abstract

L'invention concerne un sac de récupération (1) pour chirurgie endoscopique, comprenant un sac de réception (7) qui peut être déployé à l'intérieur du corps d'un patient. Afin de produire un sac de récupération (1) qui est simple à manipuler et garantit que l'opération peut être effectuée en toute sécurité, l'invention prévoit que le sac de réception (7) soit expansible par l'introduction d'un fluide.
PCT/EP2024/084348 2023-11-30 2024-12-02 Sac de récupération pour chirurgie endoscopique Pending WO2025114607A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102023133618.5 2023-11-30
DE102023133619.3A DE102023133619A1 (de) 2023-11-30 2023-11-30 Bergebeutel für die endoskopische Chirurgie
DE102023133618.5A DE102023133618A1 (de) 2023-11-30 2023-11-30 Bergebeutel für die endoskopische Chirurgie
DE102023133619.3 2023-11-30

Publications (1)

Publication Number Publication Date
WO2025114607A1 true WO2025114607A1 (fr) 2025-06-05

Family

ID=93796943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/084348 Pending WO2025114607A1 (fr) 2023-11-30 2024-12-02 Sac de récupération pour chirurgie endoscopique

Country Status (1)

Country Link
WO (1) WO2025114607A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4242153A1 (de) 1992-12-14 1994-06-16 Rainer Dr Deckardt Aufnahme- und Bergebeutel für die minimal-invasive Chirurgie, sowie Vorrichtung zum Entleeren des Beutels
US5524633A (en) * 1991-11-25 1996-06-11 Advanced Surgical, Inc. Self-deploying isolation bag
US5788709A (en) 1995-04-26 1998-08-04 Riek; Siegfried Device for removal of tissue or such from the abdominal cavity
US20110184432A1 (en) * 2010-01-25 2011-07-28 Parihar Shailendra K Tissue Retrieval Device with Bladders
US20110190781A1 (en) * 2010-02-03 2011-08-04 Nicholas John Collier Surgical retrieval apparatus
US8425533B2 (en) 2010-01-26 2013-04-23 Ethicon Endo-Surgery, Inc. Tissue retrieval device with pouch stretching arm
US20160338682A1 (en) * 2015-05-22 2016-11-24 University Of South Florida Pneumatic system and method for intermittently rigidifying an endoscopic specimen retaining carrier
DE102015012964B4 (de) 2015-10-08 2018-12-27 Karl Storz Se & Co. Kg Zugangssystem für endoskopische Operationen
US20190328376A1 (en) * 2016-06-16 2019-10-31 Ark Surgical Ltd. Tissue containment device for use in surgical procedures
US20190336152A1 (en) * 2017-02-13 2019-11-07 Prabhat Kumar Ahluwalia Systems and methods associated with endoscopic surgical instruments
DE102021113669A1 (de) * 2021-05-27 2022-12-01 Eberle Gmbh & Co. Kg Medizinische Beutelanordnung für laparaskopische Eingriffe

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524633A (en) * 1991-11-25 1996-06-11 Advanced Surgical, Inc. Self-deploying isolation bag
DE4242153A1 (de) 1992-12-14 1994-06-16 Rainer Dr Deckardt Aufnahme- und Bergebeutel für die minimal-invasive Chirurgie, sowie Vorrichtung zum Entleeren des Beutels
US5788709A (en) 1995-04-26 1998-08-04 Riek; Siegfried Device for removal of tissue or such from the abdominal cavity
US20110184432A1 (en) * 2010-01-25 2011-07-28 Parihar Shailendra K Tissue Retrieval Device with Bladders
US8425533B2 (en) 2010-01-26 2013-04-23 Ethicon Endo-Surgery, Inc. Tissue retrieval device with pouch stretching arm
US20110190781A1 (en) * 2010-02-03 2011-08-04 Nicholas John Collier Surgical retrieval apparatus
US20160338682A1 (en) * 2015-05-22 2016-11-24 University Of South Florida Pneumatic system and method for intermittently rigidifying an endoscopic specimen retaining carrier
DE102015012964B4 (de) 2015-10-08 2018-12-27 Karl Storz Se & Co. Kg Zugangssystem für endoskopische Operationen
US20190328376A1 (en) * 2016-06-16 2019-10-31 Ark Surgical Ltd. Tissue containment device for use in surgical procedures
US20190336152A1 (en) * 2017-02-13 2019-11-07 Prabhat Kumar Ahluwalia Systems and methods associated with endoscopic surgical instruments
DE102021113669A1 (de) * 2021-05-27 2022-12-01 Eberle Gmbh & Co. Kg Medizinische Beutelanordnung für laparaskopische Eingriffe

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