CN113558696A - Blood vessel anastomat for kidney transplantation operation - Google Patents

Blood vessel anastomat for kidney transplantation operation Download PDF

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Publication number
CN113558696A
CN113558696A CN202110773094.6A CN202110773094A CN113558696A CN 113558696 A CN113558696 A CN 113558696A CN 202110773094 A CN202110773094 A CN 202110773094A CN 113558696 A CN113558696 A CN 113558696A
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China
Prior art keywords
inner tube
tube
blood vessel
outer tube
cut
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Granted
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CN202110773094.6A
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Chinese (zh)
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CN113558696B (en
Inventor
王俊鹏
李鑫
闫天中
武小强
曹广辉
王志为
杨中南
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Henan Provincial Peoples Hospital
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Henan Provincial Peoples Hospital
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Publication of CN113558696A publication Critical patent/CN113558696A/en
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Publication of CN113558696B publication Critical patent/CN113558696B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • 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
    • A61F2/06—Blood vessels
    • A61F2/064—Blood vessels with special features to facilitate anastomotic coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B2017/1107—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis for blood vessels
    • 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0004—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof bioabsorbable
    • 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
    • A61F2210/00—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2210/0014—Particular material properties of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof using shape memory or superelastic materials, e.g. nitinol

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Cardiology (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Materials For Medical Uses (AREA)
  • Prostheses (AREA)

Abstract

The invention belongs to the technical field of medical instruments, and discloses a blood vessel anastomat for kidney transplantation operation, wherein an inner tube main body comprises a left inner tube, fixing teeth fixedly connected with the left inner tube are arranged on the left inner tube, a middle tube fixedly connected with the left inner tube is arranged on the left inner tube, a right inner tube fixedly connected with the middle tube is arranged on the middle tube, the fixing teeth fixedly connected with the right inner tube are arranged on the right inner tube, and hollow grids are arranged on the left inner tube, the middle tube and the right inner tube.

Description

Blood vessel anastomat for kidney transplantation operation
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a blood vessel anastomat for a kidney transplantation operation.
Background
The vascular anastomosis technique is the basis of microsurgery and whole surgery, and the ideal vascular anastomosis method should be easy to master, simple and convenient to operate, short in anastomosis time and small in vascular injury. The existing vascular anastomosis technology mainly comprises a suture anastomosis technology, a vascular mechanical anastomosis technology and a vascular bonding technology. The suture anastomosis technology and the mechanical anastomosis technology which are commonly used in clinic at present. Although suture anastomosis techniques are currently accepted as the standard method of vascular anastomosis, there are still some problems: the operation is complicated, the operation time is long, the skill requirement on doctors is high, the operation requirement is difficult to master in a short time without training, and meanwhile, the operation quality is easily influenced by the psychological and physiological fluctuation of the doctors. Exposure of the suture to the blood vessel can interfere with the normal flow of blood, the inversion of the anastomotic orifice, etc., which can increase the risk of thrombus formation. At present, the blood vessel anastomat applied to clinic at home and abroad can overcome the serious defects of complex operation, long anastomosis time, intimal injury and the like of the traditional blood vessel anastomosis method. However, the nonabsorbable needle ring influences the physiological functions of normal contraction and relaxation of blood vessels at the anastomotic site, thereby limiting the growth of the blood vessels and being not suitable for immature patients.
Disclosure of Invention
The present invention is directed to solve the problems encountered in the background art, and therefore, to provide a vascular anastomat for kidney transplantation surgery, in which an inner tube body made of a shape memory material is formed, a left inner tube and a right inner tube are expanded at a phase transition temperature, a middle tube is contracted at the phase transition temperature, and blood vessels on both sides are fitted.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a kidney transplantation operation is with vascular anastomat, includes the inner tube main part, the inner tube main part includes left inner tube, is equipped with rather than fixed tooth of fixed connection on the left inner tube, is equipped with rather than fixed connection's well pipe on the left inner tube, be equipped with on the well pipe with rather than fixed connection's right inner tube, be equipped with rather than fixed tooth on the right inner tube, be equipped with the fretwork net on left inner tube, well pipe and the right inner tube.
Preferably, be equipped with the back up coat on the inner tube main part surface, be equipped with the anticoagulation layer on being responsible for the main part internal surface.
Preferably, be equipped with the blood vessel on the inner tube main part and cut, the blood vessel is cut including left side and cut with the right side, and one end is equipped with the annular ring on cutting left, and one end is equipped with the shearing part on cutting left.
Preferably, the shearing part comprises a ring shear, a first shearing part is arranged on the inner wall of the ring shear, a shearing seam is arranged on the ring shear, a second shearing part fixedly connected with the right shear and matched with the shearing seam is arranged on the shearing seam, and a collecting box is arranged on the ring shear.
Preferably, be equipped with in the inner tube main part rather than matched with outer tube, the outer tube includes left outer tube and right outer tube, is equipped with rather than the solid fixed ring of fixed connection on the left outer tube, is equipped with staple and fixed orifices on the left outer tube, be equipped with on the right outer tube with left outer tube matched with staple and fixed orifices are equipped with the piece of joining in marriage a position on the outer tube.
Preferably, an outer sleeve is arranged on the outer pipe.
The invention has the beneficial effects that the left inner tube and the right inner tube are expanded at the phase transition temperature through the inner tube main body made of the memory deformation degradable material, the volume of the middle tube is reduced at the phase transition temperature, the phase transition temperature is 28-37 ℃, the invention can cut the blood vessel through the vascular scissors, so that the incisions of the left blood vessel and the right blood vessel are flush, the anastomosis of the blood vessels is convenient, meanwhile, the cut blood vessel is collected and prevented from falling into the body through the collection box at the cutting part, the outer sleeve made of the memory deformation degradable material is shrunk at the box transition temperature, the outer sleeve wraps, shrinks and fixes the outer sleeve and forms internal and external pressure with the inner tube main body to tightly fasten the left blood vessel and the right blood vessel, meanwhile, the integral material can be degraded in the body, the fixed object is prevented from being taken out in a secondary operation, and the pain is reduced.
Drawings
FIG. 1 is a schematic view of an inner tube body of the present invention.
Figure 2 is a cross-sectional view of the inner tube body of the present invention.
FIG. 3 is a schematic view of the inner tube body wall of the present invention.
Fig. 4 is a schematic diagram of a blood vessel scissors according to an embodiment of the invention.
FIG. 5 is a schematic view of a second cutout according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of an embodiment of the present invention.
Fig. 7 is a schematic view of an embodiment of an outer sleeve of the present invention.
FIG. 8 is a schematic view of an inner tube body according to an embodiment of the present invention.
In the figure: the blood vessel cutting device comprises an inner tube body 1, a left inner tube 11, a fixed tooth 12, a middle tube 13, a right inner tube 14, a reinforcing layer 15, an anticoagulant layer 16, a blood vessel cutter 2, a left cutter 21, a right cutter 22, a cutting part 23, a ring cutter 231, a first cutting part 232, a collection box 233, a cutting slit 234, a second cutting part 235, an outer tube 3, a left outer tube 31, a fixing ring 32, a right outer tube 33, a fixing nail 34, a coordination block 36 and an outer tube 4.
Detailed Description
For a better understanding of the present invention, reference will now be made to the following examples.
The following further describes embodiments of the present invention with reference to the drawings.
Example 1
As shown in fig. 1-3, a blood vessel anastomat for kidney transplantation operation comprises an inner tube main body 1, the inner tube main body 1 comprises a left inner tube 11, a fixing tooth 12 fixedly connected with the left inner tube 11 is arranged on the left inner tube 11, a middle tube 13 fixedly connected with the left inner tube 11 is arranged on the left inner tube 11, a right inner tube 14 fixedly connected with the middle tube 13 is arranged on the middle tube 13, the fixing tooth 12 fixedly connected with the right inner tube 14 is arranged on the right inner tube 14, and hollow grids are arranged on the left inner tube 11, the middle tube 13 and the right inner tube 14; the outer surface of the inner tube main body 1 is provided with a reinforcing layer 15, and the inner surface of the main tube main body 1 is provided with an anti-coagulation layer 16.
Turning the intima of the left and right blood vessels outwards, wrapping the intima on the fixing teeth 12 on the left inner tube 11 and the right inner tube 14, making the left inner tube 11 and the right inner tube 14 from a multi-block poly (ester-urethane) material, making the phase change temperature of the poly (L-lactic acid) material at 38-50 ℃, preparing the middle tube 13 by a die forming method of a poly (L-lactic acid) material, then flushing the inner tube main body by using warm water to deform the left inner tube 11 and the right inner tube 14, expanding the left inner tube 11 and the right inner tube 14 to expand the blood vessels to fix the blood vessels, then shrinking the middle tube 13 to shrink and gather the left inner tube 11 and the right inner tube 14 and the fixed blood vessels to tightly attach the blood vessels on two sides to prevent liquid leakage.
Example two
As shown in fig. 4-8, the blood vessel scissors 2 are arranged on the inner tube main body 1, the blood vessel scissors 2 comprise a left scissors 21 and a right scissors 22, an annular finger ring is arranged at one end of the left scissors 21, and a shearing part 23 is arranged at one end of the left scissors 21.
Shearing portion 23 includes that the ring cuts 231, is equipped with first shearing portion 232 on the ring cuts 231 inner wall, is equipped with on the ring cuts 231 and cuts a seam 234, cuts to cut to be equipped with on the seam 234 with right side cut 22 fixed connection and with cut seam 234 matched with second shearing portion 235, is equipped with on the ring cuts 231 and collects box 233.
The inner tube main body 1 is provided with an outer tube 3 matched with the inner tube main body, the outer tube 3 comprises a left outer tube 31 and a right outer tube 33, the left outer tube 31 is provided with a fixing ring 32 fixedly connected with the left outer tube 31, the left outer tube 31 is provided with a fixing nail 34 and a fixing hole 35, the right outer tube 33 is provided with a fixing nail 34 and a fixing hole 35 matched with the left outer tube 31, and the outer tube 3 is provided with a positioning block 36; an outer sleeve 4 is arranged on the outer tube 3.
The outer sleeve 4 is made of the same material as the middle tube 13, the cutting part 23 is used for cutting the vascular interface to enable the two end ports of the anastomotic blood vessel to be flush, gaps are avoided, the cut blood vessel falls into the collecting box 233 and is prevented from falling into the body of a patient, then the outer sleeve 4 is sleeved on the left blood vessel or the right blood vessel, then the blood vessel wall is turned outwards after cutting, then the left outer tube 31 and the right outer tube 33 of the outer tube 3 are respectively sleeved on the left blood vessel and the right blood vessel, then the blood vessel is fixed on the fixing nails 34 of the left outer tube 31 and the right outer tube 33, then the inner tube body 1 is placed in the left blood vessel and the right blood vessel, then the left outer tube 31 and the right outer tube 33 are enabled to be placed into the fixing holes 35 of the right outer tube 33 through the positioning blocks 36, the fixing nails 34 of the right outer tube 33 are placed into the fixing holes 35 of the left outer tube 31, then the outer sleeve 4 is wrapped on the outer tube 3, then the left inner tube 11 and the right inner tube 14 of the inner tube body 1 are enabled to be expanded by warm water flushing, the warm water is removed, the middle pipe 13 and the outer sleeve 4 deform and shrink when the temperature is reduced to the body temperature, the outer sleeve 4 shrinks to tightly wrap the outer pipe 3 and form internal and external pressure with the expanded inner pipe main body, the blood vessel is tightly fastened, and the trend that the anastomotic opening is torn due to the rebound of the blood vessel and the traction and the pulling of surrounding tissues is prevented.
It should be noted that, for those skilled in the art, many changes and modifications can be made without departing from the spirit and scope of the invention, and the invention is not to be considered limited to the embodiments illustrated in the above description.

Claims (6)

1. A blood vessel anastomat for kidney transplantation operation comprises an inner tube main body (1) and is characterized in that: the inner tube main part (1) comprises a left inner tube (11), wherein fixed teeth (12) fixedly connected with the left inner tube (11) are arranged on the left inner tube (11), a middle tube (13) fixedly connected with the left inner tube (11) is arranged on the middle tube (13), a right inner tube (14) fixedly connected with the middle tube is arranged on the middle tube (13), the fixed teeth (12) fixedly connected with the right inner tube (14) are arranged on the right inner tube (14), and hollow grids are arranged on the left inner tube (11), the middle tube (13) and the right inner tube (14).
2. The vascular anastomat for kidney transplantation surgery according to claim 1, wherein: the inner tube is characterized in that a reinforcing layer (15) is arranged on the outer surface of the inner tube main body (1), and an anti-coagulation layer (16) is arranged on the inner surface of the main tube main body (1).
3. The vascular anastomat for kidney transplantation surgery according to claim 2, wherein: be equipped with blood vessel on inner tube main part (1) and cut (2), blood vessel is cut (2) and is cut (22) including left side (21) and the right side, and left side is cut (21) and is gone up one end and is equipped with the annular ring, and left side is cut (21) and is gone up one end and be equipped with shearing portion (23).
4. The vascular anastomat for kidney transplantation surgery according to claim 3, wherein: shearing portion (23) are including ring scissors (231), are equipped with first shearing portion (232) on ring scissors (231) inner wall, are equipped with on ring scissors (231) and cut a seam (234), cut be equipped with on seam (234) with right side scissors (22) fixed connection and with cut seam (234) matched with second shearing portion (235), ring scissors (231) are equipped with and collect box (233).
5. The vascular anastomat for kidney transplantation surgery according to claim 4, wherein: be equipped with on inner tube main part (1) rather than matched with outer tube (3), outer tube (3) are equipped with rather than fixed ring (32) of fixed connection on left outer tube (31) including left outer tube (31) and right outer tube (33), be equipped with on left outer tube (31) staple (34) and fixed orifices (35), be equipped with on right outer tube (33) with left outer tube (31) matched with staple (34) and fixed orifices (35), be equipped with on outer tube (3) and join in marriage a position piece (36).
6. The vascular anastomat for kidney transplantation surgery according to claim 5, wherein: an outer sleeve (4) is arranged on the outer tube (3).
CN202110773094.6A 2021-07-08 2021-07-08 Vascular anastomat for kidney transplantation operation Active CN113558696B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110773094.6A CN113558696B (en) 2021-07-08 2021-07-08 Vascular anastomat for kidney transplantation operation

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Application Number Priority Date Filing Date Title
CN202110773094.6A CN113558696B (en) 2021-07-08 2021-07-08 Vascular anastomat for kidney transplantation operation

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CN113558696B CN113558696B (en) 2023-05-16

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Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85106639A (en) * 1985-09-03 1987-03-25 第三军医大学野战外科研究所 blood vessel anastomat
US5755778A (en) * 1996-10-16 1998-05-26 Nitinol Medical Technologies, Inc. Anastomosis device
JP2011110262A (en) * 2009-11-27 2011-06-09 Kawasumi Lab Inc Tubular tissue anastomotic instrument
CN103709386A (en) * 2012-10-09 2014-04-09 上海微创医疗器械（集团）有限公司 Modified polylactic acid degradable stent and preparation method thereof
CN106333767A (en) * 2016-10-10 2017-01-18 戚悠飞 Bracket type vascular anastomosis device
US20170128072A1 (en) * 2014-06-13 2017-05-11 The Regents Of The University Of California Sutureless anastomosis device
CN107088079A (en) * 2017-05-27 2017-08-25 上海长海医院 Biodegradable vascular anastomosis ring/wheel and its Special surgical instrument
CN107874801A (en) * 2017-11-01 2018-04-06 杨良慧 Blood vessel anastomat
WO2018194526A1 (en) * 2017-04-19 2018-10-25 Tueysuez Mehmet Erin A scissors having pouch-like container used at aortic valve surgery
CN209220430U (en) * 2018-08-21 2019-08-09 遵义医学院附属医院 Microvascular end-to-side anastomosis Special scissors
WO2019231128A1 (en) * 2018-05-31 2019-12-05 주식회사 퓨처바이오웍스 Vascular anastomosis device comprising biodegradable shape memory polymer film and stent
CN110811728A (en) * 2019-12-11 2020-02-21 西安交通大学医学院第一附属医院 Two-end clamping type blood vessel anastomosis device
CN211187402U (en) * 2019-09-20 2020-08-07 遂宁市中心医院 Blood vessel connecting device
CN111904517A (en) * 2020-09-25 2020-11-10 陈情忠 Blood vessel anastomat
CN112155625A (en) * 2020-08-31 2021-01-01 广东工业大学 Medicine-carrying degradable blood vessel anastomat
CN112998795A (en) * 2021-04-22 2021-06-22 河北新泉医疗科技有限公司 Degradable micro-blood vessel anastomat

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85106639A (en) * 1985-09-03 1987-03-25 第三军医大学野战外科研究所 blood vessel anastomat
US5755778A (en) * 1996-10-16 1998-05-26 Nitinol Medical Technologies, Inc. Anastomosis device
JP2011110262A (en) * 2009-11-27 2011-06-09 Kawasumi Lab Inc Tubular tissue anastomotic instrument
CN103709386A (en) * 2012-10-09 2014-04-09 上海微创医疗器械（集团）有限公司 Modified polylactic acid degradable stent and preparation method thereof
US20170128072A1 (en) * 2014-06-13 2017-05-11 The Regents Of The University Of California Sutureless anastomosis device
CN106333767A (en) * 2016-10-10 2017-01-18 戚悠飞 Bracket type vascular anastomosis device
WO2018194526A1 (en) * 2017-04-19 2018-10-25 Tueysuez Mehmet Erin A scissors having pouch-like container used at aortic valve surgery
CN107088079A (en) * 2017-05-27 2017-08-25 上海长海医院 Biodegradable vascular anastomosis ring/wheel and its Special surgical instrument
CN107874801A (en) * 2017-11-01 2018-04-06 杨良慧 Blood vessel anastomat
WO2019231128A1 (en) * 2018-05-31 2019-12-05 주식회사 퓨처바이오웍스 Vascular anastomosis device comprising biodegradable shape memory polymer film and stent
CN209220430U (en) * 2018-08-21 2019-08-09 遵义医学院附属医院 Microvascular end-to-side anastomosis Special scissors
CN211187402U (en) * 2019-09-20 2020-08-07 遂宁市中心医院 Blood vessel connecting device
CN110811728A (en) * 2019-12-11 2020-02-21 西安交通大学医学院第一附属医院 Two-end clamping type blood vessel anastomosis device
CN112155625A (en) * 2020-08-31 2021-01-01 广东工业大学 Medicine-carrying degradable blood vessel anastomat
CN111904517A (en) * 2020-09-25 2020-11-10 陈情忠 Blood vessel anastomat
CN112998795A (en) * 2021-04-22 2021-06-22 河北新泉医疗科技有限公司 Degradable micro-blood vessel anastomat

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