CN111671557B - Elastic net-shaped support - Google Patents

Elastic net-shaped support Download PDF

Info

Publication number
CN111671557B
CN111671557B CN202010608237.3A CN202010608237A CN111671557B CN 111671557 B CN111671557 B CN 111671557B CN 202010608237 A CN202010608237 A CN 202010608237A CN 111671557 B CN111671557 B CN 111671557B
Authority
CN
China
Prior art keywords
clamping
elastic net
clamping rod
blood vessel
net rack
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.)
Active
Application number
CN202010608237.3A
Other languages
Chinese (zh)
Other versions
CN111671557A (en
Inventor
钱富林
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010608237.3A priority Critical patent/CN111671557B/en
Publication of CN111671557A publication Critical patent/CN111671557A/en
Application granted granted Critical
Publication of CN111671557B publication Critical patent/CN111671557B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/86Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
    • A61F2/90Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/95Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2002/9528Instruments specially adapted for placement or removal of stents or stent-grafts for retrieval of stents

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (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)
  • Media Introduction/Drainage Providing Device (AREA)
  • Prostheses (AREA)

Abstract

The invention discloses an elastic net-shaped support which comprises an elastic net rack and a clamp holder, wherein the elastic net rack is left in a blood vessel and used for supporting the blood vessel, the elastic net rack is of a cylindrical structure made of an elastic metal net, a clamping ring is arranged on the side wall of the elastic net rack, the clamp holder is used for clamping the clamping ring to send the elastic net rack into the blood vessel or take the elastic net rack out of the blood vessel, the clamp holder comprises a first clamping rod and a second clamping rod, the first clamping rod and the second clamping rod are rotatably connected through a first rotating shaft, the first clamping rod and the second clamping rod are respectively composed of a plurality of movable joints, adjacent movable joints are rotatably connected through a second rotating shaft, the second rotating shaft is mutually vertical to the first rotating shaft, and the first clamping rod and the second clamping rod are respectively clamped with the clamping ring. The invention provides an elastic net-shaped bracket, which utilizes a clamp holder to clamp an elastic net frame into a blood vessel or clamp the elastic net frame out of the blood vessel.

Description

Elastic net-shaped support
Technical Field
The invention relates to the technical field of intravascular stents, in particular to an elastic reticular stent.
Background
The elastic mesh stent is a stent for supporting coronary arteries, is a medical instrument commonly used in cardiac intervention operations, and has the function of dredging arterial vessels. In the prior art, after the stent is delivered to the corresponding position of a blood vessel, the balloon is expanded to prop the stent open and support the blood vessel, so the existing stent basically has no elasticity and can not be contracted when the blood vessel is normally contracted, and the delivery device does not have a mechanism capable of reducing the stent because the stent is not expanded and is attached to the blood vessel when the blood vessel is placed in, and the stent can not be taken out after being reduced.
Disclosure of Invention
In view of the above-mentioned prior art, the present invention is directed to providing an elastic mesh stent in which an elastic mesh frame is clamped into or out of a blood vessel by a holder.
The technical scheme of the invention is realized as follows:
elasticity net rack, including elasticity rack and holder, the elasticity rack is stayed in the blood vessel and is used for supporting the blood vessel, the cylindricality structure that the elasticity rack was made for elastic metal net, the lateral wall of elasticity rack is equipped with the snap ring, the holder is used for cliping the snap ring will the elasticity rack is sent into in the blood vessel or is taken out intravascular, the holder includes first supporting rod and second supporting rod, first supporting rod and second supporting rod rotate through first pivot and connect, first supporting rod and second supporting rod constitute by a plurality of movable joint, and adjacent movable joint passes through second pivot rotation and connects, second pivot and first pivot mutually perpendicular, first supporting rod and second supporting rod respectively with the snap ring joint.
Furthermore, the elastic net rack is an elastic net rack formed by curling an elastic net piece into a C shape or a spiral shape.
Furthermore, the first end of the elastic net piece is located on the inner side, the second end of the elastic net piece is located on the outer side, an L-shaped guide clamp is arranged on the side face of the second end of the elastic net piece, and the first end of the elastic net piece slides along the L-shaped guide clamp.
Furthermore, the snap ring is arranged in the middle of the elastic net piece, the snap ring is in a strip shape, and the two ends of the snap ring are provided with the clamping hooks.
Further, activity festival one end is equipped with the arch, and the other end is equipped with the recess, the protruding and adjacent activity festival's of activity festival recess cooperation, the arch is equipped with the shaft hole, the second pivot passes the shaft hole, the both ends of second pivot and the inboard fixed connection of recess of activity festival.
Furthermore, the head end of the first clamping rod and the head end of the second clamping rod are provided with bearing seats, the first rotating shaft is rotatably connected with the bearing seats, and the tail ends of the first clamping rod and the second clamping rod are provided with clamping needles for clamping the elastic net rack.
Furthermore, the surface of the clip is provided with an anti-skid structure.
Furthermore, a chamfer is arranged on the side surface of the movable joint.
Furthermore, the two sides of the first clamping rod are provided with clamping pieces, the two sides of the second clamping rod are provided with limiting grooves, and the clamping pieces are provided with limiting bulges matched with the limiting grooves.
The invention has the beneficial effects that: the elastic net rack has elasticity, and is placed in the blood vessel, and under the elastic action of the elastic net rack, the elastic net rack provides continuous stable tension for the blood vessel to promote the blood vessel to be stretched. The holder includes first supporting rod and second supporting rod, the head end of first supporting rod and the head end of second supporting rod rotate through first pivot to be connected, press the centre gripping and can be close to the end of supporting rod each other to clip the elasticity rack, the inner wall of elasticity rack is equipped with the snap ring, first supporting rod, second supporting rod respectively with the snap ring joint, first supporting rod when stretching into the blood vessel with the elasticity rack, the tight snap ring of second supporting rod clamp respectively, elasticity net diameter reduces under the effect of clamping force, be convenient for put into the blood vessel with the elasticity rack. After the stent is placed in the blood vessel, the holder is loosened, the elastic net rack is propped open under the action of the elastic force, and the elastic net rack is fixed in the blood vessel to provide continuous stable elastic force for the blood vessel and promote the blood vessel expansion. Because the elastic net frame has elasticity, when the blood vessel is normally contracted, the elastic net frame can be extruded and reduced, and the blood vessel filled into the elastic net frame still has the contraction capability. First supporting rod and second supporting rod constitute by a plurality of movable section, and adjacent movable section passes through second pivot looks rotation connection for the movable section can rotate relatively in a plane, second pivot and first pivot looks mutually perpendicular, makes movable section pivoted plane and first supporting rod or second supporting rod pivoted plane perpendicular, and first supporting rod or second supporting rod atress direction are perpendicular with the plane that the movable section rotated the place when pressing from both sides tight elasticity rack, and the clamping-force that first supporting rod and second supporting rod received does not make the movable section rotate, makes first supporting rod be in soft state in a plane, is in hard state in another plane.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a holder according to the present invention;
FIG. 2 is a schematic perspective view of the elastic net rack of the present invention;
FIG. 3 is a right side view of the elastic net rack of the present invention;
FIG. 4 is a schematic cross-sectional view of the holder of the present invention;
FIG. 5 is a cross-sectional view of the elastic mesh stent of the present invention;
in the figure, 1 elastic net rack, 2 holders, 3 snap rings, 4 first clamping rods, 5 second clamping rods, 6 first rotating shafts, 7 movable joints, 8 second rotating shafts, 9 first ends, 10 second ends, 11L-shaped guide clamps, 12 clamping pieces, 13 clamping hooks, 14 protrusions, 15 grooves, 16 bearing seats, 17 clamping needles, 18 chamfers, 19 limiting grooves and 20 limiting convex blocks.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 4, the elastic net-shaped stent comprises an elastic net rack 1 and a holder 2, wherein the elastic net rack 1 is left in a blood vessel for supporting the blood vessel, the elastic net rack 1 is a cylindrical structure made of elastic metal net, the side wall of the elastic net rack 1 is provided with a snap ring 3, the holder 2 is used for clamping the snap ring 3 to send the elastic net rack 1 into a blood vessel or take out the elastic net rack from the blood vessel, the gripper 2 comprises a first gripping rod 4 and a second gripping rod 5, the first gripping rod 4 and the second gripping rod 5 are rotatably connected through a first rotating shaft 6, the first clamping rod 4 and the second clamping rod 5 are both composed of a plurality of movable joints 7, the adjacent movable joints 7 are mutually and rotatably connected through a second rotating shaft 8, the second rotating shaft 8 is perpendicular to the first rotating shaft 6, and the first clamping rod 4 and the second clamping rod 5 are connected with the clamping ring 3 in a clamped mode respectively.
The elastic net rack 1 has elasticity, the elastic net rack 1 is placed in the blood vessel, and under the elastic force action of the elastic net rack 1, the elastic net rack 1 provides continuous stable tension for the blood vessel to promote the blood vessel to be stretched. The holder 2 comprises a first clamping rod 4 and a second clamping rod 5, the head end of the first clamping rod 4 and the head end of the second clamping rod 5 are rotatably connected through a first rotating shaft 6, the tail ends of the two clamping rods can be mutually close by pressing the two clamping rods, so that the elastic net rack 1 is clamped, the inner wall of the elastic net rack 1 is provided with a snap ring 3, the first clamping rod 4 and the second clamping rod 5 are respectively connected with the snap ring 3 in a clamped mode, the first clamping rod 4 and the second clamping rod 5 respectively clamp the snap ring 3 when the elastic net rack 1 extends into a blood vessel, the diameter of the elastic net rack 1 is reduced under the action of clamping force, and the elastic net rack 1 is convenient to be placed into the blood vessel. After the stent is placed in the blood vessel, the holder 2 is loosened, the elastic net rack 1 is propped open under the action of the elastic force, and the stent is fixed in the blood vessel to provide continuous stable elastic force for the blood vessel and promote the blood vessel expansion. Because the elastic net rack 1 has elasticity, when the blood vessel is contracted normally, the elastic net rack 1 can be extruded and contracted, and the blood vessel filled in the elastic net rack 1 still has the contraction capability. First clamping rod 4 and second clamping rod 5 constitute by a plurality of movable section 7, and adjacent movable section 7 passes through 8 mutual rotations of second pivot and connects for movable section 7 can rotate relatively in a plane, second pivot 8 is perpendicular to first pivot 6 mutually for movable section 7 pivoted plane is perpendicular with first clamping rod 4 or second clamping rod 5 pivoted plane, and first clamping rod 4 or second clamping rod 5 atress direction are perpendicular with the plane that movable section 7 rotated the place when pressing from both sides tight elasticity rack 1, and the clamping-force that first clamping rod 4 and second clamping rod 5 received does not make movable section 7 rotate, makes first clamping rod 4 be in soft state in a plane, is in hard state in another plane.
Specifically, the elastic net rack 1 is an elastic net rack 1 formed by curling an elastic net sheet into a C shape or a spiral shape. After the elastic net rack 1 is stressed, the elastic net pieces are curled, one ends of the elastic net pieces are curled inwards to form the columnar elastic net rack 1, and the cross section of the elastic net rack 1 is C-shaped or spiral. After the stress, the diameter of the elastic net rack 1 is reduced, the perimeter of the cross section is reduced, and the elastic net rack is convenient to put into and take out of the blood vessel.
Specifically, the first end 9 of the elastic mesh sheet is located on the inner side, the second end 10 of the elastic mesh sheet is located on the outer side, an L-shaped guide clip 11 is arranged on the side surface of the second end 10 of the elastic mesh sheet, and the first end 9 of the elastic mesh sheet slides along the L-shaped guide clip 11. After the elastic net sheet is rolled into the cylindrical elastic net rack 1, one end of the elastic net sheet is positioned at the inner side, and the second end 10 of the elastic net sheet is positioned at the outer side. The side of the second end 10 of the elastic net sheet is provided with an L-shaped guide clamp 11, and the first end 9 of the elastic net sheet passes through the L-shaped guide clamp 11 and slides along the L-shaped guide clamp 11. The second end 10 of the elastic mesh sheet is prevented from tilting to scratch the vessel wall.
Specifically, the snap ring 3 is arranged in the middle of the elastic net piece, the snap ring 3 is in a strip shape, and the two ends of the snap ring 3 are provided with the snap hooks 13. The first clamping rod 4 and the second clamping rod 5 are inserted into the elastic net rack 1, and the clamp holder 2 is opened, so that the first clamping rod 4 and the second clamping rod 5 slide into the clamping hooks 13 at two ends of the clamping ring 3. When the clamp holder 2 is clamped, the first clamping rods 4 and the second clamping rods 5 are close to each other, and the snap ring 3 is extruded to shrink the elastic net rack 1. When the clamp holder 2 is opened, the clamp holder is clamped into the clamping hook 13 along the inner wall of the elastic net rack 1, so that the clamp holder 2 can conveniently slide into the clamping hook 13.
Specifically, activity festival 7 one end is equipped with arch 14, and the other end is equipped with recess 15, the protruding 14 of activity festival 7 and the recess 15 cooperation of adjacent activity festival 7, arch 14 is equipped with the shaft hole, second pivot 8 passes the shaft hole, the both ends of second pivot 8 and the inboard fixed connection of recess 15 of activity festival 7. The bulge 14 of one movable joint 7 is inserted into the groove 15 of the other adjacent movable joint 7, a shaft hole is formed in the bulge 14, the second rotating shaft 8 is inserted into the shaft hole, the second rotating shaft 8 is rotatably connected with the bulge 14, and two ends of the second rotating shaft 8 are fixedly connected with the inner side of the groove 15, so that the two adjacent movable joints 7 can rotate relatively in one plane.
Specifically, the head end of first supporting rod 4 with the head end of second supporting rod 5 is equipped with bearing frame 16, first pivot 6 with bearing frame 16 rotates the connection, the end of first supporting rod 4 and second supporting rod 5 is equipped with and is used for the centre gripping elasticity rack 1 presss from both sides needle 17. The first clamping rod 4 is located above the second clamping rod 5, the head end of the first clamping rod 4 is provided with a bearing seat 16, the head end of the second clamping rod 5 is also provided with the bearing seat 16, the first rotating shaft 6 is rotatably connected with the bearing seat 16, and the first clamping rod 4 is aligned with the second clamping rod 5 when the first clamping rod 4 and the second clamping rod 5 rotate to be close to each other. The end of the first clamping rod 4 is provided with a clamping needle 17, the end of the second clamping rod 5 is also provided with a clamping needle 17, the two clamping needles 17 extend into the strip-shaped sleeve to clamp the elastic net rack 1, and the elastic net rack 1 is pressed down by pressing the clamping ring 3.
Specifically, the surface of the clamp needle 17 is provided with an anti-slip structure. When taking out, the sliding is avoided, and the elastic net rack 1 is convenient to take out.
Specifically, the side surface of the movable joint 7 is provided with a chamfer 18. So that the edge of the movable joint 7 is smooth and the scratch of blood vessels is avoided.
Specifically, the two sides of the first clamping rod 4 are provided with clamping pieces 12, the two sides of the second clamping rod 5 are provided with limiting grooves 19, and the clamping pieces 12 are provided with limiting protrusions 20 matched with the limiting grooves 19. The clamping piece 12 has elasticity, and the clamping piece 12 sticiss on the spacing recess 19 of the 5 pole sides of second centre gripping, presss from both sides tight back doctor and opens the hand, and spacing arch 20 card is in spacing recess 19, fixes the relative position of first clamping rod 4 and second clamping rod 5, need not hold with the hand always.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. The elastic net-shaped support is characterized by comprising an elastic net rack and a clamp holder, wherein the elastic net rack is kept in a blood vessel and used for supporting the blood vessel, the elastic net rack is of a cylindrical structure made of an elastic metal net, the inner side wall of the elastic net rack is provided with a clamp ring, the elastic net rack is an elastic net piece which is curled into a C shape or a spiral shape, the clamp ring is arranged in the middle of the elastic net piece, the clamp ring is in a strip shape, two ends of the clamp ring are provided with a clamp hook, the clamp holder is used for clamping the elastic net rack to be sent into the blood vessel or taken out of the blood vessel, the clamp holder comprises a first clamping rod and a second clamping rod, the head end of the first clamping rod and the head end of the second clamping rod are rotatably connected through a first rotating shaft, the tail ends of the first clamping rod and the second clamping rod are provided with clamping needles for clamping the elastic net rack, and the first clamping rod and the second clamping rod are composed of a plurality of movable joints, the adjacent movable joints are rotatably connected through a second rotating shaft, the second rotating shaft is perpendicular to the first rotating shaft, and the first clamping rods and the second clamping rods are respectively connected with the clamping hooks at the two ends of the clamping ring in a clamping mode.
2. The resilient mesh stent of claim 1, wherein the first end of the resilient mesh is located on the inside and the second end is located on the outside, and wherein the second end of the resilient mesh is flanked by L-shaped guide clips along which the first end of the resilient mesh slides.
3. The elastic net-shaped bracket according to claim 1, wherein one end of the movable joint is provided with a protrusion, the other end of the movable joint is provided with a groove, the protrusion of the movable joint is matched with the groove of the adjacent movable joint, the protrusion is provided with a shaft hole, the second rotating shaft passes through the shaft hole, and the two ends of the second rotating shaft are fixedly connected with the inner side of the groove of the movable joint.
4. The resilient web frame of claim 1, wherein the head end of the first clamping bar and the head end of the second clamping bar are provided with bearing seats, and the first rotating shaft is rotatably connected to the bearing seats.
5. The resilient mesh stent of claim 1 wherein the needle gripping surface is provided with a non-slip structure.
6. The resilient web support of claim 1, wherein the movable segments are chamfered at the sides thereof.
7. The elastic net-shaped bracket as claimed in claim 1, wherein the first clamping bar is provided with clamping pieces at both sides thereof, the second clamping bar is provided with a second limiting piece, the clamping pieces and the second limiting piece are provided with limiting protrusions, and the clamping pieces and the limiting protrusions of the second limiting piece contact each other.
CN202010608237.3A 2020-06-30 2020-06-30 Elastic net-shaped support Active CN111671557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010608237.3A CN111671557B (en) 2020-06-30 2020-06-30 Elastic net-shaped support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010608237.3A CN111671557B (en) 2020-06-30 2020-06-30 Elastic net-shaped support

Publications (2)

Publication Number Publication Date
CN111671557A CN111671557A (en) 2020-09-18
CN111671557B true CN111671557B (en) 2022-08-12

Family

ID=72437432

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010608237.3A Active CN111671557B (en) 2020-06-30 2020-06-30 Elastic net-shaped support

Country Status (1)

Country Link
CN (1) CN111671557B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116616972B (en) * 2023-07-24 2023-10-24 深圳市飞梵实业有限公司 Tracheal stent shifter
CN117503220B (en) * 2024-01-02 2024-04-02 北京华脉泰科医疗器械股份有限公司 Vascular diameter-adjusting device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005003632A1 (en) * 2005-01-20 2006-08-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Catheter for the transvascular implantation of heart valve prostheses
US9155646B2 (en) * 2006-04-27 2015-10-13 Brs Holdings, Llc Composite stent with bioremovable ceramic flakes
CN104248465B (en) * 2014-09-29 2016-11-16 中南大学湘雅三医院 Compression fracture of vertabral body struts bone grafting device
DE102015100932A1 (en) * 2015-01-22 2016-07-28 Aesculap Ag Stent retractor / distractor
CN108236531B (en) * 2016-12-23 2020-08-04 上海微创医疗器械(集团)有限公司 Left ventricle isolation system, left ventricle isolation device and conveying device thereof
CN208048843U (en) * 2017-07-28 2018-11-06 有研医疗器械(北京)有限公司 A kind of holder pressure holds pincers
CN210447296U (en) * 2019-06-06 2020-05-05 镁荷津生物科技(上海)有限公司 Degradable vascular stent releasing device

Also Published As

Publication number Publication date
CN111671557A (en) 2020-09-18

Similar Documents

Publication Publication Date Title
CN111671557B (en) Elastic net-shaped support
CN113648520A (en) Spinous process balloon dilatation catheter
CN215386838U (en) Medical mouse tail shape drainage tube
CN207768678U (en) A kind of puncture bed
CN109363737B (en) Clinical wound expanding device for general surgery department
CN205215302U (en) Pair tissue presss from both sides and executes clamp
CN216416982U (en) Scalable bowl dish draining rack
CN210446169U (en) Desk
CN113288304A (en) Continuous type intracardiac branch of academic or vocational study of structure presses hemostasis device is pressed to simulation both hands
CN216040311U (en) Telescopic hanging rack
CN217311542U (en) Control system for slender object support frame and interventional surgical instrument
CN221229327U (en) Blood sampling clamp
CN213487678U (en) Novel wardrobe
CN215004614U (en) Blood sample shakes even frame
CN213129992U (en) Leg anti-shaking fixing support for surgical department
CN219126594U (en) Vascular sheath
CN215841141U (en) Spinous process balloon dilatation catheter
CN210249338U (en) Hanging piece of super-soft antibacterial flannelette fabric
CN215503927U (en) Auxiliary side body device for orthopedic spine nursing
CN214636525U (en) Multi-purpose blood sampling test tube for hematology department
CN219231130U (en) PICC pipe fixing device
CN219501078U (en) Automatic expansion drag hook in endoscopic thyroid surgery
CN215841115U (en) Blood purification pipeline fixing device
CN220735405U (en) Electrocardiogram limb clamp
CN212199720U (en) Quick folding clothes hanger

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant