CN112156327A - Artery sheath with adjusting and fixing functions - Google Patents

Artery sheath with adjusting and fixing functions Download PDF

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Publication number
CN112156327A
CN112156327A CN202010985024.2A CN202010985024A CN112156327A CN 112156327 A CN112156327 A CN 112156327A CN 202010985024 A CN202010985024 A CN 202010985024A CN 112156327 A CN112156327 A CN 112156327A
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China
Prior art keywords
sheath
artery
arterial
fixing
bandage
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Pending
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CN202010985024.2A
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Chinese (zh)
Inventor
薛志红
邓涛
张瑞芳
陈勇
薛宇
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Hefei Shenghong Medical Instrument Co ltd
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Hefei Shenghong Medical Instrument Co ltd
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Priority to CN202010985024.2A priority Critical patent/CN112156327A/en
Publication of CN112156327A publication Critical patent/CN112156327A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B2017/12004Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0206Holding devices, e.g. on the body where the catheter is secured by using devices worn by the patient, e.g. belts or harnesses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0213Holding devices, e.g. on the body where the catheter is attached by means specifically adapted to a part of the human body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/02Holding devices, e.g. on the body
    • A61M2025/0253Holding devices, e.g. on the body where the catheter is attached by straps, bands or the like secured by adhesives

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Pulmonology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Reproductive Health (AREA)
  • Vascular Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to the technical field of medical instruments, and particularly discloses an arterial sheath with a regulating and fixing function, which comprises an arterial sheath seat, an arterial sheath tube, a hemostatic valve, a side tube and a three-way valve; the rear end of the outer circle surface of the artery sheath seat is symmetrically provided with two convex blocks, each convex block is provided with a limiting jack, an artery sheath fixing body is arranged below the artery sheath seat, the upper surface of the artery sheath fixing body is provided with an arc-shaped groove, the artery sheath fixing bodies on two sides of the arc-shaped groove are connected with elastic strips, the top ends of the elastic strips are connected with trapezoidal limiting inserting blocks, and two side surfaces of the artery sheath fixing body are respectively connected with a first wide body bandage and a second wide body bandage; the invention effectively solves the problems that the existing adhesive tape is not firmly adhered and is easy to roll up or is adhered with the inner surface of the bedding and clothing, and the indwelling arterial sheath falls off or moves from the puncture position; meanwhile, the defect that the follow-up interventional instrument cannot be smoothly fed into the artery target along the inner wall of the artery sheath due to the bending of the artery sheath is effectively overcome.

Description

Artery sheath with adjusting and fixing functions
Technical Field
The invention relates to the technical field of medical instruments, and particularly discloses an arterial sheath with a regulating and fixing function.
Background
In medicine, an arterial sheath is a medical apparatus which is placed in an artery to provide a passage for other intravascular treatment materials, and belongs to intervention consumables. The artery sheath is generally composed of an artery sheath tube, an expansion tube, a puncture needle and a guide wire, the puncture needle and the skin are firstly punctured into the artery of a human body at an included angle of about 30 degrees in the operation process, when the puncture needle is punctured into the front wall of a blood vessel, a blood return groove on the puncture needle shows successful puncture after blood return, then a needle core is pulled out to be inserted into the guide wire, and the artery sheath tube is sent to a target point position along the guide wire. The sheath tube is required to be left for a period of time after the arterial puncture for subsequent operation, and the sheath tube is easy to twist and fall off due to incomplete braking, friction and misoperation of a patient in the indwelling process, so that adverse effects such as bleeding of a puncture part, pseudo aneurysm, thrombosis and the like are caused. Therefore, it is necessary to fix the arterial sheath during the arterial sheath indwelling procedure, and generally, the arterial sheath to be indwelling is fixed by means of an adhesive tape or the like.
For example, the utility model with the patent number of CN209933756U discloses a fixable artery sheath tube, which comprises a sheath tube seat, a three-way tube, a side tube, an artery sheath tube, a medical double-sided adhesive tape, a medical adhesive tape and a rubber sleeve. The sheath tube seat is fixedly provided with a medical adhesive tape by sticking, and the medical double-faced adhesive tape is adhered with the medical adhesive tape. The three-way pipe is connected with the side pipe through a thread screw and is fixedly sleeved on the rubber sleeve. The sheath tube seat is fixedly provided with a medical adhesive tape by adhesion, and the medical double-faced adhesive tape is adhered with the medical adhesive tape, so that the artery sheath tube can be prevented from easily swinging during artery intubation. Another example is the invention of patent No. CN103784185B, which discloses a femoral artery puncture sheath with a fixing device, comprising a puncture sheath base, a sheath tube, a fixing device, a side tube and a tee connected to the side tube, wherein the fixing device comprises a basement membrane and fixing bands obliquely arranged at two sides of the puncture sheath base, and the center of the basement membrane is fixedly connected with the puncture sheath base. The middle layer is a glue layer capable of being adhered to skin, the upper layer and the lower layer of the base film are protective films, the fixing bands on two sides of the base of the puncture sheath are arranged in parallel, the upper layer of each fixing band is a protective film, and the lower layer of each fixing band is a glue layer. Both of the above-mentioned two arterial sheaths are attached to the skin with an adhesive tape to prevent the arterial sheaths from loosening when indwelling, but the method of fixing with an adhesive tape has the following disadvantages. Firstly, the periphery of a pad pasting for fixing the sheath tube is easy to roll up or stick to the inner surface of the bedding and clothing, when the bedding and clothing is lifted, the pad pasting is taken up and sticks to the sheath tube, so that the sheath tube is separated, and the femoral artery bleeding phenomenon occurs; secondly, because the puncture needle and the skin are generally inserted at an angle of 30 degrees in the puncture process, the artery sheath is arranged to be linear, so that a subsequent device (such as a catheter) can be conveniently inserted into the artery, when the artery sheath is fixedly attached by using an adhesive tape, the artery sheath is flatly laid and pressed on the surface of the skin, and the artery sheath is bent at the position where the artery sheath enters the human body, and the introduction difficulty of the device is increased due to the bent position when the subsequent device is inserted into the human body along the artery sheath, and even when the artery sheath is bent, the subsequent device cannot be inserted along the inner wall of the artery sheath. Therefore, in view of the above-mentioned shortcomings of the existing fixable arterial sheath, it is a technical problem to be solved to design an arterial sheath which can solve the above-mentioned two problems at the same time.
Disclosure of Invention
The invention aims to solve the problems in the background technology, and aims to solve the problems easily caused by the fact that an adhesive tape is used for adhering and fixing the arterial sheath in the process of puncture and post-retention of the arterial sheath.
The invention is realized by the following technical scheme:
an artery sheath with adjusting and fixing functions comprises an artery sheath seat, an artery sheath tube, a hemostasis valve, a side tube and a three-way valve, wherein one end of the artery sheath tube is connected with the front end of the artery sheath seat, the side tube is connected with the side surface of the artery sheath seat, the three-way valve is connected with the end part of the side tube, and the hemostasis valve is arranged at the rear end of an inner cavity of the artery sheath seat. The two side surfaces of the artery sheath fixing body are respectively connected with a first wide body bandage and a second wide body bandage, the end part of the first wide body bandage is connected with at least two first bandages, the first bandages are uniformly arranged along the broadband direction of the first wide body bandage, the second wide body bandage is connected with a second bandage corresponding to each first bandage, and the end part of each second bandage is connected with a lock head;
the arterial sheath fixing body is characterized in that a containing groove is formed in the lower surface of the arterial sheath fixing body at the rear end of the arterial sheath seat, an elastic air bag is arranged in the containing groove, an inflation tube communicated with the elastic air bag is connected to the rear side face of the arterial sheath fixing body, a one-way valve is arranged on the inflation tube on the outer side of the arterial sheath fixing body, a catheter connector is arranged at the outer end of the inflation tube, a hose is connected to the catheter connector, and an inflating soft ball is connected to the end portion of the hose.
In the successful puncture and retention process of the arterial sheath disclosed by the invention, medical personnel can place the arterial sheath fixing body below the arterial sheath seat, align the lower circumferential surface of the arterial sheath seat with the arc-shaped groove, hold the arterial sheath fixedly by hand, and move the arterial sheath fixing body towards the arterial sheath seat, so that the trapezoidal limiting insertion block at the upper end of the elastic strip passes through the limiting insertion hole, the elastic strip is bent at a certain angle in the insertion process, and the elastic strip is restored to be vertical under the action of the elasticity of the elastic strip when the trapezoidal limiting insertion block completely passes through the limiting insertion hole, thereby forming dislocation between the trapezoidal limiting block and the limiting insertion hole, and realizing the fixation of the arterial sheath fixing body and the arterial sheath seat.
Then the medical staff winds the first wide bandage and the second wide bandage on the arm or thigh, and then connects and binds the first bandage and the second bandage which are close to one side of the arterial sheath; subsequently, with hose and the pipe joint sealing connection of inflation pipe end portion, press again and aerify the flexible ball and aerify the elasticity gasbag of accomodating in the groove, the elasticity gasbag inflates after aerifing to receive the restriction of accomodating the cell wall and can only expand downwards at the inflation in-process, until when the gasbag that expands greatly contacts with the human body, connect other first ribbon and second ribbon again at last and fix, thereby realize the fixed to artery sheath seat. Because the rear end of the artery sheath fixing body is under the action of the expanded air bag, the artery sheath fixing body is inclined when bound on a human body and keeps consistent with the angle in the puncture process, so that the artery sheath after binding is still in a straight line shape and cannot be bent, and instruments cannot be smoothly inserted into the artery sheath in the subsequent instrument insertion treatment process.
As a further arrangement of the scheme, the hemostasis valve is a circular rubber body attached to the inner wall of the arterial sheath seat, and a cross-shaped cut is cut on the circular rubber body.
As a further arrangement of the above scheme, two limiting insertion holes are formed in each of the protruding blocks, and the two limiting insertion holes are distributed along the axis direction of the arterial sheath seat, and two elastic strips connected to each side of the upper surface of the arterial sheath fixing body are also arranged and aligned with the corresponding limiting insertion holes respectively.
As a further arrangement of the above solution, the artery sheath fixing body is made of soft rubber material, and the elastic strip is made of plastic material with elasticity.
As a further arrangement of the above aspect, the first wide body bandage and the second wide body bandage are also made of soft rubber material, and the widths of the first wide body bandage and the second wide body bandage are the same and are not less than 15 mm.
As a further arrangement of the scheme, the number of the ribbons connected to the first wide body binding band is 2-3.
As a further arrangement of the above scheme, an internal thread is provided inside the pipe joint, an external thread matched with the internal thread is provided at the end of the joint of the hose and the pipe joint, and the internal thread and the external thread are both NPT sealing tapered threads.
As a further arrangement of the above scheme, the inflatable soft ball is made of a silica gel material.
Compared with the prior art, the invention has the beneficial effects that:
1) the invention discloses an arterial sheath, wherein a convex block is connected on an arterial sheath seat, a limiting insertion hole is formed in the convex block, when the arterial sheath needs to be retained and fixed after puncture is finished, an arterial sheath fixing body can be quickly connected with the arterial sheath seat in an inserting mode, and then the arterial sheath fixing body is quickly bound on an arm or a leg of a human body through a binding band and a binding belt on the arterial sheath fixing body.
2) The invention improves the problem that the artery sheath tube is bent due to different angles between the artery sheath tube and the puncture when the artery sheath tube is fixed by flatly pressing the artery sheath seat on the surface of the skin in the conventional adhesive tape bonding mode and the like, and the invention fills the air bag into the elastic air bag by arranging the accommodating groove on the lower surface of the rear end of the artery sheath fixing body, injects air into the elastic air bag through the external air-filled soft ball in the specific fixing process to expand the air bag, and carries out subsequent binding after the artery sheath fixing body inclines until the inclination angle is the same as the inclination angle during the puncture when the air bag expands, and the angle between the artery sheath seat and the artery sheath tube after binding and fixing is the same as the angle during the puncture, thereby effectively solving the defect that the subsequent instrument cannot be smoothly fed into the artery target along the inner wall of the sheath tube due to the bending of the artery sheath tube, the whole structure is ingenious in arrangement, the use process is also convenient, and the practicability is stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a first angle perspective view of an arterial sheath seat, an arterial sheath, a lateral duct, etc. according to the present invention;
FIG. 3 is a second perspective view of the arterial sheath seat, arterial sheath, lateral duct, etc. of the present invention;
FIG. 4 is a perspective view of the artery sheath fixing body, the binding band, the inflatable balloon and the like in example 2 of the present invention;
fig. 5 is an enlarged structural view at a in fig. 4.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", and,
The terms "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like, refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 5, in conjunction with the embodiments.
Example 1
This embodiment 1 describes an artery sheath with a fixing function, and referring to fig. 1, fig. 2 and fig. 3, the main structure thereof includes an artery sheath seat 1, an artery sheath 2, a hemostatic valve 3, a side tube 4 and a three-way valve 5. Wherein, the one end of artery sheath pipe 2 is connected with the front end of artery sheath seat 1, side pipe 4 is connected with the side of artery sheath seat 2, and be connected three-way valve 5 with the tip of side pipe 4, its hemostasis valve 3 sets up the rear end at artery sheath seat 2 inner chambers, this hemostasis valve 3 is for the circular rubber body of laminating mutually with artery sheath seat 1 inner wall, the cutting has cross incision 301 on the circular rubber body, thereby can realize the insertion of interveneeing the apparatus, simultaneously and realize certain sealed hemostasis function.
Above-mentioned setting up of artery sheath is conventional setting mode, and this embodiment is kept somewhere fixedly after its puncture and is improved, and this embodiment is symmetrical at the excircle face rear end of artery sheath seat 1 and is provided with two lugs 6, has all seted up spacing jack 601 on every lug 6, has all seted up two spacing jacks 601 on every lug 6 during specifically setting to two spacing jacks 601 distribute the setting along the axis direction of artery sheath seat 1.
Be provided with artery sheath fixed body 7 in the below that is located artery sheath seat 1, artery sheath fixed body 7's upper surface is seted up with artery sheath seat 1 matched with arc recess 701, be located all to be connected with vertical ascending elasticity strip 8 on the artery sheath fixed body 7 of arc recess 701 both sides, and specifically set up to be that the elasticity strip 8 of each side of arc recess 701 all is provided with two, and align the setting with the spacing jack 601 that corresponds, and be connected with trapezoidal spacing inserted block 9 on the top of elasticity strip 8, thereby it takes place to remove the dislocation with spacing jack 601 after passing spacing jack 601 to its trapezoidal spacing inserted block 9 plays the fixed action. When the device is specifically arranged, the artery sheath fixing body 7 is made of soft rubber materials, the elastic strip 8 is made of elastic plastic materials, and the connection mode of the two can be realized through methods such as bonding, clamping and the like, which are not described in detail herein.
The two side surfaces of the artery sheath fixing body 7 are respectively connected with a first wide body bandage 10 and a second wide body bandage 11, in particular, the first wide body bandage 10 and the second wide body bandage 11 are made of soft rubber materials in order to consider the comfort of a human body during fixing, and the widths of the first wide body bandage 10 and the second wide body bandage 11 are the same and are not less than 15mm at the same time. The end part of the first wide body binding band 10 is connected with at least two first binding bands 12, the number of the first binding bands 12 in the embodiment is 2-3, and the first binding bands 12 are uniformly arranged along the wide band direction of the first wide body binding band 10; meanwhile, a second bandage 13 corresponding to each first bandage 12 is connected to the second wide bandage 11, a lock head 14 is connected to the end of each second bandage 13, and the first bandage 12 can pass through the lock head 14 to realize the fixed connection of the two bandages.
Example 2
Embodiment 2 is a further improvement on embodiment 1, and mainly addresses the deficiency that the arterial sheath is easily bent when the conventional adhesive tape is attached and fixed and the binding band or the bandage is fixed to the arterial sheath seat 1 in embodiment 1.
First, the embodiment 2 is the same as the embodiment 1, and will not be described again, except that referring to fig. 4 and 5, the embodiment 2 further has a storage groove 702 formed on the lower surface of the arterial sheath fixing body 7 at the rear end of the arterial sheath seat 1, the storage groove 702 is provided with an elastic airbag 15, and the elastic airbag 15 is stored in the storage groove 702 in a deflated state when the elastic airbag 15 is not inflated. The rear side surface of the artery sheath fixing body 7 is connected with an inflation tube 16 communicated with the elastic air bag 15, the inflation tube 16 positioned outside the artery sheath fixing body 7 is provided with a one-way valve 17, the outer end part of the inflation tube 17 is provided with a conduit joint 18, the conduit joint 18 is detachably connected with a hose 19, the end part of the hose 19 is connected with an inflatable soft ball 20, and the inflatable soft ball 20 is made of silica gel materials.
In addition, when the pipe joint 18 and the end of the hose 19 are detachably and hermetically connected, an internal thread (not shown) may be formed inside the pipe joint 18, an external thread 191 matching the internal thread may be formed at the end of the hose 19 connected to the pipe joint 18, and both the internal thread and the external thread are NPT sealing tapered threads. The hose 19 and the pipe joint 18 can be connected by a detachable sealing connection quickly.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An artery sheath with adjusting and fixing functions comprises an artery sheath seat, an artery sheath tube, a hemostasis valve, a side tube and a three-way valve, wherein one end of the artery sheath tube is connected with the front end of the artery sheath seat, the side tube is connected with the side surface of the artery sheath seat, the three-way valve is connected with the end part of the side tube, and the hemostasis valve is arranged at the rear end of an inner cavity of the artery sheath seat. The two side surfaces of the artery sheath fixing body are respectively connected with a first wide body bandage and a second wide body bandage, the end part of the first wide body bandage is connected with at least two first bandages, the first bandages are uniformly arranged along the broadband direction of the first wide body bandage, the second wide body bandage is connected with a second bandage corresponding to each first bandage, and the end part of each second bandage is connected with a lock head;
the arterial sheath fixing body is characterized in that a containing groove is formed in the lower surface of the arterial sheath fixing body at the rear end of the arterial sheath seat, an elastic air bag is arranged in the containing groove, an inflation tube communicated with the elastic air bag is connected to the rear side face of the arterial sheath fixing body, a one-way valve is arranged on the inflation tube on the outer side of the arterial sheath fixing body, a catheter connector is arranged at the outer end of the inflation tube, a hose is connected to the catheter connector, and an inflating soft ball is connected to the end portion of the hose.
2. The arterial sheath with the function of adjusting and fixing according to claim 1, characterized in that said hemostatic valve is a circular rubber body attached to the inner wall of the arterial sheath seat, said circular rubber body having a cross cut.
3. The artery sheath with the function of adjusting and fixing according to claim 1, wherein there are two limiting insertion holes formed on each of the protrusions and distributed along the axial direction of the artery sheath seat, and there are two elastic strips connected to each side of the upper surface of the artery sheath fixing body and aligned with the corresponding limiting insertion holes respectively.
4. The arterial sheath with the function of adjusting the anchoring according to claim 1, characterized in that said arterial sheath anchoring body is made of soft rubber material and said elastic strip is made of plastic material with elasticity.
5. The artery sheath with the function of adjusting and fixing according to claim 4, characterized in that said first and second wide body bands are also made of soft rubber material and the width of the first and second wide body bands is the same and not lower than 15 mm.
6. The artery sheath with the function of adjusting and fixing according to claim 1, characterized in that 2-3 bands are connected to the first wide-body band.
7. The artery sheath with the function of adjusting and fixing according to claim 1, wherein the catheter connector is internally provided with an internal thread, the end of the hose connected with the catheter connector is provided with an external thread matched with the internal thread, and the internal thread and the external thread are both NPT sealing conical threads.
8. The arterial sheath with adjustable anchoring function according to claim 1, characterized in that said inflatable soft balloon is made of silicone material.
CN202010985024.2A 2020-09-18 2020-09-18 Artery sheath with adjusting and fixing functions Pending CN112156327A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113877056A (en) * 2021-09-29 2022-01-04 复旦大学附属中山医院 Radial artery access hepatic artery perfusion chemotherapy external catheter collector
CN116020039A (en) * 2023-02-28 2023-04-28 河北康誉医疗器械有限公司 Preassembled catheter sheath group
CN116585067A (en) * 2023-07-18 2023-08-15 江苏美凤力医疗科技有限公司 Vascular sheath for preventing blood flow from blocking
CN117137574A (en) * 2023-08-25 2023-12-01 广州医科大学附属第一医院(广州呼吸中心) Initiative bendable guiding sheath tube

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