CN109646789B - Safety vascular sheath device - Google Patents

Safety vascular sheath device Download PDF

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Publication number
CN109646789B
CN109646789B CN201910082716.3A CN201910082716A CN109646789B CN 109646789 B CN109646789 B CN 109646789B CN 201910082716 A CN201910082716 A CN 201910082716A CN 109646789 B CN109646789 B CN 109646789B
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Prior art keywords
vascular sheath
base
sheath
support
vascular
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CN201910082716.3A
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CN109646789A (en
Inventor
吴敏
陈真芳
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First Affiliated Hospital of Army Medical University
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First Affiliated Hospital of Army Medical University
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Priority to CN201910082716.3A priority Critical patent/CN109646789B/en
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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
    • A61M25/09Guide wires
    • 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
    • A61M25/09Guide wires
    • A61M2025/091Guide wires having a lumen for drug delivery or suction

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention relates to a safe vascular sheath device, which belongs to the technical field of puncture devices and comprises a vascular sheath and a vascular sheath stabilizing structure, wherein the vascular sheath stabilizing structure comprises a base, a support seat slidably arranged on the base and a vascular sheath fixing block arranged on the support seat in a lifting manner, the base is provided with a space capable of accommodating limbs of a person, a fixing binding belt for fixing a human body is arranged on the base, at least one support leg is arranged on the support seat, a sliding guide mechanism is arranged between the support leg and the base, a fixing hole which is matched with the diameter of the outer wall of the vascular sheath is arranged in the vascular sheath fixing block, and a vascular sheath placing groove is arranged in the fixing hole in parallel along the axial direction of the fixing hole. According to the invention, the vascular sheath is rigidly fixed through the vascular sheath stabilizing structure, so that the deformation space is obviously reduced, the risk of damage to the cone tip or puncturing the blood vessel is greatly reduced, and the safety of the interventional operation is improved.

Description

Safety vascular sheath device
Technical Field
The invention relates to the technical field of puncture devices, in particular to a safe vascular sheath device which is stable and reliable in fixation.
Background
The front end of the vascular sheath extends into the blood vessel of the human body, the rear end is left outside the human body, and a channel for communicating the inside and the outside of the human body is constructed for the guide wire and various appliances. The front end of the vascular sheath is a taper section with small front and big back, which can reduce the advancing resistance and advance under the guidance of the guide wire. The vessel sheath is internally provided with a channel with the same diameter, which is convenient for a guide wire or other appliances to pass through, so that the opening part of the taper section is a sharp opening. In general, the sharp opening does not touch the vessel wall nor damage the vessel wall, as shown in fig. 1.
But with the exception: the instrument is inserted at the rear end of the vascular sheath, the initial propelling force is applied to the axis of the instrument, namely the axial propelling force, the instrument moves forward along the blood vessel under the action of the axial propelling force, but because the blood vessel is of a roundabout bending structure, the propelling force of the instrument at the bending part can be decomposed into lateral pressure on the vascular sheath, so that the rear end of the vascular sheath is propped against the vascular wall, and because of the elastic deformation behaviors of muscles and skin tissues, the vascular wall is deformed under the action of the elastic deformation behaviors, so that the vascular sheath is deformed in the blood vessel, the front end of the vascular sheath is contacted with the vascular wall, and the blood vessel can be damaged or pierced in repeated operation, so that serious consequences are caused, as shown in fig. 2.
To solve the above problems, it is necessary to improve the structure of the existing vascular sheath, fix the structure, and make the structure small in deformation and movement under the use of propulsion force, so that the front end of the vascular sheath can not contact with the vascular wall, and further, the vascular sheath can not be damaged or pierced, thereby providing assistance for improving the safety of interventional operations.
Disclosure of Invention
Accordingly, the present invention is directed to a safe vascular sheath device for solving the problem that the prior art may damage or even puncture the blood vessel.
The invention is realized by the following technical scheme:
the utility model provides a safe type vessel sheath device, includes the vessel sheath, still includes vessel sheath stable structure, vessel sheath stable structure include the base, slidable set up in support on the base and liftable set up vessel sheath fixed block on the support, the base has the space that can hold the people's limbs, and is provided with the fixed bandage that is used for fixed human body above that, the support sets up a stabilizer blade at least, be provided with sliding guide mechanism between stabilizer blade and the base, be provided with the fixed orifices that suits with vessel sheath outer wall diameter in the vessel sheath fixed block, the fixed orifices is provided with a vessel sheath along its axial parallel and puts into the groove.
Further, the sliding guide mechanism comprises a T-shaped block arranged on the supporting leg and a T-shaped groove arranged on the base and matched with the T-shaped block.
Further, still be provided with sliding locking mechanism between stabilizer blade and the base, sliding locking mechanism is including connecting the brake block on the stabilizer blade and setting up on the base rotatable compress tightly the compact heap on the brake block, the compact heap passes through bolted connection to be fixed on the base to be provided with compression spring between compact heap and bolt head.
Further, a lifting guide mechanism is arranged between the support and the vascular sheath fixing block, the lifting guide mechanism comprises a guide groove vertically arranged on the support and a guide strip which is arranged on the vascular sheath fixing block and is in sliding fit with the guide groove, and a locking nut for fixing the guide strip is arranged on the guide groove.
Further, the blood vessel sheath fixing device also comprises a clamping piece which is detachably fixed with the fixing hole, and a blood vessel sheath placing opening is formed in the clamping piece along the axial direction of the clamping piece.
Further, the support is a cantilever beam structure with a support leg.
Alternatively, the support is an arch structure with two legs.
Further, the base is provided with an inward concave limb placing position.
The invention has the beneficial effects that:
according to the invention, the vascular sheath is fixed through the vascular sheath stabilizing structure and is rigidly fixed, so that the deformation space is obviously reduced, the risk of damage to or puncturing of the blood vessel by the cone tip is greatly reduced, and the safety of the interventional operation is improved.
Drawings
FIG. 1 is a schematic illustration of a vascular sheath in a blood vessel;
FIG. 2 is a schematic illustration of the force applied by a vascular sheath during insertion of an instrument;
FIG. 3 is a three-dimensional schematic of a first embodiment of the invention;
fig. 4 is a front view of a first embodiment of the present invention;
FIG. 5 is a top view of a first embodiment of the present invention;
FIG. 6 is a right side view of a first embodiment of the present invention;
fig. 7 is a three-dimensional schematic of a second embodiment of the invention.
Reference numerals illustrate:
1-vascular sheath; 2-a base; 3-supporting seats; 4-vascular sheath fixation block; 5-limb placement position; 6-fixing the binding band; 7-T-shaped blocks; an 8-T-shaped groove; 9-a brake pad; 10-compacting blocks; 11-bolts; 12-compressing the spring; 13-a guide groove; 14-a guide bar; 15-locking the nut; 16-fixing holes; 17-vessel sheath placement in the groove; 18-clamping pieces; 19-vascular sheath placement port.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the foregoing description of the invention, it should be noted that the azimuth or positional relationship indicated by the terms "one side", "the other side", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the invention and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "identical" and the like do not denote that the components are identical, but rather that there may be minor differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel" and does not mean that the structure must be perfectly perpendicular, but may be slightly tilted.
First embodiment:
as shown in fig. 3 to 6, the safety vascular sheath device of the present embodiment includes a vascular sheath 1, which is a prior art, and the specific structure of the present embodiment is not described in detail; in particular, the embodiment further comprises a vascular sheath stabilizing structure, the vascular sheath stabilizing structure comprises a base 2, a support 3 and a vascular sheath fixing block 4, the base is provided with a space capable of accommodating limbs (such as lower limbs, buttocks and the like) of a person, an inward concave limb placing position 5 and a fixing strap 6 are arranged on the base, the limbs of the person are limited by the limb placing position and are fixed by the fixing strap, the limbs are limited in a certain range, and the limiting level of the vascular sheath is improved, as shown in fig. 3, the support of the embodiment is an arch structure with two support legs; for space adjustment, a sliding guide mechanism is arranged between the support legs and the base, and comprises a T-shaped block 7 arranged on the support legs and a T-shaped groove 8,T type block which is arranged on the base and matched with the T-shaped block and slides along the T-shaped groove, so that the consistency of the moving direction is ensured, and the moving precision is improved; meanwhile, a sliding locking mechanism is further arranged between the support legs and the base, the sliding locking mechanism comprises a brake block 9 connected to the support legs and a compression block 10 arranged on the base and capable of rotatably compressing the brake block, the compression block is fixedly connected to the base through a bolt 11, and compression springs 12 are arranged between the compression block and the head of the bolt and between the compression block and the tail of the bolt, so that compression forces are exerted when the compression springs are pressed upwards or downwards; in addition, a lifting guide mechanism is arranged between the support and the vascular sheath fixing block, the lifting guide mechanism comprises a guide groove 13 vertically arranged on the support and a guide strip 14 which is arranged on the vascular sheath fixing block and is in sliding fit with the guide groove, and a locking nut 15 for fixing the guide strip is arranged on the guide groove; the vessel sheath fixing block is internally provided with a fixing hole 16 which is matched with the diameter of the outer wall of the vessel sheath.
After the puncture is completed, the sliding support is close to the vascular sheath, the locking nut is loosened, the support is adjusted to a proper position, the fixing hole of the needle tube sheath fixing block is sleeved on the outer wall of the vascular sheath, the locking nut is locked, the compression block is rotated to compress the brake block, and the fixation of the vascular sheath is completed.
In order to improve the attachment/detachment efficiency, a vessel sheath insertion groove 17 may be provided in the axial direction of the fixing hole, and in this case, the vessel sheath may be inserted from the radial direction.
As an improvement of this embodiment, the device further includes a clip 18, which is in a tile-shaped structure, and the outer surface of the clip is attached to the inner surface of the fixing hole, and the inner surface of the clip is attached to the outer surface of the vascular sheath, so that the clip is detachably connected, and is convenient to detach.
Also, for easy attachment and detachment, the clip is provided with a vascular sheath insertion port 19 in its axial direction through which the vascular sheath can be inserted from its radial direction.
Compared with the prior art, the embodiment has the following advantages:
1. according to the embodiment, the vascular sheath is fixed through the vascular sheath fixing block, so that the rear end of the vascular sheath is not affected by thrust and is always fixed in the middle of a blood vessel, deformation in the blood vessel is reduced, the front end of the vascular sheath cannot contact with the wall of the blood vessel, and the blood vessel cannot be damaged or pierced;
2. the vascular sheath fixing block of the embodiment is fixed on the support, the support is fixed on the base, and the base is far away from the vascular sheath puncture part and is equivalent to hard connection, so that the vascular sheath puncture part is not affected by operation, and the deformation is further reduced;
3. according to the embodiment, through sliding of the support and the base, the vascular sheath fixing block and the support are lifted, and the horizontal position and the high-low position of the vascular sheath are adjusted, so that different spatial positions are realized;
in a word, this embodiment makes the vascular sheath fixed through vascular sheath stable structure, and is rigid fixed, does not have the deformation space to showing to reduce the deformation space, its awl point damage or impale the risk of blood vessel and reduce by a wide margin, the security of intervention operation is promoted.
Second embodiment:
as shown in fig. 7, the safety vascular sheath device of the present embodiment is different from the first embodiment in that the support of the present embodiment has one support leg, so that the support has a cantilever structure. Compared with an arch structure, the structure can have more operation space, is more flexible to operate, and is suitable for the condition of single-side fixation.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (4)

1. Safe type vessel sheath device, including vessel sheath, its characterized in that: still include vascular sheath stable structure, vascular sheath stable structure include the base, slidable set up in support and liftable ground on the base set up vascular sheath fixed block on the support, the base has the space that can hold the people limbs, and is provided with the fixed bandage that is used for fixed human body above that, the support sets up a stabilizer blade at least, be provided with sliding guide mechanism between stabilizer blade and the base, be provided with the fixed orifices that suits with vascular sheath outer wall diameter in the vascular sheath fixed block, the fixed orifices is provided with a vascular sheath along its axial parallel arrangement and puts into the groove, sliding guide mechanism including set up T type piece on the stabilizer blade and set up on the base with T type piece matched with T type groove, still be provided with slide locking mechanism between stabilizer blade and the base, slide locking mechanism is including connecting the brake shoe on the stabilizer blade and setting up rotatable clamp shoe on the base, the clamp shoe passes through bolted connection and fixes on the base to be provided with compression spring between clamp shoe and bolt head, be provided with between support and the vascular sheath fixed block and the axial parallel arrangement have a vascular sheath to put into the groove, slide guide mechanism includes that vertical guide bar is used for setting up and down on the guide bar and the guide bar is used for setting up and down along its axial guide bar and fixing groove.
2. The safety vascular sheath device of claim 1, wherein: the support is a cantilever beam structure with a support leg.
3. The safety vascular sheath device of claim 1, wherein: the support is an arch structure with two support legs.
4. A safety vascular sheath device according to any one of claims 1-3, wherein: the base is provided with an inward concave limb placing position.
CN201910082716.3A 2019-01-28 2019-01-28 Safety vascular sheath device Active CN109646789B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910082716.3A CN109646789B (en) 2019-01-28 2019-01-28 Safety vascular sheath device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910082716.3A CN109646789B (en) 2019-01-28 2019-01-28 Safety vascular sheath device

Publications (2)

Publication Number Publication Date
CN109646789A CN109646789A (en) 2019-04-19
CN109646789B true CN109646789B (en) 2024-03-08

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354271A (en) * 1993-08-05 1994-10-11 Voda Jan K Vascular sheath
US6197042B1 (en) * 2000-01-05 2001-03-06 Medical Technology Group, Inc. Vascular sheath with puncture site closure apparatus and methods of use
US6626918B1 (en) * 2000-10-06 2003-09-30 Medical Technology Group Apparatus and methods for positioning a vascular sheath
RU40586U1 (en) * 2004-04-12 2004-09-20 Государственное учреждение Самарский государственный медицинский университет MEDICAL TABLE
CN201469870U (en) * 2009-08-28 2010-05-19 北京迪玛克医药科技有限公司 Sheath of needled vessel sheath component
AU2011232934A1 (en) * 2010-03-29 2012-08-30 Terumo Kabushiki Kaisha Introducer sheath assembly
CN202654521U (en) * 2012-02-13 2013-01-09 北京迪玛克医药科技有限公司 Medical vessel sheath
CN103054632A (en) * 2012-11-21 2013-04-24 中国人民解放军第三军医大学第三附属医院 Reverse vessel puncture device for intervention
CN205849969U (en) * 2016-06-17 2017-01-04 上海市同济医院 A kind of vagina vasorum with lock function
CN209713960U (en) * 2019-01-28 2019-12-03 中国人民解放军陆军军医大学第一附属医院 Safety-type vagina vasorum device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589214B2 (en) * 2000-12-06 2003-07-08 Rex Medical, L.P. Vascular introducer sheath with retainer
US20040171923A1 (en) * 2002-12-06 2004-09-02 Kalafut John F. Devices, systems and methods for improving vessel access
US9554785B2 (en) * 2012-12-21 2017-01-31 Essential Medical, Inc. Vascular locating systems and methods of use

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5354271A (en) * 1993-08-05 1994-10-11 Voda Jan K Vascular sheath
US6197042B1 (en) * 2000-01-05 2001-03-06 Medical Technology Group, Inc. Vascular sheath with puncture site closure apparatus and methods of use
US6626918B1 (en) * 2000-10-06 2003-09-30 Medical Technology Group Apparatus and methods for positioning a vascular sheath
RU40586U1 (en) * 2004-04-12 2004-09-20 Государственное учреждение Самарский государственный медицинский университет MEDICAL TABLE
CN201469870U (en) * 2009-08-28 2010-05-19 北京迪玛克医药科技有限公司 Sheath of needled vessel sheath component
AU2011232934A1 (en) * 2010-03-29 2012-08-30 Terumo Kabushiki Kaisha Introducer sheath assembly
CN202654521U (en) * 2012-02-13 2013-01-09 北京迪玛克医药科技有限公司 Medical vessel sheath
CN103054632A (en) * 2012-11-21 2013-04-24 中国人民解放军第三军医大学第三附属医院 Reverse vessel puncture device for intervention
CN205849969U (en) * 2016-06-17 2017-01-04 上海市同济医院 A kind of vagina vasorum with lock function
CN209713960U (en) * 2019-01-28 2019-12-03 中国人民解放军陆军军医大学第一附属医院 Safety-type vagina vasorum device

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