CN113143378A - Sliding vascular sheath capable of plugging artery and vein - Google Patents
Sliding vascular sheath capable of plugging artery and vein Download PDFInfo
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- CN113143378A CN113143378A CN202110407159.5A CN202110407159A CN113143378A CN 113143378 A CN113143378 A CN 113143378A CN 202110407159 A CN202110407159 A CN 202110407159A CN 113143378 A CN113143378 A CN 113143378A
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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
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention discloses a sliding blood vessel sheath capable of plugging an arteriovein, which comprises a skin, wherein a blood vessel is arranged in the skin, a guide needle is arranged on the blood vessel, one end of the guide needle penetrates through the outer wall of the skin and the outer wall of the blood vessel and is contacted with the skin at a deep layer, a handheld body is arranged at the top end of the guide needle, a blood retention tube is arranged in an inner cavity of the handheld body, and a closed guide needle is arranged at the bottom end of the blood retention tube. This but slip vessel sheath of shutoff arteriovenous, blood guide hole on the pivot outer wall that bull stick one end is connected will realize exporting blood when needle tubing connector and pipe opening position, through rotating the pivot for when blood guide hole and needle tubing connector and pipe opening position contact, will realize the shutoff to blood.
Description
Technical Field
The invention relates to the field of medical catheters, in particular to a sliding vascular sheath capable of plugging arteriovenous vessels.
Background
The main function of the vascular sheath is to cover the damaged blood vessels to help the patient's adult blood vessels break without causing bleeding symptoms.
However, the conventional sliding vascular sheath capable of plugging arteriovenous vessels on the market has some defects, the conventional vascular sheath is used for inserting into a vascular system through percutaneous puncture, guiding a catheter, a balloon catheter or a stent and carrying out interventional diagnosis or treatment means, but the vascular sheath does not have the function of plugging blood vessels again, so that the blood vessels need to be plugged again, the structure is not optimized, and the design is not reasonable.
Disclosure of Invention
The invention aims to provide a sliding vascular sheath capable of plugging an artery and a vein so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a sliding blood vessel sheath capable of plugging an artery and a vein comprises a skin, wherein a blood vessel is arranged in the skin, a guide needle is arranged on the blood vessel, one end of the guide needle penetrates through the outer wall of the skin and the outer wall of the blood vessel and is in deep contact with the skin, a handheld body is installed at the top end of the guide needle, a blood retention tube is installed in the inner cavity of the handheld body, a closed guide needle is installed at the bottom end of the blood retention tube, a vascular needle is installed on the outer wall of the closed guide needle, a vascular needle is arranged on the outer wall of the closed guide needle, a guide wire penetrates through the inner cavity of the closed guide needle, and a blood vessel sheath is arranged above the skin;
the inner chamber position of blood vessel is provided with the induction pipe, the inner chamber wall of induction pipe leans on upper portion position to be provided with the curved opening, the outer wall of induction pipe is by preceding position installation arc film, the blood-drawing pipe has been seted up at the position before the inner chamber of induction pipe, install the carousel in the notch of blood-drawing pipe, position fixedly connected with blend stop before the notch of blood-drawing pipe, install the stay on the outer wall of carousel, be provided with pneumatic soft rod in the inner chamber of induction pipe, the arc groove has been seted up at the position before the outer wall of pneumatic soft rod, the arc groove is in same vertical horizontal plane with the stay.
As a still further scheme of the invention: the inner cavity wall of the introducing pipe is attached with a thickening wall, the top end of the introducing pipe is provided with a soft strip, and the middle of the soft strip is in an open hole shape.
As a still further scheme of the invention: the guide wire device is characterized in that an inner tube is installed at the bottom end of the guide tube, an outer tube is sleeved on the outer wall of the inner tube, an air seal tube is installed at the top end of the outer tube, a guide wire body is inserted into the inner cavity of the air seal tube, a front column head is arranged on the outer wall of the guide wire body, a thin-hole tube is installed at the bottom end of the front column head, and a limiting sleeve is fixedly connected to the bottom end of the thin-hole tube.
As a still further scheme of the invention: the outer wall of the fine hole pipe is provided with a conveying pipe, the top end of the conveying pipe is fixedly connected with an open hole disc, a front clamping piece is arranged on the outer wall of the fine hole pipe close to the lower portion, and a tooth mouth plate is fixedly connected to the clamping portion of the front clamping piece.
As a still further scheme of the invention: the outer wall of seal wire body leans on upper portion position centre gripping to have rearmounted folder, the extrusion position of leading folder is provided with solid pipe, the cavity pipe is installed on the top of solid pipe, the top that has pegged graft the body of rod in the inner chamber of cavity pipe is installed and is turned round the cap, the spring has been cup jointed on the outer wall of the body of rod, the inner chamber that leans on lower part position in the cavity pipe of spring.
As a still further scheme of the invention: the catheter is fixedly connected with the inner cavity of the catheter in an inserted mode, the top end of the catheter is communicated with a sealing tube, and a needle tube connector is installed on the outer wall of the sealing tube.
As a still further scheme of the invention: the side shaft is installed on the inner chamber right side of sealing tube, the pivot is installed to the one end of side shaft, the blood guide hole has been seted up on the outer wall of pivot, the bull stick is installed to the other end of pivot, the inner chamber of pivot is run through to the one end of bull stick to install the cavity whirlpool piece, the last surface mounting of cavity whirlpool piece has.
Compared with the prior art, the invention has the beneficial effects that:
the invention controls the turning cap to rotate, when the turning cap rotates, the turning cap drives the rod body to rotate, the spring on the outer wall of the rod body can be pulled upwards from the inner cavity of the hollow tube, one side of the outer wall of the rod body is fixed by the extrusion part side of the rear clamping piece, when the rod body moves outwards, the rear clamping piece also pulls outwards, the guide wire body is pulled outwards from the inner cavity of the built-in tube, after the built-in tube is pulled outwards, the pneumatic soft rod moves backwards in the inner cavity of the guide tube, when the stay contacts the arc groove, the soft strip at the front end of the guide tube can be curled inwards, the sealing of the blood hole can be realized by the bent opening, and simultaneously, after the pneumatic soft rod is pulled outwards to the maximum distance, the guide tube can be driven to be separated from the skin, and the soft strip at the moment can be blocked at the blood vessel hole, the pneumatic soft rod and the guide tube can be cut short, thereby realizing the blocking of the blood hole, increasing the thick wall, bending opening, The leading-in pipe and the soft strip are both structures which can be dissolved with the meat body, and the structures are more optimized and the design is more reasonable.
According to the invention, blood is guided into the external tube through the space between the outer wall of the pneumatic soft rod and the inner wall of the guide tube and is guided into the guide tube through the external tube, the rotating rod arranged on the right side of the cavity vortex block is driven to rotate under control, when the blood guide hole on the outer wall of the rotating shaft connected with one end of the rotating rod is positioned at the needle tube connector and the opening part of the guide tube, the blood is guided out, and when the blood guide hole is not contacted with the needle tube connector and the opening part of the guide tube by rotating the rotating shaft, the blood can be blocked.
Drawings
FIG. 1 is a schematic flow diagram of a sliding sheath for sealing an artery or vein;
FIG. 2 is an enlarged view of FIG. 1 at A of a sliding sheath for occluding an artery or vein;
FIG. 3 is an inward-rolled view of an introducer tube in a sliding sheath for occluding an artery and a vein;
FIG. 4 is a fully rolled-up view of an introducer tube in a sliding sheath for occluding an artery or vein;
FIG. 5 is an enlarged view of FIG. 1 at B of a sliding sheath for occluding an artery or vein;
fig. 6 is a diagram of the structure of the vascular sheath in a sliding vascular sheath for occluding the arteriovenous.
In the figure: the skin 1, the blood vessel 2, the vascular needle 3, the closed guide needle 4, the handheld body 5, the blood retention tube 6, the guide needle 7, the cavity vortex block 8, the rotating shaft 9, the lead-in wire 10, the conduit 11, the air seal tube 12, the external tube 13, the internal tube 14, the pneumatic soft rod 15, the blood guide hole 16, the needle tube connector 17, the side shaft 18, the blood sheath 19, the cavity tube 20, the solid tube 21, the front clamp 22, the guide wire body 23, the front post 24, the tooth mouth plate 25, the delivery conduit 26, the perforated disc 27, the fine hole tube 28, the limit sleeve 29, the rear clamp 30, the twist cap 31, the rod body 32, the spring 33, the rotating disc 34, the blocking strip 35, the stay 36, the arc groove 37, the thickening wall 38, the blood guide tube 39, the bent mouth 40, the arc-shaped soft sheet 41, the guide tube 42, the soft strip 43, the rotating rod 44 and the worm 45.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a sliding vascular sheath capable of blocking an artery and a vein includes an epidermis 1, a blood vessel 2 is disposed in the epidermis 1, a needle 7 is disposed on the blood vessel 2, one end of the needle 7 penetrates through an outer wall of the epidermis 1 and an outer wall of the blood vessel 2, and is in contact with the deep epidermis 1, a handheld body 5 is mounted at a top end of the needle 7, a blood retention tube 6 is mounted in an inner cavity of the handheld body 5, a closed needle 4 is mounted at a bottom end of the blood retention tube 6, a vascular needle 3 is mounted on an outer wall of the closed needle 4, a vascular needle 3 is disposed on an outer wall of the closed needle 4, a lead wire 10 is inserted into an inner cavity of the closed needle 4, and a vascular sheath 19 is disposed above the epidermis 1; an introducing pipe 42 is arranged at the inner cavity part of the blood vessel 2, a bent opening 40 is arranged at the upper part of the inner cavity wall of the introducing pipe 42, an arc-shaped flexible sheet 41 is arranged at the front part of the outer wall of the introducing pipe 42, a blood guiding pipe 39 is arranged at the front part of the inner cavity of the introducing pipe 42, a rotary table 34 is arranged in the notch of the blood guiding pipe 39, a barrier 35 is fixedly connected with the front part of the notch of the blood guiding pipe 39, a supporting strip 36 is arranged on the outer wall of the rotary table 34, a pneumatic soft rod 15 is arranged in the inner cavity of the introducing pipe 42, an arc groove 37 is arranged at the front part of the outer wall of the pneumatic soft rod 15, the arc groove 37 and the supporting strip 36 are positioned on the same vertical horizontal plane, a thickening wall 38 is attached to the inner cavity wall of the introducing pipe 42, a soft strip 43 is arranged at the top end of the introducing pipe 42, the middle of the soft strip 43 is in a hole shape, an internal pipe 14 is arranged at the bottom end of the introducing pipe, an external pipe 13 is sleeved on the outer wall of the internal pipe 14, an air sealing pipe 12 is arranged at the top end of the external pipe 13, a guide wire body 23 is inserted into the inner cavity of the air-tight tube 12, a front column head 24 is arranged on the outer wall of the guide wire body 23, a fine hole tube 28 is arranged at the bottom end of the front column head 24, a limit sleeve 29 is fixedly connected at the bottom end of the fine hole tube 28, a delivery conduit 26 is arranged on the outer wall of the fine hole tube 28, an open hole disc 27 is fixedly connected at the top end of the delivery conduit 26, a front clamping piece 22 is arranged at the lower part of the outer wall of the fine hole tube 28, a tooth mouth plate 25 is fixedly connected at the clamping part of the front clamping piece 22, a rear clamping piece 30 is clamped at the upper part of the outer wall of the guide wire body 23, a solid tube 21 is arranged at the extrusion part of the front clamping piece 22, a cavity tube 20 is arranged at the top end of the solid tube 21, a torsion cap 31 is arranged at the top end of a rod body 32 inserted into the inner cavity of the cavity tube 20, a spring 33 is sleeved on the outer wall of the rod body 32, the lower part of the spring 33 is positioned in the inner cavity of the cavity tube 20, the conduit 26 is inserted and fixedly connected with the conduit 11, the top end of the guide tube 11 is communicated with a sealing tube, a needle tube connector 17 is installed on the outer wall of the sealing tube, a side shaft 18 is installed on the right side of the inner cavity of the sealing tube, a rotating shaft 9 is installed at one end of the side shaft 18, a blood guide hole 16 is formed in the outer wall of the rotating shaft 9, a rotating rod 44 is installed at the other end of the rotating shaft 9, one end of the rotating rod 44 penetrates through the inner cavity of the rotating shaft 9, a cavity vortex block 8 is installed, and 48 is installed on the upper surface of the cavity vortex block 8.
The working principle of the invention is as follows: the first step is as follows: the left side structure in the attached figure 1 is adopted to insert the blood vessel 2 in the epidermis 1, specifically: the handheld body 5 is butted with the vascular needle 3, the handheld body 5 is pressed downwards to control the vascular needle 3 to be pressed downwards, and the guide needle 7 connected to the inner cavity part of the vascular needle 3 penetrates through the blood vessel 2 and is positioned in the epidermis 1, so that the perforation of the blood vessel 2 is realized, and the perforation part of the blood vessel 2 is sealed;
the second step is that: the hand-held body 5 is pulled outwards, the hand-held body 5 is separated from the vascular needle 3, the liquid at the moment is led out through the guide needle 7, blood needs to be blocked, the lead-in wire 10 is led into the inner cavity of the blood vessel 2 through the inner cavity of the guide needle 7, and the blood at the moment is sealed under the blockage of the lead-in wire 10;
thirdly, slowly guiding down the built-in tube 14 through the outer wall of the lead-in wire 10, drawing out the vascular needle 3 through the outer wall of the built-in tube 14, and simultaneously drawing out the lead needle 7 connected to the front end of the vascular needle 3;
the front end of the built-in tube 14 is provided with an introducing tube 42, the inner cavity of the built-in tube 14 is provided with a pneumatic soft rod 15, blood can be introduced into the external tube 13 through the distance between the outer wall of the pneumatic soft rod 15 and the inner wall of the introducing tube 42 and can be introduced into the catheter 11 through the external tube 13, the control 48 drives the rotating rod 44 arranged on the right side of the cavity vortex block 8 to rotate, when the blood guiding hole 16 on the outer wall of the rotating shaft 9 connected with one end of the rotating rod 44 is positioned at the opening parts of the needle tube connector 17 and the catheter 11, the blood can be guided out, and when the rotating shaft 9 is rotated, the blood guiding hole 16 is not contacted with the opening parts of the needle tube connector 17 and the catheter 11, the blood can be blocked;
at this time, the blood vessel needs to be blocked, specifically: the turning cap 31 is controlled to rotate, when the turning cap 31 rotates, the rod body 32 is driven to rotate, the spring 33 on the outer wall of the rod body 32 can be pulled upwards from the inner cavity of the hollow tube 20, one side of the outer wall of the rod body 32 is fixed on one side of the extrusion part of the rear clamping piece 30, when the rod body 32 moves outwards, namely the rear clamping piece 30 is pulled outwards, and the guide wire body 23 is pulled outwards from the inner cavity of the inner tube 14;
after the inner catheter 14 is drawn outwards, the pneumatic soft rod 15 moves backwards in the inner cavity of the introducing tube 42, when the stay 36 contacts the arc groove 37, the soft strip 43 at the front end of the introducing tube 42 is curled inwards and is arranged through the bent opening 40, meanwhile, after the pneumatic soft rod 15 is drawn outwards to the maximum distance, the introducing tube 42 is driven to be separated from the epidermis 1, the soft strip 43 at the moment is blocked at the blood vessel 2, the pneumatic soft rod 15 and the introducing tube 42 are cut short, the blood vessel can be blocked, and the thickened wall 38, the bent opening 40, the introducing tube 42 and the soft strip 43 are all structures which can be dissolved with the flesh.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A sliding vascular sheath capable of occluding arteriovenous vessels, comprising an epidermis (1), characterized in that: a blood vessel (2) is arranged in the epidermis (1), a guide needle (7) is arranged on the blood vessel (2), one end of the guide needle (7) penetrates through the outer wall of the epidermis (1) and the outer wall of the blood vessel (2) and is in deep contact with the epidermis (1), a handheld body (5) is installed at the top end of the guide needle (7), a blood retention tube (6) is installed in the inner cavity of the handheld body (5), a closed guide needle (4) is installed at the bottom end of the blood retention tube (6), a vein needle (3) is installed on the outer wall of the closed guide needle (4), a vein needle (3) is arranged on the outer wall of the closed guide needle (4), a guide wire (10) is inserted into the inner cavity of the closed guide needle (4), and a blood vessel sheath (19) is arranged above the epidermis (1);
the inner chamber position of blood vessel (2) is provided with induction tube (42), the inner chamber wall of induction tube (42) leans on the upper portion position to be provided with curved mouthful (40), arc film (41) are installed by preceding position to the outer wall of induction tube (42), draw blood vessel (39) have been seted up to the position before the inner chamber of induction tube (42), install carousel (34) in the notch of draw blood vessel (39), position fixedly connected with blend stop (35) before the notch of draw blood vessel (39), install stay (36) on the outer wall of carousel (34), be provided with pneumatic soft rod (15) in the inner chamber of induction tube (42), arc groove (37) have been seted up to the position before the outer wall of pneumatic soft rod (15), arc groove (37) are in same vertical horizontal plane with stay (36).
2. The sliding vascular sheath capable of occluding arterio-veins of claim 1, wherein: the inner cavity wall of the introducing pipe (42) is attached with a thickening wall (38), the top end of the introducing pipe (42) is provided with a soft strip (43), and the middle of the soft strip (43) is in an open hole shape.
3. The sliding vascular sheath capable of occluding arterio-veins of claim 1, wherein: built-in pipe (14) are installed to the bottom of induction pipe (42), external pipe (13) have been cup jointed on the outer wall of built-in pipe (14), atmoseal pipe (12) are installed on the top of external pipe (13), seal up the interior intracavity of pipe (12) and have been pegged graft seal wire body (23), be provided with leading post head (24) on the outer wall of seal wire body (23), micropore pipe (28) are installed to the bottom of leading post head (24), the bottom fixedly connected with stop collar (29) of micropore pipe (28).
4. A sliding sheath for sealing an arteriovenous according to claim 3 further comprising: the outer wall of the fine hole pipe (28) is provided with a guide pipe (26), the top end of the guide pipe (26) is fixedly connected with an open hole disc (27), the outer wall of the fine hole pipe (28) is provided with a front clamping piece (22) close to the lower part, and the clamping part of the front clamping piece (22) is fixedly connected with a tooth mouth plate (25).
5. A sliding sheath for sealing an arteriovenous according to claim 3 further comprising: the outer wall of seal wire body (23) leans on upper portion position centre gripping to have rearmounted folder (30), the extrusion position of leading folder (22) is provided with solid pipe (21), cavity pipe (20) are installed on the top of solid pipe (21), the top of the grafting body of rod (32) in the inner chamber of cavity pipe (20) is installed and is changeed cap (31), spring (33) have been cup jointed on the outer wall of the body of rod (32), the lower part position that leans on of spring (33) is in the inner chamber of cavity pipe (20).
6. A sliding vascular sheath for occluding an arteriovenous as in claim 4 wherein: fixedly connected with pipe (11) pegs graft in the inner chamber of defeated pipe (26), the top intercommunication of pipe (11) has the sealed tube, and installs needle tubing connector (17) on the outer wall of sealed tube.
7. The sliding vascular sheath capable of occluding arterio-veins of claim 6, wherein: side shaft (18) are installed on the inner chamber right side of sealing tube, pivot (9) are installed to the one end of side shaft (18), blood guide hole (16) have been seted up on the outer wall of pivot (9), bull stick (44) are installed to the other end of pivot (9), the inner chamber of pivot (9) is run through to the one end of bull stick (44) to install cavity vortex piece (8), the last surface mounting of cavity vortex piece (8) has (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407159.5A CN113143378B (en) | 2021-04-15 | 2021-04-15 | Sliding sheath tube capable of plugging artery and vein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110407159.5A CN113143378B (en) | 2021-04-15 | 2021-04-15 | Sliding sheath tube capable of plugging artery and vein |
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| Publication Number | Publication Date |
|---|---|
| CN113143378A true CN113143378A (en) | 2021-07-23 |
| CN113143378B CN113143378B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110407159.5A Active CN113143378B (en) | 2021-04-15 | 2021-04-15 | Sliding sheath tube capable of plugging artery and vein |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113143378B (en) | 2023-03-17 |
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Effective date of registration: 20230220 Address after: Room 101, Standard Industrial Building III, Hunan Fangsheng Pharmaceutical Co., Ltd., No. 299, Jiayun Road, High-tech Development Zone, Changsha City, Hunan Province, 410217 Applicant after: Hunan Simai Medical Instrument Co.,Ltd. Address before: 410000 3rd / 4th floor, standard industrial building, No. 299, Jiayun Road, high tech Development Zone, Changsha City, Hunan Province Applicant before: Hunan Weier Medical Technology Co.,Ltd. |
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