CN200970250Y

CN200970250Y - Arterial puncture point blocking hemostat after coronary disease micro traumatic operation

Info

Publication number: CN200970250Y
Application number: CN 200620158002
Authority: CN
Inventors: 刘万兵; 杨建刚
Original assignee: Lepu Medical Technology Beijing Co Ltd
Current assignee: Lepu Medical Technology Beijing Co Ltd
Priority date: 2006-11-02
Filing date: 2006-11-02
Publication date: 2007-11-07
Anticipated expiration: 2016-11-02

Abstract

The utility model relates to a haemostatic instrument for closure of artery puncture point during minimally invasive CHD surgeries, which comprises a divergent tube, a sheath tube, a thruster and a locator, wherein the divergent tube is a thick-walled tubular product with a blunt-nosed in the front; external diameter of the divergent tube closely coordinates with internal diameter of the sheath tube; thin-walled tube of the sheath tube is stuck with the handle; internal diameter of the divergent tube closely coordinates with external pipe diameter of the locator; the absorbable and degradable biological haemostatic materials are implanted into human tissues; a mechanical force is generated on exterior vascular walls to promote formation of blood clots to arrest bleeding at artery puncture points , which can reduce the incidence rate of haematoma, ease the work load of medical staff, save both time and labor force and relieve pains and post-operative recovery time for patients. The utility model can be applied to patients of thick subcutaneous fatty tissues, with a wider range of applications, and can be used for hemostasia purposes by using a dilator sheath to puncture the blood vessels after radial artery or femoral artery coronary angiography or prcutaneous coronary intervention.

Description

Coronary heart disease Wicresoft postoperative arterypuncture point shutoff haemostat

Technical field

This utility model belongs to medical instruments field, relates to a kind of use absorbable and degradable biomaterial coronary heart disease Minimally Invasive Surgery postoperative arterypuncture point is implemented shutoff hemostatic blood vessel blocking device.

Technical background

Coronary heart disease Wicresoft interventional therapy, as trans-radial or capable coronary angiography of femoral artery or percutaneous arteria coronaria interventional procedure (PCI) operation, the doctor generally adopts the percutaneous puncture technology, postoperative is implemented point of puncture and is continued artificial or the mechanical compression hemostasis, then patient need lie up, and this pushing has hematoma to take place when stopping blooding, and is unsuitable for the thicker patient of subcutaneus adipose tissue, moreover, adopt the outside shutoff vascular puncture point of manually exerting pressure must increase medical personnel's workload and braking time.

Summary of the invention

It is a kind of time saving and energy saving that the purpose of this utility model is to provide, and the scope of application is extensive, the coronary heart disease Wicresoft postoperative arterypuncture point shutoff haemostat that result of use is good.

The technical solution adopted in the utility model: a kind of coronary heart disease Wicresoft postoperative arterypuncture point shutoff haemostat, comprise convergent divergent channel, sheath pipe, propeller, localizer, its convergent divergent channel is a thick-wall tube, front end is circular blunt nosed, convergent divergent channel external diameter and sheath bore closely cooperate, the light-wall pipe and the handle of sheath pipe are bonding, and the internal diameter of described convergent divergent channel and the outer tube diameter of localizer closely cooperate.

Described angle of rake storeroom is connected with push rod, and push rod is connected with the propelling movement handle, and biological hemostatic material is stored in the storeroom.

Described localizer comprises soft head, joint sleeve, tinsel, location hook, shape tube, metal canula, but shape tube is polyurethane (PU) hard tube of radiography, its inner chamber is the rectangle profiled holes, rectangular opening and orthogonal joint sleeve closely cooperate, shape tube is connected with metal canula, metal canula is connected with tinsel, and tinsel connects J type location hook.

Be provided with inner sleeve in the trocar sheath of described metal canula, an end of inner sleeve is provided with handle, and the other end connects with location hook by tinsel, and trocar sheath is connected with shape tube, and the inner sleeve surface is provided with the colour code labelling.

Described shape tube front end is provided with spherical soft head, and shape tube one side is provided with side opening, and described soft head is polyurethane (PU) macromolecular material.

Described location hook is that arcual end and spheric termination constitute by gradual change thin a raw silk rings and an end, and location hook is driven by tinsel, and is stretched out with shape tube by side opening and to be forked.

Described convergent divergent channel, sheath pipe, propeller, localizer material are polyurethane (PU), polypropylene (PP), ABS medical macromolecular materials.

Described biological hemostatic material is an intumescent suppository, and material is the biological hemostatic material of absorbable and degradable.

Described tinsel, location hook are selected the Nitinol metal material with excellent shape-memory properties for use.

This utility model adopts conveyer device that the biological hemostatic material of absorbable and degradable is inserted tissue, vessel outer wall is produced a mechanical force and promotes blood clot to form and reach arterypuncture point and stop blooding, reduced the hematoma incidence rate, alleviated medical worker's workload, save braking time and manpower, reduced suffered exert pressure misery and the postoperative bed rest time of patient, can satisfy the thicker patient of subcutaneus adipose tissue uses, enlarged suitable crowd's scope, the disposable use of this utility model, mainly be applicable to and adopt radial artery or capable coronary angiography of femoral artery or percutaneous arteria coronaria interventional procedure (PCI) postoperative, use the hemostasis at 5～8F expansion sheath dilated penetration blood vessel place to handle.

Description of drawings

Fig. 1 is this utility model structural representation;

Fig. 2 is localizer 5 structural representations of the present utility model;

Fig. 3 is localizer special pipe 505 inner-cavity structure sketch maps of the present utility model;

Fig. 4 is localizer location hook 504 structural representations of the present utility model.

The specific embodiment

Consult shown in Figure 1, a kind of coronary heart disease Wicresoft postoperative arterypuncture point shutoff haemostat, adopt medical high polymer,, mainly comprise parts and biological hemostatic materials 3 such as convergent divergent channel 1, sheath pipe 2, propeller 4, localizer 5 as material such as polyurethane (PU), polypropylene (PP), ABS; Its convergent divergent channel 1 and sheath pipe 2 are prior art, convergent divergent channel 1 is a thick-wall tube, front end is circular blunt nosed, help the dilator meat tissue and protect thin-walled sheath pipe 2, convergent divergent channel 1 is arranged in the sheath pipe 2, the internal diameter of the external diameter of convergent divergent channel 1 and sheath pipe 2 closely cooperates, and can freely promote, and the outer tube diameter of the internal diameter of convergent divergent channel 1 and localizer 5 closely cooperates; After being positioned at the vascular puncture mouth with localizer 5, sheath pipe 2 being enclosed within on the convergent divergent channel 1 inserting the muscle puncture channel to vessel outer wall along localizer 5.

Described sheath pipe 2 comprises light-wall pipe 201 and handle 202, and light-wall pipe 201 and handle 202 are connected by mode such as bonding.

Described propeller 4 comprises storeroom 401, push rod 402, pushes handle 403 etc.; Its storeroom 401 and push rod 402 are connected by bayonet socket, push rod 402 can promote forward along storeroom 401, push rod 402 is connected with propelling movement handle 403, biological hemostatic material 3 is stored in storeroom 401 inside, behind sheath pipe 2 location, propeller 4 can push to vascular puncture mouth outer wall along handle 202 inner chambers of sheath pipe 2 with biological hemostatic material 3; Described biological hemostatic material 3 is selected the biomaterial of absorbable and degradable for use, is used to insert the medical material of tissue as intumescent suppository, collagen protein sponge etc.

Consult Fig. 2, shown in Figure 3, described localizer 5 mainly comprises soft 501, joint sleeve 502, tinsel 503, location hook 504, shape tube 505, metal canula 506 etc.; But polyurethane (PU) hard tube that its special pipe 505 is a radiography, its inner chamber is the rectangle profiled holes, front end is provided with spherical soft 501, select softness for use for soft 501, the macromolecular material of good toughness, as polyurethane etc., guarantee in the propelling movement process not injured blood vessel inwall, shape tube 505 1 sides are provided with side opening 5051, shape tube 505 1 ends are connected with metal canula 506, metal canula 506 is connected with tinsel 503, tinsel 503 connects J type location hook 504, and tinsel 503 and location hook 504 optional usefulness have the metal material of excellent shape-memory properties, as Nitinol, described shape tube 505 inner chambers are rectangular opening, rectangular opening and orthogonal joint sleeve 502 closely cooperate, and guarantee the axial section coplanar of J type location hook 504 and shape tube 505, can prevent that location hook 504 from rotating freely at shape tube 505 inner chambers; One termination of J type location hook 504 is spherical blunt nosed, injured blood vessel not, and under the drive of tinsel 503, location hook 504 moves and by outside side opening 5051 place's protruded tubes, forms bifurcateds with PU shape tube 505, can accurately be hooked on the vascular puncture mouth in operation.

Consult shown in Figure 4ly simultaneously, described location hook 504 is made of the thin raw silk rings 5041 of gradual change and arcual end 5042 and spheric termination 5043.

Described metal canula 506 is selected medical metal material and macromolecular material for use, comprises trocar sheath 5061, inner sleeve 5062, handle 5063, colour code labelling 5064 etc.; Be provided with inner sleeve 5062 in its trocar sheath 5061, constitute double-level-metal sleeve pipe 506, one end of inner sleeve 5062 is provided with handle 5063, the other end connects with J type location hook 504 by tinsel 503, trocar sheath 5061 is connected with polyurethane (PU) shape tube 505, handle 5063 drives inner sleeve 5062 and slides along trocar sheath 5061, inner sleeve 5062 surfaces are provided with colour code labelling 5064, when colour code labelling 5064 exposes trocar sheath 5061, show that J type location hook 504 exposes from the side opening 5051 of shape tube 505 bodys fully.

Operational approach of the present utility model: behind the interventional procedure, the used sheath pipe 2 of interventional procedure (being not included in this apparatus) is preceding extracting, after sending in the blood vessel to a certain degree along sheath pipe 25 soft 501 of localizers, fixed locator 5 trocar sheaths 5061 then, pull out the inner sleeve 5062 that has handle 5063, labelling 5064 is exposed, this moment, inner sleeve 5062 drive Nitinol location hooks 504 reached in the blood vessel from the side opening 5051 of polyurethane (PU) shape tube 505, integral body is stirred localizer 5 then, the Nitinol location hook 504 that stretches out can be hooked on vascular puncture mouth place, and alloy location hook 504 can accurately be positioned at blood vessel thorn mouthful place at this moment; Insert convergent divergent channel 1 and sheath pipe 2 along localizer 5 then, the tube head of sheath pipe 2 is stuck in the position of alloy location hook 504 equally, subsequently inner sleeve 5062 is pushed in the trocar sheath 5061, and location hook 504 promptly recedes into shape tube 505, remove localizer 5 and convergent divergent channel 1, only stay sheath pipe 2 in muscle; Then pusher 4 is installed on handle 202 inner chambers of sheath pipe 2, promote to push handle 403, the biological hemostatic material 3 that is stored in storeroom 401 inside of propeller 4 is delivered to blood vessel thorn mouthful outer wall along sheath pipe 2, biological hemostatic material 3 imbibitions compressing blood vessel and promotion blood clot form, and reach haemostatic effect.

Claims

1. coronary heart disease Wicresoft postoperative arterypuncture point shutoff haemostat, comprise convergent divergent channel, sheath pipe, propeller, localizer, its convergent divergent channel is a thick-wall tube, front end is circular blunt nosed, convergent divergent channel external diameter and sheath bore closely cooperate, the light-wall pipe and the handle of sheath pipe are bonding, it is characterized in that the internal diameter of described convergent divergent channel (1) and the outer tube diameter of localizer (5) closely cooperate.

2. coronary heart disease according to claim 1 Wicresoft postoperative arterypuncture point shutoff haemostat, the storeroom (401) that it is characterized in that described propeller (4) is connected with push rod (402), push rod (402) is connected with propelling movement handle (403), and biological hemostatic material (3) is stored in the storeroom (401).

3. coronary heart disease according to claim 1 Wicresoft postoperative arterypuncture point shutoff haemostat, it is characterized in that described localizer (5) comprises soft head (501), joint sleeve (502), tinsel (503), location hook (504), shape tube (505), metal canula (506), shape tube (505) but be polyurethane (PU) hard tube of radiography, its inner chamber is the rectangle profiled holes, rectangular opening and orthogonal joint sleeve (502) closely cooperate, shape tube (505) is connected with metal canula (506), metal canula (506) is connected with tinsel (503), and tinsel (503) connects J type location hook (504).

4. coronary heart disease according to claim 3 Wicresoft postoperative arterypuncture point shutoff haemostat, it is characterized in that being provided with inner sleeve (5062) in the trocar sheath (5061) of described metal canula (506), one end of inner sleeve (5062) is provided with handle (5063), the other end connects with location hook (504) by metal (503), trocar sheath (5061) is connected with shape tube (505), and inner sleeve (5062) surface is provided with colour code labelling (5064).

5. coronary heart disease according to claim 3 Wicresoft postoperative arterypuncture point shutoff haemostat, it is characterized in that described shape tube (505) front end is provided with spherical soft head (501), shape tube (505) one sides are provided with side opening (5051), and described soft head (501) is polyurethane (PU) macromolecular material.

6. coronary heart disease according to claim 3 Wicresoft postoperative arterypuncture point shutoff haemostat, it is characterized in that described location hook (504) is that arcual end (5042) and spheric termination (5043) constitute by a thin raw silk rings of gradual change (5041) and an end, location hook (504) is driven by tinsel (503), and is stretched out with shape tube (505) by side opening (5051) and to be forked.

7. coronary heart disease according to claim 1 Wicresoft postoperative arterypuncture point shutoff haemostat is characterized in that described convergent divergent channel (1), sheath pipe (2), propeller (4), localizer (5) material are polyurethane (PU), polypropylene (PP), ABS medical macromolecular materials.

8. coronary heart disease according to claim 2 Wicresoft postoperative arterypuncture point shutoff haemostat is characterized in that described biological hemostatic material (3) is an intumescent suppository, and material is the biological hemostatic material of absorbable and degradable.

9. coronary heart disease according to claim 3 Wicresoft postoperative arterypuncture point shutoff haemostat is characterized in that described tinsel (503), location hook (504) select the Nitinol metal material with excellent shape-memory properties for use.