CN201814606U

CN201814606U - Intervention and conveying device for occluding device

Info

Publication number: CN201814606U
Application number: CN2010205486865U
Authority: CN
Inventors: 周宏�; 周沂林
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-30
Filing date: 2010-09-30
Publication date: 2011-05-04
Anticipated expiration: 2020-09-30

Abstract

The utility model provides an intervention and conveying device for an occluding device, comprising an outer sheath, an outer sheath inner core, an inner sheath, and a haemostatic valve, the outer sheath comprises an outer sheath head, an outer sheath body, and a tail end opening, the outer sheath head is provided with a lateral opening hole, the internal structure facing the lateral opening hole is a turning inclined plane, the inner sheath inserts into the outer sheath body and traverses out from the lateral opening hole to realize turning, the haemostatic valve is used for buckling the tail end opening of the outer sheath, the outer sheath inner core is used for being placed in the outer sheath body and used as a support during puncturing of the outer sheath. The intervention and conveying device in the utility model is advantageous in that, via ultrasonic guiding, conveying of the occluding device can be realized, operation process causes no radioactive wound to people, radiography is not needed, and medicament damage is prevented, the angle-turning outer sheath make the inner sheath turn in a heart, compressing immobilization haemostasis is not needed for the puncture part, patients can immediately walk after operation, postoperative recovery is fast, surgical approach is short; occluding step is simplified, occluding time is saved, firmness and stability of occluding can be guaranteed, radiography device is not needed, and medical investment is low.

Description

A kind of stopper is got involved conveyer device

Technical field

This utility model relates to a kind of medical apparatus and instruments, utensil field, specifically is that a kind of stopper is got involved conveyer device.

Background technology

Atrial septal defect is modal congenital heart disease, and except open chest surgery treatment, the modus operandi of Wicresoft constantly occurs, traditional interventional blocking device Therapeutic Method at present maturation be applied to clinical.

At present, it mainly is to use in the interposing catheter chamber that traditional Amplatzer room lacks stopper, key step is to puncture from pars inguinalis femoral vein pathway under local anaesthesia, under bulb X line radiography develops, in femoral vein, insert nonvisualized wire guide then, push seal wire and enter right atrium, in blood vessel, inject contrast agent, utilize different position radiographies, in the atrium, seek the room and lack, manage then seal wire is passed atrial septal defect.After determining that seal wire enters left room, along seal wire softish single delivery sheath is sent into left room, after sending into delivery sheath, seal wire rely on the development of X line to instruct, withdraw from seal wire, push Amplatzer shutoff umbrella with pusher and arrive the atrial septal defect position, discharge left room face umbrella and right room face umbrella subsequently respectively, carry out damaged shutoff.The patient of minority absence of inferior vena cava can carry out the room and lack shutoff by the jugular puncture approach, but because angular relationship, success rate is not high.

Traditional radiation gets involved method for blocking following disadvantage:

1, need intervening equipment, patient and medical personnel are exposed under the lonizing radiation, and radiation damage is arranged.

2, need to give the patient injection contrast agent, renal function injury is arranged, patient has renal insufficiency, iodine allergy person not to implement, and operation needs to detect renal function, and postoperative needs venous transfusion in order to getting rid of contrast agent.

3, because seal wire need be sought the interatrial septum in the atrium, seal wire, conduit are punctured with the probability of injury of inferior vena cava, cardiac puncture damage.

4, part patient Eustachian valve prosperity, superfluous She's Eustachian lobe are twined with puncture sheath pipe easily, cause conduit to withdraw from difficulty, torn tissue, residual shunt, conduction block etc.

5, behind the corrective surgery for avoiding the femoral vein hematoma, need bed braking 12 to 24 hours, the part will be with 1 kilogram of sandbag pressing.

Summary of the invention

This utility model provides a kind of stopper to get involved conveyer device, utilize the novel operation on heart apparatus that epitheca turns to, interior sheath is carried stopper, sheath turns in heart in can realizing, and it is vertical with the atrial septal defect direction, eliminate thoracic incision and wound, drawback such as time-consuming, also do not need the pneumoradiography guiding can finish inserting of Amplatzer shutoff umbrella.

A kind of stopper is got involved conveyer device, comprise epitheca, epitheca inner core, interior sheath and haemostatic valve, epitheca comprises epitheca head end, epitheca main body and tail end opening, the epitheca head end offers the side direction perforate, with the side direction perforate be diversion ramp over against locating internal structure, interior sheath inserts in the epitheca main body and passes from the side direction tapping and realizes turning to, and haemostatic valve is used for fastening with the tail end opening of epitheca, the support when the epitheca inner core is used to insert the epitheca main body and punctures as epitheca.

This utility model can be realized the stopper conveying by the ultrasoundcardiogram guiding, and operation process does not need radiography, no drug induced injury to patient and the "dead" wound of medical worker; Sheath turned in heart in the epitheca that angle turns to made, and inflexible seal wire only in jugular vein, does not contact the atrium, reduced penetration damage; Little through the jugular puncture otch, attractive in appearance, do not need compressing braking hemostasis, patient's postoperative can be walked at once, and post-operative recovery is fast; Surgical approach is short, and secondary damage chance is few; Simplified the shutoff step in addition, save the shutoff time, generally only can finish operation about 20 minutes, because it is vertical with atrial septal defect to push the direction of shutoff umbrella, be easy to discharge and adjust block-up position, can guarantee that shutoff is firm and stable, operation technique is easy to learn, promote easily, do not need pneumoradiography equipment, medical less investment.

Description of drawings

Fig. 1 is the profile that this utility model stopper is got involved the epitheca of conveyer device;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the profile that this utility model stopper is got involved the epitheca inner core of conveyer device;

Fig. 4 is this utility model epitheca and the structural representation of epitheca inner core under the seal wire guiding;

Fig. 5 is the structural representation that this utility model stopper is got involved the interior sheath of conveyer device;

To be interior sheath stretch out the work sketch map that turns to from the head end of epitheca to Fig. 6.

Among the figure: the 10-epitheca; 11-epitheca head end; The 12-diversion ramp; The perforate of 13-side direction; 14,24,64-wing handle; 15,25,65-steering direction labelling; 16,66-tail end opening; 17-head end inner core; 18, the 62-bullport; 19-epitheca main body; Sheath in the 20-; Sheath main body in the 21-; Sheath guide hole in the 22-; The 40-haemostatic valve; The 50-seal wire; 60-epitheca inner core; 61-inner core main body.

The specific embodiment

Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is clearly and completely described.

This utility model stopper is got involved conveyer device and is comprised epitheca 10, epitheca inner core 60, interior sheath 20 and haemostatic valve 40.

Please in the lump with reference to Fig. 1 and Fig. 2, epitheca 10 comprises epitheca head end 11, epitheca main body 19 and tail end opening 16, epitheca head end 11 offers side direction perforate 13, with side direction perforate 13 be diversion ramp 12 over against locating internal structure, the angle of diversion ramp 12 is about 45 degree, diversion ramp 12 can be smooth and be fit in the shape on sheath 20 surfaces, sheath 20 slides from the surface of diversion ramp 12 and turns in can guaranteeing.The major part of epitheca main body 19 is a hollow structure, can allow epitheca inner core 60, interior sheath 20 etc. to pass through.Tail end opening 16 is a screw-like, specifically can be outer male thread, can fasten with epitheca inner core 60, haemostatic valve 40.

Epitheca head end 11 is a bending, and angle of bend is about the 10-15 degree.Be provided with head end inner core 17 in the epitheca 10, be provided with bullport 18 in the head end inner core 17, be used for seal wire 50 and pass (as shown in Figure 5).The tail end of epitheca 10 is provided with wing handle 14, and wing handle 14 is provided with steering direction labelling 15, the direction when being used to indicate epitheca 10 punctures to turn to.

Please refer to Fig. 3, epitheca inner core 60 comprises inner core main body 61, is located at the bullport 62 in the inner core main body 61.The tail end of epitheca inner core 60 is provided with wing handle 64, and wing handle 64 is provided with steering direction labelling 65, the direction when being used to indicate epitheca inner core 60 to insert epitheca 10.

Fig. 4 is this utility model epitheca and the structural representation of epitheca inner core under the seal wire guiding, at first puts into seal wire 50 in jugular vein; Insert the epitheca 10 that has head end inner core 17 along seal wire 50 then, wherein the bullport 18 of seal wire 50 from head end inner core 17 passes, then insert epitheca inner core 60 along seal wire 50 in the epitheca main body 19 of epitheca 10, wherein the bullport 62 of seal wire 50 from epitheca inner core 60 passes.Epitheca 10 is strengthened in support when epitheca inner core 60 punctures as epitheca 10 when being used to puncture, can avoid epitheca 10 distortion.

Please refer to Fig. 5, in interior sheath 20 comprises sheath main body 21 and be arranged in interior sheath guide hole 22 in the sheath main body 21, interior sheath guide hole 22 is used to guide pusher and passes.Interior sheath head end is a bending, and angle of bend is about 10 degree.Tail end is a screw-like, specifically can be outer male thread, available unidimensional calparine cap sealing.This calparine cap (interior box thread) central authorities can allow pusher to pass through for perforate.The tail end of interior sheath 20 is provided with wing handle 24, and wing handle 24 is provided with steering direction labelling 25, the direction when sheath 20 penetrates epitheca 10 in being used to indicate.

The external diameter of interior sheath 20, wall thickness are slightly less than epitheca 10, and sheath 20 can insert in the epitheca 10 in making, and interior sheath 20 is longer than the length of epitheca 10, and general interior sheath 20 is than epitheca 10 long 5-10 centimetres.

As shown in Figure 6, when interior sheath 20 was put into epitheca 10, because interior sheath 20 is than epitheca 10 long 5-10 centimetres, sheath 20 stretched out realization from side direction perforate 13 and turns in diversion ramp 12 forced.Because interior sheath 20 has 10 degree bending curvatures, add head end bending 10 to the 15 degree angles of epitheca 10, interior sheath 20 passes the back and forms Y shape transfer passage from epitheca side direction perforate 13.Turn to through diversion ramp 12, the Y jag points to the interatrial septum, can realize the steering angle about 45 degree, sheath 20 can stride across angle and the protruding fossa ovalis upper limb between superior vena cava and the interatrial septum upper limb in final, just walk around the atrial septal defect upper limb of projection, and sheath 20 points in realizing vertical with the atrial septal defect direction.

The haemostatic valve 40 that epitheca 10 is connected with interior sheath 20 is interior box thread.Can penetrate epitheca 10 back betweens at interior sheath 20 and slide, in guaranteeing sheath 20 can be epitheca 10 in the active while, can be at an arbitrary position and granddad's screw thread rotation fastening of epitheca 10 ends, reach the hemostasis purpose.

During use, at first road puncture down in jugular vein, dilated penetration mouth.In jugular vein, put into seal wire 50; Patient's heparinization 1-2mg/Kg; Insert the epitheca 10 that has head end inner core 17 along seal wire 50, insert epitheca inner core 60 then to puncture (as shown in Figure 4); After withdrawing from epitheca inner core 60 and seal wire 50, in epitheca 10, put into sheath 20, under the esophagus us guide, can confirm the position and the steering direction of epitheca 10 in the atrium, utilize this stopper to get involved the conveyer device steering, sheath 20 turns in making, the head end opening of interior sheath 20 points to the interatrial septum, and cross over, walk around interatrial septum fossa ovalis upper limb, in interior sheath guide hole 22, carry the pusher that is fixed with the shutoff umbrella, insert Amplatzer shutoff umbrella through pusher and carry out shutoff; After confirming that the shutoff umbrella is stablized shutoff, withdraw from induction system, the jugular puncture mouth only need be sewed up hemostasis at subcutaneous tissue, does not need compressing; The postoperative anticoagulant is with general intervention shutoff.It is identical with routine operation to reclaim Amplatzer shutoff umbrella in the atrium, return as needs, epitheca main body 19 positions that need elder generation that Amplatzer shutoff umbrella is return epitheca 10, and then sheath 20 in returning, sheath 20 head end band Amplatzer shutoff umbrellas pass through the diversion ramp 12 of epitheca 10 together in should avoiding.

This utility model can be realized the stopper conveying by the ultrasoundcardiogram guiding, and operation process does not need radiography to patient and the "dead" wound of medical worker, sheath turned in heart in the epitheca that no drug induced injury, angle turn to made, and inflexible seal wire is only in jugular vein, do not contact the atrium, reduce penetration damage, little through the jugular puncture otch, attractive in appearance, do not need compressing braking hemostasis, patient's postoperative can be walked at once, and post-operative recovery is fast, surgical approach is short, and secondary damage chance is few; Simplified the shutoff step in addition, saved the shutoff time, and can guarantee that shutoff is firm and stable, operation technique is easy to learn, promotes easily, does not need pneumoradiography equipment, medical less investment.

The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that this utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims

1. a stopper is got involved conveyer device, it is characterized in that: comprise epitheca (10), epitheca inner core (60), interior sheath (20) and haemostatic valve (40), epitheca (10) comprises epitheca head end (11), epitheca main body (19) and tail end opening (16), epitheca head end (11) offers side direction perforate (13), with side direction perforate (13) be diversion ramp (12) over against locating internal structure, interior sheath (20) inserts in the epitheca main body (19) and passes realization from side direction perforate (13) and turns to, haemostatic valve (40) is used for fastening with the tail end opening (16) of epitheca (10), the support when epitheca inner core (60) is used to insert epitheca main body (19) and punctures as epitheca (10).

2. stopper as claimed in claim 1 is got involved conveyer device, and it is characterized in that: epitheca head end (11) is a bending, and angle of bend is about the 10-15 degree.

3. stopper as claimed in claim 1 is got involved conveyer device, it is characterized in that: be provided with head end inner core (17) in the epitheca (10), be provided with bullport (18) in the head end inner core (17), be used for seal wire (50) and pass.

4. stopper as claimed in claim 1 is got involved conveyer device, and it is characterized in that: the tail end of epitheca (10) is provided with wing handle (14), and wing handle (14) is provided with steering direction labelling (15).

5. stopper as claimed in claim 1 is got involved conveyer device, it is characterized in that: interior sheath (20) comprises interior sheath main body (21) and is arranged on the interior interior sheath guide hole (22) of interior sheath main body (21), interior sheath guide hole (22) is used to guide pusher and passes, external diameter, the wall thickness of interior sheath (20) is slightly less than epitheca (10), and length is about 5-10 centimetre than epitheca (10).

6. stopper as claimed in claim 5 is got involved conveyer device, and it is characterized in that: interior sheath (20) head end is a bending, and angle of bend is about 10 degree.