CN102641542A - Tearable sheathing canal - Google Patents

Tearable sheathing canal Download PDF

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Publication number
CN102641542A
CN102641542A CN2012101073138A CN201210107313A CN102641542A CN 102641542 A CN102641542 A CN 102641542A CN 2012101073138 A CN2012101073138 A CN 2012101073138A CN 201210107313 A CN201210107313 A CN 201210107313A CN 102641542 A CN102641542 A CN 102641542A
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CN
China
Prior art keywords
pipe
sheath pipe
sheathing canal
tearable
venous system
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Pending
Application number
CN2012101073138A
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Chinese (zh)
Inventor
卢才义
张玉霄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese PLA General Hospital
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN2012101073138A priority Critical patent/CN102641542A/en
Publication of CN102641542A publication Critical patent/CN102641542A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a tearable sheathing canal, which comprises a round pipe, wherein the round pipe comprises two semi-cylindrical pipes symmetrical along the axis of the round pipe; the two semi-cylindrical pipes are matched by a heat sealing line; one opening end of the round pipe is sealed with an elastic membrane; the elastic membrane is provided with a through hole; and the round pipe is made of plastic. The tearable sheathing canal has the following beneficial effects that the sealing elastic membrane on the tail end of the sheathing canal can be used for effectively preventing air from entering a venous system because of negative pressure to cause complications such as pulmonary embolism when a patient inhales in the process that the tearable sheathing canal is sent into the venous system of the human body along a puncturing guide wire; when the tearable sheathing canal is sent into the venous system of the human body, possible air bubbles or thrombus in the sheathing canal can be sucked by a side pipe on the tail end of the sheathing canal, and anticoagulation heparin saline is injected; and when the a pace-making electrode conduit is conveyed to the venous system by the sheathing canal, the sealing elastic membrane on the tail end of the sheathing canal can be used for effectively preventing the air from entering the venous system to cause air embolism along with the electrode conduit.

Description

Peelable sheath pipe
Technical field
The present invention relates to a kind of peelable sheath pipe, belong to intervene operation and use apparatus.
Background technology
Clinically when placing the operation technique of permanent pacemaker electrode cable, need earlier the sheath pipe to be sent into patient's vein blood vessel along guide wire and set up operating walk way, and then along the sheath pipe entad intracavity send into electrode catheter.In order to reduce the damage of blood vessel wall and to reduce blood loss, in operation, select more tiny sheath pipe usually, internal diameter is with can the hold electrodes conduit smooth and easy through being as the criterion.Therefore, for sheath pipe is the most at last withdrawn from the lead tail end slightly thicker than electrode catheter, just must use peelable sheath pipe.
Widely used clinically peelable sheath pipe is to improve from traditional venous sheath pipe at present; Its major defect is: 1, sheath pipe tail end is not with diaphragm seal; Along drawing that steel wire is sent into the sheath pipe and when the sheath pipe is sent into pacing electrode wire; Easily because patient's intravenous negative pressure and suck air from sheath pipe when air-breathing causes the venous gas thromboembolism.2, because sheath pipe tail end is not with side pipe and three-way cock, after intravenous is sent into the sheath pipe, the bubble or the thrombosis that possibly exist in the sheath pipe can not be aspirated, anticoagulation preparation such as heparin saline can not be in the sheath pipe, injected.3, because sheath pipe tail end is not with sealing elastomeric membrane, side pipe and three-way cock, after sending into pacing electrode wire, must withdraw from the sheath pipe along lead rapidly, otherwise suck air and cause massive blood loss through sheath pipe tail end easily through the sheath pipe.4, owing to properly just must withdraw from and tear away the sheath pipe before the location at electrode cable, therefore can not keep the sheath pipe carries out the electrode cable positioning action, also can't change electrode cable through the sheath pipe.In case when lead location failure maybe need be changed electrode cable, just puncture vessel again started anew to operate.
Summary of the invention
The purpose of this invention is to provide a kind of peelable sheath pipe.
For this reason, a kind of peelable sheath pipe provided by the present invention comprises pipe, and this pipe is by forming along symmetric two the half-cylindrical pipes of its axis, and said two half-cylindrical pipes cooperate through heat seal line; One opening of said pipe is sealed with elastica, and said elastica is provided with a through hole.
In the above-mentioned peelable sheath pipe, the material of said pipe can be plastics.
In the above-mentioned peelable sheath pipe, the thickness of said elastica can be 0.5mm~1.0mm.
In the above-mentioned peelable sheath pipe, the internal diameter of said pipe can be 2.3mm~3.6mm, and external diameter can be 2.5mm~3.7mm.
In the above-mentioned peelable sheath pipe, the length of said pipe can be 15cm~30cm.
In the above-mentioned peelable sheath pipe, said through hole can be located at the center of said elastica.
In the above-mentioned peelable sheath pipe, nearly its blind end is connected with side pipe on the said pipe, and the free-end of this side pipe is provided with three-way cock, in operation process to inject anticoagulation reagent such as heparin sodium saline.
In the above-mentioned peelable sheath pipe, upwards be provided with 2 symmetric handles the week of the blind end of said pipe, so that said sheath pipe is torn, external to shift out.
The present invention has following beneficial effect:
1, be admitted in the process of human vein along the puncture seal wire at peelable sheath pipe, the sealing elastomeric membrane of sheath pipe tail end can prevent effectively that air gets into Venous system because of negative pressure when the patient is air-breathing, causes complication such as pulmonary infarction.
2, after peelable sheath pipe is admitted to the human vein system, can aspirate possible bubble or thrombosis in the sheath pipe through the side pipe of sheath pipe tail end, and heparin saline is used in the injection anticoagulant.
3, when passing through the sheath pipe when Venous system is carried pacing electrode catheter, the sealing elastomeric membrane of sheath pipe tail end can prevent effectively that air from causing air embolism along with electrode catheter gets into Venous system.
4, effectively behind the location, can tear and withdraw the sheath pipe at endocardium when the complete operation electrode cable, not influence the position and the stability of electrode cable simultaneously along the tear line of sheath pipe.
Description of drawings
Fig. 1 is the axonometric chart of peelable sheath pipe provided by the invention.
The structural representation of the elastica of Fig. 2 peelable sheath pipe provided by the invention.
Fig. 3 is the cutaway view of peelable sheath pipe provided by the invention.
Fig. 4 is the structural representation of peelable sheath pipe provided by the invention when cooperating with convergent divergent channel.
Each labelling is following among the figure: 1 pipe, 2 elasticas, 3 through holes, 4 convergent divergent channels, 5 side pipes, 6 three-way cocks, 7 handles.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified, but the present invention is not limited to following examples.
Peelable sheath pipe provided by the invention comprises a pipe 1, and its length is 20cm, and its internal diameter is 3.0mm; External diameter is 3.5mm; This pipe 1 is by forming along symmetric two the half-cylindrical pipes of its axis, and two half-cylindrical pipes cooperate through heat seal line, to form peelable structure; Be sealed with elastica 2 on the opening of pipe 1, its thickness is 0.5mm, and the center of this elastica 2 is provided with a through hole 3, and convergent divergent channel 4 can be inserted in this sheath pipe through through hole 3, and elastica 2 can stop the outflow of body inner blood simultaneously; Nearly its elastica 2 ends are connected with a side pipe 5 on the pipe 1, and the free-end of this side pipe 5 is provided with three-way cock 6, can pass through these side pipe 5 injection anticoagulation reagent such as heparin sodium so that anti-hemostasis-coagulation; The blind end of this pipe 1 (end of elastica 2 promptly is set) upwards be provided with 2 symmetric handles 7 week so that tear pipe 1 in the operation process, thereby shift out this sheath pipe external.
Peelable sheath pipe provided by the invention can be as the case may be, and the length of pipe 1 can be adjusted in the scope of 15cm~30cm, and its internal diameter and external diameter can be adjusted in the scope of 2.3mm~3.6mm and 2.5mm~3.7mm respectively; The thickness of elastica 2 can be 0.5mm~1.0mm.
When using peelable sheath pipe provided by the invention; At first this pipe 1 is fitted in one with convergent divergent channel 4; As shown in Figure 4; The tail end that to send into the guide wire of vein blood vessel is then seen off through convergent divergent channel 4, under the guide of guide wire and protection, should peelable sheath pipe and the convergent divergent channel assembly send into vein blood vessel together; Withdraw from convergent divergent channel 4 and guide wire, the three-way cock 6 suction sheath pipes through pipe 1 side pipe, gets rid of possible remaining bubble and thrombosis after, in the sheath pipe, inject and prevent the blood coagulation heparin saline; Sealing elastomeric membrane through hole 3 through pipe 1 is sent into the heart pacing electrode lead, and the operation lead effectively is positioned endocardial desired site under X line perspective; Assistant's fixed electrode lead; Operator is extracted pipe 1 after a little along electrode cable; 2 symmetric handles 7 of bimanualness pipe 1 tail end are torn the pipe tail end; Return on one side then and remove pipe 1,, separate into two halves up to pipe 1 and withdraw from external fully and break away from electrode cable Yi Bian tear the remainder of pipe 1; In the operation assistant continually and steadily the fixed electrode conduit prevent the displacement.

Claims (8)

1. peelable sheath pipe, it is characterized in that: said sheath pipe comprises pipe, and this pipe is by forming along symmetric two the half-cylindrical pipes of its axis, and said two half-cylindrical pipes are through the heat seal line cooperation; One opening of said pipe is sealed with elastica, and said elastica is provided with a through hole.
2. peelable sheath pipe according to claim 1 is characterized in that: the material of said pipe is plastics.
3. peelable sheath pipe according to claim 1 and 2 is characterized in that: the thickness of said elastica is 0.5mm~1.0mm.
4. according to arbitrary described peelable sheath pipe among the claim 1-3, it is characterized in that: the internal diameter of said pipe is 2.3mm~3.6mm, and external diameter is 2.5mm~3.7mm.
5. according to arbitrary described peelable sheath pipe among the claim 1-4, it is characterized in that: the length of said pipe is 15cm~30cm.
6. according to arbitrary described peelable sheath pipe among the claim 1-5, it is characterized in that: said through hole is located at the center of said elastica.
7. according to arbitrary described peelable sheath pipe among the claim 1-6, it is characterized in that: nearly its blind end is connected with side pipe on the said pipe, and the free-end of this side pipe is provided with three-way cock.
8. according to arbitrary described peelable sheath pipe among the claim 1-7, it is characterized in that: upwards be provided with 2 symmetric handles the week of the blind end of said pipe.
CN2012101073138A 2012-04-12 2012-04-12 Tearable sheathing canal Pending CN102641542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101073138A CN102641542A (en) 2012-04-12 2012-04-12 Tearable sheathing canal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101073138A CN102641542A (en) 2012-04-12 2012-04-12 Tearable sheathing canal

Publications (1)

Publication Number Publication Date
CN102641542A true CN102641542A (en) 2012-08-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101073138A Pending CN102641542A (en) 2012-04-12 2012-04-12 Tearable sheathing canal

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CN (1) CN102641542A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108815679A (en) * 2018-07-19 2018-11-16 首都医科大学附属北京世纪坛医院 A kind of peelable conduit of following cardiac resynchronization therapy multipurpose adjustable bending
CN110051915A (en) * 2019-05-07 2019-07-26 中国人民解放军陆军军医大学第二附属医院 A kind of disposable Deep venou perfusion tube band capped pipe core with heparin coating
CN110353778A (en) * 2019-07-30 2019-10-22 福建医科大学附属第一医院 One kind setting pipe guiding arrangement for lumbar puncture cavum subarachnoidale
CN113694346A (en) * 2021-07-05 2021-11-26 深圳麦普奇医疗科技有限公司 Percutaneous introducer for percutaneous hepatic puncture biliary drainage treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2531814Y (en) * 2002-01-01 2003-01-22 业聚医疗器械(深圳)有限公司 Disposable vaginal tube
WO2003047651A2 (en) * 2001-12-03 2003-06-12 Xtent, Inc. Apparatus and methods for delivery of multiple distributed stents
US20040236170A1 (en) * 2000-11-15 2004-11-25 Ducksoo Kim Method for surgically joining a ventricular assist device to the cardiovascular system of a living subject using a piercing introducer assembly
CN2843512Y (en) * 2005-12-06 2006-12-06 天津市塑料研究所 Pulled sheathing canal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040236170A1 (en) * 2000-11-15 2004-11-25 Ducksoo Kim Method for surgically joining a ventricular assist device to the cardiovascular system of a living subject using a piercing introducer assembly
WO2003047651A2 (en) * 2001-12-03 2003-06-12 Xtent, Inc. Apparatus and methods for delivery of multiple distributed stents
CN2531814Y (en) * 2002-01-01 2003-01-22 业聚医疗器械(深圳)有限公司 Disposable vaginal tube
CN2843512Y (en) * 2005-12-06 2006-12-06 天津市塑料研究所 Pulled sheathing canal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108815679A (en) * 2018-07-19 2018-11-16 首都医科大学附属北京世纪坛医院 A kind of peelable conduit of following cardiac resynchronization therapy multipurpose adjustable bending
CN110051915A (en) * 2019-05-07 2019-07-26 中国人民解放军陆军军医大学第二附属医院 A kind of disposable Deep venou perfusion tube band capped pipe core with heparin coating
CN110353778A (en) * 2019-07-30 2019-10-22 福建医科大学附属第一医院 One kind setting pipe guiding arrangement for lumbar puncture cavum subarachnoidale
CN113694346A (en) * 2021-07-05 2021-11-26 深圳麦普奇医疗科技有限公司 Percutaneous introducer for percutaneous hepatic puncture biliary drainage treatment

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: ZHANG YUXIAO

Effective date: 20120925

Owner name: CHINESE PLA GENERAL HOSPITAL

Free format text: FORMER OWNER: LU CAIYI

Effective date: 20120925

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20120925

Address after: 100853 Fuxing Road, Beijing, Haidian District, No. 28

Applicant after: General Hospital of Chinese PLA

Address before: 100853, No. 28, Fuxing Road, four, Beijing medical building, Haidian District, China

Applicant before: Lu Caiyi

Applicant before: Zhang Yuxiao

C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120822