CN202654521U - Medical vessel sheath - Google Patents
Medical vessel sheath Download PDFInfo
- Publication number
- CN202654521U CN202654521U CN 201220045144 CN201220045144U CN202654521U CN 202654521 U CN202654521 U CN 202654521U CN 201220045144 CN201220045144 CN 201220045144 CN 201220045144 U CN201220045144 U CN 201220045144U CN 202654521 U CN202654521 U CN 202654521U
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- Prior art keywords
- pedestal
- sheath
- vagina vasorum
- end cap
- cap device
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- Expired - Lifetime
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Abstract
The utility model discloses a medical vessel sheath comprising an expansion tube (11), a sheath tube (12), a bypass three-way valve (13), a jacket (14), a pedestal (15) and a hemostasis valve (16). The medical vessel sheath also comprises an end cover device. The pedestal (15) is coated by a part of the jacket (14); the bypass three-way valve (13) is connected with the pedestal (15) to form a channel; the sheath tube (12) penetrates through the inner cavity of the pedestal (15); the hemostasis valve (16) is fixed between the end cover device and the pedestal (15); and the through cavity or hole of the end cover device, the through hole of the hemostasis valve (16), the inner cavity of the pedestal (15) and the inner cavity of the sheath tube (12) together constitute the inner cavity of the vessel sheath. When a surgical instrument in an intra-operation penetrates through the inner cavity of the vessel sheath, the end cover device drives the surgical instrument to be converted between a locking fixed state and a free state, or the end cover device keeps relative fixation so that the surgical instrument kept in the free state. The medical vessel sheath can be used for artery and also can be used for vena.
Description
Technical field
This utility model relates to a kind of Wicresoft intervene operation medical apparatus and instruments, relates in particular to a kind of vagina vasorum for percutaneous tranluminal coronary angioplasty (PTCA).
Background technology
Wicresoft's intervene operation refers to utilize the intervention apparatus such as conduit, support under various image documentation equipments instruct, and finishes the treatment to pathological changes in blood vessel or the cavity; Implement Wicresoft's interventional therapy and depend on various Wicresofts interventional medical device.Percutaneous tranluminal coronary angioplasty (Percutanous Transluminal CoronaryAngioplasty, PTCA) is a kind ofly to send into foley's tube with the percutaneous puncture method, expands Wicresoft's Surgery scheme of narrow or the blood vessel that blocks.Vagina vasorum is apparatus essential in this therapeutic scheme, is placed on a part in skin and the blood vessel, forms skin to the passage of blood vessel, so that other PTCA operating theater instruments, and such as guiding catheter, intravasation smoothly.
In some interventional therapy process, need and will be fixed from the apparatus that the vagina vasorum inner chamber passes through, prevent from sliding or rotating in a circumferential direction before and after the apparatus; Therefore, need vagina vasorum to have the fixing and locking function of various ways, treat needs to satisfy, and be convenient to safety operation.
Summary of the invention
The purpose of this utility model is to provide a kind of medical vagina vasorum, and it is simple in structure, and can be altered to flexibly two kinds of forms, and handling safety is effective.
The purpose of this utility model is achieved through the following technical solutions:
A kind of medical blood vessel sheath comprises convergent divergent channel, sheath pipe, dypass three-way valve, sheath, pedestal and haemostatic valve, also comprises end cap device;
Described end cap device links to each other with an end of described pedestal;
Described haemostatic valve is fixed between described end cap device and the described pedestal;
The other end of described sheath and described pedestal is nested, and makes described jacket portions wrap described pedestal;
Described dypass three-way valve also is connected on the described pedestal, and forms a passage with described pedestal; Described passage communicates with the inner chamber of described pedestal; Described dypass three-way valve is controlled the open and-shut mode of described passage;
Described sheath pipe passes the inner chamber of described pedestal, and driving fit between described sheath pipe outer wall and the described pedestal inner chamber;
Be provided with cavity or hole on the described end cap device, be provided with through hole on the described haemostatic valve; The common inner chamber that forms described vagina vasorum of the inner chamber of the through hole of the cavity of described end cap device or hole, described haemostatic valve, the inner chamber of described pedestal and described sheath pipe.
The purpose of this utility model is further perfect by following technical proposals:
Described end cap device comprises: bonnet, elastomer and connector; Be respectively arranged with the inner via hole that is communicated with into described end cap device cavity on described bonnet, elastomer and the connector; Described connector is connected with described pedestal, and described haemostatic valve is fixed between described connector and the described pedestal; Described bonnet and described connector are threaded connection, and described elastomer is fixed between described bonnet and the described connector.
Described end cap device is another porose bonnet of end face, and described another bonnet directly is connected with described pedestal; Described haemostatic valve is fixed between described another bonnet and the described pedestal.
Described haemostatic valve is made by the silica type elastomeric material; Through hole on the described haemostatic valve adopts cutting mode to make also can be closed under the elastic force effect; When operating theater instruments during by described haemostatic valve, after being opened, the through hole of described haemostatic valve contacts with the intimate of described operating theater instruments.
Described vagina vasorum is when beginning to enter human body, and described convergent divergent channel inserts from the free end of described end cap device, and exposes from the tip of described sheath pipe, makes described vagina vasorum enter human vas.
Described sheath pipe and described convergent divergent channel are the thinner Taper Pipe type of terminal thicker head end, and head end all is circular-arc.
Be with an aperture on the described sheath, when operation, by described aperture described vagina vasorum and human body skin stitching bundled, make described vagina vasorum keep relatively fixing.
Shape and the size of the part that is nested of described sheath and described pedestal are similar or identical, and be provided with groove on the described jacket inner surface, described pedestal outer surface corresponding positions is equipped with the projection that matches with described groove, when being nested of described sheath and described pedestal, described groove and described projection are combined together.
The diameter of effective inner chamber of described vagina vasorum is 1.3 millimeters to 3 millimeters.
Beneficial effect:
Vagina vasorum of the present utility model, simple in structure, and can be altered to flexibly two kinds of forms, select whether to use with the device that operating theater instruments is had fixed function according to the actual needs of intervene operation; Safe and effective, have better operability, and both can be used for tremulous pulse, also can be used for vein.
Description of drawings
Fig. 1 is the schematic appearance of an embodiment of vagina vasorum of the present utility model;
Fig. 2 is the generalized section of an embodiment of vagina vasorum of the present utility model;
Fig. 3 is the schematic appearance of another embodiment of vagina vasorum of the present utility model;
Fig. 4 is the generalized section of another embodiment of vagina vasorum of the present utility model;
Wherein,
11 convergent divergent channels; 12 sheath pipes; 13 dypass three-way valve; 14 sheaths; 15 pedestals; 16 haemostatic valve;
171 bonnets, 172 elastomers, 173 connectors; 271 another bonnets;
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, medical blood vessel sheath of the present utility model is further elaborated; Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
As shown in Figures 1 to 4, be the specific embodiment of medical blood vessel sheath of the present utility model; Described vagina vasorum comprises convergent divergent channel 11, sheath pipe 12, dypass three-way valve 13, sheath 14, pedestal 15, haemostatic valve 16 and end-cap assembly; Described end-cap assembly comprises: bonnet 171, elastomer 172 and connector 173;
The inner chamber of sheath 14 and pedestal 15 are nested, and sheath 14 parts wrap described pedestal 15;
Dypass three-way valve 13 is connected with pedestal 15, and forms a passage; Described passage communicates with the inner chamber of pedestal 15; The open and-shut mode of the described passage of dypass three-way valve 13 controls; In operation, can draw back blood or to intravascular injection medicine etc. by described passage.
Be provided with cavity or hole on the described end cap device, be provided with through hole on the haemostatic valve 16; The common inner chamber that forms described vagina vasorum of the inner chamber of the inner chamber of the through hole of the cavity of described end cap device or hole, haemostatic valve 16, pedestal 15 and sheath pipe 12; The inner chamber of described vagina vasorum is used for making other apparatuses of operation to pass through, such as seal wire, angiography catheter, guiding catheter, electrophysiologicalcatheter catheter, other catheter in blood vessel and some intervention apparatuses, instrument etc., even described vagina vasorum possesses channel function;
When the operating theater instruments in the intervene operation was passed through the inner chamber of vagina vasorum, described end cap device ordered about operating theater instruments and changes between the state of being locked and free state, or described end cap device keeps relatively fixedly making operating theater instruments to keep free state; Described end cap device both can possess the locking function to operating theater instruments, also can not possess, and can select according to the actual needs of intervene operation.
As shown in Figure 2, as a kind of embodiment, described end-cap assembly comprises bonnet 171, elastomer 172 and connector 173; Be respectively arranged with the inner via hole that is communicated with into described end cap device cavity on bonnet 171, elastomer 172 and the connector 173; Connector 173 is connected with pedestal 15, and haemostatic valve 16 is fixed between connector 173 and the pedestal 15;
Bonnet 171 is threaded connection with connector 173, and elastomer 172 is fixed between bonnet 171 and the connector 173; When the inner chamber of operating theater instruments by described vagina vasorum, rotation bonnet 171, elastomer 172 is extruded, and makes the inner via hole of elastomer 172 inwardly hold operating theater instruments tightly, and making that operating theater instruments is relatively fixing can't forward-reverse and rotate in a circumferential direction; Opposite spin bonnet 171, elastomer 172 reduction makes its inner via hole unclamp operating theater instruments, but makes again forward-reverse and rotating in a circumferential direction of operating theater instruments;
Further, in the present embodiment, when apparatus was arranged by vagina vasorum, the bonnet 171 that turns clockwise was locked operating theater instruments, is rotated counterclockwise bonnet 171, made its inner via hole unclamp operating theater instruments, the reduction free state.
As another kind of embodiment, as shown in Figure 3 and Figure 4, described end cap device includes only another porose bonnet 271 of end face, and another bonnet 271 directly is connected with pedestal 15; Haemostatic valve 16 is fixed between another bonnet 271 and the pedestal 15; This embodiment makes described vagina vasorum only possess the function of passage, does not possess the function that is locked to operating theater instruments in the aforementioned embodiments; In the intervene operation that does not need locking function, can simplify structure and the operational approach of vagina vasorum, provide maximum convenience to medical personnel.
Preferably, such as Fig. 2 and shown in Figure 4, the haemostatic valve 16 in the present embodiment is made by the silica type elastomeric material; Through hole on the described haemostatic valve 16 adopts cutting mode to make also can be closed under the elastic force effect;
When operating theater instruments during by described haemostatic valve 16, after being opened, the through hole of described haemostatic valve 16 contacts with the intimate of described operating theater instruments, and anti-Hemostatic Oral Liquid spills;
Further, when operating theater instruments is not passed through haemostatic valve 16, its through hole keeps air-tight state, when operating theater instruments is passed through haemostatic valve 16, but its through hole passive open, being convenient to operating theater instruments passes through, simultaneously, because the elasticity of haemostatic valve 16 self makes its through hole hold the outer surface of operating theater instruments tightly under the effect of resilience force, make the vagina vasorum inner chamber remain herein air-tight state, reach the purpose that prevents that blood from flowing out.
Preferably, such as Fig. 2 and shown in Figure 4, vagina vasorum is when beginning to enter human body, and convergent divergent channel 11 inserts from the free end of described end cap device, and exposes from the tip of sheath pipe 12, makes described vagina vasorum enter more smoothly human vas.
Preferably, sheath pipe 12 and convergent divergent channel 11 be the thinner Taper Pipe type of terminal thicker head end, and head end all is tapered and with smooth circular arc type transition, can reduce vagina vasorum and enter behind the human body damage to blood vessel wall.
Preferably, as shown in Figures 1 to 4, be with an aperture on the sheath 14, when operation, by described aperture described vagina vasorum and human body skin stitching bundled, make described vagina vasorum keep motionless.
Further, such as Fig. 2 and shown in Figure 4, shape and the size of the part that is nested of sheath 14 and pedestal 15 are similar or identical, and be provided with groove on sheath 14 inner surfacies, pedestal 15 outer surface corresponding positions are equipped with the projection that matches with described groove, and when being nested of sheath 14 and pedestal 15, described groove and described projection are combined together, make like this between sheath 14 and the pedestal 15 to be connected firmly, do not come off.
Preferably, the diameter of effective inner chamber of described vagina vasorum is 1.3 millimeters to 3 millimeters.
Vagina vasorum in the present embodiment, simple in structure, easy to use, have two kinds of assembling forms; Can be by the concrete condition of medical worker according to operation, whether select need to be with making the be locked vagina vasorum of function of operating theater instruments, and can only change end cap device and can between the vagina vasorum of two kinds of forms, change, make it simple to operate, provide great convenience to medical personnel.
Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to this utility model and not break away from the spirit and scope of the present invention.Like this, if of the present utility model these revise and modification belongs within the scope of this utility model claim and equivalent technologies thereof, then this utility model also is intended to comprise these changes and modification.
Claims (9)
1. a medical blood vessel sheath comprises convergent divergent channel (11), sheath pipe (12), dypass three-way valve (13), sheath (14), pedestal (15) and haemostatic valve (16), it is characterized in that: also comprise end cap device;
Described end cap device links to each other with an end of described pedestal (15); Described haemostatic valve (16) is fixed between described end cap device and the described pedestal (15); Described sheath (14) is nested with the other end of described pedestal (15), makes described sheath (14) part wrap described pedestal (15);
Described dypass three-way valve (13) also is connected on the described pedestal (15), and forms a passage with described pedestal (15); Described passage communicates with the inner chamber of described pedestal (15), the open and-shut mode of the described passage of described dypass three-way valve (13) control;
Described sheath pipe (12) passes the inner chamber of described pedestal (15), and driving fit between described sheath pipe (12) outer wall and described pedestal (15) inner chamber;
Be provided with cavity or hole on the described end cap device, described haemostatic valve is provided with through hole on (16); The common inner chamber that forms described vagina vasorum of the inner chamber of the inner chamber of the through hole of the cavity of described end cap device or hole, described haemostatic valve (16), described pedestal (15) and described sheath pipe (12).
2. vagina vasorum according to claim 1 is characterized in that:
Described end cap device comprises: bonnet (171), elastomer (172) and connector (173); Be respectively arranged with the inner via hole that is communicated with into described end cap device cavity on described bonnet (171), elastomer (172) and the connector (173); Described connector (173) is connected with described pedestal (15), and described haemostatic valve (16) is fixed between described connector (173) and the described pedestal (15);
Described bonnet (171) is threaded connection with described connector (173), and described elastomer (172) is fixed between described bonnet (171) and the described connector (173).
3. vagina vasorum according to claim 1 is characterized in that:
Described end cap device is porose another bonnet (271) of end face, and described another bonnet (271) directly is connected with described pedestal (15); Described haemostatic valve (16) is fixed between described another bonnet (271) and the described pedestal (15).
4. the described vagina vasorum of any one in 3 according to claim 1 is characterized in that:
Described haemostatic valve (16) is made by the silica type elastomeric material; Through hole on the described haemostatic valve (16) adopts cutting mode to make also can be closed under the elastic force effect;
When operating theater instruments during by described haemostatic valve (16), after being opened, the through hole of described haemostatic valve (16) contacts with the intimate of described operating theater instruments.
5. vagina vasorum according to claim 1 is characterized in that:
Described vagina vasorum is when beginning to enter human body, and described convergent divergent channel (11) inserts from the free end of described end cap device, and exposes from the tip of described sheath pipe (12), makes described vagina vasorum enter human vas.
6. vagina vasorum according to claim 5 is characterized in that:
Described sheath pipe (12) and described convergent divergent channel (11) are the Taper Pipe type that end is thick, head end is thinner, and head end all is circular-arc.
7. vagina vasorum according to claim 1 is characterized in that:
Described sheath is with an aperture on (14), by described aperture described vagina vasorum and human body skin stitching is bundled when operation, makes described vagina vasorum keep relatively fixing.
8. it is characterized in that according to claim 1 or 7 described vagina vasorums:
Shape and the size of the part that is nested of described sheath (14) and described pedestal (15) are similar or identical, and be provided with groove on described sheath (14) inner surface, the relevant position on described pedestal (15) outer surface is provided with the projection that matches with described groove; When being nested of described sheath (14) and described pedestal (15), described groove and described projection are combined together.
9. vagina vasorum according to claim 1 is characterized in that:
The diameter of effective inner chamber of described vagina vasorum is 1.3 millimeters to 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220045144 CN202654521U (en) | 2012-02-13 | 2012-02-13 | Medical vessel sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220045144 CN202654521U (en) | 2012-02-13 | 2012-02-13 | Medical vessel sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654521U true CN202654521U (en) | 2013-01-09 |
Family
ID=47449463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220045144 Expired - Lifetime CN202654521U (en) | 2012-02-13 | 2012-02-13 | Medical vessel sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654521U (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736195A (en) * | 2014-01-13 | 2014-04-23 | 厦门鑫康顺医疗科技有限公司 | Sterile catheter sheath |
| CN103751900A (en) * | 2014-01-13 | 2014-04-30 | 厦门鑫康顺医疗科技有限公司 | Sterile catheter sheath |
| CN103830829A (en) * | 2014-02-21 | 2014-06-04 | 厦门鑫康顺医疗科技有限公司 | Medical lacerable sheath with irrigation and hemostasis functions |
| CN104147678A (en) * | 2014-08-15 | 2014-11-19 | 汕头大学医学院第一附属医院 | Artery sheath capable of collecting residual liquid |
| CN104174107A (en) * | 2013-05-21 | 2014-12-03 | 北京迪玛克医药科技有限公司 | Novel vessel sheath |
| CN105854102A (en) * | 2016-04-15 | 2016-08-17 | 董鹏 | Reverse flow turning tube and method for operating same |
| CN106510778A (en) * | 2016-12-14 | 2017-03-22 | 陈飞 | Novel tearable vein sheath |
| WO2017193620A1 (en) * | 2016-05-13 | 2017-11-16 | 广州新诚生物科技有限公司 | Bendable puncture sheath |
| CN107362438A (en) * | 2017-07-05 | 2017-11-21 | 佛山杰致信息科技有限公司 | A kind of reverse vagina vasorum |
| CN109646789A (en) * | 2019-01-28 | 2019-04-19 | 中国人民解放军陆军军医大学第附属医院 | Safety-type vagina vasorum device |
| CN111374732A (en) * | 2018-12-29 | 2020-07-07 | 上海微创龙脉医疗器材有限公司 | Hemostatic valve and delivery system |
| CN112401973A (en) * | 2020-11-19 | 2021-02-26 | 上海腾复医疗科技有限公司 | Multifunctional sheath tube |
| CN113017767A (en) * | 2016-06-08 | 2021-06-25 | 深圳市科奕顿生物医疗科技有限公司 | Interventional medical instrument conveying system and method |
| CN113181504A (en) * | 2021-04-07 | 2021-07-30 | 湖南博润医疗器械有限公司 | Vascular sheath group |
| CN114247030A (en) * | 2020-09-19 | 2022-03-29 | Tau-Pnu医疗有限公司 | Changeable catheter sheath |
| CN114588475A (en) * | 2022-02-24 | 2022-06-07 | 浙江巴泰医疗科技有限公司 | Medical sheath tube device |
| CN115227942A (en) * | 2022-07-29 | 2022-10-25 | 浙江迪远医疗器械有限公司 | Sheath device |
| CN116570830A (en) * | 2023-05-30 | 2023-08-11 | 北京管桥医疗科技有限公司 | Vascular sheath hemostasis valve and medical instrument |
-
2012
- 2012-02-13 CN CN 201220045144 patent/CN202654521U/en not_active Expired - Lifetime
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174107A (en) * | 2013-05-21 | 2014-12-03 | 北京迪玛克医药科技有限公司 | Novel vessel sheath |
| CN103736195B (en) * | 2014-01-13 | 2018-07-03 | 厦门鑫康顺医疗科技有限公司 | A kind of sterile catheter sheath |
| CN103751900A (en) * | 2014-01-13 | 2014-04-30 | 厦门鑫康顺医疗科技有限公司 | Sterile catheter sheath |
| CN103736195A (en) * | 2014-01-13 | 2014-04-23 | 厦门鑫康顺医疗科技有限公司 | Sterile catheter sheath |
| CN103830829A (en) * | 2014-02-21 | 2014-06-04 | 厦门鑫康顺医疗科技有限公司 | Medical lacerable sheath with irrigation and hemostasis functions |
| CN104147678A (en) * | 2014-08-15 | 2014-11-19 | 汕头大学医学院第一附属医院 | Artery sheath capable of collecting residual liquid |
| CN105854102B (en) * | 2016-04-15 | 2018-04-06 | 董鹏 | Reverse shunt tube and its operating method |
| CN105854102A (en) * | 2016-04-15 | 2016-08-17 | 董鹏 | Reverse flow turning tube and method for operating same |
| WO2017193620A1 (en) * | 2016-05-13 | 2017-11-16 | 广州新诚生物科技有限公司 | Bendable puncture sheath |
| CN113017767A (en) * | 2016-06-08 | 2021-06-25 | 深圳市科奕顿生物医疗科技有限公司 | Interventional medical instrument conveying system and method |
| CN106510778A (en) * | 2016-12-14 | 2017-03-22 | 陈飞 | Novel tearable vein sheath |
| CN106510778B (en) * | 2016-12-14 | 2024-02-20 | 河北医科大学第二医院 | Novel tearable venous sheath |
| CN107362438A (en) * | 2017-07-05 | 2017-11-21 | 佛山杰致信息科技有限公司 | A kind of reverse vagina vasorum |
| CN111374732A (en) * | 2018-12-29 | 2020-07-07 | 上海微创龙脉医疗器材有限公司 | Hemostatic valve and delivery system |
| CN109646789A (en) * | 2019-01-28 | 2019-04-19 | 中国人民解放军陆军军医大学第附属医院 | Safety-type vagina vasorum device |
| CN109646789B (en) * | 2019-01-28 | 2024-03-08 | 中国人民解放军陆军军医大学第一附属医院 | Safety vascular sheath device |
| CN114247030A (en) * | 2020-09-19 | 2022-03-29 | Tau-Pnu医疗有限公司 | Changeable catheter sheath |
| CN112401973A (en) * | 2020-11-19 | 2021-02-26 | 上海腾复医疗科技有限公司 | Multifunctional sheath tube |
| CN112401973B (en) * | 2020-11-19 | 2022-09-27 | 上海腾复医疗科技有限公司 | Multifunctional sheath tube |
| CN113181504A (en) * | 2021-04-07 | 2021-07-30 | 湖南博润医疗器械有限公司 | Vascular sheath group |
| CN114588475A (en) * | 2022-02-24 | 2022-06-07 | 浙江巴泰医疗科技有限公司 | Medical sheath tube device |
| CN115227942A (en) * | 2022-07-29 | 2022-10-25 | 浙江迪远医疗器械有限公司 | Sheath device |
| CN116570830A (en) * | 2023-05-30 | 2023-08-11 | 北京管桥医疗科技有限公司 | Vascular sheath hemostasis valve and medical instrument |
| CN116570830B (en) * | 2023-05-30 | 2024-03-22 | 北京管桥医疗科技有限公司 | Vascular sheath hemostasis valve and medical instrument |
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Granted publication date: 20130109 |