CN107693083A - Adjustable blood vessel blocking device - Google Patents

Adjustable blood vessel blocking device Download PDF

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Publication number
CN107693083A
CN107693083A CN201711044326.4A CN201711044326A CN107693083A CN 107693083 A CN107693083 A CN 107693083A CN 201711044326 A CN201711044326 A CN 201711044326A CN 107693083 A CN107693083 A CN 107693083A
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CN
China
Prior art keywords
clamping
blood vessel
external member
blocking device
clamping part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711044326.4A
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Chinese (zh)
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CN107693083B (en
Inventor
杨波
张超
过菲
孙颖浩
陆小英
王富博
薛文俊
严新谊
肖亮
刘宏辉
金鑫
郝路
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Second Military Medical University SMMU
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Second Military Medical University SMMU
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Priority to CN201711044326.4A priority Critical patent/CN107693083B/en
Publication of CN107693083A publication Critical patent/CN107693083A/en
Application granted granted Critical
Publication of CN107693083B publication Critical patent/CN107693083B/en
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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
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • 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
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B17/1227—Spring clips
    • 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
    • A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The application provides a kind of adjustable blood vessel blocking device, including clamping body and clamping external member, the clamping body has multiple first location divisions, the clamping external member has the second location division, when the clamping body is held on blood vessel or the blood vessel and its tissue of surrounding, the clamping external member can be sheathed on the clamping body, and by making second location division be engaged from different first location divisions, to adjust the clamping external member and the relative position of the clamping part, and then adjust the chucking power of the clamping part.

Description

Adjustable blood vessel blocking device
Technical field
The invention relates to a kind of medicine equipment, more particularly to a kind of adjustable blood vessel blocking device.
Background technology
Behind gap of the conventional laparoscopic Shenbing mixture operation between separation kidney essence and perirenal fat, the hilus renalis need to be separated Locate adipose tissue, then follow the beating of the arteria renalis to find and position the arteria renalis, and after further vagina vasorum is opened, make It is put into instruments such as ultrasound knife, elastic separating plier, right angle forcepses with the fully free exposure arteria renalis, then by blood vessel blocking device.
However, because renal periarterial thin vessels enrich, free artery need to carry out fine operation, aforesaid operations step without Sense extension operating time, and increase bleeding risk.
Furthermore the chucking power of the block device currently used for clamping blood vessel can not be adjusted, if CBF is big in art, need The block device of one or more is added again, and adding artery occlusion folder then needs the free longer arteria renalis, it is bigger so as to provide Space, this measure can cause operation risk to increase, and not easy to operate.
In view of this, how a kind of blood vessel blocking folder is provided, is this to overcome variety of problems present in prior art Apply for technical problem to be solved.
The content of the invention
In view of the above problems, the main purpose of the application is to provide a kind of adjustable blood vessel blocking device, available for pressing from both sides Hold blood vessel or clamp blood vessel and its tissue of surrounding simultaneously, the time that free blood vessel is spent is reduced, so as to shorten operating time And reduce operation risk.
The another object of the application is to provide a kind of adjustable blood vessel blocking device, can adjust blood vessel blocking device on demand The chucking power applied, blood vessel is blocked to micro blood flow, during cutting tissue, neither cause to bleed profusely, it is appropriate in turn ensure that Blood supply, prevent the hot ischemic necrosis of tissue.
The further object of the application is to provide a kind of adjustable blood vessel blocking device, can adjusted in vitro by push-pull device at fixed The chucking power of blood vessel blocking folder is saved, without passing in and out operating theater instruments repeatedly, need not also increase the usage quantity of blood vessel blocking folder.
Embodiments herein provides a kind of adjustable blood vessel blocking device, for clamping blood vessel or the blood vessel and its week The tissue enclosed, it is characterised in that including clamping body and clamping external member, wherein, clamping body includes clamping part, and it is used to clamp The blood vessel or the blood vessel and its tissue of surrounding, the opposite sides of the clamping part have first surface and the second table respectively Face, and it is provided with multiple first location divisions at least one of the first surface and second surface；And actuation part, it connects Connect the clamping part, and the flexible part of the actuation part to be to provide elastic-restoring force, wherein, when the actuation part stress, The clamping part is in pre- clamp position, when the stress of the clamping part releases, provided by the elastic component described in Elastic-restoring force is so that the clamping part is in clamp position and clamps the blood vessel or the blood vessel and its tissue of surrounding；Folder Holding external member has the second location division；Wherein, when the clamping part is clamped in the blood vessel or the blood vessel and its tissue of surrounding When upper, the clamping external member can be sheathed on the clamping part along the first surface and second surface of the clamping part, led to Crossing is engaged any one of second location division and multiple described first location divisions, so that the clamping external member is positioned at On the clamping part, wherein, and by making second location division be engaged from different first location divisions, to adjust Clamping external member and the relative position of the clamping part are stated, and then adjusts the chucking power that the clamping part is applied.
Alternatively, in the embodiment of the present application, the clamping external member there is first set to hold portion hold portion with second set, and described The length that first set holds portion is more than second set of length for holding portion.
Alternatively, in the embodiment of the present application, the clamping body also has first to wear portion, and it is arranged at described first In the one of which of surface or the second surface, first portion of wearing has the first perforating, so that the first set is held Portion is arranged in first perforating and moved axially relative to first perforating, to adjust the clamping external member With the relative position of the clamping part.
Alternatively, in the embodiment of the present application, first perforating is additionally operable to limit the clamping external member relative to institute Clamping body is stated to be circumferentially rotated.
Alternatively, in the embodiment of the present application, the actuation part also has joint portion, for combination force applicator, To apply active force as the actuation part by the effect force applicator.
Alternatively, in the embodiment of the present application, in addition to pull bar, it is fixedly connected with the clamping external member, by institute State pull-push piece and apply active force, so that the pull bar drives the clamping external member relative to the clamping body movement.
Alternatively, in the embodiment of the present application, the actuation part also has second to wear portion, and second portion of wearing has Second perforating, so that the pull bar is arranged in second perforating.
Alternatively, in the embodiment of the present application, the pull bar has epitheca, and its fixation is arranged in second perforating In；Inner core, the near-end of the inner core are sheathed on described outer intrathecal, and the distal end of the inner core is fixedly connected with the clamping external member；With And handle, it is fixedly connected with the near-end of the inner core, and exposes to the surface of the epitheca, by acting on the handle application Power, so that the inner core moves relative to the epitheca, and the clamping external member is driven relative to the clamping body movement.
Alternatively, in the embodiment of the present application, the clamping part includes the first jig arm and the second jig arm, first jig arm Cooperated with second jig arm to clamp the blood vessel or the blood vessel and its tissue of surrounding, and the first surface is The outer surface of first jig arm, the second surface are the outer surface of second jig arm.
Alternatively, in the embodiment of the present application, the actuation part includes the first actuating unit and the second actuating unit, described First jig arm extends from one end of first actuating unit, and second jig arm extends from one end of second jig arm, institute State elastic component and connect first actuating unit and second actuating unit respectively.
From above technical scheme, the clamping body of the blood vessel blocking device of the application can be used for being clamped on blood vessel, or It is clamped in blood vessel and its tissue of surrounding, dissociates without carrying out blood vessel, effectively to reduce operating time and reduce operation wind Danger.
In addition, adjusting the chucking power that clamping body is applied by clamping external member, blood vessel is blocked to micro blood flow, group When knitting excision, neither cause to bleed profusely, in turn ensure that appropriate blood supply, prevent the hot ischemic necrosis of tissue, to ensure operation peace Entirely.
In addition, adjust clamping external member in vitro by setting pull bar and clamp the relative position between body, without Operating theater instruments is passed in and out repeatedly, the usage quantity of folder is also blocked without increasing, to facilitate operation.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Apply for some embodiments described in embodiment, for those of ordinary skill in the art, can also be obtained according to these accompanying drawings Obtain other accompanying drawings.
Figure 1A to Fig. 1 F is that each implementation of the first embodiment of the adjustable blood vessel blocking device of display the application illustrates It is intended to；
Fig. 2A to Fig. 2 D is that each implementation of the second embodiment of the adjustable blood vessel blocking device of display the application illustrates It is intended to；And
Fig. 3 is another embodiment schematic diagram of the clamping external member of the application.
Element numbers
1 adjustable blood vessel blocking device
11 clamping bodies
111 clamping parts
1111a first surfaces
The location divisions of 1112a first
The jig arm of 1113a first
1111b second surfaces
The location divisions of 1112b first
The jig arm of 1113b second
112 actuation parts
1121 elastic components
1122 joint portions
1123 second wear portion
11231 second perforatings
The actuating units of 1124a first
The actuating units of 1124b second
113 first wear portion
1131 first perforatings
12 clamping external members
121 second location divisions
122a first sets hold portion's (fixed arm)
Second set of 122b holds portion's (on-fixed arm)
1221 boss
1222 grooves
13 pull bars
131 epithecas
132 inner cores
133 handles
2 effect force applicator
21 location divisions
22 operating portions
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present application, below in conjunction with the application Accompanying drawing in embodiment, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described reality It is only the embodiment of the present application part of the embodiment to apply example, rather than whole embodiments.Based on the implementation in the embodiment of the present application Example, the every other embodiment that those of ordinary skill in the art are obtained, it should all belong to the scope that the embodiment of the present application is protected.
Figure 1A to Fig. 1 F is that each implementation of the first embodiment of the adjustable blood vessel blocking device of display the application illustrates It is intended to.The adjustable blood vessel blocking device 1 of the application can be used for clamping blood vessel, it can also be used to while clamp blood vessel and its surrounding Tissue, this design may be such that doctor need not completely dissociate in art and expose arteria renalis blood vessel, therefore, it is possible to reduce chorista The time spent with free blood vessel.
As shown in Figure 1A, it is the overall structure diagram for showing the adjustable blood vessel blocking device 1 of the application.As schemed Show, the adjustable blood vessel blocking device 1 of the application mainly includes clamping body 11 and clamping external member 12.
Please refer to Figure 1B and Fig. 1 C, which show the vertical of the clamping body 11 of the first embodiment of the application Body figure and side view.As illustrated, clamping body 11 has clamping part 111 and actuation part 112, clamping part 111 is used to provide folder The effect of holding, such as it is held on blood vessel or blood vessel and its tissue of surrounding.Furthermore distinguish in the opposite sides of clamping part 111 With first surface 1111a and second surface 1111b, and in the first surface 1111a and second surface 1111b at least One is provided with multiple first location divisions 1112.In the present embodiment, clamping part 111 includes the folders of the first jig arm 1113a and second Arm 1113b, the first jig arm 1113a and the second jig arm 1113b cooperate to clamp the blood vessel or the blood vessel and its surrounding Tissue, wherein, first surface 1111a be the first jig arm 1113a outer surface, second surface 1111b is the second jig arm (1113b outer surface.Specifically, the first jig arm 1113a and the second jig arm 1113b respectively has first surface and relative to institute The second surface of first surface is stated, the first surface refers to the first jig arm 1113a and the second jig arm 1113b contact surface, It is exactly two surfaces that gripped object is contacted under clamp position, and first surface 1111a and second surface 1111b refer to first Jig arm 1113a and the second jig arm 1113b second surface (i.e. outer surface).
Multiple first location divisions are provided with one at least within first surface 1111a or second surface 1111b 1112.In the present embodiment, as shown in Figure 1 C, multiple first location division 1112a are provided with first surface 1111a, in second Also multiple first location division 1112b are provided with the 1111b of surface.First location division 1112 can be continuously disposed in first surface On 1111a or second surface 1111b, to form corrugated band.
The connection clamping part 111 of actuation part 112, the also flexible part 1121 of actuation part 112, to provide elastic-restoring force, Wherein, when 112 stress of actuation part, clamping part 111 is in pre- clamp position, and when the stress of clamping part 111 releases, it can borrow Clamping part 111 is set to be in clamp position by the elastic-restoring force that elastic component 1121 is provided, to clamp the blood vessel or described The tissue of blood vessel and its surrounding.
In the present embodiment, actuation part 112 includes the first actuating unit 1124a and the second actuating unit 1124b, wherein, First jig arm 1113a extends from the first actuating unit 1124a one end, and the second jig arm 1113b is from the second jig arm 1113b one end Extension, and elastic component 1121 connects the first actuating unit 1124a and the second actuating unit 1124b respectively.In the present embodiment, bullet Property part 1121 is connected to the first actuating unit 1124a and the second actuating unit 1124b away from the first jig arm 1113a and second Jig arm 1113b one end, but be not limited thereto.In addition, elastic component 1121 may be configured as c-type or torsion spring form, so not with This is limited, and the elastic component 1121 of other structures is also applicable.
In another embodiment, actuation part 112 also has joint portion 1122 (as shown in Figure 1B), and it can be separately positioned on On one actuating unit 1124a and the second actuating unit 1124b, for combining an effect force applicator 2.Please refer to figure 1E, it is sleeved on through by the location division 21 for acting on force applicator 2 on the joint portion 1122 of actuation part 112, user can pass through behaviour Make portion 22 and apply active force for actuation part 112, so that the first actuating unit 1124a and the second actuating unit 1124b stress, and make Clamping part 111 is in pre- clamp position.Furthermore the location division 21 for acting on force applicator 2 can be relative to the joint portion of actuation part 112 1122 are rotated, with the angle between adjustment effect force applicator 2 and clamping body 11, so as to which convenient use person finds most preferably Position is operated.
In addition, as referring to figure 1E, because effect force applicator 2 has the operating portion extended, therefore, user can pass through work Clamping body 11 operated in the external of patient with force applicator 2.
Please refer to Fig. 1 D, it is the side view of the clamping external member 12 of the first embodiment of display the application.As schemed Show, clamping in external member 12 has the second location division 121, wherein, when clamping part 111 is clamped in the group of blood vessel or blood vessel and its surrounding When knitting, clamping external member 12 can be sheathed on clamping part along the first surface 1111a and second surface 1111b of clamping part 111 On 111, and by making the second location division 121 of clamping external member 12 and appointing in multiple first location divisions 1112 of clamping part 111 Meaning one be engaged so that clamping external member 12 be positioned on clamping part 111, wherein, can by make the second location division 121 from it is different The first location division 1112 cooperate, with the relative position of adjustment clamping external member 12 and clamping part 111, and then adjust clamping part 111 chucking powers applied.
Please refer to Figure 1A, in the present embodiment, when the second location division 121 is positioned on clamping part 111 further away from cause When on first location division 1112 in dynamic portion 112, then clamping part 111 in the presence of external member 12 is clamped, get over by the chucking power applied It is small；Conversely, when the second location division 121 is positioned on clamping part 111 on the first location division 1112 of actuation part 112, The chucking power that then clamping part 111 is applied is smaller, and thus, user can clamp external member 12 according to actual demand by adjusting With the relative position of clamping part 111, to adjust the structural clamping that clamping part 111 is clamped in blood vessel or blood vessel and its surrounding Power.
In the present embodiment, the second location division 121 may be designed as the band shape being engaged with the first location division 1112. Interlocked by the band of the first location division 1112 and the second location division 121, and can relative slip or locking.In addition, clamping external member 12 can clamp external member 12 and may be designed as U-shaped folder, torsion spring or flexure strip (as shown in Figure 3) as made by deformable material.
Please continue to refer to Fig. 1 D, in an embodiment, clamping external member 12 holds portion 122a with first set and second set is held portion 122b, and first set holds portion 122a length and is more than second set of length for holding portion 122b.It is corresponding please refer to Figure 1B, Portion 113 is worn in being additionally provided with first on clamping body 11, it may be disposed at its of first surface 1111a or second surface 1111b On middle one, in the present embodiment, first wears portion 113 to be arranged on first surface 1111a close to the one of actuation part 112 One boss at end, wears in first and the first perforating 1131 is additionally provided with portion 113, will clamp longer first in external member 12 Set holds portion 122a as fixed arm, and is arranged in the first perforating 1131 and carries out axial shifting relative to the first perforating 1131 It is dynamic (as shown in Figure 1A), so as to adjustment clamping external member 12 and the relative position of clamping part 111, and wear portion 113 by first can Clamping external member 12 is connected on clamping body 11, to be user-friendly for operating.
In the present embodiment, the first perforating 1131 may be configured as the non-circular shape such as rectangle, triangle, ellipse, This measure is in order that first set holds portion 122a after being arranged among the first perforating 1131, and it is relative can to limit clamping external member 12 Circumferentially rotated in clamping body 11, that is, only allow axial direction of the clamping external member 12 along clamping body 11 to move, But it can not be circumferentially rotated relative to clamping body 11, to keep mutual between retaining sleeve part 12 and clamping body 11 Orthogonal position, therefore user, when operating this apparatus, push-and-pull clamping external member 12, is clamped without rotating before and after only needing External member 12 carrys out adjustment position, to facilitate operation.
Please refer to Fig. 1 F, in another embodiment of the application, adjustable blood vessel blocking device 1 also includes pull bar 13, it is fixedly attached to clamping external member 12, by applying active force to pull-push piece 13, and pull bar 13 is driven clamping external member 12 Moved relative to the clamping body 11, whereby, user can be by pull bar 13 and in the external to clamping external member of patient 12 are operated.
Please refer to Figure 1A and Figure 1B, in an embodiment, clamping in the actuation part 112 of body 11 also has second to wear If portion 1123, and second wears the second perforating 11231 is additionally provided with portion 1123, so that the pull bar is arranged in described second In perforating.Can cause pull bar 13 and clamp external member 12 relative position be fixed, with facilitate by pull bar 13 and Indirect operation clamps external member 12.
Specifically, as referring to figure 1E, pull bar 13 also has epitheca 131, inner core 132 and handle 133.Wherein, epitheca 131 can fix and be arranged in second perforating 11231, and export trade 131 can not carry out week relative to the second perforating 11231 To rotation, can only be moved axially whereby with limiting pull bar 13 relative to the second perforating 11231.The near-end of inner core 132 It is sheathed on (i.e. close to one end of operator, that is, one end away from clamping external member 12) in epitheca 131, and inner core 132 is remote End is then fixedly attached in clamping external member 12, so that pull bar 13 is fixedly connected with clamping external member 12.And then fixation connects handle 133 The near-end of inner core 132 is connected to, and exposed (protrusion) can be by acting on the application of handle 133 in the surface of epitheca 131, user Power, so that inner core 132 moves inside epitheca 131 relative to epitheca 131, and clamping external member 12 is driven relative to clamping sheet Body 11 moves.
To sum up, when when using the adjustable blood vessel blocking device 1 of the application, user can apply by active force first Adjustable type blood vessel blocking device 1 is sent into patient's body by device 2, and is adjusting angle, and make clamping body 11 be clamped in blood vessel or After blood vessel and its tissue of surrounding, effect force applicator 2 is withdrawn from, is then grasped by pull bar 13 in the external of patient Make, with adjustment clamping external member 12 and the relative position between body 11 is clamped, so as to realize the regulation of the arm of force.
Fig. 2A to Fig. 2 D is that each implementation of the second embodiment of the adjustable blood vessel blocking device of display the application illustrates It is intended to.
The building block of the adjustable blood vessel blocking device 1 of the second embodiment of the application is substantially and first embodiment It is identical.Difference is, in present embodiment, second set of front end for holding portion 122b (on-fixed arm) of clamping external member 12 is provided with Boss 1221 (as shown in Figure 2 B), the second location division 121 are arranged on boss 1221, whereby with the location division 121 of increase by second with Contact area between first location division 1112, it is positioned at so that clamping external member 12 is more firm on clamping body 11.Furthermore in Also there is groove 1222 on boss 1221, the distal portions of the inner core 132 of pull bar 13 can be cooperated with groove 1222 (such as Screw thread coordinates, interference fit) so that the inner core 132 of pull bar 13 and clamping second set of external member 12 is held portion 122b and is fixedly connected. In addition, please refer to Fig. 2 C, second, which wears portion 1123, may be disposed at the second actuating unit 1124b close to the position of joint portion 1122 Put, so that the inner core 132 of pull bar 13 is arranged in the second perforating 11231, and pressed from both sides by the push-and-pull of inner core 132 of pull bar 13 Second set of boss 1221 for holding portion 122b (on-fixed arm) of external member 12 is held, to adjust chucking power that clamping part 111 applied (such as Shown in Fig. 2 D).
In summary, adjustable blood vessel blocking device provided herein, without completely free or exposure arteria renalis blood Pipe, after need to only isolating blood vessel, you can blood vessel and its tissue of surrounding are clamped together by clamping body, therefore blood can be saved Pipe free the spent time, to improve procedure efficiency, while reduce operation risk.
Furthermore it is described to adjust the chucking power that is applied of clamping body by clamping external member, blood vessel is blocked to micro Blood flow, during cutting tissue, neither cause to bleed profusely, in turn ensure that appropriate blood supply, the hot ischemic necrosis of tissue is prevented, to ensure Operation safety.
In addition, by setting pull bar, clamping external member can be adjusted in vitro and clamps the relative position between body, and nothing The usage quantity for blocking folder need to be increased, to facilitate operation.
Finally it should be noted that：Above example is only to illustrate the technical scheme of the embodiment of the present application, rather than it is limited System；Although the application is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：Its The technical scheme described in foregoing embodiments can still be modified, or which part technical characteristic is equal Replace；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the application Spirit and scope.

Claims (10)

  1. A kind of 1. adjustable blood vessel blocking device, for clamping blood vessel or the blood vessel and its tissue of surrounding, it is characterised in that Including：
    Body is clamped, it includes：
    Clamping part, it is used to clamp the blood vessel or the blood vessel and its tissue of surrounding, the opposite sides point of the clamping part Not Ju You first surface and second surface, and at least one of the first surface and second surface be provided with multiple first Location division；And
    Actuation part, it connects described clamping part, and the flexible part of the actuation part to be to provide elastic-restoring force, wherein, work as institute When stating actuation part stress, the clamping part is in pre- clamp position, when the stress of the clamping part releases, by the elasticity The elastic-restoring force that part is provided so that the clamping part be in clamp position and clamp the blood vessel or the blood vessel and Tissue around it；And
    External member is clamped, it has the second location division；Wherein,
    When the clamping part is clamped in the blood vessel or the blood vessel and its tissue of surrounding, the clamping external member can be along The first surface of the clamping part and second surface and be sheathed on the clamping part, by make second location division with it is multiple Any one of described first location division is engaged, so that the clamping external member is positioned on the clamping part, wherein, and pass through Second location division is set to be engaged from different first location divisions, to adjust the clamping external member and the clamping part Relative position, and then adjust the chucking power that the clamping part is applied.
  2. 2. adjustable blood vessel blocking device according to claim 1, it is characterised in that the clamping external member has first set Hold portion and hold portion with second set, and the first set holds the length in portion and is more than second set of length for holding portion.
  3. 3. adjustable blood vessel blocking device according to claim 2, it is characterised in that the clamping body also has first Portion is worn, it is arranged in the one of which of the first surface or the second surface, and first portion of wearing has first Perforating, it is arranged in first perforating for the first set portion of holding and is carried out axially relative to first perforating It is mobile, to adjust the clamping external member and the relative position of the clamping part.
  4. 4. adjustable blood vessel blocking device according to claim 3, it is characterised in that first perforating is additionally operable to limit The clamping external member is made to be circumferentially rotated relative to the clamping body.
  5. 5. adjustable blood vessel blocking device according to claim 1, it is characterised in that the actuation part, which also has, to be combined Portion, for combination force applicator, to apply active force as the actuation part by the effect force applicator.
  6. 6. adjustable blood vessel blocking device according to claim 1, it is characterised in that also including pull bar, its company of fixation The clamping external member is connect, by applying active force to the pull-push piece, so that the pull bar drives the clamping external member relative In the clamping body movement.
  7. 7. adjustable blood vessel blocking device according to claim 6, it is characterised in that the actuation part also has second to wear If portion, second portion of wearing has the second perforating, so that the pull bar is arranged in second perforating.
  8. 8. adjustable blood vessel blocking device according to claim 7, it is characterised in that the pull bar has：
    Epitheca, its fixation are arranged in second perforating；
    Inner core, the near-end of the inner core are sheathed on described outer intrathecal, and the distal end of the inner core is fixedly connected with the clamping external member；With And
    Handle, it is fixedly connected with the near-end of the inner core, and exposes to the surface of the epitheca, is made by applying to the handle Firmly, so that the inner core moves relative to the epitheca, and the clamping external member is driven relative to the clamping body movement.
  9. 9. adjustable blood vessel blocking device according to claim 1, it is characterised in that the clamping part includes the first jig arm With the second jig arm, first jig arm is cooperated with second jig arm to clamp the blood vessel or the blood vessel and its surrounding Tissue, and the first surface be first jig arm outer surface, the second surface be second jig arm appearance Face.
  10. 10. adjustable blood vessel blocking device according to claim 9, it is characterised in that the actuation part includes first and caused Moving cell and the second actuating unit, first jig arm extend from one end of first actuating unit, and second jig arm is certainly One end extension of second jig arm, the elastic component connect first actuating unit and second actuating unit respectively.
CN201711044326.4A 2017-10-31 2017-10-31 Adjustable vascular occlusion device Active CN107693083B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711044326.4A CN107693083B (en) 2017-10-31 2017-10-31 Adjustable vascular occlusion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711044326.4A CN107693083B (en) 2017-10-31 2017-10-31 Adjustable vascular occlusion device

Publications (2)

Publication Number Publication Date
CN107693083A true CN107693083A (en) 2018-02-16
CN107693083B CN107693083B (en) 2024-05-17

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JPH1176248A (en) * 1997-09-11 1999-03-23 Terumo Corp Bloodstream controlling apparatus
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