CN108567462B - Hemostatic clamp - Google Patents
Hemostatic clamp Download PDFInfo
- Publication number
- CN108567462B CN108567462B CN201710130373.4A CN201710130373A CN108567462B CN 108567462 B CN108567462 B CN 108567462B CN 201710130373 A CN201710130373 A CN 201710130373A CN 108567462 B CN108567462 B CN 108567462B
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- Prior art keywords
- clamping
- arm
- arms
- movable
- clamping arm
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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
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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
- 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
Abstract
The invention discloses a hemostatic clamp which comprises a clamping arm, wherein the clamping arm comprises a fixed clamping arm and a movable clamping arm; the number of the movable clamping arms is more than 1; the tail end of the fixed clamping arm is connected with the tail end of the movable clamping arm; the fixed clamping arms are respectively matched with the movable clamping arms to form more than 1 clamping unit; each movable clamping arm independently carries out arc reciprocating motion relative to the fixed clamping arm to form independent opening and closing of the corresponding clamping unit. The clamping units are independently opened and closed, so that one side or a plurality of sides of the wound can be clamped during wound treatment, then the wound is pulled to the other side, and finally the whole wound is clamped, so that hemostasis is achieved. The hemostatic bag is absent in the prior art, solves the problem of hemostasis on a large wound, and greatly facilitates the operation of a doctor.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a hemostatic clamp.
Background
At present, with the development of medical technology, endoscopes are applied not only to disease diagnosis but also to disease treatment, and whether the treatment effect is effective and reliable or not. Tissue organs of the stomach, intestinal tract, nasal cavity and the like of living beings often bleed due to various diseases or accidents. Wherein, the mechanical hemostasis of the hemostatic clamp under the endoscope only causes the minimal damage of the mucous membrane around the wound, can directly clamp and close the hemorrhagic blood vessel and the focus, is widely applied in the endoscope treatment, and has great significance.
However, the range of wound treatment of existing hemostatic clips is often limited by the length of the clamping arms of the hemostatic clip and the opening angle of the clamping arms, such as the hemostatic clip disclosed in patent CN201410222753, see fig. 1. Thus failing to address the treatment of large wounds. Even if the hemostatic clip with longer holding arms and a larger opening angle is used to meet the requirement of treating a large wound, the hemostatic clip also causes inconvenience to the operation of a doctor, even brings pain to a patient and causes further damage.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is how to perform hemostasis on larger wounds without increasing the length and the opening angle of the clamping arms of the hemostatic clamp.
In order to achieve the aim, the invention provides a hemostatic clamp which comprises a clamping arm, wherein the clamping arm comprises a fixed clamping arm and a movable clamping arm; the number of the movable clamping arms is more than 1; the tail end of the fixed clamping arm is connected with the tail end of the movable clamping arm; the fixed clamping arms are respectively matched with the movable clamping arms to form more than 1 clamping unit; each movable clamping arm independently carries out arc reciprocating motion relative to the fixed clamping arm to form independent opening and closing of the corresponding clamping unit.
In one embodiment, the number of fixed clamp arms is 1; the number of the movable clamping arms is 2, the movable clamping arms are respectively arranged at the left side and the right side of the fixed clamping arms, and the number of the formed clamping units is 2.
Furthermore, the occlusion front ends of the fixed clamping arms are of V-shaped structures and are respectively matched with the occlusion front ends of the two movable clamping arms.
Furthermore, the V-shaped structure at the front occlusion end of the fixed clamping arm is respectively matched with the front occlusion ends of the two movable clamping arms in a zigzag manner.
Furthermore, the side wall of the clamping arm is gradually widened from the front end to the tail end.
In another embodiment, the number of fixed clamp arms is 1; the number of the movable clamping arms is 3, the movable clamping arms are respectively arranged around the fixed clamping arms, and the number of the formed clamping units is 3.
Furthermore, the occlusion front ends of the fixed clamping arms are Y-shaped structures and are respectively matched with the occlusion front ends of the 3 movable clamping arms.
Furthermore, the Y-shaped structure of the occlusion front end of the fixed clamping arm is respectively matched with the occlusion front ends of the 3 movable clamping arms in a zigzag manner.
Further, the device also comprises control elements, and the number of the control elements is the same as that of the movable clamping arms; the handling elements are arranged in a one-to-one correspondence with the movable gripping arms, so that each handling element operates its corresponding movable gripping arm individually.
Further, the clamping device also comprises a clamping seat connected with the clamping arm.
The beneficial effects are that:
each movable clamping arm independently carries out arc reciprocating motion relative to the fixed clamping arm to form independent opening and closing of the clamping unit corresponding to the movable clamping arm, which shows that each clamping unit can be in a closed state and an open state according to needs. In the endoscopic treatment, for a larger wound, the first clamping unit is used for clamping one side of the wound, and then the clamped side of the wound is pulled to move towards the other side, so that the movable clamping arm of the second clamping unit can touch the other side of the wound, the other side of the wound is clamped by the second clamping unit, and the hemostasis treatment operation of the wound, which is longer than the arm length of the clamping arm, is completed. When the wound is larger, a hemostatic clamp with a third clamping unit may be adopted, and the operation is similar. Just because each clamping unit is opened and closed independently, the wound can be treated by clamping one side or a plurality of sides of the wound, then pulling the other side, and finally clamping the whole wound to finish hemostasis. Which is not available in the prior art, greatly facilitates the operation of doctors.
The V-shaped structure and the Y-shaped structure are designed for matching with 2 or 3 movable clamping arms. The saw-toothed fit is also for better engagement, increasing friction. The side wall of the clamping arm is gradually widened from the front end to the tail end, so that the strength of the root of the clamping arm is enhanced, and meanwhile, the smoothness and the over-bending property of the clamping arm are not lost.
The manipulation elements are arranged to be connected with the movable clamping arms in a one-to-one correspondence, which facilitates the independent operation of each manipulation element on its corresponding movable clamping arm, thereby enabling the clamping units to be opened and closed independently of each other.
The main differences between the present invention and the prior art, as well as the conception, specific structure and technical effects of the present invention will be further described in the following with reference to the accompanying drawings, so as to fully understand the objects, features and effects of the present invention.
Drawings
Fig. 1 is a schematic structural view of a clamping portion of a hemostatic clamp according to the prior art.
Fig. 2 is a schematic structural view of a clamping portion of a hemostatic clip according to an embodiment of the present invention.
Detailed Description
Fig. 1 shows the general structure of the clamping portion of a prior art hemostatic clip. As can be seen from fig. 1, the hemostatic clamp comprises two movable clamping arms 2, and the clamping task is completed by controlling the opening and closing of the two movable clamping arms 2. In operation, the range of wound sizes treated is limited by the arm length and the opening angle of the movable clamp arms, and thus larger wounds cannot be treated.
Example 1
Fig. 2 shows the general structure of the clamping portion of a hemostatic clip according to one embodiment of the present invention. As can be seen from fig. 2, the blood stopping clip in this embodiment comprises a fixed holding arm 1 and two movable holding arms 2 respectively arranged at both sides of the fixed holding arm 1. The tail end of the fixed clamping arm 1 is connected with the tail end of the movable clamping arm 2. The front occlusion end 11 of the fixed clamping arm 1 is in a V-shaped structure, so that the front occlusion ends of the two movable clamping arms 2 can be respectively matched with each other. The fixed clamping arm 1 is matched with each movable clamping arm 2 respectively to form 2 clamping units 3; each movable clamping arm 2 independently performs arc reciprocating motion relative to the fixed clamping arm 1 to form independent opening and closing of the corresponding clamping unit 3.
When hemostasis is performed on a large wound, one of the movable clamping arms 2 is operated firstly, so that the clamping unit 3 formed by the movable clamping arm and the fixed clamping arm 1 clamps one side of the wound. And then pulls the side of the wound that has been clamped to move to the other side, thereby allowing the other movable clamping arm 2 to touch the other side of the wound. The movable clamping arm 2 positioned at the other side of the wound is operated, so that the other side of the wound is clamped by the other clamping unit 3 formed by the movable clamping arm and the fixed clamping arm 1, and the hemostasis treatment operation of the wound which is longer than the arm length of the clamping arm is completed.
Example 2
The hemostatic clamp of this embodiment includes a fixed clamp arm and 3 movable clamp arms disposed around the fixed clamp arm. The front end of the fixed clamping arm is of a Y-shaped structure, so that the front end of the fixed clamping arm can be respectively matched with the front ends of the 3 movable clamping arms to form 3 clamping units. The rest is the same as example 1.
Theoretically, the number of the movable clamping arms can be infinite, and the design principle is the same as that of embodiments 1 and 2, which is not described again here. In practice, 2 or 3 movable clamping arms can meet the current requirements.
Example 3
On the basis of the embodiments 1 and 2, the hemostatic clamp can be designed more finely, for example, the embodiment designs a zigzag structure on the V-shaped structure or the Y-shaped structure of the occlusion front end of the fixed clamping arm; respectively in zigzag fit with the occlusion front ends of the corresponding 2 or 3 movable clamping arms.
In addition, the hemostatic clamp in this embodiment further includes a manipulation member and a clamp seat connected to the clamping arm. The number of the control elements is the same as that of the movable clamping arms; the handling elements are arranged in a one-to-one correspondence with the movable gripping arms, so that each handling element operates its corresponding movable gripping arm individually.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (4)
1. A hemostatic clamp comprises a clamping arm, and is characterized in that the clamping arm comprises a fixed clamping arm and a movable clamping arm; the number of the fixed clamping arms is 1; the number of the movable clamping arms is 3; the tail end of the fixed clamping arm is connected with the tail end of the movable clamping arm; the fixed clamping arms are matched with the movable clamping arms respectively to form 3 clamping units; each activity centre gripping arm is independent carry out the pitch arc reciprocating motion for fixed centre gripping arm forms and corresponds it the independent switching of clamping unit, the interlock front end of fixed centre gripping arm is Y font structure, respectively with the interlock front end of 3 activity centre gripping arms matches.
2. The hemostatic clip of claim 1, wherein the Y-shaped configuration of the engagement front ends of the fixed gripping arms is in a zigzag configuration with the engagement front ends of the 3 movable gripping arms.
3. The hemostatic clip of claim 1, further comprising as many manipulation elements as there are movable clamping arms; the manipulation elements are arranged to be connected in a one-to-one correspondence with the movable gripper arms such that each manipulation element operates its corresponding movable gripper arm individually.
4. The hemostatic clip of claim 1, further comprising a clip seat connected to the clip arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710130373.4A CN108567462B (en) | 2017-03-07 | 2017-03-07 | Hemostatic clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710130373.4A CN108567462B (en) | 2017-03-07 | 2017-03-07 | Hemostatic clamp |
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CN108567462A CN108567462A (en) | 2018-09-25 |
CN108567462B true CN108567462B (en) | 2021-05-11 |
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CN201710130373.4A Active CN108567462B (en) | 2017-03-07 | 2017-03-07 | Hemostatic clamp |
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Citations (2)
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CN202365889U (en) * | 2011-12-09 | 2012-08-08 | 乔秀萍 | Novel uterus traction forceps |
CN203576612U (en) * | 2013-11-29 | 2014-05-07 | 虎群盛 | Novel fracture reduction and fixation clamp |
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US5217473A (en) * | 1989-12-05 | 1993-06-08 | Inbae Yoon | Multi-functional instruments and stretchable ligating and occluding devices |
US20050277956A1 (en) * | 2004-06-14 | 2005-12-15 | Francese Jose L | Clip storage for endoscopic clip applier |
CN200980697Y (en) * | 2006-12-09 | 2007-11-28 | 唐晓龙 | Unsymmetrical haemostatic clamp |
EP2630923B1 (en) * | 2008-06-19 | 2015-02-11 | Boston Scientific Scimed, Inc. | Hemostatic clipping devices |
JP2010125200A (en) * | 2008-11-28 | 2010-06-10 | Mizutec:Kk | Medical grasping device |
EP2627263B1 (en) * | 2010-10-11 | 2016-12-07 | Cook Medical Technologies LLC | Medical devices with pivotable jaws |
CN202096261U (en) * | 2011-04-11 | 2012-01-04 | 申屠叶菲 | Three-leaf fan-shaped forceps |
CN202051767U (en) * | 2011-05-03 | 2011-11-30 | 西安同享医疗科技有限公司 | Novel guidance cervical clamp |
AU2012315597B2 (en) * | 2011-09-30 | 2016-01-07 | Bioventrix, Inc. | Trans-catheter ventricular reconstruction structures, methods, and systems for treatment of congestive heart failure and other conditions |
JP5480454B1 (en) * | 2012-07-20 | 2014-04-23 | オリンパスメディカルシステムズ株式会社 | Hemostatic clip |
CN103989500B (en) * | 2014-05-23 | 2015-11-18 | 南京微创医学科技有限公司 | A kind of hemostatic clamp |
CN104042305A (en) * | 2014-05-29 | 2014-09-17 | 白少华 | Precision forceps for exploring bile duct |
CN204072210U (en) * | 2014-09-24 | 2015-01-07 | 四川大学 | Degradable hemostatic clamp |
CN205234563U (en) * | 2015-12-10 | 2016-05-18 | 新昌县中柱塑业有限公司 | Novel hemostatic clamp |
CN105935304B (en) * | 2016-03-30 | 2018-05-04 | 北京龙淼医疗器械有限公司 | A kind of hemostatic clamp |
CN206044676U (en) * | 2016-06-14 | 2017-03-29 | 新疆医科大学附属肿瘤医院 | A kind of G types hemostatic clamp |
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2017
- 2017-03-07 CN CN201710130373.4A patent/CN108567462B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202365889U (en) * | 2011-12-09 | 2012-08-08 | 乔秀萍 | Novel uterus traction forceps |
CN203576612U (en) * | 2013-11-29 | 2014-05-07 | 虎群盛 | Novel fracture reduction and fixation clamp |
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CN108567462A (en) | 2018-09-25 |
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