CN104248461A - Clamp, clamp feeding device and hemostatic clamp - Google Patents
Clamp, clamp feeding device and hemostatic clamp Download PDFInfo
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- CN104248461A CN104248461A CN201410496144.0A CN201410496144A CN104248461A CN 104248461 A CN104248461 A CN 104248461A CN 201410496144 A CN201410496144 A CN 201410496144A CN 104248461 A CN104248461 A CN 104248461A
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- clamp
- connecting rod
- intermediate plate
- projection
- pipe
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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
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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
- A61B17/1227—Spring clips
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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
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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)
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- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a clamp, a clamp feeding device and a hemostatic clamp. The clamp comprises clamp sheets, a clamp tube and a connecting rod. The rear tube hole of the clamp tube is provided with an inner stop ring inside, the rear surface of the inner stop ring forms a locking plane, after the clamp sheets are accommodated into the clamp tube, anti-slip teeth of the tails of the clamp sheets are fastened with the locking plane to form matched locking, and the clamp sheets are prevented from slipping forwardly; the clamp tube and the connecting rod match mutually to feed the clamp sheets forwardly, and the front end of the connecting rod and the tails of the clamp sheets are connected through a detachable structure; the middle of the connecting rod is in a hollow structure, the front and rear of the middle of the connecting rod are connected through two first ribs which are capable of retracting and deforming inwardly after being squeezed, first projections are arranged on the outer sides of the first ribs, two second ribs which are capable of retracting and deforming inwardly after being squeezed are arranged at the tail of the connecting rod, and second projections are arranged on the outer sides of the second ribs. According to the technical scheme, the connection is reliable, assembling is facilitated, and operation is easy.
Description
Technical field
The invention belongs to medical instruments field, relate to for the clamp in endoscopic surgery, clamp pusher and hemostatic clamp.
Background technology
Along with the development of endoscopic technic and other correlation techniques, Hemostasis through endoscopy has become the first-selected Therapeutic Method of current digestive tract hemorrhage treatment.Endoscope hemostasis method conventional at present has laser coagulation, electrocoagulation, local injection hemostasis, herbal sprinkling method and clamp method etc.Wherein, clamp method because of its traumatic little, anthemorrhagic speed soon, low, the feature such as few intercurrent disease, determined curative effect of bleeding event again, become digestive tract hemorrhage non-operative treatment the most effectively, have the method for clinical value most.
In prior art, publication number is the hemostatic clamp that the patent documentations such as CN101087564, CN100569173, CN101112327 all have open clamp can be separated with clamp pusher, but prior art exists: it is unreliable that clamp is connected with clamp pusher, connect difficulty and easily come off; The controllability of intermediate plate maximum open is poor, easy maloperation during clamping; Clamp and clamp pusher complex structure, install the problems such as inconvenient.
Summary of the invention
In order to solve the problems of the technologies described above, an object of the present invention is to provide reliable, easy to assembly, the easy-operating clamp of a kind of connection.
Two of object of the present invention be to provide a kind of and above-mentioned clamp with the use of clamp pusher.
Two of object of the present invention is to provide a kind of hemostatic clamp, comprises above-mentioned clamp and clamp pusher.
The present invention is by the following technical solutions:
Clamp, comprises intermediate plate, clamp pipe and connecting rod; The two sides of tail of described intermediate plate is provided with anti-slop serrations, for hold the clamp pipe of intermediate plate, closed intermediate plate and locking intermediate plate back segment pore in be provided with stop internal ring, stop and form locking plane after internal ring, after intermediate plate is incorporated into clamp pipe, the anti-slop serrations of intermediate plate afterbody can be formed to lock with locking plane snapping and coordinate, and prevents intermediate plate from skidding off forward; Described clamp pipe and connecting rod jointly coordinate and push intermediate plate and advance, and connecting rod front end is connected by demountable structure with intermediate plate afterbody, and this demountable structure can make connecting rod be separated release with intermediate plate when applying separating force; Connecting rod interlude is hollow structure, before and after being connected by two first stupefied bars that can be extruded the distortion of inside elastic shrinkage, the outside of two the first stupefied bars is provided with the first projection, when the previous section of connecting rod is inserted in the back segment pore of clamp pipe, the locking plane of the first projection and clamp pipe forms the one-way locking preventing from releasing forward, connecting rod rear has two second stupefied bars that can be extruded the distortion of inside elastic shrinkage, and the outside of two the second stupefied bars is provided with the second projection.
As preferably, two described the second stupefied bar front ends connect the interlude of connecting rods, and the rear end of two the second stupefied bars is separated thus to form elasticity forked.Or preferably, two described the second stupefied bar closed at both ends.
As preferably, described intermediate plate is splayed, or in ∝ shape.
As preferably, the front end of described connecting rod is connected with the afterbody hook of intermediate plate by single crotch structure, and this crotch can be straightened or break, and is separated release to make connecting rod with intermediate plate.Or preferably, the front end of described connecting rod is connected with the afterbody hook of intermediate plate by two and half crotch structures, and two and half crotch structures fully can be opened under the effect of separating force, are separated release to make connecting rod with intermediate plate.
As preferably, the back segment pore that described locking plane is positioned at clamp pipe is inner, and the first projection of connecting rod can be contained in clamp pipe.
As preferably, described connecting rod is provided with the stop projection that projection is less than the first projection in the outside of the first stupefied bar, stops that projection is positioned at before the first projection and both spacing are greater than the thickness of the stop internal ring on clamp pipe.
Clamp pusher, comprise flexible mandrel, remote spring pipe and bourdon tube, bourdon tube is set in outside flexible mandrel, the far-end of bourdon tube connects the near-end of remote spring pipe by transfer tube, bourdon tube is connected with operating platform with the near-end of flexible mandrel, the far-end of described flexible mandrel is fixedly connected with a connecting seat, Connection Block has the endoporus that can insert for the rear of connecting rod, the interlude wall of Connection Block has two windows be communicated with endoporus, in the endoporus of Connection Block, be provided with the interior step face that can coordinate with the second projection hook of connecting rod rear; One for holding the far-end of the distal cap parcel remote spring pipe of Connection Block and spacing clamp pipe.
As preferably, described Connection Block comprises front tube and rear connecting portion, front tube is from inserting in the endoporus of rear connecting portion above, like this, the rear end face of front tube forms interior step face, window is opened on rear connecting portion, and front tube and rear connecting portion are integrated by being welded to connect into again, and rear connecting portion is fixedly connected with flexible mandrel.
As preferably, the rear end face of described front tube is mounted to the window of rear connecting portion, and on connecting rod, the second projection does not protrude from window after coordinating with the rear end face hook of front tube.
Described operating platform comprises: the near-end of bourdon tube is connected with handle, handle is installed runner and slip hands handle, and flexible mandrel rotates being fixedly connected with and can being driven by runner with slip hands.
A kind of hemostatic clamp, comprises clamp as above and clamp pusher, and the rear of connecting rod inserts the endoporus of Connection Block, and the second projection of connecting rod rear forms hook with the interior step face of Connection Block and coordinates.
In the present invention, the interlude of connecting rod adopts two stupefied bar and projection cube structures that can press contraction, make the assembling of clamp more simple and convenient, after the front end of connecting rod is connected with intermediate plate afterbody, by connecting rod from penetrating to passing before clamp pipe below, make the rear of connecting rod and interlude can by clamp pipe by pressing the first projection and the second projection, the locking plane to the first projection and clamp pipe forms one-way locking, namely completes assembling.Further, adopt connecting rod rear to insert Connection Block, connect difficult drop-off, dismounting also facilitates.There is simple and ingenious structure, connect the advantages such as reliable and stable, easy to assembly, easy operation, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of hemostatic clamp of the present invention;
Fig. 2 a is the structural representation of a kind of embodiment of intermediate plate of the present invention;
Fig. 2 b is the structural representation of the another kind of embodiment of intermediate plate of the present invention;
Fig. 3 is the structural representation of clamp pipe of the present invention;
Fig. 4 a is the structural representation of a kind of embodiment of connecting rod of the present invention;
Fig. 4 b is the structural representation of the another kind of embodiment of connecting rod of the present invention;
Fig. 5 a is the structural representation of Connection Block of the present invention;
Fig. 5 b is the assembling schematic diagram of Connection Block of the present invention;
Fig. 6 is the structural representation of distal cap of the present invention;
Fig. 7 is the structural representation of transfer tube of the present invention;
Fig. 8 be connecting rod and Connection Block assembling time schematic diagram;
Fig. 9 is the schematic diagram after connecting rod and Connection Block install;
Figure 10 is connecting rod and Connection Block schematic diagram when separating;
Figure 11 be clamp pipe with connecting rod coordinate schematic diagram;
Figure 12 a is the operation chart (before separation) of a kind of embodiment of clamp of the present invention;
Figure 12 b is the operation chart (after being separated) of a kind of embodiment of clamp of the present invention;
Figure 13 a is the operation chart (before separation) of the another kind of embodiment of clamp of the present invention;
Figure 13 b is the operation chart (after being separated) of the another kind of embodiment of clamp of the present invention;
Figure 14 is the mounting structure schematic diagram of remote spring pipe.
Detailed description of the invention
Embodiment 1:
Clamp, comprises intermediate plate, clamp pipe and connecting rod; The two sides of tail of described intermediate plate is provided with anti-slop serrations, for hold the clamp pipe of intermediate plate, closed intermediate plate and locking intermediate plate back segment pore in be provided with stop internal ring, stop and form locking plane after internal ring, after intermediate plate is incorporated into clamp pipe, the anti-slop serrations of intermediate plate afterbody can be formed to lock with locking plane snapping and coordinate, and prevents intermediate plate from skidding off forward; Described clamp pipe and connecting rod jointly coordinate and push intermediate plate and advance, and connecting rod front end is connected by demountable structure with intermediate plate afterbody, and this demountable structure can make connecting rod be separated release with intermediate plate when applying separating force; Connecting rod interlude is hollow structure, before and after being connected by two first stupefied bars that can be extruded the distortion of inside elastic shrinkage, the outside of two the first stupefied bars is provided with the first projection, when the previous section of connecting rod is inserted in the back segment pore of clamp pipe, the locking plane of the first projection and clamp pipe forms the one-way locking preventing from releasing forward, connecting rod rear has two second stupefied bars that can be extruded the distortion of inside elastic shrinkage, and the outside of two the second stupefied bars is provided with the second projection.
Clamp pusher, comprise flexible mandrel, remote spring pipe and bourdon tube, bourdon tube is set in outside flexible mandrel, the far-end of bourdon tube connects the near-end of remote spring pipe by transfer tube, bourdon tube is connected with operating platform with the near-end of flexible mandrel, the far-end of described flexible mandrel is fixedly connected with a connecting seat, Connection Block has the endoporus that can insert for the rear of connecting rod, the interlude wall of Connection Block has two windows be communicated with endoporus, in the endoporus of Connection Block, be provided with the interior step face 215 that can coordinate with the second projection hook of connecting rod rear; One for holding the far-end of the distal cap parcel remote spring pipe of Connection Block and spacing clamp pipe.
Described operating platform comprises: the near-end of bourdon tube is connected with handle, handle is installed runner and slip hands handle, and flexible mandrel rotates being fixedly connected with and can being driven by runner with slip hands.
A kind of hemostatic clamp, comprises clamp as above and clamp pusher, and the rear of connecting rod inserts the endoporus of Connection Block, and the second projection of connecting rod rear forms hook with the interior step face of Connection Block and coordinates.
Being further described as follows by reference to the accompanying drawings:
A kind of hemostatic clamp as shown in Figure 1, comprises two products that can be separated: clamp 100 and clamp pusher 200.Both with the use of; Clamp 100 single use, clamp pusher 200 is reused.Clamp 100 is for the ligation of bio-tissue; Clamp pusher 200 is for pushing clamp 100 to operating position, and operation clamp carries out rotating, close, release etc.
Clamp 100 is made up of intermediate plate 110, clamp pipe 120, connecting rod 130.
Clamp pusher 200 is made up of 290 etc. Connection Block 210, flexible mandrel 220, remote spring pipe 230, distal cap 240, transfer tube 250, bourdon tube 260, handle 270, runner 280, slip hands.
Fig. 2 a is a kind of embodiment of intermediate plate, and in splayed, Fig. 2 b is the another kind of embodiment of intermediate plate, in ∝ shape.Intermediate plate 110 is for grasp body tissue; When not closed, by external force generation recoverable elastic deformation to a certain degree, so that via endoscope channel, operating position can be pushed to; When it is connected after bar 130 post-tensioning takes in clamp pipe 120, it remains closed.Afterbody 112 both sides of intermediate plate 110 are provided with anti-slop serrations 111.
As shown in Figure 3, clamp pipe 120 is for holding intermediate plate 110, closed intermediate plate 110, locking intermediate plate 110; Simultaneously itself and connecting rod 130 jointly coordinate and push intermediate plate 110 and advance.The front end mouth of pipe of clamp pipe 120 is inner conical surface 123, so that intermediate plate 110 is taken in, be provided with in the back segment pore of clamp pipe 120 and stop internal ring 122, stop that internal ring 122 forms locking plane 121 below, after intermediate plate 110 is incorporated into clamp pipe 120, the anti-slop serrations 111 of intermediate plate 110 afterbody can be formed to lock with locking plane 121 snapping and coordinate, and prevents intermediate plate 110 from skidding off forward.
Connecting rod 130 for tingle 110, and for forming dismountable connection with Connection Block 210.A kind of embodiment of connecting rod as shown in fig. 4 a: the front end of connecting rod 130a has single crotch structure 136a, for the afterbody 112 of hook intermediate plate 110, makes connecting rod 130a be connected with intermediate plate 110.Crotch 136a can be straightened or break, and is separated release to make connecting rod 130a with intermediate plate 110.Connecting rod 130a interlude is hollow structure, and before and after being connected by two the first stupefied bars 133, the first stupefied bar 133 can be extruded the distortion of inside elastic shrinkage.The outside of two the first stupefied bars 133 is provided with the first projection 134, and as shown in figure 11, when the previous section of connecting rod 130 is inserted in the back segment pore of clamp pipe 120, the first projection 134 forms one-way locking with the locking plane 121 of clamp pipe 120, prevents from releasing forward.In addition, the back segment pore that locking plane 121 is positioned at clamp pipe 120 is inner, make the first projection 134 can be contained in clamp pipe 120 like this, thus avoid the first projection 134 to be exposed to being subject to external structure impact outside clamp pipe 120 and causing one-way locking structural failure.Connecting rod 130a rear has two the second stupefied bar 131a, second stupefied bar 131a can be extruded the distortion of inside elastic shrinkage, two the second stupefied bar 131a front ends connect the interlude of connecting rod, the rear end of two the second stupefied bar 131a is separated thus formation elasticity is forked, and the outside of two the second stupefied bar 131a is provided with the second projection 132.
The another kind of embodiment of connecting rod as shown in Figure 4 b: the front end of connecting rod 130b has two and half crotch structure 136b, for the afterbody 112 of hook intermediate plate 110, makes connecting rod 130b be connected with intermediate plate 110.Half crotch 137b is pulled to afterbody rear space and can fully opens more greatly, and connecting rod 130b can be made to be separated release with intermediate plate 110.In present embodiment, the structure of connecting rod 130b interlude is identical with the connecting rod 130a in above-mentioned embodiment.Connecting rod 130b rear has two the second stupefied bar 131b of closed at both ends, and the second stupefied bar 131b can be extruded the distortion of inside elastic shrinkage, and the outside of two the second stupefied bar 131b is provided with the second projection 132.
Structure for above-mentioned connecting rod is not limited to above-mentioned two kinds of embodiments, at least leading portion, interlude and the rear in above-mentioned two kinds of embodiments can also be combined to form other embodiment respectively.
In order to prevent maloperation, (connecting rod and the intermediate plate that is connected with connecting rod are by post-tensioning, intermediate plate cannot be opened again by taking in clamp pipe by mistake), connecting rod is provided with the stop projection 135 that projection is less than the first projection 134 in the outside of the first stupefied bar, stop that projection 135 is positioned at before the first projection 134 and both spacing are greater than the thickness of the stop internal ring 122 on clamp pipe, need the resistance of the stop internal ring 122 overcome on certain clamp pipe during such connecting rod post-tensioning, facilitate operator's Timeliness coverage like this and stop maloperation.
Connection Block 210 is for forming dismountable connection with connecting rod 130, and Connection Block 210 is fixedly connected with flexible mandrel 220, and is driven post-tensioning and advance by flexible mandrel 220.As shown in Fig. 5 a, Fig. 5 b, Connection Block 210 has the endoporus 214 that can insert for the rear of connecting rod 130, the interlude wall of Connection Block 210 has two windows 216 be communicated with endoporus 214, interior step face 215 is provided with in the endoporus 214 of Connection Block 210, as shown in Figure 8, Figure 9, when the rear of connecting rod 130 inserts Connection Block 210, second projection 132 of connecting rod 130a/130b rear forms hook with the interior step face 215 (this example is anchor ring) of Connection Block 210 and coordinates, and transmits back pull.As shown in Figure 10, during dismounting, finger can through window 216, and the second projection 132 inwardly on pressing connecting rod 130a/130b, makes the second stupefied bar 131a/131b be pressed contraction, to dismantle connecting rod 130a/130b from Connection Block 210.
Connection Block 210, removablely be divided into front tube 211 and rear connecting portion 212 two parts, front tube 211 is from the endoporus inserting rear connecting portion 212 above, like this, the rear end face of front tube 211 forms interior step face 215, and window 216 is opened on rear connecting portion 212, and two parts are integrated by being welded to connect into again, to process, rear connecting portion 212 is fixedly connected with flexible mandrel.In order to ensure that the second projection on connecting rod coordinates reliable and stable with the hook in the interior step face of Connection Block further, the rear end face of front tube 211 is mounted to the window 216 of rear connecting portion 212, and on connecting rod, the second projection does not protrude from window 216 after hook coordinates.Shrink for the ease of the inside elastic deformation of the second stupefied bar of squeeze flow bar rear, chamfering inclined-plane is provided with at the tail end of connecting rod 130, and/or be formed with chamfer site 213 in the endoporus front end of Connection Block 210, facilitate connecting rod to insert Connection Block 210 by the endoporus 214 of Connection Block 210 like this.
In prior art, intermediate plate is hooked on projection, and need break projection root could discharge, and release force is excessive, and requires that larger Free up Memory is to hold the fracture of projection.The present invention adopts single crotch structure or two and half crotch structures to be connected with intermediate plate afterbody, and only need stretching flat hook or pull half crotch, after intermediate plate is tightened to clamp pipe completely, hook just can have enough Free up Memories, and release force is appropriate.
In the present invention, the interlude of connecting rod adopts two stupefied bar and projection cube structures that can press contraction, make the assembling of clamp more simple and convenient, after the front end of connecting rod is connected with intermediate plate afterbody, by connecting rod from penetrating to passing before clamp pipe below, by pressing the first projection 134 and the second projection 132, the rear of connecting rod and interlude by clamp pipe, can be formed one-way locking to the first projection 134 with the locking plane 121 of clamp pipe 120, namely complete assembling.For the ease of assembling, the rear end face of the first projection 134 and the second projection 132 can be arranged to chamfer or similar transition structure, do not need pressing that the first stupefied bar and the second stupefied bar can be made to produce during such grafting assembling to shrink, make connecting rod can pass clamp pipe.In the present invention, adopt connecting rod rear to insert Connection Block, connect difficult drop-off, dismounting also facilitates.
Flexible mandrel 220, for being connected 290 with slip hands, transmits push-pull effort; And rotation can be driven by runner 280.
Remote spring pipe 230 is for holding Connection Block 210 and clamp pipe 120 afterbody.
Distal cap 240, for wrapping up remote spring pipe 230 far-end, prevents bourdon tube scratch endoscopic forceps channel; Distal cap 240 has inner chamfering 241, is convenient to the storage of clamp pipe 120 afterbody and enters.
Transfer tube 250 is for connecting remote spring pipe 230 and bourdon tube 260.
Bourdon tube 260 is for being coated at flexible mandrel 220, and indirect Push clamp 110 is to operating position.
As shown in figure 14, remote spring pipe 230, bourdon tube 260 are connected with transfer tube 250 respectively, and connected mode can be welding, riveting connection etc.It is simply firm to connect.As shown in Figure 7, the far and near two ends of transfer tube 250 have respectively outside thin-walled ring 251,252 and are enclosed within remote spring pipe 230 near-end, bourdon tube 260 far-end.The far-end overcoat of remote spring pipe 230 has distal cap 240, and connected mode can be welding, riveting connection etc.The smooth impulse-free robustness of far-end end face exposes.As shown in Figure 6, distal cap 240 inside has chamfering 241, is convenient to Connection Block 210, connecting rod 130 enters that it is inner.Distal cap 240 near-end has thin-walled ring 242, is enclosed within outward on remote spring pipe 230 far-end.
Handle 270 for mounting spring pipe 260, runner 280, slip hands 290, as the operating platform of clamp 110.
Runner 280 rotates for driving flexible mandrel 220.
Slip hands 290 for the flexible mandrel 220 of push-and-pull.
When intermediate plate 110 is opened, as shown in Figure 12 a, Figure 12 b, clamp pipe is motionless by distal cap restriction, intermediate plate 110 can be pulled back by flexible mandrel, Connection Block, connecting rod 132 to take in clamp pipe 120 and (can experience in drawing process and stop that internal ring 122 is to the resistance stopping projection 135, after overcoming this resistance, intermediate plate can be drawn in clamp pipe completely); As shown in Figure 13 a, Figure 13 b, when pulling back connection tube further, intermediate plate closes, intermediate plate 110 is tightened in clamp pipe by post-tensioning, the locking plane 121 that the anti-slop serrations 111 of intermediate plate 110 is hooked on the Internal back end of clamp pipe 120 realizes locking, prevents intermediate plate 110 opposed jaws pipe 120 slippage and shake off forward.
Claims (10)
1. clamp, is characterized in that, comprises intermediate plate (110), clamp pipe (120) and connecting rod (130), afterbody (112) both sides of described intermediate plate (110) are provided with anti-slop serrations (111), for holding intermediate plate (110), be provided with in the back segment pore of the clamp pipe (120) of closed intermediate plate (110) and locking intermediate plate (110) and stop internal ring (122), stop that internal ring (122) forms locking plane (121) below, after intermediate plate (110) is incorporated into clamp pipe (120), the anti-slop serrations (111) of intermediate plate (110) afterbody can be formed to lock with locking plane (121) snapping and coordinate, prevent intermediate plate (110) from skidding off forward, described clamp pipe (120) and connecting rod (130) jointly coordinate and push intermediate plate (110) and advance, connecting rod (130) front end is connected by demountable structure with intermediate plate (110) afterbody, and this demountable structure can make connecting rod (130) be separated release with intermediate plate (110) when applying separating force, connecting rod (130) interlude is hollow structure, before and after being connected by two first stupefied bars (133) that can be extruded the distortion of inside elastic shrinkage, the outside of two the first stupefied bars (133) is provided with the first projection (134), when the previous section of connecting rod (130) is inserted in the back segment pore of clamp pipe (120), first projection (134) forms with the locking plane (121) of clamp pipe (120) one-way locking preventing from releasing forward, connecting rod (130) rear has two second stupefied bars (131) that can be extruded the distortion of inside elastic shrinkage, the outside of two the second stupefied bars (131) is provided with the second projection (132).
2. clamp according to claim 1, is characterized in that, two described the second stupefied bar (131) front ends connect the interlude of connecting rod, and the rear end of two the second stupefied bars (131) is separated thus formation elasticity is forked.
3. clamp according to claim 1, is characterized in that, two described the second stupefied bar (131) closed at both ends.
4. clamp according to claim 1, is characterized in that, described intermediate plate (110) in splayed, or is ∝ shape.
5. clamp according to claim 1, it is characterized in that, the front end of described connecting rod (130) is connected with afterbody (112) hook of intermediate plate (110) by single crotch structure, this crotch can be straightened or break, and to be separated to discharge to make connecting rod (130) with intermediate plate (110).
6. clamp according to claim 1, it is characterized in that, the front end of described connecting rod (130) is connected with afterbody (112) hook of intermediate plate (110) by two and half crotch structures (136), two and half crotch structures (136) fully can be opened under the effect of separating force, to be separated to discharge to make connecting rod (130) with intermediate plate (110).
7. clamp according to claim 1, it is characterized in that, described connecting rod is provided with the stop projection (135) that projection is less than the first projection (134) in the outside of the first stupefied bar, stops that projection (135) is positioned at before the first projection (134) and both spacing are greater than the thickness of the stop internal ring (122) on clamp pipe.
8. clamp pusher, comprise flexible mandrel (220), remote spring pipe (230) and bourdon tube (260), bourdon tube (260) is set in flexible mandrel (220) outside, the far-end of bourdon tube (260) connects the near-end of remote spring pipe (230) by transfer tube (250), bourdon tube (260) is connected with operating platform with the near-end of flexible mandrel (220), it is characterized in that, the far-end of described flexible mandrel (220) is fixedly connected with a connecting seat (210), Connection Block (210) has the endoporus (214) that the rear of connecting rod (130) can be supplied to insert, the interlude wall of Connection Block (210) has two windows (216) be communicated with endoporus (214), the interior step face (215) that can coordinate with the second projection (132) hook of connecting rod (130) rear is provided with in the endoporus (214) of Connection Block (210), one for holding the far-end of the distal cap (240) parcel remote spring pipe (230) of Connection Block (210) and spacing clamp pipe (120).
9. clamp pusher according to claim 8, it is characterized in that, described Connection Block (210) comprises front tube (211) and rear connecting portion (212), front tube (211) is from the endoporus inserting rear connecting portion (212) above, like this, the rear end face of front tube (211) forms interior step face (215), window (216) is opened on rear connecting portion (212), front tube (211) is integrated by being welded to connect into rear connecting portion (212) again, rear connecting portion (212) is fixedly connected with flexible mandrel.
10. a hemostatic clamp, it is characterized in that, comprise the clamp according to any one of claim 1 to 7 and clamp pusher as claimed in claim 8 or 9, the rear of connecting rod (130) inserts the endoporus (214) of Connection Block (210), and second projection (132) of connecting rod (130) rear forms hook with the interior step face (215) of Connection Block (210) and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496144.0A CN104248461B (en) | 2014-09-25 | 2014-09-25 | Clamp, clamp pusher and hemostatic clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410496144.0A CN104248461B (en) | 2014-09-25 | 2014-09-25 | Clamp, clamp pusher and hemostatic clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104248461A true CN104248461A (en) | 2014-12-31 |
| CN104248461B CN104248461B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410496144.0A Active CN104248461B (en) | 2014-09-25 | 2014-09-25 | Clamp, clamp pusher and hemostatic clamp |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104688293A (en) * | 2015-02-15 | 2015-06-10 | 建德市康华医疗器材有限公司 | Detachable tissue holder and working method thereof |
| CN105615938A (en) * | 2016-03-15 | 2016-06-01 | 沈阳尚贤微创医疗器械股份有限公司 | Disposable digestive tract soft tissue clamp |
| WO2016116069A1 (en) * | 2015-01-23 | 2016-07-28 | 沈阳尚贤微创医疗器械股份有限公司 | Soft tissue forceps for clamping soft tissue in digestive tract |
| WO2016184120A1 (en) * | 2015-05-15 | 2016-11-24 | 江苏唯德康医疗科技有限公司 | Jaw-type repetitively opening and closing hemostatic clip |
| CN106473805A (en) * | 2016-11-15 | 2017-03-08 | 浙江创想医学科技有限公司 | A kind of alimentary canal hemostatic clamp for repeating folding and rotation with coagulation |
| JP2017189209A (en) * | 2016-04-11 | 2017-10-19 | 野村ユニソン株式会社 | Clip unit for ligation device and engagement method of the same |
| CN108523985A (en) * | 2018-04-23 | 2018-09-14 | 南京微创医学科技股份有限公司 | A kind of multifunctional high frequency cutting is operated on |
| CN109661202A (en) * | 2016-09-20 | 2019-04-19 | 波士顿科学国际有限公司 | Applicator is reset for the fixture that stops blooding |
| CN109805977A (en) * | 2019-03-21 | 2019-05-28 | 南京微创医学科技股份有限公司 | A kind of Medical hemostatic clamp |
| CN109833074A (en) * | 2019-02-20 | 2019-06-04 | 江苏格里特医疗科技有限公司 | A kind of rotatable hemostatic clamp |
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| CN110464410A (en) * | 2019-07-03 | 2019-11-19 | 安瑞医疗器械(杭州)有限公司 | The clamp apparatus and its clamping part that cooperation endoscope uses |
| EP4218619A4 (en) * | 2020-11-06 | 2024-04-10 | Microport Urocare Jiaxing Co Ltd | Hemostatic clip |
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| WO2016116069A1 (en) * | 2015-01-23 | 2016-07-28 | 沈阳尚贤微创医疗器械股份有限公司 | Soft tissue forceps for clamping soft tissue in digestive tract |
| CN104688293A (en) * | 2015-02-15 | 2015-06-10 | 建德市康华医疗器材有限公司 | Detachable tissue holder and working method thereof |
| WO2016184120A1 (en) * | 2015-05-15 | 2016-11-24 | 江苏唯德康医疗科技有限公司 | Jaw-type repetitively opening and closing hemostatic clip |
| CN105615938A (en) * | 2016-03-15 | 2016-06-01 | 沈阳尚贤微创医疗器械股份有限公司 | Disposable digestive tract soft tissue clamp |
| WO2017156649A1 (en) * | 2016-03-15 | 2017-09-21 | 沈阳尚贤微创医疗器械股份有限公司 | Disposable digestive tract soft tissue clamp |
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| CN106473805A (en) * | 2016-11-15 | 2017-03-08 | 浙江创想医学科技有限公司 | A kind of alimentary canal hemostatic clamp for repeating folding and rotation with coagulation |
| CN110461254A (en) * | 2017-03-22 | 2019-11-15 | 富士胶片株式会社 | Fixture treatment apparatus |
| CN110461254B (en) * | 2017-03-22 | 2022-09-16 | 富士胶片株式会社 | Clamp treatment tool |
| CN108523985A (en) * | 2018-04-23 | 2018-09-14 | 南京微创医学科技股份有限公司 | A kind of multifunctional high frequency cutting is operated on |
| CN108523985B (en) * | 2018-04-23 | 2024-05-07 | 南微医学科技股份有限公司 | Multifunctional high-frequency electric incision knife |
| CN110393564A (en) * | 2018-04-25 | 2019-11-01 | 杭州安杰思医学科技股份有限公司 | Clamping device |
| CN110393564B (en) * | 2018-04-25 | 2021-11-12 | 杭州安杰思医学科技股份有限公司 | Clamping device |
| WO2019205332A1 (en) * | 2018-04-25 | 2019-10-31 | 杭州安杰思医学科技有限公司 | Clipping device |
| CN109833074A (en) * | 2019-02-20 | 2019-06-04 | 江苏格里特医疗科技有限公司 | A kind of rotatable hemostatic clamp |
| CN109805977A (en) * | 2019-03-21 | 2019-05-28 | 南京微创医学科技股份有限公司 | A kind of Medical hemostatic clamp |
| CN109805977B (en) * | 2019-03-21 | 2024-03-05 | 南微医学科技股份有限公司 | Medical hemostatic clamp |
| CN110464410A (en) * | 2019-07-03 | 2019-11-19 | 安瑞医疗器械(杭州)有限公司 | The clamp apparatus and its clamping part that cooperation endoscope uses |
| CN110464410B (en) * | 2019-07-03 | 2024-05-10 | 安瑞医疗器械(杭州)有限公司 | Clip device for endoscope and clamping part thereof |
| EP4218619A4 (en) * | 2020-11-06 | 2024-04-10 | Microport Urocare Jiaxing Co Ltd | Hemostatic clip |
| EP4223235A4 (en) * | 2020-11-06 | 2024-04-17 | Microport Urocare Jiaxing Co Ltd | Hemostatic clip |
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