CN208048843U - A kind of holder pressure holds pincers - Google Patents
A kind of holder pressure holds pincers Download PDFInfo
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- CN208048843U CN208048843U CN201720930783.2U CN201720930783U CN208048843U CN 208048843 U CN208048843 U CN 208048843U CN 201720930783 U CN201720930783 U CN 201720930783U CN 208048843 U CN208048843 U CN 208048843U
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- pressure
- pincers
- holder
- rectangular sheet
- hinge area
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Abstract
The utility model discloses a kind of holder pressure and holds pincers, especially suitable for aorta vessel overlay film frame.Holder pressure is held to clamp to be caught by main forceps body and pressure and be formed, and main forceps body loads composition by pincers leg, hinge area, forceps channel and automatic rebounding.Pressure is caught to be made of the medical metal or flexible macromolecule thin slice of rigidity, and the crossbeam position of jaw is fixed at both ends.Main forceps body and pressure, which are caught, to be used cooperatively, and contraction and diastole that pressure is caught are realized in the folding by manually controlling pliers leg.It is not only easy to operate that holder pressure provided by the utility model holds pincers, efficient, and processing cost is low, and it is good to load effect.
Description
Technical field
The utility model belongs to the field of medical instrument technology, more particularly to a kind of holder pressure holds pincers.
Background technology
Dissection of aorta and aortic aneurysm are a kind of vascular diseases of high mortality, dissection of aorta and aneurysmal treatment
Method includes internal medicine treatment, surgical operation therapy and interventional treatment.Interventional treatment is also known as intracavitary therapy (endo
Vascular aortic repair, EVAR), it is the new technology to grow up the nineties in last century.Its cardinal principle is
It will be preset in transport system with the matched overlay film frame of lesion aorta, under radioscopy monitoring, be led through femoral artery
Enter, after holder reaches lesion aorta position, holder is discharged, and be allowed to come to original bore out of delivery device, make blood
Stream is flowed through from artificial blood vessel's intracavitary, and the intimal tear and Ectasia of Human Thoracic Aortic Dissection are i.e. isolated.
By the treatment principle of EVAR it is found that aortic stents need the transport system for being previously charged into inner cavity very little in production
It is interior.Currently, the mode that overlay film frame is assembled to the system of broadcasting mainly has holder pressure to hold machine loading and manually load.
Although holder pressure holds machine, loading is efficient, effect is good, expensive, members up to up to a million, equipment purchase, dimension
Shield and daily expenditure bring serious financial burden to overlay film frame manufacturing enterprise.
For manually load without equipment requirement, cost is relatively low, but carries and have the following problems：
1, difficulty is loaded, it is less efficient.Aorta tectorial membrane stent main diameter is typically in the range of between 26mm-40mm, by gold
Belong to skeleton and covering material composition, after being compressed according to model, be fitted into the transport system of a diameter of 5mm-8mm on the other side,
Compression process is cumbersome and very long, and efficiency of loading is low.
2, operation is lack of standardization, and non-controllable risk is higher.Holder pressure is held and is loaded into transport system by hand, it is possible to be led
The effect of causing holder compressive deformation uneven, influencing the expansion effect of holder in the blood vessels, and then influence intracavitary therapy.
Utility model content
The purpose of this utility model is to propose that a kind of holder pressure is held for the deficiency when loading aortic stents at present
Pincers, it includes that former and later two calipers, hinge area, auto resilient mounting, crossbeam and pressure are caught that this holder pressure, which holds pincers, which is characterized in that
The caliper includes pincers leg, jaw, protrusion and convex block；Wherein jaw is the U-shaped structure of top indent, the top of crossbeam and jaw
Affixed, former and later two calipers are connected by hinge area forms revolute pair；It is described press the both sides caught to intersect and encircle after, both ends respectively with
Two crossbeams in left and right are affixed, for the both ends that fixed pressure is caught, when jaw opens band dynamic pressure catch two end motions, realize that pressure is caught
It shrinks.
The pressure is caught to be made of middle part rectangular sheet and several elongate strip rectangular sheets, wherein the size of elongated rectangular shape piece long side
Much larger than the size of broadside, and wherein a broadside is connect with the long side of middle part rectangular sheet；The elongate strip rectangular sheet is at middle part
The equidistant interlaced arrangement in rectangular sheet both sides, and arrange when side one more than the other side；Wherein two elongate strip rectangular sheets are mutual
Between distance be more than elongate strip rectangular sheet broadside size；The material that the pressure is caught is rigid medical metal or flexible high score
Son.
Wherein caught by pressure and encircle that be formed by pressure inner cavity of catching cylindrical, and can be carried out with the folding of jaw expansion and
Tightening.
Pincers leg on the same caliper is in the homonymy of hinge area vertical centerline with jaw, to realize pincers leg and jaw
The purpose moved round about, when clamping leg merging, jaw opens；But protrusion is another in hinge area vertical centerline
Side.
The auto resilient mounting is set between two pincers legs, and such setting, which may insure that pressure holds two pincers legs manually, makes pincers leg
Close to each other, automatic rebounding is separate again for two pincers legs after loosing one's grip.
The minimum value of the two crossbeams relative distance is 40-60mm, maximum value 110-150mm；It is described to press inner cavity of catching
A diameter of 5.8mm-35mm, the diameter size of the inner cavity outer diameter phase front and back with holder compression respectively wherein pressure is caught
Match.
The convex block is arranged at the back side of caliper, is located near hinge area, and with raised, front and back two on another caliper
A caliper and hinge area joint constitute limit and are hinged, and wherein convex block and protrusion matches, and for limiting the distance between two jaws, prevent
It springs back too quickly when only decontroling pincers leg and damages pressure and catch.
It is described pressure catch interior cavity perimeter minimum value be equal to holder pressed the outer diameter after holding and be more than and middle part rectangular sheet
Width.
Preferably, the quantity of the elongate strip rectangular sheet is not less than five.
The beneficial effects of the utility model are：This holder pressure hold pincers for by blood vessel covered stent efficiently and equably carry out
Pressure is held；With following features：
1, big blood vessel covered stent can be assembled to transport system with time-saving and efficiency.
2, holder pressure is held uniformly, occurs that incomplete phenomenon is unfolded after avoiding type great vessel strut from discharging in vivo.
3, the holder pressure holds pincers construction succinctly, of low cost, convenient for batch production.
Description of the drawings
Fig. 1 is a kind of front view for specific implementation mode that the utility model holder pressure holds pincers；
Fig. 2 is the partial top view that the utility model holder pressure holds pincers；
Fig. 3 is the partial side view that the utility model holder pressure holds pincers；
Fig. 4 be the utility model pressure catch thin slice expansion schematic diagram；
Fig. 5 is that the utility model pressure is caught the oblique view of unfolded state；
Fig. 6 is that the utility model pressure is caught the oblique view of contraction state；
Fig. 7 is that the utility model holder pressure holds local overlooking schematic diagram when pincers worker is made.
In figure：1-- clamps leg, 2-- hinge areas, 3-- jaws, 4-- auto resilient mountings, 5-- protrusions, 6-- crossbeams, 7-- pressures
It catches, rectangular sheet in the middle part of 701--, 702-- elongate strip rectangular sheets, the inner cavities 8--, 9-- holders, 10-- convex blocks.
Specific implementation mode
The utility model proposes a kind of holder pressures to hold pincers, with reference to the accompanying drawings to specific embodiment of the present utility model into
Row is described in detail.
As shown in Figs. 1-3, the utility model proposes holder pressure hold pincers and caught and form by main forceps body and pressure；
The main forceps body includes pincers leg 1, hinge area 2, jaw 3, the composition of auto resilient mounting 4.
The pincers leg 1 and jaw 3 corresponding with the pincers leg are in the homonymy of 2 center line of hinge area, to realize pincers leg 1 and pincers
The purposes that mouth 3 moves round about, when clamping the merging of leg 1, jaw 3 opens.
The head end of two jaws 3 is respectively equipped with crossbeam 6, catch for fixed pressure 7 both ends, by anchoring, welding, heat is fixed
The techniques such as type catch crossbeam 6 and pressure 7 affixed.Band dynamic pressure is caught 7 liang of end motions when jaw 3 opens, and realizes that pressure is caught the receipts of inner cavity 8
Contracting.
The relative distance minimum value being fixed between the crossbeam 6 on two jaws 3 is 60mm, maximum value 150mm.When two
When crossbeam 6 is in minimum range 60mm, inner cavity 8 of catching is pressed to be in full-size, intracavity diameter 35mm, when two crossbeams 6 are in
When maximum distance 150mm, inner cavity 8 of catching is pressed to be in minimum dimension, intracavity diameter 5.8mm.
It is equipped with auto resilient mounting 4 between two pincers legs 1, pressure holds two pincers legs 1 and is allowed to close to each other manually, two pincers after loosing one's grip
1 automatic rebounding of leg is separate.
It is equipped with protrusion 5 and convex block 10 in pairs with reverse side in the side of the joint position of main forceps body, the two is matched for limiting
It makes two jaws 3 and reaches and continue after minimum range close, prevent damage pressure from catching 7.
Pressure is caught 7 to be made of medical rigid metal thin slice or flexible macromolecule thin slice, such as using Ti-Ni alloy thin slice, 316L
Stainless steel thin slice is cut or medical polyester material, and the both sides dislocation of middle part rectangular sheet 701 is equipped with seven elongate strip rectangular sheets
702, side is equipped with three, and the other side is equipped with four.The spacing of every two elongate strip rectangular sheets 702 is equal and is more than elongate strip square
The spacing of the width of shape piece 702, adjacent two elongate strip rectangular sheets 702 is 5mm, and the width of every elongate strip rectangular sheet 702 is equal
For 4mm.The elongate strip rectangular sheets 702 of both sides intersects encircle after be fixed on the position of two crossbeam 6 of jaw, so that pressure is caught 7 formation cylinders
Shape can simultaneously be tightened and be unfolded with the folding of jaw 3.
As shown in figure 4, when pressure catches 8 maximum gauge of inner cavity as 35mm, when minimum diameter is 6mm, the total of 7 thin slices that catch is pressed
Length 11 is set as 169mm, and width 22 is 31mm, and middle part rectangle width 33 is 18mm.Sheet width 22 is caught for pressure in 7 simultaneously
The depth of chamber.
As shown in figure 5, pressure catches 7 when being deployed into maximum gauge, the spacing of two crossbeams 6 is most short.
As shown in fig. 6, pressure catches 7 when being retracted to minimum diameter, the spacing of two crossbeams 6 is maximum.
Inner cavity 8 of catching is pressed to carry out the schematic diagram after pressure is held as shown in fig. 7, holder 9 is packed into.
Claims (6)
1. a kind of holder pressure holds pincers, including former and later two calipers, hinge area (2), auto resilient mounting (4), crossbeam (6) and pressure are held
Device (7), which is characterized in that the caliper includes pincers leg (1), jaw (3), raised (5) and convex block (10)；Wherein jaw (3) is
The U-shaped structure of top indent, crossbeam (6) and the top of jaw (3) are affixed, former and later two calipers are formed by hinge area (2) connection
Revolute pair；It is described pressure catch (7) both sides intersect encircle after, both ends respectively with left and right two crossbeams (6) it is affixed, caught by pressure
(7) encircle that be formed by pressure inner cavity (8) of catching cylindrical；
The thin slice knot for pressing the elongate strip rectangular sheet (702) of (7) by middle part rectangular sheet (701) and not less than five of catching to form
Structure, the wherein size of elongate strip rectangular sheet (702) long side are much larger than the size of broadside, and a wherein broadside and middle part rectangular sheet
(701) long side connection；The elongate strip rectangular sheet (702) is in the equidistant interlaced arrangement in middle part rectangular sheet (701) both sides, and cloth
Side is one more than the other side when setting；The mutual distance of wherein two elongate strip rectangular sheets (702) is more than elongate strip rectangular sheet
(702) size of broadside.
2. holder pressure according to claim 1 holds pincers, which is characterized in that the pincers leg (1) on the same caliper and jaw
(3) it is in the homonymy of hinge area (2) vertical centerline, but raised (5) are located at the other side of hinge area (2) vertical centerline.
3. holder pressure according to claim 1 or 2 holds pincers, which is characterized in that the back of the body in caliper is arranged in the convex block (10)
Face is located near hinge area (2), and combines structure with protrusion (5), former and later two calipers and the hinge area (2) on another caliper
It is hinged at limit.
4. holder pressure according to claim 1 holds pincers, which is characterized in that the auto resilient mounting (4) is set to two pincers
Between leg (1).
5. holder pressure according to claim 1 holds pincers, which is characterized in that the minimum value of two crossbeam (6) relative distance
For 40-60mm, maximum value 110-150mm；The catch material of (7) of the pressure is rigid medical metal or flexible macromolecule material
Material, a diameter of 5.8mm-35mm for pressing inner cavity (8) of catching.
6. holder pressure according to claim 1 holds pincers, which is characterized in that the minimum value for pressing inner cavity (8) perimeter of catching
The outer diameter after holding is pressed equal to holder, and more than the width (33) with middle part rectangular sheet (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930783.2U CN208048843U (en) | 2017-07-28 | 2017-07-28 | A kind of holder pressure holds pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930783.2U CN208048843U (en) | 2017-07-28 | 2017-07-28 | A kind of holder pressure holds pincers |
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| Publication Number | Publication Date |
|---|---|
| CN208048843U true CN208048843U (en) | 2018-11-06 |
Family
ID=63996559
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930783.2U Active CN208048843U (en) | 2017-07-28 | 2017-07-28 | A kind of holder pressure holds pincers |
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| Country | Link |
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| CN (1) | CN208048843U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226995A (en) * | 2019-06-06 | 2019-09-13 | 高峰 | Aorta tectorial membrane stent accurate positioning device |
| CN111671557A (en) * | 2020-06-30 | 2020-09-18 | 钱富林 | Elastic net-shaped support |
| CN113349997A (en) * | 2021-06-24 | 2021-09-07 | 苏州中天医疗器械科技有限公司 | Pressing and holding device |
-
2017
- 2017-07-28 CN CN201720930783.2U patent/CN208048843U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110226995A (en) * | 2019-06-06 | 2019-09-13 | 高峰 | Aorta tectorial membrane stent accurate positioning device |
| CN110226995B (en) * | 2019-06-06 | 2020-04-10 | 高峰 | Accurate positioning device for aorta tectorial membrane stent |
| CN111671557A (en) * | 2020-06-30 | 2020-09-18 | 钱富林 | Elastic net-shaped support |
| CN113349997A (en) * | 2021-06-24 | 2021-09-07 | 苏州中天医疗器械科技有限公司 | Pressing and holding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200828 Address after: 102200, Changping District, Beijing, super Road, No. 33 Co-patentee after: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. Patentee after: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Address before: 102200, Beijing Changping District science and Technology Park, super Road, No. 33 Patentee before: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 102200 room 01, 2 / F, building 1, No. 33, Chaoqian Road, science and Technology Park, Changping District, Beijing Patentee after: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Address before: No.33 Chaoqian Road, Changping District, Beijing 102200 Patentee before: Beijing Youzhuo Zhenglian Medical Technology Co., Ltd Patentee before: GRINM MEDICAL INSTRUMENT (BEIJING) Co.,Ltd. |
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| TR01 | Transfer of patent right |