CN109106425A - One kind is intravascular to take object to clamp - Google Patents
One kind is intravascular to take object to clamp Download PDFInfo
- Publication number
- CN109106425A CN109106425A CN201811079166.1A CN201811079166A CN109106425A CN 109106425 A CN109106425 A CN 109106425A CN 201811079166 A CN201811079166 A CN 201811079166A CN 109106425 A CN109106425 A CN 109106425A
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- conduit
- rod
- handle
- control
- clamp
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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
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2943—Toothed members, e.g. rack and pinion
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (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 present invention relates to field of mechanical technique, it is in particular a kind of intravascular object to be taken to clamp, including conduit, one end of conduit is connected with control-rod, first handle and second handle are disposed on control-rod, conduit is provided with adjustable bight portion far from one end of control-rod, adjustable bending is provided with serrated pliers partially away from one end of conduit, the middle part surface of conduit offers the first thread eye, the surface of adjustable bight portion offers the second thread eye, adjustable bight portion is internally provided with telescopic rod, the inner wall of adjustable bight portion is provided with sliding rail, the surface of sliding rail is provided with several fixing glues, the configuration of the present invention is simple, it is easy to use, pass through fixing glue and sliding rail, the stretching, extension of serrated pliers and the size of bore can be adjusted, it is convenient, efficiently clamp the seal wire in the intravascular and chambers of the heart, it is de- to carry the instruments and articles such as bracket and spring ring.
Description
Technical field
It is specially a kind of intravascular object to be taken to clamp the present invention relates to field of mechanical technique.
Background technique
Often there are following problems during Percutaneous Coronary Intervention at present, disadvantage is a lot of during solution: 1.
Seal wire fracture: if PTCA seal wire in coronary artery, is tightly fitted in blood after common coronary artery bracket release by the fracture of a. PTCA seal wire
On pipe inner membrance, disadvantage: increasing the surgery cost of patient, increases the risk of thrombus in stents and blood vessel blockage；B. if PTCA is led
In aorta or subclavian artery or oar, arteria brachialis, needing will with first heart mesh basket seal wire or En snare catching device for silk fracture
Seal wire is grabbed mend after take out, disadvantage: increasing the surgery cost of patient, and the difficulty for arresting PTCA seal wire is larger, if unsuccessfully needed outer
Section's operation is taken out；
Carry 2. bracket is de-: bracket once de- carry needs that bracket is grabbed benefit with first heart mesh basket seal wire or En snare catching device
It is taken out after firmly, disadvantage: increasing the surgery cost of patient, taken off and carry bracket thrombus easy to form, the difficulty for arresting bracket is larger, if
Unsuccessfully surgical operation is needed to take out；
3. the de- load of embolism spring ring or the undesirable taking-up in position: needing will with first heart mesh basket seal wire or En snare catching device
Bolt match spring ring is grabbed mend after take out, disadvantage: increasing the surgery cost of patient, arrests that difficulty is larger, and embolism spring ring holds quickly
Easily form thrombus；
4. conduit discounting can not removed: need to separately puncture blood vessel all the way, need with first heart mesh basket seal wire or En snare catching device
Conduit is grabbed from conduit head end and mends rear post-tensioning cooperation catheter tip rotation for conduit discounting releasing, disadvantage: increases patient's
Pain and surgery cost, and thrombus easy to form, the difficulty for arresting conduit is larger, and the support force that can be provided after arresting is limited,
If unsuccessfully surgical operation is needed to take out.
In consideration of it, taking object to clamp it is proposed that one kind is intravascular.
Summary of the invention
The purpose of the present invention is to provide it is a kind of it is intravascular take object to clamp, it is disconnected to solve seal wire mentioned above in the background art
Split or slip, bracket it is de- carry, embolism spring ring it is de- carry or position is undesirable needs to take out, conduit discounting can not removed and the chambers of the heart in three
That ties up three-dimensional situation downcomer and seal wire is not easy the problems such as arresting.
To achieve the above object, the invention provides the following technical scheme:
It is a kind of it is intravascular takes object to clamp, including conduit, one end of the conduit is connected with control-rod, on the control-rod successively
It is provided with first handle and second handle, the second handle has closely bonded handle, the conduit far from one end of control-rod
One end far from control-rod is provided with adjustable bight portion, and the adjustable bending is provided with serrated pliers partially away from one end of conduit, institute
The middle part surface for stating conduit offers the first thread eye, and the surface of the adjustable bight portion offers the second thread eye；
The surface of the serrated pliers is provided with tooth engaged, and the adjustable bight portion is internally provided with telescopic rod, it is described can
The inner wall of bight portion is adjusted to be provided with sliding rail, the surface of the sliding rail is provided with several fixing glues, and the sliding rail and telescopic rod slide
Connection, the telescopic rod offer the sliding slot being slidably connected with fixing glue at fixing glue；
The first handle includes shell, and the shell is internally provided with inner disc, and the inner surface of the shell is provided with
Several first sawtooth, the outer surface of the inner disc are provided with several second sawtooth, the outer wall of the inside of the shell and inner disc it
Between up and down two sides be provided with gear, the middle part surface of the inner disc offers threaded hole；
The control-rod is internally provided with rotating bar, and the rotating bar is slidably connected with control-rod, and the rotating bar is logical
The first screw thread to be crossed to be threadedly coupled with first handle, the structure of the second handle is identical as first handle, and the one of the control-rod
End is threadedly coupled by the second screw thread with second handle.
Preferably, the two sides of the gear respectively with the first sawtooth and the second engagement.
Preferably, the inside of the control-rod is hollow structure.
Preferably, the conduit is hollow tubular structure.
Preferably, one end of the rotating bar penetrates the inside of conduit.
Preferably, the adjustable bight portion is provided with guide rod close to one end of conduit.
Preferably, the telescopic rod has closely bonded torque spring, the torque spring close to one end upper surface of guide rod
The other end closely bonded with guide rod, the telescopic rod is rotatablely connected close to one end lower surface of guide rod by hinge and guide rod.
Compared with prior art, beneficial effects of the present invention: the configuration of the present invention is simple, it is easy to use, by fixing glue with
Sliding rail, can adjust the stretching, extension of serrated pliers and the size of bore, easily and efficiently clamp leading in the intravascular and chambers of the heart
Silk, the de- load instruments and articles such as bracket and spring ring；First handle can control the flexible of serrated pliers, and second handle enables to saw
Tooth pincers change angle, convenient for the crawl of serrated pliers；First thread eye and the second thread eye can penetrate PTCA seal wire, make intravascular
It takes object pincers along PTCA seal wire smoothly into and out of entering blood vessel to target position, and reduces and intravascular object is taken to clamp the damage to vascular wall.
The present invention has very big use value, convenient for promoting.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is one of the structural schematic diagram of adjustable bight portion in the present invention；
Fig. 3 is the internal structure chart of first handle in the present invention；
Fig. 4 is the structural schematic diagram of control-rod, first handle and second handle in the present invention；
Fig. 5 is the combination diagram of control-rod, first handle and second handle in the present invention；
Fig. 6 is the second structural representation of adjustable bight portion in the present invention.
In figure: 1, conduit；11, the first thread eye；12, rotating bar；121, the first screw thread；2, control-rod；21, the second spiral shell
Line；3, first handle；31, shell；311, the first sawtooth；32, inner disc；321, the second sawtooth；322, internal thread hole；33, gear；
4, second handle；5, handle；6, adjustable bight portion；61, serrated pliers；611, tooth engaged；62, the second thread eye；63, telescopic rod；
631, sliding rail；632, fixing glue；64, guide rod；641, torque spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, " several " are meant that two or more,
Unless otherwise specifically defined.
Embodiment 1
One kind is intravascular to take object to clamp, as shown in Figure 1, including conduit 1, conduit 1 is hollow tubular structure, one end of conduit 1
It is connected with control-rod 2, the inside of control-rod 2 is hollow structure, is disposed with first handle 3 and second handle on control-rod 2
4, second handle 4 has closely bonded handle 5 far from one end of control-rod 2, and conduit 1 is provided with adjustable far from one end of control-rod 2
Bight portion 6, adjustable bight portion 6 are provided with serrated pliers 61 far from one end of conduit 1, and the middle part surface of conduit 1 offers first and leads
Wire hole 11, the surface of adjustable bight portion 6 offer the second thread eye 62.
In the present embodiment, the surface of conduit 1 and serrated pliers 61 is surrounded by polyurethane resin coating, surface coating hydrophilic polymer
Object, polyurethane resin coating is with film-forming temperature is low, adhesive force is strong, wearability is good, hardness is big and chemicals-resistant, good weatherability
Etc. superior functions, conduit 1 and serrated pliers 61 can be effectively prevent to damage vascular wall when passing in and out blood vessel.
As shown in Fig. 2, the surface of serrated pliers 61 is provided with tooth engaged 611, adjustable bight portion 6 is internally provided with telescopic rod
63, the inner wall of adjustable bight portion 6 is provided with sliding rail 631, and the surface of sliding rail 631 is provided with several fixing glues 632, sliding rail 631 with
Telescopic rod 63 is slidably connected, and telescopic rod 63 offers the sliding slot being slidably connected with fixing glue 632 at fixing glue 632.
As shown in figure 3, first handle 3 includes shell 31, shell 31 is internally provided with inner disc 32, the inner surface of shell 31
Several first sawtooth 311 are provided with, the outer surface of inner disc 32 is provided with several second sawtooth 321, the inside of shell 31 and inner disc
Two sides are provided with gear 33 up and down between 32 outer wall, and the two sides of gear 33 are nibbled with the first sawtooth 311 and the second sawtooth 321 respectively
It closes, the middle part surface of inner disc 32 offers threaded hole 322.
As shown in Figure 4 and Figure 5, control-rod 2 is internally provided with rotating bar 12, and one end of rotating bar 12 penetrates conduit 1
Internal and be connected with telescopic rod 63, rotating bar 12 is slidably connected with control-rod 2, and rotating bar 12 passes through the first screw thread 121 and the
One handle 3 is threadedly coupled, and the structure of second handle 4 is identical with first handle 3, one end of control-rod 2 by the second screw thread 21 and
Second handle 4 is threadedly coupled.
In addition, rotating bar 12 is made of elastomeric material, there can be good bending property.
In the present embodiment, when rotating by rotation first handle 3, it is able to drive the rotation of gear 33, so that in inside
Disk 32 rotates, and the internal thread hole rotation on inner disc 32 enables to rotating bar 12 to move forward, can control by screw thread
Rotating bar 12 processed is flexible in the inside of conduit 1, to serrated pliers 61 be ejected to the external of conduit 1, so that serrated pliers 61 carry out
Clipping operation；Control-rod 2 can be rotated by rotating second handle 4, so that serrated pliers 61 rotate, so that sawtooth
Pincers 61 change angle orientation, and seal wire is penetrated from the first thread eye 11, is pierced by from the second thread eye 62, the side of allowing the operator to
Just the disengaging of serrated pliers 61 is carried out, while can be avoided 1 bending of conduit and damaging.
Embodiment 2
When specifically used, the rotational angle of serrated pliers 61 is smaller, and activity is inflexible, it has not been convenient to it uses, therefore, I
Improvement is made to adjustable bight portion 6 on the basis of embodiment 1, as shown in fig. 6, adjustable bight portion 6 is close to one end of conduit 1
It is provided with guide rod 64, telescopic rod 63 has closely bonded torque spring 641, torque spring 641 close to one end upper surface of guide rod 64
The other end closely bonded with guide rod 64, telescopic rod 63 close to one end lower surface of guide rod 64 by hinge and guide rod 64 rotation connect
It connects.
In the present embodiment, by the way that the connection between guide rod 64 and telescopic rod 63 is arranged, serrated pliers 61 is enabled to stretch
Overturn when out by hinge, and can by torque spring 641 control overturning range, can activity freely, into
The large range of clamping of row, flexibly uses convenient for operator.
The working principle of the invention: when using the device, it can control the disengaging of serrated pliers 61 by rotating first handle 3
The length of conduit 1, every to rotate first handle 3, gear 33 follows rotation, and when rotating first handle 3, serrated pliers 61 are from leading
It is slowly stretched in pipe 1 along fixing glue 632 and sliding rail 631, jaw gradually magnifies, and opposite direction rotates first handle 3, and jaw is slow
Slowly close up, serrated pliers 61 are outer along fixing glue 632 and the slow pinch in of sliding rail 631,61 maximum extension length of serrated pliers from conduit 1
For 1cm.
Crossing rotation second handle 4 can control the angle of the adjustable bight portion in 1 front end of conduit 6 with conduit 1, every to rotate the
Two handles 4, gear 33 follow rotation, so that the angulation change of serrated pliers 61 leads to after adjustable bight portion 6 is angled
The change of over-angle enables to the bite force of jaw stronger, and the article arrested is not easily to fall off, may be equally applicable for the first heart and is situated between
Enter arresting for the hydrophilic seal wire of operation, facilitates the foundation of artery and vein track.
PTCA seal wire can along the two holes into and out of, can by it is intravascular take object pincers along PCTA seal wire be implanted into guiding catheter
Operating position needed for (or angiography catheter) is sent into afterwards is adjusted serrated pliers 61 and is stretched out and grown by rotation first handle 3 and second handle 4
Degree and jaw size, angle are combined intravascular after recycling serrated pliers 61 are retracted to conduit 1 after clamping the required article taken
Object pincers are taken to withdraw together from guiding catheter (or angiography catheter) is inner.
Wherein it is intravascular take object pincers conduit length be 1.3m, outer diameter 2.0mm, wherein conduit head end 10cm outer diameter be
1.5mm；It is completely new it is intravascular take object pincers to be not used before, serrated pliers 61 separate farthest with conduit 1, jaw opening maximum, adjustable bending
The angle of part 6 and conduit 1 is 45 °, rotates first handle 3 and second handle 4 counterclockwise using preceding elder generation, serrated pliers 61 are reduced to
In conduit 1, and angle is adjusted to 0 °.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (7)
- Object is taken to clamp 1. one kind is intravascular, including conduit (1), it is characterised in that: one end of the conduit (1) is connected with control-rod (2), first handle (3) and second handle (4) are disposed on the control-rod (2), the second handle (4) is far from control One end of bar (2) has closely bonded handle (5), and the conduit (1) is provided with adjustable bight portion far from the one end of control-rod (2) (6), the adjustable bight portion (6) is provided with serrated pliers (61) far from the one end of conduit (1), the middle part surface of the conduit (1) It offers the first thread eye (11), the surface of the adjustable bight portion (6) offers the second thread eye (62)；The surface of the serrated pliers (61) is provided with tooth engaged (611), and the adjustable bight portion (6) is internally provided with telescopic rod (63), the inner wall of the adjustable bight portion (6) is provided with sliding rail (631), and the surface of the sliding rail (631) is provided with several fixations It follows closely (632), the sliding rail (631) is slidably connected with telescopic rod (63), and the telescopic rod (63) opens up at fixing glue (632) There is the sliding slot being slidably connected with fixing glue (632)；The first handle (3) includes shell (31), and the shell (31) is internally provided with inner disc (32), the shell (31) Inner surface be provided with several first sawtooth (311), the outer surface of the inner disc (32) is provided with several second sawtooth (321), Two sides are provided with gear (33) up and down between the inside of the shell (31) and the outer wall of inner disc (32), in the inner disc (32) Portion surface offers threaded hole (322)；The control-rod (2) is internally provided with rotating bar (12), and the rotating bar (12) is slidably connected with control-rod (2), institute It states rotating bar (12) and is threadedly coupled with first handle (3) by the first screw thread (121), the structure of the second handle (4) and the One handle (3) is identical, and one end of the control-rod (2) is threadedly coupled by the second screw thread (21) with second handle (4).
- Intravascular object is taken to clamp 2. according to claim 1, it is characterised in that: the two sides of the gear (33) are respectively with first Sawtooth (311) and the second sawtooth (321) engagement.
- Intravascular object is taken to clamp 3. according to claim 1, it is characterised in that: the inside of the control-rod (2) is hollow knot Structure.
- Intravascular object is taken to clamp 4. according to claim 1, it is characterised in that: the conduit (1) is hollow tubular structure.
- Intravascular object is taken to clamp 5. according to claim 1, it is characterised in that: one end of the rotating bar (12) penetrates conduit (1) inside.
- Intravascular object is taken to clamp 6. according to claim 1, it is characterised in that: the adjustable bight portion (6) is close to conduit (1) One end be provided with guide rod (64).
- Intravascular object is taken to clamp 7. according to claim 6, it is characterised in that: the telescopic rod (63) is close to guide rod (64) One end upper surface has closely bonded torque spring (641), and the other end of the torque spring (641) and guide rod (64) are closely viscous It connects, the telescopic rod (63) is rotatablely connected close to one end lower surface of guide rod (64) by hinge and guide rod (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079166.1A CN109106425B (en) | 2018-09-17 | 2018-09-17 | Forceps for taking out articles from blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811079166.1A CN109106425B (en) | 2018-09-17 | 2018-09-17 | Forceps for taking out articles from blood vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109106425A true CN109106425A (en) | 2019-01-01 |
| CN109106425B CN109106425B (en) | 2021-02-05 |
Family
ID=64858441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811079166.1A Active CN109106425B (en) | 2018-09-17 | 2018-09-17 | Forceps for taking out articles from blood vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109106425B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754547A (en) * | 2021-01-18 | 2021-05-07 | 中南大学湘雅医院 | Multi-degree-of-freedom laparoscopic surgical instrument |
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| US4986825A (en) * | 1988-10-11 | 1991-01-22 | Concept, Inc. | Surgical cutting instrument |
| WO1996039944A1 (en) * | 1995-06-07 | 1996-12-19 | Sri International | Surgical manipulator for a telerobotic system |
| CN1714736A (en) * | 2004-06-14 | 2006-01-04 | 伊西康内外科公司 | Rotational, translational and torqueing control members for an endoscopic instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112754547A (en) * | 2021-01-18 | 2021-05-07 | 中南大学湘雅医院 | Multi-degree-of-freedom laparoscopic surgical instrument |
| CN112754547B (en) * | 2021-01-18 | 2022-03-25 | 中南大学湘雅医院 | Multi-degree-of-freedom laparoscopic surgical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109106425B (en) | 2021-02-05 |
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