CN105997193B - Medical spring forceps - Google Patents
Medical spring forceps Download PDFInfo
- Publication number
- CN105997193B CN105997193B CN201610597870.0A CN201610597870A CN105997193B CN 105997193 B CN105997193 B CN 105997193B CN 201610597870 A CN201610597870 A CN 201610597870A CN 105997193 B CN105997193 B CN 105997193B
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- CN
- China
- Prior art keywords
- spring
- clamping
- force
- axis pin
- clamping part
- Prior art date
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Classifications
-
- 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
- A61B17/2804—Surgical forceps with two or more pivotal connections
-
- 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
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2816—Pivots
-
- 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
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- 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
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2833—Locking means
Abstract
The invention discloses a kind of medical spring forceps, including：First tong arm, the second tong arm and axis pin, the first tong arm and the second tong arm are hinged by axis pin；First tong arm includes being located at the first clamping part of axis pin side, and the first force section positioned at the axis pin other side；Second tong arm includes positioned at axis pin side and second clamping part opposite with the first clamping part, and positioned at the axis pin other side and second force section opposite with the first force section；The medical spring forceps further includes the clamping force adjusting part being connected with the first force section and the second force section, and the clamping force Buffer Unit in clamping force adjusting part or in the first tong arm；Medical spring forceps provided by the invention can not only be realized by clamping force adjusting part adjusts clamping force at any time in the course of surgery, but also can provide elastic force by clamping force Buffer Unit for clamping, avoids causing to damage to vascular tissue；For operation provide facilitate while, ensure operation safety.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly to a kind of medical spring forceps.
Background technology
In the operations such as vascular anastomosis, organ transplant, for being normally carried out for operation, dedicated Medical treatment device is usually utilized
Vascular tissue is clamped in tool, to achieve the purpose that blocking blood flow；It also needs to adjust during surgery when necessary to vascular tissue
Clamping force, with meet operation the needs of.The medical instrument of the clamping vascular tissue of Clinical practice is usually blood vessel clip at present
Or haemostatic clamp.
Referring to Fig. 1, being a kind of structural schematic diagram of existing blood vessel clip.The blood vessel clip includes being rotatablely connected by axis 82
The first clamp arm 80 and the second clamp arm 81, the stud 85 of the inside of the first clamp holder 83 of 80 end of the first clamp arm is connected to, with stud
85 nuts 86 being threadedly coupled, are connected to the spring 87 of 84 inside of the second clamp holder of 81 end of the second clamp arm, and spring 87 is sheathed on
The outside of stud 85 and the end face for being resisted against nut 86.When using the blood vessel clip, often existed according to clinical experience adjusting nut 86
Position on stud 85 with the decrement of adjustment spring 87, and then adjusts the clamping between the first clamp arm 80 and the second clamp arm 81
Dynamics, to meet the demand of operation.Fig. 2 to Fig. 3 is please referred to, is a kind of structural schematic diagram of existing haemostatic clamp.The haemostatic clamp
Including two tong arms 90 being hinged, the clamp handle of 90 end of each tong arm, 91 inside is equipped with adjustment portion 92, in adjustment portion 92
Equipped with several adjusting teeth 93, the adjusting tooth 93 in two adjustment portions 92 is oppositely arranged and can be intermeshed.Using the haemostatic clamp
When, the position of engagement of tooth 93 is adjusted by change, to adjust the clamping force between two tong arms 90.
In shallow-layer operation, above-mentioned blood vessel clip is after tentatively clamping blood vessel still to adjust clamping force by nut 86；
But in deep tissue hemostasis, since the limitation in structure causes the length of blood vessel clip shorter, it is therefore desirable in blood vessel
After folder regulates clamping force, serrefine is recycled to clamp the clamp holder of blood vessel clip, blood vessel is pinched at blood vessel and complete
The clamping of pairs of blood vessel, and the clamping force of blood vessel clip can not being adjusted again by serrefine later, i.e. blood vessel clip
Clamping force can only be determined by the adjusting before blood vessel is clamped, and can not be adjusted, be brought for operation at any time in the course of surgery
It is inconvenient.Although above-mentioned haemostatic clamp can adjust the clamping force between two tong arms 90 at any time in deep tissue hemostasis,
It is inelastic between two tong arms 90 when since vascular tissue being clamped, cause vascular tissue to be in the dead state of being pressed from both sides, one
Denier clamping force is excessive, it is easy to cause to damage to vascular tissue.
Invention content
The present invention goal of the invention be to provide a kind of medical spring forceps, can not to solve existing blood vessel clip or haemostatic clamp
Realization when can adjust clamping force and clamping at any time in the course of surgery there is certain elastic force to be made to avoid to vascular tissue
The problem of at damage.
According to an embodiment of the invention, a kind of medical spring forceps is provided, including：First tong arm, the second tong arm and axis pin,
First tong arm is hinged by the axis pin with second tong arm；First tong arm includes being located at the axis pin side
First clamping part, and the first force section positioned at the axis pin other side；Second tong arm includes being located at the axis pin one
Side and second clamping part opposite with first clamping part, and positioned at the axis pin other side and with first force section
The second opposite force section, the medical spring forceps further include：
The clamping force adjusting part being connected with first force section and second force section, it is described for adjusting
Clamping force between first clamping part and second clamping part；
Clamping force Buffer Unit in the clamping force adjusting part or in first tong arm, is used for
It is first clamping part and second clamping part on the clamping direction of first clamping part and second clamping part
Between elastic force is provided.
Optionally, the clamping force adjusting part includes：It first adjustment portion and is oppositely arranged with first adjustment portion
The second adjustment portion；
First force section includes the first handle set on first force section end, and second force section includes
Second handle set on second force section end；First adjustment portion is connected with the first handle, and described second
Adjustment portion is connected with the second handle；First adjustment portion is with second adjustment portion to the first handle and institute
It states and extends between second handle；First adjustment portion is in the form of a column, and the side of first adjustment portion is equipped with several first and adjusts
Tooth；Second adjustment portion is equipped with adjusts the matched several second adjustings teeth of tooth with described several first.
Further, second adjustment portion is cylindrical in shape, and includes the spring lock chamber being connected with the second handle, and
The adjusting cavity being connected with the spring lock chamber；Adjusting cavity one end opposite with first adjustment portion is equipped with opening；
Described several second adjust the inner wall that tooth is set in the adjusting cavity, adjusts tooth opposite side with described several first；The tune
The internal diameter for saving chamber is more than the outer diameter of first adjustment portion；
The clamping force Buffer Unit includes：Gag lever post and the first spring being sheathed on the gag lever post；The limit
Position bar is fixed on inside the spring lock chamber；The axle center of the gag lever post is overlapped with the axle center of the spring lock chamber；It is described
The length of gag lever post is less than the length of second adjustment portion；The length of first spring is more than the length of the gag lever post,
And less than the length of second adjustment portion.
Alternatively, second adjustment portion is in the form of a column, several second adjustings teeth are set in second adjustment portion and institute
It states several first and adjusts the opposite side of tooth；
The clamping force Buffer Unit includes：Buffer stopper, is set to the second spring of described buffer stopper one end, and is set to
The third spring of the buffer stopper other end；The periphery that the axis pin is corresponded on first tong arm is equipped with hollow-out parts, described slow
The width for rushing block is less than the width of the hollow-out parts；The buffer stopper is set in the hollow-out parts, the second spring and described
Third spring is respectively arranged in the gap between the both ends of the surface of the buffer stopper and the hollow-out parts；The second spring and described
The axis direction of third spring is vertical with the end face of the buffer stopper；The buffer stopper center is equipped with through-hole, and the axis pin is set to
In the through-hole.
Optionally, the clamping force adjusting part includes：First transmission arm, the second transmission arm, the first connecting shaft, second
Connecting shaft, pull rod and sliding block；
One end of first transmission arm is hinged with first force section, and the other end connects with first connecting shaft rotation
It connects；One end of second transmission arm is hinged with second force section, and the other end is rotatablely connected with second connecting shaft；Institute
The one end and the axis pin for stating pull rod are rotatablely connected, and the other end is equipped with pulling part；The slide block set be set to the pull rod on and with
The pull rod is slidably connected；The pull rod surface is equipped with several limiting tooths along the glide direction of the sliding block；It is set on the sliding block
Have and sliding block rotation connection and the matched locking member of the limiting tooth；First connecting shaft and second connection
Axis is located at the both sides of the pull rod；The axis of the axis and the axis pin of first connecting shaft and second connecting shaft
It is parallel；First connecting shaft and second connecting shaft are slidably connected in the extending direction of the pull rod with the sliding block.
Further, the clamping force Buffer Unit includes：The 4th spring inside the sliding block and the 5th spring；
4th spring and the 5th spring are respectively arranged on the both sides of the pull rod；4th spring and described
The axis of five springs is parallel with the pull rod；One end of 4th spring connect axis connection, the other end and institute with described first
Sliding block is stated to be connected；One end of 5th spring connect axis connection with described second, and the other end is connected with the sliding block.
Alternatively, the pull rod includes：First sub bar and the second sub bar；One end of first sub bar is rotated with the axis pin
Connection, the other end are equipped with spring retention cylinder, and the end face of the spring retention cylinder is equipped with opening；One end of second sub bar is equipped with
The pars contractilis being slidably connected in the spring retention cylinder, the other end are equipped with pulling part；
The clamping force Buffer Unit includes：The 6th spring inside the spring retention cylinder；6th bullet
The axis of spring is overlapped with the axis of first sub bar and second sub bar；One end of 6th spring holds with the spring
It sets cylinder to be in contact, the other end is in contact with the end face of the pars contractilis.
Optionally, the clamping force adjusting part includes：First transmission arm, the second transmission arm, the first connecting shaft, second
Connecting shaft, pull rod and sliding block；
First force section includes the first handle set on first force section end, and second force section includes
Second handle set on second force section end；One end of first transmission arm on first force section, it is described
Area rotation connection between axis pin and the first handle, the other end are rotatablely connected with first connecting shaft；Described second
Area rotation connection on one end of transmission arm and second force section, between the axis pin and the second handle, it is another
End is rotatablely connected with second connecting shaft；One end of the pull rod is rotatablely connected with the axis pin；The slide block set is set to institute
It states on pull rod and is slidably connected with the pull rod；The pull rod surface is equipped with several limiting tooths along the glide direction of the sliding block；
The sliding block is equipped with and sliding block rotation connection and the matched locking member of the limiting tooth；First connecting shaft and
Second connecting shaft is located at the both sides of the pull rod；The axis and institute of first connecting shaft and second connecting shaft
The axis for stating axis pin is parallel；The extending direction and the sliding block of first connecting shaft and second connecting shaft in the pull rod
It is slidably connected.
Further, the pull rod includes：First sub bar and the second sub bar；One end of first sub bar turns with the axis pin
Dynamic connection, the other end are equipped with spring retention cylinder, and the end face of the spring retention cylinder is equipped with opening；One end of second sub bar is set
There is the pars contractilis being slidably connected in the spring retention cylinder；
The clamping force Buffer Unit includes：The 6th spring inside the spring retention cylinder；6th bullet
The axis of spring is overlapped with the axis of first sub bar and second sub bar；One end of 6th spring holds with the spring
It sets cylinder to be in contact, the other end is in contact with the end face of the pars contractilis.
Alternatively, the clamping force Buffer Unit includes：The 4th spring inside the sliding block and the 5th spring；
4th spring and the 5th spring are respectively arranged on the both sides of the pull rod；4th spring and described
The axis of five springs is parallel with the pull rod；One end of 4th spring connect axis connection, the other end and institute with described first
Sliding block is stated to be connected；One end of 5th spring connect axis connection with described second, and the other end is connected with the sliding block.
By above technical scheme it is found that medical spring forceps provided by the invention, including：First tong arm, the second tong arm and pin
Axis, the first tong arm and the second tong arm are hinged by axis pin；First tong arm includes the first clamping part positioned at axis pin side, Yi Jiwei
The first force section in the axis pin other side；Second tong arm includes positioned at axis pin side and opposite with the first clamping part second is clamped
Portion, and positioned at the axis pin other side and second force section opposite with the first force section；The medical spring forceps further includes chucking power
Spend adjusting part and clamping force Buffer Unit；Clamping force adjusting part is connected with the first force section and the second force section,
For adjusting the clamping force between the first clamping part and the second clamping part；Clamping force Buffer Unit is adjusted set on clamping force
In component or in the first tong arm, for being the first clamping part in the clamping direction of the first clamping part and the second clamping part
And second provide elastic force between clamping part；It is adjusted at any time in the course of surgery to can both be realized by clamping force adjusting part
Clamping force is saved, and elastic force can be provided by clamping force Buffer Unit for clamping, avoids that vascular tissue is caused to damage；
For operation provide facilitate while, ensure operation safety.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of existing blood vessel clip；
Fig. 2 is a kind of structural schematic diagram of existing haemostatic clamp；
Fig. 3 is the close-up schematic view of the a-quadrant of Fig. 2；
Fig. 4 is the structural schematic diagram of medical spring forceps first embodiment provided in an embodiment of the present invention；
Fig. 5 is the close-up schematic view of the B area of Fig. 4；
Fig. 6 is the structural schematic diagram of medical spring forceps second embodiment provided in an embodiment of the present invention；
Fig. 7 is the close-up schematic view in the regions C of Fig. 6；
Fig. 8 is the structural schematic diagram of medical spring forceps 3rd embodiment provided in an embodiment of the present invention；
Fig. 9 is the close-up schematic view in the regions D of Fig. 8；
Figure 10 is the structural schematic diagram of medical spring forceps fourth embodiment provided in an embodiment of the present invention；
Figure 11 is the close-up schematic view in the regions E of Figure 10；
Figure 12 is the structural schematic diagram of the 5th embodiment of medical spring forceps provided in an embodiment of the present invention；
Figure 13 is the close-up schematic view in the regions F of Figure 12；
Figure 14 is the structural schematic diagram of medical spring forceps sixth embodiment provided in an embodiment of the present invention；
Figure 15 is the close-up schematic view in the regions G of Figure 14；
Figure 16 is a kind of schematic diagram of structure of the first clamping part and the second clamping part；
Figure 17 is the schematic diagram of another structure of the first clamping part and the second clamping part；
Figure 18 is a kind of schematic diagram of tong arm connection structure of medical spring forceps provided by the invention.
Specific implementation mode
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
Whole 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, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Fig. 4 to Fig. 5 is please referred to, is the first embodiment of medical spring forceps provided by the invention, which includes：
First tong arm 1, the second tong arm 2 and axis pin 3, the first tong arm 1 and the second tong arm 2 are hinged by axis pin 3.
First tong arm 1 includes the first clamping part 11 positioned at 3 side of axis pin, and is applied positioned at the first of 3 other side of axis pin
Power portion 12.Second tong arm 2 includes being located at 3 side of axis pin and second clamping part 21 opposite with the first clamping part 11, and be located at
3 other side of axis pin and second force section 22 opposite with the first force section 12.
The medical spring forceps further includes：
The clamping force adjusting part being connected with the first force section 12 and the second force section 22, for adjusting the first clamping
Clamping force between portion 11 and the second clamping part 21.
Clamping force Buffer Unit in clamping force adjusting part, for being clamped in the first clamping part 11 and second
On the clamping direction in portion 21, elastic force is provided between the first clamping part 11 and the second clamping part 21.
Specifically, clamping force adjusting part includes：First adjustment portion 14 and be oppositely arranged with the first adjustment portion 14
Two adjustment portions 24.
Wherein, the first force section 12 includes the first handle 13 set on 12 end of the first force section, the second force section 22 packet
Include the second handle 23 set on 22 end of the second force section.First handle 13 and second handle 23 are annular in shape, are stretched for finger
Enter, to control first handle 13 and second handle 23 by finger, first handle 13 and second handle 23 drive the first tong arm 1
It opens or is closed with the second tong arm 2, it is final to control the first clamping part 11 and the second clamping part 21 opening or be closed.
First adjustment portion 14 is connected with first handle 13, and the second adjustment portion 24 is connected with second handle 23, and first
Adjustment portion 14 and the second adjustment portion 24 extend between first handle 13 and second handle 23.
First adjustment portion 14 is in the form of a column, and the side of the first adjustment portion 14 is equipped with several first and adjusts tooth 141, the second adjustment portion
24 are equipped with and the matched several second adjustings teeth 243 of several first adjustings teeth 141.
Second adjustment portion 24 is cylindrical in shape, and includes the spring lock chamber 241 being connected with second handle 23, and solid with spring
Determine the adjusting cavity 242 that chamber 241 is connected.
The one end opposite with the first adjustment portion 14 of adjusting cavity 242 is equipped with opening, for being stretched into for the first adjustment portion 14.
Several second adjust the inner wall that tooth 243 is set in adjusting cavity 242, adjusts 141 opposite side of tooth with several first, can
The position of engagement that tooth 141 and second adjusts tooth 243 is adjusted by adjusting the first of the first adjustment portion 14, adjusts the first clamping part 11
And the second clamping force between clamping part 21.
Several first adjusting teeth 141 and several second adjusting teeth 243 can parallel interval arrangements.
The internal diameter of adjusting cavity 242 is more than the outer diameter of the first adjustment portion 14, to facilitate the first adjustment portion 14 in the second adjustment portion
Disengaging in 24.
Specifically, clamping force Buffer Unit includes：Gag lever post 244 and the first spring being sheathed on gag lever post 244
245。
Gag lever post 244 is fixed on inside spring lock chamber 241, the axle center in the axle center and spring lock chamber 241 of gag lever post 244
It overlaps.
There is gap, the first spring 245 to be located between gag lever post 244 and the inner wall of spring lock chamber 241 in the gap.
Gag lever post 244 prevents the production in the second adjustment portion 24 of the first spring 245 for being limited to the first spring 245
Life is larger to be moved radially.
The length of gag lever post 244 is less than the length of the second adjustment portion 24, in the present embodiment, the length etc. of gag lever post 244
In the length of spring lock chamber 241, enter adjusting cavity 242 to avoid the first adjustment portion 14 of long influence of gag lever post 244.
The length of first spring 245 is more than the length of gag lever post 244, and less than the length of the second adjustment portion 24, may make
For first spring 245 after the first adjustment portion 14 enters adjusting cavity 242, the first spring 245 generates elastic deformation, to utilize first
The elasticity of spring 245 provides elastic force for the adjusting of the clamping force of the first clamping part 11 and the second clamping part 21.
The first embodiment of medical spring forceps provided by the invention during use, with existing stop by application method
Blood pincers application method is similar, and thumb and middle finger can be respectively protruding into first handle 13 and second handle 23, controlled by finger
The opening or closure of first force section 12 and the second force section 22, to of the first clamping part 11 of control and the second clamping part 21
It opens or is closed.
Control the first clamping part 11 and the second clamping part 21 clamp needed for after the tissues such as the blood vessel that is clamped, pass through clamping force
Adjusting part is adjusted the clamping force of the first clamping part 11 and the second clamping part 21.
Specially：The length that the first adjustment portion 14 stretches into the second adjustment portion 24 is controlled by finger, and then adjusts first and adjusts
The first of section portion 14 adjusts the position of engagement of tooth 141 and the second adjusting tooth 243 of the second adjustment portion 24, so that the first clamping part 11
And second generate different clamping forces between clamping part 21, also can at any time be adjusted by clamping force adjusting part in the course of surgery
Save clamping force.
When adjusting clamping force, the first spring 245 in clamping force Buffer Unit can be the first clamping part 11 and the
The adjusting of the clamping force of two clamping parts 21 provides elastic force, can prevent the first tong arm 1 and second during adjusting clamping force
There is deadlock phenomenon in tong arm 2, is avoided to that deadlock phenomenon is overcome to cause the dynamics adjusted excessive, and damage is caused to vascular tissue
Problem.
After regulating the clamping force between the first clamping part 11 and the second clamping part 21, you can put the medical spring forceps
Under, carry out next surgical procedure.
It when needing to unclamp the clamping to blood vessel, exerts a force first with finger so that the first of the first adjustment portion 14 adjusts tooth
141 adjust tooth 243 with the second of the second adjustment portion 24 is staggered, and passes through finger later and controls the first force section 12 and second force
It opens in portion 22 so that the first clamping part 11 and the second clamping part 21 open, to make medical spring forceps be removed from vascular tissue.
Fig. 6 to Fig. 7 is please referred to, is the second embodiment of medical spring forceps provided by the invention, the second embodiment and the
One embodiment the difference is that：
Second adjustment portion 24 is in the form of a column, and several second, which adjust tooth 243, is set in the second adjustment portion 24 and several first adjustings
The opposite side of tooth 141.
Clamping force Buffer Unit is set in the first tong arm 1, including：Buffer stopper 31, second set on 31 one end of buffer stopper
Spring 32 and third spring 33 set on 31 other end of buffer stopper.
The periphery that axis pin 3 is corresponded on first tong arm 1 is equipped with hollow-out parts 30, and the width of buffer stopper 31 is less than the width of hollow-out parts 30
Degree, so that buffer stopper 31 can have mobile space in hollow-out parts 30.
Buffer stopper 31 is set in hollow-out parts 30, and second spring 32 and third spring 33 are respectively arranged on the both ends of the surface of buffer stopper 31
In gap between hollow-out parts 30.The axis direction of second spring 32 and third spring 33 is vertical with the end face of buffer stopper 31.
31 center of buffer stopper is equipped with through-hole, and axis pin 3 is set in through-hole, to realize that the first tong arm 1 and second clamps
The rotation of arm 2, and can ensure that clamping force Buffer Unit can provide between the first clamping part 11 and the second clamping part 21
Elastic force.
The second embodiment of medical spring forceps provided by the invention during use, with existing stop by application method
Blood pincers application method is similar, and thumb and middle finger can be respectively protruding into first handle 13 and second handle 23, controlled by finger
The opening or closure of first force section 12 and the second force section 22, to of the first clamping part 11 of control and the second clamping part 21
It opens or is closed.
Control the first clamping part 11 and the second clamping part 21 clamp needed for after the tissues such as the blood vessel that is clamped, pass through and adjust clamping
Clamping force is adjusted in dynamics adjusting part.
Specially：The length that the first adjustment portion 14 stretches into the second adjustment portion 24 is controlled by finger, and then adjusts first and adjusts
The first of section portion 14 adjusts the position of engagement of tooth 141 and the second adjusting tooth 243 of the second adjustment portion 24, so that the first clamping part 11
And second generate different clamping forces between clamping part 21, equally, can also pass through clamping force adjusting part in the course of surgery
Clamping force is adjusted at any time.
When vascular tissue is clamped, the buffer stopper 31 in clamping force Buffer Unit, second spring 32 can be passed through
With third spring 33, the clamping force between the first clamping part 11 and the second clamping part 21 provides elastic force, avoids clamping force
It is excessive, vascular tissue is caused to damage.
After regulating the clamping force between the first clamping part 11 and the second clamping part 21, you can put the medical spring forceps
Under, carry out next surgical procedure.
It when needing to unclamp the clamping to blood vessel, exerts a force first with finger so that the first of the first adjustment portion 14 adjusts tooth
141 adjust tooth 243 with the second of the second adjustment portion 24 is staggered, and passes through finger later and controls the first force section 12 and second force
It opens in portion 22 so that the first clamping part 11 and the second clamping part 21 open, to make medical spring forceps be removed from vascular tissue.
Fig. 8 to Fig. 9 is please referred to, is the 3rd embodiment of medical spring forceps provided by the invention, which includes：
First tong arm 1, the second tong arm 2 and axis pin 3, the first tong arm 1 and the second tong arm 2 are hinged by axis pin 3.
First tong arm 1 includes the first clamping part 11 positioned at 3 side of axis pin, and is applied positioned at the first of 3 other side of axis pin
Power portion 12.Second tong arm 2 includes being located at 3 side of axis pin and second clamping part 21 opposite with the first clamping part 11, and be located at
3 other side of axis pin and second force section 22 opposite with the first force section 12.
The medical spring forceps further includes：
The clamping force adjusting part being connected with the first force section 12 and the second force section 22, for adjusting the first clamping
The clamping force in portion 11 and the second clamping part 21.
Clamping force Buffer Unit in clamping force adjusting part, for being clamped in the first clamping part 11 and second
On the clamping direction in portion 21, elastic force is provided between the first clamping part 11 and the second clamping part 21.
Specifically, clamping force adjusting part includes：First transmission arm 51, the second transmission arm 52, the first connecting shaft 53, the
Two connecting shafts 54, pull rod 4 and sliding block 5.
One end of first transmission arm 51 is hinged with the first force section 12, and the other end and the first connecting shaft 53 are rotatablely connected.The
One end of two transmission arms 52 is hinged with the second force section 22, and the other end and the second connecting shaft 54 are rotatablely connected.
One end of pull rod 4 is rotatablely connected with axis pin 3, and the other end is equipped with pulling part 42.
Specifically, pulling part 42 is annular in shape.Preferably, the shape of pulling part 42 is in ellipticity, is stretched into convenient for multiple fingers
And it is pulled.
Further, inner surface of the pulling part 42 far from 4 side of pull rod is equipped with several recessed portions 421, in the present embodiment, recessed
The quantity of concave portion 421 is 4, and convenient four fingers in addition to thumb hold pulling part 42.
Sliding block 5 is sheathed on pull rod 4 and is slidably connected with pull rod 4.
4 surface of pull rod is equipped with several limiting tooths 41 along the glide direction of sliding block 5.
Sliding block 5 is equipped with and the rotation connection of sliding block 5 and 41 matched locking member 51 of limiting tooth.
Locking member 51 is rotatablely connected with sliding block 5, can be when needing the position to sliding block 5 to be fixed, rotation lock part 51
So that it is sticked on limiting tooth 41, realizes the locking to sliding block 5.
When needing to move sliding block 5, it can be made to be detached with limiting tooth 41 with rotation lock part 51, to unclamp
Locking to sliding block 5.
First connecting shaft 53 and the second connecting shaft 54 are located at the both sides of pull rod 4.First connecting shaft 53 and second connects
The axis of axis 54 is parallel with the axis of axis pin 3.The extending direction and sliding block of first connecting shaft 53 and the second connecting shaft 54 in pull rod 4
5 are slidably connected, and the first transmission arm 51 and the second transmission arm 52 can be driven to open or be closed, to adjust by the sliding of sliding block 5
Clamping force between first clamping part 11 and the second clamping part 21.
Specifically, clamping force Buffer Unit includes：The 4th spring 61 inside sliding block 5 and the 5th spring 62.
4th spring 61 and the 5th spring 62 are respectively arranged on the both sides of pull rod 4.The axis of 4th spring 61 and the 5th spring 62
Line is parallel with pull rod 4.
One end of 4th spring 61 is connect with the first connecting shaft 53, and the other end is connected with sliding block 5.The one of 5th spring 62
End is connect with the second connecting shaft 54, and the other end is connected with sliding block 5, can be in the first clamping part of slidable adjustment 11 by sliding block 5
And when the second clamping force between clamping part 21, by between the 4th spring 61 and the first connecting shaft 53, the 5th spring 62 and
Elastic force between two connecting shafts 54 is the adjusting of the clamping force of the first clamping part 11 and the second clamping part 21 into row buffering.
The 3rd embodiment of medical spring forceps provided by the invention when in use, can by one four in addition to thumb on hand
Finger stretches into pulling part 42, and is contacted respectively with four recessed portions 421, pulling part 42 of holding with a firm grip, and another hand push movable slider 5 makes
It is slided along pull rod 4 to the direction far from pulling part 42.
If sliding block 5 is in locking state, first rotation lock part 51 is needed, it is made to be detached with limiting tooth 41, release pair
After the locking of sliding block 5, then push sliding block 4.
During sliding block 4 is slided to the direction far from pulling part 42, the first connecting shaft 53 and the second connecting shaft 54 are driven
It travels forward, so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then drives the first force section 12 and the
It opens two force sections 22 so that the first clamping part 11 and the second clamping part 21 are adjusted to the angle of needs.
After the first clamping part 11 and the second clamping part 21 are opened to required angle, the vascular tissue that need to be clamped is pressed from both sides
It holds.
After vascular tissue is clamped, sliding block 5 is pulled along pull rod 4 toward the direction of pulling part 42, drives first to connect
Spindle 53 and the movement of the second connecting shaft 54 so that the first transmission arm 51 and the second transmission arm 52 are gradually closed, and then drive first
Force section 12 and the second force section 22 are closed, and adjust the first clamping part 11 and the second clamping part 21 to the clamping force of needs.
After regulating the clamping force between the first clamping part 11 and the second clamping part 21, rotation lock part 51 makes it be sticked in
On limiting tooth 41, the locking to sliding block 5 is realized, the clamping to completion to vascular tissue equally can also lead in the course of surgery
It crosses clamping force adjusting part and adjusts clamping force at any time.The medical spring forceps can be put down later, carry out next hand
Art operates.
When needing to unclamp the clamping to vascular tissue, tight pulling part 42, the other hand rotation lock can be held by one
Part 51 unclamps the locking to sliding block 5, later pushes sliding block 5 toward the direction far from pulling part 42, by driving the first connecting shaft
53 and second connecting shaft 54 movement so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then drive first to apply
Power portion 12 and the second force section 22 are opened so that the first clamping part 11 and the second clamping part 21 unclamp the clamping to vascular tissue.
When vascular tissue is clamped in first clamping part 11 and the second clamping part 21, the clamping of the first clamping part 11 and second
Folder is not dead between portion 21, but has certain elasticity.First clamping part 11 and the second clamping part 21 in opening or closure,
The first transmission arm 51 and the second transmission arm 52 can be driven to open or be closed, to drive the first connecting shaft 53 and the second connecting shaft 54
Sliding is generated in sliding block 5, is the first clamping part 11 and the second clamping part under the action of the 4th spring 61 and the 5th spring 62
21 clamping provides elastic force, avoids the problem that causing damage to vascular tissue.
Please refer to Fig.1 0 to Figure 11, be medical spring forceps provided by the invention fourth embodiment, the fourth embodiment with
3rd embodiment the difference is that：
Pull rod 4 includes：First sub bar 401 and the second sub bar 402.
One end of first sub bar 401 is rotatablely connected with axis pin 3, and the other end is equipped with spring retention cylinder 403, spring retention cylinder
403 end face is equipped with opening.
One end of second sub bar 402 is equipped with the pars contractilis 404 being slidably connected in spring retention cylinder 403, and the other end is equipped with
Pulling part 42.
Clamping force Buffer Unit includes：The 6th spring 405 inside spring retention cylinder 403.
The axis of 6th spring 405 is overlapped with the axis of the first sub bar 401 and the second sub bar 402.The one of 6th spring 405
End is in contact with spring retention cylinder 403, and the other end is in contact with the end face of pars contractilis 404.The present embodiment is by pull rod 4 the 6th
Lower generate of the effect of spring 405 is stretched, to provide elastic force for the clamping of the first clamping part 11 and the second clamping part 21.
The fourth embodiment of medical spring forceps provided by the invention when in use, application method and 3rd embodiment phase
Together, details are not described herein again.In the course of surgery, method identical with 3rd embodiment can be used, to the first clamping part 11 and
Clamping force between two clamping parts 21 is adjusted.
When vascular tissue is clamped in first clamping part 11 and the second clamping part 21, the clamping of the first clamping part 11 and second
Folder is not dead between portion 21, but has certain elasticity.First clamping part 11 and the second clamping part 21 in opening or closure,
The first sub bar 401 and the second sub bar 402 can be driven to stretch under the action of the 6th spring 405, pass through the bullet of the 6th spring 405
Property, elastic force is provided for the clamping of the first clamping part 11 and the second clamping part 21, avoids the problem that causing damage to vascular tissue.
2 to Figure 13 are please referred to Fig.1, is a kind of 5th embodiment of medical spring forceps provided by the invention, the medical spring
Pincers include：First tong arm 1, the second tong arm 2 and axis pin 3, the first tong arm 1 and the second tong arm 2 are hinged by axis pin 3.
First tong arm 1 includes the first clamping part 11 positioned at 3 side of axis pin, and is applied positioned at the first of 3 other side of axis pin
Power portion 12.Second tong arm 2 includes being located at 3 side of axis pin and second clamping part 21 opposite with the first clamping part 11, and be located at
3 other side of axis pin and second force section 22 opposite with the first force section 12.
The medical spring forceps further includes：
The clamping force adjusting part being connected with the first force section 12 and the second force section 22, for adjusting the first clamping
The clamping force in portion 11 and the second clamping part 21.
Clamping force Buffer Unit in clamping force adjusting part, for being clamped in the first clamping part 11 and second
On the clamping direction in portion 21, elastic force is provided between the first clamping part 11 and the second clamping part 21.
Specifically, clamping force adjusting part includes：First transmission arm 51, the second transmission arm 52, the first connecting shaft 53, the
Two connecting shafts 54, pull rod 4 and sliding block 5.
Wherein, the first force section 12 includes the first handle 13 set on 12 end of the first force section, the second force section 22 packet
Include the second handle 23 set on 22 end of the second force section.First handle 13 and second handle 23 are annular in shape, are stretched for finger
Enter, to control first handle 13 and second handle 23 by finger finger, first handle 13 and second handle 23 drive first
Tong arm 1 and the second tong arm 2 are opened or are closed, final to control the first clamping part 11 and the second clamping part 21 opening or be closed.
Area rotation on one end of first transmission arm 51 and the first force section 12, between axis pin 3 and first handle 13 connects
It connects, the other end and the first connecting shaft 53 are rotatablely connected.
Area rotation on one end of second transmission arm 52 and the second force section 22, between axis pin 3 and second handle 23 connects
It connects, the other end and the second connecting shaft 54 are rotatablely connected.
One end of pull rod 4 is rotatablely connected with axis pin 3.
Sliding block 5 is sheathed on pull rod 4 and is slidably connected with pull rod 4.
4 surface of pull rod is equipped with several limiting tooths 41 along the glide direction of sliding block 5.
Sliding block 5 is equipped with and the rotation connection of sliding block 5 and 41 matched locking member 51 of limiting tooth.
Locking member 51 is rotatablely connected with sliding block 5, can be when needing the position to sliding block 5 to be fixed, rotation lock part 51
So that it is sticked on limiting tooth 41, realizes the locking to sliding block 5.
First connecting shaft 53 and the second connecting shaft 54 are located at the both sides of pull rod 4.First connecting shaft 53 and second connects
The axis of axis 54 is parallel with the axis of axis pin 3.The extending direction and sliding block of first connecting shaft 53 and the second connecting shaft 54 in pull rod 4
5 are slidably connected.
Pull rod 4 includes：First sub bar 401 and the second sub bar 402.
One end of first sub bar 401 is rotatablely connected with axis pin 3, and the other end is equipped with spring retention cylinder 403, spring retention cylinder
403 end face is equipped with opening.One end of second sub bar 402 is equipped with the pars contractilis 404 being slidably connected in spring retention cylinder 403,
The other end is equipped with pulling part 42.
Clamping force Buffer Unit includes：The 6th spring 405 inside spring retention cylinder 403.
The axis of 6th spring 405 is overlapped with the axis of the first sub bar 401 and the second sub bar 402.The one of 6th spring 405
End is in contact with spring retention cylinder 403, and the other end is in contact with the end face of pars contractilis 404.The present embodiment is by pull rod 4 the 6th
Lower generate of the effect of spring 405 is stretched, to provide elastic force for the clamping of the first clamping part 11 and the second clamping part 21.
5th embodiment of medical spring forceps provided by the invention when in use, first can be slided sliding block 5 according to clinical experience
It moves to specific position, then rotation lock part 51 locks sliding block 5.
Finger is stretched into first handle 13 and second handle 23 later, by controlling the first force section 12 and the second force section
22 opening or the opening or closure for being closed control the first clamping part 11 and the second clamping part 21, and to the clamping of vascular tissue.
When needing to unclamp the clamping to vascular tissue, tight pulling part 42, the other hand rotation lock can be held by one
Part 51 unclamps the locking to sliding block 5, later pushes sliding block 5 toward the direction far from pulling part 42, by driving the first connecting shaft
53 and second connecting shaft 54 movement so that the first transmission arm 51 and the second transmission arm 52 gradually open, and then drive first to apply
Power portion 12 and the second force section 22 are opened so that the first clamping part 11 and the second clamping part 21 unclamp the clamping to vascular tissue.
Alternatively, can also first handle 13 and second handle 23 directly stretch by hand, the first force section 12 and the are controlled
Two force sections 22 are opened, so that the first clamping part 11 and the second clamping part 21 unclamp the clamping to vascular tissue, Zhi Houzai
Rotation lock part 51 unclamps the locking to sliding block 5.
It in the course of surgery, can also be in the folder to vascular tissue if there is a little bias in 5 position of sliding block adjusted before
After holding, rotation lock part 51 unclamps the locking to sliding block 5, then the position of adjusting slider 5, to the first clamping part 11 and second
Clamping force between clamping part 21 is adjusted again, is arrived suitable clamping force until adjusting, locking member 51 is rotated further by, to cunning
Block 5 is locked.
When vascular tissue is clamped in first clamping part 11 and the second clamping part 21, the clamping of the first clamping part 11 and second
Folder is not dead between portion 21, but has certain elasticity.First clamping part 11 and the second clamping part 21 in opening or closure,
The first sub bar 401 and the second sub bar 402 can be driven to stretch under the action of the 6th spring 405, pass through the bullet of the 6th spring 405
Property, elastic force is provided for the clamping of the first clamping part 11 and the second clamping part 21, avoids the problem that causing damage to vascular tissue.
Please refer to Fig.1 4 to Figure 15, be medical spring forceps provided by the invention sixth embodiment, the sixth embodiment with
5th embodiment the difference is that：
Clamping force Buffer Unit includes：The 4th spring 61 inside sliding block 5 and the 5th spring 62.
4th spring 61 and the 5th spring 62 are respectively arranged on the both sides of pull rod 4.The axis of 4th spring 61 and the 5th spring 62
Line is parallel with pull rod 4.
One end of 4th spring 61 is connect with the first connecting shaft 53, and the other end is connected with sliding block 5.The one of 5th spring 62
End is connect with the second connecting shaft 54, and the other end is connected with sliding block 5, can be in the first clamping part of slidable adjustment 11 by sliding block 5
And when the second clamping force between clamping part 21, by between the 4th spring 61 and the first connecting shaft 53, the 5th spring 62 and
Elastic force between two connecting shafts 54 is the adjusting of the clamping force of the first clamping part 11 and the second clamping part 21 into row buffering.
The sixth embodiment of medical spring forceps provided by the invention when in use, application method and the 5th embodiment phase
Together, details are not described herein again.In the course of surgery, method identical with the 5th embodiment can be used, to the first clamping part 11 and
Clamping force between two clamping parts 21 is adjusted.
When vascular tissue is clamped in first clamping part 11 and the second clamping part 21, the clamping of the first clamping part 11 and second
Folder is not dead between portion 21, but has certain elasticity.First clamping part 11 and the second clamping part 21 in opening or closure,
The first transmission arm 51 and the second transmission arm 52 can be driven to open or be closed, to drive the first connecting shaft 53 and the second connecting shaft 54
Sliding is generated in sliding block 5, is the first clamping part 11 and the second clamping part under the action of the 4th spring 61 and the 5th spring 62
21 clamping provides elastic force, avoids the problem that causing damage to vascular tissue.
It should be noted that the first clamping part 11 and the second clamping part 21 in above-mentioned first to sixth embodiment can be
Fig. 4 can also be flexure type shown in perpendicular type structure or Figure 17 shown in Figure 16 to linear structure shown in figure 15
Structure or other structures.The connection type of first tong arm 1 and the second tong arm 2 and axis pin 3 is also not necessarily limited to Fig. 4 to knot shown in figure 15
Structure can also be structure or other structures shown in Figure 18.Each component can use gold according to actual needs in medical spring forceps
Belong to, the materials such as highstrenghtpiston are made, and preferably stainless steel is material.
In addition, the first spring 245, second spring 32, third spring 33, the 4th bullet in above-mentioned first to sixth embodiment
Spring 61, the 5th spring 62 and the 6th spring 405 can select different types of spring as needed, such as tension spring or compression spring, according to
The concrete structure of medical spring ring selects the spring type that can most meet elastic force needs.
By above technical scheme it is found that medical spring forceps provided by the invention, including：First tong arm 1,2 and of the second tong arm
Axis pin 3, the first tong arm 1 and the second tong arm 2 are hinged by axis pin 3；First tong arm 1 includes the first clamping positioned at 3 side of axis pin
Portion 11, and the first force section 12 positioned at 3 other side of axis pin；Second tong arm 2 includes being clamped positioned at 3 side of axis pin and with first
The second opposite clamping part 21 of portion 11, and positioned at 3 other side of axis pin and second force section 22 opposite with the first force section 12.
The medical spring forceps further includes clamping force adjusting part and clamping force Buffer Unit；Clamping force adjusting part is applied with first
Power portion 12 is connected with the second force section 22, the clamping force for adjusting the first clamping part 11 and the second clamping part 21；Clamping
Dynamics Buffer Unit is set in clamping force adjusting part or in the first tong arm 1, in the first clamping part 11 and second
On the clamping direction of clamping part 21, elastic force is provided between the first clamping part 21 and the second clamping part 22；Clamping force can be passed through
Adjusting part realization adjusts clamping force at any time in the course of surgery, and elastic force is provided for clamping by clamping force Buffer Unit,
It avoids that vascular tissue is caused to damage；For operation provide facilitate while, ensure operation safety.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the present invention
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and includes undocumented common knowledge in the art of the invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the invention is not limited in the precision architectures for being described above and being shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (8)
1. a kind of medical spring forceps, including：First tong arm (1), the second tong arm (2) and axis pin (3), first tong arm (1) with
Second tong arm (2) is hinged by the axis pin (3)；First tong arm (1) includes the first folder positioned at the axis pin (3) side
Hold portion (11), and the first force section (12) positioned at the axis pin (3) other side；Second tong arm (2) includes being located at institute
State axis pin (3) side and second clamping part (21) opposite with first clamping part (11), and another positioned at the axis pin (3)
Side and second force section (22) opposite with first force section (12), which is characterized in that the medical spring forceps also wraps
It includes：
The clamping force adjusting part being connected with first force section (12) and second force section (22), for adjusting
Clamping force between first clamping part (11) and second clamping part (21)；
Clamping force Buffer Unit in the clamping force adjusting part or in first tong arm (1), is used for
On the clamping direction of first clamping part (11) and second clamping part (21), for first clamping part (11) and institute
It states and provides elastic force between the second clamping part (21)；
The clamping force adjusting part includes：First adjustment portion (14) and be oppositely arranged with first adjustment portion (14)
Two adjustment portions (24)；
First force section (12) includes the first handle (13) set on the first force section (12) end, and described second applies
Power portion (22) includes the second handle (23) set on the second force section (22) end；First adjustment portion (14) with it is described
First handle (13) is connected, and second adjustment portion (24) is connected with the second handle (23)；First adjustment portion
(14) extend between the first handle (13) and the second handle (23) with the second adjustment portion (24)；Described first adjusts
Section portion (14) is in the form of a column, and the side of first adjustment portion (14) is equipped with several first and adjusts tooth (141)；Second adjustment portion
(24) it is equipped with and adjusts the matched several second adjusting teeth (243) of tooth (141) with described several first；
Second adjustment portion (24) is cylindrical in shape, and includes the spring lock chamber (241) being connected with the second handle (23), with
And the adjusting cavity (242) being connected with the spring lock chamber (241)；The adjusting cavity (242) and first adjustment portion
(14) opposite one end is equipped with opening；Several second adjusting teeth (243) are set in the adjusting cavity (242) and the number
A first adjusts the inner wall of tooth (141) opposite side；The internal diameter of the adjusting cavity (242) is more than first adjustment portion (14)
Outer diameter；
The clamping force Buffer Unit includes：Gag lever post (244) and the first spring being sheathed on the gag lever post (244)
(245)；It is internal that the gag lever post (244) is fixed on the spring lock chamber (241)；The axle center of the gag lever post (244) and institute
The axle center for stating spring lock chamber (241) overlaps；The length of the gag lever post (244) is less than the length of second adjustment portion (24)
Degree；The length of first spring (245) is more than the length of the gag lever post (244), and is less than second adjustment portion (24)
Length.
2. a kind of medical spring forceps, including：First tong arm (1), the second tong arm (2) and axis pin (3), first tong arm (1) with
Second tong arm (2) is hinged by the axis pin (3)；First tong arm (1) includes the first folder positioned at the axis pin (3) side
Hold portion (11), and the first force section (12) positioned at the axis pin (3) other side；Second tong arm (2) includes being located at institute
State axis pin (3) side and second clamping part (21) opposite with first clamping part (11), and another positioned at the axis pin (3)
Side and second force section (22) opposite with first force section (12), which is characterized in that the medical spring forceps also wraps
It includes：
The clamping force adjusting part being connected with first force section (12) and second force section (22), for adjusting
Clamping force between first clamping part (11) and second clamping part (21)；
Clamping force Buffer Unit in the clamping force adjusting part or in first tong arm (1), is used for
On the clamping direction of first clamping part (11) and second clamping part (21), for first clamping part (11) and institute
It states and provides elastic force between the second clamping part (21)；
The clamping force adjusting part includes：First adjustment portion (14) and be oppositely arranged with first adjustment portion (14)
Two adjustment portions (24)；
First force section (12) includes the first handle (13) set on the first force section (12) end, and described second applies
Power portion (22) includes the second handle (23) set on the second force section (22) end；First adjustment portion (14) with it is described
First handle (13) is connected, and second adjustment portion (24) is connected with the second handle (23)；First adjustment portion
(14) extend between the first handle (13) and the second handle (23) with the second adjustment portion (24)；Described first adjusts
Section portion (14) is in the form of a column, and the side of first adjustment portion (14) is equipped with several first and adjusts tooth (141)；Second adjustment portion
(24) it is equipped with and adjusts the matched several second adjusting teeth (243) of tooth (141) with described several first；
Second adjustment portion (24) is in the form of a column, it is described it is several second adjust teeth (243) be set to second adjustment portion (24) on,
The side opposite with several first adjustings tooth (141)；
The clamping force Buffer Unit includes：Buffer stopper (31) is set to the second spring (32) of the buffer stopper (31) one end,
And the third spring (33) set on the buffer stopper (31) other end；The axis pin (3) is corresponded on first tong arm (1)
Periphery is equipped with hollow-out parts (30), and the width of the buffer stopper (31) is less than the width of the hollow-out parts (30)；The buffer stopper
(31) it is set in the hollow-out parts (30), the second spring (32) and the third spring (33) are respectively arranged on the buffer stopper
(31) in the gap between both ends of the surface and the hollow-out parts (30)；The second spring (32) and the third spring (33)
Axis direction is vertical with the end face of the buffer stopper (31)；Buffer stopper (31) center is equipped with through-hole, and the axis pin (3) is set to
In the through-hole.
3. a kind of medical spring forceps, including：First tong arm (1), the second tong arm (2) and axis pin (3), first tong arm (1) with
Second tong arm (2) is hinged by the axis pin (3)；First tong arm (1) includes the first folder positioned at the axis pin (3) side
Hold portion (11), and the first force section (12) positioned at the axis pin (3) other side；Second tong arm (2) includes being located at institute
State axis pin (3) side and second clamping part (21) opposite with first clamping part (11), and another positioned at the axis pin (3)
Side and second force section (22) opposite with first force section (12), which is characterized in that the medical spring forceps also wraps
It includes：
The clamping force adjusting part being connected with first force section (12) and second force section (22), for adjusting
Clamping force between first clamping part (11) and second clamping part (21)；
Clamping force Buffer Unit in the clamping force adjusting part or in first tong arm (1), is used for
On the clamping direction of first clamping part (11) and second clamping part (21), for first clamping part (11) and institute
It states and provides elastic force between the second clamping part (21)；
The clamping force adjusting part includes：First transmission arm (51), the second transmission arm (52), the first connecting shaft (53), the
Two connecting shafts (54), pull rod (4) and sliding block (5)；
One end of first transmission arm (51) is hinged with first force section (12), the other end and first connecting shaft
(53) it is rotatablely connected；One end of second transmission arm (52) and second force section (22) are hinged, the other end and described the
Two connecting shafts (54) are rotatablely connected；One end of the pull rod (4) is rotatablely connected with the axis pin (3), and the other end is equipped with pulling part
(42)；The sliding block (5) is sheathed on the pull rod (4) and is slidably connected with the pull rod (4)；Pull rod (4) the surface edge
The glide direction of the sliding block (5) is equipped with several limiting tooths (41)；The sliding block (5), which is equipped with to rotate with the sliding block (5), to be connected
Connect, with the limiting tooth (41) matched locking member (51)；First connecting shaft (53) and second connecting shaft (54)
It is located at the both sides of the pull rod (4)；The axis of first connecting shaft (53) and second connecting shaft (54) with it is described
The axis of axis pin (3) is parallel；The extension side of first connecting shaft (53) and second connecting shaft (54) in the pull rod (4)
It is slidably connected to the sliding block (5).
4. medical spring forceps according to claim 3, which is characterized in that the clamping force Buffer Unit includes：It is set to
The sliding block (5) internal the 4th spring (61) and the 5th spring (62)；
4th spring (61) and the 5th spring (62) are respectively arranged on the both sides of the pull rod (4)；4th spring
(61) and the axis of the 5th spring (62) is parallel with the pull rod (4)；One end of 4th spring (61) and described the
One connecting shaft (53) connects, and the other end is connected with the sliding block (5)；One end of 5th spring (62) connects with described second
Spindle (54) connects, and the other end is connected with the sliding block (5).
5. medical spring forceps according to claim 3, which is characterized in that the pull rod (4) includes：First sub bar (401)
With the second sub bar (402)；One end of first sub bar (401) is rotatablely connected with the axis pin (3), and the other end holds equipped with spring
Cylinder (403) is set, the end face of the spring retention cylinder (403) is equipped with opening；One end of second sub bar (402) is equipped with sliding and connects
The pars contractilis (404) being connected in the spring retention cylinder (403), the other end are equipped with pulling part (42)；
The clamping force Buffer Unit includes：Sixth spring (405) internal set on the spring retention cylinder (403)；It is described
The axis of 6th spring (405) is overlapped with the axis of first sub bar (401) and second sub bar (402)；Described 6th
One end of spring (405) is in contact with the spring retention cylinder (403), and the other end connects with the end face of the pars contractilis (404)
It touches.
6. a kind of medical spring forceps, including：First tong arm (1), the second tong arm (2) and axis pin (3), first tong arm (1) with
Second tong arm (2) is hinged by the axis pin (3)；First tong arm (1) includes the first folder positioned at the axis pin (3) side
Hold portion (11), and the first force section (12) positioned at the axis pin (3) other side；Second tong arm (2) includes being located at institute
State axis pin (3) side and second clamping part (21) opposite with first clamping part (11), and another positioned at the axis pin (3)
Side and second force section (22) opposite with first force section (12), which is characterized in that the medical spring forceps also wraps
It includes：
The clamping force adjusting part being connected with first force section (12) and second force section (22), for adjusting
Clamping force between first clamping part (11) and second clamping part (21)；
Clamping force Buffer Unit in the clamping force adjusting part or in first tong arm (1), is used for
On the clamping direction of first clamping part (11) and second clamping part (21), for first clamping part (11) and institute
It states and provides elastic force between the second clamping part (21)；
The clamping force adjusting part includes：First transmission arm (51), the second transmission arm (52), the first connecting shaft (53), the
Two connecting shafts (54), pull rod (4) and sliding block (5)；
First force section (12) includes the first handle (13) set on the first force section (12) end, and described second applies
Power portion (22) includes the second handle (23) set on the second force section (22) end；One end of first transmission arm (51)
With on first force section (12), the axis pin (3) connect with the area rotation between the first handle (13), the other end
It is rotatablely connected with first connecting shaft (53)；On one end of second transmission arm (52) and second force section (22),
The axis pin (3) connect with the area rotation between the second handle (23), and the other end turns with second connecting shaft (54)
Dynamic connection；One end of the pull rod (4) is rotatablely connected with the axis pin (3)；The sliding block (5) is sheathed on the pull rod (4)
And it is slidably connected with the pull rod (4)；Pull rod (4) surface is equipped with several limiting tooths along the glide direction of the sliding block (5)
(41)；The sliding block (5) is equipped with and the sliding block (5) rotation connection and the limiting tooth (41) matched locking member
(51)；First connecting shaft (53) and second connecting shaft (54) are located at the both sides of the pull rod (4)；Described first
The axis of connecting shaft (53) and second connecting shaft (54) is parallel with the axis of the axis pin (3)；First connecting shaft
(53) it is slidably connected with the sliding block (5) in the extending direction of the pull rod (4) with second connecting shaft (54).
7. medical spring forceps according to claim 6, which is characterized in that the pull rod (4) includes：First sub bar (401)
With the second sub bar (402)；One end of first sub bar (401) is rotatablely connected with the axis pin (3), and the other end holds equipped with spring
Cylinder (403) is set, the end face of the spring retention cylinder (403) is equipped with opening；One end of second sub bar (402) is equipped with sliding and connects
The pars contractilis (404) being connected in the spring retention cylinder (403)；
The clamping force Buffer Unit includes：Sixth spring (405) internal set on the spring retention cylinder (403)；It is described
The axis of 6th spring (405) is overlapped with the axis of first sub bar (401) and second sub bar (402)；Described 6th
One end of spring (405) is in contact with the spring retention cylinder (403), and the other end connects with the end face of the pars contractilis (404)
It touches.
8. medical spring forceps according to claim 6, which is characterized in that the clamping force Buffer Unit includes：It is set to
The sliding block (5) internal the 4th spring (61) and the 5th spring (62)；
4th spring (61) and the 5th spring (62) are respectively arranged on the both sides of the pull rod (4)；4th spring
(61) and the axis of the 5th spring (62) is parallel with the pull rod (4)；One end of 4th spring (61) and described the
One connecting shaft (53) connects, and the other end is connected with the sliding block (5)；One end of 5th spring (62) connects with described second
Spindle (54) connects, and the other end is connected with the sliding block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597870.0A CN105997193B (en) | 2016-07-27 | 2016-07-27 | Medical spring forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597870.0A CN105997193B (en) | 2016-07-27 | 2016-07-27 | Medical spring forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105997193A CN105997193A (en) | 2016-10-12 |
| CN105997193B true CN105997193B (en) | 2018-10-09 |
Family
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| KR101927605B1 (en) * | 2017-01-23 | 2018-12-10 | 인제대학교 산학협력단 | Potts-Smith scissors |
| CN107334510A (en) * | 2017-06-26 | 2017-11-10 | 李印 | A kind of medical clamping pincers |
| CN107693083A (en) * | 2017-10-31 | 2018-02-16 | 中国人民解放军第二军医大学 | Adjustable blood vessel blocking device |
| CN108186075A (en) * | 2018-02-12 | 2018-06-22 | 中南大学湘雅二医院 | Vascular tissue's resistance control device |
| CN108403187B (en) * | 2018-03-14 | 2023-06-30 | 江苏省人民医院（南京医科大学第一附属医院） | Multifunctional surgical locking pliers |
| CN110859657A (en) * | 2019-11-07 | 2020-03-06 | 江苏省肿瘤医院 | Endoscope blood vessel tunnel pincers |
| CN111129416A (en) * | 2019-12-30 | 2020-05-08 | 东莞市沃泰通新能源有限公司 | Battery multi-tab fixing device and battery |
| CN113397633B (en) * | 2021-05-24 | 2022-09-20 | 日照贝朗宁生物科技有限公司 | End changeable hemostatic forceps of pincerlike operation that facilitates use |
| CN115813456B (en) * | 2022-12-09 | 2023-06-27 | 沈阳医学院附属第二医院 | Endocardial myocardial biopsy forceps and application method thereof |
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| CN206063198U (en) * | 2016-07-27 | 2017-04-05 | 中国人民解放军第三军医大学第二附属医院 | Medical spring forceps |
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| US7806907B2 (en) * | 2001-10-01 | 2010-10-05 | The Cleveland Clinic Foundation | Skin lesion exciser and skin-closure device therefor |
| US7481766B2 (en) * | 2003-08-14 | 2009-01-27 | Synthes (U.S.A.) | Multiple-blade retractor |
| DE102005027418A1 (en) * | 2005-06-14 | 2006-12-28 | University Of Dundee, Dundee | Medical gripping and / or cutting instrument |
| CN201595892U (en) * | 2009-11-30 | 2010-10-06 | 王富 | Powder metallurgical combined forceps for limb fracture surgical suture |
| CN201642267U (en) * | 2010-01-20 | 2010-11-24 | 丁文鸽 | Tibiofibular syndesmosis separation and tibial plateau fracture resetting maintainer |
| DE102011083331B4 (en) * | 2011-09-23 | 2019-01-24 | Olympus Winter & Ibe Gmbh | gripping instrument |
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| CN202740082U (en) * | 2012-09-18 | 2013-02-20 | 汕头大学医学院第一附属医院 | Portable herringbone tweezers |
| CN104939895B (en) * | 2015-07-25 | 2017-04-05 | 青岛市市立医院 | A kind of Medical forceps |
| CN205031320U (en) * | 2015-10-06 | 2016-02-17 | 孙利平 | Prevent cross infection's hemostatic forceps |
| CN205083564U (en) * | 2015-10-19 | 2016-03-16 | 刘云鹤 | Tumor tissue fixes clamping device |
| CN205307069U (en) * | 2015-12-15 | 2016-06-15 | 深圳市盐田区人民医院 | Fracture of medial malleolus resets and fixes guider |
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| CN206063198U (en) * | 2016-07-27 | 2017-04-05 | 中国人民解放军第三军医大学第二附属医院 | Medical spring forceps |
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