CN106137272A - A kind of head rotary type biopsy forceps - Google Patents
A kind of head rotary type biopsy forceps Download PDFInfo
- Publication number
- CN106137272A CN106137272A CN201610638007.5A CN201610638007A CN106137272A CN 106137272 A CN106137272 A CN 106137272A CN 201610638007 A CN201610638007 A CN 201610638007A CN 106137272 A CN106137272 A CN 106137272A
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- Prior art keywords
- head
- hole
- movable part
- driving section
- rotary type
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- 238000001574 biopsy Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000010355 oscillation Effects 0.000 claims description 8
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 206010017993 Gastrointestinal neoplasms Diseases 0.000 description 2
- 208000032177 Intestinal Polyps Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 208000005718 Stomach Neoplasms Diseases 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010017758 gastric cancer Diseases 0.000 description 2
- 238000010827 pathological analysis Methods 0.000 description 2
- 201000011549 stomach cancer Diseases 0.000 description 2
- 206010009944 Colon cancer Diseases 0.000 description 1
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 1
- 206010027336 Menstruation delayed Diseases 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 208000010643 digestive system disease Diseases 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 201000011591 microinvasive gastric cancer Diseases 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4222—Evaluating particular parts, e.g. particular organs
- A61B5/4238—Evaluating particular parts, e.g. particular organs stomach
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4222—Evaluating particular parts, e.g. particular organs
- A61B5/4255—Intestines, colon or appendix
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B2010/009—Various features of diagnostic instruments
Abstract
The present invention relates to medical instruments field, disclose a kind of head rotary type biopsy forceps, this head rotary type biopsy forceps includes: grip part, caliper, head, binding clip drive mechanism and head drive mechanism with binding clip, it is characterized in that, head drive mechanism includes the first manipulation portion, the first driving section and wobble component；Offering the first through hole, the second through hole in caliper, the first transmission portion is in the first through hole；Wherein, wobble component includes the first movable part, the second movable part, and the second movable part is connected with head.In embodiment of the present invention, doing rotary motion forward or backwards by the first manipulation portion axis around grip part, and then drive the first driving section, the first movable part and the second movable part to rotate, head carries out swing back and forth along with the rotation of the second movable part.The problem efficiently solving sampling " blind area ".
Description
Technical field
The present invention relates to medical instruments field, particularly to a kind of head rotary type biopsy forceps.
Background technology
In recent years, the sickness rate of human primary gastrointestinal cancers does not decline along with the growing of medical science, on the contrary because of dietary structure, ring
The many factors such as border, heredity presents soaring gesture.Getting up early diagnosis, early treatment for these diseases are to avoid cancer metastasis
And the optimal path that complication occurs, such as: early gastric cancer can reach under effective surgical means and chemicotherapy assist
The purpose of recovery from illness, if proceeding to late period because of the most undiscovered, its 5 annual survival rate will be greatly reduced.It addition, according to the U.S.
The result of study that ASC (American Cancer Society) announced in 2005, the five year survival rate of gastric cancer was past 25 years
In do not obtain and significantly improve, and pipe intestinal polyp is as the precancerous lesion of the diseases such as a kind of generally acknowledged gastric cancer, colorectal cancer,
In advance pipe intestinal polyp is carried out pathological analysis and has important for aspects such as early discovery human primary gastrointestinal cancers, the survival rates improving patient
Meaning.
At present in clinical practice, head rotary type biopsy forceps is widely applied, and it is that doctor is to digestive disease
Carry out the indispensable instrument of pathological diagnosis.But in use, can not be flexible due to the head of head rotary type biopsy forceps
Rotate, often there is " blind area " of sampling, and then cause part tested tissue to sample.
In sum, we need a kind of head rotatable head rotary type biopsy forceps of offer badly.
Summary of the invention
It is an object of the invention to provide a kind of head rotary type biopsy forceps so that the head of head rotary type biopsy forceps
Portion can rotate flexibly, the problem solving sampling " blind area ".
For solving above-mentioned technical problem, embodiments of the present invention provide a kind of head rotary type biopsy forceps,
Fix the caliper being connected, the head with binding clip and being connected with caliper with grip part including: grip part, beat for controlling binding clip
The binding clip drive mechanism opening or close and for controlling the head drive mechanism of head oscillation, it is characterised in that head drives
Mechanism include the first driving section that the first manipulation portion being set on grip part is connected with the first manipulation portion and with the first transmission
The wobble component that portion connects；Offer the first through hole, the second through hole in caliper, the first transmission portion offer in caliper first
In through hole；
Wherein, wobble component includes what the first movable part being connected with the first driving section and the first movable part transmission coordinated
Second movable part, the second movable part is connected with head；
After the rotation forward or backwards of the first manipulation portion axis around grip part, drive the first driving section, the first movable part
And second movable part rotate, head swings along with the rotation of the second movable part；
In a preset ratio relation between the number of degrees and the angle of head oscillation that first manipulation portion rotates relative to grip part.
Embodiment of the present invention in terms of existing technologies, by the first manipulation portion axis around grip part do forward or
Reverse rotary motion, and then drive the first driving section, the first movable part and the second movable part to rotate, head is along with the
The rotation of two movable parts carries out swing back and forth.Thus the problem effectively solving to sample " blind area ".
Further, for enabling binding clip to realize opening or closing in binding clip drive mechanism, head includes being connected with caliper
The binding clip that is connected with bracing frame of bracing frame and the position limiting slide block that is connected with binding clip, bracing frame offers spacing hole；Binding clip
Drive mechanism includes the second driving section that slidable fit is connected with the second manipulation portion in the second manipulation portion of grip part and with
The position limiting slide block that two driving sections connect；Second transmission portion is in the second through hole；Wherein, position limiting slide block is at the band in the second manipulation portion
Sliding in spacing hole under Dong, binding clip is opened along with the slip of position limiting slide block or is closed.
Further, the first movable part, the second movable part are intermeshing two gears.
Further, the first movable part is worm gear；Second movable part is the worm screw engaged with the first movable part.
Further, for enabling caliper to swing along with the swing of head, caliper is flexible outer tube.
Further, the first through hole and the second through hole be arranged in parallel.
Further, the first through hole, the second through hole are manhole.
Further, grip part is cylinder, meets ergonomic designs, it is simple to the gripping of caliper user of living.
Further, the first driving section is cable wire.
Further, for making head rotary type biopsy forceps user can directly read the size of measured object, spacing hole
For strip spacing hole, spacing hole both sides arrange graduation mark, between scope and the folding angle of binding clip of position limiting slide block indication scale
In a proportionate relationship preset.
Accompanying drawing explanation
Fig. 1 is the structural representation according to the head rotary type biopsy forceps in first embodiment of the invention；
Fig. 2 is the structural representation according to the bracing frame in first embodiment of the invention；
Fig. 3 is the sectional view according to the bracing frame in first embodiment of the invention；
Fig. 4 is according to the schematic diagram at rotary joint of the bracing frame in first embodiment of the invention；
Fig. 5 is the structural representation according to the grip part in first embodiment of the invention；
Fig. 6 is according to the profile along A-A direction in first embodiment of the invention；
Fig. 7 is according to the profile along B-B direction in first embodiment of the invention；
Fig. 8 is according to the profile along C-C direction in first embodiment of the invention；
Fig. 9 is according to the profile along D-D direction in first embodiment of the invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawing each reality to the present invention
The mode of executing is explained in detail.But, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make reader be more fully understood that, the application proposes many ins and outs.But, even if there is no these ins and outs and base
Many variations and amendment in following embodiment, it is also possible to realize the application each claim technical side required for protection
Case.
First embodiment of the present invention relates to a kind of head rotary type biopsy forceps, and as shown in Fig. 1～9, this head can
Rotary biopsy forceps includes: grip part fix with grip part be connected caliper 4, with binding clip 11 and the head that is connected with caliper 4
1, for controlling binding clip drive mechanism that binding clip 11 opens or close and for controlling the head drive mechanism that head 1 swings,
It is characterized in that, head drive mechanism includes that the first manipulation portion 6 being set on grip part is connected with the first manipulation portion 6
One driving section 2 and the wobble component being connected with the first driving section 2；The first through hole, the second through hole is offered in caliper 4, first
Driving section 2 is positioned in the first through hole that caliper 4 is offered.Wherein, wobble component includes that be connected with the first driving section 2 first lives
The second movable part 71 that dynamic portion 72 coordinates with the first movable part 72 transmission, the second movable part 71 is connected with head 1.
By foregoing, it is seen that, the first manipulation portion the 6, first driving section the 2, first movable part 72 and second is lived
Dynamic portion 71 constitutes a drive mechanism, and the principle of concrete transmission is as follows: outside manipulation the first manipulation portion 6 axis around grip part
Doing rotation forward or backwards, the i.e. first manipulation portion 6 is sleeved on the outer surface of grip part, and can do circumference fortune around grip part
Dynamic, as specifically doing forward or reverse circular motion around grip part, those skilled in the art can be the most flexible
Operate the direction of rotation in the first manipulation portion 6.Such as: if the first manipulation portion 6 is when the axis of grip part does the rotation of forward,
The first driving section 2 will be driven to do the rotation of forward, and the first movable part 72 also does the rotation of forward under the drive of the first driving section 2
Turning, the second movable part 71 coordinates rotating forward and rotating of the first driving section 2, and head 1 can be along with the second movable part 71
Rotation swing.
In order to observe the angular dimension of head oscillation intuitively, in the present embodiment, the first manipulation portion 6 is relative
Ratio between the number of degrees and the angle of head 1 swing that grip part rotates is 5:2.But present embodiment should be as
Limit, the ratio between the number of degrees and the angle of head 1 swing that the first manipulation portion 6 rotates relative to grip part can also be other
Value, those skilled in the art can select proportionate relationship between the two the most flexibly.
It should be noted that in the present embodiment, caliper 4 and head 1 can pass through to snap connection, but, this enforcement
Mode should be as restriction.
It addition, head 1 includes binding clip 11 and and the binding clip that the bracing frame 12 being connected with caliper 4 is connected with bracing frame 12
11 position limiting slide blocks 13 connected, bracing frame 12 offers spacing hole 121；Before position limiting slide block 13 can do in spacing hole 121
The most reciprocal motion.Binding clip drive mechanism includes that slidable fit is connected with the second manipulation portion 5 in the second manipulation portion 5 of grip part
The second driving section 3 and with the second rigidly connected position limiting slide block in driving section 3 13；Second driving section 3 is positioned in described caliper 4
In the second through hole offered.Wherein, before and after position limiting slide block 13 can do under the drive in the second manipulation portion 5 in spacing hole 121
Sliding, binding clip 11 is opened along with the slip of position limiting slide block 13 or is closed.
It should be noted that and be additionally provided with fixed arm 73 between head 1 and caliper 4, one end of fixed arm 73 is with caliper 4 even
Being connected into is an entirety, bracing frame 12 is also offered fixed shaft hole 122, binding clip 11 and the bracing frame 12 being connected with fixed arm 73 even
First driving section 2 axis hole the 124, second movable part that binding clip axis hole the 123, first driving section 2 connect is connected with support frame as described above 12
71 fixed shaft holes 125.In the assembling process of head rotary type biopsy forceps, the first driving section 2 is by the first driving section 2 axis hole
124, enter bracing frame 12 from rotary joint 7 and connect, and be connected with binding clip 11 and position limiting slide block 13.For ensureing the second movable part
71 when the axis of fixed shaft hole 125 rotates bracing frame 12 with the axis oscillating of fixed arm axis hole 122.In the present embodiment,
Fixed arm axis hole 122 and fixed shaft hole 125 can be on the same axis.
For making caliper 4 can swing along with the swing of head 1, in the present embodiment, caliper 4 can be outside flexibility
Pipe, owing to offering the first through hole, the second through hole in caliper 4, the first through hole, the second through hole can be manholes.But, the
One through hole, the second through hole can also be the through holes of other shapes, and this is no longer going to repeat them for present embodiment.
The 2, second driving section 3, the first driving section in order to avoid being positioned in the first through hole, the second through hole interferes with each other, the
One through hole, the second through hole can be arranged to be parallel to each other.It addition, the use of grip part for convenience, in the present embodiment,
One through hole, the second through hole can become big when near the second manipulation portion 5 and the first manipulation portion 6.I.e. first through hole, the second through hole are one
The shape that the wide one end of end is narrow, but present embodiment should not be as restriction.
It should be noted that for convenience of the position limiting slide block 13 reciprocating motion before and after spacing hole 121 does, in present embodiment
In, spacing hole 121 can be bar shaped spacing hole, and certainly, spacing hole 121 can also be the spacing hole of other shapes, this embodiment party
Formula should not repeat as limit the most one by one.
For making this head rotary type biopsy forceps the size of tested tissue can accurately be detected, user can be by limit
The distance that position slide block 13 slides in spacing hole 121 directly reads the size of tested tissue, in the present embodiment, spacing hole
121 both sides can arrange graduation mark, the size of the folding angle of binding clip 11 and position limiting slide block 13 quarter of indication on spacing hole 121
In a proportionate relationship preset between the scope of degree.
For example, in the present embodiment, position limiting slide block 13 scope of slip indication scale in spacing hole 121 is permissible
With the folding angular range of binding clip 11 be 0 °～120 ° in a preset ratio relation, this preset ratio relation can be: 5:1.
It should be noted that the graduation mark that spacing hole 121 both sides are arranged should be intended to corresponding with the size of tested tissue, can be suitable
The size more than tested tissue.But, present embodiment should be as limit, and position limiting slide block 13 slides in spacing hole 121
The scope of indication scale can also be the folding angular range with binding clip 11 be 30 °～160 ° in a default proportionate relationship,
This preset ratio relation can be: 6:1.This enforcement should scope, preset ratio relation not be limited at this angle, people in the art
Member can select scope and the preset ratio relation of the folding angle of binding clip 11 the most flexibly.
By foregoing, it is seen that, those skilled in the art can arrange position limiting slide block 13 the most flexibly and exist
In spacing hole 121 scope of slip indication scale can and the folding angular range of binding clip 11 between proportionate relationship, this enforcement
This is no longer going to repeat them for mode.
It addition, the 2, second driving section 3, the first driving section is head rotary type biopsy forceps weight during whole detection
Want parts, then the 2, second driving section 3, the first driving section is in use particularly easy to abrasion, and service life is comparatively short, for
Extend the service life of the 2, second driving section 3, the first driving section, in the present embodiment, the first driving section the 2, second driving section
3 can be cable wire.But present embodiment should not be as limit, and the 2, second driving section 3, the first driving section can also be other materials
Matter.Those skilled in the art can select the material of the 2, second driving section 3, the first driving section flexibly.
In order to meet ergonomic designs, it is simple to the gripping of user, in the present embodiment, grip part can be in for round
Cylinder body shape, but present embodiment should not be as limit, and grip part can also repeat at this most one by one in other shapes.
It is noted that in the present embodiment, the first movable part 2 can be bevel pinion, and the second movable part 3 is permissible
Being the bevel gear wheel engaged with the first movable part 2, but present embodiment should not be as limit, the first movable part 2, second is movable
Portion 3 can also otherwise coordinate in transmission.Present embodiment differs at this citing.
During actually used head rotary type biopsy forceps, on the one hand, realize head by rotating the first manipulation portion 6
Portion 1 swings, thus more convenient sampling, the problem solving sampling " blind area ", on the other hand, realize pincers by the second manipulation portion 5
The folding of 11, it is thus possible to clamp tested tissue exactly.
Compared with prior art, in present embodiment, done forward or backwards by the first manipulation portion axis around grip part
Rotary motion, and then drive the first driving section, the first movable part and the second movable part to rotate, head is lived along with second
The rotation in dynamic portion carries out swing back and forth.Thus the problem effectively solving to sample " blind area ".
Second embodiment of the present invention relates to a kind of head rotary type biopsy forceps, this head rotary type biopsy forceps bag
Include: grip part is fixed the caliper being connected, the head with binding clip and being connected with caliper, opened for controlling binding clip with grip part
Or the binding clip drive mechanism of Guan Bi and for controlling the head drive mechanism of head oscillation, head drive mechanism includes being set in
The first driving section that the first manipulation portion on grip part is connected with the first manipulation portion and the swing group being connected with the first driving section
Part；The first through hole, the second through hole is offered, in the first through hole that the first transmission portion is offered in caliper in caliper.Wherein, pendulum
Dynamic assembly includes the second movable part that the first movable part of being connected with the first driving section and the first movable part transmission coordinate, second
Movable part is connected with head.
By foregoing, it is seen that, the first manipulation portion, the first driving section, the first movable part and the second movable part
Constituting a drive mechanism, the principle of concrete transmission is as follows: outside manipulation the first manipulation portion axis around grip part does forward
Or reverse rotation, the i.e. first manipulation portion is sleeved on the outer surface of grip part, and can move in a circle around grip part, as tool
Body does forward or reverse circular motion around grip part, and those skilled in the art can grasp by flexible operating first as required
The direction of rotation in control portion.Such as: if the first manipulation portion is when the axis of grip part does the rotation of forward, first will be driven
The rotation of forward is done in driving section, and the first movable part also does the rotation of forward under the drive of the first driving section, and the second movable part is joined
Closing the first rotating forward of driving section and rotate, head can swing along with the rotation of the second movable part.
In order to observe the angular dimension of head oscillation intuitively, in the present embodiment, the first manipulation portion is relative
Ratio between the number of degrees and the angle of head oscillation that grip part rotates is: 2:1.But present embodiment should be as
Limit, the ratio between the number of degrees and the angle of head oscillation that the first manipulation portion rotates relative to grip part can also be other values,
Those skilled in the art can select proportionate relationship between the two the most flexibly.
It should be noted that in the present embodiment, caliper can be threaded connection with head, but, this embodiment party
Formula should be as restriction.
It addition, head includes the binding clip that the bracing frame being connected with caliper is connected and the limit being connected with binding clip with bracing frame
Position slide block, bracing frame offers spacing hole；The motion that position limiting slide block is reciprocal before and after can doing in spacing hole.Binding clip drives machine
Structure include the second driving section that slidable fit is connected with the second manipulation portion in the second manipulation portion of grip part and with the second transmission
The position limiting slide block that portion connects；In the second through hole that second transmission portion is offered in described caliper.Wherein, position limiting slide block is second
Can do slide anteroposterior under the drive in manipulation portion in spacing hole, binding clip is opened along with the slip of position limiting slide block or is closed.
It should be noted that and be additionally provided with fixed arm between head and caliper, one end of fixed arm is connected to become with caliper
One entirety, bracing frame is also offered the fixed shaft hole that is connected with fixed arm, binding clip axis hole that binding clip is connected with bracing frame, first
The first driving section axis hole that driving section is connected with support frame as described above, the second movable part fixed shaft hole.In head rotary type biopsy
In the assembling process of pincers, the first driving section axis hole is passed through in the first driving section, enters bracing frame from rotary joint and connects, and and binding clip
And position limiting slide block connects.For ensure the second movable part when the axis of fixed shaft hole rotates bracing frame with the axle of fixed arm axis hole
String pendulum moves.In the present embodiment, fixed arm axis hole and fixed shaft hole can be on the same axis.
For enabling caliper to swing along with the swing of head, in the present embodiment, caliper can be flexible outer tube, by
Offering the first through hole, the second through hole in caliper, the first through hole, the second through hole can be manholes.But, first leads to
Hole, the second through hole can also be the through holes of other shapes, and this is no longer going to repeat them for present embodiment.
The first driving section, the second driving section in order to avoid being positioned in the first through hole, the second through hole interfere with each other, and first
Through hole, the second through hole can be arranged to be parallel to each other.It addition, the use of grip part for convenience, in the present embodiment, first
Through hole, the second through hole can become big when near the second manipulation portion and the first manipulation portion.I.e. first through hole, the second through hole are one end width
The shape that one end is narrow, but present embodiment should not be as restriction.
In the present embodiment, the second driving section can be bolted with position limiting slide block.But, present embodiment is not
Should be as restriction.Those skilled in the art can select the most flexibly.
It should be noted that for convenience of position limiting slide block reciprocating motion before and after spacing hole does, in the present embodiment, limit
Hole, position can be bar shaped spacing hole, and certainly, spacing hole can also be the spacing hole of other shapes, and present embodiment should be as
Limit, repeats the most one by one.
For making this head rotary type biopsy forceps the size of tested tissue can accurately be detected, user can be by limit
The distance that position slide block slides in spacing hole directly reads the size of tested tissue, in the present embodiment, spacing hole both sides
Graduation mark can be set, the size of the folding angle of binding clip and position limiting slide block on spacing hole between the scope of the scale of indication in
One proportionate relationship preset.
For example, in the present embodiment, position limiting slide block scope of slip indication scale in spacing hole can and clamp
Head folding angular range be 0 °～120 ° in a preset ratio relation, this preset ratio relation can be: 5:1.It is worth note
Meaning, spacing hole both sides arrange graduation mark should be intended to corresponding with the size of tested tissue, can be suitable more than quilt
Survey the size of tissue.But, present embodiment should be as limit, and position limiting slide block is the scope of slip indication scale in spacing hole
Can also be the folding angular range with binding clip be 30 °～160 ° in a default proportionate relationship, this preset ratio relation can
Think: 6:1.This enforcement should scope, preset ratio relation not be limited at this angle, and those skilled in the art can spirit as required
The scope of the folding angle selecting binding clip of living and preset ratio relation.
By foregoing, it is seen that, those skilled in the art can arrange position limiting slide block the most flexibly in limit
Position hole in slip indication scale scope can and the folding angular range of binding clip between proportionate relationship, present embodiment is at this
Repeat the most one by one.
It addition, the first driving section, the second driving section are important during whole detection of head rotary type biopsy forceps
Parts, then the first driving section, the second driving section are in use particularly easy to abrasion, and service life is comparatively short, in order to prolong
Long first driving section, the service life of the second driving section, in the present embodiment, the first driving section, the second driving section can be
Cable wire.But present embodiment should not be as limit, and the first driving section, the second driving section can also be other materials.Ability
Field technique personnel can select the first driving section, the material of the second driving section flexibly.
In order to meet ergonomic designs, it is simple to the gripping of user, in the present embodiment, grip part can be in for round
Cylinder body shape, but present embodiment should not be as limit, and grip part can also repeat at this most one by one in other shapes.
It is noted that in the present embodiment, the first movable part can be worm gear, and the second movable part can be and
The worm screw of one movable part engagement, but present embodiment should not be as limit.
During actually used head rotary type biopsy forceps, on the one hand, realize head by rotating the first manipulation portion
Portion swings, thus more convenient sampling, the problem solving sampling " blind area ", on the other hand, realize binding clip by the second manipulation portion
Folding, it is thus possible to clamp tested tissue exactly.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a head rotary type biopsy forceps, fix with described grip part including: grip part be connected caliper, with binding clip
And be connected with described caliper head, for controlling binding clip drive mechanism that binding clip opens or close and for controlling head pendulum
Dynamic head drive mechanism, it is characterised in that described head drive mechanism includes the first manipulation being set on described grip part
The first driving section that portion is connected with described first manipulation portion and the wobble component being connected with described first driving section；Described pincers
Internal the first through hole, the second through hole of offering, in the first through hole that described first transmission portion is offered in described caliper；
Wherein, described wobble component includes that the first movable part being connected with described first driving section and described first movable part pass
Dynamic the second movable part coordinated, described second movable part is connected with described head；
After the rotation forward or backwards of the described first manipulation portion axis around described grip part, drive described first driving section, institute
Stating the first movable part and the second movable part rotates, described head swings along with the rotation of described second movable part；
Preset in one between the number of degrees and the angle of described head oscillation that described first manipulation portion rotates relative to described grip part
Proportionate relationship.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described head includes and described caliper
The binding clip that is connected with support frame as described above of bracing frame connected and the position limiting slide block being connected with described binding clip, on support frame as described above
Offer spacing hole；
Described binding clip drive mechanism includes that slidable fit is connected with described second manipulation portion in the second manipulation portion of described grip part
The second driving section and the position limiting slide block that is connected with described second driving section；Described second transmission portion is in described second through hole
In；
Wherein, described position limiting slide block under the drive in described second manipulation portion in described spacing hole slide, described binding clip along with
The slip of described position limiting slide block is opened or is closed.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described first movable part, described
Two movable parts are intermeshing two gears.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described first movable part is worm gear；
Described second movable part is the worm screw engaged with described first movable part.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described caliper is flexible outer tube.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described first through hole and described second
Through hole be arranged in parallel.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described first through hole, described second
Through hole is manhole.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described grip part is cylinder.
Head rotary type biopsy forceps the most according to claim 1, it is characterised in that described first driving section is cable wire.
Head rotary type biopsy forceps the most according to claims 1 to 9, it is characterised in that described spacing hole is strip limit
Hole, position, described spacing hole both sides arrange graduation mark, the scope of described position limiting slide block indication scale and the folding angle of described binding clip
Between in one preset proportionate relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638007.5A CN106137272B (en) | 2016-08-06 | 2016-08-06 | Biopsy forceps with rotatable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638007.5A CN106137272B (en) | 2016-08-06 | 2016-08-06 | Biopsy forceps with rotatable head |
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| CN106137272A true CN106137272A (en) | 2016-11-23 |
| CN106137272B CN106137272B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610638007.5A Active CN106137272B (en) | 2016-08-06 | 2016-08-06 | Biopsy forceps with rotatable head |
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| CN106137272B (en) | 2023-11-03 |
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