CN106236155A - A kind of multi-functional continuous biopsy forceps - Google Patents
A kind of multi-functional continuous biopsy forceps Download PDFInfo
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- CN106236155A CN106236155A CN201610821466.7A CN201610821466A CN106236155A CN 106236155 A CN106236155 A CN 106236155A CN 201610821466 A CN201610821466 A CN 201610821466A CN 106236155 A CN106236155 A CN 106236155A
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
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Abstract
The present invention relates to a kind of multi-functional continuous biopsy forceps, including handle casing, inner tube, outer tube, the first impeller；Described inner tube is inserted in outer tube, promotes the first impeller of inner and outer tubes relative movement to be arranged on handle casing；The tail end of said inner tube is provided with many lobes binding clip, and described binding clip includes the slope inwardly jaw arranged and elastic caliper, and elastic one end of caliper is connected with the end of inner tube, and the other end of elastic caliper is connected with jaw；Along with inner tube is exposed or retraction outer tube, elastic caliper opens or closes.Biopsy forceps also includes recovery tube, negative pressure device；The head end of inner tube is inserted in the inside of recovery tube one end, and the other end of recovery tube is connected on negative pressure device, is provided with block piece in recovery tube, and described inner tube, recovery tube form the gas channel communicated.Present configuration is simple, biopsy tissue block is more convenient easily, belongs to the technical field of medical apparatus and instruments.
Description
Technical field
The present invention relates to the technical field of medical apparatus and instruments, particularly relate to a kind of multi-functional continuous biopsy forceps.
Background technology
, there is following defect and deficiency in the conventional bioptome used in scope clinical position at present:
1, scope the most frequently used in world wide, its biopsy channel diameter is 2.8mm；For being suitable for this, conventional biopsy forceps
The diameter of binding clip closed mode be usually 2.2～2.5mm, the width that binding clip opens is usually 6.0mm, and maximum is less than
8.0mm.Because being limited by biopsy channel diameter, biopsy forceps head and jaw cannot be made to bigger, and the piece of tissue of biopsy is usual
Less, often because biopsy is insufficient, do not get mucosa holostrome and need again endoscopy and Re-biopsy.
2, a biopsy can only clamp and take 1 piece of tissue；And, if occurring more serious hemorrhage, then after biopsy procedure
High-frequency electrical mosquito forceps (also referred to as hot biopsy forceps) or other hemostatic device need to be used instead.Operation sequence is as follows: in being inserted by biopsy forceps
Mirror biopsy channel, opens biopsy forceps head end, approaches and needs biopsy site clamp tissue, Rapid lifting biopsy forceps vice body " pincers tear " group
Knit, biopsy forceps is extracted from endoscopic biopsy channel, open biopsy forceps head end, take off piece of tissue and put in preservation liquid；Again will
Biopsy forceps inserts endoscopic biopsy channel, repeats aforesaid operations；The like, until the piece of tissue quantity of biopsy reaches the number needed
Amount.Because disposably biopsy going out the piece of tissue quantity needed, therefore operation is the longest, the most even affects patient safety.
3, the structure design of conventional bioptome it is limited by, under the piece of tissue of its biopsy " is torn " afterwards by " clamp ",
Piece of tissue there is is extruding, adds the factors such as the piece of tissue of biopsy is generally the least, minority biopsy is difficult to location, it is difficult to obtain
High-quality histopathologic slide.
Summary of the invention
For technical problem present in prior art, it is an object of the invention to: provide a kind of simple in construction, pincers to take polylith
Organize the more convenient continuous biopsy forceps of much easier function.
In order to achieve the above object, the present invention adopts the following technical scheme that
A kind of multi-functional continuous biopsy forceps, including handle casing, inner tube, outer tube, the first impeller；Described inner tube is inserted in
In outer tube, the first impeller of inner and outer tubes relative movement is promoted to be arranged on handle casing；The tail end of said inner tube is provided with
Many lobes binding clip, described binding clip includes the slope inwardly jaw arranged and elastic caliper, one end of elastic caliper and the end of inner tube
Portion connects, and the other end of elastic caliper is connected with jaw；Along with inner tube is exposed or retraction outer tube, elastic caliper opens or closes.
Carry out biopsy tissue block by the opening and closing of binding clip, use the structure of concentric tube, can be adjusted by the length that inner tube is stretched out
The size that binding clip opens, thus realize range size and the degree of depth of biopsy tissue block, can adjust according to conditions of patients, safety can
Lean on；Use concentric tube structure, compare the biopsy forceps being provided with steel wire, the biopsy forceps structure of the present invention is the simplest, safer can
Leaning on, cost is lower.
Further: handle casing is exposed in the upper end of described first impeller, the lower end of the first impeller is fixing connects
On inner pipe, outer tube fixes with handle casing；
Or, handle casing is exposed in the upper end of described first impeller, and the lower end of the first impeller is fixedly connected on outer tube
On, inner tube is relatively fixed with handle casing.Realize the opening and closing of binding clip, and structure to be relatively provided with the biopsy forceps of steel wire simple
Many, and low cost of manufacture, it is simple to popularization and application.
Further: biopsy forceps also includes recovery tube, negative pressure device；The head end of inner tube is inserted in the interior of recovery tube one end
Portion, the other end of recovery tube is connected on negative pressure device, is provided with block piece in recovery tube, and described inner tube, recovery tube form phase
Logical gas channel.During negative pressure device work, piece of tissue is inhaled in recovery tube from inner tube, and block piece can stop that piece of tissue is inhaled
Entering in negative pressure device, block piece can allow air-flow to pass through simultaneously.
Further: biopsy forceps also includes reclaiming piston, the recovery piston in recovery tube is stretched into through block piece.Stop
Part can stop piece of tissue to be inhaled in negative pressure cavity, reclaims piston simultaneously and can release piece of tissue.
Further: in described recovery tube, be provided with cotton body, cotton body is positioned between block piece and negative pressure device
In recovery tube.Cotton body can stop liquid to flow in negative pressure cavity, may filter that degerming simultaneously, plays protective action.
Further: described negative pressure device includes vacuum pump and for the accumulator powered to vacuum pump, outside handle
The outside of shell is provided with the on and off switch for starting vacuum pump.Turn on the power switch, vacuum pump can be started, make inner tube, recovery tube
Gas channel formed negative pressure, it is thus possible to piece of tissue is sucked in recovery tube.
Further: described negative pressure device includes the negative pressure piston that vacuum cavity and negative relative cavity move, institute
The negative pressure piston stated and vacuum cavity surround negative pressure cavity, and vacuum cavity is provided with check valve；Biopsy forceps also include connecting tube, second
Impeller, sealing member；Described recovery tube is connected on negative pressure device by connecting tube, and connecting tube communicates with negative pressure cavity, described
The second impeller stretch in connecting tube, sealing member is arranged on the end of the second impeller, and the second impeller passes through sealing member
Control the connected state between connecting tube and negative pressure cavity.When negative pressure cavity is negative pressure state, press the second impeller, inner tube, recovery
Pipe, connecting tube, negative pressure cavity connect, it is thus possible to aspirates tissue block.
Further: in described connecting tube, be provided with spring, spring housing is contained on the second impeller, described sealing member
Being positioned at negative pressure cavity, described connecting tube and negative pressure cavity and form connected entrance, the area of sealing member end face is more than the area of connected entrance.
By the second impeller, connection between connecting tube and negative pressure cavity can be controlled and do not connect；Simultaneously because the reset of spring is made
With, connected entrance can be made to be in normally off, i.e. connecting tube does not connects with negative pressure cavity.
Further: biopsy forceps also includes for controlling the 3rd impeller that negative pressure piston moves.
Further: biopsy forceps also include the high-frequency electrical socket electrically connected with inner tube, described inner tube and binding clip by
Electric conductor is made, and the inwall of described outer tube, the outer wall of inner tube, the outer wall of binding clip are equipped with insulating barrier.Piece of tissue can be carried out electricity
Solidifying hemostasis.
Generally speaking, present invention have the advantage that
1, the present invention uses the structure of concentric tube, can adjust the size of biopsy tissue block, scope and the degree of depth, safe and reliable,
Simple in construction, low cost.
2, the present invention is provided with negative pressure device and recovery tube, inserts biopsy forceps once, can (manage by biopsy polylith biological tissue continuously
Can the most tens of pieces on Lun).
3, the recovery tube of the present invention is single use, can disposably reclaim the piece of tissue of polylith biopsy, meet after dismounting
Country's sterilizing endoscope technical specification.
4, the negative pressure device of the present invention is detachable, and reusable, and can use the most electronic or manual bearing
Pressure device.
5, after the present invention takes out negative pressure device and recovery tube, flushable and soaking disinfection.
6, the binding clip of the present invention is three valve structures, it is easier to pincers obtain required piece of tissue, is particularly easier to pincers and takes
Tissue on the side.
Accompanying drawing explanation
Fig. 1 is the structural representation schematic diagram of a kind of mode of the present invention, and wherein binding clip only depicts two lobes.
Fig. 2 is the structural representation schematic diagram of another mode of the present invention, and wherein binding clip only depicts two lobes.
Fig. 3 is the structural representation schematic diagram that binding clip of the present invention opens, and air-vent is arranged on jaw.
Fig. 4 is the structural representation schematic diagram of binding clip of the present invention Guan Bi, and air-vent is arranged on jaw.
Fig. 5 is the schematic diagram that the present invention is integrated on a handle casing.
Fig. 6 is the principle schematic of electric coagulation hemostasis.
Fig. 7 is the structural representation schematic diagram that binding clip of the present invention opens, and air-vent is arranged on jaw and the boundary of elastic caliper
Place.
Fig. 8 is the structural representation schematic diagram of binding clip of the present invention Guan Bi, and air-vent is arranged on jaw and the boundary of elastic caliper
Place.
Fig. 9 is the structural representation schematic diagram that binding clip of the present invention opens, and all of jaw surrounds an air-vent.
Figure 10 is the structural representation schematic diagram of binding clip of the present invention Guan Bi, and all of jaw surrounds an air-vent.
Wherein, 1 is the first impeller, and 2 is the second impeller, and 3 is the 3rd impeller, and 4 is socket pipe, and 5 is outer tube, and 6 are
Inner tube, 7 is recovery tube, and 8 is connecting tube, and 9 is the elastic caliper of binding clip, and 10 is the jaw of binding clip, and 11 is block piece, and 12 for reclaiming
Piston, 13 is spring, and 14 is sealing member, and 15 is the vacuum cavity of negative pressure device, and 16 is negative pressure cavity, and 17 is the negative pressure of negative pressure device
Piston, 18 is check valve, and 19 is cotton body, and 20 is high-frequency electrical socket, and 21 is thumb ring, and 22 is connected entrance, and 23 open for power supply
Closing, 24 is handle casing, and 25 is vacuum pump, and 26 is accumulator, and 27 is air-vent, and 28 is transparency window, and 29 is high frequency generator, 30
For cable, 31 is active electrode, and 32 is neutral electrode.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Hereafter described direction up and down is consistent with the direction up and down of Fig. 1 itself.
For sake of convenience, hereafter described direction up and down is consistent with the direction up and down of Fig. 1 itself, hereafter described
Inward-outward direction refer to, it is interior that inner tubal wall points to the centrage of inner tube, and it is outward that the centrage of inner tube points to inner tubal wall.
In conjunction with shown in Fig. 1 to Fig. 4, a kind of multi-functional continuous biopsy forceps, including handle casing, inner tube, outer tube, the first promotion
Part；Described inner tube is inserted in outer tube, i.e. inner tube is positioned at outer tube, and inner and outer tubes use the structure of concentric tube, and inner tube is permissible
Move up and down (outer tube is fixed), or outer tube can move up and down (inner tube is fixed), promote the of inner and outer tubes relative movement
One impeller is arranged on handle casing.The tail end (i.e. the lower end of inner tube) of said inner tube is provided with many lobes binding clip, many lobes binding clip edge
The circumferencial direction inner tube is uniformly distributed, and in the present invention, binding clip is 3 lobes, and according to actual needs, the quantity of binding clip can be designed to
Other.Described binding clip includes the slope inwardly jaw arranged and elastic caliper, jaw and elastic caliper at an angle (
As be 135 °), the incline direction of jaw be by interior lower section outward top direction tilt, jaw tilt degree in whole biopsy
Pincers just secure after being produced by factory.One end (upper end of elastic caliper) of elastic caliper and the end (inner tube of inner tube
Lower end) connect, the other end (lower end of elastic caliper) of elastic caliper is connected with jaw；Inner tube, elastic caliper, jaw are permissible
Being integrally formed, along with inner tube is exposed or retraction outer tube, elastic caliper opens or closes, when inner tube slowly exposes the mistake of outer tube
Cheng Zhong, is flared out centered by the centrage of pipe within elastic caliper, during inner tube slowly retraction outer tube, and elastic caliper
Inwardly closing centered by the centrage of inner tube, elastic caliper has certain elasticity, has outwardly trend.Binding clip closes
Time, from the end face of inner tube, all of jaw can seal up inner tube, and preferably, all of jaw surrounds one to one
Individual circle, the diameter of this circle is equal to the diameter of outer wall of inner tube, and each jaw is sector.Flow in inner tube for ease of air-flow,
Described binding clip is provided with air-vent, can be provided with air-vent (as shown in Figure 3 and Figure 4) on each jaw, it is also possible at pincers
The joint of mouth and elastic caliper is provided with air-vent (as shown in Figure 7 and Figure 8), it is also possible to all of jaw surrounds an air-vent
(as shown in Figure 9 and Figure 10)；Jaw is zigzag, can be anti-skidding, and convenient pincers take harder tissue, and jaw is in sector and is provided with ventilative
Hole can prevent Tissue approximation and and utilize vacuum suction to clamp the tissue taken.Binding clip is internal keeps airtight, smooth.In this programme,
Different from current conventional bioptome two valve structure, binding clip uses the version of 3 lobes, three pincers lobes to be connected with inner tube respectively, nothing
Articulating joint, compares the clamping tissue block that binding clip uses the version of 2 lobes, the version of 3 lobes that binding clip can be made to be more prone to；
Particularly it is easier to clamp and takes tissue on the side.The version of 2 lobes, if the opening that piece of tissue is not opened at 2 lobe jaws
On, then it is not easy gripping to piece of tissue.
Locations of structures relation between first impeller, inner tube, outer tube, handle casing has a various ways: the first is:
Handle casing is exposed in the upper end of one impeller, and the end of the first impeller is provided with thumb ring, facilitates user to operate, such as Fig. 1
Shown in, the lower end of the first impeller is fixedly connected in inner tube, and outer tube fixes with handle casing, when being provided with negative pressure device and returning
During closed tube (being mentioned below), the top of inner tube should be positioned at the inside of handle casing, and the top of outer tube can be located at the interior of handle casing
Portion, the top of outer tube can also connect on handle casing.The second is: handle casing is exposed in the upper end of the first impeller, first
The end of impeller is provided with thumb ring, facilitates user to operate, as in figure 2 it is shown, the lower end of the first impeller is fixedly connected on
On outer tube, inner tube is relatively fixed with handle casing, when being provided with negative pressure device and recovery tube (being mentioned below), outer tube and inner tube
Top should be positioned at the inside of handle casing, and the top of inner tube is inserted in recovery tube, and inner tube can be fixed on recovery tube, inner tube
Can also be fixed on handle casing.First impeller is rhabodoid.Between first impeller, inner tube, outer tube, handle casing
Locations of structures relation, can realize opening and Guan Bi of binding clip, and structure hinge structure is the most, and manufacturing cost
Low, it is simple to popularization and application.
Biopsy forceps also includes recovery tube, negative pressure device；The head end (upper end of inner tube) of inner tube is inserted in the interior of recovery tube one end
Portion, the other end of recovery tube is connected on negative pressure device, is provided with block piece in recovery tube, and described inner tube, recovery tube form phase
Logical gas channel.Inner tube, recovery tube, the junction of negative pressure device should ensure that air-tightness is good, prevent gas from leaking.Negative pressure fills
When putting work, piece of tissue is inhaled in recovery tube from inner tube, and block piece can stop that piece of tissue is inhaled in negative pressure device, hinders simultaneously
Block piece can allow air-flow to pass through, and block piece can be designed to band network structure.
Biopsy forceps also includes reclaiming piston, stretches into the recovery piston in recovery tube through block piece.Reclaim piston and recovery
The intersection of pipe should keep sealing, prevents air from circulating.When sucking piece of tissue in recovery tube, move down piston, then organize
Block skids off in recovery tube.After being provided with recovery piston, block piece can also make recovery piston have individual upper extreme position.
Being provided with cotton body in described recovery tube, cotton body is positioned at the recovery tube between block piece and negative pressure device.I.e.
At block piece toward on the direction of negative pressure device, in recovery tube, it is filled with cotton body.Cotton body is possible to prevent some liquid to flow into
In negative pressure device, playing that splashproof is anti-pollution and the effect of filtration sterilization, cotton body can be cellucotton, non-woven fabrics or Cotton Gossypii etc..
Shown in Fig. 1, the kind of negative pressure device is a lot, and the structure of the first negative pressure device is: negative pressure device includes very
Empty pump and for the accumulator powered to vacuum pump, the outside of handle casing is provided with the on and off switch for starting vacuum pump.Beat
Switch power supply switchs, and can start vacuum pump, makes the gas channel formation negative pressure of inner tube, recovery tube, it is thus possible to piece of tissue sucked back
In closed tube.Electric negative pressure device can be selected for Miniature direct current diaphragm vacuum pump, Wiper blade type vacuum pump etc..
Under the structure using the first negative pressure device, following structure can be increased: in being in handle casing, promote inner tube
The first impeller be provided with the vacuum pump activate switch of linkage, inner tube stretches out unlatching vacuum pump when outer tube reaches at utmost,
Such that it is able to make the tissue that pincers take by vacuum suction to recovery tube.Or contrary, in being in handle casing, promote outside
First impeller of pipe is provided with the vacuum pump activate switch of linkage, and outer tube bounces back, and makes inner tube stretch out when reaching at utmost and opens
Open vacuum pump, such that it is able to make the tissue that pincers take by vacuum suction to recovery tube.
Shown in Fig. 2, the structure of the negative pressure device of the second is: negative pressure device includes vacuum cavity and negative relative chamber
The negative pressure piston that body moves, described negative pressure piston and vacuum cavity surround negative pressure cavity, and vacuum cavity is provided with check valve；Open
Check valve, negative pressure cavity and air communicate；Closing check valve, negative pressure cavity does not connects with air；Check valve can use unidirectional barrier film.Live
Inspection pincers also include connecting tube, the second impeller, sealing member；Described recovery tube is connected on negative pressure device by connecting tube, i.e.
One end of recovery tube connects with inner tube, and the other end of recovery tube connects with connecting tube, and connecting tube communicates with negative pressure cavity, and described is interior
Pipe, recovery tube, connecting tube, the negative pressure cavity of negative pressure device form the gas channel communicated；The second described impeller stretches into connection
In pipe, sealing member is arranged on the end of the second impeller, the second impeller by sealing member control connecting tube and negative pressure cavity it
Between connected state；When negative pressure cavity is negative pressure state, pressing the second impeller, inner tube, recovery tube, connecting tube, negative pressure cavity connect,
It is thus possible to aspirates tissue block.The negative pressure device of this structure is equipped with connecting tube, the second impeller, sealing member and also can piece of tissue be inhaled
Entering in recovery tube, structure is somewhat more complex, but can be manually form negative pressure state, it is not necessary to expend electric energy.
Under the structure using the second negative pressure device, following structure can be increased: in described connecting tube, be provided with spring, spring
Being sleeved on the second impeller, described sealing member is positioned at negative pressure cavity, and sealing member is arranged on the lower end of the second impeller, even
Adapter and negative pressure cavity form connected entrance in place of connecting, and the area of sealing member end face is more than the area of connected entrance.Press the second promotion
During part, when the second impeller moves downward, connected entrance is opened, and connecting tube and negative pressure cavity communicate；When unclamping the second control piece, due to
The reset response of spring, the second impeller moves upward, and connected entrance is enclosed, and connecting tube and negative pressure cavity are not communicated with.Can control even
Connected state between adapter and negative pressure cavity.Biopsy forceps also includes for controlling the 3rd impeller that negative pressure piston moves, the 3rd
Impeller is arranged on negative pressure device, can control moving up and down of negative pressure piston by moving up and down of the 3rd impeller.Press
The collar on lower 3rd impeller, the negative pressure piston of negative pressure device moves downward, and forms negative pressure state (at check valve in negative pressure cavity
In closed mode), this negative pressure device is manual negative pressure device, is directly controlled the movement of negative pressure piston by the 3rd impeller.
The end of the second impeller and the 3rd impeller is provided with thumb ring, facilitates user to operate, and the second impeller and the 3rd promotes
The upper end of part should be exposed outside handle casing.
Shown in Fig. 5, recovery tube, the first impeller, negative pressure device etc. are all integrated in a handle casing, outside handle
Shell is provided with openable transparency window, by transparency window it is observed that piece of tissue is the most by vacuum suction to recovery tube
Situation；Open transparency window, negative pressure device can be dismantled.
Biopsy forceps also includes the high-frequency electrical socket electrically connected with inner tube, and high-frequency electrical socket is connected with inner tube by electric wire, high
Frequently electrical socket can be arranged on handle casing, it is also possible to is arranged on the bottom of handle casing.It is arranged on the bottom of handle casing
Time, can adopt in this way, one socket pipe is set in the outside of outer tube again, socket pipe cylindrically, fix by the upper end of socket pipe
Being connected on handle casing, high-frequency electrical socket is arranged on socket pipe, and then high-frequency electrical socket is connected with inner tube by electric wire again.
Described inner tube and binding clip are made by electric conductor, and the inwall of described outer tube, the outer wall of inner tube, the outer wall of binding clip are equipped with insulation
Layer.High-frequency electrical socket coordinates other relevant devices (being described below literary composition) again, can be stopped blooding to clamping the piece of tissue taken.
Below the physics principle of high-frequency electrocoagulation hemostasis is briefly described:
Three kinds of effects can be produced: electrolytic effect, Faraday effect and heat effect when electric current is by tissue.Therein
Heat effect is: when the high frequency electric of more than 300kHz flows through tissue, and electric current produces heat effect.Thermal effect should have following three kinds
Application mode: TURP (being equivalent to scalpel), coagulation (being equivalent to mosquito forceps) and fulgerize.
Shown in Fig. 6, the equipment required for generation coagulation effect has high frequency generator, cable, active electrode and neutrality
Electrode.The neutral electrode that on patient body, bond area is bigger, neutral electrode is connected to high frequency generator by cable, and height takes place frequently
Raw device is by cable interconnection function electrode.The electric current flowing through active electrode and neutral electrode is equal, but the contact of the two electrode
Area is entirely different, and neutral electrode contact area is big, and electric current density is low, thus without the skin of injured patient；On the contrary, electricity consumption is made
The contact area of pole is little, and electric current density is big, and by high current density and the combination of tissue electrical impedance, active electrode just can produce
Local heat effect needed for life, thus play the effect of electric coagulation hemostasis.In the present invention, high frequency generator is connected to by cable
High-frequency electrical socket, and high-frequency electrical socket is connected by electrical wiring to inner tube, inner tube contacts with binding clip, therefore the binding clip phase of the present invention
When in active electrode.
When using the present invention to draw first block organization's block, the present invention is inserted in endoscope movable detecting hole, start negative pressure device, make
Inner tube and recovery tube are in negative pressure state, then make binding clip be in open configuration, the piece of tissue needed for arrival, then make binding clip be in
Closure state, thus pincers take required piece of tissue, then make binding clip unclamp piece of tissue, piece of tissue is sucked back by negative pressure device at once
In closed tube, reclaim piston and block piece stops that piece of tissue is inhaled into negative pressure device.Repetitive operation, can clamp and take the second block organization
Block, and biopsy forceps need not take out from endoscope movable detecting hole, until biopsy obtains the piece of tissue of requirement.Complete in biopsy
After, as needed hemostasis, make high frequency generator in running order, make jaw pincers take the piece of tissue needing hemostasis, slightly lift binding clip, i.e.
Can electric coagulation hemostasis.After biopsy completes, being disassembled by recovery tube, the piece of tissue taken by pincers puts into the biopsy having tissue fixative solution
In Ping.
When the present invention is not provided with negative pressure device or when negative pressure device lost efficacy, conventional bioptome can be done and use.Pincers
The process taking piece of tissue is as follows: the present invention inserted in endoscope movable detecting hole, then makes binding clip be in open configuration, needed for arrival
Piece of tissue, then make binding clip be in closure state, thus pincers take required piece of tissue, and biopsy forceps takes out human body the most again, will pincers
The piece of tissue taken is put in biopsy bottle.Then repetitive operation, pincers take minor microstructure block.
Recovery tube is single use, and biopsy is discarded after completing, and takes off negative pressure device and recovery tube, rinses in binding clip
Portion, and biopsy forceps is put into soaking disinfection in disinfectant solution.Negative pressure device can be used for multiple times.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (10)
1. a multi-functional continuous biopsy forceps, it is characterised in that: include handle casing, inner tube, outer tube, the first impeller；Described
Inner tube be inserted in outer tube, promote inner and outer tubes relative movement the first impeller be arranged on handle casing；Said inner tube
Tail end be provided with many lobes binding clip, described binding clip includes sloping inwardly the jaw arranged and elastic caliper, one end of elastic caliper
Being connected with the end of inner tube, the other end of elastic caliper is connected with jaw；Along with inner tube is exposed or retraction outer tube, elastic caliper is opened
Open or close.
2. according to the multi-functional continuous biopsy forceps of the one described in claim 1, it is characterised in that: the upper end of described first impeller
Exposing handle casing, the lower end of the first impeller is fixedly connected in inner tube, and outer tube fixes with handle casing；
Or, handle casing is exposed in the upper end of described first impeller, and the lower end of the first impeller is fixedly connected on outer tube, interior
Pipe is relatively fixed with handle casing.
3. according to the multi-functional continuous biopsy forceps of the one described in claim 1, it is characterised in that: biopsy forceps also include recovery tube,
Negative pressure device；The head end of inner tube is inserted in the inside of recovery tube one end, and the other end of recovery tube is connected on negative pressure device, recovery tube
Inside being provided with block piece, described inner tube, recovery tube form the gas channel communicated.
4. according to the multi-functional continuous biopsy forceps of the one described in claim 3, it is characterised in that: biopsy forceps also includes reclaiming living
Plug, stretches into the recovery piston in recovery tube through block piece.
5. according to the multi-functional continuous biopsy forceps of the one described in claim 3, it is characterised in that: it is provided with cotton in described recovery tube
Plastid, cotton body is positioned at the recovery tube between block piece and negative pressure device.
6. according to the multi-functional continuous biopsy forceps of the one described in claim 3, it is characterised in that: described negative pressure device includes very
Empty pump and for the accumulator powered to vacuum pump, the outside of handle casing is provided with the on and off switch for starting vacuum pump.
7. according to the multi-functional continuous biopsy forceps of the one described in claim 3, it is characterised in that: described negative pressure device includes bearing
The negative pressure piston that pressure cavity and negative relative cavity move, described negative pressure piston and vacuum cavity surround negative pressure cavity, negative pressure cavity
Body is provided with check valve；Biopsy forceps also includes connecting tube, the second impeller, sealing member；Described recovery tube is by connecting tube even
Being connected on negative pressure device, connecting tube communicates with negative pressure cavity, and the second described impeller stretches in connecting tube, and sealing member is arranged on
On the end of two impellers, the second impeller controls the connected state between connecting tube and negative pressure cavity by sealing member.
8. according to the multi-functional continuous biopsy forceps of the one described in claim 7, it is characterised in that: it is provided with bullet in described connecting tube
Spring, spring housing is contained on the second impeller, and described sealing member is positioned at negative pressure cavity, described connecting tube and negative pressure cavity and is formed even
Port, the area of sealing member end face is more than the area of connected entrance.
9. according to the multi-functional continuous biopsy forceps of the one described in claim 7, it is characterised in that: biopsy forceps also includes for controlling
The 3rd impeller that negative pressure piston moves.
10. according to the multi-functional continuous biopsy forceps of the one described in claim 1, it is characterised in that: biopsy forceps also includes and inner tube
The high-frequency electrical socket of electrical connection, described inner tube and binding clip made by electric conductor, the inwall of described outer tube, the outer wall of inner tube,
The outer wall of binding clip is equipped with insulating barrier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821466.7A CN106236155A (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional continuous biopsy forceps |
| CN201710762948.4A CN107582108A (en) | 2016-09-13 | 2017-08-30 | A kind of biopsy forceps and binding clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610821466.7A CN106236155A (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional continuous biopsy forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106236155A true CN106236155A (en) | 2016-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610821466.7A Pending CN106236155A (en) | 2016-09-13 | 2016-09-13 | A kind of multi-functional continuous biopsy forceps |
| CN201710762948.4A Pending CN107582108A (en) | 2016-09-13 | 2017-08-30 | A kind of biopsy forceps and binding clip |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710762948.4A Pending CN107582108A (en) | 2016-09-13 | 2017-08-30 | A kind of biopsy forceps and binding clip |
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| Country | Link |
|---|---|
| CN (2) | CN106236155A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022333A (en) * | 2020-09-04 | 2020-12-04 | 北京中科盛康科技有限公司 | Convenient to use's high frequency electric cutter |
| CN112274194A (en) * | 2020-10-12 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Negative pressure suction type biopsy forceps for surgical operation |
| CN112294373A (en) * | 2020-10-30 | 2021-02-02 | 苏州优脉瑞医疗科技有限公司 | Scope biopsy pincers convenient to sample |
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| CN110236658B (en) * | 2019-06-21 | 2024-03-29 | 温州市人民医院 | Foreign matter forceps with foldable head |
| CN110236605B (en) * | 2019-06-21 | 2024-01-26 | 温州市人民医院 | Biopsy forceps |
| CN113116412B (en) * | 2019-12-30 | 2024-03-29 | 北京术锐机器人股份有限公司 | Miniature operation tool head |
| CN112336451B (en) * | 2020-11-06 | 2022-02-01 | 温州医科大学附属第一医院 | Basket pincers with radio frequency function |
| CN112419353B (en) * | 2020-11-26 | 2023-09-26 | 复旦大学附属中山医院 | Method and device for detecting open-close type tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2815280Y (en) * | 2004-12-24 | 2006-09-13 | 徐生源 | Thoraco-laparoscope bipolar surgical forceps |
| CN101836881B (en) * | 2010-04-26 | 2011-07-20 | 南京思维斯精密机械制造有限公司 | Sleeve structured medical in vivo minimally-invasive object-catching forceps |
| DE202015105488U1 (en) * | 2015-10-16 | 2017-01-17 | M T W - Endoskopie W. Haag Kg | biopsy forceps |
| CN206044658U (en) * | 2016-07-16 | 2017-03-29 | 杨奕夫 | Laparoscopic surgery coagulation formula biopsy extraction is clamped |
| CN206372073U (en) * | 2016-09-13 | 2017-08-04 | 张卫民 | A kind of multi-functional continuous biopsy forceps |
-
2016
- 2016-09-13 CN CN201610821466.7A patent/CN106236155A/en active Pending
-
2017
- 2017-08-30 CN CN201710762948.4A patent/CN107582108A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022333A (en) * | 2020-09-04 | 2020-12-04 | 北京中科盛康科技有限公司 | Convenient to use's high frequency electric cutter |
| CN112274194A (en) * | 2020-10-12 | 2021-01-29 | 苏州法兰克曼医疗器械有限公司 | Negative pressure suction type biopsy forceps for surgical operation |
| CN112274194B (en) * | 2020-10-12 | 2022-08-26 | 苏州法兰克曼医疗器械有限公司 | Negative pressure suction type biopsy forceps for surgical operation |
| CN112294373A (en) * | 2020-10-30 | 2021-02-02 | 苏州优脉瑞医疗科技有限公司 | Scope biopsy pincers convenient to sample |
| CN112294373B (en) * | 2020-10-30 | 2022-07-29 | 苏州优脉瑞医疗科技有限公司 | Scope biopsy pincers convenient to sample |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107582108A (en) | 2018-01-16 |
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