CN205548593U - Hand held auto -lock biopsy forceps that resets - Google Patents
Hand held auto -lock biopsy forceps that resets Download PDFInfo
- Publication number
- CN205548593U CN205548593U CN201620140917.6U CN201620140917U CN205548593U CN 205548593 U CN205548593 U CN 205548593U CN 201620140917 U CN201620140917 U CN 201620140917U CN 205548593 U CN205548593 U CN 205548593U
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- China
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- helical gear
- housing
- hand held
- biopsy forceps
- button
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Abstract
The utility model relates to a medical instrument technical field under the endoscope, in particular to hand held auto -lock biopsy forceps that resets. The utility model discloses a holding device, keep silent device and connector, holding device includes first casing and first button and second button, be provided with slewing mechanism, auto -lock canceling release mechanical system in the first casing, auto -lock canceling release mechanical system includes pawl and gearing, use the utility model discloses the time, hold holding device, press first button to make the slewing mechanism rotation, through the connector, make the alignment clip of keeping silent get, then press the second button, make auto -lock canceling release mechanical system pin slewing mechanism, the state that the device holding clip was got thereby the messenger keeps silent, take out after external when the device of keeping silent, in the time of need loosening, press the auto -lock canceling release mechanical system slewing mechanism that resets to time is kept silent the device and is loosened, the utility model discloses simple structure is convenient for hold and is had the auto -lock reset function, convenient operation, and the practicality is strong.
Description
Technical field
This utility model relates to Microendoscopic technical field of medical instruments, particularly to a kind of hand held self-locking reset biopsy forceps.
Background technology
Endoscope is a kind of optical instrument, sent into internal by external through human body natural's tract, internal disease is checked, lesion cavity in internal organs can be observed directly, determine its position, scope, and can carry out taking a picture, biopsy or brushing piece, greatly increase the accuracy rate of diagnosis of cancer, and some treatment can be carried out.Fibre optic endoscopes system utilizes optical fibers to transmit cold light source, and caliber is little, and flexible, and during inspection, patient suffering is few.Endoscope is now widely used, such as gastroscopy gastric cancer, bronchoscopy pulmonary carcinoma, tracheocarcinoma, the esophagoscopy esophageal carcinoma, sigmoidoscopy rectal cancer, carcinomaofsigmoid, cystoscopy bladder cancer, laryngoscopy laryngeal carcinoma, pharyngorhinoscopy nasopharyngeal carcinoma, colposcopy cervical cancer, cancer of vagina etc..
In recent years, in clinical medicine checks, splanchnoscopy has been obtained for extensively applying as a kind of aided diagnosis method, and in splanchnoscopy, biopsy forceps is an indispensable instrument, when doctor or patient wish that diseased region is carried out pathologic finding, it can enter in patient body by endoscope, grips pathological tissues, is sampled by endoscope, Micro trauma, misery are little, so splanchnoscopy is a kind of well received diagnostic method.
The binding clip assembly of the most conventional endoscope biopsyforceps is mainly by binding clip frame, two steel wires that one end is connected with stick, and two binding clips hinged with binding clip frame are constituted, the other end of steel wire is connected with two binding clips respectively, such endoscope biopsyforceps Stability Analysis of Structures, practical, but this kind of biopsy forceps needs singlehanded Sustainable Control operating handle, do not possess reset function and autonomous auto-lock function, in actual applications, bring a lot of inconvenience to treatment.
Patent name is the Chinese invention application of the biopsy forceps (Publication No. CN102309349A) of band adjusting apparatus, disclose the biopsy forceps of a kind of band adjusting apparatus, including caliper, the front end binding clip of caliper passes soft pincers road and is positioned at one end of gastroscope, the clamp handle of the caliper other end controls the activity of biopsy forceps, caliper is arranged side by side with control wire, and one end of control wire is fixing with the binding clip of biopsy forceps to be connected, and the other end of control wire then stretches out the soft pincers road of gastroscope and is together exposed on the external with clamp handle；This biopsy forceps does not has resetting-mechanism, adds the labor intensity of medical worker, extends the time of operation technique.
Summary of the invention
In order to overcome deficiency described above, the purpose of this utility model is to provide a kind of hand held self-locking reset biopsy forceps that can conveniently hold and have self-locking reset function.
The technical scheme in the invention for solving the technical problem is:
A kind of hand held self-locking reset biopsy forceps, wherein, including the grip device for holding, for the jaw device of gripping and for connecting the connector of described grip device and jaw device；Described grip device includes the first housing and is arranged on the first button on described first housing and the second button；Being provided with in described first housing for driving the motion of described jaw device and the rotating mechanism being connected with described first button, for pinning and reset described rotating mechanism and the self-locking resetting-mechanism that is connected with described second button, described self-locking resetting-mechanism includes pawl-and-gearing.
As a kind of improvement of the present utility model, described self-locking resetting-mechanism also includes the first helical gear and the second helical gear being meshed.
As further improvement of the utility model, described rotating mechanism includes the 3rd helical gear, the 4th helical gear and telescopic shaft, described 3rd helical gear is fixedly connected in described first housing, described 3rd helical gear is inside engaged gear, described 3rd helical gear internal messing connects described 4th helical gear, and described 3rd helical gear and the 4th helical gear are fixedly and coaxially connected by described telescopic shaft；By the coaxially connected described ratchet of telescopic shaft and the first helical gear below described 4th helical gear；Described second helical gear is fixedly connected in described first housing by axis.
Further improve as of the present utility model, described jaw device includes the second housing and is arranged on the worm screw in described second housing and worm sector, the engagement of described worm screw symmetry connects two described worm sectors, described worm sector is connected with connecting rod by connecting shaft, and described connecting rod is fixedly connected with clamp.
Further improve as of the present utility model, be provided with, between described 3rd helical gear and the 4th helical gear, the spring being enclosed within described telescopic shaft；It is provided with keyway on described 3rd helical gear, in described first housing, is provided with the feather key in being stuck in described keyway.
Further improving as of the present utility model, the lateral wall of described first housing uses cambered surface, and the lateral wall of described first housing connects handle.
Further improve as of the present utility model, between described worm sector and described connecting rod, be provided with the torsion spring being enclosed within described connecting shaft.
Further improve as of the present utility model, described worm sector is provided with spacer pin.
Further improving as of the present utility model, one end of described worm screw is socketed with sleeve, and the other end of described worm screw connects Double helix reamer.
Further improving as of the present utility model, described connector includes flexible hose and is arranged on the steel wire in described flexible hose.
When using this utility model, hold grip device, press the first button, so that rotating mechanism rotates, by connector, jaw device is made to grip, then press the second button, make self-locking resetting-mechanism pin rotating mechanism, so that jaw device keeps the state of gripping；When jaw device take out external after, when needing to unclamp, press self-locking resetting-mechanism reset rotating mechanism, thus time jaw device unclamp；This utility model simple in construction, it is simple to hold and have self-locking reset function, easy to operate, practical.
Accompanying drawing explanation
For ease of explanation, this utility model is described in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the front view of Fig. 2；
Fig. 5 is the internal structure schematic diagram of jaw device of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of hand held self-locking reset biopsy forceps of the present utility model includes the grip device 1 for holding, for the jaw device 3 of gripping and for connecting the connector 2 of grip device 1 and jaw device 3；Grip device 1 includes the first housing 11 and the first button 12 and the second button 13 being arranged on the first housing 11；Be provided with the rotating mechanism 15 for driving jaw device 3 to move and being connected with the first button 12 in first housing 11, for pinning and reset rotating mechanism 15 and the self-locking resetting-mechanism 14 that is connected with the second button 13, self-locking resetting-mechanism 14 includes ratchet 141 and ratchet 142.
When using this utility model, hold grip device 1, press the first button 12, so that rotating mechanism 15 rotates, by connector 2, jaw device 3 is made to grip, then press the second button 13, make self-locking resetting-mechanism 14 pin rotating mechanism 15, so that jaw device 3 keeps the state of gripping；When jaw device 3 take out external after, when needing to unclamp, press self-locking resetting-mechanism 14 and reset rotating mechanism 15, thus time jaw device unclamp.
Further, self-locking resetting-mechanism 14 also includes the first helical gear 143 and the second helical gear 144 being meshed.
This utility model provides a kind of embodiment of rotating mechanism 15, rotating mechanism 15 includes the 3rd helical gear the 151, the 4th helical gear 152 and telescopic shaft 153,3rd helical gear 151 is fixedly connected in the first housing 11,3rd helical gear 151 is inside engaged gear, 3rd helical gear 151 internal messing connects the 4th helical gear 152, and the 3rd helical gear 151 and the 4th helical gear 152 are fixedly and coaxially connected by telescopic shaft 153；By the coaxially connected ratchet of telescopic shaft 153 142 and the first helical gear 143 below 4th helical gear 152；Second helical gear 144 is fixedly connected in the first housing 11 by axis 145.
This utility model provides a kind of embodiment of jaw device 3, jaw device 3 includes the second housing 35 and is arranged on the worm screw 32 in the second housing 35 and worm sector 321, the symmetrical engagement of worm screw 32 connects two worm sectors 321, worm sector 321 is connected with connecting rod 34 by connecting shaft 33, and connecting rod 34 is fixedly connected with clamp 341.
In this utility model, in order to make the 3rd helical gear 151 and the 4th helical gear 152 more sports-like,
It is provided with, between 3rd helical gear 151 and the 4th helical gear 152, the spring 154 being enclosed within telescopic shaft 153；It is provided with keyway, the feather key 155 being provided with in being stuck in keyway in the first housing 11 on 3rd helical gear 151.
Further, the lateral wall of the first housing 11 uses cambered surface, and the lateral wall of the first housing 11 connects handle 111.
Further, the torsion spring 331 being enclosed within connecting shaft 33 it is provided with between worm sector 321 and connecting rod 34.
The most further, worm sector 321 is provided with spacer pin 332；One end of worm screw 32 is socketed with sleeve 31, and its other end connects Double helix reamer 3411；Connector 2 includes flexible hose 21 and the steel wire 22 being arranged in flexible hose 21.
nullThis utility model provides an embodiment，As shown in Figure 1，The present embodiment includes grip device 1、Connector 2 and jaw device 3，First housing 11 uses laminating gesture and facial expression radian design，Handle 111 it is fixedly connected with for being enclosed within the back of the hand at binding face，First housing 11 upper surface is provided with depressible first button 12，Connect below first button 12 and have the 3rd helical gear 151，3rd helical gear 151 is inside engaged gear，3rd helical gear 151 outer wall is provided with keyway，First housing 11 inwall is provided with feather key 155，Can be stuck in keyway and play the guiding role，3rd helical gear 151 internal messing has the 4th helical teeth 152，3rd helical gear 151 is connected coaxially through telescopic shaft 153 is fixing with the 4th helical teeth 152，It is provided with spring 154 between 3rd helical gear 151 and the 4th helical teeth 152 to be connected，Connection ratchet 142 and the first helical gear 143 it is coaxially disposed below telescopic shaft 153，Ratchet 142 is provided with ratchet 141 and controls its self-locking，Ratchet 141 is positioned the first housing 11 inwall by spring，The rotation of ratchet 141 is controlled with for releasing self-locking by pressing the second button 13，Ratchet 142 lower surface is coaxially connected with the first helical gear 143，First helical gear 143 engages the second helical gear 144，Second helical gear 144 is fixedly connected with the first housing 11 by axis 145，Second helical gear 144 has been fixedly and coaxially connected steel wire 22，Steel wire 22 can occur synchronous rotation along with the rotation of the second helical gear 144，Outside steel wire 22, the medical flexible flexible pipe 21 of parcel then will not rotate，The other end of flexible hose 21 connects sleeve 31，Sleeve 31 other end is provided with the second housing 35，It is fixedly and coaxially connected with worm screw 32 through sleeve 31 at the second housing 35 inner wire 22，The other end of worm screw 32 connects Double helix reamer 3411，Worm screw 32 symmetry is engaged with two identical worm sectors 321，Worm sector 321 axle center is cased with connecting shaft 33，And be connected on the second housing 35，Connecting rod 34 it is cased with on worm sector 321，And connecting rod 34 extends to connecting shaft 33，The torsion spring 331 being enclosed within connecting shaft 33 it is provided with as overload protection between worm sector 321 and connecting rod 34，Spacer pin 332 it is provided with as position limitation protection on the worm sector 321 of connecting rod 34 another side，The other end of connecting rod 34 is fixedly connected with clamp 341.
nullWhen needs work，Jaw device 3 is delivered to by medical flexible flexible pipe 21 position needing to carry out curing，Palm passes handle 111，Gesture and facial expression holds the first housing 11，Thumb presses the first button 12，First button 12 promotes the 3rd helical gear 151 to move downward，Now spring 154 is in confined state，Due to the 3rd helical gear 151 internal messing the 4th helical gear 152，4th helical gear 152 drives telescopic shaft 153 to carry out rotation，Telescopic shaft 153 drives ratchet 142 and the first helical gear 143 to make synchronous rotation motion，Owing to the first helical gear 143 engages with the second helical gear 144，So it is dynamic that the second helical gear 144 organizes transhipment in opposite directions，Second helical gear 144 drives steel wire 22 to make synchronous rotation motion，Steel wire 22 drives worm screw 32 to make synchronous rotation motion，Owing to worm sector 321 engages with worm screw 32，So worm screw 32 drives worm sector 321 rotation，Clamp 341 is made to carry out closing entire after clamping foreign body，After clamp 341 completely closes，Unclamp the first button 12 now spring originally should make to recover motion，But ratchet 142 keeps self-locking to rotate under the effect of ratchet 141，Clamp 341 keeps closing entire state，The most just can liberate that both hands are more single-minded to be extracted medical flexible flexible pipe 21，After jaw device 3 is extracted，Press the second button 13，Ratchet 141 goes to side at pressing effect backspin，Release self-locking，Now spring starts to make to recover motion，3rd helical gear 151 the most upwards jack-up，4th helical gear 152 carries out reverse rotation under the engagement of the 3rd helical gear 151，4th helical gear 152 drives the first helical gear 143，First helical gear 143 drives the second helical gear 144，Second helical gear 144 drives steel wire 22，Steel wire 22 drives worm screw 32 to carry out reverse rotation，Now clamp 341 starts to open，Next round work is being carried out after cleaning.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (10)
1. a hand held self-locking reset biopsy forceps, it is characterised in that include the grip device for holding, for the jaw device of gripping and for connecting the connector of described grip device and jaw device；Described grip device includes the first housing and is arranged on the first button on described first housing and the second button；Being provided with in described first housing for driving the motion of described jaw device and the rotating mechanism being connected with described first button, for pinning and reset described rotating mechanism and the self-locking resetting-mechanism that is connected with described second button, described self-locking resetting-mechanism includes pawl-and-gearing.
A kind of hand held self-locking reset biopsy forceps the most according to claim 1, it is characterised in that described self-locking resetting-mechanism also includes the first helical gear and the second helical gear being meshed.
A kind of hand held self-locking reset biopsy forceps the most according to claim 2, it is characterized in that, described rotating mechanism includes the 3rd helical gear, the 4th helical gear and telescopic shaft, described 3rd helical gear is fixedly connected in described first housing, described 3rd helical gear is inside engaged gear, described 3rd helical gear internal messing connects described 4th helical gear, and described 3rd helical gear and the 4th helical gear are fixedly and coaxially connected by described telescopic shaft；By the coaxially connected described ratchet of telescopic shaft and the first helical gear below described 4th helical gear；Described second helical gear is fixedly connected in described first housing by axis.
A kind of hand held self-locking reset biopsy forceps the most according to claim 3, it is characterized in that, described jaw device includes the second housing and is arranged on the worm screw in described second housing and worm sector, the engagement of described worm screw symmetry connects two described worm sectors, described worm sector is connected with connecting rod by connecting shaft, and described connecting rod is fixedly connected with clamp.
A kind of hand held self-locking reset biopsy forceps the most according to claim 4, it is characterised in that
It is provided with, between described 3rd helical gear and the 4th helical gear, the spring being enclosed within described telescopic shaft；It is provided with keyway on described 3rd helical gear, in described first housing, is provided with the feather key in being stuck in described keyway.
A kind of hand held self-locking reset biopsy forceps the most according to claim 5, it is characterised in that the lateral wall of described first housing uses cambered surface, and the lateral wall of described first housing connects handle.
A kind of hand held self-locking reset biopsy forceps the most according to claim 6, it is characterised in that be provided with the torsion spring being enclosed within described connecting shaft between described worm sector and described connecting rod.
A kind of hand held self-locking reset biopsy forceps the most according to claim 7, it is characterised in that
It is provided with spacer pin on described worm sector.
A kind of hand held self-locking reset biopsy forceps the most according to claim 8, it is characterised in that
One end of described worm screw is socketed with sleeve, and the other end of described worm screw connects Double helix reamer.
A kind of hand held self-locking reset biopsy forceps the most according to claim 9, it is characterised in that described connector includes flexible hose and is arranged on the steel wire in described flexible hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140917.6U CN205548593U (en) | 2016-02-25 | 2016-02-25 | Hand held auto -lock biopsy forceps that resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620140917.6U CN205548593U (en) | 2016-02-25 | 2016-02-25 | Hand held auto -lock biopsy forceps that resets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205548593U true CN205548593U (en) | 2016-09-07 |
Family
ID=56818408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620140917.6U Withdrawn - After Issue CN205548593U (en) | 2016-02-25 | 2016-02-25 | Hand held auto -lock biopsy forceps that resets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205548593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105748109A (en) * | 2016-02-25 | 2016-07-13 | 韩新巍 | Handheld self-locking and resetting biopsy forceps |
-
2016
- 2016-02-25 CN CN201620140917.6U patent/CN205548593U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105748109A (en) * | 2016-02-25 | 2016-07-13 | 韩新巍 | Handheld self-locking and resetting biopsy forceps |
| CN105748109B (en) * | 2016-02-25 | 2018-07-24 | 郑州大学第一附属医院 | A kind of hand held self-locking reset biopsy forceps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20180724 |
|
| AV01 | Patent right actively abandoned |