CN217696646U - Biopsy forceps capable of measuring depth - Google Patents

Abstract

The utility model relates to a biopsy forceps, specifically speaking relates to a biopsy forceps of measurable degree of depth. It includes fixing device and sets up in the positioner of fixing device one side, and fixing device includes cutting mechanism, and cutting mechanism's inside is equipped with lazytongs, and cutting mechanism includes the fixed plate, and the top fixedly connected with of fixed plate stretches into the pole, stretches into the inside of pole and sets up the logical groove that runs through and stretch into the pole. The utility model relates to a can live the rigidity of cutting base and cutting piece before excising patient's tumour, avoid it to take place to slide and lead to causing further injury to the patient, can directly absorb it out when tumour department has liquid to pile up simultaneously, need not reuse suction means and absorb it out, the time of cost when the doctor that significantly reduces is treated patient reduces treatment time when avoiding causing extra injury to the patient, improves treatment.

Description

Biopsy forceps capable of measuring depth

Technical Field

The utility model relates to a biopsy forceps, specifically speaking relates to a biopsy forceps of measurable degree of depth.

Background

Biopsy forceps are the indispensable instrument of pathological specimen is got in endoscopy, if use contaminated biopsy forceps to operate and acquire the sample, will lead to the emergence of nosocomial infection, present common biopsy forceps can not carry out relatively fixed with biopsy forceps and patient's health when the sample, can take place to rock when the doctor sample and lead to causing further injury to the patient to can not directly absorb it out when the focus tissue is liquid, extravagant sample time and increase patient's wound infected possibility.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biopsy forceps of measurable degree of depth to solve the problem that proposes among the above-mentioned background art.

For realizing the above-mentioned purpose, the utility model provides a biopsy forceps of measurable degree of depth, include fixing device and set up in the positioner of fixing device one side, fixing device includes cutting mechanism, cutting mechanism's inside is equipped with lazytongs, cutting mechanism includes the fixed plate, the top fixedly connected with of fixed plate stretches into the pole, stretch into the inside of pole and set up the logical groove that runs through the pole of stretching into, the one end fixedly connected with cutting base of stretching into the pole, the top of cutting base is rotated and is connected with the cutting piece, one side of cutting piece is equipped with the drive equipment, the top of fixed plate is equipped with suction means, positioner includes the locating piece, the locating piece slides and cup joints the outer wall of stretching into the pole, the inside of locating piece is equipped with the defining mechanism.

As a further improvement of the technical scheme, the driving device comprises a rotating disc, the rotating disc is rotatably arranged on one side of the fixing plate, a shifting lever is fixedly connected to the bottom end of the rotating disc, a torsion spring is fixedly connected to one side of the rotating disc, and one end of the torsion spring is fixedly connected with the fixing plate.

As a further improvement of the technical solution, the driving device further comprises a synchronizing mechanism, the synchronizing mechanism comprises a transmission rod, the transmission rod is rotatably arranged inside the fixing plate, one side of the transmission rod is provided with a steering gear set, and the steering gear set is composed of two bevel gears which are perpendicular to each other and are meshed with each other.

As a further improvement of this technical scheme, the bevel gear and the rolling disc on right side pass through drive mechanism and connect, and is left one side fixedly connected with of bevel gear runs through the synchronizing bar that stretches into the pole, the one end of synchronizing bar is equipped with the transmission shaft, synchronizing bar and transmission shaft pass through the same steering gear group transmission and connect, the one end fixedly connected with cutting gear of transmission shaft, one side meshing of cutting gear has cutting pinion rack, cutting pinion rack and cutting piece fixed connection.

As a further improvement of the technical scheme, the absorbing mechanism comprises a storage cylinder, the storage cylinder is fixedly connected with the fixing plate, the inner wall of the storage cylinder is communicated with the through groove, and a section of pull rod penetrating through the storage cylinder is connected to the inside of the storage cylinder in a sliding mode.

As a further improvement of the technical scheme, the limiting mechanism comprises two pressure rods penetrating through the positioning block, one end of each pressure rod is fixedly connected with an annular positioning ring, and the inner wall of each positioning ring is attached to the outer wall of each extending rod.

As a further improvement of the technical scheme, a positioning spring is sleeved on the outer wall of the pressure lever, and one end of the positioning spring is fixedly connected with the outer wall of the positioning block.

As a further improvement of the technical scheme, the surface of the extension rod is provided with scale mark lines.

Compared with the prior art, the beneficial effects of the utility model are that:

in this but biopsy forceps of measurement degree of depth, can fix the position of cutting base and cutting piece before taking a sample to patient's tumour, avoid it to take place to slide and lead to causing further injury to the patient, can directly absorb it out when having liquid to pile up in tumour department simultaneously, need not reuse suction means and absorb it out, the time of cost when the doctor that significantly reduces takes a sample to patient's tumour sample, reduce sample time when avoiding causing extra injury to the patient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the fixing device of the utility model;

fig. 3 is a schematic structural view of the cutting mechanism of the utility model;

fig. 4 is a schematic structural view of the synchronization mechanism of the utility model;

fig. 5 is a schematic structural view of the positioning device of the present invention.

The various reference numbers in the figures mean:

100. a fixing device;

110. a cutting mechanism; 111. a fixing plate; 112. rotating the disc; 113. a deflector rod; 114. a torsion spring; 115. a storage cylinder; 116. a pull rod; 117. extending into the rod; 117a, scale mark lines; 118. cutting the base; 119. cutting the block; 120. a synchronization mechanism; 121. a transmission rod; 122. a steering gear set; 123. a synchronization lever; 124. a drive shaft; 125. cutting the gear; 126. cutting a toothed plate;

200. a positioning device;

210. positioning a block; 220. a positioning ring; 230. a pressure lever; 240. and positioning the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-5, the present embodiment provides a biopsy forceps with depth measurement, which includes a fixing device 100 and a positioning device 200 disposed on one side of the fixing device 100, the fixing device 100 includes a cutting mechanism 110, a synchronizing mechanism 120 is disposed inside the cutting mechanism 110, the cutting mechanism 110 includes a fixing plate 111, the fixing plate 111 is used to determine the positions of an extending rod 117 and a storage cylinder 115, the top end of the fixing plate 111 is fixedly connected with the extending rod 117, a scale mark 117a is disposed on the surface between the middle portion and the tail portion of the extending rod 117, so that when the biopsy forceps is used, the biopsy forceps is extended into a puncture channel, after reaching a desired depth, the current depth is remembered by the scale mark 117a of the extending rod 117, thereby avoiding damaging blood vessels and tissues during sampling operation using the biopsy forceps, the extending rod 117 is used to determine the position of a cutting base 118, a through groove penetrating through the extending rod 117 is disposed inside the extending rod 117, the through groove is used for helping to suck out liquid in a focus, one end of the extending rod 117 is fixedly connected with a cutting base 118, the cutting base 118 is used for determining the position of a cutting block 119, the top of the cutting base 118 is rotatably connected with the cutting block 119, the cutting block 119 is used for completing cutting of a tumor part by matching with the cutting base 118, one side of the cutting block 119 is provided with a driving device which is used for driving the cutting block 119 to move, the top of the fixing plate 111 is provided with a suction mechanism which is used for sucking out liquid of the tumor part of a patient, the positioning device 200 comprises a positioning block 210, the positioning block 210 is used for helping to extend the cutting base 118 and the cutting block 119 into and fix the cutting block at the tumor position, the positioning block 210 is sleeved on the outer wall of the extending rod 117 in a sliding mode, a limiting mechanism is arranged inside the positioning block 210 and used for fixing the position of the positioning block 210, the effect of being able to determine the cutting base 118 and the depth of penetration of the cutting base 118 prior to sampling the tumour is achieved and to suck it out when a large volume of liquid is encountered, without the need to use a suction device for suction.

In this embodiment, insert cutting base 118 and cutting block 119 to the focus position through puncture channel, promote locating piece 210 to puncture channel mouth position through limiting mechanism, can avoid cutting base 118 and cutting block 119 to take place to slide when taking a sample to the tumour, cause the unsatisfactory phenomenon of tumour sample effect, drive cutting block 119 through driving equipment and remove and cut the tumour, can accomplish through suction means when needing to carry out the liquid extraction to focus department, can save doctor's a large amount of time compared with common biopsy forceps, avoid the patient when taking a sample and the external contact time is too long leads to the probably increaseing of wound infection.

In order to realize the effect that the cutting block 119 can cooperate with the cutting base 118 to complete the sampling action, the driving device comprises a rotating disc 112, the rotating disc 112 is used for driving a transmission rod 121 to rotate through a transmission mechanism, the rotating disc 112 is rotatably arranged on one side of a fixed plate 111, a deflector rod 113 is fixedly connected to the bottom end of the rotating disc 112, the deflector rod 113 is used for driving the rotating disc 112 to rotate, a torsion spring 114 is fixedly connected to one side of the rotating disc 112, the torsion spring 114 is used for enabling the rotating disc 112 to return to the original position after the rotating disc 112 finishes moving, one end of the torsion spring 114 is fixedly connected with the fixed plate 111, the driving device further comprises a synchronizing mechanism 120, the synchronizing mechanism 120 comprises a transmission rod 121, the transmission rod 121 is used for driving a steering gear set 122 to rotate, the transmission rod 121 is rotatably arranged inside the fixed plate 111, one side of the transmission rod 121 is provided with the steering gear set 122, the steering gear set 122 is used for changing the transmission direction of the force and driving the synchronous rod 123 to rotate, the steering gear set 122 is composed of two bevel gears which are perpendicular to each other and are meshed with each other, the bevel gear on the right side is connected with the rotating disc 112 through a transmission mechanism, the transmission mechanism is composed of two belt pulleys and a belt, the two belt pulleys are connected through the belt, the transmission mechanism is used for driving the transmission rod 121 to rotate, one side of the bevel gear on the left side is fixedly connected with the synchronous rod 123 which penetrates through the extending rod 117, the synchronous rod 123 is used for driving the transmission shaft 124 to rotate through the steering gear set 122, one end of the synchronous rod 123 is provided with the transmission shaft 124, the transmission shaft 124 is used for driving the cutting gear 125 to rotate, the synchronous rod 123 and the transmission shaft 124 are in transmission connection through the same steering gear set 122, one end of the transmission shaft 124 is fixedly connected with the cutting gear 125, the cutting gear 125 is used for driving the cutting gear plate 126 to rotate, and one side of the cutting gear plate 126 is meshed with the cutting gear plate 126, cutting pinion rack 126 is used for driving cutting block 119 and rotates, and cutting pinion rack 126 and cutting block 119 fixed connection realize that cutting block 119 can cooperate cutting base 118 to accomplish the effect of sample action.

In order to realize the effect of absorbing the liquid of patient's focus department out, the mechanism of absorbing includes storage cylinder 115, storage cylinder 115 is used for storing focus department liquid, storage cylinder 115 and fixed plate 111 fixed connection, the inner wall of storage cylinder 115 is linked together with leading to the groove, the inside sliding connection of storage cylinder 115 has one section pull rod 116 that runs through storage cylinder 115, the one end fixedly connected with pull disc of pull rod 116, the pull disc slides and sets up in storage cylinder 115's inside, and the lateral wall of pull disc and the inner wall laminating of storage cylinder 115, pull rod 116 is used for driving the pull disc and removes, the pull disc is used for changing logical groove and stretches into the inside atmospheric pressure of pole 117, make the liquid of patient's focus department sucked inside stretching into pole 117, realize the effect of absorbing the liquid of patient's focus department out.

Still further, it includes two depression bars 230 that run through locating piece 210 to prescribe a limit to the mechanism, depression bar 230 is used for driving holding ring 220 to remove, the one end fixedly connected with of depression bar 230 is annular holding ring 220, in order to can with stretch into the outer wall laminating of pole 117 and then with the locating piece 210 with stretch into the position of pole 117 fixed, the inner wall of holding ring 220 with stretch into the outer wall laminating of pole 117, holding spring 240 has been cup jointed to the outer wall of depression bar 230, holding spring 240 is used for promoting depression bar 230 to make one side of holding ring 220 and the outer wall laminating of stretching into pole 117 accomplish fixed effect, the one end of holding spring 240 and the outer wall fixed connection of locating piece 210, realize that locating piece 210 position can be fixed in the effect of optional position, avoid cutting base 118 and cutting piece 119 to take place to remove when sample patient's tumour and lead to the fact further injury to the patient.

When the biopsy forceps capable of measuring the depth is used specifically, the cutting base 118 and the cutting block 119 are inserted into a focus position through a puncture channel, the positioning block 220 is pulled back and pressed by the compression rod 230 to be attached to the extending rod 117, the positioning block 210 is pushed to the opening of the puncture channel, the positioning spring 240 pushes the compression rod 230 to enable the positioning block 220 to be attached to the extending rod 117, the position of the positioning block 210 is determined, the cutting base 118 and the cutting block 119 can be prevented from sliding when a tumor is sampled, the phenomenon that the tumor sampling effect is not ideal is avoided, the deflector rod 113 is pushed to enable the rotating disc 112 to drive the transmission rod 121 to rotate through the transmission mechanism, the transmission rod 121 drives the cutting toothed plate 126 to rotate through the steering gear set 122, the synchronizing rod 123, the transmission shaft 124 and the cutting gear 125, the cutting toothed plate 126 drives the cutting block 119 to rotate to sample the tumor, the sampling can be completed when liquid needs to be extracted from the focus, a large amount of time of a doctor can be saved compared with a common biopsy forceps which is too long biopsy forceps, and the possibility that a wound is infected due to the contact time with the outside of a patient during sampling can be avoided.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. Biopsy forceps with depth measurement function, comprising a fixing device (100) and a positioning device (200) arranged on one side of the fixing device (100), characterized in that: fixing device (100) includes cutting mechanism (110), the inside of cutting mechanism (110) is equipped with lazytongs (120), cutting mechanism (110) is including fixed plate (111), the top fixedly connected with of fixed plate (111) stretches into pole (117), stretch into the inside of pole (117) and set up the logical groove that runs through and stretch into pole (117), the one end fixedly connected with cutting base (118) of stretching into pole (117), the top of cutting base (118) is rotated and is connected with cutting block (119), one side of cutting block (119) is equipped with the drive equipment, the top of fixed plate (111) is equipped with suction means, positioner (200) are including locating piece (210), locating piece (210) slip cup joint is stretching into the outer wall of pole (117), the inside of locating piece (210) is equipped with the limit mechanism.

2. The measurable depth bioptome of claim 1, wherein: the driving device comprises a rotating disc (112), the rotating disc (112) is rotatably arranged on one side of a fixing plate (111), a shifting lever (113) is fixedly connected to the bottom end of the rotating disc (112), a torsion spring (114) is fixedly connected to one side of the rotating disc (112), and one end of the torsion spring (114) is fixedly connected with the fixing plate (111).

3. The measurable depth bioptome of claim 2, wherein: the driving device further comprises a synchronizing mechanism (120), the synchronizing mechanism (120) comprises a transmission rod (121), the transmission rod (121) is rotatably arranged inside the fixing plate (111), a steering gear set (122) is arranged on one side of the transmission rod (121), and the steering gear set (122) is composed of two bevel gears which are perpendicular to each other and meshed with each other.

4. The measurable depth bioptome of claim 3, wherein: the right side bevel gear and rolling disc (112) are connected through drive mechanism, and is left one side fixedly connected with of bevel gear runs through synchronizing bar (123) that stretch into pole (117), the one end of synchronizing bar (123) is equipped with transmission shaft (124), synchronizing bar (123) and transmission shaft (124) are connected through same steering gear group (122) transmission, the one end fixedly connected with cutting gear (125) of transmission shaft (124), one side meshing of cutting gear (125) has cutting pinion rack (126), cutting pinion rack (126) and cutting piece (119) fixed connection.

5. The measurable depth bioptome of claim 1, wherein: the suction mechanism comprises a storage cylinder (115), the storage cylinder (115) is fixedly connected with the fixing plate (111), the inner wall of the storage cylinder (115) is communicated with the through groove, and a section of pull rod (116) penetrating through the storage cylinder (115) is connected inside the storage cylinder (115) in a sliding mode.

6. The measurable depth bioptome of claim 1, wherein: the limiting mechanism comprises two pressure rods (230) penetrating through the positioning block (210), one end of each pressure rod (230) is fixedly connected with an annular positioning ring (220), and the inner wall of each positioning ring (220) is attached to the outer wall of the corresponding extending rod (117).

7. The measurable depth bioptome of claim 6, wherein: the outer wall of the pressure lever (230) is sleeved with a positioning spring (240), and one end of the positioning spring (240) is fixedly connected with the outer wall of the positioning block (210).

8. The measurable depth bioptome of claim 1, wherein: the surface of the inserting rod (117) is provided with a scale mark line (117 a).

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