CN210612163U

CN210612163U - Accurate biopsy forceps with scales

Info

Publication number: CN210612163U
Application number: CN201920983647.9U
Authority: CN
Inventors: 张�林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-26
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an accurate biopsy forceps with scale in the medical apparatus field, this kind of accurate pincers that lives include the support and the handle that is used for gripping, be connected with the outer tube that the axial was placed between handle and the support, the outer tube is connected to the one end of support, and the other end of support is connected with mutual articulated binding clip, and the binding clip divide into pincers mouth and pincers tail according to pin joint place position, and the pincers tail is opened there is the connecting hole, and the connecting hole in-connection has acts as go-between, and the one end system of acting as go-between is in the connecting hole, and the other end of acting as go-between is connected with and is used for controlling the binding clip to open or closed core bar, the core bar is located inside the outer tube, the outer tube adopts the steel material preparation, and the outer tube surface is marked with the scale. Compared with biopsy forceps in the prior art, the biopsy forceps have the advantages that the forceps head is driven by the core rod to be opened and closed to clamp pathological tissues, and the biopsy forceps can be used for measuring the size, the length and the position of pathological changes.

Description

Accurate biopsy forceps with scales

Technical Field

The utility model belongs to the field of medical equipment, specifically be accurate biopsy forceps with scale.

Background

In the treatment of respiratory diseases, a medical worker usually pinches a lesion tissue (tumor, foreign body protrusion, etc.) growing in the respiratory tract as a specimen, and this means is generally called biopsy (biopsy). The medical staff analyzes the components and properties of the clamp specimen, thereby drawing up a treatment scheme and medicines for inhibiting growth.

The ① brush is generally adhered to a stainless steel U-shaped ring, and medical staff extend the brush into a patient to take a living body sample by brushing, but the cytological examination sample obtained by the method has poor quality, and meanwhile, the brush is broken due to uneven stress during brushing, and the brush left in an air passage needs to be taken out by operation.

② curette, which is commonly used in the Japanese medical community, is largely classified into single-or double-fold in shape, ③ aspiration, ④ fiberoptic bronchoscope for cleansing or high volume lavage, which are commonly used as a patient with high risk of complications (especially bleeding) of biopsy forceps and brushes due to the small volume of the sample, requiring repeated sampling to obtain a sample supporting the study, increasing labor costs.

⑤ kinds of sampling methods are biopsy forceps, which are usually connected with a bendable fiberoptic bronchoscope at the tail of the biopsy forceps to clamp a large amount of pathological tissues, and because the biopsy forceps adopt a clamping principle to sample, the obtained pathological tissues are more than the 4 methods, thereby reducing the diagnosis error of pathology, and the biopsy forceps are widely used.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to realize accurate pincers at the biopsy in-process and get pathological tissue, can be used for measuring the function of pathological change size, length, position again.

In order to achieve the above purpose, the technical solution of the present invention is as follows: including the support with be used for the handle that grips, be connected with the outer tube that the axial was placed between handle and the support, the outer tube is connected to the one end of support, and the other end of support is connected with mutual articulated binding clip, and the binding clip divide into pincers mouth and pincers tail according to pin joint position, and the pincers tail is opened there is the connecting hole, and the connecting hole in-connection is acted as go-between, and the one end system of acting as go-between is in the connecting hole, and the other end of acting as go-between is connected with and is used for controlling the binding clip to open or closed core bar, the core bar is located inside the outer tube, the outer tube adopts the steel material preparation, and outer tube surface marks the scale, the.

After the scheme is adopted, the following beneficial effects are realized: 1. compared with biopsy forceps in the prior art, the biopsy forceps have the advantages that the forceps heads are driven to open, close and rotate through the core rod, so that pathological tissues can be accurately clamped, and the biopsy forceps can be used for measuring the size, the length and the position of pathological changes.

2. Medical personnel can measure pathological anatomy's length through the scale on outer tube surface when using, and medical personnel can carry out CT to the patient simultaneously and shoot, and medical personnel can refer to the scale on outer tube surface this moment and estimate the degree of depth of reading patient's pathological change tissue apart from visual air flue under the bronchoscope to the degree of depth in control biopsy forceps gets into the air flue, carries out lung biopsy more accurately relatively, can improve doctor's work efficiency, alleviates patient's misery.

Furthermore, a rotating ring is arranged at the joint of the support and the outer pipe, and the rotating ring and the support are integrally manufactured. The bracket can drive the forceps head to rotate and change direction conveniently, and the requirement of accurate forceps taking of the lesion tissues at different positions is met.

Further, the swivel includes internal surface and surface, and the internal surface of swivel rotates and connects in the core bar, and the surface of swivel includes the screw thread portion of linking bridge and the needle rolling portion of connecting the outer tube, screw thread portion processing has the screw thread groove of circumference, and the overlap portion processing of support and swivel has the screw thread tooth with screw thread groove adaptation connection, the diameter of block portion is less than the diameter of screw thread portion and block portion and is less than the outer tube diameter, and the block portion is opened there is the screw, and the outer tube is opened with the coincidence department of screw and is had the through-hole.

Make things convenient for medical personnel to turn to when pincers get the pathogen, match the position of pathogen, increased the practicality among the operation process.

Furthermore, the cross section of the needle roller part is I-shaped, the needle roller part comprises planes with two convex ends and a clamping groove with a concave middle part, the height difference between the planes with the two convex ends and the clamping groove is H, a needle roller bearing is clamped in the clamping groove, the outer surface of the needle roller bearing is clamped in the outer pipe, the inner surface of the needle roller bearing is in clearance fit with the clamping groove, and the thickness of the needle roller bearing is equal to H.

Medical personnel carry out the pincers of pathological change tissue and remove the time, medical personnel aim at pathological change tissue with the binding clip, medical personnel rotate the handle afterwards, the handle rotates the in-process and drives the core bar and rotate, the core bar is with swivel circumferential direction this moment, because the screw thread portion and the support threaded connection of swivel, so the swivel of circumferential direction passes through the support and drives the binding clip rotatory, when the swivel is when rotating, because needle bearing's existence, the outer tube does not produce the trend of rotating, when the binding clip is rotatory to pathogen position, accomplish the calibration.

Compared with biopsy forceps in the prior art, the biopsy forceps have the advantages that the orientation of the forceps head is adjusted by the aid of the rotary ring, and accuracy of forceps taking is improved. Meanwhile, the technical scheme utilizes the needle bearing as a transition piece, so that the space volume is saved, and the circumferential moment generated when the outer rod receives the rotation of the rotating ring is avoided.

Furthermore, the cross section of the binding clip is oval, and a semi-enclosed ball cage is formed after the binding clip is closed. After the forceps take the pathogens, the medical staff continuously keeps the forceps heads closed, so that the pathogens are prevented from being lost, the sampling accuracy is enhanced, and meanwhile, the tightness of the forceps taking process is also enhanced.

Furthermore, the scales are circumferential circles surrounding the surface of the outer tube, the first thickening is carried out when the division value corresponding to the scales is a multiple of 5, and the second thickening is carried out when the division value corresponding to the scales is a multiple of 10. The medical staff can read and observe conveniently.

Drawings

Fig. 1 is an isometric view of an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of FIG. 1;

fig. 3 is a view showing the connection between the swivel and the core in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the clamp comprises a support 1, a handle 2, an outer tube 3, scales 4, a rotary ring 5, a threaded portion 501, a clamping groove 502, a needle bearing 503, a clamp head 6, a clamp mouth 601, a clamp tail 602, a core bar 7 and a pull wire 8.

The embodiment is basically as shown in the attached figure 1: accurate biopsy forceps with scale include support 1 and the handle 2 that is used for holding, be connected with the outer tube 3 that the axial was placed between handle 2 and the support 1, outer tube 3 adopts the steel material preparation, 3 surperficial marks of outer tube have scale 4, scale 4 is arranged to 2 ascending orders of handle along binding clip 6, scale 4 is the circumference circle on encircleing outer tube 3 surface, and carry out the first time when the division value that scale 4 corresponds is 5 multiples and add thick, carry out the second time when the division value that scale 4 corresponds is 10 multiples and add thick, the minimum division value of scale 4 is 1 CM.

Referring to fig. 3, a rotating ring 5 is sleeved at a joint of the support 1 and the outer tube 3, the rotating ring 5 includes an inner surface and an outer surface, the inner surface of the rotating ring 5 is rotatably connected to the core rod 7, the outer surface of the rotating ring 5 includes a threaded portion 501 connected to the support 1 and a needle roller portion connected to the outer tube 3, a circumferential threaded groove is formed in the threaded portion 501, a thread tooth adapted to the threaded groove is formed in a portion where the support 1 and the rotating ring 5 overlap, a diameter of the engaging portion 502 is smaller than that of the threaded portion 501, a diameter of the engaging portion 502 is smaller than that of the outer tube 3, a threaded hole is formed in the engaging portion 502, and a through hole is formed in a portion where the.

The cross section of the needle roller part is I-shaped, the needle roller part comprises planes protruding from two ends and a clamping groove 502 recessed in the middle, the height difference between the planes protruding from the two ends and the clamping groove is 1.3cm, a needle roller bearing 503 is clamped in the clamping groove, the outer surface of the needle roller bearing 503 is clamped in the outer tube 3, the inner surface of the needle roller bearing 503 is in clearance fit with the clamping groove, and the thickness of the needle roller bearing 503 is 1.32 cm. As shown in fig. 2, one end of the support 1 is connected with the outer tube 3, the other end of the support 1 is connected with the binding clip 6 hinged to each other, the binding clip 6 is divided into a binding clip nozzle 601 and a binding clip tail 602 according to the position of a hinge point, the binding clip tail 602 is provided with a connecting hole, a pull wire 8 is connected in the connecting hole, one end of the pull wire 8 is tied in the connecting hole, the other end of the pull wire 8 is connected with a core rod 7 for controlling the binding clip 6 to open or close, and the core rod 7 is.

The specific implementation process is as follows: medical personnel carry out chest X-ray or CT to the patient earlier, carry out estimation lesion body and the degree of depth and the position of apart from the air flue according to the photo after the patient formation of image afterwards, and medical personnel debugs biopsy forceps afterwards.

When debugging, at first medical personnel turn to support 1, guarantee that binding clip 6 is located the homonymy with the pathological change position in the photo, medical personnel stretch into the patient trachea with biopsy forceps afterwards, because 3 surface marks of pipe have scale 4 among this technical scheme, so the patient estimates the back to the pathological change position in the photo, 3 surface scale 4 control biopsy forceps of outer tube stretch into the degree of depth in the patient's air flue, medical personnel can paste biopsy forceps and lean on patient's pathological change tissue simultaneously, estimate the size of reading pathological change tissue according to scale 4 on 3 surfaces of outer tube.

When medical personnel carried out the pincers of pathological change tissue and removed, medical personnel aim at pathological change tissue with binding clip 6, medical personnel rotate handle 2 afterwards, handle 2 drives core bar 7 at the rotation in-process and rotates, core bar 7 is 5 circumferential direction with swivel this moment, because the screw thread portion 501 and the support 1 threaded connection of swivel 5, so circumferential direction's swivel 5 drives binding clip 6 rotatory through support 1, when swivel 5 is when rotating, because needle bearing 503's existence, outer tube 3 does not produce the trend of rotating, when binding clip 6 rotatory pathogen place position, accomplish the calibration.

When the forceps are in the removing stage, an operator pulls the handle 2 in the axial direction far away from the outer tube 3, the handle 2 moves outwards, the handle 2 sequentially drives the core bar 7 and the stay wire 8 to move in the same direction, the stay wire 8 drives the connected forceps tail 602 to be bundled after being stressed, and the forceps head 6 integrally manufactured with the forceps tail 602 is closed, so that the effect of removing pathological tissues by forceps is achieved.

Because the cross section of binding clip 6 is oval, forms the ball cage that partly surrounds after binding clip 6 is closed, so at the in-process of retrieving the biopsy forceps, medical personnel keep binding clip 6's closed state, make the sealed encirclement of the pathogen of getting of pincers by binding clip 6, avoid the pathogen to lose, strengthened the accuracy of sample.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Accurate biopsy forceps with scale, its characterized in that: including the support with be used for the handle that grips, be connected with the outer tube that the axial was placed between handle and the support, the outer tube is connected to the one end of support, and the other end of support is connected with mutual articulated binding clip, and the binding clip divide into pincers mouth and pincers tail according to pin joint position, and the pincers tail is opened there is the connecting hole, and the connecting hole in-connection is acted as go-between, and the one end system of acting as go-between is in the connecting hole, and the other end of acting as go-between is connected with and is used for controlling the binding clip to open or closed core bar, the core bar is located inside the outer tube, the outer tube adopts the steel material preparation, and outer tube surface marks the scale, the.

2. The graduated precision biopsy forceps of claim 1, wherein: the joint of the bracket and the outer pipe is provided with a swivel, and the swivel and the bracket are integrally manufactured.

3. The graduated precision biopsy forceps of claim 2, wherein: the swivel comprises an inner surface and an outer surface, the inner surface of the swivel is rotatably connected to the core rod, the outer surface of the swivel comprises a threaded portion and a needle rolling portion, the threaded portion is connected with the support, the needle rolling portion is connected with the outer tube, a circumferential threaded groove is formed in the threaded portion, and a thread tooth in adaptive connection with the threaded groove is formed in the overlapped portion of the support and the swivel.

4. The graduated precision biopsy forceps of claim 3, wherein: the cross section of the needle roller part is I-shaped, the needle roller part comprises planes protruding from two ends and a clamping groove recessed in the middle, the height difference between the planes protruding from the two ends and the clamping groove is H, a needle roller bearing is clamped in the clamping groove, the outer surface of the needle roller bearing is clamped in the outer tube, the inner surface of the needle roller bearing is in clearance fit with the clamping groove, and the thickness of the needle roller bearing is larger than the value of H by 0.1-0.3 cm.

5. The graduated precision biopsy forceps of claim 1, wherein: the cross section of the binding clip is oval, and a semi-enclosed ball cage is formed after the binding clip is closed.

6. Precision graduated biopsy forceps according to any one of claims 1-5, characterized in that: the scale is the circumference circle that encircles the outer tube surface, and carries out the first and thicken when the division value that the scale corresponds is 5 multiples, carries out the second and thickens when the division value that the scale corresponds is 10 multiples.