CN210931557U - Biopsy forceps with limiting spoon - Google Patents

Abstract

The utility model relates to a biopsy forceps with a limiting scoop, which comprises a handle component, an elastic component, a limiting scoop part and a binding clip component, wherein one end of the elastic component is fixedly connected with one end of the handle component, the other end is fixedly connected with the binding clip component, and the limiting scoop part is buckled on the elastic component; the limiting spoon scooping part is a clamping buckle and comprises a clamping buckle part and a sharp head part, wherein the clamping buckle part and the clamping buckle part are buckled with each other and are contracted along the radian direction of the spring pipe. The utility model relates to a rationally, compact structure, convenient to use uses with the endoscope cooperation, and the pincers that are clinically applicable to the tissue sample get and the picking of fritter polyp. After the tissue is taken smoothly, the tissue is picked out from the forceps cup and placed into a utensil for detection without operating a utensil with similar spoons, so that the shortage of the spoons in hospitals is avoided, and meanwhile, the tissue to be detected is prevented from being infected, and the interference is brought to the detection.

Description

Biopsy forceps with limiting spoon

Technical Field

The utility model belongs to the field of surgical medical instruments, concretely relates to take spacing spoon biopsy forceps.

Technical Field

"biopsy" is an abbreviation for biopsy, also called surgical pathology, and called "external examination"; this refers to a technique for taking out a diseased tissue from a patient by incision, forceps, puncture, or the like, and performing pathological examination, as required for diagnosis and treatment. Biopsy forceps are indispensable tools for taking pathological samples in endoscopy, and if contaminated biopsy forceps are used for operation and sample taking, infection can occur.

In the clinical operation, after the biopsy forceps enter the endoscope channel, the working length of the biopsy forceps produced by manufacturers is larger than the actual clinical requirement due to different specific conditions of each patient, so that medical workers can easily penetrate the biopsy forceps through a long distance directly from the opening of the endoscope channel due to the inertia of the operation in the process of penetrating the biopsy forceps, and the normal tissues of the patient can be easily accidentally injured. A biopsy forceps of Boston scientific and technical company in America is provided with printed scales on a spring tube of the biopsy forceps, which can prompt the inserting distance of the biopsy forceps of an operator, but the misoperation is difficult to avoid in the process of quickly inserting the biopsy forceps by the operator.

In the clinical use process of biopsy forceps, after tissues are successfully taken, operators need to take some instruments similar to spoons from forceps cups to pick the tissues out of the forceps cups and put the tissues into vessels for detection. Because of the uncertainty of the number of operations and the related problems of the hospital supply chain, hospital spooning tools often have insufficient supply, which causes troubles to the clinic. Meanwhile, if the hospital self-contained spoon is reusable, the tissue to be detected can be infected under the condition that the spoon is not sterilized effectively, and interference is brought to detection.

Disclosure of Invention

The utility model aims at the aforesaid weak point provide a take spacing spoon biopsy forceps, convenient to use uses with the endoscope cooperation, and the pincers that are clinically applicable to the tissue sample get and the picking of fritter polyp, do not need the utensil of operator's self-contained similar spoon to choose the tissue from the pincers cup and put into household utensils, prevent that the tissue sample from polluting.

A biopsy forceps with a limiting spoon is realized by adopting the following technical scheme:

a biopsy forceps with a limiting scoop comprises a handle assembly, an elastic assembly, a limiting scoop part and a forceps head assembly, wherein one end of the elastic assembly is fixedly connected with one end of the handle assembly, the other end of the elastic assembly is fixedly connected with the forceps head assembly, and the limiting scoop part is buckled on the elastic assembly; the handle assembly comprises a core rod and a sliding handle sleeved on the core rod; the elastic component comprises a steel wire and a spring tube sleeved outside the steel wire, the core bar is of a hollow structure, one end of the core bar, which is far away from the sliding handle, is provided with an opening, the core bar is sleeved at one end of the spring tube and is fixedly connected with the spring tube, and the steel wire penetrates from the hollow open end of the core bar to the sliding handle along the hollow position and is movably connected with the sliding handle; the binding clip assembly comprises a cup seat, a forceps cup and a pin, the forceps cup is fixed on the cup seat and is far away from one end of the elastic assembly, the pin enables the forceps cup to move, the connecting piece is connected with the forceps cup and the push-pull rod, the push-pull rod is connected with the steel wire, and the cup seat is fixedly connected with the spring pipe; spacing spoon part of drawing is installed on the spring pipe periphery, spacing spoon part of drawing is the clip, and the clip portion that include mutual lock contract along the spring pipe radian direction and become sharp head portion that forms.

Furthermore, the limiting scoop-drawing part comprises a first clamping part, a second clamping part and a handheld part, wherein the first clamping part and the second clamping part are mutually buckled to form an arc groove, the handheld part controls the first clamping part and the second clamping part to be fastened or unfolded, the first clamping part and the second clamping part of the limiting part are embraced at the periphery of the spring tube, and force can be applied to the handheld part to enlarge the distance between the first clamping part and the second clamping part and separate from the periphery of the spring tube.

Furthermore, after the limiting scoop component is separated from the spring tube, the tissue taken out of the forceps cup can be peeled by holding the hand-held part by the sharp head part.

Furthermore, the periphery of the spring tube is movably fixed with a limiting spoon part in the length direction, and the widest part of the limiting spoon part is larger than the width of the opening of the endoscopic forceps.

Further, the tip portion of the limiting spoon unit can be designed into various forms, such as diamond, rectangle, square and trapezoid, and the direction of the tip portion can be aligned with the forceps head assembly or aligned with the handle assembly.

Furthermore, the limiting scoop component is arranged into a whole, and can also be arranged into a split type.

Furthermore, the forceps cup is composed of two metal forceps cups which are oppositely arranged, each metal forceps cup is provided with a space capable of containing a tissue sample, and the two metal forceps cups are hinged with the cup base through pins.

Furthermore, the tong head assembly further comprises two connecting sheets for connecting the tong cup and the push-pull rod, one end of each connecting sheet is connected with the tong cup, and the other end of each connecting sheet is connected with the push-pull rod; the other end of the push-pull rod is connected with one end of the steel wire, which is far away from the core bar, and the other end of the push-pull rod is hinged with the connecting sheet; meanwhile, the two connecting sheets are respectively hinged with the two metal pliers cups; the spring tube is sleeved outside the steel wire, and one end of the spring tube, which is far away from the core bar, is welded with the cup base.

A biopsy forceps with a limiting spoon is characterized in that:

the utility model provides a take spacing spoon biopsy forceps when using clinically, at first adjusts the upper and lower position of stop part on the spring pipe, and the operator gets into the endoscope from patient's oral area through the alimentary canal and waits to examine the region, then inserts a take spacing spoon biopsy forceps from internal diameter vice way mouth, until meetting limit structure, then adjusts stop part, and the hand will slide the handle taut with the hand in the insertion process, keeps the pincers cup to be the closure state, prevents to damage vice way. After a forceps head assembly of the biopsy forceps comes out of an endoscope forceps channel, a sliding handle is pushed, a forceps cup is opened to aim at target tissues, the endoscope and the biopsy forceps are controlled to enable the biopsy forceps to bite mucosa tissues in a region to be detected, tissue samples or small polyps are placed into the forceps cup to be directly taken out after an operation is completed, then the forceps cup is taken out of the endoscope forceps channel in a closed state, and the mucosa tissues can be detected.

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:

1. a biopsy forceps with a limiting scoop comprises a handle assembly, an elastic assembly, a limiting scoop part and a forceps head assembly, wherein one end of the elastic assembly is fixedly connected with one end of the handle assembly, the other end of the elastic assembly is fixedly connected with the forceps head assembly, and the limiting scoop part is buckled on the elastic assembly; the limiting scoop part is a clamping buckle and comprises a clamping buckle part and a sharp head part formed by contracting the clamping buckle part along the radian direction of the spring tube, wherein the clamping buckle part is mutually buckled with the clamping buckle part; the utility model relates to a rationally, compact structure, convenient to use uses with the endoscope cooperation, and the pincers that are clinically applicable to the tissue sample get and the picking of fritter polyp. After the tissues are taken out smoothly, instruments which are similar to spoons do not need to be operated to pick the tissues out of the forceps cups and put the tissues into the instruments for detection, so that the shortage of the spoons in hospitals is avoided, and the trouble of clinic is avoided. This spacing spoon part is disposable, prevents to infect the tissue of waiting to examine, brings the interference for detecting.

2. The utility model discloses in the periphery of spring pipe is portable to be fixed at spacing part on its length direction, and spacing part's widest department is greater than the width of scope pincers road junction. The widest position is larger than the width of the opening of the endoscope forceps, the limiting component can be moved to a proper length according to the operation requirement, and the biopsy forceps can be inserted into the limiting component slowly only after being moved. Therefore, an operator can be relieved to insert the biopsy forceps into the endoscope forceps channel quickly, so that the biopsy forceps are prevented from coming out of the endoscope forceps channel suddenly and causing accidental injury to tissues of patients, the patients are protected effectively, and misoperation is prevented.

3. The two forceps cups are metal and can cut tissues, so that the biopsy forceps can finish tissue cutting and biopsy sample sampling, the operation time is shortened, and the pain of a patient is reduced.

4. The utility model discloses take spacing spoon biopsy forceps of area, owing to go up the spacing spoon part of drawing out and use with the endoscope cooperation at the spring pipe installation, make the swift convenient pincers that are applicable to the tissue sample clinically get and the picking of fritter polyp, get the tissue back smoothly, do not need the utensil that operating personnel took out the spoon from some similarities to choose the tissue sample from the pincers cup and put into in the household utensils with the detection, accelerate the pincers to get the tissue sample time, reduce the contaminated probability of tissue sample, can also play spacing effect simultaneously.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of a biopsy forceps with a limiting scoop;

FIG. 2 is a cross-sectional view of a biopsy forceps configuration with a limiting scoop;

FIG. 3 is a perspective view of a biopsy forceps with a limiting scoop;

FIG. 4 is an enlarged partial perspective view at K of FIG. 3;

FIG. 5 is a schematic view of a limiting scoop section of a biopsy forceps with a limiting scoop;

FIG. 6 is a schematic structural view of a forceps head assembly of a biopsy forceps with a limiting scoop;

FIG. 7 is an open perspective view of a jaw assembly of a biopsy forceps with a limit scoop.

The reference numbers in the figures are: 11. the handle assembly 21, the elastic assembly 31, the limiting scoop component 41 and the forceps head assembly; 111. a sliding handle, 112, a core rod, 211, a spring tube, 212 and a steel wire; 311. a first clip portion 312, a second clip portion 313, a tip portion; 411. a forceps cup 412, a cup seat 413, a pin 414, a connecting sheet 415 and a push-pull rod.

Detailed Description

Referring to fig. 1-7, a biopsy forceps with a limiting scoop includes a handle assembly 11, a resilient assembly 21, a limiting scoop member 31, and a jaw assembly 41. One end of the elastic component 21 is fixedly connected with one end of the handle component 11, the other end of the elastic component is fixedly connected with the forceps head component 41, and the limiting scoop component 31 is buckled on the elastic component 21.

The handle assembly 11 is composed of a core bar 112 and a sliding handle 111 sleeved on the core bar, the core bar 112 has a hollow structure with a port, the sliding handle 111 is also a hollow structure, a clamping groove is arranged inside the core bar 112, a corresponding buckle is arranged inside the sliding handle, and the sliding handle 111 is fixed on the core bar 112 in a sliding manner by the core bar 112 and the sliding handle 11 through the clamping groove and the buckle.

The elastic assembly 21 is composed of an outer spring tube 211 and an inner steel wire 212, the hollow opening of one end of the core bar 112 far away from the sliding handle 111 extends along the opening to the corresponding position sleeved by the sliding handle 111, the core bar 111 is sleeved at one end of the spring tube 211 and fixed together by welding, and the steel wire 212 passes through the hollow opening of the core bar 112 along the hollow position to the sliding handle 111 and is movably connected with the sliding handle 111.

Referring to fig. 6 and 7, the forceps head assembly 41 includes a cup base 412, a forceps cup 411 fixed on the cup base at an end far away from the elastic assembly, and a pin 413 for moving the forceps cup, wherein the forceps cup 411 is composed of two metal forceps cups arranged oppositely, each metal forceps cup is provided with a space capable of accommodating a tissue sample, and the two metal forceps cups are hinged to the cup base 412 through the pin 413. The forceps head assembly 41 further comprises two connecting pieces 414 for connecting the forceps cup 411 and the push-pull rod 415, wherein one end of the connecting piece 414 is connected with the forceps cup 411, and the other end is connected with the push-pull rod 415. The other end of the push-pull rod 415 is connected with one end of the steel wire 212 far away from the core rod 112, and the other end is hinged with the connecting piece 414; meanwhile, the two connecting pieces 414 are respectively connected with the two metal forceps cups 411; the spring tube 211 is sleeved outside the steel wire 212, and one end of the spring tube 211, which is far away from the core bar 112, is welded with the cup holder 412. The two forceps cups are metal and can cut tissues, so that the biopsy forceps can finish tissue cutting and biopsy sample sampling, the operation time is shortened, and the pain of a patient is reduced.

Referring to fig. 4-5, the limiting scooping part 31 is fastened and installed on the outer periphery of the spring tube 211, the limiting scooping part 31 is a clip, the limiting scooping part 31 includes a first clip part 311 and a second clip part 312 which are fastened to each other to form an arc slot, a tip part 313 formed by shrinking the clip part of the second clip part 312 along the arc direction of the spring tube, and a hand-held part controlling the first clip part 311 and the second clip part 312 to be fastened or opened, the first clip part 311 and the second clip part 312 of the limiting part are clasped on the outer periphery of the spring tube 21, and the force can be applied to the hand-held part to expand the distance between the first clip part 311 and the second clip part 312 to be separated from the outer periphery of the spring tube 211. After the limiting scooping part 31 is separated from the spring tube 211, the tissue taken out of the forceps cup can be peeled by holding the hand-held part with the tip part 313. After the tissue is successfully removed, no spoons need to be handled to pick the tissue out of the forceps cup 411 and into a vessel for testing. Avoid the spoon utensil supply of hospital not enough, avoid causing the puzzlement for clinical. This spacing spoon part 31 is disposable, prevents that the hospital from having the spoon if repeatedly usable, under the condition that the spoon does not effectively disinfect, also can infect the tissue of waiting to examine, brings the interference for the detection. Even if the hospital-owned scoop is used for sterilization, the sterilization burden of the hospital is increased.

Preferably, the spring tube 211 is fixed to the position-limiting member 31 so that the outer circumference thereof can move in the longitudinal direction, and the widest part of the position-limiting member 31 is larger than the width of the endoscopic forceps opening. The widest part is larger than the width of an endoscopic forceps opening, the limiting component 31 can be moved to a proper length according to the operation requirement, and the biopsy forceps can be inserted slowly only after being inserted into the limiting component 31 and moving the limiting component 31. Therefore, an operator can be relieved to insert the biopsy forceps into the endoscope forceps channel quickly, so that the biopsy forceps are prevented from coming out of the endoscope forceps channel suddenly and causing accidental injury to tissues of patients, the patients are protected effectively, and misoperation is prevented.

Preferably, in the biopsy forceps with the limiting scoop, the pointed portion of the limiting scoop member 31 can be designed in various forms, such as diamond, rectangle, square, trapezoid, etc., but not limited to, and can be oriented to align with the forceps head assembly 41 or the handle assembly 11.

Preferably, in the biopsy forceps with the limiting scoop, the limiting scoop part 31 may be arranged in an integral manner or in a split manner.

A biopsy forceps with a limiting spoon is characterized in that:

the utility model provides a take spacing spoon biopsy forceps when using clinically, at first adjusts the upper and lower position of spacing part 21 on spring pipe 211, and the operator gets into the examination region with the endoscope from patient's oral area through the alimentary canal, then inserts a take spacing spoon biopsy forceps from internal diameter vice way mouth, until meetting limit structure 31, then adjusts spacing part 31, and the hand will slide handle 111 taut with the hand in the insertion process, keeps forceps cup 411 to be the closure state, prevents to damage vice way. After the forceps head assembly of the biopsy forceps comes out of the endoscopic forceps channel, the sliding handle 111 is pushed, the forceps cup 411 is opened to aim at target tissues, the endoscope and the biopsy forceps are controlled to enable the biopsy forceps to bite mucosa tissues in an area to be detected, tissue samples or small polyps are placed into the forceps cup 411 to be directly taken out after an operation is completed, then the forceps cup 411 is taken out of the endoscopic forceps channel in a closed state, and the mucosa tissues can be detected.

The biopsy forceps with the limiting spoon is reasonable in design, compact in structure, convenient to use, and suitable for being used with an endoscope in a matched mode, and is clinically applicable to forceps taking of tissue samples and picking of small polyps. Because the upper limiting scoop part 31 arranged on the spring tube 211 is matched with the endoscope for use, the device is suitable for quickly and conveniently clamping tissue samples and picking small polyps clinically, after the tissues are smoothly taken, operators do not need to pick the tissue samples out of the forceps cup 411 by using instruments similar to scoops for detection, the time for clamping the tissue samples is shortened, and the probability of pollution of the tissue samples is reduced. Meanwhile, the operator can insert the biopsy forceps quickly and cannot operate mistakenly due to the limiting part 31.

Furthermore, the widest part of the limiting component is larger than the width of the opening of the endoscopic forceps, so that the limiting component 31 can be moved to a proper length according to the operation requirement, and the limiting component 31 can be inserted into the limiting component 31 only by moving the limiting component 31, and then the slow insertion can be continued. Can let operating personnel reassure insert the biopsy forceps fast endoscope pincers way in to avoid the biopsy forceps to come out from the endoscope pincers mouth suddenly, cause the accidental injury to patient's tissue, effectively protect patient, prevent the maloperation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A biopsy forceps with a limiting scoop comprises a handle assembly, an elastic assembly, a limiting scoop part and a forceps head assembly, and is characterized in that one end of the elastic assembly is fixedly connected with one end of the handle assembly, the other end of the elastic assembly is fixedly connected with the forceps head assembly, and the limiting scoop part is buckled on the elastic assembly;

the handle assembly comprises a core rod and a sliding handle sleeved on the core rod;

the elastic component comprises a steel wire and a spring tube sleeved outside the steel wire, the core bar is of a hollow structure, one end of the core bar, which is far away from the sliding handle, is provided with an opening, the core bar is sleeved at one end of the spring tube and is fixedly connected with the spring tube, and the steel wire penetrates from the hollow open end of the core bar to the sliding handle along the hollow position and is movably connected with the sliding handle;

the binding clip assembly comprises a cup seat, a forceps cup and a pin, the forceps cup is fixed on the cup seat and is far away from one end of the elastic assembly, the pin enables the forceps cup to move, the connecting piece is connected with the forceps cup and the push-pull rod, the push-pull rod is connected with the steel wire, and the cup seat is fixedly connected with the spring pipe;

spacing spoon part of drawing is installed on the spring pipe periphery, spacing spoon part of drawing is the clip, and the clip portion that include mutual lock contract along the spring pipe radian direction and become sharp head portion that forms.

2. The biopsy forceps with the limiting scoop according to claim 1, wherein the limiting scoop part comprises a first clamping portion, a second clamping portion and a hand-held portion, the first clamping portion and the second clamping portion are buckled with each other to form an arc groove, the hand-held portion controls the first clamping portion and the second clamping portion to be buckled or unfolded, the first clamping portion and the second clamping portion of the limiting part are clasped to the periphery of the spring tube, and force can be applied to the hand-held portion to expand the distance between the first clamping portion and the second clamping portion to be separated from the periphery of the spring tube.

3. The biopsy forceps with the limiting scoop according to claim 2, wherein the tissue removed from the forceps cup can be peeled with the tip portion by holding the handle portion with a hand after the limiting scoop section and the spring tube are separated.

4. The biopsy forceps with the limiting scoop according to claim 1, wherein the spring tube is movably fixed with a limiting scoop component at the periphery in the length direction, and the widest part of the limiting scoop component is larger than the width of the opening of the endoscopic forceps.

5. The biopsy forceps with the limiting scoop according to any one of claims 1 to 4, wherein the pointed portion of the limiting scoop section is designed in various forms, diamond, rectangle, square, trapezoid, with the direction thereof aligned with the forceps head assembly or aligned with the handle assembly.

6. The biopsy forceps with the limiting scoop according to any one of claims 1 to 4, wherein the limiting scoop part is provided in an integral type, and can also be provided in a split type.

7. The biopsy forceps with the limiting scoop according to claim 1, wherein the forceps cup is composed of two metal forceps cups arranged oppositely, each metal forceps cup defines a space for containing a tissue sample, and the two metal forceps cups are hinged to the cup holder through pins.

8. The biopsy forceps with the limiting scoop according to claim 7, wherein the forceps head assembly further comprises two connecting pieces for connecting the forceps cup and the push-pull rod, one end of the connecting piece is connected with the forceps cup, and the other end of the connecting piece is connected with the push-pull rod; the other end of the push-pull rod is connected with one end of the steel wire, which is far away from the core bar, and the other end of the push-pull rod is hinged with the connecting sheet; meanwhile, the two connecting sheets are respectively hinged with the two metal pliers cups; the spring tube is sleeved outside the steel wire, and one end of the spring tube, which is far away from the core bar, is welded with the cup base.

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