CN109124696B - Detachable sample collector assembly and biopsy rotary cutting device - Google Patents
Detachable sample collector assembly and biopsy rotary cutting device Download PDFInfo
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- CN109124696B CN109124696B CN201811206442.6A CN201811206442A CN109124696B CN 109124696 B CN109124696 B CN 109124696B CN 201811206442 A CN201811206442 A CN 201811206442A CN 109124696 B CN109124696 B CN 109124696B
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- 238000001574 biopsy Methods 0.000 title claims description 14
- 239000004744 fabric Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 30
- 238000011010 flushing procedure Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000012466 permeate Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 claims description 2
- 210000004369 blood Anatomy 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims 6
- 230000013011 mating Effects 0.000 claims 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 14
- 210000000481 breast Anatomy 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000009755 vacuum infusion Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
- A61B10/0283—Pointed or sharp biopsy instruments with vacuum aspiration, e.g. caused by retractable plunger or by connected syringe
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a detachable collection appearance ware subassembly, includes collection appearance ware body, interior screen cloth, end cover and fixing base, still includes: the sample collector body and the fixing seat form a first coaxial matching device which is coaxially matched with each other, and the first coaxial matching device is used for rapidly disassembling, assembling and axially rapidly disassembling the sample collector body and the fixing seat along the axial direction. The sample collector body that first coaxial cooperation device and axial quick detach device can be realized is assembled along coaxial direction cooperation with the fixing base, can reach quick dismantlement and the efficiency of assembly. The inner screen and the end cover can form coaxial fit through the second coaxial fit device and the second circumferential limit device and limit the inner screen and the end cover to rotate along the circumferential direction, so that axial butt joint is quickly carried out, and quick assembly is facilitated. The sample collector body, the fixing seat, the inner screen and the end cover can be assembled in a rapid orientation mode, and the sample collector is convenient to assemble and disassemble rapidly by pressing. The sample collector body has the characteristic of large capacity, and can cut out as much tissue as possible in one operation.
Description
Technical Field
The invention relates to the field of medical treatment, in particular to a biopsy rotary cutting device.
Background
The biopsy rotary cutting device is widely used in minimally invasive surgery puncture operation, firstly, the puncture tool bit can ensure that the operation wound is small, no needle is needed, the biopsy rotary cutting device can meet the requirements of diagnosis and treatment, and can ensure the appearance beauty, in particular to the advantages of small wound surface, healing, small left knife scar, small damage, quick recovery and the like of some breasts or faces, so that the biopsy rotary cutting device is more popular with most women. Vacuum infusion assisted breast sample biopsy and rotary cutting are one of the most effective modes currently used for breast biopsy operation, and repeated cutting is required to be carried out on a suspicious lesion of a breast so as to obtain a histological specimen of enough breast, thereby facilitating early detection and diagnosis of breast cancer and simultaneously carrying out minimally invasive excision of benign tumors of the breast.
The biopsy rotary-cut device comprises a cutter head component and a sample collector component, wherein the sample collector component is usually arranged at the tail part of the rotary-cut cutter head component and used for accommodating tissues sucked out by a vacuum system therein, a doctor can observe the tissues in the sample collector during or after operation to preliminarily judge pathological changes of tumors or take the resected tissues away for further pathological analysis.
Typically, the hub assembly is easily removable from the tail of the rotary cutting bit assembly. In addition, the sample collector assembly is required to have a certain sealing performance after assembly is completed, and can be matched with a vacuum system to suck out tissues. The current common sample collector assembly is provided with a detachable sample collector of a bard company, and the rest of the product structure is mostly similar to the detachable sample collector.
The existing detachable sample collector assembly mainly has the following problems:
first, the sample collector assembly is required to be assembled to the tail of the rotary cutter, for example, the conventional sample collector assembly can be assembled to the tail of the rotary cutter through a unscrewing joint device without limitation of rotation, which increases the assembly time of doctors and brings risks to surgery.
Secondly, each part of the detachable sample collector assembly needs to be assembled in an oriented way, a doctor can assemble and disassemble for multiple times in the operation process, the assembly time is long, and risks are easily brought to the operation. In addition, in the process of multiple disassembly and assembly, the problem of sealing the sample collector assembly is easy to occur, and how to maintain good sealing performance in the process of multiple disassembly and assembly is also a problem which needs to be solved urgently at present.
And the capacity of the sample collector body in the existing sample collector assembly is smaller, a doctor can cut around the sample collector body as many times as possible after the tumor tissue is resected, so that the resection is ensured to be clean, the sample collector body with small capacity can bring trouble of repeated loading and unloading to the doctor, and the operation time is increased.
Disclosure of Invention
The first object of the present invention is to provide a detachable sample collector assembly, which solves the technical problems that the sample collector assembly needs to be assembled to the tail part of a rotary cutter, the limitation of circumferential rotation is not performed, and the assembling time of doctors is increased.
A second object of the present invention is to provide a removable collector assembly comprising a removable collector assembly.
The utility model provides a detachable collection appearance ware subassembly, includes collection appearance ware body, interior screen cloth, end cover and fixing base, interior screen cloth and end cover embedded in the inner chamber of collection appearance ware body still includes:
first coaxial fitting means: the sample collector body and the fixed seat form coaxial matching arrangement;
axial quick detach device: the sample collector body is used for being rapidly disassembled and assembled with the fixing seat along the axial direction.
The axial quick-release device at least comprises a clamping structure and a quick-release structure, wherein the clamping structure comprises a locking structure arranged on one structure of the sample collector body and the fixing seat and a clamping groove structure arranged on the other structure, the locking structure is clamped in the clamping groove structure under the assembly state, the quick-release structure further comprises an unlocking trigger piece, and the unlocking trigger piece triggers the locking structure to be released from the clamping groove structure under the disassembly state.
The utility model provides a detachable collection appearance ware subassembly, includes collection appearance ware body, interior screen cloth, end cover and fixing base, still includes:
first coaxial fitting means: the sample collector body and the fixed seat form coaxial matching arrangement;
axial quick detach device: the sample collector body is used for being rapidly disassembled and assembled with the fixed seat along the axial direction;
a second coaxial fitting: the inner screen and the end cover are coaxially matched;
second circumferential limit device: the inner screen and the end cover are limited to rotate along the circumferential direction;
in the installation state, the inner screen is axially assembled with the end cover through the second coaxial matching device and the second circumferential limiting device, the inner screen and the end cover are axially embedded and assembled in the inner cavity of the sample collector body, the sample collector body and the fixing seat are axially assembled through the first coaxial matching device, and the locking after the fixed assembly is realized through the axial quick-release device;
under the dismantlement state, dismantle between the part through triggering axial quick detach device after the unblock.
The afterbody of interior screen cloth opening outwards extends and is equipped with the flap, forms sealed cooperation with the interior wall of album appearance ware body afterbody to form an increase space between the flap, in order to guarantee that the sample can not spill over to album appearance ware body bottom, increase capacity again and prevent that the sample from dropping.
Compared with the prior art, the invention has the following advantages:
firstly, the sample collector body which can be realized by the first coaxial matching device and the axial quick-release device is matched and assembled with the fixed seat along the coaxial direction, so that the effects of quick disassembly and assembly can be achieved.
Secondly, under the installation state, the inner screen is axially assembled with the end cover through the second coaxial matching device and the second circumferential limiting device (first assembly), the inner screen and the end cover are axially embedded and assembled in the inner cavity of the sample collector body (second assembly), the sample collector body is axially assembled with the fixing seat through the first coaxial matching device (third assembly), and locking after fixed assembly is realized through the axial quick-release device (fourth assembly). The first assembly, the second assembly and the third assembly can be assembled quickly in a few seconds, and then are assembled and locked quickly in a few seconds through a locking mechanism (comprising the fourth assembly) such as an axial quick-release device, so that the assembly time is extremely quick and safe. In the disassembled state, after the locking mechanism such as the axial quick-release device is unlocked, the disassembly between the parts can be realized within a few seconds. The sample collector body, the fixing seat, the inner screen and the end cover can be assembled in a rapid orientation, and the sample collector can be disassembled and assembled rapidly by pressing, so that the sample collector is very convenient.
Then, the tail of the inner screen opening outwards extends to be provided with the protection wings, sealing fit is formed with the inner wall of the tail of the sample collector body, an increased space is formed between the protection wings, the sample is prevented from overflowing to the bottom of the sample collector body, the capacity of the original sample collector can be increased by 20-30%, and the vacuum tube interface can be prevented from being blocked after soft tissues fall. Therefore, the hub body has a large capacity, and can cut as much tissue as possible in one operation. The sample collector also has a good sealing structure, and can still maintain a good sealing effect after being disassembled for many times.
Finally, the blood-carrying tissue sucked into the sample collector assembly passes through the inner cavity of the sample collector body and is filtered by the inner screen, and reaches the bottom space of the inner screen to form a tissue flow passage; the flushing liquid enters the inner cavity of the sample collector from the flushing port arranged on the sample collector body, flows through the inner screen to filter the blood tissue in the inner screen, permeates into the bottom space of the inner screen, flows out and is recovered through the vacuum tube, and a flushing channel is formed. The flushing channel and the tissue flow channel are designed in such a way that the liquid flows along the tissue and the cavity in the lower part of the inner screen and can be completely separated from the sample.
Drawings
FIG. 1 is an exploded view of an example one of a removable collector assembly;
FIGS. 2, 3, and 4 are respective assembled views of a hub assembly;
FIGS. 5, 6, and 7 are various views of a sample collector body, respectively;
FIG. 8 is a top view of the holder;
FIG. 9 is a side view of the end cap;
FIGS. 10 and 11 are side and top views, respectively, of an inner screen;
fig. 12 is an enlarged view of the portion a.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Example one
Referring to FIG. 1, an exploded view of an example one of a removable hub assembly is shown. A detachable sample collector assembly comprises a sample collector body 1, an inner screen 2, an end cover 4, a fixing seat 6, an end cover sealing device 3 and an end face sealing device 5. The inner screen 2 and end cap 4 may be embedded in the interior cavity 15 of the collector body 1.
For convenience of explanation, the following description will be made with respect to the assembly structure between the sample collector body 1 and the fixing base 6, the assembly structure between the inner screen 2 and the end cover 4, and the assembly structure of the sample collector body 1 and the inner screen 2, respectively.
1. Assembly structure between sample collector body 1 and fixing seat 6
Referring to fig. 1 to 12, the detachable sample collector assembly further includes:
first coaxial fitting means: the sample collector body 1 and the fixed seat 6 form coaxial matching arrangement; axial quick detach device: for rapid disassembly and assembly along the axial direction between the collector body 1 and the fixed seat 6.
The sample collector body 1 which can be realized by the first coaxial matching device and the axial quick-release device is matched and assembled with the fixed seat 6 along the coaxial direction, so that the effects of quick disassembly and assembly can be achieved. In this example, the detachable sample collector assembly may further comprise a first circumferential limiting means for limiting the circumferential rotation of the sample collector body 1 and the fixing seat 6. The first circumferential limiting device and the first coaxial matching device can be integrated into one device as long as the functions are limited, and of course, different components can be respectively arranged to realize the two functions.
The middle part of the sample collector body 1 is provided with an inner cavity, the front end of the inner cavity is provided with a first boss 7, the middle part of the first boss 7 is provided with a through hole, and the through hole is communicated with the inner cavity and is connected with the through hole on the fixed seat 6, so that the tail part of the rotary cutter is communicated with the inner cavity of the sample collector body 1. The tail of the first boss 7 is provided with a step 9. The front end part of the sample collector body 1 is provided with a plurality of fins 10 along the circumferential direction, the fins 10 are wrapped outside the first boss 7, and a positioning groove 16 is arranged between two adjacent fins 10 at the top of the front end of the sample collector body 1. The front end of the collector body 1 is provided on both sides with catches 19, in this example, a pair of catches 19 may be mounted on the outer circumferences of the two symmetrical wings 10, respectively. The front portion of the outer side of the lock catch 19 of the sample collector body 1 is provided with an unlocking pressing piece 22, the middle portion of the inner side of the unlocking pressing piece 22 and the sample collector body 1 are provided with connecting columns 23, and the unlocking pressing piece 22 is separated from the lock catch through the leverage of the connecting columns 23.
The fixing seat 6 is provided with a flange 8 along the circumferential direction at the tail part, a top platform 17 is arranged at the top, a positioning piece 18 with a long strip-shaped bulge is arranged on the upper surface of the top platform 17, one or two guide grooves 20 which are axially arranged along the tail part of the fixing seat can be arranged at the periphery of the flange 8, and a clamping groove 21 which is circumferentially arranged along the outer part of the fixing seat is connected to the guide grooves 20.
The end face sealing device 5 is arranged between the end face of the first boss 7 of the sample collector body 1 and the inner end face of the fixed seat 6, and can play a good sealing role on living tissues between the first boss 7 of the sample collector body 1 and the inner end face of the fixed seat 6.
The first coaxial matching device further comprises a first boss 7 arranged at the front end of the sample collector body 1 and a flange 8 arranged at the tail part of the fixing seat along the circumferential direction, wherein the first boss 7 is embedded into the flange 9 to form coaxial matching with the flange 9.
The axial quick-release device at least comprises a clamping structure and a quick-release structure, wherein the clamping structure comprises a locking structure arranged on one of the sample collector body 1 and the fixing seat 6 and a clamping groove structure arranged on the other structure, the locking structure is clamped in the clamping groove structure in an assembled state, the quick-release structure further comprises an unlocking trigger piece, and the unlocking trigger piece triggers the locking structure to be released from the clamping groove structure in a disassembled state. In this example, the latch structure is disposed on the sample collector body 1, and the slot structure is disposed on the fixing base 6, or of course, the latch structure may be disposed on the fixing base 6, and the slot structure is disposed on the sample collector body. In addition, there are a great number of structures for realizing quick disassembly and assembly in the axial direction, and a lock catch structure and a card slot structure are only one example. In this example, the unlocking trigger piece includes an unlocking pressing piece 22, a connecting column 23 is arranged between the inner side of the unlocking pressing piece 22 and the sample collector body 1, and the unlocking pressing piece 22 triggers the locking structure to be released from the clamping groove structure through the lever action of the connecting column 23. Namely, the lock catches 19 arranged on the two sides of the front end of the sample collector body 1 are clamped into the clamping grooves 21 arranged along the outer circumference of the fixed seat along the tail guide grooves 20 of the fixed seat 6 during assembly. The unlocking pressing piece 22 is arranged at the front part of the outer side of the lock catch of the sample collector body, the connecting column 23 is arranged at the middle part of the unlocking pressing piece and the sample collector body, and the unlocking pressing piece is separated from the lock catch through the leverage of the connecting column.
The circumferential spacing apparatus further includes: the front end of the sample collector body 1 is provided with the fins 10 along the circumferential direction in sequence, the locating slots 16 arranged between two adjacent fins 10 at the front end of the sample collector body and the locating sheets 18 on the upper surface of the platform 17 at the top of the fixed seat, and in the assembled state, the locating sheets 18 slide in the locating slots 16 to guide the sample collector body 1 to be installed and limit the sample collector body 1 to rotate along the circumferential direction with the fixed seat 6. The structure realizes the circumferential limit between the sample collector body 1 and the fixed seat 6, and also realizes the guiding function when the sample collector body 1 is mounted on the fixed seat 6.
The detachable sample collector assembly may further comprise an axial movement limiting device comprising an end portion provided on the flange and a step 9 provided on the tail portion of the first boss 7, wherein the end portion movement position is limited by the step 9 to reach a distance limiting the axial movement of the sample collector body 1.
2. Assembly structure between inner screen 2 and end cover 4
The removable collector assembly may further comprise:
a second coaxial fitting: the inner screen 2 and the end cover 4 are coaxially matched;
second circumferential limit device: to define the rotation of the inner screen 2 and the end cap 4 in the circumferential direction.
The tail of the inner screen 2 is provided with a limiting hole 11, the limiting hole 11 is provided with a notch which is a limiting groove 32, and in the example, the limiting groove 32 is arranged above the limiting hole 11 and is communicated with the limiting hole 11. The front end of the end cover 4 is provided with a second boss 12 matched with the limiting hole 11, and a limiting piece 13 matched with the limiting groove 32 is arranged above the second boss 12. The middle part of the end cap 4 is provided with a groove 14 along the periphery for accommodating the end cap sealing device 3. The middle part of the end cap is provided with a locking structure (such as a spring lock catch, a buckle and the like, which only needs to achieve the effect of preventing the end cap from withdrawing) so as to limit the axial movement of the end cap. The front end of the end cover boss limiting piece 13 is provided with a bevel angle 33 which is convenient to insert into a limiting hole at the tail part of the inner screen 2. An end cap seal is positioned around the end cap, such as in the groove 14.
In this example, the second coaxial matching device further comprises a limiting hole 11 arranged at the tail of the inner screen 2, and a second boss 12 arranged at the front end of the end cover 4, wherein the second boss 12 is sleeved in the limiting hole 11 to realize coaxial matching. The second circumferential limiting device further comprises a limiting piece 13 arranged above the second boss 12 and a limiting groove 32 arranged at a position corresponding to the limiting hole 11, and the limiting piece 13 is clamped in the limiting groove 32 to realize limiting.
3. Assembling structure of sample collector body 1 and inner screen 2
Wings 34 are arranged on two sides of the tail of the inner screen 2 and form sealing fit with the inner wall of the tail of the sample collector body. The sample is ensured not to overflow to the bottom of the sample collector body, the capacity of the original sample collector can be increased by 20-30%, and the vacuum tube interface can be prevented from being blocked after soft tissue falls.
The detachable sample collector assembly can further comprise an inner screen guiding device, the front end of the inner screen is provided with a hollow boss 29, and the hollow boss 29 is convenient to guide and insert into a front hole of the inner cavity of the sample collector body when assembled through the inner screen guiding device. In this example, the inner screen guide is a bevel 30.
4. Description of related Structure of sample collector body
The upper surface of the middle part of the sample collector body 1 is provided with a cylindrical flushing pipe interface 24 clockwise along a circumferential tangent, the top of the tail end of the interface is provided with an oblique angle 25, the flushing pipe is led out, and the outer surface of the sample collector body is provided with a guide groove 26 along the end face of the axis of the flushing pipe interface for limiting the axial movement of the flushing pipe along the sample collector body. The lower surface of the middle part of the sample collector is provided with a curved hole 27, and a bus of the hole is led out backwards along the bottom of the sample collector body and used for penetrating through a flushing pipeline and guiding the flushing pipeline to be backwards connected into a vacuum rotary cutting system. The lower surface of the middle part of the sample collector bottle is provided with a cylindrical vacuum tube interface 28 backwards along the axial direction, and the tail part of the interface is slightly inclined upwards, so that the vacuum tube is ensured not to be washed and fall off. The inner wall of the tail part of the sample collector body is provided with an inclined plane 35, so that the resistance of the end cover sealing ring when the end cover sealing ring is inserted into the inner cavity of the sample collector is reduced, and the sealing between the end cover and the sample collector body is realized.
The working process is described for the above example structure:
during installation, the end cover sealing device 5 is installed in a groove 14 formed in the middle of the end cover along the outer circle, the inner screen 2 is coaxially matched with the second boss 12 at the front end of the end cover 4 through the tail limiting hole 11, limiting is performed through the limiting piece 13 above the boss of the end cover, the inner screen 2 and the end cover 4 are embedded in the inner cavity of the sample collector body 1, and the hollow boss 29 of the inner screen 2 is inserted into the front hole 31 of the inner cavity of the sample collector bottle. The guard wings 34 arranged on two sides of the tail of the inner screen mesh are in sealing fit with the inner wall of the tail of the sample collection bottle, the positioning grooves 16 between two adjacent fins on the top of the front end of the sample collection bottle are in guiding fit with the positioning pieces 18 on the upper surface of the platform 17 on the top of the fixed seat, the boss on the front end of the sample collection bottle is embedded in the flange 8, the fins 10 are externally wrapped on the flange of the sample collector fixed seat, the end face sealing ring is arranged between the end face of the boss on the sample collection bottle and the end face of the fixed seat, the rear end face of the flange is contacted with the tail step 9 of the boss 7, the front end of the sample collection bottle is mounted with the fixed seat, the two sides of the front end of the sample collection bottle are provided with the lock catches 19 along the tail guiding grooves 20 of the fixed seat are blocked into the clamping grooves 21 circumferentially arranged along the outer part of the fixed seat, and the locking structure arranged in the middle of the end cover is locked.
When the detachable sample collector assembly is detached, the unlocking pressing piece is only required to be pressed, and the unlocking pressing piece is separated from the buckle through the leverage of the connecting column, so that the separation of all parts of the detachable sample collector assembly is realized.
The flushing liquid enters the inner cavity of the sample collector from the flushing pipe 24 on the upper surface of the middle part of the sample collector body 1, flows through the inner screen, permeates into the bottom space of the inner screen, flows out to the vacuum pipeline through the vacuum pipe 28 at the lowest part of the space and reaches the recovery container. The blood-carrying tissue sucked from the outer cutter groove flows into the inner cavity of the sample collector body through the inner space of the inner cutter tube, is filtered through the inner screen, reaches the space at the bottom of the inner screen, and flows out to the recovery container through the vacuum tube 28 at the lowest position of the space.
The advantages are that: the liquid flows along the tissue and the cavity under the inner screen, and can be completely separated from the sample.
The biopsy rotary cutting device comprises the detachable sample collector assembly and the tool bit component, wherein the detachable sample collector assembly is arranged at the tail part of the tool bit component, generally, the tail part of the tool bit component is connected with the mounting seat 6, and other components of the biopsy rotary cutting device are existing parts and are not described in detail herein.
Example two
The utility model provides a detachable collection appearance ware subassembly, includes collection appearance ware body, interior screen cloth, end cover and fixing base, still includes:
first coaxial fitting means: the sample collector body and the fixed seat form coaxial matching arrangement;
axial quick detach device: the sample collector body is used for being rapidly disassembled and assembled with the fixed seat along the axial direction;
a second coaxial fitting: the inner screen and the end cover are coaxially matched;
second circumferential limit device: the inner screen and the end cover are limited to rotate along the circumferential direction;
in the installation state, the inner screen is axially assembled with the end cover through the second coaxial matching device and the second circumferential limiting device, the inner screen and the end cover are axially embedded and assembled in the inner cavity of the sample collector body, the sample collector body and the fixing seat are axially assembled through the first coaxial matching device, and the locking after the fixed assembly is realized through the axial quick-release device;
under the dismantlement state, dismantle between the part through triggering axial quick detach device after the unblock.
Under the installed state, the inner screen is axially assembled with the end cover through the second coaxial matching device and the second circumferential limiting device (first assembly), the inner screen and the end cover are axially embedded and assembled in the inner cavity of the sample collector body (second assembly), and the sample collector body is axially assembled with the fixing seat through the first coaxial matching device (third assembly) and locked after fixed assembly (fourth assembly) through the axial quick-release device. The first assembly, the second assembly and the third assembly can be assembled quickly in a few seconds, and then are assembled and locked quickly in a few seconds through a locking mechanism such as an axial quick-release device, so that the assembly time is extremely quick and safe. In the disassembly state, after the axial quick disassembly device and the locking mechanism are respectively unlocked, the disassembly between the parts can be realized within a few seconds. The sample collector body, the fixing seat, the inner screen and the end cover can be assembled in a rapid orientation, and the sample collector can be disassembled and assembled rapidly by pressing, so that the sample collector is very convenient. It should be noted that, the first, second, third and fourth assemblies merely indicate the assembly relationship, and do not limit the assembly sequence.
Example three
The coaxial matching of the first coaxial matching device is realized through the structure similar to the limiting hole 11 between the sample collector body and the fixing seat by the second boss 12, and the coaxial matching can be realized through the structure similar to the flange 8 by the boss 7 between the end cover 4 and the inner screen 2 by just providing a corresponding through hole on the second boss.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (15)
1. The utility model provides a detachable collection appearance ware subassembly, its characterized in that includes fixing base, collection appearance ware body, interior screen cloth, end cover sealing device and end face sealing device, still includes:
first coaxial fitting means: the sample collector body and the fixed seat form coaxial matching arrangement;
the axial quick-disassembly device is used for quickly disassembling and assembling the sample collector body and the fixed seat along the axial direction;
first circumferential limiting device: limiting the sample collector body and the fixing seat to prevent the sample collector body and the fixing seat from rotating relatively along the circumferential direction;
a second coaxial fitting: the inner screen and the end cover are coaxially matched;
second circumferential limit device: the inner screen and the end cover are limited to rotate along the circumferential direction;
the middle part of the sample collector body is provided with an inner cavity, the front end of the inner cavity is provided with a first boss, the middle part of the first boss is provided with a through hole, the through hole is communicated with the inner cavity and is communicated with the through hole formed in the fixing seat, and the end face sealing device is arranged between the end face of the first boss of the sample collector body and the inner end face of the fixing seat;
the middle part of the end cover is provided with a groove for accommodating the end cover sealing device along the periphery, and the end cover sealing device is sleeved in the groove arranged on the periphery of the end cover and is embedded in the inner cavity of the sample collector body in an assembled state;
the tail part of the opening part of the inner screen is provided with a protective wing in an outward extending way, the protective wing is in sealing fit with the inner wall of the tail part of the sample collector body, and an increased space is formed between the protective wings;
in the installation state, the inner screen is axially assembled with the end cover through the second coaxial matching device and the second circumferential limiting device, the inner screen and the end cover are axially embedded and assembled in the inner cavity of the sample collector body, the sample collector body and the fixing seat are axially assembled through the first coaxial matching device, and the locking after the fixed assembly is realized through the axial quick-release device;
in the disassembly state, the axial quick-release device is triggered after unlocking to realize disassembly among the components;
the blood-carrying tissue sucked into the sample collector assembly passes through the inner cavity of the sample collector body and is filtered by the inner screen, and reaches the bottom space of the inner screen to form a tissue flow passage; the flushing liquid enters the inner cavity of the sample collector from the flushing port arranged on the sample collector body, flows through the inner screen to filter the blood tissue in the inner screen, permeates into the bottom space of the inner screen, flows out and is recovered through the vacuum tube, and a flushing channel is formed.
2. The detachable sample collector assembly of claim 1 wherein the axial quick release device comprises at least a snap-in structure and a quick release structure, the snap-in structure comprising a latch structure disposed on one of the sample collector body and the holder and a slot structure disposed on the other of the sample collector body and the holder, the latch structure being snapped into the slot structure in the assembled state, the quick release structure further comprising an unlock trigger that triggers the latch structure to disengage from the slot structure in the disassembled state.
3. The utility model provides a detachable sample collector subassembly, is applied to biopsy rotary-cut device, biopsy rotary-cut device include rotary-cut tool bit part with sample collector subassembly, sample collector subassembly sets up the afterbody of rotary-cut tool bit part is used for accomodating the tissue of vacuum system suction therein, sample collector subassembly can cooperate vacuum system to carry out the suction of tissue, its characterized in that, sample collector subassembly includes sample collector body, interior screen cloth, end cover, fixing base, end cover sealing device and end face sealing device, interior screen cloth and end cover are embedded in the inner chamber of sample collector body, sample collector subassembly still includes:
first coaxial fitting means: the sample collector body and the fixed seat form coaxial matching arrangement;
axial quick detach device: the sample collector body is used for being rapidly disassembled and assembled with the fixed seat along the axial direction;
first circumferential limiting device: limiting the sample collector body and the fixing seat to prevent the sample collector body and the fixing seat from rotating relatively along the circumferential direction;
second circumferential limit device: the inner screen and the end cover are limited to rotate along the circumferential direction;
a second coaxial fitting: the inner screen and the end cover are coaxially matched;
the middle part of the sample collector body is provided with an inner cavity, the front end of the inner cavity is provided with a first boss, the middle part of the first boss is provided with a through hole, the through hole is communicated with the inner cavity and is communicated with a through hole formed in the fixing seat, and the end face sealing device is arranged between the end face of the first boss of the sample collector body and the inner end face of the fixing seat;
the middle part of the end cover is provided with a groove for accommodating the end cover sealing device along the periphery, and the end cover sealing device is sleeved in the groove arranged on the periphery of the end cover and is embedded in the inner cavity of the sample collector body in an assembled state;
the tail of the opening part of the inner screen is provided with a protective wing in an outward extending mode, the protective wing is in sealing fit with the inner wall of the tail of the sample collector body, and an increased space is formed between the protective wings.
4. A removable sample collector assembly as recited in claim 3 wherein the first coaxial engagement means further comprises a first boss disposed at the front end of the sample collector body and a circumferentially disposed flange at the rear of the holder, the first boss being embedded within the flange for coaxial engagement therewith.
5. The detachable sample collector assembly of claim 3 or 4, wherein the axial quick release device comprises at least a clamping structure and a quick release structure, the clamping structure comprises a locking structure arranged on one of the sample collector body and the fixing seat and a clamping groove structure arranged on the other structure, the locking structure is clamped in the clamping groove structure in the assembled state, the quick release structure further comprises an unlocking trigger piece, and the unlocking trigger piece triggers the locking structure to be released from the clamping groove structure in the disassembled state.
6. The removable sample collector assembly of claim 5, wherein the unlocking trigger comprises an unlocking tab, a connecting post is disposed between the inner side of the unlocking tab and the sample collector body, and the unlocking tab triggers the latch structure to release from the slot structure by leverage of the connecting post.
7. The removable hub assembly of claim 3, wherein the circumferential spacing means further comprises: the fin that the appearance ware body front end was established in proper order along circumference, the constant head tank that is equipped with between the two adjacent fins of appearance ware body front end, with fixing base top platform upper surface's spacer, under the assembled state, the spacer slides in order to guide appearance ware body installation and to inject appearance ware body and fixing base circumferential direction.
8. The removable sample collector assembly of claim 4 further comprising an axial movement limiting means comprising an end portion provided on the flange and a step provided on the tail portion of the first boss, the end portion movement position being limited by the step to limit axial movement of the sample collector body.
9. The removable sample collector assembly of claim 3 wherein the second coaxial mating device further comprises a limiting aperture disposed at the tail of the inner screen, a second boss disposed at the front end of the end cap, the second boss being nested in the limiting aperture to achieve coaxial mating.
10. The removable sample collector assembly of claim 9 wherein the second circumferential spacing means comprises a spacing tab disposed above the second boss and a spacing slot disposed in a position corresponding to the spacing hole, the spacing tab being disposed in the spacing slot to limit the sample collector assembly.
11. The removable sample collector assembly of claim 3 further comprising an inner screen guide, the front end of the inner screen being provided with a hollow boss for facilitating guided insertion into the front aperture of the inner chamber of the sample collector body when assembled by the inner screen guide.
12. The removable sample collector assembly of claim 3 or 4 wherein the upper surface of the central portion of the sample collector body is provided with a cylindrical flush tube interface in a clockwise direction along a circumferential tangent, the interface being provided with a bevel at the top of the distal end to facilitate the extraction of the flush tube.
13. A removable sample collector assembly as claimed in claim 3 or claim 4 wherein the outer surface of the collector body is provided with a guide slot along the end face of the flush tube interface axis for limiting axial movement of the flush tube along the collector body.
14. A removable sample collector assembly as claimed in claim 3 or claim 4 wherein the lower surface of the central portion of the collector is provided with a curved aperture, the generatrix of which extends rearwardly along the bottom of the collector body.
15. A biopsy rotational atherectomy device comprising the detachable hub assembly of any one of claims 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206442.6A CN109124696B (en) | 2018-10-16 | 2018-10-16 | Detachable sample collector assembly and biopsy rotary cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206442.6A CN109124696B (en) | 2018-10-16 | 2018-10-16 | Detachable sample collector assembly and biopsy rotary cutting device |
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| CN109124696A CN109124696A (en) | 2019-01-04 |
| CN109124696B true CN109124696B (en) | 2023-11-28 |
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| CN201811206442.6A Active CN109124696B (en) | 2018-10-16 | 2018-10-16 | Detachable sample collector assembly and biopsy rotary cutting device |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791370A1 (en) * | 1996-02-21 | 1997-08-27 | JOHNSON & JOHNSON MEDICAL, INC. | Snap-together integral nose and guard arrangement for a safety catheter |
| JPH1075976A (en) * | 1996-09-02 | 1998-03-24 | Oji Paper Co Ltd | Disposable diaper |
| CN101317758A (en) * | 2007-06-08 | 2008-12-10 | 史密斯医疗Asd公司 | Flow-through fluid reservoir |
| CN201208243Y (en) * | 2008-05-15 | 2009-03-18 | 朱家喜 | Refuse gather |
| CN101856245A (en) * | 2009-04-08 | 2010-10-13 | 伊西康内外科公司 | Surgical access device with removable and replaceable components |
| CN201920865U (en) * | 2010-12-31 | 2011-08-10 | 张永金 | Detachable handle of rotary uterus cutter for gynaecology |
| CN203483455U (en) * | 2013-09-05 | 2014-03-19 | 上海导向医疗系统有限公司 | Sample collecting device of breast biopsy mammotome system |
| CN203619597U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Swivel feeding system with single shaft linkage |
| CN104758019A (en) * | 2014-01-07 | 2015-07-08 | 柯惠Lp公司 | Shipping member for loading unit |
| CN105358957A (en) * | 2013-06-19 | 2016-02-24 | 布莱特维克公司 | Cell collecting device |
| CN105796135A (en) * | 2016-03-03 | 2016-07-27 | 上海导向医疗系统有限公司 | Vacuum-assisted mammary gland sample biopsy and rotary cutting system |
| CN107049402A (en) * | 2017-05-16 | 2017-08-18 | 上海博洽医疗器械有限公司 | The Quick assembling-disassembling structure of the execution head of surgery circular staplers |
| CN107811664A (en) * | 2016-09-14 | 2018-03-20 | 上海执中医疗技术有限公司 | Tissue closing device and tissue closure system |
| CN108143525A (en) * | 2017-11-17 | 2018-06-12 | 上海利格泰生物科技有限公司 | Oversleeve |
| CN207943538U (en) * | 2018-03-15 | 2018-10-09 | 蔡淑惠 | A kind of novel furniture timber conveying device |
| CN209611194U (en) * | 2018-10-16 | 2019-11-12 | 上海导向医疗系统有限公司 | A kind of detachable sample collecting device component and biopsy rotary cutting apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2865190B1 (en) * | 2004-01-15 | 2006-03-10 | Nicolas Bara | DEVICE FOR SECURING TUBES |
| US20070299459A1 (en) * | 2006-06-26 | 2007-12-27 | X-Sten Corp. | Percutaneous Tissue Access Device |
| US9345457B2 (en) * | 2006-12-13 | 2016-05-24 | Devicor Medical Products, Inc. | Presentation of biopsy sample by biopsy device |
| US8043316B2 (en) * | 2008-05-02 | 2011-10-25 | Suros Surgical Systems, Inc. | Adjustable spacer |
| US8845546B2 (en) * | 2010-02-18 | 2014-09-30 | Devicor Medical Products, Inc. | Biopsy device tissue sample holder with flow restriction device |
| EP2986229A4 (en) * | 2013-04-16 | 2016-09-28 | Transmed7 Llc | Methods, devices and therapeutic platform for automated, selectable, soft tissue resection |
-
2018
- 2018-10-16 CN CN201811206442.6A patent/CN109124696B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0791370A1 (en) * | 1996-02-21 | 1997-08-27 | JOHNSON & JOHNSON MEDICAL, INC. | Snap-together integral nose and guard arrangement for a safety catheter |
| JPH1075976A (en) * | 1996-09-02 | 1998-03-24 | Oji Paper Co Ltd | Disposable diaper |
| CN101317758A (en) * | 2007-06-08 | 2008-12-10 | 史密斯医疗Asd公司 | Flow-through fluid reservoir |
| CN201208243Y (en) * | 2008-05-15 | 2009-03-18 | 朱家喜 | Refuse gather |
| CN101856245A (en) * | 2009-04-08 | 2010-10-13 | 伊西康内外科公司 | Surgical access device with removable and replaceable components |
| CN201920865U (en) * | 2010-12-31 | 2011-08-10 | 张永金 | Detachable handle of rotary uterus cutter for gynaecology |
| CN105358957A (en) * | 2013-06-19 | 2016-02-24 | 布莱特维克公司 | Cell collecting device |
| CN203483455U (en) * | 2013-09-05 | 2014-03-19 | 上海导向医疗系统有限公司 | Sample collecting device of breast biopsy mammotome system |
| CN203619597U (en) * | 2013-10-30 | 2014-06-04 | 上海导向医疗系统有限公司 | Swivel feeding system with single shaft linkage |
| CN104758019A (en) * | 2014-01-07 | 2015-07-08 | 柯惠Lp公司 | Shipping member for loading unit |
| CN105796135A (en) * | 2016-03-03 | 2016-07-27 | 上海导向医疗系统有限公司 | Vacuum-assisted mammary gland sample biopsy and rotary cutting system |
| CN107811664A (en) * | 2016-09-14 | 2018-03-20 | 上海执中医疗技术有限公司 | Tissue closing device and tissue closure system |
| CN107049402A (en) * | 2017-05-16 | 2017-08-18 | 上海博洽医疗器械有限公司 | The Quick assembling-disassembling structure of the execution head of surgery circular staplers |
| CN108143525A (en) * | 2017-11-17 | 2018-06-12 | 上海利格泰生物科技有限公司 | Oversleeve |
| CN207943538U (en) * | 2018-03-15 | 2018-10-09 | 蔡淑惠 | A kind of novel furniture timber conveying device |
| CN209611194U (en) * | 2018-10-16 | 2019-11-12 | 上海导向医疗系统有限公司 | A kind of detachable sample collecting device component and biopsy rotary cutting apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109124696A (en) | 2019-01-04 |
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