CN215017986U - Sampling capsule and sampling capsule system - Google Patents
Sampling capsule and sampling capsule system Download PDFInfo
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- CN215017986U CN215017986U CN202120814976.8U CN202120814976U CN215017986U CN 215017986 U CN215017986 U CN 215017986U CN 202120814976 U CN202120814976 U CN 202120814976U CN 215017986 U CN215017986 U CN 215017986U
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Abstract
The utility model provides a sampling capsule and a sampling capsule system, wherein the sampling capsule comprises a shell; the baffle is fixed in the shell, the baffle and the shell positioned on the first side of the baffle are arranged in a surrounding manner to form a sampling pool, and a communication port is formed in the baffle; the sampling assembly comprises an outer sampling port arranged on the shell positioned on the second side of the partition plate, a sampling channel communicated with the outer sampling port and the sampling pool through a communication port, a sealing element matched with one end of the sampling channel facing into the sampling pool, a first cantilever connecting the sealing element to the partition plate, a locking member used for enabling one end, opposite to the first cantilever, of the sealing element to be in a locking state, and an unlocking member used for enabling one end, opposite to the first cantilever, of the sealing element to be in a free state; before sampling, the pulling force that locking member bore is less, further reduces the intensity requirement to locking member, strengthens the stability and the reliability of sampling capsule, and simple structure, save space.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a sampling capsule and sampling capsule system.
Background
The sampling capsule is an effective device for diagnosing digestive tract diseases due to high reliability and high safety, and is highly approved by the field of international medical appliances. Chinese patent No. CN211534523U discloses a sampling capsule and sampling capsule system, the sampling capsule includes shell, sampling subassembly, the sampling subassembly is including locating sampling pond in the shell, set up in outer sampling mouth, intercommunication on the shell outer sampling mouth with the communicating pipe of sampling pond, open or close the sampling switch of communicating pipe, the sampling switch is piezoelectricity microvalve, shape memory metal microvalve, trachea clamp etc. before the sampling, the sampling pond is vacuum, the sampling switch need bear the pressure that the pressure difference produced inside and outside the sampling pond, only when needing the sampling switch just opens, consequently, to sampling switch's stability, leakproofness have higher requirement.
In view of the above, there is a need for an improved sampling capsule and sampling capsule system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sampling capsule and sampling capsule system.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a sampling capsule, comprising:
a housing;
the partition plate is fixed in the shell, the partition plate and the shell positioned on the first side of the partition plate are arranged in an enclosing mode to form a sampling pool, and a communication opening is formed in the partition plate;
the sampling assembly comprises an outer sampling port arranged on the shell and positioned on the second side of the partition plate, a communicating port communicated with the outer sampling port, a sampling channel of the sampling pool, a sealing piece which faces towards one end in the sampling pool and is matched with the end in the sampling pool, a first cantilever connected to the sealing piece on the partition plate, a locking component used for enabling one end, opposite to the first cantilever, of the sealing piece to be in a locking state, and an unlocking component used for enabling one end, opposite to the first cantilever, of the sealing piece to be in a free state.
As a further improved technical solution of the present invention, the locking member includes a second cantilever connected to an end of the sealing member opposite to the first cantilever, and a locking member provided on the first side or the second side of the partition and locked with the second cantilever; the unlocking member includes a heating element disposed adjacent to the locking element.
As a further improved technical proposal of the utility model, the locking piece is arranged at the first side of the clapboard; the second cantilever is L-shaped and comprises a locking section parallel to the partition plate, and the locking piece is provided with a clamping groove for inserting the locking section.
As a further improved technical scheme of the utility model, the locking piece is horizontal eta type.
As a further improved technical solution of the present invention, the partition board has a circuit board portion, and the heating element is connected to the partition board and electrically connected to the circuit board portion; the locking member is secured to the heating member.
As a further improved technical scheme of the utility model, the locking piece is a hook arranged at the second side of the clapboard, and the second cantilever is a suspension wire matched with the hook; the partition plate is provided with a through hole for the second cantilever to pass through and a first soft plug matched with the through hole.
As the utility model discloses further modified technical scheme, the locking member is still including being fixed in fixed plate on the sampling passageway, the locking piece is fixed in on the fixed plate, the heating member is fixed in on the fixed plate and paste and lean on in on the locking piece.
As a further improved technical scheme of the utility model, the sealing element comprises a hard plate and a sealing plug fixed on the hard plate at a position corresponding to one end of the sampling channel facing the sampling pool; the first cantilever and the locking member are both connected to the hard plate.
As a further improved technical scheme of the utility model, the sealing plug have with the sampling channel orientation one end matched with arch in the sampling pond.
In order to realize the purpose of the utility model, the invention also provides a sampling capsule system, which comprises the sampling capsule and an external processing terminal matched with the sampling capsule.
The utility model has the advantages that: the utility model provides a sampling capsule, before the sampling, the pulling force that the locking component bore is less, right the intensity requirement of locking component further reduces, strengthens the stability and the reliability of sampling capsule, and simple structure, save space.
Drawings
Fig. 1 is a schematic view of the internal structure of a sampling capsule according to a first embodiment of the present invention, wherein the locking end of the sealing member is in a locked state.
FIG. 2 is a schematic view of the septum and sampling assembly of the sampling capsule of FIG. 1.
FIG. 3 is a schematic view of another angular internal configuration of the sampling capsule shown in FIG. 1.
Fig. 4 is a schematic view of the internal structure of the sampling capsule shown in fig. 1, wherein the locking end of the sealing member is in a free state.
Fig. 5 is a schematic view of the internal structure of a sampling capsule according to a second embodiment of the present invention, wherein the locking end of the sealing member is in a locked state.
FIG. 6 is a cross-sectional view taken along line A-A of the sampling capsule shown in FIG. 5 without the heating element disposed therein.
FIG. 7 is a cross-sectional view taken along line A-A of the sampling capsule of FIG. 5 with a heating element disposed therein.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in the drawings, and reference is made to fig. 1 to 7, which are preferred embodiments of the present invention. It should be noted that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the equivalent transformation or substitution of the function, method, or structure based on these embodiments is within the protection scope of the present invention.
It should be noted that "longitudinal" in this specification refers to the axial direction of the sampling capsule, and "transverse" to the radial direction of the sampling capsule. Unless expressly stated or limited otherwise, the terms "connected," "disposed" and the like are to be construed broadly and encompass, for example, connections that may be direct or indirect via intermediate media, fixed or removable or integral; the setting may be a direct setting or an indirect setting. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Please refer to fig. 1 to 4, which are illustrations of a sampling capsule 100 according to a first embodiment of the present invention, the sampling capsule 100 includes a housing 1, a partition plate 2 fixed in the housing 1, and a sampling assembly 3 disposed in the housing 1 for sampling, the partition plate 2 and the housing 1 located at a first side of the partition plate 2 enclose to form a sampling pool 4, the partition plate 2 and the housing 1 located at a second side of the partition plate 2 enclose to form an electrical cabin 5, and a battery (not shown), a main control chip (not shown), a camera (not shown), a wireless module (not shown) and the like are disposed in the electrical cabin 5.
It is understood that the first side and the second side refer to opposite sides of the partition 2. In one embodiment, the partition board 2 is fixed in the housing 1 by gluing, but not limited thereto.
It should be noted that, in the drawings of this specification, only the schematic structural diagrams of the casing 1, the partition plate 2, and the sampling assembly 3 are shown in detail, components such as a battery, a main control chip, a camera, and a wireless module in the electrical appliance bin 5 are not shown in the drawings of this specification, and components such as a battery, a main control chip, a camera, and a wireless module in the electrical appliance bin 5 can all adopt corresponding components in the prior art, and thus, description thereof is omitted.
The shell body 1 is formed by wrapping a pill-shaped shell, and the material of the shell body is a biocompatible material. Meanwhile, according to the imaging requirement, part of the housing 1 may be transparent, for example, the position of the housing 1 corresponding to the camera is transparent, so as to have better light transmittance, and facilitate the user to control the sampling capsule 100 according to the image of the external digestive tract acquired by the camera.
Further, sampling capsule 100 still includes the evacuation subassembly, the evacuation subassembly is including locating and being located 2 first sides of baffle extraction hole (not numbered) on the casing 1, with extraction hole matched with second cork 6 is swallowing before sampling capsule 100, use the syringe to pierce through carry out the vacuum extraction behind second cork 6, make sampling cell 4 is in negative pressure state, finishes extracting extract behind the syringe, second cork 6 blocks up the pinhole under effects such as self elastic restoring force, surrounding extrusion, guarantees sealing performance in the sampling cell 4.
In one embodiment, the air exhaust hole and the second soft plug 6 matched with the air exhaust hole are used as a sampling part, that is, after sampling, a syringe is used to pierce the second soft plug 6 to suck the liquid sample in the sampling pool 4, so that the structure of the shell 1 can be simplified.
The partition board 2 is provided with a communication port (not numbered), the sampling assembly 3 comprises an outer sampling port 31 arranged on the housing 1 at the second side of the partition board 2, a sampling channel 32 passing through the communication port and communicating the outer sampling port 31 with the sampling pool 4, a sealing member 33 matched with one end of the sampling channel 32 facing the inside of the sampling pool 4, a first cantilever 34 connecting the sealing member 33 to the partition board 2, a locking member 35 for locking one end of the sealing member 33 opposite to the first cantilever 34, and an unlocking member 36 for enabling one end of the sealing member 33 opposite to the first cantilever 34 to be in a free state. When the end of the seal 33 opposite the first cantilever 34 is in the locked state, the seal 33 seals the sampling channel 32.
For the convenience of the following description, an end of the sealing member 33 corresponding to the first cantilever 34 is defined as a connecting end, and an end corresponding to the locking member 35 is defined as a locking end, and the connecting end and the locking end are located at two opposite ends of the sealing member 33.
Referring to fig. 2, after the locking end is in the locking state and the sampling tank 4 is in the vacuum state, the internal and external pressure difference of the sampling tank 4 makes the sampling tank 4The seal 33 is subjected to a thrust force F towards the sampling cell 4, while the locking end of the seal 33 is subjected to a pulling force Fa exerted by the locking member 35, according to the lever principle, satisfying F × L at equilibrium1＝Fa×L2Wherein L is1Is a moment arm corresponding to the thrust F, namely the distance between the action line of the thrust F and the connecting end, L2Is a pulling force FaCorresponding moment arms, i.e. said pulling force FaDue to the distance of the line of action from the connecting end, due to the arm of force L2＞L1Therefore, FaF, that is, the pulling force that locking member 35 bore is less than thrust F, the pulling force that locking member 35 bore is less, to locking member 35's intensity requirement further reduces, strengthens sampling capsule 100's stability and reliability, and compare in the valve structure of current control sampling channel 32 switch, the utility model provides a sealing member 33 and locking member 35's structure and the cooperation between them is simpler, save space.
In one embodiment, the position of the sealing member 33 corresponding to the end of the sampling channel 32 facing into the sampling well 4 is located in the middle of the sealing member 33, i.e. the L2＝2L1At this time Fa1/2F, the locking member 35 experiences less tension, further reducing the strength requirements of the locking member 35 and enhancing the reliability of the sampling capsule 100. Of course, the force arm L can be adjusted according to specific requirements without being limited thereto2And L1Length of (d).
Further, the sampling channel 32 comprises a longitudinal section 321 passing through and sealing-fitting with the communication port, an end of the longitudinal section 321 on the second side of the partition 2, and a transverse section 322 communicating with the outer sampling port 31. In the vacuum state in the sampling pond 4, just behind the locking end is in free state under the effect of the inside and outside pressure differential of sampling pond 4, sealing member 33 is opened sampling channel 32, the external digestive juice of sampling capsule 100 certainly outer sample mouth 31 is in proper order through horizontal section 322, vertical section 321 get into in the sampling pond 4.
The seal 33 is fitted to the end of the longitudinal section 321 facing into the sample cell 4. The sealing member 33 comprises a rigid plate 331, a sealing plug 332 fixed to the rigid plate 331 at a position corresponding to an end of the sampling channel 32 facing into the sampling chamber 4, and the first cantilever 34 and the locking member 35 are both connected to the rigid plate 331. When the locking end is in the locked state, the sealing plug 332 seals the longitudinal section 321 to close the sampling channel 32.
Specifically, the sealing plug 332 has a protrusion 333 which is matched with the end of the sampling passage 32 facing the inside of the sampling pool 4, and the shape of the protrusion 333 is matched with the shape of the sampling passage 32, so that the sealing effect of the sealing plug 332 on the sampling passage 32 can be enhanced.
In one embodiment, the cross section of the end of the sampling channel 32 facing the inside of the sampling pool 4 is circular, and the protrusion 333 is a circular protrusion to seal the end of the sampling channel 32 facing the inside of the sampling pool 4 and close the sampling channel 32; of course, this is not a limitation.
Further, the first cantilever 34 is an elastic arm, that is, the first cantilever 34 has resilience, and is in a vacuum state in the sampling cell 4, and after the locking end is in a free state, the sealing member 33 rotates around the first cantilever 34 towards the sampling cell 4 under the action of the pressure difference between inside and outside, so that the sampling channel 32 is in an open state for sampling, at this time, the first cantilever 34 bends, and after the pressure difference between inside and outside of the sampling cell 4 is balanced, under the action of the elastic restoring force of the first cantilever 34, the sealing member 33 resets and seals one end of the sampling channel 32 facing the sampling cell 4, so as to close the sampling channel 32, so that the liquid in the sampling cell 4 cannot flow out, and the liquid outside the sampling capsule 100 cannot easily enter the sampling cell 4 from the sampling channel 32, that is, the sampling capsule 100 is made to have good leak and contamination resistance.
Specifically, the first cantilever 34 may be made of titanium alloy or nickel-titanium alloy.
The locking member 35 includes a second cantilever 351 connected to the locking end of the sealing member 33, a locking member 352 disposed on the first side or the second side of the partition 2 and locked with the second cantilever 351, the locking member 352 is made of a low melting point alloy or a shape memory metal, and the unlocking member 36 includes a heating element 361 disposed adjacent to the locking member 352. When the second cantilever 351 is engaged with the locking member 352, the sealing member 33 seals the sampling channel 32 when the locking end is in a locked state; after the heating element 361 heats up, the locking element 352 is deformed or softened by heat, the sealing element 33 separates the second cantilever 351 from the locking element 352 under the action of external pressure, the sampling channel 32 is opened, and external digestive juice enters the sampling pool 4 along the sampling channel 32 for sampling.
In the first embodiment of the present invention, the locking member 352 is disposed on the first side of the partition board 2, and the heating member 361 is also disposed on the first side of the partition board 2.
Specifically, the second suspension arm 351 is an L-shaped suspension arm, and the second suspension arm 351 includes a connection section extending from the locking end toward the partition board 2, and a locking section connected to an end of the connection section near the partition board 2 and parallel to the partition board 2, and the connection section and the locking section form the L-shaped second suspension arm 351.
The locking piece 352 has a slot into which the locking segment is inserted, and the locking end is in a locked state when the locking segment is located in the slot; after the locking segment is disengaged from the slot, the locking end is in a free state.
Further, the locking member 352 is a transverse eta-shaped member, the locking member 352 includes two opposite side plates disposed at an interval, and a connecting plate connecting one ends of the two side plates located at the same side, the two side plates and the connecting plate form the eta-shaped locking member 352, and the two side plates and the connecting plate form the engaging groove together.
Further, the heating member 361 is fixed to the partition 2, and the locking member 352 is fixed to the heating member 361, so that the heating member 361 heats the locking member 352.
Further, the unlocking member 36 further includes a circuit board electrically connected to the heating element 361, and a connector 362 electrically connected to the circuit board, the connector 362 is electrically connected to the main control chip on the second side of the partition board 2, so that the heating element 361 is electrically connected to the main control chip.
In one embodiment, the partition board 2 has a circuit board portion (not numbered), and the heating element 361 is connected to the partition board 2 and electrically connected to the circuit board portion, that is, the partition board 2 can be used as a circuit board or a part of the circuit board, and the heating element 361 is electrically connected to the connector 362 through the circuit board portion of the partition board 2, so as to simplify the structure inside the sampling capsule 100.
Of course, it should be understood that, in the embodiment where the unlocking member 36 is disposed on the first side of the partition board 2, the structures of the locking member 35 and the unlocking member 36 are not limited to the structures in the first embodiment, and all the locking member 35 and the unlocking member 36 that can switch the locking end between the locking state and the free state are within the protection scope of the present invention, and if the second cantilever 351 may be disposed as a suspension structure, the locking member 352 may be disposed as a hook or the like that fixes the suspension structure.
The operation of the sampling capsule 100 according to the first embodiment of the present invention will be described in detail as follows:
before swallowing the sampling capsule 100, the sampling cell 4 is evacuated after piercing the second soft plug 6 with a syringe, and the locking end of the sealing member 33 is in a locked state.
After the sampling capsule 100 is swallowed and the sampling site is reached, the heating element 361 is controlled to generate heat, the locking element 352 is deformed or softened by heat, the sealing element 33 enables the second cantilever 351 to be separated from the locking element 352 under the action of external pressure, the locking end of the sealing element 33 is in a free state, the sampling channel 32 is opened, and sampling is carried out; after the internal pressure and the external pressure of the sampling pool 4 are balanced, the sealing member 33 is reset under the action of the elastic restoring force of the first cantilever 34, and the sampling channel 32 is sealed so as to close the sampling channel 32.
After the sampling is completed, medical personnel pierce through equipment such as syringes the second cork 6 gets into sample in the sampling pool 4, be convenient for follow-up analysis and test to the digestive juice of gathering.
Referring to fig. 5 to 7, a second embodiment of the present invention is different from the first embodiment in that: the locking piece 352' is located the second side of baffle 2, heating member 361 also locates the second side of baffle 2, compare in the utility model provides a first embodiment, will heating member 361 set up in the outside of sampling cell 4 can prevent heating member 361 from polluting or destroying the liquid in the sampling cell 4, further improves the accuracy of detection.
In one embodiment, the second suspension arm 351 ' is a suspension wire, the locking member 352 ' is a hook engaged with the suspension wire, the partition plate 2 is provided with a through hole (not numbered) for the suspension wire to pass through, and a first soft plug 21 engaged with the through hole, and after the suspension wire passes through the partition plate 2 from the through hole and is fixed to the hook 352 ', the locking end is in a locking state. Of course, this is not a limitation.
Specifically, the suspension wire can be made of the existing material with small wire diameter, strong toughness, high strength and no elasticity, such as a medical suture.
Further, the hooks are disposed on the transverse segment 322, simplifying the structure within the sampling capsule 100.
In one embodiment, the locking member 35 further includes a fixing plate 353 fixed to the sampling channel 32, the hook is fixed to the fixing plate 353, the heating element 361 is fixed to the fixing plate 353 and attached to the hook, so as to isolate the heating element from the sampling channel 32, prevent the heat of the heating element 361 from affecting the liquid in the sampling channel 32, and affect the final detection result, and simplify the structure inside the sampling capsule.
The operation of the sampling capsule 100 according to the second embodiment of the present invention will be described in detail as follows:
before swallowing the sampling capsule 100, the sampling cell 4 is evacuated after piercing the second soft plug 6 with a syringe, and the locking end of the sealing member 33 is in a locked state.
After the sampling capsule 100 is swallowed and the sampling part is reached, the heating element 361 is controlled to generate heat, the hook is deformed or softened by heat, the suspension wire is separated from the hook by the sealing element 33 under the action of external pressure, so that the locking end of the sealing element 33 is in a free state, the sampling channel 32 is opened, and sampling is carried out; after the internal pressure and the external pressure of the sampling pool 4 are balanced, the sealing member 33 is reset under the action of the elastic restoring force of the first cantilever 34, and the sampling channel 32 is sealed so as to close the sampling channel 32.
After the sampling is completed, medical personnel pierce through equipment such as syringes the second cork 6 gets into sample in the sampling pool 4, be convenient for follow-up analysis and test to the digestive juice of gathering.
The second embodiment of the present invention is the same as the first embodiment except for the above differences in other structures, and thus, the description thereof is omitted.
Further, the utility model provides a sampling capsule system, including foretell sampling capsule 100, with sampling capsule 100 complex external processing terminal (not shown in the figure), specifically, external processing terminal with master control chip communication in the sampling capsule 100 is connected, in order to control sampling capsule 100's operating condition.
The structure of the sampling capsule 100 is as described above, and thus, the description thereof is omitted.
Compared with the prior art, the utility model provides a sampling capsule 100, before the sampling, the pulling force that the locking member bore is less, right the intensity requirement of locking member further reduces, strengthens sampling capsule 100's stability and reliability, and simple structure, save space.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A sampling capsule, characterized by: the method comprises the following steps:
a housing;
the partition plate is fixed in the shell, the partition plate and the shell positioned on the first side of the partition plate are arranged in an enclosing mode to form a sampling pool, and a communication opening is formed in the partition plate;
the sampling assembly comprises an outer sampling port arranged on the shell and positioned on the second side of the partition plate, a communicating port communicated with the outer sampling port, a sampling channel of the sampling pool, a sealing piece which faces towards one end in the sampling pool and is matched with the end in the sampling pool, a first cantilever connected to the sealing piece on the partition plate, a locking component used for enabling one end, opposite to the first cantilever, of the sealing piece to be in a locking state, and an unlocking component used for enabling one end, opposite to the first cantilever, of the sealing piece to be in a free state.
2. The sampling capsule of claim 1, wherein: the locking component comprises a second cantilever connected to one end of the sealing element opposite to the first cantilever, and a locking piece which is arranged on the first side or the second side of the partition plate and locked with the second cantilever; the unlocking member includes a heating element disposed adjacent to the locking element.
3. The sampling capsule of claim 2, wherein: the locking piece is arranged on the first side of the partition plate; the second cantilever is L-shaped and comprises a locking section parallel to the partition plate, and the locking piece is provided with a clamping groove for inserting the locking section.
4. A sampling capsule according to claim 3, wherein: the locking piece is in a transverse eta shape.
5. A sampling capsule according to claim 3, wherein: the partition board is provided with a circuit board part, and the heating element is connected to the partition board and is electrically connected with the circuit board part; the locking member is secured to the heating member.
6. The sampling capsule of claim 2, wherein: the locking piece is a hook arranged on the second side of the partition plate, and the second cantilever is a suspension wire matched with the hook; the partition plate is provided with a through hole for the second cantilever to pass through and a first soft plug matched with the through hole.
7. The sampling capsule of claim 6, wherein: the locking component further comprises a fixing plate fixed on the sampling channel, the locking piece is fixed on the fixing plate, and the heating piece is fixed on the fixing plate and attached to the locking piece.
8. The sampling capsule of claim 1, wherein: the sealing element comprises a hard plate and a sealing plug fixed on the hard plate at a position corresponding to one end of the sampling channel facing the sampling pool; the first cantilever and the locking member are both connected to the hard plate.
9. The sampling capsule of claim 8, wherein: the sealing plug is provided with a bulge matched with one end of the sampling channel facing the inside of the sampling pool.
10. A sampling capsule system, comprising: the sampling capsule comprises a sampling capsule according to any one of claims 1 to 9, an external processing terminal cooperating with the sampling capsule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814976.8U CN215017986U (en) | 2021-04-20 | 2021-04-20 | Sampling capsule and sampling capsule system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814976.8U CN215017986U (en) | 2021-04-20 | 2021-04-20 | Sampling capsule and sampling capsule system |
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| CN215017986U true CN215017986U (en) | 2021-12-07 |
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| CN202120814976.8U Active CN215017986U (en) | 2021-04-20 | 2021-04-20 | Sampling capsule and sampling capsule system |
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