CN113180607A - Connecting structure and connecting method for OCT probe - Google Patents
Connecting structure and connecting method for OCT probe Download PDFInfo
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- CN113180607A CN113180607A CN202110476205.7A CN202110476205A CN113180607A CN 113180607 A CN113180607 A CN 113180607A CN 202110476205 A CN202110476205 A CN 202110476205A CN 113180607 A CN113180607 A CN 113180607A
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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Abstract
The invention discloses a connecting structure for an OCT probe, which comprises a connecting piece, a connecting pipe, a hose and a fastening pipe, wherein the connecting piece is fixedly connected with the connecting pipe; the connector has a channel; the connecting pipe is fixed on the connecting piece and is communicated with the channel in a sealing way; the connecting pipe and the hose are sleeved and communicated with each other; the fastening pipe is sleeved outside the hose and the connecting pipe and wraps the sleeved part of the hose and the connecting pipe; one side of the fastening pipe is fastened and hermetically connected with the connecting pipe; the other side of the fastening pipe is fastened and hermetically connected with the hose. The invention has the characteristic of ensuring the connection firmness and the sealing performance of the connecting piece and the hose. The invention also discloses a connecting method for the OCT probe.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a connecting structure and a connecting method for an OCT probe.
Background
Optical interference Tomography (OCT) is an Optical imaging technique based on the principle of interference of weak coherent light, which obtains a two-dimensional or three-dimensional structure of biological tissue by detecting back-reflected or scattered signals of different tissues to incident weak coherent light.
The OCT optical scanning probe obtains images through internal optical fiber guide wire rotation scanning, and the probe axial motion can scan layer by layer while the optical fiber guide wire rotates, so that richer image information can be obtained.
The existing OCT fiber scanning probe is generally composed of a connecting piece connected with a host system and a flexible tube entering a cavity of a human body. Flexible tubes are typically made of a pliable plastic or rubber material, with the flexible tube being a relatively stiff plastic material. In order to effectively connect and seal the two flexible pipes with the connecting piece, the flexible pipes are usually inserted into the through holes of the connecting piece and fixed by adopting a viscose mode; however, when either or both of the above materials are made of a material that is difficult to adhere, such as fluoroplastic, polypropylene, etc., the adhesion method will result in difficulty in ensuring the firmness and sealing performance of the two materials.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention has the first aim of providing a connecting structure for an OCT probe and the second aim of providing a connecting method for the OCT probe, wherein the connecting structure and the connecting method have the characteristics of ensuring the connection firmness and the sealing performance of a connecting piece and a hose.
One of the purposes of the invention is realized by adopting the following technical scheme:
a connecting structure for an OCT probe comprises a connecting piece, a connecting pipe, a hose and a fastening pipe; the connector has a channel; the connecting pipe is fixed on the connecting piece and is communicated with the channel in a sealing way; the connecting pipe and the hose are sleeved and communicated with each other; the fastening pipe is sleeved outside the hose and the connecting pipe and wraps the sleeved part of the hose and the connecting pipe; one side of the fastening pipe is fastened and hermetically connected with the connecting pipe; the other side of the fastening pipe is fastened and hermetically connected with the hose.
In an alternative embodiment, the fastening tube is heat shrunk to be fastened and hermetically connected with the connecting tube and the hose, respectively.
In an alternative embodiment, the hose and the fastening tube are both made of FEP material; or, the hose is made of PVDF material, and the fastening pipe is made of PTFE material.
In an optional embodiment, the connecting pipe and the hose are sleeved at a depth of 2-10 mm.
In an alternative embodiment, the hose comprises a hose body and a connecting section formed by extending horizontally outwards from one side of the hose body; the connecting section expands outwards relative to the hose body; the connecting pipe is arranged in the connecting section in a matching and penetrating mode.
In an alternative embodiment, the connecting structure for an OCT probe further comprises a fixing member; the fixing piece is provided with an inner groove; one side of the hose, which is far away from the connecting pipe, is penetrated and fixed in the inner groove; an internal thread is formed on one side, close to the connecting pipe, of the groove wall of the inner groove; and one side of the connecting piece, which is close to the hose, is provided with an external thread matched with the internal thread in a threaded manner.
In an alternative embodiment, the inner tank includes a first section and a second section in communication with each other; the second section is positioned on one side of the first section, which is far away from the connecting piece, and a step surface is formed at the joint of the first section and the second section; one side of the hose, which is far away from the fastening pipe, penetrates through the second section, the fastening pipe is located in the first section, and the fastening pipe is back to the end face of the connecting pipe and abuts against the step face.
The second purpose of the invention is realized by adopting the following technical scheme:
a method of connection for an OCT probe, comprising the steps of:
fixing a connecting pipe on the connecting piece, and enabling the connecting pipe to be communicated with the sleeve in a sealing way;
sleeving the connecting pipe and the hose with each other, and communicating the connecting pipe and the hose with each other;
the fastening pipe is sleeved outside the connecting pipe and the hose, and the fastening pipe wraps the sleeved part of the connecting pipe and the hose;
the fastening pipe is heated, and is heated to shrink and wrap the connecting pipe and the hose, and after cooling, the fastening pipe is fastened and hermetically connected with the connecting pipe and the hose respectively.
In an alternative embodiment, the fastening tube is heated until the hose is in a molten state.
In an optional embodiment, the hose is fixed in an inner groove of the fixing piece, and an inner thread is arranged on the groove wall of the inner groove of the fixing piece; the outer wall of the connecting piece is provided with an external thread, and the external thread is in threaded connection with the internal thread.
Compared with the prior art, the invention has the beneficial effects that:
1. the connecting pipe is arranged on the connecting piece, the connecting pipe and the hose are sleeved with each other, the matched fastening pipe is respectively fastened and hermetically connected with the connecting pipe and the hose, and the sleeved part of the connecting pipe and the hose is wrapped, so that the connection and the air sealing of the connecting pipe and the hose are realized, namely, the connection and the air sealing of the hose and the connecting pipe are realized.
2. The fastening pipe is heated to shrink and is respectively fastened and hermetically connected with the connecting pipe and the hose, so that the firmness and the sealing performance are further improved.
3. The sleeve depth of the connecting pipe and the hose is 2-10mm, so that the situation that the fastening pipe shrinks and cannot cover the joint to reduce the sealing property when the connecting pipe and the hose are connected due to too deep sleeve is avoided, and the situation that the connecting pipe and the hose are separated easily when the connecting pipe and the hose are connected too shallow in sleeve under tension or bending is also avoided.
4. The hose comprises a hose body and a connecting section which is expanded relative to the hose body, and the insertion depth of the connecting pipe can be limited.
5. The hose is connected with the fixing piece; the internal thread is seted up to the mounting, and the connecting piece is seted up with internal thread screw-thread fit's external screw thread, including the department of cup jointing of connecting pipe and hose, avoids being destroyed, and further strengthens the joint strength of hose and connecting piece.
6. The inner groove of the fixing member includes a first section and a second section communicating with each other; the joint of the first section and the second section is provided with a step surface to limit the fastening pipe.
Drawings
FIG. 1 is a schematic structural view of a connecting structure for an OCT probe according to the present invention;
FIG. 2 is a sectional view showing an assembled state of a connecting structure for an OCT probe of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;
FIG. 4 is a sectional view showing a disassembled state of the connecting structure for OCT probe according to the present invention.
In the figure: 10. a connecting member; 20. a connecting pipe; 30. a hose; 31. a hose body; 32. a connecting section; 40. fastening the tube; 41. the fastening pipe is back to the end surface of the connecting pipe; 50. a fixing member; 60. an inner tank; 61. a first stage; 62. a second stage; 63. a limiting surface;
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The first embodiment is as follows:
referring to fig. 1 to 4, a connecting structure for an OCT probe includes a connecting member 10, a connecting tube 20, a flexible tube 30, and a fastening tube 40; the connector 10 has a channel; the connecting pipe 20 is fixed on the connecting piece 10 and is communicated with the channel in a sealing way; specifically, the channel has an opening at one end, and one side of the connecting pipe 20 is matched and hermetically penetrated through the channel through the opening; it should be noted that the connecting tube 20 can be made of an easily-adhered hard plastic material such as ABS or a metal material, and the connecting member 10 can also be made of an easily-adhered hard plastic material such as ABS or a metal material, and when the connecting tube 20 and the connecting member 10 are made of different materials, they are adhered, and when the connecting tube 20 and the connecting member 10 are made of the same material, they are integrally formed, so that adhesion is avoided; in the invention, the connecting piece 10 is made of ABS, and the connecting pipe 20 is made of stainless steel; the connecting pipe 20 and the hose 30 are sleeved and communicated with each other, and it is understood that the connecting pipe 20 is sleeved outside the hose 30, or the hose 30 is sleeved outside the connecting pipe 20; the fastening pipe 40 is sleeved outside the hose 30 and the connecting pipe 20 and wraps the sleeved part of the hose 30 and the connecting pipe 20, namely, wraps the interface gap between the hose 30 and the connecting pipe 20; one side of the fastening pipe 40 is fastened and hermetically connected with the connection pipe 20; the other side of the fastening pipe 40 is fastened and hermetically connected with the hose 30; thus, the fastening tube 40 seals the sleeve joint of the connecting tube 20 and the hose 30, and realizes the closed communication between the hose 30 and the sleeve; it is understood that one side of the fastening tube 40 extends from a position corresponding to the hose 30 to the position passing through the coupling between the hose 30 and the connection tube 20 and then to the connection tube 20.
As can be seen from the above, according to the present invention, the connecting pipe 20 is disposed on the connecting member 10, the connecting pipe 20 and the hose 30 are sleeved with each other, the mating fastening pipe 40 is fastened and hermetically connected to the connecting pipe 20 and the hose 30, and the sleeved portion between the connecting pipe 20 and the hose 30 is wrapped, so as to achieve connection and hermetic sealing of the connecting pipe 20 and the hose 30, that is, connection and hermetic sealing of the hose 30 and the connecting pipe 20 are achieved, where connection of the connecting pipe 20 and the hose 30 is not affected by the material thereof, and compared with the method of using an adhesive, the problem that when the connecting member 10 and the hose 30 are made of a material difficult to adhere, firmness and sealability of the connecting member 10 and the hose 30 are difficult to guarantee, that is, firmness and sealability of the connecting member 10 and the hose 30 are guaranteed, can be avoided.
In the preferred embodiment of the present invention, the fastening tube 40 is heated to shrink and is fastened and hermetically connected with the connection tube 20 and the hose 30, at this time, the fastening tube 40 shrinks to realize sealing and fixing, the firm strength and the sealing performance are further improved, and the realization mode is simple; specifically, the fastening tube 40 may be made of, but not limited to, FEP or PTFE material to be able to contract when heated.
It is worth mentioning that when the fastening pipe 40 is heated, the hose 30 is heated to be in a molten state at the same time, so that the fastening pipe 40 and the hose 30 are both in a molten state, the two can be well fused, and after cooling, the sealing performance and the connection strength of the two can be improved; more preferably, the hose 30 is made of a material having a melting point that is the same as or similar to the melting point of the fastening tube 40, and the heating temperature is a temperature at which the hose 30 and the fastening tube 40 just melt, so as to ensure that the two are well fused.
On the basis of the above structure, specifically, the hose 30 and the fastening tube 40 can be made of FEP material, or the hose 30 is made of PVDF material, and the fastening tube 40 is made of PTFE material; of course, the hose 30 and the fastening tube 40 may be made of other materials having the same or similar melting points.
In the preferred embodiment of the present invention, the engaging depth of the connecting tube 20 and the flexible tube 30 is 2-10mm, and it is understood that the length of the engaging portion of the connecting tube 20 and the flexible tube 30 is 2-10mm, so as to avoid the situation that the fastening tube shrinks and cannot cover the joint to reduce the sealing performance when the two are engaged too deeply, and to avoid the situation that the two are easily disengaged when the two are engaged too shallowly under tension or bending.
In the preferred embodiment of the present invention, the hose 30 includes a hose body 31 and a connection section 32 formed by horizontally extending outward from one side of the hose body 31; the connecting section 32 is flared relative to the hose body 31, and it is understood that the outer diameter and the inner diameter of the connecting section 32 are respectively larger than the outer diameter and the inner diameter of the hose body 31; the connecting pipe 20 is inserted into the connecting section 32 in a matching manner, and at the moment, the outer diameter of the connecting pipe 20 is slightly smaller than the inner diameter of the connecting pipe during connection and slightly larger than the inner diameter of the hose body 31, so that the connecting pipe 20 is limited when being inserted into the connecting part of the connecting section 32 and the hose body 31, and the connecting pipe is prevented from being inserted too deeply.
It is worth integrating that the hose 30 can be flared mechanically or thermally to form the connecting section 32, and specifically, the force applied by the mechanical flaring should not exceed the stress limit of the hose 30 to prevent the hose 30 from breaking; heated flaring typically heats the hose 30 to near its melting point and reshapes it with a mold.
In the preferred embodiment of the present invention, the connecting structure for the OCT probe further includes a fixing member 50; the fixing member 50 is formed with an inner groove 60; one side of the hose 30 far away from the connecting pipe 20 is penetrated and fixed in the inner groove 60; an internal thread is arranged on one side of the groove wall of the inner groove 60 close to the connecting pipe 20; one side of the connecting piece 10 close to the hose 30 is provided with an external thread matched with the internal thread; it can be understood that the socket portion of the hose 30 and the connection pipe 20 is covered by the fixing member 50 and the connection member 10, and the connection of the hose 30 and the connection pipe 20 is prevented from being damaged by the outside; meanwhile, the fixing member 50 and the connection member 10 are screw-coupled through the internal and external threads, thereby further enhancing the coupling strength of the hose 30 and the connection member 10.
In the preferred embodiment of the present invention, the inner tank 60 includes a first section 61 and a second section 62 communicating with each other; the second section 62 is positioned on one side of the first section 61 away from the connecting piece 10, and a step surface 63 is formed at the joint of the first section 61 and the second section 62; one side of the hose 30, which is far away from the fastening pipe 40, is arranged in the second section 62 in a penetrating manner, the fastening pipe 40 is arranged in the first section 61, and the end surface 41 of the fastening pipe, which is back to the connecting pipe, is abutted against the step surface 63, so that the limiting of the hose 30 is realized; it will be appreciated that the inner diameter of the second section 62 may be slightly larger than the outer diameter of the hose 30 for the hose 30 to pass through, and the inner diameter of the second section 62 is smaller than the outer diameter of the fastening tube 40 and the inner diameter of the first section 61 to form a step surface 63 with the first section 61, thereby having a limit effect on the fastening tube 40.
It is worth mentioning that the following experiments are also performed, specifically:
the method comprises the following steps of carrying out stress detection on a connecting piece 10 and a hose 30 which are connected in an adhesive manner, wherein either one or both of the connecting piece 10 and the hose 30 are made of materials which are difficult to bond, such as FEP or PTFE and the like, and external tension is applied between the connecting piece 10 and the hose 30, at the moment, the bearing tension of the two is less than 5N, namely, the two are separated when the tension exceeds or approaches 5N; meanwhile, when air is introduced into the connector 10 and the hose 30, the connection point between the connector and the hose is subjected to air pressure of less than 20psi, that is, when the air pressure formed by introducing air is close to or exceeds 20psi, the air leakage problem exists, and the sealing performance is poor.
The connecting piece 10 and the hose 30 which are connected by adopting the connecting structure for the OCT probe in the first embodiment are subjected to stress detection, external tension is applied between the connecting piece 10 or the connecting pipe 20) and the hose 30, at the moment, the tension borne between the connecting pipe 20 and the connecting piece 10 (or the connecting pipe 20) is increased to about 100N, the hose 30 deforms seriously, but the connecting part of the hose 30 and the connecting pipe 20 is not abnormal; meanwhile, air is introduced into the connecting pipe 20 and the hose 30, no air leakage exists between the connecting pipe 20 and the hose when the air pressure reaches at least 50psi, and the sealing performance is good.
Example two:
referring to fig. 1-4, a method of attachment for an OCT probe includes the steps of:
fixing a connecting pipe 20 on the connecting piece 10, and enabling the connecting pipe 20 to be communicated with the sleeve in a sealing way;
sleeving the connection tube 20 and the hose 30 to each other and communicating them with each other;
the fastening pipe 40 is sleeved outside the connecting pipe 20 and the hose 30, and the fastening pipe 40 is made to wrap the sleeved part of the connecting pipe 20 and the hose 30;
the fastening pipe 40 is fastened and hermetically connected to the connection pipe 20 and the hose 30, respectively.
Through the above steps, the connecting pipe 20 is arranged on the connecting piece 10, the connecting pipe 20 and the hose 30 are sleeved with each other, the connecting pipe 20 and the hose 30 are wrapped by the fastening pipe 40, the fastening and the airtight connection between the connecting pipe 20 and the hose 30 are realized, namely, the fastening and the airtight connection between the connecting piece 10 and the hose 30 are realized, the connecting device is not influenced by the materials of the connecting piece 10 and the hose 30, compared with a mode of adopting viscose, the problem that the firmness and the tightness of the connecting piece 10 and the hose 30 are difficult to guarantee due to the fact that the connecting piece 10 and the hose 30 are made of materials difficult to glue is solved, namely, the firmness and the tightness of the connecting piece 10 and the hose 30 are guaranteed.
In the preferred embodiment of the present invention, the fastening tube 40 is heated to shrink and wrap the connecting tube 20 and the flexible tube 30, and after cooling, the fastening tube 40 is fastened and hermetically connected with the connecting tube 20 and the flexible tube 30, at this time, the fastening tube 40 shrinks to realize sealing and fixing, and the firm strength and the sealing performance are further improved; specifically, the fastening tube 40 may be made of, but not limited to, FEP or PTFE material to be able to contract when heated.
In the preferred embodiment of the present invention, when the fastening tube 40 is heated, the hose 30 is further heated to be in a molten state, so that the contact portions of the connection tube 20 and the hose 30 are fused to improve the connection strength and the sealing performance of the two; in this embodiment, the joint between the fastening tube 40 and the hose 30 is heated to ensure that both are melted.
In the preferred embodiment of the present invention, the flexible tube 30 is made of a material having a melting point equal to or similar to that of the fastening tube 40, and the heating temperature is a temperature at which the flexible tube 30 and the fastening tube 40 can be melted to ensure that the two can be well fused.
On the basis of the above structure, specifically, the hose 30 and the fastening tube 40 can be made of FEP material, or the hose 30 is made of PVDF material, and the fastening tube 40 is made of PTFE material; of course, the hose 30 and the fastening tube 40 may be made of other materials having the same or similar melting points.
In the preferred embodiment of the present invention, the engaging depth of the connecting tube 20 and the flexible tube 30 is 2-10mm, and it is understood that the length of the engaging portion of the connecting tube 20 and the flexible tube 30 is 2-10mm, so as to avoid the situation that the fastening tube shrinks and cannot cover the joint to reduce the sealing performance when the two are engaged too deeply, and to avoid the situation that the two are easily disengaged when the two are engaged too shallowly under tension or bending.
In the preferred embodiment of the present invention, the hose 30 is divided into a hose body 31 and a connecting section 32 which are connected and communicated with each other, and the connecting section 32 is outwardly expanded relative to the hose body 31, it being understood that the outer diameter and the inner diameter of the connecting section 32 are respectively larger than the outer diameter and the inner diameter of the hose body 31; the connecting pipe 20 is inserted into the connecting section 32 in a matching manner, and at the moment, the outer diameter of the connecting pipe 20 is slightly smaller than the inner diameter of the connecting pipe during connection and slightly larger than the inner diameter of the hose body 31, so that the connecting pipe 20 is limited when being inserted into the connecting part of the connecting section 32 and the hose body 31, and the connecting pipe is prevented from being inserted too deeply.
It is worth integrating that the hose 30 can be flared mechanically or thermally to form the connecting section 32, and specifically, the force applied by the mechanical flaring should not exceed the stress limit of the hose 30 to prevent the hose 30 from breaking; heated flaring typically heats the hose 30 to near its melting point and reshapes it with a mold.
In the preferred embodiment of the present invention, the side of the hose 30 away from the connection pipe 20 is inserted and fixed in the inner groove 60 of the fixing member 50; an internal thread is arranged on one side of the groove wall of the inner groove 60 close to the connecting pipe 20; one side of the connecting piece 10 close to the hose 30 is provided with an external thread matched with the internal thread; it can be understood that the socket portion of the hose 30 and the connection pipe 20 is covered by the fixing member 50 and the connection member 10, and the connection of the hose 30 and the connection pipe 20 is prevented from being damaged by the outside; meanwhile, the fixing member 50 and the connection member 10 are screw-coupled through the internal and external threads, thereby further enhancing the coupling strength of the hose 30 and the connection member 10.
In the preferred embodiment of the present invention, the inner tank 60 includes a first section 61 and a second section 62 communicating with each other; the second section 62 is positioned on one side of the first section 61 away from the connecting piece 10, and a step surface 63 is formed at the joint of the first section 61 and the second section 62; one side of the hose 30, which is far away from the fastening pipe 40, is arranged in the second section 62 in a penetrating manner, the fastening pipe 40 is arranged in the first section 61, and the end surface 41 of the fastening pipe, which is back to the connecting pipe, is abutted against the step surface 63, so that the limiting of the hose 30 is realized; it will be appreciated that the inner diameter of the second section 62 may be slightly larger than the outer diameter of the hose 30 for the hose 30 to pass through, and the inner diameter of the second section 62 is smaller than the outer diameter of the fastening tube 40 and the inner diameter of the first section 61 to form a step surface 63 with the first section 61, thereby having a limit effect on the fastening tube 40.
It is worth mentioning that the following experiments are also performed, specifically:
the method comprises the following steps of carrying out stress detection on a connecting piece 10 and a hose 30 which are connected in an adhesive manner, wherein either one or both of the connecting piece 10 and the hose 30 are made of materials which are difficult to bond, such as FEP or PTFE and the like, and external tension is applied between the connecting piece 10 and the hose 30, at the moment, the bearing tension of the two is less than 5N, namely, the two are separated when the tension exceeds or approaches 5N; meanwhile, when air is introduced into the connector 10 and the hose 30, the connection point between the connector and the hose is subjected to an air pressure of less than 20psi, that is, when the air pressure formed by introducing the air approaches or exceeds 20psi, the air leakage problem exists, and the sealing performance is poor.
The connecting piece 10 and the hose 30 which are connected by the method of the second embodiment are subjected to stress detection, and external tensile force is applied between the connecting piece 10 or the connecting pipe 20) and the hose 30, at this time, the tensile force borne between the connecting pipe 20 and the connecting piece 10 (or the connecting pipe 20) is increased to about 100N, although the hose 30 is seriously deformed, the connecting part of the hose 30 and the connecting pipe 20 is not abnormal; meanwhile, air is introduced into the connection pipe 20 and the hose 30, and when the air pressure reaches at least 50psi, no air leakage occurs between the two, and the sealing performance is poor.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A connecting structure for an OCT probe is characterized by comprising a connecting piece, a connecting pipe, a hose and a fastening pipe; the connector has a channel; the connecting pipe is fixed on the connecting piece and is communicated with the channel in a sealing way; the connecting pipe and the hose are sleeved and communicated with each other; the fastening pipe is sleeved outside the hose and the connecting pipe and wraps the sleeved part of the hose and the connecting pipe; one side of the fastening pipe is fastened and hermetically connected with the connecting pipe; the other side of the fastening pipe is fastened and hermetically connected with the hose.
2. The connection structure for an OCT probe of claim 1, wherein the fastening tube is shrunk by heating to be fastened and hermetically connected with the connection tube and the flexible tube, respectively.
3. The connecting structure for OCT probe of claim 2, characterized in that: the hose and the fastening pipe are both made of FEP materials; or, the hose is made of PVDF material, and the fastening pipe is made of PTFE material.
4. The connecting structure for OCT probe of claim 1, wherein: the sleeve depth of the connecting pipe and the hose is 2-10 mm.
5. The connecting structure for OCT probe of claim 1, wherein: the hose comprises a hose body and a connecting section formed by horizontally extending outwards from one side of the hose body; the connecting section expands outwards relative to the hose body; the connecting pipe is arranged in the connecting section in a matching and penetrating mode.
6. The connecting structure for OCT probe of claim 1, wherein: the connecting structure for the OCT probe further comprises a fixing piece; the fixing piece is provided with an inner groove; one side of the hose, which is far away from the connecting pipe, is penetrated and fixed in the inner groove; an internal thread is formed on one side, close to the connecting pipe, of the groove wall of the inner groove; and one side of the connecting piece, which is close to the hose, is provided with an external thread matched with the internal thread in a threaded manner.
7. The connecting structure for an OCT probe of claim 6, wherein: the inner tank includes a first section and a second section in communication with each other; the second section is positioned on one side of the first section, which is far away from the connecting piece, and a step surface is formed at the joint of the first section and the second section; one side of the hose, which is far away from the fastening pipe, penetrates through the second section, the fastening pipe is located in the first section, and the fastening pipe is back to the end face of the connecting pipe and abuts against the step face.
8. A method of connecting an OCT probe, comprising the steps of:
fixing a connecting pipe on the connecting piece, and enabling the connecting pipe to be communicated with the sleeve in a sealing way;
sleeving the connecting pipe and the hose with each other, and communicating the connecting pipe and the hose with each other;
the fastening pipe is sleeved outside the connecting pipe and the hose, and the fastening pipe wraps the sleeved part of the connecting pipe and the hose;
the fastening pipe is heated, and is heated to shrink and wrap the connecting pipe and the hose, and after cooling, the fastening pipe is fastened and hermetically connected with the connecting pipe and the hose respectively.
9. The connecting method for OCT probe of claim 8, characterized in that:
when the fastening tube is heated, the hose is also heated until the hose is in a molten state.
10. The connecting method for OCT probe of claim 8, characterized in that:
fixing the hose in an inner groove of the fixing piece, and forming internal threads on the groove wall of the inner groove of the fixing piece; the outer wall of the connecting piece is provided with an external thread, and the external thread is in threaded connection with the internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476205.7A CN113180607A (en) | 2021-04-29 | 2021-04-29 | Connecting structure and connecting method for OCT probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476205.7A CN113180607A (en) | 2021-04-29 | 2021-04-29 | Connecting structure and connecting method for OCT probe |
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| Publication Number | Publication Date |
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| CN113180607A true CN113180607A (en) | 2021-07-30 |
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Application publication date: 20210730 |