CN214485308U - Multi-section clamping type multi-channel insertion needle fixer - Google Patents
Multi-section clamping type multi-channel insertion needle fixer Download PDFInfo
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- CN214485308U CN214485308U CN202022384300.8U CN202022384300U CN214485308U CN 214485308 U CN214485308 U CN 214485308U CN 202022384300 U CN202022384300 U CN 202022384300U CN 214485308 U CN214485308 U CN 214485308U
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Abstract
The utility model relates to a needle fixer is planted to multistage joint formula multichannel interpolation, the fixer is including inserting section, interlude and observation section, firstly sets up the structure of multi-end joint formula, has solved the problem that the yields is low of moulding plastics when setting up elongated hole in long entity, and secondly the interlude can adopt the casing, has saved the material, and thirdly sets up transparent observation section for the operator can look over the male degree of depth.
Description
Technical Field
The utility model relates to a back-loading treatment device for vagina, in particular to a multi-section clamping type multi-channel insertion needle fixer.
Background
The afterloading radiotherapy mainly aims at cervical cancer and endometrial cancer, and the radioactive source is pushed forwards from the back of the tube to reach the cervix and the uterus for treatment or afterloading treatment.
CN2019215728096 is a multi-channel interpolation needle fixer previously applied by the applicant, and in the process of using, processing, manufacturing and using, two problems to be solved appear, the first is that the depth of the inserted needle cannot be determined when inserting the needle, and the second is that the injection molding cost is higher because of the existence of a very long needle channel when performing integral injection molding.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a needle fixer is planted to multistage multichannel interpolation, through this fixer, firstly practiced thrift the cost of moulding plastics, secondly can judge the inserted degree of depth of needle when making doctor or nurse operate.
The utility model discloses specific technical scheme as follows:
a multi-section clamping type multi-channel insertion needle fixer comprises an insertion section, a middle section and an observation section;
the insertion section comprises a first cylinder and a part-spherical body, and one end surface of the first cylinder is fixedly connected with the part-spherical body; a plurality of through holes parallel to the axis of the first cylinder are formed on the insertion section; the other end of the insertion section is provided with a first connecting part connected with the middle section;
the middle section is a second cylinder, both ends of the second cylinder are provided with concave parts, and the concave parts connected with the insertion section are configured into a second connecting part detachably connected with the first connecting part; the concave part connected with the observation section is configured as a third connecting part which is symmetrical to the cross section of the second connecting part on the axis midpoint position of the middle section 102; a plurality of through holes with the number consistent with that of the insertion sections are arranged in the solid section between the two concave parts in the middle section;
the observation section is a third cylinder, one end of the third cylinder is provided with a fourth connecting part detachably connected with the third connecting part, and when the insertion section and the observation section are both connected with the middle section, the cross sections of the fourth connecting part and the first connecting part, which are located relative to the axis midpoint position of the middle section, are symmetrical; a plurality of through holes with the same number as the inserting sections are arranged in the observing section;
the insertion section, intermediate section, and viewing section are configured to: when the first connecting portion of the insertion section with the second connecting portion of interlude are connected, just observe the fourth connecting portion of section with when the third connecting portion of interlude are connected, a plurality of contact pins can follow one by one the through-hole of the other end of observation section is inserted, passes a plurality of through-holes of interlude and a plurality of through-holes of insertion section one by one.
Further, the partially spherical body is preferably a small spherical body, i.e. each section has a diameter smaller than the diameter of the spherical body.
Furthermore, the spherical surface diameter of the partially spherical body is greater than or equal to the diameter of the cross section of the cylinder, the diameter of the contact surface of the partially spherical body and the cylinder is less than or equal to the spherical surface diameter, and the partially spherical body is entirely positioned within the cross section of the cylinder when viewed from the other end of the cylinder to the end in contact with the partially spherical body.
Furthermore, a limiting stop is arranged on the outer side of the second cylinder, close to the observation section, of the middle section.
Further, the observation section is a transparent section, and scales are arranged on the periphery of the observation section.
Furthermore, the diameter of the first connecting part is smaller than that of the first cylinder, a convex annular body is arranged on the first connecting part, and at least one convex part is arranged on the side surface between the convex annular body and the first cylinder; at least one groove is formed in the inner wall surface of the second connecting portion, the shape of the groove is consistent with that of the protruding portion, and when the first connecting portion is inserted into the second connecting portion, the protruding portion is matched with the groove.
Further, the third connecting part structure is consistent with the second connecting part structure, and the third connecting part structure is symmetrical to the second connecting part structure about the cross section where the axis midpoint position of the middle section is located; the fourth connecting part structure is consistent with the first connecting part structure, and the cross section of the fourth connecting part structure is symmetrical to the cross section of the first connecting part structure is.
Further, the protrusions and grooves each have 3, and the angle between each protrusion or groove is 120 °.
Further, the height of the circular ring body 107 extending out of the first connecting part of the circular ring body 107 is not more than 0.6 mm, and preferably is 0.4 mm; the height of the first connecting part of the bulge part protruding out of the bulge part is not more than 0.6 mm, and preferably is 0.4 mm.
Furthermore, the interlude is hollow second cylinder casing, works as the first connecting portion of inserted section with the second connecting portion of interlude are connected, and the fourth connecting portion of observation section with when the third connecting portion of interlude are connected, a plurality of contact pins can be followed one by one the through-hole of the other end of observation section is inserted, after passing hollow interlude, passes a plurality of through-holes of inserted section one by one.
Through foretell technical scheme, firstly set up the structure of multistage joint formula, solved the problem that the yields is low of moulding plastics when setting up elongated hole in long entity, secondly the interlude can adopt the casing, has saved the material, thirdly sets up transparent observation section for the operator can look over the inserted degree of depth.
Drawings
Fig. 1 is a structural view of a first embodiment of the present invention.
Fig. 2 is an exploded view of the first embodiment of the present invention.
Fig. 3 is a plan view of the first embodiment of the present invention.
Fig. 4 is a structural view of a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
First embodiment
As shown in fig. 1-3, the multi-channel interpolation needle holder includes an insertion section 101, an intermediate section 102, and a viewing section 103.
The insertion section comprises a first cylindrical body and a part-spherical body, with one end face of the first cylindrical body being in contact with said part-spherical body. When the vagina is inserted, the spherical surface of the partial spherical body can reduce a part of resistance and does not cause great damage to the guide due to sudden change of the shape.
The part-spherical bodies are preferably spherulites, i.e. each section has a diameter smaller than the diameter of the spherical body.
Thus, the spherical end and cylinder fit style is:
the diameter of the spherical surface of the partial spherical body is larger than or equal to the diameter of the cross section of the cylinder, the diameter of the contact surface of the partial spherical body and the cylinder is smaller than or equal to the diameter of the spherical surface, and the partial spherical body is completely positioned within the cross section of the cylinder when viewed from the other end of the cylinder to one end in contact with the partial spherical body.
A plurality of through holes are formed in the insertion section in parallel with the axis of the first cylinder.
The other end of the insertion section 101 is provided with a first connection portion 104 connected to the intermediate section 102.
The middle section 102 is a second cylinder, both ends of the second cylinder are provided with concave parts, and the concave parts connected with the insertion section 101 are configured into a second connecting part detachably connected with the first connecting part; the recess portion connected to the observation section is configured as a third connection portion symmetrical to a cross section where the second connection portion is located with respect to the axial midpoint position of the intermediate section 102. The middle section is close to the second cylinder outside of observing the section is provided with spacing fender, preferably, spacing fender is oval spacing fender.
A plurality of through holes corresponding to the number of the insertion sections are provided in the solid section 105 between the two recesses in the intermediate section 102.
The observation section 103 is a third cylinder, one end of the third cylinder is provided with a fourth connecting part detachably connected with the third connecting part, and when the insertion section and the observation section are both connected with the middle section, the cross section of the middle section 102 at the midpoint position of the axis of the fourth connecting part and the cross section of the first connecting part are symmetrical.
A plurality of through holes with the same number as the inserting sections are arranged in the observing section.
The observation section is transparent section, is provided with the scale on the periphery, follows as the contact pin when observing the other end of section and inserting, the observation section can look over the inserted degree of depth of contact pin.
The insertion section, intermediate section, and viewing section are configured to: when the first connecting portion of the insertion section with the second connecting portion of interlude are connected, just observe the fourth connecting portion of section with when the third connecting portion of interlude are connected, a plurality of contact pins can follow one by one the through-hole of the other end of observation section is inserted, passes a plurality of through-holes of interlude and a plurality of through-holes of insertion section one by one.
The diameter of the first connecting part 104 is smaller than that of the first cylinder, a convex annular body 107 is arranged on the first connecting part 104, and at least one convex part 106 is arranged on the side surface between the convex annular body and the first cylinder;
at least one groove 107 is formed in the inner wall surface of the second connecting portion, the shape of the groove 107 is consistent with that of the protruding portion, and when the first connecting portion is inserted into the second connecting portion, the protruding portion is matched with the groove, so that the insertion section and the middle section are prevented from rotating mutually.
The third connecting part structure is consistent with the second connecting part structure, and the third connecting part structure is symmetrical to the cross section of the second connecting part structure on the position of the axis midpoint of the middle section.
The fourth connecting part structure is consistent with the first connecting part structure, and the cross section of the fourth connecting part structure is symmetrical to the cross section of the first connecting part structure is.
Preferably, the protrusions and grooves each have 3, and the angle between each protrusion or groove is 120 °.
Preferably, the height of the circular ring body 107 extending out of the first connecting part of the circular ring body 107 is not more than 0.6 mm, and preferably 0.4 mm.
Preferably, the height of the protrusion from the first connection portion is no more than 0.6 mm, preferably 0.4 mm.
Second embodiment
As shown in fig. 4, on the basis of the first embodiment, the middle section is a hollow second cylindrical shell. Thus, when the first connecting part of the insertion section is connected with the second connecting part of the middle section and the fourth connecting part of the observation section is connected with the third connecting part of the middle section, a plurality of contact pins can be inserted into the through holes at the other end of the observation section one by one and pass through the through holes of the insertion section one by one after passing through the hollow middle section.
Through foretell technical scheme, firstly set up the structure of multistage joint formula, solved the problem that the yields is low of moulding plastics when setting up elongated hole in long entity, secondly the interlude can adopt the casing, has saved the material, thirdly sets up transparent observation section for the operator can look over the inserted degree of depth.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A multi-section clamping type multi-channel insertion needle fixer is characterized in that the fixer comprises an insertion section, a middle section and an observation section;
the insertion section comprises a first cylinder and a part-spherical body, and one end surface of the first cylinder is fixedly connected with the part-spherical body; a plurality of through holes parallel to the axis of the first cylinder are formed on the insertion section; the other end of the insertion section is provided with a first connecting part connected with the middle section;
the middle section is a second cylinder, both ends of the second cylinder are provided with concave parts, and the concave parts connected with the insertion section are configured into a second connecting part detachably connected with the first connecting part; the concave part connected with the observation section is configured into a third connecting part which is symmetrical to the cross section of the second connecting part on the axis midpoint position of the middle section; a plurality of through holes with the number consistent with that of the insertion sections are arranged in the solid section between the two concave parts in the middle section;
the observation section is a third cylinder, one end of the third cylinder is provided with a fourth connecting part detachably connected with the third connecting part, and when the insertion section and the observation section are both connected with the middle section, the cross sections of the fourth connecting part and the first connecting part, which are located relative to the axis midpoint position of the middle section, are symmetrical;
a plurality of through holes with the same number as the inserting sections are arranged in the observing section;
the insertion section, intermediate section, and viewing section are configured to: when the first connecting portion of the insertion section with the second connecting portion of interlude are connected, just observe the fourth connecting portion of section with when the third connecting portion of interlude are connected, a plurality of contact pins can follow one by one the through-hole of the other end of observation section is inserted, passes a plurality of through-holes of interlude and a plurality of through-holes of insertion section one by one.
2. The multi-segmented snap-in multichannel implant needle holder according to claim 1, wherein the partially spherical body is a small spherical body, i.e. each cross section has a diameter smaller than the diameter of the spherical body.
3. The multi-segmented clamping-type multi-channel implant needle holder according to claim 2, wherein the spherical diameter of the partially spherical body is greater than or equal to the diameter of the cross section of the cylinder, the diameter of the contact surface of the partially spherical body and the cylinder is less than or equal to the spherical diameter, and the partially spherical body is entirely located within the cross section of the cylinder when viewed from the other end of the cylinder to the end in contact with the partially spherical body.
4. The multi-segment clamping-type multi-channel insertion needle fixer according to claim 1, wherein a limiting stop is arranged on the outer side of the second cylinder of the middle segment close to the observation segment.
5. The multi-segment clamping type multi-channel insertion needle fixer according to claim 1, wherein the observation segment is a transparent segment, and scales are arranged on the periphery of the observation segment.
6. The multi-segment clamping type multi-channel insertion needle fixer according to claim 1, wherein the diameter of the first connecting part is smaller than that of the first cylinder, a convex annular body is arranged on the first connecting part, and at least one convex part is arranged on the side surface between the convex annular body and the first cylinder; at least one groove is formed in the inner wall surface of the second connecting portion, the shape of the groove is consistent with that of the protruding portion, and when the first connecting portion is inserted into the second connecting portion, the protruding portion is matched with the groove.
7. The multi-segment clamping-type multi-channel insertion needle fixer according to claim 6, wherein the third connecting part structure is consistent with the second connecting part structure, and the third connecting part structure and the second connecting part structure are symmetrical about the cross section of the middle segment where the middle point of the axis is located; the fourth connecting part structure is consistent with the first connecting part structure, and the cross section of the fourth connecting part structure is symmetrical to the cross section of the first connecting part structure is.
8. The multi-segmented clamping multichannel implant needle holder according to claim 7, wherein the number of projections and grooves is 3, and the angle between each projection or groove is 120 °.
9. The multi-segment clamping type multi-channel insertion needle fixer according to claim 8, wherein the height of the ring body extending out of the first connecting part where the ring body is located is not more than 0.6 mm; the height of the first connecting part where the protruding part protrudes out of the protruding part is not more than 0.6 mm.
10. The multi-segmented clamped multichannel implant needle holder according to any of claims 1 to 9, wherein the middle segment is replaced with an intermediate segment of an unimorph segment between two recesses, and when the first connection portion of the insertion segment is connected to the second connection portion of the middle segment and the fourth connection portion of the observation segment is connected to the third connection portion of the middle segment, a plurality of insertion needles are inserted one by one from the through holes at the other end of the observation segment, and after passing through the hollow middle segment, pass through the through holes of the insertion segment one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384300.8U CN214485308U (en) | 2020-10-23 | 2020-10-23 | Multi-section clamping type multi-channel insertion needle fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022384300.8U CN214485308U (en) | 2020-10-23 | 2020-10-23 | Multi-section clamping type multi-channel insertion needle fixer |
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| Publication Number | Publication Date |
|---|---|
| CN214485308U true CN214485308U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022384300.8U Active CN214485308U (en) | 2020-10-23 | 2020-10-23 | Multi-section clamping type multi-channel insertion needle fixer |
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| CN (1) | CN214485308U (en) |
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