CN215534883U - Puncture outfit - Google Patents
Puncture outfit Download PDFInfo
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- CN215534883U CN215534883U CN202122019563.3U CN202122019563U CN215534883U CN 215534883 U CN215534883 U CN 215534883U CN 202122019563 U CN202122019563 U CN 202122019563U CN 215534883 U CN215534883 U CN 215534883U
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- puncture
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- instrument according
- sleeve
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Abstract
The utility model discloses a puncture outfit, which comprises a puncture outfit head and a sleeve, wherein the sleeve is arranged below the puncture outfit head, one end of the sleeve is provided with a puncture part which is integrally formed with the sleeve, one end of the puncture part is provided with a first arc transition section and a second arc transition section which is positioned below the first arc transition section, the end parts of the first arc transition section and the second arc transition section are connected, so that the opening area of the puncture part is increased, the arc angle of the second arc transition section is larger than that of the first arc transition section, so that the other end of the puncture part gradually extends to be horizontal, and when the puncture part extends into a human body, a secondary crack can not be generated on the human body, so that the secondary injury on the human body is reduced.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a puncture outfit.
Background
The prior medical puncture outfit applied to collecting living tissues and injecting medicaments has various defects, particularly used for thyroid operations through oral cavity, the subcutaneous tissue of the thyroid part of a human body is thin, the movement space is limited, and the prior puncture outfit can not separate the fascia layer well, so that the visual field is limited. The main points are as follows: the opening range of the opening end of the puncture outfit is too small, which may cause the collecting area of the living body to be too small when in use, resulting in difficult collection; the opening of the opening end of the puncture outfit is in a bevel face shape, which may cause secondary damage to human body when in use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a puncture outfit which can effectively enlarge the opening range of the opening end of the puncture outfit, is convenient for medical personnel to use and ensures that the medical personnel can obtain larger operation space.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a puncture device comprises
A piercer head;
a cannula disposed below the piercer head;
the sleeve comprises a fixed section and a puncture section which are integrally formed, wherein one position of an opening end of the puncture section extends towards the fixed section and is cut off to form a long-row incision.
Compared with the prior art, the puncture outfit comprises a puncture outfit head and a sleeve, wherein the sleeve is arranged below the puncture outfit head and comprises a fixed section and a puncture section which are integrally formed, one position of an opening end of the puncture section extends towards the fixed section and is cut off to form a long-line incision, so that the opening area of the sleeve is increased, the puncture section is used for enabling medical personnel to easily puncture subcutaneous tissues of a human body, and after the puncture section is completely deep, the fixed section of the sleeve can jack up a wound of the skin to be matched with the long-line incision of the puncture section, so that a larger operation space is obtained.
Further, the length of the long-line incision is equivalent to that of the puncture section, and one end of the long-line incision is close to the fixing section.
Furthermore, one end of the puncture section, which is close to the fixed section, is provided with a first arc transition, and the first arc transition is gradually increased in slope and is integrally formed with the fixed section.
Furthermore, one end of the puncture section, which is far away from the fixed section, is provided with a third arc transition section; and is
The height of the third arc-shaped transition gradually decreases along the extension direction of the third arc-shaped transition.
Furthermore, the periphery wall of the fixed section is provided with a plurality of layers of protruding parts which are integrally arranged in a thread shape.
Further, the puncture device head includes:
the shell is hollow, and a through hole for a surgical instrument to enter is formed in the shell;
the sleeve is integrally formed at the bottom of the shell, and the sleeve is communicated with the through hole.
Furthermore, a ring column is arranged in the shell, and a groove is formed between the ring column and the shell;
the shell is also internally provided with a one-way valve, and the upper edge of the one-way valve is provided with a buckling edge;
the one-way valve can be installed in the through hole by buckling the brim in the groove.
Furthermore, after the one-way valve is installed in the through hole, a first interval is formed between the buckling edge and the shell;
the shell is also provided with a sealing ring, and the edge of the sealing ring extends downwards to form a clamping ring;
the snap ring can be disposed within the first space after the seal ring is disposed on the top of the housing.
Furthermore, a sealing ring is arranged at the opening at the top of the one-way valve.
Further, the puncture outfit also comprises an air injection device;
the head of the puncture outfit is provided with a second opening;
the gas injection device is arranged in the second opening and is installed.
For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a sectional view showing the structure of a puncture instrument in this embodiment;
FIG. 2 is a perspective view showing the structure of the puncture instrument in the present embodiment;
fig. 3 is a schematic diagram of the structure at a in fig. 1.
Detailed Description
In order to better illustrate the utility model, the utility model is described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application 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. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The medical puncture outfit which is applied to the collection of living tissues and the injection of medicines at present has various defects which are mainly shown in the following aspects: the opening range of the opening end of the puncture outfit is too small, which may cause the living body collecting area to be too small when in use, thus leading to difficult collection; the opening of the opening end of the puncture outfit is in a bevel face shape, which may cause secondary damage to human body when in use.
Therefore, the technical problem solved by the utility model is how to increase the size of the opening end of the puncture part and reduce the secondary injury.
As shown in fig. 1 to 2, a puncture instrument comprises a puncture instrument head 1 and a cannula 2, wherein the cannula 2 is arranged below the puncture instrument head 1;
the cannula 2 comprises a fixed section 21 and a puncturing section 22 which are integrally formed, wherein one position of an opening end of the puncturing section 22 extends towards the fixed section 21 and is cut off to form a long-row notch 221.
The puncture outfit in the embodiment comprises a puncture outfit head 1 and a sleeve 2, wherein the sleeve 2 is arranged below the puncture outfit head 1, the sleeve 2 comprises a fixed section 21 and a puncture section 22 which are integrally formed, one position of an opening end of the puncture section 22 extends towards the fixed section 21 and is cut off to form a long incision 221, so that the opening area of the sleeve is increased, the puncture section 22 is used for enabling medical personnel to easily puncture subcutaneous tissues of a human body, and after the puncture section 22 is completely deep, the fixed section 21 of the sleeve 2 can jack up a wound on the skin to be matched with the long incision 221 of the puncture section 22, so that a larger operation space is obtained.
In this embodiment, as shown in fig. 1, the length of the long row of slits 221 is equivalent to the length of the piercing section 22, and one end of the long row of slits 221 abuts against the fixing section 21, so that the opening area of the piercing section 22 is sufficiently large.
In addition, in the present embodiment, as shown in fig. 1, one end of the piercing section 2 close to the fixed section 21 has a first arc transition 2201, and the first arc transition 2201 is integrally formed with the fixed section 21 with a gradually increasing slope.
When the puncture section 22 of the puncture outfit is deeply converted into the fixing section 21, in order to avoid causing secondary injury to the patient, the first arc transition 2201 gradually increases in slope, and gradually transitions until the fixing section 21 is deeply formed, so that secondary tearing of the wound of the patient can be reduced compared with manual flaring.
In this embodiment, as shown in fig. 1, in order to facilitate the medical staff to penetrate into the human body, an end of the penetrating segment 22 away from the fixed segment 21 has a third arc-shaped transition segment 2202; and the height of said third curved transition 2202 decreases gradually along the extension of said third curved transition 202.
In the present embodiment, as shown in fig. 1 to 2, in order to prevent the puncture device from slipping after puncturing, the outer peripheral wall of the fixing segment 21 has a plurality of layers of protrusions 211, and the plurality of layers of protrusions 211 are integrally provided in a screw shape.
In the present embodiment, as shown in fig. 1 to 3, the piercer head 1 includes:
a housing 11, wherein a through hole 111 for the surgical instrument to enter is formed in the interior of the housing 11;
the sleeve 2 is integrally formed at the bottom of the housing 11, and the sleeve 2 is communicated with the through hole 111.
The through hole 111 can be used as a passage for medical staff to collect living tissue, inject medicine or extend into a camera device in cooperation with the cannula 2.
In this embodiment, as shown in fig. 3, a ring column 112 is disposed in the housing 11, and a groove 113 is formed between the ring column 112 and the housing 11;
a one-way valve 12 is further arranged in the shell 11, and a buckling edge 121 is arranged on the upper edge of the one-way valve 12;
the check valve 12 can be installed in the through hole 111 by buckling the buckling edge 121 in the groove 113, and the check valve 12 is installed inside the housing 11, so that the medical staff is prevented from touching and changing the position of the check valve 12 when in use, and the function of the check valve 12 is not effective.
Wherein the check valve 12 serves to prevent gas inside the casing 2 from leaking to the outside through the valve 11.
In the present embodiment, it is preferable that the check valve 12 has a cylindrical groove shape, and the bottom of the check valve 12 has a first opening (not shown) having a cross shape.
Taking a long tube for injecting medicine as an example, when the long tube passes through the check valve 12, the first opening (not shown) in the shape of a cross is spread, and the long tube is tightly attached to the first opening (not shown) as the long tube extends into the sleeve, so that the gas in the sleeve 2 is prevented from leaking to the outside through the check valve 11.
In this embodiment, as shown in fig. 3, after the check valve 12 is installed in the through hole 111, the fastening edge 121 and the housing 11 have a first space 122 therebetween;
the shell 11 is further provided with a sealing ring 13, and the edge of the sealing ring 13 extends downwards to form a clamping ring;
the snap ring can be placed in the first space 122 after the sealing ring 13 is placed on top of the housing 11.
The sealing ring 13 is used to seal the top end of the housing 11, and in addition, after the snap ring is placed in the first space 122, the space for movement of the check valve 12 in the horizontal direction is limited, and at the same time, the sealing ring 13 is engaged to limit the movement of the check valve 12 in the longitudinal direction, so that the check valve 12 is stably installed in the housing 11.
In this embodiment, as shown in fig. 3, a sealing ring 14 is provided at the top opening of the one-way valve 12, and the sealing ring 14 is used for sealing the outer wall of the instrument against the sealing ring 14 after the instrument is inserted, so as to prevent the gas in the cannula 2 from leaking outside.
Preferably, the inner peripheral wall of the sealing ring 14 extends inwards and obliquely to form an inverted trapezoidal cylindrical opening, which is used for preventing the sealing ring 14 from excessively deforming to cause air leakage when an instrument is inserted and withdrawn back and forth in the puncture outfit.
In the present embodiment, as shown in fig. 1 to fig. 2, the puncture outfit further includes an air injection device 3, the air injection device 3 is used for discharging air to the outside, the head 1 of the puncture outfit is opened with a second opening 31, the second opening 31 is located on the housing 11, and the air injection device 3 is installed in the second opening 31.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A puncture device is characterized by comprising
A piercer head;
a cannula disposed below the piercer head;
the sleeve comprises a fixed section and a puncture section which are integrally formed, wherein one position of an opening end of the puncture section extends towards the fixed section and is cut off to form a long-row incision.
2. The puncture instrument according to claim 1,
the length of the long-line incision is equivalent to that of the puncture section, and one end of the long-line incision is close to the fixing section.
3. The puncture instrument according to claim 1,
one end of the puncture section, which is close to the fixed section, is provided with a first arc transition, and the first arc transition is gradually increased in slope and integrally formed with the fixed section.
4. The puncture instrument according to claim 1,
one end of the puncture section, which is far away from the fixed section, is provided with a third arc transition section; and is
The height of the third arc-shaped transition gradually decreases along the extension direction of the third arc-shaped transition.
5. The puncture instrument according to claim 1,
the periphery wall of the fixed section is provided with a plurality of layers of protruding parts which are integrally arranged in a thread shape.
6. The puncture instrument according to claim 1,
the puncture device head includes:
the shell is hollow, and a through hole for a surgical instrument to enter is formed in the shell;
the sleeve is integrally formed at the bottom of the shell, and the sleeve is communicated with the through hole.
7. A puncture instrument according to claim 6,
a ring column is arranged in the shell, and a groove is formed between the ring column and the shell;
the shell is also internally provided with a one-way valve, and the upper edge of the one-way valve is provided with a buckling edge;
the one-way valve can be installed in the through hole by buckling the brim in the groove.
8. A puncture instrument according to claim 7,
after the one-way valve is installed in the through hole, a first interval is formed between the buckling edge and the shell;
the shell is also provided with a sealing ring, and the edge of the sealing ring extends downwards to form a clamping ring;
the snap ring can be disposed within the first space after the seal ring is disposed on the top of the housing.
9. A puncture instrument according to claim 7,
and a sealing ring is arranged at the opening at the top of the one-way valve.
10. The puncture instrument according to claim 1,
the puncture outfit also comprises a gas injection device;
the head of the puncture outfit is provided with a second opening;
the gas injection device is arranged in the second opening and is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019563.3U CN215534883U (en) | 2021-08-25 | 2021-08-25 | Puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019563.3U CN215534883U (en) | 2021-08-25 | 2021-08-25 | Puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215534883U true CN215534883U (en) | 2022-01-18 |
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ID=79842133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122019563.3U Active CN215534883U (en) | 2021-08-25 | 2021-08-25 | Puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215534883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545832A (en) * | 2021-09-18 | 2021-10-26 | 中山市瑞隆医疗科技有限公司 | Puncture outfit |
-
2021
- 2021-08-25 CN CN202122019563.3U patent/CN215534883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545832A (en) * | 2021-09-18 | 2021-10-26 | 中山市瑞隆医疗科技有限公司 | Puncture outfit |
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