CN204520792U - A kind of ultrasound guidance breast puncture device - Google Patents
A kind of ultrasound guidance breast puncture device Download PDFInfo
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- CN204520792U CN204520792U CN201520196493.0U CN201520196493U CN204520792U CN 204520792 U CN204520792 U CN 204520792U CN 201520196493 U CN201520196493 U CN 201520196493U CN 204520792 U CN204520792 U CN 204520792U
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- connecting cylinder
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- location division
- ultrasound guidance
- puncture
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Abstract
This utility model provides a kind of ultrasound guidance breast puncture device, belongs to technical field of medical instruments.It solve the problem that existing ultrasonic guiding mammary gland puncture director affects the health of patient.This ultrasound guidance breast puncture device comprises positioning tube and puncture needle, positioning tube comprises location division and holding section, side, location division is fixed with negative tube, location division opposite side has connecting cylinder cylindrically, connecting cylinder is positioned at outside location division and the inner chamber of this connecting cylinder communicates with location division, puncture needle is positioned at connecting cylinder, the front end of puncture needle has sharp point, lead is plugged with in connecting cylinder, connecting cylinder is stretched out in the outer end of lead, the inner of lead offers screwed hole, the rear end in puncture portion is screwed onto in screwed hole, lead can sliding axially along connecting cylinder, the O RunddichtringO making both connect sealing is provided with between lead and connecting cylinder.This ultrasound guidance breast puncture device has working stability and the advantage that can not impact the health of patient.
Description
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of ultrasound guidance breast puncture device.
Background technology
Ultrasound guidance breast puncture is a kind of common mammary gland tumor biopsy means, and samples in the current general mammary gland adopting puncture needle directly to thrust patient.
A kind of ultrasonic guiding mammary gland puncture director [application number: CN 03202358.8 disclosed in Chinese patent storehouse; Authorization Notice No.: CN 2592126 Y, comprises negative pressure suction cup, inserting needle guide holder, probe draw-in groove and negative pressure straw, it is characterized in that: a probe deck is arranged at the top of negative pressure suction cup, probe deck side has a negative pressure-pumping to connect pipe, and the opposite side of probe deck has an inserting needle guide holder; Negative pressure suction cup is in bowl-shape; There is an inserting needle hole at inserting needle guide holder center, has round platform rank in guide holder, step has a circle rubber cushion, in the middle of one, have the guide blot in inserting needle hole to compress.
When above-mentioned ultrasonic guiding mammary gland puncture director uses, first by negative pressure suction cup, mammary gland is fixed, then justify rubber cushion and penetrate in mammary gland sampling by needle pierces.But there is a problem in this puncture gate apparatus: puncture needle there will be part circle rubber cushion and enters in puncture needle in the process piercing through round rubber cushion, and this circle rubber cushion enters in mammary gland under the drive of puncture needle, impacts the health of patient.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of can not impacting the health of patient and the ultrasound guidance breast puncture device of working stability.
The purpose of this utility model realizes by following technical proposal: a kind of ultrasound guidance breast puncture device, comprise positioning tube and the puncture needle in direct rod shape, described positioning tube comprises all tubular location division and the holding section for clamping ultrasonic probe, the side of described location division is fixed with the negative tube communicated with its inner chamber, it is characterized in that, the opposite side of described location division has connecting cylinder cylindrically, connecting cylinder is positioned at outside location division and the inner chamber of this connecting cylinder communicates with location division, described puncture needle is positioned at connecting cylinder and this puncture needle is coaxial with connecting cylinder, the front end of described puncture needle has sharp point, a cylindrical lead is plugged with in described connecting cylinder, the outer end of lead is stretched out described connecting cylinder and is positioned at outside location division, the inner of lead offers screwed hole, the rear end in described puncture portion is screwed onto in described screwed hole, described lead can sliding axially along connecting cylinder, the inner outer rim of this lead offers annular groove, an O RunddichtringO is provided with and the outer peripheral face of an O RunddichtringO and described connecting cylinder medial wall offset in this annular groove.
During use, location division is set on mammary gland, and ultrasonic probe is connected in holding section and also partly extend in location division; Negative tube is connected with air extractor and carries out evacuation to location division, mammary gland is entered into completely to contact in location division and with ultrasonic probe to show the image of mammary gland, then make lead to connecting cylinder inner slide and drive puncture needle to be inserted in mammary gland to sample by external force.
Connection is between the two made to remain sealing by arranging an O RunddichtringO between lead and connecting cylinder, ensureing to carry out location division under the prerequisite that evacuation can complete swimmingly, effectively prevent puncture needle to contact with an O RunddichtringO, need first to pierce through round rubber cushion relative to puncture needle in prior art just can penetrate in mammary gland, effectively avoid and the health of patient is impacted.The O RunddichtringO reclined mutually by the medial wall of the lateral wall with connecting cylinder that arrange lead and be positioned in groove and connecting cylinder are offseted, guide effect is played to the movement of lead, puncture needle is stably thrust in mammary gland, improve the stability during work of this ultrasound guidance breast puncture device, reduce again the misery that patient bears in piercing process simultaneously.
In above-mentioned ultrasound guidance breast puncture device, the medial wall of described connecting cylinder offers locating slot in the form of a ring, be provided with the 2nd O RunddichtringO in described locating slot, inner peripheral surface and the described lead sidewall of the 2nd O RunddichtringO offset.
By arranging the 2nd O RunddichtringO between lead and connecting cylinder, 2nd O RunddichtringO and an O RunddichtringO coordinate the dynamic and static sealing of formation, lead is made to keep sealing all the time and between connecting cylinder in sliding process, thus avoid gas to enter in location division mammary gland generation effect of jitter is sampled, thus stability when improve the work of this sting device.
In above-mentioned ultrasound guidance breast puncture device, described connecting cylinder and positioning tube are made of one piece by same material.
Namely connecting cylinder and positioning tube are integral type structure, add the sealing that both connect, thus stability when improve the work of this sting device.
In above-mentioned ultrasound guidance breast puncture device, described locating slot is positioned on the medial wall of connecting cylinder port.
Adopt above-mentioned structure, the distance of the one O RunddichtringO and the 2nd O RunddichtringO is maximized, enter into time in location division to extend gas, thus when being reduced in work further, gas enters into the probability in location division, improve the stability during work of this sting device.
In above-mentioned ultrasound guidance breast puncture device, the sidewall of described lead offers some recesses.
By arranging some recesses, to increase the degree of roughness of lead, strengthen the friction between lead and user, puncture needle is more stably penetrated in mammary gland, improve the stability during work of this sting device, reduce again the misery that patient bears in piercing process simultaneously.
Compared with prior art, this ultrasound guidance breast puncture device has the following advantages:
1, connection is between the two made to remain sealing by arranging an O RunddichtringO between lead and connecting cylinder, ensureing to carry out location division under the prerequisite that evacuation can complete swimmingly, effectively prevent puncture needle to contact with an O RunddichtringO, need first to pierce through round rubber cushion relative to puncture needle in prior art just can penetrate in mammary gland, effectively avoid and the health of patient is impacted.
2, the 2nd O RunddichtringO and an O RunddichtringO coordinate the dynamic and static sealing of formation, lead is made to keep sealing all the time and between connecting cylinder in sliding process, thus avoid gas to enter in location division mammary gland generation effect of jitter is sampled, thus stability when improve the work of this sting device.
3, locating slot is positioned on the medial wall of connecting cylinder port, the distance of the one O RunddichtringO and the 2nd O RunddichtringO is maximized, time in location division is entered into extend gas, thus gas enters into the probability in location division when being reduced in work further, improve the stability during work of this sting device.
4, by arranging some recesses on lead sidewall, to increase the degree of roughness of lead, strengthen the friction between lead and user, puncture needle is more stably penetrated in mammary gland, improve the stability during work of this sting device, reduce again the misery that patient bears in piercing process simultaneously.
5, to be reclined mutually by the medial wall of the lateral wall with connecting cylinder that arrange lead and the O RunddichtringO that is positioned in groove and connecting cylinder offset, guide effect is played to the movement of lead, puncture needle is stably thrust in mammary gland, improve the stability during work of this ultrasound guidance breast puncture device, reduce again the misery that patient bears in piercing process simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of ultrasound guidance breast puncture device.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
Fig. 3 is the structure for amplifying schematic diagram at B place in Fig. 2.
In figure, 1, positioning tube; 1a, location division; 1b, holding section; 2, lead; 2a, recess; 3, puncture needle; 3a, sharp point; 4, negative tube; 5, ultrasonic probe; 6, connecting cylinder; 7, an O RunddichtringO; 8, the 2nd O RunddichtringO; 9, mammary gland.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiments.
As shown in Figure 1, this ultrasound guidance mammary gland 9 sting device is made up of positioning tube 1, lead 2, puncture needle 3, negative tube 4 etc.
Wherein, positioning tube 1 comprises all tubular location division 1a and holding section 1b and both are coaxial.1b medial wall, holding section and ultrasonic probe 5 match, and in use, ultrasonic probe 5 is connected in the 1b of holding section and also partly extend in the 1a of location division.The medial wall of location division 1a is curved, and 1a side, location division is fixed with the negative tube 4 of its intracavity inter-connection and this negative tube 4 is positioned at the outside of location division 1a.
The opposite side of location division 1a has connecting cylinder 6 cylindrically, and this connecting cylinder 6 is positioned at outside the 1a of location division and the inner chamber of this connecting cylinder 6 communicates with location division 1a.In the present embodiment, connecting cylinder 6 and positioning tube 1 are made of one piece by same material, and namely connecting cylinder 6 and positioning tube 1 are integral type structure, add the sealing that both connect.Preferred orientation cylinder 1 is made up of stainless steel material, and namely connecting cylinder 6 is also made up of stainless steel material.
Lead 2 is cylindric and is plugged in connecting cylinder 6, and now, the lateral wall of lead 2 reclines mutually with the medial wall of connecting cylinder 6.The outer end of lead 2 is stretched out connecting cylinder 6 and is positioned at outside the 1a of location division.The inner face of lead 2 is provided with screwed hole.Puncture needle 3 is direct rod shape and is positioned at connecting cylinder 6.As shown in Figure 1, puncture needle 3 is coaxial with connecting cylinder 6, and namely puncture needle 3 can extend in the 1a of location division.The front end of this puncture needle 3 has sharp point 3a, and the rear end of this puncture needle 3 is screwed onto in screwed hole.Further illustrate, lead 2 can sliding axially along connecting cylinder 6, to realize the object driving puncture needle 3 to slide.As depicted in figs. 1 and 2, the inner outer rim of lead 2 offers annular groove, be provided with an O RunddichtringO 7 in this annular groove and the outer peripheral face of an O RunddichtringO 7 and described connecting cylinder 6 medial wall offset; As shown in figures 1 and 3, the medial wall of connecting cylinder 6 offers locating slot in the form of a ring, the inner peripheral surface and lead 2 sidewall that are provided with the 2nd O RunddichtringO the 8, two O RunddichtringO 8 in locating slot offset.2nd O RunddichtringO 8 and an O RunddichtringO 7 coordinate the dynamic and static sealing of formation, lead 2 is made to keep sealing all the time and between connecting cylinder 6 in sliding process, thus avoid gas to enter in the 1a of location division making mammary gland 9 that effect of jitter sampling occurs, thus stability when improve the work of this sting device.
Further optimization, as shown in Figure 3, locating slot is positioned on the medial wall of connecting cylinder 6 port, the distance of the one O RunddichtringO 7 and the 2nd O RunddichtringO 8 is maximized, time in the 1a of location division is entered into extend gas, thus gas enters into the probability in the 1a of location division when being reduced in work further, improve the stability during work of this sting device.In the present embodiment, as shown in figures 1 and 3, the sidewall of lead 2 offers some recess 2a.
During use, location division 1a is set on mammary gland 9, and ultrasonic probe 5 is connected in the 1b of holding section and also partly extend in the 1a of location division; Negative tube 4 is connected with air extractor and carries out evacuation to location division 1a, mammary gland 9 is entered into completely under the effect of negative pressure to contact in the 1a of location division and with ultrasonic probe 5 to show the image of mammary gland 9, then make lead 2 drive puncture needle 3 to be inserted in mammary gland 9 to connecting cylinder 6 inner slide by external force and sample.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. a ultrasound guidance breast puncture device, comprise positioning tube and the puncture needle in direct rod shape, described positioning tube comprises all tubular location division and the holding section for clamping ultrasonic probe, the side of described location division is fixed with the negative tube communicated with its inner chamber, it is characterized in that, the opposite side of described location division has connecting cylinder cylindrically, connecting cylinder is positioned at outside location division and the inner chamber of this connecting cylinder communicates with location division, described puncture needle is positioned at connecting cylinder and this puncture needle is coaxial with connecting cylinder, the front end of described puncture needle has sharp point, a cylindrical lead is plugged with in described connecting cylinder, the outer end of lead is stretched out described connecting cylinder and is positioned at outside location division, the inner of lead offers screwed hole, the rear end in described puncture portion is screwed onto in described screwed hole, described lead can sliding axially along connecting cylinder, the inner outer rim of this lead offers annular groove, an O RunddichtringO is provided with and the outer peripheral face of an O RunddichtringO and described connecting cylinder medial wall offset in this annular groove.
2. ultrasound guidance breast puncture device according to claim 1, it is characterized in that, the medial wall of described connecting cylinder offers locating slot in the form of a ring, be provided with the 2nd O RunddichtringO in described locating slot, inner peripheral surface and the described lead sidewall of the 2nd O RunddichtringO offset.
3. ultrasound guidance breast puncture device according to claim 1, it is characterized in that, described connecting cylinder and positioning tube are made of one piece by same material.
4. ultrasound guidance breast puncture device according to claim 2, it is characterized in that, described locating slot is positioned on the medial wall of connecting cylinder port.
5. ultrasound guidance breast puncture device according to claim 1, is characterized in that, the sidewall of described lead offers some recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196493.0U CN204520792U (en) | 2015-04-02 | 2015-04-02 | A kind of ultrasound guidance breast puncture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196493.0U CN204520792U (en) | 2015-04-02 | 2015-04-02 | A kind of ultrasound guidance breast puncture device |
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| Publication Number | Publication Date |
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| CN204520792U true CN204520792U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520196493.0U Expired - Fee Related CN204520792U (en) | 2015-04-02 | 2015-04-02 | A kind of ultrasound guidance breast puncture device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174317A (en) * | 2017-05-22 | 2017-09-19 | 太和县人民医院 | A kind of ultrasonic guiding mammary gland puncture director |
| CN108742724A (en) * | 2018-07-06 | 2018-11-06 | 芜湖明凯医疗器械科技有限公司 | A kind of ultrasound guidance breast puncture device |
| CN109077783A (en) * | 2018-07-06 | 2018-12-25 | 芜湖明凯医疗器械科技有限公司 | A kind of ultrasound guidance breast puncture device |
| CN110432996A (en) * | 2019-08-29 | 2019-11-12 | 南宁市疏微医学研究有限公司 | A kind of positioner for intracranial hematoma puncture and its localization method |
-
2015
- 2015-04-02 CN CN201520196493.0U patent/CN204520792U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174317A (en) * | 2017-05-22 | 2017-09-19 | 太和县人民医院 | A kind of ultrasonic guiding mammary gland puncture director |
| CN107174317B (en) * | 2017-05-22 | 2023-03-03 | 太和县人民医院 | Ultrasonic-guided mammary gland puncture guider |
| CN108742724A (en) * | 2018-07-06 | 2018-11-06 | 芜湖明凯医疗器械科技有限公司 | A kind of ultrasound guidance breast puncture device |
| CN109077783A (en) * | 2018-07-06 | 2018-12-25 | 芜湖明凯医疗器械科技有限公司 | A kind of ultrasound guidance breast puncture device |
| CN110432996A (en) * | 2019-08-29 | 2019-11-12 | 南宁市疏微医学研究有限公司 | A kind of positioner for intracranial hematoma puncture and its localization method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20170402 |