CN209847244U - A transperineal prostate puncture and expansion needle - Google Patents
A transperineal prostate puncture and expansion needle Download PDFInfo
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- CN209847244U CN209847244U CN201822042376.5U CN201822042376U CN209847244U CN 209847244 U CN209847244 U CN 209847244U CN 201822042376 U CN201822042376 U CN 201822042376U CN 209847244 U CN209847244 U CN 209847244U
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- 210000002307 prostate Anatomy 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000001574 biopsy Methods 0.000 abstract description 5
- 230000035515 penetration Effects 0.000 abstract description 4
- 206010018852 Haematoma Diseases 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 210000002640 perineum Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 206010060862 Prostate cancer Diseases 0.000 description 4
- 208000000236 Prostatic Neoplasms Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010034520 Perineal haematoma Diseases 0.000 description 2
- 206010066876 Perineal infection Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007920 subcutaneous administration Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 229920002529 medical grade silicone Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
本实用新型公开了一种经会阴前列腺穿刺扩皮针，包括针芯，所述针芯的上端一体化式连接有针尖，所述针尖的倾斜面开设有针孔，所述针芯的下端固定连接有针座，所述针鞘的下端固定连接有连接座，所述连接座的下端与针座的上端贴合连接，所述连接座的下端固定安装有卡块，所述卡块卡合在卡槽内部。该经会阴前列腺穿刺扩皮针，在针芯的外侧设置有一个针鞘，且针鞘的内壁与针芯的外壁无缝贴合连接，针芯进入皮肤之后，把针鞘一同带入到皮肤内，然后再拔出针芯，通过针鞘上的刻度尺能够观察针芯刺入的深度，然后再利用自动活检枪通过针鞘插入到皮肤内，降低对皮肤的穿刺次数，减轻对会阴皮肤的损伤，降低血肿及感染的发生率，减缓患者的疼痛。
The utility model discloses a skin-expanding needle for puncturing the prostate through the perineum. A needle base is connected, the lower end of the needle sheath is fixedly connected with a connecting seat, the lower end of the connecting seat is connected to the upper end of the needle base, and the lower end of the connecting seat is fixedly equipped with a clamping block, and the clamping block engages Inside the card slot. The transperineal prostate puncture skin expansion needle has a needle sheath on the outside of the needle core, and the inner wall of the needle sheath is seamlessly connected with the outer wall of the needle core. After the needle core enters the skin, the needle sheath is brought into the skin together. Then pull out the needle core, observe the penetration depth of the needle core through the scale on the needle sheath, and then use the automatic biopsy gun to insert into the skin through the needle sheath to reduce the number of skin punctures and reduce the impact on the perineal skin. reduce the incidence of hematoma and infection, and relieve the pain of patients.
Description
技术领域technical field
本实用新型涉及医疗设备技术领域，具体为一种经会阴前列腺穿刺扩皮针。The utility model relates to the technical field of medical equipment, in particular to a perineal prostate puncture and expansion needle.
背景技术Background technique
经会阴模板定位下前列腺穿刺活检，因其具有穿刺阳性率高，安全性好，穿刺点分布均匀，能够穿刺到外周带等前列腺癌高发区等优点，已经成为临床上确诊前列腺癌最常用的方法之一。Prostate biopsy under perineal template positioning has become the most commonly used method for clinical diagnosis of prostate cancer because of its high positive rate of puncture, good safety, uniform distribution of puncture points, and ability to puncture into high-incidence areas of prostate cancer such as the peripheral zone. one.
但是现如今的穿刺方法仍然存在着一些不足之处，穿刺时需经过皮肤、皮下各层，因此与经直肠穿刺相比会增加患者的痛苦，而且为提高前列腺癌的检出率需要获得更多的活检样本，从而增加前列腺穿刺针数，导致叠加性疼痛，使疼痛增加，另外，穿刺针数增加也会增加对会阴皮肤的损害，使会阴血肿及感染的风险增加。However, the current puncture method still has some disadvantages. It needs to pass through the skin and subcutaneous layers during puncture, so compared with transrectal puncture, it will increase the pain of the patient, and it is necessary to obtain more in order to improve the detection rate of prostate cancer. In addition, the increase in the number of puncture needles will also increase the damage to the perineal skin, increasing the risk of perineal hematoma and infection.
实用新型内容Utility model content
本实用新型的目的在于提供一种经会阴前列腺穿刺扩皮针，以解决上述背景技术中提出穿刺时需经过皮肤、皮下各层，因此与经直肠穿刺相比会增加患者的痛苦，而且为提高前列腺癌的检出率需要获得更多的活检样本，从而增加前列腺穿刺针数，导致叠加性疼痛，使疼痛增加，另外，穿刺针数增加也会增加对会阴皮肤的损害，使会阴血肿及感染的风险增加的问题。The purpose of this utility model is to provide a kind of perineal prostate puncture skin expanding needle, to solve the above-mentioned background technology that the puncture needs to pass through the skin and subcutaneous layers, so compared with the transrectal puncture, the pain of the patient will be increased, and to improve the The detection rate of prostate cancer needs to obtain more biopsy samples, thereby increasing the number of prostate puncture needles, resulting in superimposed pain and increasing pain. In addition, the increase in the number of puncture needles will also increase the damage to the perineal skin, causing perineal hematoma and infection. problems of increased risk.
为实现上述目的，本实用新型提供如下技术方案：一种经会阴前列腺穿刺扩皮针，包括针芯，所述针芯的上端一体化式连接有针尖，所述针尖的倾斜面开设有针孔，所述针芯的下端固定连接有针座，所述针座的外侧开设有防滑螺纹，所述针座外圈的上侧固定连接有连接块，所述连接块的上端开设有卡槽，所述针芯的外部贴合连接有针鞘，所述针鞘的外侧固定设置有刻度尺，所述针鞘的下端固定连接有连接座，所述连接座的下端与针座的上端贴合连接，所述连接座的下端固定安装有卡块，所述卡块卡合在卡槽内部。In order to achieve the above purpose, the utility model provides the following technical solutions: a transperineal prostate puncture skin expansion needle, including a needle core, the upper end of the needle core is integrally connected with a needle point, and the inclined surface of the needle point is provided with a needle hole , the lower end of the needle core is fixedly connected with a needle holder, the outer side of the needle holder is provided with an anti-slip thread, the upper side of the outer ring of the needle holder is fixedly connected with a connecting block, and the upper end of the connecting block is provided with a card slot, The outside of the needle core is fitted with a needle sheath, the outer side of the needle sheath is fixedly provided with a scale, the lower end of the needle sheath is fixedly connected with a connecting seat, and the lower end of the connecting seat is attached to the upper end of the needle seat connected, the lower end of the connecting seat is fixedly equipped with a clamping block, and the clamping block is clamped inside the clamping groove.
优选的，所述针尖完全裸露在针鞘的外部，针尖设计为楔形，且针鞘的内壁与针芯的外壁无缝贴合连接。Preferably, the needle point is completely exposed on the outside of the needle sheath, the needle point is designed in a wedge shape, and the inner wall of the needle sheath is seamlessly connected to the outer wall of the needle core.
优选的，所述针座设计为圆柱体结构，接针座的外侧等间距纵向开设有防滑螺纹。Preferably, the needle holder is designed as a cylindrical structure, and the outside of the needle holder is longitudinally provided with non-slip threads at equal intervals.
优选的，所述卡块的上半部分设计为圆柱体结构，下半部分设计为半圆体结构，且卡块下半部分的直径大于上半部分的直径，并且卡块等间距设置有四个位于连接座的下端。Preferably, the upper half of the clamping block is designed as a cylindrical structure, the lower half is designed as a semicircular structure, and the diameter of the lower half of the clamping block is larger than the diameter of the upper half, and four clamping blocks are arranged at equal intervals Located at the lower end of the connecting seat.
优选的，所述连接块为医用硅胶材质制作，且连接块内部卡槽的形状与卡块的形状相同，并且连接块与卡槽一一对应。Preferably, the connection block is made of medical silicone material, and the shape of the slot inside the connection block is the same as that of the block, and the connection block corresponds to the slot one by one.
优选的，所述刻度尺的长度小于针鞘的长度，且针鞘的表面与刻度尺位于同一平面。Preferably, the length of the scale is smaller than the length of the needle sheath, and the surface of the needle sheath is on the same plane as the scale.
与现有技术相比，本实用新型的有益效果是：该经会阴前列腺穿刺扩皮针，在针芯的外侧设置有一个针鞘，针尖完全裸露在针鞘的外部，针尖设计为楔形，楔形的针尖有利于刺透皮肤，且针鞘的内壁与针芯的外壁无缝贴合连接，针芯进入皮肤之后，把针鞘一同带入到皮肤内，然后再拔出针芯，通过针鞘上的刻度尺能够观察针芯刺入的深度，然后再利用自动活检枪通过针鞘插入到皮肤内，降低对皮肤的穿刺次数，减轻对会阴皮肤的损伤，降低血肿及感染的发生率，减缓患者的疼痛，其中针鞘和针座通过卡块和卡槽卡合连接，卡块的上半部分设计为圆柱体结构，下半部分设计为半圆体结构，且卡块下半部分的直径大于上半部分的直径，并且卡块等间距设置有四个位于连接座的下端，拉动针座即可使卡块从卡槽内脱离。Compared with the prior art, the beneficial effect of the utility model is that: the transperineal prostate puncture skin expanding needle is provided with a needle sheath on the outside of the needle core, the needle point is completely exposed outside the needle sheath, and the needle point is designed to be wedge-shaped, wedge-shaped The needle tip is conducive to piercing the skin, and the inner wall of the needle sheath is seamlessly connected with the outer wall of the needle core. The scale on the top can observe the penetration depth of the needle core, and then use the automatic biopsy gun to insert into the skin through the needle sheath, reduce the number of skin punctures, reduce the damage to the perineal skin, reduce the incidence of hematoma and infection, and slow down The pain of the patient, wherein the needle sheath and the needle seat are connected through the clamping block and the clamping groove. The upper part of the clamping block is designed as a cylindrical structure, and the lower part is designed as a semicircular structure, and the diameter of the lower part of the clamping block is larger than The diameter of the upper part, and four clamping blocks are equidistantly arranged at the lower end of the connecting seat, and the clamping blocks can be disengaged from the clamping slot by pulling the needle seat.
附图说明Description of drawings
图1为本实用新型剖视结构示意图；Fig. 1 is the utility model sectional structure schematic diagram;
图2为本实用新型拆分结构示意图一；Fig. 2 is a schematic diagram of a split structure of the utility model;
图3为本实用新型拆分结构示意图二；Fig. 3 is the utility model split structure schematic diagram II;
图4为本实用新型A处放大结构示意图；Fig. 4 is the schematic diagram of enlarged structure at A place of the utility model;
图5为本实用新型连接块和卡块结构示意图；Fig. 5 is a structural schematic diagram of the connecting block and the clamping block of the present invention;
图6为本实用新型连接块和卡块剖视结构示意图。Fig. 6 is a schematic cross-sectional structure diagram of the connecting block and the clamping block of the present invention.
图中：1、针芯；2、针尖；3、针孔；4、针座；5、防滑螺纹；6、连接块；7、卡槽；8、针鞘；9、连接座；10、卡块；11、刻度尺。In the figure: 1. Needle core; 2. Needle tip; 3. Needle hole; 4. Needle holder; 5. Anti-slip thread; 6. Connection block; 7. Card slot; 8. Needle sheath; block; 11, scale.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1-6，本实用新型提供一种技术方案：一种经会阴前列腺穿刺扩皮针，包括针芯1、针尖2、针孔3、针座4、防滑螺纹5、连接块6、卡槽7、针鞘8、连接座9、卡块10和刻度尺11，针芯1的上端一体化式连接有针尖2，针尖2的倾斜面开设有针孔3，针芯1的下端固定连接有针座4，针座4的外侧开设有防滑螺纹5，针座4外圈的上侧固定连接有连接块6，连接块6的上端开设有卡槽7，针芯1的外部贴合连接有针鞘8，针鞘8的外侧固定设置有刻度尺11，针鞘8的下端固定连接有连接座9，连接座9的下端与针座4的上端贴合连接，连接座9的下端固定安装有卡块10，卡块10卡合在卡槽7内部。Please refer to Figures 1-6, the utility model provides a technical solution: a perineal prostate puncture skin expansion needle, including a needle core 1, a needle tip 2, a needle hole 3, a needle seat 4, an anti-slip thread 5, a connecting block 6, Card slot 7, needle sheath 8, connecting seat 9, clamp block 10 and scale 11, the upper end of needle core 1 is connected with needle point 2 in an integrated manner, the inclined surface of needle point 2 is provided with pinhole 3, and the lower end of needle core 1 is fixed The needle holder 4 is connected, and the outer side of the needle holder 4 is provided with anti-skid thread 5, and the upper side of the outer ring of the needle holder 4 is fixedly connected with the connection block 6, and the upper end of the connection block 6 is provided with a card slot 7, and the outside of the needle core 1 fits Connected with a needle sheath 8, the outer side of the needle sheath 8 is fixedly provided with a scale 11, the lower end of the needle sheath 8 is fixedly connected with a connecting seat 9, the lower end of the connecting seat 9 is fitted and connected with the upper end of the needle seat 4, and the lower end of the connecting seat 9 A clamping block 10 is fixedly installed, and the clamping block 10 is engaged in the clamping slot 7 .
进一步的，针尖2完全裸露在针鞘8的外部，针尖2设计为楔形，楔形的针尖2有利于刺透皮肤，且针鞘8的内壁与针芯1的外壁无缝贴合连接，针芯1进入皮肤之后，把针鞘8一同带入到皮肤内。Further, the needle point 2 is completely exposed on the outside of the needle sheath 8, the needle point 2 is designed to be wedge-shaped, the wedge-shaped needle point 2 is conducive to piercing the skin, and the inner wall of the needle sheath 8 is seamlessly connected to the outer wall of the needle core 1, and the needle core 1 After entering the skin, the needle sheath 8 is brought into the skin together.
进一步的，针座4设计为圆柱体结构，接针座4的外侧等间距纵向开设有防滑螺纹5，提高针座4与手之间的摩擦力，防止滑脱。Furthermore, the needle holder 4 is designed as a cylindrical structure, and the outside of the needle holder 4 is longitudinally provided with anti-slip threads 5 at equal intervals to increase the friction between the needle holder 4 and the hand and prevent slippage.
进一步的，卡块10的上半部分设计为圆柱体结构，下半部分设计为半圆体结构，且卡块10下半部分的直径大于上半部分的直径，并且卡块10等间距设置有四个位于连接座9的下端，便于卡块10卡合连接到卡槽7内，使针鞘8与针座4固定连接，拉动针座4即可使卡块10从卡槽7内脱离。Further, the upper half of the clamping block 10 is designed as a cylindrical structure, the lower half is designed as a semicircular structure, and the diameter of the lower half of the clamping block 10 is greater than the diameter of the upper half, and the clamping block 10 is equidistantly arranged with four One is located at the lower end of the connecting seat 9, which is convenient for the clamp block 10 to be engaged and connected to the draw-in groove 7, so that the needle sheath 8 is fixedly connected with the needle base 4, and the clamp block 10 can be disengaged from the draw-in groove 7 by pulling the needle base 4.
进一步的，连接块6为医用硅胶材质制作，且连接块6内部卡槽7的形状与卡块10的形状相同，并且连接块6与卡槽7一一对应，通过四个连接块6与卡槽7，对针鞘8稳定固定。Further, the connecting block 6 is made of medical silica gel material, and the shape of the card slot 7 inside the connecting block 6 is the same as that of the card block 10, and the connecting block 6 corresponds to the card slot 7 one by one, and the four connecting blocks 6 and the card The groove 7 is stably fixed to the needle sheath 8.
进一步的，刻度尺11的长度小于针鞘8的长度，且针鞘8的表面与刻度尺11位于同一平面，通过刻度尺11能够观察到针芯1刺入的深度，同时针鞘8表面光洁，降低患者的痛苦。Further, the length of the scale 11 is less than the length of the needle sheath 8, and the surface of the needle sheath 8 is on the same plane as the scale 11, and the penetration depth of the needle core 1 can be observed through the scale 11, while the surface of the needle sheath 8 is smooth , to reduce the suffering of patients.
工作原理：首先将针芯1穿插到针鞘8内部，使针鞘8底端的卡块10卡合连接到卡槽7内，从而针鞘8与针座4固定连接，同时针尖2完全裸露在针鞘8的外部，针尖2设计为楔形，楔形的针尖2有利于刺透皮肤，针孔3完全贯穿在针尖2的内部，降低针尖2的重量，同时通过针尖2上的针孔3能够减少针尖2斜面与皮肤的接触面积，降低阻力，减缓患者的痛苦，且针鞘8的内壁与针芯1的外壁无缝贴合连接，然后医护人员手捏针座4，将针芯1刺入到会阴皮肤及皮下，针座4设计为圆柱体结构，接针座4的外侧等间距纵向开设有防滑螺纹5，提高针座4与手之间的摩擦力，防止滑脱，针芯1进入皮肤之后，把针鞘8一同带入到皮肤内，通过刻度尺11能够观察针芯1刺入的深度，同时针鞘8表面光洁，降低患者的痛苦，其中卡块10的上半部分设计为圆柱体结构，下半部分设计为半圆体结构，且卡块10下半部分的直径大于上半部分的直径，拉动针座4即可使卡块10从卡槽7内脱离，卡块10从卡槽7内脱离之后，向上提拉针座4，使针芯1从针鞘8内部脱离，然后再将自动活检枪通过针鞘8插入到皮肤内，降低对皮肤的穿刺次数，减轻对会阴皮肤的损伤，降低血肿及感染的发生率，减缓患者的疼痛。Working principle: first insert the needle core 1 into the inside of the needle sheath 8, so that the block 10 at the bottom of the needle sheath 8 is engaged and connected to the slot 7, so that the needle sheath 8 is fixedly connected with the needle holder 4, and the needle tip 2 is completely exposed on the Outside the needle sheath 8, the needle point 2 is designed to be wedge-shaped. The wedge-shaped needle point 2 is conducive to piercing the skin. The needle hole 3 completely runs through the inside of the needle point 2, reducing the weight of the needle point 2. At the same time, the needle hole 3 on the needle point 2 can reduce the The contact area between the inclined surface of the needle tip 2 and the skin reduces the resistance and eases the pain of the patient, and the inner wall of the needle sheath 8 is seamlessly connected with the outer wall of the needle core 1, and then the medical staff pinches the needle seat 4 to pierce the needle core 1 To the perineal skin and under the skin, the needle hub 4 is designed as a cylindrical structure, and the outer side of the needle hub 4 is equidistantly provided with anti-slip threads 5 to increase the friction between the needle hub 4 and the hand to prevent slipping, and the needle core 1 enters the skin After that, the needle sheath 8 is brought into the skin together, and the penetration depth of the needle core 1 can be observed through the scale 11. At the same time, the surface of the needle sheath 8 is smooth and clean, which reduces the pain of the patient. The upper part of the block 10 is designed as a cylinder Body structure, the lower half is designed as a semicircular structure, and the diameter of the lower half of the clamp block 10 is larger than the diameter of the upper part, pulling the needle holder 4 can make the clamp block 10 disengage from the clamp slot 7, and the clamp block 10 is released from the clamp After the groove 7 is disengaged, the needle holder 4 is lifted up to separate the needle core 1 from the inside of the needle sheath 8, and then the automatic biopsy gun is inserted into the skin through the needle sheath 8 to reduce the number of punctures on the skin and reduce the impact on the perineal skin. reduce the incidence of hematoma and infection, and relieve the pain of patients.
最后应当说明的是，以上内容仅用以说明本实用新型的技术方案，而非对本实用新型保护范围的限制，本领域的普通技术人员对本实用新型的技术方案进行的简单修改或者等同替换，均不脱离本实用新型技术方案的实质和范围。Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements to the technical solution of the utility model by those skilled in the art are all acceptable. Do not depart from the essence and scope of the technical solution of the utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227912A (en) * | 2019-12-30 | 2020-06-05 | 武汉大学中南医院 | A percutaneous renal puncture needle that can avoid vascular injury |
| CN112263310A (en) * | 2020-10-27 | 2021-01-26 | 暨南大学 | Minimally invasive mouth skin expanding needle in PICC puncture bag and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111227912A (en) * | 2019-12-30 | 2020-06-05 | 武汉大学中南医院 | A percutaneous renal puncture needle that can avoid vascular injury |
| CN112263310A (en) * | 2020-10-27 | 2021-01-26 | 暨南大学 | Minimally invasive mouth skin expanding needle in PICC puncture bag and use method thereof |
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