技术领域technical field
本发明涉及医疗器械技术领域，具体地说，是可调节型单弯导管。The invention relates to the technical field of medical instruments, in particular to an adjustable single-curved catheter.
背景技术Background technique
随着我国人口的老龄化，血管疾病的发生率越来越高，为了诊治血管疾病，血管外科、心内科、神经外科、胸外科、介入科等微创介入手术治疗已经成为大势所趋。导管是血管介入诊断和治疗的基本工具之一，借助导丝的配合使用可以到达目标血管进行诊治。目前导管的头端形态有多种预制弯曲形态，虽然可基本满足大多数血管超选，但是在一些需要微小角度调整时，这些预弯型导管就不能提供合适的角度变换。介入手术医师在超选血管开口时，往往只需要导管头端的3～5°调整就可成功超选分支血管。本发明通过拉丝对导管的头端角度进行调控，从提高血管超选的时间和成功率。With the aging population in our country, the incidence of vascular diseases is getting higher and higher. In order to diagnose and treat vascular diseases, minimally invasive interventional surgery such as vascular surgery, cardiology, neurosurgery, thoracic surgery, and interventional surgery has become the general trend. Catheter is one of the basic tools for vascular interventional diagnosis and treatment. With the help of guide wire, it can reach the target blood vessel for diagnosis and treatment. At present, there are a variety of prefabricated bending shapes for the tip of the catheter. Although it can basically meet the superselection of most blood vessels, these pre-bent catheters cannot provide a suitable angle change when some small angle adjustments are required. Interventional surgeons often only need to adjust the tip of the catheter by 3-5° when superselecting the ostium of blood vessels to successfully superselect branch vessels. The invention regulates the angle of the head end of the catheter through wire drawing, thereby improving the time and success rate of blood vessel superselection.
中国专利文献CN203154533U公开了一种用于介入治疗头部可控弯曲导管，包括一根多腔导管、连接件、延长管和手柄，所述多腔导管头部连接有主导管软头，多腔导管的尾部通过连接件与延长管连接，延长管外设有手柄，所述手柄内活动连接有手柄滑动装置，滑动装置与延长管挤压配合，滑动装置的上下两端延伸至手柄的壳体外，所述滑动装置的上下两侧分别连接有一根牵引丝，牵引丝的另一端穿过多腔导管和主导管软头上同侧的辅腔固定连接在主导管软头的头部，所述延长管另一端延伸到手柄外，连接有接头。中国专利文献CN2699921公开了一种血管内导引导管，该血管内导引导管包括有一管路及一管头端，其中管路的管壁设计为螺旋形切割结构；管头端为软性医用材料制成。但是关于本发明的可调节型单弯导管目前还未见报道。Chinese patent document CN203154533U discloses a controllable bending catheter for interventional treatment head, including a multi-lumen catheter, connector, extension tube and handle, the head of the multi-lumen catheter is connected with a soft head of the main catheter, multi-lumen The tail of the catheter is connected to the extension tube through a connector. The extension tube is provided with a handle. The handle is movably connected with a handle sliding device. The sliding device is squeezed and fitted with the extension tube. The upper and lower ends of the sliding device extend to the outside of the handle shell. , the upper and lower sides of the sliding device are respectively connected with a pulling wire, and the other end of the pulling wire passes through the multi-lumen catheter and the auxiliary lumen on the same side of the soft head of the main catheter and is fixedly connected to the head of the soft head of the main catheter. The other end of the extension tube extends out of the handle and is connected with a joint. Chinese patent document CN2699921 discloses an intravascular guide catheter, which includes a pipeline and a tube head, wherein the tube wall of the pipeline is designed as a helical cutting structure; the tube head is a soft medical material. But there is no report about the adjustable single-curved catheter of the present invention.
发明内容Contents of the invention
本发明的目的是针对现有技术中的不足，提供一种可调节型单弯导管。The object of the present invention is to provide an adjustable single-curved catheter to address the deficiencies in the prior art.
为实现上述目的，本发明采取的技术方案是：一种可调节型单弯导管，所述的可调节型单弯导管由头段(1)、弯曲段(2)、中间段(3)、调控器(4)、拉丝一(5)、拉丝二(6)和拉丝固定孔(7)组成；头段(1)与中间段(3)成一定的夹角α，α为10°-60°；弯曲段(2)具有弹性；中间段(3)设有拉丝固定孔(7)调控器(4)由调控器外壳(41)、旋钮一(42)、连接杆一(43)、环形凹槽一(44)、拉钩一(45)、旋钮二(46)、连接杆二(47)、环形凹槽二(48)、拉钩二(49)和两个拉钩卡位(50)组成；调控器外壳(41)中间为刻度区，调控器外壳(41)的左右两段均具有外螺纹，且各具有一段螺旋形凹槽(51)，调控器外壳(41)内侧面设有两个拉钩卡位(50)，分别位于左右两段螺旋形凹槽(51)附近；调控器外壳(41)的右段设有旋钮一(42)，旋钮一(42)具有内螺纹，旋钮一(42)的内螺纹与调控器外壳(41)的外螺纹相匹配，连接杆一(43)一端连接在旋钮一(42)上，穿过调控器外壳(41)的螺旋形凹槽(51)后，于调控器外壳(41)内部形成环形凹槽一(44)，拉钩一(45)的一端与环形凹槽一(44)连接，另一端连接拉丝一(5)，拉钩一(45)位于拉钩卡位(50)处；调控器外壳(41)的左段设有旋钮二(46)，旋钮二(46)具有内螺纹，旋钮二(46)的内螺纹与调控器外壳(41)的外螺纹相匹配，连接杆二(47)一端连接在旋钮二(46)上，穿过调控器外壳(41)的螺旋形凹槽(51)后，于调控器外壳(41)内部形成环形凹槽二(48)，拉钩二(49)的一端与环形凹槽二(48)连接，另一端连接拉丝二(6)，拉钩二(49)位于拉钩卡位(50)处；拉丝一(5)的一端连接在拉钩一(45)上，另一端连接在头段(1)的内侧面；拉丝二(6)的一端连接在拉钩二(49)上，另一端连接在头段(1)的内侧面。In order to achieve the above object, the technical solution adopted by the present invention is: an adjustable single-bend catheter, the adjustable single-bend catheter is composed of a head section (1), a curved section (2), a middle section (3), and a regulation (4), wire drawing one (5), wire drawing two (6) and wire drawing fixing hole (7); the head section (1) and the middle section (3) form a certain angle α, and α is 10°-60° The bending section (2) has elasticity; the middle section (3) is provided with a wire drawing fixing hole (7) and the controller (4) is composed of a controller housing (41), a knob one (42), a connecting rod one (43), an annular concave Groove 1 (44), drag hook 1 (45), knob 2 (46), connecting rod 2 (47), annular groove 2 (48), drag hook 2 (49) and two drag hook clamping positions (50); control The center of the controller housing (41) is a scale area, the left and right sections of the controller housing (41) have external threads, and each has a section of spiral groove (51), and the inner surface of the controller housing (41) is provided with two pull hooks The card position (50) is respectively located near the left and right sections of spiral grooves (51); the right section of the regulator housing (41) is provided with a knob one (42), and the knob one (42) has internal threads, and the knob one (42 ) matches the external thread of the controller housing (41), and one end of the connecting rod one (43) is connected to the knob one (42), and passes through the spiral groove (51) of the controller housing (41) , an annular groove one (44) is formed inside the controller casing (41), one end of the drag hook one (45) is connected with the annular groove one (44), and the other end is connected with the drawing wire one (5), and the drag hook one (45) is located at The draw hook clamping position (50); the left section of the regulator housing (41) is provided with a knob two (46), and the knob two (46) has an internal thread, and the internal thread of the knob two (46) and the regulator housing (41) The external threads are matched, and one end of the connecting rod two (47) is connected to the knob two (46), and after passing through the spiral groove (51) of the regulator casing (41), an annular concave groove is formed inside the regulator casing (41). Groove two (48), one end of drag hook two (49) is connected with annular groove two (48), and the other end connects wire drawing two (6), and drag hook two (49) is positioned at drag hook card position (50); Drawing wire one (5 ) is connected on the drag hook one (45), and the other end is connected to the inner surface of the head section (1); one end of the drawing wire two (6) is connected on the drag hook two (49), and the other end is connected to the head section (1) the inner side of the
拉丝一(5)位于可调节型单弯导管曲率半径较小的一侧，拉丝二(6)位于曲率半径较大的一侧。Wire drawing one (5) is located on the side of the adjustable single-bend catheter with a smaller radius of curvature, and wire drawing two (6) is located on the side with a larger curvature radius.
环形凹槽一(44)和环形凹槽二(49)的外径略小于调控器外壳(41)的内径。The outer diameters of annular groove one (44) and annular groove two (49) are slightly smaller than the inner diameter of the controller housing (41).
所述的可调节型单弯导管(头段(1)、弯曲段(2)、中间段(3))的外径为4Fr或5Fr。The outer diameter of the adjustable single-curved catheter (the head section (1), the curved section (2), and the middle section (3)) is 4Fr or 5Fr.
本发明优点在于：The present invention has the advantage that:
本发明的可调节型单弯导管在初始状态时，头段和中间段成一定的夹角，并且夹角可调，夹角大小可视，使得本发明的可调节型单弯导管具有优良的血管通过性。In the initial state of the adjustable single-bend catheter of the present invention, the head section and the middle section form a certain angle, and the angle is adjustable, and the size of the included angle can be seen, so that the adjustable single-bend catheter of the present invention has excellent Vascular permeability.
附图说明Description of drawings
附图1是本发明的可调节型单弯导管的结构示意图。Accompanying drawing 1 is the structure diagram of the adjustable single bend catheter of the present invention.
附图2是本发明的调控器横截面示意图。Accompanying drawing 2 is the schematic cross-sectional view of the controller of the present invention.
附图3是本发明的调控器剖切俯视示意图。Accompanying drawing 3 is the schematic cut-away plan view of controller of the present invention.
具体实施方式detailed description
下面结合附图对本发明提供的具体实施方式作详细说明。The specific embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.
附图中涉及的附图标记和组成部分如下所示：The reference signs and components involved in the accompanying drawings are as follows:
1.头段1. Header
2.弯曲段2. Bending section
3.中间段3. Middle section
4.调控器4. Controller
5.拉丝一5. Drawing one
6.拉丝二6. Drawing II
7.拉丝固定孔7. Drawing fixing hole
41.调控器外壳41. Controller housing
42.旋钮一42. Knob one
43.连接杆一43. Connecting rod one
44.环形凹槽一44. Annular groove one
45.拉钩一45. Pull hook one
46.旋钮二46. Knob Two
47.连接杆二47. Connecting rod two
48.环形凹槽二48. Annular groove two
49.拉钩二49. Pull hook two
50.拉钩卡位50. Pull hook card position
51.螺旋形凹槽51. Spiral groove
实施例1可调节型单弯导管Embodiment 1 Adjustable single bend catheter
请参照附图1-3，所述的可调节型单弯导管由头段(1)、弯曲段(2)、中间段(3)、调控器(4)、拉丝一(5)、拉丝二(6)和拉丝固定孔(7)组成。头段(1)、弯曲段(2)、中间段(3)和调控器(4)依次连接。可调节型单弯导管内部设有拉丝一(5)和拉丝二(6)，在中间段(3)设有拉丝固定孔(7)，拉丝一(5)和拉丝二(6)穿过拉丝固定孔(7)。头段(1)和中间段(3)可以是普通的医学材料，弯曲段(2)还需要具备一定的弹性。拉丝一(5)位于可调节型单弯导管曲率半径较小的一侧，拉丝二(6)位于曲率半径较大的一侧。Please refer to accompanying drawing 1-3, described adjustable type single-curved catheter is made of head section (1), curved section (2), middle section (3), regulator (4), wire drawing one (5), wire drawing two ( 6) and wire drawing fixing hole (7). The head section (1), the bending section (2), the middle section (3) and the regulator (4) are connected in sequence. The adjustable single-bend catheter is equipped with wire drawing one (5) and wire drawing two (6) inside, and a wire drawing fixing hole (7) is provided in the middle section (3), and wire drawing one (5) and wire drawing two (6) pass through the wire drawing Fixing holes (7). The head section (1) and the middle section (3) can be common medical materials, and the curved section (2) also needs to have certain elasticity. Wire drawing one (5) is located on the side of the adjustable single-bend catheter with a smaller radius of curvature, and wire drawing two (6) is located on the side with a larger curvature radius.
初始状态时，头段(1)与中间段(3)成一定的夹角α。α的大小根据需要可以设定为10°-60°。In the initial state, the head section (1) and the middle section (3) form a certain angle α. The size of α can be set to 10°-60° as required.
调控器(4)由调控器外壳(41)、旋钮一(42)、连接杆一(43)、环形凹槽一(44)、拉钩一(45)、旋钮二(46)、连接杆二(47)、环形凹槽二(48)、拉钩二(49)和两个拉钩卡位(50)组成。Regulator (4) is made of regulator housing (41), knob one (42), connecting rod one (43), annular groove one (44), drag hook one (45), knob two (46), connecting rod two ( 47), annular groove two (48), drag hook two (49) and two drag hook clamping positions (50).
调控器外壳(41)中间为刻度区，调控器外壳(41)的左右两段均具有外螺纹，且各具有一段螺旋形凹槽(51)，调控器外壳(41)内侧面设有两个拉钩卡位(50)，分别位于左右两段螺旋形凹槽(51)附近。The center of the controller housing (41) is a scale area, the left and right sections of the controller housing (41) have external threads, and each has a spiral groove (51), and the inner surface of the controller housing (41) is provided with two The drag hook clamping positions (50) are respectively located near the left and right spiral grooves (51).
调控器外壳(41)的右段设有旋钮一(42)，旋钮一(42)具有内螺纹，旋钮一(42)的内螺纹与调控器外壳(41)的外螺纹相匹配，连接杆一(43)一端连接在旋钮一(42)上，穿过调控器外壳(41)的螺旋形凹槽(51)后，于调控器外壳(41)内部形成略小于调控器外壳(41)内径的环形凹槽一(44)，拉钩一(45)的一端与环形凹槽一(44)连接，另一端连接拉丝一(5)，拉钩一(45)位于拉钩卡位(50)处。The right section of the controller housing (41) is provided with a knob one (42), and the knob one (42) has an internal thread, and the internal thread of the knob one (42) matches the external thread of the controller housing (41), and the connecting rod one One end of (43) is connected to knob one (42), and after passing through the spiral groove (51) of the regulator casing (41), a hole slightly smaller than the inner diameter of the regulator casing (41) is formed inside the regulator casing (41). Annular groove one (44), one end of drag hook one (45) is connected with annular groove one (44), and the other end connects drawing wire one (5), and drag hook one (45) is positioned at drag hook card position (50).
和调控器外壳(41)右段类似的，调控器外壳(41)的左段设有旋钮二(46)，旋钮二(46)具有内螺纹，旋钮二(46)的内螺纹与调控器外壳(41)的外螺纹相匹配，连接杆二(47)一端连接在旋钮二(46)上，穿过调控器外壳(41)的螺旋形凹槽(51)后，于调控器外壳(41)内部形成略小于调控器外壳(41)内径的环形凹槽二(48)，拉钩二(49)的一端与环形凹槽二(48)连接，另一端连接拉丝二(6)，拉钩二(49)位于拉钩卡位(50)处。Similar to the right section of the controller housing (41), the left section of the controller housing (41) is provided with a knob two (46), and the knob two (46) has an internal thread, and the internal thread of the knob two (46) and the controller housing The external threads of (41) are matched, and one end of the connecting rod two (47) is connected on the knob two (46), and after passing through the spiral groove (51) of the controller casing (41), it is connected to the controller casing (41) An annular groove two (48) that is slightly smaller than the inner diameter of the regulator housing (41) is formed inside, one end of the drag hook two (49) is connected with the annular groove two (48), and the other end is connected with the drawing wire two (6), and the drag hook two (49) ) is located at the pull hook clamping position (50).
拉丝一(5)的一端连接在拉钩一(45)上，另一端连接在头段(1)的内侧面。拉丝二(6)的一端连接在拉钩二(49)上，另一端连接在头段(1)的内侧面。One end of the wire drawing one (5) is connected to the drag hook one (45), and the other end is connected to the inner surface of the head section (1). One end of the drawing wire two (6) is connected on the drag hook two (49), and the other end is connected on the inner surface of the head section (1).
根据手术的需要，导管(3)的外径可设置为4Fr、5Fr两种规格。According to the needs of the operation, the outer diameter of the catheter (3) can be set to two specifications of 4Fr and 5Fr.
实施例2使用方法及工作原理Embodiment 2 usage method and working principle
使用时，因为头段(1)和中间段(3)之间成夹角α，如果可以很顺利穿过血管，就不需要调整夹角α的大小。如果遇到夹角不合适的情况下，旋钮一(42)向后旋，环形凹槽一(44)将拉动拉钩一(45)，从而拉紧拉丝一(5)，头段(1)会逆时针旋转，夹角α减少；旋钮二(46)向后旋，环形凹槽二(48)将拉动拉钩二(49)，从而拉紧拉丝二(6)，头段(1)会逆时针旋转，夹角α增大。旋钮一(42)、旋钮二(46)旋转到不同的位置时对应夹角α不同，通过读取调控器外壳(41)上的刻度，可知夹角α的大小。通过旋钮一(42)、旋钮二(46)调整夹角α的大小可以顺时针、逆时针各15°。When in use, because the angle α is formed between the head section (1) and the middle section (3), if the blood vessel can pass smoothly, there is no need to adjust the size of the angle α. If the included angle is inappropriate, turn the knob one (42) back, and the annular groove one (44) will pull the drag hook one (45), thereby tightening the drawing wire one (5), and the head section (1) will Rotate counterclockwise, the included angle α decreases; the knob 2 (46) turns backward, the ring groove 2 (48) will pull the pull hook 2 (49), thereby tightening the drawing wire 2 (6), and the head section (1) will counterclockwise Rotate, the angle α increases. Knob 1 (42) and Knob 2 (46) rotate to different positions corresponding to different angles α. By reading the scale on the controller shell (41), the size of the angle α can be known. The size of the included angle α can be adjusted by the knob one (42) and the knob two (46), which can be 15° clockwise and counterclockwise respectively.
因为拉钩一(45)、拉钩二(49)处设有拉钩卡位(50)，当环形凹槽一(44)、环形凹槽二(49)旋转时，拉钩一(45)、拉钩二(49)并不会跟随着旋转，而仅仅左右移动。Because drag hook one (45), drag hook two (49) places are provided with drag hook clamping position (50), when annular groove one (44), annular groove two (49) rotate, drag hook one (45), drag hook two ( 49) does not follow the rotation, but only moves left and right.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明方法的前提下，还可以做出若干改进和补充，这些改进和补充也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, without departing from the method of the present invention, some improvements and supplements can also be made, and these improvements and supplements should also be considered Be the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187563.5ACN105617509A (en) | 2016-03-29 | 2016-03-29 | Adjustable single bent conduit |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187563.5ACN105617509A (en) | 2016-03-29 | 2016-03-29 | Adjustable single bent conduit |
| Publication Number | Publication Date |
|---|---|
| CN105617509Atrue CN105617509A (en) | 2016-06-01 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187563.5APendingCN105617509A (en) | 2016-03-29 | 2016-03-29 | Adjustable single bent conduit |
| Country | Link |
|---|---|
| CN (1) | CN105617509A (en) |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20160601 | |
| RJ01 | Rejection of invention patent application after publication |