CN219763500U - Subcutaneous tunnel needle penetrating guiding device - Google Patents
Subcutaneous tunnel needle penetrating guiding device Download PDFInfo
- Publication number
- CN219763500U CN219763500U CN202321120604.0U CN202321120604U CN219763500U CN 219763500 U CN219763500 U CN 219763500U CN 202321120604 U CN202321120604 U CN 202321120604U CN 219763500 U CN219763500 U CN 219763500U
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- Prior art keywords
- guide
- skin
- needle
- subcutaneous tunnel
- piece
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- 238000007920 subcutaneous administration Methods 0.000 title claims abstract description 56
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 27
- 230000005641 tunneling Effects 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims 1
- 210000003811 finger Anatomy 0.000 description 33
- 238000000034 method Methods 0.000 description 11
- 230000035515 penetration Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000000502 dialysis Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 210000000683 abdominal cavity Anatomy 0.000 description 3
- 230000003187 abdominal effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000001647 Renal Insufficiency Diseases 0.000 description 1
- 210000003815 abdominal wall Anatomy 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 201000006370 kidney failure Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 230000036558 skin tension Effects 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a subcutaneous tunnel needle penetrating guide device which comprises a guide piece, wherein the guide piece comprises a skin attaching surface, a needle outlet surface and a guide channel, the skin attaching surface is provided with a penetrating opening of a subcutaneous tunnel needle, the needle outlet surface is provided with a penetrating opening of the subcutaneous tunnel needle, the guide channel is communicated with the penetrating opening and the penetrating opening, and the guide piece is arranged to be suitable for providing pressure in the direction of the skin attaching surface under external force. According to the subcutaneous tunnel needle penetrating guide device, the skin attaching surface is attached to the skin of a patient, the penetrating opening corresponds to the skin of the patient where the subcutaneous tunnel needle is expected to penetrate, the operator can press down the guide piece towards the skin of the patient where the subcutaneous tunnel needle is expected to penetrate, the edge of the penetrating opening presses down the skin of the patient, the tension of the skin of the patient where the subcutaneous tunnel needle is expected to penetrate is further increased, the subcutaneous tunnel needle can penetrate more laborsaving, and damage to the skin of the patient is reduced.
Description
Technical Field
The utility model relates to the technical field of subcutaneous tunnel needle auxiliary tools, in particular to a subcutaneous tunnel needle penetrating guide device.
Background
Before a clinical renal failure patient is subjected to peritoneal dialysis treatment, the peritoneal dialysis tube is firstly required to be placed in, during an operation process, the peritoneal dialysis tube is required to enter the abdominal cavity through an operation incision, the peritoneal dialysis tube is guided to penetrate out of the skin through a subcutaneous tunnel needle to establish a pipeline communicated with the inside and the outside of the abdominal cavity, different types and types of subcutaneous tunnel needles are clinically used at present, the operation mode of the subcutaneous tunnel needle in the skin penetrating process is the same, skin is broken through directly acting on subcutaneous tissue, and therefore skin penetrating is achieved, and most of improvement in clinic focuses on the type of the subcutaneous tunnel needle rather than the process that the tunnel needle penetrates out of the skin.
In the process that the existing subcutaneous tunnel needle penetrates out of the skin of a patient, the following problems exist:
because the toughness of the abdominal wall skin of a part of patients is low, the tension is poor, and the subcutaneous fat layer is thicker, the process that the subcutaneous tunnel needle penetrates out of the skin is unsmooth often occurs, an operator needs to spend great effort and even needs to use a scalpel to scratch the skin to assist the tunnel needle to penetrate out of the skin, the process adds unnecessary difficulty to the operation, and incision damage is additionally added to the patients.
To sum up, in order to reduce the difficulty of the subcutaneous tunnel needle penetrating out of the skin and to reduce the damage of the patient during the operation of the abdominal catheterization, a subcutaneous tunnel needle penetrating-out guiding device is urgently needed.
Disclosure of Invention
In order to solve the problems that the existing subcutaneous tunnel needle is laborious in the skin penetrating process and the skin of a patient is scratched to increase the surgical damage of the patient, the utility model provides a subcutaneous tunnel needle penetrating guide device.
According to an object of the present utility model, there is provided a subcutaneous tunnel needle exit guide device comprising:
the guiding piece comprises a skin attaching surface, a needle outlet surface and a guiding channel, wherein the skin attaching surface is provided with a penetrating port of the subcutaneous tunnel needle, the needle outlet surface is provided with a penetrating port of the subcutaneous tunnel needle, the guiding channel is communicated with the penetrating port and the penetrating port, and the guiding piece is provided with pressure suitable for providing the direction of the skin attaching surface under external force.
Preferably, the guide channel cross-sectional dimension gradually decreases in a manner approaching the through-outlet.
Preferably, the guide channel comprises a first guide part and a second guide part, the first guide part is connected between the skin attaching surface and the second guide part in an extending mode, the second guide part is connected between the first guide part and the needle outlet surface in an extending mode, the cross section size of the second guide part is gradually reduced from the first guide part to the needle outlet surface, and the cross section size of the first guide part in any one of the directions from the skin attaching surface to the second guide part is the same.
Preferably, the first guide portion has the same cross-sectional dimension as the maximum cross-sectional dimension in the axial direction of the second guide portion.
Preferably, the first guide portion has a circular cross-sectional shape, the second guide portion has a circular cross-sectional shape, and the axis of the first guide portion and the axis of the second guide portion overlap.
Preferably, the guide member comprises an inner wall and an outer wall, the outer wall of the guide member is formed by extending between the edge of the skin attaching surface and the edge of the needle outlet surface, the inner wall encloses a guide channel, and the shape of the inner wall is matched with that of the outer wall.
Preferably, the subcutaneous tunnel needle exit guide device further comprises:
and the two sides of the guide piece perpendicular to the axial direction are respectively provided with one pressing piece.
Preferably, the edge of the skin attaching surface and the edge of the needle outlet surface extend to form the outer wall of the guide piece, the pressing piece is connected with the outer wall of the guide piece, and the pressing piece is close to one side end surface of the skin attaching surface and is flush with the skin attaching surface.
Preferably, the subcutaneous tunnel needle exit guide device further comprises:
the finger limiting piece is connected to one side, deviating from the skin attaching surface, of the pressing piece, the finger limiting piece and the pressing piece enclose a finger placing area, and the center of the finger limiting piece is bent to be arc-shaped towards one side, deviating from the skin attaching surface.
Preferably, the subcutaneous tunnel needle exit guide device further comprises:
a flexible cleat covering the skin engaging surface.
Compared with the prior art, the utility model has the beneficial effects that:
according to the subcutaneous tunnel needle penetrating guide device, the skin attaching surface is attached to the skin of a patient, the penetrating opening corresponds to the skin of the patient where the subcutaneous tunnel needle is expected to penetrate, the operator can press down the guide piece towards the skin of the patient where the subcutaneous tunnel needle is expected to penetrate, the edge of the penetrating opening presses down the skin of the patient, the tension of the skin of the patient where the subcutaneous tunnel needle is expected to penetrate is further increased, the subcutaneous tunnel needle can penetrate more laborsaving, and damage to the skin of the patient is reduced.
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of a subcutaneous tunnel needle exit guide in accordance with the present utility model;
FIG. 2 is a schematic view of the whole subcutaneous tunnel needle exit guide device according to the present utility model;
fig. 3 is another schematic view of the entire subcutaneous tunnel needle exit guide according to the present utility model.
In the figure: 100. a guide; 101. a skin engaging surface; 1011. a penetration port; 102. a needle outlet surface; 1021. a through outlet; 103. a guide channel; 1031. a first guide portion; 1032. a second guide portion; 104. an inner wall; 105. an outer wall; 200. a pressing member; 300. finger limiting piece.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a subcutaneous tunnel needle exit guide comprising:
the guide 100, the guide 100 includes skin faying surface 101, go out needle face 102 and guide passageway 103, offer the penetrating port 1011 of the subcutaneous tunnel needle on the skin faying surface 101, go out needle face 102 and offer the penetrating port 1021 of the subcutaneous tunnel needle, guide passageway 103 communicates penetrating port 1011 and penetrating port 1021, the guide 100 is set up and is suitable for providing the pressure to skin faying surface 101 direction at external force.
By attaching the skin engaging surface 101 to the skin of the patient, wherein the penetration port 1011 corresponds to the patient's skin where the subcutaneous tunnel needle is expected to penetrate, the operator can push down the guide 100 toward the patient's skin where the subcutaneous tunnel needle is expected to penetrate, and the edge of the penetration port 1011 pushes down the patient's skin, thereby increasing the tension of the patient's skin where the subcutaneous tunnel needle is expected to penetrate, allowing the subcutaneous tunnel needle to be more forcefully penetrated, and reducing the damage to the patient's skin.
In order to reduce the range of motion of the tunneling needle when it is passed out of the skin, the risk of the tunneling needle stabbing the operator is reduced to some extent.
Further, the guide passage 103 gradually decreases in cross-sectional dimension in a manner approaching the through-outlet 1021.
By defining the cross-sectional dimension of the guide channel 103 perpendicular to the axis, the inner wall 104 of the guide channel 103 can limit the tunneling needle passing-out direction before the tunneling needle passes out of the guide 100 through the passing-out port 1021, thereby reducing the moving range and avoiding the tunneling needle from stabbing the operator.
Further, the inner wall 104 of the guide channel 103 is a smooth inner wall 104.
When the tunnel needle contacts the smooth inner wall 104 of the guide channel 103, the friction between the inner wall 104 of the guide channel 103 and the tunnel needle is small, so that the guide channel 103 is beneficial to guide the tunnel needle.
In one embodiment of the present utility model, the guiding channel 103 includes a first guiding portion 1031 and a second guiding portion 1032, the first guiding portion 1031 is connected between the skin engaging surface 101 and the second guiding portion 1032, the second guiding portion 1032 is connected between the first guiding portion 1031 and the needle emitting surface 102, the cross-sectional dimension of the second guiding portion 1032 decreases gradually from the first guiding portion 1031 to the needle emitting surface 102, and any cross-sectional dimension of the first guiding portion 1031 in the direction from the skin engaging surface 101 to the second guiding portion 1032 is the same.
By dividing the guide channel 103 into the first guide portion 1031 and the second guide portion 1032, wherein the cross-sectional dimensions of the second guide portion 1032 and the first guide portion 1031 are defined, the tunnel needle can move within a large range in the first guide portion 1031 when being withdrawn, so that the excessive rapid withdrawal speed of the tunnel needle and the contact collision of the inner wall 104 of the second guide portion 1032 can be avoided, and the operator can not stably hold the guide member 100, and an unexpected risk is generated.
In order to make the transition at the junction of the first guide portion 1031 and the second guide portion 1032 uniform, the second guide portion 1032 is further capable of guiding the tunneling needle effectively. Further, the first guide 1031 has the same cross-sectional dimension as the maximum cross-sectional dimension of the second guide 1032 in the axial direction. When the tunneling needle contacts the inner wall 104 of the first guide portion 1031 and moves toward the inner wall 104 of the second guide portion 1032, the tunneling needle can smoothly transition between the first guide portion 1031 and the second guide portion 1032, reducing the collision of the tunneling needle against the second guide portion 1032, resulting in an inability of the guide 100 to be stably seated.
Further, the first guide portion 1031 has a circular cross-sectional shape, the second guide portion 1032 has a circular cross-sectional shape, and the axis of the first guide portion 1031 and the axis of the second guide portion 1032 overlap.
The inner wall 104 of the circular first guide portion 1031 and the inner wall 104 of the circular second guide portion 1032 are capable of receiving the tunneling needle in the needle-out state in all directions, and the first guide portion 1031 and the second guide portion 1032 with the axes overlapping each other facilitate the tunneling needle to move to the penetration port 1021 through the penetration port 1011.
To avoid damage to the patient's skin by compression of the stiff guide 100.
Further, the guiding device further includes:
a flexible anti-slip member covering the skin engaging surface 101.
Preferably, the flexible anti-slip member is a flexible anti-slip member made of annular rubber.
Preferably, the guide 100 is a stainless steel guide.
To facilitate the operator to distinguish the penetration port 1011 and the penetration port 1021 of the guide 100 from the outside, the operation efficiency of the device is improved.
Further, the guide 100 includes an inner wall 104 and an outer wall 105, the outer wall 105 of the guide 100 is formed by extending between the edge of the skin contact surface 101 and the edge of the needle outlet surface 102, the inner wall 104 encloses the guide channel 103, and the shape of the inner wall 104 and the outer wall 105 are adapted.
Further, the thickness of the guide 100 is defined between the inner wall 104 and the outer wall 105, and the thickness of the guide 100 is uniform in the axial direction of the guide 100.
Through the shape looks adaptation of inner wall 104 and outer wall 105, wherein the outer wall 105 cross-section size that is close to the mouth 1021 side is less for the operator is discerned the mouth 1021, and then judges the position of skin laminating face 101, so that the operator uses the device fast, improves operating efficiency.
To facilitate the pressing of the guide 100 by the operator, an external force is applied towards the patient's skin.
Further, the guiding device further includes:
the pressing pieces 200, one pressing piece 200 is provided on each of both sides of the guide 100 perpendicular to the axial direction.
Specifically, the pressing member 200 is extended toward the outside of the guide 100.
The operator may apply a force to the guide 100 through the pressing member 200 so that the guide 100 presses the skin of the patient, thereby performing a tunneling needle guiding function of the guide 100.
Further, an outer wall 105 of the guide 100 is formed by extending between the edge of the skin engaging surface 101 and the edge of the needle-out surface 102, the pressing member 200 is connected to the outer wall 105 of the guide 100, and an end surface of the pressing member 200 near the skin engaging surface 101 is flush with the skin engaging surface 101.
By defining the mounting position between the pressing member 200 and the guide member 100, the operator can cooperate with the pressing member 200 to act on the side of the guide member 100 near the penetration port 1011 so that the edge of the penetration port 1011 presses the skin of the patient, thereby achieving a labor-saving effect.
To facilitate the limiting of the operator's finger, the operator's finger and the pressing member 200 are prevented from slipping off when the operator presses the pressing member 200 by the finger, which may cause the guide 100 to be ineffective against the skin of the patient.
Further, the guiding device further comprises a finger limiting piece 300, wherein the finger limiting piece 300 is connected to one side, away from the skin attaching surface 101, of the pressing piece 200, a finger placement area is defined by the finger limiting piece 300 and the pressing piece 200, and the center of the finger limiting piece 300 is bent to be arc-shaped towards one side, away from the skin attaching surface 101.
Through increasing finger limiter 300, the region is placed to the operator's finger can be placed in to the finger, avoids the operator's finger slippage, and the crooked arc-shaped finger limiter 300 can better laminate in the operator's finger skin, avoids the local pressure between finger limiter 300 and the operator's finger too big, causes the operator's finger uncomfortable.
Preferably, the finger placement area is a hole-shaped finger placement area.
In one embodiment of the present utility model, the finger limiting members 300 are uniformly coded, so as to be suitable for different operators to operate, and facilitate taking-off.
Preferably, the finger stopper 300 is a stainless steel finger stopper, and the pressing member 200 is a stainless steel pressing member.
The using method comprises the following steps: when the subcutaneous tunnel needle is ready to pierce the abdominal skin during the operation, the operator places the finger in the finger placement area and places the penetration port 1011 in the position where the tunnel needle is expected to pierce the skin, so that the operator increases the tension of the abdominal skin by applying pressure to the entire guide 100 through the finger, the tunnel needle can pierce the skin with less effort, and the damage to the patient skin is less.
In conclusion, the device is mainly made of stainless steel materials which are safe and can be contacted with a human body, the penetrating opening 1011 is correspondingly arranged at the predicted skin outlet of the subcutaneous tunnel needle, the pressing pieces 200 connected at the two sides of the guide piece 100 can be matched with the finger limiting pieces 300 to facilitate the thumb, the index finger and the middle finger of a user to pass through, the pressure applied to the guide piece 100 is applied, the anti-slip rubber ring is arranged at the contact part of the guide piece 100 and the skin of a patient, the anti-slip rubber ring can be conveniently fixed on the surface of the skin of the patient, the skin of the patient is extruded downwards through the whole guide piece 100 during use, the skin tension of the patient is increased, and the subcutaneous tunnel needle can conveniently pass through the skin in a more labor-saving and less damage mode.
The guiding device has the following advantages: the method has simple process and lower cost, can solve the problem that the subcutaneous tunnel needle is laborious to penetrate out of the skin when the tube is placed in the abdominal cavity clinically, and can reduce the difficulty of the operator in the operation process and the operation damage of the patient to a certain extent.
The above-described embodiments are only for illustrating the technical spirit and features of the present utility model, and it is intended to enable those skilled in the art to understand the content of the present utility model and to implement it accordingly, and the scope of the present utility model as defined by the present embodiments should not be limited only by the present embodiments, i.e. equivalent changes or modifications made in accordance with the spirit of the present utility model will still fall within the scope of the present utility model.
Claims (10)
1. A subcutaneous tunnel needle exit guide device, comprising:
guide (100), guide (100) include skin binding face (101), go out needle face (102) and guide passageway (103), skin binding face (101) are last to have seted up subcutaneous tunnel needle's penetrating opening (1011), go out needle face (102) and have seted up subcutaneous tunnel needle's wearing export (1021), guide passageway (103) intercommunication penetrating opening (1011) with wearing export (1021), guide (100) are set up and are suitable for providing the pressure to skin binding face (101) direction at external force.
2. A subcutaneous tunnel needle exit guide device in accordance with claim 1, wherein:
the guide channel (103) has a cross-sectional dimension that gradually decreases in a manner approaching the through-going opening (1021).
3. A subcutaneous tunnel needle exit guide device in accordance with claim 2, wherein:
the guide channel (103) comprises a first guide part (1031) and a second guide part (1032), the first guide part (1031) is connected between the skin attaching surface (101) and the second guide part (1032) in an extending mode, the second guide part (1032) is connected between the first guide part (1031) and the needle outlet surface (102) in an extending mode, the cross section size of the second guide part (1032) is gradually reduced from the first guide part (1031) to the needle outlet surface (102), and any cross section size of the first guide part (1031) in the direction from the skin attaching surface (101) to the second guide part (1032) is the same.
4. A subcutaneous tunnel needle exit guide device in accordance with claim 3, wherein:
the first guide portion (1031) has the same cross-sectional dimension as the largest cross-sectional dimension in the axial direction of the second guide portion (1032).
5. A subcutaneous tunnel needle exit guide device in accordance with claim 3, wherein:
the first guide portion (1031) has a circular cross-sectional shape, the second guide portion (1032) has a circular cross-sectional shape, and the axis of the first guide portion (1031) and the axis of the second guide portion (1032) overlap.
6. A subcutaneous tunnel needle exit guide device in accordance with claim 5, wherein:
the guide piece (100) comprises an inner wall (104) and an outer wall (105), the outer wall (105) of the guide piece (100) is formed by extending between the edge of the skin attaching surface (101) and the edge of the needle outlet surface (102), the inner wall (104) encloses a guide channel (103), and the shape of the inner wall (104) is matched with that of the outer wall (105).
7. The percutaneous tunneling needle exit guide of claim 6, further comprising:
and pressing pieces (200), wherein one pressing piece (200) is respectively arranged on two sides of the guide piece (100) perpendicular to the axis direction.
8. A subcutaneous tunnel needle exit guide device in accordance with claim 7, wherein:
the edge of the skin attaching surface (101) and the edge of the needle outlet surface (102) extend to form an outer wall (105) of the guide piece (100), the pressing piece (200) is connected with the outer wall (105) of the guide piece (100), and the pressing piece (200) is close to one side end surface of the skin attaching surface (101) and is flush with the skin attaching surface (101).
9. The percutaneous tunneling needle exit guide of claim 7, further comprising:
finger limiting piece (300), finger limiting piece (300) connect in press piece (200) deviate from skin fitting surface (101) one side, finger limiting piece (300) with press piece (200) enclose into a finger and place the region, wherein the bending of finger limiting piece (300) center orientation deviates from skin fitting surface (101) one side is the arc.
10. The percutaneous tunneling needle exit guide of claim 1, further comprising:
-a flexible anti-slip member covering the skin engaging surface (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120604.0U CN219763500U (en) | 2023-05-10 | 2023-05-10 | Subcutaneous tunnel needle penetrating guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120604.0U CN219763500U (en) | 2023-05-10 | 2023-05-10 | Subcutaneous tunnel needle penetrating guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219763500U true CN219763500U (en) | 2023-09-29 |
Family
ID=88111296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321120604.0U Active CN219763500U (en) | 2023-05-10 | 2023-05-10 | Subcutaneous tunnel needle penetrating guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219763500U (en) |
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2023
- 2023-05-10 CN CN202321120604.0U patent/CN219763500U/en active Active
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