CN215937596U

CN215937596U - Puncture needle positioning and marking device and puncture navigation equipment

Info

Publication number: CN215937596U
Application number: CN202122309914.4U
Authority: CN
Inventors: 兰璐; 夏炎; 祁敏; 葛晓兰
Original assignee: Weipeng Suzhou Medical Devices Co ltd
Current assignee: Weipeng Suzhou Medical Devices Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-04
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to a puncture needle positioning and marking device and a puncture navigation device, which comprise a bracket and a fastener, wherein the bracket is provided with a limiting hole for penetrating a puncture needle, the limiting hole is communicated with two opposite ends of the bracket, and the fastener is detachably arranged on the bracket; the bracket is also provided with a fastening hole communicated with the hole wall of the limiting hole, and one end of the fastening piece penetrates through the fastening hole and can extend into the limiting hole so as to change the inner diameter of the limiting hole. When the model of pjncture needle changes, can take out the pjncture needle of original model, install the pjncture needle of new model again for the pjncture needle of different models can install and be fixed in same support under the same external diameter specification, thereby makes the pjncture needle positioning mark device adaptation pjncture needle of different models, can promote pjncture needle mark and operation navigation's universality, makes it can cooperate with the pjncture needle of more models.

Description

Puncture needle positioning and marking device and puncture navigation equipment

Technical Field

The utility model relates to the field of medical instruments, in particular to a puncture needle positioning and marking device and puncture navigation equipment.

Background

With the development of precise medical technology, minimally invasive surgery has become a common method for surgical examination and operation. In minimally invasive surgery, puncture needles, biopsy needles, suction needles and the like are generally adopted to enter the body from the outside of the body, and the most common puncture process at present is B-ultrasonic guided puncture. In recent years, many surgical navigation devices for B-ultrasonic guided puncture have appeared for indicating positioning information such as a puncture needle direction, a needle tip position, and the like. In the device, a positioning accessory or a clamp is additionally arranged on the B-ultrasonic probe and the puncture needle for acquiring the real-time position and the real-time posture. In the application process, the puncture needle and the positioning mark arranged on the puncture needle are generally required to be fixed in matching relationship and tightly connected to form rigid body connection, so that no movement exists between the positioning clamp and the puncture needle in the puncture process, and the calculation accuracy of the puncture needle direction and the puncture needle tip position is further ensured.

The shapes and the sizes of a plurality of puncture needle models which are circulated in the market at present are different, and only the outer diameter of the needle body is in a standard specification, so that the design and the installation of the puncture needle positioning and marking device are difficult, and the application and the popularization of accurate surgical navigation are not facilitated. Therefore, a universal puncture needle positioning and marking device is needed for adapting to puncture needles of different models, so that the universality of a puncture needle marker and an operation navigation system is improved, the puncture needle positioning and marking device can be matched with puncture needles of more models, high-precision navigation is provided for puncture needle intervention operation under multiple ultrasound guidance, the accuracy and efficiency of an operation are improved, and the popularization of precise medical treatment is promoted.

SUMMERY OF THE UTILITY MODEL

Therefore, the puncture needle positioning and marking device which can be adapted to puncture needles of various models is necessary to solve the problem that the existing puncture needles are different in model and specification and cannot be adapted to the puncture needle positioning and marking device of the same puncture needle.

According to one aspect of the present application, there is provided a puncture needle positioning and marking device comprising:

a bracket having a limiting hole for penetrating the puncture needle, the limiting hole communicating with opposite ends of the bracket, an

At least one fastener removably mounted to the bracket;

the bracket is provided with a fastening hole communicated with the hole wall of the limiting hole, and one end of the fastening piece penetrates through the fastening hole and extends into the limiting hole to abut against the puncture needle.

In one embodiment, at least two fastening holes are arranged at intervals along the axial direction of the limiting hole, and each fastening piece is inserted into one fastening hole.

In one embodiment, the fastening hole extends in a radial direction of the position limiting hole to communicate with the position limiting hole.

In one embodiment, the limiting holes comprise a first limiting hole and a second limiting hole which are communicated with each other, the inner diameter of the first limiting hole is larger than that of the second limiting hole, the bracket is provided with a first fastening hole and a second fastening hole, the first fastening hole is communicated with the first limiting hole, and the second fastening hole is communicated with the second limiting hole.

In one embodiment, the puncture needle positioning and marking device further comprises at least one optical marking point, and the optical marking point is detachably arranged on the bracket and used for positioning the puncture needle.

In one embodiment, the bracket comprises a body and a supporting column, one end of the supporting column is fixedly arranged on the body, and the other end of the supporting column is provided with the optical mark point.

In one embodiment, the optical mark point has a mounting hole, one end of the support column away from the body has a mounting position, the outer diameter of the mounting position is smaller than the outer diameter of the support column, and the mounting hole is sleeved on the mounting position so that the optical mark point is fixedly arranged at one end of the support column away from the body.

In one embodiment, the support comprises a body and a grab handle, the grab handle is fixedly connected to the body, and the length direction of the grab handle is perpendicular to the axial direction of the limiting hole.

According to another aspect of the application, a puncture navigation device is provided, which comprises a puncture needle and the puncture needle positioning and marking device.

In one embodiment, the puncture needle comprises a puncture part and a reinforcing sleeve, the reinforcing sleeve is sleeved outside the puncture part, the reinforcing sleeve is partially accommodated in the limiting hole, and the fastening piece abuts against the outer peripheral surface of the reinforcing sleeve and/or the outer peripheral surface of the puncture part.

Above-mentioned pjncture needle location mark device and puncture navigation head, through set up support and fastener in pjncture needle location mark device, and set up the spacing hole that is used for wearing to establish the pjncture needle on the support, set up the fastening hole simultaneously on the support, insert the one end of fastener in the fastening hole and stretch into spacing downthehole internal diameter size with the change spacing hole, insert in spacing hole and expose when the support when the one end of pjncture needle, make the fastener can support and hold the pjncture needle, and then make pjncture needle can detachably fixed mounting in the support. When the model of pjncture needle changes, can take out the pjncture needle of original model, install the pjncture needle of new model again, make the pjncture needle of different models under the same external diameter specification can install and be fixed in same support, thereby make the pjncture needle of the different models of but above-mentioned pjncture needle positioning mark device adaptation, can promote pjncture needle mark and puncture navigation equipment's universality, make it can cooperate with the pjncture needle of more models, provide high accuracy navigation for the pjncture needle intervention operation under the multiple supersound guide in puncture operation navigation equipment, thereby improve the degree of accuracy and the efficiency of operation, promote the popularization of accurate medical treatment.

Drawings

Fig. 1 is a schematic perspective view of a puncture needle positioning and marking device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the needle location marker assembly of an embodiment of the present invention;

FIG. 3 is an exploded view of a needle location marker assembly in accordance with another embodiment of the present invention;

FIG. 4 is a left side view of a needle location marker assembly in accordance with another embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

fig. 6 is an enlarged view of the region B in fig. 5.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The structure of the puncture needle positioning and marking device 10 in the present application will be described below by taking the puncture needle positioning and marking device 10 in a puncture navigation device as an example, the puncture needle positioning and marking device 10 in an embodiment of the present invention is used to install and fix puncture needles 20 of different models, so that the puncture needles 20 of different models can be detachably installed in the same puncture needle positioning and marking device 10 and can be replaced, thereby performing a more accurate puncture navigation operation under the guidance of B-ultrasound provided by a surgical navigation system.

The present embodiment is described as an example, and the technical scope of the present application is not limited thereto. It is understood that the configuration of the needle location marker 10 may be used with other location markers in other embodiments, and is not limited thereto.

The puncture needle positioning and marking device 10 shown in fig. 1 and 2 comprises a bracket 100, a fastener 300 and an optical marking point 500, wherein the bracket 100 is used for installing the puncture needle 20, the fastener 300 is detachably arranged on the bracket 100 and is used for fixing the puncture needle 20, and the optical marking point 500 is detachably arranged on the bracket 100 and is used for positioning the puncture needle 20.

In some embodiments, as shown in fig. 5, the bracket 100 includes a body 110, the body 110 is substantially in a "C" shape and includes a first supporting portion 111, a second supporting portion 112 and a third supporting portion 113, the first supporting portion 111 and the second supporting portion 112 are spaced apart from each other along a first direction, the first supporting portion 111 and the second supporting portion 112 both extend lengthwise along a second direction perpendicular to the first direction, and the third supporting portion 113 is connected between the first supporting portion 111 and the second supporting portion 112 and extends lengthwise along the first direction. In a preferred embodiment, the first supporting portion 111, the second supporting portion 112 and the third supporting portion 113 are integrally formed. In the figure, the X direction is the first direction, and the Y direction is the second direction.

The first supporting portion 111 has a limiting hole 114, the limiting hole 114 is a through hole communicating with two ends of the body 110 along the second direction, one end of the puncture needle 20 can pass through the limiting hole 114 along the first direction and be partially accommodated in the limiting hole 114, and two opposite ends of the puncture needle 20 along the first direction are respectively exposed at two sides of the first supporting portion 111.

Further, the first supporting portion 111 further has a fastening hole 115 communicating with a hole wall of the limiting hole 114. In a preferred embodiment, the fastening holes 115 include two fastening holes, i.e., a first fastening hole 1151 and a second fastening hole 1152, the first fastening hole 1151 and the second fastening hole 1152 are spaced apart from each other along a length direction of the position limiting hole 114, and the first fastening hole 1151 and the second fastening hole 1152 extend along a radial direction of the position limiting hole 114 to communicate with the position limiting hole 114. Accordingly, the fastening member 300 has two fastening members, i.e., a first fastening member 310 and a second fastening member 320, and one end of each of the first fastening member 310 and the second fastening member 320 passes through the first fastening hole 1151 and the second fastening hole 1152 and extends into the stopper hole 114 to abut against the puncture needle 20, so that the puncture needle 20 is fixed in the stopper hole 114.

In some embodiments, the shape of the opening of the fastening hole 115 is a through hole or a threaded hole, the embodiment of the fastening hole 115 can be selected from the solutions commonly used in the fields of copper nuts, threaded sleeves, tapping, and the like, and the fastening member 300 can be a screw matched with the threaded hole or a non-threaded bolt matched with the through hole, but the number and the shape of the opening of the fastening hole 115 and the fastening member 300 of the present invention are not limited thereto.

In this way, when the puncture needle 20 is installed in the limiting hole 114, a part of the puncture needle 20 is accommodated in the limiting hole 114, one ends of the first fastening member 310 and the second fastening member 320 are respectively inserted into the first fastening hole 1151 and the second fastening hole 1152, and different portions of the puncture needle 20 accommodated in the limiting hole 114 along the axial direction are abutted by one end of the fastening member 300, so that the puncture needle 20 can be fixedly installed on the bracket 100.

In one embodiment, as shown in fig. 2, the puncture needle 20 has a puncture portion 201 and a holding portion 202, the puncture portion 201 is connected with the holding portion 202, one end of the puncture portion 201 is connected with one end of the holding portion 202, the puncture portion 201 has a cylindrical needle structure, and the outer diameter of the holding portion 202 is much larger than that of the puncture portion 201, so that a step is formed at the connection position of the holding portion 202 and the puncture portion 201.

In another embodiment, as shown in fig. 3 to 5, the puncture needle 20 further includes a reinforcing sleeve 210, the inner diameter of the reinforcing sleeve 210 is slightly larger than the outer diameter of the puncture part 201 but smaller than the outer diameter of the grip part 202, and the length of the reinforcing sleeve 210 is smaller than the length of the puncture part 201, unlike the previous embodiment. One end of the puncturing part 201 passes through the reinforcing sleeve 210, and the opposite ends of the puncturing part 201 are exposed out of the reinforcing sleeve 210, so that the reinforcing sleeve 210 is sleeved on a partial area of the puncturing part 201. The reinforcing sleeve 210 is used for reinforcing the hardness of the puncture needle 20 during the puncture process, so that the accuracy of the position judgment of the puncture needle 20 by a surgical navigation system is ensured.

The puncture needle 20 may be one of hard puncture needles such as an interventional puncture needle, a biopsy puncture needle, and a drainage puncture needle.

In order to match the shape of the puncture needle 20, as shown in fig. 5 and 6, the stopper hole 114 includes a first stopper hole 1141 and a second stopper hole 1142 communicating with each other. The first limiting hole 1141 and the second limiting hole 1142 are coaxially arranged, the inner diameter of the first limiting hole 1141 is larger than that of the second limiting hole 1142, a step is formed at the joint of the first limiting hole 1141 and the second limiting hole 1142, the first fastening hole 1151 is communicated with the first limiting hole 1141, and the second fastening hole 1152 is communicated with the second limiting hole 1142.

When the puncture needle 20 passes through the limiting hole 114 and is mounted on the bracket 100, the reinforcing sleeve 210 is partially accommodated in the limiting hole 114, one end of the reinforcing sleeve 210 abuts against the step at the end of the first limiting hole 1141 close to the second limiting hole 1142, and the step formed at the end of the holding portion 202 of the puncture needle 20 close to the puncture portion 201 abuts against one end of the bracket 100. One end of the first fastening member 310 passes through the first fastening hole 1151 and abuts against the outer circumferential surface of the reinforcing pipe, and one end of the second fastening member 320 passes through the second fastening hole 1152 and abuts against the outer circumferential surface of the piercing part 201.

Thus, the puncture needle 20 is tightly connected with the bracket 100, when the puncture needle 20 needs to be replaced, the first fastening piece 310 and the second fastening piece 320 are sequentially loosened, the puncture needle 20 is taken out, one end of the other puncture needle 20 penetrates into the limiting hole 114, one end of the puncture needle 20 extends out of the limiting hole 114, the other end of the puncture needle abuts against one end of the bracket 100, and then the first fastening piece 310 and the second fastening piece 320 are sequentially screwed.

Referring to fig. 1, in some embodiments, the bracket 100 includes four support pillars 120, and preferably, four support pillars 120 are used for mounting the optical mark points 500, and one end of each support pillar 120 is connected to the second supporting portion 112 of the bracket 100, and the other end has a mounting position 121. The axes of three support columns 120 of the four support columns 120 are located on the same plane, the distance between the plane and the axis of the limiting hole 114 is 10mm to 100mm, and the axis of the other support column 120 is perpendicular to the plane. The axes of the three support columns 120 are located in the same plane, wherein the axes of two support columns 120 are perpendicular to the axis of the position-limiting hole 114 and are symmetrically arranged with the axis of the other support column 120 as a symmetry axis, and the axis of the other support column 120 is parallel to the axis of the position-limiting hole 114.

In some embodiments, as shown in fig. 2 and 3, the optical mark points 500 are correspondingly four, the distance between any two optical mark points 500 is 10mm to 100mm, and each optical mark point 500 has a mounting hole 501 mounted on the mounting position 121 of the support column 120.

The mounting hole 501 of the optical mark point 500 may be a threaded hole or a straight hole, and correspondingly, the mounting position 121 of the supporting column 120 may be threaded or unthreaded, as long as the optical mark point 500 can be mounted on the mounting position 121 of the supporting column 120. The number of the supporting posts 120 and the optical mark points 500 is not limited thereto.

In some embodiments, the optical marker dots 500 may be optically reflective beads with a special coating, light emitting diodes, or graphic markers with a special pattern. The surface of the optical reflection small ball can strongly reflect infrared light, so that the infrared light is detected by the surgical navigation system and the positioning of the optical mark point 500 is obtained; the light with special wavelength emitted to the space by the light emitting diode can also be detected by the surgical navigation system and the positioning of the optical mark point 500 is obtained; the special pattern can be detected by a surgical navigation system with visible light detection capability and the positioning of the optical marker points 500 obtained.

In some embodiments, as shown in fig. 1, 2 and 3, the rack 100 further includes two grips 130 for an operator to hold for performing a puncture operation, one end of each grip 130 is connected to one end of the first support 111 and the third support 113 of the rack 100, the grips 130 are integrally formed with or detachably connected to the rack 100, the two grips 130 are symmetrically disposed about the axis of the position-limiting hole 114, the axis of the grip 130 is coplanar with and perpendicular to the axis of the position-limiting hole 114, and the length of the grip 130 is preferably not less than 10 mm.

In some embodiments, as shown in fig. 1, the body 110 of the holder 100 is further provided with an indication arrow 101 for indicating the installation direction of the puncture needle 20, and the indication arrow 101 points in the axial direction of the stopper hole 114 toward the direction in which the puncture portion 201 of the puncture needle 20 enters the stopper hole 114, so that the operator can correctly install the puncture needle 20 in the holder 100.

The puncture needle positioning and marking device 10 has the following specific installation steps and operation flow:

in the first step, four optical mark points 500 are fixedly mounted on the mounting positions 121 of the support posts 120 in the bracket 100, and the positions and angles of the optical mark points 500 on the bracket 100 are fixed.

Secondly, the puncture part 201 of the puncture needle 20 passes through the limit hole 114, so that one end of the puncture part 201 extends out of one end of the limit hole 114 until one end of the holding part 202 of the puncture needle 20 abuts against the other end of the limit hole 114, and the puncture needle 20 is fixed at a specified position and angle.

Alternatively, in this step, when the puncture needle 20 includes the reinforcing sleeve 210, the reinforcing sleeve 210 may be inserted into the first position-limiting hole 1141 from the end of the bracket 100 close to the first position-limiting hole 1141 until the end of the reinforcing sleeve 210 abuts against the step of the first position-limiting hole 1141 and the second position-limiting hole 1142, at this time, a part of the reinforcing sleeve 210 is accommodated in the first position-limiting hole 1141, and then the puncture part 201 of the puncture needle 20 sequentially passes through the second position-limiting hole 1142 and the first position-limiting hole 1141 from the end of the bracket 100 close to the second position-limiting hole 1142, so that the end of the puncture part 201 extends out of the one end of the position-limiting hole 114 until the end of the grip part 202 of the puncture needle 20 abuts against the other end of the position-limiting hole 114, and the puncture needle 20 is fixed at the designated position and angle, at this time, the reinforcing sleeve 210 is sleeved on the partial region of the puncture part 201 of the puncture needle 20.

Thirdly, one ends of the first fastening member 310 and the second fastening member 320 are sequentially and respectively inserted into the fastening holes 115, so that the first fastening member 310 and the second fastening member 320 respectively abut against different parts of the puncture needle 20 in the axial direction, and the puncture needle 20 is fixed to the bracket 100 by the first fastening member 310 and the second fastening member 320.

Optionally, in this step, when the puncture needle 20 includes the reinforcing sleeve 210, the first fastening member 310 abuts against the outer peripheral surface of the reinforcing sleeve 210, and the second fastening member 320 abuts against the outer peripheral surface of the puncture portion 201.

After the puncture positioning marking device is installed, the support 100 and the optical marking points 500 can be regarded as rigid bodies together, when the puncture needle 20 is used for puncture surgery, because the optical marking points 500 are fixedly installed on the support 100, the relative position relation between the optical marking points 500 and the puncture needle 20 is known and fixed, the optical marking points 500 can be captured and positioned by puncture navigation equipment, so that the positioning information of the puncture needle 20 can be obtained, and then the positioning of an ultrasonic probe is combined, so that high-precision navigation is provided for the puncture interventional surgery guided by ultrasonic, the accuracy and the efficiency of the surgery can be improved, the surgery difficulty is reduced, and the surgery time is shortened.

The puncture needle positioning and marking device 10 is mainly applied to a puncture needle 20 in puncture operation navigation, can be matched with an operation navigation system to provide navigation for minimally invasive surgery under the guidance of ultrasound, when the model of the puncture needle 20 is changed, the puncture needle 20 of the original model can be taken out, and then a new puncture needle 20 is installed, so that puncture needles 20 of different models under the same external diameter specification can be installed and fixed in the same bracket 100, and the puncture needle positioning and marking device 10 can be matched with puncture needles 20 of different models, the universality of puncture needle marking and puncture navigation equipment can be improved, and the puncture needle positioning and marking device can be matched with puncture needles 20 of more models.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A puncture needle positioning and marking device, comprising:

the bracket is provided with a limiting hole for penetrating the puncture needle, and the limiting hole is communicated with two opposite ends of the bracket; and

at least one fastener removably mounted to the bracket;

2. The puncture needle positioning and marking device according to claim 1, wherein at least two fastening holes are arranged at intervals along an axial direction of the limiting hole, and each fastening member is inserted into one fastening hole.

3. The puncture needle positioning mark device according to claim 1, wherein the fastening hole extends in a radial direction of the stopper hole to communicate with the stopper hole.

4. The puncture needle positioning and marking device according to claim 1, wherein the position-limiting holes include a first position-limiting hole and a second position-limiting hole which are communicated with each other, an inner diameter of the first position-limiting hole is larger than an inner diameter of the second position-limiting hole, the holder is provided with a first fastening hole and a second fastening hole, the first fastening hole is communicated with the first position-limiting hole, and the second fastening hole is communicated with the second position-limiting hole.

5. The puncture needle positioning marker device of claim 1, further comprising at least one optical marker removably mounted to the holder for positioning the puncture needle.

6. The puncture needle positioning and marking device according to claim 5, wherein the holder comprises a body and a support pillar, one end of the support pillar is fixedly arranged on the body, and the other end of the support pillar is provided with the optical mark point.

7. The puncture needle positioning and marking device according to claim 6, wherein the optical mark point has a mounting hole, the end of the support pillar away from the body has a mounting location, the outer diameter of the mounting location is smaller than the outer diameter of the support pillar, and the mounting hole is sleeved on the mounting location so that the optical mark point is fixedly arranged at the end of the support pillar away from the body.

8. The puncture needle positioning and marking device according to claim 1, wherein the holder comprises a body and a grip, the grip is fixedly connected to the body, and the length direction of the grip is perpendicular to the axial direction of the limiting hole.

9. A puncture navigation apparatus comprising a puncture needle and a puncture needle positioning and marking device according to any one of claims 1 to 8.

10. The puncture navigation device of claim 9, wherein the puncture needle includes a puncture portion and a reinforcing sleeve, the reinforcing sleeve is sleeved outside the puncture portion, the reinforcing sleeve is partially received in the limiting hole, and the fastening member abuts against an outer peripheral surface of the reinforcing sleeve and/or an outer peripheral surface of the puncture portion.